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463 lines
11 KiB
463 lines
11 KiB
/****************************************************************************
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**
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** Implementation of QDialogButtons class
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**
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** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the widgets module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "qdialogbuttons_p.h"
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#ifndef QT_NO_DIALOGBUTTONS
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#include <qapplication.h>
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#include <qpushbutton.h>
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#include <qguardedptr.h>
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#include <qmap.h>
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#include <qvariant.h>
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#ifndef QT_NO_DIALOG
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#include <qdialog.h>
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#endif // QT_NO_DIALOG
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#include <qlayout.h>
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#include <qstyle.h>
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#include <qmap.h>
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struct QDialogButtonsPrivate
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{
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QMap<int, QString> text;
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QMap<QDialogButtons::Button, QWidget *> buttons;
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QGuardedPtr<QWidget> custom;
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Q_UINT32 enabled, visible;
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QDialogButtons::Button def;
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Qt::Orientation orient;
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bool questionMode;
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};
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#ifndef QT_NO_DIALOG
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QDialogButtons::QDialogButtons(QDialog *parent, bool autoConnect, Q_UINT32 buttons,
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Orientation orient, const char *name ) : QWidget(parent, name)
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{
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init(buttons, orient);
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if(parent && autoConnect) {
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QObject::connect(this, SIGNAL(acceptClicked()), parent, SLOT(accept()));
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QObject::connect(this, SIGNAL(rejectClicked()), parent, SLOT(reject()));
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}
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}
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#endif // QT_NO_DIALOG
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QDialogButtons::QDialogButtons(QWidget *parent, Q_UINT32 buttons,
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Orientation orient, const char *name ) : QWidget(parent, name)
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{
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init(buttons, orient);
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}
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void
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QDialogButtons::init(Q_UINT32 buttons, Orientation orient)
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{
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if(buttons == All) {
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qWarning("QDialogButtons: cannot specify All by itself!");
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buttons = None;
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}
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d = new QDialogButtonsPrivate;
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d->questionMode = FALSE;
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d->orient = orient;
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d->def = (Button)style().styleHint(QStyle::SH_DialogButtons_DefaultButton, this);
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d->enabled = d->visible = buttons;
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}
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QDialogButtons::~QDialogButtons()
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{
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delete (QWidget *)d->custom;
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delete d;
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}
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void
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QDialogButtons::setQuestionMode(bool b)
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{
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d->questionMode = b;
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}
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bool
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QDialogButtons::questionMode() const
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{
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return d->questionMode;
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}
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void
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QDialogButtons::setButtonEnabled(Button button, bool enabled)
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{
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if(enabled)
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d->enabled |= button;
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else
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d->enabled ^= button;
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if(d->buttons.contains(button))
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d->buttons[button]->setEnabled(enabled);
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}
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bool
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QDialogButtons::isButtonEnabled(Button button) const
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{
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return ((int)(d->enabled & button)) == button;
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}
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void
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QDialogButtons::setButtonVisible(Button button, bool visible)
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{
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if(visible) {
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if(d->buttons.contains(button))
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d->buttons[button]->show();
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d->visible |= button;
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} else {
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if(d->buttons.contains(button))
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d->buttons[button]->hide();
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d->visible ^= button;
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}
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layoutButtons();
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}
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bool
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QDialogButtons::isButtonVisible(Button button) const
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{
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return ((int)(d->visible & button)) == button;
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}
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Q_UINT32
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QDialogButtons::visibleButtons() const
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{
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return d->visible;
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}
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void
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QDialogButtons::addWidget(QWidget *w)
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{
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QBoxLayout *lay = NULL;
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if(!d->custom) {
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d->custom = new QWidget(this, "dialog_custom_area");
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if(orientation() == Horizontal)
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lay = new QHBoxLayout(d->custom);
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else
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lay = new QVBoxLayout(d->custom);
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layoutButtons();
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} else {
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lay = (QBoxLayout*)d->custom->layout();
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}
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if(w->parent() != d->custom)
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w->reparent(d->custom, 0, QPoint(0, 0), TRUE);
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lay->addWidget(w);
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}
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void
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QDialogButtons::setDefaultButton(Button button)
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{
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if(!((int)(d->visible & button) == button)) {
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qWarning("QDialogButtons: Button '%d' is not visible (so cannot be default)", button);
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return;
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}
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if(d->def != button) {
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#ifndef QT_NO_PROPERTIES
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if(d->buttons.contains(d->def))
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d->buttons[d->def]->setProperty("default", QVariant(false));
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#endif
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d->def = button;
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#ifndef QT_NO_PROPERTIES
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if(d->buttons.contains(d->def))
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d->buttons[d->def]->setProperty("default", QVariant(false));
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#endif
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}
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}
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QDialogButtons::Button
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QDialogButtons::defaultButton() const
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{
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return d->def;
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}
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void
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QDialogButtons::setButtonText(Button button, const QString &str)
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{
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d->text[button] = str;
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#ifndef QT_NO_PROPERTIES
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if(d->buttons.contains(button))
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d->buttons[button]->setProperty("text", QVariant(str));
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#endif
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layoutButtons();
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}
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QString
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QDialogButtons::buttonText(Button b) const
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{
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if(d->text.contains(b))
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return d->text[b];
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return QString(); //null if it is default..
