* 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
+ * modify it under the terms of the GNU Lesser 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.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser 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.
*/
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#include "config.h"
+#include <math.h>
+#include <string.h>
+
#include "gtkcontainer.h"
#include "gtkimage.h"
+#include "gtkiconfactory.h"
+#include "gtkstock.h"
+#include "gtkicontheme.h"
+#include "gtkintl.h"
+#include "gtkprivate.h"
+#include "gtkalias.h"
+typedef struct _GtkImagePrivate GtkImagePrivate;
-static void gtk_image_class_init (GtkImageClass *klass);
-static void gtk_image_init (GtkImage *image);
-static gint gtk_image_expose (GtkWidget *widget,
- GdkEventExpose *event);
+struct _GtkImagePrivate
+{
+ /* Only used with GTK_IMAGE_ANIMATION, GTK_IMAGE_PIXBUF */
+ gchar *filename;
+ gint pixel_size;
+};
-GtkType
-gtk_image_get_type (void)
-{
- static GtkType image_type = 0;
+#define GTK_IMAGE_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_IMAGE, GtkImagePrivate))
- if (!image_type)
- {
- static const GtkTypeInfo image_info =
- {
- "GtkImage",
- sizeof (GtkImage),
- sizeof (GtkImageClass),
- (GtkClassInitFunc) gtk_image_class_init,
- (GtkObjectInitFunc) gtk_image_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
- image_type = gtk_type_unique (GTK_TYPE_MISC, &image_info);
- }
+#define DEFAULT_ICON_SIZE GTK_ICON_SIZE_BUTTON
+static gint gtk_image_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+static void gtk_image_unmap (GtkWidget *widget);
+static void gtk_image_unrealize (GtkWidget *widget);
+static void gtk_image_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_image_style_set (GtkWidget *widget,
+ GtkStyle *prev_style);
+static void gtk_image_screen_changed (GtkWidget *widget,
+ GdkScreen *prev_screen);
+static void gtk_image_destroy (GtkObject *object);
+static void gtk_image_reset (GtkImage *image);
+static void gtk_image_calc_size (GtkImage *image);
- return image_type;
-}
+static void gtk_image_update_size (GtkImage *image,
+ gint image_width,
+ gint image_height);
+
+static void gtk_image_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_image_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void icon_theme_changed (GtkImage *image);
+
+enum
+{
+ PROP_0,
+ PROP_PIXBUF,
+ PROP_PIXMAP,
+ PROP_IMAGE,
+ PROP_MASK,
+ PROP_FILE,
+ PROP_STOCK,
+ PROP_ICON_SET,
+ PROP_ICON_SIZE,
+ PROP_PIXEL_SIZE,
+ PROP_PIXBUF_ANIMATION,
+ PROP_ICON_NAME,
+ PROP_STORAGE_TYPE,
+ PROP_GICON
+};
+
+G_DEFINE_TYPE (GtkImage, gtk_image, GTK_TYPE_MISC)
static void
gtk_image_class_init (GtkImageClass *class)
{
+ GObjectClass *gobject_class;
+ GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
- widget_class = (GtkWidgetClass*) class;
+ gobject_class = G_OBJECT_CLASS (class);
+
+ gobject_class->set_property = gtk_image_set_property;
+ gobject_class->get_property = gtk_image_get_property;
+
+ object_class = GTK_OBJECT_CLASS (class);
+
+ object_class->destroy = gtk_image_destroy;
+ widget_class = GTK_WIDGET_CLASS (class);
+
widget_class->expose_event = gtk_image_expose;
+ widget_class->size_request = gtk_image_size_request;
+ widget_class->unmap = gtk_image_unmap;
+ widget_class->unrealize = gtk_image_unrealize;
+ widget_class->style_set = gtk_image_style_set;
+ widget_class->screen_changed = gtk_image_screen_changed;
+
+ g_object_class_install_property (gobject_class,
+ PROP_PIXBUF,
+ g_param_spec_object ("pixbuf",
+ P_("Pixbuf"),
+ P_("A GdkPixbuf to display"),
+ GDK_TYPE_PIXBUF,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_PIXMAP,
+ g_param_spec_object ("pixmap",
+ P_("Pixmap"),
+ P_("A GdkPixmap to display"),
+ GDK_TYPE_PIXMAP,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_IMAGE,
+ g_param_spec_object ("image",
+ P_("Image"),
+ P_("A GdkImage to display"),
+ GDK_TYPE_IMAGE,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_MASK,
+ g_param_spec_object ("mask",
+ P_("Mask"),
+ P_("Mask bitmap to use with GdkImage or GdkPixmap"),
+ GDK_TYPE_PIXMAP,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_FILE,
+ g_param_spec_string ("file",
+ P_("Filename"),
+ P_("Filename to load and display"),
+ NULL,
+ GTK_PARAM_READWRITE));
+
+
+ g_object_class_install_property (gobject_class,
+ PROP_STOCK,
+ g_param_spec_string ("stock",
+ P_("Stock ID"),
+ P_("Stock ID for a stock image to display"),
+ NULL,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_ICON_SET,
+ g_param_spec_boxed ("icon-set",
+ P_("Icon set"),
+ P_("Icon set to display"),
+ GTK_TYPE_ICON_SET,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_ICON_SIZE,
+ g_param_spec_int ("icon-size",
+ P_("Icon size"),
+ P_("Symbolic size to use for stock icon, icon set or named icon"),
+ 0, G_MAXINT,
+ DEFAULT_ICON_SIZE,
+ GTK_PARAM_READWRITE));
+ /**
+ * GtkImage:pixel-size:
+ *
+ * The "pixel-size" property can be used to specify a fixed size
+ * overriding the #GtkImage:icon-size property for images of type
+ * %GTK_IMAGE_ICON_NAME.
+ *
+ * Since: 2.6
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_PIXEL_SIZE,
+ g_param_spec_int ("pixel-size",
+ P_("Pixel size"),
+ P_("Pixel size to use for named icon"),
+ -1, G_MAXINT,
+ -1,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_PIXBUF_ANIMATION,
+ g_param_spec_object ("pixbuf-animation",
+ P_("Animation"),
+ P_("GdkPixbufAnimation to display"),
+ GDK_TYPE_PIXBUF_ANIMATION,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkImage:icon-name:
+ *
+ * The name of the icon in the icon theme. If the icon theme is
+ * changed, the image will be updated automatically.
+ *
+ * Since: 2.6
+ */
+ g_object_class_install_property (gobject_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));
+
+ /**
+ * GtkImage:gicon:
+ *
+ * The GIcon displayed in the GtkImage. For themed icons,
+ * If the icon theme is changed, the image will be updated
+ * automatically.
