From 28df667ceb7fa74a1146a2bede0a908bc9dd3eb4 Mon Sep 17 00:00:00 2001
From: peter1138 <peter1138@openttd.org>
Date: Tue, 22 Nov 2005 14:02:45 +0000
Subject: [PATCH] (svn r3225) - Fix for "[ 1359165 ] Autoreplace problem with
 r3171 and later" -- Move the disabled/hidden bits to custom data in window
 struct.

---
 widget.c | 12 ++++++------
 window.h |  2 ++
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/widget.c b/widget.c
index acd401235b..8d0d3ad582 100644
--- a/widget.c
+++ b/widget.c
@@ -453,12 +453,12 @@ static int GetDropdownItem(const Window *w)
 		return - 1;
 
 	item = y / 10;
-	if (item >= WP(w,dropdown_d).num_items || (HASBIT(w->disabled_state, item) && !HASBIT(w->hidden_state, item)) || WP(w,dropdown_d).items[item] == 0)
+	if (item >= WP(w,dropdown_d).num_items || (HASBIT(WP(w,dropdown_d).disabled_state, item) && !HASBIT(WP(w,dropdown_d).hidden_state, item)) || WP(w,dropdown_d).items[item] == 0)
 		return - 1;
 
 	// Skip hidden items -- +1 for each hidden item before the clicked item.
 	for (counter = 0; item >= counter; ++counter)
-		if (HASBIT(w->hidden_state, counter)) item++;
+		if (HASBIT(WP(w,dropdown_d).hidden_state, counter)) item++;
 
 	return item;
 }
@@ -478,7 +478,7 @@ static void DropdownMenuWndProc(Window *w, WindowEvent *e)
 			sel    = WP(w,dropdown_d).selected_index;
 
 			for (i = 0; WP(w,dropdown_d).items[i] != INVALID_STRING_ID; i++) {
-				if (HASBIT(w->hidden_state, i)) {
+				if (HASBIT(WP(w,dropdown_d).hidden_state, i)) {
 					sel--;
 					continue;
 				}
@@ -486,7 +486,7 @@ static void DropdownMenuWndProc(Window *w, WindowEvent *e)
 					if (sel == 0) GfxFillRect(x + 1, y, x + w->width - 4, y + 9, 0);
 					DrawString(x + 2, y, WP(w,dropdown_d).items[i], sel == 0 ? 12 : 16);
 
-					if (HASBIT(w->disabled_state, i)) {
+					if (HASBIT(WP(w,dropdown_d).disabled_state, i)) {
 						GfxFillRect(x, y, x + w->width - 3, y + 9,
 							PALETTE_MODIFIER_GREYOUT | _color_list[_dropdown_menu_widgets[0].color].window_color_bga
 						);
@@ -603,8 +603,8 @@ void ShowDropDownMenu(Window *w, const StringID *strings, int selected, int butt
 
 	w2->flags4 &= ~WF_WHITE_BORDER_MASK;
 
-	w2->disabled_state = disabled_mask;
-	w2->hidden_state = hidden_mask;
+	WP(w2,dropdown_d).disabled_state = disabled_mask;
+	WP(w2,dropdown_d).hidden_state = hidden_mask;
 
 	WP(w2,dropdown_d).parent_wnd_class = w->window_class;
 	WP(w2,dropdown_d).parent_wnd_num = w->window_number;
diff --git a/window.h b/window.h
index 72886b369a..bffaf0d6e3 100644
--- a/window.h
+++ b/window.h
@@ -453,6 +453,8 @@ typedef struct message_d {
 assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(message_d));
 
 typedef struct dropdown_d {
+	uint32 disabled_state;
+	uint32 hidden_state;
 	WindowClass parent_wnd_class;
 	WindowNumber parent_wnd_num;
 	byte parent_button;