forked from AuroraMiddleware/gtk
872 lines
26 KiB
C
872 lines
26 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 "config.h"
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#include <stdlib.h>
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#include "gtkcellrendererpixbuf.h"
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#include "gtkiconfactory.h"
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#include "gtkicontheme.h"
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#include "gtkintl.h"
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#include "gtkprivate.h"
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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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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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static void gtk_cell_renderer_pixbuf_finalize (GObject *object);
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static void gtk_cell_renderer_pixbuf_create_stock_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
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GtkWidget *widget);
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static void gtk_cell_renderer_pixbuf_get_size (GtkCellRenderer *cell,
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GtkWidget *widget,
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GdkRectangle *rectangle,
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gint *x_offset,
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gint *y_offset,
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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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GdkDrawable *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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GtkCellRendererState flags);
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enum {
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PROP_0,
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PROP_PIXBUF,
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PROP_PIXBUF_EXPANDER_OPEN,
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PROP_PIXBUF_EXPANDER_CLOSED,
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PROP_STOCK_ID,
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PROP_STOCK_SIZE,
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PROP_STOCK_DETAIL,
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PROP_FOLLOW_STATE,
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PROP_ICON_NAME,
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PROP_GICON
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};
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struct _GtkCellRendererPixbufPriv
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{
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GtkIconSize stock_size;
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GdkPixbuf *pixbuf;
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GdkPixbuf *pixbuf_expander_open;
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GdkPixbuf *pixbuf_expander_closed;
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GIcon *gicon;
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gboolean follow_state;
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gchar *stock_id;
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gchar *stock_detail;
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gchar *icon_name;
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};
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G_DEFINE_TYPE (GtkCellRendererPixbuf, gtk_cell_renderer_pixbuf, GTK_TYPE_CELL_RENDERER)
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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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GtkCellRendererPixbufPriv *priv;
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cellpixbuf->priv = G_TYPE_INSTANCE_GET_PRIVATE (cellpixbuf,
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GTK_TYPE_CELL_RENDERER_PIXBUF,
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GtkCellRendererPixbufPriv);
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priv = cellpixbuf->priv;
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priv->stock_size = GTK_ICON_SIZE_MENU;
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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->finalize = gtk_cell_renderer_pixbuf_finalize;
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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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P_("Pixbuf Object"),
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P_("The pixbuf to render"),
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GDK_TYPE_PIXBUF,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_PIXBUF_EXPANDER_OPEN,
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g_param_spec_object ("pixbuf-expander-open",
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P_("Pixbuf Expander Open"),
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P_("Pixbuf for open expander"),
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GDK_TYPE_PIXBUF,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_PIXBUF_EXPANDER_CLOSED,
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g_param_spec_object ("pixbuf-expander-closed",
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P_("Pixbuf Expander Closed"),
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P_("Pixbuf for closed expander"),
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GDK_TYPE_PIXBUF,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_STOCK_ID,
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g_param_spec_string ("stock-id",
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P_("Stock ID"),
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P_("The stock ID of the stock icon to render"),
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NULL,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_STOCK_SIZE,
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g_param_spec_uint ("stock-size",
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P_("Size"),
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P_("The GtkIconSize value that specifies the size of the rendered icon"),
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0,
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G_MAXUINT,
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GTK_ICON_SIZE_MENU,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_STOCK_DETAIL,
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g_param_spec_string ("stock-detail",
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P_("Detail"),
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P_("Render detail to pass to the theme engine"),
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NULL,
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GTK_PARAM_READWRITE));
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/**
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* GtkCellRendererPixbuf:icon-name:
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*
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* The name of the themed icon to display.
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* This property only has an effect if not overridden by "stock_id"
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* or "pixbuf" properties.
