75 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| This file is part of Telegram Desktop,
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| the official desktop version of Telegram messaging app, see https://telegram.org
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| 
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| Telegram Desktop is free software: you can redistribute it and/or modify
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| it under the terms of the GNU General Public License as published by
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| the Free Software Foundation, either version 3 of the License, or
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| (at your option) any later version.
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| 
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| It is distributed in the hope that it will be useful,
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| but WITHOUT ANY WARRANTY; without even the implied warranty of
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| GNU General Public License for more details.
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| 
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| Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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| Copyright (c) 2014 John Preston, https://desktop.telegram.org
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| */
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| #pragma once
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| 
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| #include <QtWidgets/QWidget>
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| #include "gui/twidget.h"
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| 
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| typedef enum {
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| 	ButtonByUser  = 0x00, // by clearState() call
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| 	ButtonByPress = 0x01,
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| 	ButtonByHover = 0x02,
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| } ButtonStateChangeSource;
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| 
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| class Button : public TWidget {
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| 	Q_OBJECT
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| 
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| public:
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| 	Button(QWidget *parent);
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| 
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| 	enum {
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| 		StateNone     = 0x00,
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| 		StateOver     = 0x01,
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| 		StateDown     = 0x02,
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| 		StateDisabled = 0x04,
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| 	};
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| 
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| 	void mousePressEvent(QMouseEvent *e);
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| 	void mouseMoveEvent(QMouseEvent *e);
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| 	void mouseReleaseEvent(QMouseEvent *e);
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| 
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| 	Qt::KeyboardModifiers clickModifiers() const {
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| 		return _modifiers;
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| 	}
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| 
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| 	void enterEvent(QEvent *e);
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| 	void leaveEvent(QEvent *e);
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| 
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| 	void clearState();
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| 	int getState() const;
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| 
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| 	void setDisabled(bool disabled = true);
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| 	void setOver(bool over, ButtonStateChangeSource source = ButtonByUser);
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| 	bool disabled() const {
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| 		return (_state & StateDisabled);
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| 	}
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| 
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| 	void setAcceptBoth(bool acceptBoth = true);
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| 
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| signals:
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| 
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| 	void clicked();
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| 	void stateChanged(int oldState, ButtonStateChangeSource source);
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| 
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| protected:
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| 
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| 	Qt::KeyboardModifiers _modifiers;
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| 	int _state;
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| 	bool _acceptBoth;
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| 
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| };
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