implement checkbox
This commit is contained in:
laserpants
parent
ed66ccc0f0
commit
54028ac4d5
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@ -1,67 +1,347 @@
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#include <QWidget>
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#include <QPainter>
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#include <QStylePainter>
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#include <QStyleOptionButton>
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#include "checkbox.h"
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#include <QPainter>
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#include <QEvent>
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#include <QSignalTransition>
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#include <QPropertyAnimation>
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#include <QApplication>
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#include <QDebug>
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#include "checkbox_p.h"
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#include "lib/rippleoverlay.h"
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#include "lib/style.h"
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#include "lib/ripple.h"
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CheckboxPrivate::CheckboxPrivate(Checkbox *q)
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: q_ptr(q),
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checkedIcon(new CheckboxIcon(QIcon("../qt-material-widgets/ic_check_box_black_24px.svg"))),
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uncheckedIcon(new CheckboxIcon(QIcon("../qt-material-widgets/ic_check_box_outline_blank_black_24px.svg"))),
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iconSize(24),
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useThemeColors(true)
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{
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}
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void CheckboxPrivate::init()
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{
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Q_Q(Checkbox);
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q->setCheckable(true);
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uncheckedIcon->setParent(q);
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checkedIcon->setParent(q);
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ripple = new RippleOverlay(q->parentWidget());
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machine = new QStateMachine(q);
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QFont f(q->font());
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f.setPointSizeF(11);
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q->setFont(f);
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uncheckedState = new QState;
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transitionState = new QState;
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checkedState = new QState;
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machine->addState(uncheckedState);
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machine->addState(transitionState);
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machine->addState(checkedState);
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machine->setInitialState(uncheckedState);
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QSignalTransition *transition;
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QPropertyAnimation *animation;
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transition = new QSignalTransition(q, SIGNAL(toggled(bool)));
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transition->setTargetState(transitionState);
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uncheckedState->addTransition(transition);
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transition = new QSignalTransition(transitionState, SIGNAL(propertiesAssigned()));
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transition->setTargetState(checkedState);
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transitionState->addTransition(transition);
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animation = new QPropertyAnimation(checkedIcon, "iconSize");
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animation->setDuration(250);
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transition->addAnimation(animation);
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transition = new QSignalTransition(q, SIGNAL(toggled(bool)));
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transition->setTargetState(uncheckedState);
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checkedState->addTransition(transition);
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animation = new QPropertyAnimation(checkedIcon, "opacity");
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animation->setDuration(350);
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transition->addAnimation(animation);
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animation = new QPropertyAnimation(checkedIcon, "iconSize");
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animation->setDuration(1250);
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transition->addAnimation(animation);
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q->assignAnimationProperties();
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updatePalette();
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machine->start();
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QCoreApplication::processEvents();
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}
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void CheckboxPrivate::updatePalette()
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{
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Q_Q(Checkbox);
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if (q->isEnabled()) {
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checkedIcon->setColor(q->checkedColor());
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uncheckedIcon->setColor(q->uncheckedColor());
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} else {
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checkedIcon->setColor(q->disabledColor());
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uncheckedIcon->setColor(q->disabledColor());
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}
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}
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Checkbox::Checkbox(QWidget *parent)
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: QAbstractButton(parent)
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: QAbstractButton(parent),
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d_ptr(new CheckboxPrivate(this))
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{
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setFixedSize(200, 200);
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d_func()->init();
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}
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Checkbox::~Checkbox()
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{
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}
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void Checkbox::mousePressEvent(QMouseEvent *event)
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void Checkbox::setUseThemeColors(bool state)
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{
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QAbstractButton::mousePressEvent(event);
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Q_D(Checkbox);
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d->useThemeColors = state;
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d->updatePalette();
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update();
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}
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void Checkbox::mouseReleaseEvent(QMouseEvent *event)
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bool Checkbox::useThemeColors() const
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{
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QAbstractButton::mouseReleaseEvent(event);
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Q_D(const Checkbox);
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return d->useThemeColors;
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}
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void Checkbox::setCheckedColor(const QColor &color)
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{
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Q_D(Checkbox);
