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827 lines
21 KiB
827 lines
21 KiB
/*** winclip.c - windows clipboard editor extension
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*
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* Copyright <C> 1988, Microsoft Corporation
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*
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* Purpose:
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* Contains the tglcase function.
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*
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* Revision History:
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*
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* 28-Jun-1988 LN Created
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* 12-Sep-1988 mz Made WhenLoaded match declaration
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*
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*************************************************************************/
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#include <windows.h>
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#include <stdlib.h> /* min macro definition */
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#include <string.h> /* prototypes for string fcns */
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#undef pascal
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#include "zext.h"
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#define M_FALSE ((flagType)0)
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#define M_TRUE ((flagType)(-1))
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#define BUFLEN_MAX (BUFLEN-1)
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/*
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** Internal function prototypes
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*/
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#ifdef DEBUG
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#define DPRINT(p) DoMessage(p)
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#else
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#define DPRINT(p)
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#endif
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HWND ghwndClip;
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HINSTANCE ghmod;
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int gfmtArgType;
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void DeleteArg( PFILE pFile, int argType, COL xStart, LINE yStart,
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COL xEnd, COL yEnd );
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void InsertText( PFILE pFile, LPSTR pszText, DWORD dwInsMode,
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COL xStart, LINE yStart );
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flagType pascal EXTERNAL WinCutCopy (ARG *pArg, flagType fCut, flagType fClip);
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LPSTR EndOfLine( LPSTR psz );
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LPSTR EndOfBreak( LPSTR psz );
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int ExtendLine( LPSTR psz, int cchSZ, char ch, int cchNew );
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/*************************************************************************
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**
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** wincopy
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** Toggle the case of alphabetics contaied within the selected argument:
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**
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** NOARG - Toggle case of entire current line
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** NULLARG - Toggle case of current line, from cursor to end of line
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** LINEARG - Toggle case of range of lines
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** BOXARG - Toggle case of characters with the selected box
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** NUMARG - Converted to LINEARG before extension is called.
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** MARKARG - Converted to Appropriate ARG form above before extension is
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** called.
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**
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** STREAMARG - Not Allowed. Treated as BOXARG
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** TEXTARG - Not Allowed
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**
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*/
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flagType
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pascal
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EXTERNAL
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wincopy (
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unsigned int argData, /* keystroke invoked with */
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ARG *pArg, /* argument data */
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flagType fMeta /* indicates preceded by meta */
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)
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{
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return WinCutCopy( pArg, M_FALSE, M_FALSE );
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}
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flagType
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pascal
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EXTERNAL
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wincut (
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unsigned int argData, /* keystroke invoked with */
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ARG *pArg, /* argument data */
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flagType fMeta /* indicates preceded by meta */
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)
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{
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return WinCutCopy( pArg, M_TRUE, fMeta );
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}
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flagType
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pascal
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EXTERNAL
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WinCutCopy (
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ARG *pArg,
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flagType fCut,
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flagType fNoClip
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)
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{
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PFILE pFile; /* file handle of current file */
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COL xStart, xEnd;
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LINE yStart, yEnd;
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char achLine[BUFLEN];
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HANDLE hText;
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LPSTR pszText;
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int iLine, cchLine;
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flagType fRet = M_TRUE;
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int argSave, argType;
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pFile = FileNameToHandle ("", "");
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argSave = argType = pArg->argType;
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switch ( argType ) {
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case BOXARG: /* case switch box */
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xStart = pArg->arg.boxarg.xLeft;
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xEnd = pArg->arg.boxarg.xRight + 1;
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yStart = pArg->arg.boxarg.yTop;
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yEnd = pArg->arg.boxarg.yBottom + 1;
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/* At this point...
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* [xy]Start is Inclusive, [xy]End is EXCLUSIVE of the box arg
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*/
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#ifdef DEBUG
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wsprintf( achLine, " BoxDims : %d %d %d %d ", (int)xStart, (int)yStart, (int)xEnd, (int)yEnd);
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DoMessage( achLine );
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#endif
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break;
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case NOARG:
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/* convert NOARG to a STREAMARG on whole current line */
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argType = STREAMARG;
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argSave = LINEARG;
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xStart = 0;
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yStart = pArg->arg.noarg.y;
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xEnd = 0;
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yEnd = yStart + 1;
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break;
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case TEXTARG:
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/*
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* Text args are only for real text. NumArgs and MarkArgs are
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* converted to stream or box args by the editor since we say
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* we accept NUMARG and MARKARG during initialization.
