158 lines
4.4 KiB
C++
158 lines
4.4 KiB
C++
#include "rm_slider.h"
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#include <QStyle>
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#include <QStyleOption>
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#include <QMouseEvent>
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#include <QDebug>
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#include <QPainter>
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#include <QStylePainter>
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#include "../rm_include.h"
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RMSlider::RMSlider(QWidget *parent):
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QSlider(parent)
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{
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setOrientation(Qt::Horizontal);
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setFocusPolicy(Qt::NoFocus); // 처리해도 mouse wheel 은 처리안됨
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}
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RMSlider::~RMSlider()
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{
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}
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inline int RMSlider::pick(const QPoint &pt) const
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{
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return orientation() == Qt::Horizontal ? pt.x() : pt.y();
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}
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// Function copied from qslider.cpp and modified to make it compile
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int RMSlider::pixelPosToRangeValue(int pos) const
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{
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QStyleOptionSlider opt;
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initStyleOption(&opt);
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QRect gr = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderGroove, this);
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QRect sr = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);
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int sliderMin, sliderMax, sliderLength;
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if (orientation() == Qt::Horizontal) {
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sliderLength = sr.width();
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sliderMin = gr.x();
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sliderMax = gr.right() - sliderLength + 1;
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} else {
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sliderLength = sr.height();
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sliderMin = gr.y();
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sliderMax = gr.bottom() - sliderLength + 1;
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}
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return QStyle::sliderValueFromPosition(minimum(), maximum(), pos - sliderMin,
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sliderMax - sliderMin, opt.upsideDown);
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}
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// Based on code from qslider.cpp
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void RMSlider::mousePressEvent(QMouseEvent *e)
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{
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//LOG_TEST;
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//qInfo() << e;
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//qDebug("pressed (%d, %d)", e->pos().x(), e->pos().y());
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if (e->button() == Qt::LeftButton)
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{
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QStyleOptionSlider opt;
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initStyleOption(&opt);
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const QRect sliderRect = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);
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const QPoint center = sliderRect.center() - sliderRect.topLeft();
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// to take half of the slider off for the setSliderPosition call we use the center - topLeft
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// DRAG 처리
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bool bKnob = sliderRect.contains(e->pos());
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if (!bKnob)
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{
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e->accept();
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int v = pixelPosToRangeValue(pick(e->pos() - center));
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setSliderPosition(v);
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setRepeatAction(SliderNoAction);
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// KNOB 영역이 아닌 경우에도 이벤트 발생시키기 위해 처리
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emit sliderPressed();
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}
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else
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{
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QSlider::mousePressEvent(e);
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}
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// KNOB 클릭과 아닌 경우 구분하기 위해 사용 (비디오 이동시 pause 처리 등)
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emit sliderPressedWithKnob(bKnob);
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}
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else
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{
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QSlider::mousePressEvent(e);
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}
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}
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void RMSlider::wheelEvent(QWheelEvent *event)
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{
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Q_UNUSED(event);
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}
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void RMSlider::mouseReleaseEvent(QMouseEvent *e)
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{
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if (e->button() == Qt::LeftButton)
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{
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emit mouseReleased();
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}
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QSlider::mouseReleaseEvent(e);
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}
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RMReleasedSlider::RMReleasedSlider(QWidget *parent) : RMSlider(parent)
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{
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}
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void RMReleasedSlider::mouseReleaseEvent(QMouseEvent *e)
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{
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if (e->button() == Qt::LeftButton)
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{
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emit mouseReleased();
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}
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QSlider::mousePressEvent(e);
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}
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/*
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void RMReleasedSlider::paintEvent(QPaintEvent *pe)
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{
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Q_UNUSED(pe);
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QStylePainter p(this);
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QStyleOptionSlider opt;
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initStyleOption(&opt);
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int interval = tickInterval();
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if (interval == 0)
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{
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interval = pageStep();
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}
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if (tickPosition() != NoTicks && tickStrings.isEmpty() == false)
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{
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QFont font = p.font();
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font.setPixelSize(12);
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p.setFont(font);
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QRect handle = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);
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for (int i = minimum(); i <= maximum(); i += interval)
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{
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int x = ceil((double)((double)((double)(i - this->minimum()) / (double)(this->maximum() - this->minimum())) * (double)(this->width() - handle.width()) + (double)(handle.width() / 2.0))) - 1;
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p.setPen(QColor("#8F8F8F"));
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int y = this->rect().top()+4;
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p.drawLine(x, y, x, y + 10);
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p.setPen(QColor("#FFFFFF"));
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p.drawText(x-6,y+22,tickStrings[i]);
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}
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}
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// draw the slider (this is basically copy/pasted from QSlider::paintEvent)
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opt.subControls = QStyle::SC_SliderGroove | QStyle::SC_SliderHandle;
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p.drawComplexControl(QStyle::CC_Slider, opt);
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// 실제 동작하지 않음 draw the slider handle
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// opt.subControls = QStyle::SC_SliderHandle;
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// p.drawComplexControl(QStyle::CC_Slider, opt);
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}
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*/
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