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*
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* Since: 2.8
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*/
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g_object_class_install_property (object_class,
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PROP_ICON_NAME,
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g_param_spec_string ("icon-name",
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P_("Icon Name"),
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P_("The name of the icon from the icon theme"),
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NULL,
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GTK_PARAM_READWRITE));
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/**
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* GtkCellRendererPixbuf:follow-state:
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*
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* Specifies whether the rendered pixbuf should be colorized
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* according to the #GtkCellRendererState.
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*
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* Since: 2.8
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*/
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g_object_class_install_property (object_class,
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PROP_FOLLOW_STATE,
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g_param_spec_boolean ("follow-state",
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P_("Follow State"),
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P_("Whether the rendered pixbuf should be "
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"colorized according to the state"),
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FALSE,
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GTK_PARAM_READWRITE));
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/**
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* GtkCellRendererPixbuf:gicon:
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*
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* The GIcon representing the icon to display.
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* If the icon theme is changed, the image will be updated
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* automatically.
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*
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* Since: 2.14
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*/
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g_object_class_install_property (object_class,
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PROP_GICON,
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g_param_spec_object ("gicon",
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P_("Icon"),
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P_("The GIcon being displayed"),
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G_TYPE_ICON,
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GTK_PARAM_READWRITE));
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g_type_class_add_private (object_class, sizeof (GtkCellRendererPixbufPriv));
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}
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static void
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gtk_cell_renderer_pixbuf_finalize (GObject *object)
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{
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GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
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GtkCellRendererPixbufPriv *priv = cellpixbuf->priv;
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if (priv->pixbuf)
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g_object_unref (priv->pixbuf);
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if (priv->pixbuf_expander_open)
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g_object_unref (priv->pixbuf_expander_open);
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if (priv->pixbuf_expander_closed)
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g_object_unref (priv->pixbuf_expander_closed);
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g_free (priv->stock_id);
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g_free (priv->stock_detail);
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g_free (priv->icon_name);
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if (priv->gicon)
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g_object_unref (priv->gicon);
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G_OBJECT_CLASS (gtk_cell_renderer_pixbuf_parent_class)->finalize (object);
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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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{
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GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
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GtkCellRendererPixbufPriv *priv = cellpixbuf->priv;
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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, priv->pixbuf);
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break;
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case PROP_PIXBUF_EXPANDER_OPEN:
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g_value_set_object (value, priv->pixbuf_expander_open);
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break;
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case PROP_PIXBUF_EXPANDER_CLOSED:
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g_value_set_object (value, priv->pixbuf_expander_closed);
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break;
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case PROP_STOCK_ID:
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g_value_set_string (value, priv->stock_id);
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break;
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case PROP_STOCK_SIZE:
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g_value_set_uint (value, priv->stock_size);
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break;
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case PROP_STOCK_DETAIL:
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g_value_set_string (value, priv->stock_detail);
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break;
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case PROP_FOLLOW_STATE:
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g_value_set_boolean (value, priv->follow_state);
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break;
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case PROP_ICON_NAME:
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g_value_set_string (value, priv->icon_name);
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break;
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case PROP_GICON:
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g_value_set_object (value, priv->gicon);
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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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{
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GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
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GtkCellRendererPixbufPriv *priv = cellpixbuf->priv;
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switch (param_id)
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{
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case PROP_PIXBUF:
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if (priv->pixbuf)
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g_object_unref (priv->pixbuf);
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priv->pixbuf = (GdkPixbuf*) g_value_dup_object (value);
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if (priv->pixbuf)
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{
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if (priv->stock_id)
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{
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g_free (priv->stock_id);
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priv->stock_id = NULL;
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g_object_notify (object, "stock-id");
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}
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if (priv->icon_name)
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{
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g_free (priv->icon_name);
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priv->icon_name = NULL;
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g_object_notify (object, "icon-name");
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}
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if (priv->gicon)
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{
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g_object_unref (priv->gicon);
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priv->gicon = NULL;
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g_object_notify (object, "gicon");
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}
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}
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break;
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case PROP_PIXBUF_EXPANDER_OPEN:
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if (priv->pixbuf_expander_open)