+ *
+ * Since: 2.14
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_GICON,
+ g_param_spec_object ("gicon",
+ P_("Icon"),
+ P_("The GIcon being displayed"),
+ G_TYPE_ICON,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_STORAGE_TYPE,
+ g_param_spec_enum ("storage-type",
+ P_("Storage type"),
+ P_("The representation being used for image data"),
+ GTK_TYPE_IMAGE_TYPE,
+ GTK_IMAGE_EMPTY,
+ GTK_PARAM_READABLE));
+
+ g_type_class_add_private (object_class, sizeof (GtkImagePrivate));
}
static void
gtk_image_init (GtkImage *image)
{
+ GtkImagePrivate *priv = GTK_IMAGE_GET_PRIVATE (image);
+
GTK_WIDGET_SET_FLAGS (image, GTK_NO_WINDOW);
- image->image = NULL;
+ image->storage_type = GTK_IMAGE_EMPTY;
+ image->icon_size = DEFAULT_ICON_SIZE;
image->mask = NULL;
+
+ priv->pixel_size = -1;
+
+ priv->filename = NULL;
+}
+
+static void
+gtk_image_destroy (GtkObject *object)
+{
+ GtkImage *image = GTK_IMAGE (object);
+
+ gtk_image_reset (image);
+
+ GTK_OBJECT_CLASS (gtk_image_parent_class)->destroy (object);
+}
+
+static void
+gtk_image_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkImage *image;
+
+ image = GTK_IMAGE (object);
+
+ switch (prop_id)
+ {
+ case PROP_PIXBUF:
+ gtk_image_set_from_pixbuf (image,
+ g_value_get_object (value));
+ break;
+ case PROP_PIXMAP:
+ gtk_image_set_from_pixmap (image,
+ g_value_get_object (value),
+ image->mask);
+ break;
+ case PROP_IMAGE:
+ gtk_image_set_from_image (image,
+ g_value_get_object (value),
+ image->mask);
+ break;
+ case PROP_MASK:
+ if (image->storage_type == GTK_IMAGE_PIXMAP)
+ gtk_image_set_from_pixmap (image,
+ image->data.pixmap.pixmap,
+ g_value_get_object (value));
+ else if (image->storage_type == GTK_IMAGE_IMAGE)
+ gtk_image_set_from_image (image,
+ image->data.image.image,
+ g_value_get_object (value));
+ else
+ {
+ GdkBitmap *mask;
+
+ mask = g_value_get_object (value);
+
+ if (mask)
+ g_object_ref (mask);
+
+ gtk_image_clear (image);
+
+ image->mask = mask;
+ }
+ break;
+ case PROP_FILE:
+ gtk_image_set_from_file (image, g_value_get_string (value));
+ break;
+ case PROP_STOCK:
+ gtk_image_set_from_stock (image, g_value_get_string (value),
+ image->icon_size);
+ break;
+ case PROP_ICON_SET:
+ gtk_image_set_from_icon_set (image, g_value_get_boxed (value),
+ image->icon_size);
+ break;
+ case PROP_ICON_SIZE:
+ if (image->storage_type == GTK_IMAGE_STOCK)
+ gtk_image_set_from_stock (image,
+ image->data.stock.stock_id,
+ g_value_get_int (value));
+ else if (image->storage_type == GTK_IMAGE_ICON_SET)
+ gtk_image_set_from_icon_set (image,
+ image->data.icon_set.icon_set,
+ g_value_get_int (value));
+ else if (image->storage_type == GTK_IMAGE_ICON_NAME)
+ gtk_image_set_from_icon_name (image,
+ image->data.name.icon_name,
+ g_value_get_int (value));
+ else
+ /* Save to be used when STOCK or ICON_SET property comes in */
+ image->icon_size = g_value_get_int (value);
+ break;
+ case PROP_PIXEL_SIZE:
+ gtk_image_set_pixel_size (image, g_value_get_int (value));
+ break;
+ case PROP_PIXBUF_ANIMATION:
+ gtk_image_set_from_animation (image,
+ g_value_get_object (value));
+ break;
+ case PROP_ICON_NAME:
+ gtk_image_set_from_icon_name (image, g_value_get_string (value),
+ image->icon_size);
+ break;
+ case PROP_GICON:
+ gtk_image_set_from_gicon (image, g_value_get_object (value),
+ image->icon_size);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gtk_image_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkImage *image;
+ GtkImagePrivate *priv;
+
+ image = GTK_IMAGE (object);
+ priv = GTK_IMAGE_GET_PRIVATE (image);
+
+ /* The "getter" functions whine if you try to get the wrong
+ * storage type. This function is instead robust against that,
+ * so that GUI builders don't have to jump through hoops
+ * to avoid g_warning
+ */
+
+ switch (prop_id)
+ {
+ case PROP_PIXBUF:
+ if (image->storage_type != GTK_IMAGE_PIXBUF)
+ g_value_set_object (value, NULL);
+ else
+ g_value_set_object (value,
+ gtk_image_get_pixbuf (image));
+ break;
+ case PROP_PIXMAP:
+ if (image->storage_type != GTK_IMAGE_PIXMAP)
+ g_value_set_object (value, NULL);
+ else
+ g_value_set_object (value,
+ image->data.pixmap.pixmap);
+ break;
+ case PROP_MASK:
+ g_value_set_object (value, image->mask);
+ break;
+ case PROP_IMAGE:
+ if (image->storage_type != GTK_IMAGE_IMAGE)
+ g_value_set_object (value, NULL);
+ else
+ g_value_set_object (value,
+ image->data.image.image);
+ break;
+ case PROP_FILE:
+ g_value_set_string (value, priv->filename);
+ break;
+ case PROP_STOCK:
+ if (image->storage_type != GTK_IMAGE_STOCK)
+ g_value_set_string (value, NULL);
+ else
+ g_value_set_string (value,
+ image->data.stock.stock_id);
+ break;
+ case PROP_ICON_SET:
+ if (image->storage_type != GTK_IMAGE_ICON_SET)
+ g_value_set_boxed (value, NULL);
+ else
+ g_value_set_boxed (value,
+ image->data.icon_set.icon_set);
+ break;
+ case PROP_ICON_SIZE:
+ g_value_set_int (value, image->icon_size);
+ break;
+ case PROP_PIXEL_SIZE:
+ g_value_set_int (value, priv->pixel_size);
+ break;
+ case PROP_PIXBUF_ANIMATION:
+ if (image->storage_type != GTK_IMAGE_ANIMATION)
+ g_value_set_object (value, NULL);
+ else
+ g_value_set_object (value,
+ image->data.anim.anim);
+ break;
+ case PROP_ICON_NAME:
+ if (image->storage_type != GTK_IMAGE_ICON_NAME)
+ g_value_set_string (value, NULL);
+ else
+ g_value_set_string (value,
+ image->data.name.icon_name);
+ break;
+ case PROP_GICON:
+ if (image->storage_type != GTK_IMAGE_GICON)
+ g_value_set_object (value, NULL);
+ else
+ g_value_set_object (value,
+ image->data.gicon.icon);
+ break;
+ case PROP_STORAGE_TYPE:
+ g_value_set_enum (value, image->storage_type);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
+
+/**
+ * gtk_image_new_from_pixmap:
+ * @pixmap: a #GdkPixmap, or %NULL
+ * @mask: a #GdkBitmap, or %NULL
+ *
+ * Creates a #GtkImage widget displaying @pixmap with a @mask.
+ * A #GdkPixmap is a server-side image buffer in the pixel format of the
+ * current display. The #GtkImage does not assume a reference to the
+ * pixmap or mask; you still need to unref them if you own references.
+ * #GtkImage will add its own reference rather than adopting yours.
+ *
+ * Return value: a new #GtkImage
+ **/
GtkWidget*
-gtk_image_new (GdkImage *val,
- GdkBitmap *mask)
+gtk_image_new_from_pixmap (GdkPixmap *pixmap,
+ GdkBitmap *mask)
+{
+ GtkImage *image;
+
+ image = g_object_new (GTK_TYPE_IMAGE, NULL);
+
+ gtk_image_set_from_pixmap (image, pixmap, mask);
+
+ return GTK_WIDGET (image);
+}
+
+/**
+ * gtk_image_new_from_image:
+ * @image: a #GdkImage, or %NULL
+ * @mask: a #GdkBitmap, or %NULL
+ *
+ * Creates a #GtkImage widget displaying a @image with a @mask.
+ * A #GdkImage is a client-side image buffer in the pixel format of the
+ * current display. The #GtkImage does not assume a reference to the
+ * image or mask; you still need to unref them if you own references.
+ * #GtkImage will add its own reference rather than adopting yours.
+ *
+ * Return value: a new #GtkImage
+ **/
+GtkWidget*
+gtk_image_new_from_image (GdkImage *gdk_image,
+ GdkBitmap *mask)
+{
+ GtkImage *image;
+
+ image = g_object_new (GTK_TYPE_IMAGE, NULL);
+
+ gtk_image_set_from_image (image, gdk_image, mask);
+
+ return GTK_WIDGET (image);
+}
+
+/**
+ * gtk_image_new_from_file:
+ * @filename: a filename
+ *
+ * Creates a new #GtkImage displaying the file @filename. If the file
+ * isn't found or can't be loaded, the resulting #GtkImage will
+ * display a "broken image" icon. This function never returns %NULL,
+ * it always returns a valid #GtkImage widget.
+ *
+ * If the file contains an animation, the image will contain an
+ * animation.
+ *
+ * If you need to detect failures to load the file, use
+ * gdk_pixbuf_new_from_file() to load the file yourself, then create
+ * the #GtkImage from the pixbuf. (Or for animations, use
+ * gdk_pixbuf_animation_new_from_file()).
+ *
+ * The storage type (gtk_image_get_storage_type()) of the returned
+ * image is not defined, it will be whatever is appropriate for
+ * displaying the file.
+ *
+ * Return value: a new #GtkImage
+ **/
+GtkWidget*
+gtk_image_new_from_file (const gchar *filename)
+{
+ GtkImage *image;
+
+ image = g_object_new (GTK_TYPE_IMAGE, NULL);
+
+ gtk_image_set_from_file (image, filename);
+
+ return GTK_WIDGET (image);
+}
+
+/**
+ * gtk_image_new_from_pixbuf:
+ * @pixbuf: a #GdkPixbuf, or %NULL
+ *
+ * Creates a new #GtkImage displaying @pixbuf.
+ * The #GtkImage does not assume a reference to the
+ * pixbuf; you still need to unref it if you own references.
+ * #GtkImage will add its own reference rather than adopting yours.
+ *
+ * Note that this function just creates an #GtkImage from the pixbuf. The
+ * #GtkImage created will not react to state changes. Should you want that,
+ * you should use gtk_image_new_from_icon_set().
+ *
+ * Return value: a new #GtkImage
+ **/
+GtkWidget*
+gtk_image_new_from_pixbuf (GdkPixbuf *pixbuf)
+{
+ GtkImage *image;
+
+ image = g_object_new (GTK_TYPE_IMAGE, NULL);
+
+ gtk_image_set_from_pixbuf (image, pixbuf);
+
+ return GTK_WIDGET (image);
+}
+
+/**
+ * gtk_image_new_from_stock:
+ * @stock_id: a stock icon name
+ * @size: a stock icon size
+ *
+ * Creates a #GtkImage displaying a stock icon. Sample stock icon
+ * names are #GTK_STOCK_OPEN, #GTK_STOCK_QUIT. Sample stock sizes
+ * are #GTK_ICON_SIZE_MENU, #GTK_ICON_SIZE_SMALL_TOOLBAR. If the stock
+ * icon name isn't known, the image will be empty.
+ * You can register your own stock icon names, see
+ * gtk_icon_factory_add_default() and gtk_icon_factory_add().
