978 lines
24 KiB
C
978 lines
24 KiB
C
/*
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* Notepad
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*
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* Copyright 2000 Mike McCormack <Mike_McCormack@looksmart.com.au>
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* Copyright 1997,98 Marcel Baur <mbaur@g26.ethz.ch>
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* To be distributed under the Wine License
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*
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* FIXME,TODO list:
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* - Use wine Heap instead of malloc/free (done)
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* - use scroll bars (vertical done)
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* - cut 'n paste (clipboard)
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* - save file
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* - print file
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* - find dialog
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* - encapsulate data structures (?) - half done
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* - free unused memory
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* - solve Open problems
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* - smoother scrolling
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* - seperate view code and document code
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*
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* This program is intended as a testbed for winelib as much as
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* a useful application.
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*/
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#include <stdio.h>
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#include "windows.h"
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#ifdef LCC
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#include "lcc.h"
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#endif
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#include "main.h"
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#include "license.h"
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#include "dialog.h"
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#include "language.h"
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extern BOOL DoCloseFile(void);
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extern void DoOpenFile(LPCSTR szFileName);
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NOTEPAD_GLOBALS Globals;
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/* Using a pointer to pointer data structure to
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achieve a little more efficiency. Hopefully
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it will be worth it, because it complicates the
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code - mjm 26 Jun 2000 */
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#define BUFFERCHUNKSIZE 0xe0
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typedef struct TAGLine {
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LPSTR lpLine;
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DWORD dwWidth;
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DWORD dwMaxWidth;
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} LINE, *LPLINE;
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/* FIXME: make this info into a structure */
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/* typedef struct tagBUFFER { */
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DWORD dwVOffset=0;
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DWORD dwLines=0;
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DWORD dwMaxLines=0;
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LPLINE lpBuffer=NULL;
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DWORD dwXpos=0,dwYpos=0; /* position of caret in char coords */
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DWORD dwCaretXpos=0,dwCaretYpos=0; /* position of caret in pixel coords */
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TEXTMETRIC tm; /* textmetric for current font */
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RECT rectClient; /* client rectangle of the window we're drawing in */
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/* } BUFFER, *LPBUFFER */
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VOID InitFontInfo(HWND hWnd)
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{
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HDC hDC = GetDC(hWnd);
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if(hDC)
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{
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GetTextMetrics(hDC, &tm);
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ReleaseDC(hWnd,hDC);
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}
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}
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void InitBuffer(void)
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{
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lpBuffer = NULL;
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dwLines = 0;
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dwMaxLines = 0;
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dwXpos=0;
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dwYpos=0;
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}
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/* convert x,y character co-ords into x pixel co-ord */
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DWORD CalcStringWidth(HDC hDC, DWORD x, DWORD y)
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{
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DWORD len;
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SIZE size;
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size.cx = 0;
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size.cy = 0;
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if(y>dwLines)
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return size.cx;
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if(lpBuffer == NULL)
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return size.cx;
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if(lpBuffer[y].lpLine == NULL)
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return size.cx;
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len = (x<lpBuffer[y].dwWidth) ?
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x : lpBuffer[y].dwWidth;
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GetTextExtentPoint(hDC, lpBuffer[y].lpLine, len, &size);
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return size.cx;
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}
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void CalcCaretPos(HDC hDC, DWORD dwXpos, DWORD dwYpos)
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{
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dwCaretXpos = CalcStringWidth(hDC, dwXpos, dwYpos);
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dwCaretYpos = tm.tmHeight*(dwYpos-dwVOffset);
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SetCaretPos(dwCaretXpos,dwCaretYpos);
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}
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DWORD GetLinesPerPage(HWND hWnd)
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{
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return (rectClient.bottom/tm.tmHeight); /* round down */
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}
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/* render one line of text and blank space */
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void RenderLine(HDC hDC, DWORD lineno)
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{
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RECT rect;
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HBRUSH hPrev;
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if(!hDC)
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return;
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/* erase the space at the end of a line using a white rectangle */
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rect.top = tm.tmHeight*(lineno-dwVOffset);
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rect.bottom = tm.tmHeight*(lineno-dwVOffset+1);
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if(lpBuffer && (lineno<dwLines))
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rect.left = CalcStringWidth(hDC, lpBuffer[lineno].dwWidth,lineno);
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else
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rect.left = 0;
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rect.right = rectClient.right;
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/* use the white pen so there's not outline */
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hPrev = SelectObject(hDC, GetStockObject(WHITE_PEN));
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Rectangle(hDC, rect.left, rect.top, rect.right, rect.bottom);
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SelectObject(hDC, hPrev);
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if(lpBuffer && lpBuffer[lineno].lpLine)
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{
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TextOut(hDC, 0, rect.top, lpBuffer[lineno].lpLine,
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lpBuffer[lineno].dwWidth);
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}
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}
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/*
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* Paint the buffer onto the window.
