Remove default constructor from Widget2.

30 files changed, 81 insertions, 61 deletions

diff --git a/src/gui/widgets/dropshortcutcontainer.cpp b/src/gui/widgets/dropshortcutcontainer.cpp
index bca1f1e12..fcb0f8ea1 100644
--- a/src/gui/widgets/dropshortcutcontainer.cpp
+++ b/src/gui/widgets/dropshortcutcontainer.cpp
@@ -40,8 +40,8 @@
 
 #include "debug.h"
 
-DropShortcutContainer::DropShortcutContainer():
-    ShortcutContainer(),
+DropShortcutContainer::DropShortcutContainer(Widget2 *const widget):
+    ShortcutContainer(widget),
     mItemClicked(false),
     mItemPopup(new ItemPopup),
     mEquipedColor(getThemeColor(Theme::ITEM_EQUIPPED)),
diff --git a/src/gui/widgets/dropshortcutcontainer.h b/src/gui/widgets/dropshortcutcontainer.h
index 9880f526d..dbaac1d9c 100644
--- a/src/gui/widgets/dropshortcutcontainer.h
+++ b/src/gui/widgets/dropshortcutcontainer.h
@@ -38,7 +38,7 @@ class DropShortcutContainer final : public ShortcutContainer
         /**
          * Constructor. Initializes the graphic.
          */
-        DropShortcutContainer();
+        DropShortcutContainer(Widget2 *const widget);
 
         A_DELETE_COPY(DropShortcutContainer)
 
diff --git a/src/gui/widgets/emoteshortcutcontainer.cpp b/src/gui/widgets/emoteshortcutcontainer.cpp
index f5d1c19f0..47c45c2dd 100644
--- a/src/gui/widgets/emoteshortcutcontainer.cpp
+++ b/src/gui/widgets/emoteshortcutcontainer.cpp
@@ -38,8 +38,8 @@
 
 static const int MAX_ITEMS = 48;
 
-EmoteShortcutContainer::EmoteShortcutContainer():
-    ShortcutContainer(),
+EmoteShortcutContainer::EmoteShortcutContainer(Widget2 *const widget) :
+    ShortcutContainer(widget),
     mEmoteImg(),
     mEmotePopup(new TextPopup),
     mEmoteClicked(false),
diff --git a/src/gui/widgets/emoteshortcutcontainer.h b/src/gui/widgets/emoteshortcutcontainer.h
index ed6b4c8b3..ec0e98675 100644
--- a/src/gui/widgets/emoteshortcutcontainer.h
+++ b/src/gui/widgets/emoteshortcutcontainer.h
@@ -41,7 +41,7 @@ class EmoteShortcutContainer final : public ShortcutContainer
         /**
          * Constructor. Initializes the graphic.
          */
-        EmoteShortcutContainer();
+        EmoteShortcutContainer(Widget2 *const widget);
 
         A_DELETE_COPY(EmoteShortcutContainer)
 
diff --git a/src/gui/widgets/itemshortcutcontainer.cpp b/src/gui/widgets/itemshortcutcontainer.cpp
index 2496beaa6..83c8820ae 100644
--- a/src/gui/widgets/itemshortcutcontainer.cpp
+++ b/src/gui/widgets/itemshortcutcontainer.cpp
@@ -48,8 +48,9 @@
 
 #include "debug.h"
 
-ItemShortcutContainer::ItemShortcutContainer(const unsigned number) :
-    ShortcutContainer(),
+ItemShortcutContainer::ItemShortcutContainer(Widget2 *const widget,
+                                             const unsigned number) :
+    ShortcutContainer(widget),
     mItemClicked(false),
     mNumber(number),
     mItemPopup(new ItemPopup),
diff --git a/src/gui/widgets/itemshortcutcontainer.h b/src/gui/widgets/itemshortcutcontainer.h
index f01c2779c..dd95851a6 100644
--- a/src/gui/widgets/itemshortcutcontainer.h
+++ b/src/gui/widgets/itemshortcutcontainer.h
@@ -39,7 +39,8 @@ class ItemShortcutContainer final : public ShortcutContainer
         /**
          * Constructor. Initializes the graphic.
          */
-        explicit ItemShortcutContainer(const unsigned number);
+        ItemShortcutContainer(Widget2 *const widget,
+                              const unsigned number);
 