+ *
+ * Return value: a new #GtkImage displaying the stock icon
+ **/
+GtkWidget*
+gtk_image_new_from_stock (const gchar *stock_id,
+ GtkIconSize size)
+{
+ GtkImage *image;
+
+ image = g_object_new (GTK_TYPE_IMAGE, NULL);
+
+ gtk_image_set_from_stock (image, stock_id, size);
+
+ return GTK_WIDGET (image);
+}
+
+/**
+ * gtk_image_new_from_icon_set:
+ * @icon_set: a #GtkIconSet
+ * @size: a stock icon size
+ *
+ * Creates a #GtkImage displaying an icon set. Sample stock sizes are
+ * #GTK_ICON_SIZE_MENU, #GTK_ICON_SIZE_SMALL_TOOLBAR. Instead of using
+ * this function, usually it's better to create a #GtkIconFactory, put
+ * your icon sets in the icon factory, add the icon factory to the
+ * list of default factories with gtk_icon_factory_add_default(), and
+ * then use gtk_image_new_from_stock(). This will allow themes to
+ * override the icon you ship with your application.
+ *
+ * The #GtkImage does not assume a reference to the
+ * icon set; you still need to unref it if you own references.
+ * #GtkImage will add its own reference rather than adopting yours.
+ *
+ * Return value: a new #GtkImage
+ **/
+GtkWidget*
+gtk_image_new_from_icon_set (GtkIconSet *icon_set,
+ GtkIconSize size)
+{
+ GtkImage *image;
+
+ image = g_object_new (GTK_TYPE_IMAGE, NULL);
+
+ gtk_image_set_from_icon_set (image, icon_set, size);
+
+ return GTK_WIDGET (image);
+}
+
+/**
+ * gtk_image_new_from_animation:
+ * @animation: an animation
+ *
+ * Creates a #GtkImage displaying the given animation.
+ * The #GtkImage does not assume a reference to the
+ * animation; you still need to unref it if you own references.
+ * #GtkImage will add its own reference rather than adopting yours.
+ *
+ * Note that the animation frames are shown using a timeout with
+ * #G_PRIORITY_DEFAULT. When using animations to indicate busyness,
+ * keep in mind that the animation will only be shown if the main loop
+ * is not busy with something that has a higher priority.
+ *
+ * Return value: a new #GtkImage widget
+ **/
+GtkWidget*
+gtk_image_new_from_animation (GdkPixbufAnimation *animation)
{
GtkImage *image;
- g_return_val_if_fail (val != NULL, NULL);
+ g_return_val_if_fail (GDK_IS_PIXBUF_ANIMATION (animation), NULL);
+
+ image = g_object_new (GTK_TYPE_IMAGE, NULL);
+
+ gtk_image_set_from_animation (image, animation);
+
+ return GTK_WIDGET (image);
+}
+
+/**
+ * gtk_image_new_from_icon_name:
+ * @icon_name: an icon name
+ * @size: a stock icon size
+ *
+ * Creates a #GtkImage displaying an icon from the current icon theme.
+ * If the icon name isn't known, a "broken image" icon will be
+ * displayed instead. If the current icon theme is changed, the icon
+ * will be updated appropriately.
+ *
+ * Return value: a new #GtkImage displaying the themed icon
+ *
+ * Since: 2.6
+ **/
+GtkWidget*
+gtk_image_new_from_icon_name (const gchar *icon_name,
+ GtkIconSize size)
+{
+ GtkImage *image;
+
+ image = g_object_new (GTK_TYPE_IMAGE, NULL);
+
+ gtk_image_set_from_icon_name (image, icon_name, size);
+
+ return GTK_WIDGET (image);
+}
+
+/**
+ * gtk_image_new_from_gicon:
+ * @icon: an icon
+ * @size: a stock icon size
+ *
+ * Creates a #GtkImage displaying an icon from the current icon theme.
+ * If the icon name isn't known, a "broken image" icon will be
+ * displayed instead. If the current icon theme is changed, the icon
+ * will be updated appropriately.
+ *
+ * Return value: a new #GtkImage displaying the themed icon
+ *
+ * Since: 2.14
+ **/
+GtkWidget*
+gtk_image_new_from_gicon (GIcon *icon,
+ GtkIconSize size)
+{
+ GtkImage *image;
- image = gtk_type_new (GTK_TYPE_IMAGE);
+ image = g_object_new (GTK_TYPE_IMAGE, NULL);
- gtk_image_set (image, val, mask);
+ gtk_image_set_from_gicon (image, icon, size);
return GTK_WIDGET (image);
}
+/**
+ * gtk_image_set_from_pixmap:
+ * @image: a #GtkImage
+ * @pixmap: a #GdkPixmap or %NULL
+ * @mask: a #GdkBitmap or %NULL
+ *
+ * See gtk_image_new_from_pixmap() for details.
+ **/
void
-gtk_image_set (GtkImage *image,
- GdkImage *val,
- GdkBitmap *mask)
+gtk_image_set_from_pixmap (GtkImage *image,
+ GdkPixmap *pixmap,
+ GdkBitmap *mask)
{
- g_return_if_fail (image != NULL);
g_return_if_fail (GTK_IS_IMAGE (image));
+ g_return_if_fail (pixmap == NULL ||
+ GDK_IS_PIXMAP (pixmap));
+ g_return_if_fail (mask == NULL ||
+ GDK_IS_PIXMAP (mask));
+
+ g_object_freeze_notify (G_OBJECT (image));
+
+ if (pixmap)
+ g_object_ref (pixmap);
+
+ if (mask)
+ g_object_ref (mask);
+
+ gtk_image_clear (image);
- image->image = val;
image->mask = mask;
+
+ if (pixmap)
+ {
+ int width;
+ int height;
+
+ image->storage_type = GTK_IMAGE_PIXMAP;
+
+ image->data.pixmap.pixmap = pixmap;
+
+ gdk_drawable_get_size (GDK_DRAWABLE (pixmap), &width, &height);
+
+ gtk_image_update_size (image, width, height);
+ }
+
+ g_object_notify (G_OBJECT (image), "pixmap");
+ g_object_notify (G_OBJECT (image), "mask");
+
+ g_object_thaw_notify (G_OBJECT (image));
+}
+
+/**
+ * gtk_image_set_from_image:
+ * @image: a #GtkImage
+ * @gdk_image: a #GdkImage or %NULL
+ * @mask: a #GdkBitmap or %NULL
+ *
+ * See gtk_image_new_from_image() for details.
+ **/
+void
+gtk_image_set_from_image (GtkImage *image,
+ GdkImage *gdk_image,
+ GdkBitmap *mask)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+ g_return_if_fail (gdk_image == NULL ||
+ GDK_IS_IMAGE (gdk_image));
+ g_return_if_fail (mask == NULL ||
+ GDK_IS_PIXMAP (mask));
- if (image->image)
+ g_object_freeze_notify (G_OBJECT (image));
+
+ if (gdk_image)
+ g_object_ref (gdk_image);
+
+ if (mask)
+ g_object_ref (mask);
+
+ gtk_image_clear (image);
+
+ if (gdk_image)
{
- GTK_WIDGET (image)->requisition.width = image->image->width + GTK_MISC (image)->xpad * 2;
- GTK_WIDGET (image)->requisition.height = image->image->height + GTK_MISC (image)->ypad * 2;
+ image->storage_type = GTK_IMAGE_IMAGE;
+
+ image->data.image.image = gdk_image;
+ image->mask = mask;
+
+ gtk_image_update_size (image, gdk_image->width, gdk_image->height);
}
else
{
- GTK_WIDGET (image)->requisition.width = 0;
- GTK_WIDGET (image)->requisition.height = 0;
+ /* Clean up the mask if gdk_image was NULL */
+ if (mask)
+ g_object_unref (mask);
}
- if (GTK_WIDGET_VISIBLE (image))
- gtk_widget_queue_resize (GTK_WIDGET (image));
+ g_object_notify (G_OBJECT (image), "image");
+ g_object_notify (G_OBJECT (image), "mask");
+
+ g_object_thaw_notify (G_OBJECT (image));
}
+/**
+ * gtk_image_set_from_file:
+ * @image: a #GtkImage
+ * @filename: a filename or %NULL
+ *
+ * See gtk_image_new_from_file() for details.
+ **/
void
-gtk_image_get (GtkImage *image,
- GdkImage **val,
- GdkBitmap **mask)
+gtk_image_set_from_file (GtkImage *image,
+ const gchar *filename)
{
- g_return_if_fail (image != NULL);
+ GtkImagePrivate *priv = GTK_IMAGE_GET_PRIVATE (image);
+ GdkPixbufAnimation *anim;
+
g_return_if_fail (GTK_IS_IMAGE (image));
- if (val)
- *val = image->image;
- if (mask)
- *mask = image->mask;
+ g_object_freeze_notify (G_OBJECT (image));
+
+ gtk_image_clear (image);
+
+ if (filename == NULL)
+ {
+ priv->filename = NULL;
+ g_object_thaw_notify (G_OBJECT (image));
+ return;
+ }
+
+ anim = gdk_pixbuf_animation_new_from_file (filename, NULL);
+
+ if (anim == NULL)
+ {
+ gtk_image_set_from_stock (image,
+ GTK_STOCK_MISSING_IMAGE,
+ GTK_ICON_SIZE_BUTTON);
+ g_object_thaw_notify (G_OBJECT (image));
+ return;
+ }
+
+ /* We could just unconditionally set_from_animation,
+ * but it's nicer for memory if we toss the animation
+ * if it's just a single pixbuf
+ */
+
+ if (gdk_pixbuf_animation_is_static_image (anim))
+ gtk_image_set_from_pixbuf (image,
+ gdk_pixbuf_animation_get_static_image (anim));
+ else
+ gtk_image_set_from_animation (image, anim);
+
+ g_object_unref (anim);
+
+ priv->filename = g_strdup (filename);
+
+ g_object_thaw_notify (G_OBJECT (image));
}
+/**
+ * gtk_image_set_from_pixbuf:
+ * @image: a #GtkImage
+ * @pixbuf: a #GdkPixbuf or %NULL
+ *
+ * See gtk_image_new_from_pixbuf() for details.
