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340 lines
8.1 KiB
340 lines
8.1 KiB
/**************************************************************************
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klcdnumber.cpp - The KLCDNumber widget (displays a lcd number)
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Copyright (C) 1998 Antonio Larrosa Jimenez
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Send comments and bug fixes to larrosa@kde.org
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or to Antonio Larrosa, Rio Arnoya, 10 5B, 29006 Malaga, Spain
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***************************************************************************/
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#include "klcdnumber.h"
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#include <tqpainter.h>
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#include <stdio.h>
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#include "ktrianglebutton.h"
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#define BUTTONWIDTH 9
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KLCDNumber::KLCDNumber(int _numDigits,TQWidget *parent,const char *name)
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: TQWidget(parent,name)
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{
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initDigits();
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setUserChangeValue=false;
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numDigits=_numDigits;
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value=0;
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minValue=0;
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maxValue=1000;
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oldvalue=-1;
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// setPalette( TQPalette (TQColor(0,0,0)));
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upBtn=NULL;
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downBtn=NULL;
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setUserDefaultValue=false;
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doubleclicked=false;
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setLCDBackgroundColor(0,0,0);
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setLCDColor(100,255,100);
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}
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KLCDNumber::KLCDNumber(bool _setUserChangeValue,int _numDigits,TQWidget *parent,const char *name)
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: TQWidget(parent,name)
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{
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initDigits();
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setUserChangeValue=_setUserChangeValue;
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numDigits=_numDigits;
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value=0;
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minValue=0;
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maxValue=1000;
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oldvalue=-1;
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// setBackgroundColor(TQColor(0,0,0));
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// setPalette( TQPalette (TQColor(0,0,0)));
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upBtn=NULL;
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downBtn=NULL;
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setUserDefaultValue=false;
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doubleclicked=false;
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setLCDBackgroundColor(0,0,0);
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setLCDColor(100,255,100);
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if (setUserChangeValue)
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{
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upBtn=new KTriangleButton(KTriangleButton::Right,this,"Up");
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downBtn=new KTriangleButton(KTriangleButton::Left,this,"Down");
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upBtn->setGeometry(width()-BUTTONWIDTH,0,BUTTONWIDTH,height());
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downBtn->setGeometry(0,0,BUTTONWIDTH,height());
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connect(upBtn,TQ_SIGNAL(clicked()),this,TQ_SLOT(increaseValue()));
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connect(downBtn,TQ_SIGNAL(clicked()),this,TQ_SLOT(decreaseValue()));
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connect(upBtn,TQ_SIGNAL(clickedQuickly()),this,TQ_SLOT(increaseValueFast()));
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connect(downBtn,TQ_SIGNAL(clickedQuickly()),this,TQ_SLOT(decreaseValueFast()));
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};
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}
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void KLCDNumber::initDigits (void)
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{
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Digit[0] = digit(true,true,true,false,true,true,true);
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Digit[1] = digit(false,false,true,false,false,true,false);
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Digit[2] = digit(true,false,true,true,true,false,true);
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Digit[3] = digit(true,false,true,true,false,true,true);
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Digit[4] = digit(false,true,true,true,false,true,false);
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Digit[5] = digit(true,true,false,true,false,true,true);
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Digit[6] = digit(true,true,false,true,true,true,true);
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Digit[7] = digit(true,false,true,false,false,true,false);
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Digit[8] = digit(true,true,true,true,true,true,true);
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Digit[9] = digit(true,true,true,true,false,true,true);
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Digit[10] = digit(false,false,false,false,false,false,false);
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}
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void KLCDNumber::resizeEvent ( TQResizeEvent *)
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{
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if (setUserChangeValue)
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{
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upBtn->setGeometry(width()-BUTTONWIDTH,0,BUTTONWIDTH,height());
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downBtn->setGeometry(0,0,BUTTONWIDTH,height());
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}
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}
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void KLCDNumber::drawVerticalBar(TQPainter *qpaint,int x,int y,int w,int h,int d)
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{
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/* If d is 0 it means that it is a bar on the left and if 1 it is on the right */
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/*
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|\ /|
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| | | |
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| | = 0 1 = | |
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| | | |
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|/ \|
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*/
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y++;
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h-=2;
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if (d==0)
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{
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for (int i=x;i<x+w;i++)
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{
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qpaint->drawLine(i,y,i,y+h);
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y++;
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h-=2;
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}
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} else {
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for (int i=x+w;i>x;i--)
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{
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qpaint->drawLine(i,y,i,y+h);
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y++;
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h-=2;
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}
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}
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}
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void KLCDNumber::drawHorizBar(TQPainter *qpaint,int x,int y,int w,int h,int d)
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{
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// 0 is upper, 1 is bottom and 2 is the middle bar.
