198 lines
6.9 KiB
C++
198 lines
6.9 KiB
C++
//
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// Definition of the Wayland Screen interface
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// for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2010-2024 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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/**
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\file Fl_Wayland_Screen_Driver.H
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\brief Definition of Wayland Screen interface
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*/
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#ifndef FL_WAYLAND_SCREEN_DRIVER_H
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#define FL_WAYLAND_SCREEN_DRIVER_H
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#include "../Unix/Fl_Unix_Screen_Driver.H"
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#include <wayland-client.h>
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class Fl_Window;
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class Fl_Wayland_Screen_Driver : public Fl_Unix_Screen_Driver
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{
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friend class Fl_Screen_Driver;
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private:
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static int insertion_point_x;
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static int insertion_point_y;
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static int insertion_point_width;
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static int insertion_point_height;
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static bool insertion_point_location_is_valid;
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public:
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// type definitions
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typedef enum {unspecified, MUTTER, WESTON, KWIN, OWL} compositor_name;
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struct seat {
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struct wl_seat *wl_seat;
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struct wl_pointer *wl_pointer;
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struct wl_keyboard *wl_keyboard;
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uint32_t keyboard_enter_serial;
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struct wl_surface *keyboard_surface;
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struct wl_list pointer_outputs;
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struct wl_cursor_theme *cursor_theme;
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struct wl_cursor *default_cursor;
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struct wl_surface *cursor_surface;
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struct wl_surface *pointer_focus;
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int pointer_scale;
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uint32_t serial;
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uint32_t pointer_enter_serial;
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struct wl_data_device_manager *data_device_manager;
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struct wl_data_device *data_device;
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struct wl_data_source *data_source;
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struct xkb_state *xkb_state;
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struct xkb_context *xkb_context;
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struct xkb_keymap *xkb_keymap;
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struct xkb_compose_state *xkb_compose_state;
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char *name;
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struct zwp_text_input_v3 *text_input;
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};
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struct output { // one record for each screen
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uint32_t id;
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int x, y; // logical position of screen
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int width; // in pixels
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int height; // in pixels
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float dpi;
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struct wl_output *wl_output;
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int wld_scale; // Wayland scale factor
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float gui_scale; // FLTK scale factor
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bool done;
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struct wl_list link;
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};
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// static member variables
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static FL_EXPORT struct wl_display *wl_display;
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static const struct wl_data_device_listener *p_data_device_listener;
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// next length of marked text after current marked text will have been replaced
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static int next_marked_length;
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static compositor_name compositor; // identifies the used Wayland compositor
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// static member functions
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static void insertion_point_location(int x, int y, int height);
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static bool insertion_point_location(int *px, int *py, int *pwidth, int *pheight);
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static bool own_output(struct wl_output *output);
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static void do_set_cursor(struct Fl_Wayland_Screen_Driver::seat *,
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struct wl_cursor *wl_cursor = NULL);
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// member variables
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struct wl_cursor *xc_arrow;
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struct wl_cursor *xc_ns;
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struct wl_cursor *xc_wait;
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struct wl_cursor *xc_insert;
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struct wl_cursor *xc_hand;
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struct wl_cursor *xc_help;
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struct wl_cursor *xc_cross;
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struct wl_cursor *xc_move;
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struct wl_cursor *xc_north;
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struct wl_cursor *xc_south;
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struct wl_cursor *xc_west;
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struct wl_cursor *xc_east;
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struct wl_cursor *xc_we;
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struct wl_cursor *xc_nesw;
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struct wl_cursor *xc_nwse;
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struct wl_cursor *xc_sw;
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struct wl_cursor *xc_se;
