diff options
Diffstat (limited to 'scene/gui/tree.cpp')
| -rw-r--r-- | scene/gui/tree.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp index 20794b2faa..5a614fb1b2 100644 --- a/scene/gui/tree.cpp +++ b/scene/gui/tree.cpp @@ -32,6 +32,7 @@ #include "os/keyboard.h" #include "globals.h" #include "os/input.h" +#include "scene/main/viewport.h" @@ -829,6 +830,8 @@ void Tree::update_cache() { cache.guide_width=get_constant("guide_width"); cache.draw_relationship_lines=get_constant("draw_relationship_lines"); cache.relationship_line_color=get_color("relationship_line_color"); + cache.scroll_border=get_constant("scroll_border"); + cache.scroll_speed=get_constant("scroll_speed"); cache.title_button = get_stylebox("title_button_normal"); cache.title_button_pressed = get_stylebox("title_button_pressed"); @@ -2681,11 +2684,17 @@ void Tree::_notification(int p_what) { if (p_what==NOTIFICATION_DRAG_END) { drop_mode_flags=0; + scrolling = false; + set_fixed_process(false); update(); } if (p_what==NOTIFICATION_DRAG_BEGIN) { single_select_defer=NULL; + if (cache.scroll_speed > 0 && get_rect().has_point(get_viewport()->get_mouse_pos() - get_global_pos())) { + scrolling = true; + set_fixed_process(true); + } } if (p_what==NOTIFICATION_FIXED_PROCESS) { @@ -2731,6 +2740,28 @@ void Tree::_notification(int p_what) { } } + + if (scrolling) { + Point2 point = get_viewport()->get_mouse_pos() - get_global_pos(); + 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; + } + 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; + } + point *= cache.scroll_speed * get_fixed_process_delta_time(); + point += get_scroll(); + h_scroll->set_val(point.x); + v_scroll->set_val(point.y); + } } if (p_what==NOTIFICATION_DRAW) { |