forked from AuroraMiddleware/gtk
dadf966b3b
2000-12-20 Jonathan Blandford <jrb@redhat.com>
* gtk/gtkcellrenderer*.c (::get_property): remove
g_value_init
calls, as they are no longer needed.
* gtk/gtktreemodelsort.c: Fix up the comparison code.
* gtk/gtktreemodel.h: Start work on ::reordered signal.
Need to
figure out how to emit a signal on an interface.
242 lines
7.4 KiB
C
242 lines
7.4 KiB
C
/* gtkcellrendererpixbuf.c
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* Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library 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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#include <stdlib.h>
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#include "gtkcellrendererpixbuf.h"
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#ifndef _
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#define _(x) x
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#endif
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static void gtk_cell_renderer_pixbuf_get_property (GObject *object,
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guint param_id,
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GValue *value,
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GParamSpec *pspec,
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const gchar *trailer);
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static void gtk_cell_renderer_pixbuf_set_property (GObject *object,
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guint param_id,
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const GValue *value,
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GParamSpec *pspec,
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const gchar *trailer);
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static void gtk_cell_renderer_pixbuf_init (GtkCellRendererPixbuf *celltext);
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static void gtk_cell_renderer_pixbuf_class_init (GtkCellRendererPixbufClass *class);
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static void gtk_cell_renderer_pixbuf_get_size (GtkCellRenderer *cell,
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GtkWidget *widget,
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gint *width,
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gint *height);
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static void gtk_cell_renderer_pixbuf_render (GtkCellRenderer *cell,
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GdkWindow *window,
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GtkWidget *widget,
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GdkRectangle *background_area,
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GdkRectangle *cell_area,
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GdkRectangle *expose_area,
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guint flags);
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enum {
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PROP_ZERO,
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PROP_PIXBUF
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};
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GtkType
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gtk_cell_renderer_pixbuf_get_type (void)
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{
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static GtkType cell_pixbuf_type = 0;
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if (!cell_pixbuf_type)
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{
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static const GTypeInfo cell_pixbuf_info =
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{
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sizeof (GtkCellRendererPixbufClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gtk_cell_renderer_pixbuf_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GtkCellRendererPixbuf),
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0, /* n_preallocs */
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(GInstanceInitFunc) gtk_cell_renderer_pixbuf_init,
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};
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cell_pixbuf_type = g_type_register_static (GTK_TYPE_CELL_RENDERER, "GtkCellRendererPixbuf", &cell_pixbuf_info, 0);
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}
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return cell_pixbuf_type;
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}
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static void
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gtk_cell_renderer_pixbuf_init (GtkCellRendererPixbuf *cellpixbuf)
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{
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}
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static void
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gtk_cell_renderer_pixbuf_class_init (GtkCellRendererPixbufClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
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object_class->get_property = gtk_cell_renderer_pixbuf_get_property;
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object_class->set_property = gtk_cell_renderer_pixbuf_set_property;
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cell_class->get_size = gtk_cell_renderer_pixbuf_get_size;
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cell_class->render = gtk_cell_renderer_pixbuf_render;
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g_object_class_install_property (object_class,
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PROP_PIXBUF,
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g_param_spec_object ("pixbuf",
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_("Pixbuf Object"),
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_("The pixbuf to render."),
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GDK_TYPE_PIXBUF,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE));
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}
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static void
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gtk_cell_renderer_pixbuf_get_property (GObject *object,
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guint param_id,
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GValue *value,
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GParamSpec *pspec,
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const gchar *trailer)
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{
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GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
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switch (param_id)
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{
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case PROP_PIXBUF:
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g_value_set_object (value, G_OBJECT (cellpixbuf->pixbuf));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
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break;
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}
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}
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static void
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gtk_cell_renderer_pixbuf_set_property (GObject *object,
