qdecorationdefault_qws.cpp

奇趣公司比较新的qt/emd版本

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#include <qapplication.h>
#include <qwidget.h>
#include <qpainter.h>
#include <qpaintengine.h>
#include <qdrawutil.h>
#include "qdecorationdefault_qws.h"

#if !defined(QT_NO_QWS_DECORATION_DEFAULT) || defined(QT_PLUGIN)

QPixmap *QDecorationDefault::staticHelpPixmap = 0;
QPixmap *QDecorationDefault::staticMenuPixmap = 0;
QPixmap *QDecorationDefault::staticClosePixmap = 0;
QPixmap *QDecorationDefault::staticMinimizePixmap = 0;
QPixmap *QDecorationDefault::staticMaximizePixmap = 0;
QPixmap *QDecorationDefault::staticNormalizePixmap = 0;

#ifndef QT_NO_IMAGEFORMAT_XPM

/* XPM */
static const char * const default_menu_xpm[] = {
/* width height ncolors chars_per_pixel */
"16 16 11 1",
/* colors */
"  c #000000",
". c #336600",
"X c #666600",
"o c #99CC00",
"O c #999933",
"+ c #333300",
"@ c #669900",
"# c #999900",
"$ c #336633",
"% c #666633",
"& c #99CC33",
/* pixels */
"oooooooooooooooo",
"oooooooooooooooo",
"ooooo#.++X#ooooo",
"ooooX      Xoooo",
"oooX  XO#%  X&oo",
"oo#  Ooo&@O  Ooo",
"oo. Xoo#+ @X Xoo",
"oo+ OoO+ +O# +oo",
"oo+ #O+  +## +oo",
"oo. %@ ++ +. Xoo",
"oo#  O@OO+   #oo",
"oooX  X##$   Ooo",
"ooooX        Xoo",
"oooo&OX++X#OXooo",
"oooooooooooooooo",
"oooooooooooooooo"
};

static const char * const default_help_xpm[] = {
"16 16 3 1",
"       s None  c None",
".      c #ffffff",
"X      c #707070",
"                ",
"                ",
"    ......      ",
"   ..XXXXXX     ",
"   .XX   .XX    ",
"   .XX   .XX    ",
"        ..XX    ",
"       ..XX     ",
"      ..XX      ",
"      .XX       ",
"      .XX       ",
"      ..        ",
"      .XX       ",
"      .XX       ",
"                ",
"                "};

static const char * const default_close_xpm[] = {
"16 16 3 1",
"       s None  c None",
".      c #ffffff",
"X      c #707070",
"                ",
"                ",
"  .X        .X  ",
"  .XX      .XX  ",
"   .XX    .XX   ",
"    .XX  .XX    ",
"     .XX.XX     ",
"      .XXX      ",
"      .XXX      ",
"     .XX.XX     ",
"    .XX  .XX    ",
"   .XX    .XX   ",
"  .XX      .XX  ",
"  .X        .X  ",
"                ",
"                "};

static const char * const default_maximize_xpm[] = {
"16 16 3 1",
"       s None  c None",
".      c #ffffff",
"X      c #707070",
"                ",
"                ",
"  ...........   ",
"  .XXXXXXXXXX   ",
"  .X       .X   ",
"  .X       .X   ",
"  .X       .X   ",
"  .X       .X   ",
"  .X       .X   ",
"  .X       .X   ",
"  .X       .X   ",
"  .X........X   ",
"  .XXXXXXXXXX   ",
"                ",
"                ",
"                "};

static const char * const default_minimize_xpm[] = {
"16 16 3 1",
"       s None  c None",
".      c #ffffff",
"X      c #707070",
"                ",
"                ",
"                ",
"                ",
"                ",
"                ",
"       ...      ",
"       . X      ",
"       .XX      ",
"                ",
"                ",
"                ",
"                ",
"                ",
"                ",
"                "};

static const char * const default_normalize_xpm[] = {
"16 16 3 1",
"       s None  c None",
".      c #ffffff",
"X      c #707070",
"                ",
"                ",
"     ........   ",
"     .XXXXXXXX  ",
"     .X     .X  ",
"     .X     .X  ",
"  ....X...  .X  ",
"  .XXXXXXXX .X  ",
"  .X     .XXXX  ",
"  .X     .X     ",
"  .X     .X     ",
"  .X......X     ",
"  .XXXXXXXX     ",
"                ",
"                ",
"                "};

#endif // QT_NO_IMAGEFORMAT_XPM

QDecorationDefault::QDecorationDefault()
    : QDecoration()
{
    menu_width = 20;
    help_width = 20;
    close_width = 20;
    minimize_width = 20;
    maximize_width = 20;
    normalize_width = 20;
}

QDecorationDefault::~QDecorationDefault()
{
    delete staticMenuPixmap;
    delete staticClosePixmap;
    delete staticMinimizePixmap;
    delete staticMaximizePixmap;
    delete staticNormalizePixmap;

