File indexing completed on 2023-12-03 11:02:52

 /*
     SPDX-FileCopyrightText: 2017 by Marco Martin <mart@kde.org>
     SPDX-FileCopyrightText: 2017 by David Edmundson <davidedmundson@kde.org>
     SPDX-FileCopyrightText: 2016 The Qt Company Ltd. <https://www.qt.io/licensing/>
 
     This file is part of the Qt Quick Controls module of the Qt Toolkit.
 
     SPDX-License-Identifier: LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KFQF-Accepted-GPL OR LicenseRef-Qt-Commercial
 */
 
 #ifndef KQUICKSTYLEITEM_P_H
 #define KQUICKSTYLEITEM_P_H
 
 #include "kquickpadding_p.h"
 #include <QImage>
 #include <QPointer>
 #include <QQuickImageProvider>
 #include <QQuickItem>
 
 #include <qqmlregistration.h>
 
 #include <memory>
 
 class QWidget;
 class QStyleOption;
 class QStyle;
 
 namespace Kirigami
 {
 class PlatformTheme;
 }
 
 class QQuickTableRowImageProvider1 : public QQuickImageProvider
 {
 public:
     QQuickTableRowImageProvider1()
         : QQuickImageProvider(QQuickImageProvider::Pixmap)
     {
     }
     QPixmap requestPixmap(const QString &id, QSize *size, const QSize &requestedSize) override;
 };
 
 class KQuickStyleItem : public QQuickItem
 {
     Q_OBJECT
     QML_NAMED_ELEMENT(StyleItem)
 
     Q_PROPERTY(KQuickPadding *border READ border CONSTANT)
 
     Q_PROPERTY(bool sunken READ sunken WRITE setSunken NOTIFY sunkenChanged)
     Q_PROPERTY(bool raised READ raised WRITE setRaised NOTIFY raisedChanged)
     Q_PROPERTY(bool flat READ flat WRITE setFlat NOTIFY flatChanged)
     Q_PROPERTY(bool active READ active WRITE setActive NOTIFY activeChanged)
     Q_PROPERTY(bool selected READ selected WRITE setSelected NOTIFY selectedChanged)
     Q_PROPERTY(bool hasFocus READ hasFocus WRITE setHasFocus NOTIFY hasFocusChanged)
     Q_PROPERTY(bool on READ on WRITE setOn NOTIFY onChanged)
     Q_PROPERTY(bool hover READ hover WRITE setHover NOTIFY hoverChanged)
     Q_PROPERTY(bool horizontal READ horizontal WRITE setHorizontal NOTIFY horizontalChanged)
     Q_PROPERTY(bool isTransient READ isTransient WRITE setTransient NOTIFY transientChanged)
 
     Q_PROPERTY(QString elementType READ elementType WRITE setElementType NOTIFY elementTypeChanged)
     Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged)
     Q_PROPERTY(QString activeControl READ activeControl WRITE setActiveControl NOTIFY activeControlChanged)
     Q_PROPERTY(QString styleName READ styleName NOTIFY styleNameChanged)
     Q_PROPERTY(QVariantMap hints READ hints WRITE setHints NOTIFY hintChanged RESET resetHints)
     Q_PROPERTY(QVariantMap properties READ properties WRITE setProperties NOTIFY propertiesChanged)
     Q_PROPERTY(QFont font READ font NOTIFY fontChanged)
 
     // For range controls
     Q_PROPERTY(int minimum READ minimum WRITE setMinimum NOTIFY minimumChanged)
     Q_PROPERTY(int maximum READ maximum WRITE setMaximum NOTIFY maximumChanged)
     Q_PROPERTY(int value READ value WRITE setValue NOTIFY valueChanged)
     Q_PROPERTY(int step READ step WRITE setStep NOTIFY stepChanged)
     Q_PROPERTY(int paintMargins READ paintMargins WRITE setPaintMargins NOTIFY paintMarginsChanged)
 
     Q_PROPERTY(int contentWidth READ contentWidth WRITE setContentWidth NOTIFY contentWidthChanged)
     Q_PROPERTY(int contentHeight READ contentHeight WRITE setContentHeight NOTIFY contentHeightChanged)
 
     Q_PROPERTY(int textureWidth READ textureWidth WRITE setTextureWidth NOTIFY textureWidthChanged)
     Q_PROPERTY(int textureHeight READ textureHeight WRITE setTextureHeight NOTIFY textureHeightChanged)
 
     Q_PROPERTY(int leftPadding READ leftPadding NOTIFY leftPaddingChanged)
     Q_PROPERTY(int topPadding READ topPadding NOTIFY topPaddingChanged)
     Q_PROPERTY(int rightPadding READ rightPadding NOTIFY rightPaddingChanged)
     Q_PROPERTY(int bottomPadding READ bottomPadding NOTIFY bottomPaddingChanged)
 
