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Re: Contiguous redisplay of the menu and beeps

From: martin rudalics
Subject: Re: Contiguous redisplay of the menu and beeps
Date: Sun, 27 May 2007 14:09:07 +0200
User-agent: Mozilla Thunderbird 1.0 (Windows/20041206)

>>>SET_PT_BOTH (opoint, opoint_byte);
>>still spoils everything on Windows.  Commenting out that line works,
> Hmm, I couldn't test on Windows, and my previous patch worked on Mac
> OS X (both X11 and Carbon) and Solaris for the original problem.

Hence the original problem is present on these platforms?  Anyway, I'll
have to wait what Windows XP people say about this.

>>I continue to have no idea how current_column gets called with
>>Qinhibit_point_motion_hooks not bound to Qt here ...
> Maybe you can find such traces by setting a breakpoint to
> current_column with the condition `Vinhibit_point_motion_hooks ==
> Qnil'.  I found the following cases:
>   pos_visible_p -> display_mode_line
>   echo_area_display -> redisplay_mode_lines -> display_mode_lines -> 

Thanks, I'm aware of these.  I don't understand why pos_visible_p should
be called by redisplay.  For the second one I earlier tried to specbind
Qinhibit_point_motion_hooks around it - to no avail.  I have to retry.

In any case this would just solve the current_column problem.  There
are, however, no restrictions as to what the modeline is allowed to
display.  Hence, this problem may raise it's ugly head whenever modeline
calculations set point.

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