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d->checkedColor = color;
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setUseThemeColors(false);
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}
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QColor Checkbox::checkedColor() const
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{
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Q_D(const Checkbox);
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if (d->useThemeColors || !d->checkedColor.isValid()) {
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return Style::instance().themeColor("primary1");
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} else {
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return d->checkedColor;
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}
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}
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void Checkbox::setUncheckedColor(const QColor &color)
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{
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Q_D(Checkbox);
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d->uncheckedColor = color;
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setUseThemeColors(false);
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}
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QColor Checkbox::uncheckedColor() const
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{
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Q_D(const Checkbox);
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if (d->useThemeColors || !d->uncheckedColor.isValid()) {
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return Style::instance().themeColor("text");
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} else {
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return d->uncheckedColor;
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}
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}
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void Checkbox::setTextColor(const QColor &color)
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{
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Q_D(Checkbox);
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d->textColor = color;
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setUseThemeColors(false);
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}
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QColor Checkbox::textColor() const
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{
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Q_D(const Checkbox);
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if (d->useThemeColors || !d->textColor.isValid()) {
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return Style::instance().themeColor("text");
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} else {
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return d->textColor;
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}
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}
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void Checkbox::setDisabledColor(const QColor &color)
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{
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Q_D(Checkbox);
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d->disabledColor = color;
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setUseThemeColors(false);
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}
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QColor Checkbox::disabledColor() const
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{
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Q_D(const Checkbox);
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if (d->useThemeColors || !d->disabledColor.isValid()) {
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// Transparency will not work here, since we use this color to
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// tint the icon using a QGraphicsColorizeEffect
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return Style::instance().themeColor("accent3");
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} else {
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return d->disabledColor;
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}
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}
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void Checkbox::setCheckedIcon(const QIcon &icon)
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{
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Q_D(Checkbox);
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d->checkedIcon->setIcon(icon);
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}
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QIcon Checkbox::checkedIcon() const
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{
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Q_D(const Checkbox);
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return d->checkedIcon->icon();
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}
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void Checkbox::setUncheckedIcon(const QIcon &icon)
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{
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Q_D(Checkbox);
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d->uncheckedIcon->setIcon(icon);
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}
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QIcon Checkbox::uncheckedIcon() const
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{
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Q_D(const Checkbox);
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return d->uncheckedIcon->icon();
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}
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void Checkbox::setIconSize(int size)
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{
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Q_D(Checkbox);
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if (size > 38) {
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size = 38;
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qWarning() << "Checkbox::setIconSize: maximum allowed icon size is 38";
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}
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d->iconSize = size;
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assignAnimationProperties();
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if (isChecked()) {
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d->checkedIcon->setIconSize(size);
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d->uncheckedIcon->setIconSize(0);
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} else {
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d->uncheckedIcon->setIconSize(size);
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d->checkedIcon->setIconSize(0);
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}
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update();
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}
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int Checkbox::iconSize() const
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{
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Q_D(const Checkbox);
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return d->iconSize;
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}
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QSize Checkbox::sizeHint() const
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{
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QString s(text());
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if (s.isEmpty())
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return QSize(32, 32);
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QFontMetrics fm = fontMetrics();
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QSize sz = fm.size(Qt::TextShowMnemonic, s);
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return QSize(sz.width() + 44, 32);
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}
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bool Checkbox::event(QEvent *event)
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{
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Q_D(Checkbox);
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switch (event->type())
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{
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case QEvent::Resize:
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case QEvent::Move:
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d->ripple->setGeometry(geometry().adjusted(-8, -8, 8, 8));
