Merge pull request #81 from NiceandGently/dev-thumbview

GTK3: fix broken thumbview

1 files changed, 175 insertions, 0 deletions

diff --git a/src/eom-thumb-view.c b/src/eom-thumb-view.c
index e52886c..aba4eba 100644
--- a/src/eom-thumb-view.c
+++ b/src/eom-thumb-view.c
@@ -38,12 +38,23 @@
 #include <stdlib.h>
 #include <string.h>
 
+#if GTK_CHECK_VERSION (3, 4, 3)
+enum {
+  PROP_0,
+  PROP_ORIENTATION
+};
+#endif
+
 #define EOM_THUMB_VIEW_SPACING 0
 
 #define EOM_THUMB_VIEW_GET_PRIVATE(object)				\
 	(G_TYPE_INSTANCE_GET_PRIVATE ((object), EOM_TYPE_THUMB_VIEW, EomThumbViewPrivate))
 
+#if GTK_CHECK_VERSION (3, 4, 3)
+static void eom_thumb_view_init (EomThumbView *thumbview);
+#else
 G_DEFINE_TYPE (EomThumbView, eom_thumb_view, GTK_TYPE_ICON_VIEW);
+#endif
 
 static EomImage* eom_thumb_view_get_image_from_path (EomThumbView      *thumbview,
 						     GtkTreePath       *path);
@@ -51,6 +62,13 @@ static EomImage* eom_thumb_view_get_image_from_path (EomThumbView      *thumbvie
 static void      eom_thumb_view_popup_menu          (EomThumbView      *widget,
 						     GdkEventButton    *event);
 
+#if GTK_CHECK_VERSION (3, 4, 3)
+static void      eom_thumb_view_update_columns (EomThumbView *view);
+
+G_DEFINE_TYPE_WITH_CODE (EomThumbView, eom_thumb_view, GTK_TYPE_ICON_VIEW,
+						 G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL));
+#endif
+
 static gboolean
 thumbview_on_query_tooltip_cb (GtkWidget  *widget,
 			       gint        x,
@@ -81,6 +99,13 @@ struct _EomThumbViewPrivate {
 	GtkWidget *menu;  /* a contextual menu for thumbnails */
 	GtkCellRenderer *pixbuf_cell;
 	gint visible_range_changed_id;
+
+#if GTK_CHECK_VERSION (3, 4, 3)
+	GtkOrientation orientation;
+	gint n_images;
+	gulong image_add_id;
+	gulong image_removed_id;
+#endif
 };
 
 /* Drag 'n Drop */
@@ -152,12 +177,29 @@ static void
 eom_thumb_view_dispose (GObject *object)
 {
 	EomThumbViewPrivate *priv = EOM_THUMB_VIEW (object)->priv;
+#if GTK_CHECK_VERSION (3, 4, 3)
+	GtkTreeModel *model;
+#endif
 
 	if (priv->visible_range_changed_id != 0) {
 		g_source_remove (priv->visible_range_changed_id);
 		priv->visible_range_changed_id = 0;
 	}
 
+#if GTK_CHECK_VERSION (3, 4, 3)
+	model = gtk_icon_view_get_model (GTK_ICON_VIEW (object));
+
+	if (model && priv->image_add_id != 0) {
+		g_signal_handler_disconnect (model, priv->image_add_id);
+		priv->image_add_id = 0;
+	}
+
+	if (model && priv->image_removed_id) {
+		g_signal_handler_disconnect (model, priv->image_removed_id);
+		priv->image_removed_id = 0;
+	}
+#endif
+
 	G_OBJECT_CLASS (eom_thumb_view_parent_class)->dispose (object);
 }
 
@@ -189,6 +231,50 @@ eom_thumb_view_destroy (GtkObject *object)
 #endif
 }
 
+#if GTK_CHECK_VERSION (3, 4, 3)
+static void
+eom_thumb_view_get_property (GObject    *object,
+			     guint       prop_id,
+			     GValue     *value,
+			     GParamSpec *pspec)
+{
+	EomThumbView *view = EOM_THUMB_VIEW (object);
+
+	switch (prop_id)
+	{
+	case PROP_ORIENTATION:
+		g_value_set_enum (value, view->priv->orientation);
+		break;
+
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+eom_thumb_view_set_property (GObject      *object,
+			     guint         prop_id,
+			     const GValue *value,
+			     GParamSpec   *pspec)
+{
+	EomThumbView *view = EOM_THUMB_VIEW (object);
+
+	switch (prop_id)
+	{
+	case PROP_ORIENTATION:
+		view->priv->orientation = g_value_get_enum (value);
+#if GTK_CHECK_VERSION (3, 4, 3)
+		eom_thumb_view_update_columns (view);
+#endif
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+#endif
+
 static void
 eom_thumb_view_class_init (EomThumbViewClass *class)
 {
@@ -200,6 +286,13 @@ eom_thumb_view_class_init (EomThumbViewClass *class)
 #endif
 	gobject_class->constructed = eom_thumb_view_constructed;
 	gobject_class->dispose = eom_thumb_view_dispose;
+#if GTK_CHECK_VERSION (3, 4, 3)
+	gobject_class->get_property = eom_thumb_view_get_property;
+	gobject_class->set_property = eom_thumb_view_set_property;
+
+	g_object_class_override_property (gobject_class, PROP_ORIENTATION,
+	                                  "orientation");
+#endif
 	gobject_class->finalize = eom_thumb_view_finalize;
 #if GTK_CHECK_VERSION(3, 0, 0)
 	widget_class->destroy = eom_thumb_view_destroy;
@@ -616,6 +709,10 @@ eom_thumb_view_init (EomThumbView *thumbview)
 	thumbview->priv = EOM_THUMB_VIEW_GET_PRIVATE (thumbview);
 
