693 lines
21 KiB
C
693 lines
21 KiB
C
/* gtkcellrendererpixbuf.c
|
|
* Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <stdlib.h>
|
|
#include "gtkcellrendererpixbuf.h"
|
|
#include "gtkiconfactory.h"
|
|
#include "gtkicontheme.h"
|
|
#include "gtkintl.h"
|
|
#include "gtkprivate.h"
|
|
#include "gtkalias.h"
|
|
|
|
static void gtk_cell_renderer_pixbuf_get_property (GObject *object,
|
|
guint param_id,
|
|
GValue *value,
|
|
GParamSpec *pspec);
|
|
static void gtk_cell_renderer_pixbuf_set_property (GObject *object,
|
|
guint param_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec);
|
|
static void gtk_cell_renderer_pixbuf_finalize (GObject *object);
|
|
static void gtk_cell_renderer_pixbuf_create_stock_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
|
|
GtkWidget *widget);
|
|
static void gtk_cell_renderer_pixbuf_create_named_icon_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
|
|
GtkWidget *widget);
|
|
static void gtk_cell_renderer_pixbuf_get_size (GtkCellRenderer *cell,
|
|
GtkWidget *widget,
|
|
GdkRectangle *rectangle,
|
|
gint *x_offset,
|
|
gint *y_offset,
|
|
gint *width,
|
|
gint *height);
|
|
static void gtk_cell_renderer_pixbuf_render (GtkCellRenderer *cell,
|
|
GdkDrawable *window,
|
|
GtkWidget *widget,
|
|
GdkRectangle *background_area,
|
|
GdkRectangle *cell_area,
|
|
GdkRectangle *expose_area,
|
|
GtkCellRendererState flags);
|
|
|
|
|
|
enum {
|
|
PROP_ZERO,
|
|
PROP_PIXBUF,
|
|
PROP_PIXBUF_EXPANDER_OPEN,
|
|
PROP_PIXBUF_EXPANDER_CLOSED,
|
|
PROP_STOCK_ID,
|
|
PROP_STOCK_SIZE,
|
|
PROP_STOCK_DETAIL,
|
|
PROP_FOLLOW_STATE,
|
|
PROP_ICON_NAME
|
|
};
|
|
|
|
|
|
#define GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_CELL_RENDERER_PIXBUF, GtkCellRendererPixbufPrivate))
|
|
|
|
typedef struct _GtkCellRendererPixbufPrivate GtkCellRendererPixbufPrivate;
|
|
struct _GtkCellRendererPixbufPrivate
|
|
{
|
|
gchar *stock_id;
|
|
GtkIconSize stock_size;
|
|
gchar *stock_detail;
|
|
gboolean follow_state;
|
|
|
|
gchar *icon_name;
|
|
};
|
|
|
|
G_DEFINE_TYPE (GtkCellRendererPixbuf, gtk_cell_renderer_pixbuf, GTK_TYPE_CELL_RENDERER)
|
|
|
|
static void
|
|
gtk_cell_renderer_pixbuf_init (GtkCellRendererPixbuf *cellpixbuf)
|
|
{
|
|
GtkCellRendererPixbufPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (cellpixbuf);
|
|
priv->stock_size = GTK_ICON_SIZE_MENU;
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_pixbuf_class_init (GtkCellRendererPixbufClass *class)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (class);
|
|
GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
|
|
|
|
object_class->finalize = gtk_cell_renderer_pixbuf_finalize;
|
|
|
|
object_class->get_property = gtk_cell_renderer_pixbuf_get_property;
|
|
object_class->set_property = gtk_cell_renderer_pixbuf_set_property;
|
|
|
|
cell_class->get_size = gtk_cell_renderer_pixbuf_get_size;
|
|
cell_class->render = gtk_cell_renderer_pixbuf_render;
|
|
|
|
g_object_class_install_property (object_class,
|
|
PROP_PIXBUF,
|
|
g_param_spec_object ("pixbuf",
|
|
P_("Pixbuf Object"),
|
|
P_("The pixbuf to render"),
|
|
