qwindowsstyle.cpp

qt-x11-opensource-src-4.1.4.tar.gz源码

    "* c #999999",
    "c c #cccccc",
    "a c #ffffff",
    "................",
    "................",
    "...*****........",
    "..*aaaaa*.......",
    ".*abcbcba******.",
    ".*acbcbcaaaaaa*d",
    ".*abcbcbcbcbcb*d",
    "*************b*d",
    "*aaaaaaaaaa**c*d",
    "*abcbcbcbcbbd**d",
    ".*abcbcbcbcbcd*d",
    ".*acbcbcbcbcbd*d",
    "..*acbcbcbcbb*dd",
    "..*************d",
    "...ddddddddddddd",
    "................"};

/* XPM */
static const char * const dir_closed_xpm[]={
    "16 16 6 1",
    ". c None",
    "b c #ffff00",
    "d c #000000",
    "* c #999999",
    "a c #cccccc",
    "c c #ffffff",
    "................",
    "................",
    "..*****.........",
    ".*ababa*........",
    "*abababa******..",
    "*cccccccccccc*d.",
    "*cbababababab*d.",
    "*cabababababa*d.",
    "*cbababababab*d.",
    "*cabababababa*d.",
    "*cbababababab*d.",
    "*cabababababa*d.",
    "*cbababababab*d.",
    "**************d.",
    ".dddddddddddddd.",
    "................"};

/* XPM */
static const char * const dir_link_xpm[]={
    "16 16 10 1",
    "h c #808080",
    "g c #a0a0a0",
    "d c #000000",
    "b c #ffff00",
    "f c #303030",
    "# c #999999",
    "a c #cccccc",
    "e c #585858",
    "c c #ffffff",
    ". c None",
    "................",
    "................",
    "..#####.........",
    ".#ababa#........",
    "#abababa######..",
    "#cccccccccccc#d.",
    "#cbababababab#d.",
    "#cabababababa#d.",
    "#cbababdddddddd.",
    "#cababadccccccd.",
    "#cbababdcececcd.",
    "#cababadcefdfcd.",
    "#cbababdccgdhcd.",
    "#######dccchccd.",
    ".dddddddddddddd.",
    "................"};
/* XPM */
static const char* const file_xpm[]={
    "16 16 5 1",
    ". c #7f7f7f",
    "# c None",
    "c c #000000",
    "b c #bfbfbf",
    "a c #ffffff",
    "################",
    "..........######",
    ".aaaaaaaab.#####",
    ".aaaaaaaaba.####",
    ".aaaaaaaacccc###",
    ".aaaaaaaaaabc###",
    ".aaaaaaaaaabc###",
    ".aaaaaaaaaabc###",
    ".aaaaaaaaaabc###",
    ".aaaaaaaaaabc###",
    ".aaaaaaaaaabc###",
    ".aaaaaaaaaabc###",
    ".aaaaaaaaaabc###",
    ".aaaaaaaaaabc###",
    ".bbbbbbbbbbbc###",
    "ccccccccccccc###"};
/* XPM */
static const char * const file_link_xpm[]={
    "16 16 10 1",
    "h c #808080",
    "g c #a0a0a0",
    "d c #c3c3c3",
    ". c #7f7f7f",
    "c c #000000",
    "b c #bfbfbf",
    "f c #303030",
    "e c #585858",
    "a c #ffffff",
    "# c None",
    "################",
    "..........######",
    ".aaaaaaaab.#####",
    ".aaaaaaaaba.####",
    ".aaaaaaaacccc###",
    ".aaaaaaaaaabc###",
    ".aaaaaaaaaabc###",
    ".aaaaaaaaaadc###",
    ".aaaaaaaaaadc###",
    ".aaaacccccccc###",
    ".aaaacaaaaaac###",
    ".aaaacaeaeaac###",
    ".aaaacaefcfac###",
    ".aaaacaagchac###",
    ".ddddcaaahaac###",
    "ccccccccccccc###"};



#endif //QT_NO_IMAGEFORMAT_XPM

#ifdef Q_WS_WIN
QPixmap convertHIconToPixmap( const HICON icon)
{
    bool foundAlpha = false;
    HDC screenDevice = qt_win_display_dc();
    HDC hdc = CreateCompatibleDC(screenDevice);

    ICONINFO iconinfo;
    GetIconInfo(icon, &iconinfo); //x and y Hotspot describes the icon center