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guint param_id,
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const GValue *value,
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GParamSpec *pspec,
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const gchar *trailer)
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{
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GdkPixbuf *pixbuf;
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GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
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switch (param_id)
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{
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case PROP_PIXBUF:
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pixbuf = GDK_PIXBUF (g_value_get_object (value));
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g_object_ref (G_OBJECT (pixbuf));
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if (cellpixbuf->pixbuf)
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g_object_unref (G_OBJECT (cellpixbuf->pixbuf));
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cellpixbuf->pixbuf = pixbuf;
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
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break;
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}
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}
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GtkCellRenderer *
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gtk_cell_renderer_pixbuf_new (void)
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{
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return GTK_CELL_RENDERER (gtk_type_new (gtk_cell_renderer_pixbuf_get_type ()));
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}
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static void
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gtk_cell_renderer_pixbuf_get_size (GtkCellRenderer *cell,
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GtkWidget *widget,
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gint *width,
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gint *height)
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{
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GtkCellRendererPixbuf *cellpixbuf = (GtkCellRendererPixbuf *) cell;
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if (width)
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*width = (gint) GTK_CELL_RENDERER (cellpixbuf)->xpad * 2 +
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(cellpixbuf->pixbuf ? gdk_pixbuf_get_width (cellpixbuf->pixbuf) : 0);
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if (height)
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*height = (gint) GTK_CELL_RENDERER (cellpixbuf)->ypad * 2 +
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(cellpixbuf->pixbuf ? gdk_pixbuf_get_height (cellpixbuf->pixbuf) : 0);
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}
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static void
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gtk_cell_renderer_pixbuf_render (GtkCellRenderer *cell,
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GdkWindow *window,
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GtkWidget *widget,
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GdkRectangle *background_area,
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GdkRectangle *cell_area,
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GdkRectangle *expose_area,
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guint flags)
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{
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GtkCellRendererPixbuf *cellpixbuf = (GtkCellRendererPixbuf *) cell;
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GdkPixbuf *pixbuf;
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guchar *pixels;
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gint rowstride;
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gint real_xoffset;
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gint real_yoffset;
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GdkGC *bg_gc = NULL;
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pixbuf = cellpixbuf->pixbuf;
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if (!pixbuf)
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return;
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if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED)
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bg_gc = widget->style->bg_gc [GTK_STATE_SELECTED];
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else
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bg_gc = widget->style->base_gc [GTK_STATE_NORMAL];
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gdk_gc_set_clip_rectangle (bg_gc, cell_area);
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rowstride = gdk_pixbuf_get_rowstride (pixbuf);
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pixels = gdk_pixbuf_get_pixels (pixbuf);
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real_xoffset = GTK_CELL_RENDERER (cellpixbuf)->xalign * (cell_area->width - gdk_pixbuf_get_width (pixbuf) - (2 * GTK_CELL_RENDERER (cellpixbuf)->xpad));
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real_xoffset = MAX (real_xoffset, 0) + GTK_CELL_RENDERER (cellpixbuf)->xpad;
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real_yoffset = GTK_CELL_RENDERER (cellpixbuf)->yalign * (cell_area->height - gdk_pixbuf_get_height (pixbuf) - (2 * GTK_CELL_RENDERER (cellpixbuf)->ypad));
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real_yoffset = MAX (real_yoffset, 0) + GTK_CELL_RENDERER (cellpixbuf)->ypad;
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if (gdk_pixbuf_get_has_alpha (pixbuf))
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gdk_draw_rgb_32_image (window,
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bg_gc,
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cell_area->x + real_xoffset,
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cell_area->y + real_yoffset,
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gdk_pixbuf_get_width (pixbuf),
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gdk_pixbuf_get_height (pixbuf),
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GDK_RGB_DITHER_NORMAL,
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pixels,
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rowstride);
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else
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gdk_draw_rgb_image (window,
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bg_gc,
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cell_area->x + real_xoffset,
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cell_area->y + real_yoffset,
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gdk_pixbuf_get_width (pixbuf),
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gdk_pixbuf_get_height (pixbuf),
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GDK_RGB_DITHER_NORMAL,
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pixels,
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rowstride);
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gdk_gc_set_clip_rectangle (bg_gc, NULL);
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}
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