void ChannelRenderArea::setZoomFactor(float z)
{
QString str;
zoomFactor = z;
emit(zoomFactorChanged(zoomFactor));
emit(zoomFactorChanged(str.sprintf("%f", zoomFactor)));
}
void SinglePhotoPreviewLayout::setZoomFactor(double z, SetZoomFlags flags)
{
if (!d->item || !d->view)
{
return;
}
if (flags & SnapZoomFactor)
{
z = d->zoomSettings()->snappedZoomFactor(z, d->frameSize());
}
d->isFitToWindow = false;
d->previousZoom = d->zoomSettings()->zoomFactor();
d->zoomSettings()->setZoomFactor(z);
d->item->sizeHasChanged();
updateLayout();
d->item->update();
emit fitToWindowToggled(d->isFitToWindow);
emit zoomFactorChanged(d->zoomSettings()->zoomFactor());
if (flags & CenterView)
{
d->view->centerOn(d->view->scene()->sceneRect().width() / 2.0,
d->view->scene()->sceneRect().height() / 2.0);
}
}
void QGraphicsWebView::setZoomFactor(qreal factor)
{
if (factor == page()->mainFrame()->zoomFactor())
return;
page()->mainFrame()->setZoomFactor(factor);
emit zoomFactorChanged();
}
void MainWindow::createStatusBar()
{
locationLabel = new QLabel("0, 0");
locationLabel->setAlignment(Qt::AlignHCenter);
locationLabel->setMinimumSize(locationLabel->sizeHint());
zoomFactorLabel = new QLabel(tr("Zoom factor") + ": 1.0");
statusBar()->addWidget(locationLabel);
statusBar()->addWidget(zoomFactorLabel);
connect(painter, SIGNAL(cursorChanged()),
this, SLOT(updateStatusBar()));
connect(painter, SIGNAL(zoomFactorChanged()),
this, SLOT(updateStatusBar()));
updateStatusBar();
}
void SinglePhotoPreviewLayout::fitToWindow()
{
if (!d->item || !d->view)
{
return;
}
d->isFitToWindow = true;
d->previousZoom = d->zoomSettings()->zoomFactor();
d->zoomSettings()->fitToSize(d->frameSize(), ImageZoomSettings::OnlyScaleDown);
d->item->sizeHasChanged();
updateLayout();
d->item->update();
emit fitToWindowToggled(d->isFitToWindow);
emit zoomFactorChanged(d->zoomSettings()->zoomFactor());
}
//-----------------------------------------------------------------------------
void ImgChildWnd::zoomActionUpdate(float fZoomFactor)
{
if (fZoomFactor >= 8.0f)
{
emit zoomInActionAvailable(false);
}
else if (fZoomFactor <= 0.125f)
{
emit zoomOutActionAvailable(false);
}
else
{
emit zoomInActionAvailable(true);
emit zoomOutActionAvailable(true);
emit zoomNormalActionAvailable(true);
}
emit zoomFactorChanged(fZoomFactor);
}
void MapperGLCanvasToolbar::createZoomToolsLayout()
{
// Create zoom tool bar
setObjectName("zoom-toolbox");
// Create label for title
_titleLabel = new QLabel;
// Create horizontale layout for widgets
QHBoxLayout* toolbarLayout = new QHBoxLayout;
toolbarLayout->setContentsMargins(0, 3, 15, 3);
toolbarLayout->setSpacing(16);
// Create buttons
// Zoom In button
_zoomInButton = new QToolButton;
_zoomInButton->setIcon(QIcon(":/zoom-in"));
_zoomInButton->setIconSize(QSize(MM::ZOOM_TOOLBAR_ICON_SIZE, MM::ZOOM_TOOLBAR_ICON_SIZE));
_zoomInButton->setToolTip(tr("Enlarge the shape"));
_zoomInButton->setFixedSize(QSize(MM::ZOOM_TOOLBAR_BUTTON_SIZE, MM::ZOOM_TOOLBAR_BUTTON_SIZE));
_zoomInButton->setObjectName("zoom-in");
connect(_zoomInButton, SIGNAL(clicked()), _canvas, SLOT(increaseZoomLevel()));
// Zoom Out button
_zoomOutButton = new QToolButton;
_zoomOutButton->setIcon(QIcon(":/zoom-out"));
_zoomOutButton->setIconSize(QSize(MM::ZOOM_TOOLBAR_ICON_SIZE, MM::ZOOM_TOOLBAR_ICON_SIZE));
_zoomOutButton->setToolTip(tr("Shrink the shape"));
_zoomOutButton->setFixedSize(QSize(MM::ZOOM_TOOLBAR_BUTTON_SIZE, MM::ZOOM_TOOLBAR_BUTTON_SIZE));
_zoomOutButton->setObjectName("zoom-out");
connect(_zoomOutButton, SIGNAL(clicked()), _canvas, SLOT(decreaseZoomLevel()));
// Reset to normal size button.
