1 files changed, 15 insertions, 40 deletions

diff --git a/library/qpedecoration_qws.cpp b/library/qpedecoration_qws.cpp
index fb47c14..1afae88 100644
--- a/library/qpedecoration_qws.cpp
+++ b/library/qpedecoration_qws.cpp
@@ -1,731 +1,706 @@
 /**********************************************************************
 ** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
 **
 ** This file is part of the Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 #ifdef QWS
 #define QTOPIA_INTERNAL_LANGLIST
 #include <qapplication.h>
 #include <qstyle.h>
 #include <qwidget.h>
 #include <qpainter.h>
 #include <qtimer.h>
 #include <qwhatsthis.h>
 #include <qpopupmenu.h>
 #include "qcopenvelope_qws.h"
 #include "qpedecoration_qws.h"
 #include <qdialog.h>
 #include <qdrawutil.h>
 #include <qgfx_qws.h>
 #include "qpeapplication.h"
 #include "resource.h"
 #include "global.h"
 #include "qlibrary.h"
 #include "windowdecorationinterface.h"
 #include <qpe/qlibrary.h>
 #include <qfile.h>
 #include <qsignal.h>
 
 #include <stdlib.h>
 
 extern Q_EXPORT QRect qt_maxWindowRect;
 
 #define WHATSTHIS_MODE
 
 #ifndef QT_NO_QWS_QPE_WM_STYLE
 
 #ifndef QT_NO_IMAGEIO_XPM
 
 /* XPM */
 static const char * const qpe_close_xpm[] = {
 "16 16 3 1",
 "       c None",
 ".      c #FFFFFF",
 "+      c #000000",
 "                ",
 "                ",
 "      .....     ",
 "    ..+++++..   ",
 "   .+++++++++.  ",
 "   .+..+++..+.  ",
 "  .++...+...++. ",
 "  .+++.....+++. ",
 "  .++++...++++. ",
 "  .+++.....+++. ",
 "  .++...+...++. ",
 "   .+..+++..+.  ",
 "   .+++++++++.  ",
 "    ..+++++..   ",
 "      .....     ",
 "                "};
 
 /* XPM */
 static const char * const qpe_accept_xpm[] = {
 "16 16 3 1",
 "       c None",
 ".      c #FFFFFF",
 "+      c #000000",
 "                ",
 "                ",
 "      .....     ",
 "    ..+++++..   ",
 "   .+++++++++.  ",
 "   .+++++++++.  ",
 "  .+++++++..++. ",
 "  .++.+++...++. ",
 "  .+...+...+++. ",
 "  .+......++++. ",
 "  .++....+++++. ",
 "   .++..+++++.  ",
 "   .+++++++++.  ",
 "    ..+++++..   ",
 "      .....     ",
 "                "};
 
 #endif // QT_NO_IMAGEIO_XPM
 
 class DecorHackWidget : public QWidget
 {
 public:
     bool needsOk() {
         return (getWState() & WState_Reserved1 ) ||
                  (inherits("QDialog") && !inherits("QMessageBox")
                   && !inherits("QWizard") );
     }
 };
 
 static QImage scaleButton( const QImage &img, int height )
 {
     //ML: We don't want to scale if the difference is less than 4 pixels to prevent blurring
     if ( img.height() != 0 && ::abs( img.height()-height ) > 4 ) {
         return img.smoothScale( img.width()*height/img.height(), height );
     } else {
         return img;
     }
 }
 
 class TLWidget : public QWidget
 {
 public:
     QWSManager *manager()
     {
         return topData()->qwsManager;
     }
 
     QTLWExtra *topExtra()
     {
         return topData();
     }
 
     void setWState( uint s ) { QWidget::setWState( s ); }
     void clearWState( uint s ) { QWidget::clearWState( s ); }
 };
 