    //create image
    HBITMAP winBitmap = CreateBitmap(iconinfo.xHotspot * 2, iconinfo.yHotspot * 2, 1, 32, 0);
    HGDIOBJ oldhdc = SelectObject(hdc, winBitmap);
    DrawIconEx( hdc, 0, 0, icon, iconinfo.xHotspot * 2, iconinfo.yHotspot * 2, 0, 0, DI_NORMAL);
    QPixmap::HBitmapFormat alphaType = QPixmap::PremultipliedAlpha;

    BITMAP bitmapData;
    GetObject(iconinfo.hbmColor, sizeof(BITMAP), &bitmapData);

    QPixmap iconpixmap = QPixmap::fromWinHBITMAP(winBitmap, alphaType);
    QImage img = iconpixmap.toImage();

    if ( bitmapData.bmBitsPixel == 32 ) { //only check 32 bit images for alpha
        for (int y = 0 ; y < iconpixmap.height() && !foundAlpha ; y++) {
            QRgb *scanLine= reinterpret_cast<QRgb *>(img.scanLine(y));
            for (int x = 0; x < img.width() ; x++) {
                if (qAlpha(scanLine[x]) != 0) {
                    foundAlpha = true;
                    break;
                }
            }
        }
    }

    if (!foundAlpha) {
        //If no alpha was found, we use the mask to set alpha values
        HBITMAP winMask = CreateBitmap(iconinfo.xHotspot * 2, iconinfo.yHotspot * 2, 1, 32, 0);
        SelectObject(hdc, winMask);
        DrawIconEx( hdc, 0, 0, icon, iconinfo.xHotspot * 2, iconinfo.yHotspot * 2, 0, 0, DI_MASK);

        QPixmap maskPixmap = QPixmap::fromWinHBITMAP(winMask, alphaType);
        QImage mask = maskPixmap.toImage();

        for (int y = 0 ; y< iconpixmap.height() ; y++){
            QRgb *scanlineImage = reinterpret_cast<QRgb *>(img.scanLine(y));
            QRgb *scanlineMask = reinterpret_cast<QRgb *>(mask.scanLine(y));
            for (int x = 0; x < img.width() ; x++){
                if (qRed(scanlineMask[x]) != 0)
                    scanlineImage[x] = 0; //mask out this pixel
                else
                    scanlineImage[x] |= 0xff000000; // set the alpha channel to 255
            }
        }
        DeleteObject(winMask);
    }

    //dispose resources created by iconinfo call
    DeleteObject(iconinfo.hbmMask);
    DeleteObject(iconinfo.hbmColor);

    SelectObject(hdc, oldhdc); //restore state
    DeleteDC(hdc);
    DeleteObject(winBitmap);
    return QPixmap::fromImage(img);
}

QPixmap loadIconFromShell32( int resourceId, int size )
{
    HMODULE hmod = LoadLibraryA("shell32.dll");
    if( hmod ) {
        HICON iconHandle = (HICON)LoadImage(hmod, MAKEINTRESOURCE(resourceId), IMAGE_ICON, size, size, 0);
        if( iconHandle ) {
            QPixmap iconpixmap = convertHIconToPixmap( iconHandle );
            DestroyIcon(iconHandle);
            return iconpixmap;
        }
    }
    return QPixmap();
}
#endif

