[evince] zoom-control: Add API to know if zoom dropdown menu is currently shown

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 0ed4555e0e2deca88293b5b208fed0be9fa3284c
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Sun Oct 14 12:55:58 2012 +0200

    zoom-control: Add API to know if zoom dropdown menu is currently shown

 cut-n-paste/zoom-control/ephy-zoom-action.c  |   17 +++++++++++++
 cut-n-paste/zoom-control/ephy-zoom-action.h  |    1 +
 cut-n-paste/zoom-control/ephy-zoom-control.c |   33 +++++++++++++++++++++++++-
 cut-n-paste/zoom-control/ephy-zoom-control.h |    2 +
 4 files changed, 52 insertions(+), 1 deletions(-)
---
diff --git a/cut-n-paste/zoom-control/ephy-zoom-action.c b/cut-n-paste/zoom-control/ephy-zoom-action.c
index b6250c8..42bb1d2 100644
--- a/cut-n-paste/zoom-control/ephy-zoom-action.c
+++ b/cut-n-paste/zoom-control/ephy-zoom-action.c
@@ -38,6 +38,7 @@ struct _EphyZoomActionPrivate
 	float zoom;
 	float min_zoom;
 	float max_zoom;
+        gboolean popup_shown;
 };
 
 enum
@@ -95,6 +96,12 @@ sync_max_zoom_cb (GtkAction *action, GParamSpec *pspec, GtkWidget *proxy)
 }
 
 static void
+popup_shown_cb (EphyZoomControl *control, GParamSpec *pspec, EphyZoomAction *zoom_action)
+{
+        zoom_action->priv->popup_shown = ephy_zoom_control_get_popup_shown (control);
+}
+
+static void
 connect_proxy (GtkAction *action, GtkWidget *proxy)
 {
 	if (EPHY_IS_ZOOM_CONTROL (proxy))
@@ -107,6 +114,8 @@ connect_proxy (GtkAction *action, GtkWidget *proxy)
 					 G_CALLBACK (sync_max_zoom_cb), proxy, 0);
 		g_signal_connect (proxy, "zoom_to_level",
 				  G_CALLBACK (zoom_to_level_cb), action);
+                g_signal_connect (proxy, "notify::popup-shown",
+                                  G_CALLBACK (popup_shown_cb), action);
 	}
 
 	GTK_ACTION_CLASS (ephy_zoom_action_parent_class)->connect_proxy (action, proxy);
@@ -334,3 +343,11 @@ ephy_zoom_action_set_max_zoom_level (EphyZoomAction *action,
 
 	g_object_notify (G_OBJECT (action), "max-zoom");
 }
+
+gboolean
+ephy_zoom_action_get_popup_shown (EphyZoomAction *action)
+{
+        g_return_val_if_fail (EPHY_IS_ZOOM_ACTION (action), FALSE);
+
+        return action->priv->popup_shown;
+}
diff --git a/cut-n-paste/zoom-control/ephy-zoom-action.h b/cut-n-paste/zoom-control/ephy-zoom-action.h
index cf9f6fe..a8ecfba 100644
--- a/cut-n-paste/zoom-control/ephy-zoom-action.h
+++ b/cut-n-paste/zoom-control/ephy-zoom-action.h
@@ -62,6 +62,7 @@ void    ephy_zoom_action_set_min_zoom_level (EphyZoomAction *action,
 					     float           zoom);
 void    ephy_zoom_action_set_max_zoom_level (EphyZoomAction *action,
 					     float           zoom);
+gboolean ephy_zoom_action_get_popup_shown   (EphyZoomAction *action);
 
 G_END_DECLS
 
diff --git a/cut-n-paste/zoom-control/ephy-zoom-control.c b/cut-n-paste/zoom-control/ephy-zoom-control.c
index 5836a27..fa1ee21 100644
--- a/cut-n-paste/zoom-control/ephy-zoom-control.c
+++ b/cut-n-paste/zoom-control/ephy-zoom-control.c
@@ -51,7 +51,8 @@ enum
 	PROP_0,
 	PROP_ZOOM,
 	PROP_MIN_ZOOM,
-	PROP_MAX_ZOOM
+	PROP_MAX_ZOOM,
+        PROP_POPUP_SHOWN
 };
 
 enum
@@ -130,6 +131,12 @@ sync_zoom_max_min_cb (EphyZoomControl *control, GParamSpec *pspec, gpointer data
 	g_signal_handler_unblock (p->combo, p->handler_id);
 }
 
+static void
+popup_shown_cb (GtkComboBox *combo, GParamSpec *pspec, EphyZoomControl *control)
+{
+        g_object_notify (G_OBJECT (control), "popup-shown");
+}
+
 static gboolean
 row_is_separator (GtkTreeModel *model,
 		  GtkTreeIter  *iter,
@@ -208,6 +215,8 @@ ephy_zoom_control_init (EphyZoomControl *control)
 
 	p->handler_id = g_signal_connect (p->combo, "changed",
 					  G_CALLBACK (combo_changed_cb), control);
+        g_signal_connect (p->combo, "notify::popup-shown",
+                          G_CALLBACK (popup_shown_cb), control);
 	
 	g_signal_connect_object (control, "notify::zoom",
 				 G_CALLBACK (sync_zoom_cb), NULL, 0);
@@ -266,6 +275,9 @@ ephy_zoom_control_get_property (GObject *object,
 		case PROP_MAX_ZOOM:
 			g_value_set_float (value, p->max_zoom);
 			break;
+                case PROP_POPUP_SHOWN:
+                        g_value_set_boolean (value, ephy_zoom_control_get_popup_shown (control));
+                        break;
 	}
 }
 
@@ -307,6 +319,13 @@ ephy_zoom_control_class_init (EphyZoomControlClass *klass)
 							     ZOOM_MAXIMAL,
 							     ZOOM_MAXIMAL,
 							     G_PARAM_READWRITE));
+        g_object_class_install_property (object_class,
+                                         PROP_POPUP_SHOWN,
+                                         g_param_spec_boolean ("popup-shown",
+                                                               "Popup shown",
+                                                               "Whether the combo's dropdown is shown",
+                                                               FALSE,
+                                                               G_PARAM_READABLE));
 
 	signals[ZOOM_TO_LEVEL_SIGNAL] =
 		g_signal_new ("zoom_to_level",
@@ -341,3 +360,15 @@ ephy_zoom_control_get_zoom_level (EphyZoomControl *control)
 	
 	return control->priv->zoom;
 }
+
+gboolean
+ephy_zoom_control_get_popup_shown (EphyZoomControl *control)
+{
+        gboolean retval;
+
+        g_return_val_if_fail (EPHY_IS_ZOOM_CONTROL (control), FALSE);
+
+        g_object_get (control->priv->combo, "popup-shown", &retval, NULL);
+
+        return retval;
+}
diff --git a/cut-n-paste/zoom-control/ephy-zoom-control.h b/cut-n-paste/zoom-control/ephy-zoom-control.h
index 8e74e7b..c6d9bea 100644
--- a/cut-n-paste/zoom-control/ephy-zoom-control.h
+++ b/cut-n-paste/zoom-control/ephy-zoom-control.h
@@ -58,6 +58,8 @@ void	ephy_zoom_control_set_zoom_level (EphyZoomControl *control, float zoom);
 
 float	ephy_zoom_control_get_zoom_level (EphyZoomControl *control);
 
+gboolean ephy_zoom_control_get_popup_shown (EphyZoomControl *control);
+
 G_END_DECLS
 
 #endif