draw basic Slider track geometry
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25b5015e33
commit
97cd0651d6
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@ -13,12 +13,30 @@ Slider::~Slider()
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{
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}
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void Slider::setOrientation(Qt::Orientation orientation)
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{
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Q_D(Slider);
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d->orientation = orientation;
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update();
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}
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Qt::Orientation Slider::orientation() const
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{
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Q_D(const Slider);
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return d->orientation;
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}
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void Slider::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event)
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Q_D(Slider);
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QPainter painter(this);
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d->paintTrack(&painter);
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d->paintThumb(&painter);
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#ifdef DEBUG_LAYOUT
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QPen pen;
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pen.setColor(Qt::red);
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@ -14,6 +14,9 @@ public:
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explicit Slider(QWidget *parent = 0);
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~Slider();
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void setOrientation(Qt::Orientation orientation);
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Qt::Orientation orientation() const;
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protected:
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void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
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@ -2,6 +2,7 @@
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#define SLIDER_P_H
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#include "slider.h"
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#include <QPainter>
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class SliderPrivate
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{
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@ -10,11 +11,47 @@ class SliderPrivate
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public:
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SliderPrivate(Slider *parent)
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: q_ptr(parent)
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: q_ptr(parent),
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orientation(Qt::Horizontal)
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{
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}
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QRect trackGeometry() const
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{
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Q_Q(const Slider);
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return Qt::Horizontal == orientation
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? QRect(0, q->rect().height()/2 - 1, q->rect().width(), 2)
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: QRect(q->rect().width()/2 - 1, 0, 2, q->rect().height());
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}
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void paintTrack(QPainter *painter)
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{
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Q_Q(Slider);
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QBrush brush;
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brush.setStyle(Qt::SolidPattern);
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brush.setColor(QColor(0, 0, 0, 255));
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painter->save();
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painter->fillRect(trackGeometry(), brush);
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painter->restore();
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#ifdef DEBUG_LAYOUT
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painter->drawRect(q->rect().adjusted(1, 1, -2, -2));
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#endif
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}
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void paintThumb(QPainter *painter)
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{
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painter->save();
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painter->restore();
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}
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Slider *const q_ptr;
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Qt::Orientation orientation;
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};
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#endif // SLIDER_P_H
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