本文整理汇总了C++中QLabel::foregroundRole方法的典型用法代码示例。如果您正苦于以下问题：C++ QLabel::foregroundRole方法的具体用法？C++ QLabel::foregroundRole怎么用？C++ QLabel::foregroundRole使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QLabel的用法示例。
在下文中一共展示了QLabel::foregroundRole方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: eventFilter
/*virtual*/
bool ChoiceFilter::eventFilter(QObject *obj, QEvent *event)
{
QPalette palette;
QLabel *label;
if (event->type() == QEvent::Enter) {
label = qobject_cast<QLabel*>(obj);
palette = label->palette();
this->usualColor = palette.color(QPalette::Text);
palette.setColor(label->foregroundRole(), QColor(Qt::cyan));
label->setPalette(palette);
return true;
}
if (event->type() == QEvent::Leave) {
label = qobject_cast<QLabel*>(obj);
palette = label->palette();
palette.setColor(label->foregroundRole(), this->usualColor);
label->setPalette(palette);
return true;
}
return false;
}示例2: contextMenuEvent
/**
* Shows a context menu for the layer widget. Launched with a right click.
*/
void QG_LayerWidget::contextMenuEvent(QContextMenuEvent *e) {
if (actionHandler) {
QMenu* contextMenu = new QMenu(this);
QLabel* caption = new QLabel(tr("Layer Menu"), this);
QPalette palette;
palette.setColor(caption->backgroundRole(), RS_Color(0,0,0));
palette.setColor(caption->foregroundRole(), RS_Color(255,255,255));
caption->setPalette(palette);
caption->setAlignment( Qt::AlignCenter );
contextMenu->addAction( tr("&Defreeze all Layers"), actionHandler,
SLOT(slotLayersDefreezeAll()), 0);
contextMenu->addAction( tr("&Freeze all Layers"), actionHandler,
SLOT(slotLayersFreezeAll()), 0);
contextMenu->addSeparator();
contextMenu->addAction( tr("&Add Layer"), actionHandler,
SLOT(slotLayersAdd()), 0);
contextMenu->addAction( tr("&Remove Layer"), actionHandler,
SLOT(slotLayersRemove()), 0);
contextMenu->addAction( tr("Edit Layer &Attributes"), actionHandler,
SLOT(slotLayersEdit()), 0);
contextMenu->addAction( tr("Toggle Layer &Visibility"), actionHandler,
SLOT(slotLayersToggleView()), 0);
contextMenu->addAction( tr("Toggle Layer &Printing"), actionHandler,
SLOT(slotLayersTogglePrint()), 0);
contextMenu->addAction( tr("Toggle &Construction Layer"), actionHandler,
SLOT(slotLayersToggleConstruction()), 0);
contextMenu->exec(QCursor::pos());
delete contextMenu;
}
e->accept();
}示例3: contextMenuEvent
/**
* Shows a context menu for the block widget. Launched with a right click.
*/
void QG_BlockWidget::contextMenuEvent(QContextMenuEvent *e) {
QMenu* contextMenu = new QMenu(this);
QLabel* caption = new QLabel(tr("Block Menu"), this);
QPalette palette;
palette.setColor(caption->backgroundRole(), RS_Color(0,0,0));
palette.setColor(caption->foregroundRole(), RS_Color(255,255,255));
caption->setPalette(palette);
caption->setAlignment( Qt::AlignCenter );
contextMenu->addAction( tr("&Defreeze all Blocks"), actionHandler,
SLOT(slotBlocksDefreezeAll()), 0);
contextMenu->addAction( tr("&Freeze all Blocks"), actionHandler,
SLOT(slotBlocksFreezeAll()), 0);
contextMenu->addAction( tr("&Add Block"), actionHandler,
SLOT(slotBlocksAdd()), 0);
contextMenu->addAction( tr("&Remove Block"), actionHandler,
SLOT(slotBlocksRemove()), 0);
contextMenu->addAction( tr("&Rename Block"), actionHandler,
SLOT(slotBlocksAttributes()), 0);
contextMenu->addAction( tr("&Edit Block"), actionHandler,
SLOT(slotBlocksEdit()), 0);
contextMenu->addAction( tr("&Insert Block"), actionHandler,
SLOT(slotBlocksInsert()), 0);
contextMenu->addAction( tr("&Toggle Visibility"), actionHandler,
SLOT(slotBlocksToggleView()), 0);
contextMenu->addAction( tr("&Create New Block"), actionHandler,
SLOT(slotBlocksCreate()), 0);
contextMenu->exec(QCursor::pos());
delete contextMenu;
e->accept();
}示例4: addOptionalMessage
/** Add the optional message in a light yellow box to the layout
*
* @param mainLay :: layout
*/
void AlgorithmDialog::addOptionalMessage(QVBoxLayout *mainLay) {
QLabel *inputMessage = new QLabel(this);
inputMessage->setFrameStyle(QFrame::Panel | QFrame::Sunken);
QPalette pal = inputMessage->palette();
pal.setColor(inputMessage->backgroundRole(),
QColor(255, 255, 224)); // Light yellow
pal.setColor(inputMessage->foregroundRole(), Qt::black);
inputMessage->setPalette(pal);
inputMessage->setAutoFillBackground(true);
inputMessage->setWordWrap(true);
inputMessage->setAlignment(Qt::AlignJustify);
inputMessage->setMargin(3);
inputMessage->setText(getOptionalMessage());
QHBoxLayout *msgArea = new QHBoxLayout;
msgArea->addWidget(inputMessage);
mainLay->addLayout(msgArea, 0);
}示例5: setLabelStatus
void CertificateDisplayDialog::setLabelStatus(QLabel& l, bool ok)
{
QPalette palette;
palette.setColor(l.foregroundRole(), ok ? QColor("#2A993B") : QColor("#810000"));
l.setPalette(palette);
}