//
// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Mon Dec  6 15:58:31 PST 1999
// Last Modified: Mon Dec  6 15:58:34 PST 1999
// Filename:      ...improv/doc/gui/linux/qt/examples/midiscope/MainWidget.cpp
// Syntax:        C++; qt 2.02; improv 2.2.7
//

#include "MainWidget.h"
// #include "MainWidget.moc"
#include <qkeycode.h>
#include <qtooltip.h>

#include <stdlib.h>


//////////////////////////////
//
// MainWidget::MainWidget -- sets up initial widget states for the
//     main window of the program.
//

MainWidget::MainWidget(QWidget* parent, const char* name) {

   // (1): creating the widgets in the main window.
   // Currently, there are only three LCD displays 
   // in the main window.  Note that these widgets do not
   // have to be deleted by MainWidget's deconstructor since 
   // Qt will be keeping track of them.

   lcd[0] = new QLCDNumber(2, this, "command");
   QToolTip::add(lcd[0], "command");

   lcd[1] = new QLCDNumber(2, this, "p1");
   QToolTip::add(lcd[1], "p1");

   lcd[2] = new QLCDNumber(2, this, "p2");
   QToolTip::add(lcd[2], "p2");


   // (2): adjusting the layout of the widgets in the main window:
   setMinimumSize(280, 100);
   adjustSize();


   // (3): adjusting style of LCD's and other stuff
   for (int i=0; i<3; i++) {
//      lcd[i]->setPalette(QPalette(QColor(0x0, 0x0, 0x0)));
      lcd[i]->setHexMode();
      lcd[i]->setSegmentStyle(QLCDNumber::Flat);
      lcd[i]->display(0);
   }
}



//////////////////////////////
//
// MainWidget::adjustSize -- adjust the contents of MainWidget when it
//     changes size.  The user can only control the width of the 
//     MainWidget, and the height of the MainWidget will be calculated
//     from the width (This is done with the setFixedHeight function).
//

void MainWidget::adjustSize(void) {
   setFixedHeight(width()/6);

   double digitsize = (width()-40)/6.0;   // there are 6 digits to display

   lcd[0]->move(10, 10);
   lcd[0]->resize(2 * digitsize, height() - 25);

   lcd[1]->move(20 + 2 * digitsize, 10);
   lcd[1]->resize(2 * digitsize, height() - 25);

   lcd[2]->move(30 + 4 * digitsize, 10);
   lcd[2]->resize(2 * digitsize, height() - 25);
}


//////////////////////////////
//
// MainWidget::midi -- what to do with a new MIDI message.
//

void MainWidget::midi(int byte1, int byte2, int byte3) {
   int byte[3];
   static char buffer[8] = {0};
   byte[0] = byte1;
   byte[1] = byte2;
   byte[2] = byte3;

   for (int i=0; i<3; i++) {
      if (byte[i] < 0x10 && byte[i] >= 0) {
         buffer[0] = '0';
         if (byte[i] < 10) {
            buffer[1] = '0' + byte[i];
         } else {
            buffer[1] = 'a' + byte[i] - 10;
         }
         buffer[2] = '\0';
         lcd[i]->display(buffer);
      } else {
         lcd[i]->display(byte[i]);
      }
      lcd[i]->repaint();
   }
}



///////////////////////////////////////////////////////////////////////////
//
// Event-handling functions: 
//


//////////////////////////////
//
// MainWidget::resizeEvent -- a virtual function which is called
//     when the user resizes the MainWidget.

void MainWidget::resizeEvent(QResizeEvent* event) {
   adjustSize();
}