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virtualx-engine/platform/linuxbsd/x11/display_server_x11.h
Juan Linietsky 15144c24bd Implement a transient_to_focused mode 
This intends to be the correct way to handle non-child windows becoming covered by the current window when becoming focused.
Enabling this property on select windows, they will become transient to the currently focused one when becoming visible.

This deprecates the "unparent_when_invisible" function introduced by #76025.
2024-01-14 18:51:44 +01:00

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/**************************************************************************/
/* display_server_x11.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#ifndef DISPLAY_SERVER_X11_H
#define DISPLAY_SERVER_X11_H
#ifdef X11_ENABLED
#include "joypad_linux.h"
#include "core/input/input.h"
#include "core/os/mutex.h"
#include "core/os/thread.h"
#include "core/templates/local_vector.h"
#include "drivers/alsa/audio_driver_alsa.h"
#include "drivers/alsamidi/midi_driver_alsamidi.h"
#include "drivers/pulseaudio/audio_driver_pulseaudio.h"
#include "drivers/unix/os_unix.h"
#include "servers/audio_server.h"
#include "servers/display_server.h"
#include "servers/rendering/renderer_compositor.h"
#include "servers/rendering_server.h"
#if defined(SPEECHD_ENABLED)
#include "tts_linux.h"
#endif
#if defined(GLES3_ENABLED)
#include "x11/gl_manager_x11.h"
#include "x11/gl_manager_x11_egl.h"
#endif
#if defined(RD_ENABLED)
#include "servers/rendering/rendering_device.h"
#if defined(VULKAN_ENABLED)
#include "x11/vulkan_context_x11.h"
#endif
#endif
#if defined(DBUS_ENABLED)
#include "freedesktop_portal_desktop.h"
#include "freedesktop_screensaver.h"
#endif
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#ifdef SOWRAP_ENABLED
#include "x11/dynwrappers/xlib-so_wrap.h"
#include "x11/dynwrappers/xcursor-so_wrap.h"
#include "x11/dynwrappers/xext-so_wrap.h"
#include "x11/dynwrappers/xinerama-so_wrap.h"
#include "x11/dynwrappers/xinput2-so_wrap.h"
#include "x11/dynwrappers/xrandr-so_wrap.h"
#include "x11/dynwrappers/xrender-so_wrap.h"
#include "xkbcommon-so_wrap.h"
#else
#include <X11/XKBlib.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xcursor/Xcursor.h>
#include <X11/extensions/XInput2.h>
#include <X11/extensions/Xext.h>
#include <X11/extensions/Xinerama.h>
#include <X11/extensions/Xrandr.h>
#include <X11/extensions/Xrender.h>
#include <X11/extensions/shape.h>
#ifdef XKB_ENABLED
#include <xkbcommon/xkbcommon-compose.h>
#include <xkbcommon/xkbcommon-keysyms.h>
#include <xkbcommon/xkbcommon.h>
#endif
#endif
typedef struct _xrr_monitor_info {
Atom name;
Bool primary = false;
Bool automatic = false;
int noutput = 0;
int x = 0;
int y = 0;
int width = 0;
int height = 0;
int mwidth = 0;
int mheight = 0;
RROutput *outputs = nullptr;
} xrr_monitor_info;
#undef CursorShape
class DisplayServerX11 : public DisplayServer {
// No need to register with GDCLASS, it's platform-specific and nothing is added.
