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128 lines
2.9 KiB
C++
128 lines
2.9 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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style::align align = style::al_left) {
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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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align));
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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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style::align align) {
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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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style::margins(),
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align));
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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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style::align align = style::al_left) {
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return insert(count(), std::move(child), margin, align);
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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(object_ptr<Widget> &&child, style::align align) {
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return insert(count(), std::move(child), align);
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}
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QMargins getMargins() 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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static constexpr auto kAlignLeft = 0;
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static constexpr auto kAlignCenter = 1;
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static constexpr auto kAlignRight = -1;
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static constexpr auto kAlignJustify = -2;
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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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int32 verticalShift : 30 = 0;
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int32 align : 2 = 0;
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};
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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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style::align align);
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void subscribeToWidth(
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not_null<RpWidget*> child,
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const style::margins &margin);
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void childWidthUpdated(RpWidget *child);
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void childHeightUpdated(RpWidget *child);
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void removeChild(RpWidget *child);
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int moveChildGetSkip(
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const Row &row,
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int top,
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int outerWidth,
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const style::margins &margins) const;
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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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