lib_ui/ui/widgets/menu/menu_item_base.h

93 lines
2.2 KiB
C++

// This file is part of Desktop App Toolkit,
// a set of libraries for developing nice desktop applications.
//
// For license and copyright information please follow this link:
// https://github.com/desktop-app/legal/blob/master/LEGAL
//
#pragma once
#include "base/qt_connection.h"
#include "ui/widgets/buttons.h"
#include "ui/widgets/menu/menu.h"
#include "ui/widgets/menu/menu_common.h"
#include "styles/style_widgets.h"
namespace Ui::Menu {
class Menu;
class ItemBase : public RippleButton {
public:
ItemBase(not_null<Menu*> parent, const style::Menu &st);
Qt::FocusPolicy accessibilityFocusPolicy() override {
return Qt::ClickFocus;
}
TriggeredSource lastTriggeredSource() const;
rpl::producer<CallbackData> selects() const;
void setSelected(
bool selected,
TriggeredSource source = TriggeredSource::Mouse);
bool isSelected() const;
int index() const;
void setIndex(int index);
void setClicked(TriggeredSource source = TriggeredSource::Mouse);
rpl::producer<CallbackData> clicks() const;
void setActionTriggered(Fn<void()> callback);
void setClickedCallback(Fn<void()> callback) = delete;
void setPreventClose(bool prevent);
bool preventClose() const;
rpl::producer<int> minWidthValue() const;
int minWidth() const;
void setMinWidth(int w);
virtual void handleKeyPress(not_null<QKeyEvent*> e) {
}
virtual not_null<QAction*> action() const = 0;
virtual bool isEnabled() const = 0;
virtual void finishAnimating();
protected:
void fitToMenuWidth();
void enableMouseSelecting();
void enableMouseSelecting(not_null<RpWidget*> widget);
virtual int contentHeight() const = 0;
void keyPressEvent(QKeyEvent *e) override;
void keyReleaseEvent(QKeyEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
private:
bool _mousePressed = false;
int _index = -1;
rpl::variable<bool> _selected = false;
rpl::event_stream<> _clicks;
rpl::variable<int> _minWidth = 0;
TriggeredSource _lastTriggeredSource = TriggeredSource::Mouse;
bool _preventClose = false;
base::qt_connection _connection;
Menu *_menu = nullptr;
};
} // namespace Ui::Menu