lib

tkcombobox.cpp

00001 /*
00002  * Kivio - Visual Modelling and Flowcharting
00003  * Copyright (C) 2000 theKompany.com
00004  *
00005  * This program is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU General Public License
00007  * as published by the Free Software Foundation; either version 2
00008  * of the License, or (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018  * Boston, MA 02110-1301, USA.
00019  */
00020 #include "tkcombobox.h"
00021 
00022 #include <qlistbox.h>
00023 #include <qpainter.h>
00024 #include <qstyle.h>
00025 #include <qdrawutil.h>
00026 
00027 #include <kapplication.h>
00028 
00029 TKComboBox::TKComboBox(QWidget* parent, const char* name)
00030 : QComboBox(false,parent,name)
00031 {
00032 }
00033 
00034 
00035 TKComboBox::TKComboBox( bool isEditable, QWidget* parent, const char* name )
00036 : QComboBox(isEditable,parent,name)
00037 {
00038 }
00039 
00040 TKComboBox::~TKComboBox()
00041 {
00042 }
00043 
00044 void TKComboBox::paintEvent(QPaintEvent*)
00045 {
00046   QRect r;
00047   if (editable()){
00048 #ifdef __GNUC__
00049 #warning "Left out for now, lacking a style expert (Werner)"
00050 #endif
00051     //r = QRect( style().comboButtonRect( 0, 0, width(), height() ) );
00052     r = QRect(4, 2, width()-height()-2, height()-4);
00053   } else {
00054     r = QRect(4, 2, width()-height()-2, height()-4);
00055   }
00056   int by = 2;
00057   int bx = r.x() + r.width();
00058   int bw = width() - bx - 2;
00059   int bh = height()-4;
00060 
00061   QPainter p( this );
00062   const QColorGroup& g = colorGroup();
00063 
00064   QRect fr(2,2,width()-4,height()-4);
00065 
00066   if ( hasFocus()) {
00067     p.fillRect( fr, g.brush( QColorGroup::Highlight ) );
00068   } else {
00069     p.fillRect( fr, g.brush( QColorGroup::Base ) );
00070   }
00071 
00072   QRect r1(1,1,width()-1,height()-1);
00073   qDrawShadePanel( &p, r1, g, true, 1 );
00074 
00075   static const char* arrow_down[] = {
00076   "7 7 2 1",
00077   "X c Gray0",
00078   "  c None",
00079   "XXXXXXX",
00080   "XXXXXXX",
00081   "       ",
00082   "XXXXXXX",
00083   " XXXXX ",
00084   "  XXX  ",
00085   "   X   "};
00086 
00087   QPixmap pixmap(arrow_down);
00088 
00089 
00090   style().drawControl( QStyle::CE_PushButton, &p, this, QRect( bx, by, bw, bh ), colorGroup() );
00091   style().drawItem( &p, QRect( bx, by, bw, bh), AlignCenter, colorGroup(), isEnabled(), &pixmap, QString::null );
00092 
00093   if ( hasFocus()) {
00094     style().drawPrimitive( QStyle::PE_FocusRect, &p, fr, g );
00095   }
00096 
00097   if (!editable()) {
00098     p.setClipRect(r);
00099     p.setPen( g.text() );
00100     p.setBackgroundColor( g.background() );
00101 
00102     if ( listBox()->item(currentItem()) ) {
00103       QListBoxItem * item = listBox()->item(currentItem());
00104       const QPixmap *pix = item->pixmap();
00105       QString text = item->text();
00106       int x = r.x();
00107       if ( pix ) {
00108         p.drawPixmap( x, r.y() + ( r.height() - pix->height() ) / 2 +1, *pix );
00109         x += pix->width()+3;
00110       }
00111       if (!text.isEmpty())
00112         p.drawText( x, r.y(), r.width()-x, r.height(), AlignLeft|AlignVCenter|SingleLine, text );
00113     }
00114   }
00115   p.end();
00116 }
00117 
00118 void TKComboBox::activate()
00119 {
00120   emit activated(currentItem());
00121 }
00122 
00123 #include "tkcombobox.moc"
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