_resetZoomButton = new QToolButton;
_resetZoomButton->setIcon(QIcon(":/reset-zoom"));
_resetZoomButton->setIconSize(QSize(MM::ZOOM_TOOLBAR_ICON_SIZE, MM::ZOOM_TOOLBAR_ICON_SIZE));
_resetZoomButton->setToolTip(tr("Reset the shape to the normal size"));
_resetZoomButton->setFixedSize(QSize(MM::ZOOM_TOOLBAR_BUTTON_SIZE, MM::ZOOM_TOOLBAR_BUTTON_SIZE));
_resetZoomButton->setObjectName("reset-zoom");
connect(_resetZoomButton, SIGNAL(clicked()), _canvas, SLOT(resetZoomLevel()));
// Fit to view button
_fitToViewButton = new QToolButton;
_fitToViewButton->setIcon(QIcon(":/zoom-fit"));
_fitToViewButton->setIconSize(QSize(MM::ZOOM_TOOLBAR_ICON_SIZE, MM::ZOOM_TOOLBAR_ICON_SIZE));
_fitToViewButton->setToolTip(tr("Fit the shape to content view"));
_fitToViewButton->setFixedSize(QSize(MM::ZOOM_TOOLBAR_BUTTON_SIZE, MM::ZOOM_TOOLBAR_BUTTON_SIZE));
_fitToViewButton->setObjectName("zoom-fit");
connect(_fitToViewButton, SIGNAL(clicked()), _canvas, SLOT(fitShapeToView()));
// Create the dropdowm menu
_dropdownMenu = new QComboBox;
// make some settings
_dropdownMenu->setFixedHeight(MM::ZOOM_TOOLBAR_BUTTON_SIZE);
_dropdownMenu->setObjectName("dropdown-menu");
// Create if empty or update list
updateDropdownMenu();
// And listen
connect(_dropdownMenu, SIGNAL(activated(QString)), _canvas, SLOT(setZoomFromMenu(QString)));
// Add widgets into layout
toolbarLayout->addWidget(_titleLabel, 0, Qt::AlignVCenter);
toolbarLayout->addWidget(_zoomInButton, 0, Qt::AlignVCenter);
toolbarLayout->addWidget(_zoomOutButton, 0, Qt::AlignVCenter);
toolbarLayout->addWidget(_resetZoomButton, 0, Qt::AlignVCenter);
toolbarLayout->addWidget(_fitToViewButton, 0, Qt::AlignVCenter);
toolbarLayout->addSpacing(25);
toolbarLayout->addWidget(_dropdownMenu, 0, Qt::AlignVCenter);
// Insert layout in widget
setLayout(toolbarLayout);
connect(_canvas, SIGNAL(zoomFactorChanged(qreal)), this, SLOT(updateDropdownMenu(qreal)));
}
void MainWindow::setupDockWidgets(void)
{
int i;
QString s;
QColor color;
/* TODO: Do not create new dockWidgets if we already have them. */
/* TODO: Kill any old dockWidgets before creating new ones? */
for (i = 0; i < getNumChannels(); ++i) {
widgets[i] = new QWidget(this);
gridLayouts[i] = new QGridLayout(widgets[i]);
lineEdits[i] = new QLineEdit(this);
lineEdits[i]->setMaximumWidth(150);
lineEdits[i]->setText(s.sprintf("Channel %d", i));
/* Use random colors for the channel names for now. */
QPalette p = QPalette(QApplication::palette());
color = QColor(2 + qrand() * 16);
p.setColor(QPalette::Base, color);
lineEdits[i]->setPalette(p);
gridLayouts[i]->addWidget(lineEdits[i], i, 1);
channelRenderAreas[i] = new ChannelRenderArea(this);
channelRenderAreas[i]->setSizePolicy(QSizePolicy::Minimum,
QSizePolicy::MinimumExpanding);
channelRenderAreas[i]->setChannelNumber(i);
channelRenderAreas[i]->setChannelColor(color);
gridLayouts[i]->addWidget(channelRenderAreas[i], i, 2);
dockWidgets[i] = new QDockWidget(this);
dockWidgets[i]->setAllowedAreas(Qt::RightDockWidgetArea);
dockWidgets[i]->setFeatures(
QDockWidget::DockWidgetClosable |
QDockWidget::DockWidgetMovable |
QDockWidget::DockWidgetFloatable |
QDockWidget::DockWidgetVerticalTitleBar);
dockWidgets[i]->setWidget(widgets[i]);
addDockWidget(Qt::RightDockWidgetArea, dockWidgets[i]);
/* Update labels upon changes. */
QObject::connect(channelRenderAreas[i],
SIGNAL(sampleStartChanged(QString)),
ui->labelSampleStart, SLOT(setText(QString)));
QObject::connect(channelRenderAreas[i],
SIGNAL(sampleEndChanged(QString)),
ui->labelSampleEnd, SLOT(setText(QString)));
QObject::connect(channelRenderAreas[i],
SIGNAL(zoomFactorChanged(QString)),
ui->labelZoomFactor, SLOT(setText(QString)));
/* Redraw channels upon changes. */
QObject::connect(channelRenderAreas[i],
SIGNAL(sampleStartChanged(QString)),
channelRenderAreas[i], SLOT(generatePainterPath()));
QObject::connect(channelRenderAreas[i],
SIGNAL(sampleEndChanged(QString)),
channelRenderAreas[i], SLOT(generatePainterPath()));
QObject::connect(channelRenderAreas[i],
SIGNAL(zoomFactorChanged(QString)),
channelRenderAreas[i], SLOT(generatePainterPath()));
// dockWidgets[i]->show();
#if 0
/* If the user renames a channel, adapt the dock title. */
QObject::connect(lineEdits[i], SIGNAL(textChanged(QString)),
dockWidgets[i], SLOT(setWindowTitle(QString)));
#endif
}
}
void MyGLWidget::wheelEvent ( QWheelEvent * event )
{
zoom += event->delta() / 30 ;
emit zoomFactorChanged(zoom);
glDraw() ; // !Deprecated
}