GDK_TYPE_PIXBUF,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (object_class,
|
|
PROP_PIXBUF_EXPANDER_OPEN,
|
|
g_param_spec_object ("pixbuf-expander-open",
|
|
P_("Pixbuf Expander Open"),
|
|
P_("Pixbuf for open expander"),
|
|
GDK_TYPE_PIXBUF,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (object_class,
|
|
PROP_PIXBUF_EXPANDER_CLOSED,
|
|
g_param_spec_object ("pixbuf-expander-closed",
|
|
P_("Pixbuf Expander Closed"),
|
|
P_("Pixbuf for closed expander"),
|
|
GDK_TYPE_PIXBUF,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (object_class,
|
|
PROP_STOCK_ID,
|
|
g_param_spec_string ("stock-id",
|
|
P_("Stock ID"),
|
|
P_("The stock ID of the stock icon to render"),
|
|
NULL,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (object_class,
|
|
PROP_STOCK_SIZE,
|
|
g_param_spec_uint ("stock-size",
|
|
P_("Size"),
|
|
P_("The GtkIconSize value that specifies the size of the rendered icon"),
|
|
0,
|
|
G_MAXUINT,
|
|
GTK_ICON_SIZE_MENU,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (object_class,
|
|
PROP_STOCK_DETAIL,
|
|
g_param_spec_string ("stock-detail",
|
|
P_("Detail"),
|
|
P_("Render detail to pass to the theme engine"),
|
|
NULL,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
|
|
/**
|
|
* GtkCellRendererPixbuf:icon-name:
|
|
*
|
|
* The name of the themed icon to display.
|
|
* This property only has an effect if not overridden by "stock_id"
|
|
* or "pixbuf" properties.
|
|
*
|
|
* Since: 2.8
|
|
*/
|
|
g_object_class_install_property (object_class,
|
|
PROP_ICON_NAME,
|
|
g_param_spec_string ("icon-name",
|
|
P_("Icon Name"),
|
|
P_("The name of the icon from the icon theme"),
|
|
NULL,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkCellRendererPixbuf:follow-state:
|
|
*
|
|
* Specifies whether the rendered pixbuf should be colorized
|
|
* according to the #GtkCellRendererState.
|
|
*
|
|
* Since: 2.8
|
|
*/
|
|
g_object_class_install_property (object_class,
|
|
PROP_FOLLOW_STATE,
|
|
g_param_spec_boolean ("follow-state",
|
|
P_("Follow State"),
|
|
P_("Whether the rendered pixbuf should be "
|
|
"colorized according to the state"),
|
|
FALSE,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
|
|
g_type_class_add_private (object_class, sizeof (GtkCellRendererPixbufPrivate));
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_pixbuf_finalize (GObject *object)
|
|
{
|
|
GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
|
|
GtkCellRendererPixbufPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (object);
|
|
|
|
if (cellpixbuf->pixbuf)
|
|
g_object_unref (cellpixbuf->pixbuf);
|
|
if (cellpixbuf->pixbuf_expander_open)
|
|
g_object_unref (cellpixbuf->pixbuf_expander_open);
|
|
if (cellpixbuf->pixbuf_expander_closed)
|
|
g_object_unref (cellpixbuf->pixbuf_expander_closed);
|
|
|
|
g_free (priv->stock_id);
|
|
g_free (priv->stock_detail);
|
|
g_free (priv->icon_name);
|
|
|
|
(* G_OBJECT_CLASS (gtk_cell_renderer_pixbuf_parent_class)->finalize) (object);
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_pixbuf_get_property (GObject *object,
|
|
guint param_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
|
|
GtkCellRendererPixbufPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (object);
|
|
|
|
switch (param_id)
|
|
{
|
|
case PROP_PIXBUF:
|
|
g_value_set_object (value, G_OBJECT (cellpixbuf->pixbuf));
|
|
break;
|
|
case PROP_PIXBUF_EXPANDER_OPEN:
|
|
g_value_set_object (value, G_OBJECT (cellpixbuf->pixbuf_expander_open));
|
|
break;
|
|
case PROP_PIXBUF_EXPANDER_CLOSED:
|
|
g_value_set_object (value, G_OBJECT (cellpixbuf->pixbuf_expander_closed));
|
|
break;
|
|
case PROP_STOCK_ID:
|
|
g_value_set_string (value, priv->stock_id);
|
|
break;
|
|
case PROP_STOCK_SIZE:
|
|
g_value_set_uint (value, priv->stock_size);
|
|
break;
|
|
case PROP_STOCK_DETAIL:
|
|
g_value_set_string (value, priv->stock_detail);
|
|
break;
|
|
case PROP_FOLLOW_STATE:
|
|
g_value_set_boolean (value, priv->follow_state);
|
|
break;
|
|
case PROP_ICON_NAME:
|
|
g_value_set_string (value, priv->icon_name);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_cell_renderer_pixbuf_set_property (GObject *object,
|
|
guint param_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkCellRendererPixbuf *cellpixbuf = GTK_CELL_RENDERER_PIXBUF (object);
|
|
GtkCellRendererPixbufPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (object);
|
|
|
|
switch (param_id)
|
|
{
|
|
case PROP_PIXBUF:
|
|
if (cellpixbuf->pixbuf)
|
|
g_object_unref (cellpixbuf->pixbuf);
|
|
cellpixbuf->pixbuf = (GdkPixbuf*) g_value_dup_object (value);
|
|
if (cellpixbuf->pixbuf)
|
|
{
|
|
if (priv->stock_id)
|
|
{
|
|
g_free (priv->stock_id);
|
|
priv->stock_id = NULL;
|
|
g_object_notify (object, "stock-id");
|
|
}
|
|
if (priv->icon_name)
|
|
{
|
|
g_free (priv->icon_name);
|
|
priv->icon_name = NULL;
|
|
g_object_notify (object, "icon-name");
|
|
}
|
|
}
|
|
break;
|
|
case PROP_PIXBUF_EXPANDER_OPEN:
|
|
if (cellpixbuf->pixbuf_expander_open)
|
|
g_object_unref (cellpixbuf->pixbuf_expander_open);
|
|
cellpixbuf->pixbuf_expander_open = (GdkPixbuf*) g_value_dup_object (value);
|
|
break;
|
|
case PROP_PIXBUF_EXPANDER_CLOSED:
|
|
if (cellpixbuf->pixbuf_expander_closed)
|
|
g_object_unref (cellpixbuf->pixbuf_expander_closed);
|
|
cellpixbuf->pixbuf_expander_closed = (GdkPixbuf*) g_value_dup_object (value);
|
|
break;
|
|
case PROP_STOCK_ID:
|
|
if (priv->stock_id)
|
|
{
|
|
if (cellpixbuf->pixbuf)
|
|
{
|
|
g_object_unref (cellpixbuf->pixbuf);
|
|
cellpixbuf->pixbuf = NULL;
|
|
g_object_notify (object, "pixbuf");
|
|
}
|
|
g_free (priv->stock_id);
|
|
}
|
|
priv->stock_id = g_value_dup_string (value);
|
|
if (priv->stock_id)
|
|
{
|
|
if (cellpixbuf->pixbuf)
|
|
{
|
|
g_object_unref (cellpixbuf->pixbuf);
|
|
cellpixbuf->pixbuf = NULL;
|
|
g_object_notify (object, "pixbuf");
|
|
}
|
|
if (priv->icon_name)
|
|
{
|
|
g_free (priv->icon_name);
|
|
priv->icon_name = NULL;
|
|
g_object_notify (object, "icon-name");
|
|
}
|
|
}
|
|
break;
|
|
case PROP_STOCK_SIZE:
|
|
priv->stock_size = g_value_get_uint (value);
|
|
break;
|
|
case PROP_STOCK_DETAIL:
|
|
if (priv->stock_detail)
|
|
g_free (priv->stock_detail);
|
|
priv->stock_detail = g_value_dup_string (value);
|
|
break;
|
|
case PROP_ICON_NAME:
|
|
if (priv->icon_name)
|