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g_object_unref (priv->pixbuf_expander_open);
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priv->pixbuf_expander_open = (GdkPixbuf*) g_value_dup_object (value);
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break;
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case PROP_PIXBUF_EXPANDER_CLOSED:
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if (priv->pixbuf_expander_closed)
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g_object_unref (priv->pixbuf_expander_closed);
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priv->pixbuf_expander_closed = (GdkPixbuf*) g_value_dup_object (value);
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break;
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case PROP_STOCK_ID:
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if (priv->stock_id)
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{
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if (priv->pixbuf)
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{
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g_object_unref (priv->pixbuf);
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priv->pixbuf = NULL;
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g_object_notify (object, "pixbuf");
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}
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g_free (priv->stock_id);
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}
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priv->stock_id = g_value_dup_string (value);
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if (priv->stock_id)
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{
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if (priv->pixbuf)
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{
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g_object_unref (priv->pixbuf);
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priv->pixbuf = NULL;
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g_object_notify (object, "pixbuf");
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}
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if (priv->icon_name)
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{
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g_free (priv->icon_name);
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priv->icon_name = NULL;
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g_object_notify (object, "icon-name");
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}
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if (priv->gicon)
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{
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g_object_unref (priv->gicon);
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priv->gicon = NULL;
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g_object_notify (object, "gicon");
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}
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}
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break;
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case PROP_STOCK_SIZE:
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priv->stock_size = g_value_get_uint (value);
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break;
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case PROP_STOCK_DETAIL:
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g_free (priv->stock_detail);
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priv->stock_detail = g_value_dup_string (value);
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break;
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case PROP_ICON_NAME:
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if (priv->icon_name)
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{
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if (priv->pixbuf)
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{
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g_object_unref (priv->pixbuf);
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priv->pixbuf = NULL;
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g_object_notify (object, "pixbuf");
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}
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g_free (priv->icon_name);
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}
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priv->icon_name = g_value_dup_string (value);
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if (priv->icon_name)
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{
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if (priv->pixbuf)
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{
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g_object_unref (priv->pixbuf);
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priv->pixbuf = NULL;
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g_object_notify (object, "pixbuf");
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}
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if (priv->stock_id)
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{
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g_free (priv->stock_id);
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priv->stock_id = NULL;
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g_object_notify (object, "stock-id");
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}
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if (priv->gicon)
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{
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g_object_unref (priv->gicon);
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priv->gicon = NULL;
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g_object_notify (object, "gicon");
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}
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}
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break;
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case PROP_FOLLOW_STATE:
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priv->follow_state = g_value_get_boolean (value);
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break;
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case PROP_GICON:
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if (priv->gicon)
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{
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if (priv->pixbuf)
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{
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g_object_unref (priv->pixbuf);
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priv->pixbuf = NULL;
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g_object_notify (object, "pixbuf");
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}
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g_object_unref (priv->gicon);
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}
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priv->gicon = (GIcon *) g_value_dup_object (value);
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if (priv->gicon)
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{
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if (priv->pixbuf)
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{
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g_object_unref (priv->pixbuf);
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priv->pixbuf = NULL;
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g_object_notify (object, "pixbuf");
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}
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if (priv->stock_id)
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{
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g_free (priv->stock_id);
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priv->stock_id = NULL;
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g_object_notify (object, "stock-id");
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}
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if (priv->icon_name)
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{
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g_free (priv->icon_name);
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priv->icon_name = NULL;
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g_object_notify (object, "icon-name");
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}
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}
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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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/**
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* gtk_cell_renderer_pixbuf_new:
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*
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* Creates a new #GtkCellRendererPixbuf. Adjust rendering
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* parameters using object properties. Object properties can be set
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* globally (with g_object_set()). Also, with #GtkTreeViewColumn, you
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* can bind a property to a value in a #GtkTreeModel. For example, you
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* can bind the "pixbuf" property on the cell renderer to a pixbuf value
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* in the model, thus rendering a different image in each row of the
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* #GtkTreeView.