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*/
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argType = STREAMARG;
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argSave = STREAMARG;
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xStart = pArg->arg.textarg.x;
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xEnd = lstrlen(pArg->arg.textarg.pText) + xStart;
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yStart = yEnd = pArg->arg.textarg.y;
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break;
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case LINEARG: /* case switch line range */
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/* convert LINEARG to a STREAMARG so we don't get lots of white space*/
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argType = STREAMARG;
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xStart = 0;
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xEnd = 0;
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yStart = pArg->arg.linearg.yStart;
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yEnd = pArg->arg.linearg.yEnd + 1;
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#ifdef DEBUG
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wsprintf( achLine, " LineDims : %d %d %d %d ", (int)xStart, (int)yStart, (int)xEnd, (int)yEnd);
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DoMessage( achLine );
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#endif
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/* At this point...
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* [xy]Start is Inclusive, [xy]End is EXCLUSIVE of the line arg
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*/
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break;
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case STREAMARG:
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/*
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* Set Start == first char pos in stream, End == first char pos
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* AFTER stream.
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*/
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xStart = pArg->arg.streamarg.xStart;
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xEnd = pArg->arg.streamarg.xEnd;
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yStart = pArg->arg.streamarg.yStart;
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yEnd = pArg->arg.streamarg.yEnd;
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#ifdef DEBUG
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wsprintf( achLine, " StreamDims : %d %d %d %d ", (int)xStart, (int)yStart, (int)xEnd, (int)yEnd);
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DoMessage( achLine );
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#endif
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break;
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default:
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#ifdef DEBUG
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wsprintf( achLine, " Unknown Arg: 0x%04x", argType );
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DoMessage( achLine );
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return M_TRUE;
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#endif
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return M_FALSE;
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}
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if (!fNoClip) {
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if (argType == STREAMARG) {
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int cch = 0;
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int iChar;
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for ( iLine = yStart; iLine <= yEnd; iLine++ )
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cch += GetLine (iLine, achLine, pFile) + 3;
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hText = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, cch);
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if (hText == NULL) {
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DoMessage( " winclip: Out of Memory" );
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return M_FALSE;
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}
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pszText = GlobalLock(hText);
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iChar = xStart;
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for ( iLine = yStart; iLine < yEnd; iLine++ ) {
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cchLine = GetLine (iLine, achLine, pFile);
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/* Incase we start after the end of the line */
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if (cchLine < iChar)
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cch = 0;
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else
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cch = cchLine - iChar;
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CopyMemory(pszText, &achLine[iChar], cch);
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pszText += cch;
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strcpy( pszText, "\r\n" );
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pszText += 2;
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iChar = 0;
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}
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/* Get partial last line */
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if (xEnd != 0) {
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cchLine = GetLine (iLine, achLine, pFile);
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/* if line is short, then pad it out */
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cchLine = ExtendLine( achLine, cchLine, ' ', xEnd );
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if (cchLine < iChar)
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cchLine = 0;
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else
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cchLine = xEnd - iChar;
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CopyMemory(pszText, &achLine[iChar], cchLine);
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pszText += cchLine;
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}
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} else {
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LINE iLine;
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int cchBox = xEnd - xStart;
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hText = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,
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(yEnd - yStart) * (cchBox + 3));
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if (hText == NULL) {
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DoMessage( " winclip: Out of Memory" );
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return M_FALSE;
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}
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pszText = GlobalLock(hText);
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for ( iLine = yStart; iLine < yEnd; iLine++ ) {
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cchLine = GetLine (iLine, achLine, pFile);
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if (argType == BOXARG)
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cchLine = ExtendLine( achLine, cchLine, ' ', xEnd );
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if (cchLine < xStart )
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cchLine = 0;
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else
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cchLine -= xStart;
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cchLine = min(cchLine, cchBox);
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CopyMemory(pszText, &achLine[xStart], cchLine);
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pszText += cchLine;
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strcpy( pszText, "\r\n" );
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pszText += 2;
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}
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}
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*pszText = '\0';
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GlobalUnlock(hText);
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if (OpenClipboard(ghwndClip)) {
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EmptyClipboard();
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/*
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* Set the text into the clipboard
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*/
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if (SetClipboardData(CF_TEXT, hText) == hText) {
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/*
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* Remember the Arg type for pasting back
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*/
