Adding drag auto-scrolling to trees. bug 28226, r=hyatt (2458b2ed) · Commits · The Tor Project / Applications / Mullvad Browser

widget/src/gtk/nsWidget.cpp

+24 −0

Original line number	Diff line number	Diff line
		@@ -1847,6 +1847,20 @@ nsWidget::OnDragEnterSignal(GdkDragContext *aGdkDragContext,
		nsWidget::OnDragLeaveSignal(GdkDragContext *context,
		guint aTime)
		{
		// tell anyone who is interested to stop tracking drags, but only when
		// we're leaving a window, not a child widget
		nsCOMPtr<nsIWidget> parent ( dont_AddRef(GetParent()) );
		if ( !parent ) {
		printf("stopping\n");
		nsCOMPtr<nsIDragService> dragServ ( do_GetService("component://netscape/widget/dragservice") );
		if ( dragServ ) {
		nsCOMPtr<nsIDragSession> session;
		dragServ->GetCurrentSession ( getter_AddRefs(session) );
		if ( session )
		session->StopTracking();
		}
		}

		// update our drag context
		UpdateDragContext(NULL, NULL, aTime);

		@@ -1898,6 +1912,16 @@ nsWidget::OnDragDropSignal(GtkWidget *aWidget,
		gint y,
		guint aTime)
		{
		// tell anyone who is interested to stop tracking drags, but only when
		// we're leaving a window, not a child widget
		nsCOMPtr<nsIDragService> dragServ ( do_GetService("component://netscape/widget/dragservice") );
		if ( dragServ ) {
		nsCOMPtr<nsIDragSession> session;
		dragServ->GetCurrentSession ( getter_AddRefs(session) );
		if ( session )
		session->StopTracking();
		}

		UpdateDragContext(aWidget, aDragContext, aTime);

		nsMouseEvent event;