gwcalc.cpp

嵌入式linux下的一个高级计算器程序的源码

void
gwCalcMain::InsertButtonS08()
  // Configuration Editor
  //
  // Popup a Configuration Dialog
  //
{
  int   i, k, x, y;
  char  value[40];

  // on Linux Desktop the Dialog is placed directly
  // on the right side of the main widget
  x = this->x();
  y = this->y();

  cedit = new ConfigEdit(x+MAINWIDTH+8, y);
  cedit->fmt->setCurrentItem(CalculatorFmt - 1);
  cedit->an->setCurrentItem(CalculatorAutoAns);
  cedit->am->setCurrentItem(CalculatorAutoHighlight);

   // Popup the Dialog
  k = cedit->exec();

  if (k == QDialog::Accepted) {
    CalculatorFmt = cedit->fmt->currentItem() + 1;
    CalculatorAutoAns = cedit->an->currentItem();
    CalculatorAutoHighlight = cedit->am->currentItem();
  }


}

gwCalcMain::gwCalcMain()
  // Main Widget
  //
  //  setup of the main widge
{
  setGeometry (0, 16, MAINWIDTH, MAINHEIGHT);
  setCaption (VERSION);

  ifkt = 3;
  iinv = 0;
  ihyp = 0;

  cclr  = new QPalette( QColor( 80, 255, 80));
  cexe  = new QPalette( QColor(255,  80, 80));
  cfkt  = new QPalette( QColor(  0, 192,192));
 
  qp01a = new QPixmap ((const char **) ln_xpm ); 
  qp02a = new QPixmap ((const char **) e_xpm ); 
  qp03a = new QPixmap ((const char **) y_xpm ); 
  qp04a = new QPixmap ((const char **) log10_xpm ); 
  qp05a = new QPixmap ((const char **) x_xpm  ); 
  qp06a = new QPixmap ((const char **) bsqrt_xpm); 
  qp07a = new QPixmap ((const char **) log2_xpm); 
  qp08a = new QPixmap ((const char **) exp_xpm); 
  qp09a = new QPixmap ((const char **) quad_xpm); 
  qp10a = new QPixmap ((const char **) log_xpm); 
  qp11a = new QPixmap ((const char **) div_xpm); 
  qp12a = new QPixmap ((const char **) sqrt_xpm); 

  qp01b = new QPixmap ((const char **) inv_xpm); 
  qp02b = new QPixmap ((const char **) hyp_xpm); 
  qleer = new QPixmap ((const char **) leer_xpm); 
  qp04b = new QPixmap ((const char **) sin_xpm); 
  qp05b = new QPixmap ((const char **) cos_xpm); 
  qp06b = new QPixmap ((const char **) tan_xpm); 
  qp07b = new QPixmap ((const char **) csc_xpm); 
  qp08b = new QPixmap ((const char **) sec_xpm); 
  qp09b = new QPixmap ((const char **) cot_xpm); 

  qp01c = new QPixmap ((const char **) abs_xpm); 
  qp02c = new QPixmap ((const char **) sign_xpm); 
  qp04c = new QPixmap ((const char **) atan2_xpm); 

  // LCD-Display; Results display
  lcd = new QLabel (this);    
  lcd->setGeometry (LCD_OF,  4,LCD_MX, LCD_MY);
  lcd->setAlignment(AlignRight | AlignBottom | SingleLine);
  lcd->setFont (QFont("Helvetica", FONT20, QFont::Bold));
  lcd->setBackgroundColor(QColor(100,100, 255));
  lcdexp = new QLabel (this);    
  lcdexp->setGeometry (LCD_OF+LCD_MX,  4,LCD_EX, LCD_MY);
  lcdexp->setAlignment(AlignRight | AlignTop | SingleLine);
  lcdexp->setFont (QFont("Helvetica", FONT16, QFont::Bold));
  lcdexp->setBackgroundColor(QColor(100,100, 255));

  //  HYP/INV Signal
  ql01 = new QLabel(this);  
  ql01->setGeometry (4,  1, LCD_OF-6, 15);
  ql01->setFont (QFont("Helvetica", FONT08, QFont::Normal));
  ql02 = new QLabel(this);  
  ql02->setGeometry (4, 15, LCD_OF-6, 15);
  ql02->setFont (QFont("Helvetica", FONT08, QFont::Normal));