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struct wl_cursor *xc_ne;
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struct wl_cursor *xc_nw;
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struct wl_registry *wl_registry;
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struct wl_compositor *wl_compositor;
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struct wl_subcompositor *wl_subcompositor;
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struct wl_shm *wl_shm;
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struct seat *seat;
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struct wl_list outputs; // linked list of struct output records for all screens in system
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struct libdecor *libdecor_context;
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struct xdg_wm_base *xdg_wm_base;
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struct zwp_text_input_manager_v3 *text_input_base;
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// constructor
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Fl_Wayland_Screen_Driver();
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// overridden functions from parent class Fl_Screen_Driver
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APP_SCALING_CAPABILITY rescalable() FL_OVERRIDE { return PER_SCREEN_APP_SCALING; }
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float scale(int n) FL_OVERRIDE;
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void scale(int n, float f) FL_OVERRIDE;
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// --- screen configuration
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void init() FL_OVERRIDE;
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int x() FL_OVERRIDE;
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int y() FL_OVERRIDE;
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int w() FL_OVERRIDE;
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int h() FL_OVERRIDE;
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void screen_xywh(int &X, int &Y, int &W, int &H, int n) FL_OVERRIDE;
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void screen_dpi(float &h, float &v, int n=0) FL_OVERRIDE;
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void screen_work_area(int &X, int &Y, int &W, int &H, int n) FL_OVERRIDE;
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// --- audible output
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void beep(int type) FL_OVERRIDE;
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// --- global events
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void flush() FL_OVERRIDE;
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void grab(Fl_Window* win) FL_OVERRIDE;
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// --- global colors
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void get_system_colors() FL_OVERRIDE;
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// this one is in fl_wayland_clipboard_dnd.cxx
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int dnd(int unused) FL_OVERRIDE;
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int compose(int &del) FL_OVERRIDE;
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void compose_reset() FL_OVERRIDE;
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Fl_RGB_Image *read_win_rectangle(int X, int Y, int w, int h, Fl_Window *win,
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bool may_capture_subwins, bool *did_capture_subwins) FL_OVERRIDE;
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int get_mouse(int &x, int &y) FL_OVERRIDE;
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void open_display_platform() FL_OVERRIDE;
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void close_display() FL_OVERRIDE;
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void display(const char *d) FL_OVERRIDE;
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// --- compute dimensions of an Fl_Offscreen
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void offscreen_size(Fl_Offscreen o, int &width, int &height) FL_OVERRIDE;
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int has_marked_text() const FL_OVERRIDE;
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// --- clipboard operations
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// this one is in fl_wayland_clipboard_dnd.cxx
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void copy(const char *stuff, int len, int clipboard, const char *type) FL_OVERRIDE;
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// this one is in fl_wayland_clipboard_dnd.cxx
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void paste(Fl_Widget &receiver, int clipboard, const char *type) FL_OVERRIDE;
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// this one is in fl_wayland_clipboard_dnd.cxx
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int clipboard_contains(const char *type) FL_OVERRIDE;
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void set_spot(int font, int height, int x, int y, int w, int h, Fl_Window *win) FL_OVERRIDE;
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void reset_spot() FL_OVERRIDE;
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void *control_maximize_button(void *data) FL_OVERRIDE;
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int event_key(int k) FL_OVERRIDE;
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int get_key(int k) FL_OVERRIDE;
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void enable_im() FL_OVERRIDE;
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void disable_im() FL_OVERRIDE;
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bool screen_boundaries_known() FL_OVERRIDE { return false; }
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float base_scale(int numscreen) FL_OVERRIDE;
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// overridden functions from parent class Fl_Unix_Screen_Driver
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int poll_or_select_with_delay(double time_to_wait) FL_OVERRIDE;
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int poll_or_select() FL_OVERRIDE;
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// Wayland-specific member functions
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void screen_count_set(int count) {num_screens = count;}
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void reset_cursor();
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// this one is in fl_wayland_clipboard_dnd.cxx
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void copy_image(const unsigned char* data, int W, int H);
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void init_workarea();
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void set_cursor();
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struct wl_cursor *default_cursor();
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void default_cursor(struct wl_cursor *cursor);
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struct wl_cursor *cache_cursor(const char *cursor_name);
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uint32_t get_serial();
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struct wl_seat *get_wl_seat();
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char *get_seat_name();
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struct xkb_keymap *get_xkb_keymap();
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};
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#endif // FL_WAYLAND_SCREEN_DRIVER_H
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