/*!
 \reimp
 */
QPixmap QWindowsStyle::standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt,
                                      const QWidget *widget) const
{
#ifdef Q_WS_WIN
    QPixmap desktopIcon;
    switch(standardPixmap) {
    case SP_DriveCDIcon:
    case SP_DriveDVDIcon:
        {
            desktopIcon = loadIconFromShell32(12, 16);
            break;
        }
    case SP_DriveNetIcon:
        {
            desktopIcon = loadIconFromShell32(10, 16);
            break;
        }
    case SP_DriveHDIcon:
        {
            desktopIcon = loadIconFromShell32(9, 16);
            break;
        }
    case SP_DriveFDIcon:
        {
            desktopIcon = loadIconFromShell32(7, 16);
            break;
        }
    case SP_FileIcon:
        {
            desktopIcon = loadIconFromShell32(1, 16);
            break;
        }
    case SP_FileLinkIcon:
        {
            desktopIcon = loadIconFromShell32(1, 16);
            QPainter painter(&desktopIcon);
            QPixmap link = loadIconFromShell32(30, 16);
            painter.drawPixmap(0, 0, 16, 16, link);
            break;
        }
    case SP_DirLinkIcon:
        {
            desktopIcon = loadIconFromShell32(4, 16);
            QPainter painter(&desktopIcon);
            QPixmap link = loadIconFromShell32(30, 16);
            painter.drawPixmap(0, 0, 16, 16, link);
            break;
        }
    case SP_DirClosedIcon:
        {
            desktopIcon = loadIconFromShell32(4, 16);
            break;
        }
    case SP_DesktopIcon:
        {
            desktopIcon = loadIconFromShell32(35, 16);
            break;
        }
    case SP_ComputerIcon:
        {
            desktopIcon = loadIconFromShell32(16, 16);
            break;
        }
    case SP_DirOpenIcon:
        {
            desktopIcon = loadIconFromShell32(5, 16);
            break;
        }
    case SP_FileDialogNewFolder:
        {
            desktopIcon = loadIconFromShell32(319, 16);
            break;
        }
    case SP_FileDialogToParent:
        {
            desktopIcon = loadIconFromShell32(255, 16);
            break;
        }
    case SP_TrashIcon:
        {
            desktopIcon = loadIconFromShell32(191, 16);
            break;
        }
    case SP_MessageBoxInformation:
        {
            HICON iconHandle = LoadIcon(NULL, IDI_INFORMATION);
            desktopIcon = convertHIconToPixmap( iconHandle );
            DestroyIcon(iconHandle);
            break;
        }
    case SP_MessageBoxWarning:
        {
            HICON iconHandle = LoadIcon(NULL, IDI_WARNING);
            desktopIcon = convertHIconToPixmap( iconHandle );
            DestroyIcon(iconHandle);
            break;
        }
    case SP_MessageBoxCritical:
        {
            HICON iconHandle = LoadIcon(NULL, IDI_ERROR);
            desktopIcon = convertHIconToPixmap( iconHandle );
            DestroyIcon(iconHandle);
            break;
        }
    case SP_MessageBoxQuestion:
        {
            HICON iconHandle = LoadIcon(NULL, IDI_QUESTION);
            desktopIcon = convertHIconToPixmap( iconHandle );
            DestroyIcon(iconHandle);
            break;
        }
    }
    if (!desktopIcon.isNull()) {
        return desktopIcon;
    }
#endif
#ifndef QT_NO_IMAGEFORMAT_XPM
    switch (standardPixmap) {
    case SP_TitleBarMenuButton:
        return QPixmap((const char **)qt_menu_xpm);
    case SP_TitleBarShadeButton:
        return QPixmap((const char **)qt_shade_xpm);
    case SP_TitleBarUnshadeButton:
        return QPixmap((const char **)qt_unshade_xpm);
    case SP_TitleBarNormalButton:
        return QPixmap((const char **)qt_normalizeup_xpm);
    case SP_TitleBarMinButton:
        return QPixmap((const char **)qt_minimize_xpm);
    case SP_TitleBarMaxButton:
        return QPixmap((const char **)qt_maximize_xpm);
    case SP_TitleBarCloseButton:
        return QPixmap((const char **)qt_close_xpm);
    case SP_TitleBarContextHelpButton:
        return QPixmap((const char **)qt_help_xpm);
    case SP_DockWidgetCloseButton:
        return QPixmap((const char **)dock_widget_close_xpm);
    case SP_MessageBoxInformation:
        return QPixmap((const char **)information_xpm);
    case SP_MessageBoxWarning:
        return QPixmap((const char **)warning_xpm);
    case SP_MessageBoxCritical:
        return QPixmap((const char **)critical_xpm);
    case SP_MessageBoxQuestion:
        return QPixmap((const char **)question_xpm);
    default:
        break;
    }
#endif //QT_NO_IMAGEFORMAT_XPM
    return QCommonStyle::standardPixmap(standardPixmap, opt, widget);
}

/*! \reimp */
int QWindowsStyle::styleHint(StyleHint hint, const QStyleOption *opt, const QWidget *widget,
                             QStyleHintReturn *returnData) const
{
    int ret = 0;

    switch (hint) {
    case SH_EtchDisabledText:
    case SH_Slider_SnapToValue:
    case SH_PrintDialog_RightAlignButtons:
    case SH_FontDialog_SelectAssociatedText:
    case SH_Menu_AllowActiveAndDisabled:
    case SH_MenuBar_AltKeyNavigation:
    case SH_MenuBar_MouseTracking:
    case SH_Menu_MouseTracking:
    case SH_ComboBox_ListMouseTracking:
    case SH_ScrollBar_StopMouseOverSlider: