131 lines
3.2 KiB
C++
131 lines
3.2 KiB
C++
#include <QEvent>
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#include <QLayout>
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#include <QPropertyAnimation>
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#include <QDebug>
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#include <QPainter>
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#include "iconmenu.h"
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#include "menu.h"
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#include "lib/scaleeffect.h"
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MenuOverlay::MenuOverlay(QWidget *parent)
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: QWidget(parent)
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{
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setAttribute(Qt::WA_NoSystemBackground);
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setAttribute(Qt::WA_TransparentForMouseEvents);
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}
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MenuOverlay::~MenuOverlay()
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{
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}
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IconMenu::IconMenu(const QIcon &icon, QWidget *parent)
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: IconButton(icon, parent),
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_menuOverlay(new MenuOverlay),
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_menu(new Menu(_menuOverlay)),
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_animation(new QPropertyAnimation(this)),
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_effect(new ScaleEffect(this)),
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_menuVisible(false),
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_progress(1)
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{
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setCheckable(true);
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setOverlayParent(parent);
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_animation->setPropertyName("progress");
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_animation->setTargetObject(this);
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_animation->setDuration(270);
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_animation->setStartValue(1);
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_animation->setEndValue(0);
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_animation->setEasingCurve(QEasingCurve::OutCubic);
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_menu->hide();
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_menu->setGraphicsEffect(_effect);
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QGraphicsDropShadowEffect *effect = new QGraphicsDropShadowEffect;
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effect->setBlurRadius(9);
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effect->setOffset(QPoint(0, 0));
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effect->setColor(QColor(0, 0, 0, 200));
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_menuOverlay->setGraphicsEffect(effect);
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_menuOverlay->installEventFilter(this);
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connect(this, SIGNAL(clicked(bool)), this, SLOT(toggleMenu()));
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connect(_animation, SIGNAL(finished()), this, SLOT(animationFinished()));
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_menu->addMenuItem("Maps");
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_menu->addMenuItem("Books");
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_menu->addMenuItem("Flights");
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_menu->addMenuItem("Apps");
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}
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IconMenu::~IconMenu()
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{
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}
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void IconMenu::setProgress(qreal progress)
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{
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if (_progress == progress)
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return;
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_progress = progress;
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_effect->setScale(progress, progress);
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emit progressChanged(progress);
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update();
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}
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void IconMenu::setOverlayParent(QWidget *parent)
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{
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_menuOverlay->setParent(parent);
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}
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void IconMenu::toggleMenu()
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{
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_animation->setDirection(_menuVisible
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? QAbstractAnimation::Forward
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: QAbstractAnimation::Backward);
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_animation->start();
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_menuVisible = !_menuVisible;
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if (_menuVisible) {
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_menu->show();
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_menuOverlay->setAttribute(Qt::WA_TransparentForMouseEvents, false);
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}
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}
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void IconMenu::animationFinished()
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{
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if (!_menuVisible) {
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_menu->hide();
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_menuOverlay->setAttribute(Qt::WA_TransparentForMouseEvents, true);
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}
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}
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bool IconMenu::eventFilter(QObject *obj, QEvent *event)
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{
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if (QEvent::MouseButtonRelease == event->type() && _menuOverlay == obj)
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toggleMenu();
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return IconButton::eventFilter(obj, event);
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}
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bool IconMenu::event(QEvent *event)
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{
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const QEvent::Type &type = event->type();
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if (QEvent::ParentChange == type) {
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setOverlayParent(parentWidget());
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updateOverlayGeometry();
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} else if (QEvent::Move == type || QEvent::Resize == type) {
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_menuPos = parentWidget()->mapToParent(pos());
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updateOverlayGeometry();
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}
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return IconButton::event(event);
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}
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void IconMenu::updateOverlayGeometry()
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{
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const QSize size = iconSize();
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const QPoint pos = _menuPos + QPoint(size.width()/2, size.height()/2);
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_menu->setGeometry(QRect(pos, _menu->layout()->sizeHint()));
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}
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