|
{
|
|
if (cellpixbuf->pixbuf)
|
|
{
|
|
g_object_unref (cellpixbuf->pixbuf);
|
|
cellpixbuf->pixbuf = NULL;
|
|
g_object_notify (object, "pixbuf");
|
|
}
|
|
g_free (priv->icon_name);
|
|
}
|
|
priv->icon_name = g_value_dup_string (value);
|
|
if (priv->icon_name)
|
|
{
|
|
if (cellpixbuf->pixbuf)
|
|
{
|
|
g_object_unref (cellpixbuf->pixbuf);
|
|
cellpixbuf->pixbuf = NULL;
|
|
g_object_notify (object, "pixbuf");
|
|
}
|
|
if (priv->stock_id)
|
|
{
|
|
g_free (priv->stock_id);
|
|
priv->stock_id = NULL;
|
|
g_object_notify (object, "stock-id");
|
|
}
|
|
}
|
|
break;
|
|
case PROP_FOLLOW_STATE:
|
|
priv->follow_state = g_value_get_boolean (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_cell_renderer_pixbuf_new:
|
|
*
|
|
* Creates a new #GtkCellRendererPixbuf. Adjust rendering
|
|
* parameters using object properties. Object properties can be set
|
|
* globally (with g_object_set()). Also, with #GtkTreeViewColumn, you
|
|
* can bind a property to a value in a #GtkTreeModel. For example, you
|
|
* can bind the "pixbuf" property on the cell renderer to a pixbuf value
|
|
* in the model, thus rendering a different image in each row of the
|
|
* #GtkTreeView.
|
|
*
|
|
* Return value: the new cell renderer
|
|
**/
|
|
GtkCellRenderer *
|
|
gtk_cell_renderer_pixbuf_new (void)
|
|
{
|
|
return g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF, NULL);
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_pixbuf_create_stock_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkCellRendererPixbufPrivate *priv;
|
|
|
|
priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (cellpixbuf);
|
|
|
|
if (cellpixbuf->pixbuf)
|
|
g_object_unref (cellpixbuf->pixbuf);
|
|
|
|
cellpixbuf->pixbuf = gtk_widget_render_icon (widget,
|
|
priv->stock_id,
|
|
priv->stock_size,
|
|
priv->stock_detail);
|
|
|
|
g_object_notify (G_OBJECT (cellpixbuf), "pixbuf");
|
|
}
|
|
|
|
static void
|
|
gtk_cell_renderer_pixbuf_create_named_icon_pixbuf (GtkCellRendererPixbuf *cellpixbuf,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkCellRendererPixbufPrivate *priv;
|
|
GdkScreen *screen;
|
|
GtkIconTheme *icon_theme;
|
|
GtkSettings *settings;
|
|
gint width, height;
|
|
GError *error = NULL;
|
|
|
|
priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (cellpixbuf);
|
|
|
|
if (cellpixbuf->pixbuf)
|
|
g_object_unref (cellpixbuf->pixbuf);
|
|
|
|
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 %d\n", priv->stock_size);
|
|
width = height = 24;
|
|
}
|
|
|
|
cellpixbuf->pixbuf =
|
|
gtk_icon_theme_load_icon (icon_theme,
|
|
priv->icon_name,
|
|
MIN (width, height), 0, &error);
|
|
if (!cellpixbuf->pixbuf)
|
|
{
|
|
g_warning ("could not load image: %s\n", error->message);
|
|
g_error_free (error);
|
|
}
|
|
|
|
g_object_notify (G_OBJECT (cellpixbuf), "pixbuf");
|
|
}
|
|
|
|
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;
|
|
GtkCellRendererPixbufPrivate *priv;
|
|
gint pixbuf_width = 0;
|
|
gint pixbuf_height = 0;
|
|
gint calc_width;
|
|
gint calc_height;
|
|
|
|
priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (cell);
|
|
|
|
if (!cellpixbuf->pixbuf)