     Q_PROPERTY(QQuickItem *control READ control WRITE setControl NOTIFY controlChanged)
 
     KQuickPadding *border()
     {
         return &m_border;
     }
 
 public:
     KQuickStyleItem(QQuickItem *parent = nullptr);
     ~KQuickStyleItem() override;
 
     enum MenuItemType {
         SeparatorType = 0,
         ItemType,
         MenuType,
         ScrollIndicatorType,
     };
 
     enum Type {
         Undefined,
         Button,
         RadioButton,
         CheckBox,
         ComboBox,
         ComboBoxItem,
         Dial,
         ToolBar,
         ToolButton,
         Tab,
         TabFrame,
         Frame,
         FocusFrame,
         FocusRect,
         SpinBox,
         Slider,
         ScrollBar,
         ProgressBar,
         Edit,
         GroupBox,
         Header,
         Item,
         ItemRow,
         ItemBranchIndicator,
         Splitter,
         Menu,
         MenuItem,
         Widget,
         StatusBar,
         ScrollAreaCorner,
         MacHelpButton,
         MenuBar,
         MenuBarItem,
         DelayButton,
     };
 
     void paint(QPainter *);
 
     bool sunken() const
     {
         return m_sunken;
     }
     bool raised() const
     {
         return m_raised;
     }
     bool flat() const
     {
         return m_flat;
     }
     bool active() const
     {
         return m_active;
     }
     bool selected() const
     {
         return m_selected;
     }
     bool hasFocus() const
     {
         return m_focus;
     }
     bool on() const
     {
         return m_on;
     }
     bool hover() const
     {
         return m_hover;
     }
     bool horizontal() const
     {
         return m_horizontal;
     }
     bool isTransient() const
     {
         return m_transient;
     }
 
     int minimum() const
     {
         return m_minimum;
     }
     int maximum() const
     {
         return m_maximum;
     }
     int step() const
     {
         return m_step;
     }
     int value() const
     {
         return m_value;
     }
     int paintMargins() const
     {
         return m_paintMargins;
     }
 
     QString elementType() const
     {
         return m_type;
     }
     QString text() const
     {
         return m_text;
     }
     QString activeControl() const
     {
         return m_activeControl;
     }
     QVariantMap hints() const
     {
         return m_hints;
     }
     QVariantMap properties() const
     {
         return m_properties;
     }
     QFont font() const
     {
         return m_font;
     }
     QString styleName() const;
 
     void setSunken(bool sunken)
     {
         if (m_sunken != sunken) {
             m_sunken = sunken;
             polish();
             Q_EMIT sunkenChanged();
         }
     }
     void setRaised(bool raised)
     {
         if (m_raised != raised) {
             m_raised = raised;
             polish();
             Q_EMIT raisedChanged();
         }
     }
     void setFlat(bool flat)
     {
         if (m_flat != flat) {
             m_flat = flat;
             polish();
             Q_EMIT flatChanged();
         }
     }
     void setActive(bool active)
     {
         if (m_active != active) {
             m_active = active;
             polish();
             Q_EMIT activeChanged();
         }
     }
     void setSelected(bool selected)
     {
         if (m_selected != selected) {
             m_selected = selected;
             polish();
             Q_EMIT selectedChanged();
         }
     }
     void setHasFocus(bool focus)
     {
         if (m_focus != focus) {
             m_focus = focus;
             polish();
             Q_EMIT hasFocusChanged();
         }
     }
     void setOn(bool on)
     {
         if (m_on != on) {
             m_on = on;
             polish();
             Q_EMIT onChanged();
         }
     }
     void setHover(bool hover)
     {
         if (m_hover != hover) {
             m_hover = hover;
             polish();
             Q_EMIT hoverChanged();
         }
     }
     void setHorizontal(bool horizontal)
     {
         if (m_horizontal != horizontal) {
             m_horizontal = horizontal;
             updateSizeHint();
             polish();
             Q_EMIT horizontalChanged();
         }
     }
     void setTransient(bool transient)
     {
         if (m_transient != transient) {
             m_transient = transient;
             polish();
             Q_EMIT transientChanged();
         }
     }
     void setMinimum(int minimum)
     {
         if (m_minimum != minimum) {
             m_minimum = minimum;
             polish();
             Q_EMIT minimumChanged();
         }
     }
     void setMaximum(int maximum)
     {
         if (m_maximum != maximum) {
             m_maximum = maximum;
             polish();
             Q_EMIT maximumChanged();
         }
     }
     void setValue(int value)
     {
         if (m_value != value) {
             m_value = value;
             polish();
             Q_EMIT valueChanged();
         }
     }
     void setStep(int step)
     {
         if (m_step != step) {
             m_step = step;
             polish();
             Q_EMIT stepChanged();
         }
     }
     void setPaintMargins(int value)
     {
         if (m_paintMargins != value) {
             m_paintMargins = value;
             polish();
             Q_EMIT paintMarginsChanged();
         }
     }
     void setElementType(const QString &str);
     void setText(const QString &str)
     {
         if (m_text != str) {
             m_text = str;
             updateSizeHint();
             polish();
             Q_EMIT textChanged();
         }
     }
     void setActiveControl(const QString &str)
     {
         if (m_activeControl != str) {
             m_activeControl = str;
             // Slider is the only type whose size hints react to active control changes.
             switch (m_itemType) {
             case Slider:
                 updateSizeHint();
                 break;
             default:
                 break;
             }
             polish();
             Q_EMIT activeControlChanged();
         }
     }
     void setHints(const QVariantMap &hints);
     void setProperties(const QVariantMap &props)
     {
         if (m_properties != props) {
             m_properties = props;
             m_iconDirty = true;
             updateSizeHint();
             polish();
             Q_EMIT propertiesChanged();
         }
     }
     void resetHints();
 
