mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-18 09:00:34 +00:00
e9b0f9e81a
We add _gdk_offscreen_window_get_real_drawable to get the real pixmap impl for offscreen windows, then we use this in gdkgc-win32.c:get_impl_drawable() for offscreen windows This fixes a crash when rendering win32 theme parts on offscreen windows (bug #623563)
1309 lines
32 KiB
C
1309 lines
32 KiB
C
/* GDK - The GIMP Drawing Kit
|
||
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
||
*
|
||
* 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, write to the
|
||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
* Boston, MA 02111-1307, USA.
|
||
*/
|
||
|
||
/*
|
||
* Modified by the GTK+ Team and others 1997-2005. See the AUTHORS
|
||
* file for a list of people on the GTK+ Team. See the ChangeLog
|
||
* files for a list of changes. These files are distributed with
|
||
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
|
||
*/
|
||
|
||
#include <config.h>
|
||
#include <math.h>
|
||
#include "gdk.h"
|
||
#include "gdkwindow.h"
|
||
#include "gdkinternals.h"
|
||
#include "gdkwindowimpl.h"
|
||
#include "gdkpixmap.h"
|
||
#include "gdkdrawable.h"
|
||
#include "gdktypes.h"
|
||
#include "gdkscreen.h"
|
||
#include "gdkgc.h"
|
||
#include "gdkcolor.h"
|
||
#include "gdkcursor.h"
|
||
#include "gdkalias.h"
|
||
|
||
/* LIMITATIONS:
|
||
*
|
||
* Offscreen windows can't be the child of a foreign window,
|
||
* nor contain foreign windows
|
||
* GDK_POINTER_MOTION_HINT_MASK isn't effective
|
||
*/
|
||
|
||
typedef struct _GdkOffscreenWindowClass GdkOffscreenWindowClass;
|
||
|
||
struct _GdkOffscreenWindow
|
||
{
|
||
GdkDrawable parent_instance;
|
||
|
||
GdkWindow *wrapper;
|
||
GdkCursor *cursor;
|
||
GdkColormap *colormap;
|
||
GdkScreen *screen;
|
||
|
||
GdkPixmap *pixmap;
|
||
GdkWindow *embedder;
|
||
};
|
||
|
||
struct _GdkOffscreenWindowClass
|
||
{
|
||
GdkDrawableClass parent_class;
|
||
};
|
||
|
||
#define GDK_OFFSCREEN_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_OFFSCREEN_WINDOW, GdkOffscreenWindowClass))
|
||
#define GDK_IS_OFFSCREEN_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_OFFSCREEN_WINDOW))
|
||
#define GDK_OFFSCREEN_WINDOW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_OFFSCREEN_WINDOW, GdkOffscreenWindowClass))
|
||
|
||
static void gdk_offscreen_window_impl_iface_init (GdkWindowImplIface *iface);
|
||
static void gdk_offscreen_window_hide (GdkWindow *window);
|
||
|
||
G_DEFINE_TYPE_WITH_CODE (GdkOffscreenWindow,
|
||
gdk_offscreen_window,
|
||
GDK_TYPE_DRAWABLE,
|
||
G_IMPLEMENT_INTERFACE (GDK_TYPE_WINDOW_IMPL,
|
||
gdk_offscreen_window_impl_iface_init));
|
||
|
||
|
||
static void
|
||
gdk_offscreen_window_finalize (GObject *object)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (object);
|
||
|
||
if (offscreen->cursor)
|
||
gdk_cursor_unref (offscreen->cursor);
|
||
|
||
offscreen->cursor = NULL;
|
||
|
||
g_object_unref (offscreen->pixmap);
|
||
|
||
G_OBJECT_CLASS (gdk_offscreen_window_parent_class)->finalize (object);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_init (GdkOffscreenWindow *window)
|
||
{
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_destroy (GdkWindow *window,
|
||
gboolean recursing,
|
||
gboolean foreign_destroy)
|
||
{
|
||
GdkWindowObject *private = GDK_WINDOW_OBJECT (window);
|
||
GdkOffscreenWindow *offscreen;
|
||
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
|
||
gdk_offscreen_window_set_embedder (window, NULL);
|
||
|
||
if (!recursing)
|
||
gdk_offscreen_window_hide (window);
|
||
|
||
g_object_unref (offscreen->colormap);
|
||
offscreen->colormap = NULL;
|
||
}
|
||
|
||
static gboolean
|
||
is_parent_of (GdkWindow *parent,
|
||
GdkWindow *child)
|
||
{
|
||
GdkWindow *w;
|
||
|
||
w = child;
|
