simplify variables cleanup.

14 files changed, 61 insertions, 103 deletions

diff --git a/src/gui/widgets/tabs/chattab.cpp b/src/gui/widgets/tabs/chattab.cpp
index 8fe9d707b..e52f935b3 100644
--- a/src/gui/widgets/tabs/chattab.cpp
+++ b/src/gui/widgets/tabs/chattab.cpp
@@ -45,6 +45,7 @@
 
 #include "resources/db/itemdb.h"
 
+#include "utils/delete2.h"
 #include "utils/gettext.h"
 
 #include "debug.h"
@@ -85,10 +86,8 @@ ChatTab::~ChatTab()
     if (chatWindow)
         chatWindow->removeTab(this);
 
-    delete mTextOutput;
-    mTextOutput = nullptr;
-    delete mScrollArea;
-    mScrollArea = nullptr;
+    delete2(mTextOutput);
+    delete2(mScrollArea);
 }
 
 void ChatTab::chatLog(std::string line, Own own,
diff --git a/src/gui/widgets/tabs/setup_audio.cpp b/src/gui/widgets/tabs/setup_audio.cpp
index 6cf675635..89a9594c1 100644
--- a/src/gui/widgets/tabs/setup_audio.cpp
+++ b/src/gui/widgets/tabs/setup_audio.cpp
@@ -35,6 +35,7 @@
 #include "gui/widgets/layouthelper.h"
 #include "gui/widgets/scrollarea.h"
 
+#include "utils/delete2.h"
 #include "utils/gettext.h"
 
 #include "debug.h"
@@ -160,11 +161,8 @@ Setup_Audio::Setup_Audio(const Widget2 *const widget) :
 
 Setup_Audio::~Setup_Audio()
 {
-    delete mSoundModel;
-    mSoundModel = nullptr;
-
-    delete mChannelsList;
-    mChannelsList = nullptr;
+    delete2(mSoundModel);
+    delete2(mChannelsList);
 }
 
 void Setup_Audio::apply()
diff --git a/src/gui/widgets/tabs/setup_colors.cpp b/src/gui/widgets/tabs/setup_colors.cpp
index eb7e695f4..00537ad05 100644
--- a/src/gui/widgets/tabs/setup_colors.cpp
+++ b/src/gui/widgets/tabs/setup_colors.cpp
@@ -34,6 +34,7 @@
 #include "gui/widgets/textfield.h"
 #include "gui/widgets/textpreview.h"
 
+#include "utils/delete2.h"
 #include "utils/gettext.h"
 #include "utils/stringutils.h"
 
@@ -198,15 +199,9 @@ Setup_Colors::Setup_Colors(const Widget2 *const widget) :
 Setup_Colors::~Setup_Colors()
 {
     if (mPreviewBox && mPreviewBox->getContent() == mPreview)
-    {
-        delete mTextPreview;
-        mTextPreview = nullptr;
-    }
+        delete2(mTextPreview)
     else
-    {
-        delete mPreview;
-        mPreview = nullptr;
-    }
+        delete2(mPreview)
 }
 
 void Setup_Colors::action(const ActionEvent &event)
diff --git a/src/gui/widgets/tabs/setup_input.cpp b/src/gui/widgets/tabs/setup_input.cpp
index b04937881..a29e0d797 100644
--- a/src/gui/widgets/tabs/setup_input.cpp
+++ b/src/gui/widgets/tabs/setup_input.cpp
@@ -41,6 +41,8 @@
 
 #include "gui/models/listmodel.h"
 
+#include "utils/delete2.h"
+
 #include "debug.h"
 
 static int selectedData = 0;
@@ -169,21 +171,14 @@ Setup_Input::Setup_Input(const Widget2 *const widget) :
 
