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96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
// Copyright (C) 2022 ~ 2022 Deepin Technology Co., Ltd.
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// SPDX-FileCopyrightText: 2018 - 2023 UnionTech Software Technology Co., Ltd.
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//
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// SPDX-License-Identifier: LGPL-3.0-or-later
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#ifndef SLIDERCONTAINER_H
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#define SLIDERCONTAINER_H
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#include <DSlider>
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#include <QProxyStyle>
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#include <QTimer>
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class QLabel;
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class SliderProxyStyle;
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class SliderIconWidget;
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/**
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* @brief 滚动条的类的封装，封装这个类的原因，是为了方便设置左右图标，dtk中的对应的DSlider类也有这个功能，
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* 但是只能简单的设置左右图标，对于右边图标有阴影的，需要外部提供一个带阴影图标，但是如果由外部来提供，
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* 通过QPixmap绘制的带阴影的图标无法消除锯齿（即使通过反走样也不行），因此在此处封装这个类
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*/
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class SliderContainer : public QWidget
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{
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Q_OBJECT
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public:
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enum IconPosition {
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LeftIcon = 0,
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RightIcon
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};
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public:
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explicit SliderContainer(QWidget *parent);
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~SliderContainer() override;
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void setTitle(const QString &text);
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void setSliderProxyStyle(QProxyStyle *proxyStyle);
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void setIcon(const IconPosition &iconPosition, const QIcon &icon);
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void setIcon(const IconPosition &iconPosition, const QPixmap &icon, const QSize &shadowSize, int space);
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void setPageStep(int step);
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void setRange(int min, int max);
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int getSliderValue();
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Q_SIGNALS:
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void iconClicked(const IconPosition &);
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void sliderValueChanged(int value);
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public slots:
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void updateSliderValue(int value);
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protected:
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bool eventFilter(QObject *watched, QEvent *event) override;
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QSize getSuitableSize(const QSize &iconSize, const QSize &bgSize);
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private:
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SliderIconWidget *m_leftIconWidget;
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QSlider *m_slider;
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QLabel *m_titleLabel;
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SliderIconWidget *m_rightIconWidget;
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QWidget *m_spaceLeftWidget;
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QWidget *m_spaceRightWidget;
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};
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/**
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* @brief 用来设置滚动条的样式
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* @param drawSpecial: true
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*/
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class SliderProxyStyle : public QProxyStyle
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{
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Q_OBJECT
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public:
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enum StyleType {
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RoundHandler = 0, // 绘制那种黑色圆底滑动条
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Normal // 绘制那种通用的滑动条
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};
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public:
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explicit SliderProxyStyle(StyleType drawSpecial = RoundHandler, QStyle *style = nullptr);
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~SliderProxyStyle() override;
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protected:
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void drawComplexControl(QStyle::ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget = nullptr) const override;
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private:
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void drawNormalSlider(QPainter *painter, QRect rectGroove, QRect rectHandle, const QWidget *wigdet) const;
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void drawRoundSlider(QPainter *painter, QRect rectGroove, QRect rectHandle, const QWidget *wigdet) const;
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private:
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StyleType m_drawSpecial;
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};
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#endif // VOLUMESLIDER_H
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