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*
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* Return value: the new cell renderer
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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 g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF, NULL);
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}
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static void
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gtk_cell_renderer_pixbuf_create_stock_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
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GtkWidget *widget)
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{
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GtkCellRendererPixbufPriv *priv = cellpixbuf->priv;
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if (priv->pixbuf)
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g_object_unref (priv->pixbuf);
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priv->pixbuf = gtk_widget_render_icon (widget,
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priv->stock_id,
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priv->stock_size,
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priv->stock_detail);
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g_object_notify (G_OBJECT (cellpixbuf), "pixbuf");
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}
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static void
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gtk_cell_renderer_pixbuf_create_themed_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
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GtkWidget *widget)
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{
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GtkCellRendererPixbufPriv *priv = cellpixbuf->priv;
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GdkScreen *screen;
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GtkIconTheme *icon_theme;
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GtkSettings *settings;
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gint width, height;
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GtkIconInfo *info;
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if (priv->pixbuf)
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{
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g_object_unref (priv->pixbuf);
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priv->pixbuf = NULL;
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}
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screen = gtk_widget_get_screen (GTK_WIDGET (widget));
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icon_theme = gtk_icon_theme_get_for_screen (screen);
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settings = gtk_settings_get_for_screen (screen);
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if (!gtk_icon_size_lookup_for_settings (settings,
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priv->stock_size,
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&width, &height))
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{