||
while (w != NULL)
|
||
{
|
||
if (w == parent)
|
||
return TRUE;
|
||
|
||
w = gdk_window_get_parent (w);
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static GdkGC *
|
||
gdk_offscreen_window_create_gc (GdkDrawable *drawable,
|
||
GdkGCValues *values,
|
||
GdkGCValuesMask values_mask)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
|
||
return gdk_gc_new_with_values (offscreen->pixmap, values, values_mask);
|
||
}
|
||
|
||
static GdkImage*
|
||
gdk_offscreen_window_copy_to_image (GdkDrawable *drawable,
|
||
GdkImage *image,
|
||
gint src_x,
|
||
gint src_y,
|
||
gint dest_x,
|
||
gint dest_y,
|
||
gint width,
|
||
gint height)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
|
||
return gdk_drawable_copy_to_image (offscreen->pixmap,
|
||
image,
|
||
src_x,
|
||
src_y,
|
||
dest_x, dest_y,
|
||
width, height);
|
||
}
|
||
|
||
static cairo_surface_t *
|
||
gdk_offscreen_window_ref_cairo_surface (GdkDrawable *drawable)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
|
||
return _gdk_drawable_ref_cairo_surface (offscreen->pixmap);
|
||
}
|
||
|
||
static GdkColormap*
|
||
gdk_offscreen_window_get_colormap (GdkDrawable *drawable)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
|
||
return offscreen->colormap;
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_set_colormap (GdkDrawable *drawable,
|
||
GdkColormap*colormap)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
|
||
if (colormap && GDK_WINDOW_DESTROYED (offscreen->wrapper))
|
||
return;
|
||
|
||
if (offscreen->colormap == colormap)
|
||
return;
|
||
|
||
if (offscreen->colormap)
|
||
g_object_unref (offscreen->colormap);
|
||
|
||
offscreen->colormap = colormap;
|
||
if (offscreen->colormap)
|
||
g_object_ref (offscreen->colormap);
|
||
}
|
||
|
||
|
||
static gint
|
||
gdk_offscreen_window_get_depth (GdkDrawable *drawable)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
|
||
return gdk_drawable_get_depth (offscreen->wrapper);
|
||
}
|
||
|
||
static GdkDrawable *
|
||
gdk_offscreen_window_get_source_drawable (GdkDrawable *drawable)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
|
||
return _gdk_drawable_get_source_drawable (offscreen->pixmap);
|
||
}
|
||
|
||
static GdkDrawable *
|
||
gdk_offscreen_window_get_composite_drawable (GdkDrawable *drawable,
|
||
gint x,
|
||
gint y,
|
||
gint width,
|
||
gint height,
|
||
gint *composite_x_offset,
|
||
gint *composite_y_offset)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
|
||
return g_object_ref (offscreen->pixmap);
|
||
}
|
||
|
||
static GdkScreen*
|
||
gdk_offscreen_window_get_screen (GdkDrawable *drawable)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
|
||
return offscreen->screen;
|
||
}
|
||
|
||
static GdkVisual*
|
||
gdk_offscreen_window_get_visual (GdkDrawable *drawable)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
|
||
return gdk_drawable_get_visual (offscreen->wrapper);
|
||
}
|
||
|
||
static void
|
||
add_damage (GdkOffscreenWindow *offscreen,
|
||
int x, int y,
|
||
int w, int h,
|
||
gboolean is_line)
|
||
{
|
||
GdkRectangle rect;
|
||
GdkRegion *damage;
|
||
|
||
rect.x = x;
|
||
rect.y = y;
|
||
rect.width = w;
|
||
rect.height = h;
|
||
|
||
if (is_line)
|
||
{
|
||
/* This should really take into account line width, line
|
||
* joins (and miter) and line caps. But these are hard
|
||
* to compute, rarely used and generally a pain. And in
|
||
* the end a snug damage rectangle is not that important
|
||
* as multiple damages are generally created anyway.
|
||
*
|
||
* So, we just add some padding around the rect.
|
||
* We use a padding of 3 pixels, plus an extra row
|
||
* below and on the right for the normal line size. I.E.
|
||
* line from (0,0) to (2,0) gets h=0 but is really
|
||
* at least one pixel tall.
