[GRASS5] Messages and GUI

[Glynn Clements]

Radim Blazek wrote:

> I have added G_messages and modified a bit G_percent, G_warning
> and G_fatal_error. If GRASS_MESSAGE_FORMAT enviroment (not GRASS) variable
> is set to 'gui', those functions print messages in format
> suitable for parsing by GUI. gui.tcl was also modified and
> displays progress bar if G_percent is used and adds icons to output box.
> http://mpa.itc.it/radim/g51/messages1.png
> 
> Subject for discussion.
> 
> Question: G_warning/G_messages/G_fatal_error can print more lines,
> how to tell to GUI that it is one message?

Print begin/end markers rather than a prefix in front of each line,
e.g.

	GRASS_INFO_WARNING
	message
	goes
	here
	GRASS_INFO_END

-- 
Glynn Clements <glynn at gclements.plus.com>