KeymapManager - implemented loading/saving of keymaps

- Refactoring of code to map a key to a UserAction - now we call a method on UserAction to do it (and it then tells the Keymap class)
- General cleanup of code

svn-id: r33262

1 files changed, 16 insertions, 25 deletions

diff --git a/backends/common/keymap.cpp b/backends/common/keymap.cpp
index 770e308fbc..639b03f78f 100644
--- a/backends/common/keymap.cpp
+++ b/backends/common/keymap.cpp
@@ -1,12 +1,14 @@
 #include "backends/common/keymap.h"
+#include "backends/common/hardware-key.h"
 
 namespace Common {
 
 Keymap::Keymap(const Keymap& km) : _actions(km._actions), _keymap() {
 	init();
 	for (uint i = 0; i < _actions.size(); i++) {
-		if (_actions[i].hwKey) {
-			_keymap[_actions[i].hwKey->key] = &_actions[i];
+		const HardwareKey *hwKey = _actions[i].getMappedKey();
+		if (hwKey) {
+			_keymap[hwKey->key] = &_actions[i];
 		}
 	}
 }
@@ -15,41 +17,30 @@ void Keymap::init() {
 	_actions.reserve(20);
 }
 
-void Keymap::addAction(const UserAction& action) {
+void Keymap::addAction(UserAction& action) {
 	if (findUserAction(action.id))
-		error("UserAction with id %d already in KeyMap!\n", action.id);
+		error("UserAction with id %d already in KeyMap!", action.id);
+	action.setParent(this);
 	_actions.push_back(action);
-	_actions[_actions.size()-1].hwKey = 0;
 }
 
-void Keymap::mapKeyToAction(UserAction *action, HardwareKey *key) {
-	for (uint i = 0; i < _actions.size(); i++) {
-		if (&_actions[i] == action) {
-			internalMapKey(action, key);
-			return;
-		}
-	}
-	error("UserAction not contained in KeyMap\n");
-}
-
-void Keymap::mapKeyToAction(int32 id, HardwareKey *key) {
-	UserAction *act = findUserAction(id);
-	if (act)
-		internalMapKey(act, key);
-}
-
-void Keymap::internalMapKey(UserAction *action, HardwareKey *hwKey) {
+void Keymap::registerMapping(UserAction *action, const HardwareKey *hwKey) {
 	HashMap<KeyState, UserAction*>::iterator it;
 	it = _keymap.find(hwKey->key);
 	// if key is already mapped to an action then un-map it
 	if (it != _keymap.end())
-		it->_value->hwKey = 0;
+		it->_value->mapKey(0);
 
-	action->hwKey = hwKey;
 	_keymap[hwKey->key] = action;
 }
 
-const UserAction *Keymap::getUserAction(int32 id) const {
+void Keymap::unregisterMapping(UserAction *action) {
+	const HardwareKey *hwKey = action->getMappedKey();
+	if (hwKey)
+		_keymap[hwKey->key] = 0;
+}
+
+UserAction *Keymap::getUserAction(int32 id) {
 	return findUserAction(id);
 }