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gtk/gdk/x11/gdkpixmap-x11.c
Owen Taylor c2bd238e88 Update for cairo-xlib API change. 
2005-05-13  Owen Taylor  <otaylor@redhat.com>

        * gdk/x11/gdkdrawable-x11.c: Update for cairo-xlib API change.

        * gdk/x11/gdkpixmap-x11.[ch] gdk/gdk.symbols: Export
        gdk_pixmap_impl_x11_get_type(), needed in gdkdrawable-x11.c.
2005-05-14 01:04:15 +00:00

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/* 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 1997-2000. 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
/* Needed for SEEK_END in SunOS */
#include <unistd.h>
#include <X11/Xlib.h>
#include "gdkx.h"
#include "gdkpixmap-x11.h"
#include "gdkprivate-x11.h"
#include "gdkscreen-x11.h"
#include "gdkdisplay-x11.h"
#include <gdk/gdkinternals.h>
#include "gdkalias.h"
typedef struct
{
gchar *color_string;
GdkColor color;
gint transparent;
} _GdkPixmapColor;
typedef struct
{
guint ncolors;
GdkColormap *colormap;
gulong pixels[1];
} _GdkPixmapInfo;
static void gdk_pixmap_impl_x11_get_size (GdkDrawable *drawable,
gint *width,
gint *height);
static void gdk_pixmap_impl_x11_init (GdkPixmapImplX11 *pixmap);
static void gdk_pixmap_impl_x11_class_init (GdkPixmapImplX11Class *klass);
static void gdk_pixmap_impl_x11_finalize (GObject *object);
static gpointer parent_class = NULL;
GType
gdk_pixmap_impl_x11_get_type (void)
{
static GType object_type = 0;
if (!object_type)
{
static const GTypeInfo object_info =
{
sizeof (GdkPixmapImplX11Class),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gdk_pixmap_impl_x11_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GdkPixmapImplX11),
0, /* n_preallocs */
(GInstanceInitFunc) gdk_pixmap_impl_x11_init,
};
object_type = g_type_register_static (GDK_TYPE_DRAWABLE_IMPL_X11,
"GdkPixmapImplX11",
&object_info, 0);
}
return object_type;
}
GType
_gdk_pixmap_impl_get_type (void)
{
return gdk_pixmap_impl_x11_get_type ();
}
static void
gdk_pixmap_impl_x11_init (GdkPixmapImplX11 *impl)
{
impl->width = 1;
impl->height = 1;
}
static void
gdk_pixmap_impl_x11_class_init (GdkPixmapImplX11Class *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gdk_pixmap_impl_x11_finalize;
drawable_class->get_size = gdk_pixmap_impl_x11_get_size;
}
static void
gdk_pixmap_impl_x11_finalize (GObject *object)
{
GdkPixmapImplX11 *impl = GDK_PIXMAP_IMPL_X11 (object);
GdkPixmap *wrapper = GDK_PIXMAP (GDK_DRAWABLE_IMPL_X11 (impl)->wrapper);
GdkDisplay *display = GDK_PIXMAP_DISPLAY (wrapper);
if (!display->closed)
{
GdkDrawableImplX11 *draw_impl = GDK_DRAWABLE_IMPL_X11 (impl);
_gdk_x11_drawable_finish (GDK_DRAWABLE (draw_impl));
if (!impl->is_foreign)
XFreePixmap (GDK_DISPLAY_XDISPLAY (display), GDK_PIXMAP_XID (wrapper));
}
_gdk_xid_table_remove (display, GDK_PIXMAP_XID (wrapper));
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gdk_pixmap_impl_x11_get_size (GdkDrawable *drawable,
gint *width,
gint *height)
{
if (width)
*width = GDK_PIXMAP_IMPL_X11 (drawable)->width;
if (height)
*height = GDK_PIXMAP_IMPL_X11 (drawable)->height;
}
GdkPixmap*
gdk_pixmap_new (GdkDrawable *drawable,
gint width,
gint height,
gint depth)
{
GdkPixmap *pixmap;
GdkDrawableImplX11 *draw_impl;
GdkPixmapImplX11 *pix_impl;
GdkColormap *cmap;
gint window_depth;
g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail ((drawable != NULL) || (depth != -1), NULL);
g_return_val_if_fail ((width != 0) && (height != 0), NULL);
if (!drawable)
{
GDK_NOTE (MULTIHEAD, g_message ("need to specify the screen parent window "
"for gdk_pixmap_new() to be multihead safe"));
drawable = gdk_screen_get_root_window (gdk_screen_get_default ());
}
if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
return NULL;
window_depth = gdk_drawable_get_depth (GDK_DRAWABLE (drawable));
if (depth == -1)