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if (gfmtArgType != 0) {
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DWORD *pdw;
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HANDLE hArgType = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,
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sizeof(DWORD));
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if (hArgType != NULL && (pdw = GlobalLock(hArgType)) != NULL) {
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*pdw = (DWORD)(argSave);
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GlobalUnlock(hArgType);
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SetClipboardData(gfmtArgType, hArgType);
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}
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}
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} else {
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/* An error occured writing text to clipboard */
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wsprintf(achLine, " winclip: Error (%ld) setting data",
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GetLastError());
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DoMessage( achLine );
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fRet = M_FALSE;
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}
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CloseClipboard();
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}
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}
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/*
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* No need to free the handle, USER32 will do it (yes it keeps
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* track of the client side handle) when we set the next clipboard
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* data. (Love that Win3.1 compatibility!)
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*/
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if (fRet && fCut)
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DeleteArg( pFile, argType, xStart, yStart, xEnd, yEnd );
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return fRet;
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}
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/*************************************************************************
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**
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** winpaste
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** Toggle the case of alphabetics contaied within the selected argument:
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**
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** NOARG - Toggle case of entire current line
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** NULLARG - Toggle case of current line, from cursor to end of line
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** LINEARG - Toggle case of range of lines
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** BOXARG - Toggle case of characters with the selected box
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|
** NUMARG - Converted to LINEARG before extension is called.
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** MARKARG - Converted to Appropriate ARG form above before extension is
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** called.
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**
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** STREAMARG - Not Allowed. Treated as BOXARG
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** TEXTARG - Not Allowed
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**
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*/
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flagType
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pascal
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EXTERNAL
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winpaste (
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unsigned int argData, /* keystroke invoked with */
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ARG *pArg, /* argument data */
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flagType fMeta /* indicates preceded by meta */
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)
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{
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PFILE pFile; /* file handle of current file */
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COL xStart, xEnd;
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LINE yStart, yEnd;
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int argType;
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UINT fmtData = CF_TEXT;
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DWORD dwInsMode = STREAMARG;
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HANDLE hText;
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LPSTR pszText;
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/*
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* Get the clipboard text and insertion type
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*/
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if (pArg->argType == TEXTARG) {
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int i, j;
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char achLine[3 + 1 + 3 + 1 + 1 + BUFLEN + 1 + 1 + 5 + 1];
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char *p;
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/*
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* Quick hack to make text arg pastes work like the do in Z
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*/
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j = pArg->arg.textarg.cArg;
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if (j > 2)
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j = 2;
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achLine[0] = '\0';
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for ( i = 0; i < j; i++ )
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lstrcat(achLine, "arg ");
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p = achLine + lstrlen(achLine);
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wsprintf( p, "\"%s\" paste", pArg->arg.textarg.pText );
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return fExecute( achLine );
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}
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/* if no text then return FALSE */
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if (!IsClipboardFormatAvailable(fmtData)) {
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/* No text, try display text */
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fmtData = CF_DSPTEXT;
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if (!IsClipboardFormatAvailable(fmtData)) {
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/* bummer! no text at all, return FALSE */
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DoMessage( " winclip: invalid clipboard format" );
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return M_FALSE;
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}
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}
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if (!OpenClipboard(ghwndClip))
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return M_FALSE;
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hText = GetClipboardData(fmtData);
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if (hText == NULL || (pszText = GlobalLock(hText)) == NULL) {
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CloseClipboard();
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return M_FALSE;
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}
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/* Get insert mode */
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if (IsClipboardFormatAvailable(gfmtArgType)) {
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DWORD *pdw;
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HANDLE hInsMode;
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hInsMode = GetClipboardData(gfmtArgType);
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if (hInsMode != NULL && (pdw = GlobalLock(hInsMode)) != NULL) {
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dwInsMode = *pdw;
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GlobalUnlock(hInsMode);
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}
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}
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pFile = FileNameToHandle ("", "");
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argType = pArg->argType;
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switch ( argType ) {
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case BOXARG: /* case switch box */
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/*
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* Set [xy]Start inclusive of box arg,
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* [xy]End exclusive of box arg.
