/*************************************************************************/ /* display_server_x11.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 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/print_string.h" #include "core/project_settings.h" #include "detect_prime_x11.h" #include "key_mapping_x11.h" #include "main/main.h" #include "scene/resources/texture.h" #if defined(OPENGL_ENABLED) #include "drivers/gles2/rasterizer_gles2.h" #endif #if defined(VULKAN_ENABLED) #include "servers/rendering/rasterizer_rd/rasterizer_rd.h" #endif #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 #define _NET_WM_STATE_TOGGLE 2L // toggle 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 static const double abs_resolution_mult = 10000.0; static const double abs_resolution_range_mult = 10.0; 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: return true; default: { } } return false; } String DisplayServerX11::get_name() const { return "X11"; } void DisplayServerX11::alert(const String &p_alert, const String &p_title) { const char *message_programs[] = { "zenity", "kdialog", "Xdialog", "xmessage" }; String path = OS::get_singleton()->get_environment("PATH"); Vector path_elems = path.split(":", false); String program; for (int i = 0; i < path_elems.size(); i++) { for (uint64_t k = 0; k < sizeof(message_programs) / sizeof(char *); k++) { String tested_path = path_elems[i].plus_file(message_programs[k]); if (FileAccess::exists(tested_path)) { program = tested_path; break; } } if (program.length()) { break; } } List args; if (program.ends_with("zenity")) { args.push_back("--error"); args.push_back("--width"); args.push_back("500"); args.push_back("--title"); args.push_back(p_title); args.push_back("--text"); args.push_back(p_alert); } if (program.ends_with("kdialog")) { args.push_back("--error"); args.push_back(p_alert); args.push_back("--title"); args.push_back(p_title); } if (program.ends_with("Xdialog")) { args.push_back("--title"); args.push_back(p_title); args.push_back("--msgbox"); args.push_back(p_alert); args.push_back("0"); args.push_back("0"); } if (program.ends_with("xmessage")) { args.push_back("-center"); args.push_back("-title"); args.push_back(p_title); args.push_back(p_alert); } if (program.length()) { OS::get_singleton()->execute(program, args, true); } else { print_line(p_alert); } } 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_y_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_x_min = class_info->min; tilt_x_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() { while (true) { if (XPending(x11_display) > 0) { XEvent event; XPeekEvent(x11_display, &event); 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) { XNextEvent(x11_display, &event); } else { break; } } else { break; } } else { break; } } xi.relative_motion.x = 0; xi.relative_motion.y = 0; } 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) { 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 (Map::Element *E = windows.front(); E; E = E->next()) { if (showCursor) { XDefineCursor(x11_display, E->get().x11_window, cursors[current_cursor]); // show cursor } else { XDefineCursor(x11_display, E->get().x11_window, null_cursor); // hide cursor } } mouse_mode = p_mode; if (mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED) { //flush pending motion events _flush_mouse_motion(); WindowData &main_window = windows[MAIN_WINDOW_ID]; if (XGrabPointer( x11_display, main_window.x11_window, True, ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync, GrabModeAsync, windows[MAIN_WINDOW_ID].x11_window, None, CurrentTime) != GrabSuccess) { ERR_PRINT("NO GRAB"); } if (mouse_mode == MOUSE_MODE_CAPTURED) { center.x = main_window.size.width / 2; center.y = main_window.size.height / 2; XWarpPointer(x11_display, None, main_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::mouse_warp_to_position(const Point2i &p_to) { _THREAD_SAFE_METHOD_ if (mouse_mode == MOUSE_MODE_CAPTURED) { last_mouse_pos = p_to; } else { XWarpPointer(x11_display, None, windows[MAIN_WINDOW_ID].x11_window, 0, 0, 0, 0, (int)p_to.x, (int)p_to.y); } } Point2i DisplayServerX11::mouse_get_position() const { return last_mouse_pos; } Point2i DisplayServerX11::mouse_get_absolute_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(); } int DisplayServerX11::mouse_get_button_state() const { return last_button_state; } void DisplayServerX11::clipboard_set(const String &p_text) { _THREAD_SAFE_METHOD_ 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); } static String _clipboard_get_impl(Atom p_source, Window x11_window, ::Display *x11_display, String p_internal_clipboard, Atom target) { String ret; Atom type; Atom selection = XA_PRIMARY; int format, result; unsigned long len, bytes_left, dummy; unsigned