depth = window_depth;
pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
draw_impl = GDK_DRAWABLE_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
pix_impl = GDK_PIXMAP_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
draw_impl->wrapper = GDK_DRAWABLE (pixmap);
draw_impl->screen = GDK_WINDOW_SCREEN (drawable);
draw_impl->xid = XCreatePixmap (GDK_PIXMAP_XDISPLAY (pixmap),
GDK_WINDOW_XID (drawable),
width, height, depth);
pix_impl->is_foreign = FALSE;
pix_impl->width = width;
pix_impl->height = height;
GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
if (depth == window_depth)
{
cmap = gdk_drawable_get_colormap (drawable);
if (cmap)
gdk_drawable_set_colormap (pixmap, cmap);
}
_gdk_xid_table_insert (GDK_WINDOW_DISPLAY (drawable),
&GDK_PIXMAP_XID (pixmap), pixmap);
return pixmap;
}
GdkPixmap *
gdk_bitmap_create_from_data (GdkDrawable *drawable,
const gchar *data,
gint width,
gint height)
{
GdkPixmap *pixmap;
GdkDrawableImplX11 *draw_impl;
GdkPixmapImplX11 *pix_impl;
g_return_val_if_fail (data != NULL, NULL);
g_return_val_if_fail ((width != 0) && (height != 0), NULL);
g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
if (!drawable)
{
GDK_NOTE (MULTIHEAD, g_message ("need to specify the screen parent window "
"for gdk_bitmap_create_from_data() to be multihead safe"));
drawable = gdk_screen_get_root_window (gdk_screen_get_default ());
}
if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
return NULL;
pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
draw_impl = GDK_DRAWABLE_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
pix_impl = GDK_PIXMAP_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
draw_impl->wrapper = GDK_DRAWABLE (pixmap);
pix_impl->is_foreign = FALSE;
pix_impl->width = width;
pix_impl->height = height;
GDK_PIXMAP_OBJECT (pixmap)->depth = 1;
draw_impl->screen = GDK_WINDOW_SCREEN (drawable);
draw_impl->xid = XCreateBitmapFromData (GDK_WINDOW_XDISPLAY (drawable),
GDK_WINDOW_XID (drawable),
(char *)data, width, height);
_gdk_xid_table_insert (GDK_WINDOW_DISPLAY (drawable),
&GDK_PIXMAP_XID (pixmap), pixmap);
return pixmap;
}
GdkPixmap*
gdk_pixmap_create_from_data (GdkDrawable *drawable,
const gchar *data,
gint width,
gint height,
gint depth,
const GdkColor *fg,
const GdkColor *bg)
{
GdkPixmap *pixmap;
GdkDrawableImplX11 *draw_impl;
GdkPixmapImplX11 *pix_impl;
g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (data != NULL, NULL);
g_return_val_if_fail (fg != NULL, NULL);
g_return_val_if_fail (bg != NULL, NULL);
g_return_val_if_fail ((drawable != NULL) || (depth != -1), NULL);
g_return_val_if_fail ((width != 0) && (height != 0), NULL);
if (!drawable)
{
GDK_NOTE (MULTIHEAD, g_message ("need to specify the screen parent window"
"for gdk_pixmap_create_from_data() to be multihead safe"));
drawable = gdk_screen_get_root_window (gdk_screen_get_default ());
}
if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
return NULL;
if (depth == -1)
depth = gdk_drawable_get_visual (drawable)->depth;
pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
draw_impl = GDK_DRAWABLE_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
pix_impl = GDK_PIXMAP_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
draw_impl->wrapper = GDK_DRAWABLE (pixmap);
pix_impl->is_foreign = FALSE;
pix_impl->width = width;
pix_impl->height = height;
GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
draw_impl->screen = GDK_DRAWABLE_SCREEN (drawable);
draw_impl->xid = XCreatePixmapFromBitmapData (GDK_WINDOW_XDISPLAY (drawable),
GDK_WINDOW_XID (drawable),
(char *)data, width, height,
fg->pixel, bg->pixel, depth);
_gdk_xid_table_insert (GDK_WINDOW_DISPLAY (drawable),
&GDK_PIXMAP_XID (pixmap), pixmap);
return pixmap;
}
/**
* gdk_pixmap_foreign_new_for_display:
* @display: The #GdkDisplay where @anid is located.
