[maemo-developers] Questions about GUI design on N800

From: Daniel Stone daniel.stone at nokia.com
Date: Thu Feb 22 19:15:40 EET 2007
On Thu, Feb 22, 2007 at 10:11:54AM -0700, ext Jeffrey Barish wrote:
> 1. Is it possible to use the display of the N800 in portrait orientation? 
> My application currently runs on a display that is 640x480.  800x480 would
> be a big advantage, but I can't figure out how to reorganize my layout for
> 480x800.

Not at the moment.  It's on the X roadmap, but always been a kinda low
priority since a lot of the apps have 800x480 hardcoded.  (Chicken and
egg, I know.)

> 2. Is it difficult to run an application in full-screen mode so that
> controls such as the task navigator and application switcher do not appear?

No.  You just have to set the appropriate _NET_WM property, I think.

> 3. Is it possible to run an application in kiosk mode, such that the
> application runs automatically when the N800 boots and is the only thing
> that runs?

You'd have to modify /etc/init.d.

> 4. Is it possible to control stand-by mode programmatically?  How does the
> N800 decide that the system is idle?  If an application is running and is
> updating a progress bar, is that activity sufficient to keep the N800 out
> of standby mode?

It's able to sleep when no task is scheduled to run.  If you wake up
once a second to bump the progress bar, then you'll probably stay awake
for at least 150ms of every second.  It sleeps dynamically, at the
kernel level.

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