mirror of https://github.com/EspoTek/Labrador.git
106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
//Known issues:
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//Memory leak
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//Must be called by main window or labels can disappear.
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#include "esposlider.h"
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#define MIN(a,b) (((a)<(b))?(a):(b))
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espoSlider::espoSlider(QWidget *parent) : QSlider(parent)
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{
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windowPointer = parent;
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labelMargin = 3;
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}
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bool espoSlider::setTickLabel(QString label, int position)
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{
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if (position > maxTick()){
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//qDebug() << "Tried to label tick at position " << position << "but ticks range from 0 to " << maxTick();
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return true;
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}
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QLabel * working = addressBook.at(position);
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working->setText(label);
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working->setGeometry(QRect(0, 0, 100, 12));
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//qDebug() << "Set Geometry of QLabel" << working;
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working->show();
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return false;
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}
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void espoSlider::resizeEvent(QResizeEvent *event){
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this->debug_var++;
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//qDebug() << "move/resize event" << debug_var;
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rearrange();
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}
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void espoSlider::moveEvent(QMoveEvent *event){
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this->debug_var++;
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//qDebug() << "move/resize event" << debug_var;
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rearrange();
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}
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void espoSlider::setTickInterval(int ti){
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addressBook.resize(maxTick(ti) + 1, NULL); //Leaky, but not significantly. Old qlabels never deleted.
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for (int i=0; i<addressBook.size();i++){
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if (addressBook.at(i)==NULL)
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addressBook.at(i) = new QLabel(windowPointer);
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}
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QSlider::setTickInterval(ti);
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return;
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}
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int espoSlider::maxTick(){
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if (this->tickInterval() == 0){
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return 0;
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}
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return (this->maximum() - this-> minimum() + 1) / (this->tickInterval());
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}
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int espoSlider::maxTick(int ti){
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if (ti == 0){
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return 0;
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}
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return (this->maximum() - this-> minimum() + 1) / ti;
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}
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void espoSlider::rearrange(){
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QLabel *working;
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int k = 7;
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int c = 5;
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//int left = this->geometry().left();
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int right = this->geometry().right();
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int top = this->geometry().top();
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int bottom = this->geometry().bottom();
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int height = bottom - top;
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int internalHeight = height-c-k;
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int margin = (width()/3) - 6;
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//qDebug() << "left = " << left << "right = " << right << "top = " << top << "bottom = " << bottom << "height = " << height << "internalHeight = " << internalHeight << "margin = " << margin;
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//qDebug() << "maxTick() =" << maxTick();
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if (addressBook.size() > 1)
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for (int i=addressBook.size()-1; i>0; i--){
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working = addressBook.at(i);
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working->setGeometry(QRect(right-margin+labelMargin, top + c + (internalHeight * i * this->tickInterval()) / (this->maximum() - this->minimum()) - 5, 100, k*2));
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}
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working = addressBook.at(0);
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working->setGeometry(QRect(right-margin+labelMargin, top + c - 5, 100, k*2));
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}
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void espoSlider::selfMoved(int newval)
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{
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QString newstring;
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newstring.setNum((double) newval/20, 'f', 2);
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//qDebug() << newstring;
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voltageChanged(((double) newval) / 20);
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lcdOut(newstring);
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return;
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}
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void espoSlider::poke(void){
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//qDebug() << "Refreshing to voltage" << ((double) (this->value())) / 20;
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voltageChanged(((double) (this->value())) / 20);
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}
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