Example #1
0
	void process_event(SDL_Event &sdlevent) override
	{
		switch (sdlevent.type)
		{
		case SDL_KEYDOWN:
			keyboard.state[OSD_SDL_INDEX_KEYSYM(&sdlevent.key.keysym)] = 0x80;
			if (sdlevent.key.keysym.sym < 0x20)
				machine().ui_input().push_char_event(sdl_window_list.front()->target(), sdlevent.key.keysym.sym);
			break;

		case SDL_KEYUP:
			keyboard.state[OSD_SDL_INDEX_KEYSYM(&sdlevent.key.keysym)] = 0x00;
			break;

		case SDL_TEXTINPUT:
			if (*sdlevent.text.text)
			{
				auto window = GET_FOCUS_WINDOW(&event.text);
				//printf("Focus window is %p - wl %p\n", window, sdl_window_list);
				unicode_char result;
				if (window != nullptr)
				{
					osd_uchar_from_osdchar(&result, sdlevent.text.text, 1);
					machine().ui_input().push_char_event(window->target(), result);
				}
			}
			break;
		}
	}
Example #2
0
int core_fgetc(core_file *file)
{
	int result;

	/* refresh buffer, if necessary */
	if (file->back_char_head == file->back_char_tail)
	{
		utf16_char utf16_buffer[UTF16_CHAR_MAX];
		char utf8_buffer[UTF8_CHAR_MAX];
		char default_buffer[16];
		unicode_char uchar = (unicode_char) ~0;
		int readlen, charlen;

		/* do we need to check the byte order marks? */
		if (file->offset == 0)
		{
			UINT8 bom[4];
			int pos = 0;

			if (core_fread(file, bom, 4) == 4)
			{
				if (bom[0] == 0xef && bom[1] == 0xbb && bom[2] == 0xbf)
				{
					file->text_type = TFT_UTF8;
					pos = 3;
				}
				else if (bom[0] == 0x00 && bom[1] == 0x00 && bom[2] == 0xfe && bom[3] == 0xff)
				{
					file->text_type = TFT_UTF32BE;
					pos = 4;
				}
				else if (bom[0] == 0xff && bom[1] == 0xfe && bom[2] == 0x00 && bom[3] == 0x00)
				{
					file->text_type = TFT_UTF32LE;
					pos = 4;
				}
				else if (bom[0] == 0xfe && bom[1] == 0xff)
				{
					file->text_type = TFT_UTF16BE;
					pos = 2;
				}
				else if (bom[0] == 0xff && bom[1] == 0xfe)
				{
					file->text_type = TFT_UTF16LE;
					pos = 2;
				}
				else
				{
					file->text_type = TFT_OSD;
					pos = 0;
				}
			}
			core_fseek(file, pos, SEEK_SET);
		}

		/* fetch the next character */
		switch (file->text_type)
		{
			default:
			case TFT_OSD:
				readlen = core_fread(file, default_buffer, sizeof(default_buffer));
				if (readlen > 0)
				{
					charlen = osd_uchar_from_osdchar(&uchar, default_buffer, readlen / sizeof(default_buffer[0]));
					core_fseek(file, (INT64) (charlen * sizeof(default_buffer[0])) - readlen, SEEK_CUR);
				}
				break;

			case TFT_UTF8:
				readlen = core_fread(file, utf8_buffer, sizeof(utf8_buffer));
				if (readlen > 0)
				{
					charlen = uchar_from_utf8(&uchar, utf8_buffer, readlen / sizeof(utf8_buffer[0]));
					core_fseek(file, (INT64) (charlen * sizeof(utf8_buffer[0])) - readlen, SEEK_CUR);
				}
				break;

			case TFT_UTF16BE:
				readlen = core_fread(file, utf16_buffer, sizeof(utf16_buffer));
				if (readlen > 0)
				{
					charlen = uchar_from_utf16be(&uchar, utf16_buffer, readlen / sizeof(utf16_buffer[0]));
					core_fseek(file, (INT64) (charlen * sizeof(utf16_buffer[0])) - readlen, SEEK_CUR);
				}
				break;

			case TFT_UTF16LE:
				readlen = core_fread(file, utf16_buffer, sizeof(utf16_buffer));
				if (readlen > 0)
				{
					charlen = uchar_from_utf16le(&uchar, utf16_buffer, readlen / sizeof(utf16_buffer[0]));
					core_fseek(file, (INT64) (charlen * sizeof(utf16_buffer[0])) - readlen, SEEK_CUR);
				}
				break;

			case TFT_UTF32BE:
				if (core_fread(file, &uchar, sizeof(uchar)) == sizeof(uchar))
					uchar = BIG_ENDIANIZE_INT32(uchar);
				break;

			case TFT_UTF32LE:
				if (core_fread(file, &uchar, sizeof(uchar)) == sizeof(uchar))
					uchar = LITTLE_ENDIANIZE_INT32(uchar);
				break;
		}

		if (uchar != ~0)
		{
			/* place the new character in the ring buffer */
			file->back_char_head = 0;
			file->back_char_tail = utf8_from_uchar(file->back_chars, ARRAY_LENGTH(file->back_chars), uchar);
/*          assert(file->back_char_tail != -1);*/
		}
	}

	/* now read from the ring buffer */
	if (file->back_char_head != file->back_char_tail)
	{
		result = file->back_chars[file->back_char_head++];
		file->back_char_head %= ARRAY_LENGTH(file->back_chars);
	}
	else
		result = EOF;

	return result;
}