Re: [Tuxpaint-devel] SDL_im and tuxpaint-0.9.15b for Windows.

[Mark K. K. <mkk...@gm...>]

It's good to see this system work.  I only wish we could do this with
the standard SDL, without patching.  Anyone aware of the status of this
patch getting into the main SDL branch?

-Mark


On Thu, Mar 30, 2006 at 10:11:57AM +0900, Shocky Han wrote:
> Hi,
>=20
> I and my daughter want to input Korean characters in tuxpaint-0.9.15b f=
or
> Windows.
>=20
> I finally found the SDL_im project which aims to be an Input Method sup=
port
> in SDL project.
> <http://sdl-im.csie.net/>
>=20
> I can patch the <http://sdl-im.csie.net/download/SDL_im-1.2.8-20050828.=
diff.
> gz> files into the current SDL-1.2.9 branch without difficulties.
> The major modifications for tuxpaint.c is follows - you will notice you
> should define the ENABLE_IM_EVENT first.
>=20
> @@ -2777,6 +2793,10 @@
>    Uint32 last_cursor_blink, cur_cursor_blink,
>      pre_event_time, current_event_time;
> =20
> +#ifdef ENABLE_IM_EVENT
> +  wchar_t wbuf[256];
> +  int buf_len =3D 0;
> +#endif
> @@ -2838,7 +2858,14 @@
>  	    {
>  	      key =3D event.key.keysym.sym;
>  	      mod =3D event.key.keysym.mod;
> -	     =20
> +
> +#ifdef ENABLE_IM_EVENT
> +		  SDL_SetIMPosition(cursor_x - 2, cursor_y - 2 +
> TTF_FontHeight(getfonthandle(cur_font)));
> +		  if (buf_len =3D SDL_FlushIMString(wbuf))
> +			  SDL_FlushIMString(wbuf);
> +		  wbuf[buf_len] =3D 0;
> +#endif
> +
>  	      handle_keymouse(key, SDL_KEYDOWN);
> =20
>  	      if (key =3D=3D SDLK_ESCAPE && !disable_quit)
> @@ -2991,6 +3018,10 @@
>  		  if (cur_tool =3D=3D TOOL_TEXT &&
>  		      cursor_x !=3D -1 && cursor_y !=3D -1)
>  		    {
> +#ifdef ENABLE_IM_EVENT
> +				if (buf_len > 0)
> +					event.key.keysym.unicode =3D wbuf[0];
> +#endif
>  		      key_down =3D key;
>  		      key_unicode =3D event.key.keysym.unicode;
> =20
> @@ -3004,8 +3035,13 @@
> =20
>  			  if (texttool_len > 0)
>  			    {
> +#ifdef ENABLE_IM_EVENT
> +				  texttool_len =3D
> utf8_remove_last_char(texttool_str, texttool_len);
> +			      texttool_str[texttool_len] =3D '\0';
> +#else
>  			      texttool_len--;
>  			      texttool_str[texttool_len] =3D '\0';
> +#endif
>  			      playsound(0, SND_KEYCLICK, 0);
>  	       =20
>  			      do_render_cur_text(0);
> @@ -3040,8 +3076,12 @@
>  			      cursor_textwidth =3D 0;
>  			    }
>  		        }
> +#ifdef ENABLE_IM_EVENT
> +		      else //if (isprint(key_unicode))
> +#else
>  		      else if (isprint(key_unicode))
> -			{
> +#endif
> +			  {
>  			  if (texttool_len < sizeof(texttool_str) -
> MAX_UTF8_CHAR_LENGTH)
>  			    {
>  			      int old_cursor_textwidth =3D cursor_textwidth;
> @@ -3050,9 +3090,18 @@
>  				     "unicode =3D %c (%d)\n\n",
>  				     key_down, key_unicode, key_unicode);
>  #endif
> -	  	    =20
> +
> +#ifdef ENABLE_IM_EVENT
> +				  if (buf_len > 0) {
> +					  texttool_len +=3D
> unicode_to_utf8(&texttool_str[texttool_len], key_unicode);
> +				  } else if (key_unicode !=3D 0) {
>  			        texttool_str[texttool_len++] =3D key_unicode;
> -	=09
> +				  }
> +#else
> +				  if (key_unicode !=3D 0) {
> +			        texttool_str[texttool_len++] =3D key_unicode;
> +				  }
> +#endif
>  			      texttool_str[texttool_len] =3D '\0';
>  			      do_render_cur_text(0);
>=20
> Of course, there are unicode_to_utf8() and utf8_remove_last_char() func=
tion
> implementations.
> And I must fix several tuxpaint-0.9.15b source files to build with
> Microsoft Visual Studio .Net 2003.
>=20
> You can get results in following URL's:
> 1. screenshot <http://kldp.org/files/tuxpaint+SDL_im.PNG>
> 2. diff source <http://kldp.org/files/tuxpaint-0.9.15b+SDL_im-1.2.9-
> 20060329.diff.txt>
> 3. Windows XP binary files <http://kldp.org/files/tuxpaint-0.9.15b+SDL_=
im-1.
> 2.9-20060329.zip>
>=20
> I hope this could help people who want to use the Windows IME with tuxp=
aint-
> 0.9.15b for Windows.
>=20
> Best regards.
>=20
> PS: I use the Korean font downloaded from the tuxpaint website.
>=20
>=20
> 	=09
> ________________________________________________________
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> http://kr.mobile.yahoo.com
>=20
>=20
>=20
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--=20
Mark K. Kim
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