 
 QPEManager::QPEManager( QPEDecoration *d, QObject *parent )
     : QObject( parent ), decoration( d ), helpState(0), inWhatsThis(FALSE)
 {
     wtTimer = new QTimer( this );
     connect( wtTimer, SIGNAL(timeout()), this, SLOT(whatsThisTimeout()) );
 }
 
 
 void QPEManager::updateActive()
 {
     QWidget *newActive = qApp->activeWindow();
     if ( newActive && (QWidget*)active == newActive )
         return;
 
     if ( active && (!newActive || ((TLWidget *)newActive)->manager()) ) {
         ((TLWidget *)(QWidget*)active)->manager()->removeEventFilter( this );
     }
 
     if ( newActive && ((TLWidget *)newActive)->manager() ) {
         active = newActive;
         ((TLWidget *)(QWidget*)active)->manager()->installEventFilter( this );
     } else if ( !newActive ) {
         active = 0;
     }
 }
 
 int QPEManager::pointInQpeRegion( QWidget *w, const QPoint &p )
 {
     QRect rect(w->geometry());
 
     if ( decoration->region( w, rect,
                 (QWSDecoration::Region)QPEDecoration::Help ).contains(p) )
         return QPEDecoration::Help;
 
     for (int i = QWSDecoration::LastRegion; i >= QWSDecoration::Title; i--) {
         if (decoration->region(w, rect, (QWSDecoration::Region)i).contains(p))
             return (QWSDecoration::Region)i;
     }
 
     return QWSDecoration::None;
 }
 
 bool QPEManager::eventFilter( QObject *o, QEvent *e )
 {
     QWSManager *mgr = (QWSManager *)o;
     QWidget *w = mgr->widget();
     switch ( e->type() ) {
         case QEvent::MouseButtonPress:
             {
                 pressTime = QTime::currentTime();
                 QPoint p = ((QMouseEvent*)e)->globalPos();
                 int inRegion = pointInQpeRegion( w, p );
 #ifdef WHATSTHIS_MODE
                 if ( !w->geometry().contains(p) && QWhatsThis::inWhatsThisMode() ) {
                     QString text;
                     switch ( inRegion ) {
                         case QWSDecoration::Close:
                             if ( ((DecorHackWidget*)w)->needsOk() )
                                 text = tr("Click to close this window, discarding changes.");
                             else
                                 text = tr("Click to close this window.");
                             break;
                         case QWSDecoration::Minimize:
                             text = tr("Click to close this window and apply changes.");
                             break;
                         case QWSDecoration::Maximize:
                             if ( w->isMaximized() )
                                 text = tr("Click to make this window movable.");
                             else
                                 text = tr("Click to make this window use all available screen area.");
                             break;
                         default:
                             break;
                     }
                     QWhatsThis::leaveWhatsThisMode( text );
                     whatsThisTimeout();
                     helpState = 0;
                     return true;
                 }
 #endif
                 if ( inRegion == QPEDecoration::Help ) {
 #ifdef WHATSTHIS_MODE
                     wtTimer->start( 400, TRUE );
 #endif
                     helpState = QWSButton::Clicked|QWSButton::MouseOver;
                     drawButton( w, QPEDecoration::Help, helpState );
                     return true;
                 }
             }
             break;
         case QEvent::MouseButtonRelease:
             if ( helpState & QWSButton::Clicked ) {
                 wtTimer->stop();
                 helpState = 0;
                 drawButton( w, QPEDecoration::Help, helpState );
                 QPoint p = ((QMouseEvent*)e)->globalPos();
                 if ( pointInQpeRegion( w, p ) == QPEDecoration::Help ) {
                     decoration->help( w );
                 }
                 return true;
             }
             break;
         case QEvent::MouseMove:
             if ( helpState & QWSButton::Clicked ) {
                 int oldState = helpState;
                 QPoint p = ((QMouseEvent*)e)->globalPos();
                 if ( pointInQpeRegion( w, p ) == QPEDecoration::Help ) {
                     helpState = QWSButton::Clicked|QWSButton::MouseOver;
                 } else {
                     helpState = 0;
                 }
                 if ( helpState != oldState )
                     drawButton( w, QPEDecoration::Help, helpState );
             }
             break;
         default:
             break;
     }
     return QObject::eventFilter( o, e );
 }
 
 void QPEManager::drawButton( QWidget *w, QPEDecoration::QPERegion r, int state )
 {
     QPainter painter(w);
     QRegion rgn = ((TLWidget *)w)->topExtra()->decor_allocated_region;
     painter.internalGfx()->setWidgetDeviceRegion( rgn );
     painter.setClipRegion(decoration->region(w, w->rect(),QWSDecoration::All));
     decoration->paintButton( &painter, w, (QWSDecoration::Region)r, state );
 }
 