     int contentWidth() const
     {
         return m_contentWidth;
     }
     void setContentWidth(int arg);
 
     int contentHeight() const
     {
         return m_contentHeight;
     }
     void setContentHeight(int arg);
 
     void initStyleOption();
     void resolvePalette();
 
     int topPadding() const;
     int leftPadding() const;
     int rightPadding() const;
     int bottomPadding() const;
 
     Q_INVOKABLE qreal textWidth(const QString &);
     Q_INVOKABLE qreal textHeight(const QString &);
 
     int textureWidth() const
     {
         return m_textureWidth;
     }
     void setTextureWidth(int w);
 
     int textureHeight() const
     {
         return m_textureHeight;
     }
     void setTextureHeight(int h);
 
     QQuickItem *control() const;
     void setControl(QQuickItem *control);
 
     static QStyle *style();
 
 public Q_SLOTS:
     int pixelMetric(const QString &);
     QVariant styleHint(const QString &);
     void updateSizeHint();
     void updateRect();
     void updateBaselineOffset();
     void updateItem()
     {
         polish();
     }
     QString hitTest(int x, int y);
     QRectF subControlRect(const QString &subcontrolString);
     QSize sizeFromContents(int width, int height);
     QRect computeBoundingRect(const QList<QRect>& rects);
     QString elidedText(const QString &text, int elideMode, int width);
     bool hasThemeIcon(const QString &) const;
 
 private Q_SLOTS:
     void updateFocusReason();
 
 Q_SIGNALS:
     void elementTypeChanged();
     void textChanged();
     void sunkenChanged();
     void raisedChanged();
     void flatChanged();
     void activeChanged();
     void selectedChanged();
     void hasFocusChanged();
     void onChanged();
     void hoverChanged();
     void horizontalChanged();
     void transientChanged();
     void minimumChanged();
     void maximumChanged();
     void stepChanged();
     void valueChanged();
     void activeControlChanged();
     void styleNameChanged();
     void paintMarginsChanged();
     void hintChanged();
     void propertiesChanged();
     void fontChanged();
     void controlChanged();
 
     void contentWidthChanged(int arg);
     void contentHeightChanged(int arg);
 
     void textureWidthChanged(int w);
     void textureHeightChanged(int h);
 
     void leftPaddingChanged();
     void topPaddingChanged();
     void rightPaddingChanged();
     void bottomPaddingChanged();
 
 protected:
     bool event(QEvent *) override;
     QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;
     void updatePolish() override;
     bool eventFilter(QObject *watched, QEvent *event) override;
     void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &value) override;
 
     void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
 
 private:
     int padding(Qt::Edge edge) const;
     QIcon iconFromIconProperty() const;
     const char *classNameForItem() const;
     qreal baselineOffset();
     void styleChanged();
 
 protected:
     Kirigami::PlatformTheme *m_theme = nullptr;
     QStyleOption *m_styleoption;
     QPointer<QQuickItem> m_control;
     QPointer<QWindow> m_window;
     Type m_itemType;
 
     QString m_type;
     QString m_text;
     QString m_activeControl;
     QVariantMap m_hints;
     QVariantMap m_properties;
     QFont m_font;
 
     bool m_sunken;
     bool m_raised;
     bool m_flat;
     bool m_active;
     bool m_selected;
     bool m_focus;
     bool m_hover;
     bool m_on;
     bool m_horizontal;
     bool m_transient;
     bool m_sharedWidget;
     bool m_iconDirty = true;
 
     int m_minimum;
     int m_maximum;
     int m_value;
     int m_step;
     int m_paintMargins;
 
     int m_contentWidth;
     int m_contentHeight;
 
     int m_textureWidth;
     int m_textureHeight;
 
     QMetaProperty m_focusReasonProperty;
     Qt::FocusReason m_focusReason;
 
     QImage m_image;
     KQuickPadding m_border;
 
     static std::unique_ptr<QStyle> s_style;
 };
 
 #endif // QQUICKSTYLEITEM_P_H