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https://gitlab.gnome.org/GNOME/gtk.git
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eabac453e6
The history before this was kind of twisted as several different approaches were tested, so that was all squashed into this initial commit to hide the uninteresting changes and files that were later removed.
463 lines
14 KiB
C
463 lines
14 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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#include "gdkalias.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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GdkPixmap *
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_gdk_bitmap_create_from_data (GdkDrawable *drawable,
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const gchar *data,
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gint width,
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gint height)
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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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g_return_val_if_fail (data != NULL, NULL);
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g_return_val_if_fail ((width != 0) && (height != 0), NULL);
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g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), 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_bitmap_create_from_data() 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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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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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 = 1;
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draw_impl->screen = GDK_WINDOW_SCREEN (drawable);
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draw_impl->xid = XCreateBitmapFromData (GDK_WINDOW_XDISPLAY (drawable),
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GDK_WINDOW_XID (drawable),
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(char *)data, width, height);
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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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GdkPixmap*
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_gdk_pixmap_create_from_data (GdkDrawable *drawable,
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const gchar *data,
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gint width,
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gint height,
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gint depth,
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const GdkColor *fg,
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const GdkColor *bg)
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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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g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
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g_return_val_if_fail (data != NULL, NULL);
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g_return_val_if_fail (fg != NULL, NULL);
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g_return_val_if_fail (bg != NULL, 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_create_from_data() 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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if (depth == -1)
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depth = gdk_drawable_get_visual (drawable)->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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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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draw_impl->screen = GDK_DRAWABLE_SCREEN (drawable);
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draw_impl->xid = XCreatePixmapFromBitmapData (GDK_WINDOW_XDISPLAY (drawable),
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GDK_WINDOW_XID (drawable),
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(char *)data, width, height,
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fg->pixel, bg->pixel, depth);
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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 #GdkWindow wrapper for the native window,
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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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#define __GDK_PIXMAP_X11_C__
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#include "gdkaliasdef.c"
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