 void QPEManager::drawTitle( QWidget *w )
 {
     QPainter painter(w);
     QRegion rgn = ((TLWidget *)w)->topExtra()->decor_allocated_region;
     painter.internalGfx()->setWidgetDeviceRegion( rgn );
     painter.setClipRegion(decoration->region(w, w->rect(),QWSDecoration::All));
     decoration->paint( &painter, w );
     decoration->paintButton(&painter, w, QWSDecoration::Menu, 0);
     decoration->paintButton(&painter, w, QWSDecoration::Close, 0);
     decoration->paintButton(&painter, w, QWSDecoration::Minimize, 0);
     decoration->paintButton(&painter, w, QWSDecoration::Maximize, 0);
 }
 
 void QPEManager::whatsThisTimeout()
 {
     if ( !QWhatsThis::inWhatsThisMode() ) {
         if ( inWhatsThis ) {
             if ( whatsThis ) {
                 QWidget *w = whatsThis;
                 whatsThis = 0;
                 drawTitle( w );
             }
             wtTimer->stop();
         } else {
             QWhatsThis::enterWhatsThisMode();
             helpState = 0;
             updateActive();
             if ( active ) {
                 whatsThis = active;
                 drawTitle( active );
                 // check periodically to see if we've left whats this mode
                 wtTimer->start( 250 );
             }
         }
         inWhatsThis = !inWhatsThis;
     }
 }
 
 //===========================================================================
-
-static QImage *okImage( int th )
-{
-    static QImage *i = 0;
-    if ( !i || ::abs( i->height()-th ) > 4 ) {
-        delete i;
-        i = new QImage(scaleButton(Resource::loadImage("OKButton"),th));
-    }
-    return i;
-}
-
-static QImage *closeImage( int th )
-{
-    static QImage *i = 0;
-    if ( !i || ::abs( i->height()-th ) > 4 ) {
-        delete i;
-        i = new QImage(scaleButton(Resource::loadImage("CloseButton"),th));
-    }
-    return i;
-}
-
-static QImage *helpImage( int th )
-{
-    static QImage *i = 0;
-    if ( !i || ::abs( i->height()-th ) > 4 ) {
-        delete i;
-        i = new QImage(scaleButton(Resource::loadImage("HelpButton"),th));
-    }
-    return i;
-}
-
-static QImage *maximizeImage( int th )
-{
-    static QImage *i = 0;
-    if ( !i || ::abs( i->height()-th ) > 4 ) {
-        delete i;
-        i = new QImage(scaleButton(Resource::loadImage("MaximizeButton"),th));
-    }
-    return i;
-}
+#define IMAGE_METHOD( methodName, imageName )                             \
+static QImage* methodName( int th ) {                                     \
+    static QImage *i = 0;                                                 \
+     if ( !i || ::abs( i->height()-th ) > 4 ) {                           \
+         delete i;                                                        \
+         i = new QImage(scaleButton(Resource::loadImage(#imageName),th)); \
+     }                                                                    \
+                                                                          \
+     return i;                                                            \
+}
+
+IMAGE_METHOD(okImage,      OKButton       );
+IMAGE_METHOD(closeImage,   CloseButton    );
+IMAGE_METHOD(helpImage,    HelpButton     );
+IMAGE_METHOD(maximizeImage,MaximizeButton );
 
 int WindowDecorationInterface::metric( Metric m, const WindowData *wd ) const
 {
     switch ( m ) {
         case TitleHeight:
             if ( QApplication::desktop()->height() > 320 )
                 return 19;
             else
                 return 15;
         case LeftBorder:
         case RightBorder:
         case TopBorder:
         case BottomBorder:
             return 4;
         case OKWidth:
             return okImage(metric(TitleHeight,wd))->width();
         case CloseWidth:
             return closeImage(metric(TitleHeight,wd))->width();
         case HelpWidth:
             return helpImage(metric(TitleHeight,wd))->width();
         case MaximizeWidth:
             return maximizeImage(metric(TitleHeight,wd))->width();
         case CornerGrabSize:
             return 16;
     }
 
