--- a/genworld_gui.c	Sat Oct 21 22:38:50 2006 +0000
+++ b/genworld_gui.c	Sat Oct 21 22:50:57 2006 +0000
@@ -321,7 +321,7 @@
 		case 16: // Random seed
 			_patches_newgame.generation_seed = InteractiveRandom();
 			ttd_strlcpy(_edit_str_buf, str_fmt("%u", _patches_newgame.generation_seed), lengthof(_edit_str_buf));
-			UpdateTextBufferSize(&((querystr_d *)&WP(w, querystr_d))->text);
+			UpdateTextBufferSize(&WP(w, querystr_d).text);
 			SetWindowDirty(w);
 			break;
 		case 17: // Generate
@@ -395,7 +395,7 @@
 		break;
 
 	case WE_KEYPRESS:
-		HandleEditBoxKey(w, &WP(w, querystr_d), SEED_EDIT, e, CS_NUMERAL);
+		HandleEditBoxKey(w, &WP(w, querystr_d), SEED_EDIT, e);
 		/* the seed is unsigned, therefore atoi cannot be used.
 		 * As 2^32 - 1 (MAX_UVALUE(uint32)) is a 'magic' value
 		 * (use random seed) it should not be possible to be
@@ -518,6 +518,7 @@
 		querystr->text.maxwidth = 120;
 		querystr->text.buf = _edit_str_buf;
 		querystr->caption = STR_NULL;
+		querystr->afilter = CS_NUMERAL;
 		UpdateTextBufferSize(&querystr->text);
 
 		InvalidateWindow(WC_GENERATE_LANDSCAPE, mode);

--- a/gui.h	Sat Oct 21 22:38:50 2006 +0000
+++ b/gui.h	Sat Oct 21 22:50:57 2006 +0000
@@ -104,7 +104,7 @@
 
 void DrawEditBox(Window *w, querystr_d *string, int wid);
 void HandleEditBox(Window *w, querystr_d *string, int wid);
-int HandleEditBoxKey(Window *w, querystr_d *string, int wid, WindowEvent *we, CharSetFilter afilter);
+int HandleEditBoxKey(Window *w, querystr_d *string, int wid, WindowEvent *we);
 bool HandleCaret(Textbuf *tb);
 
 void DeleteTextBufferAll(Textbuf *tb);

--- a/misc_gui.c	Sat Oct 21 22:38:50 2006 +0000
+++ b/misc_gui.c	Sat Oct 21 22:50:57 2006 +0000
@@ -901,7 +901,7 @@
 	tb->caretxoffs = tb->width;
 }
 
-int HandleEditBoxKey(Window *w, querystr_d *string, int wid, WindowEvent *e, CharSetFilter afilter)
+int HandleEditBoxKey(Window *w, querystr_d *string, int wid, WindowEvent *e)
 {
 	e->we.keypress.cont = false;
 
@@ -925,11 +925,11 @@
 			InvalidateWidget(w, wid);
 		break;
 	default:
-		if (IsValidAsciiChar(e->we.keypress.ascii, afilter)) {
+		if (IsValidAsciiChar(e->we.keypress.ascii, string->afilter)) {
 			if (InsertTextBufferChar(&string->text, e->we.keypress.ascii))
 				InvalidateWidget(w, wid);
 		} else { // key wasn't caught. Continue only if standard entry specified
-			e->we.keypress.cont = (afilter == CS_ALPHANUMERAL);
+			e->we.keypress.cont = (string->afilter == CS_ALPHANUMERAL);
 		}
 	}
 
@@ -1019,7 +1019,7 @@
 	} break;
 
 	case WE_KEYPRESS: {
-		switch (HandleEditBoxKey(w, &WP(w, querystr_d), 5, e, WP(w, querystr_d).afilter)) {
+		switch (HandleEditBoxKey(w, &WP(w, querystr_d), 5, e)) {
 		case 1: // Return
 			goto press_ok;
 		case 2: // Escape
@@ -1455,7 +1455,7 @@
 		}
 