         A_DELETE_COPY(ItemShortcutContainer)
 
diff --git a/src/gui/widgets/playerbox.cpp b/src/gui/widgets/playerbox.cpp
index 3bcb8476e..97fd4a713 100644
--- a/src/gui/widgets/playerbox.cpp
+++ b/src/gui/widgets/playerbox.cpp
@@ -30,9 +30,11 @@
 
 #include "debug.h"
 
-PlayerBox::PlayerBox(Being *const being, const std::string &skin,
+PlayerBox::PlayerBox(Widget2 *const widget,
+                     Being *const being,
+                     const std::string &skin,
                      const std::string &selectedSkin) :
-    Widget2(),
+    Widget2(widget),
     ScrollArea(),
     mBeing(being),
     mAlpha(1.0),
@@ -48,8 +50,10 @@ PlayerBox::PlayerBox(Being *const being, const std::string &skin,
     init(skin, selectedSkin);
 }
 
-PlayerBox::PlayerBox(const std::string &skin,
+PlayerBox::PlayerBox(Widget2 *const widget,
+                     const std::string &skin,
                      const std::string &selectedSkin) :
+    Widget2(widget),
     ScrollArea(),
     mBeing(nullptr),
     mAlpha(1.0),
diff --git a/src/gui/widgets/playerbox.h b/src/gui/widgets/playerbox.h
index 30d79ff2f..3669a23a9 100644
--- a/src/gui/widgets/playerbox.h
+++ b/src/gui/widgets/playerbox.h
@@ -45,10 +45,13 @@ class PlayerBox final : public Widget2,
          * Constructor. Takes the initial player character that this box should
          * display, which defaults to <code>NULL</code>.
          */
-        explicit PlayerBox(Being *const being, const std::string &skin = "",
+        explicit PlayerBox(Widget2 *const widget,
+                           Being *const being,
+                           const std::string &skin = "",
                            const std::string &selectedSkin = "");
 
-        explicit PlayerBox(const std::string &skin = "",
+        explicit PlayerBox(Widget2 *const widget,
+                           const std::string &skin = "",
                            const std::string &selectedSkin = "");
 
         A_DELETE_COPY(PlayerBox)
diff --git a/src/gui/widgets/progressindicator.cpp b/src/gui/widgets/progressindicator.cpp
index b3f5b0e54..198094b6d 100644
--- a/src/gui/widgets/progressindicator.cpp
+++ b/src/gui/widgets/progressindicator.cpp
@@ -28,9 +28,9 @@
 
 #include "debug.h"
 
-ProgressIndicator::ProgressIndicator() :
+ProgressIndicator::ProgressIndicator(Widget2 *const widget) :
     gcn::Widget(),
-    Widget2(),
+    Widget2(widget),
     mIndicator(nullptr)
 {
     ImageSet *const images = Theme::getImageSetFromTheme(
diff --git a/src/gui/widgets/progressindicator.h b/src/gui/widgets/progressindicator.h
index 8dd33bf4d..7357931e9 100644
--- a/src/gui/widgets/progressindicator.h
+++ b/src/gui/widgets/progressindicator.h
@@ -38,7 +38,7 @@ class ProgressIndicator final : public gcn::Widget,
                                 public Widget2
 {
     public:
-        ProgressIndicator();
+        ProgressIndicator(Widget2 *const widget);
 
         A_DELETE_COPY(ProgressIndicator)
 
diff --git a/src/gui/widgets/scrollarea.cpp b/src/gui/widgets/scrollarea.cpp
index 0ee2c3357..708949f9c 100644
--- a/src/gui/widgets/scrollarea.cpp
+++ b/src/gui/widgets/scrollarea.cpp
@@ -45,8 +45,11 @@ static std::string const buttonFiles[2] =
     "scrollbuttons_pressed.xml"
 };
 
