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Power-Programmierung
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drdobbs
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1992
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06
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dflt12
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clipbord.c
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1992-03-26
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/* ----------- clipbord.c ------------ */
#include "dflat.h"
char *Clipboard;
unsigned ClipboardLength;
void CopyTextToClipboard(char *text)
{
ClipboardLength = strlen(text);
Clipboard = DFrealloc(Clipboard, ClipboardLength);
memmove(Clipboard, text, ClipboardLength);
}
void CopyToClipboard(WINDOW wnd)
{
if (TextBlockMarked(wnd)) {
char *bbl=TextLine(wnd,wnd->BlkBegLine)+wnd->BlkBegCol;
char *bel=TextLine(wnd,wnd->BlkEndLine)+wnd->BlkEndCol;
ClipboardLength = (int) (bel - bbl);
Clipboard = DFrealloc(Clipboard, ClipboardLength);
memmove(Clipboard, bbl, ClipboardLength);
}
}
void ClearClipboard(void)
{
if (Clipboard != NULL) {
free(Clipboard);
Clipboard = NULL;
}
}
BOOL PasteText(WINDOW wnd, char *SaveTo, unsigned len)
{
if (SaveTo != NULL && len > 0) {
unsigned plen = strlen(wnd->text) + len;
if (plen <= wnd->MaxTextLength) {
if (plen > wnd->textlen) {
wnd->text = DFrealloc(wnd->text, plen+3);
wnd->textlen = plen+1;
}
memmove(CurrChar+len, CurrChar, strlen(CurrChar)+1);
memmove(CurrChar, SaveTo, len);
BuildTextPointers(wnd);
wnd->TextChanged = TRUE;
return TRUE;
}
}
return FALSE;
}