    // This makes it safe to delete and then create a QDecorationDefault
    staticMenuPixmap = 0;
    staticClosePixmap = 0;
    staticMinimizePixmap = 0;
    staticMaximizePixmap = 0;
    staticNormalizePixmap = 0;
}

const char **QDecorationDefault::xpmForRegion(int reg)
{
#ifdef QT_NO_IMAGEFORMAT_XPM
    Q_UNUSED(reg);
#else
    switch(reg)
    {
    case Help:
        return (const char **)default_help_xpm;
    case Menu:
        return (const char **)default_menu_xpm;
    case Close:
        return (const char **)default_close_xpm;
    case Minimize:
        return (const char **)default_minimize_xpm;
    case Maximize:
        return (const char **)default_maximize_xpm;
    case Normalize:
        return (const char **)default_normalize_xpm;
    }
#endif
    return 0;
}

QPixmap QDecorationDefault::pixmapFor(const QWidget *widget, int decorationRegion,
                                      int &xoff, int &/*yoff*/)
{
#ifdef QT_NO_IMAGEFORMAT_XPM
    Q_UNUSED(widget);
    Q_UNUSED(decorationRegion);
    Q_UNUSED(xoff);
    return QPixmap();
#else
    static const char **staticHelpPixmapXPM = 0;
    static const char **staticMenuPixmapXPM = 0;
    static const char **staticClosePixmapXPM = 0;
    static const char **staticMinimizePixmapXPM = 0;
    static const char **staticMaximizePixmapXPM = 0;
    static const char **staticNormalizePixmapXPM = 0;
    const char **xpm;

    // Why don't we just use/extend the enum type...

    if (staticHelpPixmapXPM != (xpm = xpmForRegion(Help)) || !staticHelpPixmap) {
        staticHelpPixmapXPM = xpm;
        staticHelpPixmap = new QPixmap(xpm);
    }
    if (staticMenuPixmapXPM != (xpm = xpmForRegion(Menu)) || !staticMenuPixmap) {
        staticMenuPixmapXPM = xpm;
        staticMenuPixmap = new QPixmap(xpm);
    }
    if (staticClosePixmapXPM != (xpm = xpmForRegion(Close)) || !staticClosePixmap) {
        staticClosePixmapXPM = xpm;
        staticClosePixmap = new QPixmap(xpm);
    }
    if (staticMinimizePixmapXPM != (xpm = xpmForRegion(Minimize)) || !staticMinimizePixmap) {
        staticMinimizePixmapXPM = xpm;
        staticMinimizePixmap = new QPixmap(xpm);
    }
    if (staticMaximizePixmapXPM != (xpm = xpmForRegion(Maximize)) || !staticMaximizePixmap) {
        staticMaximizePixmapXPM = xpm;
        staticMaximizePixmap = new QPixmap(xpm);
    }
    if (staticNormalizePixmapXPM != (xpm = xpmForRegion(Normalize)) || !staticNormalizePixmap) {
        staticNormalizePixmapXPM = xpm;
        staticNormalizePixmap = new QPixmap(xpm);
    }

    const QPixmap *pm = 0;

    switch (decorationRegion) {
        case Help:
            pm = staticHelpPixmap;
            break;
        case Menu:
            if (!widget->windowIcon().isNull())
                return widget->windowIcon().pixmap(16,16); //##### QIcon::pixmap() needs a size !!!!!!"
            if (!pm) {
                xoff = 1;
                pm = staticMenuPixmap;
            }
            break;
        case Close:
            pm = staticClosePixmap;
            break;
        case Maximize:
            pm = staticMaximizePixmap;
            break;
        case Normalize:
            pm = staticNormalizePixmap;
            break;
        case Minimize:
            pm = staticMinimizePixmap;
            break;
        default:
            break;
    }
    return *pm;
#endif
}

int QDecorationDefault::titleBarHeight(const QWidget *)
{
    return qMax(20, QApplication::fontMetrics().lineSpacing() + BORDER_WIDTH);
}

QRegion QDecorationDefault::region(const QWidget *widget, const QRect &rect, int decorationRegion)
{
    Qt::WindowFlags flags = widget->windowFlags();
    bool hasBorder = !widget->isMaximized();
    bool hasTitle = flags & Qt::WindowTitleHint;
    bool hasSysMenu = flags & Qt::WindowSystemMenuHint;
    bool hasContextHelp = flags & Qt::WindowContextHelpButtonHint;
    bool hasMinimize = flags & Qt::WindowMinimizeButtonHint;
    bool hasMaximize = flags & Qt::WindowMaximizeButtonHint;
    int state = widget->windowState();
    bool isMinimized = state & Qt::WindowMinimized;
    bool isMaximized = state & Qt::WindowMaximized;