235 lines
6.3 KiB
C
235 lines
6.3 KiB
C
#ifndef WAYLAND_GTK_EGL_EXAMPLE_H
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#define WAYLAND_GTK_EGL_EXAMPLE_H
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/* csd */
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typedef uint8_t CSD_U8;
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typedef uint32_t CSD_U32;
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typedef uint64_t CSD_U64;
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typedef int8_t CSD_S8;
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typedef int32_t CSD_S32;
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typedef int8_t CSD_B8;
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typedef int32_t CSD_B32;
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typedef double CSD_F64;
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#define CSD_Min(a, b) ((a)>(b)?(b):(a))
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#define CSD_Max(a, b) ((a)<(b)?(b):(a))
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#define CSD_ClampTop(x, a) CSD_Min(x, a)
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#define CSD_ClampBot(x, a) CSD_Max(x, a)
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typedef enum CSD_ColorScheme{
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CSD_ColorScheme_Default,
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CSD_ColorScheme_Dark,
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CSD_ColorScheme_Light
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} CSD_ColorScheme;
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typedef struct CSD_CursorTheme{
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char *name;
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int size;
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} CSD_CursorTheme;
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typedef uint32_t CSD_CursorShape;
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enum{
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CSD_CursorShape_Hidden,
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CSD_CursorShape_Pointer,
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CSD_CursorShape_Resize_Top,
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CSD_CursorShape_Resize_Bottom,
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CSD_CursorShape_Resize_Left,
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CSD_CursorShape_Resize_Right,
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CSD_CursorShape_Resize_TopLeft,
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CSD_CursorShape_Resize_TopRight,
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CSD_CursorShape_Resize_BottomLeft,
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CSD_CursorShape_Resize_BottomRight,
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CSD_CursorShape_COUNT
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};
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typedef uint32_t CSD_WindowFlags;
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enum{
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CSD_WindowFlag_IsFullscreen = (1 << 0),
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CSD_WindowFlag_IsMax = (1 << 1),
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CSD_WindowFlag_IsActivated = (1 << 2),
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CSD_WindowFlag_IsTiledLeft = (1 << 3),
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CSD_WindowFlag_IsTiledRight = (1 << 4),
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CSD_WindowFlag_IsTiledTop = (1 << 5),
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CSD_WindowFlag_IsTiledBottom = (1 << 6),
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CSD_WindowFlag_IsResizing = (1 << 7),
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CSD_WindowFlag_IsSuspended = (1 << 8),
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CSD_WindowFlag_IsConstrainedLeft = (1 << 9),
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CSD_WindowFlag_IsConstrainedRight = (1 << 10),
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CSD_WindowFlag_IsConstrainedTop = (1 << 11),
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CSD_WindowFlag_IsConstrainedBottom = (1 << 12),
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};
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#define CSD_WindowMask_IsAnchored \
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(CSD_WindowFlag_IsFullscreen|CSD_WindowFlag_IsMax| \
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CSD_WindowFlag_IsTiledLeft |CSD_WindowFlag_IsTiledRight| \
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CSD_WindowFlag_IsTiledTop |CSD_WindowFlag_IsTiledBottom)
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typedef uint32_t CSD_WindowControlFlags;
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enum{
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CSD_WindowControlFlag_Move = (1 << 0),
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CSD_WindowControlFlag_Resize = (1 << 1),
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CSD_WindowControlFlag_Min = (1 << 2),
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CSD_WindowControlFlag_Max = (1 << 3),
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CSD_WindowControlFlag_Close = (1 << 4),
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};
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typedef struct CSD_Config{
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CSD_U32 serial;
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CSD_S32 dim[2];
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CSD_WindowFlags flags;
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CSD_U32 decoration_mode;
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} CSD_Config;
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typedef struct CSD_Frame{
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CSD_S32 border[2][2]; // [0][]:x [1][]:y [][0]:min [][1]:max
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CSD_S32 minbox[2];
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} CSD_Frame;
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typedef struct CSD_SubSurface{
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struct wl_surface *wl_surface;
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struct wl_subsurface *wl_subsurface;
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struct wl_buffer *wl_buffer;
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void *data;
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CSD_U64 size;
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CSD_S32 dim[2];
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CSD_S32 p[2];
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} CSD_SubSurface;
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/* csd helpers */
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static CSD_SubSurface csd_subsurface_new(void);
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static void csd_subsurface_buffer_clear(CSD_SubSurface *subsurface);
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static void csd_subsurface_buffer_alloc(CSD_SubSurface *subsurface, CSD_S32 dim[2]);
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static void csd_subsurface_set_position(CSD_SubSurface *subsurface, CSD_S32 x, CSD_S32 y);
