2582 lines
75 KiB
C
2582 lines
75 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include <math.h>
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#include <string.h>
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#include "gtkcontainer.h"
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#include "gtkimage.h"
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#include "gtkiconfactory.h"
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#include "gtkstock.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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#include "gtkalias.h"
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/**
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* SECTION:gtkimage
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* @Short_description: A widget displaying an image
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* @Title: GtkImage
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* @See_also:#GdkPixbuf
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*
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* The #GtkImage widget displays an image. Various kinds of object
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* can be displayed as an image; most typically, you would load a
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* #GdkPixbuf ("pixel buffer") from a file, and then display that.
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* There's a convenience function to do this, gtk_image_new_from_file(),
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* used as follows:
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* <informalexample><programlisting>
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* GtkWidget *image;
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* image = gtk_image_new_from_file ("myfile.png");
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* </programlisting></informalexample>
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* If the file isn't loaded successfully, the image will contain a
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* "broken image" icon similar to that used in many web browsers.
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* If you want to handle errors in loading the file yourself,
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* for example by displaying an error message, then load the image with
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* gdk_pixbuf_new_from_file(), then create the #GtkImage with
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* gtk_image_new_from_pixbuf().
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*
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* The image file may contain an animation, if so the #GtkImage will
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* display an animation (#GdkPixbufAnimation) instead of a static image.
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*
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* #GtkImage is a subclass of #GtkMisc, which implies that you can
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* align it (center, left, right) and add padding to it, using
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* #GtkMisc methods.
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*
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* #GtkImage is a "no window" widget (has no #GdkWindow of its own),
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* so by default does not receive events. If you want to receive events
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* on the image, such as button clicks, place the image inside a
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* #GtkEventBox, then connect to the event signals on the event box.
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* <example>
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* <title>Handling button press events on a
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* <structname>GtkImage</structname>.</title>
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* <programlisting>
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* static gboolean
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* button_press_callback (GtkWidget *event_box,
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* GdkEventButton *event,
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* gpointer data)
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* {
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* g_print ("Event box clicked at coordinates %f,%f\n",
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* event->x, event->y);
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*
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* /<!---->* Returning TRUE means we handled the event, so the signal
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* * emission should be stopped (don't call any further
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* * callbacks that may be connected). Return FALSE
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* * to continue invoking callbacks.
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* *<!---->/
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* return TRUE;
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* }
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*
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* static GtkWidget*
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* create_image (void)
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* {
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* GtkWidget *image;
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* GtkWidget *event_box;
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*
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* image = gtk_image_new_from_file ("myfile.png");
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*
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* event_box = gtk_event_box_new (<!-- -->);
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*
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* gtk_container_add (GTK_CONTAINER (event_box), image);
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*
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* g_signal_connect (G_OBJECT (event_box),
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* "button_press_event",
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* G_CALLBACK (button_press_callback),
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* image);
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*
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* return image;
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* }
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* </programlisting>
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* </example>
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*
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* When handling events on the event box, keep in mind that coordinates
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* in the image may be different from event box coordinates due to
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* the alignment and padding settings on the image (see #GtkMisc).
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* The simplest way to solve this is to set the alignment to 0.0
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* (left/top), and set the padding to zero. Then the origin of
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* the image will be the same as the origin of the event box.
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*
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* Sometimes an application will want to avoid depending on external data
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* files, such as image files. GTK+ comes with a program to avoid this,
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* called <application>gdk-pixbuf-csource</application>. This program
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* allows you to convert an image into a C variable declaration, which
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* can then be loaded into a #GdkPixbuf using
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* gdk_pixbuf_new_from_inline().
