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-rw-r--r--lib/widgets/ephy-node-view.c215
1 files changed, 199 insertions, 16 deletions
diff --git a/lib/widgets/ephy-node-view.c b/lib/widgets/ephy-node-view.c
index 5b5268cbb..da71ff2a2 100644
--- a/lib/widgets/ephy-node-view.c
+++ b/lib/widgets/ephy-node-view.c
@@ -68,6 +68,11 @@ struct EphyNodeViewPrivate
int editable_property;
int searchable_data_column;
+
+ int drag_button;
+ int drag_x;
+ int drag_y;
+ GtkTargetList *source_target_list;
};
enum
@@ -202,6 +207,11 @@ ephy_node_view_finalize (GObject *object)
g_object_unref (G_OBJECT (view->priv->filtermodel));
g_object_unref (G_OBJECT (view->priv->nodemodel));
+ if (view->priv->source_target_list)
+ {
+ gtk_target_list_unref (view->priv->source_target_list);
+ }
+
g_free (view->priv);
G_OBJECT_CLASS (parent_class)->finalize (object);
@@ -334,9 +344,9 @@ ephy_node_view_enable_drag_dest (EphyNodeView *view,
treeview = GTK_WIDGET (view);
- gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (treeview),
- types, n_types,
- GDK_ACTION_COPY);
+ gtk_drag_dest_set (GTK_WIDGET (treeview),
+ 0, types, n_types,
+ GDK_ACTION_COPY);
view->priv->drag_targets = gtk_target_list_new (types, n_types);
g_signal_connect (treeview, "drag_data_received",
@@ -484,6 +494,138 @@ ephy_node_view_key_press_cb (GtkTreeView *treeview,
return FALSE;
}
+static void
+selection_foreach (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ gpointer data)
+{
+ GList **list;
+
+ list = (GList**)data;
+
+ *list = g_list_prepend (*list,
+ gtk_tree_row_reference_new (model, path));
+}
+
+static GList *
+get_selection_refs (GtkTreeView *tree_view)
+{
+ GtkTreeSelection *selection;
+ GList *ref_list;
+
+ ref_list = NULL;
+
+ selection = gtk_tree_view_get_selection (tree_view);
+ gtk_tree_selection_selected_foreach (selection,
+ selection_foreach,
+ &ref_list);
+ ref_list = g_list_reverse (ref_list);
+
+ return ref_list;
+}
+
+static void
+ref_list_free (GList *ref_list)
+{
+ g_list_foreach (ref_list, (GFunc) gtk_tree_row_reference_free, NULL);
+ g_list_free (ref_list);
+}
+
+static void
+stop_drag_check (EphyNodeView *view)
+{
+ view->priv->drag_button = 0;
+}
+
+static void
+drag_data_get_cb (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time)
+{
+ GtkTreeView *tree_view;
+ GtkTreeModel *model;
+ GList *ref_list;
+
+ tree_view = GTK_TREE_VIEW (widget);
+
+ model = gtk_tree_view_get_model (tree_view);
+ g_return_if_fail (model != NULL);
+
+ ref_list = g_object_get_data (G_OBJECT (context), "drag-info");
+
+ if (ref_list == NULL)
+ {
+ return;
+ }
+
+ if (EGG_IS_TREE_MULTI_DRAG_SOURCE (model))
+ {
+ egg_tree_multi_drag_source_drag_data_get (EGG_TREE_MULTI_DRAG_SOURCE (model),
+ ref_list,
+ selection_data);
+ }
+}
+
+static gboolean
+button_release_cb (GtkWidget *widget,
+ GdkEventButton *event,
+ EphyNodeView *view)
+{
+ if (event->button == view->priv->drag_button)
+ {
+ stop_drag_check (view);
+ }
+ return FALSE;
+}
+
+static gboolean
+motion_notify_cb (GtkWidget *widget,
+ GdkEventMotion *event,
+ EphyNodeView *view)
+{
+ GdkDragContext *context;
+ GList *ref_list;
+
+ if (event->window != gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget)))
+ {
+ return FALSE;
+ }
+ if (view->priv->drag_button != 0)
+ {
+ if (gtk_drag_check_threshold (widget, view->priv->drag_x,
+ view->priv->drag_y, event->x,
+ event->y))
+ {
+ context = gtk_drag_begin
