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virtualx-engine/platform/x11/os_x11.h
Pedro J. Estébanez 6d89f675b1 Modernize Thread 
- Based on C++11's `thread` and `thread_local`
- No more need to allocate-deallocate or check for null
- No pointer anymore, just a member variable
- Platform-specific implementations no longer needed (except for the few cases of non-portable functions)
- Simpler for `NO_THREADS`
- Thread ids are now the same across platforms (main is 1; others follow)
2021-02-18 11:58:08 +01:00

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/*************************************************************************/
/* os_x11.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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. */
/*************************************************************************/
#ifndef OS_X11_H
#define OS_X11_H
#include "context_gl_x11.h"
#include "core/local_vector.h"
#include "core/os/input.h"
#include "crash_handler_x11.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 "joypad_linux.h"
#include "main/input_default.h"
#include "power_x11.h"
#include "servers/audio_server.h"
#include "servers/visual/rasterizer.h"
#include "servers/visual_server.h"
#include <X11/Xcursor/Xcursor.h>
#include <X11/Xlib.h>
#include <X11/extensions/XInput2.h>
#include <X11/extensions/Xrandr.h>
#include <X11/keysym.h>
// Hints for X11 fullscreen
typedef struct {
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long inputMode;
unsigned long status;
} Hints;
typedef struct _xrr_monitor_info {
Atom name;
Bool primary;
Bool automatic;
int noutput;
int x;
int y;
int width;
int height;
int mwidth;
int mheight;
RROutput *outputs;
} xrr_monitor_info;
#undef CursorShape
class OS_X11 : public OS_Unix {
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 requested;
int xdnd_version;
#if defined(OPENGL_ENABLED)
ContextGL_X11 *context_gl;
#endif
//Rasterizer *rasterizer;
VisualServer *visual_server;
VideoMode current_videomode;
List<String> args;
Window x11_window;
Window xdnd_source_window;
MainLoop *main_loop;
::Display *x11_display;
char *xmbstring;
int xmblen;
unsigned long last_timestamp;
::Time last_keyrelease_time;
::XIC xic;
::XIM xim;
::XIMStyle xim_style;
static void xim_destroy_callback(::XIM im, ::XPointer client_data,
::XPointer call_data);
// IME
bool im_active;
Vector2 im_position;
Vector2 last_position_before_fs;
Size2 min_size;
Size2 max_size;
Point2 last_mouse_pos;
bool last_mouse_pos_valid;
Point2i last_click_pos;
uint64_t last_click_ms;
int last_click_button_index;
uint32_t last_button_state;
struct {
int opcode;
Vector<int> touch_devices;
Map<int, Vector2> absolute_devices;
Map<int, Vector2> pen_pressure_range;
Map<int, Vector2> pen_tilt_x_range;
Map<int, Vector2> pen_tilt_y_range;
XIEventMask all_event_mask;
XIEventMask all_master_event_mask;
Map<int, Vector2> state;
double pressure;
bool pressure_supported;
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();
unsigned int get_mouse_button_state(unsigned int 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;
Point2i center;
void _handle_key_event(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) const;
void _handle_selection_request_event(XSelectionRequestEvent *p_event) const;
String _get_clipboard_impl(Atom p_source, Window x11_window, Atom target) const;
String _get_clipboard(Atom p_source, Window x11_window) const;
void _clipboard_transfer_ownership(Atom p_source, Window x11_window) const;
mutable Mutex events_mutex;
Thread events_thread;
bool events_thread_done = false;
LocalVector<XEvent> polled_events;
static void _poll_events_thread(void *ud);
bool _wait_for_events() const;
void _poll_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);
void process_xevents();
virtual void delete_main_loop();
bool force_quit;
bool minimized;
bool window_has_focus;
bool do_mouse_warp;
const char *cursor_theme;
int cursor_size;
XcursorImage *img[CURSOR_MAX];
Cursor cursors[CURSOR_MAX];
Cursor null_cursor;
CursorShape current_cursor;
Map<CursorShape, Vector<Variant> > cursors_cache;
InputDefault *input;
#ifdef JOYDEV_ENABLED
JoypadLinux *joypad;
#endif
#ifdef ALSA_ENABLED
AudioDriverALSA driver_alsa;
#endif
#ifdef ALSAMIDI_ENABLED
MIDIDriverALSAMidi driver_alsamidi;
#endif
#ifdef PULSEAUDIO_ENABLED
AudioDriverPulseAudio driver_pulseaudio;
#endif
PowerX11 *power_manager;
bool layered_window;
CrashHandler crash_handler;
int video_driver_index;
bool maximized;
bool window_focused;
//void set_wm_border(bool p_enabled);
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;