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*/
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void RenderWindow(HDC hDC) {
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DWORD i;
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if(!hDC)
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return;
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/* FIXME: render only necessary lines */
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for(i = dwVOffset; i < (dwVOffset+GetLinesPerPage(0)); i++)
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{
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RenderLine(hDC,i);
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}
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}
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/*
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* Check that correct buffers exist to access line y pos x
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* Only manages memory.
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*
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* Returns TRUE if the line is accessable
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* FALSE if there is a problem
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*/
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BOOL ValidateLine(DWORD y,DWORD x)
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{
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DWORD max;
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/* check to see that the BUFFER has enough lines */
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max = dwMaxLines;
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if( (max<=y) || (lpBuffer == NULL))
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{
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while(max<=y)
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max += BUFFERCHUNKSIZE;
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/* use GlobalAlloc first time round */
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if(lpBuffer)
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lpBuffer = (LPLINE) GlobalReAlloc((HGLOBAL)lpBuffer,GMEM_FIXED,
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max*sizeof(LINE)) ;
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else
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lpBuffer = (LPLINE) GlobalAlloc(GMEM_FIXED, max*sizeof(LINE));
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if(lpBuffer == NULL)
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return FALSE;
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ZeroMemory(&lpBuffer[dwLines], sizeof(LINE)*(max-dwLines) );
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dwMaxLines = max;
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}
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/* check to see that the LINE is wide enough */
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max = lpBuffer[y].dwMaxWidth;
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if( (max <= x) || (lpBuffer[y].lpLine == NULL) )
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{
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while(max <= x)
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max += BUFFERCHUNKSIZE;
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/* use GlobalAlloc first */
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if(lpBuffer[y].lpLine)
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lpBuffer[y].lpLine = (LPSTR)GlobalReAlloc((HGLOBAL)lpBuffer[y].lpLine,
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GMEM_FIXED, max) ;
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else
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lpBuffer[y].lpLine = (LPSTR)GlobalAlloc( GMEM_FIXED, max);
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if(lpBuffer[y].lpLine == NULL)
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return FALSE;
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lpBuffer[y].dwWidth = 0;
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lpBuffer[y].dwMaxWidth = max;
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}
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return TRUE;
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}
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/* inserts a new line into the buffer */
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BOOL DoNewLine(HDC hDC)
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{
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DWORD i,cnt;
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LPSTR src,dst;
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/* check to see if we need more memory for the buffer pointers */
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if(!ValidateLine(dwLines,0))
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return FALSE;
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/* shuffle up all the lines */
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for(i=dwLines; i>(dwYpos+1); i--)
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{
