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362 lines
10 KiB
C
362 lines
10 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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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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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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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/* Needed for SEEK_END in SunOS */
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#include <unistd.h>
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#include <X11/Xlib.h>
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#include "gdkx.h"
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#include "gdkpixmap-x11.h"
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#include "gdkprivate-x11.h"
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#include "gdkscreen-x11.h"
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#include "gdkdisplay-x11.h"
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#include <gdk/gdkinternals.h>
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typedef struct
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{
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gchar *color_string;
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GdkColor color;
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gint transparent;
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} _GdkPixmapColor;
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typedef struct
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{
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guint ncolors;
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GdkColormap *colormap;
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gulong pixels[1];
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} _GdkPixmapInfo;
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static void gdk_pixmap_impl_x11_get_size (GdkDrawable *drawable,
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gint *width,
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gint *height);
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static void gdk_pixmap_impl_x11_dispose (GObject *object);
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static void gdk_pixmap_impl_x11_finalize (GObject *object);
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G_DEFINE_TYPE (GdkPixmapImplX11, gdk_pixmap_impl_x11, GDK_TYPE_DRAWABLE_IMPL_X11)
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GType
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_gdk_pixmap_impl_get_type (void)
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{
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return gdk_pixmap_impl_x11_get_type ();
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}
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static void
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gdk_pixmap_impl_x11_init (GdkPixmapImplX11 *impl)
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{
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impl->width = 1;
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impl->height = 1;
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}
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static void
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gdk_pixmap_impl_x11_class_init (GdkPixmapImplX11Class *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
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object_class->dispose = gdk_pixmap_impl_x11_dispose;
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object_class->finalize = gdk_pixmap_impl_x11_finalize;
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drawable_class->get_size = gdk_pixmap_impl_x11_get_size;
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}
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static void
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gdk_pixmap_impl_x11_dispose (GObject *object)
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{
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GdkPixmapImplX11 *impl = GDK_PIXMAP_IMPL_X11 (object);
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GdkPixmap *wrapper = GDK_PIXMAP (GDK_DRAWABLE_IMPL_X11 (impl)->wrapper);
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GdkDisplay *display = GDK_PIXMAP_DISPLAY (wrapper);
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if (!display->closed)
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{
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if (!impl->is_foreign)
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XFreePixmap (GDK_DISPLAY_XDISPLAY (display), GDK_PIXMAP_XID (wrapper));
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}
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_gdk_xid_table_remove (display, GDK_PIXMAP_XID (wrapper));
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G_OBJECT_CLASS (gdk_pixmap_impl_x11_parent_class)->dispose (object);
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}
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static void
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gdk_pixmap_impl_x11_finalize (GObject *object)
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{
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GdkPixmapImplX11 *impl = GDK_PIXMAP_IMPL_X11 (object);
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GdkPixmap *wrapper = GDK_PIXMAP (GDK_DRAWABLE_IMPL_X11 (impl)->wrapper);
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GdkDisplay *display = GDK_PIXMAP_DISPLAY (wrapper);
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if (!display->closed)
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{
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GdkDrawableImplX11 *draw_impl = GDK_DRAWABLE_IMPL_X11 (impl);
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_gdk_x11_drawable_finish (GDK_DRAWABLE (draw_impl));
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}
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G_OBJECT_CLASS (gdk_pixmap_impl_x11_parent_class)->finalize (object);
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}
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static void
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gdk_pixmap_impl_x11_get_size (GdkDrawable *drawable,
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gint *width,
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gint *height)
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{
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if (width)
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*width = GDK_PIXMAP_IMPL_X11 (drawable)->width;
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if (height)
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*height = GDK_PIXMAP_IMPL_X11 (drawable)->height;
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}
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GdkPixmap*
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_gdk_pixmap_new (GdkDrawable *drawable,
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gint width,
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gint height,
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gint depth)
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{
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GdkPixmap *pixmap;
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GdkDrawableImplX11 *draw_impl;
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GdkPixmapImplX11 *pix_impl;
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GdkColormap *cmap;
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gint window_depth;
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g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
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g_return_val_if_fail ((drawable != NULL) || (depth != -1), NULL);
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g_return_val_if_fail ((width != 0) && (height != 0), NULL);
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if (!drawable)
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{
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GDK_NOTE (MULTIHEAD, g_message ("need to specify the screen parent window "
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"for gdk_pixmap_new() to be multihead safe"));
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drawable = gdk_screen_get_root_window (gdk_screen_get_default ());
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}
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if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
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return NULL;
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window_depth = gdk_drawable_get_depth (GDK_DRAWABLE (drawable));
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if (depth == -1)
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depth = window_depth;
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pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
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draw_impl = GDK_DRAWABLE_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
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pix_impl = GDK_PIXMAP_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
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draw_impl->wrapper = GDK_DRAWABLE (pixmap);
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draw_impl->screen = GDK_WINDOW_SCREEN (drawable);
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draw_impl->xid = XCreatePixmap (GDK_PIXMAP_XDISPLAY (pixmap),
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GDK_WINDOW_XID (drawable),
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width, height, depth);
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pix_impl->is_foreign = FALSE;
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pix_impl->width = width;
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pix_impl->height = height;
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GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
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if (depth == window_depth)
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{
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cmap = gdk_drawable_get_colormap (drawable);
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if (cmap)
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gdk_drawable_set_colormap (pixmap, cmap);
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}
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_gdk_xid_table_insert (GDK_WINDOW_DISPLAY (drawable),
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&GDK_PIXMAP_XID (pixmap), pixmap);
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return pixmap;
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}
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/**
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* gdk_pixmap_foreign_new_for_display:
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* @display: The #GdkDisplay where @anid is located.
