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383 lines
14 KiB
C++
383 lines
14 KiB
C++
/*************************************************************************/
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/* display_server_x11.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef DISPLAY_SERVER_X11_H
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#define DISPLAY_SERVER_X11_H
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#ifdef X11_ENABLED
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#include "servers/display_server.h"
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#include "core/input/input.h"
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#include "core/templates/local_vector.h"
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#include "drivers/alsa/audio_driver_alsa.h"
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#include "drivers/alsamidi/midi_driver_alsamidi.h"
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#include "drivers/pulseaudio/audio_driver_pulseaudio.h"
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#include "drivers/unix/os_unix.h"
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#include "joypad_linux.h"
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#include "servers/audio_server.h"
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#include "servers/rendering/renderer_compositor.h"
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#include "servers/rendering_server.h"
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#if defined(OPENGL_ENABLED)
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#include "context_gl_x11.h"
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#endif
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#if defined(VULKAN_ENABLED)
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#include "drivers/vulkan/rendering_device_vulkan.h"
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#include "platform/linuxbsd/vulkan_context_x11.h"
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#endif
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#include <X11/Xcursor/Xcursor.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/XInput2.h>
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#include <X11/extensions/Xrandr.h>
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#include <X11/keysym.h>
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typedef struct _xrr_monitor_info {
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Atom name;
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Bool primary = false;
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Bool automatic = false;
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int noutput = 0;
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int x = 0;
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int y = 0;
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int width = 0;
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int height = 0;
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int mwidth = 0;
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int mheight = 0;
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RROutput *outputs = nullptr;
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} xrr_monitor_info;
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#undef CursorShape
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class DisplayServerX11 : public DisplayServer {
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//No need to register, it's platform-specific and nothing is added
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//GDCLASS(DisplayServerX11, DisplayServer)
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_THREAD_SAFE_CLASS_
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Atom wm_delete;
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Atom xdnd_enter;
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Atom xdnd_position;
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Atom xdnd_status;
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Atom xdnd_action_copy;
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Atom xdnd_drop;
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Atom xdnd_finished;
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Atom xdnd_selection;
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Atom xdnd_aware;
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Atom requested;
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int xdnd_version;
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#if defined(OPENGL_ENABLED)
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ContextGL_X11 *context_gles2;
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#endif
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#if defined(VULKAN_ENABLED)
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VulkanContextX11 *context_vulkan;
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RenderingDeviceVulkan *rendering_device_vulkan;
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#endif
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struct WindowData {
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Window x11_window;
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::XIC xic;
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Size2i min_size;
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Size2i max_size;
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Point2i position;
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Size2i size;
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Point2i im_position;
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bool im_active = false;
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Callable rect_changed_callback;
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Callable event_callback;
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Callable input_event_callback;
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Callable input_text_callback;
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Callable drop_files_callback;
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WindowID transient_parent = INVALID_WINDOW_ID;
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Set<WindowID> transient_children;
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ObjectID instance_id;
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bool menu_type = false;
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bool no_focus = false;
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//better to guess on the fly, given WM can change it
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//WindowMode mode;
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bool fullscreen = false; //OS can't exit from this mode
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bool on_top = false;
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bool borderless = false;
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bool resize_disabled = false;
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Vector2i last_position_before_fs;
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bool focused = false;
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bool minimized = false;
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unsigned int focus_order = 0;
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};
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Map<WindowID, WindowData> windows;
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WindowID window_id_counter = MAIN_WINDOW_ID;
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WindowID _create_window(WindowMode p_mode, uint32_t p_flags, const Rect2i &p_rect);
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String internal_clipboard;
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Window xdnd_source_window;
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::Display *x11_display;
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char *xmbstring;
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int xmblen;
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unsigned long last_timestamp;
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::Time last_keyrelease_time;
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::XIM xim;
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::XIMStyle xim_style;
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static void _xim_destroy_callback(::XIM im, ::XPointer client_data,
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::XPointer call_data);
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Point2i last_mouse_pos;