char *data; Window Sown = XGetSelectionOwner(x11_display, p_source); if (Sown == x11_window) { return p_internal_clipboard; }; if (Sown != None) { XConvertSelection(x11_display, p_source, target, selection, x11_window, CurrentTime); XFlush(x11_display); while (true) { XEvent event; XNextEvent(x11_display, &event); if (event.type == SelectionNotify && event.xselection.requestor == x11_window) { break; }; }; // // Do not get any data, see how much data is there // 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, //that &data); // DATA is There if (bytes_left > 0) { 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("FAIL\n"); } if (data) { XFree(data); } } } return ret; } static String _clipboard_get(Atom p_source, Window x11_window, ::Display *x11_display, String p_internal_clipboard) { String ret; Atom utf8_atom = XInternAtom(x11_display, "UTF8_STRING", True); if (utf8_atom != None) { ret = _clipboard_get_impl(p_source, x11_window, x11_display, p_internal_clipboard, utf8_atom); } if (ret == "") { ret = _clipboard_get_impl(p_source, x11_window, x11_display, p_internal_clipboard, 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, x11_display, internal_clipboard); if (ret == "") { ret = _clipboard_get(XA_PRIMARY, windows[MAIN_WINDOW_ID].x11_window, x11_display, internal_clipboard); }; return ret; } int DisplayServerX11::get_screen_count() const { _THREAD_SAFE_METHOD_ // Using Xinerama Extension int event_base, error_base; const Bool ext_okay = XineramaQueryExtension(x11_display, &event_base, &error_base); if (!ext_okay) { return 0; } int count; XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &count); XFree(xsi); return count; } Point2i DisplayServerX11::screen_get_position(int p_screen) const { _THREAD_SAFE_METHOD_ if (p_screen == SCREEN_OF_MAIN_WINDOW) { p_screen = window_get_current_screen(); } // Using Xinerama Extension int event_base, error_base; const Bool ext_okay = XineramaQueryExtension(x11_display, &event_base, &error_base); if (!ext_okay) { return Point2i(0, 0); } int count; XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &count); if (p_screen >= count) { return Point2i(0, 0); } Point2i position = Point2i(xsi[p_screen].x_org, xsi[p_screen].y_org); XFree(xsi); return position; } Size2i DisplayServerX11::screen_get_size(int p_screen) const { return screen_get_usable_rect(p_screen).size; } 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(); } // Using Xinerama Extension int event_base, error_base; const Bool ext_okay = XineramaQueryExtension(x11_display, &event_base, &error_base); if (!ext_okay) { return Rect2i(0, 0, 0, 0); } int count; XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &count); if (p_screen >= count) { return Rect2i(0, 0, 0, 0); } Rect2i rect = Rect2i(xsi[p_screen].x_org, xsi[p_screen].y_org, xsi[p_screen].width, xsi[p_screen].height); XFree(xsi); 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; } 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); } Vector DisplayServerX11::get_window_list() const { _THREAD_SAFE_METHOD_ Vector ret; for (Map::Element *E = windows.front(); E; E = E->next()) { ret.push_back(E->key()); } return ret; } DisplayServer::WindowID DisplayServerX11::create_sub_window(WindowMode p_mode, uint32_t p_flags, const Rect2i &p_rect) { _THREAD_SAFE_METHOD_ WindowID id = _create_window(p_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::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"); //ma WindowData &wd = windows[p_id]; while (wd.transient_children.size()) { window_set_transient(wd.transient_children.front()->get(), INVALID_WINDOW_ID); } if (wd.transient_parent != INVALID_WINDOW_ID) { window_set_transient(p_id, INVALID_WINDOW_ID); } #ifdef VULKAN_ENABLED if (rendering_driver == "vulkan") { context_vulkan->window_destroy(p_id); } #endif XUnmapWindow(x11_display, wd.x11_window); XDestroyWindow(x11_display, wd.x11_window); if (wd.xic) { XDestroyIC(wd.xic); } windows.erase(p_id); } 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 { return INVALID_WINDOW_ID; } 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); 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_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_ ERR_FAIL_COND_V(!windows.has(p_window), -1); const WindowData &wd = windows[p_window]; int x, y; Window child; XTranslateCoordinates(x11_display, wd.x11_window, DefaultRootWindow(x11_display), 0, 0, &x, &y, &child); int count = get_screen_count(); for (int i = 0; i < count; i++) { Point2i pos = screen_get_position(i); Size2i size = screen_get_size(i); if ((x >= pos.x && x < pos.x + size.width) && (y >= pos.y && y < pos.y + size.height)) { return i; } } return 0; } 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]; int count = get_screen_count(); if (p_screen >= count) { return; } 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]; ERR_FAIL_COND(wd_window.transient_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(wd_window.transient_parent == INVALID_WINDOW_ID); ERR_FAIL_COND(!windows.has(wd_window.transient_parent)); WindowData &wd_parent = windows[wd_window.transient_parent]; wd_window.transient_parent = INVALID_WINDOW_ID; wd_parent.transient_children.erase(p_window); XSetTransientForHint(x11_display, wd_window.x11_window, None); } else { ERR_FAIL_COND(!windows.has(p_parent)); ERR_FAIL_COND_MSG(wd_window.transient_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); } } 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; if (!window_get_flag(WINDOW_FLAG_RESIZE_DISABLED, p_window)) { XSizeHints *xsh; xsh = XAllocSizeHints(); xsh->flags = 0L; 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); 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; if (!window_get_flag(WINDOW_FLAG_RESIZE_DISABLED, p_window)) { XSizeHints *xsh; xsh = XAllocSizeHints(); xsh->flags = 0L; 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); 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; // If window resizable is disabled we need to update the attributes first XSizeHints *xsh; xsh = XAllocSizeHints(); if (!window_get_flag(WINDOW_FLAG_RESIZE_DISABLED, p_window)) { xsh->flags = PMinSize | PMaxSize; xsh->min_width = size.x; xsh->max_width = size.x; xsh->min_height = size.y; xsh->max_height = size.y; } else { xsh->flags = 0L; 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); // Resize the window XResizeWindow(x11_display, wd.x11_window, size.x, size.y); // Update our videomode width and height wd.size = size; 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; 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 = XInternAtom(x11_display, "_NET_WM_ACTION_MAXIMIZE_HORZ", False); Atom 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); XChangeProperty(x11_display, wd.x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5); } if (p_enabled && window_get_flag(WINDOW_FLAG_RESIZE_DISABLED, p_window)) { // Set the window as resizable to prevent window managers to ignore the fullscreen state flag. XSizeHints *xsh; xsh = XAllocSizeHints(); xsh->flags = 0L; XSetWMNormalHints(x11_display, wd.x11_window, xsh); XFree(xsh); } // 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; 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. Size2i size = window_get_size(p_window); XSizeHints *xsh; xsh = XAllocSizeHints(); if (window_get_flag(WINDOW_FLAG_RESIZE_DISABLED, p_window)) { xsh->flags = PMinSize | PMaxSize; xsh->min_width = size.x; xsh->max_width = size.x; xsh->min_height = size.y; xsh->max_height = size.y; } else { xsh->flags = 0L; 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); // put back or remove decorations according to the last set borderless state Hints hints; Atom property; hints.flags = 2; hints.decorations = window_get_flag(WINDOW_FLAG_BORDERLESS, p_window) ? 0 : 1; property = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True); 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_FULLSCREEN: { //Remove full-screen _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); wd.fullscreen = false; 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_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); } _set_wm_fullscreen(p_window, true); wd.fullscreen = 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); 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: { XSizeHints *xsh; xsh = XAllocSizeHints(); if (p_enabled) { Size2i size = window_get_size(p_window); xsh->flags = PMinSize | PMaxSize; xsh->min_width = size.x; xsh->max_width = size.x; xsh->min_height = size.y; xsh->max_height = size.y; } else { xsh->flags = 0L; 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); wd.resize_disabled = p_enabled; 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); 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; 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 = !((Hints *)data)->decorations; } if (data) { XFree(data); } } } return borderless; } break; case WINDOW_FLAG_ALWAYS_ON_TOP: { return wd.on_top; } break; case WINDOW_FLAG_TRANSPARENT: { //todo reimplement } break; default: { } } return false; } void DisplayServerX11::window_request_attention(WindowID p_window) { _THREAD_SAFE_METHOD_ ERR_FAIL_COND(!windows.has(p_window)); 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)); 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 (Map::Element *E = windows.front(); E; E = E->next()) { 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; } if (p_active) { XSetICFocus(wd.xic); window_set_ime_position(wd.im_position, p_window); } else { 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); 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 (Map::Element *E = windows.front(); E; E = E->next()) { XDefineCursor(x11_display, E->get().x11_window, cursors[p_shape]); } } else if (cursors[CURSOR_ARROW] != None) { for (Map::Element *E = windows.front(); E; E = E->next()) { XDefineCursor(x11_display, E->get().