tdesktop/Telegram/SourceFiles/gui/button.h

70 lines
1.7 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 John Preston, https://desktop.telegram.org
*/
#pragma once
#include <QtWidgets/QWidget>
#include "gui/twidget.h"
typedef enum {
ButtonByUser = 0x00, // by clearState() call
ButtonByPress = 0x01,
ButtonByHover = 0x02,
} ButtonStateChangeSource;
class Button : public TWidget {
Q_OBJECT
public:
Button(QWidget *parent);
enum {
StateNone = 0x00,
StateOver = 0x01,
StateDown = 0x02,
StateDisabled = 0x04,
};
void mousePressEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void enterEvent(QEvent *e);
void leaveEvent(QEvent *e);
void clearState();
int getState() const;
void setDisabled(bool disabled = true);
void setOver(bool over, ButtonStateChangeSource source = ButtonByUser);
bool disabled() const {
return (_state & StateDisabled);
}
void setAcceptBoth(bool acceptBoth = true);
signals:
void clicked();
void stateChanged(int oldState, ButtonStateChangeSource source);
protected:
int _state;
bool _acceptBoth;
};