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Diffstat (limited to 'platform/linuxbsd/display_server_x11.h')
| -rw-r--r-- | platform/linuxbsd/display_server_x11.h | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/platform/linuxbsd/display_server_x11.h b/platform/linuxbsd/display_server_x11.h new file mode 100644 index 0000000000..113e504e9b --- /dev/null +++ b/platform/linuxbsd/display_server_x11.h @@ -0,0 +1,351 @@ +/*************************************************************************/ +/* display_server_x11.h */ +/*************************************************************************/ +/* 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. */ +/*************************************************************************/ + +#ifndef DISPLAY_SERVER_X11_H +#define DISPLAY_SERVER_X11_H + +#ifdef X11_ENABLED + +#include "servers/display_server.h" + +#include "core/input/input_filter.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 "servers/audio_server.h" +#include "servers/rendering/rasterizer.h" +#include "servers/rendering_server.h" + +#if defined(OPENGL_ENABLED) +#include "context_gl_x11.h" +#endif + +#if defined(VULKAN_ENABLED) +#include "drivers/vulkan/rendering_device_vulkan.h" +#include "platform/linuxbsd/vulkan_context_x11.h" +#endif + +#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 DisplayServerX11 : public DisplayServer { + //No need to register, it's platform-specific and nothing is added + //GDCLASS(DisplayServerX11, DisplayServer) + + _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; + int xdnd_version; + +#if defined(OPENGL_ENABLED) + ContextGL_X11 *context_gles2; +#endif +#if defined(VULKAN_ENABLED) + VulkanContextX11 *context_vulkan; + RenderingDeviceVulkan *rendering_device_vulkan; +#endif + + struct WindowData { + Window x11_window; + ::XIC xic; + + Size2i min_size; + Size2i max_size; + Point2i position; + Size2i size; + Point2i im_position; + bool im_active = false; + Callable rect_changed_callback; + Callable event_callback; + Callable input_event_callback; + Callable input_text_callback; + Callable drop_files_callback; + + WindowID transient_parent = INVALID_WINDOW_ID; + Set<WindowID> transient_children; + + ObjectID instance_id; + + //better to guess on the fly, given WM can change it + //WindowMode mode; + bool fullscreen = false; //OS can't exit from this mode + bool on_top = false; + bool borderless = false; + bool resize_disabled = false; + Vector2i last_position_before_fs; + }; + + Map<WindowID, WindowData> windows; + + WindowID window_id_counter = MAIN_WINDOW_ID; + WindowID _create_window(WindowMode p_mode, uint32_t p_flags, const Rect2i &p_rect); + + String internal_clipboard; + Window xdnd_source_window; + ::Display *x11_display; + char *xmbstring; + int xmblen; + unsigned long last_timestamp; + ::Time last_keyrelease_time; + ::XIM xim; + ::XIMStyle xim_style; + static void _xim_destroy_callback(::XIM im, ::XPointer client_data, + ::XPointer call_data); + + Point2i 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, Vector3> pen_devices; + XIEventMask all_event_mask; + Map<int, Vector2> state; + double pressure; + 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(WindowID p_window, XKeyEvent *p_event, bool p_echo = false); + + 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; + + bool layered_window; + + String rendering_driver; + 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; + + 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); + void _set_wm_fullscreen(WindowID p_window, bool p_enabled); + void _set_wm_maximized(WindowID p_window, bool p_enabled); + + void _update_context(WindowData &wd); + + Context context = CONTEXT_ENGINE; + + 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); + +protected: + void _window_changed(XEvent *event); + +public: + virtual bool has_feature(Feature p_feature) const; + virtual String get_name() const; + + virtual void alert(const String &p_alert, const String &p_title = "ALERT!"); + + virtual void mouse_set_mode(MouseMode p_mode); + virtual MouseMode mouse_get_mode() const; + + virtual void mouse_warp_to_position(const Point2i &p_to); + virtual Point2i mouse_get_position() const; + virtual Point2i mouse_get_absolute_position() const; + virtual int mouse_get_button_state() const; + + virtual void clipboard_set(const String &p_text); + virtual String clipboard_get() const; + + virtual