1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
3 * Copyright (C) 2006-2007 Imendio AB
4 * Copyright (C) 2007-2008 Collabora Ltd.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of the
9 * License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public
17 * License along with this program; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
21 * Authors: Xavier Claessens <xclaesse@gmail.com>
26 #include <glib/gi18n-lib.h>
27 #include <gdk/gdkkeysyms.h>
32 #include <libempathy/empathy-utils.h>
33 #include "empathy-avatar-image.h"
34 #include "empathy-ui-utils.h"
37 * SECTION:empathy-avatar-image
38 * @title: EmpathyAvatarImage
39 * @short_description: A widget to display an avatar
40 * @include: libempathy-gtk/empathy-avatar-image.h
42 * #EmpathyAvatarImage is a widget which displays an avatar.
47 * @parent: parent object
49 * Widget which displays an avatar.
55 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyAvatarImage)
60 } EmpathyAvatarImagePriv;
62 static void avatar_image_finalize (GObject *object);
63 static void avatar_image_add_filter (EmpathyAvatarImage *avatar_image);
64 static void avatar_image_remove_filter (EmpathyAvatarImage *avatar_image);
65 static gboolean avatar_image_button_press_event (GtkWidget *widget,
66 GdkEventButton *event);
67 static gboolean avatar_image_button_release_event (GtkWidget *widget,
68 GdkEventButton *event);
70 G_DEFINE_TYPE (EmpathyAvatarImage, empathy_avatar_image, GTK_TYPE_EVENT_BOX);
73 empathy_avatar_image_class_init (EmpathyAvatarImageClass *klass)
75 GObjectClass *object_class;
76 GtkWidgetClass *widget_class;
78 object_class = G_OBJECT_CLASS (klass);
79 widget_class = GTK_WIDGET_CLASS (klass);
81 object_class->finalize = avatar_image_finalize;
83 widget_class->button_press_event = avatar_image_button_press_event;
84 widget_class->button_release_event = avatar_image_button_release_event;
86 g_type_class_add_private (object_class, sizeof (EmpathyAvatarImagePriv));
90 empathy_avatar_image_init (EmpathyAvatarImage *avatar_image)
92 EmpathyAvatarImagePriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (avatar_image,
93 EMPATHY_TYPE_AVATAR_IMAGE, EmpathyAvatarImagePriv);
95 avatar_image->priv = priv;
96 priv->image = gtk_image_new ();
97 gtk_container_add (GTK_CONTAINER (avatar_image), priv->image);
98 empathy_avatar_image_set (avatar_image, NULL);
99 gtk_widget_show (priv->image);
101 avatar_image_add_filter (avatar_image);
105 avatar_image_finalize (GObject *object)
107 EmpathyAvatarImagePriv *priv;
109 priv = GET_PRIV (object);
111 avatar_image_remove_filter (EMPATHY_AVATAR_IMAGE (object));
114 gtk_widget_destroy (priv->popup);
118 g_object_unref (priv->pixbuf);
121 G_OBJECT_CLASS (empathy_avatar_image_parent_class)->finalize (object);
124 static GdkFilterReturn
125 avatar_image_filter_func (GdkXEvent *gdkxevent,
129 XEvent *xevent = gdkxevent;
131 EmpathyAvatarImagePriv *priv;
133 priv = GET_PRIV (data);
135 switch (xevent->type) {
137 atom = gdk_x11_get_xatom_by_name ("_NET_CURRENT_DESKTOP");
138 if (xevent->xproperty.atom == atom) {
140 gtk_widget_destroy (priv->popup);
147 return GDK_FILTER_CONTINUE;
151 avatar_image_add_filter (EmpathyAvatarImage *avatar_image)
154 GdkWindow *gdkwindow;
157 mask = PropertyChangeMask;
159 window = GDK_ROOT_WINDOW ();
160 gdkwindow = gdk_xid_table_lookup (window);
162 gdk_error_trap_push ();
