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180 lines
3.8 KiB
180 lines
3.8 KiB
/***************************************************************************
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qbarmeter.cpp - description
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-------------------
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begin : Mon Dec 3 2001
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copyright : (C) 2001 by Miguel Novas
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email : michaell@teleline.es
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***************************************************************************/
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/***************************************************************************
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* *
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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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* *
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***************************************************************************/
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#include "qbarmeter.h"
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QBarMeter::QBarMeter(QWidget *parent, const char *name): QWidget(parent,name)
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{
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count = 1;
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val[0] = 0;
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valMax = 100;
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color[0] = red;
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maxColor = green;
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useValMax= true;
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dir = dirUp;
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steps = 10;
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}
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QBarMeter::~QBarMeter()
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{
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}
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void QBarMeter::setDirection(Direction newDir)
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{
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dir= newDir;
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update();
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}
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void QBarMeter::useValueMax(bool flag)
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{
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if(useValMax!=flag) {
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useValMax= flag;
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update();
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}
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}
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void QBarMeter::setValueMax(double newVal)
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{
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if(valMax!=newVal) {
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valMax= newVal;
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update();
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}
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}
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void QBarMeter::setValueMaxColor(const QColor &newColor)
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{
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maxColor= newColor;
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update();
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}
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void QBarMeter::setValue(double newVal)
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{
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if(val[0]!=newVal) {
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val[0]= newVal;
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update();
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}
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}
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void QBarMeter::setValueColor(const QColor &newColor)
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{
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color[0]= newColor;
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update();
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}
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void QBarMeter::setValue(int index, double newVal)
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{
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if(val[index]!=newVal) {
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val[index]= newVal;
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update();
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}
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}
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void QBarMeter::setValueColor(int index, const QColor &newColor)
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{
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if(color[index]!=newColor) {
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color[index]= newColor;
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update();
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}
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}
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void QBarMeter::setValueCount(int newCount)
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{
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if(count!=newCount) {
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count= newCount;
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update();
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}
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}
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void QBarMeter::setSteps(int newSteps)
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{
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steps= newSteps;
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update();
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}
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void QBarMeter::paintEvent( QPaintEvent *)
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{
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int x,y,lx,ly,sx,sy;
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switch(dir) {
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case dirUp : sx= 0;
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sy= - height() / steps;
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lx= width();
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ly= - (sy * 3) / 4;
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x = 0;
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y = height() - ly;
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break;
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case dirDown : sx= 0;
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sy= height() / steps;
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lx= width();
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ly= (sy * 3) / 4;
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x = 0;
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y = 0;
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break;
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case dirLeft : sx= - width() / steps;
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sy= 0;
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lx= - (sx * 3) / 4;
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ly= height();
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x = width() - lx;
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y = 0;
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break;
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case dirRight: sx= width() / steps;
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sy= 0;
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lx= (sx * 3) / 4;
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ly= height();
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x = 0;
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y = 0;
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break;
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default: return;
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}
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if(!useValMax) {
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maxColor= color[count-1];
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valMax= 0;
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for(int i=0; i<count; i++)
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valMax+= val[i];
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}
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int csteps= steps;
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QPainter p(this);
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for(int i= 0; i<count; i++) {
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int v= (int) ( ((double)steps * val[i]) / valMax +0.5);
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if(v==0 && csteps>0 && val[i]>0) v++;
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csteps-= v;
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while(v-->0) {
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p.fillRect(x,y,lx,ly,color[i]);
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x+= sx;
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y+= sy;
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}
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}
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if(csteps>0) {
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do {
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p.fillRect(x,y,lx,ly,maxColor);
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x+= sx;
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y+= sy;
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} while(--csteps>0);
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}
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}
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