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/***************************************************************************
wlabel.cpp - description
-------------------
begin : Wed Jan 5 2005
copyright : (C) 2003 by Tue Haste Andersen
email : haste@diku.dk
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "widget/wlabel.h"
#include <QFont>
#include "widget/wskincolor.h"
WLabel::WLabel(QWidget* pParent)
: QLabel(pParent),
WBaseWidget(this),
m_skinText(),
m_longText(),
m_elideMode(Qt::ElideNone),
m_scaleFactor(1.0),
m_highlight(0) {
}
void WLabel::setup(const QDomNode& node, const SkinContext& context) {
m_scaleFactor = context.getScaleFactor();
// Colors
QPalette pal = palette(); // we have to copy out the palette to edit it since it's const (probably for threadsafety)
QDomElement bgColor = context.selectElement(node, "BgColor");
if (!bgColor.isNull()) {
m_qBgColor.setNamedColor(context.nodeToString(bgColor));
pal.setColor(this->backgroundRole(), WSkinColor::getCorrectColor(m_qBgColor));
setAutoFillBackground(true);
}
m_qFgColor.setNamedColor(context.selectString(node, "FgColor"));
pal.setColor(this->foregroundRole(), WSkinColor::getCorrectColor(m_qFgColor));
setPalette(pal);
// Font size
QString strFontSize;
if (context.hasNodeSelectString(node, "FontSize", &strFontSize)) {
bool widthOk = false;
double dFontSize = strFontSize.toDouble(&widthOk);
if (widthOk && dFontSize >= 0) {
QFont fonti = font();
// We do not scale the font here, because in most cases
// this is overridden by the style sheet font size
fonti.setPointSizeF(dFontSize);
setFont(fonti);
}
}
// Text
if (context.hasNodeSelectString(node, "Text", &m_skinText)) {
setText(m_skinText);
}
// Alignment
QString alignment;
if (context.hasNodeSelectString(node, "Alignment", &alignment)) {
alignment = alignment.toLower();
if (alignment == "right") {
setAlignment(Qt::AlignRight | Qt::AlignVCenter);
} else if (alignment == "center") {
setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
} else if (alignment == "left") {
setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
} else {
qDebug() << "WLabel::setup(): Alignment =" << alignment <<
" unknown, use right, center or left";
}
}
// Adds an ellipsis to truncated text
QString elide;
if (context.hasNodeSelectString(node, "Elide", &elide)) {
elide = elide.toLower();
if (elide == "right") {
m_elideMode = Qt::ElideRight;
} else if (elide == "middle") {
m_elideMode = Qt::ElideMiddle;
} else if (elide == "left") {
m_elideMode = Qt::ElideLeft;
} else if (elide == "none") {
m_elideMode = Qt::ElideNone;
} else {
qDebug() << "WLabel::setup(): Elide =" << elide <<
"unknown, use right, middle, left or none.";
}
}
}
QString WLabel::text() const {
return m_longText;
}
void WLabel::setText(const QString& text) {
m_longText = text;
if (m_elideMode != Qt::ElideNone) {
QFontMetrics metrics(font());
// Measure the text for label width
// it turns out, that "-2" is required to make the text actually fit
// (Tested on Ubuntu Trusty)
// TODO(lp#:1434865): Fix elide width calculation for cases where
// this text is next to an expanding widget.
QString elidedText = metrics.elidedText(m_longText, m_elideMode, width() - 2);
QLabel::setText(elidedText);
} else {
QLabel::setText(m_longText);
}
}
bool WLabel::event(QEvent* pEvent) {
if (pEvent->type() == QEvent::ToolTip) {
updateTooltip();
} else if (pEvent->type() == QEvent::FontChange) {
const QFont& fonti = font();
// Change the new font on the fly by casting away its constancy
// using setFont() here, would results into a recursive loop
// resetting the font to the original css values.
// Only scale pixel size fonts, point size fonts are scaled by the OS
if (fonti.pixelSize() > 0) {
const_cast<QFont&>(fonti).setPixelSize(fonti.pixelSize() * m_scaleFactor);
}
// measure text with the new font
setText(m_longText);
}
return QLabel::event(pEvent);
}
void WLabel::resizeEvent(QResizeEvent* event) {
QLabel::resizeEvent(event);
setText(m_longText);
}
void WLabel::fillDebugTooltip(QStringList* debug) {
WBaseWidget::fillDebugTooltip(debug);
*debug << QString("Text: \"%1\"").arg(text());
}
int WLabel::getHighlight() const {
return m_highlight;
}
void WLabel::setHighlight(int highlight) {
m_highlight = highlight;
emit highlightChanged(m_highlight);
}
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