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d->checkedIcon->setGeometry(rect());
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d->uncheckedIcon->setGeometry(rect());
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break;
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case QEvent::ParentChange:
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QWidget *widget;
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if ((widget = parentWidget())) {
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d->ripple->setParent(widget);
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}
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break;
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case QEvent::EnabledChange:
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d->updatePalette();
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if (isChecked()) {
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d->checkedIcon->setIconSize(d->iconSize);
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d->uncheckedIcon->setIconSize(0);
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} else {
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d->checkedIcon->setIconSize(0);
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d->uncheckedIcon->setIconSize(d->iconSize);
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}
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break;
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default:
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break;
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}
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return QAbstractButton::event(event);
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}
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void Checkbox::mousePressEvent(QMouseEvent *event)
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{
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Q_UNUSED(event)
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if (!isEnabled())
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return;
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Q_D(Checkbox);
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Ripple *ripple = new Ripple(QPoint(24, 24));
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ripple->setRadiusEndValue(24);
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ripple->setColor(isChecked() ? d->checkedIcon->color() : Qt::black);
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d->ripple->addRipple(ripple);
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setChecked(!isChecked());
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}
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void Checkbox::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event)
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QStylePainter p(this);
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QStyleOptionButton opt;
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initStyleOption(&opt);
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p.drawControl(QStyle::CE_CheckBox, opt);
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QPainter painter(this);
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p.drawRect(rect().adjusted(0, 0, -1, -1)); // tmp
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QPen pen;
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pen.setColor(isEnabled() ? textColor() : disabledColor());
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painter.setPen(pen);
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painter.drawText(44, 21, text());
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}
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void Checkbox::initStyleOption(QStyleOptionButton *option) const
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void Checkbox::assignAnimationProperties()
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{
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if (!option)
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return;
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//Q_D(const QCheckBox);
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option->initFrom(this);
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/*
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if (d->down)
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option->state |= QStyle::State_Sunken;
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if (d->tristate && d->noChange)
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option->state |= QStyle::State_NoChange;
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else
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option->state |= d->checked ? QStyle::State_On : QStyle::State_Off;
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*/
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if (testAttribute(Qt::WA_Hover) && underMouse()) {
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/*
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if (d->hovering)
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option->state |= QStyle::State_MouseOver;
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else
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option->state &= ~QStyle::State_MouseOver;
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*/
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}
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option->text = "Label label";
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/*
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option->text = d->text;
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option->icon = d->icon;
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option->iconSize = iconSize();
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*/
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Q_D(Checkbox);
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d->uncheckedState->assignProperty(d->checkedIcon, "opacity", 0);
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d->uncheckedState->assignProperty(d->checkedIcon, "iconSize", d->iconSize);
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d->uncheckedState->assignProperty(d->uncheckedIcon, "color", uncheckedColor());
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d->transitionState->assignProperty(d->checkedIcon, "iconSize", 0);
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d->checkedState->assignProperty(d->checkedIcon, "opacity", 1);
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d->checkedState->assignProperty(d->checkedIcon, "iconSize", d->iconSize);
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d->checkedState->assignProperty(d->uncheckedIcon, "color", checkedColor());
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}
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@ -3,7 +3,7 @@
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#include <QAbstractButton>
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class QStyleOptionButton;
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class CheckboxPrivate;
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class Checkbox : public QAbstractButton
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{
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@ -13,12 +13,44 @@ public:
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explicit Checkbox(QWidget *parent = 0);
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~Checkbox();
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void setUseThemeColors(bool state);
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bool useThemeColors() const;
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void setCheckedColor(const QColor &color);
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QColor checkedColor() const;
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void setUncheckedColor(const QColor &color);
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QColor uncheckedColor() const;
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void setTextColor(const QColor &color);
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QColor textColor() const;
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void setDisabledColor(const QColor &color);
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QColor disabledColor() const;
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void setCheckedIcon(const QIcon &icon);
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QIcon checkedIcon() const;
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void setUncheckedIcon(const QIcon &icon);
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QIcon uncheckedIcon() const;
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void setIconSize(int size);
