Index: ps/trunk/binaries/data/mods/public/gui/gamesetup/gamesetup.js
===================================================================
--- ps/trunk/binaries/data/mods/public/gui/gamesetup/gamesetup.js
+++ ps/trunk/binaries/data/mods/public/gui/gamesetup/gamesetup.js
@@ -1188,6 +1188,18 @@
 	},
 };
 
+var g_Hotkeys = {
+	"civinfo": () => {
+		Engine.PushGuiPage("page_civinfo.xml", { "civ": g_CivInfo.code }, storeCivInfoPage);
+	},
+	"structree": () => {
+		Engine.PushGuiPage("page_structree.xml", { "civ": g_CivInfo.civ }, storeCivInfoPage);
+	},
+	"cancel": () => {
+		selectPanel(undefined);
+	}
+};
+
 /**
  * Initializes some globals without touching the GUI.
  *
@@ -1273,6 +1285,7 @@
 {
 	initSettingObjects();
 	initSettingsTabButtons();
+	initHotkeys();
 	initSPTips();
 
 	loadPersistMatchSettings();
@@ -1472,6 +1485,12 @@
 	};
 }
 
+function initHotkeys()
+{
+	for (let hotkeyName in g_Hotkeys)
+		Engine.SetGlobalHotkey(hotkeyName, g_Hotkeys[hotkeyName]);
+}
+
 function initSettingsTabButtons()
 {
 	for (let tab in g_SettingsTabsGUI)
Index: ps/trunk/binaries/data/mods/public/gui/gamesetup/gamesetup.xml
===================================================================
--- ps/trunk/binaries/data/mods/public/gui/gamesetup/gamesetup.xml
+++ ps/trunk/binaries/data/mods/public/gui/gamesetup/gamesetup.xml
@@ -5,18 +5,6 @@
 	<script directory="gui/common/"/>
 	<script directory="gui/gamesetup/"/>
 
-	<object	hotkey="civinfo">
-		<action on="Press">Engine.PushGuiPage("page_civinfo.xml", { "civ": g_CivInfo.civ }, storeCivInfoPage);</action>
-	</object>
-
-	<object	hotkey="structree">
-		<action on="Press">Engine.PushGuiPage("page_structree.xml", { "civ": g_CivInfo.civ }, storeCivInfoPage);</action>
-	</object>
-
-	<object hotkey="cancel">
-		<action on="Press">selectPanel(undefined);</action>
-	</object>
-
 	<!-- Add a translucent black background to fade out the menu page -->
 	<object type="image" style="ModernWindow" size="0 0 100% 100%">
 
Index: ps/trunk/source/gui/CGUI.h
===================================================================
--- ps/trunk/source/gui/CGUI.h
+++ ps/trunk/source/gui/CGUI.h
@@ -154,6 +154,12 @@
 	void UnsetObjectHotkey(IGUIObject* pObject, const CStr& hotkeyTag);
 
 	/**
+	 * Allows the JS side to add or remove global hotkeys.
+	 */
+	void SetGlobalHotkey(const CStr& hotkeyTag, JS::HandleValue function);
+	void UnsetGlobalHotkey(const CStr& hotkeyTag);
+
+	/**
 	 * Return the object which is an ancestor of every other GUI object.
 	 */
 	IGUIObject* GetBaseObject() const { return m_BaseObject; };
@@ -634,6 +640,12 @@
 	 */
 	std::map<CStr, std::vector<IGUIObject*> > m_HotkeyObjects;
 
+	/**
+	 * Map from hotkey names to functions that are triggered if the hotkey is pressed.
+	 * Contrary to object hotkeys, this allows for only one global function per hotkey name.
+	 */
+	std::map<CStr, JS::PersistentRootedValue> m_GlobalHotkeys;
+
 	//--------------------------------------------------------
 	//	Databases
 	//	These are loaded from XML files and marked as noncopyable and const to
Index: ps/trunk/source/gui/CGUI.cpp
===================================================================
--- ps/trunk/source/gui/CGUI.cpp
+++ ps/trunk/source/gui/CGUI.cpp
@@ -71,6 +71,18 @@
 	{
 		const char* hotkey = static_cast<const char*>(ev->ev.user.data1);
 
+		if (m_GlobalHotkeys.count(hotkey))
+		{
+			HotkeyInputHandler(ev);
+			ret = IN_HANDLED;
+
+			JSContext* cx = m_ScriptInterface->GetContext();
+			JSAutoRequest rq(cx);
+			JS::RootedObject globalObj(cx, &GetGlobalObject().toObject());
+			JS::RootedValue result(cx);
+			JS_CallFunctionValue(cx, globalObj, m_GlobalHotkeys[hotkey], JS::HandleValueArray::empty(), &result);
+		}
+
 		std::map<CStr, std::vector<IGUIObject*> >::iterator it = m_HotkeyObjects.find(hotkey);
 		if (it != m_HotkeyObjects.end())
 			for (IGUIObject* const& obj : it->second)
@@ -488,6 +500,32 @@
 		assignment.end());
 }
 