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 RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) { _THREAD_SAFE_METHOD_ if (p_cursor.is_valid()) { Map>::Element *cursor_c = cursors_cache.find(p_shape); if (cursor_c) { if (cursor_c->get()[0] == p_cursor && cursor_c->get()[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_data(); } 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_data(); 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 (Map::Element *E = windows.front(); E; E = E->next()) { XDefineCursor(x11_display, E->get().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 != NULL) { _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 != NULL) { _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) { char *name = XGetAtomName(x11_display, names); Vector info = String(name).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) + ")."); } XFree(name); } 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 != NULL) { _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) { char *full_name = XGetAtomName(x11_display, groups[p_index]); ret.parse_utf8(full_name); XFree(full_name); } else { ERR_PRINT("Index " + itos(p_index) + "is out of bounds (" + itos(_group_count) + ")."); } XkbFreeKeyboard(kbd, 0, true); } return ret; } DisplayServerX11::Property DisplayServerX11::_read_property(Display *p_display, Window p_window, Atom p_property) { Atom actual_type; int actual_format; unsigned long nitems; unsigned long bytes_after; unsigned char *ret = nullptr; int read_bytes = 1024; //Keep trying to read the property until there are no //bytes unread. 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, 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 && String(XGetAtomName(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 && String(XGetAtomName(p_disp, p_t1)) == target_type) { return p_t1; } if (p_t2 != None && String(XGetAtomName(p_disp, p_t2)) == target_type) { return p_t2; } if (p_t3 != None && String(XGetAtomName(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((p_x11_state & ShiftMask)); state->set_control((p_x11_state & ControlMask)); state->set_alt((p_x11_state & Mod1Mask /*|| p_x11_state&Mod5Mask*/)); //altgr should not count as alt state->set_metakey((p_x11_state & Mod4Mask)); } unsigned int DisplayServerX11::_get_mouse_button_state(unsigned int p_x11_button, int p_x11_type) { unsigned int mask = 1 << (p_x11_button - 1); 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, 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 chosse 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; unsigned int keycode = KeyMappingX11::get_keycode(keysym_keycode); unsigned int physical_keycode = KeyMappingX11::get_scancode(xkeyevent->keycode); if (keycode >= 'a' && keycode <= 'z') { keycode -= 'a' - 'A'; } String tmp; tmp.parse_utf8(utf8string, utf8bytes); for (int i = 0; i < tmp.length(); i++) { Ref k; k.instance(); if (physical_keycode == 0 && keycode == 0 && tmp[i] == 0) { continue; } if (keycode == 0) { keycode = 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(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(true); } Input::get_singleton()->accumulate_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. unsigned int keycode = KeyMappingX11::get_keycode(keysym_keycode); unsigned int 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. // XEventFilter 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 == 0 && keycode == 0 && unicode == 0) { return; } if (keycode == 0) { keycode = 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.instance(); 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 use XPeekEvent 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 (XPending(x11_display) > 0) { XEvent peek_event; XPeekEvent(x11_display, &peek_event); // 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) { XEvent event; XNextEvent(x11_display, &event); //erase next event _handle_key_event(p_window, (XKeyEvent *)&event, 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 >= 'a' && keycode <= 'z') { keycode -= 'a' - 'A'; } k->set_keycode(keycode); k->set_physical_keycode(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(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(false); } else if (k->get_keycode() == KEY_CONTROL) { k->set_control(false); } else if (k->get_keycode() == KEY_ALT) { k->set_alt(false); } else if (k->get_keycode() == KEY_META) { k->set_metakey(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()->accumulate_input_event(k); } 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 (Map::Element *E = ds->windows.front(); E; E = E->next()) { E->get().xic = nullptr; } } void DisplayServerX11::_window_changed(XEvent *event) { WindowID window_id = MAIN_WINDOW_ID; // Assign the event to the relevant window for (Map::Element *E = windows.front(); E; E = E->next()) { if (event->xany.window == E->get().