+ **/
+void
+gtk_image_set_from_pixbuf (GtkImage *image,
+ GdkPixbuf *pixbuf)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+ g_return_if_fail (pixbuf == NULL ||
+ GDK_IS_PIXBUF (pixbuf));
-static gint
-gtk_image_expose (GtkWidget *widget,
- GdkEventExpose *event)
+ g_object_freeze_notify (G_OBJECT (image));
+
+ if (pixbuf)
+ g_object_ref (pixbuf);
+
+ gtk_image_clear (image);
+
+ if (pixbuf != NULL)
+ {
+ image->storage_type = GTK_IMAGE_PIXBUF;
+
+ image->data.pixbuf.pixbuf = pixbuf;
+
+ gtk_image_update_size (image,
+ gdk_pixbuf_get_width (pixbuf),
+ gdk_pixbuf_get_height (pixbuf));
+ }
+
+ g_object_notify (G_OBJECT (image), "pixbuf");
+
+ g_object_thaw_notify (G_OBJECT (image));
+}
+
+/**
+ * gtk_image_set_from_stock:
+ * @image: a #GtkImage
+ * @stock_id: a stock icon name
+ * @size: a stock icon size
+ *
+ * See gtk_image_new_from_stock() for details.
+ **/
+void
+gtk_image_set_from_stock (GtkImage *image,
+ const gchar *stock_id,
+ GtkIconSize size)
{
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_IMAGE (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ gchar *new_id;
+
+ g_return_if_fail (GTK_IS_IMAGE (image));
+
+ g_object_freeze_notify (G_OBJECT (image));
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget))
+ /* in case stock_id == image->data.stock.stock_id */
+ new_id = g_strdup (stock_id);
+
+ gtk_image_clear (image);
+
+ if (new_id)
{
- GtkImage *image;
- GtkMisc *misc;
- GdkRectangle area, image_bound, intersection;
- gint x, y;
+ image->storage_type = GTK_IMAGE_STOCK;
- image = GTK_IMAGE (widget);
- misc = GTK_MISC (widget);
+ image->data.stock.stock_id = new_id;
+ image->icon_size = size;
- 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;
+ /* Size is demand-computed in size request method
+ * if we're a stock image, since changing the
+ * style impacts the size request
+ */
+ }
- if (image->mask)
- {
- gdk_gc_set_clip_mask (widget->style->black_gc, image->mask);
- gdk_gc_set_clip_origin (widget->style->black_gc, x, y);
- }
+ g_object_notify (G_OBJECT (image), "stock");
+ g_object_notify (G_OBJECT (image), "icon-size");
+
+ g_object_thaw_notify (G_OBJECT (image));
+}
- image_bound.x = x;
- image_bound.y = y;
- image_bound.width = image->image->width;
- image_bound.height = image->image->height;
+/**
+ * gtk_image_set_from_icon_set:
+ * @image: a #GtkImage
+ * @icon_set: a #GtkIconSet
+ * @size: a stock icon size
+ *
+ * See gtk_image_new_from_icon_set() for details.
+ **/
+void
+gtk_image_set_from_icon_set (GtkImage *image,
+ GtkIconSet *icon_set,
+ GtkIconSize size)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
- area = event->area;
+ g_object_freeze_notify (G_OBJECT (image));
+
+ if (icon_set)
+ gtk_icon_set_ref (icon_set);
+
+ gtk_image_clear (image);
+
+ if (icon_set)
+ {
+ image->storage_type = GTK_IMAGE_ICON_SET;
- if(gdk_rectangle_intersect(&image_bound, &area, &intersection))
- {
- gdk_draw_image (widget->window,
- widget->style->black_gc,
- image->image,
- image_bound.x - x, image_bound.y - y,
- image_bound.x, image_bound.y,
- image_bound.width, image_bound.height);
- }
+ image->data.icon_set.icon_set = icon_set;
+ image->icon_size = size;
+
+ /* Size is demand-computed in size request method
+ * if we're an icon set
+ */
+ }
+
+ g_object_notify (G_OBJECT (image), "icon-set");
+ g_object_notify (G_OBJECT (image), "icon-size");
+
+ g_object_thaw_notify (G_OBJECT (image));
+}
+
+/**
+ * gtk_image_set_from_animation:
+ * @image: a #GtkImage
+ * @animation: the #GdkPixbufAnimation
+ *
+ * Causes the #GtkImage to display the given animation (or display
+ * nothing, if you set the animation to %NULL).
+ **/
+void
+gtk_image_set_from_animation (GtkImage *image,
+ GdkPixbufAnimation *animation)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+ g_return_if_fail (animation == NULL ||
+ GDK_IS_PIXBUF_ANIMATION (animation));
+
+ g_object_freeze_notify (G_OBJECT (image));
+
+ if (animation)
+ g_object_ref (animation);
+
+ gtk_image_clear (image);
+
+ if (animation != NULL)
+ {
+ image->storage_type = GTK_IMAGE_ANIMATION;
+
+ image->data.anim.anim = animation;
+ image->data.anim.frame_timeout = 0;
+ image->data.anim.iter = NULL;
- if (image->mask)
- {
- gdk_gc_set_clip_mask (widget->style->black_gc, NULL);
- gdk_gc_set_clip_origin (widget->style->black_gc, 0, 0);
- }
+ gtk_image_update_size (image,
+ gdk_pixbuf_animation_get_width (animation),
+ gdk_pixbuf_animation_get_height (animation));
}
- return FALSE;
+ g_object_notify (G_OBJECT (image), "pixbuf-animation");
+
+ g_object_thaw_notify (G_OBJECT (image));
+}
+
+/**
+ * gtk_image_set_from_icon_name:
+ * @image: a #GtkImage
+ * @icon_name: an icon name
+ * @size: an icon size
+ *
+ * See gtk_image_new_from_icon_name() for details.
+ *
+ * Since: 2.6
+ **/
+void
+gtk_image_set_from_icon_name (GtkImage *image,
+ const gchar *icon_name,
+ GtkIconSize size)
+{
+ gchar *new_name;
+
+ g_return_if_fail (GTK_IS_IMAGE (image));
+
+ g_object_freeze_notify (G_OBJECT (image));
+
+ /* in case icon_name == image->data.name.icon_name */
+ new_name = g_strdup (icon_name);
+
+ gtk_image_clear (image);
+
+ if (new_name)
+ {
+ image->storage_type = GTK_IMAGE_ICON_NAME;
+
+ image->data.name.icon_name = new_name;
+ image->icon_size = size;
+
+ /* Size is demand-computed in size request method
+ * if we're a icon theme image, since changing the
+ * style impacts the size request
+ */
+ }
+
+ g_object_notify (G_OBJECT (image), "icon-name");
+ g_object_notify (G_OBJECT (image), "icon-size");
+
+ g_object_thaw_notify (G_OBJECT (image));
}
+
+/**
+ * gtk_image_set_from_gicon:
+ * @image: a #GtkImage
+ * @icon: an icon
+ * @size: an icon size
+ *
+ * See gtk_image_new_from_gicon() for details.
+ *
+ * Since: 2.14
+ **/
+void
+gtk_image_set_from_gicon (GtkImage *image,
+ GIcon *icon,
+ GtkIconSize size)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+
+ g_object_freeze_notify (G_OBJECT (image));
+
+ /* in case icon == image->data.gicon.icon */
+ if (icon)
+ g_object_ref (icon);
+
+ gtk_image_clear (image);
+
+ if (icon)
+ {
+ image->storage_type = GTK_IMAGE_GICON;
+
+ image->data.gicon.icon = icon;
+ image->icon_size = size;
+
+ /* Size is demand-computed in size request method
+ * if we're a icon theme image, since changing the
+ * style impacts the size request
+ */
+ }
+
+ g_object_notify (G_OBJECT (image), "gicon");
+ g_object_notify (G_OBJECT (image), "icon-size");
+
+ g_object_thaw_notify (G_OBJECT (image));
+}
+
+/**
+ * gtk_image_get_storage_type:
+ * @image: a #GtkImage
+ *
+ * Gets the type of representation being used by the #GtkImage
+ * to store image data. If the #GtkImage has no image data,
+ * the return value will be %GTK_IMAGE_EMPTY.
+ *
+ * Return value: image representation being used
+ **/
+GtkImageType
+gtk_image_get_storage_type (GtkImage *image)
+{
+ g_return_val_if_fail (GTK_IS_IMAGE (image), GTK_IMAGE_EMPTY);
+
+ return image->storage_type;
+}
+
+/**
+ * gtk_image_get_pixmap:
+ * @image: a #GtkImage
+ * @pixmap: location to store the pixmap, or %NULL
+ * @mask: location to store the mask, or %NULL
+ *
+ * Gets the pixmap and mask being displayed by the #GtkImage.
