361 lines
14 KiB
C
361 lines
14 KiB
C
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/**************************************************************************/
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/*** SCICALC Scientific Calculator for Windows 3.00.12 ***/
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/*** By Kraig Brockschmidt, Microsoft Co-op, Contractor, 1988-1989 ***/
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/*** (c)1989 Microsoft Corporation. All Rights Reserved. ***/
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/*** ***/
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/*** scimenu.c ***/
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/*** ***/
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/*** Functions contained: ***/
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/*** MenuFunctions--handles menu options. ***/
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/*** ***/
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/*** Functions called: ***/
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/*** DisplayNum ***/
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/*** ***/
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/*** Last modification Thu 06-Dec-1989 ***/
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/*** (-by- Amit Chatterjee [amitc]) ***/
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/*** ***/
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/*** Modified the 'PASTE' menu to check for unary minus, e, e+ & e- ***/
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/*** in DEC mode. ***/
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/*** ***/
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/*** Also modified the COPY code to not copy the last '.' in the display***/
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/*** if a decimal point has not been hit. ***/
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/*** ***/
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/**************************************************************************/
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#include "scicalc.h"
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#include "unifunc.h"
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#include "input.h"
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#include <shellapi.h>
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#include <ctype.h>
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#define CHARSCAN 66
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extern HWND hEdit, hStatBox;
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extern TCHAR szAppName[10], szDec[5], gszSep[5], *rgpsz[CSTRINGS];
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extern LPTSTR gpszNum;
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extern BOOL bError;
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extern INT nLayout;
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extern HMENU g_hDecMenu;
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extern HMENU g_hHexMenu;
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extern CALCINPUTOBJ gcio;
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extern BOOL gbRecord;
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extern BOOL gbUseSep;
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/* Menu handling routine for COPY, PASTE, ABOUT, and HELP. */
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VOID NEAR PASCAL MemErrorMessage(VOID)
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{
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MessageBeep(0);
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MessageBox(g_hwndDlg,rgpsz[IDS_STATMEM],NULL,MB_OK|MB_ICONHAND);
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}
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VOID APIENTRY MenuFunctions(DWORD nFunc)
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{
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INT nx;
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static const int rgbMap[CHARSCAN * 2]=
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{
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TEXT('0'),IDC_0, TEXT('1'),IDC_1,
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TEXT('2'),IDC_2, TEXT('3'),IDC_3,
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TEXT('4'),IDC_4, TEXT('5'),IDC_5,
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TEXT('6'),IDC_6, TEXT('7'),IDC_7,
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TEXT('8'),IDC_8, TEXT('9'),IDC_9,
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TEXT('A'),IDC_A, TEXT('B'),IDC_B,
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TEXT('C'),IDC_C, TEXT('D'),IDC_D,
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TEXT('E'),IDC_E, TEXT('F'),IDC_F,
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TEXT('!'),IDC_FAC, TEXT('S'),IDC_SIN,
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TEXT('O'),IDC_COS, TEXT('T'),IDC_TAN,
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TEXT('R'),IDC_REC, TEXT('Y'),IDC_PWR,
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TEXT('#'),IDC_CUB, TEXT('@'),IDC_SQR,
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TEXT('M'),IDM_DEG, TEXT('N'),IDC_LN,
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TEXT('L'),IDC_LOG, TEXT('V'),IDC_FE,
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TEXT('X'),IDC_EXP, TEXT('I'),IDC_INV,
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TEXT('H'),IDC_HYP, TEXT('P'),IDC_PI,
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TEXT('/'),IDC_DIV, TEXT('*'),IDC_MUL,
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TEXT('%'),IDC_MOD, TEXT('-'),IDC_SUB,
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TEXT('='),IDC_EQU, TEXT('+'),IDC_ADD,
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TEXT('&'),IDC_AND, TEXT('|'),IDC_OR,
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TEXT('^'),IDC_XOR, TEXT('~'),IDC_COM,
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TEXT(';'),IDC_CHOP, TEXT('<'),IDC_LSHF,
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TEXT('('),IDC_OPENP,TEXT(')'),IDC_CLOSEP,
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TEXT('\\'), IDC_DATA,
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TEXT('Q'), IDC_CLEAR,
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TEXT('Q')+128, IDC_CLEAR, // ":Q"=="Q"=>CLEAR
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TEXT('S')+128, IDC_STAT, // ":S"=>CTRL-S
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TEXT('M')+128, IDC_STORE, // ":M"=>CTRL-M
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TEXT('P')+128, IDC_MPLUS, // ":P"=>CTRL-P
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TEXT('C')+128, IDC_MCLEAR, // ":C"=>CTRL-C
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TEXT('R')+128, IDC_RECALL, // ":R"=>CTRL-R
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TEXT('A')+128, IDC_AVE, // ":A"=>CTRL-A
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TEXT('T')+128, IDC_B_SUM, // ":T"=>CTRL-T
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TEXT('D')+128, IDC_DEV, // ":D"=>CTRL-D
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TEXT('2')+128, IDC_DWORD, // ":2"=>F2 IDC_DWORD
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TEXT('3')+128, IDC_RAD, // ":3"=>F3 IDC_WORD
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TEXT('4')+128, IDC_GRAD, // ":4"=>F4 IDC_BYTE