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 (rendering_driver == "vulkan") { context_vulkan->window_resize(window_id, wd.size.width, wd.size.height); } #endif print_line("DisplayServer::_window_changed: " + itos(window_id) + " rect: " + new_rect); 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) { ((DisplayServerX11 *)(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; Ref event_from_window = p_event; if (event_from_window.is_valid() && event_from_window->get_window_id() != INVALID_WINDOW_ID) { //send to a window ERR_FAIL_COND(!windows.has(event_from_window->get_window_id())); Callable callable = windows[event_from_window->get_window_id()].input_event_callback; if (callable.is_null()) { return; } callable.call((const Variant **)&evp, 1, ret, ce); } else { //send to all windows for (Map::Element *E = windows.front(); E; E = E->next()) { Callable callable = E->get().input_event_callback; if (callable.is_null()) { continue; } 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::process_events() { _THREAD_SAFE_METHOD_ if (app_focused) { //verify that one of the windows has focus, else send focus out notification bool focus_found = false; for (Map::Element *E = windows.front(); E; E = E->next()) { if (E->get().focused) { focus_found = true; } } if (!focus_found) { if (OS::get_singleton()->get_main_loop()) { OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_FOCUS_OUT); } app_focused = false; } } 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; xi.pressure = 0; xi.tilt = Vector2(); xi.pressure_supported = false; while (XPending(x11_display) > 0) { XEvent event; XNextEvent(x11_display, &event); WindowID window_id = MAIN_WINDOW_ID; // Assign the event to the relevant window for (Map::Element *E = windows.front(); E; E = E->next()) { if (event.xany.window == E->get().x11_window) { window_id = E->key(); break; } } if (XFilterEvent(&event, None)) { continue; } 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)) { Map::Element *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)) { Map::Element *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 != Vector2()) { xi.tilt.x = ((*values - pen_tilt_x_range[0]) / (pen_tilt_x_range[1] - pen_tilt_x_range[0])) * 2 - 1; } } values++; } if (XIMaskIsSet(raw_event->valuators.mask, VALUATOR_TILTY)) { Map::Element *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 != Vector2()) { xi.tilt.y = ((*values - pen_tilt_y_range[0]) / (pen_tilt_y_range[1] - pen_tilt_y_range[0])) * 2 - 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; Map::Element *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: // Fall-through // Disabled hand-in-hand with the grabbing //XIAllowTouchEvents(x11_display, event_data->deviceid, event_data->detail, x11_window, XIAcceptTouch); case XI_TouchEnd: { bool is_begin = event_data->evtype == XI_TouchBegin; Ref st; st.instance(); 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()->accumulate_input_event(st); } else { if (!xi.state.has(index)) { // Defensive break; } xi.state.erase(index); Input::get_singleton()->accumulate_input_event(st); } } break; case XI_TouchUpdate: { Map::Element *curr_pos_elem = xi.state.find(index); if (!curr_pos_elem) { // Defensive break; } if (curr_pos_elem->value() != pos) { Ref sd; sd.instance(); 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()->accumulate_input_event(sd); curr_pos_elem->value() = pos; } } break; #endif } } } XFreeEventData(x11_display, &event.xcookie); switch (event.type) { case Expose: Main::force_redraw(); break; case NoExpose: windows[window_id].minimized = true; break; case VisibilityNotify: { XVisibilityEvent *visibility = (XVisibilityEvent *)&event; windows[window_id].minimized = (visibility->state == VisibilityFullyObscured); } break; case LeaveNotify: { if (!mouse_mode_grab) { _send_window_event(windows[window_id], WINDOW_EVENT_MOUSE_EXIT); } } break; case EnterNotify: { if (!mouse_mode_grab) { _send_window_event(windows[window_id], WINDOW_EVENT_MOUSE_ENTER); } } break; case FocusIn: windows[window_id].focused = true; _send_window_event(windows[window_id], WINDOW_EVENT_FOCUS_IN); if (mouse_mode_grab) { // Show and update the cursor if confined and the window regained focus. for (Map::Element *E = windows.front(); E; E = E->next()) { if (mouse_mode == MOUSE_MODE_CONFINED) { XUndefineCursor(x11_display, E->get().x11_window); } else if (mouse_mode == MOUSE_MODE_CAPTURED) { // or re-hide it in captured mode XDefineCursor(x11_display, E->get().x11_window, null_cursor); } XGrabPointer( x11_display, E->get().x11_window, True, ButtonPressMask | ButtonReleaseMask | PointerMotionMask, GrabModeAsync, GrabModeAsync, E->get().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 (windows[window_id].xic) { XSetICFocus(windows[window_id].xic); } 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: windows[window_id].focused = false; Input::get_singleton()->release_pressed_events(); _send_window_event(windows[window_id], WINDOW_EVENT_FOCUS_OUT); if (mouse_mode_grab) { for (Map::Element *E = windows.front(); E; E = E->next()) { //dear X11, I try, I really try, but you never work, you do whathever 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->get().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 (Map::Element *E = xi.state.front(); E; E = E->next()) { Ref st; st.instance(); st->set_index(E->key()); st->set_window_id(window_id); st->set_position(E->get()); Input::get_singleton()->accumulate_input_event(st); } xi.state.clear(); #endif if (windows[window_id].xic) { XSetICFocus(windows[window_id].xic); } break; case ConfigureNotify: _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.instance(); mb->set_window_id(window_id); _get_key_modifier_state(event.xbutton.state, mb); mb->set_button_index(event.xbutton.button); if (mb->get_button_index() == 2) { mb->set_button_index(3); } else if (mb->get_button_index() == 3) { mb->set_button_index(2); } 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)); if (event.type == ButtonPress) { 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 = -1; mb->set_doubleclick(true); } } else if (mb->get_button_index() < 4 || mb->get_button_index() > 7) { last_click_button_index = mb->get_button_index(); } if (!mb->is_doubleclick()) { last_click_ms += diff; last_click_pos = Point2i(event.xbutton.x, event.xbutton.y); } } Input::get_singleton()->accumulate_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. while (true) { if (mouse_mode == MOUSE_MODE_CAPTURED && event.xmotion.x == windows[MAIN_WINDOW_ID].size.width / 2 && event.xmotion.y == windows[MAIN_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 (XPending(x11_display) > 0) { XEvent tevent; XPeekEvent(x11_display, &tevent); if (tevent.type == MotionNotify) { XNextEvent(x11_display, &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; } 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 = windows[window_id].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[MAIN_WINDOW_ID].size.width / 2, windows[MAIN_WINDOW_ID].size.height / 2); } Ref mm; mm.instance(); mm->set_window_id(window_id); if (xi.pressure_supported) { mm->set_pressure(xi.pressure); } else { mm->set_pressure((mouse_get_button_state() & (1 << (BUTTON_LEFT - 1))) ? 1.0f : 0.0f); } mm->set_tilt(xi.tilt); // Make the absolute position integral so it doesn't look _too_ weird :) Point2i posi(pos); _get_key_modifier_state(event.xmotion.state, mm); mm->set_button_mask(mouse_get_button_state()); mm->set_position(posi); mm->set_global_position(posi); Input::get_singleton()->set_mouse_position(posi); mm->set_speed(Input::get_singleton()->get_last_mouse_speed()); 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 (windows[window_id].focused || !mouse_mode_grab) { Input::get_singleton()->accumulate_input_event(mm); } } break; case KeyPress: case KeyRelease: { 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, (XKeyEvent *)&event); } break; case SelectionRequest: { XSelectionRequestEvent *req; XEvent e, respond; e = event; req = &(e.xselectionrequest); if (req->target == XInternAtom(x11_display, "UTF8_STRING", 0) || req->target == XInternAtom(x11_display, "COMPOUND_TEXT", 0) || req->target == XInternAtom(x11_display, "TEXT", 0) || req->target == XA_STRING || req->target == XInternAtom(x11_display, "text/plain;charset=utf-8", 0) || req->target == XInternAtom(x11_display, "text/plain", 0)) { CharString clip = clipboard_get().utf8(); XChangeProperty(x11_display, req->requestor, req->property, req->target, 8, PropModeReplace, (unsigned char *)clip.get_data(), clip.length()); respond.xselection.property = req->property; } else if (req->target == XInternAtom(x11_display, "TARGETS", 0)) { Atom data[7]; data[0] = XInternAtom(x11_display, "TARGETS", 0); data[1] = XInternAtom(x11_display, "UTF8_STRING", 0); data[2] = XInternAtom(x11_display, "COMPOUND_TEXT", 0); data[3] = XInternAtom(x11_display, "TEXT", 0); data[4] = XA_STRING; data[5] = XInternAtom(x11_display, "text/plain;charset=utf-8", 