Re: Notification that plot window has closed [Feature Request 1719259]

[Petr M. <mi...@ph...>]

> Feature Request 1719259 asks for a mechanism to notify the
> user or scripting environment that the plot window has been
> closed.
> 
> In x11 this is easy, because we already receive an event from
> the window manager when the window closes and can use it as a
> trigger to call event_reset(). I am wondering how easy this
> would be from the other interactive terminals.
> 
> How could one detect that the wxt plot window has been closed?
> Windows?

Here is the patch for src/win/wgraph.c:

--- wgraph-orig.c       2006-11-13 00:43:46.000000000 +0100
+++ wgraph.c    2007-05-17 15:32:35.000000000 +0200
@@ -406,6 +406,8 @@
 void WDPROC
 GraphClose(LPGW lpgw)
 {
+//Wnd_exec_event(lpgw, (LPARAM)0, GE_keypress, GP_Cancel);//Why not?
+       Wnd_exec_event(lpgw, (LPARAM)0, GE_reset, 0);
        /* close window */
        if (lpgw->hWndGraph)
                DestroyWindow(lpgw->hWndGraph);


I first tried with the GE_keypress+GP_Cancel event (like in x11), it did not 
work, then I tried GE_reset (like in wxt), it works. Why?

Petr