     return 0;
 }
 
 void WindowDecorationInterface::drawArea( Area a, QPainter *p, const WindowData *wd ) const
 {
     int th = metric( TitleHeight, wd );
     QRect r = wd->rect;
 
     switch ( a ) {
         case Border:
             {
                 const QColorGroup &cg = wd->palette.active();
                 qDrawWinPanel(p, r.x()-metric(LeftBorder,wd),
                         r.y()-th-metric(TopBorder,wd),
                         r.width()+metric(LeftBorder,wd)+metric(RightBorder,wd),
                         r.height()+th+metric(TopBorder,wd)+metric(BottomBorder,wd),
                         cg, FALSE, &cg.brush(QColorGroup::Background));
             }
             break;
         case Title:
             {
                 const QColorGroup &cg = wd->palette.active();
                 QBrush titleBrush;
                 QPen   titleLines;
 
                 if ( wd->flags & WindowData::Active ) {
                     titleBrush = cg.brush(QColorGroup::Highlight);
                     titleLines = titleBrush.color().dark();
                 } else {
                     titleBrush = cg.brush(QColorGroup::Background);
                     titleLines = titleBrush.color();
                 }
 
                 p->fillRect( r.x(), r.y()-th, r.width(), th, titleBrush);
 
                 p->setPen( titleLines );
                 for ( int i = r.y()-th; i < r.y(); i += 2 )
                     p->drawLine( r.left(), i, r.right(), i );
             }
             break;
         case TitleText:
             p->drawText( r.x()+3+metric(HelpWidth,wd), r.top()-th,
                 r.width()-metric(OKWidth,wd)-metric(CloseWidth,wd),
                 th, QPainter::AlignVCenter, wd->caption);
             break;
     }
 }
 
 void WindowDecorationInterface::drawButton( Button b, QPainter *p, const WindowData *wd, int x, int y, int, int, QWSButton::State state ) const
 {
     QImage *img = 0;
     switch ( b ) {
         case OK:
             img = okImage(metric(TitleHeight,wd));
             break;
         case Close:
             img = closeImage(metric(TitleHeight,wd));
             break;
         case Help:
             img = helpImage(metric(TitleHeight,wd));
             break;
         case Maximize:
             img = maximizeImage(metric(TitleHeight,wd));
             break;
     }
 
     if ( img ) {
         if ((state & QWSButton::MouseOver) && (state & QWSButton::Clicked))
             p->drawImage(x+2, y+2, *img);
         else
             p->drawImage(x+1, y+1, *img);
     }
 }
 
 QRegion WindowDecorationInterface::mask( const WindowData *wd ) const
 {
     int th = metric(TitleHeight,wd);
     QRect rect( wd->rect );
     QRect r(rect.left() - metric(LeftBorder,wd),
             rect.top() - th - metric(TopBorder,wd),
             rect.width() + metric(LeftBorder,wd) + metric(RightBorder,wd),
             rect.height() + th + metric(TopBorder,wd) + metric(BottomBorder,wd));
     return QRegion(r) - rect;
 }
 
 class DefaultWindowDecoration : public WindowDecorationInterface
 {
 public:
     DefaultWindowDecoration(){}
     QString name() const {
         return qApp->translate("WindowDecoration", "Default",
                 "List box text for default window decoration");
     }
     QPixmap icon() const {
         return QPixmap();
     }
     QRESULT queryInterface( const QUuid &uuid, QUnknownInterface **iface ) {
         *iface = 0;
         if ( uuid == IID_QUnknown )
             *iface = this;
         else if ( uuid == IID_WindowDecoration )
             *iface = this;
         else
             return QS_FALSE;
 
         if ( *iface )
             (*iface)->addRef();
         return QS_OK;
     }
     Q_REFCOUNT
 
 };
 
 static WindowDecorationInterface *wdiface = 0;
 static QLibrary* wdlib = 0;
 static QString libname;
 