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static void csd_subsurface_commit(CSD_SubSurface *subsurface);
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static CSD_WindowFlags csd_window_flags_from_states_array(struct wl_array *states);
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/* os */
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static int csd_os_resize_anonymous_file(int fd, off_t size);
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static int csd_os_create_anonymous_file(off_t size);
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/* desktop settings */
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static CSD_CursorTheme csd_desktop_get_cursor_theme(void);
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static CSD_ColorScheme csd_desktop_get_color_scheme(void);
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static CSD_CursorTheme csd_desktop_get_cursor_theme_from_env(void);
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#if defined(HAS_DBUS)
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#include <dbus/dbus.h>
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static DBusMessage* csd_desktop__get_setting_sync(DBusConnection *const connection, const char *k, const char *v);
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static int csd_desktop__parse_type(DBusMessage *const reply, const int type, void *value);
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#endif /* defined(HAS_DBUS) */
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/* csd gtk */
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typedef struct CSD_GTK_Ctx{
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cairo_surface_t *shadow_blur;
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} CSD_GTK_Ctx;
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typedef struct CSD_GTK_Window{
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CSD_S32 p[2];
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CSD_U32 button;
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CSD_S32 double_click_time_ms;
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CSD_SubSurface titlebar;
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CSD_SubSurface shadow;
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GtkWidget *window;
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GtkWidget *header;
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CSD_U32 hover_button_code;
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CSD_U32 active_button_code;
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} GTK_Window;
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/* csd gtk implementation */
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static void csd_gtk_init(void);
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static void csd_gtk_window_init(void);
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static CSD_Frame csd_gtk_calculate_frame(void);
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static void csd_gtk_update_and_render(void);
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static void csd_gtk_render(void);
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/* csd gtk cairo shadow rendering */
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static int csd_gtk_blur_surface(cairo_surface_t *surface, int margin);
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static void csd_gtk_render_shadow(cairo_t *cr, cairo_surface_t *surface,
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int x, int y, int width, int height,
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int margin, int top_margin);
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/* example */
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typedef struct Ctx{
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/* "application variables" */
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CSD_B32 close_signal;
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/* globals: desktop settings */
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CSD_ColorScheme color_scheme;
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CSD_CursorTheme cursor_theme;
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/* globals: wayland */
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struct wl_display *wl_display;
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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 xdg_wm_base *xdg_wm_base;
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struct zxdg_decoration_manager_v1 *zxdg_decoration_manager;
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struct wl_cursor_theme *wl_cursor_theme;
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struct wl_cursor *wl_cursors[CSD_CursorShape_COUNT];
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/* globals: egl */
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EGLDisplay egl_display;
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EGLContext egl_context;
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/* globals: gtk */
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CSD_GTK_Ctx gtk_ctx;
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/* per-seat: wayland */
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struct wl_seat *wl_seat;
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struct wl_pointer *wl_pointer;
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struct wl_surface *cursor_surface;
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struct wl_surface *hover_surface;
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CSD_CursorShape cursor_shape;
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/* per-window: wayland */
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struct wl_surface *main_wl_surface;
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struct xdg_surface *main_xdg_surface;
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struct xdg_toplevel *main_xdg_toplevel;
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struct zxdg_toplevel_decoration_v1 *main_zxdg_toplevel_decoration;
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/* per-window: egl */
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struct wl_egl_window *main_wl_egl_window;
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EGLSurface main_egl_surface;
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/* per-window */
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CSD_WindowControlFlags control_flags;
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int32_t dim[2];
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int32_t mmbox[2][2]; // [0][]:x [1][]:y [][0]:min [][1]:max
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CSD_Config config;
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CSD_Config config_staged;
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CSD_U32 serial;
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CSD_B32 handled_first_size;
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CSD_Frame csd_frame;
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CSD_S32 csd_dim[2];
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GTK_Window gtk_window;
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} Ctx;
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#endif /* WAYLAND_GTK_EGL_EXAMPLE_H */
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