-ScrollArea::ScrollArea(const bool opaque, const std::string &skin) :
+ScrollArea::ScrollArea(Widget2 *const widget,
+                       const bool opaque,
+                       const std::string &skin) :
     gcn::ScrollArea(),
+    Widget2(widget),
     WidgetListener(),
     mX(0),
     mY(0),
@@ -66,9 +69,12 @@ ScrollArea::ScrollArea(const bool opaque, const std::string &skin) :
     init(skin);
 }
 
-ScrollArea::ScrollArea(gcn::Widget *const widget, const bool opaque,
+ScrollArea::ScrollArea(Widget2 *const widget2,
+                       gcn::Widget *const widget,
+                       const bool opaque,
                        const std::string &skin) :
     gcn::ScrollArea(widget),
+    Widget2(widget2),
     WidgetListener(),
     mX(0),
     mY(0),
diff --git a/src/gui/widgets/scrollarea.h b/src/gui/widgets/scrollarea.h
index 3f6195271..bc25baa27 100644
--- a/src/gui/widgets/scrollarea.h
+++ b/src/gui/widgets/scrollarea.h
@@ -52,7 +52,8 @@ class ScrollArea final : public gcn::ScrollArea,
          * Constructor that takes no content. Needed for use with the DropDown
          * class.
          */
-        explicit ScrollArea(const bool opaque = true,
+        explicit ScrollArea(Widget2 *const widget,
+                            const bool opaque = true,
                             const std::string &skin = "");
 
         /**
@@ -60,7 +61,8 @@ class ScrollArea final : public gcn::ScrollArea,
          *
          * @param content the initial content to show in the scroll area
          */
-        explicit ScrollArea(gcn::Widget *const widget,
+        explicit ScrollArea(Widget2 *const widget2,
+                            gcn::Widget *const widget,
                             const bool opaque = true,
                             const std::string &skin = "");
 
diff --git a/src/gui/widgets/setupitem.cpp b/src/gui/widgets/setupitem.cpp
index aeeb8e4bc..649388d04 100644
--- a/src/gui/widgets/setupitem.cpp
+++ b/src/gui/widgets/setupitem.cpp
@@ -50,7 +50,7 @@ SetupItem::SetupItem(const std::string &restrict text,
                      const std::string &restrict eventName,
                      const bool mainConfig) :
     ActionListener(),
-    Widget2(),
+    Widget2(parent),
     mText(text),
     mDescription(description),
     mKeyName(keyName),
@@ -74,7 +74,7 @@ SetupItem::SetupItem(const std::string &restrict text,
                      const std::string &restrict def,
                      const bool mainConfig) :
     ActionListener(),
-    Widget2(),
+    Widget2(parent),
     mText(text),
     mDescription(description),
     mKeyName(keyName),
@@ -762,7 +762,7 @@ void SetupItemSlider::createControls()
     mHorizont = new HorizontContainer(this, 32, 2);
 
     mLabel = new Label(this, mText);
-    mSlider = new Slider(mMin, mMax);
+    mSlider = new Slider(this, mMin, mMax);
     mSlider->setActionEventId(mEventName);
     mSlider->addActionListener(mParent);
     mSlider->setValue2(atof(mValue.c_str()));
@@ -886,7 +886,7 @@ void SetupItemSlider2::createControls()
     mLabel = new Label(this, mText);
     mLabel2 = new Label(this, "");
     mLabel2->setWidth(width);
-    mSlider = new Slider(mMin, mMax);
+    mSlider = new Slider(this, mMin, mMax);
     mSlider->setActionEventId(mEventName);
     mSlider->addActionListener(mParent);
     mSlider->setValue2(atof(mValue.c_str()));
diff --git a/src/gui/widgets/shortcutcontainer.cpp b/src/gui/widgets/shortcutcontainer.cpp
index 767a32974..866dde6f1 100644
--- a/src/gui/widgets/shortcutcontainer.cpp
+++ b/src/gui/widgets/shortcutcontainer.cpp
@@ -28,9 +28,9 @@
 
 float ShortcutContainer::mAlpha = 1.0;
 
