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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWIZARD_WIN_P_H
#define QWIZARD_WIN_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef QT_NO_WIZARD
#ifndef QT_NO_STYLE_WINDOWSVISTA
#include <qt_windows.h>
#include <qobject.h>
#include <qwidget.h>
#include <qabstractbutton.h>
#include <QtGui/private/qwidget_p.h>
#include <QtGui/private/qstylehelper_p.h>
QT_BEGIN_NAMESPACE
class QVistaBackButton : public QAbstractButton
{
public:
QVistaBackButton(QWidget *widget);
QSize sizeHint() const;
inline QSize minimumSizeHint() const
{ return sizeHint(); }
void enterEvent(QEvent *event);
void leaveEvent(QEvent *event);
void paintEvent(QPaintEvent *event);
};
class QWizard;
class QVistaHelper : public QObject
{
public:
QVistaHelper(QWizard *wizard);
~QVistaHelper();
enum TitleBarChangeType { NormalTitleBar, ExtendedTitleBar };
bool setDWMTitleBar(TitleBarChangeType type);
void setTitleBarIconAndCaptionVisible(bool visible);
void mouseEvent(QEvent *event);
bool handleWinEvent(MSG *message, long *result);
void resizeEvent(QResizeEvent *event);
void paintEvent(QPaintEvent *event);
QVistaBackButton *backButton() const { return backButton_; }
void disconnectBackButton() { if (backButton_) backButton_->disconnect(); }
void hideBackButton() { if (backButton_) backButton_->hide(); }
void setWindowPosHack();
QColor basicWindowFrameColor();
enum VistaState { VistaAero, VistaBasic, Classic, Dirty };
static VistaState vistaState();
static int titleBarSize() { return frameSize() + captionSize(); }
static int topPadding() { // padding under text
return int(QStyleHelper::dpiScaled(
QSysInfo::WindowsVersion >= QSysInfo::WV_WINDOWS7 ? 4 : 6));
}
static int topOffset() {
static int aeroOffset = QSysInfo::WindowsVersion >= QSysInfo::WV_WINDOWS7 ?
QStyleHelper::dpiScaled(4) : QStyleHelper::dpiScaled(13);
return (titleBarSize() + (vistaState() == VistaAero ? aeroOffset : 3)); }
private:
static HFONT getCaptionFont(HANDLE hTheme);
bool drawTitleText(QPainter *painter, const QString &text, const QRect &rect, HDC hdc);
static bool drawBlackRect(const QRect &rect, HDC hdc);
static int frameSize() { return GetSystemMetrics(SM_CYSIZEFRAME); }
static int captionSize() { return GetSystemMetrics(SM_CYCAPTION); }
static int backButtonSize() { return int(QStyleHelper::dpiScaled(30)); }
static int iconSize() { return 16; } // Standard Aero
static int glowSize() { return 10; }
int leftMargin() { return backButton_->isVisible() ? backButtonSize() + iconSpacing : 0; }
int titleOffset();
bool resolveSymbols();
void drawTitleBar(QPainter *painter);
void setMouseCursor(QPoint pos);
void collapseTopFrameStrut();
bool winEvent(MSG *message, long *result);
void mouseMoveEvent(QMouseEvent *event);
void mousePressEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
bool eventFilter(QObject *obj, QEvent *event);
static int instanceCount;
static bool is_vista;
static VistaState cachedVistaState;
static bool isCompositionEnabled();
static bool isThemeActive();
enum Changes { resizeTop, movePosition, noChange } change;
QPoint pressedPos;
bool pressed;
QRect rtTop;
QRect rtTitle;
QWizard *wizard;
QVistaBackButton *backButton_;
int titleBarOffset; // Extra spacing above the text
int iconSpacing; // Space between button and icon
int textSpacing; // Space between icon and text
};
QT_END_NAMESPACE
#endif // QT_NO_STYLE_WINDOWSVISTA
#endif // QT_NO_WIZARD
#endif // QWIZARD_WIN_P_H
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