Merged in Charles-Edouard Ruault's calculator patch to add temp conversion.

2 files changed, 21 insertions, 5 deletions

diff --git a/noncore/tools/calculator/calculatorimpl.cpp b/noncore/tools/calculator/calculatorimpl.cpp
index 2f7d7ce..1b93c7f 100644
--- a/noncore/tools/calculator/calculatorimpl.cpp
+++ b/noncore/tools/calculator/calculatorimpl.cpp
@@ -1,44 +1,49 @@
 /**********************************************************************
 ** Copyright (C) 2000 Trolltech AS.  All rights reserved.
 **
 ** This file is part of Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 
+/*
+ * 01/14/2002 Charles-Edouard Ruault <ce@ruault.com>
+ * Added support for Temperature conversions.
+ */
+
 #include "calculatorimpl.h"
 
 #include <qpe/resource.h>
 #include <qpe/qmath.h>
 #include <qpe/qpeapplication.h>
 
 #include <qpushbutton.h>
 #include <qcombobox.h>
 #include <qlabel.h>
 #include <qfont.h>
 #include <qlayout.h>
 #include <qstringlist.h>
 #include <qfile.h>
 #include <qtextstream.h>
 #include <qmessagebox.h>
 #include <math.h>
 
 CalculatorImpl::CalculatorImpl( QWidget * parent, const char * name,
 				WFlags f )
     : Calculator( parent, name, f )
 {
     xtopowerofy = Resource::loadPixmap("xtopowerofy");
     ythrootofx = Resource::loadPixmap("ythrootofx");
     oneoverx = Resource::loadPixmap("oneoverx");
@@ -113,67 +118,74 @@ CalculatorImpl::CalculatorImpl( QWidget * parent, const char * name,
     ComboBoxFunction->insertItem(captions.last());
 
     // now add in the conversion modes
     // when the menu gets done, these should be in a submenu
     QString tmp = QPEApplication::qpeDir();
     tmp += "/etc/unit_conversion.dat";
     QFile myfile(tmp);
     if ( !myfile.open( IO_Translate | IO_ReadOnly ) ) {
         // QMessageBox::warning(this, "Warning", "Data file\nunit_conversion.dat\nnot found\nNo conversion\nfeatures will\nbe available");
         // disable the f button if no conv file available
         ComboBoxFunction->setEnabled(FALSE);
     }
     else {
         QString line, line2;
         QTextStream ts(&myfile);
 
         // first pass, see how many conversion types there are in order to allocate for them
         while ( ! ts.eof() ) {
             line = ts.readLine();
             if ( line.contains ("STARTTYPE" ) )
                 conversion_mode_count++;
         }
 
         entry_list = new double[conversion_mode_count*func_button_count];
-
+		preoffset_list = new double[conversion_mode_count*func_button_count];
+		postoffset_list = new double[conversion_mode_count*func_button_count];
         myfile.close();
         myfile.open( IO_Translate | IO_ReadOnly );
         QTextStream ts2(&myfile);
 
         // second pass, read in values
         int x = 0;
         while ( ! ts2.eof() ) {
                 line = ts2.readLine();
                 if ( line.contains("STARTTYPE") ) {
                         captions << line.remove(0,10);
 			ComboBoxFunction->insertItem(captions.last());
                         while ( !line.contains("ENDTYPE") ) {
                             line = ts2.readLine();
                             if ( line.contains("NAME") ) {
                                 faces << line.remove(0,5);
                                 line2 = ts2.readLine();
                                 line2.remove(0,6);
                                 entry_list[x] = line2.toDouble();
+								line2 = ts2.readLine();
+                                line2.remove(0,7);
+                                preoffset_list[x] = line2.toDouble();
+								line2 = ts2.readLine();
+                                line2.remove(0,8);
+                                postoffset_list[x] = line2.toDouble();
                                 x++;
                             }
                         }
                 }
         }
     }
     myfile.close();
     clear();
     max_mode = pre_conv_modes_count + conversion_mode_count + post_conv_modes_count - 1;
     display_pixmap_faces();
 