  //  Input Field
  inpfeld = new gwCalcEdit(this);  
  inpfeld->setGeometry (1, 8+LCD_MY, MAINWIDTH-2, 45);
  inpfeld->setMaxLineLength(25);  
  inpfeld->setWordWrap(QMultiLineEdit::WidgetWidth);

  s01 = new QPushButton("SW",  this); 
  s01->setGeometry (3*FKTBTN/2-7-2*SWBTN, TOPLINE-4-SWBTN,2*SWBTN,SWBTN);
  QPixmap  tqp ((const char **) switch_xpm); 
  s01->setPixmap(tqp);
  s05 = new QPushButton("RAD", this); 
  s05->setGeometry (3*FKTBTN/2-3, TOPLINE-4-SWBTN,2*SWBTN,SWBTN);
  s05->setFont (QFont("Helvetica", FONT12, QFont::Normal));

  s02 = new QPushButton("FKT", this); 
  s02->setGeometry (3*FKTBTN-6, TOPLINE-4-SWBTN,2*SWBTN,SWBTN);
  s02->setFont (QFont("Helvetica", FONT12, QFont::Normal));
  s03 = new QPushButton("HIS", this); 
  s03->setGeometry (3*FKTBTN-6+BTNSIZE, TOPLINE-4-SWBTN,2*SWBTN,SWBTN);
  s03->setFont (QFont("Helvetica", FONT12, QFont::Normal));
  s04 = new QPushButton("VAR", this); 
  s04->setGeometry (3*FKTBTN-6+2*BTNSIZE, TOPLINE-4-SWBTN,2*SWBTN,SWBTN);
  s04->setFont (QFont("Helvetica", FONT12, QFont::Normal));

  s06 = new QPushButton("", this); 
  s06->setGeometry (3*FKTBTN-4+3*BTNSIZE, TOPLINE-4-SWBTN,SWBTN,SWBTN);
  QPixmap  tqp6 ((const char **) up_xpm); 
  s06->setPixmap(tqp6);
  s07 = new QPushButton("", this); 
  s07->setGeometry (3*FKTBTN-4+3*BTNSIZE+SWBTN, 
		    TOPLINE-4-SWBTN,SWBTN,SWBTN);
  QPixmap  tqp7 ((const char **) down_xpm); 
  s07->setPixmap(tqp7);
  
  s08 = new QPushButton("C",  this); 
  s08->setGeometry (3*FKTBTN-3+3*BTNSIZE+2*SWBTN, 
		    TOPLINE-4-SWBTN,SWBTN,SWBTN);

  b01 = new QPushButton("1",   this); 
  b01->setGeometry (3*FKTBTN+5,TOPLINE+2*BTNSIZE,BTNSIZE,BTNSIZE);
  b01->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b02 = new QPushButton("2",   this); 
  b02->setGeometry (3*FKTBTN+5+BTNSIZE,TOPLINE+2*BTNSIZE,BTNSIZE,BTNSIZE);
  b02->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b03 = new QPushButton("3",   this); 
  b03->setGeometry (3*FKTBTN+5+2*BTNSIZE,TOPLINE+2*BTNSIZE,
		    BTNSIZE,BTNSIZE);
  b03->setFont (QFont("Helvetica", FONT18, QFont::Normal));

  b04 = new QPushButton("4",   this); 
  b04->setGeometry (3*FKTBTN+5 ,TOPLINE+BTNSIZE,BTNSIZE,BTNSIZE);
  b04->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b05 = new QPushButton("5",   this); 
  b05->setGeometry (3*FKTBTN+5+BTNSIZE,TOPLINE+BTNSIZE,BTNSIZE,BTNSIZE);
  b05->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b06 = new QPushButton("6",   this); 
  b06->setGeometry (3*FKTBTN+5+2*BTNSIZE,TOPLINE+BTNSIZE,BTNSIZE,BTNSIZE);
  b06->setFont (QFont("Helvetica", FONT18, QFont::Normal));
				               
  b07 = new QPushButton("7",   this); 
  b07->setGeometry (3*FKTBTN+5,TOPLINE,BTNSIZE,BTNSIZE);
  b07->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b08 = new QPushButton("8",   this); 
  b08->setGeometry (3*FKTBTN+5+BTNSIZE,TOPLINE,BTNSIZE,BTNSIZE);
  b08->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b09 = new QPushButton("9",   this); 
  b09->setGeometry (3*FKTBTN+5+2*BTNSIZE,TOPLINE,BTNSIZE,BTNSIZE);
  b09->setFont (QFont("Helvetica", FONT18, QFont::Normal));
				               