 Setup_Input::~Setup_Input()
 {
-    delete mKeyList;
-    mKeyList = nullptr;
-    delete mKeyListModel;
-    mKeyListModel = nullptr;
-
-    delete mAssignKeyButton;
-    mAssignKeyButton = nullptr;
-    delete mUnassignKeyButton;
-    mUnassignKeyButton = nullptr;
-    delete mResetKeysButton;
-    mResetKeysButton = nullptr;
+    delete2(mKeyList);
+    delete2(mKeyListModel);
+    delete2(mAssignKeyButton);
+    delete2(mUnassignKeyButton);
+    delete2(mResetKeysButton);
     delete [] mActionDataSize;
     mActionDataSize = nullptr;
-    delete mScrollArea;
-    mScrollArea = nullptr;
+    delete2(mScrollArea);
 }
 
 void Setup_Input::apply()
diff --git a/src/gui/widgets/tabs/setup_joystick.cpp b/src/gui/widgets/tabs/setup_joystick.cpp
index b3d7b78b9..4d2845656 100644
--- a/src/gui/widgets/tabs/setup_joystick.cpp
+++ b/src/gui/widgets/tabs/setup_joystick.cpp
@@ -34,6 +34,7 @@
 #include "gui/widgets/label.h"
 #include "gui/widgets/layouthelper.h"
 
+#include "utils/delete2.h"
 #include "utils/gettext.h"
 
 #include "debug.h"
@@ -99,8 +100,7 @@ Setup_Joystick::Setup_Joystick(const Widget2 *const widget) :
 
 Setup_Joystick::~Setup_Joystick()
 {
-    delete mNamesModel;
-    mNamesModel = nullptr;
+    delete2(mNamesModel);
 }
 
 void Setup_Joystick::action(const ActionEvent &event)
diff --git a/src/gui/widgets/tabs/setup_other.cpp b/src/gui/widgets/tabs/setup_other.cpp
index 12cb614cd..ed8ba11ad 100644
--- a/src/gui/widgets/tabs/setup_other.cpp
+++ b/src/gui/widgets/tabs/setup_other.cpp
@@ -31,6 +31,7 @@
 #include "configuration.h"
 #include "map.h"
 
+#include "utils/delete2.h"
 #include "utils/gettext.h"
 
 #include "debug.h"
@@ -404,12 +405,9 @@ Setup_Other::Setup_Other(const Widget2 *const widget) :
 
 Setup_Other::~Setup_Other()
 {
-    delete mProxyTypeList;
-    mProxyTypeList = nullptr;
-    delete mShortcutsList;
-    mShortcutsList = nullptr;
-    delete mDensityList;
-    mDensityList = nullptr;
+    delete2(mProxyTypeList);
+    delete2(mShortcutsList);
+    delete2(mDensityList);
 }
 
 void Setup_Other::apply()
diff --git a/src/gui/widgets/tabs/setup_perfomance.cpp b/src/gui/widgets/tabs/setup_perfomance.cpp
index 5a0566ec2..dad054e83 100644
--- a/src/gui/widgets/tabs/setup_perfomance.cpp
+++ b/src/gui/widgets/tabs/setup_perfomance.cpp
@@ -28,6 +28,7 @@
 #include "gui/widgets/scrollarea.h"
 #include "gui/widgets/setupitem.h"
 
+#include "utils/delete2.h"
 #include "utils/gettext.h"
 
 #include "debug.h"
@@ -159,6 +160,5 @@ Setup_Perfomance::Setup_Perfomance(const Widget2 *const widget) :
 
 Setup_Perfomance::~Setup_Perfomance()
 {
-    delete mTexturesList;
-    mTexturesList = nullptr;
+    delete2(mTexturesList);
 }
diff --git a/src/gui/widgets/tabs/setup_relations.cpp b/src/gui/widgets/tabs/setup_relations.cpp
index ca060477f..77a758cb4 100644
--- a/src/gui/widgets/tabs/setup_relations.cpp
+++ b/src/gui/widgets/tabs/setup_relations.cpp
@@ -37,6 +37,7 @@
 #include "gui/widgets/scrollarea.h"
 #include "gui/widgets/guitable.h"
 
+#include "utils/delete2.h"
 #include "utils/dtor.h"
 #include "utils/gettext.h"
 