int get_screen_count() const; + virtual Point2i screen_get_position(int p_screen = SCREEN_OF_MAIN_WINDOW) const; + virtual Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const; + virtual Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const; + virtual int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const; + virtual bool screen_is_touchscreen(int p_screen = SCREEN_OF_MAIN_WINDOW) const; + + virtual Vector<DisplayServer::WindowID> get_window_list() const; + + virtual WindowID create_sub_window(WindowMode p_mode, uint32_t p_flags, const Rect2i &p_rect = Rect2i()); + virtual void delete_sub_window(WindowID p_id); + + virtual WindowID get_window_at_screen_position(const Point2i &p_position) const; + + virtual void window_attach_instance_id(ObjectID p_instance, WindowID p_window = MAIN_WINDOW_ID); + virtual ObjectID window_get_attached_instance_id(WindowID p_window = MAIN_WINDOW_ID) const; + + virtual void window_set_title(const String &p_title, WindowID p_window = MAIN_WINDOW_ID); + virtual void window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID); + virtual void window_set_window_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID); + virtual void window_set_input_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID); + virtual void window_set_input_text_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID); + virtual void window_set_drop_files_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID); + + virtual int window_get_current_screen(WindowID p_window = MAIN_WINDOW_ID) const; + virtual void window_set_current_screen(int p_screen, WindowID p_window = MAIN_WINDOW_ID); + + virtual Point2i window_get_position(WindowID p_window = MAIN_WINDOW_ID) const; + virtual void window_set_position(const Point2i &p_position, WindowID p_window = MAIN_WINDOW_ID); + + virtual void window_set_max_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID); + virtual Size2i window_get_max_size(WindowID p_window = MAIN_WINDOW_ID) const; + + virtual void window_set_transient(WindowID p_window, WindowID p_parent); + + virtual void window_set_min_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID); + virtual Size2i window_get_min_size(WindowID p_window = MAIN_WINDOW_ID) const; + + virtual void window_set_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID); + virtual Size2i window_get_size(WindowID p_window = MAIN_WINDOW_ID) const; + virtual Size2i window_get_real_size(WindowID p_window = MAIN_WINDOW_ID) const; + + virtual void window_set_mode(WindowMode p_mode, WindowID p_window = MAIN_WINDOW_ID); + virtual WindowMode window_get_mode(WindowID p_window = MAIN_WINDOW_ID) const; + + virtual bool window_is_maximize_allowed(WindowID p_window = MAIN_WINDOW_ID) const; + + virtual void window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window = MAIN_WINDOW_ID); + virtual bool window_get_flag(WindowFlags p_flag, WindowID p_window = MAIN_WINDOW_ID) const; + + virtual void window_request_attention(WindowID p_window = MAIN_WINDOW_ID); + + virtual void window_move_to_foreground(WindowID p_window = MAIN_WINDOW_ID); + + virtual bool window_can_draw(WindowID p_window = MAIN_WINDOW_ID) const; + + virtual bool can_any_window_draw() const; + + virtual void window_set_ime_active(const bool p_active, WindowID p_window = MAIN_WINDOW_ID); + virtual void window_set_ime_position(const Point2i &p_pos, WindowID p_window = MAIN_WINDOW_ID); + + virtual void cursor_set_shape(CursorShape p_shape); + virtual CursorShape cursor_get_shape() const; + virtual void cursor_set_custom_image(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot); + + virtual LatinKeyboardVariant get_latin_keyboard_variant() const; + + virtual void process_events(); + + virtual void release_rendering_thread(); + virtual void make_rendering_thread(); + virtual void swap_buffers(); + + virtual void set_context(Context p_context); + + virtual void set_native_icon(const String &p_filename); + virtual void set_icon(const Ref<Image> &p_icon); + + static DisplayServer *create_func(const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error); + static Vector<String> get_rendering_drivers_func(); + + static void register_x11_driver(); + + DisplayServerX11(const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error); + ~DisplayServerX11(); +}; + +#endif // X11 enabled + +#endif // DISPLAY_SERVER_X11_H |