 //===========================================================================
 bool QPEDecoration::helpExists() const
 {
     if ( helpFile.isNull() ) {
         QStringList helpPath = Global::helpPath();
         QString hf = QString(qApp->argv()[0]) + ".html";
         bool he = FALSE;
         for (QStringList::ConstIterator it=helpPath.begin(); it!=helpPath.end() && !he; ++it)
             he = QFile::exists( *it + "/" + hf );
         ((QPEDecoration*)this)->helpFile = hf;
         ((QPEDecoration*)this)->helpexists = he;
         return he;
     }
     return helpexists;
 }
 
 QPEDecoration::QPEDecoration()
     : QWSDefaultDecoration()
 {
     if ( wdlib ) {
         delete wdlib;
         wdlib = 0;
     } else {
         delete wdiface;
     }
     wdiface = new DefaultWindowDecoration;
 
     helpexists = FALSE; // We don't know (flagged by helpFile being null)
     qpeManager = new QPEManager( this );
     imageOk = Resource::loadImage( "OKButton" );
     imageClose = Resource::loadImage( "CloseButton" );
     imageHelp = Resource::loadImage( "HelpButton" );
 }
 
 QPEDecoration::QPEDecoration( const QString &plugin )
     : QWSDefaultDecoration()
 {
     libname = plugin;
 
     if ( wdlib ) {
         wdiface->release();
         wdlib->unload();
         delete wdlib;
         wdlib = 0;
     } else {
         delete wdiface;
     }
 
     WindowDecorationInterface *iface = 0;
     QString path = QPEApplication::qpeDir() + "plugins/decorations/";
 
 #ifdef Q_OS_MACX
     if ( plugin.find( ".dylib" ) > 0 ) {
 #else
     if ( plugin.find( ".so" ) > 0 ) {
 #endif
         // full library name supplied
         path += plugin;
     } else {
 #ifdef Q_OS_MACX
         path += "lib" + plugin.lower() + ".dylib"; // compatibility
 #else
         path += "lib" + plugin.lower() + ".so"; // compatibility
 #endif
     }
 
     QLibrary *lib = new QLibrary( path );
     if ( lib->queryInterface( IID_WindowDecoration, (QUnknownInterface**)&iface ) == QS_OK && iface ) {
         wdiface = iface;
         wdlib = lib;
     } else {
         delete lib;
         wdiface = new DefaultWindowDecoration;
     }
 
 
 
     helpexists = FALSE; // We don't know (flagged by helpFile being null)
     qpeManager = new QPEManager( this );
 }
 
 QPEDecoration::~QPEDecoration()
 {
     delete qpeManager;
 }
 
 const char **QPEDecoration::menuPixmap()
 {
     return (const char **)0;
 }
 
 const char **QPEDecoration::closePixmap()
 {
     return (const char **)qpe_close_xpm;
 }
 
 const char **QPEDecoration::minimizePixmap()
 {
     return (const char **)qpe_accept_xpm;
 }
 
 const char **QPEDecoration::maximizePixmap()
 {
     return (const char **)0;
 }
 
 const char **QPEDecoration::normalizePixmap()
 {
     return (const char **)0;
 }
 
 int QPEDecoration::getTitleHeight( const QWidget *w )
 {
     WindowDecorationInterface::WindowData wd;
     windowData( w, wd );
     return wdiface->metric(WindowDecorationInterface::TitleHeight,&wd);
 }
 
 /*
     If rect is empty, no frame is added. (a hack, really)
 */
 QRegion QPEDecoration::region(const QWidget *widget, const QRect &rect, QWSDecoration::Region type)
 {
     qpeManager->updateActive();
 
     WindowDecorationInterface::WindowData wd;
     windowData( widget, wd );
     wd.rect = rect;
 
     int titleHeight = wdiface->metric(WindowDecorationInterface::TitleHeight,&wd);
     int okWidth = wdiface->metric(WindowDecorationInterface::OKWidth,&wd);
     int closeWidth = wdiface->metric(WindowDecorationInterface::CloseWidth,&wd);
     int helpWidth = wdiface->metric(WindowDecorationInterface::HelpWidth,&wd);
     int grab = wdiface->metric(WindowDecorationInterface::CornerGrabSize,&wd);
 
