ArchitectureColoredPainting/qt-material-widgets/components/qtmaterialdialog.cpp

168 lines
4.4 KiB
C++
Raw Normal View History

2023-03-06 12:38:25 +08:00
#include "qtmaterialdialog.h"
#include "qtmaterialdialog_p.h"
#include <QtWidgets/QStackedLayout>
#include <QtWidgets/QGraphicsDropShadowEffect>
#include <QStateMachine>
#include <QState>
#include <QtWidgets/QApplication>
#include <QPropertyAnimation>
#include <QPainter>
#include "qtmaterialdialog_internal.h"
#include "lib/qtmaterialstatetransition.h"
/*!
* \class QtMaterialDialogPrivate
* \internal
*/
QtMaterialDialogPrivate::QtMaterialDialogPrivate(QtMaterialDialog *q)
: q_ptr(q)
{
}
QtMaterialDialogPrivate::~QtMaterialDialogPrivate()
{
}
void QtMaterialDialogPrivate::init()
{
Q_Q(QtMaterialDialog);
dialogWindow = new QtMaterialDialogWindow(q);
proxyStack = new QStackedLayout;
stateMachine = new QStateMachine(q);
proxy = new QtMaterialDialogProxy(dialogWindow, proxyStack, q);
QVBoxLayout *layout = new QVBoxLayout;
q->setLayout(layout);
QWidget *widget = new QWidget;
widget->setLayout(proxyStack);
widget->setMinimumWidth(400);
QGraphicsDropShadowEffect *effect = new QGraphicsDropShadowEffect;
effect->setColor(QColor(0, 0, 0, 200));
effect->setBlurRadius(64);
effect->setOffset(0, 13);
widget->setGraphicsEffect(effect);
layout->addWidget(widget);
layout->setAlignment(widget, Qt::AlignCenter);
proxyStack->addWidget(dialogWindow);
proxyStack->addWidget(proxy);
proxyStack->setCurrentIndex(1);
q->setAttribute(Qt::WA_TransparentForMouseEvents);
QState *hiddenState = new QState;
QState *visibleState = new QState;
stateMachine->addState(hiddenState);
stateMachine->addState(visibleState);
stateMachine->setInitialState(hiddenState);
QtMaterialStateTransition *transition;
transition = new QtMaterialStateTransition(DialogShowTransition);
transition->setTargetState(visibleState);
hiddenState->addTransition(transition);
transition = new QtMaterialStateTransition(DialogHideTransition);
transition->setTargetState(hiddenState);
visibleState->addTransition(transition);
visibleState->assignProperty(proxy, "opacity", 1);
visibleState->assignProperty(effect, "color", QColor(0, 0, 0, 200));
visibleState->assignProperty(dialogWindow, "offset", 0);
hiddenState->assignProperty(proxy, "opacity", 0);
hiddenState->assignProperty(effect, "color", QColor(0, 0, 0, 0));
hiddenState->assignProperty(dialogWindow, "offset", 200);
QPropertyAnimation *animation;
animation = new QPropertyAnimation(proxy, "opacity", q);
animation->setDuration(280);
stateMachine->addDefaultAnimation(animation);
animation = new QPropertyAnimation(effect, "color", q);
animation->setDuration(280);
stateMachine->addDefaultAnimation(animation);
animation = new QPropertyAnimation(dialogWindow, "offset", q);
animation->setDuration(280);
animation->setEasingCurve(QEasingCurve::OutCirc);
stateMachine->addDefaultAnimation(animation);
QObject::connect(visibleState, SIGNAL(propertiesAssigned()),
proxy, SLOT(makeOpaque()));
QObject::connect(hiddenState, SIGNAL(propertiesAssigned()),
proxy, SLOT(makeTransparent()));
stateMachine->start();
QCoreApplication::processEvents();
}
/*!
* \class QtMaterialDialog
*/
QtMaterialDialog::QtMaterialDialog(QWidget *parent)
: QtMaterialOverlayWidget(parent),
d_ptr(new QtMaterialDialogPrivate(this))
{
d_func()->init();
}
QtMaterialDialog::~QtMaterialDialog()
{
}
QLayout *QtMaterialDialog::windowLayout() const
{
Q_D(const QtMaterialDialog);
return d->dialogWindow->layout();
}
void QtMaterialDialog::setWindowLayout(QLayout *layout)
{
Q_D(QtMaterialDialog);
d->dialogWindow->setLayout(layout);
}
void QtMaterialDialog::showDialog()
{
Q_D(QtMaterialDialog);
d->stateMachine->postEvent(new QtMaterialStateTransitionEvent(DialogShowTransition));
raise();
}
void QtMaterialDialog::hideDialog()
{
Q_D(QtMaterialDialog);
d->stateMachine->postEvent(new QtMaterialStateTransitionEvent(DialogHideTransition));
setAttribute(Qt::WA_TransparentForMouseEvents);
d->proxyStack->setCurrentIndex(1);
}
void QtMaterialDialog::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
Q_D(QtMaterialDialog);
QPainter painter(this);
QBrush brush;
brush.setStyle(Qt::SolidPattern);
brush.setColor(Qt::black);
painter.setBrush(brush);
painter.setPen(Qt::NoPen);
painter.setOpacity(d->proxy->opacity()/2.4);
painter.drawRect(rect());
}