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+/****************************************************************************
+**
+** Implementation of CDE-like style class
+**
+** Created : 981231
+**
+** Copyright (C) 1998-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the widgets module of the TQt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file. Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#include "tqcdestyle.h"
+
+#if !defined(TQT_NO_STYLE_CDE) || defined(TQT_PLUGIN)
+
+#include "tqpainter.h"
+#include "tqdrawutil.h"
+#include "tqbutton.h"
+#include <limits.h>
+
+/*!
+ \class TQCDEStyle tqcdestyle.h
+ \brief The TQCDEStyle class provides a CDE look and feel.
+
+ \ingroup appearance
+
+ This style provides a slightly improved Motif look similar to some
+ versions of the Common Desktop Environment (CDE). The main
+ differences are thinner frames and more modern radio buttons and
+ checkboxes. Together with a dark background and a bright
+ text/foreground color, the style looks quite attractive (at least
+ for Motif fans).
+
+ Note that the functions provided by TQCDEStyle are
+ reimplementations of TQStyle functions; see TQStyle for their
+ documentation.
+*/
+
+/*!
+ Constructs a TQCDEStyle.
+
+ If \a useHighlightCols is FALSE (the default), then the style will
+ polish the application's color palette to emulate the Motif way of
+ highlighting, which is a simple inversion between the base and the
+ text color.
+*/
+TQCDEStyle::TQCDEStyle( bool useHighlightCols ) : TQMotifStyle( useHighlightCols )
+{
+}
+
+/*!
+ Destroys the style.
+*/
+TQCDEStyle::~TQCDEStyle()
+{
+}
+
+
+/*!\reimp
+*/
+int TQCDEStyle::tqpixelMetric( PixelMetric metric, const TQWidget *widget ) const
+{
+ int ret;
+
+ switch( metric ) {
+ case PM_DefaultFrameWidth:
+ ret = 1;
+ break ;
+ case PM_MenuBarFrameWidth:
+ ret = 1;
+ break;
+ case PM_ScrollBarExtent:
+ ret = 13;
+ break;
+ default:
+ ret = TQMotifStyle::tqpixelMetric( metric, widget );
+ break;
+ }
+ return ret;
+}
+
+/*! \reimp
+*/
+void TQCDEStyle::tqdrawControl( ControlElement element,
+ TQPainter *p,
+ const TQWidget *widget,
+ const TQRect &r,
+ const TQColorGroup &cg,
+ SFlags how,
+ const TQStyleOption& opt ) const
+{
+
+ switch( element ) {
+ case CE_MenuBarItem:
+ {
+ if ( how & Style_Active ) // active item
+ qDrawShadePanel( p, r, cg, TRUE, 1,
+ &cg.brush( TQColorGroup::Button ) );
+ else // other item
+ p->fillRect( r, cg.brush( TQColorGroup::Button ) );
+ TQCommonStyle::tqdrawControl( element, p, widget, r, cg, how, opt );
+ break;
+ }
+ default:
+ TQMotifStyle::tqdrawControl( element, p, widget, r, cg, how, opt );
+ break;
+ }
+
+
+}
+
+/*! \reimp
+*/
+void TQCDEStyle::tqdrawPrimitiveBase( TQ_PrimitiveElement pe,
+ TQPainter *p,
+ const TQRect &r,
