int
MemoProc (Option *opt, int n, int x, int y, char *text, int index)
{ // user callback for mouse events in memo
static int pressed; // keep track of button 3 state
int start, end, currentPV = (opt != &engoutOptions[5]);
switch(n) {
case 0: // pointer motion
if(!pressed) return FALSE; // only motion with button 3 down is of interest
MovePV(x, y, 500/*lineGap + BOARD_HEIGHT * (squareSize + lineGap)*/);
break;
case 3: // press button 3
pressed = 1;
if(LoadMultiPV(x, y, text, index, &start, &end, currentPV)) {
highTextStart[currentPV] = start; highTextEnd[currentPV] = end;
HighlightText(&engoutOptions[currentPV ? 12 : 5], start, end, TRUE);
}
break;
case -3: // release button 3
pressed = 0;
if(highTextStart[currentPV] != highTextEnd[currentPV])
HighlightText(&engoutOptions[currentPV ? 12 : 5], highTextStart[currentPV], highTextEnd[currentPV], FALSE);
highTextStart[currentPV] = highTextEnd[currentPV] = 0;
UnLoadPV();
break;
default:
return FALSE; // not meant for us; do regular event handler
}
return TRUE;
}
VOID
GetMemoLine(HWND hDlg, int x, int y)
{ // [HGM] pv: translate click to PV line, and load it for display
char buf[10000];
int index, start, end, memo;
POINT pt;
pt.x = x; pt.y = y;
memo = currentPV ? IDC_EngineMemo2 : IDC_EngineMemo1;
index = SendDlgItemMessage( hDlg, memo, EM_CHARFROMPOS, 0, (LPARAM) &pt );
GetDlgItemText(hDlg, memo, buf, sizeof(buf));
if(LoadMultiPV(x, y, buf, index, &start, &end)) {
SetCapture(hDlg);
SendMessage( outputField[currentPV][nMemo], EM_SETSEL, (WPARAM)start, (LPARAM)end );
highTextStart[currentPV] = start; highTextEnd[currentPV] = end;
SetFocus(outputField[currentPV][nMemo]);
}
}
void
SelectPV (Widget w, XEvent * event, String * params, Cardinal * nParams)
{ // [HGM] pv: translate click to PV line, and load it for display
String val;
int start, end;
XawTextPosition index, dummy;
int x, y;
Arg arg;
x = event->xmotion.x; y = event->xmotion.y;
currentPV = (w == outputField[1][nMemo]);
XawTextGetSelectionPos(w, &index, &dummy);
XtSetArg(arg, XtNstring, &val);
XtGetValues(w, &arg, 1);
if(LoadMultiPV(x, y, val, index, &start, &end)) {
XawTextSetSelection( outputField[currentPV][nMemo], start, end );
highTextStart[currentPV] = start; highTextEnd[currentPV] = end;
}
}
