/*
* Check to see if the cursor shape is the correct shape for its current
* location. If not, its shape is changed.
*/
void MwCheckCursor(void)
{
HWND wp; /* window cursor is in */
HCURSOR cp; /* cursor definition */
/*
* Get the cursor at its current position, and if it is not the
* currently defined one, then set the new cursor. However,
* if the window is currently captured, then leave it alone.
*/
wp = capturewp;
if (wp == NULL)
wp = mousewp;
cp = wp->cursor;
if (cp == curcursor)
return;
/*
* It needs redefining, so do it.
*/
curcursor = cp;
GdMoveCursor(cursorx - cp->cursor.hotx, cursory - cp->cursor.hoty);
GdSetCursor(&cp->cursor);
}
/*
* Check to see if the cursor shape is the correct shape for its current
* location. If not, its shape is changed.
*/
void GsCheckCursor(void)
{
GR_WINDOW *wp; /* window cursor is in */
GR_CURSOR *cp; /* cursor definition */
/*
* Get the cursor at its current position, and if it is not the
* currently defined one, then set the new cursor. However,
* if the pointer is currently grabbed, then leave it alone.
*/
wp = grabbuttonwp;
if (wp == NULL)
wp = mousewp;
cp = GsFindCursor(wp->cursorid);
if (!cp)
cp = stdcursor;
if (cp == curcursor)
return;
/*
* It needs redefining, so do it.
*/
curcursor = cp;
GdMoveCursor(cursorx - cp->cursor.hotx, cursory - cp->cursor.hoty);
GdSetCursor(&cp->cursor);
}
/*
* Move the cursor to the specified absolute screen coordinates.
* The coordinates are that of the defined hot spot of the cursor.
* The cursor's appearance is changed to that defined for the window
* in which the cursor is moved to. In addition, the window the
* cursor is in is recalculated.
*/
void MwMoveCursor(MWCOORD x, MWCOORD y)
{
/*
* Move the cursor only if necessary, offsetting it to
* place the hot spot at the specified coordinates.
*/
if (x != cursorx || y != cursory) {
if(curcursor)
GdMoveCursor(x - curcursor->cursor.hotx,
y - curcursor->cursor.hoty);
cursorx = x;
cursory = y;
}
/*
* Now check to see which window the mouse is in and whether or
* not the cursor shape should be changed.
*/
MwCheckMouseWindow();
MwCheckCursor();
}
BOOL SetCursorPos(int x, int y)
{
GdMoveCursor(x, y);
return TRUE;
}