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TEXT('5')+128, IDC_HEX, // ":5"=>F5
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TEXT('6')+128, IDC_DEC, // ":6"=>F6
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TEXT('7')+128, IDC_OCT, // ":7"=>F7
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TEXT('8')+128, IDC_BIN, // ":8"=>F8
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TEXT('9')+128, IDC_SIGN, // ":9"=>F9
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TEXT('9')+3+128, IDC_QWORD // ":9"+2=>F12 (64 bit)
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};
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switch (nFunc)
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{
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case IDM_COPY:
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{
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TCHAR szJunk[256];
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// Copy the string into a work buffer. It may be modified.
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if (gbRecord)
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CIO_vConvertToString(&gpszNum, &gcio, nRadix);
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lstrcpy(szJunk, gpszNum);
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// Strip a trailing decimal point if it wasn't explicitly entered.
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if (!gbRecord || !CIO_bDecimalPt(&gcio))
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{
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nx = lstrlen(szJunk);
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if (szJunk[nx - 1] == szDec[0])
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szJunk[nx - 1] = 0;
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}
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/* Copy text to the clipboard through the hidden edit control.*/
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SetWindowText(hEdit, szJunk);
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SendMessage(hEdit, EM_SETSEL, 0, -1); // select all text
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SendMessage(hEdit, WM_CUT, 0, 0L);
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break;
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}
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case IDM_PASTE:
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{
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HANDLE hClipData;
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char * lpClipData;
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char * lpEndOfBuffer; // used to ensure we don't GPF even if the clipboard data isn't NULL terminated
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WORD b, bLast;
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INT nControl;
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BOOL bNeedIDC_SIGN = FALSE;
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/* Get a handle on the clipboard data and paste by sending the*/
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/* contents one character at a time like it was typed. */
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if (!OpenClipboard(g_hwndDlg))
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{
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MessageBox(g_hwndDlg, rgpsz[IDS_NOPASTE], rgpsz[IDS_CALC],
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MB_OK | MB_ICONEXCLAMATION);
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break;
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}
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hClipData=GetClipboardData(CF_TEXT);
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if (hClipData)
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{
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lpClipData=(char *)GlobalLock(hClipData);
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if (lpClipData)
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{
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lpEndOfBuffer = lpClipData + GlobalSize(hClipData);
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bLast=0;
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/* Continue this as long as no error occurs. If one */
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/* does then it's useless to continue pasting. */
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while (!bError && lpClipData < lpEndOfBuffer)
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{
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// we know that lpClipData points to a NULL terminated ansi
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// string because this is the format we requested the data in.
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// As a result we call CharNextA.
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b = *lpClipData;
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lpClipData = CharNextA( lpClipData );
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/* Skip spaces and LF and CR. */
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if (b==32 || b==10 || b==13 || b==gszSep[0])
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continue;
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/* We're done if we get to a NULL character */
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if ( b==0 )
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break;
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if (b == szDec[0])
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{
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bLast = b;
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b = IDC_PNT;
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goto MappingDone;
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}
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/*-----------------------------------------------------------------------------;
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; Now we will check for certain special cases. These are: ;
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; ;
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; (1) Unary Minus. If bLast is still 0 and b is '-' we will force b to ;
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; be the code for 'SIGN'. ;
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; (2) If b is 'x' we will make it the code for EXP ;
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; (3) if bLast is 'x' and b is '+' we will ignore b, as '+' is the dflt. ;
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; (4) if bLast is 'x' and b is '-' we will force b to be SIGN. ;
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; ;
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; In case (3) we will go back to the top of the loop else we will jmp off ;
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; to the sendmessage point, bypassing the table lookup. ;
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;-----------------------------------------------------------------------------*/
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/* check for unary minuses */
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if (!bLast && b == TEXT('-'))
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{
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/* Doesn't work.
