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Fix errors when TabBar is empty

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This commit is contained in:
Michael Alexsander 2022-12-26 23:17:05 -03:00
parent b6e06038f8
commit 82d94cc5c0
1 changed files with 22 additions and 9 deletions
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31
scene/gui/tab_bar.cpp
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@ -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;
}
}
}