164 XWindowAttributes attrs;
165 XGetWindowAttributes (gdk_display, window, &attrs);
166 mask |= attrs.your_event_mask;
169 XSelectInput (gdk_display, window, mask);
171 gdk_error_trap_pop ();
173 gdk_window_add_filter (NULL, avatar_image_filter_func, avatar_image);
177 avatar_image_remove_filter (EmpathyAvatarImage *avatar_image)
179 gdk_window_remove_filter (NULL, avatar_image_filter_func, avatar_image);
183 avatar_image_button_press_event (GtkWidget *widget, GdkEventButton *event)
185 EmpathyAvatarImagePriv *priv;
190 gint popup_width, popup_height;
194 priv = GET_PRIV (widget);
197 gtk_widget_destroy (priv->popup);
201 if (event->button != 1 || event->type != GDK_BUTTON_PRESS || !priv->pixbuf) {
205 popup_width = gdk_pixbuf_get_width (priv->pixbuf);
206 popup_height = gdk_pixbuf_get_height (priv->pixbuf);
208 width = priv->image->allocation.width;
209 height = priv->image->allocation.height;
211 /* Don't show a popup if the popup is smaller then the currently avatar
214 if (popup_height <= height && popup_width <= width) {
218 pixbuf = empathy_pixbuf_scale_down_if_necessary (priv->pixbuf, MAX_LARGE);
219 popup_width = gdk_pixbuf_get_width (pixbuf);
220 popup_height = gdk_pixbuf_get_height (pixbuf);
222 popup = gtk_window_new (GTK_WINDOW_POPUP);
224 frame = gtk_frame_new (NULL);
225 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
227 gtk_container_add (GTK_CONTAINER (popup), frame);
229 image = gtk_image_new ();
230 gtk_container_add (GTK_CONTAINER (frame), image);
232 gtk_image_set_from_pixbuf (GTK_IMAGE (image), pixbuf);
233 g_object_unref (pixbuf);
235 gdk_window_get_origin (priv->image->window, &x, &y);
237 x = x - (popup_width - width) / 2;
238 y = y - (popup_height - height) / 2;
240 gtk_window_move (GTK_WINDOW (popup), x, y);
244 gtk_widget_show_all (popup);
250 avatar_image_button_release_event (GtkWidget *widget, GdkEventButton *event)
252 EmpathyAvatarImagePriv *priv;
254 priv = GET_PRIV (widget);
256 if (event->button != 1 || event->type != GDK_BUTTON_RELEASE) {
264 gtk_widget_destroy (priv->popup);
271 * empathy_avatar_image_new:
273 * Creates a new #EmpathyAvatarImage.
275 * Return value: a new #EmpathyAvatarImage
278 empathy_avatar_image_new (void)
280 EmpathyAvatarImage *avatar_image;
282 avatar_image = g_object_new (EMPATHY_TYPE_AVATAR_IMAGE, NULL);
284 return GTK_WIDGET (avatar_image);
288 * empathy_avatar_image_set:
289 * @avatar_image: an #EmpathyAvatarImage
290 * @avatar: the #EmpathyAvatar to set @avatar_image to
292 * Sets @avatar_image to display the avatar indicated by @avatar.
295 empathy_avatar_image_set (EmpathyAvatarImage *avatar_image,
296 EmpathyAvatar *avatar)
298 EmpathyAvatarImagePriv *priv = GET_PRIV (avatar_image);
299 GdkPixbuf *scaled_pixbuf;
301 g_return_if_fail (EMPATHY_IS_AVATAR_IMAGE (avatar_image));
304 g_object_unref (priv->pixbuf);
309 priv->pixbuf = empathy_pixbuf_from_data (avatar->data, avatar->len);
313 gtk_image_set_from_icon_name (GTK_IMAGE (priv->image),
315 GTK_ICON_SIZE_DIALOG);
319 scaled_pixbuf = empathy_pixbuf_scale_down_if_necessary (priv->pixbuf, MAX_SMALL);
320 gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), scaled_pixbuf);
322 if (scaled_pixbuf != priv->pixbuf) {
323 gtk_widget_set_tooltip_text (GTK_WIDGET (avatar_image),
324 _("Click to enlarge"));
326 gtk_widget_set_tooltip_text (GTK_WIDGET (avatar_image),
330 g_object_unref (scaled_pixbuf);