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Diffstat (limited to 'fiv-sidebar.c')
-rw-r--r--fiv-sidebar.c61
1 files changed, 56 insertions, 5 deletions
diff --git a/fiv-sidebar.c b/fiv-sidebar.c
index 3f5cfab..8cb2080 100644
--- a/fiv-sidebar.c
+++ b/fiv-sidebar.c
@@ -31,6 +31,7 @@ struct _FivSidebar {
G_DEFINE_TYPE(FivSidebar, fiv_sidebar, GTK_TYPE_SCROLLED_WINDOW)
+G_DEFINE_QUARK(fiv-sidebar-drag-gesture-quark, fiv_sidebar_drag_gesture)
G_DEFINE_QUARK(fiv-sidebar-location-quark, fiv_sidebar_location)
G_DEFINE_QUARK(fiv-sidebar-self-quark, fiv_sidebar_self)
@@ -121,6 +122,48 @@ on_breadcrumb_button_release(
}
static void
+on_breadcrumb_gesture_drag_begin(GtkGestureDrag *drag,
+ G_GNUC_UNUSED gdouble start_x, G_GNUC_UNUSED gdouble start_y,
+ G_GNUC_UNUSED gpointer user_data)
+{
+ // Touch screen dragging is how you scroll the parent GtkScrolledWindow,
+ // don't steal that gesture. Moreover, touch screen dragging fails
+ // in the middle, without ever invoking drag-end.
+ GtkGesture *gesture = GTK_GESTURE(drag);
+ if (gdk_device_get_source(
+ gdk_event_get_source_device(gtk_gesture_get_last_event(
+ gesture, gtk_gesture_get_last_updated_sequence(gesture)))) ==
+ GDK_SOURCE_TOUCHSCREEN)
+ gtk_gesture_set_state(gesture, GTK_EVENT_SEQUENCE_DENIED);
+}
+
+static void
+on_breadcrumb_gesture_drag_update(GtkGestureDrag *drag,
+ gdouble offset_x, gdouble offset_y, gpointer user_data)
+{
+ GtkWidget *widget = GTK_WIDGET(user_data);
+ gdouble start_x = 0, start_y = 0;
+ if (!gtk_gesture_drag_get_start_point(drag, &start_x, &start_y) ||
+ !gtk_drag_check_threshold(widget, start_x, start_y,
+ start_x + offset_x, start_y + offset_y))
+ return;
+
+ GtkGesture *gesture = GTK_GESTURE(drag);
+ gtk_gesture_set_state(gesture, GTK_EVENT_SEQUENCE_CLAIMED);
+
+ GdkEvent *event = gdk_event_copy(gtk_gesture_get_last_event(
+ gesture, gtk_gesture_get_last_updated_sequence(gesture)));
+ GtkTargetList *target_list = gtk_target_list_new(NULL, 0);
+ gtk_target_list_add_uri_targets(target_list, 0);
+
+ gtk_drag_begin_with_coordinates(
+ widget, target_list, GDK_ACTION_LINK, 1, event, start_x, start_y);
+
+ gtk_target_list_unref(target_list);
+ gdk_event_free(event);
+}
+
+static void
on_breadcrumb_drag_data_get(G_GNUC_UNUSED GtkWidget *widget,
G_GNUC_UNUSED GdkDragContext *context, GtkSelectionData *selection_data,
G_GNUC_UNUSED guint info, G_GNUC_UNUSED guint time_, gpointer user_data)
@@ -138,6 +181,7 @@ static void
on_breadcrumb_drag_begin(G_GNUC_UNUSED GtkWidget *widget,
GdkDragContext *context, gpointer user_data)
{
+ gtk_drag_set_icon_name(context, "inode-directory-symbolic", 0, 0);
gtk_places_sidebar_set_drop_targets_visible(user_data, TRUE, context);
}
@@ -214,9 +258,17 @@ create_row(FivSidebar *self, GFile *file, const char *icon_name)
GTK_REVEALER(revealer), GTK_REVEALER_TRANSITION_TYPE_NONE);
gtk_container_add(GTK_CONTAINER(revealer), rowbox);
- gtk_drag_source_set(revealer, GDK_BUTTON1_MASK, NULL, 0, GDK_ACTION_LINK);
- gtk_drag_source_add_uri_targets(revealer);
- gtk_drag_source_set_icon_name(revealer, "inode-directory-symbolic");
+ GtkGesture *drag = gtk_gesture_drag_new(revealer);
+ gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(drag), GDK_BUTTON_PRIMARY);
+ gtk_event_controller_set_propagation_phase(
+ GTK_EVENT_CONTROLLER(drag), GTK_PHASE_BUBBLE);
+ g_object_set_qdata_full(G_OBJECT(revealer),
+ fiv_sidebar_drag_gesture_quark(),
+ drag, (GDestroyNotify) g_object_unref);
+ g_signal_connect(drag, "drag-begin",
+ G_CALLBACK(on_breadcrumb_gesture_drag_begin), revealer);
+ g_signal_connect(drag, "drag-update",
+ G_CALLBACK(on_breadcrumb_gesture_drag_update), revealer);
GtkWidget *row = gtk_list_box_row_new();
g_object_set_qdata_full(G_OBJECT(row), fiv_sidebar_location_quark(),
@@ -228,8 +280,7 @@ create_row(FivSidebar *self, GFile *file, const char *icon_name)
g_signal_connect(row, "popup-menu",
G_CALLBACK(on_breadcrumb_popup_menu), NULL);
- // TODO(p): Why do we hook to the revealer, and not the row itself?
- // Is it due to some kind of margin or padding?
+ // Drag signals need to be hooked to a widget with its own GdkWindow.
g_signal_connect(revealer, "button-release-event",
G_CALLBACK(on_breadcrumb_button_release), row);
g_signal_connect(revealer, "drag-data-get",