  b10 = new QPushButton("0",   this); 
  b10->setGeometry (3*FKTBTN+5,TOPLINE+3*BTNSIZE,BTNSIZE,BTNSIZE);
  b10->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b11 = new QPushButton(",",   this); 
  b11->setGeometry (3*FKTBTN+5+BTNSIZE,TOPLINE+3*BTNSIZE,BTNSIZE,BTNSIZE);
  b11->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b12 = new QPushButton("EE",  this); 
  b12->setGeometry (3*FKTBTN+5+2*BTNSIZE,TOPLINE+3*BTNSIZE,
		    BTNSIZE,BTNSIZE);
  b12->setFont (QFont("Helvetica", FONT18, QFont::Normal));
				               
  b15 = new QPushButton("Pi",  this); 
  b15->setGeometry (3*FKTBTN+5,2+TOPLINE+4*BTNSIZE,BTNSIZE,BTNSIZE);
  QPixmap  tqp1 ((const char **) pi_xpm); 
  b15->setPixmap(tqp1);
  b15->setFont (QFont("Helvetica", FONT16, QFont::Normal));
  b16 = new QPushButton("(",   this); 
  b16->setGeometry (3*FKTBTN+5+BTNSIZE,2+TOPLINE+4*BTNSIZE,
		    BTNSIZE,BTNSIZE);
  b16->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b17 = new QPushButton(")",   this); 
  b17->setGeometry (3*FKTBTN+5+2*BTNSIZE,2+TOPLINE+4*BTNSIZE,
		    BTNSIZE,BTNSIZE);
  b17->setFont (QFont("Helvetica", FONT18, QFont::Normal));

  b18 = new QPushButton("/",   this); 
  b18->setGeometry (3*FKTBTN+9+3*BTNSIZE,TOPLINE,BTNSIZE,BTNSIZE);
  b18->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b19 = new QPushButton("x",   this); 
  b19->setGeometry (3*FKTBTN+9+3*BTNSIZE,TOPLINE+BTNSIZE,
		    BTNSIZE,BTNSIZE);
  b19->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b20 = new QPushButton("-",   this); 
  b20->setGeometry (3*FKTBTN+9+3*BTNSIZE,TOPLINE+2*BTNSIZE,
		    BTNSIZE,BTNSIZE);
  b20->setFont (QFont("Helvetica", FONT18, QFont::Normal));
  b21 = new QPushButton("+",   this); 
  b21->setGeometry (3*FKTBTN+9+3*BTNSIZE,TOPLINE+3*BTNSIZE,
		    BTNSIZE,BTNSIZE);
  b21->setFont (QFont("Helvetica", FONT18, QFont::Normal));

  p01 = new QPushButton(":",   this); 
  p01->setGeometry (3*FKTBTN+9+3*BTNSIZE,2+TOPLINE+4*BTNSIZE,
		    CHRBTN,CHRBTN);
  p01->setFont (QFont("Helvetica", FONT16, QFont::Bold));
  p02 = new QPushButton(";",   this); 
  p02->setGeometry (3*FKTBTN+9+3*BTNSIZE+CHRBTN,2+TOPLINE+4*BTNSIZE,
		    CHRBTN,CHRBTN);
  p02->setFont (QFont("Helvetica", FONT16, QFont::Bold));
  p03 = new QPushButton("=",   this); 
  p03->setGeometry (3*FKTBTN+9+3*BTNSIZE,2+TOPLINE+4*BTNSIZE+CHRBTN,
		    CHRBTN,CHRBTN);
  p03->setFont (QFont("Helvetica", FONT16, QFont::Bold));
  p04 = new QPushButton(" ",   this); 
  p04->setGeometry (3*FKTBTN+9+3*BTNSIZE+CHRBTN,2+TOPLINE+4*BTNSIZE+CHRBTN,
		    CHRBTN,CHRBTN);
  p04->setFont (QFont("Helvetica", FONT16, QFont::Bold));

  f01 = new QPushButton("ln",  this ); 
  f01->setGeometry (       0,TOPLINE,FKTBTN,FKTBTN);
  f01->setPalette(*cfkt);
  f02 = new QPushButton("e^x", this ); 
  f02->setGeometry (  FKTBTN,TOPLINE,FKTBTN,FKTBTN);
  f02->setPalette(*cfkt);
  f03 = new QPushButton("y^x", this ); 
  f03->setGeometry (2*FKTBTN,TOPLINE,FKTBTN,FKTBTN);
  f03->setPalette(*cfkt);

  f04 = new QPushButton("log10",  this ); 
  f04->setGeometry (       0,TOPLINE+FKTBTN,FKTBTN,FKTBTN);
  f04->setPalette(*cfkt);
  f05 = new QPushButton("10^",    this ); 
  f05->setGeometry (  FKTBTN,TOPLINE+FKTBTN,FKTBTN,FKTBTN);
  f05->setPalette(*cfkt);
  f06 = new QPushButton("x^(1/x)",this ); 
  f06->setGeometry (2*FKTBTN,TOPLINE+FKTBTN,FKTBTN,FKTBTN);
  f06->setPalette(*cfkt);