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bool last_mouse_pos_valid;
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Point2i last_click_pos;
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uint64_t last_click_ms;
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int last_click_button_index;
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uint32_t last_button_state;
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bool app_focused = false;
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uint64_t time_since_no_focus = 0;
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struct {
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int opcode;
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Vector<int> touch_devices;
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Map<int, Vector2> absolute_devices;
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Map<int, Vector2> pen_pressure_range;
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Map<int, Vector2> pen_tilt_x_range;
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Map<int, Vector2> pen_tilt_y_range;
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XIEventMask all_event_mask;
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Map<int, Vector2> state;
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double pressure;
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bool pressure_supported;
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Vector2 tilt;
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Vector2 mouse_pos_to_filter;
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Vector2 relative_motion;
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Vector2 raw_pos;
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Vector2 old_raw_pos;
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::Time last_relative_time;
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} xi;
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bool _refresh_device_info();
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unsigned int _get_mouse_button_state(unsigned int p_x11_button, int p_x11_type);
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void _get_key_modifier_state(unsigned int p_x11_state, Ref<InputEventWithModifiers> state);
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void _flush_mouse_motion();
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MouseMode mouse_mode;
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Point2i center;
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void _handle_key_event(WindowID p_window, XKeyEvent *p_event, LocalVector<XEvent> &p_events, uint32_t &p_event_index, bool p_echo = false);
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Atom _process_selection_request_target(Atom p_target, Window p_requestor, Atom p_property) const;
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void _handle_selection_request_event(XSelectionRequestEvent *p_event) const;
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String _clipboard_get_impl(Atom p_source, Window x11_window, Atom target) const;
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String _clipboard_get(Atom p_source, Window x11_window) const;
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void _clipboard_transfer_ownership(Atom p_source, Window x11_window) const;
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//bool minimized;
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//bool window_has_focus;
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bool do_mouse_warp;
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const char *cursor_theme;
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int cursor_size;
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XcursorImage *img[CURSOR_MAX];
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Cursor cursors[CURSOR_MAX];
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Cursor null_cursor;
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CursorShape current_cursor;
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Map<CursorShape, Vector<Variant>> cursors_cache;
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bool layered_window;
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String rendering_driver;
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//bool window_focused;
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//void set_wm_border(bool p_enabled);
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void set_wm_fullscreen(bool p_enabled);
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void set_wm_above(bool p_enabled);
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typedef xrr_monitor_info *(*xrr_get_monitors_t)(Display *dpy, Window window, Bool get_active, int *nmonitors);
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typedef void (*xrr_free_monitors_t)(xrr_monitor_info *monitors);
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xrr_get_monitors_t xrr_get_monitors;
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xrr_free_monitors_t xrr_free_monitors;
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void *xrandr_handle;
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Bool xrandr_ext_ok;
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struct Property {
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unsigned char *data;
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int format, nitems;
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Atom type;
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};
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static Property _read_property(Display *p_display, Window p_window, Atom p_property);
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void _update_real_mouse_position(const WindowData &wd);
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bool _window_maximize_check(WindowID p_window, const char *p_atom_name) const;
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void _update_size_hints(WindowID p_window);
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void _set_wm_fullscreen(WindowID p_window, bool p_enabled);
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void _set_wm_maximized(WindowID p_window, bool p_enabled);
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void _update_context(WindowData &wd);
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Context context = CONTEXT_ENGINE;
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void _send_window_event(const WindowData &wd, WindowEvent p_event);
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static void _dispatch_input_events(const Ref<InputEvent> &p_event);
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void _dispatch_input_event(const Ref<InputEvent> &p_event);
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mutable Mutex events_mutex;
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Thread *events_thread = nullptr;
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bool events_thread_done = false;
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LocalVector<XEvent> polled_events;
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static void _poll_events_thread(void *ud);
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bool _wait_for_events() const;
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void _poll_events();
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static Bool _predicate_all_events(Display *display, XEvent *event, XPointer arg);
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static Bool _predicate_clipboard_selection(Display *display, XEvent *event, XPointer arg);
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static Bool _predicate_clipboard_incr(Display *display, XEvent *event, XPointer arg);
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static Bool _predicate_clipboard_save_targets(Display *display, XEvent *event, XPointer arg);
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protected:
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void _window_changed(XEvent *event);
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public:
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virtual bool has_feature(Feature p_feature) const;
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virtual String get_name() const;
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virtual void alert(const String &p_alert, const String &p_title = "ALERT!");
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virtual void mouse_set_mode(MouseMode p_mode);
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virtual MouseMode mouse_get_mode() const;