+ const TQColorGroup &cg,
+ SFlags flags,
+ const TQStyleOption& opt ) const
+{
+ switch( pe ) {
+ case PE_Indicator: {
+#ifndef TQT_NO_BUTTON
+ bool down = flags & Style_Down;
+ bool on = flags & Style_On;
+ bool showUp = !( down ^ on );
+ TQBrush fill = showUp || flags & Style_NoChange ? cg.brush( TQColorGroup::Button ) : cg.brush( TQColorGroup::Mid );
+ qDrawShadePanel( p, r, cg, !showUp, tqpixelMetric( PM_DefaultFrameWidth ), &cg.brush( TQColorGroup::Button ) );
+
+ if ( !( flags & Style_Off ) ) {
+ TQPointArray a( 7 * 2 );
+ int i, xx, yy;
+ xx = r.x() + 3;
+ yy = r.y() + 5;
+ for ( i = 0; i < 3; i++ ) {
+ a.setPoint( 2 * i, xx, yy );
+ a.setPoint( 2 * i + 1, xx, yy + 2 );
+ xx++; yy++;
+ }
+ yy -= 2;
+ for ( i = 3; i < 7; i++ ) {
+ a.setPoint( 2 * i, xx, yy );
+ a.setPoint( 2 * i + 1, xx, yy + 2 );
+ xx++; yy--;
+ }
+ if ( flags & Style_NoChange )
+ p->setPen( cg.dark() );
+ else
+ p->setPen( cg.foreground() );
+ p->drawLineSegments( a );
+ }
+#endif
+ }
+ break;
+ case PE_ExclusiveIndicator:
+ {
+#define TQCOORDARRLEN(x) sizeof(x)/(sizeof(TQCOORD)*2)
+ static const TQCOORD pts1[] = { // up left lines
+ 1,9, 1,8, 0,7, 0,4, 1,3, 1,2, 2,1, 3,1, 4,0, 7,0, 8,1, 9,1 };
+ static const TQCOORD pts4[] = { // bottom right lines
+ 2,10, 3,10, 4,11, 7,11, 8,10, 9,10, 10,9, 10,8, 11,7,
+ 11,4, 10,3, 10,2 };
+ static const TQCOORD pts5[] = { // inner fill
+ 4,2, 7,2, 9,4, 9,7, 7,9, 4,9, 2,7, 2,4 };
+ bool down = flags & Style_Down;
+ bool on = flags & Style_On;
+ p->eraseRect( r );
+ TQPointArray a( TQCOORDARRLEN(pts1), pts1 );
+ a.translate( r.x(), r.y() );
+ p->setPen( ( down || on ) ? cg.dark() : cg.light() );
+ p->drawPolyline( a );
+ a.setPoints( TQCOORDARRLEN(pts4), pts4 );
+ a.translate( r.x(), r.y() );
+ p->setPen( ( down || on ) ? cg.light() : cg.dark() );
+ p->drawPolyline( a );
+ a.setPoints( TQCOORDARRLEN(pts5), pts5 );
+ a.translate( r.x(), r.y() );
+ TQColor fillColor = on ? cg.dark() : cg.background();
+ p->setPen( fillColor );
+ p->setBrush( on ? cg.brush( TQColorGroup::Dark ) :
+ cg.brush( TQColorGroup::Background ) );
+ p->drawPolygon( a );
+ break;
+ }
+
+ case PE_ExclusiveIndicatorMask:
+ {
+ static const TQCOORD pts1[] = {
+ // up left lines
+ 1,9, 1,8, 0,7, 0,4, 1,3, 1,2, 2,1, 3,1, 4,0, 7,0, 8,1, 9,1,
+ // bottom right lines
+ 10,2, 10,3, 11,4, 11,7, 10,8, 10,9, 9,10, 8,10, 7,11, 4,11, 3,10, 2,10
+ };
+ TQPointArray a(TQCOORDARRLEN(pts1), pts1);
+ a.translate(r.x(), r.y());
+ p->setPen(Qt::color1);
+ p->setBrush(Qt::color1);
+ p->drawPolygon(a);
+ break;
+ }
+ case PE_ArrowUp:
+ case PE_ArrowDown:
+ case PE_ArrowRight:
+ case PE_ArrowLeft: {
+ TQRect rect = r;
+ TQPointArray bFill; // fill polygon
+ TQPointArray bTop; // top shadow.
+ TQPointArray bBot; // bottom shadow.
+ TQPointArray bLeft; // left shadow.