+ * The storage type of the image must be %GTK_IMAGE_EMPTY or
+ * %GTK_IMAGE_PIXMAP (see gtk_image_get_storage_type()).
+ * The caller of this function does not own a reference to the
+ * returned pixmap and mask.
+ **/
+void
+gtk_image_get_pixmap (GtkImage *image,
+ GdkPixmap **pixmap,
+ GdkBitmap **mask)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+ g_return_if_fail (image->storage_type == GTK_IMAGE_PIXMAP ||
+ image->storage_type == GTK_IMAGE_EMPTY);
+
+ if (pixmap)
+ *pixmap = image->data.pixmap.pixmap;
+
+ if (mask)
+ *mask = image->mask;
+}
+
+/**
+ * gtk_image_get_image:
+ * @image: a #GtkImage
+ * @gdk_image: return location for a #GtkImage, or %NULL
+ * @mask: return location for a #GdkBitmap, or %NULL
+ *
+ * Gets the #GdkImage and mask being displayed by the #GtkImage.
+ * The storage type of the image must be %GTK_IMAGE_EMPTY or
+ * %GTK_IMAGE_IMAGE (see gtk_image_get_storage_type()).
+ * The caller of this function does not own a reference to the
+ * returned image and mask.
+ **/
+void
+gtk_image_get_image (GtkImage *image,
+ GdkImage **gdk_image,
+ GdkBitmap **mask)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+ g_return_if_fail (image->storage_type == GTK_IMAGE_IMAGE ||
+ image->storage_type == GTK_IMAGE_EMPTY);
+
+ if (gdk_image)
+ *gdk_image = image->data.image.image;
+
+ if (mask)
+ *mask = image->mask;
+}
+
+/**
+ * gtk_image_get_pixbuf:
+ * @image: a #GtkImage
+ *
+ * Gets the #GdkPixbuf being displayed by the #GtkImage.
+ * The storage type of the image must be %GTK_IMAGE_EMPTY or
+ * %GTK_IMAGE_PIXBUF (see gtk_image_get_storage_type()).
+ * The caller of this function does not own a reference to the
+ * returned pixbuf.
+ *
+ * Return value: the displayed pixbuf, or %NULL if the image is empty
+ **/
+GdkPixbuf*
+gtk_image_get_pixbuf (GtkImage *image)
+{
+ g_return_val_if_fail (GTK_IS_IMAGE (image), NULL);
+ g_return_val_if_fail (image->storage_type == GTK_IMAGE_PIXBUF ||
+ image->storage_type == GTK_IMAGE_EMPTY, NULL);
+
+ if (image->storage_type == GTK_IMAGE_EMPTY)
+ image->data.pixbuf.pixbuf = NULL;
+
+ return image->data.pixbuf.pixbuf;
+}
+
+/**
+ * gtk_image_get_stock:
+ * @image: a #GtkImage
+ * @stock_id: place to store a stock icon name, or %NULL
+ * @size: place to store a stock icon size, or %NULL
+ *
+ * Gets the stock icon name and size being displayed by the #GtkImage.
+ * The storage type of the image must be %GTK_IMAGE_EMPTY or
+ * %GTK_IMAGE_STOCK (see gtk_image_get_storage_type()).
+ * The returned string is owned by the #GtkImage and should not
+ * be freed.
+ **/
+void
+gtk_image_get_stock (GtkImage *image,
+ gchar **stock_id,
+ GtkIconSize *size)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+ g_return_if_fail (image->storage_type == GTK_IMAGE_STOCK ||
+ image->storage_type == GTK_IMAGE_EMPTY);
+
+ if (image->storage_type == GTK_IMAGE_EMPTY)
+ image->data.stock.stock_id = NULL;
+
+ if (stock_id)
+ *stock_id = image->data.stock.stock_id;
+
+ if (size)
+ *size = image->icon_size;
+}
+
+/**
+ * gtk_image_get_icon_set:
+ * @image: a #GtkImage
+ * @icon_set: location to store a #GtkIconSet, or %NULL
+ * @size: location to store a stock icon size, or %NULL
+ *
+ * Gets the icon set and size being displayed by the #GtkImage.
+ * The storage type of the image must be %GTK_IMAGE_EMPTY or
+ * %GTK_IMAGE_ICON_SET (see gtk_image_get_storage_type()).
+ **/
+void
+gtk_image_get_icon_set (GtkImage *image,
+ GtkIconSet **icon_set,
+ GtkIconSize *size)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+ g_return_if_fail (image->storage_type == GTK_IMAGE_ICON_SET ||
+ image->storage_type == GTK_IMAGE_EMPTY);
+
+ if (icon_set)
+ *icon_set = image->data.icon_set.icon_set;
+
+ if (size)
+ *size = image->icon_size;
+}
+
+/**
+ * gtk_image_get_animation:
+ * @image: a #GtkImage
+ *
+ * Gets the #GdkPixbufAnimation being displayed by the #GtkImage.
+ * The storage type of the image must be %GTK_IMAGE_EMPTY or
+ * %GTK_IMAGE_ANIMATION (see gtk_image_get_storage_type()).
+ * The caller of this function does not own a reference to the
+ * returned animation.
+ *
+ * Return value: the displayed animation, or %NULL if the image is empty
+ **/
+GdkPixbufAnimation*
+gtk_image_get_animation (GtkImage *image)
+{
+ g_return_val_if_fail (GTK_IS_IMAGE (image), NULL);
+ g_return_val_if_fail (image->storage_type == GTK_IMAGE_ANIMATION ||
+ image->storage_type == GTK_IMAGE_EMPTY,
+ NULL);
+
+ if (image->storage_type == GTK_IMAGE_EMPTY)
+ image->data.anim.anim = NULL;
+
+ return image->data.anim.anim;
+}
+
+/**
+ * gtk_image_get_icon_name:
+ * @image: a #GtkImage
+ * @icon_name: place to store an icon name, or %NULL
+ * @size: place to store an icon size, or %NULL
+ *
+ * Gets the icon name and size being displayed by the #GtkImage.
+ * The storage type of the image must be %GTK_IMAGE_EMPTY or
+ * %GTK_IMAGE_ICON_NAME (see gtk_image_get_storage_type()).
+ * The returned string is owned by the #GtkImage and should not
+ * be freed.
+ *
+ * Since: 2.6
+ **/
+void
+gtk_image_get_icon_name (GtkImage *image,
+ G_CONST_RETURN gchar **icon_name,
+ GtkIconSize *size)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+ g_return_if_fail (image->storage_type == GTK_IMAGE_ICON_NAME ||
+ image->storage_type == GTK_IMAGE_EMPTY);
+
+ if (image->storage_type == GTK_IMAGE_EMPTY)
+ image->data.name.icon_name = NULL;
+
+ if (icon_name)
+ *icon_name = image->data.name.icon_name;
+
+ if (size)
+ *size = image->icon_size;
+}
+
+/**
+ * gtk_image_get_gicon:
+ * @image: a #GtkImage
+ * @gicon: place to store a #GIcon, or %NULL
+ * @size: place to store an icon size, or %NULL
+ *
+ * Gets the #GIcon and size being displayed by the #GtkImage.
+ * The storage type of the image must be %GTK_IMAGE_EMPTY or
+ * %GTK_IMAGE_GICON (see gtk_image_get_storage_type()).
+ * The caller of this function does not own a reference to the
+ * returned #GIcon.
+ *
+ * Since: 2.14
+ **/
+void
+gtk_image_get_gicon (GtkImage *image,
+ GIcon **gicon,
+ GtkIconSize *size)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+ g_return_if_fail (image->storage_type == GTK_IMAGE_GICON ||
+ image->storage_type == GTK_IMAGE_EMPTY);
+
+ if (image->storage_type == GTK_IMAGE_EMPTY)
+ image->data.gicon.icon = NULL;
+
+ if (gicon)
+ *gicon = image->data.gicon.icon;
+
+ if (size)
+ *size = image->icon_size;
+}
+
+/**
+ * gtk_image_new:
+ *
+ * Creates a new empty #GtkImage widget.
+ *
+ * Return value: a newly created #GtkImage widget.
