From 7b5bf01f9fc6204ea94689ec15c41b1f56ab0e47 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 9 Dec 2012 18:07:17 +0300
Subject: On the fly from settings show hide on screen joystick and buttons.

---
 src/touchmanager.cpp | 119 ++++++++++++++++++++++++++++++++++++++++-----------
 src/touchmanager.h   |  16 ++++++-
 2 files changed, 108 insertions(+), 27 deletions(-)

diff --git a/src/touchmanager.cpp b/src/touchmanager.cpp
index 5b04b2023..359eebbf9 100644
--- a/src/touchmanager.cpp
+++ b/src/touchmanager.cpp
@@ -47,6 +47,7 @@ TouchManager::TouchManager() :
 
 TouchManager::~TouchManager()
 {
+    config.removeListeners(this);
     clear();
     delete mVertexes;
     mVertexes = nullptr;
@@ -54,23 +55,21 @@ TouchManager::~TouchManager()
 
 void TouchManager::init()
 {
+    config.addListener("showScreenJoystick", this);
+    config.addListener("showScreenButtons", this);
+
+    mShowJoystick = config.getBoolValue("showScreenJoystick");
+    mShowButtons = config.getBoolValue("showScreenButtons");
+
 #ifdef ANDROID
     loadTouchItem(&mKeyboard, "keyboard_icon.xml", 28, 28, NORMAL,
         nullptr, nullptr, &showKeyboard, nullptr);
 #endif
 
-    if (config.getBoolValue("showScreenJoystick"))
-    {
-        loadTouchItem(&mPad, "dpad.xml", 100, 100, LEFT,
-            &padEvents, &padClick, &padUp, &padOut);
-    }
-    if (config.getBoolValue("showScreenButtons"))
-    {
-        loadTouchItem(&mAttack, "dpad_attack.xml", 60, 60, RIGHT,
-            nullptr, &attackClick, nullptr, nullptr);
-        loadTouchItem(&mCancel, "dpad_cancel.xml", 60, 60, RIGHT,
-            nullptr, &cancelClick, nullptr, nullptr);
-    }
+    if (mShowJoystick)
+        loadPad();
+    if (mShowButtons)
+        loadButtons();
 }
 
 void TouchManager::loadTouchItem(TouchItem **item, std::string name,
@@ -122,26 +121,13 @@ void TouchManager::loadTouchItem(TouchItem **item, std::string name,
 
 void TouchManager::clear()
 {
-//    unloadTouchItem(&mPad);
-//    unloadTouchItem(&mKeyboard);
-
     Theme *theme = Theme::instance();
     if (!theme)
         return;
     for (TouchItemVectorCIter it = mObjects.begin(), it_end = mObjects.end();
          it != it_end; ++ it)
     {
-        TouchItem *item = *it;
-        if (item)
-        {
-            if (item->images)
-            {
-                theme->unloadRect(*item->images);
-                delete item->images;
-                item->images = nullptr;
-            }
-            delete item;
-        }
+        unload(*it);
     }
     mObjects.clear();
     mRedraw = true;
@@ -270,3 +256,84 @@ void TouchManager::resize(int width, int height)
         }
     }
 }
+
+void TouchManager::unload(TouchItem *item)
+{
+    if (item)
+    {
+        Theme *const theme = Theme::instance();
+        if (!theme)
+            return;
+        if (item->images)
+        {
+            theme->unloadRect(*item->images);
+            delete item->images;
+            item->images = nullptr;
+        }
+        delete item;
+    }
+}
+
+void TouchManager::unloadTouchItem(TouchItem **unloadItem)
+{
+    Theme *theme = Theme::instance();
+    if (!theme)
+        return;
+    for (TouchItemVectorIter it = mObjects.begin(), it_end = mObjects.end();
+         it != it_end; ++ it)
+    {
+        TouchItem *item = *it;
+        if (item && *unloadItem == item)
+        {
+            mObjects.erase(it);
+            unload(item);
+            return;
+        }
+    }
+}
+
+void TouchManager::loadPad()
+{
+    loadTouchItem(&mPad, "dpad.xml", 100, 100, LEFT,
+        &padEvents, &padClick, &padUp, &padOut);
+}
+
+void TouchManager::loadButtons()
+{
+    loadTouchItem(&mAttack, "dpad_attack.xml", 60, 60, RIGHT,
+        nullptr, &attackClick, nullptr, nullptr);
+    loadTouchItem(&mCancel, "dpad_cancel.xml", 60, 60, RIGHT,
+        nullptr, &cancelClick, nullptr, nullptr);
+}
+
+void TouchManager::optionChanged(const std::string &value)
+{
+    logger->log("changed");
+    if (value == "showScreenJoystick")
+    {
+        if (mShowJoystick == config.getBoolValue("showScreenJoystick"))
+            return;
+        mShowJoystick = config.getBoolValue("showScreenJoystick");
+        if (mShowJoystick)
+            loadPad();
+        else
+            unloadTouchItem(&mPad);
+        mRedraw = true;
+    }
+    else if (value == "showScreenButtons")
+    {
+        if (mShowButtons == config.getBoolValue("showScreenButtons"))
+            return;
+        mShowButtons = config.getBoolValue("showScreenButtons");
+        if (mShowButtons)
+        {
+            loadButtons();
+        }
+        else
+        {
+            unloadTouchItem(&mAttack);
+            unloadTouchItem(&mCancel);
+        }
+        mRedraw = true;
+    }
+}
diff --git a/src/touchmanager.h b/src/touchmanager.h
index fb81a0beb..e3d76d910 100644
--- a/src/touchmanager.h
+++ b/src/touchmanager.h
@@ -23,6 +23,7 @@
 
 #include "resources/image.h"
 
+#include "configlistener.h"
 #include "keydata.h"
 
 #include <guichan/mouseinput.hpp>
@@ -80,8 +81,9 @@ struct TouchItem final
 
 typedef std::vector<TouchItem*> TouchItemVector;
 typedef TouchItemVector::const_iterator TouchItemVectorCIter;
+typedef TouchItemVector::iterator TouchItemVectorIter;
 
-class TouchManager final
+class TouchManager final : public ConfigListener
 {
     public:
         TouchManager();
@@ -120,6 +122,16 @@ class TouchManager final
 
         void resize(int width, int height);
 
+        void unload(TouchItem *item);
+
+        void unloadTouchItem(TouchItem **unloadItem);
+
+        void optionChanged(const std::string &value);
+
+        void loadPad();
+
+        void loadButtons();
+
     private:
         TouchItem *mKeyboard;
         TouchItem *mPad;
@@ -129,6 +141,8 @@ class TouchManager final
         ImageCollection *mVertexes;
         bool mActions[actionsSize];
         bool mRedraw;
+        bool mShowJoystick;
+        bool mShowButtons;
 };
 
 extern TouchManager touchManager;
-- 
cgit v1.2.3-60-g2f50