190 lines
5.4 KiB
C
190 lines
5.4 KiB
C
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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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/*** sciset.c ***/
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/*** ***/
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/*** Functions contained: ***/
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/*** SetRadix--Changes the number base and the radiobuttons. ***/
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/*** SetBox--Handles the checkboxes for inv/hyp. ***/
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/*** ***/
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/*** Functions called: ***/
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/*** none ***/
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/*** ***/
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/*** History:
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*** 12-Dec-1996 JonPa - Added SetMaxIntDigits
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*** Whenever-97 ToddB - Removed SetMaxIntDigits
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*/
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#include "scicalc.h"
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#include "unifunc.h"
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extern TCHAR szBlank[6];
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extern INT gcIntDigits;
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extern TCHAR *rgpsz[CSTRINGS];
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extern TCHAR szDec[];
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extern RECT rcDeg[6];
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extern HMENU g_hDecMenu;
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extern HMENU g_hHexMenu;
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long oldRadix = (unsigned)-1;
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void ActivateButtons()
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{
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static int aDecOnlyKeys[] = { IDC_FE, IDC_DMS, IDC_SIN, IDC_COS, IDC_TAN, IDC_EXP, IDC_PI }; // controls used only in Decimal mode
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if (oldRadix != nRadix)
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{
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int i;
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BOOL bDecMode = (nRadix == 10);
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// Only send messages to the the "Decimal Only keys" if this change in
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// base effects those keys
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if ((oldRadix == 10) || bDecMode)
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{
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// we are changing to or from decimal mode
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for ( i = 0; i <= ARRAYSIZE(aDecOnlyKeys) ; i++ )
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{
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EnableWindow( GetDlgItem(g_hwndDlg, aDecOnlyKeys[i]),
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bDecMode );
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}
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}
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// insure that nRadix is within the allowed range
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ASSERT( (nRadix >= 2) && (nRadix <= 16) );
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// turn on digit keys less than nRadix and turn off digit keys >= nRadix
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for (i=2; i<nRadix; i++)
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EnableWindow( GetDlgItem(g_hwndDlg, IDC_0+i), TRUE );
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for ( ; i<16; i++ )
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EnableWindow( GetDlgItem(g_hwndDlg, IDC_0+i), FALSE );
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}
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oldRadix = nRadix;
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}
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// SetRadix sets the display mode according to the selected button.
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// ToddB: As a hack to allow setting other bases, wRadix can be one of
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// the base buttons OR it can be the desired nRadix.
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// MAXIUM: for Dec the precision is limited to the nPrecision,
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// otherwise it is limited to the word size.
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VOID NEAR SetRadix(DWORD wRadix)
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{
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static INT nRadish[4]={2,8,10,16}; /* Number bases. */
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int id=IDM_DEC;
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// convert special bases into symbolic values
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switch ( wRadix )
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{
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case 2:
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id=IDM_BIN;
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break;
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case 8:
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id=IDM_OCT;
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break;
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case 10:
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id=IDM_DEC;
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break;
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case 16:
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id=IDM_HEX;
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break;
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case IDM_HEX:
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case IDM_DEC:
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case IDM_OCT:
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case IDM_BIN:
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id=wRadix;
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wRadix = nRadish[IDM_BIN - wRadix];
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break;
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}
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// we select which group of toggles we are setting, decimal mode gets the
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// angular notation buttons (deg, rad, grad) otherwise we get the word size
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// buttons (dword, word, byte)
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SwitchModes(wRadix, nDecMode, nHexMode);
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CheckMenuRadioItem(GetSubMenu(GetMenu(g_hwndDlg),1),IDM_HEX,IDM_BIN,id,
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MF_BYCOMMAND);
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CheckRadioButton(g_hwndDlg,IDM_HEX, IDM_BIN, id);
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nRadix = wRadix;
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// inform ratpak that a change in base or precision has occured
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BaseOrPrecisionChanged();
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// update the UI elements to the correct state
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ActivateButtons();
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// display the correct number for the new state (ie convert displayed
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// number to correct base)
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DisplayNum();
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}
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// Check/uncheck the visible inverse/hyperbolic
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VOID NEAR SetBox (int id, BOOL bOnOff)
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{
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CheckDlgButton(g_hwndDlg, id, (WORD) bOnOff);
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return;
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}
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// Description:
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// This will switch the displayed/enabled mode buttons. This also updates
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// The switches the menu under view and sets the correct state.
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void
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SwitchModes(DWORD wRadix, int nDecMode, int nHexMode)
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{
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int iID, id;
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if (10 == wRadix)
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{
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id=IDM_DEG+nDecMode;
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if (NULL != g_hDecMenu)
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SetMenu(g_hwndDlg, g_hDecMenu);
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CheckMenuRadioItem(g_hDecMenu, IDM_DEG, IDM_GRAD, id, MF_BYCOMMAND);
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CheckRadioButton(g_hwndDlg,IDC_DEG, IDC_GRAD, id);
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}
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else
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{
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id=IDM_QWORD+nHexMode;
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if (NULL != g_hHexMenu)
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SetMenu(g_hwndDlg, g_hHexMenu);
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CheckMenuRadioItem(g_hHexMenu, IDM_QWORD, IDM_BYTE, id, MF_BYCOMMAND);
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CheckRadioButton(g_hwndDlg,IDC_QWORD, IDC_BYTE, id);
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}
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for (iID = IDC_QWORD; iID <= IDC_BYTE; iID++)
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{
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EnableWindow( GetDlgItem( g_hwndDlg, iID ), (wRadix != 10) );
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ShowWindow( GetDlgItem( g_hwndDlg, iID ),
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(wRadix == 10) ? SW_HIDE : SW_SHOW );
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}
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for (iID = IDC_DEG; iID <= IDC_GRAD; iID++)
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{
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EnableWindow( GetDlgItem( g_hwndDlg, iID ), (wRadix == 10) );
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ShowWindow( GetDlgItem( g_hwndDlg, iID ),
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(wRadix != 10) ? SW_HIDE : SW_SHOW );
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}
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}
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