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lpBuffer[i] = lpBuffer[i-1];
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RenderLine(hDC,i);
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}
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ZeroMemory(&lpBuffer[dwYpos+1],sizeof(LINE));
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/* copy the characters after the carat (if any) to the next line */
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src = &lpBuffer[dwYpos].lpLine[dwXpos];
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cnt = lpBuffer[dwYpos].dwWidth-dwXpos;
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if(!ValidateLine(dwYpos+1,cnt)) /* allocates the buffer */
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return FALSE; /* FIXME */
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dst = &lpBuffer[dwYpos+1].lpLine[0];
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memcpy(dst, src, cnt);
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lpBuffer[dwYpos+1].dwWidth = cnt;
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lpBuffer[dwYpos].dwWidth -= cnt;
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/* move the cursor */
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dwLines++;
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dwXpos = 0;
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dwYpos++;
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/* update the window */
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RenderLine(hDC, dwYpos-1);
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RenderLine(hDC, dwYpos);
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CalcCaretPos(hDC, dwXpos, dwYpos);
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/* FIXME: don't use globals */
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SetScrollRange(Globals.hMainWnd, SB_VERT, 0, dwLines, TRUE);
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return TRUE;
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}
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/*
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* Attempt a basic edit buffer
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*/
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BOOL AddCharToBuffer(HDC hDC, char ch)
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{
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/* we can use lpBuffer[dwYpos] */
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if(!ValidateLine(dwYpos,0))
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return FALSE;
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/* shuffle the rest of the line*/
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if(!ValidateLine(dwYpos, lpBuffer[dwYpos].dwWidth))
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return FALSE;
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lpBuffer[dwYpos].dwWidth++;
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memmove(&lpBuffer[dwYpos].lpLine[dwXpos+1],
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&lpBuffer[dwYpos].lpLine[dwXpos],
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lpBuffer[dwYpos].dwWidth-dwXpos);
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/* add the character */
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lpBuffer[dwYpos].lpLine[dwXpos] = ch;
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if(dwLines == 0)
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dwLines++;
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dwXpos++;
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/* update the window and cursor position */
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RenderLine(hDC,dwYpos);
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CalcCaretPos(hDC,dwXpos,dwYpos);
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return TRUE;
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}
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/* erase a character */
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BOOL DoBackSpace(HDC hDC)
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{
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DWORD i;
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if(lpBuffer == NULL)
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return FALSE;
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if(lpBuffer[dwYpos].lpLine && (dwXpos>0))
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{
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dwXpos --;
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/* FIXME: use memmove */
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for(i=dwXpos; i<(lpBuffer[dwYpos].dwWidth-1); i++)
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lpBuffer[dwYpos].lpLine[i]=lpBuffer[dwYpos].lpLine[i+1];
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lpBuffer[dwYpos].dwWidth--;
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RenderLine(hDC, dwYpos);
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CalcCaretPos(hDC,dwXpos,dwYpos);
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}