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int iconSize() const;
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QSize sizeHint() const;
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protected:
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bool event(QEvent *event) Q_DECL_OVERRIDE;
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void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
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void mouseReleaseEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
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void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
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void initStyleOption(QStyleOptionButton *option) const;
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virtual void assignAnimationProperties();
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const QScopedPointer<CheckboxPrivate> d_ptr;
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private:
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Q_DISABLE_COPY(Checkbox)
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Q_DECLARE_PRIVATE(Checkbox)
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};
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#endif // CHECKBOX_H
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@ -0,0 +1,82 @@
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#include "checkbox_internal.h"
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#include <QPainter>
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#include <QGraphicsColorizeEffect>
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CheckboxIcon::CheckboxIcon(const QIcon &icon, QWidget *parent)
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: QWidget(parent),
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_icon(icon),
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_iconSize(24),
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_opacity(1.0),
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_effect(new QGraphicsColorizeEffect)
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{
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setAttribute(Qt::WA_TransparentForMouseEvents);
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setGraphicsEffect(_effect);
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}
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CheckboxIcon::~CheckboxIcon()
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{
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}
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void CheckboxIcon::setColor(const QColor &color)
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{
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if (_effect->color() == color)
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return;
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_effect->setColor(color);
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update();
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}
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QColor CheckboxIcon::color() const
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{
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return _effect->color();
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}
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void CheckboxIcon::setIconSize(qreal size)
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{
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_iconSize = size;
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update();
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}
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qreal CheckboxIcon::iconSize() const
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{
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return _iconSize;
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}
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void CheckboxIcon::setOpacity(qreal opacity)
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{
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_opacity = opacity;
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update();
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}
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qreal CheckboxIcon::opacity() const
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{
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return _opacity;
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}
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void CheckboxIcon::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event)
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#ifdef DEBUG_LAYOUT
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QPainter debug(this);
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debug.drawRect(rect().adjusted(0, 0, -1, -1));
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#endif
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if (0 == _iconSize)
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return;
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setOpacity(_opacity);
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const qreal p = static_cast<qreal>((height())-_iconSize)/2;
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const qreal z = static_cast<qreal>(_iconSize)/24;
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QTransform t;
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t.translate(p, p);
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t.scale(z, z);
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painter.setTransform(t);
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_icon.paint(&painter, QRect(0, 0, 24, 24));
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}
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@ -0,0 +1,45 @@
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#ifndef CHECKBOX_INTERNAL_H
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#define CHECKBOX_INTERNAL_H
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#include <QWidget>
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#include <QIcon>
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class QGraphicsColorizeEffect;
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class CheckboxIcon : public QWidget
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{
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Q_OBJECT
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Q_PROPERTY(QColor color READ color WRITE setColor)
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Q_PROPERTY(qreal iconSize READ iconSize WRITE setIconSize)
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Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity)
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public:
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CheckboxIcon(const QIcon &icon, QWidget *parent = 0);
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~CheckboxIcon();
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inline void setIcon(const QIcon &icon) { _icon = icon; update(); }
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inline QIcon icon() const { return _icon; }
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||||
|
||||
void setColor(const QColor &color);
|
||||
QColor color() const;
|
||||
|
||||
void setIconSize(qreal size);
|
||||
qreal iconSize() const;
|
||||
|
||||
void setOpacity(qreal opacity);
|
||||
qreal opacity() const;
|
||||
|
||||
protected:
|
||||
void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
|
||||
|
||||
private:
|
||||
Q_DISABLE_COPY(CheckboxIcon)
|
||||
|
||||
QIcon _icon;
|
||||
qreal _iconSize;
|
||||
qreal _opacity;
|
||||
QGraphicsColorizeEffect *const _effect;
|
||||
};
|
||||
|
||||
#endif // CHECKBOX_INTERNAL_H
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
#ifndef CHECKBOX_P_H
|
||||
#define CHECKBOX_P_H
|
||||
|
||||
#include <QObject>
|
||||
#include <QStateMachine>
|
||||
#include "checkbox_internal.h"
|
||||
|
||||
class Checkbox;
|
||||
class RippleOverlay;
|
||||
|
||||
class CheckboxPrivate
|
||||
{
|
||||
Q_DISABLE_COPY(CheckboxPrivate)
|
||||
Q_DECLARE_PUBLIC(Checkbox)
|
||||
|
||||
public:
|
||||
CheckboxPrivate(Checkbox *q);
|
||||
|
||||
void init();
|
||||
void updatePalette();
|
||||
|
||||
Checkbox *const q_ptr;
|
||||
RippleOverlay *ripple;
|
||||
CheckboxIcon *checkedIcon;
|
||||
CheckboxIcon *uncheckedIcon;
|
||||
QStateMachine *machine;
|
||||
QState *uncheckedState;
|
||||
QState *transitionState;
|
||||
QState *checkedState;
|
||||
int iconSize;
|
||||
QColor checkedColor;
|
||||
QColor uncheckedColor;
|
||||
QColor textColor;
|
||||
QColor disabledColor;
|
||||
bool useThemeColors;
|
||||
};
|
||||
|
||||
#endif // CHECKBOX_P_H
|
||||
Loading…
Reference in New Issue