[gtk+] GtkPlacesSidebar: support open locations when dragging text

[Nelson Benítez León <nbenitez src gnome org>]

commit 1b839d4b72a2cedb2bb633b5acd57239860693f4
Author: Nelson Benítez León <nbenitezl+gnome gmail com>
Date:   Sat Sep 7 13:09:47 2013 +0200

    GtkPlacesSidebar: support open locations when dragging text
    
    Make GtkPlacesSidebar also open locations when hovered by
    text dnd targets.
    
    Part of bug 707679

 gtk/gtkplacessidebar.c |   21 ++++++++++++++++-----
 1 files changed, 16 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtkplacessidebar.c b/gtk/gtkplacessidebar.c
index 8dcca81..614bb4f 100644
--- a/gtk/gtkplacessidebar.c
+++ b/gtk/gtkplacessidebar.c
@@ -290,7 +290,8 @@ static void  check_unmount_and_eject                   (GMount *mount,
 enum {
        GTK_TREE_MODEL_ROW,
        TEXT_URI_LIST,
-       XDND_DIRECT_SAVE
+       XDND_DIRECT_SAVE,
+       TEXT
 };
 
 /* Target types for dragging from the shortcuts list */
@@ -1594,11 +1595,13 @@ drag_motion_callback (GtkTreeView *tree_view,
        gboolean res;
        gboolean drop_as_bookmarks;
        gboolean valid_xds_drag;
+       gboolean valid_text_drag;
        char *drop_target_uri = NULL;
 
        action = 0;
        drop_as_bookmarks = FALSE;
        valid_xds_drag = FALSE;
+       valid_text_drag = FALSE;
        path = NULL;
 
        if (!sidebar->drag_data_received) {
@@ -1618,13 +1621,15 @@ drag_motion_callback (GtkTreeView *tree_view,
                /* Dragging bookmarks always moves them to another position in the bookmarks list */
                action = GDK_ACTION_MOVE;
        } else if (sidebar->drag_data_received &&
-                  sidebar->drag_data_info == XDND_DIRECT_SAVE) {
+                  (sidebar->drag_data_info == XDND_DIRECT_SAVE ||
+                   sidebar->drag_data_info == TEXT)) {
                gtk_tree_model_get_iter (GTK_TREE_MODEL (sidebar->store), &iter, path);
                gtk_tree_model_get (GTK_TREE_MODEL (sidebar->store),
                                    &iter,
                                    PLACES_SIDEBAR_COLUMN_URI, &drop_target_uri,
                                    -1);
-               valid_xds_drag = TRUE;
+               valid_text_drag = sidebar->drag_data_info == TEXT;
+               valid_xds_drag = !valid_text_drag;
        } else {
                /* URIs are being dragged.  See if the caller wants to handle a
                 * file move/copy operation itself, or if we should only try to
@@ -1667,7 +1672,7 @@ drag_motion_callback (GtkTreeView *tree_view,
        }
 
  out:
-       if (action != 0 || valid_xds_drag) {
+       if (action != 0 || valid_xds_drag || valid_text_drag) {
                check_switch_location_timer (sidebar, drop_target_uri);
                start_drop_feedback (sidebar, path, pos, drop_as_bookmarks);
        } else {
@@ -3652,6 +3657,7 @@ gtk_places_sidebar_init (GtkPlacesSidebar *sidebar)
        GtkCellRenderer   *cell;
        GtkTreeSelection  *selection;
        GIcon             *eject;
+       GtkTargetList     *target_list;
 
        gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (sidebar)), 
GTK_STYLE_CLASS_SIDEBAR);
 
@@ -3815,9 +3821,14 @@ gtk_places_sidebar_init (GtkPlacesSidebar *sidebar)
                                                GDK_ACTION_MOVE);
        gtk_drag_dest_set (GTK_WIDGET (tree_view),
                           0,
-                          dnd_drop_targets, G_N_ELEMENTS (dnd_drop_targets),
+                          NULL, 0,
                           GDK_ACTION_MOVE | GDK_ACTION_COPY | GDK_ACTION_LINK);
 
+       target_list = gtk_target_list_new (dnd_drop_targets, G_N_ELEMENTS (dnd_drop_targets));
+       gtk_target_list_add_text_targets (target_list, TEXT);
+       gtk_drag_dest_set_target_list (GTK_WIDGET (tree_view), target_list);
+       gtk_target_list_unref (target_list);
+
        g_signal_connect (tree_view, "key-press-event",
                          G_CALLBACK (bookmarks_key_press_event_cb), sidebar);