Improve constructors in some classes.

15 files changed, 117 insertions, 54 deletions

diff --git a/src/guichan/widgets/button.cpp b/src/guichan/widgets/button.cpp
index f30c890b4..69affd4b7 100644
--- a/src/guichan/widgets/button.cpp
+++ b/src/guichan/widgets/button.cpp
@@ -59,12 +59,16 @@
 
 namespace gcn
 {
-    Button::Button()
-        : mHasMouse(false),
-          mKeyPressed(false),
-          mMousePressed(false),
-          mAlignment(Graphics::CENTER),
-          mSpacing(4)
+    Button::Button() :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
+        FocusListener(),
+        mHasMouse(false),
+        mKeyPressed(false),
+        mMousePressed(false),
+        mAlignment(Graphics::CENTER),
+        mSpacing(4)
     {
         setFocusable(true);
         adjustSize();
@@ -75,13 +79,17 @@ namespace gcn
         addFocusListener(this);
     }
 
-    Button::Button(const std::string& caption)
-            : mCaption(caption),
-              mHasMouse(false),
-              mKeyPressed(false),
-              mMousePressed(false),
-              mAlignment(Graphics::CENTER),
-              mSpacing(4)
+    Button::Button(const std::string& caption) :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
+        FocusListener(),
+        mCaption(caption),
+        mHasMouse(false),
+        mKeyPressed(false),
+        mMousePressed(false),
+        mAlignment(Graphics::CENTER),
+        mSpacing(4)
     {
         setFocusable(true);
         adjustSize();
diff --git a/src/guichan/widgets/checkbox.cpp b/src/guichan/widgets/checkbox.cpp
index fe0bfbee4..58710409b 100644
--- a/src/guichan/widgets/checkbox.cpp
+++ b/src/guichan/widgets/checkbox.cpp
@@ -58,19 +58,24 @@
 namespace gcn
 {
 
-    CheckBox::CheckBox()
+    CheckBox::CheckBox() :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
+        mSelected(false)
     {
-        setSelected(false);
-
         setFocusable(true);
         addMouseListener(this);
         addKeyListener(this);
     }
 
-    CheckBox::CheckBox(const std::string &caption, bool selected)
+    CheckBox::CheckBox(const std::string &caption, bool selected) :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
+        mSelected(selected)
     {
         setCaption(caption);
-        setSelected(selected);
 
         setFocusable(true);
         addMouseListener(this);
diff --git a/src/guichan/widgets/container.cpp b/src/guichan/widgets/container.cpp
index d6951f06a..ec61338c8 100644
--- a/src/guichan/widgets/container.cpp
+++ b/src/guichan/widgets/container.cpp
@@ -57,6 +57,7 @@ namespace gcn
 {
 
     Container::Container() :
+        BasicContainer(),
         mOpaque(true)
     {
     }
diff --git a/src/guichan/widgets/dropdown.cpp b/src/guichan/widgets/dropdown.cpp
index c446b869d..39248ab73 100644
--- a/src/guichan/widgets/dropdown.cpp
+++ b/src/guichan/widgets/dropdown.cpp
@@ -59,29 +59,26 @@ namespace gcn
 {
     DropDown::DropDown(ListModel *const listModel,
                        ScrollArea *const scrollArea,
-                       ListBox *const listBox)
+                       ListBox *const listBox) :
+        ActionListener(),
+        BasicContainer(),
+        KeyListener(),
+        MouseListener(),
+        FocusListener(),
+        SelectionListener(),
+        mDroppedDown(false),
+        mPushed(false),
+        mFoldedUpHeight(0),
+        mInternalScrollArea(!scrollArea),
+        mScrollArea(mInternalScrollArea ? new ScrollArea : scrollArea),
+        mInternalListBox(!listBox),
+        mListBox(mInternalListBox ? new ListBox() : listBox),
+        mIsDragged(false)
     {
         setWidth(100);
         setFocusable(true);
-        mDroppedDown = false;
-        mPushed = false;
-        mIsDragged = false;
 
         setInternalFocusHandler(&mInternalFocusHandler);
-
-        mInternalScrollArea = (!scrollArea);
-        mInternalListBox = (!listBox);
-
-        if (mInternalScrollArea)
-            mScrollArea = new ScrollArea();
-        else
-            mScrollArea = scrollArea;
-
-        if (mInternalListBox)
-            mListBox = new ListBox();
-        else
-            mListBox = listBox;
-
         mScrollArea->setContent(mListBox);
         add(mScrollArea);
 
diff --git a/src/guichan/widgets/icon.cpp b/src/guichan/widgets/icon.cpp
index b0d277fbd..a030e2413 100644
--- a/src/guichan/widgets/icon.cpp
+++ b/src/guichan/widgets/icon.cpp
@@ -57,6 +57,7 @@
 namespace gcn
 {
     Icon::Icon() :
+        Widget(),
         mImage(nullptr),
         mInternalImage(false)
     {
@@ -64,6 +65,7 @@ namespace gcn
     }
 
