87 lines
2.2 KiB
C++
87 lines
2.2 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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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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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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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include <QtWidgets/QWidget>
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#include "ui/twidget.h"
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#include "core/lambda_wrap.h"
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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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class Button : public TWidget {
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Q_OBJECT
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public:
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Button(QWidget *parent);
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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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Qt::KeyboardModifiers clickModifiers() const {
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return _modifiers;
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}
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void clearState();
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int getState() const;
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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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void setAcceptBoth(bool acceptBoth = true);
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void setClickedCallback(base::lambda_unique<void()> &&callback) {
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_clickedCallback = std_::move(callback);
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}
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protected:
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void enterEvent(QEvent *e) override;
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void leaveEvent(QEvent *e) override;
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void mousePressEvent(QMouseEvent *e) override;
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void mouseMoveEvent(QMouseEvent *e) override;
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void mouseReleaseEvent(QMouseEvent *e) override;
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signals:
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void clicked();
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void stateChanged(int oldState, ButtonStateChangeSource source);
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protected:
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virtual void onStateChanged(int oldState, ButtonStateChangeSource source) {
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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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base::lambda_unique<void()> _clickedCallback;
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};
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