-ShortcutContainer::ShortcutContainer() :
+ShortcutContainer::ShortcutContainer(Widget2 *const widget) :
     gcn::Widget(),
-    Widget2(),
+    Widget2(widget),
     WidgetListener(),
     MouseListener(),
     mBackgroundImg(nullptr),
diff --git a/src/gui/widgets/shortcutcontainer.h b/src/gui/widgets/shortcutcontainer.h
index e7ec2ff62..8df401775 100644
--- a/src/gui/widgets/shortcutcontainer.h
+++ b/src/gui/widgets/shortcutcontainer.h
@@ -102,7 +102,7 @@ class ShortcutContainer : public gcn::Widget,
         /**
          * Constructor. Initializes the shortcut container.
          */
-        explicit ShortcutContainer();
+        explicit ShortcutContainer(Widget2 *const widget);
 
         /**
          * Gets the index from the grid provided the point is in an item box.
diff --git a/src/gui/widgets/slider.cpp b/src/gui/widgets/slider.cpp
index 02ebc2ccb..c5988ff54 100644
--- a/src/gui/widgets/slider.cpp
+++ b/src/gui/widgets/slider.cpp
@@ -43,9 +43,10 @@ static std::string const data[2] =
     "slider_highlighted.xml"
 };
 
-Slider::Slider(const double scaleEnd) :
+Slider::Slider(Widget2 *const widget,
+               const double scaleEnd) :
     gcn::Slider(scaleEnd),
-    Widget2(),
+    Widget2(widget),
     mVertexes(new ImageCollection),
     mHasMouse(false),
     mRedraw(true)
@@ -53,9 +54,11 @@ Slider::Slider(const double scaleEnd) :
     init();
 }
 
-Slider::Slider(const double scaleStart, const double scaleEnd) :
+Slider::Slider(Widget2 *const widget,
+               const double scaleStart,
+               const double scaleEnd) :
     gcn::Slider(scaleStart, scaleEnd),
-    Widget2(),
+    Widget2(widget),
     mVertexes(new ImageCollection),
     mHasMouse(false),
     mRedraw(true)
diff --git a/src/gui/widgets/slider.h b/src/gui/widgets/slider.h
index 2d4853539..27b03976d 100644
--- a/src/gui/widgets/slider.h
+++ b/src/gui/widgets/slider.h
@@ -43,12 +43,15 @@ class Slider final : public gcn::Slider,
         /**
          * Constructor with scale start equal to 0.
          */
-        explicit Slider(const double scaleEnd = 1.0);
+        explicit Slider(Widget2 *const widget,
+                        const double scaleEnd = 1.0);
 
         /**
          * Constructor.
          */
-        Slider(const double scaleStart, const double scaleEnd);
+        Slider(Widget2 *const widget,
+               const double scaleStart,
+               const double scaleEnd);
 
         A_DELETE_COPY(Slider)
 
diff --git a/src/gui/widgets/spellshortcutcontainer.cpp b/src/gui/widgets/spellshortcutcontainer.cpp
index e8d34c9d8..5441c4d8a 100644
--- a/src/gui/widgets/spellshortcutcontainer.cpp
+++ b/src/gui/widgets/spellshortcutcontainer.cpp
@@ -39,8 +39,9 @@
 
 #include "debug.h"
 