|
||
*/
|
||
rect.x -= 3;
|
||
rect.y -= 3;
|
||
rect.width += 7;
|
||
rect.height += 7;
|
||
}
|
||
|
||
damage = gdk_region_rectangle (&rect);
|
||
_gdk_window_add_damage (offscreen->wrapper, damage);
|
||
gdk_region_destroy (damage);
|
||
}
|
||
|
||
static GdkDrawable *
|
||
get_real_drawable (GdkOffscreenWindow *offscreen)
|
||
{
|
||
GdkPixmapObject *pixmap;
|
||
pixmap = (GdkPixmapObject *) offscreen->pixmap;
|
||
return GDK_DRAWABLE (pixmap->impl);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_drawable (GdkDrawable *drawable,
|
||
GdkGC *gc,
|
||
GdkPixmap *src,
|
||
gint xsrc,
|
||
gint ysrc,
|
||
gint xdest,
|
||
gint ydest,
|
||
gint width,
|
||
gint height,
|
||
GdkDrawable *original_src)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
|
||
gdk_draw_drawable (real_drawable, gc,
|
||
src, xsrc, ysrc,
|
||
xdest, ydest,
|
||
width, height);
|
||
|
||
add_damage (offscreen, xdest, ydest, width, height, FALSE);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_rectangle (GdkDrawable *drawable,
|
||
GdkGC *gc,
|
||
gboolean filled,
|
||
gint x,
|
||
gint y,
|
||
gint width,
|
||
gint height)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
|
||
gdk_draw_rectangle (real_drawable,
|
||
gc, filled, x, y, width, height);
|
||
|
||
add_damage (offscreen, x, y, width, height, !filled);
|
||
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_arc (GdkDrawable *drawable,
|
||
GdkGC *gc,
|
||
gboolean filled,
|
||
gint x,
|
||
gint y,
|
||
gint width,
|
||
gint height,
|
||
gint angle1,
|
||
gint angle2)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
|
||
gdk_draw_arc (real_drawable,
|
||
gc,
|
||
filled,
|
||
x,
|
||
y,
|
||
width,
|
||
height,
|
||
angle1,
|
||
angle2);
|
||
add_damage (offscreen, x, y, width, height, !filled);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_polygon (GdkDrawable *drawable,
|
||
GdkGC *gc,
|
||
gboolean filled,
|
||
GdkPoint *points,
|
||
gint npoints)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
|
||
gdk_draw_polygon (real_drawable,
|
||
gc,
|
||
filled,
|
||
points,
|
||
npoints);
|
||
|
||
if (npoints > 0)
|
||
{
|
||
int min_x, min_y, max_x, max_y, i;
|
||
|
||
min_x = max_x = points[0].x;
|
||
min_y = max_y = points[0].y;
|
||
|
||
for (i = 1; i < npoints; i++)
|
||
{
|
||
min_x = MIN (min_x, points[i].x);
|
||
max_x = MAX (max_x, points[i].x);
|
||
min_y = MIN (min_y, points[i].y);
|
||
max_y = MAX (max_y, points[i].y);
|
||
}
|
||
|
||
add_damage (offscreen, min_x, min_y,
|
||
max_x - min_x,
|
||
max_y - min_y, !filled);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_text (GdkDrawable *drawable,
|
||
GdkFont *font,
|
||
GdkGC *gc,
|
||
gint x,
|
||
gint y,
|
||
const gchar *text,
|
||
gint text_length)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
GdkWindowObject *private = GDK_WINDOW_OBJECT (offscreen->wrapper);
|
||
|
||
gdk_draw_text (real_drawable,
|
||
font,
|
||
gc,
|
||
x,
|
||
y,
|
||
text,
|
||
text_length);
|
||
|
||
/* Hard to compute the minimal size, not that often used anyway. */
|
||
add_damage (offscreen, 0, 0, private->width, private->height, FALSE);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_text_wc (GdkDrawable *drawable,
|
||
GdkFont *font,
|
||
GdkGC *gc,
|
||
gint x,
|
||
gint y,
|
||
const GdkWChar *text,
|
||
gint text_length)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
GdkWindowObject *private = GDK_WINDOW_OBJECT (offscreen->wrapper);
|
||
|
||
gdk_draw_text_wc (real_drawable,
|
||
font,
|
||
gc,
|
||
x,
|
||
y,
|
||
text,
|
||
text_length);
|
||
|
||
/* Hard to compute the minimal size, not that often used anyway. */
|
||
add_damage (offscreen, 0, 0, private->width, private->height, FALSE);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_points (GdkDrawable *drawable,
|
||
GdkGC *gc,
|
||
GdkPoint *points,
|
||
gint npoints)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
|
||
gdk_draw_points (real_drawable,
|
||
gc,
|
||
points,
|
||
npoints);
|
||
|
||
|
||
if (npoints > 0)
|
||
{
|
||
int min_x, min_y, max_x, max_y, i;
|
||
|
||
min_x = max_x = points[0].x;
|
||
min_y = max_y = points[0].y;
|
||
|
||
for (i = 1; i < npoints; i++)
|
||
{
|
||
min_x = MIN (min_x, points[i].x);
|
||
max_x = MAX (max_x, points[i].x);
|
||
min_y = MIN (min_y, points[i].y);
|
||
max_y = MAX (max_y, points[i].y);
|
||
}
|
||
|
||
add_damage (offscreen, min_x, min_y,
|
||
max_x - min_x + 1,
|
||
max_y - min_y + 1,
|
||
FALSE);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_segments (GdkDrawable *drawable,
|
||
GdkGC *gc,
|
||
GdkSegment *segs,
|
||
gint nsegs)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
|
||
gdk_draw_segments (real_drawable,
|
||
gc,
|
||
segs,
|
||
nsegs);
|
||
|
||
if (nsegs > 0)
|
||
{
|
||
int min_x, min_y, max_x, max_y, i;
|
||
|
||
min_x = max_x = segs[0].x1;
|
||
min_y = max_y = segs[0].y1;
|
||
|
||
for (i = 0; i < nsegs; i++)
|
||
{
|
||
min_x = MIN (min_x, segs[i].x1);
|
||
max_x = MAX (max_x, segs[i].x1);
|
||
min_x = MIN (min_x, segs[i].x2);
|
||
max_x = MAX (max_x, segs[i].x2);
|
||
min_y = MIN (min_y, segs[i].y1);
|
||
max_y = MAX (max_y, segs[i].y1);
|
||
min_y = MIN (min_y, segs[i].y2);
|
||
max_y = MAX (max_y, segs[i].y2);
|
||
}
|
||
|
||
add_damage (offscreen, min_x, min_y,
|
||
max_x - min_x,
|
||
max_y - min_y, TRUE);
|
||
}
|
||
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_lines (GdkDrawable *drawable,
|
||
GdkGC *gc,
|
||
GdkPoint *points,
|
||
gint npoints)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
GdkWindowObject *private = GDK_WINDOW_OBJECT (offscreen->wrapper);
|
||
|
||
gdk_draw_lines (real_drawable,
|
||
gc,
|
||
points,
|
||
npoints);
|
||
|
||
/* Hard to compute the minimal size, as we don't know the line
|
||
width, and since joins are hard to calculate.