_THREAD_SAFE_CLASS_
Atom wm_delete;
Atom xdnd_enter;
Atom xdnd_position;
Atom xdnd_status;
Atom xdnd_action_copy;
Atom xdnd_drop;
Atom xdnd_finished;
Atom xdnd_selection;
Atom xdnd_aware;
Atom requested = None;
int xdnd_version = 5;
#if defined(GLES3_ENABLED)
GLManager_X11 *gl_manager = nullptr;
GLManagerEGL_X11 *gl_manager_egl = nullptr;
#endif
#if defined(RD_ENABLED)
ApiContextRD *context_rd = nullptr;
RenderingDevice *rendering_device = nullptr;
#endif
#if defined(DBUS_ENABLED)
FreeDesktopScreenSaver *screensaver = nullptr;
bool keep_screen_on = false;
#endif
#ifdef SPEECHD_ENABLED
TTS_Linux *tts = nullptr;
#endif
#if defined(DBUS_ENABLED)
FreeDesktopPortalDesktop *portal_desktop = nullptr;
#endif
struct WindowData {
Window x11_window;
Window x11_xim_window;
Window parent;
::XIC xic;
bool ime_active = false;
bool ime_in_progress = false;
bool ime_suppress_next_keyup = false;
#ifdef XKB_ENABLED
xkb_compose_state *xkb_state = nullptr;
#endif
Size2i min_size;
Size2i max_size;
Point2i position;
Size2i size;
Callable rect_changed_callback;
Callable event_callback;
Callable input_event_callback;
Callable input_text_callback;
Callable drop_files_callback;
Vector<Vector2> mpath;
WindowID transient_parent = INVALID_WINDOW_ID;
HashSet<WindowID> transient_children;
ObjectID instance_id;
bool no_focus = false;
//better to guess on the fly, given WM can change it
//WindowMode mode;
bool fullscreen = false; //OS can't exit from this mode
bool exclusive_fullscreen = false;
bool on_top = false;
bool borderless = false;
bool resize_disabled = false;
Vector2i last_position_before_fs;
bool focused = true;
bool minimized = false;
bool maximized = false;
bool is_popup = false;
bool layered_window = false;
bool mpass = false;
Rect2i parent_safe_rect;
unsigned int focus_order = 0;
};
Point2i im_selection;
String im_text;
#ifdef XKB_ENABLED
bool xkb_loaded_v05p = false;
bool xkb_loaded_v08p = false;
xkb_context *xkb_ctx = nullptr;
xkb_compose_table *dead_tbl = nullptr;
#endif
HashMap<WindowID, WindowData> windows;
unsigned int last_mouse_monitor_mask = 0;
uint64_t time_since_popup = 0;
List<WindowID> popup_list;
WindowID window_mouseover_id = INVALID_WINDOW_ID;
WindowID last_focused_window = INVALID_WINDOW_ID;
WindowID window_id_counter = MAIN_WINDOW_ID;
WindowID _create_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect);
String internal_clipboard;
String internal_clipboard_primary;
Window xdnd_source_window = 0;
::Display *x11_display;
char *xmbstring = nullptr;
int xmblen = 0;
unsigned long last_timestamp = 0;
::Time last_keyrelease_time = 0;
::XIM xim;
::XIMStyle xim_style;
static int _xim_preedit_start_callback(::XIM xim, ::XPointer client_data,
::XPointer call_data);
static void _xim_preedit_done_callback(::XIM xim, ::XPointer client_data,
::XPointer call_data);
static void _xim_preedit_draw_callback(::XIM xim, ::XPointer client_data,
::XIMPreeditDrawCallbackStruct *call_data);
static void _xim_preedit_caret_callback(::XIM xim, ::XPointer client_data,
::XIMPreeditCaretCallbackStruct *call_data);
static void _xim_destroy_callback(::XIM im, ::XPointer client_data,
::XPointer call_data);
Point2i last_mouse_pos;
bool last_mouse_pos_valid = false;
Point2i last_click_pos = Point2i(-100, -100);
uint64_t last_click_ms = 0;
MouseButton last_click_button_index = MouseButton::NONE;
BitField<MouseButtonMask> last_button_state;
bool app_focused = false;
uint64_t time_since_no_focus = 0;
struct {
int opcode;
Vector<int> touch_devices;
HashMap<int, Vector2> absolute_devices;
HashMap<int, Vector2> pen_pressure_range;
HashMap<int, Vector2> pen_tilt_x_range;
HashMap<int, Vector2> pen_tilt_y_range;
HashMap<int, bool> pen_inverted_devices;
XIEventMask all_event_mask;
HashMap<int, Vector2> state;
double pressure;
bool pressure_supported;
bool pen_inverted;
Vector2 tilt;
Vector2 mouse_pos_to_filter;
Vector2 relative_motion;
Vector2 raw_pos;
Vector2 old_raw_pos;
::Time last_relative_time;
} xi;
bool _refresh_device_info();
Rect2i _screen_get_rect(int p_screen) const;
BitField<MouseButtonMask> _get_mouse_button_state(MouseButton p_x11_button, int p_x11_type);
void _get_key_modifier_state(unsigned int p_x11_state, Ref<InputEventWithModifiers> state);
void _flush_mouse_motion();
MouseMode mouse_mode = MOUSE_MODE_VISIBLE;
Point2i center;
void _handle_key_event(WindowID p_window, XKeyEvent *p_event, LocalVector<XEvent> &p_events, uint32_t &p_event_index, bool p_echo = false);
Atom _process_selection_request_target(Atom p_target, Window p_requestor, Atom p_property, Atom p_selection) const;
void _handle_selection_request_event(XSelectionRequestEvent *p_event) const;
void _update_window_mouse_passthrough(WindowID p_window);
String _clipboard_get_impl(Atom p_source, Window x11_window, Atom target) const;
String _clipboard_get(Atom p_source, Window x11_window) const;
Atom _clipboard_get_image_target(Atom p_source, Window x11_window) const;
void _clipboard_transfer_ownership(Atom p_source, Window x11_window) const;
bool do_mouse_warp = false;
const char *cursor_theme = nullptr;
int cursor_size = 0;
XcursorImage *cursor_img[CURSOR_MAX];
Cursor cursors[CURSOR_MAX];
Cursor null_cursor;
CursorShape current_cursor = CURSOR_ARROW;
HashMap<CursorShape, Vector<Variant>> cursors_cache;
String rendering_driver;
