/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QWINDOWSXPSTYLE_P_H+
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#define QWINDOWSXPSTYLE_P_H+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists for the convenience+
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// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp.  This header+
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// file may change from version to version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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#include "qwindowsxpstyle.h"+
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#include "qwindowsstyle_p.h"+
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#include <qmap.h>+
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#include <qt_windows.h>+
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+
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// Note, these tests are duplicated in qwizard_win.cpp.+
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#ifdef Q_CC_GNU+
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#  include <w32api.h>+
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#  if (__W32API_MAJOR_VERSION >= 3 || (__W32API_MAJOR_VERSION == 2 && __W32API_MINOR_VERSION >= 5))+
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#    ifdef _WIN32_WINNT+
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#      undef _WIN32_WINNT+
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#    endif+
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#    define _WIN32_WINNT 0x0501+
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#    include <commctrl.h>+
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#  endif+
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#endif+
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+
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#include <uxtheme.h>+
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+
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#if WINVER >= 0x0600+
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#include <vssym32.h>+
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#else+
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#include <tmschema.h>+
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#endif+
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+
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#include <limits.h>+
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+
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QT_BEGIN_NAMESPACE+
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+
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// Older Platform SDKs do not have the extended DrawThemeBackgroundEx+
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// function. We add the needed parts here, and use the extended+
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// function dynamically, if available in uxtheme.dll. Else, we revert+
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// back to using the DrawThemeBackground function.+
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#ifndef DTBG_OMITBORDER+
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#  ifndef DTBG_CLIPRECT+
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#   define DTBG_CLIPRECT        0x00000001+
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#  endif+
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#  ifndef DTBG_DRAWSOLID+
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#   define DTBG_DRAWSOLID       0x00000002+
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#  endif+
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#  ifndef DTBG_OMITBORDER+
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#   define DTBG_OMITBORDER      0x00000004+
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#  endif+
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#  ifndef DTBG_OMITCONTENT+
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#   define DTBG_OMITCONTENT     0x00000008+
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#  endif+
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#  ifndef DTBG_COMPUTINGREGION+
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#   define DTBG_COMPUTINGREGION 0x00000010+
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#  endif+
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#  ifndef DTBG_MIRRORDC+
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#   define DTBG_MIRRORDC        0x00000020+
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#  endif+
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    typedef struct _DTBGOPTS+
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    {+
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        DWORD dwSize;+
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        DWORD dwFlags;+
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        RECT rcClip;+
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    } DTBGOPTS, *PDTBGOPTS;+
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#endif // _DTBGOPTS+
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+
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// Undefined for some compile environments+
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#ifndef TMT_TEXTCOLOR+
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#  define TMT_TEXTCOLOR 3803+
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#endif+
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#ifndef TMT_BORDERCOLORHINT+
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#  define TMT_BORDERCOLORHINT 3822+
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#endif+
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#ifndef TMT_BORDERSIZE+
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#  define TMT_BORDERSIZE 2403+
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#endif+
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#ifndef TMT_BORDERONLY+
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#  define TMT_BORDERONLY 2203+
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#endif+
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#ifndef TMT_TRANSPARENTCOLOR+
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#  define TMT_TRANSPARENTCOLOR 3809+
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#endif+
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#ifndef TMT_CAPTIONMARGINS+
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#  define TMT_CAPTIONMARGINS 3603+
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#endif+
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#ifndef TMT_CONTENTMARGINS+
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#  define TMT_CONTENTMARGINS 3602+
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#endif+
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#ifndef TMT_SIZINGMARGINS+
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#  define TMT_SIZINGMARGINS 3601+
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#endif+
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#ifndef TMT_GLYPHTYPE+
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#  define TMT_GLYPHTYPE 4012+
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#endif+
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#ifndef TMT_BGTYPE+
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#  define TMT_BGTYPE 4001+
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#endif+
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#ifndef TMT_TEXTSHADOWTYPE+
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#    define TMT_TEXTSHADOWTYPE 4010+
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#endif+
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#ifndef TMT_BORDERCOLOR+
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#    define TMT_BORDERCOLOR 3801+
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#endif+
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#ifndef BT_IMAGEFILE+
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#  define BT_IMAGEFILE 0+
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#endif+
