add some more missing checks.

13 files changed, 44 insertions, 22 deletions

diff --git a/src/client.cpp b/src/client.cpp
index 974853279..7ff47e506 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -755,9 +755,11 @@ void Client::gameClear()
         logger->log1("Quitting1");
     config.removeListeners(this);
 
-    userPalette = nullptr;
+    delete setupWindow;
     setupWindow = nullptr;
+    delete helpWindow;
     helpWindow = nullptr;
+    delete didYouKnowWindow;
     didYouKnowWindow = nullptr;
 
     SDL_RemoveTimer(mLogicCounterId);
diff --git a/src/game.cpp b/src/game.cpp
index 0993ef34d..2f6916910 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -339,6 +339,7 @@ static void destroyGuiWindows()
     del_0(debugChatTab)
     del_0(tradeChatTab)
     del_0(battleChatTab)
+    del_0(langChatTab)
     del_0(gmChatTab);
     logger->log("start deleting");
     del_0(emoteWindow);
diff --git a/src/gui/didyouknowwindow.cpp b/src/gui/didyouknowwindow.cpp
index 338b70bf2..4c8a96e51 100644
--- a/src/gui/didyouknowwindow.cpp
+++ b/src/gui/didyouknowwindow.cpp
@@ -70,7 +70,8 @@ DidYouKnowWindow::DidYouKnowWindow() :
     setResizable(true);
     setStickyButtonLock(true);
 
-    setupWindow->registerWindowForReset(this);
+    if (setupWindow)
+        setupWindow->registerWindowForReset(this);
     setDefaultSize(500, 400, ImageRect::CENTER);
 
     mBrowserBox->setOpaque(false);
diff --git a/src/gui/helpwindow.cpp b/src/gui/helpwindow.cpp
index d41f8a550..f6064d58a 100644
--- a/src/gui/helpwindow.cpp
+++ b/src/gui/helpwindow.cpp
@@ -63,7 +63,8 @@ HelpWindow::HelpWindow() :
     setResizable(true);
     setStickyButtonLock(true);
 
-    setupWindow->registerWindowForReset(this);
+    if (setupWindow)
+        setupWindow->registerWindowForReset(this);
 
     setDefaultSize(500, 400, ImageRect::CENTER);
 
diff --git a/src/gui/minimap.cpp b/src/gui/minimap.cpp
index 641f9f9f9..cca582099 100644
--- a/src/gui/minimap.cpp
+++ b/src/gui/minimap.cpp
@@ -66,7 +66,8 @@ Minimap::Minimap() :
     // set this to false as the minimap window size is changed
     // depending on the map size
     setResizable(true);
-    setupWindow->registerWindowForReset(this);
+    if (setupWindow)
+        setupWindow->registerWindowForReset(this);
 
     setDefaultVisible(true);
     setSaveVisible(true);
diff --git a/src/gui/setup_input.cpp b/src/gui/setup_input.cpp
index fa77996dd..d4d86ce61 100644
--- a/src/gui/setup_input.cpp
+++ b/src/gui/setup_input.cpp
@@ -125,10 +125,9 @@ Setup_Input::Setup_Input(const Widget2 *const widget) :
     refreshKeys();
     mKeyList->addActionListener(this);
 
-    ScrollArea *const scrollArea = new ScrollArea(mKeyList,
+    mScrollArea = new ScrollArea(mKeyList,
         true, "setup_input_background.xml");
-    scrollArea->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
-
+    mScrollArea->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
     mAssignKeyButton->addActionListener(this);
     mAssignKeyButton->setEnabled(false);
     mUnassignKeyButton->addActionListener(this);
@@ -152,7 +151,7 @@ Setup_Input::Setup_Input(const Widget2 *const widget) :
     ContainerPlacer place = h.getPlacer(0, 0);
 
     place(0, 0, mTabs, 5);
-    place(0, 1, scrollArea, 5, 5).setPadding(2);
+    place(0, 1, mScrollArea, 5, 5).setPadding(2);
     place(0, 6, mResetKeysButton);
     place(2, 6, mAssignKeyButton);
     place(3, 6, mUnassignKeyButton);
@@ -180,6 +179,8 @@ Setup_Input::~Setup_Input()
     mResetKeysButton = nullptr;
     delete [] mActionDataSize;
     mActionDataSize = nullptr;
+    delete mScrollArea;
+    mScrollArea = nullptr;
 }
 
 void Setup_Input::apply()
diff --git a/src/gui/setup_input.h b/src/gui/setup_input.h
index 10fc2a32f..0e0420fc6 100644
--- a/src/gui/setup_input.h
+++ b/src/gui/setup_input.h
@@ -32,6 +32,7 @@ class Button;
 class CheckBox;
 class ListBox;
 class KeyListModel;
+class ScrollArea;
 class TabStrip;
 
 struct SetupActionData;
@@ -96,6 +97,7 @@ class Setup_Input final : public SetupTab
         Button *mDefaultButton;
         Button *mResetKeysButton;
         TabStrip *mTabs;
+        ScrollArea *mScrollArea;
         bool mKeySetting; /**< flag to check if key being set. */
         int *mActionDataSize;
 };
diff --git a/src/gui/shortcutwindow.cpp b/src/gui/shortcutwindow.cpp
index 87b43e758..8bd64c9ff 100644
--- a/src/gui/shortcutwindow.cpp
+++ b/src/gui/shortcutwindow.cpp
@@ -74,7 +74,8 @@ ShortcutWindow::ShortcutWindow(const std::string &title,
     mDragOffsetY = 0;
 
     content->setWidget2(this);
-    setupWindow->registerWindowForReset(this);
+    if (setupWindow)
+        setupWindow->registerWindowForReset(this);
 
     const int border = SCROLL_PADDING * 2 + getPadding() * 2;
     setMinWidth(mItems->getBoxWidth() + border);
@@ -123,7 +124,8 @@ ShortcutWindow::ShortcutWindow(const std::string &title,
     mDragOffsetX = 0;
     mDragOffsetY = 0;
 
