tdesktop/Telegram/SourceFiles/ui/buttons/round_button.h

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/*
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.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "ui/button.h"
namespace Ui {
class RoundButton : public Button {
public:
RoundButton(QWidget *parent, const QString &text, const style::RoundButton &st);
void setText(const QString &text);
void setSecondaryText(const QString &secondaryText);
int contentWidth() const;
void setFullWidth(int newFullWidth);
enum class TextTransform {
NoTransform,
ToUpper,
};
void setTextTransform(TextTransform transform);
protected:
void paintEvent(QPaintEvent *e) override;
void onStateChanged(int oldState, ButtonStateChangeSource source) override;
private:
void step_over(float64 ms, bool timer);
void updateText();
void resizeToText();
QString _text, _fullText;
int _textWidth;
QString _secondaryText, _fullSecondaryText;
int _secondaryTextWidth = 0;
int _fullWidthOverride = 0;
const style::RoundButton &_st;
anim::fvalue a_textBgOverOpacity;
anim::cvalue a_textFg, a_secondaryTextFg;
Animation _a_over;
TextTransform _transform = TextTransform::NoTransform;
};
} // namespace Ui