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else
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{
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/* Erase a newline. To do this we join two lines */
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LPSTR src, dest;
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DWORD len, oldlen;
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if(dwYpos==0)
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return FALSE;
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oldlen = lpBuffer[dwYpos-1].dwWidth;
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if(lpBuffer[dwYpos-1].lpLine&&lpBuffer[dwYpos].lpLine)
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{
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/* concatonate to the end of the line above line */
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src = &lpBuffer[dwYpos].lpLine[0];
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dest = &lpBuffer[dwYpos-1].lpLine[lpBuffer[dwYpos-1].dwWidth];
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len = lpBuffer[dwYpos].dwWidth;
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/* check the length of the new line */
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if(!ValidateLine(dwYpos-1,lpBuffer[dwYpos-1].dwWidth + len))
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return FALSE;
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memcpy(dest,src,len);
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lpBuffer[dwYpos-1].dwWidth+=len;
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GlobalFree( (HGLOBAL)lpBuffer[dwYpos].lpLine);
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}
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else if (!lpBuffer[dwYpos-1].lpLine)
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{
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lpBuffer[dwYpos-1]=lpBuffer[dwYpos];
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} /* else both are NULL */
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RenderLine(hDC,dwYpos-1);
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/* don't zero - it's going to get trashed anyhow */
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/* shuffle up all the lines below this one */
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for(i=dwYpos; i<(dwLines-1); i++)
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{
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lpBuffer[i] = lpBuffer[i+1];
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RenderLine(hDC,i);
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}
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/* clear the last line */
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ZeroMemory(&lpBuffer[dwLines-1],sizeof (LINE));
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RenderLine(hDC,dwLines-1);
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dwLines--;
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/* adjust the cursor position to joining point */
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dwYpos--;
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dwXpos = oldlen;
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CalcCaretPos(hDC,dwXpos,dwYpos);
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SetScrollRange(Globals.hMainWnd, SB_VERT, 0, dwLines, TRUE);
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}
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return TRUE;
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}
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/* as used by File->New */
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void TrashBuffer(void)
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{
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DWORD i;
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/* variables belonging to the buffer */
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if(lpBuffer)
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{
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for(i=0; i<dwLines; i++)
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{
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if(lpBuffer[i].lpLine)
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GlobalFree ((HGLOBAL)lpBuffer[i].lpLine);
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ZeroMemory(&lpBuffer[i],sizeof (LINE));
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}
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GlobalFree((HGLOBAL)lpBuffer);
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lpBuffer=NULL;
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}
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dwLines = 0;
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dwMaxLines = 0;
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/* variables belonging to the view */
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dwXpos = 0;
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dwYpos = 0;
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dwVOffset = 0 ;
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/* FIXME: don't use globals */
