31f0e39617
There are 2 main reason for doing this: 1. Because I can, I wanted to see if I could do it 2. It gets rid of the janky qml re parenting stuff so should be faster.
100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
// SPDX-FileCopyrightText: 2024 James Graham <james.h.graham@protonmail.com>
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// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
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#ifndef TIMELINEDELEGATE_H
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#define TIMELINEDELEGATE_H
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#include <QQuickItem>
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#include <Kirigami/Platform/Units>
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/**
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* @brief The base Item for all delegates in the timeline.
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*
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* This component handles the placing of the main content for a delegate in the
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* timeline. The component is designed for all delegates, positioning them in the
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* timeline with variable padding depending on the window width.
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*
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* This component also supports always setting the delegate to fill the available
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* width in the timeline, e.g. in compact mode.
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*/
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class TimelineDelegate : public QQuickItem
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{
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Q_OBJECT
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QML_ELEMENT
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/**
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* @brief This property holds the visual content Item.
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*
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* It will be resized both in width and height with the layout resizing.
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* Its height will be resized to still have room for the heder and footer
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*/
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Q_PROPERTY(QQuickItem *contentItem READ contentItem WRITE setContentItem NOTIFY contentItemChanged FINAL)
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/**
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* @brief Whether the contentItem should fill all available width regardless of how wide the delegate is.
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*
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* The left and right padding values will still be respected.
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*/
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Q_PROPERTY(bool alwaysFillWidth READ alwaysFillWidth WRITE setAlwaysFillWidth NOTIFY alwaysFillWidthChanged FINAL)
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/**
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* @brief The minimum padding to the left of the content.
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*/
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Q_PROPERTY(qreal leftPadding READ leftPadding WRITE setLeftPadding NOTIFY leftPaddingChanged FINAL)
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/**
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* @brief The minimum padding to the right of the content.
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*/
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Q_PROPERTY(qreal rightPadding READ rightPadding WRITE setRightPadding NOTIFY rightPaddingChanged FINAL)
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public:
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TimelineDelegate(QQuickItem *parent = nullptr);
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[[nodiscard]] QQuickItem *contentItem();
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void setContentItem(QQuickItem *item);
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[[nodiscard]] bool alwaysFillWidth();
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void setAlwaysFillWidth(bool alwaysFillWidth);
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[[nodiscard]] qreal leftPadding();
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void setLeftPadding(qreal leftPadding);
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[[nodiscard]] qreal rightPadding();
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void setRightPadding(qreal rightPadding);
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Q_SIGNALS:
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void contentItemChanged();
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void alwaysFillWidthChanged();
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void leftPaddingChanged();
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void rightPaddingChanged();
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protected:
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void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
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void componentComplete() override;
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private:
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Kirigami::Platform::Units *m_units = nullptr;
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void setCurveValues();
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qreal m_leftPadding;
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qreal m_rightPadding;
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qreal m_startBreakpoint;
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qreal m_endBreakpoint;
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int m_startPercentWidth = 100;
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int m_endPercentWidth = 85;
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qreal m_maxWidth;
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int availablePercentageWidth() const;
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qreal maxAvailableWidth() const;
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qreal availableWidth() const;
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bool m_alwaysFillWidth = false;
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void resizeContent();
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void updateImplicitHeight();
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QPointer<QQuickItem> m_contentItem;
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};
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#endif
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