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#ifndef BT_BORDERFILL+
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#  define BT_BORDERFILL 1+
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#endif+
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#ifndef BT_NONE+
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#  define BT_NONE 2+
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#endif+
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#ifndef TMT_FILLCOLOR+
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#  define TMT_FILLCOLOR 3802+
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#endif+
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#ifndef TMT_PROGRESSCHUNKSIZE+
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#  define TMT_PROGRESSCHUNKSIZE 2411+
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#endif+
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+
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// TMT_TEXTSHADOWCOLOR is wrongly defined in mingw+
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#if TMT_TEXTSHADOWCOLOR != 3818+
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#undef TMT_TEXTSHADOWCOLOR+
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#define TMT_TEXTSHADOWCOLOR 3818+
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#endif+
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#ifndef TST_NONE+
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#  define TST_NONE 0+
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#endif+
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+
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#ifndef GT_NONE+
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#  define GT_NONE 0+
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#endif+
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#ifndef GT_IMAGEGLYPH+
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#  define GT_IMAGEGLYPH 1+
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#endif+
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+
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// These defines are missing from the tmschema, but still exist as+
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// states for their parts+
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#ifndef MINBS_INACTIVE+
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#define MINBS_INACTIVE 5+
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#endif+
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#ifndef MAXBS_INACTIVE+
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#define MAXBS_INACTIVE 5+
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#endif+
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#ifndef RBS_INACTIVE+
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#define RBS_INACTIVE 5+
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#endif+
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#ifndef HBS_INACTIVE+
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#define HBS_INACTIVE 5+
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#endif+
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#ifndef CBS_INACTIVE+
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#define CBS_INACTIVE 5+
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#endif+
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+
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// Uncomment define below to build debug assisting code, and output+
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// #define DEBUG_XP_STYLE+
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+
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#if !defined(QT_NO_STYLE_WINDOWSXP)+
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+
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// Declarations -----------------------------------------------------------------------------------+
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class XPThemeData+
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{+
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public:+
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    XPThemeData(const QWidget *w = 0, QPainter *p = 0, const QString &theme = QString(),+
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                int part = 0, int state = 0, const QRect &r = QRect())+
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        : widget(w), painter(p), name(theme), htheme(0), partId(part), stateId(state),+
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          mirrorHorizontally(false), mirrorVertically(false), noBorder(false),+
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          noContent(false), rotate(0), rect(r)+
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    {}+
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+
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    HRGN mask();+
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    HTHEME handle();+
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+
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    RECT toRECT(const QRect &qr);+
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    bool isValid();+
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+
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    const QWidget *widget;+
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    QPainter *painter;+
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    QString name;+
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    HTHEME htheme;+
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    int partId;+
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    int stateId;+
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+
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    uint mirrorHorizontally : 1;+
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    uint mirrorVertically : 1;+
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    uint noBorder : 1;+
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    uint noContent : 1;+
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    uint rotate;+
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    QRect rect;+
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};+
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+
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struct ThemeMapKey {+
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    QString name;+
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    int partId;+
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    int stateId;+
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    bool noBorder;+
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    bool noContent;+
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+
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    ThemeMapKey() : partId(-1), stateId(-1) {}+
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    ThemeMapKey(const XPThemeData &data)+
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        : name(data.name), partId(data.partId), stateId(data.stateId),+
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        noBorder(data.noBorder), noContent(data.noContent) {}+
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+
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};+
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+
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inline uint qHash(const ThemeMapKey &key)+
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{ return qHash(key.name) ^ key.partId ^ key.stateId; }+
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+
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inline bool operator==(const ThemeMapKey &k1, const ThemeMapKey &k2)+
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{+
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    return k1.name == k2.name+
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           && k1.partId == k2.partId+
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           && k1.stateId == k2.stateId;+