  f07 = new QPushButton("log2",   this ); 
  f07->setGeometry (       0,TOPLINE+2*FKTBTN,FKTBTN,FKTBTN);
  f07->setPalette(*cfkt);
  f08 = new QPushButton("2^",     this ); 
  f08->setGeometry (  FKTBTN,TOPLINE+2*FKTBTN,FKTBTN,FKTBTN);
  f08->setPalette(*cfkt);
  f09 = new QPushButton("x^2",    this ); 
  f09->setGeometry (2*FKTBTN,TOPLINE+2*FKTBTN,FKTBTN,FKTBTN);
  f09->setPalette(*cfkt);

  f10 = new QPushButton("1/x",    this); 
  f10->setGeometry (       0,TOPLINE+3*FKTBTN,FKTBTN,FKTBTN);
  f10->setPalette(*cfkt);
  f11 = new QPushButton("abs",    this); 
  f11->setGeometry (  FKTBTN,TOPLINE+3*FKTBTN,FKTBTN,FKTBTN);
  f11->setPalette(*cfkt);
  f12 = new QPushButton("sqrt",   this); 
  f12->setGeometry (2*FKTBTN,TOPLINE+3*FKTBTN,FKTBTN,FKTBTN);
  f12->setPalette(*cfkt);

  b13 = new QPushButton("CLR", this); 
  b13->setGeometry ( 0 ,2+TOPLINE+4*FKTBTN,
		     3*FKTBTN/2,(5*BTNSIZE-4*FKTBTN)/2);
  b13->setFont (QFont("Helvetica", FONT16, QFont::Bold));
  b13->setPalette(*cclr );
  b14 = new QPushButton("ANS", this); 
  b14->setGeometry ( 0 ,2+TOPLINE+4*FKTBTN+(5*BTNSIZE-4*FKTBTN)/2,
		     3*FKTBTN/2,(5*BTNSIZE-4*FKTBTN)/2);
  b14->setFont (QFont("Helvetica", FONT16, QFont::Bold));
  b23 = new QPushButton("DEL", this); 
  b23->setGeometry (3*FKTBTN/2,2+TOPLINE+4*FKTBTN,
		    3*FKTBTN/2,(5*BTNSIZE-4*FKTBTN)/2);
  b23->setFont (QFont("Helvetica", FONT16, QFont::Bold));
  b24 = new QPushButton("EXE", this); 
  b24->setGeometry (3*FKTBTN/2,2+TOPLINE+4*FKTBTN+(5*BTNSIZE-4*FKTBTN)/2,
		    3*FKTBTN/2,(5*BTNSIZE-4*FKTBTN)/2);
  b24->setFont (QFont("Helvetica", FONT16, QFont::Bold));
  b24->setPalette(*cexe );

  InsertButtonS01();

  connect (b01, SIGNAL(clicked()), this, SLOT (InsertButtonB01()));
  connect (b02, SIGNAL(clicked()), this, SLOT (InsertButtonB02()));
  connect (b03, SIGNAL(clicked()), this, SLOT (InsertButtonB03()));
  connect (b04, SIGNAL(clicked()), this, SLOT (InsertButtonB04()));
  connect (b05, SIGNAL(clicked()), this, SLOT (InsertButtonB05()));
  connect (b06, SIGNAL(clicked()), this, SLOT (InsertButtonB06()));
  connect (b07, SIGNAL(clicked()), this, SLOT (InsertButtonB07()));
  connect (b08, SIGNAL(clicked()), this, SLOT (InsertButtonB08()));
  connect (b09, SIGNAL(clicked()), this, SLOT (InsertButtonB09()));
  connect (b10, SIGNAL(clicked()), this, SLOT (InsertButtonB10()));
  connect (b11, SIGNAL(clicked()), this, SLOT (InsertButtonB11()));
  connect (b12, SIGNAL(clicked()), this, SLOT (InsertButtonB12()));
  connect (b13, SIGNAL(clicked()), this, SLOT (InsertButtonB13()));
  connect (b14, SIGNAL(clicked()), this, SLOT (InsertButtonB14()));
  connect (b15, SIGNAL(clicked()), this, SLOT (InsertButtonB15()));
  connect (b16, SIGNAL(clicked()), this, SLOT (InsertButtonB16()));
  connect (b17, SIGNAL(clicked()), this, SLOT (InsertButtonB17()));
  connect (b18, SIGNAL(clicked()), this, SLOT (InsertButtonB18()));
  connect (b19, SIGNAL(clicked()), this, SLOT (InsertButtonB19()));
  connect (b20, SIGNAL(clicked()), this, SLOT (InsertButtonB20()));
  connect (b21, SIGNAL(clicked()), this, SLOT (InsertButtonB21()));
  connect (b23, SIGNAL(clicked()), this, SLOT (InsertButtonB23()));
  connect (b24, SIGNAL(clicked()), this, SLOT (InsertButtonB24()));

