diff options
Diffstat (limited to 'platform/linuxbsd/x11/display_server_x11.cpp')
| -rw-r--r-- | platform/linuxbsd/x11/display_server_x11.cpp | 5196 |
1 files changed, 5196 insertions, 0 deletions
diff --git a/platform/linuxbsd/x11/display_server_x11.cpp b/platform/linuxbsd/x11/display_server_x11.cpp new file mode 100644 index 0000000000..88c6500e10 --- /dev/null +++ b/platform/linuxbsd/x11/display_server_x11.cpp @@ -0,0 +1,5196 @@ +/*************************************************************************/ +/* display_server_x11.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "display_server_x11.h" + +#ifdef X11_ENABLED + +#include "core/config/project_settings.h" +#include "core/math/math_funcs.h" +#include "core/string/print_string.h" +#include "core/string/ustring.h" +#include "detect_prime_x11.h" +#include "key_mapping_x11.h" +#include "main/main.h" +#include "scene/resources/texture.h" + +#if defined(VULKAN_ENABLED) +#include "servers/rendering/renderer_rd/renderer_compositor_rd.h" +#endif + +#if defined(GLES3_ENABLED) +#include "drivers/gles3/rasterizer_gles3.h" +#endif + +#include <dlfcn.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> + +#include <X11/Xatom.h> +#include <X11/Xutil.h> +#include <X11/extensions/Xinerama.h> +#include <X11/extensions/shape.h> + +// ICCCM +#define WM_NormalState 1L // window normal state +#define WM_IconicState 3L // window minimized +// EWMH +#define _NET_WM_STATE_REMOVE 0L // remove/unset property +#define _NET_WM_STATE_ADD 1L // add/set property + +#undef CursorShape +#include <X11/XKBlib.h> + +// 2.2 is the first release with multitouch +#define XINPUT_CLIENT_VERSION_MAJOR 2 +#define XINPUT_CLIENT_VERSION_MINOR 2 + +#define VALUATOR_ABSX 0 +#define VALUATOR_ABSY 1 +#define VALUATOR_PRESSURE 2 +#define VALUATOR_TILTX 3 +#define VALUATOR_TILTY 4 + +//#define DISPLAY_SERVER_X11_DEBUG_LOGS_ENABLED +#ifdef DISPLAY_SERVER_X11_DEBUG_LOGS_ENABLED +#define DEBUG_LOG_X11(...) printf(__VA_ARGS__) +#else +#define DEBUG_LOG_X11(...) +#endif + +static const double abs_resolution_mult = 10000.0; +static const double abs_resolution_range_mult = 10.0; + +// Hints for X11 fullscreen +struct Hints { + unsigned long flags = 0; + unsigned long functions = 0; + unsigned long decorations = 0; + long inputMode = 0; + unsigned long status = 0; +}; + +static String get_atom_name(Display *p_disp, Atom p_atom) { + char *name = XGetAtomName(p_disp, p_atom); + ERR_FAIL_NULL_V_MSG(name, String(), "Atom is invalid."); + String ret; + ret.parse_utf8(name); + XFree(name); + return ret; +} + +bool DisplayServerX11::has_feature(Feature p_feature) const { + switch (p_feature) { + case FEATURE_SUBWINDOWS: +#ifdef TOUCH_ENABLED + case FEATURE_TOUCHSCREEN: +#endif + case FEATURE_MOUSE: + case FEATURE_MOUSE_WARP: + case FEATURE_CLIPBOARD: + case FEATURE_CURSOR_SHAPE: + case FEATURE_CUSTOM_CURSOR_SHAPE: + case FEATURE_IME: + case FEATURE_WINDOW_TRANSPARENCY: + //case FEATURE_HIDPI: + case FEATURE_ICON: + //case FEATURE_NATIVE_ICON: + case FEATURE_SWAP_BUFFERS: +#ifdef DBUS_ENABLED + case FEATURE_KEEP_SCREEN_ON: +#endif + case FEATURE_CLIPBOARD_PRIMARY: + case FEATURE_TEXT_TO_SPEECH: + return true; + default: { + } + } + + return false; +} + +String DisplayServerX11::get_name() const { + return "X11"; +} + +void DisplayServerX11::_update_real_mouse_position(const WindowData &wd) { + Window root_return, child_return; + int root_x, root_y, win_x, win_y; + unsigned int mask_return; + + Bool xquerypointer_result = XQueryPointer(x11_display, wd.x11_window, &root_return, &child_return, &root_x, &root_y, + &win_x, &win_y, &mask_return); + + if (xquerypointer_result) { + if (win_x > 0 && win_y > 0 && win_x <= wd.size.width && win_y <= wd.size.height) { + last_mouse_pos.x = win_x; + last_mouse_pos.y = win_y; + last_mouse_pos_valid = true; + Input::get_singleton()->set_mouse_position(last_mouse_pos); + } + } +} + +bool DisplayServerX11::_refresh_device_info() { + int event_base, error_base; + + print_verbose("XInput: Refreshing devices."); + + if (!XQueryExtension(x11_display, "XInputExtension", &xi.opcode, &event_base, &error_base)) { + print_verbose("XInput extension not available. Please upgrade your distribution."); + return false; + } + + int xi_major_query = XINPUT_CLIENT_VERSION_MAJOR; + int xi_minor_query = XINPUT_CLIENT_VERSION_MINOR; + + if (XIQueryVersion(x11_display, &xi_major_query, &xi_minor_query) != Success) { + print_verbose(vformat("XInput 2 not available (server supports %d.%d).", xi_major_query, xi_minor_query)); + xi.opcode = 0; + return false; + } + + if (xi_major_query < XINPUT_CLIENT_VERSION_MAJOR || (xi_major_query == XINPUT_CLIENT_VERSION_MAJOR && xi_minor_query < XINPUT_CLIENT_VERSION_MINOR)) { + print_verbose(vformat("XInput %d.%d not available (server supports %d.%d). Touch input unavailable.", + XINPUT_CLIENT_VERSION_MAJOR, XINPUT_CLIENT_VERSION_MINOR, xi_major_query, xi_minor_query)); + } + + xi.absolute_devices.clear(); + xi.touch_devices.clear(); + xi.pen_inverted_devices.clear(); + + int dev_count; + XIDeviceInfo *info = XIQueryDevice(x11_display, XIAllDevices, &dev_count); + + for (int i = 0; i < dev_count; i++) { + XIDeviceInfo *dev = &info[i]; + if (!dev->enabled) { + continue; + } + if (!(dev->use == XISlavePointer || dev->use == XIFloatingSlave)) { + continue; + } + + bool direct_touch = false; + bool absolute_mode = false; + int resolution_x = 0; + int resolution_y = 0; + double abs_x_min = 0; + double abs_x_max = 0; + double abs_y_min = 0; + double abs_y_max = 0; + double pressure_min = 0; + double pressure_max = 0; + double tilt_x_min = 0; + double tilt_x_max = 0; + double tilt_y_min = 0; + double tilt_y_max = 0; + for (int j = 0; j < dev->num_classes; j++) { +#ifdef TOUCH_ENABLED + if (dev->classes[j]->type == XITouchClass && ((XITouchClassInfo *)dev->classes[j])->mode == XIDirectTouch) { + direct_touch = true; + } +#endif + if (dev->classes[j]->type == XIValuatorClass) { + XIValuatorClassInfo *class_info = (XIValuatorClassInfo *)dev->classes[j]; + + if (class_info->number == VALUATOR_ABSX && class_info->mode == XIModeAbsolute) { + resolution_x = class_info->resolution; + abs_x_min = class_info->min; + abs_x_max = class_info->max; + absolute_mode = true; + } else if (class_info->number == VALUATOR_ABSY && class_info->mode == XIModeAbsolute) { + resolution_y = class_info->resolution; + abs_y_min = class_info->min; + abs_y_max = class_info->max; + absolute_mode = true; + } else if (class_info->number == VALUATOR_PRESSURE && class_info->mode == XIModeAbsolute) { + pressure_min = class_info->min; + pressure_max = class_info->max; + } else if (class_info->number == VALUATOR_TILTX && class_info->mode == XIModeAbsolute) { + tilt_x_min = class_info->min; + tilt_x_max = class_info->max; + } else if (class_info->number == VALUATOR_TILTY && class_info->mode == XIModeAbsolute) { + tilt_y_min = class_info->min; + tilt_y_max = class_info->max; + } + } + } + if (direct_touch) { + xi.touch_devices.push_back(dev->deviceid); + print_verbose("XInput: Using touch device: " + String(dev->name)); + } + if (absolute_mode) { + // If no resolution was reported, use the min/max ranges. + if (resolution_x <= 0) { + resolution_x = (abs_x_max - abs_x_min) * abs_resolution_range_mult; + } + if (resolution_y <= 0) { + resolution_y = (abs_y_max - abs_y_min) * abs_resolution_range_mult; + } + xi.absolute_devices[dev->deviceid] = Vector2(abs_resolution_mult / resolution_x, abs_resolution_mult / resolution_y); + print_verbose("XInput: Absolute pointing device: " + String(dev->name)); + } + + xi.pressure = 0; + xi.pen_pressure_range[dev->deviceid] = Vector2(pressure_min, pressure_max); + xi.pen_tilt_x_range[dev->deviceid] = Vector2(tilt_x_min, tilt_x_max); + xi.pen_tilt_y_range[dev->deviceid] = Vector2(tilt_y_min, tilt_y_max); + xi.pen_inverted_devices[dev->deviceid] = String(dev->name).findn("eraser") > 0; + } + + XIFreeDeviceInfo(info); +#ifdef TOUCH_ENABLED + if (!xi.touch_devices.size()) { + print_verbose("XInput: No touch devices found."); + } +#endif + + return true; +} + +void DisplayServerX11::_flush_mouse_motion() { + // Block events polling while flushing motion events. + MutexLock mutex_lock(events_mutex); + + for (uint32_t event_index = 0; event_index < polled_events.size(); ++event_index) { + XEvent &event = polled_events[event_index]; + if (XGetEventData(x11_display, &event.xcookie) && event.xcookie.type == GenericEvent && event.xcookie.extension == xi.opcode) { + XIDeviceEvent *event_data = (XIDeviceEvent *)event.xcookie.data; + if (event_data->evtype == XI_RawMotion) { + XFreeEventData(x11_display, &event.xcookie); + polled_events.remove_at(event_index--); + continue; + } + XFreeEventData(x11_display, &event.xcookie); + break; + } + } + + xi.relative_motion.x = 0; + xi.relative_motion.y = 0; +} + +#ifdef SPEECHD_ENABLED + +bool DisplayServerX11::tts_is_speaking() const { + ERR_FAIL_COND_V(!tts, false); + return tts->is_speaking(); +} + +bool DisplayServerX11::tts_is_paused() const { + ERR_FAIL_COND_V(!tts, false); + return tts->is_paused(); +} + +TypedArray<Dictionary> DisplayServerX11::tts_get_voices() const { + ERR_FAIL_COND_V(!tts, TypedArray<Dictionary>()); + return tts->get_voices(); +} + +void DisplayServerX11::tts_speak(const String &p_text, const String &p_voice, int p_volume, float p_pitch, float p_rate, int p_utterance_id, bool p_interrupt) { + ERR_FAIL_COND(!tts); + tts->speak(p_text, p_voice, p_volume, p_pitch, p_rate, p_utterance_id, p_interrupt); +} + +void DisplayServerX11::tts_pause() { + ERR_FAIL_COND(!tts); + tts->pause(); +} + +void DisplayServerX11::tts_resume() { + ERR_FAIL_COND(!tts); + tts->resume(); +} + +void DisplayServerX11::tts_stop() { + ERR_FAIL_COND(!tts); + tts->stop(); +} + +#endif + +#ifdef DBUS_ENABLED + +bool DisplayServerX11::is_dark_mode_supported() const { + return portal_desktop->is_supported(); +} + +bool DisplayServerX11::is_dark_mode() const { + switch (portal_desktop->get_appearance_color_scheme()) { + case 1: + // Prefers dark theme. + return true; + case 2: + // Prefers light theme. + return false; + default: + // Preference unknown. + return false; + } +} + +#endif + +void DisplayServerX11::mouse_set_mode(MouseMode p_mode) { + _THREAD_SAFE_METHOD_ + + if (p_mode == mouse_mode) { + return; + } + + if (mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED || mouse_mode == MOUSE_MODE_CONFINED_HIDDEN) { + XUngrabPointer(x11_display, CurrentTime); + } + + // The only modes that show a cursor are VISIBLE and CONFINED + bool showCursor = (p_mode == MOUSE_MODE_VISIBLE || p_mode == MOUSE_MODE_CONFINED); + + for (const KeyValue<WindowID, WindowData> &E : windows) { + if (showCursor) { + XDefineCursor(x11_display, E.value.x11_window, cursors[current_cursor]); // show cursor + } else { + XDefineCursor(x11_display, E.value.x11_window, null_cursor); // hide cursor + } + } + mouse_mode = p_mode; + + if (mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED || mouse_mode == MOUSE_MODE_CONFINED_HIDDEN) { + //flush pending motion events + _flush_mouse_motion(); + WindowID window_id = _get_focused_window_or_popup(); + if (!windows.has(window_id)) { + window_id = MAIN_WINDOW_ID; + } + WindowData &window = windows[window_id]; + + if (XGrabPointer( + x11_display, window.x11_window, True, + ButtonPressMask | ButtonReleaseMask | PointerMotionMask, + GrabModeAsync, GrabModeAsync, window.x11_window, None, CurrentTime) != GrabSuccess) { + ERR_PRINT("NO GRAB"); + } + + if (mouse_mode == MOUSE_MODE_CAPTURED) { + center.x = window.size.width / 2; + center.y = window.size.height / 2; + + XWarpPointer(x11_display, None, window.x11_window, + 0, 0, 0, 0, (int)center.x, (int)center.y); + + Input::get_singleton()->set_mouse_position(center); + } + } else { + do_mouse_warp = false; + } + + XFlush(x11_display); +} + +DisplayServerX11::MouseMode DisplayServerX11::mouse_get_mode() const { + return mouse_mode; +} + +void DisplayServerX11::warp_mouse(const Point2i &p_position) { + _THREAD_SAFE_METHOD_ + + if (mouse_mode == MOUSE_MODE_CAPTURED) { + last_mouse_pos = p_position; + } else { + WindowID window_id = _get_focused_window_or_popup(); + if (!windows.has(window_id)) { + window_id = MAIN_WINDOW_ID; + } + + XWarpPointer(x11_display, None, windows[window_id].x11_window, + 0, 0, 0, 0, (int)p_position.x, (int)p_position.y); + } +} + +Point2i DisplayServerX11::mouse_get_position() const { + int number_of_screens = XScreenCount(x11_display); + for (int i = 0; i < number_of_screens; i++) { + Window root, child; + int root_x, root_y, win_x, win_y; + unsigned int mask; + if (XQueryPointer(x11_display, XRootWindow(x11_display, i), &root, &child, &root_x, &root_y, &win_x, &win_y, &mask)) { + XWindowAttributes root_attrs; + XGetWindowAttributes(x11_display, root, &root_attrs); + + return Vector2i(root_attrs.x + root_x, root_attrs.y + root_y); + } + } + return Vector2i(); +} + +MouseButton DisplayServerX11::mouse_get_button_state() const { + return last_button_state; +} + +void DisplayServerX11::clipboard_set(const String &p_text) { + _THREAD_SAFE_METHOD_ + + { + // The clipboard content can be accessed while polling for events. + MutexLock mutex_lock(events_mutex); + internal_clipboard = p_text; + } + + XSetSelectionOwner(x11_display, XA_PRIMARY, windows[MAIN_WINDOW_ID].x11_window, CurrentTime); + XSetSelectionOwner(x11_display, XInternAtom(x11_display, "CLIPBOARD", 0), windows[MAIN_WINDOW_ID].x11_window, CurrentTime); +} + +void DisplayServerX11::clipboard_set_primary(const String &p_text) { + _THREAD_SAFE_METHOD_ + if (!p_text.is_empty()) { + { + // The clipboard content can be accessed while polling for events. + MutexLock mutex_lock(events_mutex); + internal_clipboard_primary = p_text; + } + + XSetSelectionOwner(x11_display, XA_PRIMARY, windows[MAIN_WINDOW_ID].x11_window, CurrentTime); + XSetSelectionOwner(x11_display, XInternAtom(x11_display, "PRIMARY", 0), windows[MAIN_WINDOW_ID].x11_window, CurrentTime); + } +} + +Bool DisplayServerX11::_predicate_clipboard_selection(Display *display, XEvent *event, XPointer arg) { + if (event->type == SelectionNotify && event->xselection.requestor == *(Window *)arg) { + return True; + } else { + return False; + } +} + +Bool DisplayServerX11::_predicate_clipboard_incr(Display *display, XEvent *event, XPointer arg) { + if (event->type == PropertyNotify && event->xproperty.state == PropertyNewValue) { + return True; + } else { + return False; + } +} + +String DisplayServerX11::_clipboard_get_impl(Atom p_source, Window x11_window, Atom target) const { + String ret; + + Window selection_owner = XGetSelectionOwner(x11_display, p_source); + if (selection_owner == x11_window) { + static const char *target_type = "PRIMARY"; + if (p_source != None && get_atom_name(x11_display, p_source) == target_type) { + return internal_clipboard_primary; + } else { + return internal_clipboard; + } + } + + if (selection_owner != None) { + // Block events polling while processing selection events. + MutexLock mutex_lock(events_mutex); + + Atom selection = XA_PRIMARY; + XConvertSelection(x11_display, p_source, target, selection, + x11_window, CurrentTime); + + XFlush(x11_display); + + // Blocking wait for predicate to be True and remove the event from the queue. + XEvent event; + XIfEvent(x11_display, &event, _predicate_clipboard_selection, (XPointer)&x11_window); + + // Do not get any data, see how much data is there. + Atom type; + int format, result; + unsigned long len, bytes_left, dummy; + unsigned char *data; + XGetWindowProperty(x11_display, x11_window, + selection, // Tricky.. + 0, 0, // offset - len + 0, // Delete 0==FALSE + AnyPropertyType, // flag + &type, // return type + &format, // return format + &len, &bytes_left, // data length + &data); + + if (data) { + XFree(data); + } + + if (type == XInternAtom(x11_display, "INCR", 0)) { + // Data is going to be received incrementally. + DEBUG_LOG_X11("INCR selection started.\n"); + + LocalVector<uint8_t> incr_data; + uint32_t data_size = 0; + bool success = false; + + // Delete INCR property to notify the owner. + XDeleteProperty(x11_display, x11_window, type); + + // Process events from the queue. + bool done = false; + while (!done) { + if (!_wait_for_events()) { + // Error or timeout, abort. + break; + } + + // Non-blocking wait for next event and remove it from the queue. + XEvent ev; + while (XCheckIfEvent(x11_display, &ev, _predicate_clipboard_incr, nullptr)) { + result = XGetWindowProperty(x11_display, x11_window, + selection, // selection type + 0, LONG_MAX, // offset - len + True, // delete property to notify the owner + AnyPropertyType, // flag + &type, // return type + &format, // return format + &len, &bytes_left, // data length + &data); + + DEBUG_LOG_X11("PropertyNotify: len=%lu, format=%i\n", len, format); + + if (result == Success) { + if (data && (len > 0)) { + uint32_t prev_size = incr_data.size(); + if (prev_size == 0) { + // First property contains initial data size. + unsigned long initial_size = *(unsigned long *)data; + incr_data.resize(initial_size); + } else { + // New chunk, resize to be safe and append data. + incr_data.resize(MAX(data_size + len, prev_size)); + memcpy(incr_data.ptr() + data_size, data, len); + data_size += len; + } + } else { + // Last chunk, process finished. + done = true; + success = true; + } + } else { + printf("Failed to get selection data chunk.\n"); + done = true; + } + + if (data) { + XFree(data); + } + + if (done) { + break; + } + } + } + + if (success && (data_size > 0)) { + ret.parse_utf8((const char *)incr_data.ptr(), data_size); + } + } else if (bytes_left > 0) { + // Data is ready and can be processed all at once. + result = XGetWindowProperty(x11_display, x11_window, + selection, 0, bytes_left, 0, + AnyPropertyType, &type, &format, + &len, &dummy, &data); + + if (result == Success) { + ret.parse_utf8((const char *)data); + } else { + printf("Failed to get selection data.\n"); + } + + if (data) { + XFree(data); + } + } + } + + return ret; +} + +String DisplayServerX11::_clipboard_get(Atom p_source, Window x11_window) const { + String ret; + Atom utf8_atom = XInternAtom(x11_display, "UTF8_STRING", True); + if (utf8_atom != None) { + ret = _clipboard_get_impl(p_source, x11_window, utf8_atom); + } + if (ret.is_empty()) { + ret = _clipboard_get_impl(p_source, x11_window, XA_STRING); + } + return ret; +} + +String DisplayServerX11::clipboard_get() const { + _THREAD_SAFE_METHOD_ + + String ret; + ret = _clipboard_get(XInternAtom(x11_display, "CLIPBOARD", 0), windows[MAIN_WINDOW_ID].x11_window); + + if (ret.is_empty()) { + ret = _clipboard_get(XA_PRIMARY, windows[MAIN_WINDOW_ID].x11_window); + } + + return ret; +} + +String DisplayServerX11::clipboard_get_primary() const { + _THREAD_SAFE_METHOD_ + + String ret; + ret = _clipboard_get(XInternAtom(x11_display, "PRIMARY", 0), windows[MAIN_WINDOW_ID].x11_window); + + if (ret.is_empty()) { + ret = _clipboard_get(XA_PRIMARY, windows[MAIN_WINDOW_ID].x11_window); + } + + return ret; +} + +Bool DisplayServerX11::_predicate_clipboard_save_targets(Display *display, XEvent *event, XPointer arg) { + if (event->xany.window == *(Window *)arg) { + return (event->type == SelectionRequest) || + (event->type == SelectionNotify); + } else { + return False; + } +} + +void DisplayServerX11::_clipboard_transfer_ownership(Atom p_source, Window x11_window) const { + _THREAD_SAFE_METHOD_ + + Window selection_owner = XGetSelectionOwner(x11_display, p_source); + + if (selection_owner != x11_window) { + return; + } + + // Block events polling while processing selection events. + MutexLock mutex_lock(events_mutex); + + Atom clipboard_manager = XInternAtom(x11_display, "CLIPBOARD_MANAGER", False); + Atom save_targets = XInternAtom(x11_display, "SAVE_TARGETS", False); + XConvertSelection(x11_display, clipboard_manager, save_targets, None, + x11_window, CurrentTime); + + // Process events from the queue. + while (true) { + if (!