     qApp->installEventFilter( this );
 }
 
 bool CalculatorImpl::eventFilter( QObject *o, QEvent *e )
 {
     if ( e->type() == QEvent::KeyPress && state != sError ) {
 	QKeyEvent *k = (QKeyEvent*)e;
 	if ( k->key() >= Key_0 && k->key() <= Key_9 ) {
 	    enterNumber( k->key() - Key_0 );
 	    return true;
 	} else {
 	    switch ( k->key() ) {
 		case Key_Equal:
@@ -199,58 +211,60 @@ bool CalculatorImpl::eventFilter( QObject *o, QEvent *e )
 		    return true;
 		case Key_ParenLeft:
 		    if ( current_mode <  pre_conv_modes_count )
 			execOp( oOpenBrace );
 		    return true;
 		case Key_ParenRight:
 		    if ( current_mode <  pre_conv_modes_count )
 			execOp( oCloseBrace );
 		    return true;
 		default:
 		    break;
 	    }
 	}
     }
     return Calculator::eventFilter( o, e );
 }
 
 void CalculatorImpl::do_convert(int button) {
     if ( state == sError )
 	return;
     if ( current_mode >= pre_conv_modes_count && current_mode <= (max_mode - post_conv_modes_count) &&
 	button < changeable_func_button_count ) {
         if ( last_conversion > -1 ) {
             if( state == sNewNumber ){
-                acc = num
+			  acc = (num+ preoffset_list[(current_mode - pre_conv_modes_count) * func_button_count + last_conversion])
                     / (entry_list[(current_mode - pre_conv_modes_count) * func_button_count + last_conversion])
-                    * (entry_list[(current_mode - pre_conv_modes_count) * func_button_count + button]) ;
+                    * (entry_list[(current_mode - pre_conv_modes_count) * func_button_count + button]) 
+				+postoffset_list[(current_mode - pre_conv_modes_count) * func_button_count + button];
 		num = acc;
                 LCD->display( acc );
             } else {
                 state = sNewNumber;
-                num = num
+                num = (num+ preoffset_list[(current_mode - pre_conv_modes_count) * func_button_count + last_conversion])
                     / (entry_list[(current_mode - pre_conv_modes_count) * func_button_count + last_conversion])
-                    * (entry_list[(current_mode - pre_conv_modes_count) * func_button_count + button]) ;
+                    * (entry_list[(current_mode - pre_conv_modes_count) * func_button_count + button]) 
+				  + postoffset_list[(current_mode - pre_conv_modes_count) * func_button_count + button];;
                 LCD->display( num );
                 acc = num;
             }
         }
         last_conversion = button;
     }
 }
 
 
 void CalculatorImpl::function_button(int mode){
     if ( state == sError ) 
 	clear();
     // dont need the next line when using a popup menu
     current_mode = mode;
 
     // reset the last conv
     last_conversion = -1;
 
     // set the caption
     this->setCaption( captions[current_mode] );
 
     reset_conv();
 
     for ( int x = 0 ; x < changeable_func_button_count ; x++ ) {
diff --git a/noncore/tools/calculator/calculatorimpl.h b/noncore/tools/calculator/calculatorimpl.h
index bfb726f..f0180c9 100644
--- a/noncore/tools/calculator/calculatorimpl.h
+++ b/noncore/tools/calculator/calculatorimpl.h
@@ -103,33 +103,35 @@ private:
 
     void   execOp( Operation i );
     double evalExpr( int op );
     QLabel * memMark;
     QString fake;
     
     // useful values for conversion stuff
     int current_mode, max_mode, conversion_mode_count, last_conversion;
 
     // make adding new modes easier for ourselves
     static const int pre_conv_modes_count = 1;
     static const int post_conv_modes_count = 0;
 
     // an array of pointers to the func buttons
     static const int func_button_count = 12;
 	// this is an abomination
 	static const int changeable_func_button_count = 10;
     QPushButton* func_buttons[func_button_count];
 
     QButtonGroup bgr_function, bgr_digits, bgr_std, bgr_command;
     QStringList faces, captions;
 
     // an array of doubles holding the conversion ratios
     double* entry_list;
+	double* preoffset_list;
+	double* postoffset_list;
 
     QPixmap xtopowerofy;
     QPixmap ythrootofx;
     QPixmap oneoverx;
 
     void display_pixmap_faces(void);
 };
 
 #endif