91 lines
2 KiB
C++
91 lines
2 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include "ui/rp_widget.h"
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#include "base/object_ptr.h"
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namespace Ui {
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class VerticalLayout : public RpWidget {
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public:
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using RpWidget::RpWidget;
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[[nodiscard]] int count() const {
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return _rows.size();
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}
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[[nodiscard]] not_null<RpWidget*> widgetAt(int index) const {
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Expects(index >= 0 && index < count());
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return _rows[index].widget.data();
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}
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template <
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typename Widget,
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typename = std::enable_if_t<
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std::is_base_of_v<RpWidget, Widget>>>
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Widget *insert(
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int atPosition,
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object_ptr<Widget> &&child,
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const style::margins &margin = style::margins()) {
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return static_cast<Widget*>(insertChild(
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atPosition,
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std::move(child),
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margin));
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}
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template <
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typename Widget,
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typename = std::enable_if_t<
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std::is_base_of_v<RpWidget, Widget>>>
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Widget *add(
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object_ptr<Widget> &&child,
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const style::margins &margin = style::margins()) {
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return insert(count(), std::move(child), margin);
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}
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QMargins getMargins() const override;
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int naturalWidth() const override;
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void setVerticalShift(int index, int shift);
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void reorderRows(int oldIndex, int newIndex);
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void clear();
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protected:
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int resizeGetHeight(int newWidth) override;
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void visibleTopBottomUpdated(
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int visibleTop,
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int visibleBottom) override;
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private:
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RpWidget *insertChild(
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int addPosition,
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object_ptr<RpWidget> child,
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const style::margins &margin);
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void childHeightUpdated(RpWidget *child);
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void removeChild(RpWidget *child);
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void updateChildGeometry(
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const style::margins &margins,
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RpWidget *child,
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const style::margins &margin,
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int width,
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int top) const;
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struct Row {
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object_ptr<RpWidget> widget;
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style::margins margin;
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int verticalShift = 0;
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};
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std::vector<Row> _rows;
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bool _inResize = false;
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rpl::lifetime _rowsLifetime;
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};
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} // namespace Ui
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