* @anid: a native pixmap handle.
*
* Wraps a native pixmap in a #GdkPixmap.
* This may fail if the pixmap has been destroyed.
*
* For example in the X backend, a native pixmap handle is an Xlib
* <type>XID</type>.
*
* Return value: the newly-created #GdkPixmap wrapper for the
* native pixmap or %NULL if the pixmap has been destroyed.
*
* Since: 2.2
**/
GdkPixmap *
gdk_pixmap_foreign_new_for_display (GdkDisplay *display,
GdkNativeWindow anid)
{
GdkPixmap *pixmap;
GdkDrawableImplX11 *draw_impl;
GdkPixmapImplX11 *pix_impl;
Pixmap xpixmap;
Window root_return;
int x_ret, y_ret;
unsigned int w_ret, h_ret, bw_ret, depth_ret;
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
/* check to make sure we were passed something at
* least a little sane */
g_return_val_if_fail ((anid != 0), NULL);
/* set the pixmap to the passed in value */
xpixmap = anid;
/* get information about the Pixmap to fill in the structure for
the gdk window */
if (!XGetGeometry (GDK_DISPLAY_XDISPLAY (display),
xpixmap, &root_return,
&x_ret, &y_ret, &w_ret, &h_ret, &bw_ret, &depth_ret))
return NULL;
pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
draw_impl = GDK_DRAWABLE_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
pix_impl = GDK_PIXMAP_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
draw_impl->wrapper = GDK_DRAWABLE (pixmap);
draw_impl->screen = _gdk_x11_display_screen_for_xrootwin (display, root_return);
draw_impl->xid = xpixmap;
pix_impl->is_foreign = TRUE;
pix_impl->width = w_ret;
pix_impl->height = h_ret;
GDK_PIXMAP_OBJECT (pixmap)->depth = depth_ret;
_gdk_xid_table_insert (display, &GDK_PIXMAP_XID (pixmap), pixmap);
return pixmap;
}
/**
* gdk_pixmap_foreign_new:
* @anid: a native pixmap handle.
*
* Wraps a native window for the default display in a #GdkPixmap.
* This may fail if the pixmap has been destroyed.
*
* For example in the X backend, a native pixmap handle is an Xlib
* <type>XID</type>.
*
* Return value: the newly-created #GdkPixmap wrapper for the
* native pixmap or %NULL if the pixmap has been destroyed.
**/
GdkPixmap*
gdk_pixmap_foreign_new (GdkNativeWindow anid)
{
return gdk_pixmap_foreign_new_for_display (gdk_display_get_default (), anid);
}
/**
* gdk_pixmap_lookup:
* @anid: a native pixmap handle.
*
* Looks up the #GdkPixmap that wraps the given native pixmap handle.
*
* For example in the X backend, a native pixmap handle is an Xlib
* <type>XID</type>.
*
* Return value: the #GdkWindow wrapper for the native window,
* or %NULL if there is none.
**/
GdkPixmap*
gdk_pixmap_lookup (GdkNativeWindow anid)
{
return (GdkPixmap*) gdk_xid_table_lookup_for_display (gdk_display_get_default (), anid);
}
/**
* gdk_pixmap_lookup_for_display:
* @display: the #GdkDisplay associated with @anid
* @anid: a native pixmap handle.
*
* Looks up the #GdkPixmap that wraps the given native pixmap handle.
*
* For example in the X backend, a native pixmap handle is an Xlib
* <type>XID</type>.
*
* Return value: the #GdkPixmap wrapper for the native pixmap,
* or %NULL if there is none.
*
* Since: 2.2
**/
GdkPixmap*
gdk_pixmap_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
return (GdkPixmap*) gdk_xid_table_lookup_for_display (display, anid);
}
#define __GDK_PIXMAP_X11_C__
#include "gdkaliasdef.c"
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