+++ /dev/null
-/****************************************************************************
-**
-** Copyright (C) Qxt Foundation. Some rights reserved.
-**
-** This file is part of the QxtGui module of the Qt eXTension library
-**
-** This library is free software; you can redistribute it and/or modify it
-** under the terms of th Common Public License, version 1.0, as published by
-** IBM.
-**
-** This file is provided "AS IS", without WARRANTIES OR CONDITIONS OF ANY
-** KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
-** WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR
-** FITNESS FOR A PARTICULAR PURPOSE.
-**
-** You should have received a copy of the CPL along with this file.
-** See the LICENSE file and the cpl1.0.txt file included with the source
-** distribution for more information. If you did not receive a copy of the
-** license, contact the Qxt Foundation.
-**
-** <http://libqxt.sourceforge.net> <foundation@libqxt.org>
-**
-****************************************************************************/
-#include "qxtlabel.h"
-#include <QTime>
-#include <QEvent>
-#include <QPainter>
-#include <QFontMetrics>
-#include <QApplication>
-#if QT_VERSION < 0x040200
-#include <QAbstractItemDelegate>
-#endif // QT_VERSION
-
-static const int Vertical_Mask = 0x02;
-
-class QxtLabelPrivate : public QxtPrivate<QxtLabel>
-{
-public:
- QXT_DECLARE_PUBLIC(QxtLabel);
-
- void init(const QString& txt = QString());
- void updateLabel();
-
- QTime time;
- QString text;
- Qt::Alignment align;
- Qt::TextElideMode mode;
- Qxt::Rotation rot;
-};
-
-void QxtLabelPrivate::init(const QString& txt)
-{
- text = txt;
- align = Qt::AlignCenter;
- mode = Qt::ElideMiddle;
- rot = Qxt::NoRotation;
-}
-
-void QxtLabelPrivate::updateLabel()
-{
- qxt_p().updateGeometry();
- qxt_p().update();
-}
-
-/*!
- \class QxtLabel QxtLabel
- \ingroup QxtGui
- \brief A label which is able to show elided and rotated plain text.
-
- QxtLabel is a label which is able to show elided and rotated plain text.
- In addition, QxtLabel provides a signal for clicking.
-
- \image html qxtlabel.png "QxtLabel in action."
- */
-
-/*!
- \fn QxtLabel::clicked()
-
- This signal is emitted whenever the label has been clicked.
-
- \note A combination of mouse button press and release in shorter
- time than \b QApplication::doubleClickInterval is considered
- as a click.
-
- \sa QApplication::doubleClickInterval
- */
-
-/*!
- Constructs a new QxtLabel with \a parent and \a flags.
- */
-QxtLabel::QxtLabel(QWidget* parent, Qt::WindowFlags flags) : QFrame(parent, flags)
-{
- QXT_INIT_PRIVATE(QxtLabel);
- qxt_d().init();
-}
-
-/*!
- Constructs a new QxtLabel with \a text, \a parent and \a flags.
- */
-QxtLabel::QxtLabel(const QString& text, QWidget* parent, Qt::WindowFlags flags) : QFrame(parent, flags)
-{
- QXT_INIT_PRIVATE(QxtLabel);
- qxt_d().init(text);
-}
-
-/*!
- Destructs the label.
- */
-QxtLabel::~QxtLabel()
-{}
-
-/*!
- \property QxtLabel::text
- \brief This property holds the text of the label
- */
-QString QxtLabel::text() const
-{
- return qxt_d().text;
-}
-
-void QxtLabel::setText(const QString& text)
-{
- if (qxt_d().text != text)
- {
- qxt_d().text = text;
- qxt_d().updateLabel();
- emit textChanged(text);
- }
-}
-
-/*!
- \property QxtLabel::alignment
- \brief This property holds the alignment of the text
-
- The text is aligned according to this property.
- The default value is \b Qt::AlignCenter.
-
- \sa text, Qt::Alignment
- */
-Qt::Alignment QxtLabel::alignment() const
-{
- return qxt_d().align;
-}
-
-void QxtLabel::setAlignment(Qt::Alignment alignment)
-{
- if (qxt_d().align != alignment)
- {
- qxt_d().align = alignment;
- update(); // no geometry change, repaint is sufficient
- }
-}
-
-/*!