  connect (f01, SIGNAL(clicked()), this, SLOT (InsertButtonF01()));
  connect (f02, SIGNAL(clicked()), this, SLOT (InsertButtonF02()));
  connect (f03, SIGNAL(clicked()), this, SLOT (InsertButtonF03()));
  connect (f04, SIGNAL(clicked()), this, SLOT (InsertButtonF04()));
  connect (f05, SIGNAL(clicked()), this, SLOT (InsertButtonF05()));
  connect (f06, SIGNAL(clicked()), this, SLOT (InsertButtonF06()));
  connect (f07, SIGNAL(clicked()), this, SLOT (InsertButtonF07()));
  connect (f08, SIGNAL(clicked()), this, SLOT (InsertButtonF08()));
  connect (f09, SIGNAL(clicked()), this, SLOT (InsertButtonF09()));
  connect (f10, SIGNAL(clicked()), this, SLOT (InsertButtonF10()));
  connect (f11, SIGNAL(clicked()), this, SLOT (InsertButtonF11()));
  connect (f12, SIGNAL(clicked()), this, SLOT (InsertButtonF12()));

  connect (p01, SIGNAL(clicked()), this, SLOT (InsertButtonP01()));
  connect (p02, SIGNAL(clicked()), this, SLOT (InsertButtonP02()));
  connect (p03, SIGNAL(clicked()), this, SLOT (InsertButtonP03()));
  connect (p04, SIGNAL(clicked()), this, SLOT (InsertButtonP04()));

  connect (s01, SIGNAL(clicked()), this, SLOT (InsertButtonS01()));
  connect (s02, SIGNAL(clicked()), this, SLOT (InsertButtonS02()));
  connect (s03, SIGNAL(clicked()), this, SLOT (InsertButtonS03()));
  connect (s04, SIGNAL(clicked()), this, SLOT (InsertButtonS04()));
  connect (s05, SIGNAL(clicked()), this, SLOT (InsertButtonS05()));
  connect (s06, SIGNAL(clicked()), this, SLOT (InsertButtonS06()));
  connect (s07, SIGNAL(clicked()), this, SLOT (InsertButtonS07()));
  connect (s08, SIGNAL(clicked()), this, SLOT (InsertButtonS08()));

  connect (inpfeld, SIGNAL(returnPressed()), this, SLOT (InputReturn()));
}

int
main (int argc, char ** argv)
{
  FILE *config;

#ifdef ZAURUS
  QPEApplication a(argc, argv);
#else
  char    npath[PATH_MAX], syspath[PATH_MAX];
  char   *env;

  QApplication a(argc, argv);

#endif

  // initialize main widget and clipboard
  gwCalcMain w;
  clipboard = a.clipboard();

  CalculatorCmdHistoryAnz = 0;

  // find the configuration file
  // this file holds all informations, which should be
  // available after restart of the programm
#ifdef ZAURUS
  system("cd /home/root/Applications; mkdir gwCalc");
  config = fopen ("/home/root/Applications/gwCalc/gwcalc.conf", "rt");
#else
  env = getenv("HOME");
  if (env) 
    strcpy(npath, env);
  else
    strcpy(npath, "/tmp");
  
  strcat(npath, "/.kde/share/apps/gwcalc");

  // create a subdirectory for the configuration file; 
  // there is a error message, if the directory already 
  // exists; this is ignored at the moment
  strcpy(syspath, "mkdir ");
  strcat(syspath, npath);
  system(syspath);

  strcat(npath, "/gwcalc.conf");
  config = fopen (npath, "rt");
  
#endif
  if (config) {
    ReadHistory(config);
    fclose(config);
  }
  CalculatorCmdCurhist = CalculatorCmdHistoryAnz;

  // now show the main widget
  a.setMainWidget (&w);
  w.show();
  w.InsertButtonS05();
  w.InsertButtonS05();
  w.InsertButtonB24();
  a.exec();

  // programm end: save configuration
#ifdef ZAURUS
  config = fopen ("/home/root/Applications/gwCalc/gwcalc.conf", "wt");
#else
  config = fopen (npath, "wt");
#endif

  if (config) {
    WriteHistory(config);
    fclose(config);
  }

  return 0;
}