|
||
Its not that often used anyway, damage it all */
|
||
add_damage (offscreen, 0, 0, private->width, private->height, TRUE);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_image (GdkDrawable *drawable,
|
||
GdkGC *gc,
|
||
GdkImage *image,
|
||
gint xsrc,
|
||
gint ysrc,
|
||
gint xdest,
|
||
gint ydest,
|
||
gint width,
|
||
gint height)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
|
||
gdk_draw_image (real_drawable,
|
||
gc,
|
||
image,
|
||
xsrc,
|
||
ysrc,
|
||
xdest,
|
||
ydest,
|
||
width,
|
||
height);
|
||
|
||
add_damage (offscreen, xdest, ydest, width, height, FALSE);
|
||
}
|
||
|
||
|
||
static void
|
||
gdk_offscreen_window_draw_pixbuf (GdkDrawable *drawable,
|
||
GdkGC *gc,
|
||
GdkPixbuf *pixbuf,
|
||
gint src_x,
|
||
gint src_y,
|
||
gint dest_x,
|
||
gint dest_y,
|
||
gint width,
|
||
gint height,
|
||
GdkRgbDither dither,
|
||
gint x_dither,
|
||
gint y_dither)
|
||
{
|
||
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
|
||
GdkDrawable *real_drawable = get_real_drawable (offscreen);
|
||
|
||
gdk_draw_pixbuf (real_drawable,
|
||
gc,
|
||
pixbuf,
|
||
src_x,
|
||
src_y,
|
||
dest_x,
|
||
dest_y,
|
||
width,
|
||
height,
|
||
dither,
|
||
x_dither,
|
||
y_dither);
|
||
|
||
add_damage (offscreen, dest_x, dest_y, width, height, FALSE);
|
||
|
||
}
|
||
|
||
void
|
||
_gdk_offscreen_window_new (GdkWindow *window,
|
||
GdkScreen *screen,
|
||
GdkVisual *visual,
|
||
GdkWindowAttr *attributes,
|
||
gint attributes_mask)
|
||
{
|
||
GdkWindowObject *private;
|
||
GdkOffscreenWindow *offscreen;
|
||
|
||
g_return_if_fail (attributes != NULL);
|
||
|
||
if (attributes->wclass != GDK_INPUT_OUTPUT)
|
||
return; /* Can't support input only offscreens */
|
||
|
||
private = (GdkWindowObject *)window;
|
||
|
||
if (private->parent != NULL && GDK_WINDOW_DESTROYED (private->parent))
|
||
return;
|
||
|
||
private->impl = g_object_new (GDK_TYPE_OFFSCREEN_WINDOW, NULL);
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
offscreen->wrapper = window;
|
||
|
||
offscreen->screen = screen;
|
||
|
||
if (attributes_mask & GDK_WA_COLORMAP)
|
||
offscreen->colormap = g_object_ref (attributes->colormap);
|
||
else
|
||
{
|
||
if (gdk_screen_get_system_visual (screen) == visual)
|
||
{
|
||
offscreen->colormap = gdk_screen_get_system_colormap (screen);
|
||
g_object_ref (offscreen->colormap);
|
||
}
|
||
else
|
||
offscreen->colormap = gdk_colormap_new (visual, FALSE);
|
||
}
|
||
|
||
offscreen->pixmap = gdk_pixmap_new ((GdkDrawable *)private->parent,
|
||
private->width,
|
||
private->height,
|
||
private->depth);
|
||
gdk_drawable_set_colormap (offscreen->pixmap, offscreen->colormap);
|
||
}
|
||
|
||
static gboolean
|
||
gdk_offscreen_window_reparent (GdkWindow *window,
|
||
GdkWindow *new_parent,
|
||
gint x,
|
||
gint y)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
GdkWindowObject *new_parent_private = (GdkWindowObject *)new_parent;
|
||
GdkWindowObject *old_parent;
|
||
gboolean was_mapped;
|
||
|
||
if (new_parent)
|
||
{
|
||
/* No input-output children of input-only windows */
|
||
if (new_parent_private->input_only && !private->input_only)
|
||
return FALSE;
|
||
|
||
/* Don't create loops in hierarchy */
|
||
if (is_parent_of (window, new_parent))
|
||
return FALSE;
|
||
}
|
||
|
||
was_mapped = GDK_WINDOW_IS_MAPPED (window);
|
||
|
||
gdk_window_hide (window);
|
||
|
||
if (private->parent)
|
||
private->parent->children = g_list_remove (private->parent->children, window);
|
||
|
||
old_parent = private->parent;
|
||
private->parent = new_parent_private;
|
||
private->x = x;
|
||
private->y = y;
|
||
|
||
if (new_parent_private)
|
||
