On Aug 5, 2010, at 5:00 PM, Alex Harrington wrote:
> Hi all
>
> I'm trying to make the Xibo player run "fullscreen", but have some
> control over which screen (on a dual screen machine) or indeed which
> portions of the screen are used. For example in some signage
> applications the player needs to occupy only some of the screen - or in
> a dual screen setup there may need to be a kiosk application running on
> the other head.
>
> I see from the libsdl documentation libsdl can make a windowed window
> with the SDL_NOFRAME flag set which causes it to have no decorations or
> title bar. (http://www.libsdl.org/docs/html/sdlsetvideomode.html)
A hack would be to add SDL_NOFRAME to the SDL_SetVideoMode call in
SDLDisplayEngine.cpp.
To make this configurable, you just need to tunnel a parameter from python to
the SDL_SetVideoMode call:
- Add a bool attribute to DisplayParams (m_bHasWindowFrame) in
src/player/DisplayParams.[h|cpp]
- Add Player::setWindowFrame(bool), modeled on the code to
Player::setResolution()
- Read this attribute in SDLDisplayEngine::init and call SDL_SetVideoMode
accordingly
- Write a test that opens a window without a frame and add that test to
src/test/PlayerTest.py
This is also what would make sense as an addition to libavg.
> That would be perfect as I can already control the position of the
> libavg renderer window with the SDL_VIDEO_WINDOW_POS environment
> variable. (It would be even better if I could tell libavg where on the
> screen to render the window!)
Player.setWindowPos().
Actually, that just calls setEnv("SDL_VIDEO_WINDOW_POS",...) internally.
Be aware that at least some versions of libsdl have a bug that prevents this
from working on the mac.
Cheers,
Uli
>
> Is libavg able to create a window with that flag set already? If not,
> could someone point me to the right bit of code to hack at? I'm not a C
> ++ developer but if it's something really simple I might be able to make
> the changes needed myself!
>
> Cheers
>
> Alex
>
>
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>
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