Clean variables after deleting.

6 files changed, 21 insertions, 2 deletions

diff --git a/src/guichan/gui.cpp b/src/guichan/gui.cpp
index f8376646f..45154fd39 100644
--- a/src/guichan/gui.cpp
+++ b/src/guichan/gui.cpp
@@ -85,6 +85,7 @@ namespace gcn
             setTop(NULL);
 
         delete mFocusHandler;
+        mFocusHandler = 0;
     }
 
     void Gui::setTop(Widget* top)
diff --git a/src/guichan/widgets/dropdown.cpp b/src/guichan/widgets/dropdown.cpp
index c666b47e4..da7ff754c 100644
--- a/src/guichan/widgets/dropdown.cpp
+++ b/src/guichan/widgets/dropdown.cpp
@@ -106,10 +106,16 @@ namespace gcn
         }
 
         if (mInternalScrollArea)
+        {
             delete mScrollArea;
+            mScrollArea = 0;
+        }
 
         if (mInternalListBox)
+        {
             delete mListBox;
+            mListBox = 0;
+        }
 
         setInternalFocusHandler(NULL);
     }
diff --git a/src/guichan/widgets/icon.cpp b/src/guichan/widgets/icon.cpp
index 687fadeab..a040dcc83 100644
--- a/src/guichan/widgets/icon.cpp
+++ b/src/guichan/widgets/icon.cpp
@@ -83,15 +83,14 @@ namespace gcn
         if (mInternalImage)
         {
             delete mImage;
+            mImage = 0;
         }
     }
 
     void Icon::setImage(const Image* image)
     {
         if (mInternalImage)
-        {
             delete mImage;
-        }
 
         mImage = image;
         mInternalImage = false;
diff --git a/src/guichan/widgets/imagebutton.cpp b/src/guichan/widgets/imagebutton.cpp
index a340face3..141b17b79 100644
--- a/src/guichan/widgets/imagebutton.cpp
+++ b/src/guichan/widgets/imagebutton.cpp
@@ -81,13 +81,19 @@ namespace gcn
     ImageButton::~ImageButton()
     {
         if (mInternalImage)
+        {
             delete mImage;
+            mImage = 0;
+        }
     }
 
     void ImageButton::setImage(const Image* image)
     {
         if (mInternalImage)
+        {
             delete mImage;
+            mImage = 0;
+        }
 
         mImage = image;
         mInternalImage = false;
diff --git a/src/guichan/widgets/tab.cpp b/src/guichan/widgets/tab.cpp
index 760e77a18..b0d0c7982 100644
--- a/src/guichan/widgets/tab.cpp
+++ b/src/guichan/widgets/tab.cpp
@@ -69,6 +69,7 @@ namespace gcn
     Tab::~Tab()
     {
         delete mLabel;
+        mLabel = 0;
     }
 
     void Tab::adjustSize()
diff --git a/src/guichan/widgets/tabbedarea.cpp b/src/guichan/widgets/tabbedarea.cpp
index d430a76a3..26a45c1f0 100644
--- a/src/guichan/widgets/tabbedarea.cpp
+++ b/src/guichan/widgets/tabbedarea.cpp
@@ -81,10 +81,15 @@ namespace gcn
         remove(mWidgetContainer);
 
         delete mTabContainer;
+        mTabContainer = 0;
         delete mWidgetContainer;
+        mWidgetContainer = 0;
 
         for (unsigned int i = 0; i < mTabsToDelete.size(); i++)
+        {
             delete mTabsToDelete[i];
+            mTabsToDelete[i] = 0;
+        }
     }
 
     void TabbedArea::addTab(const std::string& caption, Widget* widget)
@@ -163,6 +168,7 @@ namespace gcn
             {
                 mTabsToDelete.erase(iter2);
                 delete tab;
+                tab = 0;
                 break;
             }
         }