     Icon::Icon(const std::string& filename) :
+        Widget(),
         mImage(Image::load(filename)),
         mInternalImage(true)
     {
@@ -72,6 +74,7 @@ namespace gcn
     }
 
     Icon::Icon(const Image *const image) :
+        Widget(),
         mImage(image),
         mInternalImage(false)
     {
diff --git a/src/guichan/widgets/label.cpp b/src/guichan/widgets/label.cpp
index 815bba741..aebbd0472 100644
--- a/src/guichan/widgets/label.cpp
+++ b/src/guichan/widgets/label.cpp
@@ -56,11 +56,14 @@
 
 namespace gcn
 {
-    Label::Label() : mAlignment(Graphics::LEFT)
+    Label::Label() :
+        Widget(),
+        mAlignment(Graphics::LEFT)
     {
     }
 
     Label::Label(const std::string& caption) :
+        Widget(),
         mCaption(caption),
         mAlignment(Graphics::LEFT)
     {
diff --git a/src/guichan/widgets/listbox.cpp b/src/guichan/widgets/listbox.cpp
index 3f6565785..66ddf8315 100644
--- a/src/guichan/widgets/listbox.cpp
+++ b/src/guichan/widgets/listbox.cpp
@@ -61,6 +61,9 @@
 namespace gcn
 {
     ListBox::ListBox() :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
         mSelected(-1),
         mListModel(nullptr),
         mWrappingEnabled(false)
@@ -73,13 +76,16 @@ namespace gcn
     }
 
     ListBox::ListBox(ListModel *listModel) :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
         mSelected(-1),
+        mListModel(listModel),
         mWrappingEnabled(false)
     {
         setWidth(100);
-        setListModel(listModel);
+        adjustSize();
         setFocusable(true);
-
         addMouseListener(this);
         addKeyListener(this);
     }
diff --git a/src/guichan/widgets/radiobutton.cpp b/src/guichan/widgets/radiobutton.cpp
index 7f8d846d9..9f19b00a7 100644
--- a/src/guichan/widgets/radiobutton.cpp
+++ b/src/guichan/widgets/radiobutton.cpp
@@ -60,6 +60,9 @@ namespace gcn
     RadioButton::GroupMap RadioButton::mGroupMap;
 
     RadioButton::RadioButton() :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
         mSelected(false),
         mCaption(""),
         mGroup("")
@@ -74,6 +77,9 @@ namespace gcn
     RadioButton::RadioButton(const std::string &caption,
                              const std::string &group,
                              bool selected) :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
         mSelected(false),
         mGroup("")
     {
diff --git a/src/guichan/widgets/scrollarea.cpp b/src/guichan/widgets/scrollarea.cpp
index f8bd11334..6fa2db863 100644
--- a/src/guichan/widgets/scrollarea.cpp
+++ b/src/guichan/widgets/scrollarea.cpp
@@ -56,6 +56,8 @@
 namespace gcn
 {
     ScrollArea::ScrollArea() :
+        BasicContainer(),
+        MouseListener(),
         mVScroll(0),
         mHScroll(0),
         mScrollbarWidth(12),
@@ -81,6 +83,8 @@ namespace gcn
     }
 
     ScrollArea::ScrollArea(Widget *const content) :
+        BasicContainer(),
+        MouseListener(),
         mVScroll(0),
         mHScroll(0),
         mScrollbarWidth(12),
@@ -109,6 +113,8 @@ namespace gcn
     ScrollArea::ScrollArea(Widget *content,
                            ScrollPolicy hPolicy,
                            ScrollPolicy vPolicy) :
+        BasicContainer(),
+        MouseListener(),
         mVScroll(0),
         mHScroll(0),
         mScrollbarWidth(12),
diff --git a/src/guichan/widgets/slider.cpp b/src/guichan/widgets/slider.cpp
index a9e9bed31..790560c7c 100644
--- a/src/guichan/widgets/slider.cpp
+++ b/src/guichan/widgets/slider.cpp
@@ -57,6 +57,9 @@
 namespace gcn
 {
     Slider::Slider(const double scaleEnd) :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
         mDragged(false),
         mScaleStart(0),
         mScaleEnd(scaleEnd)
@@ -73,6 +76,9 @@ namespace gcn
     }
 
