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Code Issues Projects Releases Packages Wiki Activity Actions 9

GTabWidget: Highlight tab buttons when hovered.

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The active tab's button doesn't get highlighted, since the highlight is
supposed to indicate that the widget can be interacted with.
This commit is contained in:
Andreas Kling 2019-05-07 14:01:20 +02:00
commit 5c4b421d56
Notes: sideshowbarker 2024-07-19 14:12:41 +09:00
3 changed files with 43 additions and 13 deletions
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43
LibGUI/GTabWidget.cpp
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@ -31,9 +31,7 @@ void GTabWidget::set_active_widget(GWidget* widget)
m_active_widget->set_visible(true);
}
auto invalidation_rect = bar_rect();
invalidation_rect.set_height(invalidation_rect.height() + 1);
update(invalidation_rect);
update_bar();
}
void GTabWidget::resize_event(GResizeEvent& event)
@ -97,16 +95,18 @@ void GTabWidget::paint_event(GPaintEvent& event)
for (int i = 0; i < m_tabs.size(); ++i) {
if (m_tabs[i].widget == m_active_widget)
continue;
bool hovered = i == m_hovered_tab_index;
auto button_rect = this->button_rect(i);
StylePainter::paint_tab_button(painter, button_rect, false, m_tabs[i].hovered, m_tabs[i].widget->is_enabled());
StylePainter::paint_tab_button(painter, button_rect, false, hovered, m_tabs[i].widget->is_enabled());
painter.draw_text(button_rect, m_tabs[i].title, TextAlignment::Center);
}
for (int i = 0; i < m_tabs.size(); ++i) {
if (m_tabs[i].widget != m_active_widget)
continue;
bool hovered = i == m_hovered_tab_index;
auto button_rect = this->button_rect(i);
StylePainter::paint_tab_button(painter, button_rect, true, m_tabs[i].hovered, m_tabs[i].widget->is_enabled());
StylePainter::paint_tab_button(painter, button_rect, true, hovered, m_tabs[i].widget->is_enabled());
painter.draw_text(button_rect, m_tabs[i].title, TextAlignment::Center);
painter.draw_line(button_rect.bottom_left().translated(1, 1), button_rect.bottom_right().translated(-1, 1), background_color());
break;
@ -141,5 +141,38 @@ void GTabWidget::mousedown_event(GMouseEvent& event)
if (!button_rect.contains(event.position()))
continue;
set_active_widget(m_tabs[i].widget);
return;
}
}
void GTabWidget::mousemove_event(GMouseEvent& event)
{
int hovered_tab = -1;
for (int i = 0; i < m_tabs.size(); ++i) {
auto button_rect = this->button_rect(i);
if (!button_rect.contains(event.position()))
continue;
hovered_tab = i;
if (m_tabs[i].widget == m_active_widget)
break;
}
if (hovered_tab == m_hovered_tab_index)
return;
m_hovered_tab_index = hovered_tab;
update_bar();
}
void GTabWidget::leave_event(CEvent&)
{
if (m_hovered_tab_index != -1) {
m_hovered_tab_index = -1;
update_bar();
}
}
void GTabWidget::update_bar()
{
auto invalidation_rect = bar_rect();
invalidation_rect.set_height(invalidation_rect.height() + 1);
update(invalidation_rect);
}