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SetScrollPos(Globals.hMainWnd, SB_VERT, dwVOffset, FALSE);
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SetScrollRange(Globals.hMainWnd, SB_VERT, 0, dwLines, TRUE);
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}
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/*
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* Add a line to the buffer
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*/
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/* FIXME: this breaks lines longer than BUFFERCHUNKSIZE */
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DWORD CreateLine(
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LPSTR buffer, /* pointer to buffer with file data */
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DWORD size, /* number of bytes available in buffer */
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BOOL nomore)
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{
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DWORD i;
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if(size == 0)
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return 0;
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for(i=0; i<size; i++)
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{
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if(buffer[i]==0x0a)
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{
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if(ValidateLine(dwLines,i))
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{
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memcpy(&lpBuffer[dwLines].lpLine[0],&buffer[0],i);
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lpBuffer[dwLines].dwWidth = i;
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dwLines++;
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}
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return i+1;
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}
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}
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/* make a line of the rest */
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if( (i == BUFFERCHUNKSIZE) || nomore )
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{
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if(ValidateLine(dwLines,i))
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{
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memcpy(&lpBuffer[dwLines].lpLine[0],&buffer[0],i);
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lpBuffer[dwLines].dwWidth = i;
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dwLines++;
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}
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return i;
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}
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return 0;
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}
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/*
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* This is probably overcomplicated by lpBuffer data structure...
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* Read blocks from the file, then add each line from the
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* block to the buffer until there is none left. If all
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* a slab isn't used, try load some more data from the file.
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*/
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void LoadBufferFromFile(LPCSTR szFileName)
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{
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HANDLE hFile;
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CHAR *pTemp;
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DWORD size,i,len,bytes_left,bytes_read;
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hFile = CreateFile(szFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if(hFile == INVALID_HANDLE_VALUE)
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return;
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size = BUFFERCHUNKSIZE;
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pTemp = (LPSTR) GlobalAlloc(GMEM_FIXED, size);
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if(!pTemp)
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return;
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bytes_read = 1; /* anything non-zero */
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bytes_left = 0;
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while(bytes_read)
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{
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if(!ReadFile(hFile,
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&pTemp[bytes_left],
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size-bytes_left,
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&bytes_read, NULL))
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break;
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bytes_left+=bytes_read;
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/* add strings to buffer */