_wait_for_events()) { + // Error or timeout, abort. + break; + } + + // Non-blocking wait for next event and remove it from the queue. + XEvent ev; + while (XCheckIfEvent(x11_display, &ev, _predicate_clipboard_save_targets, (XPointer)&x11_window)) { + switch (ev.type) { + case SelectionRequest: + _handle_selection_request_event(&(ev.xselectionrequest)); + break; + + case SelectionNotify: { + if (ev.xselection.target == save_targets) { + // Once SelectionNotify is received, we're done whether it succeeded or not. + return; + } + + break; + } + } + } + } +} + +int DisplayServerX11::get_screen_count() const { + _THREAD_SAFE_METHOD_ + int count = 0; + + // Using Xinerama Extension + int event_base, error_base; + if (XineramaQueryExtension(x11_display, &event_base, &error_base)) { + XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &count); + XFree(xsi); + } else { + count = XScreenCount(x11_display); + } + + return count; +} + +Rect2i DisplayServerX11::_screen_get_rect(int p_screen) const { + Rect2i rect(0, 0, 0, 0); + + if (p_screen == SCREEN_OF_MAIN_WINDOW) { + p_screen = window_get_current_screen(); + } + + ERR_FAIL_COND_V(p_screen < 0, rect); + + // Using Xinerama Extension. + int event_base, error_base; + if (XineramaQueryExtension(x11_display, &event_base, &error_base)) { + int count; + XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &count); + + // Check if screen is valid. + if (p_screen < count) { + rect.position.x = xsi[p_screen].x_org; + rect.position.y = xsi[p_screen].y_org; + rect.size.width = xsi[p_screen].width; + rect.size.height = xsi[p_screen].height; + } else { + ERR_PRINT("Invalid screen index: " + itos(p_screen) + "(count: " + itos(count) + ")."); + } + + if (xsi) { + XFree(xsi); + } + } else { + int count = XScreenCount(x11_display); + if (p_screen < count) { + Window root = XRootWindow(x11_display, p_screen); + XWindowAttributes xwa; + XGetWindowAttributes(x11_display, root, &xwa); + rect.position.x = xwa.x; + rect.position.y = xwa.y; + rect.size.width = xwa.width; + rect.size.height = xwa.height; + } else { + ERR_PRINT("Invalid screen index: " + itos(p_screen) + "(count: " + itos(count) + ")."); + } + } + + return rect; +} + +Point2i DisplayServerX11::screen_get_position(int p_screen) const { + _THREAD_SAFE_METHOD_ + + return _screen_get_rect(p_screen).position; +} + +Size2i DisplayServerX11::screen_get_size(int p_screen) const { + _THREAD_SAFE_METHOD_ + + return _screen_get_rect(p_screen).size; +} + +bool g_bad_window = false; +int bad_window_error_handler(Display *display, XErrorEvent *error) { + if (error->error_code == BadWindow) { + g_bad_window = true; + } else { + ERR_PRINT("Unhandled XServer error code: " + itos(error->error_code)); + } + return 0; +} + +Rect2i DisplayServerX11::screen_get_usable_rect(int p_screen) const { + _THREAD_SAFE_METHOD_ + + if (p_screen == SCREEN_OF_MAIN_WINDOW) { + p_screen = window_get_current_screen(); + } + + int screen_count = get_screen_count(); + + // Check if screen is valid. + ERR_FAIL_INDEX_V(p_screen, screen_count, Rect2i(0, 0, 0, 0)); + + bool is_multiscreen = screen_count > 1; + + // Use full monitor size as fallback. + Rect2i rect = _screen_get_rect(p_screen); + + // There's generally only one screen reported by xlib even in multi-screen setup, + // in this case it's just one virtual screen composed of all physical monitors. + int x11_screen_count = ScreenCount(x11_display); + Window x11_window = RootWindow(x11_display, p_screen < x11_screen_count ? p_screen : 0); + + Atom type; + int format = 0; + unsigned long remaining = 0; + + // Find active desktop for the root window. + unsigned int desktop_index = 0; + Atom desktop_prop = XInternAtom(x11_display, "_NET_CURRENT_DESKTOP", True); + if (desktop_prop != None) { + unsigned long desktop_len = 0; + unsigned char *desktop_data = nullptr; + if (XGetWindowProperty(x11_display, x11_window, desktop_prop, 0, LONG_MAX, False, XA_CARDINAL, &type, &format, &desktop_len, &remaining, &desktop_data) == Success) { + if ((format == 32) && (desktop_len > 0) && desktop_data) { + desktop_index = (unsigned int)desktop_data[0]; + } + if (desktop_data) { + XFree(desktop_data); + } + } + } + + bool use_simple_method = true; + + // First check for GTK work area, which is more accurate for multi-screen setup. + if (is_multiscreen) { + // Use already calculated work area when available. + Atom gtk_workareas_prop = XInternAtom(x11_display, "_GTK_WORKAREAS", False); + if (gtk_workareas_prop != None) { + char gtk_workarea_prop_name[32]; + snprintf(gtk_workarea_prop_name, 32, "_GTK_WORKAREAS_D%d", desktop_index); + Atom gtk_workarea_prop = XInternAtom(x11_display, gtk_workarea_prop_name, True); + if (gtk_workarea_prop != None) { + unsigned long workarea_len = 0; + unsigned char *workarea_data = nullptr; + if (XGetWindowProperty(x11_display, x11_window, gtk_workarea_prop, 0, LONG_MAX, False, XA_CARDINAL, &type, &format, &workarea_len, &remaining, &workarea_data) == Success) { + if ((format == 32) && (workarea_len % 4 == 0) && workarea_data) { + long *rect_data = (long *)workarea_data; + for (uint32_t data_offset = 0; data_offset < workarea_len; data_offset += 4) { + Rect2i workarea_rect; + workarea_rect.position.x = rect_data[data_offset]; + workarea_rect.position.y = rect_data[data_offset + 1]; + workarea_rect.size.x = rect_data[data_offset + 2]; + workarea_rect.size.y = rect_data[data_offset + 3]; + + // Intersect with actual monitor size to find the correct area, + // because areas are not in the same order as screens from Xinerama. + if (rect.grow(-1).intersects(workarea_rect)) { + rect = rect.intersection(workarea_rect); + XFree(workarea_data); + return rect; + } + } + } + } + if (workarea_data) { + XFree(workarea_data); + } + } + } + + // Fallback to calculating work area by hand from struts. + Atom client_list_prop = XInternAtom(x11_display, "_NET_CLIENT_LIST", True); + if (client_list_prop != None) { + unsigned long clients_len = 0; + unsigned char *clients_data = nullptr; + if (XGetWindowProperty(x11_display, x11_window, client_list_prop, 0, LONG_MAX, False, XA_WINDOW, &type, &format, &clients_len, &remaining, &clients_data) == Success) { + if ((format == 32) && (clients_len > 0) && clients_data) { + Window *windows_data = (Window *)clients_data; + + Rect2i desktop_rect; + bool desktop_valid = false; + + // Get full desktop size. + { + Atom desktop_geometry_prop = XInternAtom(x11_display, "_NET_DESKTOP_GEOMETRY", True); + if (desktop_geometry_prop != None) { + unsigned long geom_len = 0; + unsigned char *geom_data = nullptr; + if (XGetWindowProperty(x11_display, x11_window, desktop_geometry_prop, 0, LONG_MAX, False, XA_CARDINAL, &type, &format, &geom_len, &remaining, &geom_data) == Success) { + if ((format == 32) && (geom_len >= 2) && geom_data) { + desktop_valid = true; + long *size_data = (long *)geom_data; + desktop_rect.size.x = size_data[0]; + desktop_rect.size.y = size_data[1]; + } + } + if (geom_data) { + XFree(geom_data); + } + } + } + + // Get full desktop position. + if (desktop_valid) { + Atom desktop_viewport_prop = XInternAtom(x11_display, "_NET_DESKTOP_VIEWPORT", True); + if (desktop_viewport_prop != None) { + unsigned long viewport_len = 0; + unsigned char *viewport_data = nullptr; + if (XGetWindowProperty(x11_display, x11_window, desktop_viewport_prop, 0, LONG_MAX, False, XA_CARDINAL, &type, &format, &viewport_len, &remaining, &viewport_data) == Success) { + if ((format == 32) && (viewport_len >= 2) && viewport_data) { + desktop_valid = true; + long *pos_data = (long *)viewport_data; + desktop_rect.position.x = pos_data[0]; + desktop_rect.position.y = pos_data[1]; + } + } + if (viewport_data) { + XFree(viewport_data); + } + } + } + + if (desktop_valid) { + use_simple_method = false; + + // Handle bad window errors silently because there's no other way to check + // that one of the windows has been destroyed in the meantime. + int (*oldHandler)(Display *, XErrorEvent *) = XSetErrorHandler(&bad_window_error_handler); + + for (unsigned long win_index = 0; win_index < clients_len; ++win_index) { + g_bad_window = false; + + // Remove strut size from desktop size to get a more accurate result. + bool strut_found = false; + unsigned long strut_len = 0; + unsigned char *strut_data = nullptr; + Atom strut_partial_prop = XInternAtom(x11_display, "_NET_WM_STRUT_PARTIAL", True); + if (strut_partial_prop != None) { + if (XGetWindowProperty(x11_display, windows_data[win_index], strut_partial_prop, 0, LONG_MAX, False, XA_CARDINAL, &type, &format, &strut_len, &remaining, &strut_data) == Success) { + strut_found = true; + } + } + // Fallback to older strut property. + if (!g_bad_window && !strut_found) { + Atom strut_prop = XInternAtom(x11_display, "_NET_WM_STRUT", True); + if (strut_prop != None) { + if (XGetWindowProperty(x11_display, windows_data[win_index], strut_prop, 0, LONG_MAX, False, XA_CARDINAL, &type, &format, &strut_len, &remaining, &strut_data) == Success) { + strut_found = true; + } + } + } + if (!g_bad_window && strut_found && (format == 32) && (strut_len >= 4) && strut_data) { + long *struts = (long *)strut_data; + + long left = struts[0]; + long right = struts[1]; + long top = struts[2]; + long bottom = struts[3]; + + long left_start_y, left_end_y, right_start_y, right_end_y; + long top_start_x, top_end_x, bottom_start_x, bottom_end_x; + + if (strut_len >= 12) { + left_start_y = struts[4]; + left_end_y = struts[5]; + right_start_y = struts[6]; + right_end_y = struts[7]; + top_start_x = struts[8]; + top_end_x = struts[9]; + bottom_start_x = struts[10]; + bottom_end_x = struts[11]; + } else { + left_start_y = 0; + left_end_y = desktop_rect.size.y; + right_start_y = 0; + right_end_y = desktop_rect.size.y; + top_start_x = 0; + top_end_x = desktop_rect.size.x; + bottom_start_x = 0; + bottom_end_x = desktop_rect.size.x; + } + + const Point2i &pos = desktop_rect.position; + const Size2i &size = desktop_rect.size; + + Rect2i left_rect(pos.x, pos.y + left_start_y, left, left_end_y - left_start_y); + if (left_rect.size.x > 0) { + Rect2i intersection = rect.intersection(left_rect); + if (intersection.has_area() && intersection.size.x < rect.size.x) { + rect.position.x = left_rect.size.x; + rect.size.x = rect.size.x - intersection.size.x; + } + } + + Rect2i right_rect(pos.x + size.x - right, pos.y + right_start_y, right, right_end_y - right_start_y); + if (right_rect.size.x > 0) { + Rect2i intersection = rect.intersection(right_rect); + if (intersection.has_area() && right_rect.size.x < rect.size.x) { + rect.size.x = intersection.position.x - rect.position.x; + } + } + + Rect2i top_rect(pos.x + top_start_x, pos.y, top_end_x - top_start_x, top); + if (top_rect.size.y > 0) { + Rect2i intersection = rect.intersection(top_rect); + if (intersection.has_area() && intersection.size.y < rect.size.y) { + rect.position.y = top_rect.size.y; + rect.size.y = rect.size.y - intersection.size.y; + } + } + + Rect2i bottom_rect(pos.x + bottom_start_x, pos.y + size.y - bottom, bottom_end_x - bottom_start_x, bottom); + if (bottom_rect.size.y > 0) { + Rect2i intersection = rect.intersection(bottom_rect); + if (intersection.has_area() && right_rect.size.y < rect.size.y) { + rect.size.y = intersection.position.y - rect.position.y; + } + } + } + if (strut_data) { + XFree(strut_data); + } + } + + // Restore default error handler. + XSetErrorHandler(oldHandler); + } + } + } + if (clients_data) { + XFree(clients_data); + } + } + } + + // Single screen or fallback for multi screen. + if (use_simple_method) { + // Get desktop available size from the global work area. + Atom workarea_prop = XInternAtom(x11_display, "_NET_WORKAREA", True); + if (workarea_prop != None) { + unsigned long workarea_len = 0; + unsigned char *workarea_data = nullptr; + if (XGetWindowProperty(x11_display, x11_window, workarea_prop, 0, LONG_MAX, False, XA_CARDINAL, &type, &format, &workarea_len, &remaining, &workarea_data) == Success) { + if ((format == 32) && (workarea_len >= ((desktop_index + 1) * 4)) && workarea_data) { + long *rect_data = (long *)workarea_data; + int data_offset = desktop_index * 4; + Rect2i workarea_rect; + workarea_rect.position.x = rect_data[data_offset]; + workarea_rect.position.y = rect_data[data_offset + 1]; + workarea_rect.size.x = rect_data[data_offset + 2]; + workarea_rect.size.y = rect_data[data_offset + 3]; + + // Intersect with actual monitor size to get a proper approximation in multi-screen setup. + if (!is_multiscreen) { + rect = workarea_rect; + } else if (rect.intersects(workarea_rect)) { + rect = rect.intersection(workarea_rect); + } + } + } + if (workarea_data) { + XFree(workarea_data); + } + } + } + + return rect; +} + +int DisplayServerX11::screen_get_dpi(int p_screen) const { + _THREAD_SAFE_METHOD_ + + if (p_screen == SCREEN_OF_MAIN_WINDOW) { + p_screen = window_get_current_screen(); + } + + //invalid screen? + ERR_FAIL_INDEX_V(p_screen, get_screen_count(), 0); + + //Get physical monitor Dimensions through XRandR and calculate dpi + Size2i sc = screen_get_size(p_screen); + if (xrandr_ext_ok) { + int count = 0; + if (xrr_get_monitors) { + xrr_monitor_info *monitors = xrr_get_monitors(x11_display, windows[MAIN_WINDOW_ID].x11_window, true, &count); + if (p_screen < count) { + double xdpi = sc.width / (double)monitors[p_screen].mwidth * 25.4; + double ydpi = sc.height / (double)monitors[p_screen].mheight * 25.4; + xrr_free_monitors(monitors); + return (xdpi + ydpi) / 2; + } + xrr_free_monitors(monitors); + } else if (p_screen == 0) { + XRRScreenSize *sizes = XRRSizes(x11_display, 0, &count); + if (sizes) { + double xdpi = sc.width / (double)sizes[0].mwidth * 25.4; + double ydpi = sc.height / (double)sizes[0].mheight * 25.4; + return (xdpi + ydpi) / 2; + } + } + } + + int width_mm = DisplayWidthMM(x11_display, p_screen); + int height_mm = DisplayHeightMM(x11_display, p_screen); + double xdpi = (width_mm ? sc.width / (double)width_mm * 25.4 : 0); + double ydpi = (height_mm ? sc.height / (double)height_mm * 25.4 : 0); + if (xdpi || ydpi) { + return (xdpi + ydpi) / (xdpi && ydpi ? 2 : 1); + } + + //could not get dpi + return 96; +} + +float DisplayServerX11::screen_get_refresh_rate(int p_screen) const { + _THREAD_SAFE_METHOD_ + + if (p_screen == SCREEN_OF_MAIN_WINDOW) { + p_screen = window_get_current_screen(); + } + + //invalid screen? + ERR_FAIL_INDEX_V(p_screen, get_screen_count(), SCREEN_REFRESH_RATE_FALLBACK); + + //Use xrandr to get screen refresh rate. + if (xrandr_ext_ok) { + XRRScreenResources *screen_info = XRRGetScreenResources(x11_display, windows[MAIN_WINDOW_ID].x11_window); + if (screen_info) { + RRMode current_mode = 0; + xrr_monitor_info *monitors = nullptr; + + if (xrr_get_monitors) { + int count = 0; + monitors = xrr_get_monitors(x11_display, windows[MAIN_WINDOW_ID].x11_window, true, &count); + ERR_FAIL_INDEX_V(p_screen, count, SCREEN_REFRESH_RATE_FALLBACK); + } else { + ERR_PRINT("An error occurred while trying to get the screen refresh rate."); + return SCREEN_REFRESH_RATE_FALLBACK; + } + + bool found_active_mode = false; + for (int crtc = 0; crtc < screen_info->ncrtc; crtc++) { // Loop through outputs to find which one is currently outputting. + XRRCrtcInfo *monitor_info = XRRGetCrtcInfo(x11_display, screen_info, screen_info->crtcs[crtc]); + if (monitor_info->x != monitors[p_screen].x || monitor_info->y != monitors[p_screen].y) { // If X and Y aren't the same as the monitor we're looking for, this isn't the right monitor. Continue. + continue; + } + + if (monitor_info->mode != None) { + current_mode = monitor_info->mode; + found_active_mode = true; + break; + } + } + + if (found_active_mode) { + for (int mode = 0; mode < screen_info->nmode; mode++) { + XRRModeInfo m_info = screen_info->modes[mode]; + if (m_info.id == current_mode) { + // Snap to nearest 0.01 to stay consistent with other platforms. + return Math::snapped((float)m_info.dotClock / ((float)m_info.hTotal * (float)m_info.vTotal), 0.01); + } + } + } + + ERR_PRINT("An error occurred while trying to get the screen refresh rate."); // We should have returned the refresh rate by now. An error must have occurred. + return SCREEN_REFRESH_RATE_FALLBACK; + } else { + ERR_PRINT("An error occurred while trying to get the screen refresh rate."); + return SCREEN_REFRESH_RATE_FALLBACK; + } + } + ERR_PRINT("An error occurred while trying to get the screen refresh rate."); + return SCREEN_REFRESH_RATE_FALLBACK; +} + +#ifdef DBUS_ENABLED +void DisplayServerX11::screen_set_keep_on(bool p_enable) { + if (screen_is_kept_on() == p_enable) { + return; + } + + if (p_enable) { + screensaver->inhibit(); + } else { + screensaver->uninhibit(); + } + + keep_screen_on = p_enable; +} + +bool DisplayServerX11::screen_is_kept_on() const { + return keep_screen_on; +} +#endif + +Vector<DisplayServer::WindowID> DisplayServerX11::get_window_list() const { + _THREAD_SAFE_METHOD_ + + Vector<int> ret; + for (const KeyValue<WindowID, WindowData> &E : windows) { + ret.push_back(E.key); + } + return ret; +} + +DisplayServer::WindowID DisplayServerX11::create_sub_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect) { + _THREAD_SAFE_METHOD_ + + WindowID id = _create_window(p_mode, p_vsync_mode, p_flags, p_rect); + for (int i = 0; i < WINDOW_FLAG_MAX; i++) { + if (p_flags & (1 << i)) { + window_set_flag(WindowFlags(i), true, id); + } + } + + return id; +} + +void DisplayServerX11::show_window(WindowID p_id) { + _THREAD_SAFE_METHOD_ + + const WindowData &wd = windows[p_id]; + popup_open(p_id); + + DEBUG_LOG_X11("show_window: %lu (%u) \n", wd.x11_window, p_id); + + XMapWindow(x11_display, wd.x11_window); +} + +void DisplayServerX11::delete_sub_window(WindowID p_id) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_id)); + ERR_FAIL_COND_MSG(p_id == MAIN_WINDOW_ID, "Main window can't be deleted"); + + popup_close(p_id); + + WindowData &wd = windows[p_id]; + + DEBUG_LOG_X11("delete_sub_window: %lu (%u) \n", wd.x11_window, p_id); + + while (wd.transient_children.size()) { + window_set_transient(*wd.transient_children.begin(), INVALID_WINDOW_ID); + } + + if (wd.transient_parent != INVALID_WINDOW_ID) { + window_set_transient(p_id, INVALID_WINDOW_ID); + } + +#ifdef VULKAN_ENABLED + if (context_vulkan) { + context_vulkan->window_destroy(p_id); + } +#endif +#ifdef GLES3_ENABLED + if (gl_manager) { + gl_manager->window_destroy(p_id); + } +#endif + + XUnmapWindow(x11_display, wd.x11_window); + XDestroyWindow(x11_display, wd.x11_window); + if (wd.xic) { + XDestroyIC(wd.xic); + wd.xic = nullptr; + } + + windows.erase(p_id); +} + +int64_t DisplayServerX11::window_get_native_handle(HandleType p_handle_type, WindowID p_window) const { + ERR_FAIL_COND_V(!windows.has(p_window), 0); + switch (p_handle_type) { + case DISPLAY_HANDLE: { + return (int64_t)x11_display; + } + case WINDOW_HANDLE: { + return (int64_t)windows[p_window].x11_window; + } + case WINDOW_VIEW: { + return 0; // Not supported. + } + default: { + return 0; + } + } +} + +void DisplayServerX11::window_attach_instance_id(ObjectID p_instance, WindowID p_window) { + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + wd.instance_id = p_instance; +} + +ObjectID DisplayServerX11::window_get_attached_instance_id(WindowID p_window) const { + ERR_FAIL_COND_V(!windows.has(p_window), ObjectID()); + const WindowData &wd = windows[p_window]; + return wd.instance_id; +} + +DisplayServerX11::WindowID DisplayServerX11::get_window_at_screen_position(const Point2i &p_position) const { + WindowID found_window = INVALID_WINDOW_ID; + WindowID parent_window = INVALID_WINDOW_ID; + unsigned int focus_order = 0; + for (const KeyValue<WindowID, WindowData> &E : windows) { + const WindowData &wd = E.value; + + // Discard windows with no focus. + if (wd.focus_order == 0) { + continue; + } + + // Find topmost window which contains the given position. + WindowID window_id = E.key; + Rect2i win_rect = Rect2i(window_get_position(window_id), window_get_size(window_id)); + if (win_rect.has_point(p_position)) { + // For siblings, pick the window which was focused last. + if ((parent_window != wd.transient_parent) || (wd.focus_order > focus_order)) { + found_window = window_id; + parent_window = wd.transient_parent; + focus_order = wd.focus_order; + } + } + } + + return found_window; +} + +void DisplayServerX11::window_set_title(const String &p_title, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + XStoreName(x11_display, wd.x11_window, p_title.utf8().get_data()); + + Atom _net_wm_name = XInternAtom(x11_display, "_NET_WM_NAME", false); + Atom utf8_string = XInternAtom(x11_display, "UTF8_STRING", false); + if (_net_wm_name != None && utf8_string != None) { + XChangeProperty(x11_display, wd.x11_window, _net_wm_name, utf8_string, 8, PropModeReplace, (unsigned char *)p_title.utf8().get_data(), p_title.utf8().length()); + } +} + +void DisplayServerX11::window_set_mouse_passthrough(const Vector<Vector2> &p_region, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + const WindowData &wd = windows[p_window]; + + int event_base, error_base; + const Bool ext_okay = XShapeQueryExtension(x11_display, &event_base, &error_base); + if (ext_okay) { + Region region; + if (p_region.size() == 0) { + region = XCreateRegion(); + XRectangle rect; + rect.x = 0; + rect.y = 0; + rect.width = window_get_real_size(p_window).x; + rect.height = window_get_real_size(p_window).y; + XUnionRectWithRegion(&rect, region, region); + } else { + XPoint *points = (XPoint *)memalloc(sizeof(XPoint) * p_region.size()); + for (int i = 0; i < p_region.size(); i++) { + points[i].x = p_region[i].x; + points[i].y = p_region[i].y; + } + region = XPolygonRegion(points, p_region.size(), EvenOddRule); + memfree(points); + } + XShapeCombineRegion(x11_display, wd.x11_window, ShapeInput, 0, 0, region, ShapeSet); + XDestroyRegion(region); + } +} + +void DisplayServerX11::window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + wd.rect_changed_callback = p_callable; +} + +void DisplayServerX11::window_set_window_event_callback(const Callable &p_callable, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + wd.event_callback = p_callable; +} + +void DisplayServerX11::window_set_input_event_callback(const Callable &p_callable, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + wd.input_event_callback = p_callable; +} + +void DisplayServerX11::window_set_input_text_callback(const Callable &p_callable, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + wd.input_text_callback = p_callable; +} + +void DisplayServerX11::window_set_drop_files_callback(const Callable &p_callable, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + wd.drop_files_callback = p_callable; +} + +int DisplayServerX11::window_get_current_screen(WindowID p_window) const { + _THREAD_SAFE_METHOD_ + + int count = get_screen_count(); + if (count < 2) { + // Early exit with single monitor. + return 0; + } + + ERR_FAIL_COND_V(!windows.has(p_window), 0); + const WindowData &wd = windows[p_window]; + + const Rect2i window_rect(wd.position, wd.size); + + // Find which monitor has the largest overlap with the given window. + int screen_index = 0; + int max_area = 0; + for (int i = 0; i < count; i++) { + Rect2i screen_rect = _screen_get_rect(i); + Rect2i intersection = screen_rect.intersection(window_rect); + int area = intersection.get_area(); + if (area > max_area) { + max_area = area; + screen_index = i; + } + } + + return screen_index; +} + +void DisplayServerX11::gl_window_make_current(DisplayServer::WindowID p_window_id) { +#if defined(GLES3_ENABLED) + if (gl_manager) { + gl_manager->window_make_current(p_window_id); + } +#endif +} + +void DisplayServerX11::window_set_current_screen(int p_screen, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + if (p_screen == SCREEN_OF_MAIN_WINDOW) { + p_screen = window_get_current_screen(); + } + + // Check if screen is valid + ERR_FAIL_INDEX(p_screen, get_screen_count()); + + if (window_get_mode(p_window) == WINDOW_MODE_FULLSCREEN) { + Point2i position = screen_get_position(p_screen); + Size2i size = screen_get_size(p_screen); + + XMoveResizeWindow(x11_display, wd.x11_window, position.x, position.y, size.x, size.y); + } else { + if (p_screen != window_get_current_screen(p_window)) { + Vector2 ofs = window_get_position(p_window) - screen_get_position(window_get_current_screen(p_window)); + window_set_position(ofs + screen_get_position(p_screen), p_window); + } + } +} + +void DisplayServerX11::window_set_transient(WindowID p_window, WindowID p_parent) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(p_window == p_parent); + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd_window = windows[p_window]; + + WindowID prev_parent = wd_window.transient_parent; + ERR_FAIL_COND(prev_parent == p_parent); + + DEBUG_LOG_X11("window_set_transient: %lu (%u), prev_parent=%u, parent=%u\n", wd_window.x11_window, p_window, prev_parent, p_parent); + + ERR_FAIL_COND_MSG(wd_window.on_top, "Windows with the 'on top' can't become transient."); + if (p_parent == INVALID_WINDOW_ID) { + //remove transient + + ERR_FAIL_COND(prev_parent == INVALID_WINDOW_ID); + ERR_FAIL_COND(!windows.has(prev_parent)); + + WindowData &wd_parent = windows[prev_parent]; + + wd_window.transient_parent = INVALID_WINDOW_ID; + wd_parent.transient_children.erase(p_window); + + XSetTransientForHint(x11_display, wd_window.x11_window, None); + + XWindowAttributes xwa; + XSync(x11_display, False); + XGetWindowAttributes(x11_display, wd_parent.x11_window, &xwa); + + // Set focus to parent sub window to avoid losing all focus when closing a nested sub-menu. + // RevertToPointerRoot is used to make sure we don't lose all focus in case + // a subwindow and its parent are both destroyed. + if (!wd_window.no_focus && !wd_window.is_popup && wd_window.focused) { + if ((xwa.map_state == IsViewable) && !wd_parent.no_focus && !wd_window.is_popup) { + XSetInputFocus(x11_display, wd_parent.x11_window, RevertToPointerRoot, CurrentTime); + } + } + } else { + ERR_FAIL_COND(!windows.has(p_parent)); + ERR_FAIL_COND_MSG(prev_parent != INVALID_WINDOW_ID, "Window already has a transient parent"); + WindowData &wd_parent = windows[p_parent]; + + wd_window.transient_parent = p_parent; + wd_parent.transient_children.insert(p_window); + + XSetTransientForHint(x11_display, wd_window.x11_window, wd_parent.x11_window); + } +} + +// Helper method. Assumes that the window id has already been checked and exists. +void DisplayServerX11::_update_size_hints(WindowID p_window) { + WindowData &wd = windows[p_window]; + WindowMode window_mode = window_get_mode(p_window); + XSizeHints *xsh = XAllocSizeHints(); + + // Always set the position and size hints - they should be synchronized with the actual values after the window is mapped anyway + xsh->flags |= PPosition | PSize; + xsh->x = wd.position.x; + xsh->y = wd.position.y; + xsh->width = wd.size.width; + xsh->height = wd.size.height; + + if (window_mode == WINDOW_MODE_FULLSCREEN) { + // Do not set any other hints to prevent the window manager from ignoring the fullscreen flags + } else if (window_get_flag(WINDOW_FLAG_RESIZE_DISABLED, p_window)) { + // If resizing is disabled, use the forced size + xsh->flags |= PMinSize | PMaxSize; + xsh->min_width = wd.size.x; + xsh->max_width = wd.size.x; + xsh->min_height = wd.size.y; + xsh->max_height = wd.size.y; + } else { + // Otherwise, just respect min_size and max_size + if (wd.min_size != Size2i()) { + xsh->flags |= PMinSize; + xsh->min_width = wd.min_size.x; + xsh->min_height = wd.min_size.y; + } + if (wd.max_size != Size2i()) { + xsh->flags |= PMaxSize; + xsh->max_width = wd.max_size.x; + xsh->max_height = wd.max_size.y; + } + } + + XSetWMNormalHints(x11_display, wd.x11_window, xsh); + XFree(xsh); +} + +Point2i DisplayServerX11::window_get_position(WindowID p_window) const { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND_V(!windows.has(p_window), Point2i()); + const WindowData &wd = windows[p_window]; + + return wd.position; +} + +void DisplayServerX11::window_set_position(const Point2i &p_position, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + int x = 0; + int y = 0; + if (!window_get_flag(WINDOW_FLAG_BORDERLESS, p_window)) { + //exclude window decorations + XSync(x11_display, False); + Atom prop = XInternAtom(x11_display, "_NET_FRAME_EXTENTS", True); + if (prop != None) { + Atom type; + int format; + unsigned long len; + unsigned long remaining; + unsigned char *data = nullptr; + if (XGetWindowProperty(x11_display, wd.x11_window, prop, 0, 4, False, AnyPropertyType, &type, &format, &len, &remaining, &data) == Success) { + if (format == 32 && len == 4 && data) { + long *extents = (long *)data; + x = extents[0]; + y = extents[2]; + } + XFree(data); + } + } + } + XMoveWindow(x11_display, wd.x11_window, p_position.x - x, p_position.y - y); + _update_real_mouse_position(wd); +} + +void DisplayServerX11::window_set_max_size(const Size2i p_size, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + if ((p_size != Size2i()) && ((p_size.x < wd.min_size.x) || (p_size.y < wd.min_size.y))) { + ERR_PRINT("Maximum window size can't be smaller than minimum window size!"); + return; + } + wd.max_size = p_size; + + _update_size_hints(p_window); + XFlush(x11_display); +} + +Size2i DisplayServerX11::window_get_max_size(WindowID p_window) const { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND_V(!windows.has(p_window), Size2i()); + const WindowData &wd = windows[p_window]; + + return wd.max_size; +} + +void DisplayServerX11::window_set_min_size(const Size2i p_size, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + if ((p_size != Size2i()) && (wd.max_size != Size2i()) && ((p_size.x > wd.max_size.x) || (p_size.y > wd.max_size.y))) { + ERR_PRINT("Minimum window size can't be larger than maximum window size!"); + return; + } + wd.min_size = p_size; + + _update_size_hints(p_window); + XFlush(x11_display); +} + +Size2i DisplayServerX11::window_get_min_size(WindowID p_window) const { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND_V(!windows.has(p_window), Size2i()); + const WindowData &wd = windows[p_window]; + + return wd.min_size; +} + +void DisplayServerX11::window_set_size(const Size2i p_size, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + + Size2i size = p_size; + size.x = MAX(1, size.x); + size.y = MAX(1, size.y); + + WindowData &wd = windows[p_window]; + + if (wd.size.width == size.width && wd.size.height == size.height) { + return; + } + + XWindowAttributes xwa; + XSync(x11_display, False); + XGetWindowAttributes(x11_display, wd.x11_window, &xwa); + int old_w = xwa.width; + int old_h = xwa.height; + + // Update our videomode width and height + wd.size = size; + + // Update the size hints first to make sure the window size can be set + _update_size_hints(p_window); + + // Resize the window + XResizeWindow(x11_display, wd.x11_window, size.x, size.y); + + for (int timeout = 0; timeout < 50; ++timeout) { + XSync(x11_display, False); + XGetWindowAttributes(x11_display, wd.x11_window, &xwa); + + if (old_w != xwa.width || old_h != xwa.height) { + break; + } + + usleep(10000); + } + + // Keep rendering context window size in sync +#if defined(VULKAN_ENABLED) + if (context_vulkan) { + context_vulkan->window_resize(p_window, xwa.width, xwa.height); + } +#endif +#if defined(GLES3_ENABLED) + if (gl_manager) { + gl_manager->window_resize(p_window, xwa.width, xwa.height); + } +#endif +} + +Size2i DisplayServerX11::window_get_size(WindowID p_window) const { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND_V(!windows.has(p_window), Size2i()); + const WindowData &wd = windows[p_window]; + return wd.size; +} + +Size2i DisplayServerX11::window_get_real_size(WindowID p_window) const { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND_V(!windows.has(p_window), Size2i()); + const WindowData &wd = windows[p_window]; + + XWindowAttributes xwa; + XSync(x11_display, False); + XGetWindowAttributes(x11_display, wd.x11_window, &xwa); + int w = xwa.width; + int h = xwa.height; + Atom prop = XInternAtom(x11_display, "_NET_FRAME_EXTENTS", True); + if (prop != None) { + Atom type; + int format; + unsigned long len; + unsigned long remaining; + unsigned char *data = nullptr; + if (XGetWindowProperty(x11_display, wd.x11_window, prop, 0, 4, False, AnyPropertyType, &type, &format, &len, &remaining, &data) == Success) { + if (format == 32 && len == 4 && data) { + long *extents = (long *)data; + w += extents[0] + extents[1]; // left, right + h += extents[2] + extents[3]; // top, bottom + } + XFree(data); + } + } + return Size2i(w, h); +} + +// Just a helper to reduce code duplication in `window_is_maximize_allowed` +// and `_set_wm_maximized`. +bool DisplayServerX11::_window_maximize_check(WindowID p_window, const char *p_atom_name) const { + ERR_FAIL_COND_V(!windows.has(p_window), false); + const WindowData &wd = windows[p_window]; + + Atom property = XInternAtom(x11_display, p_atom_name, False); + Atom type; + int format; + unsigned long len; + unsigned long remaining; + unsigned char *data = nullptr; + bool retval = false; + + if (property == None) { + return false; + } + + int result = XGetWindowProperty( + x11_display, + wd.x11_window, + property, + 0, + 1024, + False, + XA_ATOM, + &type, + &format, + &len, + &remaining, + &data); + + if (result == Success && data) { + Atom *atoms = (Atom *)data; + Atom wm_act_max_horz; + Atom wm_act_max_vert; + if (strcmp(p_atom_name, "_NET_WM_STATE") == 0) { + wm_act_max_horz = XInternAtom(x11_display, "_NET_WM_STATE_MAXIMIZED_HORZ", False); + wm_act_max_vert = XInternAtom(x11_display, "_NET_WM_STATE_MAXIMIZED_VERT", False); + } else { + wm_act_max_horz = XInternAtom(x11_display, "_NET_WM_ACTION_MAXIMIZE_HORZ", False); + wm_act_max_vert = XInternAtom(x11_display, "_NET_WM_ACTION_MAXIMIZE_VERT", False); + } + bool found_wm_act_max_horz = false; + bool found_wm_act_max_vert = false; + + for (uint64_t i = 0; i < len; i++) { + if (atoms[i] == wm_act_max_horz) { + found_wm_act_max_horz = true; + } + if (atoms[i] == wm_act_max_vert) { + found_wm_act_max_vert = true; + } + + if (found_wm_act_max_horz || found_wm_act_max_vert) { + retval = true; + break; + } + } + + XFree(data); + } + + return retval; +} + +bool DisplayServerX11::_window_minimize_check(WindowID p_window) const { + const WindowData &wd = windows[p_window]; + + // Using ICCCM -- Inter-Client Communication Conventions Manual + Atom property = XInternAtom(x11_display, "WM_STATE", True); + if (property == None) { + return false; + } + + Atom type; + int format; + unsigned long len; + unsigned long remaining; + unsigned char *data = nullptr; + + int result = XGetWindowProperty( + x11_display, + wd.x11_window, + property, + 0, + 32, + False, + AnyPropertyType, + &type, + &format, + &len, + &remaining, + &data); + + if (result == Success && data) { + long *state = (long *)data; + if (state[0] == WM_IconicState) { + XFree(data); + return true; + } + XFree(data); + } + + return false; +} + +bool DisplayServerX11::_window_fullscreen_check(WindowID p_window) const { + ERR_FAIL_COND_V(!windows.has(p_window), false); + const WindowData &wd = windows[p_window]; + + // Using EWMH -- Extended Window Manager Hints + Atom property = XInternAtom(x11_display, "_NET_WM_STATE", False); + Atom type; + int format; + unsigned long len; + unsigned long remaining; + unsigned char *data = nullptr; + bool retval = false; + + if (property == None) { + return retval; + } + + int result = XGetWindowProperty( + x11_display, + wd.x11_window, + property, + 0, + 1024, + False, + XA_ATOM, + &type, + &format, + &len, + &remaining, + &data); + + if (result == Success) { + Atom *atoms = (Atom *)data; + Atom wm_fullscreen = XInternAtom(x11_display, "_NET_WM_STATE_FULLSCREEN", False); + for (uint64_t i = 0; i < len; i++) { + if (atoms[i] == wm_fullscreen) { + retval = true; + break; + } + } + XFree(data); + } + + return retval; +} + +void DisplayServerX11::_validate_mode_on_map(WindowID p_window) { + // Check if we applied any window modes that didn't take effect while unmapped + const WindowData &wd = windows[p_window]; + if (wd.fullscreen && !_window_fullscreen_check(p_window)) { + _set_wm_fullscreen(p_window, true); + } else if (wd.maximized && !_window_maximize_check(p_window, "_NET_WM_STATE")) { + _set_wm_maximized(p_window, true); + } else if (wd.minimized && !