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*/
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typedef struct _GtkImagePrivate GtkImagePrivate;
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struct _GtkImagePrivate
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{
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/* Only used with GTK_IMAGE_ANIMATION, GTK_IMAGE_PIXBUF */
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gchar *filename;
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/* a GtkStateType, with -1 meaning an invalid state,
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* only used with GTK_IMAGE_GICON, GTK_IMAGE_ICON_NAME */
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gint last_rendered_state;
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gboolean was_symbolic;
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gint pixel_size;
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guint need_calc_size : 1;
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};
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#define GTK_IMAGE_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_IMAGE, GtkImagePrivate))
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#define DEFAULT_ICON_SIZE GTK_ICON_SIZE_BUTTON
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static gint gtk_image_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static void gtk_image_unmap (GtkWidget *widget);
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static void gtk_image_unrealize (GtkWidget *widget);
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static void gtk_image_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_image_style_set (GtkWidget *widget,
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GtkStyle *prev_style);
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static void gtk_image_screen_changed (GtkWidget *widget,
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GdkScreen *prev_screen);
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static void gtk_image_destroy (GtkObject *object);
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static void gtk_image_reset (GtkImage *image);
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static void gtk_image_calc_size (GtkImage *image);
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static void gtk_image_update_size (GtkImage *image,
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gint image_width,
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gint image_height);
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static void gtk_image_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_image_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static void icon_theme_changed (GtkImage *image);
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enum
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{
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PROP_0,
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PROP_PIXBUF,
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PROP_PIXMAP,
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PROP_IMAGE,
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PROP_MASK,
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PROP_FILE,
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PROP_STOCK,
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PROP_ICON_SET,
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PROP_ICON_SIZE,
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PROP_PIXEL_SIZE,
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PROP_PIXBUF_ANIMATION,
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PROP_ICON_NAME,
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PROP_STORAGE_TYPE,
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PROP_GICON
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};
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G_DEFINE_TYPE (GtkImage, gtk_image, GTK_TYPE_MISC)
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static void
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gtk_image_class_init (GtkImageClass *class)
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{
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GObjectClass *gobject_class;
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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gobject_class = G_OBJECT_CLASS (class);
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gobject_class->set_property = gtk_image_set_property;
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gobject_class->get_property = gtk_image_get_property;
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object_class = GTK_OBJECT_CLASS (class);
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object_class->destroy = gtk_image_destroy;
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widget_class = GTK_WIDGET_CLASS (class);
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widget_class->expose_event = gtk_image_expose;
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widget_class->size_request = gtk_image_size_request;
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widget_class->unmap = gtk_image_unmap;
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widget_class->unrealize = gtk_image_unrealize;
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widget_class->style_set = gtk_image_style_set;
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widget_class->screen_changed = gtk_image_screen_changed;
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g_object_class_install_property (gobject_class,
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PROP_PIXBUF,
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g_param_spec_object ("pixbuf",
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P_("Pixbuf"),
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P_("A GdkPixbuf to display"),
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GDK_TYPE_PIXBUF,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_PIXMAP,
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g_param_spec_object ("pixmap",
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P_("Pixmap"),
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P_("A GdkPixmap to display"),
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GDK_TYPE_PIXMAP,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_IMAGE,
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g_param_spec_object ("image",
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P_("Image"),
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P_("A GdkImage to display"),
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GDK_TYPE_IMAGE,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_MASK,
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g_param_spec_object ("mask",
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P_("Mask"),
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P_("Mask bitmap to use with GdkImage or GdkPixmap"),
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GDK_TYPE_PIXMAP,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_FILE,
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g_param_spec_string ("file",
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P_("Filename"),
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P_("Filename to load and display"),
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NULL,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_STOCK,
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g_param_spec_string ("stock",
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P_("Stock ID"),
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P_("Stock ID for a stock image to display"),
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NULL,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_ICON_SET,
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g_param_spec_boxed ("icon-set",
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P_("Icon set"),
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P_("Icon set to display"),
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GTK_TYPE_ICON_SET,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_ICON_SIZE,
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g_param_spec_int ("icon-size",
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P_("Icon size"),
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P_("Symbolic size to use for stock icon, icon set or named icon"),
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0, G_MAXINT,
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DEFAULT_ICON_SIZE,
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GTK_PARAM_READWRITE));
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/**
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* GtkImage:pixel-size:
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*
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* The "pixel-size" property can be used to specify a fixed size
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* overriding the #GtkImage:icon-size property for images of type
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* %GTK_IMAGE_ICON_NAME.
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*
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* Since: 2.6
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*/
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g_object_class_install_property (gobject_class,
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PROP_PIXEL_SIZE,
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g_param_spec_int ("pixel-size",
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P_("Pixel size"),
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P_("Pixel size to use for named icon"),
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-1, G_MAXINT,
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-1,
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GTK_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_PIXBUF_ANIMATION,
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g_param_spec_object ("pixbuf-animation",
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P_("Animation"),
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P_("GdkPixbufAnimation to display"),
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GDK_TYPE_PIXBUF_ANIMATION,
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GTK_PARAM_READWRITE));
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/**
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* GtkImage:icon-name:
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*
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* The name of the icon in the icon theme. If the icon theme is
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* changed, the image will be updated automatically.
