[maemo-developers] [maemo-developers] to Nokia: simple method to gain a gaming audience on 770/800

From: Kees Jongenburger kees.jongenburger at gmail.com
Date: Fri Jan 26 18:09:31 EET 2007
On 1/26/07, klaus at rotters.de <klaus at rotters.de> wrote:
> Kees Jongenburger wrote:
> > I have been asking
> > around but did not find a simple pluggable virtual keyboard for sdl.
> This is IMHO a very simple problem. Just a quick guess: You have to draw a nice keyboard,
> export it to BMP and load it with SDL_LoadBMP(). Then you display (blit) it with
> SDL_BlitSurface(). Don't forget to update the screen with SDL_UpdateRects(). Then you can
> SDL_WaitEvent() to wait for SDL_MOUSEBUTTONDOWN events. You just need a table
> which contains the x and y coords of our virtual keyboard to decode coords to the key
> pressed. Of course you should handle shift, delete and something else. The decoded char
> can now be displayed, you probably need some kind of "displaying a text"-function (sfont.c)
> for it. And so on. This all can be packed in a function like "char *SDL_EnterText()".
> An other problem would be to incoperate such a virtual SDL keyboard to the large number of
> different SDL-GUI toolkits.
> For the most number of action games, you don't need to enter text during  game play. Its
> enough if you do this on startup, and therefor you can use a Maemo startup window.
This sounds good and easy to me.The bmp can even have alpha! and
perhaps the code is already there?



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