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*/
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xStart = pArg->arg.boxarg.xLeft;
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xEnd = pArg->arg.boxarg.xRight + 1;
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yStart = pArg->arg.boxarg.yTop;
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yEnd = pArg->arg.boxarg.yBottom + 1;
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break;
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case LINEARG: /* case switch line range */
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/*
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* Set [xy]Start inclusive of line arg,
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* [xy]End exclusive of line arg.
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*/
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xStart = 0;
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xEnd = BUFLEN + 1;
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yStart = pArg->arg.linearg.yStart;
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yEnd = pArg->arg.linearg.yEnd + 1;
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break;
|
|
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case STREAMARG:
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/*
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* Set [xy]Start inclusive of stream
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* xEnd is EXCLUSIVE of stream
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* yEnd is INCLUSIVE of stream
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*/
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xStart = pArg->arg.streamarg.xStart;
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xEnd = pArg->arg.streamarg.xEnd;
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yStart = pArg->arg.streamarg.yStart;
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yEnd = pArg->arg.streamarg.yEnd;
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break;
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|
|
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case NOARG:
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xStart = pArg->arg.noarg.x;
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xEnd = xStart + 1;
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yStart = pArg->arg.noarg.y;
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yEnd = yStart + 1;
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|
break;
|
|
|
|
default:
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|
GlobalUnlock(hText);
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|
CloseClipboard();
|
|
return M_FALSE;
|
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}
|
|
|
|
|
|
/*
|
|
* Delete any selection
|
|
*/
|
|
DeleteArg( pFile, argType, xStart, yStart, xEnd, yEnd );
|
|
|
|
/*
|
|
* Insert new text with correct mode
|
|
*/
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|
InsertText( pFile, pszText, dwInsMode, xStart, yStart );
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|
|
|
GlobalUnlock(hText);
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|
CloseClipboard();
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|
|
|
return M_TRUE;
|
|
}
|
|
|
|
/*************************************************************************
|
|
**
|
|
** windel
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|
**
|
|
**
|
|
*/
|
|
flagType
|
|
pascal
|
|
EXTERNAL
|
|
windel (
|
|
unsigned int argData, /* keystroke invoked with */
|
|
ARG *pArg, /* argument data */
|
|
flagType fMeta /* indicates preceded by meta */
|
|
)
|
|
{
|
|
int argType = pArg->argType;
|
|
|
|
if (argType == NOARG)
|
|
return fExecute("delete");
|
|
|
|
if (argType == NULLARG) {
|
|
int c, x, y;
|
|
c = pArg->arg.nullarg.cArg;
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x = pArg->arg.nullarg.x;
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y = pArg->arg.nullarg.y;
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|
|
|
pArg->argType = STREAMARG;
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pArg->arg.streamarg.xStart = x;
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pArg->arg.streamarg.xEnd = 0;
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pArg->arg.streamarg.yStart = y;
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pArg->arg.streamarg.yEnd = y + 1;
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pArg->arg.streamarg.cArg = c;
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}
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|
|
|
return WinCutCopy (pArg, M_TRUE, fMeta);
