+++ /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 "qxtpushbutton.h"
-#include <QAbstractTextDocumentLayout>
-#include <QStyleOptionButton>
-#include <QTextDocument>
-#include <QStylePainter>
-#include <QStyle>
-#include <QMenu>
-
-static const int Vertical_Mask = 0x02;
-
-class QxtPushButtonPrivate : public QxtPrivate<QxtPushButton>
-{
-public:
- QXT_DECLARE_PUBLIC(QxtPushButton);
- QxtPushButtonPrivate();
-
- bool isRichText() const;
- QStyleOptionButton getStyleOption() const;
-
- QString text;
- Qxt::Rotation rot;
- Qt::TextFormat format;
- mutable QTextDocument* doc;
-};
-
-QxtPushButtonPrivate::QxtPushButtonPrivate() :
- rot(Qxt::NoRotation), format(Qt::PlainText), doc(0)
-{}
-
-bool QxtPushButtonPrivate::isRichText() const
-{
-#if QT_VERSION >= 0x040200
- bool rich = (format == Qt::RichText) || (format == Qt::AutoText && Qt::mightBeRichText(qxt_p().text()));
- if (rich && !doc)
- {
- doc = new QTextDocument(const_cast<QxtPushButton*>(&qxt_p()));
- doc->setUndoRedoEnabled(false);
- }
-#else // QT_VERSION < 0x040200
- bool rich = false;
-#endif // QT_VERSION
- return rich;
-}
-
-QStyleOptionButton QxtPushButtonPrivate::getStyleOption() const
-{
- QStyleOptionButton option;
- option.initFrom(&qxt_p());
- if (rot & Vertical_Mask)
- {
- QSize size = option.rect.size();
- size.transpose();
- option.rect.setSize(size);
- }
- option.features = QStyleOptionButton::None;
- if (qxt_p().isFlat())
- option.features |= QStyleOptionButton::Flat;
- if (qxt_p().menu())
- option.features |= QStyleOptionButton::HasMenu;
- if (qxt_p().autoDefault() || qxt_p().isDefault())
- option.features |= QStyleOptionButton::AutoDefaultButton;
- if (qxt_p().isDefault())
- option.features |= QStyleOptionButton::DefaultButton;
- if (qxt_p().isDown() || (qxt_p().menu() && qxt_p().menu()->isVisible()))
- option.state |= QStyle::State_Sunken;
- if (qxt_p().isChecked())
- option.state |= QStyle::State_On;
- if (!qxt_p().isFlat() && !qxt_p().isDown())
- option.state |= QStyle::State_Raised;
- if (!isRichText())
- {
- option.text = qxt_p().text();
- option.icon = qxt_p().icon();
- option.iconSize = qxt_p().iconSize();
- }
- return option;
-}
-
-/*!
- \class QxtPushButton QxtPushButton
- \ingroup QxtGui
- \brief An extended QPushButton with rotation and rich text support.
-
- QxtPushButton is a QPushButton which can be rotated. In addition, QxtPushButton
- provides rich text support.
-
- \image html qxtpushbutton.png "QxtPushButton in action."
- */
-
-/*!
- Constructs a new QxtPushButton with \a parent.
- */
-QxtPushButton::QxtPushButton(QWidget* parent) : QPushButton(parent)
-{
- QXT_INIT_PRIVATE(QxtPushButton);
-}
-
-/*!
- Constructs a new QxtPushButton with \a text and \a parent.
- */
-QxtPushButton::QxtPushButton(const QString& text, QWidget* parent) : QPushButton(text, parent)
-{
- QXT_INIT_PRIVATE(QxtPushButton);
-}
-
-/*!
- Constructs a new QxtPushButton with \a icon, \a text and \a parent.
-
- \note An icon is not rendered when using rich text.
- */
-QxtPushButton::QxtPushButton(const QIcon& icon, const QString& text, QWidget* parent) : QPushButton(icon, text, parent)
-{
- QXT_INIT_PRIVATE(QxtPushButton);
-}
-
-/*!
- Constructs a new QxtPushButton with \a rotation, \a text and \a parent.
- */
-QxtPushButton::QxtPushButton(Qxt::Rotation rotation, const QString& text, QWidget* parent) : QPushButton(text, parent)
-{
- QXT_INIT_PRIVATE(QxtPushButton);
- setRotation(rotation);
-}
-
-/*!
- Destructs the button.
- */
-QxtPushButton::~QxtPushButton()
-{}
-
-/*!