private->parent->children = g_list_prepend (private->parent->children, window);
|
||
|
||
_gdk_synthesize_crossing_events_for_geometry_change (window);
|
||
if (old_parent)
|
||
_gdk_synthesize_crossing_events_for_geometry_change (GDK_WINDOW (old_parent));
|
||
|
||
return was_mapped;
|
||
}
|
||
|
||
static void
|
||
from_embedder (GdkWindow *window,
|
||
double embedder_x, double embedder_y,
|
||
double *offscreen_x, double *offscreen_y)
|
||
{
|
||
GdkWindowObject *private;
|
||
|
||
private = (GdkWindowObject *)window;
|
||
|
||
g_signal_emit_by_name (private->impl_window,
|
||
"from-embedder",
|
||
embedder_x, embedder_y,
|
||
offscreen_x, offscreen_y,
|
||
NULL);
|
||
}
|
||
|
||
static void
|
||
to_embedder (GdkWindow *window,
|
||
double offscreen_x, double offscreen_y,
|
||
double *embedder_x, double *embedder_y)
|
||
{
|
||
GdkWindowObject *private;
|
||
|
||
private = (GdkWindowObject *)window;
|
||
|
||
g_signal_emit_by_name (private->impl_window,
|
||
"to-embedder",
|
||
offscreen_x, offscreen_y,
|
||
embedder_x, embedder_y,
|
||
NULL);
|
||
}
|
||
|
||
static gint
|
||
gdk_offscreen_window_get_root_coords (GdkWindow *window,
|
||
gint x,
|
||
gint y,
|
||
gint *root_x,
|
||
gint *root_y)
|
||
{
|
||
GdkWindowObject *private = GDK_WINDOW_OBJECT (window);
|
||
GdkOffscreenWindow *offscreen;
|
||
int tmpx, tmpy;
|
||
|
||
tmpx = x;
|
||
tmpy = y;
|
||
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
if (offscreen->embedder)
|
||
{
|
||
double dx, dy;
|
||
to_embedder (window,
|
||
x, y,
|
||
&dx, &dy);
|
||
tmpx = floor (dx + 0.5);
|
||
tmpy = floor (dy + 0.5);
|
||
gdk_window_get_root_coords (offscreen->embedder,
|
||
tmpx, tmpy,
|
||
&tmpx, &tmpy);
|
||
|
||
}
|
||
|
||
if (root_x)
|
||
*root_x = tmpx;
|
||
if (root_y)
|
||
*root_y = tmpy;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gint
|
||
gdk_offscreen_window_get_deskrelative_origin (GdkWindow *window,
|
||
gint *x,
|
||
gint *y)
|
||
{
|
||
GdkWindowObject *private = GDK_WINDOW_OBJECT (window);
|
||
GdkOffscreenWindow *offscreen;
|
||
int tmpx, tmpy;
|
||
|
||
tmpx = 0;
|
||
tmpy = 0;
|
||
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
if (offscreen->embedder)
|
||
{
|
||
double dx, dy;
|
||
gdk_window_get_deskrelative_origin (offscreen->embedder,
|
||
&tmpx, &tmpy);
|
||
|
||
to_embedder (window,
|
||
0, 0,
|
||
&dx, &dy);
|
||
tmpx = floor (tmpx + dx + 0.5);
|
||
tmpy = floor (tmpy + dy + 0.5);
|
||
}
|
||
|
||
|
||
if (x)
|
||
*x = tmpx;
|
||
if (y)
|
||
*y = tmpy;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_offscreen_window_get_pointer (GdkWindow *window,
|
||
gint *x,
|
||
gint *y,
|
||
GdkModifierType *mask)
|
||
{
|
||
GdkWindowObject *private = GDK_WINDOW_OBJECT (window);
|
||
GdkOffscreenWindow *offscreen;
|
||
int tmpx, tmpy;
|
||
double dtmpx, dtmpy;
|
||
GdkModifierType tmpmask;
|
||
|
||
tmpx = 0;
|
||
tmpy = 0;
|
||
tmpmask = 0;
|
||
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
if (offscreen->embedder != NULL)
|
||
{
|
||
gdk_window_get_pointer (offscreen->embedder, &tmpx, &tmpy, &tmpmask);
|
||
from_embedder (window,
|
||
tmpx, tmpy,
|
||
&dtmpx, &dtmpy);
|
||
tmpx = floor (dtmpx + 0.5);
|
||
tmpy = floor (dtmpy + 0.5);
|
||
}
|
||
|
||
if (x)
|
||
*x = tmpx;
|
||
if (y)
|
||
*y = tmpy;
|
||
if (mask)
|
||
*mask = tmpmask;
|
||
return TRUE;
|
||
}
|
||
|
||
GdkDrawable *
|
||
_gdk_offscreen_window_get_real_drawable (GdkOffscreenWindow *offscreen)
|
||
{
|
||
return get_real_drawable (offscreen);
|
||
}
|
||
|
||
/**
|
||
* gdk_offscreen_window_get_pixmap:
|
||
* @window: a #GdkWindow
|
||
*
|
||
* Gets the offscreen pixmap that an offscreen window renders into.
