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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
//! [0]
opt.initFrom(q);
if (down)
opt.state |= QStyle::State_Sunken;
if (tristate && noChange)
opt.state |= QStyle::State_NoChange;
else
opt.state |= checked ? QStyle::State_On :
QStyle::State_Off;
if (q->testAttribute(Qt::WA_Hover) && q->underMouse()) {
if (hovering)
opt.state |= QStyle::State_MouseOver;
else
opt.state &= ~QStyle::State_MouseOver;
}
opt.text = text;
opt.icon = icon;
opt.iconSize = q->iconSize();
//! [0]
//! [1]
state = QStyle::State_None;
if (widget->isEnabled())
state |= QStyle::State_Enabled;
if (widget->hasFocus())
state |= QStyle::State_HasFocus;
if (widget->window()->testAttribute(Qt::WA_KeyboardFocusChange))
state |= QStyle::State_KeyboardFocusChange;
if (widget->underMouse())
state |= QStyle::State_MouseOver;
if (widget->window()->isActiveWindow())
state |= QStyle::State_Active;
#ifdef Q_WS_MAC
extern bool qt_mac_can_clickThrough(const QWidget *w); //qwidget_mac.cpp
if (!(state & QStyle::State_Active) && !qt_mac_can_clickThrough(widget))
state &= ~QStyle::State_Enabled;
#endif
#ifdef QT_KEYPAD_NAVIGATION
if (widget->hasEditFocus())
state |= QStyle::State_HasEditFocus;
#endif
direction = widget->layoutDirection();
rect = widget->rect();
palette = widget->palette();
fontMetrics = widget->fontMetrics();
//! [1]
//! [2]
QStylePainter p(this);
QStyleOptionButton opt = d->getStyleOption();
p.drawControl(QStyle::CE_CheckBox, opt);
//! [2]
//! [3]
QStyleOptionButton subopt = *btn;
subopt.rect = subElementRect(SE_CheckBoxIndicator, btn, widget);
drawPrimitive(PE_IndicatorCheckBox, &subopt, p, widget);
subopt.rect = subElementRect(SE_CheckBoxContents, btn, widget);
drawControl(CE_CheckBoxLabel, &subopt, p, widget);
if (btn->state & State_HasFocus) {
QStyleOptionFocusRect fropt;
fropt.QStyleOption::operator=(*btn);
fropt.rect = subElementRect(SE_CheckBoxFocusRect, btn, widget);
drawPrimitive(PE_FrameFocusRect, &fropt, p, widget);
}
//! [3]
//! [4]
const QStyleOptionButton *btn = qstyleoption_cast<const QStyleOptionButton *>(opt);
uint alignment = visualAlignment(btn->direction, Qt::AlignLeft | Qt::AlignVCenter);
if (!styleHint(SH_UnderlineShortcut, btn, widget))
alignment |= Qt::TextHideMnemonic;
QPixmap pix;
QRect textRect = btn->rect;
if (!btn->icon.isNull()) {
pix = btn->icon.pixmap(btn->iconSize, btn->state & State_Enabled ? QIcon::Normal : QIcon::Disabled);
drawItemPixmap(p, btn->rect, alignment, pix);
if (btn->direction == Qt::RightToLeft)
textRect.setRight(textRect.right() - btn->iconSize.width() - 4);
else
textRect.setLeft(textRect.left() + btn->iconSize.width() + 4);
}
if (!btn->text.isEmpty()){
drawItemText(p, textRect, alignment | Qt::TextShowMnemonic,
btn->palette, btn->state & State_Enabled, btn->text, QPalette::WindowText);
}
//! [4]
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