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., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301 USA
21 * Authors: Xavier Claessens <xclaesse@gmail.com>
25 #include "empathy-avatar-image.h"
27 #include <glib/gi18n-lib.h>
30 #include "empathy-ui-utils.h"
31 #include "empathy-utils.h"
34 * SECTION:empathy-avatar-image
35 * @title: EmpathyAvatarImage
36 * @short_description: A widget to display an avatar
37 * @include: libempathy-gtk/empathy-avatar-image.h
39 * #EmpathyAvatarImage is a widget which displays an avatar.
44 * @parent: parent object
46 * Widget which displays an avatar.
52 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyAvatarImage)
57 } EmpathyAvatarImagePriv;
59 static void avatar_image_finalize (GObject *object);
60 static void avatar_image_add_filter (EmpathyAvatarImage *avatar_image);
61 static void avatar_image_remove_filter (EmpathyAvatarImage *avatar_image);
62 static gboolean avatar_image_button_press_event (GtkWidget *widget,
63 GdkEventButton *event);
64 static gboolean avatar_image_button_release_event (GtkWidget *widget,
65 GdkEventButton *event);
67 G_DEFINE_TYPE (EmpathyAvatarImage, empathy_avatar_image, GTK_TYPE_EVENT_BOX);
70 empathy_avatar_image_class_init (EmpathyAvatarImageClass *klass)
72 GObjectClass *object_class;
73 GtkWidgetClass *widget_class;
75 object_class = G_OBJECT_CLASS (klass);
76 widget_class = GTK_WIDGET_CLASS (klass);
78 object_class->finalize = avatar_image_finalize;
80 widget_class->button_press_event = avatar_image_button_press_event;
81 widget_class->button_release_event = avatar_image_button_release_event;
83 g_type_class_add_private (object_class, sizeof (EmpathyAvatarImagePriv));
87 empathy_avatar_image_init (EmpathyAvatarImage *avatar_image)
89 EmpathyAvatarImagePriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (avatar_image,
90 EMPATHY_TYPE_AVATAR_IMAGE, EmpathyAvatarImagePriv);
92 avatar_image->priv = priv;
93 priv->image = gtk_image_new ();
94 gtk_container_add (GTK_CONTAINER (avatar_image), priv->image);
95 empathy_avatar_image_set (avatar_image, NULL);
96 gtk_widget_show (priv->image);
98 avatar_image_add_filter (avatar_image);
102 avatar_image_finalize (GObject *object)
104 EmpathyAvatarImagePriv *priv;
106 priv = GET_PRIV (object);
108 avatar_image_remove_filter (EMPATHY_AVATAR_IMAGE (object));
111 gtk_widget_destroy (priv->popup);
115 g_object_unref (priv->pixbuf);
118 G_OBJECT_CLASS (empathy_avatar_image_parent_class)->finalize (object);
121 static GdkFilterReturn
122 avatar_image_filter_func (GdkXEvent *gdkxevent,
126 XEvent *xevent = gdkxevent;
128 EmpathyAvatarImagePriv *priv;
130 priv = GET_PRIV (data);
132 if (xevent->type == PropertyNotify) {
133 atom = gdk_x11_get_xatom_by_name ("_NET_CURRENT_DESKTOP");
134 if (xevent->xproperty.atom == atom) {
136 gtk_widget_destroy (priv->popup);
142 return GDK_FILTER_CONTINUE;
146 avatar_image_add_filter (EmpathyAvatarImage *avatar_image)
151 XWindowAttributes attrs;
153 mask = PropertyChangeMask;
155 window = gdk_x11_get_default_root_xwindow ();
156 display = gdk_x11_get_default_xdisplay ();
158 gdk_error_trap_push ();
160 XGetWindowAttributes (display, window, &attrs);
161 mask |= attrs.your_event_mask;
163 XSelectInput (display, window, mask);