void set_wm_fullscreen(bool p_enabled);
void set_wm_above(bool p_enabled);
typedef xrr_monitor_info *(*xrr_get_monitors_t)(Display *dpy, Window window, Bool get_active, int *nmonitors);
typedef void (*xrr_free_monitors_t)(xrr_monitor_info *monitors);
xrr_get_monitors_t xrr_get_monitors = nullptr;
xrr_free_monitors_t xrr_free_monitors = nullptr;
void *xrandr_handle = nullptr;
bool xrandr_ext_ok = true;
bool xinerama_ext_ok = true;
bool xshaped_ext_ok = true;
struct Property {
unsigned char *data;
int format, nitems;
Atom type;
};
static Property _read_property(Display *p_display, Window p_window, Atom p_property);
void _update_real_mouse_position(const WindowData &wd);
bool _window_maximize_check(WindowID p_window, const char *p_atom_name) const;
bool _window_fullscreen_check(WindowID p_window) const;
bool _window_minimize_check(WindowID p_window) const;
void _validate_mode_on_map(WindowID p_window);
void _update_size_hints(WindowID p_window);
void _set_wm_fullscreen(WindowID p_window, bool p_enabled, bool p_exclusive);
void _set_wm_maximized(WindowID p_window, bool p_enabled);
void _set_wm_minimized(WindowID p_window, bool p_enabled);
void _update_context(WindowData &wd);
Context context = CONTEXT_ENGINE;
WindowID _get_focused_window_or_popup() const;
void _send_window_event(const WindowData &wd, WindowEvent p_event);
static void _dispatch_input_events(const Ref<InputEvent> &p_event);
void _dispatch_input_event(const Ref<InputEvent> &p_event);
mutable Mutex events_mutex;
Thread events_thread;
SafeFlag events_thread_done;
LocalVector<XEvent> polled_events;
static void _poll_events_thread(void *ud);
bool _wait_for_events() const;
void _poll_events();
void _check_pending_events(LocalVector<XEvent> &r_events);
static Bool _predicate_all_events(Display *display, XEvent *event, XPointer arg);
static Bool _predicate_clipboard_selection(Display *display, XEvent *event, XPointer arg);
static Bool _predicate_clipboard_incr(Display *display, XEvent *event, XPointer arg);
static Bool _predicate_clipboard_save_targets(Display *display, XEvent *event, XPointer arg);
protected:
void _window_changed(XEvent *event);
public:
bool mouse_process_popups();
void popup_open(WindowID p_window);
void popup_close(WindowID p_window);
virtual bool has_feature(Feature p_feature) const override;
virtual String get_name() const override;
#ifdef SPEECHD_ENABLED
virtual bool tts_is_speaking() const override;
virtual bool tts_is_paused() const override;
virtual TypedArray<Dictionary> tts_get_voices() const override;
virtual void tts_speak(const String &p_text, const String &p_voice, int p_volume = 50, float p_pitch = 1.f, float p_rate = 1.f, int p_utterance_id = 0, bool p_interrupt = false) override;
virtual void tts_pause() override;
virtual void tts_resume() override;
virtual void tts_stop() override;
#endif
#if defined(DBUS_ENABLED)
virtual bool is_dark_mode_supported() const override;
virtual bool is_dark_mode() const override;
virtual Error file_dialog_show(const String &p_title, const String &p_current_directory, const String &p_filename, bool p_show_hidden, FileDialogMode p_mode, const Vector<String> &p_filters, const Callable &p_callback) override;
#endif
virtual void mouse_set_mode(MouseMode p_mode) override;
virtual MouseMode mouse_get_mode() const override;
virtual void warp_mouse(const Point2i &p_position) override;
virtual Point2i mouse_get_position() const override;
virtual BitField<MouseButtonMask> mouse_get_button_state() const override;
virtual void clipboard_set(const String &p_text) override;
virtual String clipboard_get() const override;
virtual Ref<Image> clipboard_get_image() const override;
virtual bool clipboard_has_image() const override;
virtual void clipboard_set_primary(const String &p_text) override;
virtual String clipboard_get_primary() const override;
virtual int get_screen_count() const override;
virtual int get_primary_screen() const override;
virtual int get_keyboard_focus_screen() const override;
virtual Point2i screen_get_position(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
virtual Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
virtual Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
virtual int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
virtual float screen_get_refresh_rate(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
virtual Color screen_get_pixel(const Point2i &p_position) const override;
virtual Ref<Image> screen_get_image(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
#if defined(DBUS_ENABLED)
virtual void screen_set_keep_on(bool p_enable) override;
virtual bool screen_is_kept_on() const override;
#endif
virtual Vector<DisplayServer::WindowID> get_window_list() const override;
virtual WindowID create_sub_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect = Rect2i()) override;
virtual void show_window(WindowID p_id) override;
virtual void delete_sub_window(WindowID p_id) override;
virtual WindowID window_get_active_popup() const override;
virtual void window_set_popup_safe_rect(WindowID p_window, const Rect2i &p_rect) override;
virtual Rect2i window_get_popup_safe_rect(WindowID p_window) const override;
virtual WindowID get_window_at_screen_position(const Point2i &p_position) const override;