|
||
* If you need to keep this around over window resizes, you need to
|
||
* add a reference to it.
|
||
*
|
||
* Returns: The offscreen pixmap, or %NULL if not offscreen
|
||
*
|
||
* Since: 2.18
|
||
*/
|
||
GdkPixmap *
|
||
gdk_offscreen_window_get_pixmap (GdkWindow *window)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
GdkOffscreenWindow *offscreen;
|
||
|
||
g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
|
||
|
||
if (!GDK_IS_OFFSCREEN_WINDOW (private->impl))
|
||
return NULL;
|
||
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
return offscreen->pixmap;
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_raise (GdkWindow *window)
|
||
{
|
||
/* gdk_window_raise already changed the stacking order */
|
||
_gdk_synthesize_crossing_events_for_geometry_change (window);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_lower (GdkWindow *window)
|
||
{
|
||
/* gdk_window_lower already changed the stacking order */
|
||
_gdk_synthesize_crossing_events_for_geometry_change (window);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_move_resize_internal (GdkWindow *window,
|
||
gint x,
|
||
gint y,
|
||
gint width,
|
||
gint height,
|
||
gboolean send_expose_events)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
GdkOffscreenWindow *offscreen;
|
||
gint dx, dy, dw, dh;
|
||
GdkGC *gc;
|
||
GdkPixmap *old_pixmap;
|
||
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
|
||
if (width < 1)
|
||
width = 1;
|
||
if (height < 1)
|
||
height = 1;
|
||
|
||
if (private->destroyed)
|
||
return;
|
||
|
||
dx = x - private->x;
|
||
dy = y - private->y;
|
||
dw = width - private->width;
|
||
dh = height - private->height;
|
||
|
||
private->x = x;
|
||
private->y = y;
|
||
|
||
if (private->width != width ||
|
||
private->height != height)
|
||
{
|
||
private->width = width;
|
||
private->height = height;
|
||
|
||
old_pixmap = offscreen->pixmap;
|
||
offscreen->pixmap = gdk_pixmap_new (GDK_DRAWABLE (old_pixmap),
|
||
width,
|
||
height,
|
||
private->depth);
|
||
|
||
gc = _gdk_drawable_get_scratch_gc (offscreen->pixmap, FALSE);
|
||
gdk_draw_drawable (offscreen->pixmap,
|
||
gc,
|
||
old_pixmap,
|
||
0,0, 0, 0,
|
||
-1, -1);
|
||
g_object_unref (old_pixmap);
|
||
}
|
||
|
||
if (GDK_WINDOW_IS_MAPPED (private))
|
||
{
|
||
// TODO: Only invalidate new area, i.e. for larger windows
|
||
gdk_window_invalidate_rect (window, NULL, TRUE);
|
||
_gdk_synthesize_crossing_events_for_geometry_change (window);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_move_resize (GdkWindow *window,
|
||
gboolean with_move,
|
||
gint x,
|
||
gint y,
|
||
gint width,
|
||
gint height)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
GdkOffscreenWindow *offscreen;
|
||
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
|
||
if (!with_move)
|
||
{
|
||
x = private->x;
|
||
y = private->y;
|
||
}
|
||
|
||
if (width < 0)
|
||
width = private->width;
|
||
|
||
if (height < 0)
|
||
height = private->height;
|
||
|
||
gdk_offscreen_window_move_resize_internal (window, x, y,
|
||
width, height,
|
||
TRUE);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_show (GdkWindow *window,
|
||
gboolean already_mapped)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
|
||
gdk_window_clear_area_e (window, 0, 0,
|
||
private->width, private->height);
|
||
}
|
||
|
||
|
||
static void
|
||
gdk_offscreen_window_hide (GdkWindow *window)
|
||
{
|
||
GdkWindowObject *private;
|
||
GdkOffscreenWindow *offscreen;
|
||
GdkDisplay *display;
|
||
|
||
g_return_if_fail (window != NULL);
|
||
|
||
private = (GdkWindowObject*) window;
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
|
||
/* May need to break grabs on children */
|
||
display = gdk_drawable_get_display (window);
|
||
|
||
/* TODO: This needs updating to the new grab world */
|
||
#if 0
|
||
if (display->pointer_grab.window != NULL)
|
||
{
|
||
if (is_parent_of (window, display->pointer_grab.window))
|
||
{
|
||
/* Call this ourselves, even though gdk_display_pointer_ungrab
|
||
does so too, since we want to pass implicit == TRUE so the
|
||
broken grab event is generated */
|
||
_gdk_display_unset_has_pointer_grab (display,
|
||
TRUE,
|
||
FALSE,
|
||
GDK_CURRENT_TIME);
|
||
gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
|
||
}
|
||
}
|
||
#endif
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_withdraw (GdkWindow *window)
|
||
{
|
||
}
|
||
|
||
static GdkEventMask
|
||
gdk_offscreen_window_get_events (GdkWindow *window)
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_set_events (GdkWindow *window,
|
||
GdkEventMask event_mask)
|
||
{
