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feat: The custom control MySwitchButton has been implemented

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This commit is contained in:
muli
2020-02-23 13:14:55 +08:00
committed by touwoyimuli
parent 787a6061a8
commit 1de27374cc
7 changed files with 155 additions and 48 deletions
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51
QtMyStyleEx/QtExample03/QtStyleEx/mystyle.cpp
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@@ -21,7 +21,6 @@
#include "mystyle.h"
#include <QDebug>
#include <QPainter>
#include <QStyleOption>
@@ -38,7 +37,6 @@ void MyStyle::drawPrimitive(const QStyle *style, MyStyle::PrimitiveElement pe, c
void MyStyle::drawControl(const QStyle *style, MyStyle::ControlElement element, const QStyleOption *opt, QPainter *p, const QWidget *w)
{
}
QRect MyStyle::subElementRect(const QStyle *style, MyStyle::SubElement subElement, const QStyleOption *option, const QWidget *widget)
@@ -102,19 +100,37 @@ void MyStyle::unpolish(QWidget *widget)
QCommonStyle::unpolish(widget);
}
void MyStyle::drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption *opt, QPainter *p, const QWidget *w) const
{
switch (pe) {
case PE_SwitchButtonGroove: {
if (const QStyleOptionButton* swtchBtn = qstyleoption_cast<const QStyleOptionButton*>(opt)) {
p->setBrush(Qt::red);
p->drawRoundedRect(swtchBtn->rect, 8, 8);
if (const QStyleOptionButton* switchBtn = qstyleoption_cast<const QStyleOptionButton*>(opt)) {
p->setPen(Qt::NoPen);
if (switchBtn->state & State_On)
p->setBrush(QColor("#77d472"));
if (switchBtn->state & State_Off) {
p->setPen(QPen(QColor("#e5e5e5"), 2));
p->setBrush(QColor("#fdfefd"));
}
p->drawRoundedRect(switchBtn->rect.adjusted(1, 1, -1, -1), switchBtn->rect.height() / 2.0, switchBtn->rect.height() / 2.0);
}
}
break;
case PE_SwitchButtonHandle: {
if (const QStyleOptionButton* switchBtn = qstyleoption_cast<const QStyleOptionButton*>(opt)) {
p->setPen(Qt::NoPen);
if (switchBtn->state & State_On)
p->setBrush(QColor("#fefffe"));
if (switchBtn->state & State_Off)
p->setPen(QPen(QColor("#e5e5e5"), 2));
QRect rectHandle = switchBtn->rect.adjusted(1, 1, -1, -1);
int r = qMin(rectHandle.width() / 2.0, rectHandle.height() / 2.0);
p->drawEllipse(rectHandle.center(), r, r);
}
}
break;
default:
@@ -185,7 +201,6 @@ QRect MyStyle::subElementRect(QStyle::SubElement subElement, const QStyleOption
case SE_SwitchButtonHandle: {
if (const QStyleOptionButton* switchBtn = qstyleoption_cast<const QStyleOptionButton*>(option)) {
int handleWidth = pixelMetric(PM_SwitchButtonHandleWidth, option, widget);
//pixelMetric(PM_SwitchButtonHandleWidth, option, widget);
QRect rectHandle(0, 0, 0, 0);
rectHandle.setHeight(switchBtn->rect.height());
@@ -194,10 +209,10 @@ QRect MyStyle::subElementRect(QStyle::SubElement subElement, const QStyleOption
else
rectHandle.setWidth(handleWidth);
if (switchBtn->state & QStyle::State_Off)
rectHandle.moveLeft(switchBtn->rect.left() + 5);
if (switchBtn->state & QStyle::State_On)
rectHandle.moveRight(switchBtn->rect.right());
else
rectHandle.moveLeft(switchBtn->rect.left());
rectHandle.moveRight(switchBtn->rect.right() - 5);
return rectHandle;
}
@@ -296,6 +311,21 @@ void MyStylePainter::drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOpti
m_qStyle->drawPrimitive(pe, opt, this, m_widget);
}
MyStylePainter::MyStylePainter()
: QPainter()
{
m_widget = nullptr;
m_myStyleHelp = nullptr;
}
MyStylePainter::MyStylePainter(QWidget* w)
{
m_widget = w;
m_qStyle = w->style();
m_myStyleHelp.setStyle(m_qStyle);
QPainter::begin(w); //是调用父类的 begin(), 调试半天才发现
}
void MyStylePainter::drawPrimitive(MyStyle::PrimitiveElement pe, const QStyleOption *opt)
{
m_myStyleHelp.drawPrimitive(pe, opt, this, m_widget);
@@ -310,4 +340,3 @@ void MyStylePainter::drawControl(MyStyle::ControlElement element, const QStyleOp
{
m_myStyleHelp.drawControl(element, opt, this, m_widget);
}