From 92a3a3a8a551f32abc9654d3731ae3d297280878 Mon Sep 17 00:00:00 2001
From: Cameron Cawley
Date: Sat, 10 Aug 2019 18:37:58 +0100
Subject: GRAPHICS: MACGUI: Allow loading menus from resource forks

---
 graphics/macgui/macmenu.cpp | 47 +++++++++++++++++++++++++++++++++++++++++++++
 graphics/macgui/macmenu.h   |  3 +++
 2 files changed, 50 insertions(+)

(limited to 'graphics')

diff --git a/graphics/macgui/macmenu.cpp b/graphics/macgui/macmenu.cpp
index a966f98616..af906aa33a 100644
--- a/graphics/macgui/macmenu.cpp
+++ b/graphics/macgui/macmenu.cpp
@@ -22,6 +22,7 @@
 
 #include "common/system.h"
 #include "common/keyboard.h"
+#include "common/macresman.h"
 
 #include "graphics/primitives.h"
 #include "graphics/font.h"
@@ -307,6 +308,52 @@ void MacMenu::calcDimensions() {
 	}
 }
 
+void MacMenu::loadMenuResource(Common::MacResManager *resFork, uint16 id) {
+	Common::SeekableReadStream *res = resFork->getResource(MKTAG('M', 'E', 'N', 'U'), id);
+	assert(res);
+
+	uint16 menuID = res->readUint16BE();
+	/* uint16 width = */ res->readUint16BE();
+	/* uint16 height = */ res->readUint16BE();
+	/* uint16 resourceID = */ res->readUint16BE();
+	/* uint16 placeholder = */ res->readUint16BE();
+	uint32 initialState = res->readUint32BE();
+	Common::String menuTitle = res->readPascalString();
+
+	if (!menuTitle.empty()) {
+		int menu = addMenuItem(menuTitle);
+		initialState >>= 1;
+
+		// Read submenu items
+		int action = menuID << 16;
+		while (true) {
+			Common::String subMenuTitle = res->readPascalString();
+			if (subMenuTitle.empty())
+				break;
+
+			/* uint8 icon = */ res->readByte();
+			uint8 key = res->readByte();
+			/* uint8 mark = */ res->readByte();
+			uint8 style = res->readByte();
+
+			addMenuSubItem(menu, subMenuTitle, action++, style, key, initialState & 1);
+			initialState >>= 1;
+		}
+	}
+
+	delete res;
+}
+
+void MacMenu::loadMenuBarResource(Common::MacResManager *resFork, uint16 id) {
+	Common::SeekableReadStream *res = resFork->getResource(MKTAG('M', 'B', 'A', 'R'), id);
+	assert(res);
+
+	uint16 count = res->readUint16BE();
+	for (int i = 0; i < count; i++) {
+		loadMenuResource(resFork, res->readUint16BE());
+	}
+}
+
 void MacMenu::clearSubMenu(int id) {
 	MacMenuItem *menu = _items[id];
 
diff --git a/graphics/macgui/macmenu.h b/graphics/macgui/macmenu.h
index 388e662938..e531be6ead 100644
--- a/graphics/macgui/macmenu.h
+++ b/graphics/macgui/macmenu.h
@@ -28,6 +28,7 @@
 
 namespace Common {
 class U32String;
+class MacResManager;
 }
 
 namespace Graphics {
@@ -61,6 +62,8 @@ public:
 	int addMenuItem(const Common::U32String &name);
 	void addMenuSubItem(int id, const Common::String &text, int action, int style = 0, char shortcut = 0, bool enabled = true);
 	void addMenuSubItem(int id, const Common::U32String &text, int action, int style = 0, char shortcut = 0, bool enabled = true);
+	void loadMenuResource(Common::MacResManager *resFork, uint16 id);
+	void loadMenuBarResource(Common::MacResManager *resFork, uint16 id);
 	void createSubMenuFromString(int id, const char *string, int commandId);
 	void clearSubMenu(int id);
 
-- 
cgit v1.2.3