/****************************************************************************** $Id: qt/src/widgets/qcommonstyle.cpp   2.3.12   edited 2005-10-27 $**** Implementation of the QCommonStyle class**** Created : 981231**** Copyright (C) 1998-2000 Trolltech AS.  All rights reserved.**** This file is part of the widgets module of the Qt GUI Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** 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.**** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition** licenses may use this file in accordance with the Qt Commercial License** Agreement provided with the Software.**** 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/pricing.html or email sales@trolltech.com for**   information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** 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.************************************************************************/#include "qcommonstyle.h"#if !defined(QT_NO_STYLE_WINDOWS) || !defined(QT_NO_STYLE_MOTIF)#include "qapplication.h"#include "qpainter.h"#include "qdrawutil.h" // for now#include "qpixmap.h" // for now#include "qpalette.h" // for now#include "qwidget.h"#include "qlabel.h"#include "qimage.h"#include "qpushbutton.h"#include "qwidget.h"#include "qrangecontrol.h"#include "qtabbar.h"#include "qscrollbar.h"#include "qtoolbutton.h"#include <limits.h>#define INCLUDE_MENUITEM_DEF#include "qmenudata.h" // for now// #undef INCLUDE_MENUITEM_DEF#include "qmotifplusstyle.h" // fo rnowtypedef void (QStyle::*QDrawMenuBarItemImpl) (QPainter *, int, int, int, int, QMenuItem *,					      QColorGroup &, bool, bool);static QDrawMenuBarItemImpl draw_menu_bar_impl = 0;QDrawMenuBarItemImpl qt_set_draw_menu_bar_impl(QDrawMenuBarItemImpl impl){    QDrawMenuBarItemImpl old_impl = draw_menu_bar_impl;    draw_menu_bar_impl = impl;    return old_impl;}// NOT REVISED/*!  \class QCommonStyle qcommonstyle.h  \brief Encapsulates common Look and Feel of a GUI.  \ingroup appearance  This abstract class implements some of the widget's look and feel  that is common to all GUI styles provided and shipped as part of Qt.*//*!  Constructs a QCommonStyle that provides the style \a s.  This determines  the default behavior of the virtual functions.*/QCommonStyle::QCommonStyle(GUIStyle s) : QStyle(s){} /*!  Destructs the style.*/QCommonStyle::~QCommonStyle(){}/*! \reimp */void QCommonStyle::drawComboButton( QPainter *p, int x, int y, int w, int h,				  const QColorGroup &g, bool sunken,			      bool /* editable */,			      bool /*enabled */,			      const QBrush *fill ){    drawButton(p, x, y, w, h, g, sunken, fill);}/*! \reimp */QRect QCommonStyle::comboButtonRect( int x, int y, int w, int h){    return buttonRect(x, y, w-21, h);}/*! \reimp */QRect QCommonStyle::comboButtonFocusRect( int x, int y, int w, int h){    return buttonRect(x+2, y+2, w-4-21, h-4);}/*! \reimp*/void QCommonStyle::drawComboButtonMask( QPainter *p, int x, int y, int w, int h){    drawButtonMask(p, x, y, w, h);}/*!