165 gdk_error_trap_pop_ignored ();
167 gdk_window_add_filter (NULL, avatar_image_filter_func, avatar_image);
171 avatar_image_remove_filter (EmpathyAvatarImage *avatar_image)
173 gdk_window_remove_filter (NULL, avatar_image_filter_func, avatar_image);
177 avatar_image_button_press_event (GtkWidget *widget, GdkEventButton *event)
179 EmpathyAvatarImagePriv *priv;
184 gint popup_width, popup_height;
187 GtkAllocation allocation;
189 priv = GET_PRIV (widget);
192 gtk_widget_destroy (priv->popup);
196 if (event->button != 1 || event->type != GDK_BUTTON_PRESS || !priv->pixbuf) {
200 popup_width = gdk_pixbuf_get_width (priv->pixbuf);
201 popup_height = gdk_pixbuf_get_height (priv->pixbuf);
203 gtk_widget_get_allocation (priv->image, &allocation);
204 width = allocation.width;
205 height = allocation.height;
207 /* Don't show a popup if the popup is smaller then the currently avatar
210 if (popup_height <= height && popup_width <= width) {
214 pixbuf = empathy_pixbuf_scale_down_if_necessary (priv->pixbuf, MAX_LARGE);
215 popup_width = gdk_pixbuf_get_width (pixbuf);
216 popup_height = gdk_pixbuf_get_height (pixbuf);
218 popup = gtk_window_new (GTK_WINDOW_POPUP);
220 frame = gtk_frame_new (NULL);
221 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
223 gtk_container_add (GTK_CONTAINER (popup), frame);
225 image = gtk_image_new ();
226 gtk_container_add (GTK_CONTAINER (frame), image);
228 gtk_image_set_from_pixbuf (GTK_IMAGE (image), pixbuf);
229 g_object_unref (pixbuf);
231 gdk_window_get_origin (gtk_widget_get_window (priv->image), &x, &y);
233 x = x - (popup_width - width) / 2;
234 y = y - (popup_height - height) / 2;
236 gtk_window_move (GTK_WINDOW (popup), x, y);
240 gtk_widget_show_all (popup);
246 avatar_image_button_release_event (GtkWidget *widget, GdkEventButton *event)
248 EmpathyAvatarImagePriv *priv;
250 priv = GET_PRIV (widget);
252 if (event->button != 1 || event->type != GDK_BUTTON_RELEASE) {
260 gtk_widget_destroy (priv->popup);
267 * empathy_avatar_image_new:
269 * Creates a new #EmpathyAvatarImage.
271 * Return value: a new #EmpathyAvatarImage
274 empathy_avatar_image_new (void)
276 EmpathyAvatarImage *avatar_image;
278 avatar_image = g_object_new (EMPATHY_TYPE_AVATAR_IMAGE, NULL);
280 return GTK_WIDGET (avatar_image);
284 * empathy_avatar_image_set:
285 * @avatar_image: an #EmpathyAvatarImage
286 * @avatar: the #EmpathyAvatar to set @avatar_image to
288 * Sets @avatar_image to display the avatar indicated by @avatar.
291 empathy_avatar_image_set (EmpathyAvatarImage *avatar_image,
292 EmpathyAvatar *avatar)
294 EmpathyAvatarImagePriv *priv = GET_PRIV (avatar_image);
295 GdkPixbuf *scaled_pixbuf;
297 g_return_if_fail (EMPATHY_IS_AVATAR_IMAGE (avatar_image));
300 g_object_unref (priv->pixbuf);
305 priv->pixbuf = empathy_pixbuf_from_data ((gchar *) avatar->data,
310 gtk_image_clear (GTK_IMAGE (priv->image));
314 scaled_pixbuf = empathy_pixbuf_scale_down_if_necessary (priv->pixbuf, MAX_SMALL);
315 gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), scaled_pixbuf);
317 if (scaled_pixbuf != priv->pixbuf) {
318 gtk_widget_set_tooltip_text (GTK_WIDGET (avatar_image),
319 _("Click to enlarge"));
321 gtk_widget_set_tooltip_text (GTK_WIDGET (avatar_image),
325 g_object_unref (scaled_pixbuf);