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387 lines
16 KiB
C
387 lines
16 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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/* Uninstalled header defining types and functions internal to GDK */
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#ifndef __GDK_INTERNALS_H__
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#define __GDK_INTERNALS_H__
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "gdkdisplay.h"
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#include "gdkeventsprivate.h"
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#include "gdksurfaceprivate.h"
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#include "gdkenumtypes.h"
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#include "gdkdragprivate.h"
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#include "gdkkeysprivate.h"
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G_BEGIN_DECLS
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/**********************
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* General Facilities *
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**********************/
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/* Debugging support */
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typedef enum {
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GDK_DEBUG_MISC = 1 << 0,
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GDK_DEBUG_EVENTS = 1 << 1,
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GDK_DEBUG_DND = 1 << 2,
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GDK_DEBUG_INPUT = 1 << 3,
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GDK_DEBUG_EVENTLOOP = 1 << 4,
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GDK_DEBUG_FRAMES = 1 << 5,
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GDK_DEBUG_SETTINGS = 1 << 6,
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GDK_DEBUG_OPENGL = 1 << 7,
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GDK_DEBUG_VULKAN = 1 << 8,
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GDK_DEBUG_SELECTION = 1 << 9,
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GDK_DEBUG_CLIPBOARD = 1 << 10,
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/* flags below are influencing behavior */
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GDK_DEBUG_NOGRABS = 1 << 11,
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GDK_DEBUG_GL_DISABLE = 1 << 12,
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GDK_DEBUG_GL_SOFTWARE = 1 << 13,
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GDK_DEBUG_GL_TEXTURE_RECT = 1 << 14,
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GDK_DEBUG_GL_LEGACY = 1 << 15,
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GDK_DEBUG_GL_GLES = 1 << 16,
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GDK_DEBUG_GL_DEBUG = 1 << 17,
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GDK_DEBUG_VULKAN_DISABLE = 1 << 18,
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GDK_DEBUG_VULKAN_VALIDATE = 1 << 19,
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GDK_DEBUG_DEFAULT_SETTINGS= 1 << 20
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} GdkDebugFlags;
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extern guint _gdk_debug_flags;
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GdkDebugFlags gdk_display_get_debug_flags (GdkDisplay *display);
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void gdk_display_set_debug_flags (GdkDisplay *display,
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GdkDebugFlags flags);
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#ifdef G_ENABLE_DEBUG
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#define GDK_DISPLAY_DEBUG_CHECK(display,type) \
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G_UNLIKELY (gdk_display_get_debug_flags (display) & GDK_DEBUG_##type)
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#define GDK_DISPLAY_NOTE(display,type,action) G_STMT_START { \
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if (GDK_DISPLAY_DEBUG_CHECK (display,type)) \
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{ action; }; } G_STMT_END
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#else /* !G_ENABLE_DEBUG */
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#define GDK_DISPLAY_DEBUG_CHECK(display,type) 0
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#define GDK_DISPLAY_NOTE(display,type,action)
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#endif /* G_ENABLE_DEBUG */
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#define GDK_DEBUG_CHECK(type) GDK_DISPLAY_DEBUG_CHECK (NULL,type)
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#define GDK_NOTE(type,action) GDK_DISPLAY_NOTE (NULL,type,action)
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/* Event handling */
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typedef struct _GdkEventPrivate GdkEventPrivate;
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typedef enum
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{
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/* Following flag is set for events on the event queue during
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* translation and cleared afterwards.
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*/
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GDK_EVENT_PENDING = 1 << 0,
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/* When we are ready to draw a frame, we pause event delivery,
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* mark all events in the queue with this flag, and deliver
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* only those events until we finish the frame.