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for(i = 0;
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(i<size) &&
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(len = CreateLine(&pTemp[i], bytes_left, !bytes_read));
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i+= len,bytes_left-=len );
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/* move leftover to front of buffer */
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if(bytes_left)
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memmove(&pTemp[0],&pTemp[i], bytes_left);
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}
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CloseHandle(hFile);
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MessageBox(Globals.hMainWnd, "Finished", "Info", MB_OK);
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}
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BOOL DoInput(HDC hDC, WPARAM wParam, LPARAM lParam)
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{
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switch(wParam)
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{
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case 0x08:
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return DoBackSpace(hDC);
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case 0x0d:
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return DoNewLine(hDC);
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default:
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return AddCharToBuffer(hDC,wParam);
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}
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}
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BOOL GotoHome(HWND hWnd)
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{
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dwXpos = 0;
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dwYpos = 0;
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dwVOffset = 0;
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return TRUE;
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}
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BOOL GotoEndOfLine(HWND hWnd)
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{
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dwXpos = lpBuffer[dwYpos].dwWidth;
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return TRUE;
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}
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BOOL GotoDown(HWND hWnd)
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{
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if((dwYpos+1) >= dwLines)
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{
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return FALSE;
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}
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dwYpos++;
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if (dwXpos>lpBuffer[dwYpos].dwWidth)
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GotoEndOfLine(hWnd);
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return TRUE;
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}
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BOOL GotoUp(HWND hWnd)
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{
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if(dwYpos==0)
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return FALSE;
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dwYpos--;
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if (dwXpos>lpBuffer[dwYpos].dwWidth)
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GotoEndOfLine(hWnd);
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return TRUE;
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}
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BOOL GotoLeft(HWND hWnd)
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{
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if(dwXpos > 0)
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{
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dwXpos--;
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return TRUE;
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}
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if(GotoUp(hWnd))
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return GotoEndOfLine(hWnd);
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return FALSE;
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}
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BOOL GotoRight(HWND hWnd)
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{
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if(dwXpos<lpBuffer[dwYpos].dwWidth)
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{
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dwXpos++;
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return TRUE;
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}
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if(!GotoDown(hWnd))
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return FALSE;
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dwXpos=0;