-SpellShortcutContainer::SpellShortcutContainer(const unsigned number) :
-    ShortcutContainer(),
+SpellShortcutContainer::SpellShortcutContainer(Widget2 *const widget,
+                                               const unsigned number) :
+    ShortcutContainer(widget),
     mSpellPopup(new SpellPopup),
     mNumber(number),
     mSpellClicked(false)
diff --git a/src/gui/widgets/spellshortcutcontainer.h b/src/gui/widgets/spellshortcutcontainer.h
index d8f5d22b4..afff6dcf9 100644
--- a/src/gui/widgets/spellshortcutcontainer.h
+++ b/src/gui/widgets/spellshortcutcontainer.h
@@ -38,7 +38,8 @@ class SpellShortcutContainer final : public ShortcutContainer
         /**
          * Constructor. Initializes the graphic.
          */
-        explicit SpellShortcutContainer(const unsigned number);
+        explicit SpellShortcutContainer(Widget2 *const widget,
+                                        const unsigned number);
 
         A_DELETE_COPY(SpellShortcutContainer)
 
diff --git a/src/gui/widgets/tabs/setup_colors.cpp b/src/gui/widgets/tabs/setup_colors.cpp
index d29c56c85..8ea9d5fbb 100644
--- a/src/gui/widgets/tabs/setup_colors.cpp
+++ b/src/gui/widgets/tabs/setup_colors.cpp
@@ -58,23 +58,23 @@ Setup_Colors::Setup_Colors(const Widget2 *const widget) :
     mSelected(-1),
     // TRANSLATORS: colors tab. label.
     mGradTypeLabel(new Label(this, _("Type:"))),
-    mGradTypeSlider(new Slider(0, 3)),
+    mGradTypeSlider(new Slider(this, 0, 3)),
     mGradTypeText(new Label(this)),
     // TRANSLATORS: colors tab. label.
     mGradDelayLabel(new Label(this, _("Delay:"))),
-    mGradDelaySlider(new Slider(20, 100)),
+    mGradDelaySlider(new Slider(this, 20, 100)),
     mGradDelayText(new TextField(this)),
     // TRANSLATORS: colors tab. label.
     mRedLabel(new Label(this, _("Red:"))),
-    mRedSlider(new Slider(0, 255)),
+    mRedSlider(new Slider(this, 0, 255)),
     mRedText(new TextField(this)),
     // TRANSLATORS: colors tab. label.
     mGreenLabel(new Label(this, _("Green:"))),
-    mGreenSlider(new Slider(0, 255)),
+    mGreenSlider(new Slider(this, 0, 255)),
     mGreenText(new TextField(this)),
     // TRANSLATORS: colors tab. label.
     mBlueLabel(new Label(this, _("Blue:"))),
-    mBlueSlider(new Slider(0, 255)),
+    mBlueSlider(new Slider(this, 0, 255)),
     mBlueText(new TextField(this))
 {
     mColorBox->postInit();
diff --git a/src/gui/widgets/tabs/setup_video.cpp b/src/gui/widgets/tabs/setup_video.cpp
index 589b08e5e..be00937f2 100644
--- a/src/gui/widgets/tabs/setup_video.cpp
+++ b/src/gui/widgets/tabs/setup_video.cpp
@@ -191,9 +191,9 @@ Setup_Video::Setup_Video(const Widget2 *const widget) :
     mOpenGLDropDown(new DropDown(widget, mOpenGLListModel)),
     // TRANSLATORS: video settings checkbox
     mFpsCheckBox(new CheckBox(this, _("FPS limit:"))),
-    mFpsSlider(new Slider(2, 160)),
+    mFpsSlider(new Slider(this, 2, 160)),
     mFpsLabel(new Label(this)),
-    mAltFpsSlider(new Slider(2, 160)),
+    mAltFpsSlider(new Slider(this, 2, 160)),
     // TRANSLATORS: video settings label
     mAltFpsLabel(new Label(this, _("Alt FPS limit: "))),
 #if !defined(ANDROID) && !defined(__APPLE__)
diff --git a/src/gui/widgets/widget2.h b/src/gui/widgets/widget2.h
index f6e94556a..a57ccbb41 100644
--- a/src/gui/widgets/widget2.h
+++ b/src/gui/widgets/widget2.h
@@ -78,12 +78,6 @@ class Widget2
         }
 
