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OS/2 Shareware BBS: 10 Tools
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STY_EDIT.C
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C/C++ Source or Header
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1995-08-24
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263 lines
/*************************************************************************
*
* File Name : STY_EDIT.C
*
* Description : This module contains the code for the WM_COMMAND
* messages posted by the standard edit menu.
*
* Concepts : Demonstrates the cut, paste, copy, undo, and
* clear features of an MLE control.
* BIDI - Added: Bidirectional Language processing sample code.
*
* API's : WinSendMsg
*
* Copyright (C) 1992 IBM Corporation
*
* DISCLAIMER OF WARRANTIES. The following [enclosed] code is
* sample code created by IBM Corporation. This sample code is not
* part of any standard or IBM product and is provided to you solely
* for the purpose of assisting you in the development of your
* applications. The code is provided "AS IS", without
* warranty of any kind. IBM shall not be liable for any damages
* arising out of your use of the sample code, even if they have been
* advised of the possibility of such damages. *
*
************************************************************************/
/* Include files, macros, defined constants, and externs */
#define INCL_WIN
#include <os2.h>
#include <pmbidi.h>
#include <string.h>
#include "sty_main.h"
#include "sty_xtrn.h"
extern LONG lClrForeground; /* color for window text */
extern LONG lClrBackground; /* color for background */
CHAR szPasteText[80];
//CHAR szCopyVisualText[] = "ABCDâéüÇ";
//CHAR szCopyImplicitText[] = "ABCDÇüéâ";
CHAR szCopyVisualText[128] ;
CHAR szCopyImplicitText[128];
/*********************************************************************
* Name: EditCopy
*
* Description : Processes the Edit menu's Copy item.
*
* Concepts : Called whenever Copy from the Edit menu is selected
* Sends a MLM_COPY message to the MLE control.
*
* API's : WinSendMsg
*
* Parameters : mp1 - Message parameter
* : mp2 - Message parameter
*
* Returns: Void
*
****************************************************************/
VOID EditCopy(MPARAM mp1, MPARAM mp2)
{
HAB hab;
PCHAR pchClipText, pText;
APIRET rc;
ULONG BidiAttr;
BOOL fSetClipAttr;
LONG Offset =0;
rc = DosAllocSharedMem ( (PPVOID) &pchClipText,
NULL,
sizeof(szPasteText),
(PAG_READ | PAG_WRITE | PAG_COMMIT | OBJ_GIVEABLE) );
if (rc) {
DosBeep(100,100);
return;
} /* endif */
hab = WinQueryAnchorBlock( hwndMain);
//BIDI
//
// Load the national strings from the resource file.
// These will be copied to the clipbaord.
//
if (WinQueryCp(HMQ_CURRENT) == 864) Offset = ARA_OFF;
WinLoadString( hab, NULLHANDLE, IDS_COPYVISUALTEXT+Offset,
127, szCopyVisualText);
WinLoadString( hab, NULLHANDLE, IDS_COPYIMPLICITTEXT+Offset,
127, szCopyImplicitText);
//
// Check if we have to SET the Clipboard Bidi Attribute
// and if so, with which value.
//
switch(SHORT1FROMMP(mp1)) {
case IDM_EDITCOPY_NOCONV:
BidiAttr = 0L;
pText = szCopyImplicitText;
fSetClipAttr = TRUE;
break;
case IDM_EDITCOPY_CONV_VISUAL:
BidiAttr = BDA_TEXTTYPE_VISUAL | BDA_INIT | BDA_LEVEL ;
pText = szCopyVisualText;
fSetClipAttr = TRUE;
break;
case IDM_EDITCOPY_CONV_IMPLICIT:
BidiAttr = BDA_TEXTTYPE_IMPLICIT | BDA_INIT | BDA_LEVEL;
pText = szCopyImplicitText;
fSetClipAttr = TRUE;
break;
case IDM_EDITCOPY_AUTOCONV:
default:
pText = szCopyImplicitText;
fSetClipAttr = FALSE;
break;
} /* end switch*/
//
// Copy the 'relevant' text to the memory that we are
// going to hand to the clipboard.
//
strcpy(pchClipText, pText );
/* Now, make give this text to the clipboard. */
hab = WinQueryAnchorBlock( hwndMain);
WinOpenClipbrd ( hab ) ;
WinEmptyClipbrd ( hab ) ;
WinSetClipbrdData ( hab, (ULONG) pchClipText, CF_TEXT, CFI_POINTER) ;
//
// If conversion is required, mark what kind of conversion
// (or none) is required.
//
if (fSetClipAttr)
WinSetLangInfo (NULLHANDLE,
LI_BD_CLIP_ATTR,
BidiAttr,
0L,
(ULONG)CF_TEXT,
0L);
WinCloseClipbrd ( hab ) ;
} /* End of EditCopy() */
/*********************************************************************
* Name: EditPaste
*
* Description : Processes the Edit menu's Paste item.
*
* Concepts : Called whenever Paste from the Edit menu is selected
* Sends a MLM_PASTE message to the MLE control.
*
* API's : WinSendMsg
*
* Parameters : mp2 - Message parameter
*
* Returns: Void
*
****************************************************************/
VOID EditPaste(MPARAM mp1, MPARAM mp2)
{
HAB hab;
PCHAR pchClipText;
APIRET rc;
ULONG BidiAttr;
BOOL fSetClipConv;
PCHAR pCompareText;
BOOL fSuccess;
szPasteText[0] = '\0'; /* Init */
//
// Check if we have to set the 'Clipboard Conversion'
// BidiAttribute, and if so - to which value.
//
switch(SHORT1FROMMP(mp1)) {
case IDM_EDITPASTE_NOCONV:
BidiAttr = 0L;
fSetClipConv = TRUE;
pCompareText = szCopyImplicitText;
break;
case IDM_EDITPASTE_CONV_VISUAL:
BidiAttr = BDA_TEXTTYPE_VISUAL | BDA_INIT| BDA_LEVEL;
fSetClipConv = TRUE;
pCompareText = szCopyVisualText;
break;
case IDM_EDITPASTE_CONV_IMPLICIT:
BidiAttr = BDA_TEXTTYPE_IMPLICIT | BDA_INIT| BDA_LEVEL;
fSetClipConv = TRUE;
pCompareText = szCopyImplicitText;
break;
case IDM_EDITPASTE_AUTOCONV:
default:
BidiAttr = 0L;
fSetClipConv = FALSE;
pCompareText = szCopyImplicitText;
} /* end switch */
hab = WinQueryAnchorBlock( hwndMain);
WinOpenClipbrd ( hab ) ;
//
// Here we set (if necessary) the clipboard conversion attr
//
if (fSetClipConv == TRUE)
WinSetLangInfo (NULLHANDLE,
LI_BD_CLIP_CONV_ATTR,
BidiAttr,
0L,
(ULONG)CF_TEXT,
0L);
pchClipText = (PCHAR) WinQueryClipbrdData (hab, CF_TEXT ) ;
if (pchClipText != 0) {
//
// Get the clipboard text, and compare it to pCompareText.
//
strcpy(szPasteText, pchClipText);
//if (strcmp( szPasteText, pCompareText) != 0) {
// fSuccess = FALSE;
//} else {
// fSuccess = TRUE; // Good!
//}
//
//ReportTestResult(HWND_DESKTOP, fSuccess);
} /* endif */
WinCloseClipbrd ( hab ) ;
WinInvalidateRect(hwndMain, NULL, FALSE);
} /* End of EditPaste() */