+ **/
+GtkWidget*
+gtk_image_new (void)
+{
+ return g_object_new (GTK_TYPE_IMAGE, NULL);
+}
+
+void
+gtk_image_set (GtkImage *image,
+ GdkImage *val,
+ GdkBitmap *mask)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+
+ gtk_image_set_from_image (image, val, mask);
+}
+
+void
+gtk_image_get (GtkImage *image,
+ GdkImage **val,
+ GdkBitmap **mask)
+{
+ g_return_if_fail (GTK_IS_IMAGE (image));
+
+ gtk_image_get_image (image, val, mask);
+}
+
+static void
+gtk_image_reset_anim_iter (GtkImage *image)
+{
+ if (image->storage_type == GTK_IMAGE_ANIMATION)
+ {
+ /* Reset the animation */
+
+ if (image->data.anim.frame_timeout)
+ {
+ g_source_remove (image->data.anim.frame_timeout);
+ image->data.anim.frame_timeout = 0;
+ }
+
+ if (image->data.anim.iter)
+ {
+ g_object_unref (image->data.anim.iter);
+ image->data.anim.iter = NULL;
+ }
+ }
+}
+
+static void
+gtk_image_unmap (GtkWidget *widget)
+{
+ gtk_image_reset_anim_iter (GTK_IMAGE (widget));
+
+ GTK_WIDGET_CLASS (gtk_image_parent_class)->unmap (widget);
+}
+
+static void
+gtk_image_unrealize (GtkWidget *widget)
+{
+ gtk_image_reset_anim_iter (GTK_IMAGE (widget));
+
+ GTK_WIDGET_CLASS (gtk_image_parent_class)->unrealize (widget);
+}
+
+static gint
+animation_timeout (gpointer data)
+{
+ GtkImage *image;
+ int delay;
+
+ image = GTK_IMAGE (data);
+
+ image->data.anim.frame_timeout = 0;
+
+ gdk_pixbuf_animation_iter_advance (image->data.anim.iter, NULL);
+
+ delay = gdk_pixbuf_animation_iter_get_delay_time (image->data.anim.iter);
+ if (delay >= 0)
+ {
+ image->data.anim.frame_timeout =
+ gdk_threads_add_timeout (delay, animation_timeout, image);
+
+ gtk_widget_queue_draw (GTK_WIDGET (image));
+
+ if (GTK_WIDGET_DRAWABLE (image))
+ gdk_window_process_updates (GTK_WIDGET (image)->window, TRUE);
+ }
+
+ return FALSE;
+}
+
+static void
+icon_theme_changed (GtkImage *image)
+{
+ if (image->storage_type == GTK_IMAGE_ICON_NAME)
+ {
+ if (image->data.name.pixbuf)
+ g_object_unref (image->data.name.pixbuf);
+ image->data.name.pixbuf = NULL;
+
+ gtk_widget_queue_draw (GTK_WIDGET (image));
+ }
+ if (image->storage_type == GTK_IMAGE_GICON)
+ {
+ if (image->data.gicon.pixbuf)
+ g_object_unref (image->data.gicon.pixbuf);
+ image->data.gicon.pixbuf = NULL;
+
+ gtk_widget_queue_draw (GTK_WIDGET (image));
+ }
+}
+
+static void
+ensure_pixbuf_for_icon_name (GtkImage *image)
+{
+ GtkImagePrivate *priv;
+ GdkScreen *screen;
+ GtkIconTheme *icon_theme;
+ GtkSettings *settings;
+ gint width, height;
+ gint *sizes, *s, dist;
+ GtkIconLookupFlags flags;
+ GError *error = NULL;
+
+ g_return_if_fail (image->storage_type == GTK_IMAGE_ICON_NAME);
+
+ priv = GTK_IMAGE_GET_PRIVATE (image);
+ screen = gtk_widget_get_screen (GTK_WIDGET (image));
+ icon_theme = gtk_icon_theme_get_for_screen (screen);
+ settings = gtk_settings_get_for_screen (screen);
+ flags = GTK_ICON_LOOKUP_USE_BUILTIN;
+ if (image->data.name.pixbuf == NULL)
+ {
+ if (priv->pixel_size != -1)
+ {
+ width = height = priv->pixel_size;
+ flags |= GTK_ICON_LOOKUP_FORCE_SIZE;
+ }
+ else if (!gtk_icon_size_lookup_for_settings (settings,
+ image->icon_size,
+ &width, &height))
+ {
+ if (image->icon_size == -1)
+ {
+ /* Find an available size close to 48 */
+ sizes = gtk_icon_theme_get_icon_sizes (icon_theme, image->data.name.icon_name);
+ dist = 100;
+ width = height = 48;
+ for (s = sizes; *s; s++)
+ {
+ if (*s == -1)
+ {
+ width = height = 48;
+ break;
+ }
+ if (*s < 48)
+ {
+ if (48 - *s < dist)
+ {
+ width = height = *s;
+ dist = 48 - *s;
+ }
+ }
+ else
+ {
+ if (*s - 48 < dist)
+ {
+ width = height = *s;
+ dist = *s - 48;
+ }
+ }
+ }
+ g_free (sizes);
+ }
+ else
+ {
+ g_warning ("Invalid icon size %d\n", image->icon_size);
+ width = height = 24;
+ }
+ }
+ image->data.name.pixbuf =
+ gtk_icon_theme_load_icon (icon_theme,
+ image->data.name.icon_name,
+ MIN (width, height), flags, &error);
+ if (image->data.name.pixbuf == NULL)
+ {
+ g_error_free (error);
+ image->data.name.pixbuf =
+ gtk_widget_render_icon (GTK_WIDGET (image),
+ GTK_STOCK_MISSING_IMAGE,
+ image->icon_size,
+ NULL);
+ }
+ }
+}
+
+static void
+ensure_pixbuf_for_gicon (GtkImage *image)
+{
+ GtkImagePrivate *priv;
+ GdkScreen *screen;
+ GtkIconTheme *icon_theme;
+ GtkSettings *settings;
+ gint width, height;
+ GtkIconInfo *info;
+ GtkIconLookupFlags flags;
+
+ g_return_if_fail (image->storage_type == GTK_IMAGE_GICON);
+
+ priv = GTK_IMAGE_GET_PRIVATE (image);
+ screen = gtk_widget_get_screen (GTK_WIDGET (image));
+ icon_theme = gtk_icon_theme_get_for_screen (screen);
+ settings = gtk_settings_get_for_screen (screen);
+ flags = GTK_ICON_LOOKUP_USE_BUILTIN;
+ if (image->data.gicon.pixbuf == NULL)
+ {
+ if (priv->pixel_size != -1)
+ {
+ width = height = priv->pixel_size;
+ flags |= GTK_ICON_LOOKUP_FORCE_SIZE;
+ }
+ else if (!gtk_icon_size_lookup_for_settings (settings,
+ image->icon_size,
+ &width, &height))
+ {
+ if (image->icon_size == -1)
+ width = height = 48;
+ else
+ {
+ g_warning ("Invalid icon size %d\n", image->icon_size);
+ width = height = 24;
+ }
+ }
+
+ info = gtk_icon_theme_lookup_by_gicon (icon_theme,
+ image->data.gicon.icon,
+ MIN (width, height), flags);
+ if (info)
+ {
+ image->data.gicon.pixbuf = gtk_icon_info_load_icon (info, NULL);
+ gtk_icon_info_free (info);
+ }
+
+ if (image->data.gicon.pixbuf == NULL)
+ {
+ image->data.gicon.pixbuf =
+ gtk_widget_render_icon (GTK_WIDGET (image),
+ GTK_STOCK_MISSING_IMAGE,
+ image->icon_size,
+ NULL);
+ }
+ }
+}
+
+
+/*
+ * Like gdk_rectangle_intersect (dest, src, dest), but make
+ * sure that the origin of dest is moved by an "even" offset.
+ * If necessary grow the intersection by one row or column
+ * to achieve this.
+ *
+ * This is necessary since we can't pass alignment information
+ * for the pixelation pattern down to gdk_pixbuf_saturate_and_pixelate(),
+ * thus we have to makesure that the subimages are properly aligned.
+ */
+static gboolean
+rectangle_intersect_even (GdkRectangle *src,
+ GdkRectangle *dest)
+{
+ gboolean isect;
+ gint x, y;
+
+ x = dest->x;
+ y = dest->y;
+ isect = gdk_rectangle_intersect (dest, src, dest);
+
+ if ((dest->x - x + dest->y - y) % 2 != 0)
+ {
+ if (dest->x > x)
+ {
+ dest->x--;
+ dest->width++;
+ }
+ else
+ {
+ dest->y--;
+ dest->height++;
+ }
+ }
+
+ return isect;
+}
+
+static gint
+gtk_image_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ g_return_val_if_fail (GTK_IS_IMAGE (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ if (GTK_WIDGET_MAPPED (widget) &&
+ GTK_IMAGE (widget)->storage_type != GTK_IMAGE_EMPTY)
+ {
+ GtkImage *image;
+ GtkMisc *misc;
+ GdkRectangle area, image_bound;
+ gfloat xalign;
+ gint x, y, mask_x, mask_y;
+ GdkBitmap *mask;
+ GdkPixbuf *pixbuf;
+ gboolean needs_state_transform;
+
+ image = GTK_IMAGE (widget);
+ misc = GTK_MISC (widget);
+
+ area = event->area;
+
+ /* For stock items and icon sets, we lazily calculate
+ * the size; we might get here between a queue_resize()
+ * and size_request() if something explicitely forces
+ * a redraw.
