[ephy-zoom] Add max/min zoom properties

[evince.git] / cut-n-paste / zoom-control / ephy-zoom-control.c

diff --git a/cut-n-paste/zoom-control/ephy-zoom-control.c b/cut-n-paste/zoom-control/ephy-zoom-control.c
index 07bd030269daf6416ae472cfbbb4684cd24a51fb..6c86b4a46e52cf8206b7bfadfc7e6ea0a27fe89a 100644 (file)
--- a/cut-n-paste/zoom-control/ephy-zoom-control.c
+++ b/cut-n-paste/zoom-control/ephy-zoom-control.c
@@ -35,6 +35,8 @@ struct _EphyZoomControlPrivate
 {
        GtkComboBox *combo;
        float zoom;
+       float min_zoom;
+       float max_zoom;
        guint handler_id;
 };
 
@@ -47,7 +49,9 @@ enum
 enum
 {
        PROP_0,
-       PROP_ZOOM
+       PROP_ZOOM,
+       PROP_MIN_ZOOM,
+       PROP_MAX_ZOOM
 };
 
 enum
@@ -88,6 +92,44 @@ sync_zoom_cb (EphyZoomControl *control, GParamSpec *pspec, gpointer data)
        g_signal_handler_unblock (p->combo, p->handler_id);     
 }
 
+static void
+sync_zoom_max_min_cb (EphyZoomControl *control, GParamSpec *pspec, gpointer data)
+{
+       EphyZoomControlPrivate *p = control->priv;
+       GtkListStore *model = (GtkListStore *)gtk_combo_box_get_model (p->combo);
+       GtkTreeIter iter;
+       gint i;
+
+       g_signal_handler_block (p->combo, p->handler_id);
+       gtk_list_store_clear (model);
+
+       for (i = 0; i < n_zoom_levels; i++)
+       {
+               if (zoom_levels[i].level > 0) {
+                       if (zoom_levels[i].level < p->min_zoom)
+                               continue;
+
+                       if (zoom_levels[i].level > p->max_zoom)
+                               break;
+               }
+
+               gtk_list_store_append (model, &iter);
+
+               if (zoom_levels[i].name != NULL) {
+                       gtk_list_store_set (model, &iter,
+                                           COL_TEXT, _(zoom_levels[i].name),
+                                           -1);
+               } else {
+                       gtk_list_store_set (model, &iter,
+                                           COL_IS_SEP, zoom_levels[i].name == NULL,
+                                           -1);
+               }
+       }
+
+       gtk_combo_box_set_active (p->combo, ephy_zoom_get_zoom_level_index (p->zoom));
+       g_signal_handler_unblock (p->combo, p->handler_id);
+}
+
 static gboolean
 row_is_separator (GtkTreeModel *model,
                  GtkTreeIter  *iter,
@@ -169,6 +211,10 @@ ephy_zoom_control_init (EphyZoomControl *control)
        
        g_signal_connect_object (control, "notify::zoom",
                                 G_CALLBACK (sync_zoom_cb), NULL, 0);
+       g_signal_connect_object (control, "notify::min-zoom",
+                                G_CALLBACK (sync_zoom_max_min_cb), NULL, 0);
+       g_signal_connect_object (control, "notify::max-zoom",
+                                G_CALLBACK (sync_zoom_max_min_cb), NULL, 0);
 }
 
 static void
@@ -188,6 +234,12 @@ ephy_zoom_control_set_property (GObject *object,
                case PROP_ZOOM:
                        p->zoom = g_value_get_float (value);
                        break;
+               case PROP_MIN_ZOOM:
+                       p->min_zoom = g_value_get_float (value);
+                       break;
+               case PROP_MAX_ZOOM:
+                       p->max_zoom = g_value_get_float (value);
+                       break;
        }
 }
 
@@ -208,6 +260,12 @@ ephy_zoom_control_get_property (GObject *object,
                case PROP_ZOOM:
                        g_value_set_float (value, p->zoom);
                        break;
+               case PROP_MIN_ZOOM:
+                       g_value_set_float (value, p->min_zoom);
+                       break;
+               case PROP_MAX_ZOOM:
+                       g_value_set_float (value, p->max_zoom);
+                       break;
        }
 }
 
@@ -233,6 +291,24 @@ ephy_zoom_control_class_init (EphyZoomControlClass *klass)
                                                             ZOOM_MAXIMAL,
                                                             1.0,
                                                             G_PARAM_READWRITE));
+       g_object_class_install_property (object_class,
+                                        PROP_MIN_ZOOM,
+                                        g_param_spec_float ("min-zoom",
+                                                            "MinZoom",
+                                                            "The minimum zoom",
+                                                            ZOOM_MINIMAL,
+                                                            ZOOM_MAXIMAL,
+                                                            ZOOM_MINIMAL,
+                                                            G_PARAM_READWRITE));
+       g_object_class_install_property (object_class,
+                                        PROP_MAX_ZOOM,
+                                        g_param_spec_float ("max-zoom",
+                                                            "MaxZoom",
+                                                            "The maximum zoom",
+                                                            ZOOM_MINIMAL,
+                                                            ZOOM_MAXIMAL,
+                                                            ZOOM_MAXIMAL,
+                                                            G_PARAM_READWRITE));
 
        signals[ZOOM_TO_LEVEL_SIGNAL] =
                g_signal_new ("zoom_to_level",