Add strong typed bool Opaque.

21 files changed, 68 insertions, 49 deletions

diff --git a/src/gui/windows/buydialog.cpp b/src/gui/windows/buydialog.cpp
index f2e5cc46d..a85db2af4 100644
--- a/src/gui/windows/buydialog.cpp
+++ b/src/gui/windows/buydialog.cpp
@@ -277,7 +277,8 @@ void BuyDialog::init()
     CREATEWIDGETV(mShopItemList, ShopListBox, this,
         mShopItems, mShopItems, ShopListBoxType::Unknown);
     mScrollArea = new ScrollArea(this, mShopItemList,
-        getOptionBool("showbackground"), "buy_background.xml");
+        fromBool(getOptionBool("showbackground"), Opaque),
+        "buy_background.xml");
     mScrollArea->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
 
     mSlider = new Slider(this, 1.0, 1.0);
diff --git a/src/gui/windows/confirmdialog.cpp b/src/gui/windows/confirmdialog.cpp
index 4a0936c0c..473c46eb0 100644
--- a/src/gui/windows/confirmdialog.cpp
+++ b/src/gui/windows/confirmdialog.cpp
@@ -45,7 +45,7 @@ ConfirmDialog::ConfirmDialog(const std::string &restrict title,
     mIgnore(ignore)
 {
     mTextBox->setEditable(false);
-    mTextBox->setOpaque(false);
+    mTextBox->setOpaque(Opaque_false);
     mTextBox->setTextWrapped(msg, 260);
     soundManager.playGuiSound(soundEvent);
 }
diff --git a/src/gui/windows/didyouknowwindow.cpp b/src/gui/windows/didyouknowwindow.cpp
index 1737010cc..db9352243 100644
--- a/src/gui/windows/didyouknowwindow.cpp
+++ b/src/gui/windows/didyouknowwindow.cpp
@@ -52,10 +52,10 @@ DidYouKnowWindow::DidYouKnowWindow() :
     // TRANSLATORS: did you know window name
     Window(_("Did You Know?"), Modal_false, nullptr, "didyouknow.xml"),
     ActionListener(),
-    mBrowserBox(new BrowserBox(this, BrowserBox::AUTO_SIZE, true,
+    mBrowserBox(new BrowserBox(this, BrowserBox::AUTO_SIZE, Opaque_true,
         "browserbox.xml")),
     mScrollArea(new ScrollArea(this, mBrowserBox,
-        true, "didyouknow_background.xml")),
+        Opaque_true, "didyouknow_background.xml")),
     // TRANSLATORS: did you know window button
     mButtonPrev(new Button(this, _("< Previous"), "prev", this)),
     // TRANSLATORS: did you know window button
@@ -76,7 +76,7 @@ DidYouKnowWindow::DidYouKnowWindow() :
         setupWindow->registerWindowForReset(this);
     setDefaultSize(500, 400, ImagePosition::CENTER);
 
-    mBrowserBox->setOpaque(false);
+    mBrowserBox->setOpaque(Opaque_false);
     // TRANSLATORS: did you know window button
     Button *const okButton = new Button(this, _("Close"), "close", this);
 
diff --git a/src/gui/windows/emotewindow.cpp b/src/gui/windows/emotewindow.cpp
index d0d215522..f50028a57 100644
--- a/src/gui/windows/emotewindow.cpp
+++ b/src/gui/windows/emotewindow.cpp
@@ -58,10 +58,12 @@ EmoteWindow::EmoteWindow() :
     mEmotePage(new EmotePage(this)),
     mColorModel(ColorModel::createDefault(this)),
     mColorPage(CREATEWIDGETR(ColorPage, this, mColorModel, "colorpage.xml")),
-    mScrollColorPage(new ScrollArea(this, mColorPage, false, "emotepage.xml")),
+    mScrollColorPage(new ScrollArea(this, mColorPage, Opaque_false,
+        "emotepage.xml")),
     mFontModel(new NamesModel),
     mFontPage(CREATEWIDGETR(ListBox, this, mFontModel, "")),
-    mScrollFontPage(new ScrollArea(this, mFontPage, false, "fontpage.xml")),
+    mScrollFontPage(new ScrollArea(this, mFontPage, Opaque_false,
+        "fontpage.xml")),
     mImageSet(Theme::getImageSetFromThemeXml("emotetabs.xml", "", 17, 16))
 {
     setShowTitle(false);
diff --git a/src/gui/windows/helpwindow.cpp b/src/gui/windows/helpwindow.cpp
index 63123d56b..54172e1ed 100644
--- a/src/gui/windows/helpwindow.cpp
+++ b/src/gui/windows/helpwindow.cpp
@@ -54,10 +54,10 @@ HelpWindow::HelpWindow() :
     ActionListener(),
     // TRANSLATORS: help window. button.
     mDYKButton(new Button(this, _("Did you know..."), "DYK", this)),
-    mBrowserBox(new BrowserBox(this, BrowserBox::AUTO_SIZE, true,
+    mBrowserBox(new BrowserBox(this, BrowserBox::AUTO_SIZE, Opaque_true,
         "browserbox.xml")),
     mScrollArea(new ScrollArea(this, mBrowserBox,
-        true, "help_background.xml")),
+        Opaque_true, "help_background.xml")),
     mTagFileMap()
 {
     setMinWidth(300);
@@ -73,7 +73,7 @@ HelpWindow::HelpWindow() :
 
