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

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2023-03-06 12:38:25 +08:00
#include "qtmaterialdialog_internal.h"
#include <QPainter>
#include <QPixmap>
#include <QEvent>
#include <QtWidgets/QStackedLayout>
#include "qtmaterialdialog.h"
/*!
* \class QtMaterialDialogProxy
* \internal
*/
QtMaterialDialogProxy::QtMaterialDialogProxy(
QtMaterialDialogWindow *source,
QStackedLayout *layout,
QtMaterialDialog *dialog,
QWidget *parent)
: QWidget(parent),
m_source(source),
m_layout(layout),
m_dialog(dialog),
m_opacity(0),
m_mode(Transparent)
{
}
QtMaterialDialogProxy::~QtMaterialDialogProxy()
{
}
void QtMaterialDialogProxy::setOpacity(qreal opacity)
{
m_opacity = opacity;
m_mode = SemiTransparent;
update();
m_dialog->update();
}
void QtMaterialDialogProxy::makeOpaque()
{
m_dialog->setAttribute(Qt::WA_TransparentForMouseEvents, false);
m_layout->setCurrentIndex(0);
m_opacity = 1.0;
m_mode = Opaque;
update();
}
void QtMaterialDialogProxy::makeTransparent()
{
m_opacity = 0.0;
m_mode = Transparent;
update();
}
QSize QtMaterialDialogProxy::sizeHint() const
{
return m_source->sizeHint();
}
bool QtMaterialDialogProxy::event(QEvent *event)
{
const QEvent::Type type = event->type();
if (QEvent::Move == type || QEvent::Resize == type) {
m_source->setGeometry(geometry());
}
return QWidget::event(event);
}
void QtMaterialDialogProxy::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
QPainter painter(this);
if (Transparent == m_mode) {
return;
} else if (Opaque != m_mode) {
painter.setOpacity(m_opacity);
}
QPixmap pm = m_source->grab(m_source->rect());
painter.drawPixmap(0, 0, pm);
}
/*!
* \class QtMaterialDialogWindow
* \internal
*/
QtMaterialDialogWindow::QtMaterialDialogWindow(
QtMaterialDialog *dialog,
QWidget *parent)
: QWidget(parent),
m_dialog(dialog)
{
}
QtMaterialDialogWindow::~QtMaterialDialogWindow()
{
}
void QtMaterialDialogWindow::setOffset(int offset)
{
QMargins margins = m_dialog->layout()->contentsMargins();
margins.setBottom(offset);
m_dialog->layout()->setContentsMargins(margins);
}
int QtMaterialDialogWindow::offset() const
{
return m_dialog->layout()->contentsMargins().bottom();
}
void QtMaterialDialogWindow::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
QPainter painter(this);
QBrush brush;
brush.setStyle(Qt::SolidPattern);
brush.setColor(Qt::white);
painter.setPen(Qt::NoPen);
painter.setBrush(brush);
painter.drawRect(rect());
}