customcombobox.cpp

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#include "customcombobox.h"
#include "downloader.h"
 
CustomComboBox::CustomComboBox(QWidget *parent) : QComboBox(parent), mutex(QMutex::Recursive)
{
    initialized = false;
 
    modified = false;
    setStyleSheet("font: 9pt");
    previousIndex = -1;
    connect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
 
    initItems();
}
 
 
void CustomComboBox::clear()
{
    mutex.lock();
    if(previousIndex < 0){
        mutex.unlock();
        return;
    }
    disconnect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
    //setCurrentIndex(previousIndex);
    previousIndex = -1;
    modified = false;
    setStyleSheet("font: 9pt");
    connect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
    mutex.unlock();
}
 
void CustomComboBox::setCurrIndex(int v)
{
    mutex.lock();
    if(previousIndex >= 0){
        if(modified || v == currentIndex()){
            mutex.unlock();
            return;
        }
    }
    disconnect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
    setCurrentIndex(v);
    previousIndex = v;
    connect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
    mutex.unlock();
}
 
void CustomComboBox::onCurrentIndexChanged(int v)
{
    mutex.lock();
    if(previousIndex < 0){
        mutex.unlock();
        return;
    }
 
    if(v == count() -1 && itemData(count() - 1,GAINAMPROLE).toInt() < 0){
        removeItem(count() - 1);
        disconnect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
        setCurrentIndex(0);
        previousIndex = 0;
        connect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
    } else if(itemData(count() - 1,GAINAMPROLE).toInt() < 0){
        removeItem(count() - 1);
    }
 
    modified = true;
    setStyleSheet("color: rgb(239, 41, 41);"
                  "font: bold 9pt");
    mutex.unlock();
}
 
void CustomComboBox::clearItems()
{
    mutex.lock();
    while (count() > 0) {
        removeItem(count() - 1);
    }
    initialized = false;
    mutex.unlock();
}
void CustomComboBox::initItems()
{
    mutex.lock();
    if(initialized){
        mutex.unlock();
        return;
    }
    //Luca
    addItem("256,000",256);
    setItemData(count() - 1,ampl_gain256,GAINAMPROLE);
    addItem("128,000",128);
    setItemData(count() - 1,ampl_gain128,GAINAMPROLE);
    addItem("96,000",96);
    setItemData(count() - 1,ampl_gain96,GAINAMPROLE);
    addItem("64,000",64);
    setItemData(count() - 1,ampl_gain64,GAINAMPROLE);
    addItem("48,000",48);
    setItemData(count() - 1,ampl_gain48,GAINAMPROLE);
    addItem("36,000",36);
    setItemData(count() - 1,ampl_gain36,GAINAMPROLE);
    addItem("24,000",24);
    setItemData(count() - 1,ampl_gain24,GAINAMPROLE);
    addItem("20,000",20);
    setItemData(count() - 1,ampl_gain20,GAINAMPROLE);
    addItem("16,000",16);
    setItemData(count() - 1,ampl_gain16,GAINAMPROLE);
    addItem("10,000",10);
    setItemData(count() - 1,ampl_gain10,GAINAMPROLE);
    addItem("8,000",8);
    setItemData(count() - 1,ampl_gain08,GAINAMPROLE);
    addItem("6,000",6);
    setItemData(count() - 1,ampl_gain06,GAINAMPROLE);
    addItem("4,000",4);
    setItemData(count() - 1,ampl_gain04,GAINAMPROLE);
 
    initialized = true;
    mutex.unlock();
}
 
void CustomComboBox::setIndexFromAmpGain(int g)
{
 
 
    mutex.lock();
    int index;
    disconnect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
 
    //LUCA
    switch (g) {
    case ampl_gain256:
    case ampl_gain128:
    case ampl_gain96:
    case ampl_gain64:
    case ampl_gain48:
    case ampl_gain36:
    case ampl_gain24:
    case ampl_gain20:
    case ampl_gain16:
    case ampl_gain10:
    case ampl_gain08:
    case ampl_gain06:
    case ampl_gain04:
        index = g;
        break;
    default:
        index = 0;
        break;
    }
    setStyleSheet("color: rgb(239, 41, 41);"
                  "font: bold 9pt");
    modified = true;
    setCurrentIndex(index);
    previousIndex = index;
    connect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
    mutex.unlock();
}
 
void CustomComboBox::addCustomValue(float val)
{
    mutex.lock();
    int c = count();
    QString s = QString("%1").arg(val);
    QString s1 = itemText(c - 1);
 
 
    if(modified || s1 == s){
        mutex.unlock();
        return;
    }
    if(itemData(c - 1,GAINAMPROLE ).toInt() < 0){
        removeItem(c - 1);
    }
    addItem(s,val);
    setItemData(c, -100, GAINAMPROLE);
    disconnect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
    setCurrentIndex(c);
    connect(this,SIGNAL(currentIndexChanged(int)),this,SLOT(onCurrentIndexChanged(int)));
    previousIndex = c;
    mutex.unlock();
}