xrr_free_monitors_t xrr_free_monitors;
void *xrandr_handle;
Bool xrandr_ext_ok;
protected:
virtual int get_current_video_driver() const;
virtual void initialize_core();
virtual Error initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver);
virtual void finalize();
virtual void set_main_loop(MainLoop *p_main_loop);
void _window_changed(XEvent *event);
bool window_maximize_check(const char *p_atom_name) const;
bool is_window_maximize_allowed() const;
public:
virtual String get_name() const;
virtual void set_cursor_shape(CursorShape p_shape);
virtual CursorShape get_cursor_shape() const;
virtual void set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot);
void set_mouse_mode(MouseMode p_mode);
MouseMode get_mouse_mode() const;
virtual void warp_mouse_position(const Point2 &p_to);
virtual Point2 get_mouse_position() const;
virtual int get_mouse_button_state() const;
virtual void set_window_title(const String &p_title);
virtual void set_window_mouse_passthrough(const PoolVector2Array &p_region);
virtual void set_icon(const Ref<Image> &p_icon);
virtual MainLoop *get_main_loop() const;
virtual bool can_draw() const;
virtual void set_clipboard(const String &p_text);
virtual String get_clipboard() const;
virtual void release_rendering_thread();
virtual void make_rendering_thread();
virtual void swap_buffers();
virtual String get_config_path() const;
virtual String get_data_path() const;
virtual String get_cache_path() const;
virtual String get_system_dir(SystemDir p_dir) const;
virtual Error shell_open(String p_uri);
virtual void set_video_mode(const VideoMode &p_video_mode, int p_screen = 0);
virtual VideoMode get_video_mode(int p_screen = 0) const;
virtual void get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen = 0) const;
virtual int get_screen_count() const;
virtual int get_current_screen() const;
virtual void set_current_screen(int p_screen);
virtual Point2 get_screen_position(int p_screen = -1) const;
virtual Size2 get_screen_size(int p_screen = -1) const;
virtual int get_screen_dpi(int p_screen = -1) const;
virtual Point2 get_window_position() const;
virtual void set_window_position(const Point2 &p_position);
virtual Size2 get_window_size() const;
virtual Size2 get_real_window_size() const;
virtual Size2 get_max_window_size() const;
virtual Size2 get_min_window_size() const;
virtual void set_min_window_size(const Size2 p_size);
virtual void set_max_window_size(const Size2 p_size);
virtual void set_window_size(const Size2 p_size);
virtual void set_window_fullscreen(bool p_enabled);
virtual bool is_window_fullscreen() const;
virtual void set_window_resizable(bool p_enabled);
virtual bool is_window_resizable() const;
virtual void set_window_minimized(bool p_enabled);
virtual bool is_window_minimized() const;
virtual void set_window_maximized(bool p_enabled);
virtual bool is_window_maximized() const;
virtual void set_window_always_on_top(bool p_enabled);
virtual bool is_window_always_on_top() const;
virtual bool is_window_focused() const;
virtual void request_attention();
virtual void *get_native_handle(int p_handle_type);
virtual void set_borderless_window(bool p_borderless);
virtual bool get_borderless_window();
virtual bool get_window_per_pixel_transparency_enabled() const;
virtual void set_window_per_pixel_transparency_enabled(bool p_enabled);
virtual void set_ime_active(const bool p_active);
virtual void set_ime_position(const Point2 &p_pos);
virtual String get_unique_id() const;
virtual void move_window_to_foreground();
virtual void alert(const String &p_alert, const String &p_title = "ALERT!");
virtual bool is_joy_known(int p_device);
virtual String get_joy_guid(int p_device) const;
virtual void set_context(int p_context);
virtual void _set_use_vsync(bool p_enable);
//virtual bool is_vsync_enabled() const;
virtual OS::PowerState get_power_state();
virtual int get_power_seconds_left();
virtual int get_power_percent_left();
virtual bool _check_internal_feature_support(const String &p_feature);
virtual void force_process_input();
void run();
void disable_crash_handler();
bool is_disable_crash_handler() const;
virtual Error move_to_trash(const String &p_path);
virtual LatinKeyboardVariant get_latin_keyboard_variant() const;
virtual int keyboard_get_layout_count() const;
virtual int keyboard_get_current_layout() const;
virtual void keyboard_set_current_layout(int p_index);
virtual String keyboard_get_layout_language(int p_index) const;
virtual String keyboard_get_layout_name(int p_index) const;
void update_real_mouse_position();
OS_X11();
};
#endif
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