gtk2/gdk/gdksurfaceprivate.h

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2019 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* Uninstalled header defining types and functions internal to GDK */
#ifndef __GDK_SURFACE_PRIVATE_H__
#define __GDK_SURFACE_PRIVATE_H__
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "gdkenumtypes.h"
#include "gdksurface.h"
G_BEGIN_DECLS
typedef enum
{
GDK_SURFACE_TOPLEVEL,
GDK_SURFACE_TEMP,
GDK_SURFACE_POPUP
} GdkSurfaceType;
struct _GdkSurface
{
GObject parent_instance;
GdkDisplay *display;
GdkSurface *transient_for; /* for toplevels */
GdkSurface *parent; /* for popups */
GList *children; /* popups */
gpointer widget;
gint x;
gint y;
guint8 resize_count;
GdkGLContext *gl_paint_context;
cairo_region_t *update_area;
guint update_freeze_count;
gboolean pending_schedule_update;
/* This is the update_area that was in effect when the current expose
started. It may be smaller than the expose area if we'e painting
more than we have to, but it represents the "true" damage. */
cairo_region_t *active_update_area;
GdkSurfaceState old_state;
GdkSurfaceState state;
guint8 alpha;
guint8 fullscreen_mode;
guint modal_hint : 1;
guint destroyed : 2;
guint support_multidevice : 1;
guint viewable : 1; /* mapped and all parents mapped */
guint in_update : 1;
guint frame_clock_events_paused : 1;
guint autohide : 1;
gdk/surface: Replace move_to_rect() with GdkPopupLayout based API Replace the gdk_surface_move_to_rect() API with a new GdkSurface method called gdk_surface_present_popup() taking a new GdkPopupLayout object describing how they should be laid out on screen. The layout properties provided are the same as the ones used with gdk_surface_move_to_rect(), except they are now set up using GdkPopupLayout. Calling gdk_surface_present_popup() will either show the popup at the position described using the popup layout object and a new unconstrained size, or reposition it accordingly. In some situations, such as when a popup is set to autohide, presenting may immediately fail, in case the grab was not granted by the display server. After a successful present, the result of the layout can be queried using the following methods: * gdk_surface_get_position() - to get the position relative to its parent * gdk_surface_get_width() - to get the current width * gdk_surface_get_height() - to get the current height * gdk_surface_get_rect_anchor() - to get the anchor point on the anchor rectangle the popup was effectively positioned against given constraints defined by the environment and the layout rules provided via GdkPopupLayout. * gdk_surface_get_surface_anchor() - the same as the one above but for the surface anchor. A new signal replaces the old "moved-to-rect" one - "popup-layout-changed". However, it is only intended to be emitted when the layout changes implicitly by the windowing system, for example if the monitor resolution changed, or the parent window moved.
2020-02-16 11:59:24 +00:00
struct {
GdkGravity surface_anchor;
GdkGravity rect_anchor;
} popup;
guint update_and_descendants_freeze_count;
gint width, height;
gint shadow_top;
gint shadow_left;
gint shadow_right;
gint shadow_bottom;
GdkCursor *cursor;
GHashTable *device_cursor;
cairo_region_t *input_region;
GList *devices_inside;
GdkFrameClock *frame_clock; /* NULL to use from parent or default */
GSList *draw_contexts;
GdkDrawContext *paint_context;
cairo_region_t *opaque_region;
guint shortcuts_inhibited : 1;
GdkSeat *current_shortcuts_inhibited_seat;
};
struct _GdkSurfaceClass
{
GObjectClass parent_class;
cairo_surface_t *
(* ref_cairo_surface) (GdkSurface *surface);
void (* hide) (GdkSurface *surface);
void (* get_geometry) (GdkSurface *surface,
gint *x,
gint *y,
gint *width,
gint *height);
void (* get_root_coords) (GdkSurface *surface,
gint x,
gint y,
gint *root_x,
gint *root_y);
gboolean (* get_device_state) (GdkSurface *surface,
GdkDevice *device,
gdouble *x,
gdouble *y,
GdkModifierType *mask);
void (* set_input_region) (GdkSurface *surface,
cairo_region_t *shape_region);
/* Called to do the windowing system specific part of gdk_surface_destroy(),
*
* surface: The window being destroyed
* foreign_destroy: If TRUE, the surface or a parent was destroyed by some
* external agency. The surface has already been destroyed and no
* windowing system calls should be made. (This may never happen
* for some windowing systems.)
