From b2d1f0dfd6a9b9a00d85f36e9e3231e506cc630d Mon Sep 17 00:00:00 2001
From: ZedThree <zed.three@gmail.com>
Date: Fri, 9 May 2014 12:54:11 +0200
Subject: [PATCH] Add functions for closing top/all window(s)

---
 src/window.c | 45 +++++++++++++++++++++++++++++++++++++++++++--
 src/window.h |  2 ++
 2 files changed, 45 insertions(+), 2 deletions(-)

diff --git a/src/window.c b/src/window.c
index 0a7f726040..9ce9708cdf 100644
--- a/src/window.c
+++ b/src/window.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
-* Copyright (c) 2014 Ted John
+* Copyright (c) 2014 Ted John, Peter Hill
 * OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
 *
 * This file is part of OpenRCT2.
@@ -493,6 +493,47 @@ rct_window *window_find_by_id(rct_windowclass cls, rct_windownumber number)
 	return NULL;
 }
 
+/**
+ *  Closes the top-most window
+ *
+ *  rct2: 0x006E403C
+ */
+void window_close_top() {
+  rct_window* w;
+
+    window_close_by_id(WC_DROPDOWN, 0);
+
+    if (RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_FLAGS, uint8) & 2) {
+      if (RCT2_ADDRESS(0x0141F570, uint8) != 1) {
+	return;
+      }
+    }
+    for (w = RCT2_FIRST_WINDOW; w < RCT2_LAST_WINDOW; w++){
+      if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))) {
+	window_close(w);
+	return;
+      }
+    }
+}
+
+/**
+ *  Closes all open windows
+ *
+ *  rct2: 0x006EE927
+ */
+void window_close_all() {
+  rct_window* w;
+
+    window_close_by_id(WC_DROPDOWN, 0);
+
+    for (w = RCT2_FIRST_WINDOW; w < RCT2_LAST_WINDOW; w++){
+      if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT))) {
+		window_close(w);
+		w = RCT2_FIRST_WINDOW;
+      }
+    }
+}
+
 /**
  * 
  *  rct2: 0x006EA845
@@ -1203,4 +1244,4 @@ void window_guest_list_init_vars_b() {
 	RCT2_GLOBAL(0x00F1EE02, uint32) = 0xFFFFFFFF;
 	RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_GUEST_LIST_SELECTED_FILTER, uint8) = 0xFF;
 	RCT2_GLOBAL(0x00F1AF20, uint16) = 0;
-}
\ No newline at end of file
+}
diff --git a/src/window.h b/src/window.h
index 956507fa1e..a9dad108d6 100644
--- a/src/window.h
+++ b/src/window.h
@@ -291,6 +291,8 @@ rct_window *window_create(int x, int y, int width, int height, uint32 *event_han
 rct_window *window_create_auto_pos(int width, int height, uint32 *event_handlers, rct_windowclass cls, uint16 flags);
 void window_close(rct_window *window);
 void window_close_by_id(rct_windowclass cls, rct_windownumber number);
+void window_close_top();
+void window_close_all();
 rct_window *window_find_by_id(rct_windowclass cls, rct_windownumber number);
 rct_window *window_find_from_point(int x, int y);
 int window_find_widget_from_point(rct_window *w, int x, int y);