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g_warning ("Invalid icon size %u\n", priv->stock_size);
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width = height = 24;
|
|
}
|
|
|
|
if (priv->icon_name)
|
|
info = gtk_icon_theme_lookup_icon (icon_theme,
|
|
priv->icon_name,
|
|
MIN (width, height),
|
|
GTK_ICON_LOOKUP_USE_BUILTIN);
|
|
else if (priv->gicon)
|
|
info = gtk_icon_theme_lookup_by_gicon (icon_theme,
|
|
priv->gicon,
|
|
MIN (width, height),
|
|
GTK_ICON_LOOKUP_USE_BUILTIN);
|
|
else
|
|
info = NULL;
|
|
|
|
if (info)
|
|
{
|
|
GtkStyle *style;
|
|
|
|
style = gtk_widget_get_style (GTK_WIDGET (widget));
|
|
priv->pixbuf = gtk_icon_info_load_symbolic_for_style (info,
|
|
style,
|
|
GTK_STATE_NORMAL,
|
|
NULL,
|
|
NULL);
|
|
gtk_icon_info_free (info);
|
|
}
|
|
|
|
g_object_notify (G_OBJECT (cellpixbuf), "pixbuf");
|
|
}
|
|
|
|
static GdkPixbuf *
|
|
create_symbolic_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
|
|
GtkWidget *widget,
|
|
GtkStateType state)
|
|
{
|
|
GtkCellRendererPixbufPriv *priv = cellpixbuf->priv;
|
|
GdkScreen *screen;
|
|
GtkIconTheme *icon_theme;
|
|
GtkSettings *settings;
|
|
gint width, height;
|
|
GtkIconInfo *info;
|
|
GdkPixbuf *pixbuf;
|
|
|
|
/* Not a named symbolic icon? */
|
|
if (priv->icon_name) {
|
|
if (!g_str_has_suffix (priv->icon_name, "-symbolic"))
|
|
return NULL;
|
|
} else if (priv->gicon) {
|
|
const gchar * const *names;
|
|
if (!G_IS_THEMED_ICON (priv->gicon))
|
|
return NULL;
|
|
names = g_themed_icon_get_names (G_THEMED_ICON (priv->gicon));
|
|
if (names == NULL || !g_str_has_suffix (names[0], "-symbolic"))
|
|
return NULL;
|
|
} else {
|
|
return NULL;
|
|
}
|
|
|
|
screen = gtk_widget_get_screen (GTK_WIDGET (widget));
|
|
icon_theme = gtk_icon_theme_get_for_screen (screen);
|
|
settings = gtk_settings_get_for_screen (screen);
|
|
|
|
if (!gtk_icon_size_lookup_for_settings (settings,
|
|
priv->stock_size,
|
|
&width, &height))
|
|
{
|
|
g_warning ("Invalid icon size %u\n", priv->stock_size);
|
|
width = height = 24;
|
|
}
|
|
|
|
|
|
if (priv->icon_name)
|
|
info = gtk_icon_theme_lookup_icon (icon_theme,
|
|
priv->icon_name,
|
|
MIN (width, height),
|
|
GTK_ICON_LOOKUP_USE_BUILTIN);
|
|
else if (priv->gicon)
|
|
info = gtk_icon_theme_lookup_by_gicon (icon_theme,
|
|
priv->gicon,
|
|
MIN (width, height),
|
|
GTK_ICON_LOOKUP_USE_BUILTIN);
|
|
else
|
|
return NULL;
|
|
|
|
if (info)
|
|
{
|
|
GtkStyle *style;
|
|
|
|
style = gtk_widget_get_style (GTK_WIDGET (widget));
|
|
pixbuf = gtk_icon_info_load_symbolic_for_style (info,
|
|
style, state,
|
|
NULL, NULL);
|
|
gtk_icon_info_free (info);
|
|
return pixbuf;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static GdkPixbuf *
|
|
create_colorized_pixbuf (GdkPixbuf *src,
|
|
GdkColor *new_color)
|
|
{
|
|
gint i, j;
|
|
gint width, height, has_alpha, src_row_stride, dst_row_stride;
|
|
gint red_value, green_value, blue_value;
|
|
guchar *target_pixels;
|
|
guchar *original_pixels;
|
|
guchar *pixsrc;
|
|
guchar *pixdest;
|
|
GdkPixbuf *dest;
|
|
|
|
red_value = new_color->red / 255.0;
|
|
green_value = new_color->green / 255.0;
|
|
blue_value = new_color->blue / 255.0;
|
|
|
|
dest = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (src),
|
|
gdk_pixbuf_get_has_alpha (src),
|
|