+void CGUI::SetGlobalHotkey(const CStr& hotkeyTag, JS::HandleValue function)
+{
+	JSContext* cx = m_ScriptInterface->GetContext();
+	JSAutoRequest rq(cx);
+
+	if (hotkeyTag.empty())
+	{
+		JS_ReportError(cx, "Cannot assign a function to an empty hotkey identifier!");
+		return;
+	}
+
+	if (!function.isObject() || !JS_ObjectIsFunction(cx, &function.toObject()))
+	{
+		JS_ReportError(cx, "Cannot assign non-function value to global hotkey '%s'", hotkeyTag.c_str());
+		return;
+	}
+
+	UnsetGlobalHotkey(hotkeyTag);
+	m_GlobalHotkeys[hotkeyTag].init(cx, function);
+}
+
+void CGUI::UnsetGlobalHotkey(const CStr& hotkeyTag)
+{
+	m_GlobalHotkeys.erase(hotkeyTag);
+}
+
 const SGUIScrollBarStyle* CGUI::GetScrollBarStyle(const CStr& style) const
 {
 	std::map<CStr, const SGUIScrollBarStyle>::const_iterator it = m_ScrollBarStyles.find(style);
Index: ps/trunk/source/gui/scripting/JSInterface_GUIManager.h
===================================================================
--- ps/trunk/source/gui/scripting/JSInterface_GUIManager.h
+++ ps/trunk/source/gui/scripting/JSInterface_GUIManager.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2018 Wildfire Games.
+/* Copyright (C) 2019 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -27,6 +27,8 @@
 	void SwitchGuiPage(ScriptInterface::CxPrivate* pCxPrivate, const std::wstring& name, JS::HandleValue initData);
 	void PopGuiPage(ScriptInterface::CxPrivate* pCxPrivate, JS::HandleValue args);
 	JS::Value GetGUIObjectByName(ScriptInterface::CxPrivate* pCxPrivate, const std::string& name);
+	void SetGlobalHotkey(ScriptInterface::CxPrivate* pCxPrivate, const std::string& hotkeyTag, JS::HandleValue function);
+	void UnsetGlobalHotkey(ScriptInterface::CxPrivate* pCxPrivate, const std::string& hotkeyTag);
 	std::wstring SetCursor(ScriptInterface::CxPrivate* pCxPrivate, const std::wstring& name);
 	void ResetCursor(ScriptInterface::CxPrivate* pCxPrivate);
 	bool TemplateExists(ScriptInterface::CxPrivate* pCxPrivate, const std::string& templateName);
Index: ps/trunk/source/gui/scripting/JSInterface_GUIManager.cpp
===================================================================
--- ps/trunk/source/gui/scripting/JSInterface_GUIManager.cpp
+++ ps/trunk/source/gui/scripting/JSInterface_GUIManager.cpp
@@ -61,6 +61,18 @@
 	return JS::ObjectValue(*guiObj->GetJSObject());
 }
 
+void JSI_GUIManager::SetGlobalHotkey(ScriptInterface::CxPrivate* pCxPrivate, const std::string& hotkeyTag, JS::HandleValue function)
+{
+	CGUI* guiPage = static_cast<CGUI*>(pCxPrivate->pCBData);
+	guiPage->SetGlobalHotkey(hotkeyTag, function);
+}
+
+void JSI_GUIManager::UnsetGlobalHotkey(ScriptInterface::CxPrivate* pCxPrivate, const std::string& hotkeyTag)
+{
+	CGUI* guiPage = static_cast<CGUI*>(pCxPrivate->pCBData);
+	guiPage->UnsetGlobalHotkey(hotkeyTag);
+}
+
 std::wstring JSI_GUIManager::SetCursor(ScriptInterface::CxPrivate* UNUSED(pCxPrivate), const std::wstring& name)
 {
 	std::wstring old = g_CursorName;
@@ -87,6 +99,8 @@
 {
 	scriptInterface.RegisterFunction<void, std::wstring, JS::HandleValue, JS::HandleValue, &PushGuiPage>("PushGuiPage");
 	scriptInterface.RegisterFunction<void, std::wstring, JS::HandleValue, &SwitchGuiPage>("SwitchGuiPage");
+	scriptInterface.RegisterFunction<void, std::string, JS::HandleValue, &SetGlobalHotkey>("SetGlobalHotkey");
+	scriptInterface.RegisterFunction<void, std::string, &UnsetGlobalHotkey>("UnsetGlobalHotkey");
 	scriptInterface.RegisterFunction<void, JS::HandleValue, &PopGuiPage>("PopGuiPage");
 	scriptInterface.RegisterFunction<JS::Value, std::string, &GetGUIObjectByName>("GetGUIObjectByName");
 	scriptInterface.RegisterFunction<std::wstring, std::wstring, &SetCursor>("SetCursor");