+ TQWMatrix matrix; // xform matrix
+ bool vertical = pe == PE_ArrowUp || pe == PE_ArrowDown;
+ bool horizontal = !vertical;
+ int dim = rect.width() < rect.height() ? rect.width() : rect.height();
+ int colspec = 0x0000; // color specification array
+
+ if ( dim < 2 ) // too small arrow
+ return;
+
+ // adjust size and center (to fix rotation below)
+ if ( rect.width() > dim ) {
+ rect.setX( rect.x() + ( ( rect.width() - dim ) / 2 ) );
+ rect.setWidth( dim );
+ }
+ if ( rect.height() > dim ) {
+ rect.setY( rect.y() + ( ( rect.height() - dim ) / 2 ) );
+ rect.setHeight( dim );
+ }
+
+ if ( dim > 3 ) {
+ bFill.resize( dim & 1 ? 3 : 4 );
+ bTop.resize( 2 );
+ bBot.resize( 2 );
+ bLeft.resize( 2 );
+ bLeft.putPoints( 0, 2, 0, 0, 0, dim-1 );
+ bTop.putPoints( 0, 2, 1, 0, dim-1, dim/2 );
+ bBot.putPoints( 0, 2, 1, dim-1, dim-1, dim/2 );
+
+ if ( dim > 6 ) { // dim>6: must fill interior
+ bFill.putPoints( 0, 2, 1, dim-1, 1, 1 );
+ if ( dim & 1 ) // if size is an odd number
+ bFill.setPoint( 2, dim - 2, dim / 2 );
+ else
+ bFill.putPoints( 2, 2, dim-2, dim/2-1, dim-2, dim/2 );
+ }
+ } else {
+ if ( dim == 3 ) { // 3x3 arrow pattern
+ bLeft.setPoints( 4, 0,0, 0,2, 1,1, 1,1 );
+ bTop .setPoints( 2, 1,0, 1,0 );
+ bBot .setPoints( 2, 1,2, 2,1 );
+ } else { // 2x2 arrow pattern
+ bLeft.setPoints( 2, 0,0, 0,1 );
+ bTop .setPoints( 2, 1,0, 1,0 );
+ bBot .setPoints( 2, 1,1, 1,1 );
+ }
+ }
+
+ if ( pe == PE_ArrowUp || pe == PE_ArrowLeft ) {
+ matrix.translate( rect.x(), rect.y() );
+ if ( vertical ) {
+ matrix.translate( 0, rect.height() - 1 );
+ matrix.rotate( -90 );
+ } else {
+ matrix.translate( rect.width() - 1, rect.height() - 1 );
+ matrix.rotate( 180 );
+ }
+ if ( flags & Style_Down )
+ colspec = horizontal ? 0x2334 : 0x2343;
+ else
+ colspec = horizontal ? 0x1443 : 0x1434;
+ } else if ( pe == PE_ArrowDown || pe == PE_ArrowRight ) {
+ matrix.translate( rect.x(), rect.y() );
+ if ( vertical ) {
+ matrix.translate( rect.width()-1, 0 );
+ matrix.rotate( 90 );
+ }
+ if ( flags & Style_Down )
+ colspec = horizontal ? 0x2443 : 0x2434;
+ else
+ colspec = horizontal ? 0x1334 : 0x1343;
+ }
+
+ TQColor *cols[5];
+ if ( flags & Style_Enabled ) {
+ cols[0] = 0;
+ cols[1] = (TQColor *)&cg.button();
+ cols[2] = (TQColor *)&cg.mid();
+ cols[3] = (TQColor *)&cg.light();
+ cols[4] = (TQColor *)&cg.dark();
+ } else {
+ cols[0] = 0;
+ cols[1] = (TQColor *)&cg.button();
+ cols[2] = (TQColor *)&cg.button();
+ cols[3] = (TQColor *)&cg.button();
+ cols[4] = (TQColor *)&cg.button();
+ }
+
+#define CMID *cols[ (colspec>>12) & 0xf ]
+#define CLEFT *cols[ (colspec>>8) & 0xf ]
+#define CTOP *cols[ (colspec>>4) & 0xf ]
+#define CBOT *cols[ colspec & 0xf ]
+
+ TQPen savePen = p->pen(); // save current pen
+ TQBrush saveBrush = p->brush(); // save current brush
+ TQWMatrix wxm = p->tqworldMatrix();
+ TQPen pen( Qt::NoPen );
+ TQBrush brush = cg.brush( flags & Style_Enabled ? TQColorGroup::Button :
+ TQColorGroup::Mid );
+
+ p->setPen( pen );
+ p->setBrush( brush );
+ p->setWorldMatrix( matrix, TRUE ); // set transformation matrix
+ p->drawPolygon( bFill ); // fill arrow
+ p->setBrush( Qt::NoBrush ); // don't fill
+
+ p->setPen( CLEFT );
+ p->drawLineSegments( bLeft );
+ p->setPen( CBOT );
+ p->drawLineSegments( bBot );
+ p->setPen( CTOP );
+ p->drawLineSegments( bTop );
+
+ p->setWorldMatrix( wxm );
+ p->setBrush( saveBrush ); // restore brush
+ p->setPen( savePen ); // restore pen
+
+#undef CMID
+#undef CLEFT
+#undef CTOP
+#undef CBOT
+
+ }
+ break;
+ default:
+ TQMotifStyle::tqdrawPrimitive( pe, p, r, cg, flags, opt );
+ }
+}
+
+#endif
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