     protected:
-        Widget2() :
-            mPaletteOffset(0),
-            mForegroundColor2()
-        {
-        }
-
         explicit Widget2(const Widget2 *const widget) :
             mPaletteOffset(widget ? widget->mPaletteOffset : 0),
             mForegroundColor2()
diff --git a/src/gui/widgets/window.cpp b/src/gui/widgets/window.cpp
index 2ea86f9df..82c2d91f8 100644
--- a/src/gui/widgets/window.cpp
+++ b/src/gui/widgets/window.cpp
@@ -49,7 +49,7 @@ int Window::mouseResize = 0;
 Window::Window(const std::string &caption, const bool modal,
                Window *const parent, std::string skin) :
     gcn::Window(caption),
-    Widget2(),
+    Widget2(nullptr),
     WidgetListener(),
     mSkin(nullptr),
     mDefaultX(0),
diff --git a/src/gui/windows/buydialog.cpp b/src/gui/windows/buydialog.cpp
index 19a46b9b8..4d2acfac9 100644
--- a/src/gui/windows/buydialog.cpp
+++ b/src/gui/windows/buydialog.cpp
@@ -244,7 +244,7 @@ void BuyDialog::init()
         getOptionBool("showbackground"), "buy_background.xml");
     mScrollArea->setHorizontalScrollPolicy(gcn::ScrollArea::SHOW_NEVER);
 
-    mSlider = new Slider(1.0);
+    mSlider = new Slider(this, 1.0);
     mQuantityLabel = new Label(this, strprintf(
         "%d / %d", mAmountItems, mMaxItems));
     mQuantityLabel->setAlignment(Graphics::CENTER);
diff --git a/src/gui/windows/charcreatedialog.cpp b/src/gui/windows/charcreatedialog.cpp
index a3fdcde3a..d6b572d40 100644
--- a/src/gui/windows/charcreatedialog.cpp
+++ b/src/gui/windows/charcreatedialog.cpp
@@ -124,7 +124,7 @@ CharCreateDialog::CharCreateDialog(CharSelectDialog *const parent,
     mMaxLook(CharDB::getMaxLook()),
     mPlayer(new Being(0, ActorSprite::PLAYER, static_cast<uint16_t>(mRace),
             nullptr)),
-    mPlayerBox(new PlayerBox(mPlayer, "charcreate_playerbox.xml",
+    mPlayerBox(new PlayerBox(this, mPlayer, "charcreate_playerbox.xml",
         "charcreate_selectedplayerbox.xml")),
     mHairStyle(0),
     mHairColor(0),
@@ -528,7 +528,7 @@ void CharCreateDialog::setAttributes(const StringVect &labels,
         mAttributeLabel[i]->adjustSize();
         add(mAttributeLabel[i]);
 
-        mAttributeSlider[i] = new Slider(min, max);
+        mAttributeSlider[i] = new Slider(this, min, max);
         mAttributeSlider[i]->setDimension(gcn::Rectangle(140, y + i * 24,
                                                          150, 12));
         mAttributeSlider[i]->setActionEventId("statslider");
diff --git a/src/gui/windows/connectiondialog.cpp b/src/gui/windows/connectiondialog.cpp
index 0d0633ff8..1a7c23187 100644
--- a/src/gui/windows/connectiondialog.cpp
+++ b/src/gui/windows/connectiondialog.cpp
@@ -41,7 +41,7 @@ ConnectionDialog::ConnectionDialog(const std::string &text,
     setMovable(false);
     setMinWidth(0);
 