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return TRUE;
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}
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/* check the caret is still on the screen */
|
|
BOOL ScrollABit(HWND hWnd)
|
|
{
|
|
if(dwYpos<dwVOffset)
|
|
{
|
|
dwVOffset = dwYpos;
|
|
return TRUE;
|
|
}
|
|
if(dwYpos>(dwVOffset+GetLinesPerPage(hWnd)))
|
|
{
|
|
dwVOffset = dwYpos - GetLinesPerPage(hWnd) + 1;
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* FIXME: move the window around so we can still see the caret */
|
|
VOID DoEdit(HWND hWnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
HDC hDC;
|
|
|
|
if(lpBuffer==NULL)
|
|
return;
|
|
switch(wParam)
|
|
{
|
|
case VK_HOME: GotoHome(hWnd);
|
|
break;
|
|
|
|
case VK_END: GotoEndOfLine(hWnd);
|
|
break;
|
|
|
|
case VK_LEFT: GotoLeft(hWnd);
|
|
break;
|
|
|
|
case VK_RIGHT: GotoRight(hWnd);
|
|
break;
|
|
|
|
case VK_DOWN: GotoDown(hWnd);
|
|
break;
|
|
|
|
case VK_UP: GotoUp(hWnd);
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
hDC = GetDC(hWnd);
|
|
if(hDC)
|
|
{
|
|
CalcCaretPos(hDC, dwXpos, dwYpos);
|
|
ReleaseDC(hWnd,hDC);
|
|
}
|
|
if(ScrollABit(hWnd))
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
}
|
|
|
|
void ButtonDownToCaretPos(HWND hWnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
DWORD x, y, caretx, carety;
|
|
BOOL refine_guess = TRUE;
|
|
HDC hDC;
|
|
|
|
x = LOWORD(lParam);
|
|
y = HIWORD(lParam);
|
|
|
|
caretx = x/tm.tmAveCharWidth; /* guess */
|
|
carety = dwVOffset + y/tm.tmHeight;
|
|
|
|
hDC = GetDC(hWnd);
|
|
|
|
if(lpBuffer == NULL)
|
|
{
|
|
caretx = 0;
|
|
carety = 0;
|
|
refine_guess = FALSE;
|
|
}
|
|
|
|
/* if the cursor is past the bottom, put it after the last char */
|
|
if(refine_guess && (carety>=dwLines) )
|
|
{
|
|
carety=dwLines-1;
|
|
caretx=lpBuffer[carety].dwWidth;
|
|
refine_guess = FALSE;
|
|
}
|
|
|
|
/* cursor past end of line? */
|
|
if(refine_guess && (x>CalcStringWidth(hDC,lpBuffer[carety].dwWidth,carety)))
|
|
{
|
|
caretx = lpBuffer[carety].dwWidth;
|
|
refine_guess = FALSE;
|
|
}
|
|
|
|
/* FIXME: doesn't round properly */
|
|
if(refine_guess)
|
|
{
|
|
if(CalcStringWidth(hDC,caretx,carety)<x)
|
|
{
|
|
while( (caretx<lpBuffer[carety].dwWidth) &&
|
|
(CalcStringWidth(hDC,caretx+1,carety)<x))
|
|
caretx++;
|
|
}
|
|
else
|
|
{
|
|
while((caretx>0)&&(CalcStringWidth(hDC,caretx-1,carety)>x))
|
|
caretx--;
|
|
}
|
|
}
|
|
|
|
/* set the caret's position */
|
|
dwXpos = caretx;
|
|
dwYpos = carety;
|
|
CalcCaretPos(hDC, caretx, carety);
|
|
ReleaseDC(hWnd,hDC);
|
|
}
|
|
|
|
void DoScroll(HWND hWnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
DWORD dy = GetLinesPerPage(hWnd);
|
|
|
|
switch(wParam) /* vscroll code */
|
|
{
|
|
case SB_LINEUP:
|
|
if(dwVOffset)
|
|
dwVOffset--;
|
|
break;
|
|
case SB_LINEDOWN:
|
|
if(dwVOffset<dwLines)
|
|
dwVOffset++;
|
|
break;
|
|
case SB_PAGEUP:
|
|
if( (dy+dwVOffset) > dwLines)
|
|
dwVOffset = dwLines - 1;
|
|
break;
|
|
case SB_PAGEDOWN:
|
|
if( dy > dwVOffset)
|
|
dwVOffset=0;
|
|
break;
|
|
}
|
|
/* position scroll */
|
|
SetScrollPos(hWnd, SB_VERT, dwVOffset, TRUE);
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* NOTEPAD_MenuCommand
|
|
*
|
|
* All handling of main menu events
|
|
*/
|
|
|
|
int NOTEPAD_MenuCommand (WPARAM wParam)
|
|
{
|
|
switch (wParam) {
|
|
case NP_FILE_NEW: DIALOG_FileNew(); break;
|
|
case NP_FILE_OPEN: DIALOG_FileOpen(); break;
|
|
case NP_FILE_SAVE: DIALOG_FileSave(); break;
|
|
case NP_FILE_SAVEAS: DIALOG_FileSaveAs(); break;
|
|
case NP_FILE_PRINT: DIALOG_FilePrint(); break;
|
|
case NP_FILE_PAGESETUP: DIALOG_FilePageSetup(); break;
|
|
case NP_FILE_PRINTSETUP: DIALOG_FilePrinterSetup();break;
|
|
case NP_FILE_EXIT: DIALOG_FileExit(); break;
|
|
|
|
case NP_EDIT_UNDO: DIALOG_EditUndo(); break;
|
|
case NP_EDIT_CUT: DIALOG_EditCut(); break;
|
|
case NP_EDIT_COPY: DIALOG_EditCopy(); break;
|
|
case NP_EDIT_PASTE: DIALOG_EditPaste(); break;
|
|
case NP_EDIT_DELETE: DIALOG_EditDelete(); break;
|
|
case NP_EDIT_SELECTALL: DIALOG_EditSelectAll(); break;
|
|
case NP_EDIT_TIMEDATE: DIALOG_EditTimeDate();break;
|
|
case NP_EDIT_WRAP: DIALOG_EditWrap(); break;
|
|
|
|
case NP_SEARCH_SEARCH: DIALOG_Search(); break;
|
|
case NP_SEARCH_NEXT: DIALOG_SearchNext(); break;
|
|
|
|
case NP_HELP_CONTENTS: DIALOG_HelpContents(); break;
|
|
case NP_HELP_SEARCH: DIALOG_HelpSearch(); break;
|
|
case NP_HELP_ON_HELP: DIALOG_HelpHelp(); break;
|
|
case NP_HELP_LICENSE: DIALOG_HelpLicense(); break;
|
|
case NP_HELP_NO_WARRANTY: DIALOG_HelpNoWarranty(); break;
|
|
case NP_HELP_ABOUT_WINE: DIALOG_HelpAboutWine(); break;
|
|
|
|
/* Handle languages */
|
|
default:
|
|
LANGUAGE_DefaultHandle(wParam);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
*
|
|
* NOTEPAD_WndProc
|
|
*/
|
|
|
|
LRESULT WINAPI NOTEPAD_WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PAINTSTRUCT ps;
|
|
HDC hContext;
|
|
HANDLE hDrop; /* drag & drop */
|
|
CHAR szFileName[MAX_STRING_LEN];
|
|
RECT Windowsize;
|
|
|
|
lstrcpy(szFileName, "");
|
|
|
|
switch (msg) {
|
|
|
|
case WM_CREATE:
|
|
GetClientRect(hWnd, &rectClient);
|
|
InitFontInfo(hWnd);
|
|
break;
|
|
|
|
case WM_SETFOCUS:
|
|
CreateCaret(Globals.hMainWnd, 0, 1, tm.tmHeight);