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*/
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GDK_EVENT_FLUSHED = 1 << 2
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} GdkEventFlags;
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typedef struct _GdkSurfacePaint GdkSurfacePaint;
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#define GDK_SURFACE_TYPE(d) ((((GdkSurface *)(d)))->surface_type)
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#define GDK_SURFACE_DESTROYED(d) (((GdkSurface *)(d))->destroyed)
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extern gint _gdk_screen_number;
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GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
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void _gdk_event_emit (GdkEvent *event);
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GList* _gdk_event_queue_find_first (GdkDisplay *display);
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void _gdk_event_queue_remove_link (GdkDisplay *display,
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GList *node);
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GList* _gdk_event_queue_append (GdkDisplay *display,
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GdkEvent *event);
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void _gdk_event_queue_insert_after (GdkDisplay *display,
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GdkEvent *after_event,
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GdkEvent *event);
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void _gdk_event_queue_insert_before(GdkDisplay *display,
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GdkEvent *after_event,
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GdkEvent *event);
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void _gdk_event_queue_handle_motion_compression (GdkDisplay *display);
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void _gdk_event_queue_flush (GdkDisplay *display);
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void _gdk_event_button_generate (GdkDisplay *display,
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GdkEvent *event);
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void _gdk_windowing_event_data_copy (GdkEvent *src,
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GdkEvent *dst);
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void _gdk_windowing_event_data_free (GdkEvent *event);
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gboolean _gdk_cairo_surface_extents (cairo_surface_t *surface,
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GdkRectangle *extents);
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void gdk_gl_texture_from_surface (cairo_surface_t *surface,
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cairo_region_t *region);
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typedef struct {
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float x1, y1, x2, y2;
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float u1, v1, u2, v2;
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} GdkTexturedQuad;
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void gdk_gl_texture_quads (GdkGLContext *paint_context,
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guint texture_target,
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int n_quads,
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GdkTexturedQuad *quads,
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gboolean flip_colors);
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void gdk_cairo_surface_paint_pixbuf (cairo_surface_t *surface,
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const GdkPixbuf *pixbuf);
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cairo_region_t *gdk_cairo_region_from_clip (cairo_t *cr);
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/*************************************
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* Interfaces used by windowing code *
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*************************************/
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void _gdk_surface_destroy (GdkSurface *surface,
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gboolean foreign_destroy);
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void gdk_surface_invalidate_rect (GdkSurface *surface,
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const GdkRectangle *rect);
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void gdk_surface_invalidate_region (GdkSurface *surface,
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const cairo_region_t *region);
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void _gdk_surface_clear_update_area (GdkSurface *surface);
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void _gdk_surface_update_size (GdkSurface *surface);
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gboolean _gdk_surface_update_viewable (GdkSurface *surface);
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GdkGLContext * gdk_surface_get_paint_gl_context (GdkSurface *surface,
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GError **error);
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void gdk_surface_get_unscaled_size (GdkSurface *surface,
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int *unscaled_width,
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int *unscaled_height);
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gboolean gdk_surface_handle_event (GdkEvent *event);
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GdkSeat * gdk_surface_get_seat_from_event (GdkSurface *surface,
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GdkEvent *event);
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void gdk_surface_enter_monitor (GdkSurface *surface,
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GdkMonitor *monitor);
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void gdk_surface_leave_monitor (GdkSurface *surface,
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GdkMonitor *monitor);
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/*****************************************
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* Interfaces provided by windowing code *
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*****************************************/
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/* Font/string functions implemented in module-specific code */
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void _gdk_cursor_destroy (GdkCursor *cursor);
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extern const GOptionEntry _gdk_windowing_args[];
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void _gdk_windowing_got_event (GdkDisplay *display,
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GList *event_link,
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GdkEvent *event,
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gulong serial);
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#define GDK_SURFACE_IS_MAPPED(surface) (((surface)->state & GDK_SURFACE_STATE_WITHDRAWN) == 0)
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void _gdk_synthesize_crossing_events (GdkDisplay *display,
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GdkSurface *src,
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GdkSurface *dest,
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GdkDevice *device,
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GdkDevice *source_device,
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GdkCrossingMode mode,
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gdouble toplevel_x,
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gdouble toplevel_y,
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GdkModifierType mask,
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guint32 time_,
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GdkEvent *event_in_queue,
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gulong serial,
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gboolean non_linear);
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void _gdk_display_set_surface_under_pointer (GdkDisplay *display,
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GdkDevice *device,
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GdkSurface *surface);
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void gdk_surface_destroy_notify (GdkSurface *surface);
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void gdk_synthesize_surface_state (GdkSurface *surface,
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GdkSurfaceState unset_flags,
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GdkSurfaceState set_flags);
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/**
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* GdkGrabStatus:
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* @GDK_GRAB_SUCCESS: the resource was successfully grabbed.
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* @GDK_GRAB_ALREADY_GRABBED: the resource is actively grabbed by another client.
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* @GDK_GRAB_INVALID_TIME: the resource was grabbed more recently than the
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* specified time.
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* @GDK_GRAB_NOT_VIEWABLE: the grab surface or the @confine_to surface are not
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* viewable.
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* @GDK_GRAB_FROZEN: the resource is frozen by an active grab of another client.
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* @GDK_GRAB_FAILED: the grab failed for some other reason
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*
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* Returned by gdk_device_grab() to indicate success or the reason for the
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* failure of the grab attempt.
