mirror of https://github.com/procxx/kepka.git
155 lines
3.8 KiB
C++
155 lines
3.8 KiB
C++
//
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// This file is part of Kepka,
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// an unofficial desktop version of Telegram messaging app,
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// see https://github.com/procxx/kepka
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//
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// Kepka 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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//
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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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//
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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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//
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// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
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// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
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//
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#pragma once
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#include "core/single_timer.h"
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#include "styles/style_widgets.h"
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#include "ui/animation.h"
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#include "ui/twidget.h"
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namespace Ui {
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class ContinuousSlider : public TWidget {
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public:
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ContinuousSlider(QWidget *parent);
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enum class Direction {
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Horizontal,
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Vertical,
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};
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void setDirection(Direction direction) {
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_direction = direction;
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update();
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}
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double value() const;
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void setValue(double value);
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void setFadeOpacity(double opacity);
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void setDisabled(bool disabled);
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bool isDisabled() const {
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return _disabled;
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}
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using Callback = Fn<void(double)>;
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void setChangeProgressCallback(Callback &&callback) {
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_changeProgressCallback = std::move(callback);
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}
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void setChangeFinishedCallback(Callback &&callback) {
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_changeFinishedCallback = std::move(callback);
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}
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bool isChanging() const {
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return _mouseDown;
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}
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void setMoveByWheel(bool move);
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protected:
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void mouseMoveEvent(QMouseEvent *e) override;
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void mousePressEvent(QMouseEvent *e) override;
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void mouseReleaseEvent(QMouseEvent *e) override;
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void wheelEvent(QWheelEvent *e) override;
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void enterEventHook(QEvent *e) override;
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void leaveEventHook(QEvent *e) override;
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double fadeOpacity() const {
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return _fadeOpacity;
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}
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double getCurrentValue() {
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return _mouseDown ? _downValue : _value;
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}
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double getCurrentOverFactor(TimeMs ms) {
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return _disabled ? 0. : _a_over.current(ms, _over ? 1. : 0.);
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}
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Direction getDirection() const {
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return _direction;
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}
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bool isHorizontal() const {
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return (_direction == Direction::Horizontal);
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}
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private:
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virtual QRect getSeekRect() const = 0;
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virtual double getOverDuration() const = 0;
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bool moveByWheel() const {
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return _byWheelFinished != nullptr;
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}
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void setOver(bool over);
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double computeValue(const QPoint &pos) const;
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void updateDownValueFromPos(const QPoint &pos);
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Direction _direction = Direction::Horizontal;
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bool _disabled = false;
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std::unique_ptr<SingleTimer> _byWheelFinished;
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Callback _changeProgressCallback;
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Callback _changeFinishedCallback;
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bool _over = false;
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Animation _a_over;
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double _value = 0.;
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bool _mouseDown = false;
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double _downValue = 0.;
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double _fadeOpacity = 1.;
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};
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class FilledSlider : public ContinuousSlider {
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public:
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FilledSlider(QWidget *parent, const style::FilledSlider &st);
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protected:
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void paintEvent(QPaintEvent *e) override;
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private:
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QRect getSeekRect() const override;
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double getOverDuration() const override;
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const style::FilledSlider &_st;
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};
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class MediaSlider : public ContinuousSlider {
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public:
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MediaSlider(QWidget *parent, const style::MediaSlider &st);
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void setAlwaysDisplayMarker(bool alwaysDisplayMarker) {
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_alwaysDisplayMarker = alwaysDisplayMarker;
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update();
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}
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protected:
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void paintEvent(QPaintEvent *e) override;
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private:
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QRect getSeekRect() const override;
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double getOverDuration() const override;
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const style::MediaSlider &_st;
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bool _alwaysDisplayMarker = false;
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};
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} // namespace Ui
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