tdesktop/Telegram/SourceFiles/ui/widgets/discrete_sliders.h

124 lines
2.7 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include "ui/rp_widget.h"
#include "ui/effects/animations.h"
#include "styles/style_widgets.h"
namespace Ui {
class RippleAnimation;
class DiscreteSlider : public RpWidget {
public:
DiscreteSlider(QWidget *parent);
void addSection(const QString &label);
void setSections(const QStringList &labels);
int activeSection() const {
return _activeIndex;
}
void setActiveSection(int index);
void setActiveSectionFast(int index);
void finishAnimating();
auto sectionActivated() const {
return _sectionActivated.events();
}
protected:
void timerEvent(QTimerEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
int resizeGetHeight(int newWidth) override = 0;
struct Section {
Section(const QString &label, const style::font &font);
int left, width;
QString label;
int labelWidth;
std::unique_ptr<RippleAnimation> ripple;
};
int getCurrentActiveLeft();
int getSectionsCount() const {
return _sections.size();
}
template <typename Lambda>
void enumerateSections(Lambda callback);
template <typename Lambda>
void enumerateSections(Lambda callback) const;
virtual void startRipple(int sectionIndex) {
}
void stopAnimation() {
_a_left.stop();
}
void setSelectOnPress(bool selectOnPress);
private:
void activateCallback();
virtual const style::font &getLabelFont() const = 0;
virtual int getAnimationDuration() const = 0;
int getIndexFromPosition(QPoint pos);
void setSelectedSection(int index);
std::vector<Section> _sections;
int _activeIndex = 0;
bool _selectOnPress = true;
rpl::event_stream<int> _sectionActivated;
int _pressed = -1;
int _selected = 0;
Ui::Animations::Simple _a_left;
int _timerId = -1;
crl::time _callbackAfterMs = 0;
};
class SettingsSlider : public DiscreteSlider {
public:
SettingsSlider(QWidget *parent, const style::SettingsSlider &st = st::defaultSettingsSlider);
void setRippleTopRoundRadius(int radius);
protected:
void paintEvent(QPaintEvent *e) override;
int resizeGetHeight(int newWidth) override;
void startRipple(int sectionIndex) override;
private:
const style::font &getLabelFont() const override;
int getAnimationDuration() const override;
QImage prepareRippleMask(int sectionIndex, const Section &section);
void resizeSections(int newWidth);
std::vector<float64> countSectionsWidths(int newWidth) const;
const style::SettingsSlider &_st;
int _rippleTopRoundRadius = 0;
};
} // namespace Ui