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* @anid: a native pixmap handle.
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*
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* Wraps a native pixmap in a #GdkPixmap.
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* This may fail if the pixmap has been destroyed.
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*
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* For example in the X backend, a native pixmap handle is an Xlib
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* <type>XID</type>.
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*
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* Return value: the newly-created #GdkPixmap wrapper for the
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* native pixmap or %NULL if the pixmap has been destroyed.
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*
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* Since: 2.2
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**/
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GdkPixmap *
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gdk_pixmap_foreign_new_for_display (GdkDisplay *display,
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GdkNativeWindow anid)
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{
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Pixmap xpixmap;
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Window root_return;
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GdkScreen *screen;
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int x_ret, y_ret;
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unsigned int w_ret, h_ret, bw_ret, depth_ret;
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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/* check to make sure we were passed something at
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* least a little sane */
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g_return_val_if_fail ((anid != 0), NULL);
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/* set the pixmap to the passed in value */
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xpixmap = anid;
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/* get information about the Pixmap to fill in the structure for
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the gdk window */
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if (!XGetGeometry (GDK_DISPLAY_XDISPLAY (display),
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xpixmap, &root_return,
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&x_ret, &y_ret, &w_ret, &h_ret, &bw_ret, &depth_ret))
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return NULL;
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screen = _gdk_x11_display_screen_for_xrootwin (display, root_return);
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return gdk_pixmap_foreign_new_for_screen (screen, anid, w_ret, h_ret, depth_ret);
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}
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/**
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* gdk_pixmap_foreign_new_for_screen:
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* @screen: a #GdkScreen
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* @anid: a native pixmap handle
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* @width: the width of the pixmap identified by @anid
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* @height: the height of the pixmap identified by @anid
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* @depth: the depth of the pixmap identified by @anid
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*
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* Wraps a native pixmap in a #GdkPixmap.
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* This may fail if the pixmap has been destroyed.
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*
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* For example in the X backend, a native pixmap handle is an Xlib
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* <type>XID</type>.
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*
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* This function is an alternative to gdk_pixmap_foreign_new_for_display()
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* for cases where the dimensions of the pixmap are known. For the X
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* backend, this avoids a roundtrip to the server.
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*
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* Return value: the newly-created #GdkPixmap wrapper for the
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* native pixmap or %NULL if the pixmap has been destroyed.
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*
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* Since: 2.10
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*/
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GdkPixmap *
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gdk_pixmap_foreign_new_for_screen (GdkScreen *screen,
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GdkNativeWindow anid,
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gint width,
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gint height,
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gint depth)
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{
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Pixmap xpixmap;
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GdkPixmap *pixmap;
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GdkDrawableImplX11 *draw_impl;
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GdkPixmapImplX11 *pix_impl;
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g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
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g_return_val_if_fail (anid != 0, NULL);
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g_return_val_if_fail (width > 0, NULL);
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g_return_val_if_fail (height > 0, NULL);
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g_return_val_if_fail (depth > 0, NULL);
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pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
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draw_impl = GDK_DRAWABLE_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
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pix_impl = GDK_PIXMAP_IMPL_X11 (GDK_PIXMAP_OBJECT (pixmap)->impl);
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draw_impl->wrapper = GDK_DRAWABLE (pixmap);
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xpixmap = anid;
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draw_impl->screen = screen;
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draw_impl->xid = xpixmap;
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pix_impl->is_foreign = TRUE;
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pix_impl->width = width;
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pix_impl->height = height;
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GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
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_gdk_xid_table_insert (gdk_screen_get_display (screen),
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&GDK_PIXMAP_XID (pixmap), pixmap);
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return pixmap;
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}
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/**
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* gdk_pixmap_foreign_new:
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* @anid: a native pixmap handle.
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*
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* Wraps a native window for the default display in a #GdkPixmap.
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* This may fail if the pixmap has been destroyed.
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*
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* For example in the X backend, a native pixmap handle is an Xlib
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* <type>XID</type>.
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*
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* Return value: the newly-created #GdkPixmap wrapper for the
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* native pixmap or %NULL if the pixmap has been destroyed.
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**/
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GdkPixmap*
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gdk_pixmap_foreign_new (GdkNativeWindow anid)
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{
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return gdk_pixmap_foreign_new_for_display (gdk_display_get_default (), anid);
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}
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/**
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* gdk_pixmap_lookup:
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* @anid: a native pixmap handle.
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*
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* Looks up the #GdkPixmap that wraps the given native pixmap handle.
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*
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* For example in the X backend, a native pixmap handle is an Xlib
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* <type>XID</type>.
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*
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* Return value: the #GdkPixmap wrapper for the native pixmap,
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* or %NULL if there is none.
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**/
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GdkPixmap*
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gdk_pixmap_lookup (GdkNativeWindow anid)
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{
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return (GdkPixmap*) gdk_xid_table_lookup_for_display (gdk_display_get_default (), anid);
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}
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/**
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* gdk_pixmap_lookup_for_display:
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* @display: the #GdkDisplay associated with @anid
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* @anid: a native pixmap handle.
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*
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* Looks up the #GdkPixmap that wraps the given native pixmap handle.
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*
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* For example in the X backend, a native pixmap handle is an Xlib
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* <type>XID</type>.
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*
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* Return value: the #GdkPixmap wrapper for the native pixmap,
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* or %NULL if there is none.
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*
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* Since: 2.2
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**/
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GdkPixmap*
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gdk_pixmap_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid)
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{
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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return (GdkPixmap*) gdk_xid_table_lookup_for_display (display, anid);
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}
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