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    40 ****************************************************************************/

    41 

    42 #ifndef QWIZARD_WIN_P_H

    43 #define QWIZARD_WIN_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists purely as an

    50 // implementation detail.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #ifndef QT_NO_WIZARD

    57 #ifndef QT_NO_STYLE_WINDOWSVISTA

    58 

    59 #include <qt_windows.h>

    60 #include <qobject.h>

    61 #include <qwidget.h>

    62 #include <qabstractbutton.h>

    63 #include <QtGui/private/qwidget_p.h>

    64 

    65 QT_BEGIN_NAMESPACE

    66 

    67 class QVistaBackButton : public QAbstractButton

    68 {

    69 public:

    70     QVistaBackButton(QWidget *widget);

    71 

    72     QSize sizeHint() const;

    73     inline QSize minimumSizeHint() const

    74     { return sizeHint(); }

    75 

    76     void enterEvent(QEvent *event);

    77     void leaveEvent(QEvent *event);

    78     void paintEvent(QPaintEvent *event);

    79 };

    80 

    81 class QWizard;

    82 

    83 class QVistaHelper : public QObject

    84 {

    85     Q_OBJECT

    86 public:

    87     QVistaHelper(QWizard *wizard);

    88     ~QVistaHelper();

    89     enum TitleBarChangeType { NormalTitleBar, ExtendedTitleBar };

    90     bool setDWMTitleBar(TitleBarChangeType type);

    91     void setTitleBarIconAndCaptionVisible(bool visible);

    92     void mouseEvent(QEvent *event);

    93     bool handleWinEvent(MSG *message, long *result);

    94     void resizeEvent(QResizeEvent *event);

    95     void paintEvent(QPaintEvent *event);

    96     QVistaBackButton *backButton() const { return backButton_; }

    97     void disconnectBackButton() { if (backButton_) backButton_->disconnect(); }

    98     void hideBackButton() { if (backButton_) backButton_->hide(); }

    99     void setWindowPosHack();

   100     QColor basicWindowFrameColor();

   101     enum VistaState { VistaAero, VistaBasic, Classic, Dirty };

   102     static VistaState vistaState();

   103     static int titleBarSize() { return frameSize() + captionSize(); }

   104     static int topPadding() { return 8; }

   105     static int topOffset() { return titleBarSize() + (vistaState() == VistaAero ? 13 : 3); }

   106 

   107 private:

   108     static HFONT getCaptionFont(HANDLE hTheme);

   109     bool drawTitleText(QPainter *painter, const QString &text, const QRect &rect, HDC hdc);

   110     static bool drawBlackRect(const QRect &rect, HDC hdc);

   111 

   112     static int frameSize() { return GetSystemMetrics(SM_CYSIZEFRAME); }

   113     static int captionSize() { return GetSystemMetrics(SM_CYCAPTION); }

   114 

   115     static int backButtonSize() { return 31; } // ### should be queried from back button itself

   116     static int iconSize() { return 16; } // Standard Aero

   117     static int padding() { return 7; } // Standard Aero

   118     static int leftMargin() { return backButtonSize() + padding(); }

   119     static int glowSize() { return 10; }

   120 

   121     int titleOffset();

   122     bool resolveSymbols();

   123     void drawTitleBar(QPainter *painter);

   124     void setMouseCursor(QPoint pos);

   125     void collapseTopFrameStrut();

   126     bool winEvent(MSG *message, long *result);

   127     void mouseMoveEvent(QMouseEvent *event);

   128     void mousePressEvent(QMouseEvent *event);

   129     void mouseReleaseEvent(QMouseEvent *event);

   130     bool eventFilter(QObject *obj, QEvent *event);

   131 

   132     static bool is_vista;

   133     static VistaState cachedVistaState;

   134     static bool isCompositionEnabled();

   135     static bool isThemeActive();

   136     enum Changes { resizeTop, movePosition, noChange } change;

   137     QPoint pressedPos;

   138     bool pressed;

   139     QRect rtTop;

   140     QRect rtTitle;

   141     QWizard *wizard;

   142     QVistaBackButton *backButton_;

   143 };

   144 

   145 

   146 QT_END_NAMESPACE

   147 

   148 #endif // QT_NO_STYLE_WINDOWSVISTA

   149 #endif // QT_NO_WIZARD

   150 #endif // QWIZARD_WIN_P_H