proposed cursor patch try 2

[Angus Leeming]

Gives us a well behaved and configurable cursor in the main window as well as 
in the dialogs (fixes bug #73).
Angus

Index: src/BufferView_pimpl.C
===================================================================
RCS file: /usr/local/lyx/cvsroot/lyx-devel/src/BufferView_pimpl.C,v
retrieving revision 1.212
diff -u -p -r1.212 BufferView_pimpl.C
--- src/BufferView_pimpl.C      12 Mar 2002 13:27:49 -0000      1.212
+++ src/BufferView_pimpl.C      13 Mar 2002 11:27:11 -0000
@@ -107,20 +107,6 @@ void waitForX()
        XSync(fl_get_display(), 0);
 }
 
-
-void SetXtermCursor(Window win)
-{
-       static Cursor cursor;
-       static bool cursor_undefined = true;
-       if (cursor_undefined) {
-               cursor = XCreateFontCursor(fl_get_display(), XC_xterm);
-               XFlush(fl_get_display());
-               cursor_undefined = false;
-       }
-       XDefineCursor(fl_get_display(), win, cursor);
-       XFlush(fl_get_display());
-}
-
 } // anon namespace
 
 
@@ -773,7 +759,7 @@ void BufferView::Pimpl::selectionLost()
 void BufferView::Pimpl::enterView()
 {
        if (active() && available()) {
-               SetXtermCursor(workarea_.getWin());
+               fl_set_cursor(workarea_.getWin(), XC_xterm);
                using_xterm_cursor = true;
        }
 }
@@ -782,7 +768,9 @@ void BufferView::Pimpl::enterView()
 void BufferView::Pimpl::leaveView()
 {
        if (using_xterm_cursor) {
-               XUndefineCursor(fl_get_display(), workarea_.getWin());
+               Cursor const cursor = Dialogs::tooltipsEnabled() ? 
+                        XC_question_arrow : FL_DEFAULT_CURSOR;
+                fl_set_cursor(workarea_.getWin(), cursor);
                using_xterm_cursor = false;
        }
 }