_window_minimize_check(p_window)) { + _set_wm_minimized(p_window, true); + } +} + +bool DisplayServerX11::window_is_maximize_allowed(WindowID p_window) const { + _THREAD_SAFE_METHOD_ + return _window_maximize_check(p_window, "_NET_WM_ALLOWED_ACTIONS"); +} + +void DisplayServerX11::_set_wm_maximized(WindowID p_window, bool p_enabled) { + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + // Using EWMH -- Extended Window Manager Hints + XEvent xev; + Atom wm_state = XInternAtom(x11_display, "_NET_WM_STATE", False); + Atom wm_max_horz = XInternAtom(x11_display, "_NET_WM_STATE_MAXIMIZED_HORZ", False); + Atom wm_max_vert = XInternAtom(x11_display, "_NET_WM_STATE_MAXIMIZED_VERT", False); + + memset(&xev, 0, sizeof(xev)); + xev.type = ClientMessage; + xev.xclient.window = wd.x11_window; + xev.xclient.message_type = wm_state; + xev.xclient.format = 32; + xev.xclient.data.l[0] = p_enabled ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; + xev.xclient.data.l[1] = wm_max_horz; + xev.xclient.data.l[2] = wm_max_vert; + + XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); + + if (p_enabled && window_is_maximize_allowed(p_window)) { + // Wait for effective resizing (so the GLX context is too). + // Give up after 0.5s, it's not going to happen on this WM. + // https://github.com/godotengine/godot/issues/19978 + for (int attempt = 0; window_get_mode(p_window) != WINDOW_MODE_MAXIMIZED && attempt < 50; attempt++) { + usleep(10000); + } + } + wd.maximized = p_enabled; +} + +void DisplayServerX11::_set_wm_minimized(WindowID p_window, bool p_enabled) { + WindowData &wd = windows[p_window]; + // Using ICCCM -- Inter-Client Communication Conventions Manual + XEvent xev; + Atom wm_change = XInternAtom(x11_display, "WM_CHANGE_STATE", False); + + memset(&xev, 0, sizeof(xev)); + xev.type = ClientMessage; + xev.xclient.window = wd.x11_window; + xev.xclient.message_type = wm_change; + xev.xclient.format = 32; + xev.xclient.data.l[0] = p_enabled ? WM_IconicState : WM_NormalState; + + XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); + + Atom wm_state = XInternAtom(x11_display, "_NET_WM_STATE", False); + Atom wm_hidden = XInternAtom(x11_display, "_NET_WM_STATE_HIDDEN", False); + + memset(&xev, 0, sizeof(xev)); + xev.type = ClientMessage; + xev.xclient.window = wd.x11_window; + xev.xclient.message_type = wm_state; + xev.xclient.format = 32; + xev.xclient.data.l[0] = p_enabled ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; + xev.xclient.data.l[1] = wm_hidden; + + XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); + wd.minimized = p_enabled; +} + +void DisplayServerX11::_set_wm_fullscreen(WindowID p_window, bool p_enabled) { + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + if (p_enabled && !window_get_flag(WINDOW_FLAG_BORDERLESS, p_window)) { + // remove decorations if the window is not already borderless + Hints hints; + Atom property; + hints.flags = 2; + hints.decorations = 0; + property = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True); + if (property != None) { + XChangeProperty(x11_display, wd.x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5); + } + } + + if (p_enabled) { + // Set the window as resizable to prevent window managers to ignore the fullscreen state flag. + _update_size_hints(p_window); + } + + // Using EWMH -- Extended Window Manager Hints + XEvent xev; + Atom wm_state = XInternAtom(x11_display, "_NET_WM_STATE", False); + Atom wm_fullscreen = XInternAtom(x11_display, "_NET_WM_STATE_FULLSCREEN", False); + + memset(&xev, 0, sizeof(xev)); + xev.type = ClientMessage; + xev.xclient.window = wd.x11_window; + xev.xclient.message_type = wm_state; + xev.xclient.format = 32; + xev.xclient.data.l[0] = p_enabled ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; + xev.xclient.data.l[1] = wm_fullscreen; + xev.xclient.data.l[2] = 0; + + XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); + + // set bypass compositor hint + Atom bypass_compositor = XInternAtom(x11_display, "_NET_WM_BYPASS_COMPOSITOR", False); + unsigned long compositing_disable_on = p_enabled ? 1 : 0; + if (bypass_compositor != None) { + XChangeProperty(x11_display, wd.x11_window, bypass_compositor, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&compositing_disable_on, 1); + } + + XFlush(x11_display); + + if (!p_enabled) { + // Reset the non-resizable flags if we un-set these before. + _update_size_hints(p_window); + + // put back or remove decorations according to the last set borderless state + Hints hints; + Atom property; + hints.flags = 2; + hints.decorations = wd.borderless ? 0 : 1; + property = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True); + if (property != None) { + XChangeProperty(x11_display, wd.x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5); + } + } +} + +void DisplayServerX11::window_set_mode(WindowMode p_mode, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + WindowMode old_mode = window_get_mode(p_window); + if (old_mode == p_mode) { + return; // do nothing + } + //remove all "extra" modes + + switch (old_mode) { + case WINDOW_MODE_WINDOWED: { + //do nothing + } break; + case WINDOW_MODE_MINIMIZED: { + _set_wm_minimized(p_window, false); + } break; + case WINDOW_MODE_EXCLUSIVE_FULLSCREEN: + case WINDOW_MODE_FULLSCREEN: { + //Remove full-screen + wd.fullscreen = false; + + _set_wm_fullscreen(p_window, false); + + //un-maximize required for always on top + bool on_top = window_get_flag(WINDOW_FLAG_ALWAYS_ON_TOP, p_window); + + window_set_position(wd.last_position_before_fs, p_window); + + if (on_top) { + _set_wm_maximized(p_window, false); + } + + } break; + case WINDOW_MODE_MAXIMIZED: { + _set_wm_maximized(p_window, false); + } break; + } + + switch (p_mode) { + case WINDOW_MODE_WINDOWED: { + //do nothing + } break; + case WINDOW_MODE_MINIMIZED: { + _set_wm_minimized(p_window, true); + } break; + case WINDOW_MODE_EXCLUSIVE_FULLSCREEN: + case WINDOW_MODE_FULLSCREEN: { + wd.last_position_before_fs = wd.position; + + if (window_get_flag(WINDOW_FLAG_ALWAYS_ON_TOP, p_window)) { + _set_wm_maximized(p_window, true); + } + + wd.fullscreen = true; + _set_wm_fullscreen(p_window, true); + } break; + case WINDOW_MODE_MAXIMIZED: { + _set_wm_maximized(p_window, true); + } break; + } +} + +DisplayServer::WindowMode DisplayServerX11::window_get_mode(WindowID p_window) const { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND_V(!windows.has(p_window), WINDOW_MODE_WINDOWED); + const WindowData &wd = windows[p_window]; + + if (wd.fullscreen) { //if fullscreen, it's not in another mode + return WINDOW_MODE_FULLSCREEN; + } + + // Test maximized. + // Using EWMH -- Extended Window Manager Hints + if (_window_maximize_check(p_window, "_NET_WM_STATE")) { + return WINDOW_MODE_MAXIMIZED; + } + + { + if (_window_minimize_check(p_window)) { + return WINDOW_MODE_MINIMIZED; + } + } + + // All other discarded, return windowed. + + return WINDOW_MODE_WINDOWED; +} + +void DisplayServerX11::window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + switch (p_flag) { + case WINDOW_FLAG_RESIZE_DISABLED: { + wd.resize_disabled = p_enabled; + + _update_size_hints(p_window); + + XFlush(x11_display); + } break; + case WINDOW_FLAG_BORDERLESS: { + Hints hints; + Atom property; + hints.flags = 2; + hints.decorations = p_enabled ? 0 : 1; + property = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True); + if (property != None) { + XChangeProperty(x11_display, wd.x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5); + } + + // Preserve window size + window_set_size(window_get_size(p_window), p_window); + + wd.borderless = p_enabled; + } break; + case WINDOW_FLAG_ALWAYS_ON_TOP: { + ERR_FAIL_COND_MSG(wd.transient_parent != INVALID_WINDOW_ID, "Can't make a window transient if the 'on top' flag is active."); + if (p_enabled && wd.fullscreen) { + _set_wm_maximized(p_window, true); + } + + Atom wm_state = XInternAtom(x11_display, "_NET_WM_STATE", False); + Atom wm_above = XInternAtom(x11_display, "_NET_WM_STATE_ABOVE", False); + + XClientMessageEvent xev; + memset(&xev, 0, sizeof(xev)); + xev.type = ClientMessage; + xev.window = wd.x11_window; + xev.message_type = wm_state; + xev.format = 32; + xev.data.l[0] = p_enabled ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; + xev.data.l[1] = wm_above; + xev.data.l[3] = 1; + XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, (XEvent *)&xev); + + if (!p_enabled && !wd.fullscreen) { + _set_wm_maximized(p_window, false); + } + wd.on_top = p_enabled; + + } break; + case WINDOW_FLAG_TRANSPARENT: { + wd.layered_window = p_enabled; + } break; + case WINDOW_FLAG_NO_FOCUS: { + wd.no_focus = p_enabled; + } break; + case WINDOW_FLAG_POPUP: { + XWindowAttributes xwa; + XSync(x11_display, False); + XGetWindowAttributes(x11_display, wd.x11_window, &xwa); + + ERR_FAIL_COND_MSG(p_window == MAIN_WINDOW_ID, "Main window can't be popup."); + ERR_FAIL_COND_MSG((xwa.map_state == IsViewable) && (wd.is_popup != p_enabled), "Popup flag can't changed while window is opened."); + wd.is_popup = p_enabled; + } break; + default: { + } + } +} + +bool DisplayServerX11::window_get_flag(WindowFlags p_flag, WindowID p_window) const { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND_V(!windows.has(p_window), false); + const WindowData &wd = windows[p_window]; + + switch (p_flag) { + case WINDOW_FLAG_RESIZE_DISABLED: { + return wd.resize_disabled; + } break; + case WINDOW_FLAG_BORDERLESS: { + bool borderless = wd.borderless; + Atom prop = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True); + if (prop != None) { + Atom type; + int format; + unsigned long len; + unsigned long remaining; + unsigned char *data = nullptr; + if (XGetWindowProperty(x11_display, wd.x11_window, prop, 0, sizeof(Hints), False, AnyPropertyType, &type, &format, &len, &remaining, &data) == Success) { + if (data && (format == 32) && (len >= 5)) { + borderless = !(reinterpret_cast<Hints *>(data)->decorations); + } + if (data) { + XFree(data); + } + } + } + return borderless; + } break; + case WINDOW_FLAG_ALWAYS_ON_TOP: { + return wd.on_top; + } break; + case WINDOW_FLAG_TRANSPARENT: { + return wd.layered_window; + } break; + case WINDOW_FLAG_NO_FOCUS: { + return wd.no_focus; + } break; + case WINDOW_FLAG_POPUP: { + return wd.is_popup; + } break; + default: { + } + } + + return false; +} + +void DisplayServerX11::window_request_attention(WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + const WindowData &wd = windows[p_window]; + // Using EWMH -- Extended Window Manager Hints + // + // Sets the _NET_WM_STATE_DEMANDS_ATTENTION atom for WM_STATE + // Will be unset by the window manager after user react on the request for attention + + XEvent xev; + Atom wm_state = XInternAtom(x11_display, "_NET_WM_STATE", False); + Atom wm_attention = XInternAtom(x11_display, "_NET_WM_STATE_DEMANDS_ATTENTION", False); + + memset(&xev, 0, sizeof(xev)); + xev.type = ClientMessage; + xev.xclient.window = wd.x11_window; + xev.xclient.message_type = wm_state; + xev.xclient.format = 32; + xev.xclient.data.l[0] = _NET_WM_STATE_ADD; + xev.xclient.data.l[1] = wm_attention; + + XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); + XFlush(x11_display); +} + +void DisplayServerX11::window_move_to_foreground(WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + const WindowData &wd = windows[p_window]; + + XEvent xev; + Atom net_active_window = XInternAtom(x11_display, "_NET_ACTIVE_WINDOW", False); + + memset(&xev, 0, sizeof(xev)); + xev.type = ClientMessage; + xev.xclient.window = wd.x11_window; + xev.xclient.message_type = net_active_window; + xev.xclient.format = 32; + xev.xclient.data.l[0] = 1; + xev.xclient.data.l[1] = CurrentTime; + + XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); + XFlush(x11_display); +} + +bool DisplayServerX11::window_can_draw(WindowID p_window) const { + //this seems to be all that is provided by X11 + return window_get_mode(p_window) != WINDOW_MODE_MINIMIZED; +} + +bool DisplayServerX11::can_any_window_draw() const { + _THREAD_SAFE_METHOD_ + + for (const KeyValue<WindowID, WindowData> &E : windows) { + if (window_get_mode(E.key) != WINDOW_MODE_MINIMIZED) { + return true; + } + } + + return false; +} + +void DisplayServerX11::window_set_ime_active(const bool p_active, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + wd.im_active = p_active; + + if (!wd.xic) { + return; + } + + // Block events polling while changing input focus + // because it triggers some event polling internally. + if (p_active) { + { + MutexLock mutex_lock(events_mutex); + XSetICFocus(wd.xic); + } + window_set_ime_position(wd.im_position, p_window); + } else { + MutexLock mutex_lock(events_mutex); + XUnsetICFocus(wd.xic); + } +} + +void DisplayServerX11::window_set_ime_position(const Point2i &p_pos, WindowID p_window) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + + wd.im_position = p_pos; + + if (!wd.xic) { + return; + } + + ::XPoint spot; + spot.x = short(p_pos.x); + spot.y = short(p_pos.y); + XVaNestedList preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, nullptr); + + { + // Block events polling during this call + // because it triggers some event polling internally. + MutexLock mutex_lock(events_mutex); + XSetICValues(wd.xic, XNPreeditAttributes, preedit_attr, nullptr); + } + + XFree(preedit_attr); +} + +void DisplayServerX11::cursor_set_shape(CursorShape p_shape) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_INDEX(p_shape, CURSOR_MAX); + + if (p_shape == current_cursor) { + return; + } + + if (mouse_mode == MOUSE_MODE_VISIBLE || mouse_mode == MOUSE_MODE_CONFINED) { + if (cursors[p_shape] != None) { + for (const KeyValue<WindowID, WindowData> &E : windows) { + XDefineCursor(x11_display, E.value.x11_window, cursors[p_shape]); + } + } else if (cursors[CURSOR_ARROW] != None) { + for (const KeyValue<WindowID, WindowData> &E : windows) { + XDefineCursor(x11_display, E.value.x11_window, cursors[CURSOR_ARROW]); + } + } + } + + current_cursor = p_shape; +} + +DisplayServerX11::CursorShape DisplayServerX11::cursor_get_shape() const { + return current_cursor; +} + +void DisplayServerX11::cursor_set_custom_image(const Ref<Resource> &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) { + _THREAD_SAFE_METHOD_ + + if (p_cursor.is_valid()) { + HashMap<CursorShape, Vector<Variant>>::Iterator cursor_c = cursors_cache.find(p_shape); + + if (cursor_c) { + if (cursor_c->value[0] == p_cursor && cursor_c->value[1] == p_hotspot) { + cursor_set_shape(p_shape); + return; + } + + cursors_cache.erase(p_shape); + } + + Ref<Texture2D> texture = p_cursor; + Ref<AtlasTexture> atlas_texture = p_cursor; + Ref<Image> image; + Size2i texture_size; + Rect2i atlas_rect; + + if (texture.is_valid()) { + image = texture->get_image(); + } + + if (!image.is_valid() && atlas_texture.is_valid()) { + texture = atlas_texture->get_atlas(); + + atlas_rect.size.width = texture->get_width(); + atlas_rect.size.height = texture->get_height(); + atlas_rect.position.x = atlas_texture->get_region().position.x; + atlas_rect.position.y = atlas_texture->get_region().position.y; + + texture_size.width = atlas_texture->get_region().size.x; + texture_size.height = atlas_texture->get_region().size.y; + } else if (image.is_valid()) { + texture_size.width = texture->get_width(); + texture_size.height = texture->get_height(); + } + + ERR_FAIL_COND(!texture.is_valid()); + ERR_FAIL_COND(p_hotspot.x < 0 || p_hotspot.y < 0); + ERR_FAIL_COND(texture_size.width > 256 || texture_size.height > 256); + ERR_FAIL_COND(p_hotspot.x > texture_size.width || p_hotspot.y > texture_size.height); + + image = texture->get_image(); + + ERR_FAIL_COND(!image.is_valid()); + + // Create the cursor structure + XcursorImage *cursor_image = XcursorImageCreate(texture_size.width, texture_size.height); + XcursorUInt image_size = texture_size.width * texture_size.height; + XcursorDim size = sizeof(XcursorPixel) * image_size; + + cursor_image->version = 1; + cursor_image->size = size; + cursor_image->xhot = p_hotspot.x; + cursor_image->yhot = p_hotspot.y; + + // allocate memory to contain the whole file + cursor_image->pixels = (XcursorPixel *)memalloc(size); + + for (XcursorPixel index = 0; index < image_size; index++) { + int row_index = floor(index / texture_size.width) + atlas_rect.position.y; + int column_index = (index % int(texture_size.width)) + atlas_rect.position.x; + + if (atlas_texture.is_valid()) { + column_index = MIN(column_index, atlas_rect.size.width - 1); + row_index = MIN(row_index, atlas_rect.size.height - 1); + } + + *(cursor_image->pixels + index) = image->get_pixel(column_index, row_index).to_argb32(); + } + + ERR_FAIL_COND(cursor_image->pixels == nullptr); + + // Save it for a further usage + cursors[p_shape] = XcursorImageLoadCursor(x11_display, cursor_image); + + Vector<Variant> params; + params.push_back(p_cursor); + params.push_back(p_hotspot); + cursors_cache.insert(p_shape, params); + + if (p_shape == current_cursor) { + if (mouse_mode == MOUSE_MODE_VISIBLE || mouse_mode == MOUSE_MODE_CONFINED) { + for (const KeyValue<WindowID, WindowData> &E : windows) { + XDefineCursor(x11_display, E.value.x11_window, cursors[p_shape]); + } + } + } + + memfree(cursor_image->pixels); + XcursorImageDestroy(cursor_image); + } else { + // Reset to default system cursor + if (img[p_shape]) { + cursors[p_shape] = XcursorImageLoadCursor(x11_display, img[p_shape]); + } + + CursorShape c = current_cursor; + current_cursor = CURSOR_MAX; + cursor_set_shape(c); + + cursors_cache.erase(p_shape); + } +} + +int DisplayServerX11::keyboard_get_layout_count() const { + int _group_count = 0; + XkbDescRec *kbd = XkbAllocKeyboard(); + if (kbd) { + kbd->dpy = x11_display; + XkbGetControls(x11_display, XkbAllControlsMask, kbd); + XkbGetNames(x11_display, XkbSymbolsNameMask, kbd); + + const Atom *groups = kbd->names->groups; + if (kbd->ctrls != nullptr) { + _group_count = kbd->ctrls->num_groups; + } else { + while (_group_count < XkbNumKbdGroups && groups[_group_count] != None) { + _group_count++; + } + } + XkbFreeKeyboard(kbd, 0, true); + } + return _group_count; +} + +int DisplayServerX11::keyboard_get_current_layout() const { + XkbStateRec state; + XkbGetState(x11_display, XkbUseCoreKbd, &state); + return state.group; +} + +void DisplayServerX11::keyboard_set_current_layout(int p_index) { + ERR_FAIL_INDEX(p_index, keyboard_get_layout_count()); + XkbLockGroup(x11_display, XkbUseCoreKbd, p_index); +} + +String DisplayServerX11::keyboard_get_layout_language(int p_index) const { + String ret; + XkbDescRec *kbd = XkbAllocKeyboard(); + if (kbd) { + kbd->dpy = x11_display; + XkbGetControls(x11_display, XkbAllControlsMask, kbd); + XkbGetNames(x11_display, XkbSymbolsNameMask, kbd); + XkbGetNames(x11_display, XkbGroupNamesMask, kbd); + + int _group_count = 0; + const Atom *groups = kbd->names->groups; + if (kbd->ctrls != nullptr) { + _group_count = kbd->ctrls->num_groups; + } else { + while (_group_count < XkbNumKbdGroups && groups[_group_count] != None) { + _group_count++; + } + } + + Atom names = kbd->names->symbols; + if (names != None) { + Vector<String> info = get_atom_name(x11_display, names).split("+"); + if (p_index >= 0 && p_index < _group_count) { + if (p_index + 1 < info.size()) { + ret = info[p_index + 1]; // Skip "pc" at the start and "inet"/"group" at the end of symbols. + } else { + ret = "en"; // No symbol for layout fallback to "en". + } + } else { + ERR_PRINT("Index " + itos(p_index) + "is out of bounds (" + itos(_group_count) + ")."); + } + } + XkbFreeKeyboard(kbd, 0, true); + } + return ret.substr(0, 2); +} + +String DisplayServerX11::keyboard_get_layout_name(int p_index) const { + String ret; + XkbDescRec *kbd = XkbAllocKeyboard(); + if (kbd) { + kbd->dpy = x11_display; + XkbGetControls(x11_display, XkbAllControlsMask, kbd); + XkbGetNames(x11_display, XkbSymbolsNameMask, kbd); + XkbGetNames(x11_display, XkbGroupNamesMask, kbd); + + int _group_count = 0; + const Atom *groups = kbd->names->groups; + if (kbd->ctrls != nullptr) { + _group_count = kbd->ctrls->num_groups; + } else { + while (_group_count < XkbNumKbdGroups && groups[_group_count] != None) { + _group_count++; + } + } + + if (p_index >= 0 && p_index < _group_count) { + ret = get_atom_name(x11_display, groups[p_index]); + } else { + ERR_PRINT("Index " + itos(p_index) + "is out of bounds (" + itos(_group_count) + ")."); + } + XkbFreeKeyboard(kbd, 0, true); + } + return ret; +} + +Key DisplayServerX11::keyboard_get_keycode_from_physical(Key p_keycode) const { + Key modifiers = p_keycode & KeyModifierMask::MODIFIER_MASK; + Key keycode_no_mod = p_keycode & KeyModifierMask::CODE_MASK; + unsigned int xkeycode = KeyMappingX11::get_xlibcode(keycode_no_mod); + KeySym xkeysym = XkbKeycodeToKeysym(x11_display, xkeycode, 0, 0); + if (is_ascii_lower_case(xkeysym)) { + xkeysym -= ('a' - 'A'); + } + + Key key = KeyMappingX11::get_keycode(xkeysym); + // If not found, fallback to QWERTY. + // This should match the behavior of the event pump + if (key == Key::NONE) { + return p_keycode; + } + return (Key)(key | modifiers); +} + +DisplayServerX11::Property DisplayServerX11::_read_property(Display *p_display, Window p_window, Atom p_property) { + Atom actual_type = None; + int actual_format = 0; + unsigned long nitems = 0; + unsigned long bytes_after = 0; + unsigned char *ret = nullptr; + + // Keep trying to read the property until there are no bytes unread. + if (p_property != None) { + int read_bytes = 1024; + do { + if (ret != nullptr) { + XFree(ret); + } + + XGetWindowProperty(p_display, p_window, p_property, 0, read_bytes, False, AnyPropertyType, + &actual_type, &actual_format, &nitems, &bytes_after, + &ret); + + read_bytes *= 2; + + } while (bytes_after != 0); + } + + Property p = { ret, actual_format, (int)nitems, actual_type }; + + return p; +} + +static Atom pick_target_from_list(Display *p_display, const Atom *p_list, int p_count) { + static const char *target_type = "text/uri-list"; + + for (int i = 0; i < p_count; i++) { + Atom atom = p_list[i]; + + if (atom != None && get_atom_name(p_display, atom) == target_type) { + return atom; + } + } + return None; +} + +static Atom pick_target_from_atoms(Display *p_disp, Atom p_t1, Atom p_t2, Atom p_t3) { + static const char *target_type = "text/uri-list"; + if (p_t1 != None && get_atom_name(p_disp, p_t1) == target_type) { + return p_t1; + } + + if (p_t2 != None && get_atom_name(p_disp, p_t2) == target_type) { + return p_t2; + } + + if (p_t3 != None && get_atom_name(p_disp, p_t3) == target_type) { + return p_t3; + } + + return None; +} + +void DisplayServerX11::_get_key_modifier_state(unsigned int p_x11_state, Ref<InputEventWithModifiers> state) { + state->set_shift_pressed((p_x11_state & ShiftMask)); + state->set_ctrl_pressed((p_x11_state & ControlMask)); + state->set_alt_pressed((p_x11_state & Mod1Mask /*|| p_x11_state&Mod5Mask*/)); //altgr should not count as alt + state->set_meta_pressed((p_x11_state & Mod4Mask)); +} + +MouseButton DisplayServerX11::_get_mouse_button_state(MouseButton p_x11_button, int p_x11_type) { + MouseButton mask = mouse_button_to_mask(p_x11_button); + + if (p_x11_type == ButtonPress) { + last_button_state |= mask; + } else { + last_button_state &= ~mask; + } + + return last_button_state; +} + +void DisplayServerX11::_handle_key_event(WindowID p_window, XKeyEvent *p_event, LocalVector<XEvent> &p_events, uint32_t &p_event_index, bool p_echo) { + WindowData wd = windows[p_window]; + // X11 functions don't know what const is + XKeyEvent *xkeyevent = p_event; + + // This code was pretty difficult to write. + // The docs stink and every toolkit seems to + // do it in a different way. + + /* Phase 1, obtain a proper keysym */ + + // This was also very difficult to figure out. + // You'd expect you could just use Keysym provided by + // XKeycodeToKeysym to obtain internationalized + // input.. WRONG!! + // you must use XLookupString (???) which not only wastes + // cycles generating an unnecessary string, but also + // still works in half the cases. (won't handle deadkeys) + // For more complex input methods (deadkeys and more advanced) + // you have to use XmbLookupString (??). + // So then you have to choose which of both results + // you want to keep. + // This is a real bizarreness and cpu waster. + + KeySym keysym_keycode = 0; // keysym used to find a keycode + KeySym keysym_unicode = 0; // keysym used to find unicode + + // XLookupString returns keysyms usable as nice keycodes. + char str[256 + 1]; + XKeyEvent xkeyevent_no_mod = *xkeyevent; + xkeyevent_no_mod.state &= ~ShiftMask; + xkeyevent_no_mod.state &= ~ControlMask; + XLookupString(xkeyevent, str, 256, &keysym_unicode, nullptr); + XLookupString(&xkeyevent_no_mod, nullptr, 0, &keysym_keycode, nullptr); + + // Meanwhile, XLookupString returns keysyms useful for unicode. + + if (!xmbstring) { + // keep a temporary buffer for the string + xmbstring = (char *)memalloc(sizeof(char) * 8); + xmblen = 8; + } + + if (xkeyevent->type == KeyPress && wd.xic) { + Status status; +#ifdef X_HAVE_UTF8_STRING + int utf8len = 8; + char *utf8string = (char *)memalloc(sizeof(char) * utf8len); + int utf8bytes = Xutf8LookupString(wd.xic, xkeyevent, utf8string, + utf8len - 1, &keysym_unicode, &status); + if (status == XBufferOverflow) { + utf8len = utf8bytes + 1; + utf8string = (char *)memrealloc(utf8string, utf8len); + utf8bytes = Xutf8LookupString(wd.xic, xkeyevent, utf8string, + utf8len - 1, &keysym_unicode, &status); + } + utf8string[utf8bytes] = '\0'; + + if (status == XLookupChars) { + bool keypress = xkeyevent->type == KeyPress; + Key keycode = KeyMappingX11::get_keycode(keysym_keycode); + Key physical_keycode = KeyMappingX11::get_scancode(xkeyevent->keycode); + + if (keycode >= Key::A + 32 && keycode <= Key::Z + 32) { + keycode -= 'a' - 'A'; + } + + String tmp; + tmp.parse_utf8(utf8string, utf8bytes); + for (int i = 0; i < tmp.length(); i++) { + Ref<InputEventKey> k; + k.instantiate(); + if (physical_keycode == Key::NONE && keycode == Key::NONE && tmp[i] == 0) { + continue; + } + + if (keycode == Key::NONE) { + keycode = (Key)physical_keycode; + } + + _get_key_modifier_state(xkeyevent->state, k); + + k->set_window_id(p_window); + k->set_unicode(tmp[i]); + + k->set_pressed(keypress); + + k->set_keycode(keycode); + + k->set_physical_keycode((Key)physical_keycode); + + k->set_echo(false); + + if (k->get_keycode() == Key::BACKTAB) { + //make it consistent across platforms. + k->set_keycode(Key::TAB); + k->set_physical_keycode(Key::TAB); + k->set_shift_pressed(true); + } + + Input::get_singleton()->parse_input_event(k); + } + memfree(utf8string); + return; + } + memfree(utf8string); +#else + do { + int mnbytes = XmbLookupString(xic, xkeyevent, xmbstring, xmblen - 1, &keysym_unicode, &status); + xmbstring[mnbytes] = '\0'; + + if (status == XBufferOverflow) { + xmblen = mnbytes + 1; + xmbstring = (char *)memrealloc(xmbstring, xmblen); + } + } while (status == XBufferOverflow); +#endif + } + + /* Phase 2, obtain a Godot keycode from the keysym */ + + // KeyMappingX11 just translated the X11 keysym to a PIGUI + // keysym, so it works in all platforms the same. + + Key keycode = KeyMappingX11::get_keycode(keysym_keycode); + Key physical_keycode = KeyMappingX11::get_scancode(xkeyevent->keycode); + + /* Phase 3, obtain a unicode character from the keysym */ + + // KeyMappingX11 also translates keysym to unicode. + // It does a binary search on a table to translate + // most properly. + unsigned int unicode = keysym_unicode > 0 ? KeyMappingX11::get_unicode_from_keysym(keysym_unicode) : 0; + + /* Phase 4, determine if event must be filtered */ + + // This seems to be a side-effect of using XIM. + // XFilterEvent looks like a core X11 function, + // but it's actually just used to see if we must + // ignore a deadkey, or events XIM determines + // must not reach the actual gui. + // Guess it was a design problem of the extension + + bool keypress = xkeyevent->type == KeyPress; + + if (physical_keycode == Key::NONE && keycode == Key::NONE && unicode == 0) { + return; + } + + if (keycode == Key::NONE) { + keycode = (Key)physical_keycode; + } + + /* Phase 5, determine modifier mask */ + + // No problems here, except I had no way to + // know Mod1 was ALT and Mod4 was META (applekey/winkey) + // just tried Mods until i found them. + + //print_verbose("mod1: "+itos(xkeyevent->state&Mod1Mask)+" mod 5: "+itos(xkeyevent->state&Mod5Mask)); + + Ref<InputEventKey> k; + k.instantiate(); + k->set_window_id(p_window); + + _get_key_modifier_state(xkeyevent->state, k); + + /* Phase 6, determine echo character */ + + // Echo characters in X11 are a keyrelease and a keypress + // one after the other with the (almot) same timestamp. + // To detect them, i compare to the next event in list and + // check that their difference in time is below a threshold. + + if (xkeyevent->type != KeyPress) { + p_echo = false; + + // make sure there are events pending, + // so this call won't block. + if (p_event_index + 1 < p_events.size()) { + XEvent &peek_event = p_events[p_event_index + 1]; + + // I'm using a threshold of 5 msecs, + // since sometimes there seems to be a little + // jitter. I'm still not convinced that all this approach + // is correct, but the xorg developers are + // not very helpful today. + +#define ABSDIFF(x, y) (((x) < (y)) ? ((y) - (x)) : ((x) - (y))) + ::Time threshold = ABSDIFF(peek_event.xkey.time, xkeyevent->time); +#undef ABSDIFF + if (peek_event.type == KeyPress && threshold < 5) { + KeySym rk; + XLookupString((XKeyEvent *)&peek_event, str, 256, &rk, nullptr); + if (rk == keysym_keycode) { + // Consume to next event. + ++p_event_index; + _handle_key_event(p_window, (XKeyEvent *)&peek_event, p_events, p_event_index, true); + return; //ignore current, echo next + } + } + + // use the time from peek_event so it always works + } + + // save the time to check for echo when keypress happens + } + + /* Phase 7, send event to Window */ + + k->set_pressed(keypress); + + if (keycode >= Key::A + 32 && keycode <= Key::Z + 32) { + keycode -= int('a' - 'A'); + } + + k->set_keycode(keycode); + k->set_physical_keycode((Key)physical_keycode); + k->set_unicode(unicode); + k->set_echo(p_echo); + + if (k->get_keycode() == Key::BACKTAB) { + //make it consistent across platforms. + k->set_keycode(Key::TAB); + k->set_physical_keycode(Key::TAB); + k->set_shift_pressed(true); + } + + //don't set mod state if modifier keys are released by themselves + //else event.is_action() will not work correctly here + if (!k->is_pressed()) { + if (k->get_keycode() == Key::SHIFT) { + k->set_shift_pressed(false); + } else if (k->get_keycode() == Key::CTRL) { + k->set_ctrl_pressed(false); + } else if (k->get_keycode() == Key::ALT) { + k->set_alt_pressed(false); + } else if (k->get_keycode() == Key::META) { + k->set_meta_pressed(false); + } + } + + bool last_is_pressed = Input::get_singleton()->is_key_pressed(k->get_keycode()); + if (k->is_pressed()) { + if (last_is_pressed) { + k->set_echo(true); + } + } + + Input::get_singleton()->parse_input_event(k); +} + +Atom DisplayServerX11::_process_selection_request_target(Atom p_target, Window p_requestor, Atom p_property, Atom p_selection) const { + if (p_target == XInternAtom(x11_display, "TARGETS", 0)) { + // Request to list all supported targets. + Atom data[9]; + data[0] = XInternAtom(x11_display, "TARGETS", 0); + data[1] = XInternAtom(x11_display, "SAVE_TARGETS", 0); + data[2] = XInternAtom(x11_display, "MULTIPLE", 0); + data[3] = XInternAtom(x11_display, "UTF8_STRING", 0); + data[4] = XInternAtom(x11_display, "COMPOUND_TEXT", 0); + data[5] = XInternAtom(x11_display, "TEXT", 0); + data[6] = XA_STRING; + data[7] = XInternAtom(x11_display, "text/plain;charset=utf-8", 0); + data[8] = XInternAtom(x11_display, "text/plain", 0); + + XChangeProperty(x11_display, + p_requestor, + p_property, + XA_ATOM, + 32, + PropModeReplace, + (unsigned char *)&data, + sizeof(data) / sizeof(data[0])); + return p_property; + } else if (p_target == XInternAtom(x11_display, "SAVE_TARGETS", 0)) { + // Request to check if SAVE_TARGETS is supported, nothing special to do. + XChangeProperty(x11_display, + p_requestor, + p_property, + XInternAtom(x11_display, "NULL", False), + 32, + PropModeReplace, + nullptr, + 0); + return p_property; + } else if (p_target == XInternAtom(x11_display, "UTF8_STRING", 0) || + p_target == XInternAtom(x11_display, "COMPOUND_TEXT", 0) || + p_target == XInternAtom(x11_display, "TEXT", 0) || + p_target == XA_STRING || + p_target == XInternAtom(x11_display, "text/plain;charset=utf-8", 0) || + p_target == XInternAtom(x11_display, "text/plain", 0)) { + // Directly using internal clipboard because we know our window + // is the owner during a selection request. + CharString clip; + static const char *target_type = "PRIMARY"; + if (p_selection != None && get_atom_name(x11_display, p_selection) == target_type) { + clip = internal_clipboard_primary.utf8(); + } else { + clip = internal_clipboard.utf8(); + } + XChangeProperty(x11_display, + p_requestor, + p_property, + p_target, + 8, + PropModeReplace, + (unsigned char *)clip.get_data(), + clip.length()); + return p_property; + } else { + char *target_name = XGetAtomName(x11_display, p_target); + printf("Target '%s' not supported.\n", target_name); + if (target_name) { + XFree(target_name); + } + return None; + } +} + +void DisplayServerX11::_handle_selection_request_event(XSelectionRequestEvent *p_event) const { + XEvent respond; + if (p_event->target == XInternAtom(x11_display, "MULTIPLE", 0)) { + // Request for multiple target conversions at once. + Atom atom_pair = XInternAtom(x11_display, "ATOM_PAIR", False); + respond.xselection.property = None; + + Atom type; + int format; + unsigned long len; + unsigned long remaining; + unsigned char *data = nullptr; + if (XGetWindowProperty(x11_display, p_event->requestor, p_event->property, 0, LONG_MAX, False, atom_pair, &type, &format, &len, &remaining, &data) == Success) { + if ((len >= 2) && data) { + Atom *targets = (Atom *)data; + for (uint64_t i = 0; i < len; i += 2) { + Atom target = targets[i]; + Atom &property = targets[i + 1]; + property = _process_selection_request_target(target, p_event->requestor, property, p_event->selection); + } + + XChangeProperty(x11_display, + p_event->requestor, + p_event->property, + atom_pair, + 32, + PropModeReplace, + (unsigned char *)targets, + len); + + respond.xselection.property = p_event->property; + } + XFree(data); + } + } else { + // Request for target conversion. + respond.xselection.property = _process_selection_request_target(p_event->target, p_event->requestor, p_event->property, p_event->selection); + } + + respond.xselection.type = SelectionNotify; + respond.xselection.display = p_event->display; + respond.xselection.requestor = p_event->requestor; + respond.xselection.selection = p_event->selection; + respond.xselection.target = p_event->target; + respond.xselection.time = p_event->time; + + XSendEvent(x11_display, p_event->requestor, True, NoEventMask, &respond); + XFlush(x11_display); +} + +void DisplayServerX11::_xim_destroy_callback(::XIM im, ::XPointer client_data, + ::XPointer call_data) { + WARN_PRINT("Input method stopped"); + DisplayServerX11 *ds = reinterpret_cast<DisplayServerX11 *>(client_data); + ds->xim = nullptr; + + for (KeyValue<WindowID, WindowData> &E : ds->windows) { + E.value.xic = nullptr; + } +} + +void DisplayServerX11::_window_changed(XEvent *event) { + WindowID window_id = MAIN_WINDOW_ID; + + // Assign the event to the relevant window + for (const KeyValue<WindowID, WindowData> &E : windows) { + if (event->xany.window == E.value.x11_window) { + window_id = E.key; + break; + } + } + + Rect2i new_rect; + + WindowData &wd = windows[window_id]; + if (wd.x11_window != event->xany.window) { // Check if the correct window, in case it was not main window or anything else + return; + } + + // Query display server about a possible new window state. + wd.fullscreen = _window_fullscreen_check(window_id); + wd.minimized = _window_minimize_check(window_id); + wd.maximized = _window_maximize_check(window_id, "_NET_WM_STATE"); + + { + //the position in xconfigure is not useful here, obtain it manually + int x = 0, y = 0; + Window child; + XTranslateCoordinates(x11_display, wd.x11_window, DefaultRootWindow(x11_display), 0, 0, &x, &y, &child); + new_rect.position.x = x; + new_rect.position.y = y; + + new_rect.size.width = event->xconfigure.width; + new_rect.size.height = event->xconfigure.height; + } + + if (new_rect == Rect2i(wd.position, wd.size)) { + return; + } + if (wd.xic) { + // Not portable. + window_set_ime_position(Point2(0, 1)); + } + + wd.position = new_rect.position; + wd.size = new_rect.size; + +#if defined(VULKAN_ENABLED) + if (context_vulkan) { + context_vulkan->window_resize(window_id, wd.size.width, wd.size.height); + } +#endif +#if defined(GLES3_ENABLED) + if (gl_manager) { + gl_manager->window_resize(window_id, wd.size.width, wd.size.height); + } +#endif + + if (!wd.rect_changed_callback.is_null()) { + Rect2i r = new_rect; + + Variant rect = r; + + Variant *rectp = ▭ + Variant ret; + Callable::CallError ce; + wd.rect_changed_callback.callp((const Variant **)&rectp, 1, ret, ce); + } +} + +DisplayServer::WindowID DisplayServerX11::_get_focused_window_or_popup() const { + const List<WindowID>::Element *E = popup_list.back(); + if (E) { + return E->get(); + } + + return last_focused_window; +} + +void DisplayServerX11::_dispatch_input_events(const Ref<InputEvent> &p_event) { + static_cast<DisplayServerX11 *>(get_singleton())->_dispatch_input_event(p_event); +} + +void DisplayServerX11::_dispatch_input_event(const Ref<InputEvent> &p_event) { + Variant ev = p_event; + Variant *evp = &ev; + Variant ret; + Callable::CallError ce; + + { + List<WindowID>::Element *E = popup_list.back(); + if (E && Object::cast_to<InputEventKey>(*p_event)) { + // Redirect keyboard input to active popup. + if (windows.has(E->get())) { + Callable callable = windows[E->get()].input_event_callback; + if (callable.is_valid()) { + callable.callp((const Variant **)&evp, 1, ret, ce); + } + } + return; + } + } + + Ref<InputEventFromWindow> event_from_window = p_event; + if (event_from_window.is_valid() && event_from_window->get_window_id() != INVALID_WINDOW_ID) { + // Send to a single window. + if (windows.has(event_from_window->get_window_id())) { + Callable callable = windows[event_from_window->get_window_id()].input_event_callback; + if (callable.is_valid()) { + callable.callp((const Variant **)&evp, 1, ret, ce); + } + } + } else { + // Send to all windows. + for (KeyValue<WindowID, WindowData> &E : windows) { + Callable callable = E.value.input_event_callback; + if (callable.is_valid()) { + callable.callp((const Variant **)&evp, 1, ret, ce); + } + } + } +} + +void DisplayServerX11::_send_window_event(const WindowData &wd, WindowEvent p_event) { + if (!wd.event_callback.is_null()) { + Variant event = int(p_event); + Variant *eventp = &event; + Variant ret; + Callable::CallError ce; + wd.event_callback.callp((const Variant **)&eventp, 1, ret, ce); + } +} + +void DisplayServerX11::_poll_events_thread(void *ud) { + DisplayServerX11 *display_server = static_cast<DisplayServerX11 *>(ud); + display_server->_poll_events(); +} + +Bool DisplayServerX11::_predicate_all_events(Display *display, XEvent *event, XPointer arg) { + // Just accept all events. + return True; +} + +bool DisplayServerX11::_wait_for_events() const { + int x11_fd = ConnectionNumber(x11_display); + fd_set in_fds; + + XFlush(x11_display); + + FD_ZERO(&in_fds); + FD_SET(x11_fd, &in_fds); + + struct timeval tv; + tv.tv_usec = 0; + tv.tv_sec = 1; + + // Wait for next event or timeout. + int num_ready_fds = select(x11_fd + 1, &in_fds, nullptr, nullptr, &tv); + + if (num_ready_fds > 0) { + // Event received. + return true; + } else { + // Error or timeout. + if (num_ready_fds < 0) { + ERR_PRINT("_wait_for_events: select error: " + itos(errno)); + } + return false; + } +} + +void DisplayServerX11::_poll_events() { + while (!events_thread_done.is_set()) { + _wait_for_events(); + + // Process events from the queue. + { + MutexLock mutex_lock(events_mutex); + + _check_pending_events(polled_events); + } + } +} + +void DisplayServerX11::_check_pending_events(LocalVector<XEvent> &r_events) { + // Flush to make sure to gather all pending events. + XFlush(x11_display); + + // Non-blocking wait for next event and remove it from the queue. + XEvent ev = {}; + while (XCheckIfEvent(x11_display, &ev, _predicate_all_events, nullptr)) { + // Check if the input manager wants to process the event. + if (XFilterEvent(&ev, None)) { + // Event has been filtered by the Input Manager, + // it has to be ignored and a new one will be received. + continue; + } + + // Handle selection request events directly in the event thread, because + // communication through the x server takes several events sent back and forth + // and we don't want to block other programs while processing only one each frame. + if (ev.type == SelectionRequest) { + _handle_selection_request_event(&(ev.xselectionrequest)); + continue; + } + + r_events.push_back(ev); + } +} + +DisplayServer::WindowID DisplayServerX11::window_get_active_popup() const { + const List<WindowID>::Element *E = popup_list.back(); + if (E) { + return E->get(); + } else { + return INVALID_WINDOW_ID; + } +} + +void DisplayServerX11::window_set_popup_safe_rect(WindowID p_window, const Rect2i &p_rect) { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND(!windows.has(p_window)); + WindowData &wd = windows[p_window]; + wd.parent_safe_rect = p_rect; +} + +Rect2i DisplayServerX11::window_get_popup_safe_rect(WindowID p_window) const { + _THREAD_SAFE_METHOD_ + + ERR_FAIL_COND_V(!windows.has(p_window), Rect2i()); + const WindowData &wd = windows[p_window]; + return wd.parent_safe_rect; +} + +void DisplayServerX11::popup_open(WindowID p_window) { + _THREAD_SAFE_METHOD_ + + WindowData &wd = windows[p_window]; + if (wd.is_popup) { + // Find current popup parent, or root popup if new window is not transient. + List<WindowID>::Element *C = nullptr; + List<WindowID>::Element *E = popup_list.back(); + while (E) { + if (wd.transient_parent != E->get() || wd.transient_parent == INVALID_WINDOW_ID) { + C = E; + E = E->prev(); + } else { + break; + } + } + if (C) { + _send_window_event(windows[C->get()], DisplayServerX11::WINDOW_EVENT_CLOSE_REQUEST); + } + + time_since_popup = OS::get_singleton()->get_ticks_msec(); + popup_list.push_back(p_window); + } +} + +void DisplayServerX11::popup_close(WindowID p_window) { + _THREAD_SAFE_METHOD_ + + List<WindowID>::Element *E = popup_list.find(p_window); + while (E) { + List<WindowID>::Element *F = E->next(); + WindowID win_id = E->get(); + popup_list.erase(E); + + _send_window_event(windows[win_id], DisplayServerX11::WINDOW_EVENT_CLOSE_REQUEST); + E = F; + } +} + +bool DisplayServerX11::mouse_process_popups() { + _THREAD_SAFE_METHOD_ + + if (popup_list.is_empty()) { + return false; + } + + uint64_t delta = OS::get_singleton()->get_ticks_msec() - time_since_popup; + if (delta < 250) { + return false; + } + + int number_of_screens = XScreenCount(x11_display); + bool closed = false; + for (int i = 0; i < number_of_screens; i++) { + Window root, child; + int root_x, root_y, win_x, win_y; + unsigned int mask; + if (XQueryPointer(x11_display, XRootWindow(x11_display, i), &root, &child, &root_x, &root_y, &win_x, &win_y, &mask)) { + XWindowAttributes root_attrs; + XGetWindowAttributes(x11_display, root, &root_attrs); + Vector2i pos = Vector2i(root_attrs.x + root_x, root_attrs.y + root_y); + if ((pos != last_mouse_monitor_pos) || (mask != last_mouse_monitor_mask)) { + if (((mask & Button1Mask) || (mask & Button2Mask) || (mask & Button3Mask) || (mask & Button4Mask) || (mask & Button5Mask))) { + List<WindowID>::Element *C = nullptr; + List<WindowID>::Element *E = popup_list.back(); + // Find top popup to close. + while (E) { + // Popup window area. + Rect2i win_rect = Rect2i(window_get_position(E->get()), window_get_size(E->get())); + // Area of the parent window, which responsible for opening sub-menu. + Rect2i safe_rect = window_get_popup_safe_rect(E->get()); + if (win_rect.has_point(pos)) { + break; + } else if (safe_rect != Rect2i() && safe_rect.has_point(pos)) { + break; + } else { + C = E; + E = E->prev(); + } + } + if (C) { + _send_window_event(windows[C->get()], DisplayServerX11::WINDOW_EVENT_CLOSE_REQUEST); + closed = true; + } + } + } + last_mouse_monitor_mask = mask; + last_mouse_monitor_pos = pos; + } + } + return closed; +} + +void DisplayServerX11::process_events() { + _THREAD_SAFE_METHOD_ + +#ifdef DISPLAY_SERVER_X11_DEBUG_LOGS_ENABLED + static int frame = 0; + ++frame; +#endif + + bool ignore_events = mouse_process_popups(); + + if (app_focused) { + //verify that one of the windows has focus, else send focus out notification + bool focus_found = false; + for (const KeyValue<WindowID, WindowData> &E : windows) { + if (E.value.focused) { + focus_found = true; + break; + } + } + + if (!focus_found) { + uint64_t delta = OS::get_singleton()->get_ticks_msec() - time_since_no_focus; + + if (delta > 250) { + //X11 can go between windows and have no focus for a while, when creating them or something else. Use this as safety to avoid unnecessary focus in/outs. + if (OS::get_singleton()->get_main_loop()) { + DEBUG_LOG_X11("All focus lost, triggering NOTIFICATION_APPLICATION_FOCUS_OUT\n"); + OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_FOCUS_OUT); + } + app_focused = false; + } + } else { + time_since_no_focus = OS::get_singleton()->get_ticks_msec(); + } + } + + do_mouse_warp = false; + + // Is the current mouse mode one where it needs to be grabbed. + bool mouse_mode_grab = mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED || mouse_mode == MOUSE_MODE_CONFINED_HIDDEN; + + xi.pressure = 0; + xi.tilt = Vector2(); + xi.pressure_supported = false; + + LocalVector<XEvent> events; + { + // Block events polling while flushing events. + MutexLock mutex_lock(events_mutex); + events = polled_events; + polled_events.clear(); + + // Check for more pending events to avoid an extra frame delay. + _check_pending_events(events); + } + + for (uint32_t event_index = 0; event_index < events.size(); ++event_index) { + XEvent &event = events[event_index]; + if (ignore_events) { + XFreeEventData(x11_display, &event.xcookie); + continue; + } + + WindowID window_id = MAIN_WINDOW_ID; + + // Assign the event to the relevant window + for (const KeyValue<WindowID, WindowData> &E : windows) { + if (event.xany.window == E.value.x11_window) { + window_id = E.key; + break; + } + } + + if (XGetEventData(x11_display, &event.xcookie)) { + if (event.xcookie.type == GenericEvent && event.xcookie.extension == xi.opcode) { + XIDeviceEvent *event_data = (XIDeviceEvent *)event.xcookie.data; + int index = event_data->detail; + Vector2 pos = Vector2(event_data->event_x, event_data->event_y); + + switch (event_data->evtype) { + case XI_HierarchyChanged: + case XI_DeviceChanged: { + _refresh_device_info(); + } break; + case XI_RawMotion: { + XIRawEvent *raw_event = (XIRawEvent *)event_data; + int device_id = raw_event->sourceid; + + // Determine the axis used (called valuators in XInput for some forsaken reason) + // Mask is a bitmask indicating which axes are involved. + // We are interested in the values of axes 0 and 1. + if (raw_event->valuators.mask_len <= 0) { + break; + } + + const double *values = raw_event->raw_values; + + double rel_x = 0.0; + double rel_y = 0.0; + + if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_ABSX)) { + rel_x = *values; + values++; + } + + if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_ABSY)) { + rel_y = *values; + values++; + } + + if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_PRESSURE)) { + HashMap<int, Vector2>::Iterator pen_pressure = xi.pen_pressure_range.find(device_id); + if (pen_pressure) { + Vector2 pen_pressure_range = pen_pressure->value; + if (pen_pressure_range != Vector2()) { + xi.pressure_supported = true; + xi.pressure = (*values - pen_pressure_range[0]) / + (pen_pressure_range[1] - pen_pressure_range[0]); + } + } + + values++; + } + + if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_TILTX)) { + HashMap<int, Vector2>::Iterator pen_tilt_x = xi.pen_tilt_x_range.find(device_id); + if (pen_tilt_x) { + Vector2 pen_tilt_x_range = pen_tilt_x->value; + if (pen_tilt_x_range[0] != 0 && *values < 0) { + xi.tilt.x = *values / -pen_tilt_x_range[0]; + } else if (pen_tilt_x_range[1] != 0) { + xi.tilt.x = *values / pen_tilt_x_range[1]; + } + } + + values++; + } + + if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_TILTY)) { + HashMap<int, Vector2>::Iterator pen_tilt_y = xi.pen_tilt_y_range.find(device_id); + if (pen_tilt_y) { + Vector2 pen_tilt_y_range = pen_tilt_y->value; + if (pen_tilt_y_range[0] != 0 && *values < 0) { + xi.tilt.y = *values / -pen_tilt_y_range[0]; + } else if (pen_tilt_y_range[1] != 0) { + xi.tilt.y = *values / pen_tilt_y_range[1]; + } + } + + values++; + } + + HashMap<int, bool>::Iterator pen_inverted = xi.pen_inverted_devices.find(device_id); + if (pen_inverted) { + xi.pen_inverted = pen_inverted->value; + } + + // https://bugs.freedesktop.org/show_bug.cgi?id=71609 + // http://lists.libsdl.org/pipermail/commits-libsdl.org/2015-June/000282.html + if (raw_event->time == xi.last_relative_time && rel_x == xi.relative_motion.x && rel_y == xi.relative_motion.y) { + break; // Flush duplicate to avoid overly fast motion + } + + xi.old_raw_pos.x = xi.raw_pos.x; + xi.old_raw_pos.y = xi.raw_pos.y; + xi.raw_pos.x = rel_x; + xi.raw_pos.y = rel_y; + + HashMap<int, Vector2>::Iterator abs_info = xi.absolute_devices.find(device_id); + + if (abs_info) { + // Absolute mode device + Vector2 mult = abs_info->value; + + xi.relative_motion.x += (xi.raw_pos.x - xi.old_raw_pos.x) * mult.x; + xi.relative_motion.y += (xi.raw_pos.y - xi.old_raw_pos.y) * mult.y; + } else { + // Relative mode device + xi.relative_motion.x = xi.raw_pos.x; + xi.relative_motion.y = xi.raw_pos.y; + } + + xi.last_relative_time = raw_event->time; + } break; +#ifdef TOUCH_ENABLED + case XI_TouchBegin: + case XI_TouchEnd: { + bool is_begin = event_data->evtype == XI_TouchBegin; + + Ref<InputEventScreenTouch> st; + st.instantiate(); + st->set_window_id(window_id); + st->set_index(index); + st->set_position(pos); + st->set_pressed(is_begin); + + if (is_begin) { + if (xi.state.has(index)) { // Defensive + break; + } + xi.state[index] = pos; + if (xi.state.size() == 1) { + // X11 may send a motion event when a touch gesture begins, that would result + // in a spurious mouse motion event being sent to Godot; remember it to be able to filter it out + xi.mouse_pos_to_filter = pos; + } + Input::get_singleton()->parse_input_event(st); + } else { + if (!xi.state.has(index)) { // Defensive + break; + } + xi.state.erase(index); + Input::get_singleton()->parse_input_event(st); + } + } break; + + case XI_TouchUpdate: { + HashMap<int, Vector2>::Iterator curr_pos_elem = xi.state.find(index); + if (!curr_pos_elem) { // Defensive + break; + } + + if (curr_pos_elem->value != pos) { + Ref<InputEventScreenDrag> sd; + sd.instantiate(); + sd->set_window_id(window_id); + sd->set_index(index); + sd->set_position(pos); + sd->set_relative(pos - curr_pos_elem->value); + Input::get_singleton()->parse_input_event(sd); + + curr_pos_elem->value = pos; + } + } break; +#endif + } + } + } + XFreeEventData(x11_display, &event.xcookie); + + switch (event.type) { + case MapNotify: { + DEBUG_LOG_X11("[%u] MapNotify window=%lu (%u) \n", frame, event.xmap.window, window_id); + + const WindowData &wd = windows[window_id]; + + XWindowAttributes xwa; + XSync(x11_display, False); + XGetWindowAttributes(x11_display, wd.x11_window, &xwa); + + // Set focus when menu window is started. + // RevertToPointerRoot is used to make sure we don't lose all focus in case + // a subwindow and its parent are both destroyed. + if ((xwa.map_state == IsViewable) && !wd.no_focus && !wd.is_popup) { + XSetInputFocus(x11_display, wd.x11_window, RevertToPointerRoot, CurrentTime); + } + + // Have we failed to set fullscreen while the window was unmapped? + _validate_mode_on_map(window_id); + } break; + + case Expose: { + DEBUG_LOG_X11("[%u] Expose window=%lu (%u), count='%u' \n", frame, event.xexpose.window, window_id, event.xexpose.count); + + windows[window_id].fullscreen = _window_fullscreen_check(window_id); + + Main::force_redraw(); + } break; + + case NoExpose: { + DEBUG_LOG_X11("[%u] NoExpose drawable=%lu (%u) \n", frame, event.xnoexpose.drawable, window_id); + + windows[window_id].minimized = true; + } break; + + case VisibilityNotify: { + DEBUG_LOG_X11("[%u] VisibilityNotify window=%lu (%u), state=%u \n", frame, event.xvisibility.window, window_id, event.xvisibility.state); + + windows[window_id].minimized = _window_minimize_check(window_id); + } break; + + case LeaveNotify: { + DEBUG_LOG_X11("[%u] LeaveNotify window=%lu (%u), mode='%u' \n", frame, event.xcrossing.window, window_id, event.xcrossing.mode); + + if (!mouse_mode_grab) { + _send_window_event(windows[window_id], WINDOW_EVENT_MOUSE_EXIT); + } + + } break; + + case EnterNotify: { + DEBUG_LOG_X11("[%u] EnterNotify window=%lu (%u), mode='%u' \n", frame, event.xcrossing.window, window_id, event.xcrossing.mode); + + if (!mouse_mode_grab) { + _send_window_event(windows[window_id], WINDOW_EVENT_MOUSE_ENTER); + } + } break; + + case FocusIn: { + DEBUG_LOG_X11("[%u] FocusIn window=%lu (%u), mode='%u' \n", frame, event.xfocus.window, window_id, event.xfocus.mode); + + WindowData &wd = windows[window_id]; + last_focused_window = window_id; + wd.focused = true; + + if (wd.xic) { + // Block events polling while changing input focus + // because it triggers some event polling internally. + MutexLock mutex_lock(events_mutex); + XSetICFocus(wd.xic); + } + + // Keep track of focus order for overlapping windows. + static unsigned int focus_order = 0; + wd.focus_order = ++focus_order; + + _send_window_event(wd, WINDOW_EVENT_FOCUS_IN); + + if (mouse_mode_grab) { + // Show and update the cursor if confined and the window regained focus. + + for (const KeyValue<WindowID, WindowData> &E : windows) { + if (mouse_mode == MOUSE_MODE_CONFINED) { + XUndefineCursor(x11_display, E.value.x11_window); + } else if (mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED_HIDDEN) { // Or re-hide it. + XDefineCursor(x11_display, E.value.x11_window, null_cursor); + } + + XGrabPointer( + x11_display, E.value.x11_window, True, + ButtonPressMask | ButtonReleaseMask | PointerMotionMask, + GrabModeAsync, GrabModeAsync, E.value.x11_window, None, CurrentTime); + } + } +#ifdef TOUCH_ENABLED + // Grab touch devices to avoid OS gesture interference + /*for (int i = 0; i < xi.touch_devices.size(); ++i) { + XIGrabDevice(x11_display, xi.touch_devices[i], x11_window, CurrentTime, None, XIGrabModeAsync, XIGrabModeAsync, False, &xi.touch_event_mask); + }*/ +#endif + + if (!app_focused) { + if (OS::get_singleton()->get_main_loop()) { + OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_FOCUS_IN); + } + app_focused = true; + } + } break; + + case FocusOut: { + DEBUG_LOG_X11("[%u] FocusOut window=%lu (%u), mode='%u' \n", frame, event.xfocus.window, window_id, event.xfocus.mode); + + WindowData &wd = windows[window_id]; + + wd.focused = false; + + if (wd.xic) { + // Block events polling while changing input focus + // because it triggers some event polling internally. + MutexLock mutex_lock(events_mutex); + XUnsetICFocus(wd.xic); + } + + Input::get_singleton()->release_pressed_events(); + _send_window_event(wd, WINDOW_EVENT_FOCUS_OUT); + + if (mouse_mode_grab) { + for (const KeyValue<WindowID, WindowData> &E : windows) { + //dear X11, I try, I really try, but you never work, you do whatever you want. + if (mouse_mode == MOUSE_MODE_CAPTURED) { + // Show the cursor if we're in captured mode so it doesn't look weird. + XUndefineCursor(x11_display, E.value.x11_window); + } + } + XUngrabPointer(x11_display, CurrentTime); + } +#ifdef TOUCH_ENABLED + // Ungrab touch devices so input works as usual while we are unfocused + /*for (int i = 0; i < xi.touch_devices.size(); ++i) { + XIUngrabDevice(x11_display, xi.touch_devices[i], CurrentTime); + }*/ + + // Release every pointer to avoid sticky points + for (const KeyValue<int, Vector2> &E : xi.state) { + Ref<InputEventScreenTouch> st; + st.instantiate(); + st->set_index(E.key); + st->set_window_id(window_id); + st->set_position(E.value); + Input::get_singleton()->parse_input_event(st); + } + xi.state.clear(); +#endif + } break; + + case ConfigureNotify: { + DEBUG_LOG_X11("[%u] ConfigureNotify window=%lu (%u), event=%lu, above=%lu, override_redirect=%u \n", frame, event.xconfigure.window, window_id, event.xconfigure.event, event.xconfigure.above, event.xconfigure.override_redirect); + + const WindowData &wd = windows[window_id]; + + XWindowAttributes xwa; + XSync(x11_display, False); + XGetWindowAttributes(x11_display, wd.x11_window, &xwa); + + // Set focus when menu window is re-used. + // RevertToPointerRoot is used to make sure we don't lose all focus in case + // a subwindow and its parent are both destroyed. + if ((xwa.map_state == IsViewable) && !wd.no_focus && !wd.is_popup) { + XSetInputFocus(x11_display, wd.x11_window, RevertToPointerRoot, CurrentTime); + } + + _window_changed(&event); + } break; + + case ButtonPress: + case ButtonRelease: { + /* exit in case of a mouse button press */ + last_timestamp = event.xbutton.time; + if (mouse_mode == MOUSE_MODE_CAPTURED) { + event.xbutton.x = last_mouse_pos.x; + event.xbutton.y = last_mouse_pos.y; + } + + Ref<InputEventMouseButton> mb; + mb.instantiate(); + + mb->set_window_id(window_id); + _get_key_modifier_state(event.xbutton.state, mb); + mb->set_button_index((MouseButton)event.xbutton.button); + if (mb->get_button_index() == MouseButton::RIGHT) { + mb->set_button_index(MouseButton::MIDDLE); + } else if (mb->get_button_index() == MouseButton::MIDDLE) { + mb->set_button_index(MouseButton::RIGHT); + } + mb->set_button_mask(_get_mouse_button_state(mb->get_button_index(), event.xbutton.type)); + mb->set_position(Vector2(event.xbutton.x, event.xbutton.y)); + mb->set_global_position(mb->get_position()); + + mb->set_pressed((event.type == ButtonPress)); + + const WindowData &wd = windows[window_id]; + + if (event.type == ButtonPress) { + DEBUG_LOG_X11("[%u] ButtonPress window=%lu (%u), button_index=%u \n", frame, event.xbutton.window, window_id, mb->get_button_index()); + + // Ensure window focus on click. + // RevertToPointerRoot is used to make sure we don't lose all focus in case + // a subwindow and its parent are both destroyed. + if (!wd.no_focus && !wd.is_popup) { + XSetInputFocus(x11_display, wd.x11_window, RevertToPointerRoot, CurrentTime); + } + + uint64_t diff = OS::get_singleton()->get_ticks_usec() / 1000 - last_click_ms; + + if (mb->get_button_index() == last_click_button_index) { + if (diff < 400 && Vector2(last_click_pos).distance_to(Vector2(event.xbutton.x, event.xbutton.y)) < 