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Code Issues Activity Actions

GTabWidget: Highlight tab buttons when hovered.

Browse source 
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
parent 67108f872f
commit 5c4b421d56
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);
}