     setDefaultSize(500, 400, ImagePosition::CENTER);
 
-    mBrowserBox->setOpaque(false);
+    mBrowserBox->setOpaque(Opaque_false);
 
     mBrowserBox->setLinkHandler(this);
     if (gui)
diff --git a/src/gui/windows/inventorywindow.cpp b/src/gui/windows/inventorywindow.cpp
index d265a42b3..fe096971d 100644
--- a/src/gui/windows/inventorywindow.cpp
+++ b/src/gui/windows/inventorywindow.cpp
@@ -171,7 +171,8 @@ InventoryWindow::InventoryWindow(Inventory *const inventory) :
     mItems->addSelectionListener(this);
 
     ScrollArea *const invenScroll = new ScrollArea(this, mItems,
-        getOptionBool("showbackground"), "inventory_background.xml");
+        fromBool(getOptionBool("showbackground"), Opaque),
+        "inventory_background.xml");
     invenScroll->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
 
     const int size = config.getIntValue("fontSize");
diff --git a/src/gui/windows/maileditwindow.cpp b/src/gui/windows/maileditwindow.cpp
index d0e5e2f31..381c1d800 100644
--- a/src/gui/windows/maileditwindow.cpp
+++ b/src/gui/windows/maileditwindow.cpp
@@ -70,7 +70,8 @@ MailEditWindow::MailEditWindow() :
     mInventory(new Inventory(InventoryType::Mail, 1)),
     mItemContainer(new ItemContainer(this, mInventory)),
     mItemScrollArea(new ScrollArea(this, mItemContainer,
-        getOptionBool("showitemsbackground"), "mailedit_listbackground.xml"))
+        fromBool(getOptionBool("showitemsbackground"), Opaque),
+        "mailedit_listbackground.xml"))
 {
     setWindowName("MailEdit");
     setCloseButton(true);
diff --git a/src/gui/windows/mailwindow.cpp b/src/gui/windows/mailwindow.cpp
index 87b732bf8..7345f8266 100644
--- a/src/gui/windows/mailwindow.cpp
+++ b/src/gui/windows/mailwindow.cpp
@@ -57,7 +57,8 @@ MailWindow::MailWindow() :
     mListBox(CREATEWIDGETR(ExtendedListBox,
         this, mMailModel, "extendedlistbox.xml")),
     mListScrollArea(new ScrollArea(this, mListBox,
-        getOptionBool("showlistbackground"), "mail_listbackground.xml")),
+        fromBool(getOptionBool("showlistbackground"), Opaque),
+        "mail_listbackground.xml")),
     // TRANSLATORS: mail window button
     mRefreshButton(new Button(this, _("Refresh"), "refresh", this)),
     // TRANSLATORS: mail window button
diff --git a/src/gui/windows/npcdialog.cpp b/src/gui/windows/npcdialog.cpp
index ccb52f8c4..00ba8061d 100644
--- a/src/gui/windows/npcdialog.cpp
+++ b/src/gui/windows/npcdialog.cpp
@@ -99,19 +99,22 @@ NpcDialog::NpcDialog(const BeingId npcId) :
     mNpcId(npcId),
     mDefaultInt(0),
     mDefaultString(),
-    mTextBox(new BrowserBox(this, BrowserBox::AUTO_WRAP, true,
+    mTextBox(new BrowserBox(this, BrowserBox::AUTO_WRAP, Opaque_true,
         "browserbox.xml")),
     mScrollArea(new ScrollArea(this, mTextBox,
-        getOptionBool("showtextbackground"), "npc_textbackground.xml")),
+        fromBool(getOptionBool("showtextbackground"), Opaque),
+        "npc_textbackground.xml")),
     mText(),
     mNewText(),
     mItemList(CREATEWIDGETR(ExtendedListBox,
         this, this, "extendedlistbox.xml")),
     mListScrollArea(new ScrollArea(this, mItemList,
-        getOptionBool("showlistbackground"), "npc_listbackground.xml")),
+        fromBool(getOptionBool("showlistbackground"), Opaque),
+        "npc_listbackground.xml")),
     mSkinContainer(new Container(this)),
     mSkinScrollArea(new ScrollArea(this, mSkinContainer,
-        getOptionBool("showlistbackground"), "npc_listbackground.xml")),
+        fromBool(getOptionBool("showlistbackground"), Opaque),
+        "npc_listbackground.xml")),
     mItems(),
     mImages(),
     mItemLinkHandler(new ItemLinkHandler),
@@ -135,7 +138,8 @@ NpcDialog::NpcDialog(const BeingId npcId) :
     mItemContainer(new ItemContainer(this, mInventory,
         10000, ShowEmptyRows_true)),
     mItemScrollArea(new ScrollArea(this, mItemContainer,
-        getOptionBool("showitemsbackground"), "npc_listbackground.xml")),
+        fromBool(getOptionBool("showitemsbackground"), Opaque),
+        "npc_listbackground.xml")),
     mInputState(NPC_INPUT_NONE),
     mActionState(NPC_ACTION_WAIT),
     mSkinControls(),
@@ -165,7 +169,7 @@ NpcDialog::NpcDialog(const BeingId npcId) :
     mPlayerBox->setHeight(100);
 
