implemented About dialog

 * some values are set in the Glade-UI definition (license text, copyright, authors)
 * others are set in main() using Autoconf-defined macros to avoid redundancies

3 files changed, 65 insertions, 0 deletions

diff --git a/src/default.ui b/src/default.ui
index 6d49350..e8496d6 100644
--- a/src/default.ui
+++ b/src/default.ui
@@ -129,6 +129,7 @@
                         <property name="visible">True</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
+                        <signal name="activate" handler="help_menu_about_item_activate_cb" object="about_dialog"/>
                       </object>
                     </child>
                   </object>
@@ -504,4 +505,45 @@ audio-volume-medium</property>
     <property name="visible">True</property>
     <property name="stock">gtk-directory</property>
   </object>
+  <object class="GtkAboutDialog" id="about_dialog">
+    <property name="border_width">5</property>
+    <property name="resizable">False</property>
+    <property name="window_position">center-on-parent</property>
+    <property name="destroy_with_parent">True</property>
+    <property name="type_hint">dialog</property>
+    <property name="skip_taskbar_hint">True</property>
+    <property name="skip_pager_hint">True</property>
+    <property name="transient_for">player_window</property>
+    <property name="copyright">Copyright (C) 2012 Otto-von-Guericke-Universit&#xE4;t Magdeburg</property>
+    <property name="license">This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</property>
+    <property name="authors">Jens Lammert &lt;jens.lammert@st.ovgu.de&gt;
+Robin Haberkorn &lt;robin.haberkorn@st.ovgu.de&gt;</property>
+    <property name="documenters">Jens Lammert &lt;jens.lammert@st.ovgu.de&gt;
+Robin Haberkorn &lt;robin.haberkorn@st.ovgu.de&gt;</property>
+    <property name="wrap_license">True</property>
+    <child internal-child="vbox">
+      <object class="GtkVBox" id="dialog-vbox1">
+        <property name="visible">True</property>
+        <property name="spacing">2</property>
+        <child>
+          <placeholder/>
+        </child>
+        <child internal-child="action_area">
+          <object class="GtkHButtonBox" id="dialog-action_area1">
+            <property name="visible">True</property>
+            <property name="layout_style">end</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+  </object>
 </interface>
diff --git a/src/experiment-player.h b/src/experiment-player.h
index e3a2a19..9bbe592 100644
--- a/src/experiment-player.h
+++ b/src/experiment-player.h
@@ -16,6 +16,8 @@ gboolean load_transcript_file(const gchar *file);
 
 void show_message_dialog_gerror(GError *err);
 
+extern GtkWidget *about_dialog;
+
 extern GtkWidget *player_widget,
 		 *controls_hbox,
 		 *scale_widget,
diff --git a/src/main.c b/src/main.c
index 22e7266..6594e24 100644
--- a/src/main.c
+++ b/src/main.c
@@ -29,6 +29,8 @@
 
 static inline void button_image_set_from_stock(GtkButton *widget, const gchar *name);
 
+GtkWidget *about_dialog;
+
 GtkWidget *player_widget,
 	  *controls_hbox,
 	  *scale_widget,
@@ -54,6 +56,14 @@ gchar *current_filename = NULL;
  */
 
 void
+help_menu_about_item_activate_cb(GtkWidget *widget,
+				 gpointer data __attribute__((unused)))
+{
+	gtk_dialog_run(GTK_DIALOG(widget));
+	gtk_widget_hide(widget);
+}
+
+void
 playpause_button_clicked_cb(GtkWidget *widget, gpointer data)
 {
 	gboolean is_playing = gtk_vlc_player_toggle(GTK_VLC_PLAYER(widget));
@@ -276,6 +286,7 @@ main(int argc, char *argv[])
 	gdk_threads_init();
 
 	gtk_init(&argc, &argv);
+	g_set_prgname(PACKAGE_NAME);
 
 	config_init_key_file();
 
@@ -284,6 +295,8 @@ main(int argc, char *argv[])
 	gtk_builder_add_from_file(builder, DEFAULT_UI, NULL);
 	gtk_builder_connect_signals(builder, NULL);
 
+	BUILDER_INIT(builder, about_dialog);
+
 	BUILDER_INIT(builder, player_widget);
 	BUILDER_INIT(builder, controls_hbox);
 	BUILDER_INIT(builder, scale_widget);
@@ -310,6 +323,14 @@ main(int argc, char *argv[])
 
 	g_object_unref(G_OBJECT(builder));
 
+	/* configure about dialog */
+	gtk_about_dialog_set_program_name(GTK_ABOUT_DIALOG(about_dialog),
+					  PACKAGE_NAME);
+	gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(about_dialog),
+				     PACKAGE_VERSION);
+	gtk_about_dialog_set_website(GTK_ABOUT_DIALOG(about_dialog),
+				     PACKAGE_URL);
+
 	/** @todo most of this could be done in Glade with proper catalog files */
 	/* connect timeline, volume button and other widgets with player widget */
 	adj = gtk_vlc_player_get_time_adjustment(GTK_VLC_PLAYER(player_widget));