/*************************************************************************/ /* 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 #include #include #include #include #include #include #include // 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 #include #include #include #include #include //stupid linux.h #ifdef KEY_TAB #undef KEY_TAB #endif #undef CursorShape #include // 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(); 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 == XIMasterPointer || 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); } 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(); } Array DisplayServerX11::tts_get_voices() const { ERR_FAIL_COND_V(!tts, Array()); 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 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 &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 = windows.has(last_focused_window) ? last_focused_window : 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 = windows.has(last_focused_window) ? last_focused_window : 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 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_no_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_no_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_no_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_no_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; } bool DisplayServerX11::screen_is_touchscreen(int p_screen) const { _THREAD_SAFE_METHOD_ #ifndef _MSC_VER #warning Need to get from proper window #endif return DisplayServer::screen_is_touchscreen(p_screen); } #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 DisplayServerX11::get_window_list() const { _THREAD_SAFE_METHOD_ Vector ret; for (const KeyValue &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 &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 &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)) { Point2i position = screen_get_position(p_screen); XMoveWindow(x11_display, wd.x11_window, position.x, position.y); } } } 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); // 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 (!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); } } 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_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); } } } 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: { //Un-Minimize // 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] = 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] = _NET_WM_STATE_ADD; xev.xclient.data.l[1] = wm_hidden; XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); } 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: { // 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] = WM_IconicState; 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] = _NET_WM_STATE_ADD; xev.xclient.data.l[1] = wm_hidden; XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev); } 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; } { // Test minimized. // Using ICCCM -- Inter-Client Communication Conventions Manual Atom property = XInternAtom(x11_display, "WM_STATE", True); if (property == None) { return WINDOW_MODE_WINDOWED; } 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 WINDOW_MODE_MINIMIZED; } XFree(data); } } // 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: { //todo reimplement } 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(data)->decorations); } if (data) { XFree(data); } } } return borderless; } break; case WINDOW_FLAG_ALWAYS_ON_TOP: { return wd.on_top; } break; case WINDOW_FLAG_TRANSPARENT: { //todo reimplement } 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 &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 &E : windows) { XDefineCursor(x11_display, E.value.x11_window, cursors[p_shape]); } } else if (cursors[CURSOR_ARROW] != None) { for (const KeyValue &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 &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) { _THREAD_SAFE_METHOD_ if (p_cursor.is_valid()) { HashMap>::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 texture = p_cursor; Ref atlas_texture = p_cursor; Ref 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 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 &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 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 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 &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 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 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(client_data); ds->xim = nullptr; for (KeyValue &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 &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; } { //the position in xconfigure is not useful here, obtain it manually int x, y; 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.call((const Variant **)&rectp, 1, ret, ce); } } void DisplayServerX11::_dispatch_input_events(const Ref &p_event) { static_cast(get_singleton())->_dispatch_input_event(p_event); } void DisplayServerX11::_dispatch_input_event(const Ref &p_event) { Variant ev = p_event; Variant *evp = &ev; Variant ret; Callable::CallError ce; { List::Element *E = popup_list.back(); if (E && Object::cast_to(*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.call((const Variant **)&evp, 1, ret, ce); } } return; } } Ref 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.call((const Variant **)&evp, 1, ret, ce); } } } else { // Send to all windows. for (KeyValue &E : windows) { Callable callable = E.value.input_event_callback; if (callable.is_valid()) { callable.call((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.call((const Variant **)&eventp, 1, ret, ce); } } void DisplayServerX11::_poll_events_thread(void *ud) { DisplayServerX11 *display_server = static_cast(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 &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::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::Element *C = nullptr; List::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::Element *E = popup_list.find(p_window); while (E) { List::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::Element *C = nullptr; List::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 &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 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 &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->deviceid; // 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::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::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::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++; } // 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::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 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::Iterator curr_pos_elem = xi.state.find(index); if (!curr_pos_elem) { // Defensive break; } if (curr_pos_elem->value != pos) { Ref 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]; // 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 (!wd.no_focus && !wd.is_popup) { XSetInputFocus(x11_display, wd.x11_window, RevertToPointerRoot, CurrentTime); } } break; case Expose: { DEBUG_LOG_X11("[%u] Expose window=%lu (%u), count='%u' \n", frame, event.xexpose.window, window_id, event.xexpose.count); 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); XVisibilityEvent *visibility = (XVisibilityEvent *)&event; windows[window_id].minimized = (visibility->state == VisibilityFullyObscured); } 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 &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 &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 &E : xi.state) { Ref 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 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 &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 = windows.has(last_focused_window) ? last_focused_window : 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 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); _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 &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 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.call((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) gl_manager->release_current(); #endif } void DisplayServerX11::make_rendering_thread() { #if defined(GLES3_ENABLED) 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 &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 &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 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 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 DisplayServerX11::get_rendering_drivers_func() { Vector 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_resolution, Error &r_error) { DisplayServer *ds = memnew(DisplayServerX11(p_rendering_driver, p_mode, p_vsync_mode, p_flags, p_resolution, r_error)); if (r_error != OK) { OS::get_singleton()->alert("Your video card driver does not support any of the supported Vulkan or OpenGL versions.\n" "Please update your drivers or if you have a very old or integrated GPU, upgrade it.\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 long visualMask = VisualScreenMask; int numberOfVisuals; XVisualInfo vInfoTemplate = {}; vInfoTemplate.screen = DefaultScreen(x11_display); XVisualInfo *visualInfo = XGetVisualInfo(x11_display, visualMask, &vInfoTemplate, &numberOfVisuals); Colormap colormap = XCreateColormap(x11_display, RootWindow(x11_display, vInfoTemplate.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; 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); XFree(visualInfo); } 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_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 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); 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); #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); XEvent xevent; while (XPending(x11_display) > 0) { XNextEvent(x11_display, &xevent); if (xevent.type == ConfigureNotify) { _window_changed(&xevent); } } 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_DEF("display/window/energy_saving/keep_screen_on", true)); #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 &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); #endif } void DisplayServerX11::register_x11_driver() { register_create_function("x11", create_func, get_rendering_drivers_func); } #endif // X11 enabled