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*/
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typedef enum
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{
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GDK_GRAB_SUCCESS = 0,
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GDK_GRAB_ALREADY_GRABBED = 1,
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GDK_GRAB_INVALID_TIME = 2,
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GDK_GRAB_NOT_VIEWABLE = 3,
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GDK_GRAB_FROZEN = 4,
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GDK_GRAB_FAILED = 5
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} GdkGrabStatus;
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/**
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* GdkGrabOwnership:
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* @GDK_OWNERSHIP_NONE: All other devices’ events are allowed.
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* @GDK_OWNERSHIP_SURFACE: Other devices’ events are blocked for the grab surface.
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* @GDK_OWNERSHIP_APPLICATION: Other devices’ events are blocked for the whole application.
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*
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* Defines how device grabs interact with other devices.
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*/
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typedef enum
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{
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GDK_OWNERSHIP_NONE,
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GDK_OWNERSHIP_SURFACE,
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GDK_OWNERSHIP_APPLICATION
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} GdkGrabOwnership;
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GdkGrabStatus gdk_device_grab (GdkDevice *device,
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GdkSurface *surface,
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GdkGrabOwnership grab_ownership,
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gboolean owner_events,
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GdkEventMask event_mask,
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GdkCursor *cursor,
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guint32 time_);
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void gdk_device_ungrab (GdkDevice *device,
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guint32 time_);
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void gdk_device_get_position (GdkDevice *device,
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double *x,
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double *y);
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void gdk_surface_get_root_coords (GdkSurface *surface,
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gint x,
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gint y,
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gint *root_x,
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gint *root_y);
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void gdk_surface_get_origin (GdkSurface *surface,
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gint *x,
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gint *y);
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void gdk_surface_get_geometry (GdkSurface *surface,
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gint *x,
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gint *y,
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gint *width,
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gint *height);
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GdkGLContext *gdk_surface_get_shared_data_gl_context (GdkSurface *surface);
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typedef enum
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{
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GDK_HINT_POS = 1 << 0,
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GDK_HINT_MIN_SIZE = 1 << 1,
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GDK_HINT_MAX_SIZE = 1 << 2,
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GDK_HINT_BASE_SIZE = 1 << 3,
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GDK_HINT_ASPECT = 1 << 4,
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GDK_HINT_RESIZE_INC = 1 << 5,
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GDK_HINT_WIN_GRAVITY = 1 << 6,
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GDK_HINT_USER_POS = 1 << 7,
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GDK_HINT_USER_SIZE = 1 << 8
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} GdkSurfaceHints;
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struct _GdkGeometry
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{
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gint min_width;
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gint min_height;
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gint max_width;
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gint max_height;
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gint base_width;
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gint base_height;
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gint width_inc;
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gint height_inc;
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gdouble min_aspect;
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gdouble max_aspect;
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GdkGravity win_gravity;
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};
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GDK_AVAILABLE_IN_ALL
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void gdk_surface_constrain_size (GdkGeometry *geometry,
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GdkSurfaceHints flags,
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gint width,
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gint height,
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gint *new_width,
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gint *new_height);
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/*
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* GdkSeatGrabPrepareFunc:
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* @seat: the #GdkSeat being grabbed
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* @surface: the #GdkSurface being grabbed
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* @user_data: user data passed in gdk_seat_grab()
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*
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* Type of the callback used to set up @surface so it can be
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* grabbed. A typical action would be ensuring the surface is
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* visible, although there's room for other initialization
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* actions.
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*/
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typedef void (* GdkSeatGrabPrepareFunc) (GdkSeat *seat,
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GdkSurface *surface,
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gpointer user_data);
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GdkGrabStatus gdk_seat_grab (GdkSeat *seat,
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GdkSurface *surface,
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GdkSeatCapabilities capabilities,
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gboolean owner_events,
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GdkCursor *cursor,
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GdkEvent *event,
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GdkSeatGrabPrepareFunc prepare_func,
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gpointer prepare_func_data);
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void gdk_seat_ungrab (GdkSeat *seat);
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GdkSurface * gdk_surface_new_temp (GdkDisplay *display,
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const GdkRectangle *position);
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GdkKeymap * gdk_display_get_keymap (GdkDisplay *display);
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void gdk_surface_begin_resize_drag (GdkSurface *surface,
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GdkSurfaceEdge edge,
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GdkDevice *device,
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gint button,
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gint x,
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gint y,
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guint32 timestamp);
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void gdk_surface_begin_move_drag (GdkSurface *surface,
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GdkDevice *device,
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gint button,
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gint x,
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gint y,
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guint32 timestamp);
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G_END_DECLS
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#endif /* __GDK_INTERNALS_H__ */
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