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_set_background (GdkWindow *window,
|
||
const GdkColor *color)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
GdkColormap *colormap = gdk_drawable_get_colormap (window);
|
||
|
||
private->bg_color = *color;
|
||
gdk_colormap_query_color (colormap, private->bg_color.pixel, &private->bg_color);
|
||
|
||
if (private->bg_pixmap &&
|
||
private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
|
||
private->bg_pixmap != GDK_NO_BG)
|
||
g_object_unref (private->bg_pixmap);
|
||
|
||
private->bg_pixmap = NULL;
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_set_back_pixmap (GdkWindow *window,
|
||
GdkPixmap *pixmap)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
|
||
if (pixmap &&
|
||
private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
|
||
private->bg_pixmap != GDK_NO_BG &&
|
||
!gdk_drawable_get_colormap (pixmap))
|
||
{
|
||
g_warning ("gdk_window_set_back_pixmap(): pixmap must have a colormap");
|
||
return;
|
||
}
|
||
|
||
if (private->bg_pixmap &&
|
||
private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
|
||
private->bg_pixmap != GDK_NO_BG)
|
||
g_object_unref (private->bg_pixmap);
|
||
|
||
private->bg_pixmap = pixmap;
|
||
|
||
if (pixmap &&
|
||
private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
|
||
private->bg_pixmap != GDK_NO_BG)
|
||
g_object_ref (pixmap);
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_shape_combine_region (GdkWindow *window,
|
||
const GdkRegion *shape_region,
|
||
gint offset_x,
|
||
gint offset_y)
|
||
{
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_input_shape_combine_region (GdkWindow *window,
|
||
const GdkRegion *shape_region,
|
||
gint offset_x,
|
||
gint offset_y)
|
||
{
|
||
}
|
||
|
||
static gboolean
|
||
gdk_offscreen_window_set_static_gravities (GdkWindow *window,
|
||
gboolean use_static)
|
||
{
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_set_cursor (GdkWindow *window,
|
||
GdkCursor *cursor)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
GdkOffscreenWindow *offscreen;
|
||
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
|
||
if (offscreen->cursor)
|
||
{
|
||
gdk_cursor_unref (offscreen->cursor);
|
||
offscreen->cursor = NULL;
|
||
}
|
||
|
||
if (cursor)
|
||
offscreen->cursor = gdk_cursor_ref (cursor);
|
||
|
||
/* TODO: The cursor is never actually used... */
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_get_geometry (GdkWindow *window,
|
||
gint *x,
|
||
gint *y,
|
||
gint *width,
|
||
gint *height,
|
||
gint *depth)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
|
||
g_return_if_fail (window == NULL || GDK_IS_WINDOW (window));
|
||
|
||
if (!GDK_WINDOW_DESTROYED (window))
|
||
{
|
||
if (x)
|
||
*x = private->x;
|
||
if (y)
|
||
*y = private->y;
|
||
if (width)
|
||
*width = private->width;
|
||
if (height)
|
||
*height = private->height;
|
||
if (depth)
|
||
*depth = private->depth;
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
gdk_offscreen_window_queue_antiexpose (GdkWindow *window,
|
||
GdkRegion *area)
|
||
{
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_queue_translation (GdkWindow *window,
|
||
GdkGC *gc,
|
||
GdkRegion *area,
|
||
gint dx,
|
||
gint dy)
|
||
{
|
||
}
|
||
|
||
/**
|
||
* gdk_offscreen_window_set_embedder:
|
||
* @window: a #GdkWindow
|
||
* @embedder: the #GdkWindow that @window gets embedded in
|
||
*
|
||
* Sets @window to be embedded in @embedder.
|
||
*
|
||
* To fully embed an offscreen window, in addition to calling this
|
||
* function, it is also necessary to handle the #GdkWindow::pick-embedded-child
|
||
* signal on the @embedder and the #GdkWindow::to-embedder and
|
||
* #GdkWindow::from-embedder signals on @window.
|
||
*
|
||
* Since: 2.18
|
||
*/
|
||
void
|
||
gdk_offscreen_window_set_embedder (GdkWindow *window,
|
||
GdkWindow *embedder)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
GdkOffscreenWindow *offscreen;
|
||
|
||
g_return_if_fail (GDK_IS_WINDOW (window));
|
||
|
||
if (!GDK_IS_OFFSCREEN_WINDOW (private->impl))
|
||
return;
|
||
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
|
||
if (embedder)
|
||
{
|
||
g_object_ref (embedder);
|
||
GDK_WINDOW_OBJECT (embedder)->num_offscreen_children++;
|
||
}
|
||
|
||
if (offscreen->embedder)
|
||
{
|
||
g_object_unref (offscreen->embedder);
|
||
GDK_WINDOW_OBJECT (offscreen->embedder)->num_offscreen_children--;
|
||
}
|
||
|
||
offscreen->embedder = embedder;
|
||
}
|
||
|
||
/**
|
||
* gdk_offscreen_window_get_embedder:
|
||
* @window: a #GdkWindow
|
||
*
|
||
* Gets the window that @window is embedded in.