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*
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* Since: 2.6
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*/
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g_object_class_install_property (gobject_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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* GtkImage:gicon:
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*
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* The GIcon displayed in the GtkImage. For themed icons,
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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 (gobject_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_object_class_install_property (gobject_class,
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PROP_STORAGE_TYPE,
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g_param_spec_enum ("storage-type",
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P_("Storage type"),
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P_("The representation being used for image data"),
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GTK_TYPE_IMAGE_TYPE,
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GTK_IMAGE_EMPTY,
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GTK_PARAM_READABLE));
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g_type_class_add_private (object_class, sizeof (GtkImagePrivate));
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}
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static void
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gtk_image_init (GtkImage *image)
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{
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GtkImagePrivate *priv = GTK_IMAGE_GET_PRIVATE (image);
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gtk_widget_set_has_window (GTK_WIDGET (image), FALSE);
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image->storage_type = GTK_IMAGE_EMPTY;
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image->icon_size = DEFAULT_ICON_SIZE;
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image->mask = NULL;
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priv->pixel_size = -1;
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priv->filename = NULL;
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}
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static void
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gtk_image_destroy (GtkObject *object)
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{
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GtkImage *image = GTK_IMAGE (object);
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gtk_image_reset (image);
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GTK_OBJECT_CLASS (gtk_image_parent_class)->destroy (object);
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}
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static void
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gtk_image_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkImage *image;
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image = GTK_IMAGE (object);
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switch (prop_id)
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{
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case PROP_PIXBUF:
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gtk_image_set_from_pixbuf (image,
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g_value_get_object (value));
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break;
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case PROP_PIXMAP:
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gtk_image_set_from_pixmap (image,
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g_value_get_object (value),
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image->mask);
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break;
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case PROP_IMAGE:
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gtk_image_set_from_image (image,
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g_value_get_object (value),
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image->mask);
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break;
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case PROP_MASK:
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if (image->storage_type == GTK_IMAGE_PIXMAP)
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gtk_image_set_from_pixmap (image,
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image->data.pixmap.pixmap,
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g_value_get_object (value));
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else if (image->storage_type == GTK_IMAGE_IMAGE)
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gtk_image_set_from_image (image,
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image->data.image.image,
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g_value_get_object (value));
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else
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{
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GdkBitmap *mask;
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mask = g_value_get_object (value);
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if (mask)
