X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtopia%2Ftopicbar.cpp;h=d8d9f45ad5464dbb096c6a94f29e3e21a3e4285a;hp=8ad87fa0622f6d17de6228faedfeddc9b88e42d2;hb=6c6daea183c3a013a91fb8e9f250f6dece3023f8;hpb=d7052a3218b115ab68d24ea33e670ed26afd19ce;ds=sidebyside diff --git a/src/qtopia/topicbar.cpp b/src/qtopia/topicbar.cpp index 8ad87fa0..d8d9f45a 100644 --- a/src/qtopia/topicbar.cpp +++ b/src/qtopia/topicbar.cpp @@ -34,11 +34,13 @@ TopicBar::TopicBar(QWidget *parent) : QPushButton(parent) { frameWidth = 3; // so we hardcode a more reasonable framewidth than 7 setFixedHeight(QFontMetrics(topicFont).height() + 2*frameWidth); + textWidth = 0; fillText = " *** "; oneshot = true; timer = new QTimer(this); timer->setInterval(20); connect(timer, SIGNAL(timeout()), this, SLOT(updateOffset())); + connect(this, SIGNAL(clicked()), this, SLOT(startScrolling())); } TopicBar::~TopicBar() { @@ -46,30 +48,42 @@ TopicBar::~TopicBar() { } -void TopicBar::setContents(QString t, bool _oneshot) { - text = t; oneshot = _oneshot; +void TopicBar::resizeEvent(QResizeEvent *event) { + QPushButton::resizeEvent(event); + calcTextMetrics(); +} + +void TopicBar::calcTextMetrics() { int w = width() - 2*frameWidth; QRect boundingRect = QFontMetrics(topicFont).boundingRect(text); - if(boundingRect.width() <= w) { + textWidth = boundingRect.width(); + if(textWidth <= w) { offset = 0; fillTextStart = -1; secondTextStart = -1; + displayText = text; timer->stop(); } else { - fillTextStart = boundingRect.width(); + fillTextStart = textWidth; boundingRect = QFontMetrics(topicFont).boundingRect(fillText); secondTextStart = fillTextStart + boundingRect.width(); - text = QString("%1%2%1").arg(text).arg(fillText); + displayText = QString("%1%2%1").arg(text).arg(fillText); offset = 0; timer->start(); } } +// TODO catch resizeEvent for scroll settings +void TopicBar::setContents(QString t, bool _oneshot) { + text = t; oneshot = _oneshot; + calcTextMetrics(); +} + void TopicBar::paintEvent(QPaintEvent *event) { QPushButton::paintEvent(event); QPainter painter(this); painter.setFont(topicFont); painter.setClipRect(frameWidth, frameWidth, rect().width() - 2*frameWidth, rect().height() - 2*frameWidth); - painter.drawText(QPoint(-offset + frameWidth, QFontMetrics(topicFont).ascent() + frameWidth), text); + painter.drawText(QPoint(-offset + frameWidth, QFontMetrics(topicFont).ascent() + frameWidth), displayText); } @@ -81,3 +95,14 @@ void TopicBar::updateOffset() { } update(); } + +void TopicBar::startScrolling() { + if(displayText.length() > text.length()) { + oneshot = false; + timer->start(); + } +} + +void TopicBar::stopScrolling() { + oneshot = true; +}