5) { + last_click_ms = 0; + last_click_pos = Point2i(-100, -100); + last_click_button_index = MouseButton::NONE; + mb->set_double_click(true); + } + + } else if (mb->get_button_index() < MouseButton::WHEEL_UP || mb->get_button_index() > MouseButton::WHEEL_RIGHT) { + last_click_button_index = mb->get_button_index(); + } + + if (!mb->is_double_click()) { + last_click_ms += diff; + last_click_pos = Point2i(event.xbutton.x, event.xbutton.y); + } + } else { + DEBUG_LOG_X11("[%u] ButtonRelease window=%lu (%u), button_index=%u \n", frame, event.xbutton.window, window_id, mb->get_button_index()); + + if (!wd.focused) { + // Propagate the event to the focused window, + // because it's received only on the topmost window. + // Note: This is needed for drag & drop to work between windows, + // because the engine expects events to keep being processed + // on the same window dragging started. + for (const KeyValue<WindowID, WindowData> &E : windows) { + const WindowData &wd_other = E.value; + WindowID window_id_other = E.key; + if (wd_other.focused) { + if (window_id_other != window_id) { + int x, y; + Window child; + XTranslateCoordinates(x11_display, wd.x11_window, wd_other.x11_window, event.xbutton.x, event.xbutton.y, &x, &y, &child); + + mb->set_window_id(window_id_other); + mb->set_position(Vector2(x, y)); + mb->set_global_position(mb->get_position()); + Input::get_singleton()->parse_input_event(mb); + } + break; + } + } + } + } + + Input::get_singleton()->parse_input_event(mb); + + } break; + case MotionNotify: { + // The X11 API requires filtering one-by-one through the motion + // notify events, in order to figure out which event is the one + // generated by warping the mouse pointer. + WindowID focused_window_id = _get_focused_window_or_popup(); + if (!windows.has(focused_window_id)) { + focused_window_id = MAIN_WINDOW_ID; + } + + while (true) { + if (mouse_mode == MOUSE_MODE_CAPTURED && event.xmotion.x == windows[focused_window_id].size.width / 2 && event.xmotion.y == windows[focused_window_id].size.height / 2) { + //this is likely the warp event since it was warped here + center = Vector2(event.xmotion.x, event.xmotion.y); + break; + } + + if (event_index + 1 < events.size()) { + const XEvent &next_event = events[event_index + 1]; + if (next_event.type == MotionNotify) { + ++event_index; + event = next_event; + } else { + break; + } + } else { + break; + } + } + + last_timestamp = event.xmotion.time; + + // Motion is also simple. + // A little hack is in order + // to be able to send relative motion events. + Point2i pos(event.xmotion.x, event.xmotion.y); + + // Avoidance of spurious mouse motion (see handling of touch) + bool filter = false; + // Adding some tolerance to match better Point2i to Vector2 + if (xi.state.size() && Vector2(pos).distance_squared_to(xi.mouse_pos_to_filter) < 2) { + filter = true; + } + // Invalidate to avoid filtering a possible legitimate similar event coming later + xi.mouse_pos_to_filter = Vector2(1e10, 1e10); + if (filter) { + break; + } + + const WindowData &wd = windows[window_id]; + bool focused = wd.focused; + + if (mouse_mode == MOUSE_MODE_CAPTURED) { + if (xi.relative_motion.x == 0 && xi.relative_motion.y == 0) { + break; + } + + Point2i new_center = pos; + pos = last_mouse_pos + xi.relative_motion; + center = new_center; + do_mouse_warp = focused; // warp the cursor if we're focused in + } + + if (!last_mouse_pos_valid) { + last_mouse_pos = pos; + last_mouse_pos_valid = true; + } + + // Hackish but relative mouse motion is already handled in the RawMotion event. + // RawMotion does not provide the absolute mouse position (whereas MotionNotify does). + // Therefore, RawMotion cannot be the authority on absolute mouse position. + // RawMotion provides more precision than MotionNotify, which doesn't sense subpixel motion. + // Therefore, MotionNotify cannot be the authority on relative mouse motion. + // This means we need to take a combined approach... + Point2i rel; + + // Only use raw input if in capture mode. Otherwise use the classic behavior. + if (mouse_mode == MOUSE_MODE_CAPTURED) { + rel = xi.relative_motion; + } else { + rel = pos - last_mouse_pos; + } + + // Reset to prevent lingering motion + xi.relative_motion.x = 0; + xi.relative_motion.y = 0; + if (mouse_mode == MOUSE_MODE_CAPTURED) { + pos = Point2i(windows[focused_window_id].size.width / 2, windows[focused_window_id].size.height / 2); + } + + Ref<InputEventMouseMotion> mm; + mm.instantiate(); + + mm->set_window_id(window_id); + if (xi.pressure_supported) { + mm->set_pressure(xi.pressure); + } else { + mm->set_pressure(bool(mouse_get_button_state() & MouseButton::MASK_LEFT) ? 1.0f : 0.0f); + } + mm->set_tilt(xi.tilt); + mm->set_pen_inverted(xi.pen_inverted); + + _get_key_modifier_state(event.xmotion.state, mm); + mm->set_button_mask((MouseButton)mouse_get_button_state()); + mm->set_position(pos); + mm->set_global_position(pos); + mm->set_velocity(Input::get_singleton()->get_last_mouse_velocity()); + + mm->set_relative(rel); + + last_mouse_pos = pos; + + // printf("rel: %d,%d\n", rel.x, rel.y ); + // Don't propagate the motion event unless we have focus + // this is so that the relative motion doesn't get messed up + // after we regain focus. + if (focused) { + Input::get_singleton()->parse_input_event(mm); + } else { + // Propagate the event to the focused window, + // because it's received only on the topmost window. + // Note: This is needed for drag & drop to work between windows, + // because the engine expects events to keep being processed + // on the same window dragging started. + for (const KeyValue<WindowID, WindowData> &E : windows) { + const WindowData &wd_other = E.value; + if (wd_other.focused) { + int x, y; + Window child; + XTranslateCoordinates(x11_display, wd.x11_window, wd_other.x11_window, event.xmotion.x, event.xmotion.y, &x, &y, &child); + + Point2i pos_focused(x, y); + + mm->set_window_id(E.key); + mm->set_position(pos_focused); + mm->set_global_position(pos_focused); + mm->set_velocity(Input::get_singleton()->get_last_mouse_velocity()); + Input::get_singleton()->parse_input_event(mm); + + break; + } + } + } + + } break; + case KeyPress: + case KeyRelease: { +#ifdef DISPLAY_SERVER_X11_DEBUG_LOGS_ENABLED + if (event.type == KeyPress) { + DEBUG_LOG_X11("[%u] KeyPress window=%lu (%u), keycode=%u, time=%lu \n", frame, event.xkey.window, window_id, event.xkey.keycode, event.xkey.time); + } else { + DEBUG_LOG_X11("[%u] KeyRelease window=%lu (%u), keycode=%u, time=%lu \n", frame, event.xkey.window, window_id, event.xkey.keycode, event.xkey.time); + } +#endif + last_timestamp = event.xkey.time; + + // key event is a little complex, so + // it will be handled in its own function. + _handle_key_event(window_id, &event.xkey, events, event_index); + } break; + + case SelectionNotify: + + if (event.xselection.target == requested) { + Property p = _read_property(x11_display, windows[window_id].x11_window, XInternAtom(x11_display, "PRIMARY", 0)); + + Vector<String> files = String((char *)p.data).split("\n", false); + XFree(p.data); + for (int i = 0; i < files.size(); i++) { + files.write[i] = files[i].replace("file://", "").uri_decode().strip_edges(); + } + + if (!windows[window_id].drop_files_callback.is_null()) { + Variant v = files; + Variant *vp = &v; + Variant ret; + Callable::CallError ce; + windows[window_id].drop_files_callback.callp((const Variant **)&vp, 1, ret, ce); + } + + //Reply that all is well. + XClientMessageEvent m; + memset(&m, 0, sizeof(m)); + m.type = ClientMessage; + m.display = x11_display; + m.window = xdnd_source_window; + m.message_type = xdnd_finished; + m.format = 32; + m.data.l[0] = windows[window_id].x11_window; + m.data.l[1] = 1; + m.data.l[2] = xdnd_action_copy; //We only ever copy. + + XSendEvent(x11_display, xdnd_source_window, False, NoEventMask, (XEvent *)&m); + } + break; + + case ClientMessage: + + if ((unsigned int)event.xclient.data.l[0] == (unsigned int)wm_delete) { + _send_window_event(windows[window_id], WINDOW_EVENT_CLOSE_REQUEST); + } + + else if ((unsigned int)event.xclient.message_type == (unsigned int)xdnd_enter) { + //File(s) have been dragged over the window, check for supported target (text/uri-list) + xdnd_version = (event.xclient.data.l[1] >> 24); + Window source = event.xclient.data.l[0]; + bool more_than_3 = event.xclient.data.l[1] & 1; + if (more_than_3) { + Property p = _read_property(x11_display, source, XInternAtom(x11_display, "XdndTypeList", False)); + requested = pick_target_from_list(x11_display, (Atom *)p.data, p.nitems); + XFree(p.data); + } else { + requested = pick_target_from_atoms(x11_display, event.xclient.data.l[2], event.xclient.data.l[3], event.xclient.data.l[4]); + } + } else if ((unsigned int)event.xclient.message_type == (unsigned int)xdnd_position) { + //xdnd position event, reply with an XDND status message + //just depending on type of data for now + XClientMessageEvent m; + memset(&m, 0, sizeof(m)); + m.type = ClientMessage; + m.display = event.xclient.display; + m.window = event.xclient.data.l[0]; + m.message_type = xdnd_status; + m.format = 32; + m.data.l[0] = windows[window_id].x11_window; + m.data.l[1] = (requested != None); + m.data.l[2] = 0; //empty rectangle + m.data.l[3] = 0; + m.data.l[4] = xdnd_action_copy; + + XSendEvent(x11_display, event.xclient.data.l[0], False, NoEventMask, (XEvent *)&m); + XFlush(x11_display); + } else if ((unsigned int)event.xclient.message_type == (unsigned int)xdnd_drop) { + if (requested != None) { + xdnd_source_window = event.xclient.data.l[0]; + if (xdnd_version >= 1) { + XConvertSelection(x11_display, xdnd_selection, requested, XInternAtom(x11_display, "PRIMARY", 0), windows[window_id].x11_window, event.xclient.data.l[2]); + } else { + XConvertSelection(x11_display, xdnd_selection, requested, XInternAtom(x11_display, "PRIMARY", 0), windows[window_id].x11_window, CurrentTime); + } + } else { + //Reply that we're not interested. + XClientMessageEvent m; + memset(&m, 0, sizeof(m)); + m.type = ClientMessage; + m.display = event.xclient.display; + m.window = event.xclient.data.l[0]; + m.message_type = xdnd_finished; + m.format = 32; + m.data.l[0] = windows[window_id].x11_window; + m.data.l[1] = 0; + m.data.l[2] = None; //Failed. + XSendEvent(x11_display, event.xclient.data.l[0], False, NoEventMask, (XEvent *)&m); + } + } + break; + default: + break; + } + } + + XFlush(x11_display); + + if (do_mouse_warp) { + XWarpPointer(x11_display, None, windows[MAIN_WINDOW_ID].x11_window, + 0, 0, 0, 0, (int)windows[MAIN_WINDOW_ID].size.width / 2, (int)windows[MAIN_WINDOW_ID].size.height / 2); + + /* + Window root, child; + int root_x, root_y; + int win_x, win_y; + unsigned int mask; + XQueryPointer( x11_display, x11_window, &root, &child, &root_x, &root_y, &win_x, &win_y, &mask ); + + printf("Root: %d,%d\n", root_x, root_y); + printf("Win: %d,%d\n", win_x, win_y); + */ + } + + Input::get_singleton()->flush_buffered_events(); +} + +void DisplayServerX11::release_rendering_thread() { +#if defined(GLES3_ENABLED) + if (gl_manager) { + gl_manager->release_current(); + } +#endif +} + +void DisplayServerX11::make_rendering_thread() { +#if defined(GLES3_ENABLED) + if (gl_manager) { + gl_manager->make_current(); + } +#endif +} + +void DisplayServerX11::swap_buffers() { +#if defined(GLES3_ENABLED) + if (gl_manager) { + gl_manager->swap_buffers(); + } +#endif +} + +void DisplayServerX11::_update_context(WindowData &wd) { + XClassHint *classHint = XAllocClassHint(); + + if (classHint) { + CharString name_str; + switch (context) { + case CONTEXT_EDITOR: + name_str = "Godot_Editor"; + break; + case CONTEXT_PROJECTMAN: + name_str = "Godot_ProjectList"; + break; + case CONTEXT_ENGINE: + name_str = "Godot_Engine"; + break; + } + + CharString class_str; + if (context == CONTEXT_ENGINE) { + String config_name = GLOBAL_GET("application/config/name"); + if (config_name.length() == 0) { + class_str = "Godot_Engine"; + } else { + class_str = config_name.utf8(); + } + } else { + class_str = "Godot"; + } + + classHint->res_class = class_str.ptrw(); + classHint->res_name = name_str.ptrw(); + + XSetClassHint(x11_display, wd.x11_window, classHint); + XFree(classHint); + } +} + +void DisplayServerX11::set_context(Context p_context) { + _THREAD_SAFE_METHOD_ + + context = p_context; + + for (KeyValue<WindowID, WindowData> &E : windows) { + _update_context(E.value); + } +} + +void DisplayServerX11::set_native_icon(const String &p_filename) { + WARN_PRINT("Native icon not supported by this display server."); +} + +bool g_set_icon_error = false; +int set_icon_errorhandler(Display *dpy, XErrorEvent *ev) { + g_set_icon_error = true; + return 0; +} + +void DisplayServerX11::set_icon(const Ref<Image> &p_icon) { + _THREAD_SAFE_METHOD_ + + WindowData &wd = windows[MAIN_WINDOW_ID]; + + int (*oldHandler)(Display *, XErrorEvent *) = XSetErrorHandler(&set_icon_errorhandler); + + Atom net_wm_icon = XInternAtom(x11_display, "_NET_WM_ICON", False); + + if (p_icon.is_valid()) { + Ref<Image> img = p_icon->duplicate(); + img->convert(Image::FORMAT_RGBA8); + + while (true) { + int w = img->get_width(); + int h = img->get_height(); + + if (g_set_icon_error) { + g_set_icon_error = false; + + WARN_PRINT("Icon too large, attempting to resize icon."); + + int new_width, new_height; + if (w > h) { + new_width = w / 2; + new_height = h * new_width / w; + } else { + new_height = h / 2; + new_width = w * new_height / h; + } + + w = new_width; + h = new_height; + + if (!w || !h) { + WARN_PRINT("Unable to set icon."); + break; + } + + img->resize(w, h, Image::INTERPOLATE_CUBIC); + } + + // We're using long to have wordsize (32Bit build -> 32 Bits, 64 Bit build -> 64 Bits + Vector<long> pd; + + pd.resize(2 + w * h); + + pd.write[0] = w; + pd.write[1] = h; + + const uint8_t *r = img->get_data().ptr(); + + long *wr = &pd.write[2]; + uint8_t const *pr = r; + + for (int i = 0; i < w * h; i++) { + long v = 0; + // A R G B + v |= pr[3] << 24 | pr[0] << 16 | pr[1] << 8 | pr[2]; + *wr++ = v; + pr += 4; + } + + if (net_wm_icon != None) { + XChangeProperty(x11_display, wd.x11_window, net_wm_icon, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)pd.ptr(), pd.size()); + } + + if (!g_set_icon_error) { + break; + } + } + } else { + XDeleteProperty(x11_display, wd.x11_window, net_wm_icon); + } + + XFlush(x11_display); + XSetErrorHandler(oldHandler); +} + +void DisplayServerX11::window_set_vsync_mode(DisplayServer::VSyncMode p_vsync_mode, WindowID p_window) { + _THREAD_SAFE_METHOD_ +#if defined(VULKAN_ENABLED) + if (context_vulkan) { + context_vulkan->set_vsync_mode(p_window, p_vsync_mode); + } +#endif + +#if defined(GLES3_ENABLED) + if (gl_manager) { + gl_manager->set_use_vsync(p_vsync_mode == DisplayServer::VSYNC_ENABLED); + } +#endif +} + +DisplayServer::VSyncMode DisplayServerX11::window_get_vsync_mode(WindowID p_window) const { + _THREAD_SAFE_METHOD_ +#if defined(VULKAN_ENABLED) + if (context_vulkan) { + return context_vulkan->get_vsync_mode(p_window); + } +#endif +#if defined(GLES3_ENABLED) + if (gl_manager) { + return gl_manager->is_using_vsync() ? DisplayServer::VSYNC_ENABLED : DisplayServer::VSYNC_DISABLED; + } +#endif + return DisplayServer::VSYNC_ENABLED; +} + +Vector<String> DisplayServerX11::get_rendering_drivers_func() { + Vector<String> drivers; + +#ifdef VULKAN_ENABLED + drivers.push_back("vulkan"); +#endif +#ifdef GLES3_ENABLED + drivers.push_back("opengl3"); +#endif + + return drivers; +} + +DisplayServer *DisplayServerX11::create_func(const String &p_rendering_driver, WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i *p_position, const Vector2i &p_resolution, Error &r_error) { + DisplayServer *ds = memnew(DisplayServerX11(p_rendering_driver, p_mode, p_vsync_mode, p_flags, p_position, p_resolution, r_error)); + if (r_error != OK) { + if (p_rendering_driver == "vulkan") { + String executable_name = OS::get_singleton()->get_executable_path().get_file(); + OS::get_singleton()->alert("Your video card driver does not support the selected Vulkan version.\n" + "Please try updating your GPU driver or try using the OpenGL 3 driver.\n" + "You can enable the OpenGL 3 driver by starting the engine from the\n" + "command line with the command:\n'./" + + executable_name + " --rendering-driver opengl3'.\n " + "If you have updated your graphics drivers recently, try rebooting.", + "Unable to initialize Video driver"); + } else { + OS::get_singleton()->alert("Your video card driver does not support the selected OpenGL version.\n" + "Please try updating your GPU driver.