     QRegion region;
 
     switch ((int)type) {
         case Menu:
             break;
         case Maximize:
             if ( !widget->inherits( "QDialog" ) && qApp->desktop()->width() > 350 ) {
                 int maximizeWidth = wdiface->metric(WindowDecorationInterface::MaximizeWidth,&wd);
                 int left = rect.right() - maximizeWidth - closeWidth;
                 if ( ((DecorHackWidget *)widget)->needsOk() )
                     left -= okWidth;
                 QRect r(left, rect.top() - titleHeight, closeWidth, titleHeight);
                 region = r;
             }
             break;
         case Minimize:
             if ( ((DecorHackWidget *)widget)->needsOk() ) {
                 QRect r(rect.right() - okWidth,
                     rect.top() - titleHeight, okWidth, titleHeight);
                 if (r.left() > rect.left() + titleHeight)
                     region = r;
             }
             break;
         case Close:
             {
                 int left = rect.right() - closeWidth;
                 if ( ((DecorHackWidget *)widget)->needsOk() )
                     left -= okWidth;
                 QRect r(left, rect.top() - titleHeight, closeWidth, titleHeight);
                 region = r;
             }
             break;
             case Title:
             if ( !widget->isMaximized() ) {
                 int width = rect.width() - helpWidth - closeWidth;
                 if ( ((DecorHackWidget *)widget)->needsOk() )
                     width -= okWidth;
                 QRect r(rect.left()+helpWidth, rect.top() - titleHeight,
                         width, titleHeight);
                 if (r.width() > 0)
                     region = r;
             }
             break;
         case Help:
             if ( helpExists() || widget->testWFlags(Qt::WStyle_ContextHelp) ) {
                 QRect r(rect.left(), rect.top() - titleHeight,
                           helpWidth, titleHeight);
                 region = r;
             }
             break;
         case Top:
             if ( !widget->isMaximized() ) {
                 QRegion m = wdiface->mask(&wd);
                 QRect br = m.boundingRect();
                 int b = wdiface->metric(WindowDecorationInterface::TopBorder,&wd);
                 region = m & QRect( br.left()+grab, br.top(),
                                     br.width()-2*grab, b );
             }
             break;
         case Left:
             if ( !widget->isMaximized() ) {
                 QRegion m = wdiface->mask(&wd);
                 QRect br = m.boundingRect();
                 int b = wdiface->metric(WindowDecorationInterface::LeftBorder,&wd);
                 region = m & QRect( br.left(), br.top()+grab,
                                     b, br.height()-2*grab );
             }
             break;
         case Right:
             if ( !widget->isMaximized() ) {
                 QRegion m = wdiface->mask(&wd);
                 QRect br = m.boundingRect();
                 int b = wdiface->metric(WindowDecorationInterface::RightBorder,&wd);
                 region = m & QRect( rect.right(), br.top()+grab,
                                     b, br.height()-2*grab );
             }
             break;
         case Bottom:
             if ( !widget->isMaximized() ) {
                 QRegion m = wdiface->mask(&wd);
                 QRect br = m.boundingRect();
                 int b = wdiface->metric(WindowDecorationInterface::BottomBorder,&wd);
                 region = m & QRect( br.left()+grab, rect.bottom(),
                                     br.width()-2*grab, b );
             }
             break;
         case TopLeft:
             if ( !widget->isMaximized() ) {
                 QRegion m = wdiface->mask(&wd);
                 QRect br = m.boundingRect();
                 int tb = wdiface->metric(WindowDecorationInterface::TopBorder,&wd);
                 int lb = wdiface->metric(WindowDecorationInterface::LeftBorder,&wd);
                 QRegion crgn( br.left(), br.top(), grab, tb );
                 crgn |= QRect( br.left(), br.top(), lb, grab );
                 region = m & crgn;
             }
             break;
         case TopRight:
             if ( !widget->isMaximized() ) {
                 QRegion m = wdiface->mask(&wd);
                 QRect br = m.boundingRect();
                 int tb = wdiface->metric(WindowDecorationInterface::TopBorder,&wd);
                 int rb = wdiface->metric(WindowDecorationInterface::RightBorder,&wd);
                 QRegion crgn( br.right()-grab, br.top(), grab, tb );
                 crgn |= QRect( br.right()-rb, br.top(), rb, grab );
                 region = m & crgn;