 		if (_saveload_mode == SLD_SAVE_GAME || _saveload_mode == SLD_SAVE_SCENARIO) {
-			if (HandleEditBoxKey(w, &WP(w, querystr_d), 10, e, CS_ALPHANUMERAL) == 1) /* Press Enter */
+			if (HandleEditBoxKey(w, &WP(w, querystr_d), 10, e) == 1) /* Press Enter */
 					HandleButtonClick(w, 12);
 		}
 		break;
@@ -1580,6 +1580,7 @@
 	WP(w,querystr_d).text.maxlength = lengthof(_edit_str_buf);
 	WP(w,querystr_d).text.maxwidth = 240;
 	WP(w,querystr_d).text.buf = _edit_str_buf;
+	WP(w,querystr_d).afilter = CS_ALPHANUMERAL;
 	UpdateTextBufferSize(&WP(w, querystr_d).text);
 
 	// pause is only used in single-player, non-editor mode, non-menu mode. It

--- a/network_gui.c	Sat Oct 21 22:38:50 2006 +0000
+++ b/network_gui.c	Sat Oct 21 22:50:57 2006 +0000
@@ -473,7 +473,7 @@
 			break;
 		}
 
-		if (HandleEditBoxKey(w, &WP(w, network_ql_d).q, 3, e, CS_ALPHANUMERAL) == 1) break; // enter pressed
+		if (HandleEditBoxKey(w, &WP(w, network_ql_d).q, 3, e) == 1) break; // enter pressed
 
 		// The name is only allowed when it starts with a letter!
 		if (_edit_str_buf[0] != '\0' && _edit_str_buf[0] != ' ') {
@@ -567,6 +567,7 @@
 		querystr->text.maxlength = lengthof(_edit_str_buf);
 		querystr->text.maxwidth = 120;
 		querystr->text.buf = _edit_str_buf;
+		querystr->afilter = CS_ALPHANUMERAL;
 		UpdateTextBufferSize(&querystr->text);
 
 		UpdateNetworkGameWindow(true);
@@ -716,7 +717,7 @@
 
 	case WE_KEYPRESS:
 		if (nd->field == 3) {
-			if (HandleEditBoxKey(w, &WP(w, network_ql_d).q, 3, e, CS_ALPHANUMERAL) == 1) break; // enter pressed
+			if (HandleEditBoxKey(w, &WP(w, network_ql_d).q, 3, e) == 1) break; // enter pressed
 
 			ttd_strlcpy(_network_server_name, WP(w, network_ql_d).q.text.buf, sizeof(_network_server_name));
 			UpdateTextBufferSize(&WP(w, network_ql_d).q.text);
@@ -784,6 +785,7 @@
 	WP(w, network_ql_d).q.text.maxlength = lengthof(_edit_str_buf);
 	WP(w, network_ql_d).q.text.maxwidth = 160;
 	WP(w, network_ql_d).q.text.buf = _edit_str_buf;
+	WP(w, network_ql_d).q.afilter = CS_ALPHANUMERAL;
 	UpdateTextBufferSize(&WP(w, network_ql_d).q.text);
 }
 
@@ -1665,7 +1667,7 @@
 			ChatTabCompletion(w);
 		} else {
 			_chat_tab_completion_active = false;
-			switch (HandleEditBoxKey(w, &WP(w, querystr_d), 2, e, CS_ALPHANUMERAL)) {
+			switch (HandleEditBoxKey(w, &WP(w, querystr_d), 2, e)) {
 				case 1: { /* Return */
 				DestType type = GB(WP(w, querystr_d).caption, 0, 8);
 				byte dest = GB(WP(w, querystr_d).caption, 8, 8);
@@ -1714,6 +1716,7 @@
 	WP(w,querystr_d).caption = GB(type, 0, 8) | (dest << 8); // Misuse of caption
 	WP(w,querystr_d).wnd_class = WC_MAIN_TOOLBAR;
 	WP(w,querystr_d).wnd_num = 0;
+	WP(w,querystr_d).afilter = CS_ALPHANUMERAL;
 	WP(w,querystr_d).text.caret = false;
 	WP(w,querystr_d).text.maxlength = lengthof(_edit_str_buf);
 	WP(w,querystr_d).text.maxwidth = w->widget[2].right - w->widget[2].left - 2; // widget[1] is the "text box"