|
|
SetCaretPos(dwCaretXpos, dwCaretYpos);
|
|
ShowCaret(Globals.hMainWnd);
|
|
break;
|
|
|
|
case WM_KILLFOCUS:
|
|
DestroyCaret();
|
|
break;
|
|
|
|
case WM_PAINT:
|
|
GetClientRect(hWnd, &rectClient);
|
|
hContext = BeginPaint(hWnd, &ps);
|
|
RenderWindow(hContext);
|
|
EndPaint(hWnd, &ps);
|
|
break;
|
|
|
|
case WM_KEYDOWN:
|
|
DoEdit(hWnd, wParam, lParam);
|
|
break;
|
|
|
|
case WM_CHAR:
|
|
GetClientRect(hWnd, &rectClient);
|
|
HideCaret(hWnd);
|
|
hContext = GetDC(hWnd);
|
|
DoInput(hContext,wParam,lParam);
|
|
ReleaseDC(hWnd,hContext);
|
|
ShowCaret(hWnd);
|
|
break;
|
|
|
|
case WM_LBUTTONDOWN:
|
|
/* figure out where the mouse was clicked */
|
|
ButtonDownToCaretPos(hWnd, wParam, lParam);
|
|
break;
|
|
|
|
case WM_VSCROLL:
|
|
DoScroll(hWnd, wParam, lParam);
|
|
InvalidateRect(hWnd, NULL, FALSE); /* force a redraw */
|
|
break;
|
|
|
|
case WM_COMMAND:
|
|
/* FIXME: this is a bit messy */
|
|
NOTEPAD_MenuCommand(wParam);
|
|
InvalidateRect(hWnd, NULL, FALSE); /* force a redraw */
|
|
hContext = GetDC(hWnd);
|
|
CalcCaretPos(hContext,dwXpos,dwYpos);
|
|
ReleaseDC(hWnd,hContext);
|
|
break;
|
|
|
|
case WM_DESTROYCLIPBOARD:
|
|
MessageBox(Globals.hMainWnd, "Empty clipboard", "Debug", MB_ICONEXCLAMATION);
|
|
break;
|
|
|
|
case WM_CLOSE:
|
|
if (DoCloseFile()) {
|
|
PostQuitMessage(0);
|
|
}
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
PostQuitMessage (0);
|
|
break;
|
|
|
|
case WM_SIZE:
|
|
GetClientRect(Globals.hMainWnd, &Windowsize);
|
|
break;
|
|
|
|
case WM_DROPFILES:
|
|
/* User has dropped a file into main window */
|
|
hDrop = (HANDLE) wParam;
|
|
DragQueryFile(hDrop, 0, (CHAR *) &szFileName, sizeof(szFileName));
|
|
DragFinish(hDrop);
|
|
DoOpenFile(szFileName);
|
|
break;
|
|
|
|
default:
|
|
return DefWindowProc (hWnd, msg, wParam, lParam);
|
|
}
|
|
return 0l;
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
*
|
|
* WinMain
|
|
*/
|
|
|
|
int PASCAL WinMain (HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
|
|
{
|
|
MSG msg;
|
|
WNDCLASS class;
|
|
char className[] = "NPClass"; /* To make sure className >= 0x10000 */
|
|
char winName[] = "Notepad";
|
|
|
|
/* setup buffer */
|
|
InitBuffer();
|
|
|
|
/* Setup Globals */
|
|
|
|
Globals.lpszIniFile = "notepad.ini";
|
|
Globals.lpszIcoFile = "notepad.ico";
|
|
|
|
Globals.hInstance = hInstance;
|
|
|
|
#ifndef LCC
|
|
Globals.hMainIcon = ExtractIcon(Globals.hInstance,
|
|
Globals.lpszIcoFile, 0);
|
|
#endif
|
|
if (!Globals.hMainIcon) {
|
|
Globals.hMainIcon = LoadIcon(0, MAKEINTRESOURCE(DEFAULTICON));
|
|
}
|
|
|
|
lstrcpy(Globals.szFindText, "");
|
|
lstrcpy(Globals.szFileName, "");
|
|
lstrcpy(Globals.szMarginTop, "25 mm");
|
|
lstrcpy(Globals.szMarginBottom, "25 mm");
|
|
lstrcpy(Globals.szMarginLeft, "20 mm");
|
|
lstrcpy(Globals.szMarginRight, "20 mm");
|
|
lstrcpy(Globals.szHeader, "&n");
|
|
lstrcpy(Globals.szFooter, "Page &s");
|
|
lstrcpy(Globals.Buffer, "Hello World");
|
|
|
|
if (!prev){
|
|
class.style = CS_HREDRAW | CS_VREDRAW;
|
|
class.lpfnWndProc = NOTEPAD_WndProc;
|
|
class.cbClsExtra = 0;
|
|
class.cbWndExtra = 0;
|
|
class.hInstance = Globals.hInstance;
|
|
class.hIcon = LoadIcon (0, IDI_APPLICATION);
|
|
class.hCursor = LoadCursor (0, IDC_ARROW);
|
|
class.hbrBackground = GetStockObject (WHITE_BRUSH);
|
|
class.lpszMenuName = 0;
|
|
class.lpszClassName = className;
|
|
}
|
|
|
|
if (!RegisterClass (&class)) return FALSE;
|
|
|
|
/* Setup windows */
|
|
|
|
|
|
Globals.hMainWnd = CreateWindow (className, winName,
|
|
WS_OVERLAPPEDWINDOW + WS_HSCROLL + WS_VSCROLL,
|
|
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, 0,
|
|
LoadMenu(Globals.hInstance, STRING_MENU_Xx),
|
|
Globals.hInstance, 0);
|
|
|
|
Globals.hFindReplaceDlg = 0;
|
|
|
|
LANGUAGE_SelectByNumber(0);
|
|
|
|
SetMenu(Globals.hMainWnd, Globals.hMainMenu);
|
|
|
|
ShowWindow (Globals.hMainWnd, show);
|
|
UpdateWindow (Globals.hMainWnd);
|
|
|
|
/* Set up dialogs */
|
|
|
|
/* Identify Messages originating from FindReplace */
|
|
|
|
Globals.nCommdlgFindReplaceMsg = RegisterWindowMessage("commdlg_FindReplace");
|
|
if (Globals.nCommdlgFindReplaceMsg==0) {
|
|
MessageBox(Globals.hMainWnd, "Could not register commdlg_FindReplace window message",
|
|
"Error", MB_ICONEXCLAMATION);
|
|
}
|
|
|
|
/* now handle command line */
|
|
|
|
while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
|
|
|
|
{
|
|
CHAR option;
|
|
/* LPCSTR topic_id; */
|
|
|
|
if (*cmdline++ == ' ') continue;
|
|
|
|
option = *cmdline;
|
|
if (option) cmdline++;
|
|
while (*cmdline && *cmdline == ' ') cmdline++;
|
|
|
|
switch(option)
|
|
{
|
|
case 'p':
|
|
case 'P': printf("Print file: ");
|
|
/* Not yet able to print a file */
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Set up Drag&Drop */
|
|
|
|
DragAcceptFiles(Globals.hMainWnd, TRUE);
|
|
|
|
/* now enter mesage loop */
|
|
|
|
while (GetMessage (&msg, 0, 0, 0)) {
|
|
if (IsDialogMessage(Globals.hFindReplaceDlg, &msg)!=0) {
|
|
/* Message belongs to FindReplace dialog */
|
|
/* We just let IsDialogMessage handle it */
|
|
}
|
|
else
|
|
{
|
|
/* Message belongs to the Notepad Main Window */
|
|
TranslateMessage (&msg);
|
|
DispatchMessage (&msg);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|