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|
}
|
|
|
|
/*************************************************************************
|
|
**
|
|
** WhenLoaded
|
|
** Executed when extension gets loaded. Identify self & assign default
|
|
** keystroke.
|
|
**
|
|
** Entry:
|
|
** none
|
|
*/
|
|
void
|
|
winclipWhenLoaded ()
|
|
{
|
|
#if 0
|
|
WNDCLASS wc;
|
|
|
|
ghmod = GetModuleHandle(NULL);
|
|
|
|
wc.style = 0;
|
|
wc.lpfnWndProc = (WNDPROC)DefWindowProc;
|
|
wc.cbClsExtra = 0;
|
|
wc.cbWndExtra = 0;
|
|
wc.hInstance = ghmod;
|
|
wc.hIcon = NULL;
|
|
wc.hCursor = NULL;
|
|
wc.hbrBackground = NULL;
|
|
wc.lpszMenuName = NULL; /* Name of menu resource in .RC file. */
|
|
wc.lpszClassName = "WinClipWClass"; /* Name used in call to CreateWindow. */
|
|
|
|
if (RegisterClass(&wc) && (ghwndClip = CreateWindow( "WinClipWClass",
|
|
"ClipWindow", WS_OVERLAPPEDWINDOW, 0, 0, 0, 0, NULL, NULL,
|
|
ghmod, NULL)) == NULL ) {
|
|
DoMessage( " winclip: Initialization failed!" );
|
|
}
|
|
#else
|
|
ghwndClip = NULL; //assign clipboard to this thread instead
|
|
#endif
|
|
|
|
gfmtArgType = RegisterClipboardFormat( "Z Arg Type" );
|
|
}
|
|
|
|
|
|
void
|
|
DeleteArg(
|
|
PFILE pFile,
|
|
int argType,
|
|
COL xStart,
|
|
LINE yStart,
|
|
COL xEnd,
|
|
COL yEnd
|
|
)
|
|
{
|
|
|
|
switch ( argType ) {
|
|
|
|
case STREAMARG:
|
|
DelStream(pFile, xStart, yStart, xEnd, yEnd);
|
|
break;
|
|
|
|
case LINEARG:
|
|
DelStream(pFile, 0, yStart, 0, yEnd);
|
|
break;
|
|
|
|
|
|
case BOXARG: {
|
|
LINE iLine;
|
|
|
|
for ( iLine = yStart; iLine < yEnd; iLine++ ) {
|
|
DelStream( pFile, xStart, iLine, xEnd, iLine );
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
InsertText(
|
|
PFILE pFile,
|
|
LPSTR pszText,
|
|
DWORD dwInsMode,
|
|
COL xStart,
|
|
LINE yStart
|
|
)
|
|
{
|
|
char ch;
|
|
int cchLine, cchText, cchCopy;
|
|
LPSTR pszNL;
|
|
char achLine[BUFLEN];
|
|
char achEnd[BUFLEN];
|
|
|
|
switch ( dwInsMode ) {
|
|
case STREAMARG:
|
|
/*
|
|
* Split current line,
|
|
* tack first line from buffer to end of new line
|
|
* put the new lines in file
|
|
* shove the last line to the beggining of the 2nd half of the line
|
|
*/
|
|
DPRINT( " Stream Paste" );
|
|
if ( *pszText == '\0' )
|
|
break;
|
|
|
|
|
|
pszNL = EndOfLine(pszText);
|
|
|
|
cchLine = GetLine( yStart, achLine, pFile );
|
|
|
|
if (cchLine < xStart)
|
|
cchLine = ExtendLine( achLine, cchLine, ' ', xStart );
|
|
|
|
cchText = (int)(pszNL - pszText);
|
|
if (xStart + cchText >= BUFLEN_MAX) {
|
|
cchText = BUFLEN_MAX - xStart;
|
|
pszNL = pszText + cchText;
|
|
}
|
|
|
|
strcpy( achEnd, &achLine[xStart] );
|
|
cchLine -= xStart;
|
|
|
|
CopyMemory( &achLine[xStart], pszText, cchText );
|
|
cchText += xStart;
|
|
achLine[cchText] = '\0';
|
|
|
|
|
|
while ( *pszNL ) {
|
|
PutLine( yStart++, achLine, pFile );
|
|
CopyLine( NULL, pFile, 0, 0, yStart );
|
|
|
|
pszText = EndOfBreak(pszNL);
|
|
pszNL = EndOfLine(pszText);
|
|
|
|
cchText = (int)(pszNL - pszText);
|
|
|
|
CopyMemory( achLine, pszText, cchText );
|
|
achLine[cchText] = '\0';
|
|
}
|
|
|
|
cchCopy = 0;
|
|
if (cchLine + cchText > BUFLEN_MAX) {
|
|
cchCopy = (cchLine + cchText) - BUFLEN_MAX;
|
|
cchLine = cchLine - cchCopy;
|
|
}
|
|
|
|
CopyMemory( &achLine[cchText], achEnd, cchLine );
|
|
achLine[cchLine+cchText] = '\0';
|
|
PutLine( yStart++, achLine, pFile );
|
|
|
|
if (cchCopy != 0) {
|
|
CopyLine( NULL, pFile, 0, 0, yStart );
|
|
CopyMemory( achLine, &achEnd[cchLine], cchCopy );
|
|
achLine[cchCopy] = '\0';
|
|
PutLine( yStart++, achLine, pFile);
|
|
}
|
|
break;
|
|
|
|
case BOXARG:
|
|
/*
|
|
* Insert the text as a block into the middle of each line.