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g_object_ref (mask);
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gtk_image_clear (image);
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image->mask = mask;
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}
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break;
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case PROP_FILE:
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gtk_image_set_from_file (image, g_value_get_string (value));
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break;
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case PROP_STOCK:
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gtk_image_set_from_stock (image, g_value_get_string (value),
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image->icon_size);
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break;
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case PROP_ICON_SET:
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gtk_image_set_from_icon_set (image, g_value_get_boxed (value),
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image->icon_size);
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break;
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case PROP_ICON_SIZE:
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if (image->storage_type == GTK_IMAGE_STOCK)
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gtk_image_set_from_stock (image,
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image->data.stock.stock_id,
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g_value_get_int (value));
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else if (image->storage_type == GTK_IMAGE_ICON_SET)
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gtk_image_set_from_icon_set (image,
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image->data.icon_set.icon_set,
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g_value_get_int (value));
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else if (image->storage_type == GTK_IMAGE_ICON_NAME)
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gtk_image_set_from_icon_name (image,
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image->data.name.icon_name,
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g_value_get_int (value));
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else if (image->storage_type == GTK_IMAGE_GICON)
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gtk_image_set_from_gicon (image,
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image->data.gicon.icon,
|
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g_value_get_int (value));
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else
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/* Save to be used when STOCK, ICON_SET, ICON_NAME or GICON property comes in */
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image->icon_size = g_value_get_int (value);
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break;
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case PROP_PIXEL_SIZE:
|
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gtk_image_set_pixel_size (image, g_value_get_int (value));
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break;
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case PROP_PIXBUF_ANIMATION:
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gtk_image_set_from_animation (image,
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g_value_get_object (value));
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break;
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case PROP_ICON_NAME:
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gtk_image_set_from_icon_name (image, g_value_get_string (value),
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image->icon_size);
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break;
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case PROP_GICON:
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gtk_image_set_from_gicon (image, g_value_get_object (value),
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image->icon_size);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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|
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static void
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gtk_image_get_property (GObject *object,
|
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guint prop_id,
|
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GValue *value,
|
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GParamSpec *pspec)
|
|
{
|
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GtkImage *image;
|
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GtkImagePrivate *priv;
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|
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image = GTK_IMAGE (object);
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priv = GTK_IMAGE_GET_PRIVATE (image);
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|
|
/* 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
|
|
*/
|
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|
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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: (allow-none): a #GdkPixmap, or %NULL
|
|
* @mask: (allow-none): 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_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: (allow-none): a #GdkImage, or %NULL
