tdesktop/Telegram/SourceFiles/ui/widgets/dropdown_menu.h

120 lines
3.6 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "styles/style_widgets.h"
#include "ui/widgets/inner_dropdown.h"
#include "ui/widgets/menu.h"
namespace Ui {
class DropdownMenu : public InnerDropdown {
Q_OBJECT
public:
DropdownMenu(QWidget *parent, const style::DropdownMenu &st = st::defaultDropdownMenu);
QAction *addAction(const QString &text, const QObject *receiver, const char* member, const style::icon *icon = nullptr, const style::icon *iconOver = nullptr);
QAction *addAction(const QString &text, base::lambda<void()> callback, const style::icon *icon = nullptr, const style::icon *iconOver = nullptr);
QAction *addSeparator();
void clearActions();
void setHiddenCallback(base::lambda<void()> callback) {
_hiddenCallback = std::move(callback);
}
using Actions = Ui::Menu::Actions;
Actions &actions();
~DropdownMenu();
protected:
void focusOutEvent(QFocusEvent *e) override;
void hideEvent(QHideEvent *e) override;
void keyPressEvent(QKeyEvent *e) override {
forwardKeyPress(e->key());
}
void mouseMoveEvent(QMouseEvent *e) override {
forwardMouseMove(e->globalPos());
}
void mousePressEvent(QMouseEvent *e) override {
forwardMousePress(e->globalPos());
}
private slots:
void onHidden() {
hideFinish();
}
private:
// Not ready with submenus yet.
DropdownMenu(QWidget *parent, QMenu *menu, const style::DropdownMenu &st = st::defaultDropdownMenu);
void deleteOnHide(bool del);
void popup(const QPoint &p);
void hideMenu(bool fast = false);
void childHiding(DropdownMenu *child);
void init();
void hideFinish();
using TriggeredSource = Ui::Menu::TriggeredSource;
void handleActivated(QAction *action, int actionTop, TriggeredSource source);
void handleTriggered(QAction *action, int actionTop, TriggeredSource source);
void forwardKeyPress(int key);
bool handleKeyPress(int key);
void forwardMouseMove(QPoint globalPosition) {
_menu->handleMouseMove(globalPosition);
}
void handleMouseMove(QPoint globalPosition);
void forwardMousePress(QPoint globalPosition) {
_menu->handleMousePress(globalPosition);
}
void handleMousePress(QPoint globalPosition);
void forwardMouseRelease(QPoint globalPosition) {
_menu->handleMouseRelease(globalPosition);
}
void handleMouseRelease(QPoint globalPosition);
using SubmenuPointer = QPointer<DropdownMenu>;
bool popupSubmenuFromAction(QAction *action, int actionTop, TriggeredSource source);
void popupSubmenu(SubmenuPointer submenu, int actionTop, TriggeredSource source);
void showMenu(const QPoint &p, DropdownMenu *parent, TriggeredSource source);
const style::DropdownMenu &_st;
base::lambda<void()> _hiddenCallback;
QPointer<Ui::Menu> _menu;
// Not ready with submenus yet.
//using Submenus = QMap<QAction*, SubmenuPointer>;
//Submenus _submenus;
DropdownMenu *_parent = nullptr;
SubmenuPointer _activeSubmenu;
bool _deleteOnHide = false;
bool _triggering = false;
bool _deleteLater = false;
};
} // namespace Ui