@@ -81,10 +82,8 @@ public:
     ~PlayerTableModel()
     {
         freeWidgets();
-        delete mListModel;
-        mListModel = nullptr;
-        delete mPlayers;
-        mPlayers = nullptr;
+        delete2(mListModel)
+        delete2(mPlayers)
     }
 
     int getRows() const override final
@@ -159,9 +158,7 @@ public:
 
     void freeWidgets()
     {
-        delete mPlayers;
-        mPlayers = nullptr;
-
+        delete2(mPlayers)
         delete_all(mWidgets);
         mWidgets.clear();
     }
@@ -266,8 +263,7 @@ Setup_Relations::Setup_Relations(const Widget2 *const widget) :
 Setup_Relations::~Setup_Relations()
 {
     player_relations.removeListener(this);
-    delete mIgnoreActionChoicesModel;
-    mIgnoreActionChoicesModel = nullptr;
+    delete2(mIgnoreActionChoicesModel);
 }
 
 
diff --git a/src/gui/widgets/tabs/setup_theme.cpp b/src/gui/widgets/tabs/setup_theme.cpp
index 424828694..9b23fc3c3 100644
--- a/src/gui/widgets/tabs/setup_theme.cpp
+++ b/src/gui/widgets/tabs/setup_theme.cpp
@@ -37,6 +37,7 @@
 
 #include "configuration.h"
 
+#include "utils/delete2.h"
 #include "utils/gettext.h"
 
 #include "resources/resourcemanager.h"
@@ -371,26 +372,13 @@ Setup_Theme::Setup_Theme(const Widget2 *const widget) :
 
 Setup_Theme::~Setup_Theme()
 {
-    delete mInfo;
-    mInfo = nullptr;
-
-    delete mThemesModel;
-    mThemesModel = nullptr;
-
-    delete mFontsModel;
-    mFontsModel = nullptr;
-
-    delete mFontSizeListModel;
-    mFontSizeListModel = nullptr;
-
-    delete mNpcFontSizeListModel;
-    mNpcFontSizeListModel = nullptr;
-
-    delete mLangListModel;
-    mLangListModel = nullptr;
-
-    delete mInfo;
-    mInfo = nullptr;
+    delete2(mInfo);
+    delete2(mThemesModel);
+    delete2(mFontsModel);
+    delete2(mFontSizeListModel);
+    delete2(mNpcFontSizeListModel);
+    delete2(mLangListModel);
+    delete2(mInfo);
 }
 
 void Setup_Theme::updateInfo()
diff --git a/src/gui/widgets/tabs/setup_touch.cpp b/src/gui/widgets/tabs/setup_touch.cpp
index fb50ab4d5..eab39ccb0 100644
--- a/src/gui/widgets/tabs/setup_touch.cpp
+++ b/src/gui/widgets/tabs/setup_touch.cpp
@@ -27,6 +27,7 @@
 #include "gui/widgets/setuptouchitem.h"
 #include "gui/widgets/scrollarea.h"
 
+#include "utils/delete2.h"
 #include "utils/gettext.h"
 #include "utils/stringutils.h"
 
@@ -126,10 +127,7 @@ Setup_Touch::Setup_Touch(const Widget2 *const widget) :
 
 Setup_Touch::~Setup_Touch()
 {
-    delete mSizeList;
-    mSizeList = nullptr;
-    delete mFormatList;
-    mFormatList = nullptr;
-    delete mActionsList;
-    mActionsList = nullptr;
+    delete2(mSizeList);
+    delete2(mFormatList);
+    delete2(mActionsList);
 }
diff --git a/src/gui/widgets/tabs/setup_video.cpp b/src/gui/widgets/tabs/setup_video.cpp
index 416ae8c3c..dfe14fa2c 100644
--- a/src/gui/widgets/tabs/setup_video.cpp
+++ b/src/gui/widgets/tabs/setup_video.cpp
@@ -41,6 +41,7 @@
 
 #include "render/rendererslistsdl.h"
 
