125 lines
3.0 KiB
C++
125 lines
3.0 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 "styles/style_widgets.h"
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namespace Ui {
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class RippleAnimation;
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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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void setSections(const QStringList &labels);
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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<void()>;
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void setSectionActivatedCallback(SectionActivatedCallback &&callback);
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protected:
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void timerEvent(QTimerEvent *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 = 0;
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struct Section {
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Section(const QString &label, const style::font &font);
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int left, width;
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QString label;
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int labelWidth;
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QSharedPointer<RippleAnimation> ripple;
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};
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int getCurrentActiveLeft(TimeMs ms);
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int getSectionsCount() const {
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return _sections.size();
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}
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template <typename Lambda>
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void enumerateSections(Lambda callback);
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virtual void startRipple(int index) {
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}
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void stopAnimation() {
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_a_left.finish();
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}
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void setSelectOnPress(bool selectOnPress);
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private:
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void activateCallback();
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virtual const style::font &getLabelFont() const = 0;
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virtual int getAnimationDuration() const = 0;
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int getIndexFromPosition(QPoint pos);
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void setSelectedSection(int index);
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QList<Section> _sections;
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int _activeIndex = 0;
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bool _selectOnPress = true;
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SectionActivatedCallback _callback;
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int _pressed = -1;
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int _selected = 0;
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Animation _a_left;
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int _timerId = -1;
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TimeMs _callbackAfterMs = 0;
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};
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class SettingsSlider : public DiscreteSlider {
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public:
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SettingsSlider(QWidget *parent, const style::SettingsSlider &st = st::defaultSettingsSlider);
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protected:
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void paintEvent(QPaintEvent *e) override;
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int resizeGetHeight(int newWidth) override;
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void startRipple(int index) override;
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private:
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const style::font &getLabelFont() const override;
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int getAnimationDuration() const override;
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void resizeSections(int newWidth);
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const style::SettingsSlider &_st;
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};
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} // namespace Ui
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