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}+
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+
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enum AlphaChannelType {+
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    UnknownAlpha = -1,          // Alpha of part & state not yet known+
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    NoAlpha,                    // Totally opaque, no need to touch alpha (RGB)+
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    MaskAlpha,                  // Alpha channel must be fixed            (ARGB)+
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    RealAlpha                   // Proper alpha values from Windows       (ARGB_Premultiplied)+
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};+
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+
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struct ThemeMapData {+
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    AlphaChannelType alphaType; // Which type of alpha on part & state+
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+
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    bool dataValid         : 1; // Only used to detect if hash value is ok+
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    bool partIsTransparent : 1;+
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    bool hasAnyData        : 1; // False = part & state has not data, NOP+
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    bool hasAlphaChannel   : 1; // True =  part & state has real Alpha+
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    bool wasAlphaSwapped   : 1; // True =  alpha channel needs to be swapped+
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    bool hadInvalidAlpha   : 1; // True =  alpha channel contained invalid alpha values+
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+
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    ThemeMapData() : dataValid(false), partIsTransparent(false), hasAnyData(false),+
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                     hasAlphaChannel(false), wasAlphaSwapped(false), hadInvalidAlpha(false) {}+
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};+
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+
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class QWindowsXPStylePrivate : public QWindowsStylePrivate+
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{+
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    Q_DECLARE_PUBLIC(QWindowsXPStyle)+
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public:+
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    QWindowsXPStylePrivate()+
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        : QWindowsStylePrivate(), hasInitColors(false), bufferDC(0), bufferBitmap(0), nullBitmap(0),+
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          bufferPixels(0), bufferW(0), bufferH(0)+
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    { init(); }+
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+
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    ~QWindowsXPStylePrivate()+
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    { cleanup(); }+
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+
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    static HWND winId(const QWidget *widget);+
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+
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    void init(bool force = false);+
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    void cleanup(bool force = false);+
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    void cleanupHandleMap();+
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    const QPixmap *tabBody(QWidget *widget);+
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+
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    HBITMAP buffer(int w = 0, int h = 0);+
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    HDC bufferHDC()+
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    { return bufferDC;}+
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+
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    static bool resolveSymbols();+
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    static bool useXP(bool update = false);+
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+
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    bool isTransparent(XPThemeData &themeData);+
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    QRegion region(XPThemeData &themeData);+
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+
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    void setTransparency(QWidget *widget, XPThemeData &themeData);+
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    void drawBackground(XPThemeData &themeData);+
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    void drawBackgroundThruNativeBuffer(XPThemeData &themeData);+
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    void drawBackgroundDirectly(XPThemeData &themeData);+
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+
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    bool hasAnyData(const QRect &rect);+
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    bool hasAlphaChannel(const QRect &rect);+
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    bool fixAlphaChannel(const QRect &rect);+
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    bool swapAlphaChannel(const QRect &rect, bool allPixels = false);+
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+
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    QRgb groupBoxTextColor;+
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    QRgb groupBoxTextColorDisabled;+
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    QRgb sliderTickColor;+
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    bool hasInitColors;+
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+
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    static QMap<QString,HTHEME> *handleMap;+
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+
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    QIcon dockFloat, dockClose;+
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+
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private:+
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#ifdef DEBUG_XP_STYLE+
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    void dumpNativeDIB(int w, int h);+
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    void showProperties(XPThemeData &themeData);+
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#endif+
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+
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    static QBasicAtomicInt ref;+
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    static bool use_xp;+
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    static QWidget *limboWidget;+
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    static QPixmap *tabbody;+
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+
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    QHash<ThemeMapKey, ThemeMapData> alphaCache;+
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    HDC bufferDC;+
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    HBITMAP bufferBitmap;+
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    HBITMAP nullBitmap;+
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    uchar *bufferPixels;+
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    int bufferW, bufferH;+
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};+
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+
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#endif // QT_NO_STYLE_WINDOWS+
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+
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QT_END_NAMESPACE+
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+
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#endif //QWINDOWSXPSTYLE_P_H+
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