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authorElliot Lee <sopwith@src.gnome.org>1997-11-24 22:37:52 +0000
committerElliot Lee <sopwith@src.gnome.org>1997-11-24 22:37:52 +0000
commit9508b76bd2401b6b9e289b5c8ec9fc0e08909283 (patch)
tree53c88a9e5ac09e1a027e56df33bdaa66d670901b /gtk/gtkpixmap.c
downloadgtk+-9508b76bd2401b6b9e289b5c8ec9fc0e08909283.tar.gz
Initial revision
Diffstat (limited to 'gtk/gtkpixmap.c')
-rw-r--r--gtk/gtkpixmap.c176
1 files changed, 176 insertions, 0 deletions
diff --git a/gtk/gtkpixmap.c b/gtk/gtkpixmap.c
new file mode 100644
index 0000000000..ae640f81f1
--- /dev/null
+++ b/gtk/gtkpixmap.c
@@ -0,0 +1,176 @@
+/* GTK - The GIMP Toolkit
+ * 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 Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include "gtkcontainer.h"
+#include "gtkpixmap.h"
+
+
+static void gtk_pixmap_class_init (GtkPixmapClass *klass);
+static void gtk_pixmap_init (GtkPixmap *pixmap);
+static gint gtk_pixmap_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+
+
+guint
+gtk_pixmap_get_type ()
+{
+ static guint pixmap_type = 0;
+
+ if (!pixmap_type)
+ {
+ GtkTypeInfo pixmap_info =
+ {
+ "GtkPixmap",
+ sizeof (GtkPixmap),
+ sizeof (GtkPixmapClass),
+ (GtkClassInitFunc) gtk_pixmap_class_init,
+ (GtkObjectInitFunc) gtk_pixmap_init,
+ (GtkArgFunc) NULL,
+ };
+
+ pixmap_type = gtk_type_unique (gtk_misc_get_type (), &pixmap_info);
+ }
+
+ return pixmap_type;
+}
+
+static void
+gtk_pixmap_class_init (GtkPixmapClass *class)
+{
+ GtkWidgetClass *widget_class;
+
+ widget_class = (GtkWidgetClass*) class;
+
+ widget_class->expose_event = gtk_pixmap_expose;
+}
+
+static void
+gtk_pixmap_init (GtkPixmap *pixmap)
+{
+ GTK_WIDGET_SET_FLAGS (pixmap, GTK_NO_WINDOW);
+
+ pixmap->pixmap = NULL;
+ pixmap->mask = NULL;
+}
+
+GtkWidget*
+gtk_pixmap_new (GdkPixmap *val,
+ GdkBitmap *mask)
+{
+ GtkPixmap *pixmap;
+
+ g_return_val_if_fail (val != NULL, NULL);
+
+ pixmap = gtk_type_new (gtk_pixmap_get_type ());
+
+ gtk_pixmap_set (pixmap, val, mask);
+
+ return GTK_WIDGET (pixmap);
+}
+
+void
+gtk_pixmap_set (GtkPixmap *pixmap,
+ GdkPixmap *val,
+ GdkBitmap *mask)
+{
+ gint width;
+ gint height;
+
+ g_return_if_fail (pixmap != NULL);
+ g_return_if_fail (GTK_IS_PIXMAP (pixmap));
+ g_return_if_fail (val != NULL);
+
+ pixmap->pixmap = val;
+ pixmap->mask = mask;
+
+ if (pixmap->pixmap)
+ {
+ gdk_window_get_size (pixmap->pixmap, &width, &height);
+ GTK_WIDGET (pixmap)->requisition.width = width + GTK_MISC (pixmap)->xpad * 2;
+ GTK_WIDGET (pixmap)->requisition.height = height + GTK_MISC (pixmap)->ypad * 2;
+ }
+ else
+ {
+ GTK_WIDGET (pixmap)->requisition.width = 0;
+ GTK_WIDGET (pixmap)->requisition.height = 0;
+ }
+
+ if (GTK_WIDGET_VISIBLE (pixmap))
+ gtk_widget_queue_resize (GTK_WIDGET (pixmap));
+}
+
+void
+gtk_pixmap_get (GtkPixmap *pixmap,
+ GdkPixmap **val,
+ GdkBitmap **mask)
+{
+ g_return_if_fail (pixmap != NULL);
+ g_return_if_fail (GTK_IS_PIXMAP (pixmap));
+
+ if (val)
+ *val = pixmap->pixmap;
+ if (mask)
+ *mask = pixmap->mask;
+}
+
+
+static gint
+gtk_pixmap_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ GtkPixmap *pixmap;
+ GtkMisc *misc;
+ gint x, y;
+
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (GTK_IS_PIXMAP (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ if (GTK_WIDGET_DRAWABLE (widget))
+ {
+ pixmap = GTK_PIXMAP (widget);
+ misc = GTK_MISC (widget);
+
+ x = (widget->allocation.x * (1.0 - misc->xalign) +
+ (widget->allocation.x + widget->allocation.width
+ - (widget->requisition.width - misc->xpad * 2)) *
+ misc->xalign) + 0.5;
+ y = (widget->allocation.y * (1.0 - misc->yalign) +
+ (widget->allocation.y + widget->allocation.height
+ - (widget->requisition.height - misc->ypad * 2)) *
+ misc->yalign) + 0.5;
+
+ if (pixmap->mask)
+ {
+ gdk_gc_set_clip_mask (widget->style->black_gc, pixmap->mask);
+ gdk_gc_set_clip_origin (widget->style->black_gc, x, y);
+ }
+
+ gdk_draw_pixmap (widget->window,
+ widget->style->black_gc,
+ pixmap->pixmap,
+ 0, 0, x, y, -1, -1);
+
+ if (pixmap->mask)
+ {
+ gdk_gc_set_clip_mask (widget->style->black_gc, NULL);
+ gdk_gc_set_clip_origin (widget->style->black_gc, 0, 0);
+ }
+ }
+
+ return FALSE;
+}