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/*
SPDX-FileCopyrightText: 2025 Felix Ernst <[email protected]>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#ifndef WIDGETMENU_H
#define WIDGETMENU_H
#include <QMenu>
class QMouseEvent;
class QShowEvent;
namespace Search
{
/**
* @brief A QMenu that contains nothing but a lazily constructed widget.
*
* Usually QMenus contain a list of actions. WidgetMenu allows showing any QWidget instead. This is useful to show popups, random text, or full user interfaces
* when a button is pressed or a menu action in a QMenu is hovered.
*
* This class also encapsulates lazy construction of the widget within. It will only be created when this menu is actually being opened.
*/
class WidgetMenu : public QMenu
{
public:
explicit WidgetMenu(QWidget *parent = nullptr);
protected:
/**
* Overrides the weird QMenu Tab key handling with the usual QWidget one.
*/
bool focusNextPrevChild(bool next) override;
/**
* Overrides the QMenu behaviour of closing itself when clicked with the non-closing QWidget one.
*/
void mouseReleaseEvent(QMouseEvent *event) override;
/**
* This unfortuantely needs to be explicitly called to resize the WidgetMenu because the size of a QMenu will not automatically change to fit the QWidgets
* within.
*/
void resizeToFitContents();
/**
* Move focus to the widget when this WidgetMenu is shown.
*/
void showEvent(QShowEvent *event) override;
private:
/**
* @return the widget which is contained in this WidgetMenu. This method is at most called once per WidgetMenu object when the WidgetMenu is about to be
* shown for the first time. The ownership of the widget will be transfered to an internal QWidgetAction.
*/
virtual QWidget *init() = 0;
};
}
#endif // WIDGETMENU_H
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