|
|
* This could be tricky since we need to pad all short lines
|
|
* out with spaces to match the lenght of the longest line
|
|
* in the text.
|
|
*/
|
|
|
|
DPRINT( " Box Paste" );
|
|
while ( *pszText ) {
|
|
pszNL = EndOfLine(pszText);
|
|
|
|
cchLine = GetLine( yStart, achLine, pFile );
|
|
|
|
if (cchLine < xStart)
|
|
cchLine = ExtendLine( achLine, cchLine, ' ', xStart );
|
|
|
|
cchText = (int)(pszNL - pszText);
|
|
if (cchLine + cchText > BUFLEN_MAX)
|
|
cchText = BUFLEN_MAX - cchLine;
|
|
|
|
/* insert text in middle of line */
|
|
strcpy( achEnd, &achLine[xStart] );
|
|
CopyMemory( &achLine[xStart], pszText, cchText );
|
|
strcpy( &achLine[xStart + cchText], achEnd );
|
|
|
|
/* put line in file */
|
|
PutLine( yStart++, achLine, pFile );
|
|
|
|
pszText = EndOfBreak(pszNL);
|
|
}
|
|
break;
|
|
|
|
case LINEARG:
|
|
/*
|
|
* shove the lines in the buffer before the current line
|
|
*/
|
|
DPRINT( " Line Paste" );
|
|
while ( *pszText ) {
|
|
pszNL = EndOfLine(pszText);
|
|
ch = *pszNL;
|
|
*pszNL = '\0';
|
|
CopyLine( NULL, pFile, 0, 0, yStart );
|
|
PutLine( yStart++, pszText, pFile);
|
|
*pszNL = ch;
|
|
pszText = EndOfBreak(pszNL);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
LPSTR
|
|
EndOfLine(
|
|
LPSTR psz
|
|
)
|
|
{
|
|
int c;
|
|
|
|
c = 0;
|
|
while ( *psz && *psz != '\r' && *psz != '\n' && c++ < BUFLEN_MAX )
|
|
psz++;
|
|
|
|
return psz;
|
|
}
|
|
|
|
LPSTR
|
|
EndOfBreak(
|
|
LPSTR psz
|
|
)
|
|
{
|
|
char chSkip;
|
|
|
|
switch ( *psz ) {
|
|
case '\r':
|
|
chSkip = '\n';
|
|
break;
|
|
|
|
case '\n':
|
|
chSkip = '\r';
|
|
break;
|
|
|
|
default:
|
|
return psz;
|
|
|
|
}
|
|
|
|
if (*(++psz) == chSkip)
|
|
psz++;
|
|
|
|
return psz;
|
|
}
|
|
|
|
|
|
int
|
|
ExtendLine(
|
|
LPSTR psz,
|
|
int cchLine,
|
|
char ch,
|
|
int cchTotal
|
|
)
|
|
{
|
|
|
|
if ( cchLine >= cchTotal )
|
|
return cchLine;
|
|
|
|
if (cchTotal > BUFLEN_MAX)
|
|
cchTotal = BUFLEN_MAX;
|
|
|
|
psz = &psz[cchLine];
|
|
|
|
while ( cchLine++ < cchTotal )
|
|
*psz++ = ch;
|
|
|
|
*psz = '\0';
|
|
|
|
return cchLine;
|
|
}
|