73 lines
2 KiB
C++
73 lines
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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namespace Ui {
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class DiscreteSlider : public TWidget {
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public:
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DiscreteSlider(QWidget *parent);
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void addSection(const QString &label);
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int activeSection() const {
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return _activeIndex;
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}
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void setActiveSection(int index);
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void setActiveSectionFast(int index);
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using SectionActivatedCallback = base::lambda_unique<void()>;
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void setSectionActivatedCallback(SectionActivatedCallback &&callback);
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protected:
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void paintEvent(QPaintEvent *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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int resizeGetHeight(int newWidth) override;
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private:
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void resizeSections(int newWidth);
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int getIndexFromPosition(QPoint pos);
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void setSelectedSection(int index);
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void step_left(float64 ms, bool timer);
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struct Section {
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Section(const QString &label);
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int left, width;
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QString label;
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int labelWidth;
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};
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QList<Section> _sections;
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int _activeIndex = 0;
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SectionActivatedCallback _callback;
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bool _pressed = false;
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int _selected = 0;
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anim::ivalue a_left = { 0 };
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Animation _a_left;
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};
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} // namespace Ui
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