gdk_pixbuf_get_bits_per_sample (src),
|
|
gdk_pixbuf_get_width (src),
|
|
gdk_pixbuf_get_height (src));
|
|
|
|
has_alpha = gdk_pixbuf_get_has_alpha (src);
|
|
width = gdk_pixbuf_get_width (src);
|
|
height = gdk_pixbuf_get_height (src);
|
|
src_row_stride = gdk_pixbuf_get_rowstride (src);
|
|
dst_row_stride = gdk_pixbuf_get_rowstride (dest);
|
|
target_pixels = gdk_pixbuf_get_pixels (dest);
|
|
original_pixels = gdk_pixbuf_get_pixels (src);
|
|
|
|
for (i = 0; i < height; i++) {
|
|
pixdest = target_pixels + i*dst_row_stride;
|
|
pixsrc = original_pixels + i*src_row_stride;
|
|
for (j = 0; j < width; j++) {
|
|
*pixdest++ = (*pixsrc++ * red_value) >> 8;
|
|
*pixdest++ = (*pixsrc++ * green_value) >> 8;
|
|
*pixdest++ = (*pixsrc++ * blue_value) >> 8;
|
|
if (has_alpha) {
|
|
*pixdest++ = *pixsrc++;
|
|
}
|
|
}
|
|
}
|
|
return dest;
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_cell_renderer_pixbuf_get_size (GtkCellRenderer *cell,
|
|
GtkWidget *widget,
|
|
GdkRectangle *cell_area,
|
|
gint *x_offset,
|
|
gint *y_offset,
|
|
gint *width,
|
|
gint *height)
|
|
{
|
|
GtkCellRendererPixbuf *cellpixbuf = (GtkCellRendererPixbuf *) cell;
|
|
GtkCellRendererPixbufPriv *priv = cellpixbuf->priv;
|
|
gint pixbuf_width = 0;
|
|
gint pixbuf_height = 0;
|
|
gint calc_width;
|
|
gint calc_height;
|
|
gint xpad, ypad;
|
|
|
|
if (!priv->pixbuf)
|
|
{
|
|
if (priv->stock_id)
|
|
gtk_cell_renderer_pixbuf_create_stock_pixbuf (cellpixbuf, widget);
|
|
else if (priv->icon_name || priv->gicon)
|
|
gtk_cell_renderer_pixbuf_create_themed_pixbuf (cellpixbuf, widget);
|
|
}
|
|
|
|
if (priv->pixbuf)
|
|
{
|
|
pixbuf_width = gdk_pixbuf_get_width (priv->pixbuf);
|
|
pixbuf_height = gdk_pixbuf_get_height (priv->pixbuf);
|
|
}
|
|
if (priv->pixbuf_expander_open)
|
|
{
|
|
pixbuf_width = MAX (pixbuf_width, gdk_pixbuf_get_width (priv->pixbuf_expander_open));
|
|
pixbuf_height = MAX (pixbuf_height, gdk_pixbuf_get_height (priv->pixbuf_expander_open));
|
|
}
|
|
if (priv->pixbuf_expander_closed)
|
|
{
|
|
pixbuf_width = MAX (pixbuf_width, gdk_pixbuf_get_width (priv->pixbuf_expander_closed));
|
|
pixbuf_height = MAX (pixbuf_height, gdk_pixbuf_get_height (priv->pixbuf_expander_closed));
|
|
}
|
|
|
|
gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
|
|
calc_width = (gint) xpad * 2 + pixbuf_width;
|
|
calc_height = (gint) ypad * 2 + pixbuf_height;
|
|
|
|
if (cell_area && pixbuf_width > 0 && pixbuf_height > 0)
|
|
{
|
|
gfloat xalign, yalign;
|
|
|
|
gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
|
|
if (x_offset)
|
|
{
|
|
*x_offset = (((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) ?
|
|
(1.0 - xalign) : xalign) *
|
|
(cell_area->width - calc_width));
|
|
*x_offset = MAX (*x_offset, 0);
|
|
}
|
|
if (y_offset)
|
|
{
|
|
*y_offset = (yalign *
|
|
(cell_area->height - calc_height));
|
|
*y_offset = MAX (*y_offset, 0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (x_offset) *x_offset = 0;
|
|
if (y_offset) *y_offset = 0;
|
|
}
|
|
|
|
if (width)
|
|
*width = calc_width;
|
|
|
|
if (height)
|
|
*height = calc_height;
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_pixbuf_render (GtkCellRenderer *cell,
|
|
GdkWindow *window,
|
|
GtkWidget *widget,
|
|
GdkRectangle *background_area,
