c0274df69a
NO_CHANGELOG
186 lines
5.0 KiB
C++
186 lines
5.0 KiB
C++
/*
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SPDX-FileCopyrightText: 2011 Viranch Mehta <viranch.mehta@gmail.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef QMENU_PROXY_H
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#define QMENU_PROXY_H
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#include "enums.h"
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#include "plasma.h"
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#include "qmenuitem.h"
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#include <QMenu>
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#include <QObject>
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#include <QPointer>
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#include <QQmlListProperty>
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class QDeclarativeItem;
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/**
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* @class Menu
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*
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* An Item provides a menu for use in context specific situations.
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* You can specify the position for the menu to open by setting its visualParent.
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* MenuItems should be used to draw entries in the menu.
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* The open() function opens up the menu at the given visualParent.
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*
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*
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* Example usage:
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* @code
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* import org.kde.plasma.components 2.0 as PlasmaComponents
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*
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* [...]
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* PlasmaComponents.Menu {
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* id: menu
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* ...
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* PlasmaComponents.MenuItem {
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* text: "Delete"
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* onClicked: {
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* myListItem.remove();
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* }
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* }
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* }
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* PlasmaComponents.Button {
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* id: btn
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* onClicked: {
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* menu.visualParent = btn
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* menu.open()
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* }
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* }
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* [...]
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* @endcode
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*
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*/
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class QMenuProxy : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(QQmlListProperty<QMenuItem> content READ content CONSTANT)
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Q_CLASSINFO("DefaultProperty", "content")
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/**
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* This is a hint to the window manager that this window is a dialog or pop-up on behalf of the given window.
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*/
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Q_PROPERTY(QWindow *transientParent READ transientParent WRITE setTransientParent NOTIFY transientParentChanged)
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/**
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* the visualParent is used to position the menu. it can be an item on the scene, like a button (that will open the menu on clicked) or another menuitem (in
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* this case this will be a submenu)
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*/
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Q_PROPERTY(QObject *visualParent READ visualParent WRITE setVisualParent NOTIFY visualParentChanged())
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Q_PROPERTY(DialogStatus::Status status READ status NOTIFY statusChanged)
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/**
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* The default placement for the menu.
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*/
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Q_PROPERTY(Plasma::Types::PopupPlacement placement READ placement WRITE setPlacement NOTIFY placementChanged)
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/**
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* A minimum width for the menu.
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*/
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Q_PROPERTY(int minimumWidth READ minimumWidth WRITE setMinimumWidth NOTIFY minimumWidthChanged)
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/**
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* A maximum width for the menu.
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*
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* @since 5.31
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*/
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Q_PROPERTY(int maximumWidth READ maximumWidth WRITE setMaximumWidth RESET resetMaximumWidth NOTIFY maximumWidthChanged)
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public:
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explicit QMenuProxy(QObject *parent = nullptr);
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~QMenuProxy() override;
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QQmlListProperty<QMenuItem> content();
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int actionCount() const;
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QMenuItem *action(int) const;
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DialogStatus::Status status() const;
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QObject *visualParent() const;
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void setVisualParent(QObject *parent);
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QWindow *transientParent();
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void setTransientParent(QWindow *parent);
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Plasma::Types::PopupPlacement placement() const;
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void setPlacement(Plasma::Types::PopupPlacement placement);
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int minimumWidth() const;
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void setMinimumWidth(int width);
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int maximumWidth() const;
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void setMaximumWidth(int maximumWidth);
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void resetMaximumWidth();
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/**
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* This opens the menu at position x,y on the given visualParent. By default x and y are set to 0
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*/
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Q_INVOKABLE void open(int x = 0, int y = 0);
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/**
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* This opens the menu at the specified placement relative to the visualParent.
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*/
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Q_INVOKABLE void openRelative();
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/**
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* This closes the menu
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*/
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Q_INVOKABLE void close();
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/**
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* This removes all menuItems inside the menu
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*/
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Q_INVOKABLE void clearMenuItems();
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/**
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* This adds a menu item from a String
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*/
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Q_INVOKABLE void addMenuItem(const QString &text);
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/**
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* This adds MenuItem 'item' to the menu before MenuItem 'before'.
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* If MenuItem 'before' is 0 or does not exist in the menu, 'item'
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* is appended to the menu instead.
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* If MenuItem 'item' already exists in the menu, it is removed and
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* inserted at the new position.
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*/
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Q_INVOKABLE void addMenuItem(QMenuItem *item, QMenuItem *before = nullptr);
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/**
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* This adds a section header with a string used as name for the section
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*/
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Q_INVOKABLE void addSection(const QString &text);
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/**
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* This removes MenuItem 'item'
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*
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* @since 5.27
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*/
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Q_INVOKABLE void removeMenuItem(QMenuItem *item);
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protected:
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bool event(QEvent *event) override;
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Q_SIGNALS:
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void statusChanged();
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void visualParentChanged();
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void transientParentChanged();
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void placementChanged();
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void minimumWidthChanged();
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void maximumWidthChanged();
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void triggered(QMenuItem *item);
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void triggeredIndex(int index);
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private Q_SLOTS:
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void itemTriggered(QAction *item);
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private:
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void rebuildMenu();
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void openInternal(QPoint pos);
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QQuickItem *parentItem() const;
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QList<QMenuItem *> m_items;
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QMenu *m_menu;
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DialogStatus::Status m_status;
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QPointer<QObject> m_visualParent;
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Plasma::Types::PopupPlacement m_placement;
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};
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#endif // QMENU_PROXY_H
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