]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkvolumebutton.c
stylecontext: Do invalidation on first resize container
[~andy/gtk] / gtk / gtkvolumebutton.c
index ac22b8a4bef0e97b237b9cbb25311e02e7b33269..ceb64721f5909f2bd7868943a6e99919dc1175a0 100644 (file)
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
  * Modified by the GTK+ Team and others 2007.  See the AUTHORS
  * file for a list of people on the GTK+ Team.  See the ChangeLog
  * files for a list of changes.  These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  */
 
-#include <config.h>
-
-#include <atk/atk.h>
+#include "config.h"
 
 #include "gtkvolumebutton.h"
-#include "gtkstock.h"
-#include "gtktooltip.h"
+
+#include "gtkadjustment.h"
 #include "gtkintl.h"
+#include "gtktooltip.h"
+
 
-#include "gtkalias.h"
+/**
+ * SECTION:gtkvolumebutton
+ * @Short_description: A button which pops up a volume control
+ * @Title: GtkVolumeButton
+ *
+ * #GtkVolumeButton is a subclass of #GtkScaleButton that has
+ * been tailored for use as a volume control widget with suitable
+ * icons, tooltips and accessible labels.
+ */
 
 #define EPSILON (1e-10)
 
-struct _GtkVolumeButton
+static const gchar * const icons[] =
+{
+  "audio-volume-muted",
+  "audio-volume-high",
+  "audio-volume-low",
+  "audio-volume-medium",
+  NULL
+};
+
+static const gchar * const icons_symbolic[] =
 {
-  GtkScaleButton  parent;
+  "audio-volume-muted-symbolic",
+  "audio-volume-high-symbolic",
+  "audio-volume-low-symbolic",
+  "audio-volume-medium-symbolic",
+  NULL
 };
 
-static void    gtk_volume_button_class_init    (GtkVolumeButtonClass *klass);
-static void    gtk_volume_button_init          (GtkVolumeButton      *button);
-static gboolean        cb_query_tooltip                (GtkWidget            *button,
-                                                gint                  x,
-                                                gint                  y,
-                                                gboolean              keyboard_mode,
-                                                GtkTooltip           *tooltip,
-                                                gpointer              user_data);
-static void    cb_value_changed                (GtkVolumeButton      *button,
-                                                gdouble               value,
-                                                gpointer              user_data);
+enum
+{
+  PROP_0,
+  PROP_SYMBOLIC
+};
+
+static gboolean        cb_query_tooltip (GtkWidget       *button,
+                                  gint             x,
+                                  gint             y,
+                                  gboolean         keyboard_mode,
+                                  GtkTooltip      *tooltip,
+                                  gpointer         user_data);
+static void    cb_value_changed (GtkVolumeButton *button,
+                                  gdouble          value,
+                                  gpointer         user_data);
 
 G_DEFINE_TYPE (GtkVolumeButton, gtk_volume_button, GTK_TYPE_SCALE_BUTTON)
 
+static void
+gtk_volume_button_set_property (GObject       *object,
+                               guint          prop_id,
+                               const GValue  *value,
+                               GParamSpec    *pspec)
+{
+  GtkScaleButton *button = GTK_SCALE_BUTTON (object);
+
+  switch (prop_id)
+    {
+    case PROP_SYMBOLIC:
+      if (g_value_get_boolean (value))
+        gtk_scale_button_set_icons (button, (const char **) icons_symbolic);
+      else
+       gtk_scale_button_set_icons (button, (const char **) icons);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+gtk_volume_button_get_property (GObject     *object,
+                               guint        prop_id,
+                               GValue      *value,
+                               GParamSpec  *pspec)
+{
+  switch (prop_id)
+    {
+    case PROP_SYMBOLIC: {
+      char **icon_list;
+
+      g_object_get (object, "icons", &icon_list, NULL);
+      if (icon_list != NULL &&
+         icon_list[0] != NULL &&
+         g_str_equal (icon_list[0], icons_symbolic[0]))
+        g_value_set_boolean (value, TRUE);
+      else
+        g_value_set_boolean (value, FALSE);
+      g_strfreev (icon_list);
+      break;
+    }
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
 static void
 gtk_volume_button_class_init (GtkVolumeButtonClass *klass)
 {
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+  gobject_class->set_property = gtk_volume_button_set_property;
+  gobject_class->get_property = gtk_volume_button_get_property;
+
+  /**
+   * GtkVolumeButton:use-symbolic:
+   *
+   * Whether to use symbolic icons as the icons. Note that
+   * if the symbolic icons are not available in your installed
+   * theme, then the normal (potentially colorful) icons will
+   * be used.
+   *
+   * Since: 3.0
+   */
+  g_object_class_install_property (gobject_class,
+                                   PROP_SYMBOLIC,
+                                   g_param_spec_boolean ("use-symbolic",
+                                                         P_("Use symbolic icons"),
+                                                         P_("Whether to use symbolic icons"),
+                                                         FALSE,
+                                                         G_PARAM_READWRITE));
 }
 