|
|
{
|
|
if (priv->stock_id)
|
|
gtk_cell_renderer_pixbuf_create_stock_pixbuf (cellpixbuf, widget);
|
|
else if (priv->icon_name)
|
|
gtk_cell_renderer_pixbuf_create_named_icon_pixbuf (cellpixbuf, widget);
|
|
}
|
|
|
|
if (cellpixbuf->pixbuf)
|
|
{
|
|
pixbuf_width = gdk_pixbuf_get_width (cellpixbuf->pixbuf);
|
|
pixbuf_height = gdk_pixbuf_get_height (cellpixbuf->pixbuf);
|
|
}
|
|
if (cellpixbuf->pixbuf_expander_open)
|
|
{
|
|
pixbuf_width = MAX (pixbuf_width, gdk_pixbuf_get_width (cellpixbuf->pixbuf_expander_open));
|
|
pixbuf_height = MAX (pixbuf_height, gdk_pixbuf_get_height (cellpixbuf->pixbuf_expander_open));
|
|
}
|
|
if (cellpixbuf->pixbuf_expander_closed)
|
|
{
|
|
pixbuf_width = MAX (pixbuf_width, gdk_pixbuf_get_width (cellpixbuf->pixbuf_expander_closed));
|
|
pixbuf_height = MAX (pixbuf_height, gdk_pixbuf_get_height (cellpixbuf->pixbuf_expander_closed));
|
|
}
|
|
|
|
calc_width = (gint) cell->xpad * 2 + pixbuf_width;
|
|
calc_height = (gint) cell->ypad * 2 + pixbuf_height;
|
|
|
|
if (x_offset) *x_offset = 0;
|
|
if (y_offset) *y_offset = 0;
|
|
|
|
if (cell_area && pixbuf_width > 0 && pixbuf_height > 0)
|
|
{
|
|
if (x_offset)
|
|
{
|
|
*x_offset = (((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) ?
|
|
1.0 - cell->xalign : cell->xalign) *
|
|
(cell_area->width - calc_width - 2 * cell->xpad));
|
|
*x_offset = MAX (*x_offset, 0) + cell->xpad;
|
|
}
|
|
if (y_offset)
|
|
{
|
|
*y_offset = (cell->yalign *
|
|
(cell_area->height - calc_height - 2 * cell->ypad));
|
|
*y_offset = MAX (*y_offset, 0) + cell->ypad;
|
|
}
|
|
}
|
|
|
|
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;
|
|
GtkCellRendererPixbufPrivate *priv;
|
|
GdkPixbuf *pixbuf;
|
|
GdkPixbuf *invisible = NULL;
|
|
GdkPixbuf *colorized = NULL;
|
|
GdkRectangle pix_rect;
|
|
GdkRectangle draw_rect;
|
|
cairo_t *cr;
|
|
|
|
priv = GTK_CELL_RENDERER_PIXBUF_GET_PRIVATE (cell);
|
|
|
|
gtk_cell_renderer_pixbuf_get_size (cell, widget, cell_area,
|
|
&pix_rect.x,
|
|
&pix_rect.y,
|
|
&pix_rect.width,
|
|
&pix_rect.height);
|
|
|
|
pix_rect.x += cell_area->x;
|
|
pix_rect.y += cell_area->y;
|
|
pix_rect.width -= cell->xpad * 2;
|
|
pix_rect.height -= cell->ypad * 2;
|
|
|
|
if (!gdk_rectangle_intersect (cell_area, &pix_rect, &draw_rect) ||
|
|
!gdk_rectangle_intersect (expose_area, &draw_rect, &draw_rect))
|
|
return;
|
|
|
|
pixbuf = cellpixbuf->pixbuf;
|
|
|
|
if (cell->is_expander)
|
|
{
|
|
if (cell->is_expanded &&
|
|
cellpixbuf->pixbuf_expander_open != NULL)
|
|
pixbuf = cellpixbuf->pixbuf_expander_open;
|
|
else if (!cell->is_expanded &&
|
|
cellpixbuf->pixbuf_expander_closed != NULL)
|
|
pixbuf = cellpixbuf->pixbuf_expander_closed;
|
|
}
|
|
|
|
if (!pixbuf)
|
|
return;
|
|
|
|
if (GTK_WIDGET_STATE (widget) == GTK_STATE_INSENSITIVE || !cell->sensitive)
|
|
{
|
|
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;
|
|
|
|
colorized = create_colorized_pixbuf (pixbuf,
|
|
&widget->style->base[state]);
|
|
|
|
pixbuf = colorized;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
#define __GTK_CELL_RENDERER_PIXBUF_C__
|
|
#include "gtkaliasdef.c"
|