-    ProgressIndicator *const progressIndicator = new ProgressIndicator;
+    ProgressIndicator *const progressIndicator = new ProgressIndicator(this);
     Label *const label = new Label(this, text);
     Button *const cancelButton = new Button(
         // TRANSLATORS: connection dialog button
diff --git a/src/gui/windows/emotewindow.cpp b/src/gui/windows/emotewindow.cpp
index 5f3aa1bb1..d94344090 100644
--- a/src/gui/windows/emotewindow.cpp
+++ b/src/gui/windows/emotewindow.cpp
@@ -51,10 +51,10 @@ EmoteWindow::EmoteWindow() :
     mEmotePage(new EmotePage(this)),
     mColorModel(ColorModel::createDefault(this)),
     mColorPage(new ColorPage(this, mColorModel, "colorpage.xml")),
-    mScrollColorPage(new ScrollArea(mColorPage, false, "emotepage.xml")),
+    mScrollColorPage(new ScrollArea(this, mColorPage, false, "emotepage.xml")),
     mFontModel(new NamesModel),
     mFontPage(new ListBox(this, mFontModel, "")),
-    mScrollFontPage(new ScrollArea(mFontPage, false, "fontpage.xml")),
+    mScrollFontPage(new ScrollArea(this, mFontPage, false, "fontpage.xml")),
     mImageSet(Theme::getImageSetFromThemeXml("emotetabs.xml", "", 17, 16))
 {
     mTabs->postInit();
diff --git a/src/gui/windows/equipmentwindow.cpp b/src/gui/windows/equipmentwindow.cpp
index 6f2bb3b3d..01f74c50d 100644
--- a/src/gui/windows/equipmentwindow.cpp
+++ b/src/gui/windows/equipmentwindow.cpp
@@ -59,7 +59,8 @@ EquipmentWindow::EquipmentWindow(Equipment *const equipment,
     ActionListener(),
     mEquipment(equipment),
     mItemPopup(new ItemPopup),
-    mPlayerBox(new PlayerBox("equipment_playerbox.xml",
+    mPlayerBox(new PlayerBox(this,
+        "equipment_playerbox.xml",
         "equipment_selectedplayerbox.xml")),
     // TRANSLATORS: equipment window button
     mUnequip(new Button(this, _("Unequip"), "unequip", this)),
diff --git a/src/gui/windows/itemamountwindow.cpp b/src/gui/windows/itemamountwindow.cpp
index 6b7d10173..8e981ae96 100644
--- a/src/gui/windows/itemamountwindow.cpp
+++ b/src/gui/windows/itemamountwindow.cpp
@@ -148,7 +148,7 @@ ItemAmountWindow::ItemAmountWindow(const Usage usage, Window *const parent,
     mMax(maxRange),
     mUsage(usage),
     mItemPopup(new ItemPopup),
-    mItemAmountSlide(new Slider(1.0, mMax)),
+    mItemAmountSlide(new Slider(this, 1.0, mMax)),
     mItemPriceSlide(nullptr),
     mItemDropDown(nullptr),
     mItemsModal(nullptr),
@@ -182,7 +182,7 @@ ItemAmountWindow::ItemAmountWindow(const Usage usage, Window *const parent,
         mItemPriceTextField->setWidth(35);
         mItemPriceTextField->addKeyListener(this);
 
-        mItemPriceSlide = new Slider(1.0, 10000000);
+        mItemPriceSlide = new Slider(this, 1.0, 10000000);
         mItemPriceSlide->setHeight(10);
         mItemPriceSlide->setActionEventId("slidePrice");
         mItemPriceSlide->addActionListener(this);
diff --git a/src/gui/windows/selldialog.cpp b/src/gui/windows/selldialog.cpp
index aad3619ba..b79d18dcf 100644
--- a/src/gui/windows/selldialog.cpp
+++ b/src/gui/windows/selldialog.cpp
@@ -90,7 +90,7 @@ void SellDialog::init()
         getOptionBool("showbackground"), "sell_background.xml");
     mScrollArea->setHorizontalScrollPolicy(gcn::ScrollArea::SHOW_NEVER);
 
-    mSlider = new Slider(1.0);
+    mSlider = new Slider(this, 1.0);
 
     mQuantityLabel = new Label(this, strprintf(
         "%d / %d", mAmountItems, mMaxItems));