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}
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void
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QDialogButtons::setOrientation(Orientation orient)
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{
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if(d->orient != orient) {
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d->orient = orient;
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if(d->custom && d->custom->layout())
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((QBoxLayout*)d->custom->layout())->setDirection(orient == Horizontal ? QBoxLayout::LeftToRight :
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QBoxLayout::TopToBottom);
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layoutButtons();
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}
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}
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Qt::Orientation
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QDialogButtons::orientation() const
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{
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return d->orient;
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}
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QWidget *
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QDialogButtons::createButton(Button b)
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{
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QPushButton *ret = new QPushButton(this, "qdialog_button");
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QObject::connect(ret, SIGNAL(clicked()), this, SLOT(handleClicked()));
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if(d->text.contains(b)) {
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ret->setText(d->text[b]);
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} else {
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switch(b) {
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case All: {
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QString txt = buttonText(defaultButton());
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if(txt.isNull()) {
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if(defaultButton() == Accept) {
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if(questionMode())
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txt = tr("Yes to All");
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else
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txt = tr("OK to All");
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} else {
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if(questionMode())
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txt = tr("No to All");
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else
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txt = tr("Cancel All");
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}
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} else {
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txt += tr(" to All"); //ick, I can't really do this!!
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}
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ret->setText(txt);
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break; }
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case Accept:
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if(questionMode())
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ret->setText(tr("Yes"));
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else
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ret->setText(tr("OK"));
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break;
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case Reject:
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if(questionMode())
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ret->setText(tr("No"));
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else
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ret->setText(tr("Cancel"));
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break;
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case Apply:
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ret->setText(tr("Apply"));
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break;
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case Ignore:
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ret->setText(tr("Ignore"));
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break;
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case Retry:
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ret->setText(tr("Retry"));
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break;
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case Abort:
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ret->setText(tr("Abort"));
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break;
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case Help:
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ret->setText(tr("Help"));
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break;
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default:
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break;
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}
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}
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return ret;
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}
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void
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QDialogButtons::handleClicked()
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{
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const QObject *s = sender();
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if(!s)
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return;
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for(QMapIterator<QDialogButtons::Button, QWidget *> it = d->buttons.begin(); it != d->buttons.end(); ++it) {
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if(it.data() == s) {
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emit clicked((QDialogButtons::Button)it.key());
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switch(it.key()) {
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case Retry:
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emit retryClicked();
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break;
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case Ignore:
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emit ignoreClicked();
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break;
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case Abort:
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emit abortClicked();
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break;
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case All:
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emit allClicked();
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break;
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case Accept:
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emit acceptClicked();
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break;
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case Reject:
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emit rejectClicked();
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break;
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case Apply:
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emit applyClicked();
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break;
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case Help:
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emit helpClicked();
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break;
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default:
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break;
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}
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return;
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}
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}
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}
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void
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QDialogButtons::resizeEvent(QResizeEvent *)
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{
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layoutButtons();
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}
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void
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QDialogButtons::showEvent(QShowEvent *)
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{
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layoutButtons();
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}
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void
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QDialogButtons::styleChanged(QStyle &old)
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{
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layoutButtons();
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QWidget::styleChange(old);
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}
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void
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QDialogButtons::layoutButtons()
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{
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if(!isVisible()) //nah..
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return;
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QStyle::SubRect rects[] = {
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QStyle::SR_DialogButtonAccept, QStyle::SR_DialogButtonReject,
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QStyle::SR_DialogButtonApply, QStyle::SR_DialogButtonHelp,
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QStyle::SR_DialogButtonCustom, QStyle::SR_DialogButtonAll,
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QStyle::SR_DialogButtonRetry, QStyle::SR_DialogButtonIgnore,
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QStyle::SR_DialogButtonAbort };
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for(unsigned int i = 0; i < (sizeof(rects) / sizeof(rects[0])); i++) {
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QWidget *w = NULL;
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if(rects[i] == QStyle::SR_DialogButtonCustom) {
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w = d->custom;
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} else {
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Button b = None;
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if(rects[i] == QStyle::SR_DialogButtonApply)
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b = Apply;
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else if(rects[i] == QStyle::SR_DialogButtonAll)
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b = All;
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else if(rects[i] == QStyle::SR_DialogButtonAccept)
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b = Accept;
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else if(rects[i] == QStyle::SR_DialogButtonReject)
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b = Reject;
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else if(rects[i] == QStyle::SR_DialogButtonHelp)
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b = Help;
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else if(rects[i] == QStyle::SR_DialogButtonRetry)
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b = Retry;
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else if(rects[i] == QStyle::SR_DialogButtonAbort)
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b = Abort;
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else if(rects[i] == QStyle::SR_DialogButtonIgnore)
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b = Ignore;
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if(b != None) {
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if(d->buttons.contains(b)) {
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w = d->buttons[b];
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if(!(d->visible & b)) {
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w->hide();
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continue;
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}
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} else if(d->visible & b) {
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w = createButton(b);
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d->buttons.insert(b, w);
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} else {
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continue;
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}
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if(w) {
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if(b == d->def) {
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w->setFocus();
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#ifndef QT_NO_PROPERTIES
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w->setProperty("default", QVariant(true));
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#endif
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}
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w->setEnabled(d->enabled & b);
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}
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}
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}
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if(w) {
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w->show();
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w->setGeometry(style().subRect(rects[i], this));
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}
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}
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}
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QSize
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QDialogButtons::sizeHint() const
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{
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constPolish();
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QSize s;
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if(d->custom)
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s = d->custom->sizeHint();
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return (style().sizeFromContents(QStyle::CT_DialogButtons, this, s.
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expandedTo(QApplication::globalStrut())));
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}
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QSize
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QDialogButtons::sizeHint(QDialogButtons::Button button) const
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{
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QWidget *w = NULL;
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if(d->visible & button) {
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if(!d->buttons.contains(button)) {
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QDialogButtons *that = (QDialogButtons*)this; //ick, constness..
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w = that->createButton(button);
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that->d->buttons.insert(button, w);
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} else {
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w = d->buttons[button];
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}
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}
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return w->sizeHint();
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}
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QSize
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QDialogButtons::minimumSizeHint() const
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{
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return sizeHint();
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}
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#endif
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