97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include "ui/style/style_core_types.h"
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#include "ui/effects/animations.h"
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#include "base/weak_ptr.h"
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#include <crl/crl_time.h>
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#include <QtCore/QByteArray>
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#include <optional>
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namespace Ui {
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class FrameGenerator;
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struct AnimatedIconDescriptor {
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FnMut<std::unique_ptr<FrameGenerator>()> generator;
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QSize sizeOverride;
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bool colorized = false;
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};
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class AnimatedIcon final : public base::has_weak_ptr {
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public:
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explicit AnimatedIcon(AnimatedIconDescriptor &&descriptor);
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AnimatedIcon(const AnimatedIcon &other) = delete;
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AnimatedIcon &operator=(const AnimatedIcon &other) = delete;
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AnimatedIcon(AnimatedIcon &&other) = delete; // _animation captures this.
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AnimatedIcon &operator=(AnimatedIcon &&other) = delete;
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[[nodiscard]] bool valid() const;
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[[nodiscard]] int frameIndex() const;
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[[nodiscard]] int framesCount() const;
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[[nodiscard]] double frameRate() const;
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[[nodiscard]] QImage frame(const QColor &textColor) const;
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[[nodiscard]] QImage notColorizedFrame() const;
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[[nodiscard]] int width() const;
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[[nodiscard]] int height() const;
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[[nodiscard]] QSize size() const;
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struct ResizedFrame {
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QImage image;
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bool scaled = false;
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};
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[[nodiscard]] ResizedFrame frame(
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const QColor &textColor,
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QSize desiredSize,
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Fn<void()> updateWithPerfect) const;
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[[nodiscard]] ResizedFrame notColorizedFrame(
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QSize desiredSize,
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Fn<void()> updateWithPerfect) const;
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void animate(Fn<void()> update);
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void jumpToStart(Fn<void()> update);
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void paint(QPainter &p, int x, int y);
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void paintInCenter(QPainter &p, QRect rect);
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[[nodiscard]] bool animating() const;
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private:
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struct Frame;
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class Impl;
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friend class Impl;
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void wait() const;
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[[nodiscard]] int wantedFrameIndex(
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crl::time now,
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const Frame *resolvedCurrent = nullptr) const;
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void preloadNextFrame(
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crl::time now,
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const Frame *resolvedCurrent = nullptr,
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QSize updatedDesiredSize = QSize()) const;
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void frameJumpFinished();
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void continueAnimation(crl::time now);
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std::shared_ptr<Impl> _impl;
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crl::time _animationStartTime = 0;
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crl::time _animationStarted = 0;
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mutable Animations::Simple _animation;
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mutable Fn<void()> _repaint;
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mutable crl::time _animationDuration = 0;
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mutable crl::time _animationCurrentStart = 0;
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mutable crl::time _animationNextStart = 0;
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mutable int _animationCurrentIndex = 0;
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bool _colorized = false;
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};
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[[nodiscard]] std::unique_ptr<AnimatedIcon> MakeAnimatedIcon(
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AnimatedIconDescriptor &&descriptor);
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} // namespace Ui
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