+#include "utils/delete2.h"
 #include "utils/gettext.h"
 #include "utils/sdlhelper.h"
 
@@ -309,14 +310,10 @@ Setup_Video::Setup_Video(const Widget2 *const widget) :
 
 Setup_Video::~Setup_Video()
 {
-    delete mModeListModel;
-    mModeListModel = nullptr;
-    delete mModeList;
-    mModeList = nullptr;
-    delete mOpenGLListModel;
-    mOpenGLListModel = nullptr;
-    delete mDialog;
-    mDialog = nullptr;
+    delete2(mModeListModel);
+    delete2(mModeList);
+    delete2(mOpenGLListModel);
+    delete2(mDialog);
 }
 
 void Setup_Video::apply()
diff --git a/src/gui/widgets/tabs/setup_visual.cpp b/src/gui/widgets/tabs/setup_visual.cpp
index 860b1d516..eb6591f9f 100644
--- a/src/gui/widgets/tabs/setup_visual.cpp
+++ b/src/gui/widgets/tabs/setup_visual.cpp
@@ -28,6 +28,7 @@
 
 #include "client.h"
 
+#include "utils/delete2.h"
 #include "utils/gettext.h"
 
 #include "debug.h"
@@ -215,18 +216,12 @@ Setup_Visual::Setup_Visual(const Widget2 *const widget) :
 
 Setup_Visual::~Setup_Visual()
 {
-    delete mSpeachList;
-    mSpeachList = nullptr;
-    delete mAmbientFxList;
-    mAmbientFxList = nullptr;
-    delete mParticleList;
-    mParticleList = nullptr;
-    delete mParticleTypeList;
-    mParticleTypeList = nullptr;
-    delete mVSyncList;
-    mVSyncList = nullptr;
-    delete mScaleList;
-    mScaleList = nullptr;
+    delete2(mSpeachList);
+    delete2(mAmbientFxList);
+    delete2(mParticleList);
+    delete2(mParticleTypeList);
+    delete2(mVSyncList);
+    delete2(mScaleList);
 }
 
 void Setup_Visual::apply()
diff --git a/src/gui/widgets/tabs/setuptabscroll.cpp b/src/gui/widgets/tabs/setuptabscroll.cpp
index 9c185b2bb..cd169e0bf 100644
--- a/src/gui/widgets/tabs/setuptabscroll.cpp
+++ b/src/gui/widgets/tabs/setuptabscroll.cpp
@@ -24,6 +24,8 @@
 #include "gui/widgets/setupitem.h"
 #include "gui/widgets/vertcontainer.h"
 
+#include "utils/delete2.h"
+
 #include "debug.h"
 
 SetupTabScroll::SetupTabScroll(const Widget2 *const widget) :
@@ -41,10 +43,7 @@ SetupTabScroll::SetupTabScroll(const Widget2 *const widget) :
 SetupTabScroll::~SetupTabScroll()
 {
     mScroll = nullptr;
-
-    delete mContainer;
-    mContainer = nullptr;
-
+    delete2(mContainer);
     removeItems();
 }
 
diff --git a/src/gui/widgets/tabs/tab.cpp b/src/gui/widgets/tabs/tab.cpp
index 32d0cf2a6..c2a6c0207 100644
--- a/src/gui/widgets/tabs/tab.cpp
+++ b/src/gui/widgets/tabs/tab.cpp
@@ -75,6 +75,8 @@
 
 #include "resources/image.h"
 
+#include "utils/delete2.h"
+
 #include "debug.h"
 
 int Tab::mInstances = 0;
@@ -129,16 +131,14 @@ Tab::~Tab()
             theme->unload(tabImg[mode]);
     }
 
-    delete mLabel;
-    mLabel = nullptr;
+    delete2(mLabel);
 
     if (mImage)
     {
         mImage->decRef();
         mImage = nullptr;
     }
-    delete mVertexes;
-    mVertexes = nullptr;
+    delete2(mVertexes);
 }
 
 void Tab::init()