+ */
+ if (widget->requisition.width == 0 && widget->requisition.height == 0)
+ gtk_image_calc_size (image);
+
+ if (!gdk_rectangle_intersect (&area, &widget->allocation, &area))
+ return FALSE;
+
+ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
+ xalign = misc->xalign;
+ else
+ xalign = 1.0 - misc->xalign;
+
+ x = floor (widget->allocation.x + misc->xpad
+ + ((widget->allocation.width - widget->requisition.width) * xalign));
+ y = floor (widget->allocation.y + misc->ypad
+ + ((widget->allocation.height - widget->requisition.height) * misc->yalign));
+ mask_x = x;
+ mask_y = y;
+
+ image_bound.x = x;
+ image_bound.y = y;
+ image_bound.width = 0;
+ image_bound.height = 0;
+
+ mask = NULL;
+ pixbuf = NULL;
+ needs_state_transform = GTK_WIDGET_STATE (widget) != GTK_STATE_NORMAL;
+
+ switch (image->storage_type)
+ {
+ case GTK_IMAGE_PIXMAP:
+ mask = image->mask;
+ gdk_drawable_get_size (image->data.pixmap.pixmap,
+ &image_bound.width,
+ &image_bound.height);
+ if (rectangle_intersect_even (&area, &image_bound) &&
+ needs_state_transform)
+ {
+ pixbuf = gdk_pixbuf_get_from_drawable (NULL,
+ image->data.pixmap.pixmap,
+ gtk_widget_get_colormap (widget),
+ image_bound.x - x, image_bound.y - y,
+ 0, 0,
+ image_bound.width,
+ image_bound.height);
+
+ x = image_bound.x;
+ y = image_bound.y;
+ }
+
+ break;
+
+ case GTK_IMAGE_IMAGE:
+ mask = image->mask;
+ image_bound.width = image->data.image.image->width;
+ image_bound.height = image->data.image.image->height;
+
+ if (rectangle_intersect_even (&area, &image_bound) &&
+ needs_state_transform)
+ {
+ pixbuf = gdk_pixbuf_get_from_image (NULL,
+ image->data.image.image,
+ gtk_widget_get_colormap (widget),
+ image_bound.x - x, image_bound.y - y,
+ 0, 0,
+ image_bound.width,
+ image_bound.height);
+
+ x = image_bound.x;
+ y = image_bound.y;
+ }
+ break;
+
+ case GTK_IMAGE_PIXBUF:
+ image_bound.width = gdk_pixbuf_get_width (image->data.pixbuf.pixbuf);
+ image_bound.height = gdk_pixbuf_get_height (image->data.pixbuf.pixbuf);
+
+ if (rectangle_intersect_even (&area, &image_bound) &&
+ needs_state_transform)
+ {
+ pixbuf = gdk_pixbuf_new_subpixbuf (image->data.pixbuf.pixbuf,
+ image_bound.x - x, image_bound.y - y,
+ image_bound.width, image_bound.height);
+
+ x = image_bound.x;
+ y = image_bound.y;
+ }
+ else
+ {
+ pixbuf = image->data.pixbuf.pixbuf;
+ g_object_ref (pixbuf);
+ }
+ break;
+
+ case GTK_IMAGE_STOCK:
+ pixbuf = gtk_widget_render_icon (widget,
+ image->data.stock.stock_id,
+ image->icon_size,
+ NULL);
+ if (pixbuf)
+ {
+ image_bound.width = gdk_pixbuf_get_width (pixbuf);
+ image_bound.height = gdk_pixbuf_get_height (pixbuf);
+ }
+
+ /* already done */
+ needs_state_transform = FALSE;
+ break;
+
+ case GTK_IMAGE_ICON_SET:
+ pixbuf =
+ gtk_icon_set_render_icon (image->data.icon_set.icon_set,
+ widget->style,
+ gtk_widget_get_direction (widget),
+ GTK_WIDGET_STATE (widget),
+ image->icon_size,
+ widget,
+ NULL);
+
+ if (pixbuf)
+ {
+ image_bound.width = gdk_pixbuf_get_width (pixbuf);
+ image_bound.height = gdk_pixbuf_get_height (pixbuf);
+ }
+
+ /* already done */
+ needs_state_transform = FALSE;
+ break;
+
+ case GTK_IMAGE_ANIMATION:
+ {
+ if (image->data.anim.iter == NULL)
+ {
+ image->data.anim.iter = gdk_pixbuf_animation_get_iter (image->data.anim.anim, NULL);
+
+ if (gdk_pixbuf_animation_iter_get_delay_time (image->data.anim.iter) >= 0)
+ image->data.anim.frame_timeout =
+ gdk_threads_add_timeout (gdk_pixbuf_animation_iter_get_delay_time (image->data.anim.iter),
+ animation_timeout,
+ image);
+ }
+
+ image_bound.width = gdk_pixbuf_animation_get_width (image->data.anim.anim);
+ image_bound.height = gdk_pixbuf_animation_get_height (image->data.anim.anim);
+
+ /* don't advance the anim iter here, or we could get frame changes between two
+ * exposes of different areas.
+ */
+
+ pixbuf = gdk_pixbuf_animation_iter_get_pixbuf (image->data.anim.iter);
+ g_object_ref (pixbuf);
+ }
+ break;
+
+ case GTK_IMAGE_ICON_NAME:
+ ensure_pixbuf_for_icon_name (image);
+ pixbuf = image->data.name.pixbuf;
+ if (pixbuf)
+ {
+ g_object_ref (pixbuf);
+ image_bound.width = gdk_pixbuf_get_width (pixbuf);
+ image_bound.height = gdk_pixbuf_get_height (pixbuf);
+ }
+ break;
+
+ case GTK_IMAGE_GICON:
+ ensure_pixbuf_for_gicon (image);
+ pixbuf = image->data.gicon.pixbuf;
+ if (pixbuf)
+ {
+ g_object_ref (pixbuf);
+ image_bound.width = gdk_pixbuf_get_width (pixbuf);
+ image_bound.height = gdk_pixbuf_get_height (pixbuf);
+ }
+ break;
+
+ case GTK_IMAGE_EMPTY:
+ g_assert_not_reached ();
+ break;
+ }
+
+ if (mask)
+ {
+ gdk_gc_set_clip_mask (widget->style->black_gc, mask);
+ gdk_gc_set_clip_origin (widget->style->black_gc, mask_x, mask_y);
+ }
+
+ if (rectangle_intersect_even (&area, &image_bound))
+ {
+ if (pixbuf)
+ {
+ if (needs_state_transform)
+ {
+ GtkIconSource *source;
+ GdkPixbuf *rendered;
+
+ source = gtk_icon_source_new ();
+ gtk_icon_source_set_pixbuf (source, pixbuf);
+ /* The size here is arbitrary; since size isn't
+ * wildcarded in the souce, 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);
+
+ rendered = gtk_style_render_icon (widget->style,
+ source,
+ gtk_widget_get_direction (widget),
+ GTK_WIDGET_STATE (widget),
+ /* arbitrary */
+ (GtkIconSize)-1,
+ widget,
+ "gtk-image");
+
+ gtk_icon_source_free (source);
+
+ g_object_unref (pixbuf);
+ pixbuf = rendered;
+ }
+
+ if (pixbuf)
+ {
+ gdk_draw_pixbuf (widget->window,
+ widget->style->black_gc,
+ pixbuf,
+ image_bound.x - x,
+ image_bound.y - y,
+ image_bound.x,
+ image_bound.y,
+ image_bound.width,
+ image_bound.height,
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
+ }
+ }
+ else
+ {
+ switch (image->storage_type)
+ {
+ case GTK_IMAGE_PIXMAP:
+ gdk_draw_drawable (widget->window,
+ widget->style->black_gc,
+ image->data.pixmap.pixmap,
+ image_bound.x - x, image_bound.y - y,
+ image_bound.x, image_bound.y,
+ image_bound.width, image_bound.height);
+ break;
+
+ case GTK_IMAGE_IMAGE:
+ gdk_draw_image (widget->window,
+ widget->style->black_gc,
+ image->data.image.image,
+ image_bound.x - x, image_bound.y - y,
+ image_bound.x, image_bound.y,
+ image_bound.width, image_bound.height);
+ break;
+
+ case GTK_IMAGE_PIXBUF:
+ case GTK_IMAGE_STOCK:
+ case GTK_IMAGE_ICON_SET:
+ case GTK_IMAGE_ANIMATION:
+ case GTK_IMAGE_ICON_NAME:
+ case GTK_IMAGE_EMPTY:
+ case GTK_IMAGE_GICON:
+ g_assert_not_reached ();
+ break;
+ }
+ }
+ } /* if rectangle intersects */
+
+ if (mask)
+ {
+ gdk_gc_set_clip_mask (widget->style->black_gc, NULL);
+ gdk_gc_set_clip_origin (widget->style->black_gc, 0, 0);
+ }
+
+ if (pixbuf)
+ g_object_unref (pixbuf);
+
+ } /* if widget is drawable */
+
+ return FALSE;
+}
+
+static void
+gtk_image_reset (GtkImage *image)
+{
+ GtkImagePrivate *priv;
+
+ priv = GTK_IMAGE_GET_PRIVATE (image);
+
+ g_object_freeze_notify (G_OBJECT (image));
+
+ if (image->storage_type != GTK_IMAGE_EMPTY)
+ g_object_notify (G_OBJECT (image), "storage-type");
+
+ if (image->mask)
+ {
+ g_object_unref (image->mask);
+ image->mask = NULL;
+ g_object_notify (G_OBJECT (image), "mask");
+ }
+
+ if (image->icon_size != DEFAULT_ICON_SIZE)
+ {
+ image->icon_size = DEFAULT_ICON_SIZE;
+ g_object_notify (G_OBJECT (image), "icon-size");
+ }
+
+ switch (image->storage_type)
+ {
+ case GTK_IMAGE_PIXMAP:
+
+ if (image->data.pixmap.pixmap)
+ g_object_unref (image->data.pixmap.pixmap);
+ image->data.pixmap.pixmap = NULL;
+
+ g_object_notify (G_OBJECT (image), "pixmap");
+
+ break;
+
+ case GTK_IMAGE_IMAGE:
+
+ if (image->data.image.image)
+ g_object_unref (image->data.image.image);
+ image->data.image.image = NULL;
+
+ g_object_notify (G_OBJECT (image), "image");
+
+ break;
+
+ case GTK_IMAGE_PIXBUF:
+
+ if (image->data.pixbuf.pixbuf)
+ g_object_unref (image->data.pixbuf.pixbuf);
+
+ g_object_notify (G_OBJECT (image), "pixbuf");
+
+ break;
+
+ case GTK_IMAGE_STOCK:
+
+ g_free (image->data.stock.stock_id);
+
+ image->data.stock.stock_id = NULL;
+
+ g_object_notify (G_OBJECT (image), "stock");
+ break;
+
+ case GTK_IMAGE_ICON_SET:
+ if (image->data.icon_set.icon_set)
+ gtk_icon_set_unref (image->data.icon_set.icon_set);
+ image->data.icon_set.icon_set = NULL;
+
+ g_object_notify (G_OBJECT (image), "icon-set");
+ break;
+
+ case GTK_IMAGE_ANIMATION:
+ gtk_image_reset_anim_iter (image);
+
+ if (image->data.anim.anim)
+ g_object_unref (image->data.anim.anim);
+ image->data.anim.anim = NULL;
+
+ g_object_notify (G_OBJECT (image), "pixbuf-animation");
+
+ break;
+
+ case GTK_IMAGE_ICON_NAME:
+ g_free (image->data.name.icon_name);
+ image->data.name.icon_name = NULL;
+ if (image->data.name.pixbuf)
+ g_object_unref (image->data.name.pixbuf);
+ image->data.name.pixbuf = NULL;
+
+ g_object_notify (G_OBJECT (image), "icon-name");
+
+ break;
+
+ case GTK_IMAGE_GICON:
+ if (image->data.gicon.icon)
+ g_object_unref (image->data.gicon.icon);
+ image->data.gicon.icon = NULL;
+ if (image->data.gicon.pixbuf)
+ g_object_unref (image->data.gicon.pixbuf);
+ image->data.gicon.pixbuf = NULL;
+
+ g_object_notify (G_OBJECT (image), "gicon");
+
+ break;
+
+ case GTK_IMAGE_EMPTY:
+ default:
+ break;
+
+ }
+
+ if (priv->filename)
+ {
+ g_free (priv->filename);
+ priv->filename = NULL;
+ g_object_notify (G_OBJECT (image), "file");
+ }
+
+ image->storage_type = GTK_IMAGE_EMPTY;
+
+ memset (&image->data, '\0', sizeof (image->data));
+
+ g_object_thaw_notify (G_OBJECT (image));
+}
+
+/**
+ * gtk_image_clear:
+ * @image: a #GtkImage
+ *
+ * Resets the image to be empty.