|
|
GdkRectangle *cell_area,
|
|
GdkRectangle *expose_area,
|
|
GtkCellRendererState flags)
|
|
|
|
{
|
|
GtkCellRendererPixbuf *cellpixbuf = (GtkCellRendererPixbuf *) cell;
|
|
GtkCellRendererPixbufPriv *priv = cellpixbuf->priv;
|
|
GdkPixbuf *pixbuf;
|
|
GdkPixbuf *invisible = NULL;
|
|
GdkPixbuf *colorized = NULL;
|
|
GdkPixbuf *symbolic = NULL;
|
|
GdkRectangle pix_rect;
|
|
GdkRectangle draw_rect;
|
|
cairo_t *cr;
|
|
gboolean is_expander;
|
|
gint xpad, ypad;
|
|
|
|
gtk_cell_renderer_pixbuf_get_size (cell, widget, cell_area,
|
|
&pix_rect.x,
|
|
&pix_rect.y,
|
|
&pix_rect.width,
|
|
&pix_rect.height);
|
|
|
|
gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
|
|
pix_rect.x += cell_area->x + xpad;
|
|
pix_rect.y += cell_area->y + ypad;
|
|
pix_rect.width -= xpad * 2;
|
|
pix_rect.height -= ypad * 2;
|
|
|
|
if (!gdk_rectangle_intersect (cell_area, &pix_rect, &draw_rect) ||
|
|
!gdk_rectangle_intersect (expose_area, &draw_rect, &draw_rect))
|
|
return;
|
|
|
|
pixbuf = priv->pixbuf;
|
|
|
|
g_object_get (cell, "is-expander", &is_expander, NULL);
|
|
if (is_expander)
|
|
{
|
|
gboolean is_expanded;
|
|
|
|
g_object_get (cell, "is-expanded", &is_expanded, NULL);
|
|
|
|
if (is_expanded &&
|
|
priv->pixbuf_expander_open != NULL)
|
|
pixbuf = priv->pixbuf_expander_open;
|
|
else if (!is_expanded &&
|
|
priv->pixbuf_expander_closed != NULL)
|
|
pixbuf = priv->pixbuf_expander_closed;
|
|
}
|
|
|
|
if (!pixbuf)
|
|
return;
|
|
|
|
if (gtk_widget_get_state (widget) == GTK_STATE_INSENSITIVE ||
|
|
!gtk_cell_renderer_get_sensitive (cell))
|
|
{
|
|
GtkIconSource *source;
|
|
|
|
source = gtk_icon_source_new ();
|
|
gtk_icon_source_set_pixbuf (source, pixbuf);
|
|
/* The size here is arbitrary; since size isn't
|
|
* wildcarded in the source, it isn't supposed to be
|
|
* scaled by the engine function
|
|
*/
|
|
gtk_icon_source_set_size (source, GTK_ICON_SIZE_SMALL_TOOLBAR);
|
|
gtk_icon_source_set_size_wildcarded (source, FALSE);
|
|
|
|
invisible = gtk_style_render_icon (widget->style,
|
|
source,
|
|
gtk_widget_get_direction (widget),
|
|
GTK_STATE_INSENSITIVE,
|
|
/* arbitrary */
|
|
(GtkIconSize)-1,
|
|
widget,
|
|
"gtkcellrendererpixbuf");
|
|
|
|
gtk_icon_source_free (source);
|
|
|
|
pixbuf = invisible;
|
|
}
|
|
else if (priv->follow_state &&
|
|
(flags & (GTK_CELL_RENDERER_SELECTED|GTK_CELL_RENDERER_PRELIT)) != 0)
|
|
{
|
|
GtkStateType state;
|
|
|
|
if ((flags & GTK_CELL_RENDERER_SELECTED) != 0)
|
|
{
|
|
if (gtk_widget_has_focus (widget))
|
|
state = GTK_STATE_SELECTED;
|
|
else
|
|
state = GTK_STATE_ACTIVE;
|
|
}
|
|
else
|
|
state = GTK_STATE_PRELIGHT;
|
|
|
|
symbolic = create_symbolic_pixbuf (cellpixbuf, widget, state);
|
|
if (!symbolic) {
|
|
colorized = create_colorized_pixbuf (pixbuf,
|
|
&widget->style->base[state]);
|
|
|
|
pixbuf = colorized;
|
|
} else {
|
|
pixbuf = symbolic;
|
|
}
|
|
}
|
|
|
|
cr = gdk_cairo_create (window);
|
|
|
|
gdk_cairo_set_source_pixbuf (cr, pixbuf, pix_rect.x, pix_rect.y);
|
|
gdk_cairo_rectangle (cr, &draw_rect);
|
|
cairo_fill (cr);
|
|
|
|
cairo_destroy (cr);
|
|
|
|
if (invisible)
|
|
g_object_unref (invisible);
|
|
|
|
if (colorized)
|
|
g_object_unref (colorized);
|
|
|
|
if (symbolic)
|
|
g_object_unref (symbolic);
|
|
}
|