From 4012f85eec50f9e0c7af17d4ba13852a87a02590 Mon Sep 17 00:00:00 2001
From: yexo <yexo@openttd.org>
Date: Sat, 3 Jul 2010 20:14:56 +0000
Subject: [PATCH] (svn r20067) -Add: special modifier (GLOBAL) to mark hotkeys
 as global hotkeys

---
 src/gfx_type.h  | 4 +++-
 src/hotkeys.cpp | 1 +
 src/hotkeys.h   | 9 +++++----
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/gfx_type.h b/src/gfx_type.h
index 87b9849817..8c4bf918fe 100644
--- a/src/gfx_type.h
+++ b/src/gfx_type.h
@@ -32,7 +32,9 @@ enum WindowKeyCodes {
 	WKC_ALT   = 0x2000,
 	WKC_META  = 0x1000,
 
-	WKC_SPECIAL_KEYS = WKC_SHIFT | WKC_CTRL | WKC_ALT | WKC_META,
+	WKC_GLOBAL_HOTKEY = 0x0800, ///< Fake keycode bit to indicate global hotkeys
+
+	WKC_SPECIAL_KEYS = WKC_SHIFT | WKC_CTRL | WKC_ALT | WKC_META | WKC_GLOBAL_HOTKEY,
 
 	/* Special ones */
 	WKC_NONE        =  0,
diff --git a/src/hotkeys.cpp b/src/hotkeys.cpp
index baafb09408..41a809bb96 100644
--- a/src/hotkeys.cpp
+++ b/src/hotkeys.cpp
@@ -30,6 +30,7 @@ static const KeycodeNames _keycode_to_name[] = {
 	{"CTRL", WKC_CTRL},
 	{"ALT", WKC_ALT},
 	{"META", WKC_META},
+	{"GLOBAL", WKC_GLOBAL_HOTKEY},
 	{"ESC", WKC_ESC},
 	{"DEL", WKC_DELETE},
 	{"RETURN", WKC_RETURN},
diff --git a/src/hotkeys.h b/src/hotkeys.h
index b8b1e0984f..e63cc573fa 100644
--- a/src/hotkeys.h
+++ b/src/hotkeys.h
@@ -52,7 +52,7 @@ struct Hotkey {
 		} else {
 			this->callback = new CallbackWrapper(callback);
 		}
-		if (default_keycode != 0) *this->keycodes.Append() = default_keycode;
+		if (default_keycode != 0) this->AddKeycode(default_keycode);
 	}
 
 	/**
@@ -74,7 +74,7 @@ struct Hotkey {
 
 		const uint16 *keycode = default_keycodes;
 		while (*keycode != 0) {
-			this->keycodes.Include(*keycode);
+			this->AddKeycode(*keycode);
 			keycode++;
 		}
 	}
@@ -107,13 +107,14 @@ struct Hotkey {
  * @param list The list with hotkeys to check
  * @param keycode The keycode that was pressed
  * @param w The window-pointer to give to the callback function (if any).
+ * @param global_only Limit the search to hotkeys defined as 'global'.
  * @return The number of the matching hotkey or -1.
  */
 template<class T>
-int CheckHotkeyMatch(Hotkey<T> *list, uint16 keycode, T *w)
+int CheckHotkeyMatch(Hotkey<T> *list, uint16 keycode, T *w, bool global_only = false)
 {
 	while (list->num != -1) {
-		if (list->keycodes.Contains(keycode)) {
+		if (list->keycodes.Contains(keycode | WKC_GLOBAL_HOTKEY) || (!global_only && list->keycodes.Contains(keycode))) {
 			if (list->callback != NULL) (w->*(list->callback->callback))(-1);
 			return list->num;
 		}