64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
// This file is part of Desktop App Toolkit,
|
|
// a set of libraries for developing nice desktop applications.
|
|
//
|
|
// For license and copyright information please follow this link:
|
|
// https://github.com/desktop-app/legal/blob/master/LEGAL
|
|
//
|
|
#pragma once
|
|
|
|
#include "ui/style/style_core_types.h"
|
|
|
|
#include <QtGui/QLinearGradient>
|
|
|
|
namespace Ui {
|
|
|
|
class PathShiftGradient final {
|
|
public:
|
|
PathShiftGradient(
|
|
const style::color &bg,
|
|
const style::color &fg,
|
|
Fn<void()> animationCallback);
|
|
~PathShiftGradient();
|
|
|
|
void startFrame(
|
|
int viewportLeft,
|
|
int viewportWidth,
|
|
int gradientWidth);
|
|
|
|
void overrideColors(const style::color &bg, const style::color &fg);
|
|
void clearOverridenColors();
|
|
|
|
using Background = std::variant<QLinearGradient*, style::color>;
|
|
bool paint(Fn<bool(const Background&)> painter);
|
|
|
|
private:
|
|
struct AnimationData;
|
|
|
|
void refreshColors();
|
|
void refreshColors(const style::color &bg, const style::color &fg);
|
|
void updateGeometry();
|
|
void activateAnimation();
|
|
|
|
static std::weak_ptr<AnimationData> Animation;
|
|
|
|
const style::color &_bg;
|
|
const style::color &_fg;
|
|
const style::color *_bgOverride = nullptr;
|
|
QLinearGradient _gradient;
|
|
std::shared_ptr<AnimationData> _animation;
|
|
const Fn<void()> _animationCallback;
|
|
int _viewportLeft = 0;
|
|
int _viewportWidth = 0;
|
|
int _gradientWidth = 0;
|
|
int _gradientStart = 0;
|
|
int _gradientFinalStop = 0;
|
|
bool _gradientEnabled = false;
|
|
bool _geometryUpdated = false;
|
|
bool _animationActive = false;
|
|
bool _colorsOverriden = false;
|
|
|
|
rpl::lifetime _lifetime;
|
|
|
|
};
|
|
|
|
} // namespace Ui
|