+ (widget, view->priv->source_target_list,
+ GDK_ACTION_COPY,
+ view->priv->drag_button,
+ (GdkEvent*)event);
+
+ stop_drag_check (view);
+
+ ref_list = get_selection_refs (GTK_TREE_VIEW (widget));
+ g_object_set_data_full (G_OBJECT (context),
+ "drag-info",
+ ref_list,
+ (GDestroyNotify)ref_list_free);
+
+ gtk_drag_set_icon_default (context);
+ }
+ }
+
+ return TRUE;
+}
+
+static gboolean
+button_event_modifies_selection (GdkEventButton *event)
+{
+ return (event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) != 0;
+}
+
static gboolean
ephy_node_view_button_press_cb (GtkWidget *treeview,
GdkEventButton *event,
@@ -491,8 +633,8 @@ ephy_node_view_button_press_cb (GtkWidget *treeview,
{
GtkTreePath *path = NULL;
GtkTreeSelection *selection;
-
- if (event->button != 3) return FALSE;
+ gboolean call_parent = TRUE, path_is_selected;
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (treeview),
event->x,
@@ -500,19 +642,47 @@ ephy_node_view_button_press_cb (GtkWidget *treeview,
&path,
NULL, NULL, NULL))
{
- selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
- if (!gtk_tree_selection_path_is_selected (selection, path))
+ path_is_selected = gtk_tree_selection_path_is_selected (selection, path);
+
+ if (!gtk_widget_is_focus (GTK_WIDGET (treeview)))
+ {
+ gtk_widget_grab_focus (GTK_WIDGET (treeview));
+ }
+
+ if (event->button == 3 && path_is_selected)
+ {
+ call_parent = FALSE;
+ }
+
+ if(!button_event_modifies_selection (event) &&
+ event->button == 1 && path_is_selected &&
+ gtk_tree_selection_count_selected_rows (selection) > 1)
+ {
+ call_parent = FALSE;
+ }
+
+ if (call_parent)
{
GTK_WIDGET_CLASS (parent_class)->button_press_event (treeview, event);
}
- else if (!gtk_widget_is_focus (GTK_WIDGET (treeview)))
+
+ if (event->button == 3)
{
- gtk_widget_grab_focus (GTK_WIDGET (treeview));
+ g_signal_emit (G_OBJECT (view), ephy_node_view_signals[SHOW_POPUP], 0);
}
+ else if (event->button == 1)
+ {
+ view->priv->drag_button = event->button;
+ view->priv->drag_x = event->x;
+ view->priv->drag_y = event->y;
+ }
- g_signal_emit (G_OBJECT (view), ephy_node_view_signals[SHOW_POPUP], 0);
gtk_tree_path_free (path);
}
+ else
+ {
+ gtk_tree_selection_unselect_all (selection);
+ }
return TRUE;
}
@@ -902,6 +1072,7 @@ ephy_node_view_init (EphyNodeView *view)
view->priv->editable_renderer = NULL;
view->priv->editing = TRUE;
view->priv->searchable_data_column = -1;
+ view->priv->source_target_list = NULL;
gtk_tree_view_set_enable_search (GTK_TREE_VIEW (view), FALSE);
}
@@ -1050,15 +1221,27 @@ ephy_node_view_enable_drag_source (EphyNodeView *view,
treeview = GTK_WIDGET (view);
- egg_tree_multi_drag_add_drag_support (GTK_TREE_VIEW (treeview));
-
- gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (treeview),
- GDK_BUTTON1_MASK,
- types, n_types,
- GDK_ACTION_COPY);
+ view->priv->source_target_list =
+ gtk_target_list_new (types, n_types);
ephy_tree_model_sort_set_column_id (EPHY_TREE_MODEL_SORT (view->priv->sortmodel),
column);
+
+ g_signal_connect_object (G_OBJECT (view),
+ "button_release_event",
+ G_CALLBACK (button_release_cb),
+ view,
+ 0);
+ g_signal_connect_object (G_OBJECT (view),
+ "motion_notify_event",
+ G_CALLBACK (motion_notify_cb),
+ view,
+ 0);
+ g_signal_connect_object (G_OBJECT (view),
+ "drag_data_get",
+ G_CALLBACK (drag_data_get_cb),
+ view,
+ 0);
}
void
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 01:53:41 +0800