-    setupWindow->registerWindowForReset(this);
+    if (setupWindow)
+        setupWindow->registerWindowForReset(this);
 
     const int border = SCROLL_PADDING * 2 + getPadding() * 2;
 
diff --git a/src/gui/skilldialog.cpp b/src/gui/skilldialog.cpp
index c30717f7b..812521391 100644
--- a/src/gui/skilldialog.cpp
+++ b/src/gui/skilldialog.cpp
@@ -271,7 +271,8 @@ SkillDialog::SkillDialog() :
     setSaveVisible(true);
     setStickyButtonLock(true);
     setDefaultSize(windowContainer->getWidth() - 280, 30, 275, 425);
-    setupWindow->registerWindowForReset(this);
+    if (setupWindow)
+        setupWindow->registerWindowForReset(this);
 
     mUseButton->setEnabled(false);
     mIncreaseButton->setEnabled(false);
diff --git a/src/gui/socialwindow.cpp b/src/gui/socialwindow.cpp
index c182df9ab..f25ca3e37 100644
--- a/src/gui/socialwindow.cpp
+++ b/src/gui/socialwindow.cpp
@@ -1302,7 +1302,8 @@ SocialWindow::SocialWindow() :
     setMinWidth(120);
     setMinHeight(55);
     setDefaultSize(590, 200, 180, 300);
-    setupWindow->registerWindowForReset(this);
+    if (setupWindow)
+        setupWindow->registerWindowForReset(this);
 
     place(0, 0, mCreateButton);
     place(1, 0, mInviteButton);
diff --git a/src/gui/statuswindow.cpp b/src/gui/statuswindow.cpp
index 1e1c0fe4d..fe5ec917d 100644
--- a/src/gui/statuswindow.cpp
+++ b/src/gui/statuswindow.cpp
@@ -165,7 +165,8 @@ StatusWindow::StatusWindow() :
     listen(CHANNEL_ATTRIBUTES);
 
     setWindowName("Status");
-    setupWindow->registerWindowForReset(this);
+    if (setupWindow)
+        setupWindow->registerWindowForReset(this);
     setResizable(true);
     setCloseButton(true);
     setSaveVisible(true);
diff --git a/src/gui/widgets/scrollarea.cpp b/src/gui/widgets/scrollarea.cpp
index 98b58f51c..c21ddd17c 100644
--- a/src/gui/widgets/scrollarea.cpp
+++ b/src/gui/widgets/scrollarea.cpp
@@ -102,9 +102,9 @@ ScrollArea::~ScrollArea()
     const Theme *const theme = Theme::instance();
     if (theme)
     {
-        theme->unloadRect(background);
         if (instances == 0)
         {
+            theme->unloadRect(background);
             theme->unloadRect(vMarker);
             theme->unloadRect(vMarkerHi);
             theme->unloadRect(vBackground);
@@ -135,12 +135,6 @@ void ScrollArea::init(std::string skinName)
     setLeftButtonScrollAmount(2);
     setRightButtonScrollAmount(2);
 
-    if (skinName == "")
-        skinName = "scroll_background.xml";
-    Theme *const theme = Theme::instance();
-    if (theme)
-        theme->loadRect(background, skinName, "scroll_background.xml");
-
     if (instances == 0)
     {
         for (int f = 0; f < 9; f ++)
@@ -152,6 +146,13 @@ void ScrollArea::init(std::string skinName)
             hBackground.grid[f] = nullptr;
         }
 
+        // +++ here probably need move background from static
+        if (skinName == "")
+            skinName = "scroll_background.xml";
+        Theme *const theme = Theme::instance();
+        if (theme)
+            theme->loadRect(background, skinName, "scroll_background.xml");
+
         if (theme)
         {
             theme->loadRect(vMarker, "scroll.xml", "");
@@ -169,7 +170,8 @@ void ScrollArea::init(std::string skinName)
                 const ImageRect &rect = skin->getBorder();
                 for (int f = UP; f < BUTTONS_DIR; f ++)
                 {
-                    rect.grid[f]->incRef();
+                    if (rect.grid[f])
+                        rect.grid[f]->incRef();
                     buttons[f][i] = rect.grid[f];
                 }
                 if (i == 0)
@@ -188,7 +190,6 @@ void ScrollArea::init(std::string skinName)
         }
     }
     mScrollbarWidth = mScrollbarSize;
-
     instances++;
 }
 
diff --git a/src/gui/windowmenu.cpp b/src/gui/windowmenu.cpp
index bc7e0f736..0e2cc5397 100644
--- a/src/gui/windowmenu.cpp
+++ b/src/gui/windowmenu.cpp
@@ -205,6 +205,13 @@ WindowMenu::~WindowMenu()
     }
     delete_all(mButtonTexts);
     mButtonTexts.clear();
+    if (mSkin)
+    {
+        Theme *const theme = Theme::instance();
+        if (theme)
+            theme->unload(mSkin);
+        mSkin = nullptr;
+    }
 }
 
 void WindowMenu::action(const gcn::ActionEvent &event)