From 14a901e88f1469e7d39d6a01775622136c721807 Mon Sep 17 00:00:00 2001 From: groud Date: Sat, 29 Dec 2018 15:41:31 +0100 Subject: Enhance tree scrolling when dragging --- scene/gui/tree.cpp | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) (limited to 'scene') diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp index 92f7d6b588..7e59606d2b 100644 --- a/scene/gui/tree.cpp +++ b/scene/gui/tree.cpp @@ -2850,7 +2850,7 @@ void Tree::_notification(int p_what) { if (p_what == NOTIFICATION_DRAG_BEGIN) { single_select_defer = NULL; - if (cache.scroll_speed > 0 && get_rect().has_point(get_viewport()->get_mouse_position() - get_global_position())) { + if (cache.scroll_speed > 0) { scrolling = true; set_physics_process_internal(true); } @@ -2897,22 +2897,22 @@ void Tree::_notification(int p_what) { } } - if (scrolling) { - Point2 point = get_viewport()->get_mouse_position() - get_global_position(); - if (point.x < cache.scroll_border) { - point.x -= cache.scroll_border; - } else if (point.x > get_size().width - cache.scroll_border) { - point.x -= get_size().width - cache.scroll_border; - } else { - point.x = 0; + Point2 mouse_position = get_viewport()->get_mouse_position() - get_global_position(); + if (scrolling && get_rect().grow(cache.scroll_border).has_point(mouse_position)) { + Point2 point; + + if ((ABS(mouse_position.x) < ABS(mouse_position.x - get_size().width)) && (ABS(mouse_position.x) < cache.scroll_border)) { + point.x = mouse_position.x - cache.scroll_border; + } else if (ABS(mouse_position.x - get_size().width) < cache.scroll_border) { + point.x = mouse_position.x - (get_size().width - cache.scroll_border); } - if (point.y < cache.scroll_border) { - point.y -= cache.scroll_border; - } else if (point.y > get_size().height - cache.scroll_border) { - point.y -= get_size().height - cache.scroll_border; - } else { - point.y = 0; + + if ((ABS(mouse_position.y) < ABS(mouse_position.y - get_size().height)) && (ABS(mouse_position.y) < cache.scroll_border)) { + point.y = mouse_position.y - cache.scroll_border; + } else if (ABS(mouse_position.y - get_size().height) < cache.scroll_border) { + point.y = mouse_position.y - (get_size().height - cache.scroll_border); } + point *= cache.scroll_speed * get_physics_process_delta_time(); point += get_scroll(); h_scroll->set_value(point.x); -- cgit v1.2.3