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LibGUI: Implement calculated min/preferred sizes for TabWidget

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FrHun 2022-07-04 05:39:24 +02:00 • committed by Andreas Kling
parent 309874b4fb
commit ccdccadc24
2 changed files with 32 additions and 0 deletions
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29
Userland/Libraries/LibGUI/TabWidget.cpp
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@ -7,6 +7,7 @@
* SPDX-License-Identifier: BSD-2-Clause * SPDX-License-Identifier: BSD-2-Clause
*/ */
#include <AK/GenericShorthands.h>
#include <AK/JsonValue.h> #include <AK/JsonValue.h>
#include <LibGUI/BoxLayout.h> #include <LibGUI/BoxLayout.h>
#include <LibGUI/Painter.h> #include <LibGUI/Painter.h>
@ -690,6 +691,34 @@ void TabWidget::set_container_margins(GUI::Margins const& margins)
update(); update();
} }
Optional<UISize> TabWidget::calculated_min_size() const
{
if (!m_active_widget)
return {};
auto content_min_size = m_active_widget->effective_min_size();
UIDimension width = MUST(content_min_size.width().shrink_value()), height = MUST(content_min_size.height().shrink_value());
width.add_if_int(container_margins().vertical_total()
+ (first_is_one_of(m_tab_position, TabPosition::Left, TabPosition::Right) ? bar_rect().width() : 0));
height.add_if_int(container_margins().vertical_total()
+ (first_is_one_of(m_tab_position, TabPosition::Top, TabPosition::Bottom) ? bar_rect().height() : 0));
return UISize { width, height };
}
Optional<UISize> TabWidget::calculated_preferred_size() const
{
if (!m_active_widget)
return {};
auto content_preferred_size = m_active_widget->effective_preferred_size();
UIDimension width = MUST(content_preferred_size.width().shrink_value()), height = MUST(content_preferred_size.height().shrink_value());
width.add_if_int(container_margins().vertical_total()
+ (first_is_one_of(m_tab_position, TabPosition::Left, TabPosition::Right) ? bar_rect().width() : 0));
height.add_if_int(
container_margins().vertical_total()
+ (first_is_one_of(m_tab_position, TabPosition::Top, TabPosition::Bottom) ? bar_rect().height() : 0));
return UISize { width, height };
}
void TabWidget::drag_tab(size_t index) void TabWidget::drag_tab(size_t index)
{ {
m_dragging_active_tab = m_reorder_allowed; m_dragging_active_tab = m_reorder_allowed;

3
Userland/Libraries/LibGUI/TabWidget.h
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@ -47,6 +47,9 @@ public:
GUI::Margins const& container_margins() const { return m_container_margins; } GUI::Margins const& container_margins() const { return m_container_margins; }
void set_container_margins(GUI::Margins const&); void set_container_margins(GUI::Margins const&);
Optional<UISize> calculated_min_size() const override;
Optional<UISize> calculated_preferred_size() const override;
ErrorOr<void> try_add_widget(Widget&); ErrorOr<void> try_add_widget(Widget&);
void add_widget(Widget&); void add_widget(Widget&);