- \property QxtPushButton::rotation
- \brief This property holds the rotation of the button
-
- The button is rotated according to this property.
- The default value is \b Qxt::NoRotation.
-
- \sa Qxt::Rotation
- */
-Qxt::Rotation QxtPushButton::rotation() const
-{
- return qxt_d().rot;
-}
-
-void QxtPushButton::setRotation(Qxt::Rotation rotation)
-{
- if (qxt_d().rot != rotation)
- {
- qxt_d().rot = rotation;
- switch (rotation)
- {
- case Qxt::NoRotation:
- case Qxt::UpsideDown:
- setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
- break;
-
- case Qxt::Clockwise:
- case Qxt::CounterClockwise:
- setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Minimum);
- break;
-
- default:
- // nothing to do
- break;
- }
- updateGeometry();
- update();
- }
-}
-
-/*!
- \property QxtPushButton::textFormat
- \brief This property holds the text format of the button
-
- Supported formats are \b Qt::PlainText, \b Qt::RichText and \b Qt::AutoText.
-
- The default format is \b Qt::PlainText.
-
- \note Rich text requires Qt 4.2 or newer.
-
- \sa Qt::TextFormat
- */
-Qt::TextFormat QxtPushButton::textFormat() const
-{
- return qxt_d().format;
-}
-
-void QxtPushButton::setTextFormat(Qt::TextFormat format)
-{
- if (qxt_d().format != format)
- {
- qxt_d().format = format;
- if (!qxt_d().isRichText())
- {
- delete qxt_d().doc;
- qxt_d().doc = 0;
- }
- qxt_d().text.clear();
- update();
- updateGeometry();
- }
-}
-
-QSize QxtPushButton::sizeHint() const
-{
- QSize size;
- if (qxt_d().isRichText())
- size = qxt_d().doc->documentLayout()->documentSize().toSize();
- else
- size = QPushButton::sizeHint();
-
- if (qxt_d().rot & Vertical_Mask)
- size.transpose();
- return size;
-}
-
-QSize QxtPushButton::minimumSizeHint() const
-{
- QSize size;
- if (qxt_d().isRichText())
- size = qxt_d().doc->documentLayout()->documentSize().toSize();
- else
- size = QPushButton::minimumSizeHint();
-
- if (qxt_d().rot & Vertical_Mask)
- size.transpose();
- return size;
-}
-
-void QxtPushButton::paintEvent(QPaintEvent* event)
-{
- Q_UNUSED(event);
-
- // the only reliable way to detect text changes
- if (text() != qxt_d().text)
- {
- qxt_d().text = text();
- if (qxt_d().isRichText())
- qxt_d().doc->setHtml(qxt_d().text);
- updateGeometry();
- }
-
- QStylePainter painter(this);
- painter.rotate(qxt_d().rot);
- switch (qxt_d().rot)
- {
- case Qxt::UpsideDown:
- painter.translate(-width(), -height());
- break;
-
- case Qxt::Clockwise:
- painter.translate(0, -width());
- break;
-
- case Qxt::CounterClockwise:
- painter.translate(-height(), 0);
- break;
-
- default:
- // nothing to do
- break;
- }
-
- const QStyleOptionButton option = qxt_d().getStyleOption();
- painter.drawControl(QStyle::CE_PushButton, option);
-
-#if QT_VERSION >= 0x040200
- if (qxt_d().isRichText())
- {
- int dx = 0;
- int dy = 0;
- if (option.state & (QStyle::State_On | QStyle::State_Sunken))
- {
- dx += style()->pixelMetric(QStyle::PM_ButtonShiftHorizontal, &option, this);
- dy += style()->pixelMetric(QStyle::PM_ButtonShiftVertical, &option, this);
- }
-
- QRect area = rect();
- const QSizeF docSize = qxt_d().doc->documentLayout()->documentSize();
- if (qxt_d().rot & Vertical_Mask)
- {
- dx += static_cast<int>((height() - docSize.width()) / 2);
- dy += static_cast<int>((width() - docSize.height()) / 2);
- painter.translate(dx, dy);
-
- QSize size = area.size();
- size.transpose();
- area.setSize(size);
- }
- else
- {
- dx += static_cast<int>((width() - docSize.width()) / 2);
- dy += static_cast<int>((height() - docSize.height()) / 2);
- painter.translate(dx, dy);
- }
- qxt_d().doc->drawContents(&painter, area);
- }
-#endif // QT_VERSION
-}
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