|
|
* @mask: (allow-none): 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: (allow-none): 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: (type int): 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: (type int): 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 (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: (type int): 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: (type int): 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 = g_object_new (GTK_TYPE_IMAGE, NULL);
|
|
|
|
gtk_image_set_from_gicon (image, icon, size);
|
|
|
|
return GTK_WIDGET (image);
|
|
}
|
|
|
|
/**
|
|
* gtk_image_set_from_pixmap:
|
|
* @image: a #GtkImage
|
|
* @pixmap: (allow-none): a #GdkPixmap or %NULL
|
|
* @mask: (allow-none): a #GdkBitmap or %NULL
|
|
*
|
|
* See gtk_image_new_from_pixmap() for details.
|
|
**/
|
|
void
|
|
gtk_image_set_from_pixmap (GtkImage *image,
|
|
GdkPixmap *pixmap,
|
|
GdkBitmap *mask)
|
|
{
|
|
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->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: (allow-none): a #GdkImage or %NULL
|
|
* @mask: (allow-none): 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));
|
|
|
|
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)
|
|
{
|
|
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
|
|
{
|
|
/* Clean up the mask if gdk_image was NULL */
|
|
if (mask)
|
|
g_object_unref (mask);
|
|
}
|
|
|
|
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: (allow-none): a filename or %NULL
|
|
*
|
|
* See gtk_image_new_from_file() for details.
|
|
**/
|
|
void
|
|
gtk_image_set_from_file (GtkImage *image,
|
|
const gchar *filename)
|
|
{
|
|
GtkImagePrivate *priv = GTK_IMAGE_GET_PRIVATE (image);
|
|
GdkPixbufAnimation *anim;
|
|
|
|
g_return_if_fail (GTK_IS_IMAGE (image));
|
|
|
|
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: (allow-none): 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));
|
|
|
|
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: (type int): 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)
|
|
{
|
|
gchar *new_id;
|
|
|
|
g_return_if_fail (GTK_IS_IMAGE (image));
|
|
|
|
g_object_freeze_notify (G_OBJECT (image));
|
|
|
|
/* in case stock_id == image->data.stock.stock_id */
|
|
new_id = g_strdup (stock_id);
|
|
|
|
gtk_image_clear (image);
|
|
|
|
if (new_id)
|
|
{
|
|
image->storage_type = GTK_IMAGE_STOCK;
|
|
|
|
image->data.stock.stock_id = new_id;
|
|
image->icon_size = size;
|
|
|
|
/* Size is demand-computed in size request method
|
|
* if we're a stock image, since changing the
|
|
* style impacts the size request
|
|
*/
|
|
}
|
|
|
|
g_object_notify (G_OBJECT (image), "stock");
|
|
g_object_notify (G_OBJECT (image), "icon-size");
|
|
|
|
g_object_thaw_notify (G_OBJECT (image));
|
|
}
|
|
|
|
/**
|
|
* gtk_image_set_from_icon_set:
|
|
* @image: a #GtkImage
|
|
* @icon_set: a #GtkIconSet
|
|
* @size: (type int): 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));
|
|
|
|
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;
|
|
|
|
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;
|
|
|
|
gtk_image_update_size (image,
|
|
gdk_pixbuf_animation_get_width (animation),
|
|
gdk_pixbuf_animation_get_height (animation));
|
|
}
|
|
|
|
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: (type int): 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: (type int): 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: (out) (transfer none) (allow-none): location to store the
|
|
* pixmap, or %NULL
|
|
* @mask: (out) (transfer none) (allow-none): 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: (out) (transfer none) (allow-none): return location for
|
|
* a #GtkImage, or %NULL
|
|
* @mask: (out) (transfer none) (allow-none): 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: (transfer none): 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: (out) (transfer none) (allow-none): place to store a
|
|
* stock icon name, or %NULL
|
|
* @size: (out) (allow-none) (type int): 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: (out) (transfer none) (allow-none): location to store a
|
|
* #GtkIconSet, or %NULL
|
|
* @size: (out) (allow-none) (type int): 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: (transfer none): 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: (out) (transfer none) (allow-none): place to store an
|
|
* icon name, or %NULL
|
|
* @size: (out) (allow-none) (type int): 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: (out) (transfer none) (allow-none): place to store a
|
|
* #GIcon, or %NULL
|
|
* @size: (out) (allow-none) (type int): 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);
|
|
}
|
|
|
|
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_is_drawable (GTK_WIDGET (image)))
|
|
gdk_window_process_updates (GTK_WIDGET (image)->window, TRUE);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
icon_theme_changed (GtkImage *image)
|
|
{
|
|
GtkImagePrivate *priv;
|
|
|
|
priv = GTK_IMAGE_GET_PRIVATE (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,
|
|
GtkStateType state)
|
|
{
|
|
GtkImagePrivate *priv;
|
|
GdkScreen *screen;
|
|
GtkIconTheme *icon_theme;
|
|
GtkSettings *settings;
|
|
gint width, height;
|
|
gint *sizes, *s, dist;
|
|
GtkIconInfo *info;
|
|
GtkIconLookupFlags flags;
|
|
|
|
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 ||
|
|
(priv->was_symbolic && priv->last_rendered_state != state))
|
|
{
|
|
priv->last_rendered_state = state;
|
|
if (image->data.name.pixbuf)