+ *
+ * Since: 2.8
+ */
+void
+gtk_image_clear (GtkImage *image)
+{
+ gtk_image_reset (image);
+
+ gtk_image_update_size (image, 0, 0);
+}
+
+static void
+gtk_image_calc_size (GtkImage *image)
+{
+ GtkWidget *widget = GTK_WIDGET (image);
+ GdkPixbuf *pixbuf = NULL;
+
+ /* We update stock/icon set on every size request, because
+ * the theme could have affected the size; for other kinds of
+ * image, we just update the requisition when the image data
+ * is set.
+ */
+ switch (image->storage_type)
+ {
+ case GTK_IMAGE_STOCK:
+ pixbuf = gtk_widget_render_icon (widget,
+ image->data.stock.stock_id,
+ image->icon_size,
+ NULL);
+ break;
+
+ case GTK_IMAGE_ICON_SET:
+ pixbuf = gtk_icon_set_render_icon (image->data.icon_set.icon_set,
+ widget->style,
+ gtk_widget_get_direction (widget),
+ GTK_WIDGET_STATE (widget),
+ image->icon_size,
+ widget,
+ NULL);
+ break;
+ case GTK_IMAGE_ICON_NAME:
+ ensure_pixbuf_for_icon_name (image);
+ pixbuf = image->data.name.pixbuf;
+ if (pixbuf) g_object_ref (pixbuf);
+ break;
+ case GTK_IMAGE_GICON:
+ ensure_pixbuf_for_gicon (image);
+ pixbuf = image->data.gicon.pixbuf;
+ if (pixbuf)
+ g_object_ref (pixbuf);
+ break;
+ default:
+ break;
+ }
+
+ if (pixbuf)
+ {
+ widget->requisition.width = gdk_pixbuf_get_width (pixbuf) + GTK_MISC (image)->xpad * 2;
+ widget->requisition.height = gdk_pixbuf_get_height (pixbuf) + GTK_MISC (image)->ypad * 2;
+
+ g_object_unref (pixbuf);
+ }
+}
+
+static void
+gtk_image_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ GtkImage *image;
+
+ image = GTK_IMAGE (widget);
+
+ gtk_image_calc_size (image);
+
+ /* Chain up to default that simply reads current requisition */
+ GTK_WIDGET_CLASS (gtk_image_parent_class)->size_request (widget, requisition);
+}
+
+static void
+gtk_image_style_set (GtkWidget *widget,
+ GtkStyle *prev_style)
+{
+ GtkImage *image;
+
+ image = GTK_IMAGE (widget);
+
+ GTK_WIDGET_CLASS (gtk_image_parent_class)->style_set (widget, prev_style);
+
+ icon_theme_changed (image);
+}
+
+static void
+gtk_image_screen_changed (GtkWidget *widget,
+ GdkScreen *prev_screen)
+{
+ GtkImage *image;
+
+ image = GTK_IMAGE (widget);
+
+ if (GTK_WIDGET_CLASS (gtk_image_parent_class)->screen_changed)
+ GTK_WIDGET_CLASS (gtk_image_parent_class)->screen_changed (widget, prev_screen);
+
+ icon_theme_changed (image);
+}
+
+
+static void
+gtk_image_update_size (GtkImage *image,
+ gint image_width,
+ gint image_height)
+{
+ GTK_WIDGET (image)->requisition.width = image_width + GTK_MISC (image)->xpad * 2;
+ GTK_WIDGET (image)->requisition.height = image_height + GTK_MISC (image)->ypad * 2;
+
+ if (GTK_WIDGET_VISIBLE (image))
+ gtk_widget_queue_resize (GTK_WIDGET (image));
+}
+
+
+/**
+ * gtk_image_set_pixel_size:
+ * @image: a #GtkImage
+ * @pixel_size: the new pixel size
+ *
+ * Sets the pixel size to use for named icons. If the pixel size is set
+ * to a value != -1, it is used instead of the icon size set by
+ * gtk_image_set_from_icon_name().
+ *
+ * Since: 2.6
+ */
+void
+gtk_image_set_pixel_size (GtkImage *image,
+ gint pixel_size)
+{
+ GtkImagePrivate *priv;
+
+ g_return_if_fail (GTK_IS_IMAGE (image));
+
+ priv = GTK_IMAGE_GET_PRIVATE (image);
+
+ if (priv->pixel_size != pixel_size)
+ {
+ priv->pixel_size = pixel_size;
+
+ if (image->storage_type == GTK_IMAGE_ICON_NAME)
+ {
+ if (image->data.name.pixbuf)
+ {
+ g_object_unref (image->data.name.pixbuf);
+ image->data.name.pixbuf = NULL;
+ }
+
+ gtk_image_update_size (image, pixel_size, pixel_size);
+ }
+
+ if (image->storage_type == GTK_IMAGE_GICON)
+ {
+ if (image->data.gicon.pixbuf)
+ {
+ g_object_unref (image->data.gicon.pixbuf);
+ image->data.gicon.pixbuf = NULL;
+ }
+
+ gtk_image_update_size (image, pixel_size, pixel_size);
+ }
+
+ g_object_notify (G_OBJECT (image), "pixel-size");
+ }
+}
+
+/**
+ * gtk_image_get_pixel_size:
+ * @image: a #GtkImage
+ *
+ * Gets the pixel size used for named icons.
+ *
+ * Returns: the pixel size used for named icons.
+ *
+ * Since: 2.6
+ */
+gint
+gtk_image_get_pixel_size (GtkImage *image)
+{
+ GtkImagePrivate *priv;
+
+ g_return_val_if_fail (GTK_IS_IMAGE (image), -1);
+
+ priv = GTK_IMAGE_GET_PRIVATE (image);
+
+ return priv->pixel_size;
+}
+
+#if defined (G_OS_WIN32) && !defined (_WIN64)
+
+#undef gtk_image_new_from_file
+
+GtkWidget*
+gtk_image_new_from_file (const gchar *filename)
+{
+ gchar *utf8_filename = g_locale_to_utf8 (filename, -1, NULL, NULL, NULL);
+ GtkWidget *retval;
+
+ retval = gtk_image_new_from_file_utf8 (utf8_filename);
+
+ g_free (utf8_filename);
+
+ return retval;
+}
+
+#undef gtk_image_set_from_file
+
+void
+gtk_image_set_from_file (GtkImage *image,
+ const gchar *filename)
+{
+ gchar *utf8_filename = g_locale_to_utf8 (filename, -1, NULL, NULL, NULL);
+
+ gtk_image_set_from_file_utf8 (image, utf8_filename);
+
+ g_free (utf8_filename);
+}
+
+#endif
+
+#define __GTK_IMAGE_C__
+#include "gtkaliasdef.c"