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bLast = b ;
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b = IDC_SIGN ;
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goto MappingDone ;
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*/
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bNeedIDC_SIGN = TRUE ;
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continue ;
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}
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/* check for 'x' */
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if ((b == TEXT('x') || b == TEXT('e')) && nRadix == 10)
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{
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bLast = TEXT('x') ;
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b = IDC_EXP ;
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goto MappingDone ;
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}
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/* if the last character was a 'x' & this is '+' - ignore */
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if (bLast==TEXT('x') && b ==TEXT('+') && nRadix == 10)
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continue ;
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/* if the last character was a 'x' & this is '-' - change
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it to be the code for SIGN */
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if (bLast==TEXT('x') && b==TEXT('-') && nRadix == 10)
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{
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bLast = b ;
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b = IDC_SIGN ;
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goto MappingDone ;
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}
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/* -by- AmitC */
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/*--------------------------------------------------------------------------*/
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/* Check for control character. */
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if (bLast==TEXT(':'))
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nControl=128;
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else
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nControl=0;
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bLast=b;
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if (b==TEXT(':'))
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continue;
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b=toupper(b)+nControl;
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nx=0;
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while (b!=rgbMap[nx*2] && nx < CHARSCAN)
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nx++;
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if (nx==CHARSCAN)
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break;
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b=(WORD)rgbMap[(nx*2)+1];
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if (nRadix != 10)
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{
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switch(b)
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{
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case IDC_DEG:
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case IDC_RAD:
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case IDC_GRAD:
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b=IDC_DWORD+(b-IDC_DEG);
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break;
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}
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}
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// REVIEW NOTE:
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// Conversion of IDC_MOD to IDC_PERCENT done in WM_COMMAND
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// processing so that keyboard accelerator and paste are
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// handled in the same place. The old conversion was broken
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// anyway and actually happened in
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MappingDone:
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/* Send the message to the window. */
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SendMessage(g_hwndDlg, WM_COMMAND, GET_WM_COMMAND_MPS(b, 0, 1));
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/* Note that we may need to apply the "+/-" key (IDC_SIGN)
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now. (If it had been applied earlier, it would have
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been ignored.) Note further that it can't be applied if we
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have seen only the "-0" of something like "-0.1". */
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if(bNeedIDC_SIGN && (IDC_0 != b))
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{
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SendMessage(g_hwndDlg, WM_COMMAND, GET_WM_COMMAND_MPS(IDC_SIGN, 0, 1));
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bNeedIDC_SIGN = FALSE;
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}
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}
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GlobalUnlock(hClipData);
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}
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}
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CloseClipboard();
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break;
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}
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case IDM_ABOUT:
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/* Start the About Box. */
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if(ShellAbout(g_hwndDlg, rgpsz[IDS_CALC], NULL, LoadIcon(hInst, (LPTSTR)TEXT("SC"))) == -1)
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MemErrorMessage();
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break;
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case IDM_SC:
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case IDM_SSC:
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{
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INT nTemp;
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TCHAR szWinIni[2];
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nTemp = (INT) nFunc - IDM_SC;
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if (nCalc != nTemp)
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{
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szWinIni[0] = TEXT('0') + nTemp;
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szWinIni[1]=0;
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WriteProfileString(szAppName, TEXT("layout"), szWinIni);
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if (hStatBox && !nCalc)
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SetStat(FALSE);
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nCalc = nTemp;
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InitSciCalc(TRUE);
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}
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break;
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}
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case IDM_USE_SEPARATOR:
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{
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gbUseSep = !gbUseSep;
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CheckMenuItem(g_hDecMenu, IDM_USE_SEPARATOR,
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MF_BYCOMMAND|(gbUseSep ? MF_CHECKED : MF_UNCHECKED));
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if (g_hHexMenu)
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{
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CheckMenuItem(g_hHexMenu, IDM_USE_SEPARATOR,
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MF_BYCOMMAND | \
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(gbUseSep ? MF_CHECKED:MF_UNCHECKED));
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}
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WriteProfileString(szAppName,TEXT("UseSep"),
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(gbUseSep ? TEXT("1") : TEXT("0")));
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break;
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}
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case IDM_HELPTOPICS:
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HtmlHelp(GetDesktopWindow(), rgpsz[IDS_CHMHELPFILE], HH_DISPLAY_TOPIC, 0L);
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break;
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}
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return;
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}
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