*/
void (* destroy) (GdkSurface *surface,
gboolean foreign_destroy);
/* optional */
gboolean (* beep) (GdkSurface *surface);
void (* begin_resize_drag) (GdkSurface *surface,
GdkSurfaceEdge edge,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp);
void (* begin_move_drag) (GdkSurface *surface,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp);
void (* destroy_notify) (GdkSurface *surface);
GdkDrag * (* drag_begin) (GdkSurface *surface,
GdkDevice *device,
GdkContentProvider*content,
GdkDragAction actions,
gint dx,
gint dy);
gint (* get_scale_factor) (GdkSurface *surface);
void (* get_unscaled_size) (GdkSurface *surface,
int *unscaled_width,
int *unscaled_height);
void (* set_opaque_region) (GdkSurface *surface,
cairo_region_t *region);
void (* set_shadow_width) (GdkSurface *surface,
gint left,
gint right,
gint top,
gint bottom);
GdkGLContext *(*create_gl_context) (GdkSurface *surface,
gboolean attached,
GdkGLContext *share,
GError **error);
};
void gdk_surface_set_state (GdkSurface *surface,
GdkSurfaceState new_state);
gdk/surface: Replace move_to_rect() with GdkPopupLayout based API Replace the gdk_surface_move_to_rect() API with a new GdkSurface method called gdk_surface_present_popup() taking a new GdkPopupLayout object describing how they should be laid out on screen. The layout properties provided are the same as the ones used with gdk_surface_move_to_rect(), except they are now set up using GdkPopupLayout. Calling gdk_surface_present_popup() will either show the popup at the position described using the popup layout object and a new unconstrained size, or reposition it accordingly. In some situations, such as when a popup is set to autohide, presenting may immediately fail, in case the grab was not granted by the display server. After a successful present, the result of the layout can be queried using the following methods: * gdk_surface_get_position() - to get the position relative to its parent * gdk_surface_get_width() - to get the current width * gdk_surface_get_height() - to get the current height * gdk_surface_get_rect_anchor() - to get the anchor point on the anchor rectangle the popup was effectively positioned against given constraints defined by the environment and the layout rules provided via GdkPopupLayout. * gdk_surface_get_surface_anchor() - the same as the one above but for the surface anchor. A new signal replaces the old "moved-to-rect" one - "popup-layout-changed". However, it is only intended to be emitted when the layout changes implicitly by the windowing system, for example if the monitor resolution changed, or the parent window moved.
2020-02-16 11:59:24 +00:00
void gdk_surface_layout_popup_helper (GdkSurface *surface,
int width,
int height,
GdkPopupLayout *layout,
GdkRectangle *out_final_rect);
static inline GdkGravity
gdk_gravity_flip_horizontally (GdkGravity anchor)
{
switch (anchor)
{
default:
case GDK_GRAVITY_STATIC:
case GDK_GRAVITY_NORTH_WEST:
return GDK_GRAVITY_NORTH_EAST;
case GDK_GRAVITY_NORTH:
return GDK_GRAVITY_NORTH;
case GDK_GRAVITY_NORTH_EAST:
return GDK_GRAVITY_NORTH_WEST;
case GDK_GRAVITY_WEST:
return GDK_GRAVITY_EAST;
case GDK_GRAVITY_CENTER:
return GDK_GRAVITY_CENTER;
case GDK_GRAVITY_EAST:
return GDK_GRAVITY_WEST;
case GDK_GRAVITY_SOUTH_WEST:
return GDK_GRAVITY_SOUTH_EAST;
case GDK_GRAVITY_SOUTH:
return GDK_GRAVITY_SOUTH;
case GDK_GRAVITY_SOUTH_EAST:
return GDK_GRAVITY_SOUTH_WEST;
}
g_assert_not_reached ();
}
static inline GdkGravity
gdk_gravity_flip_vertically (GdkGravity anchor)
{
switch (anchor)
{
default:
case GDK_GRAVITY_STATIC:
case GDK_GRAVITY_NORTH_WEST:
return GDK_GRAVITY_SOUTH_WEST;
case GDK_GRAVITY_NORTH:
return GDK_GRAVITY_SOUTH;
case GDK_GRAVITY_NORTH_EAST:
return GDK_GRAVITY_SOUTH_EAST;
case GDK_GRAVITY_WEST:
return GDK_GRAVITY_WEST;
case GDK_GRAVITY_CENTER:
return GDK_GRAVITY_CENTER;
case GDK_GRAVITY_EAST:
return GDK_GRAVITY_EAST;
case GDK_GRAVITY_SOUTH_WEST:
return GDK_GRAVITY_NORTH_WEST;
case GDK_GRAVITY_SOUTH:
return GDK_GRAVITY_NORTH;
case GDK_GRAVITY_SOUTH_EAST:
return GDK_GRAVITY_NORTH_EAST;
}
g_assert_not_reached ();
}
G_END_DECLS
#endif /* __GDK_SURFACE_PRIVATE_H__ */