 static void
 gtk_volume_button_init (GtkVolumeButton *button)
 {
   GtkScaleButton *sbutton = GTK_SCALE_BUTTON (button);
-  GtkObject *adj;
-  const char *icons[] = {
-       "audio-volume-muted",
-       "audio-volume-high",
-       "audio-volume-low",
-       "audio-volume-medium",
-       NULL
-  };
+  GtkAdjustment *adj;
+  GtkWidget *minus_button, *plus_button;
 
   atk_object_set_name (gtk_widget_get_accessible (GTK_WIDGET (button)),
                       _("Volume"));
-  atk_object_set_name (gtk_widget_get_accessible (sbutton->minus_button),
+  atk_object_set_description (gtk_widget_get_accessible (GTK_WIDGET (button)),
+                      _("Turns volume down or up"));
+  atk_action_set_description (ATK_ACTION (gtk_widget_get_accessible (GTK_WIDGET (button))),
+                             1,
+                             _("Adjusts the volume"));
+
+  minus_button = gtk_scale_button_get_minus_button (sbutton);
+  plus_button = gtk_scale_button_get_plus_button (sbutton);
+
+  atk_object_set_name (gtk_widget_get_accessible (minus_button),
                       _("Volume Down"));
-  atk_object_set_name (gtk_widget_get_accessible (sbutton->plus_button),
+  atk_object_set_description (gtk_widget_get_accessible (minus_button),
+                      _("Decreases the volume"));
+  gtk_widget_set_tooltip_text (minus_button, _("Volume Down"));
+
+  atk_object_set_name (gtk_widget_get_accessible (plus_button),
                       _("Volume Up"));
+  atk_object_set_description (gtk_widget_get_accessible (plus_button),
+                      _("Increases the volume"));
+  gtk_widget_set_tooltip_text (plus_button, _("Volume Up"));
 
-  gtk_scale_button_set_icons (sbutton, icons);
+  gtk_scale_button_set_icons (sbutton, (const char **) icons);
 
   adj = gtk_adjustment_new (0., 0., 1., 0.02, 0.2, 0.);
   g_object_set (G_OBJECT (button),
                "adjustment", adj,
                "size", GTK_ICON_SIZE_SMALL_TOOLBAR,
                "has-tooltip", TRUE,
-               NULL);
+               NULL);
 
   g_signal_connect (G_OBJECT (button), "query-tooltip",
                    G_CALLBACK (cb_query_tooltip), NULL);
@@ -100,7 +204,7 @@ gtk_volume_button_init (GtkVolumeButton *button)
 }
 
 /**
- * gtk_volume_button_new
+ * gtk_volume_button_new:
  *
  * Creates a #GtkVolumeButton, with a range between 0.0 and 1.0, with
  * a stepping of 0.02. Volume values can be obtained and modified using
@@ -127,18 +231,21 @@ cb_query_tooltip (GtkWidget  *button,
                  gpointer    user_data)
 {
   GtkScaleButton *scale_button = GTK_SCALE_BUTTON (button);
-  GtkAdjustment *adj;
+  GtkAdjustment *adjustment;
   gdouble val;
   char *str;
+  AtkImage *image;
+
+  image = ATK_IMAGE (gtk_widget_get_accessible (button));
 
-  adj = gtk_scale_button_get_adjustment (scale_button);
+  adjustment = gtk_scale_button_get_adjustment (scale_button);
   val = gtk_scale_button_get_value (scale_button);
 
-  if (val < (adj->lower + EPSILON))
+  if (val < (gtk_adjustment_get_lower (adjustment) + EPSILON))
     {
       str = g_strdup (_("Muted"));
     }
-  else if (val >= (adj->upper - EPSILON))
+  else if (val >= (gtk_adjustment_get_upper (adjustment) - EPSILON))
     {
       str = g_strdup (_("Full Volume"));
     }
@@ -146,19 +253,18 @@ cb_query_tooltip (GtkWidget  *button,
     {
       int percent;
 
-      percent = (int) (100. * val / (adj->upper - adj->lower) + .5);
+      percent = (int) (100. * val / (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment)) + .5);
 
       /* Translators: this is the percentage of the current volume,
        * as used in the tooltip, eg. "49 %".
        * Translate the "%d" to "%Id" if you want to use localised digits,
        * or otherwise translate the "%d" to "%d".
-       * Do not translate and do not include the "volume percentage|"
-       * part in the translation!
        */
-      str = g_strdup_printf (Q_("volume percentage|%d %%"), percent);
+      str = g_strdup_printf (C_("volume percentage", "%d %%"), percent);
     }
 
   gtk_tooltip_set_text (tooltip, str);
+  atk_image_set_image_description (image, str);
   g_free (str);
 
   return TRUE;
@@ -169,7 +275,3 @@ cb_value_changed (GtkVolumeButton *button, gdouble value, gpointer user_data)
 {
   gtk_widget_trigger_tooltip_query (GTK_WIDGET (button));
 }
-
-
-#define __GTK_VOLUME_BUTTON_C__
-#include "gtkaliasdef.c"