0); data[6] = XInternAtom(x11_display, "text/plain", 0); XChangeProperty(x11_display, req->requestor, req->property, XA_ATOM, 32, PropModeReplace, (unsigned char *)&data, sizeof(data) / sizeof(data[0])); respond.xselection.property = req->property; } else { char *targetname = XGetAtomName(x11_display, req->target); printf("No Target '%s'\n", targetname); if (targetname) { XFree(targetname); } respond.xselection.property = None; } respond.xselection.type = SelectionNotify; respond.xselection.display = req->display; respond.xselection.requestor = req->requestor; respond.xselection.selection = req->selection; respond.xselection.target = req->target; respond.xselection.time = req->time; XSendEvent(x11_display, req->requestor, True, NoEventMask, &respond); XFlush(x11_display); } 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); for (int i = 0; i < files.size(); i++) { files.write[i] = files[i].replace("file://", "").http_unescape().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); } 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_accumulated_events(); } void DisplayServerX11::release_rendering_thread() { } void DisplayServerX11::make_rendering_thread() { } void DisplayServerX11::swap_buffers() { } 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 (Map::Element *E = windows.front(); E; E = E->next()) { _update_context(E->get()); } } 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; } 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); } Vector DisplayServerX11::get_rendering_drivers_func() { Vector drivers; #ifdef VULKAN_ENABLED drivers.push_back("vulkan"); #endif #ifdef OPENGL_ENABLED drivers.push_back("opengl"); #endif return drivers; } DisplayServer *DisplayServerX11::create_func(const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) { return memnew(DisplayServerX11(p_rendering_driver, p_mode, p_flags, p_resolution, r_error)); } DisplayServerX11::WindowID DisplayServerX11::_create_window(WindowMode p_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; { WindowData wd; 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); XMapWindow(x11_display, wd.x11_window); //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); 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); XChangeProperty(x11_display, wd.x11_window, xdnd_aware, XA_ATOM, 32, PropModeReplace, (unsigned char *)&xdnd_version, 1); if (xim && xim_style) { 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); id = window_id_counter++; windows[id] = wd; { if (p_flags & WINDOW_FLAG_RESIZE_DISABLED_BIT) { XSizeHints *xsh; xsh = XAllocSizeHints(); xsh->flags = PMinSize | PMaxSize; xsh->min_width = p_rect.size.width; xsh->max_width = p_rect.size.width; xsh->min_height = p_rect.size.height; xsh->max_height = p_rect.size.height; XSetWMNormalHints(x11_display, wd.x11_window, xsh); XFree(xsh); } bool make_utility = false; 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); XChangeProperty(x11_display, wd.x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5); make_utility = true; } if (p_flags & WINDOW_FLAG_NO_FOCUS_BIT) { make_utility = true; } if (make_utility) { //this one seems to disable the fade animations for regular windows //but has the drawback that will not get focus by default, so //we need fo force it, unless no focus requested Atom type_atom = XInternAtom(x11_display, "_NET_WM_WINDOW_TYPE_UTILITY", False); Atom wt_atom = XInternAtom(x11_display, "_NET_WM_WINDOW_TYPE", False); XChangeProperty(x11_display, wd.x11_window, wt_atom, XA_ATOM, 32, PropModeReplace, (unsigned char *)&type_atom, 1); if (!(p_flags & WINDOW_FLAG_NO_FOCUS_BIT)) { //but as utility appears unfocused, it needs to be forcefuly focused, unless no focus requested 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); } } else { Atom type_atom = XInternAtom(x11_display, "_NET_WM_WINDOW_TYPE_NORMAL", False); Atom wt_atom = XInternAtom(x11_display, "_NET_WM_WINDOW_TYPE", False); XChangeProperty(x11_display, wd.x11_window, wt_atom, XA_ATOM, 32, PropModeReplace, (unsigned char *)&type_atom, 1); } } if (id != MAIN_WINDOW_ID) { XSizeHints my_hints = XSizeHints(); my_hints.flags = PPosition | PSize; /* I want to specify position and size */ my_hints.x = p_rect.position.x; /* The origin and size coords I want */ my_hints.y = p_rect.position.y; my_hints.width = p_rect.size.width; my_hints.height = p_rect.size.height; XSetNormalHints(x11_display, wd.x11_window, &my_hints); XMoveWindow(x11_display, wd.x11_window, p_rect.position.x, p_rect.position.y); } #if defined(VULKAN_ENABLED) if (context_vulkan) { Error err = context_vulkan->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 a Vulkan window"); } #endif //set_class_hint(x11_display, wd.x11_window); XFlush(x11_display); XSync(x11_display, False); //XSetErrorHandler(oldHandler); XFree(visualInfo); } WindowData &wd = windows[id]; 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; print_line("DisplayServer::_create_window " + itos(id) + " want rect: " + p_rect + " got rect " + Rect2i(xwa.x, xwa.y, xwa.width, 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, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) { Input::get_singleton()->set_event_dispatch_function(_dispatch_input_events); r_error = OK; current_cursor = CURSOR_ARROW; mouse_mode = MOUSE_MODE_VISIBLE; for (int i = 0; i < CURSOR_MAX; i++) { cursors[i] = None; img[i] = nullptr; } last_button_state = 0; xmbstring = nullptr; last_click_ms = 0; last_click_button_index = -1; last_click_pos = Point2i(-100, -100); last_timestamp = 0; last_mouse_pos_valid = false; last_keyrelease_time = 0; 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; xrr_get_monitors = nullptr; xrr_free_monitors = nullptr; 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(); 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()) { 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); } /* Atorm internment */ wm_delete = XInternAtom(x11_display, "WM_DELETE_WINDOW", true); //Set Xdnd (drag & drop) support xdnd_aware = XInternAtom(x11_display, "XdndAware", False); xdnd_version = 5; 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); //!!!!!!!!!!!!!!!!!!!!!!!!!! //TODO - do Vulkan and GLES2 support checks, driver selection and fallback rendering_driver = p_rendering_driver; #ifndef _MSC_VER #warning Forcing vulkan rendering driver because OpenGL not implemented yet #endif rendering_driver = "vulkan"; #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"); } } #endif // Init context and rendering device #if defined(OPENGL_ENABLED) if (rendering_driver == "opengl_es") { 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; } if (getenv("LD_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); } } ContextGL_X11::ContextType opengl_api_type = ContextGL_X11::GLES_2_0_COMPATIBLE; context_gles2 = memnew(ContextGL_X11(x11_display, x11_window, current_videomode, opengl_api_type)); if (context_gles2->initialize() != OK) { memdelete(context_gles2); context_gles2 = nullptr; ERR_FAIL_V(ERR_UNAVAILABLE); } context_gles2->set_use_vsync(current_videomode.use_vsync); if (RasterizerGLES2::is_viable() == OK) { RasterizerGLES2::register_config(); RasterizerGLES2::make_current(); } else { memdelete(context_gles2); context_gles2 = nullptr; ERR_FAIL_V(ERR_UNAVAILABLE); } } #endif 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_flags, Rect2i(window_position, p_resolution)); for (int i = 0; i < WINDOW_FLAG_MAX; i++) { if (p_flags & (1 << i)) { window_set_flag(WindowFlags(i), true, main_window); } } //create RenderingDevice if used #if defined(VULKAN_ENABLED) if (rendering_driver == "vulkan") { //temporary rendering_device_vulkan = memnew(RenderingDeviceVulkan); rendering_device_vulkan->initialize(context_vulkan); RasterizerRD::make_current(); } #endif /* rendering_server = memnew(RenderingServerRaster); if (get_render_thread_mode() != RENDER_THREAD_UNSAFE) { rendering_server = memnew(RenderingServerWrapMT(rendering_server, get_render_thread_mode() == RENDER_SEPARATE_THREAD)); } */ { //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); } // Disabled by now since grabbing also blocks mouse events // (they are received as extended events instead of standard events) /*XIClearMask(xi.touch_event_mask.mask, XI_TouchOwnership); // 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); }*/ 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); requested = None; /*if (p_desired.layered) { set_window_per_pixel_transparency_enabled(true); }*/ XEvent xevent; while (XPending(x11_display) > 0) { XNextEvent(x11_display, &xevent); if (xevent.type == ConfigureNotify) { _window_changed(&xevent); } } _update_real_mouse_position(windows[MAIN_WINDOW_ID]); r_error = OK; } DisplayServerX11::~DisplayServerX11() { //destroy all windows for (Map::Element *E = windows.front(); E; E = E->next()) { #ifdef VULKAN_ENABLED if (rendering_driver == "vulkan") { context_vulkan->window_destroy(E->key()); } #endif if (E->get().xic) { XDestroyIC(E->get().xic); } XUnmapWindow(x11_display, E->get().x11_window); XDestroyWindow(x11_display, E->get().x11_window); } //destroy drivers #if defined(VULKAN_ENABLED) if (rendering_driver == "vulkan") { if (rendering_device_vulkan) { rendering_device_vulkan->finalize(); memdelete(rendering_device_vulkan); } if (context_vulkan) { memdelete(context_vulkan); } } #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); } } void DisplayServerX11::register_x11_driver() { register_create_function("x11", create_func, get_rendering_drivers_func); } #endif // X11 enabled