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virtual void mouse_warp_to_position(const Point2i &p_to);
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virtual Point2i mouse_get_position() const;
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virtual Point2i mouse_get_absolute_position() const;
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virtual int mouse_get_button_state() const;
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virtual void clipboard_set(const String &p_text);
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virtual String clipboard_get() const;
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virtual int get_screen_count() const;
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virtual Point2i screen_get_position(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
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virtual Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
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virtual Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
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virtual int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
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virtual bool screen_is_touchscreen(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
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virtual Vector<DisplayServer::WindowID> get_window_list() const;
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virtual WindowID create_sub_window(WindowMode p_mode, uint32_t p_flags, const Rect2i &p_rect = Rect2i());
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virtual void show_window(WindowID p_id);
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virtual void delete_sub_window(WindowID p_id);
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virtual WindowID get_window_at_screen_position(const Point2i &p_position) const;
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virtual void window_attach_instance_id(ObjectID p_instance, WindowID p_window = MAIN_WINDOW_ID);
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virtual ObjectID window_get_attached_instance_id(WindowID p_window = MAIN_WINDOW_ID) const;
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virtual void window_set_title(const String &p_title, WindowID p_window = MAIN_WINDOW_ID);
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virtual void window_set_mouse_passthrough(const Vector<Vector2> &p_region, WindowID p_window = MAIN_WINDOW_ID);
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virtual void window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID);
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virtual void window_set_window_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID);
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virtual void window_set_input_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID);
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virtual void window_set_input_text_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID);
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virtual void window_set_drop_files_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID);
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virtual int window_get_current_screen(WindowID p_window = MAIN_WINDOW_ID) const;
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virtual void window_set_current_screen(int p_screen, WindowID p_window = MAIN_WINDOW_ID);
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virtual Point2i window_get_position(WindowID p_window = MAIN_WINDOW_ID) const;
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virtual void window_set_position(const Point2i &p_position, WindowID p_window = MAIN_WINDOW_ID);
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virtual void window_set_max_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID);
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virtual Size2i window_get_max_size(WindowID p_window = MAIN_WINDOW_ID) const;
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virtual void window_set_transient(WindowID p_window, WindowID p_parent);
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virtual void window_set_min_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID);
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virtual Size2i window_get_min_size(WindowID p_window = MAIN_WINDOW_ID) const;
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virtual void window_set_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID);
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virtual Size2i window_get_size(WindowID p_window = MAIN_WINDOW_ID) const;
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virtual Size2i window_get_real_size(WindowID p_window = MAIN_WINDOW_ID) const;
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virtual void window_set_mode(WindowMode p_mode, WindowID p_window = MAIN_WINDOW_ID);
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virtual WindowMode window_get_mode(WindowID p_window = MAIN_WINDOW_ID) const;
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virtual bool window_is_maximize_allowed(WindowID p_window = MAIN_WINDOW_ID) const;
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virtual void window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window = MAIN_WINDOW_ID);
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virtual bool window_get_flag(WindowFlags p_flag, WindowID p_window = MAIN_WINDOW_ID) const;
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virtual void window_request_attention(WindowID p_window = MAIN_WINDOW_ID);
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virtual void window_move_to_foreground(WindowID p_window = MAIN_WINDOW_ID);
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virtual bool window_can_draw(WindowID p_window = MAIN_WINDOW_ID) const;
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virtual bool can_any_window_draw() const;
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virtual void window_set_ime_active(const bool p_active, WindowID p_window = MAIN_WINDOW_ID);
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virtual void window_set_ime_position(const Point2i &p_pos, WindowID p_window = MAIN_WINDOW_ID);
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virtual void cursor_set_shape(CursorShape p_shape);
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virtual CursorShape cursor_get_shape() const;
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virtual void cursor_set_custom_image(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot);
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virtual int keyboard_get_layout_count() const;
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virtual int keyboard_get_current_layout() const;
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virtual void keyboard_set_current_layout(int p_index);
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virtual String keyboard_get_layout_language(int p_index) const;
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virtual String keyboard_get_layout_name(int p_index) const;
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virtual void process_events();
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virtual void release_rendering_thread();
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virtual void make_rendering_thread();
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virtual void swap_buffers();
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virtual void set_context(Context p_context);
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virtual void set_native_icon(const String &p_filename);
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virtual void set_icon(const Ref<Image> &p_icon);
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static DisplayServer *create_func(const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
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static Vector<String> get_rendering_drivers_func();
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static void register_x11_driver();
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DisplayServerX11(const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
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~DisplayServerX11();
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};
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#endif // X11 enabled
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#endif // DISPLAY_SERVER_X11_H
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