\reimp */void QCommonStyle::drawPushButtonLabel( QPushButton* btn, QPainter *p){#ifndef QT_NO_PUSHBUTTON    QRect r = pushButtonContentsRect( btn );    if ( btn->isDown() || btn->isOn() ){	int sx = 0;	int sy = 0;	getButtonShift(sx, sy);	r.moveBy( sx, sy );    }    int x, y, w, h;    r.rect( &x, &y, &w, &h );    if ( btn->isMenuButton() ) {	int dx = menuButtonIndicatorWidth( btn->height() ); 	drawArrow( p, DownArrow, FALSE, 	 	   x+w-dx, y+2, dx-4, h-4, 		   btn->colorGroup(), 		   btn->isEnabled() );	w -= dx;    }    if ( btn->iconSet() && !btn->iconSet()->isNull() ) {	QIconSet::Mode mode = btn->isEnabled()			      ? QIconSet::Normal : QIconSet::Disabled;	if ( mode == QIconSet::Normal && btn->hasFocus() )	    mode = QIconSet::Active;	QPixmap pixmap = btn->iconSet()->pixmap( QIconSet::Small, mode );	int pixw = pixmap.width();	int pixh = pixmap.height();	p->drawPixmap( x+2, y+h/2-pixh/2, pixmap );	x += pixw + 4;	w -= pixw + 4;    }    drawItem( p, x, y, w, h,	      AlignCenter | ShowPrefix,	      btn->colorGroup(), btn->isEnabled(),	      btn->pixmap(), btn->text(), -1, &btn->colorGroup().buttonText() );#endif}/*!\reimp */void QCommonStyle::getButtonShift( int &x, int &y){    x = 0;    y = 0;}/*!\reimp */int QCommonStyle::defaultFrameWidth() const{    return 2;}/*!\reimp */void QCommonStyle::tabbarMetrics( const QTabBar* t, int& hframe, int& vframe, int& overlap){#ifndef QT_NO_TABBAR    overlap = 3;    hframe = 24;    vframe = 0;    if ( t->shape() == QTabBar::RoundedAbove || t->shape() == QTabBar::RoundedBelow )	vframe += 10;#endif}/*!\reimp */void QCommonStyle::drawTab( QPainter* p,  const  QTabBar* tb, QTab* t , bool selected ){#ifndef QT_NO_TABBAR    if ( tb->shape() == QTabBar::TriangularAbove || tb->shape() == QTabBar::TriangularBelow ) {	// triangular, above or below	int y;	int x;	QPointArray a( 10 );	a.setPoint( 0, 0, -1 );	a.setPoint( 1, 0, 0 );	y = t->r.height()-2;	x = y/3;	a.setPoint( 2, x++, y-1 );	a.setPoint( 3, x++, y );	a.setPoint( 3, x++, y++ );	a.setPoint( 4, x, y );	int i;	int right = t->r.width() - 1;	for ( i = 0; i < 5; i++ )	    a.setPoint( 9-i, right - a.point( i ).x(), a.point( i ).y() );	if ( tb->shape() == QTabBar::TriangularAbove )	    for ( i = 0; i < 10; i++ )		a.setPoint( i, a.point(i).x(),			    t->r.height() - 1 - a.point( i ).y() );	a.translate( t->r.left(), t->r.top() );	if ( selected )	    p->setBrush( tb->colorGroup().base() );	else	    p->setBrush( tb->colorGroup().background() );	p->setPen( tb->colorGroup().foreground() );	p->drawPolygon( a );	p->setBrush( NoBrush );    }#endif}/*!\reimp */void QCommonStyle::drawTabMask( QPainter* p,  const  QTabBar* /* tb*/ , QTab* t, bool /* selected */ ){#ifndef QT_NO_TABBAR    p->drawRect( t->r );#endif}/*!\reimp */QStyle::ScrollControl QCommonStyle::scrollBarPointOver( const QScrollBar* sb, int sliderStart, const QPoint& p ){#ifndef QT_NO_SCROLLBAR    if ( !sb->rect().contains( p ) )	return NoScroll;    int sliderMin, sliderMax, sliderLength, buttonDim, pos;    scrollBarMetrics( sb, sliderMin, sliderMax, sliderLength, buttonDim );    pos = (sb->orientation() == QScrollBar::Horizontal)? p.x() : p.y();    if ( pos < sliderMin )	return SubLine;    if ( pos < sliderStart )	return SubPage;    if ( pos < sliderStart + sliderLength )	return Slider;    if ( pos < sliderMax + sliderLength )	return AddPage;    return AddLine;#else    return NoScroll;#endif}/*!\reimp */voidQCommonStyle::drawSliderMask( QPainter *p,			int x, int y, int w, int h,			Orientation, bool, bool ){    p->fillRect(x, y, w, h, color1);}