|
||
*
|
||
* Returns: the embedding #GdkWindow, or %NULL if @window is not an
|
||
* embedded offscreen window
|
||
*
|
||
* Since: 2.18
|
||
*/
|
||
GdkWindow *
|
||
gdk_offscreen_window_get_embedder (GdkWindow *window)
|
||
{
|
||
GdkWindowObject *private = (GdkWindowObject *)window;
|
||
GdkOffscreenWindow *offscreen;
|
||
|
||
g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
|
||
|
||
if (!GDK_IS_OFFSCREEN_WINDOW (private->impl))
|
||
return NULL;
|
||
|
||
offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
|
||
|
||
return offscreen->embedder;
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_class_init (GdkOffscreenWindowClass *klass)
|
||
{
|
||
GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
|
||
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||
|
||
object_class->finalize = gdk_offscreen_window_finalize;
|
||
|
||
drawable_class->create_gc = gdk_offscreen_window_create_gc;
|
||
drawable_class->_copy_to_image = gdk_offscreen_window_copy_to_image;
|
||
drawable_class->ref_cairo_surface = gdk_offscreen_window_ref_cairo_surface;
|
||
drawable_class->set_colormap = gdk_offscreen_window_set_colormap;
|
||
drawable_class->get_colormap = gdk_offscreen_window_get_colormap;
|
||
drawable_class->get_depth = gdk_offscreen_window_get_depth;
|
||
drawable_class->get_screen = gdk_offscreen_window_get_screen;
|
||
drawable_class->get_visual = gdk_offscreen_window_get_visual;
|
||
drawable_class->get_source_drawable = gdk_offscreen_window_get_source_drawable;
|
||
drawable_class->get_composite_drawable = gdk_offscreen_window_get_composite_drawable;
|
||
|
||
drawable_class->draw_rectangle = gdk_offscreen_window_draw_rectangle;
|
||
drawable_class->draw_arc = gdk_offscreen_window_draw_arc;
|
||
drawable_class->draw_polygon = gdk_offscreen_window_draw_polygon;
|
||
drawable_class->draw_text = gdk_offscreen_window_draw_text;
|
||
drawable_class->draw_text_wc = gdk_offscreen_window_draw_text_wc;
|
||
drawable_class->draw_drawable_with_src = gdk_offscreen_window_draw_drawable;
|
||
drawable_class->draw_points = gdk_offscreen_window_draw_points;
|
||
drawable_class->draw_segments = gdk_offscreen_window_draw_segments;
|
||
drawable_class->draw_lines = gdk_offscreen_window_draw_lines;
|
||
drawable_class->draw_image = gdk_offscreen_window_draw_image;
|
||
drawable_class->draw_pixbuf = gdk_offscreen_window_draw_pixbuf;
|
||
}
|
||
|
||
static void
|
||
gdk_offscreen_window_impl_iface_init (GdkWindowImplIface *iface)
|
||
{
|
||
iface->show = gdk_offscreen_window_show;
|
||
iface->hide = gdk_offscreen_window_hide;
|
||
iface->withdraw = gdk_offscreen_window_withdraw;
|
||
iface->raise = gdk_offscreen_window_raise;
|
||
iface->lower = gdk_offscreen_window_lower;
|
||
iface->move_resize = gdk_offscreen_window_move_resize;
|
||
iface->set_background = gdk_offscreen_window_set_background;
|
||
iface->set_back_pixmap = gdk_offscreen_window_set_back_pixmap;
|
||
iface->get_events = gdk_offscreen_window_get_events;
|
||
iface->set_events = gdk_offscreen_window_set_events;
|
||
iface->reparent = gdk_offscreen_window_reparent;
|
||
iface->set_cursor = gdk_offscreen_window_set_cursor;
|
||
iface->get_geometry = gdk_offscreen_window_get_geometry;
|
||
iface->shape_combine_region = gdk_offscreen_window_shape_combine_region;
|
||
iface->input_shape_combine_region = gdk_offscreen_window_input_shape_combine_region;
|
||
iface->set_static_gravities = gdk_offscreen_window_set_static_gravities;
|
||
iface->queue_antiexpose = gdk_offscreen_window_queue_antiexpose;
|
||
iface->queue_translation = gdk_offscreen_window_queue_translation;
|
||
iface->get_root_coords = gdk_offscreen_window_get_root_coords;
|
||
iface->get_deskrelative_origin = gdk_offscreen_window_get_deskrelative_origin;
|
||
iface->get_pointer = gdk_offscreen_window_get_pointer;
|
||
iface->destroy = gdk_offscreen_window_destroy;
|
||
}
|
||
|
||
#define __GDK_OFFSCREEN_WINDOW_C__
|
||
#include "gdkaliasdef.c"
|