diff options
| -rw-r--r-- | scene/gui/tab_bar.cpp | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/scene/gui/tab_bar.cpp b/scene/gui/tab_bar.cpp index f87829cf71..beaffc14b0 100644 --- a/scene/gui/tab_bar.cpp +++ b/scene/gui/tab_bar.cpp @@ -154,7 +154,9 @@ void TabBar::gui_input(const Ref<InputEvent> &p_event) { queue_redraw(); } - _update_hover(); + if (!tabs.is_empty()) { + _update_hover(); + } return; } @@ -362,12 +364,19 @@ void TabBar::_notification(int p_what) { } break; case NOTIFICATION_DRAW: { + bool rtl = is_layout_rtl(); + Vector2 size = get_size(); + if (tabs.is_empty()) { + // Draw the drop indicator where the first tab would be if there are no tabs. + if (dragging_valid_tab) { + int x = rtl ? size.x : 0; + theme_cache.drop_mark_icon->draw(get_canvas_item(), Point2(x - (theme_cache.drop_mark_icon->get_width() / 2), (size.height - theme_cache.drop_mark_icon->get_height()) / 2), theme_cache.drop_mark_color); + } + return; } - bool rtl = is_layout_rtl(); - Vector2 size = get_size(); int limit_minus_buttons = size.width - theme_cache.increment_icon->get_width() - theme_cache.decrement_icon->get_width(); int ofs = tabs[offset].ofs_cache; @@ -1092,7 +1101,8 @@ void TabBar::drop_data(const Point2 &p_point, const Variant &p_data) { hover_now += 1; } } else { - hover_now = is_layout_rtl() ^ (p_point.x < get_tab_rect(0).position.x) ? 0 : get_tab_count() - 1; + int x = tabs.is_empty() ? 0 : get_tab_rect(0).position.x; + hover_now = is_layout_rtl() ^ (p_point.x < x) ? 0 : get_tab_count() - 1; } move_tab(tab_from_id, hover_now); @@ -1118,7 +1128,7 @@ void TabBar::drop_data(const Point2 &p_point, const Variant &p_data) { hover_now += 1; } } else { - hover_now = is_layout_rtl() ^ (p_point.x < get_tab_rect(0).position.x) ? 0 : get_tab_count(); + hover_now = tabs.is_empty() || (is_layout_rtl() ^ (p_point.x < get_tab_rect(0).position.x)) ? 0 : get_tab_count(); } Tab moving_tab = from_tabs->tabs[tab_from_id]; @@ -1154,10 +1164,13 @@ void TabBar::drop_data(const Point2 &p_point, const Variant &p_data) { int TabBar::get_tab_idx_at_point(const Point2 &p_point) const { int hover_now = -1; - for (int i = offset; i <= max_drawn_tab; i++) { - Rect2 rect = get_tab_rect(i); - if (rect.has_point(p_point)) { - hover_now = i; + + if (!tabs.is_empty()) { + for (int i = offset; i <= max_drawn_tab; i++) { + Rect2 rect = get_tab_rect(i); + if (rect.has_point(p_point)) { + hover_now = i; + } } } |