 	thumbview->priv->visible_range_changed_id = 0;
+#if GTK_CHECK_VERSION (3, 4, 3)
+	thumbview->priv->image_add_id = 0;
+	thumbview->priv->image_removed_id = 0;
+#endif
 }
 
 /**
@@ -635,6 +732,45 @@ eom_thumb_view_new (void)
 	return GTK_WIDGET (thumbview);
 }
 
+#if GTK_CHECK_VERSION (3, 4, 3)
+static void
+eom_thumb_view_update_columns (EomThumbView *view)
+{
+	EomThumbViewPrivate *priv;
+
+	g_return_if_fail (EOM_IS_THUMB_VIEW (view));
+
+	priv = view->priv;
+
+	if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
+			gtk_icon_view_set_columns (GTK_ICON_VIEW (view),
+			                           priv->n_images);
+}
+
+static void
+eom_thumb_view_row_inserted_cb (GtkTreeModel    *tree_model,
+                                GtkTreePath     *path,
+                                GtkTreeIter     *iter,
+                                EomThumbView    *view)
+{
+	EomThumbViewPrivate *priv = view->priv;
+
+	priv->n_images++;
+	eom_thumb_view_update_columns (view);
+}
+
+static void
+eom_thumb_view_row_deleted_cb (GtkTreeModel    *tree_model,
+                               GtkTreePath     *path,
+                               EomThumbView    *view)
+{
+	EomThumbViewPrivate *priv = view->priv;
+
+	priv->n_images--;
+	eom_thumb_view_update_columns (view);
+}
+#endif
+
 /**
  * eom_thumb_view_set_model:
  * @thumbview: A #EomThumbView.
@@ -648,13 +784,52 @@ void
 eom_thumb_view_set_model (EomThumbView *thumbview, EomListStore *store)
 {
 	gint index;
+#if GTK_CHECK_VERSION (3, 4, 3)
+	EomThumbViewPrivate *priv;
+	GtkTreeModel *existing;
+#endif
 
 	g_return_if_fail (EOM_IS_THUMB_VIEW (thumbview));
 	g_return_if_fail (EOM_IS_LIST_STORE (store));
 
+#if GTK_CHECK_VERSION (3, 4, 3)
+	priv = thumbview->priv;
+
+	existing = gtk_icon_view_get_model (GTK_ICON_VIEW (thumbview));
+
+	if (existing != NULL) {
+		if (priv->image_add_id != 0) {
+			g_signal_handler_disconnect (existing,
+			                             priv->image_add_id);
+		}
+		if (priv->image_removed_id != 0) {
+			g_signal_handler_disconnect (existing,
+			                             priv->image_removed_id);
+
+		}
+	}
+
+	priv->image_add_id = g_signal_connect (G_OBJECT (store), "row-inserted",
+	                            G_CALLBACK (eom_thumb_view_row_inserted_cb),
+	                            thumbview);
+	priv->image_removed_id = g_signal_connect (G_OBJECT (store),
+	                             "row-deleted",
+	                             G_CALLBACK (eom_thumb_view_row_deleted_cb),
+	                             thumbview);
+
+	thumbview->priv->n_images = eom_list_store_length (store);
+#endif
+
 	index = eom_list_store_get_initial_pos (store);
 
+#if GTK_CHECK_VERSION (3, 4, 3)
+	gtk_icon_view_set_model (GTK_ICON_VIEW (thumbview),
+	                         GTK_TREE_MODEL (store));
+
+	eom_thumb_view_update_columns (thumbview);
+#else
 	gtk_icon_view_set_model (GTK_ICON_VIEW (thumbview), GTK_TREE_MODEL (store));
+#endif
 
 	if (index >= 0) {
 		GtkTreePath *path = gtk_tree_path_new_from_indices (index, -1);