virtual int64_t window_get_native_handle(HandleType p_handle_type, WindowID p_window = MAIN_WINDOW_ID) const override;
virtual void window_attach_instance_id(ObjectID p_instance, WindowID p_window = MAIN_WINDOW_ID) override;
virtual ObjectID window_get_attached_instance_id(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual void window_set_title(const String &p_title, WindowID p_window = MAIN_WINDOW_ID) override;
virtual void window_set_mouse_passthrough(const Vector<Vector2> &p_region, WindowID p_window = MAIN_WINDOW_ID) override;
virtual void window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
virtual void window_set_window_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
virtual void window_set_input_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
virtual void window_set_input_text_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
virtual void window_set_drop_files_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
virtual int window_get_current_screen(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual void window_set_current_screen(int p_screen, WindowID p_window = MAIN_WINDOW_ID) override;
virtual Point2i window_get_position(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual Point2i window_get_position_with_decorations(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual void window_set_position(const Point2i &p_position, WindowID p_window = MAIN_WINDOW_ID) override;
virtual void window_set_max_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override;
virtual Size2i window_get_max_size(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual void gl_window_make_current(DisplayServer::WindowID p_window_id) override;
virtual void window_set_transient(WindowID p_window, WindowID p_parent) override;
virtual void window_set_min_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override;
virtual Size2i window_get_min_size(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual void window_set_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override;
virtual Size2i window_get_size(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual Size2i window_get_size_with_decorations(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual void window_set_mode(WindowMode p_mode, WindowID p_window = MAIN_WINDOW_ID) override;
virtual WindowMode window_get_mode(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual bool window_is_maximize_allowed(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual void window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window = MAIN_WINDOW_ID) override;
virtual bool window_get_flag(WindowFlags p_flag, WindowID p_window = MAIN_WINDOW_ID) const override;
virtual void window_request_attention(WindowID p_window = MAIN_WINDOW_ID) override;
virtual void window_move_to_foreground(WindowID p_window = MAIN_WINDOW_ID) override;
virtual bool window_is_focused(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual WindowID get_focused_window() const override;
virtual bool window_can_draw(WindowID p_window = MAIN_WINDOW_ID) const override;
virtual bool can_any_window_draw() const override;
virtual void window_set_ime_active(const bool p_active, WindowID p_window = MAIN_WINDOW_ID) override;
virtual void window_set_ime_position(const Point2i &p_pos, WindowID p_window = MAIN_WINDOW_ID) override;
virtual Point2i ime_get_selection() const override;
virtual String ime_get_text() const override;
virtual void window_set_vsync_mode(DisplayServer::VSyncMode p_vsync_mode, WindowID p_window = MAIN_WINDOW_ID) override;
virtual DisplayServer::VSyncMode window_get_vsync_mode(WindowID p_vsync_mode) const override;
virtual void cursor_set_shape(CursorShape p_shape) override;
virtual CursorShape cursor_get_shape() const override;
virtual void cursor_set_custom_image(const Ref<Resource> &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) override;
virtual int keyboard_get_layout_count() const override;
virtual int keyboard_get_current_layout() const override;
virtual void keyboard_set_current_layout(int p_index) override;
virtual String keyboard_get_layout_language(int p_index) const override;
virtual String keyboard_get_layout_name(int p_index) const override;
virtual Key keyboard_get_keycode_from_physical(Key p_keycode) const override;
virtual Key keyboard_get_label_from_physical(Key p_keycode) const override;
virtual void process_events() override;
virtual void release_rendering_thread() override;
virtual void make_rendering_thread() override;
virtual void swap_buffers() override;
virtual void set_context(Context p_context) override;
virtual void set_native_icon(const String &p_filename) override;
virtual void set_icon(const Ref<Image> &p_icon) override;
static DisplayServer *create_func(const String &p_rendering_driver, WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i *p_position, const Vector2i &p_resolution, int p_screen, Error &r_error);
static Vector<String> get_rendering_drivers_func();
static void register_x11_driver();
DisplayServerX11(const String &p_rendering_driver, WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i *p_position, const Vector2i &p_resolution, int p_screen, Error &r_error);
~DisplayServerX11();
};
#endif // X11_ENABLED
#endif // DISPLAY_SERVER_X11_H
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