- \property QxtLabel::elideMode
- \brief This property holds the elide mode of the text
-
- The text is elided according to this property.
- The default value is \b Qt::ElideMiddle.
-
- \sa text, Qt::TextElideMode
- */
-Qt::TextElideMode QxtLabel::elideMode() const
-{
- return qxt_d().mode;
-}
-
-void QxtLabel::setElideMode(Qt::TextElideMode mode)
-{
- if (qxt_d().mode != mode)
- {
- qxt_d().mode = mode;
- qxt_d().updateLabel();
- }
-}
-
-/*!
- \property QxtLabel::rotation
- \brief This property holds the rotation of the label
-
- The label is rotated according to this property.
- The default value is \b Qxt::NoRotation.
-
- \sa Qxt::Rotation
- */
-Qxt::Rotation QxtLabel::rotation() const
-{
- return qxt_d().rot;
-}
-
-void QxtLabel::setRotation(Qxt::Rotation rotation)
-{
- if (qxt_d().rot != rotation)
- {
- Qxt::Rotation prev = qxt_d().rot;
- qxt_d().rot = rotation;
- switch (rotation)
- {
- case Qxt::NoRotation:
- case Qxt::UpsideDown:
- if (prev & Vertical_Mask)
- {
- updateGeometry();
- }
- break;
-
- case Qxt::Clockwise:
- case Qxt::CounterClockwise:
- if ((prev & Vertical_Mask) == 0)
- {
- updateGeometry();
- }
- break;
- default:
- // nothing to do
- break;
- }
- }
- update();
-}
-
-QSize QxtLabel::sizeHint() const
-{
- const QFontMetrics& fm = fontMetrics();
- QSize size(fm.width(qxt_d().text), fm.height());
- if (qxt_d().rot & Vertical_Mask)
- size.transpose();
- return size;
-}
-
-QSize QxtLabel::minimumSizeHint() const
-{
- switch (qxt_d().mode)
- {
-#if QT_VERSION >= 0x040200
- case Qt::ElideNone:
- return sizeHint();
-#endif // QT_VERSION
- default:
- {
- const QFontMetrics& fm = fontMetrics();
- QSize size(fm.width("..."), fm.height());
- if (qxt_d().rot & Vertical_Mask)
- size.transpose();
- return size;
- }
- }
-}
-
-void QxtLabel::paintEvent(QPaintEvent* event)
-{
- QFrame::paintEvent(event);
- QPainter p(this);
- p.rotate(qxt_d().rot);
- QRect r = contentsRect();
- switch (qxt_d().rot)
- {
- case Qxt::UpsideDown:
- p.translate(-r.width(), -r.height());
- break;
-
- case Qxt::Clockwise:
- p.translate(0, -r.width());
- break;
-
- case Qxt::CounterClockwise:
- p.translate(-r.height(), 0);
- break;
-
- default:
- // nothing to do
- break;
- }
-
- if (qxt_d().rot & Vertical_Mask)
- {
- QSize s = r.size();
- s.transpose();
- r = QRect(r.topLeft(), s);
- }
-
-#if QT_VERSION < 0x040200
- const QString elidedText = QAbstractItemDelegate::elidedText(fontMetrics(), r.width(), qxt_d().mode, qxt_d().text);
-#else // QT_VERSION >= 0x040200
- const QString elidedText = fontMetrics().elidedText(qxt_d().text, qxt_d().mode, r.width());
-#endif // QT_VERSION
- p.drawText(r, qxt_d().align, elidedText);
-}
-
-void QxtLabel::changeEvent(QEvent* event)
-{
- QFrame::changeEvent(event);
- switch (event->type())
- {
- case QEvent::FontChange:
- case QEvent::ApplicationFontChange:
- qxt_d().updateLabel();
- break;
- default:
- // nothing to do
- break;
- }
-}
-
-void QxtLabel::mousePressEvent(QMouseEvent* event)
-{
- QFrame::mousePressEvent(event);
- qxt_d().time.start();
-}
-
-void QxtLabel::mouseReleaseEvent(QMouseEvent* event)
-{
- QFrame::mouseReleaseEvent(event);
- if (qxt_d().time.elapsed() < qApp->doubleClickInterval())
- emit clicked();
-}
projects / quassel.git / blobdiff