     Slider::Slider(const double scaleStart, const double scaleEnd) :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
         mDragged(false),
         mScaleStart(scaleStart),
         mScaleEnd(scaleEnd)
diff --git a/src/guichan/widgets/tab.cpp b/src/guichan/widgets/tab.cpp
index fa70f1e08..04d3dbb83 100644
--- a/src/guichan/widgets/tab.cpp
+++ b/src/guichan/widgets/tab.cpp
@@ -59,6 +59,8 @@
 namespace gcn
 {
     Tab::Tab() :
+        BasicContainer(),
+        MouseListener(),
         mLabel(new Label()),
         mHasMouse(false),
         mTabbedArea(nullptr)
diff --git a/src/guichan/widgets/tabbedarea.cpp b/src/guichan/widgets/tabbedarea.cpp
index 7bd77e7cd..35d401426 100644
--- a/src/guichan/widgets/tabbedarea.cpp
+++ b/src/guichan/widgets/tabbedarea.cpp
@@ -63,16 +63,20 @@
 namespace gcn
 {
     TabbedArea::TabbedArea() :
+        ActionListener(),
+        BasicContainer(),
+        KeyListener(),
+        MouseListener(),
         mSelectedTab(nullptr),
+        mTabContainer(new Container()),
+        mWidgetContainer(new Container()),
         mOpaque(false)
     {
         setFocusable(true);
         addKeyListener(this);
         addMouseListener(this);
 
-        mTabContainer = new Container();
         mTabContainer->setOpaque(false);
-        mWidgetContainer = new Container();
 
         add(mTabContainer);
         add(mWidgetContainer);
diff --git a/src/guichan/widgets/textbox.cpp b/src/guichan/widgets/textbox.cpp
index 0640b6a2c..ad5338069 100644
--- a/src/guichan/widgets/textbox.cpp
+++ b/src/guichan/widgets/textbox.cpp
@@ -59,6 +59,9 @@
 namespace gcn
 {
     TextBox::TextBox() :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
         mCaretColumn(0),
         mCaretRow(0),
         mEditable(true),
@@ -73,6 +76,9 @@ namespace gcn
     }
 
     TextBox::TextBox(const std::string& text) :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
         mCaretColumn(0),
         mCaretRow(0),
         mEditable(true),
diff --git a/src/guichan/widgets/textfield.cpp b/src/guichan/widgets/textfield.cpp
index 2fffdc5f5..5434d341c 100644
--- a/src/guichan/widgets/textfield.cpp
+++ b/src/guichan/widgets/textfield.cpp
@@ -58,6 +58,9 @@
 namespace gcn
 {
     TextField::TextField() :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
         mCaretPosition(0),
         mXScroll(0)
     {
@@ -68,6 +71,9 @@ namespace gcn
     }
 
     TextField::TextField(const std::string& text) :
+        Widget(),
+        MouseListener(),
+        KeyListener(),
         mText(text),
         mCaretPosition(0),
         mXScroll(0)
diff --git a/src/guichan/widgets/window.cpp b/src/guichan/widgets/window.cpp
index 1a2279811..e82758e5f 100644
--- a/src/guichan/widgets/window.cpp
+++ b/src/guichan/widgets/window.cpp
@@ -58,28 +58,32 @@
 namespace gcn
 {
     Window::Window() :
+        Container(),
+        MouseListener(),
+        mAlignment(Graphics::CENTER),
+        mPadding(2),
+        mTitleBarHeight(16),
+        mMovable(true),
+        mOpaque(true),
         mMoved(false)
     {
-        setFrameSize(1);
-        setPadding(2);
-        setTitleBarHeight(16);
-        setAlignment(Graphics::CENTER);
+        mFrameSize = 1;
         addMouseListener(this);
-        setMovable(true);
-        setOpaque(true);
     }
 
     Window::Window(const std::string& caption) :
+        Container(),
+        MouseListener(),
+        mCaption(caption),
+        mAlignment(Graphics::CENTER),
+        mPadding(2),
+        mTitleBarHeight(16),
+        mMovable(true),
+        mOpaque(true),
         mMoved(false)
     {
-        setCaption(caption);
-        setFrameSize(1);
-        setPadding(2);
-        setTitleBarHeight(16);
-        setAlignment(Graphics::CENTER);
+        mFrameSize = 1;
         addMouseListener(this);
-        setMovable(true);
-        setOpaque(true);
     }
 
     Window::~Window()