\n" + "If you have updated your graphics drivers recently, try rebooting.", + "Unable to initialize Video driver"); + } + } + return ds; +} + +DisplayServerX11::WindowID DisplayServerX11::_create_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect) { + //Create window + + XVisualInfo visualInfo; + bool vi_selected = false; + +#ifdef GLES3_ENABLED + if (gl_manager) { + visualInfo = gl_manager->get_vi(x11_display); + vi_selected = true; + } +#endif + + if (!vi_selected) { + long visualMask = VisualScreenMask; + int numberOfVisuals; + XVisualInfo vInfoTemplate = {}; + vInfoTemplate.screen = DefaultScreen(x11_display); + XVisualInfo *vi_list = XGetVisualInfo(x11_display, visualMask, &vInfoTemplate, &numberOfVisuals); + ERR_FAIL_COND_V(!vi_list, INVALID_WINDOW_ID); + + visualInfo = vi_list[0]; + if (OS::get_singleton()->is_layered_allowed()) { + for (int i = 0; i < numberOfVisuals; i++) { + XRenderPictFormat *pict_format = XRenderFindVisualFormat(x11_display, vi_list[i].visual); + if (!pict_format) { + continue; + } + visualInfo = vi_list[i]; + if (pict_format->direct.alphaMask > 0) { + break; + } + } + } + XFree(vi_list); + } + + Colormap colormap = XCreateColormap(x11_display, RootWindow(x11_display, visualInfo.screen), visualInfo.visual, AllocNone); + + XSetWindowAttributes windowAttributes = {}; + windowAttributes.colormap = colormap; + windowAttributes.background_pixel = 0xFFFFFFFF; + windowAttributes.border_pixel = 0; + windowAttributes.event_mask = KeyPressMask | KeyReleaseMask | StructureNotifyMask | ExposureMask; + + unsigned long valuemask = CWBorderPixel | CWColormap | CWEventMask; + + if (OS::get_singleton()->is_layered_allowed()) { + windowAttributes.background_pixmap = None; + windowAttributes.background_pixel = 0; + windowAttributes.border_pixmap = None; + valuemask |= CWBackPixel; + } + + WindowID id = window_id_counter++; + WindowData &wd = windows[id]; + + if (p_flags & WINDOW_FLAG_NO_FOCUS_BIT) { + wd.no_focus = true; + } + + if (p_flags & WINDOW_FLAG_POPUP_BIT) { + wd.is_popup = true; + } + + // Setup for menu subwindows: + // - override_redirect forces the WM not to interfere with the window, to avoid delays due to + // handling decorations and placement. + // On the other hand, focus changes need to be handled manually when this is set. + // - save_under is a hint for the WM to keep the content of windows behind to avoid repaint. + if (wd.is_popup || wd.no_focus) { + windowAttributes.override_redirect = True; + windowAttributes.save_under = True; + valuemask |= CWOverrideRedirect | CWSaveUnder; + } + + { + wd.x11_window = XCreateWindow(x11_display, RootWindow(x11_display, visualInfo.screen), p_rect.position.x, p_rect.position.y, p_rect.size.width > 0 ? p_rect.size.width : 1, p_rect.size.height > 0 ? p_rect.size.height : 1, 0, visualInfo.depth, InputOutput, visualInfo.visual, valuemask, &windowAttributes); + + // Enable receiving notification when the window is initialized (MapNotify) + // so the focus can be set at the right time. + if (!wd.no_focus && !wd.is_popup) { + XSelectInput(x11_display, wd.x11_window, StructureNotifyMask); + } + + //associate PID + // make PID known to X11 + { + const long pid = OS::get_singleton()->get_process_id(); + Atom net_wm_pid = XInternAtom(x11_display, "_NET_WM_PID", False); + if (net_wm_pid != None) { + XChangeProperty(x11_display, wd.x11_window, net_wm_pid, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&pid, 1); + } + } + + long im_event_mask = 0; + + { + XIEventMask all_event_mask; + XSetWindowAttributes new_attr; + + new_attr.event_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | + ButtonReleaseMask | EnterWindowMask | + LeaveWindowMask | PointerMotionMask | + Button1MotionMask | + Button2MotionMask | Button3MotionMask | + Button4MotionMask | Button5MotionMask | + ButtonMotionMask | KeymapStateMask | + ExposureMask | VisibilityChangeMask | + StructureNotifyMask | + SubstructureNotifyMask | SubstructureRedirectMask | + FocusChangeMask | PropertyChangeMask | + ColormapChangeMask | OwnerGrabButtonMask | + im_event_mask; + + XChangeWindowAttributes(x11_display, wd.x11_window, CWEventMask, &new_attr); + + static unsigned char all_mask_data[XIMaskLen(XI_LASTEVENT)] = {}; + + all_event_mask.deviceid = XIAllDevices; + all_event_mask.mask_len = sizeof(all_mask_data); + all_event_mask.mask = all_mask_data; + + XISetMask(all_event_mask.mask, XI_HierarchyChanged); + +#ifdef TOUCH_ENABLED + if (xi.touch_devices.size()) { + XISetMask(all_event_mask.mask, XI_TouchBegin); + XISetMask(all_event_mask.mask, XI_TouchUpdate); + XISetMask(all_event_mask.mask, XI_TouchEnd); + XISetMask(all_event_mask.mask, XI_TouchOwnership); + } +#endif + + XISelectEvents(x11_display, wd.x11_window, &all_event_mask, 1); + } + + /* set the titlebar name */ + XStoreName(x11_display, wd.x11_window, "Godot"); + XSetWMProtocols(x11_display, wd.x11_window, &wm_delete, 1); + if (xdnd_aware != None) { + XChangeProperty(x11_display, wd.x11_window, xdnd_aware, XA_ATOM, 32, PropModeReplace, (unsigned char *)&xdnd_version, 1); + } + + if (xim && xim_style) { + // Block events polling while changing input focus + // because it triggers some event polling internally. + MutexLock mutex_lock(events_mutex); + + wd.xic = XCreateIC(xim, XNInputStyle, xim_style, XNClientWindow, wd.x11_window, XNFocusWindow, wd.x11_window, (char *)nullptr); + if (XGetICValues(wd.xic, XNFilterEvents, &im_event_mask, nullptr) != nullptr) { + WARN_PRINT("XGetICValues couldn't obtain XNFilterEvents value"); + XDestroyIC(wd.xic); + wd.xic = nullptr; + } + if (wd.xic) { + XUnsetICFocus(wd.xic); + } else { + WARN_PRINT("XCreateIC couldn't create wd.xic"); + } + } else { + wd.xic = nullptr; + WARN_PRINT("XCreateIC couldn't create wd.xic"); + } + + _update_context(wd); + + if (p_flags & WINDOW_FLAG_BORDERLESS_BIT) { + Hints hints; + Atom property; + hints.flags = 2; + hints.decorations = 0; + property = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True); + if (property != None) { + XChangeProperty(x11_display, wd.x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5); + } + } + + if (wd.is_popup || wd.no_focus) { + // Set Utility type to disable fade animations. + Atom type_atom = XInternAtom(x11_display, "_NET_WM_WINDOW_TYPE_UTILITY", False); + Atom wt_atom = XInternAtom(x11_display, "_NET_WM_WINDOW_TYPE", False); + if (wt_atom != None && type_atom != None) { + XChangeProperty(x11_display, wd.x11_window, wt_atom, XA_ATOM, 32, PropModeReplace, (unsigned char *)&type_atom, 1); + } + } else { + Atom type_atom = XInternAtom(x11_display, "_NET_WM_WINDOW_TYPE_NORMAL", False); + Atom wt_atom = XInternAtom(x11_display, "_NET_WM_WINDOW_TYPE", False); + + if (wt_atom != None && type_atom != None) { + XChangeProperty(x11_display, wd.x11_window, wt_atom, XA_ATOM, 32, PropModeReplace, (unsigned char *)&type_atom, 1); + } + } + + _update_size_hints(id); + +#if defined(VULKAN_ENABLED) + if (context_vulkan) { + Error err = context_vulkan->window_create(id, p_vsync_mode, wd.x11_window, x11_display, p_rect.size.width, p_rect.size.height); + ERR_FAIL_COND_V_MSG(err != OK, INVALID_WINDOW_ID, "Can't create a Vulkan window"); + } +#endif +#ifdef GLES3_ENABLED + if (gl_manager) { + Error err = gl_manager->window_create(id, wd.x11_window, x11_display, p_rect.size.width, p_rect.size.height); + ERR_FAIL_COND_V_MSG(err != OK, INVALID_WINDOW_ID, "Can't create an OpenGL window"); + } +#endif + + //set_class_hint(x11_display, wd.x11_window); + XFlush(x11_display); + + XSync(x11_display, False); + //XSetErrorHandler(oldHandler); + } + + window_set_mode(p_mode, id); + + //sync size + { + XWindowAttributes xwa; + + XSync(x11_display, False); + XGetWindowAttributes(x11_display, wd.x11_window, &xwa); + + wd.position.x = xwa.x; + wd.position.y = xwa.y; + wd.size.width = xwa.width; + wd.size.height = xwa.height; + } + + //set cursor + if (cursors[current_cursor] != None) { + XDefineCursor(x11_display, wd.x11_window, cursors[current_cursor]); + } + + return id; +} + +DisplayServerX11::DisplayServerX11(const String &p_rendering_driver, WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i *p_position, const Vector2i &p_resolution, Error &r_error) { + Input::get_singleton()->set_event_dispatch_function(_dispatch_input_events); + + r_error = OK; + + for (int i = 0; i < CURSOR_MAX; i++) { + cursors[i] = None; + img[i] = nullptr; + } + + XInitThreads(); //always use threads + + /** XLIB INITIALIZATION **/ + x11_display = XOpenDisplay(nullptr); + + if (!x11_display) { + ERR_PRINT("X11 Display is not available"); + r_error = ERR_UNAVAILABLE; + return; + } + + char *modifiers = nullptr; + Bool xkb_dar = False; + XAutoRepeatOn(x11_display); + xkb_dar = XkbSetDetectableAutoRepeat(x11_display, True, nullptr); + + // Try to support IME if detectable auto-repeat is supported + if (xkb_dar == True) { +#ifdef X_HAVE_UTF8_STRING + // Xutf8LookupString will be used later instead of XmbLookupString before + // the multibyte sequences can be converted to unicode string. + modifiers = XSetLocaleModifiers(""); +#endif + } + + if (modifiers == nullptr) { + if (OS::get_singleton()->is_stdout_verbose()) { + WARN_PRINT("IME is disabled"); + } + XSetLocaleModifiers("@im=none"); + WARN_PRINT("Error setting locale modifiers"); + } + + const char *err; + int xrandr_major = 0; + int xrandr_minor = 0; + int event_base, error_base; + xrandr_ext_ok = XRRQueryExtension(x11_display, &event_base, &error_base); + xrandr_handle = dlopen("libXrandr.so.2", RTLD_LAZY); + if (!xrandr_handle) { + err = dlerror(); + // For some arcane reason, NetBSD now ships libXrandr.so.3 while the rest of the world has libXrandr.so.2... + // In case this happens for other X11 platforms in the future, let's give it a try too before failing. + xrandr_handle = dlopen("libXrandr.so.3", RTLD_LAZY); + if (!xrandr_handle) { + fprintf(stderr, "could not load libXrandr.so.2, Error: %s\n", err); + } + } else { + XRRQueryVersion(x11_display, &xrandr_major, &xrandr_minor); + if (((xrandr_major << 8) | xrandr_minor) >= 0x0105) { + xrr_get_monitors = (xrr_get_monitors_t)dlsym(xrandr_handle, "XRRGetMonitors"); + if (!xrr_get_monitors) { + err = dlerror(); + fprintf(stderr, "could not find symbol XRRGetMonitors\nError: %s\n", err); + } else { + xrr_free_monitors = (xrr_free_monitors_t)dlsym(xrandr_handle, "XRRFreeMonitors"); + if (!xrr_free_monitors) { + err = dlerror(); + fprintf(stderr, "could not find XRRFreeMonitors\nError: %s\n", err); + xrr_get_monitors = nullptr; + } + } + } + } + + if (!_refresh_device_info()) { + OS::get_singleton()->alert("Your system does not support XInput 2.\n" + "Please upgrade your distribution.", + "Unable to initialize XInput"); + r_error = ERR_UNAVAILABLE; + return; + } + + xim = XOpenIM(x11_display, nullptr, nullptr, nullptr); + + if (xim == nullptr) { + WARN_PRINT("XOpenIM failed"); + xim_style = 0L; + } else { + ::XIMCallback im_destroy_callback; + im_destroy_callback.client_data = (::XPointer)(this); + im_destroy_callback.callback = (::XIMProc)(_xim_destroy_callback); + if (XSetIMValues(xim, XNDestroyCallback, &im_destroy_callback, + nullptr) != nullptr) { + WARN_PRINT("Error setting XIM destroy callback"); + } + + ::XIMStyles *xim_styles = nullptr; + xim_style = 0L; + char *imvalret = XGetIMValues(xim, XNQueryInputStyle, &xim_styles, nullptr); + if (imvalret != nullptr || xim_styles == nullptr) { + fprintf(stderr, "Input method doesn't support any styles\n"); + } + + if (xim_styles) { + xim_style = 0L; + for (int i = 0; i < xim_styles->count_styles; i++) { + if (xim_styles->supported_styles[i] == + (XIMPreeditNothing | XIMStatusNothing)) { + xim_style = xim_styles->supported_styles[i]; + break; + } + } + + XFree(xim_styles); + } + XFree(imvalret); + } + + /* Atom internment */ + wm_delete = XInternAtom(x11_display, "WM_DELETE_WINDOW", true); + // Set Xdnd (drag & drop) support. + xdnd_aware = XInternAtom(x11_display, "XdndAware", False); + xdnd_enter = XInternAtom(x11_display, "XdndEnter", False); + xdnd_position = XInternAtom(x11_display, "XdndPosition", False); + xdnd_status = XInternAtom(x11_display, "XdndStatus", False); + xdnd_action_copy = XInternAtom(x11_display, "XdndActionCopy", False); + xdnd_drop = XInternAtom(x11_display, "XdndDrop", False); + xdnd_finished = XInternAtom(x11_display, "XdndFinished", False); + xdnd_selection = XInternAtom(x11_display, "XdndSelection", False); + +#ifdef SPEECHD_ENABLED + // Init TTS + tts = memnew(TTS_Linux); +#endif + + //!!!!!!!!!!!!!!!!!!!!!!!!!! + //TODO - do Vulkan and OpenGL support checks, driver selection and fallback + rendering_driver = p_rendering_driver; + + bool driver_found = false; +#if defined(VULKAN_ENABLED) + if (rendering_driver == "vulkan") { + context_vulkan = memnew(VulkanContextX11); + if (context_vulkan->initialize() != OK) { + memdelete(context_vulkan); + context_vulkan = nullptr; + r_error = ERR_CANT_CREATE; + ERR_FAIL_MSG("Could not initialize Vulkan"); + } + driver_found = true; + } +#endif + // Initialize context and rendering device. +#if defined(GLES3_ENABLED) + if (rendering_driver == "opengl3") { + if (getenv("DRI_PRIME") == nullptr) { + int use_prime = -1; + + if (getenv("PRIMUS_DISPLAY") || + getenv("PRIMUS_libGLd") || + getenv("PRIMUS_libGLa") || + getenv("PRIMUS_libGL") || + getenv("PRIMUS_LOAD_GLOBAL") || + getenv("BUMBLEBEE_SOCKET")) { + print_verbose("Optirun/primusrun detected. Skipping GPU detection"); + use_prime = 0; + } + + // Some tools use fake libGL libraries and have them override the real one using + // LD_LIBRARY_PATH, so we skip them. *But* Steam also sets LD_LIBRARY_PATH for its + // runtime and includes system `/lib` and `/lib64`... so ignore Steam. + if (use_prime == -1 && getenv("LD_LIBRARY_PATH") && !getenv("STEAM_RUNTIME_LIBRARY_PATH")) { + String ld_library_path(getenv("LD_LIBRARY_PATH")); + Vector<String> libraries = ld_library_path.split(":"); + + for (int i = 0; i < libraries.size(); ++i) { + if (FileAccess::exists(libraries[i] + "/libGL.so.1") || + FileAccess::exists(libraries[i] + "/libGL.so")) { + print_verbose("Custom libGL override detected. Skipping GPU detection"); + use_prime = 0; + } + } + } + + if (use_prime == -1) { + print_verbose("Detecting GPUs, set DRI_PRIME in the environment to override GPU detection logic."); + use_prime = detect_prime(); + } + + if (use_prime) { + print_line("Found discrete GPU, setting DRI_PRIME=1 to use it."); + print_line("Note: Set DRI_PRIME=0 in the environment to disable Godot from using the discrete GPU."); + setenv("DRI_PRIME", "1", 1); + } + } + + GLManager_X11::ContextType opengl_api_type = GLManager_X11::GLES_3_0_COMPATIBLE; + + gl_manager = memnew(GLManager_X11(p_resolution, opengl_api_type)); + + if (gl_manager->initialize() != OK) { + memdelete(gl_manager); + gl_manager = nullptr; + r_error = ERR_UNAVAILABLE; + return; + } + driver_found = true; + + if (true) { + RasterizerGLES3::make_current(); + } else { + memdelete(gl_manager); + gl_manager = nullptr; + r_error = ERR_UNAVAILABLE; + return; + } + } +#endif + if (!driver_found) { + r_error = ERR_UNAVAILABLE; + ERR_FAIL_MSG("Video driver not found"); + } + + Point2i window_position( + (screen_get_size(0).width - p_resolution.width) / 2, + (screen_get_size(0).height - p_resolution.height) / 2); + + if (p_position != nullptr) { + window_position = *p_position; + } + + WindowID main_window = _create_window(p_mode, p_vsync_mode, p_flags, Rect2i(window_position, p_resolution)); + if (main_window == INVALID_WINDOW_ID) { + r_error = ERR_CANT_CREATE; + return; + } + for (int i = 0; i < WINDOW_FLAG_MAX; i++) { + if (p_flags & (1 << i)) { + window_set_flag(WindowFlags(i), true, main_window); + } + } + show_window(main_window); + XSync(x11_display, False); + _validate_mode_on_map(main_window); + +#if defined(VULKAN_ENABLED) + if (rendering_driver == "vulkan") { + //temporary + rendering_device_vulkan = memnew(RenderingDeviceVulkan); + rendering_device_vulkan->initialize(context_vulkan); + + RendererCompositorRD::make_current(); + } +#endif + + { + //set all event master mask + XIEventMask all_master_event_mask; + static unsigned char all_master_mask_data[XIMaskLen(XI_LASTEVENT)] = {}; + all_master_event_mask.deviceid = XIAllMasterDevices; + all_master_event_mask.mask_len = sizeof(all_master_mask_data); + all_master_event_mask.mask = all_master_mask_data; + XISetMask(all_master_event_mask.mask, XI_DeviceChanged); + XISetMask(all_master_event_mask.mask, XI_RawMotion); + XISelectEvents(x11_display, DefaultRootWindow(x11_display), &all_master_event_mask, 1); + } + + cursor_size = XcursorGetDefaultSize(x11_display); + cursor_theme = XcursorGetTheme(x11_display); + + if (!cursor_theme) { + print_verbose("XcursorGetTheme could not get cursor theme"); + cursor_theme = "default"; + } + + for (int i = 0; i < CURSOR_MAX; i++) { + static const char *cursor_file[] = { + "left_ptr", + "xterm", + "hand2", + "cross", + "watch", + "left_ptr_watch", + "fleur", + "dnd-move", + "crossed_circle", + "v_double_arrow", + "h_double_arrow", + "size_bdiag", + "size_fdiag", + "move", + "row_resize", + "col_resize", + "question_arrow" + }; + + img[i] = XcursorLibraryLoadImage(cursor_file[i], cursor_theme, cursor_size); + if (!img[i]) { + const char *fallback = nullptr; + + switch (i) { + case CURSOR_POINTING_HAND: + fallback = "pointer"; + break; + case CURSOR_CROSS: + fallback = "crosshair"; + break; + case CURSOR_WAIT: + fallback = "wait"; + break; + case CURSOR_BUSY: + fallback = "progress"; + break; + case CURSOR_DRAG: + fallback = "grabbing"; + break; + case CURSOR_CAN_DROP: + fallback = "hand1"; + break; + case CURSOR_FORBIDDEN: + fallback = "forbidden"; + break; + case CURSOR_VSIZE: + fallback = "ns-resize"; + break; + case CURSOR_HSIZE: + fallback = "ew-resize"; + break; + case CURSOR_BDIAGSIZE: + fallback = "fd_double_arrow"; + break; + case CURSOR_FDIAGSIZE: + fallback = "bd_double_arrow"; + break; + case CURSOR_MOVE: + img[i] = img[CURSOR_DRAG]; + break; + case CURSOR_VSPLIT: + fallback = "sb_v_double_arrow"; + break; + case CURSOR_HSPLIT: + fallback = "sb_h_double_arrow"; + break; + case CURSOR_HELP: + fallback = "help"; + break; + } + if (fallback != nullptr) { + img[i] = XcursorLibraryLoadImage(fallback, cursor_theme, cursor_size); + } + } + if (img[i]) { + cursors[i] = XcursorImageLoadCursor(x11_display, img[i]); + } else { + print_verbose("Failed loading custom cursor: " + String(cursor_file[i])); + } + } + + { + // Creating an empty/transparent cursor + + // Create 1x1 bitmap + Pixmap cursormask = XCreatePixmap(x11_display, + RootWindow(x11_display, DefaultScreen(x11_display)), 1, 1, 1); + + // Fill with zero + XGCValues xgc; + xgc.function = GXclear; + GC gc = XCreateGC(x11_display, cursormask, GCFunction, &xgc); + XFillRectangle(x11_display, cursormask, gc, 0, 0, 1, 1); + + // Color value doesn't matter. Mask zero means no foreground or background will be drawn + XColor col = {}; + + Cursor cursor = XCreatePixmapCursor(x11_display, + cursormask, // source (using cursor mask as placeholder, since it'll all be ignored) + cursormask, // mask + &col, &col, 0, 0); + + XFreePixmap(x11_display, cursormask); + XFreeGC(x11_display, gc); + + if (cursor == None) { + ERR_PRINT("FAILED CREATING CURSOR"); + } + + null_cursor = cursor; + } + cursor_set_shape(CURSOR_BUSY); + + // Search the X11 event queue for ConfigureNotify events and process all + // that are currently queued early, so we can get the final window size + // for correctly drawing of the bootsplash. + XEvent config_event; + while (XCheckTypedEvent(x11_display, ConfigureNotify, &config_event)) { + _window_changed(&config_event); + } + events_thread.start(_poll_events_thread, this); + + _update_real_mouse_position(windows[MAIN_WINDOW_ID]); + +#ifdef DBUS_ENABLED + screensaver = memnew(FreeDesktopScreenSaver); + screen_set_keep_on(GLOBAL_GET("display/window/energy_saving/keep_screen_on")); + + portal_desktop = memnew(FreeDesktopPortalDesktop); +#endif + + r_error = OK; +} + +DisplayServerX11::~DisplayServerX11() { + // Send owned clipboard data to clipboard manager before exit. + Window x11_main_window = windows[MAIN_WINDOW_ID].x11_window; + _clipboard_transfer_ownership(XA_PRIMARY, x11_main_window); + _clipboard_transfer_ownership(XInternAtom(x11_display, "CLIPBOARD", 0), x11_main_window); + + events_thread_done.set(); + events_thread.wait_to_finish(); + + //destroy all windows + for (KeyValue<WindowID, WindowData> &E : windows) { +#ifdef VULKAN_ENABLED + if (context_vulkan) { + context_vulkan->window_destroy(E.key); + } +#endif +#ifdef GLES3_ENABLED + if (gl_manager) { + gl_manager->window_destroy(E.key); + } +#endif + + WindowData &wd = E.value; + if (wd.xic) { + XDestroyIC(wd.xic); + wd.xic = nullptr; + } + XUnmapWindow(x11_display, wd.x11_window); + XDestroyWindow(x11_display, wd.x11_window); + } + + //destroy drivers +#if defined(VULKAN_ENABLED) + if (rendering_device_vulkan) { + rendering_device_vulkan->finalize(); + memdelete(rendering_device_vulkan); + rendering_device_vulkan = nullptr; + } + + if (context_vulkan) { + memdelete(context_vulkan); + context_vulkan = nullptr; + } +#endif + +#ifdef GLES3_ENABLED + if (gl_manager) { + memdelete(gl_manager); + gl_manager = nullptr; + } +#endif + + if (xrandr_handle) { + dlclose(xrandr_handle); + } + + for (int i = 0; i < CURSOR_MAX; i++) { + if (cursors[i] != None) { + XFreeCursor(x11_display, cursors[i]); + } + if (img[i] != nullptr) { + XcursorImageDestroy(img[i]); + } + } + + if (xim) { + XCloseIM(xim); + } + + XCloseDisplay(x11_display); + if (xmbstring) { + memfree(xmbstring); + } + +#ifdef SPEECHD_ENABLED + memdelete(tts); +#endif + +#ifdef DBUS_ENABLED + memdelete(screensaver); + memdelete(portal_desktop); +#endif +} + +void DisplayServerX11::register_x11_driver() { + register_create_function("x11", create_func, get_rendering_drivers_func); +} + +#endif // X11 enabled |