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x++;
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w-=3;
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if (d==0)
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{
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for (int i=y;i<y+h;i++)
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{
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qpaint->drawLine(x,i,x+w,i);
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x++;
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w-=2;
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}
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}
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else if (d==1)
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{
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for (int i=y+h;i>y;i--)
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{
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qpaint->drawLine(x,i,x+w,i);
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x++;
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w-=2;
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}
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}
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else
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{
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for (int i=0;i<=h/2;i++)
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{
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qpaint->drawLine(x,y-i,x+w,y-i);
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qpaint->drawLine(x,y+i,x+w,y+i);
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x++;
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w-=2;
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}
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};
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}
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void KLCDNumber::drawDigit(TQPainter *qpaint,int x,int y,int w,int h,digit d)
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{
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if (d.nw) drawVerticalBar(qpaint,x,y,w/5,h/2,0);
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if (d.ne) drawVerticalBar(qpaint,x+w*4/5,y,w/5,h/2,1);
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if (d.sw) drawVerticalBar(qpaint,x,y+h/2,w/5,h/2,0);
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if (d.se) drawVerticalBar(qpaint,x+w*4/5,y+h/2,w/5,h/2,1);
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if (d.up) drawHorizBar (qpaint,x,y,w,w/5,0);
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if (d.bt) drawHorizBar (qpaint,x,y+h-w/5,w,w/5,1);
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if (d.md) drawHorizBar (qpaint,x,y+h/2,w,w/5,2);
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}
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void KLCDNumber::setValue(double v)
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{
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oldvalue=value;
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if (v<minValue)
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value=minValue;
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else if (v>maxValue)
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value=maxValue;
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else
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value=v;
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}
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void KLCDNumber::display (double v)
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{
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setValue(v);
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repaint(FALSE);
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}
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void KLCDNumber::display (int v)
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{
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display((double)v);
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}
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void KLCDNumber::paintEvent ( TQPaintEvent * )
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{
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TQPainter qpaint(this);
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qpaint.fillRect(0,0,width(),height(),backgcolor);
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qpaint.setPen(LCDcolor);
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TQString numStr;
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numStr.setNum((int) value);
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numStr = numStr.rightJustify( numDigits, ' ', true);
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int dx,dy,dw,dh;
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if (setUserChangeValue)
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{
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dx=BUTTONWIDTH;
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dy=height()/10;
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dh=height()-dy*2;
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dw=(width()-(BUTTONWIDTH*2))/numDigits;
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} else
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{
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dx=0;
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dy=height()/10;
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dh=height()-dy*2;
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dw=width()/numDigits;
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};
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int sep=dw/10;
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for(int i=0; i < numDigits; i++)
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{
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char dig = numStr[i].latin1();
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if ((dig>='0')&&(dig<='9'))
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drawDigit(&qpaint,dx+sep,dy,dw-sep*2,dh,Digit[dig-'0']);
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else
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drawDigit(&qpaint,dx+sep,dy,dw-sep*2,dh,KLCDNumber::Digit[10]);
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dx+=dw;
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};
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}
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void KLCDNumber::setUserSetDefaultValue(bool _userSetDefaultValue)
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{
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if (setUserDefaultValue!=_userSetDefaultValue)
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{
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setUserDefaultValue=_userSetDefaultValue;
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/* if (setUserDefaultValue)
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connect();
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else
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disconnect();
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*/
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}
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}
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void KLCDNumber::setDefaultValue(double v)
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{
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defaultValue=v;
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}
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void KLCDNumber::decreaseValue()
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{
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display( value-1 );
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emit valueChanged( value );
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}
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void KLCDNumber::increaseValue()
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{
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display( value+1 );
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emit valueChanged( value );
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}
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void KLCDNumber::decreaseValueFast()
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{
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display( value-1 );
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}
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void KLCDNumber::increaseValueFast()
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{
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display( value+1 );
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}
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void KLCDNumber::mouseDoubleClickEvent (TQMouseEvent *)
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{
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doubleclicked=true;
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defaultValueClicked();
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}
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void KLCDNumber::mousePressEvent (TQMouseEvent *e)
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{
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startTimer(200);
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TQWidget::mousePressEvent(e);
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}
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void KLCDNumber::timerEvent(TQTimerEvent *)
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{
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this->killTimers();
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doubleclicked=false;
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}
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void KLCDNumber::defaultValueClicked()
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{
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if (setUserDefaultValue)
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{
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display( defaultValue );
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emit valueChanged( value );
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}
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}
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void KLCDNumber::setLCDBackgroundColor(int r,int g,int b)
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{
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backgcolor=TQColor(r,g,b);
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repaint(FALSE);
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}
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void KLCDNumber::setLCDColor(int r,int g,int b)
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{
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LCDcolor=TQColor(r,g,b);
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repaint(FALSE);
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}
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void KLCDNumber::setRange(double min, double max)
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{
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minValue=min;
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maxValue=max;
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}
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TQSize KLCDNumber::sizeHint()
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{
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return TQSize(83,28);
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}
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#include "klcdnumber.moc"
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