|
|
{
|
|
g_object_unref (image->data.name.pixbuf);
|
|
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;
|
|
}
|
|
}
|
|
|
|
info = gtk_icon_theme_lookup_icon (icon_theme,
|
|
image->data.name.icon_name,
|
|
MIN (width, height), flags);
|
|
if (info)
|
|
{
|
|
GdkColor error_color, warning_color, success_color;
|
|
GdkColor *error_ptr, *warning_ptr, *success_ptr;
|
|
GtkStyle *style;
|
|
gboolean was_symbolic;
|
|
|
|
style = gtk_widget_get_style (GTK_WIDGET (image));
|
|
if (!gtk_style_lookup_color (style, "error_color", &error_color))
|
|
error_ptr = NULL;
|
|
else
|
|
error_ptr = &error_color;
|
|
if (!gtk_style_lookup_color (style, "warning_color", &warning_color))
|
|
warning_ptr = NULL;
|
|
else
|
|
warning_ptr = &warning_color;
|
|
if (!gtk_style_lookup_color (style, "success_color", &success_color))
|
|
success_ptr = NULL;
|
|
else
|
|
success_ptr = &success_color;
|
|
|
|
image->data.name.pixbuf = gtk_icon_info_load_symbolic (info,
|
|
&style->fg[state],
|
|
success_ptr,
|
|
warning_ptr,
|
|
error_ptr,
|
|
&was_symbolic,
|
|
NULL);
|
|
priv->was_symbolic = was_symbolic;
|
|
gtk_icon_info_free (info);
|
|
}
|
|
|
|
if (image->data.name.pixbuf == NULL)
|
|
{
|
|
image->data.name.pixbuf =
|
|
gtk_widget_render_icon (GTK_WIDGET (image),
|
|
GTK_STOCK_MISSING_IMAGE,
|
|
image->icon_size,
|
|
NULL);
|
|
priv->was_symbolic = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ensure_pixbuf_for_gicon (GtkImage *image,
|
|
GtkStateType state)
|
|
{
|
|
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 ||
|
|
(priv->was_symbolic && priv->last_rendered_state != state))
|
|
{
|
|
priv->last_rendered_state = state;
|
|
if (image->data.gicon.pixbuf)
|
|
{
|
|
g_object_unref (image->data.gicon.pixbuf);
|
|
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)
|
|
{
|
|
GdkColor error_color, warning_color, success_color;
|
|
GdkColor *error_ptr, *warning_ptr, *success_ptr;
|
|
GtkStyle *style;
|
|
gboolean was_symbolic;
|
|
|
|
style = gtk_widget_get_style (GTK_WIDGET (image));
|
|
if (!gtk_style_lookup_color (style, "error_color", &error_color))
|
|
error_ptr = NULL;
|
|
else
|
|
error_ptr = &error_color;
|
|
if (!gtk_style_lookup_color (style, "warning_color", &warning_color))
|
|
warning_ptr = NULL;
|
|
else
|
|
warning_ptr = &warning_color;
|
|
if (!gtk_style_lookup_color (style, "success_color", &success_color))
|
|
success_ptr = NULL;
|
|
else
|
|
success_ptr = &success_color;
|
|
|
|
image->data.gicon.pixbuf = gtk_icon_info_load_symbolic (info,
|
|
&style->fg[state],
|
|
success_ptr,
|
|
warning_ptr,
|
|
error_ptr,
|
|
&was_symbolic,
|
|
NULL);
|
|
priv->was_symbolic = was_symbolic;
|
|
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);
|
|
priv->was_symbolic = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* 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_get_mapped (widget) &&
|
|
GTK_IMAGE (widget)->storage_type != GTK_IMAGE_EMPTY)
|
|
{
|
|
GtkImage *image;
|
|
GtkMisc *misc;
|
|
GtkImagePrivate *priv;
|
|
GdkRectangle area, image_bound;
|
|
gfloat xalign;
|
|
gint x, y, mask_x, mask_y;
|
|
GdkBitmap *mask;
|
|
GdkPixbuf *pixbuf;
|
|
GtkStateType state;
|
|
gboolean needs_state_transform;
|
|
|
|
image = GTK_IMAGE (widget);
|
|
misc = GTK_MISC (widget);
|
|
priv = GTK_IMAGE_GET_PRIVATE (image);
|
|
|
|
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 (priv->need_calc_size)
|
|
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_get_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_get_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:
|
|
state = gtk_widget_get_state (widget);
|
|
if (state == GTK_STATE_INSENSITIVE)
|
|
{
|
|
ensure_pixbuf_for_icon_name (image, GTK_STATE_NORMAL);
|
|
}
|
|
else
|
|
{
|
|
ensure_pixbuf_for_icon_name (image, state);
|
|
/* Already done by the loading function? */
|
|
if (priv->was_symbolic)
|
|
needs_state_transform = FALSE;
|
|
}
|
|
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:
|
|
state = gtk_widget_get_state (widget);
|
|
if (state == GTK_STATE_INSENSITIVE)
|
|
{
|
|
ensure_pixbuf_for_gicon (image, GTK_STATE_NORMAL);
|
|
}
|
|
else
|
|
{
|
|
ensure_pixbuf_for_gicon (image, state);
|
|
/* Already done by the loading function? */
|
|
if (priv->was_symbolic)
|
|
needs_state_transform = FALSE;
|
|
}
|
|
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_get_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)
|
|
{
|
|
GtkImagePrivate *priv;
|
|
|
|
priv = GTK_IMAGE_GET_PRIVATE (image);
|
|
|
|
priv->need_calc_size = 1;
|
|
|
|
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;
|
|
GtkImagePrivate *priv;
|
|
|
|
priv = GTK_IMAGE_GET_PRIVATE (image);
|
|
|
|
priv->need_calc_size = 0;
|
|
|
|
/* 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_get_state (widget),
|
|
image->icon_size,
|
|
widget,
|
|
NULL);
|
|
break;
|
|
case GTK_IMAGE_ICON_NAME:
|
|
ensure_pixbuf_for_icon_name (image, GTK_STATE_NORMAL);
|
|
pixbuf = image->data.name.pixbuf;
|
|
if (pixbuf) g_object_ref (pixbuf);
|
|
break;
|
|
case GTK_IMAGE_GICON:
|
|
ensure_pixbuf_for_gicon (image, GTK_STATE_NORMAL);
|
|
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)
|
|
{
|
|
GtkWidget *widget = GTK_WIDGET (image);
|
|
|
|
widget->requisition.width = image_width + GTK_MISC (image)->xpad * 2;
|
|
widget->requisition.height = image_height + GTK_MISC (image)->ypad * 2;
|
|
|
|
if (gtk_widget_get_visible (widget))
|
|
gtk_widget_queue_resize (widget);
|
|
}
|
|
|
|
|
|
/**
|
|
* 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"
|