     // Setup output text box
-    mTextBox->setOpaque(false);
+    mTextBox->setOpaque(Opaque_false);
     mTextBox->setMaxRow(config.getIntValue("ChatLogLength"));
     mTextBox->setLinkHandler(mItemLinkHandler);
     mTextBox->setProcessVars(true);
@@ -1289,9 +1293,9 @@ void NpcDialog::createSkinControls()
         const NpcTextInfo *const info = *it;
         BrowserBox *box = new BrowserBox(this,
             BrowserBox::AUTO_WRAP,
-            true,
+            Opaque_true,
             "browserbox.xml");
-        box->setOpaque(false);
+        box->setOpaque(Opaque_false);
         box->setMaxRow(config.getIntValue("ChatLogLength"));
         box->setLinkHandler(mItemLinkHandler);
         box->setProcessVars(true);
diff --git a/src/gui/windows/okdialog.cpp b/src/gui/windows/okdialog.cpp
index d687976ed..dfee80a99 100644
--- a/src/gui/windows/okdialog.cpp
+++ b/src/gui/windows/okdialog.cpp
@@ -46,7 +46,7 @@ OkDialog::OkDialog(const std::string &restrict title,
     mTextBox(new TextBox(this))
 {
     mTextBox->setEditable(false);
-    mTextBox->setOpaque(false);
+    mTextBox->setOpaque(Opaque_false);
     mTextBox->setTextWrapped(msg, minWidth);
 
     // TRANSLATORS: ok dialog button
diff --git a/src/gui/windows/questswindow.cpp b/src/gui/windows/questswindow.cpp
index a8c86e097..fd6678e55 100644
--- a/src/gui/windows/questswindow.cpp
+++ b/src/gui/windows/questswindow.cpp
@@ -68,11 +68,14 @@ QuestsWindow::QuestsWindow() :
     mQuestsListBox(CREATEWIDGETR(ExtendedListBox,
         this, mQuestsModel, "extendedlistbox.xml")),
     mQuestScrollArea(new ScrollArea(this, mQuestsListBox,
-        getOptionBool("showlistbackground"), "quests_list_background.xml")),
+        fromBool(getOptionBool("showlistbackground"), Opaque),
+        "quests_list_background.xml")),
     mItemLinkHandler(new ItemLinkHandler),
-    mText(new BrowserBox(this, BrowserBox::AUTO_WRAP, true, "browserbox.xml")),
+    mText(new BrowserBox(this, BrowserBox::AUTO_WRAP, Opaque_true,
+        "browserbox.xml")),
     mTextScrollArea(new ScrollArea(this, mText,
-        getOptionBool("showtextbackground"), "quests_text_background.xml")),
+        fromBool(getOptionBool("showtextbackground"), Opaque),
+        "quests_text_background.xml")),
     // TRANSLATORS: quests window button
     mCloseButton(new Button(this, _("Close"), "close", this)),
     mCompleteIcon(Theme::getImageFromThemeXml("complete_icon.xml", "")),
@@ -104,7 +107,7 @@ QuestsWindow::QuestsWindow() :
     mQuestsListBox->addActionListener(this);
 
     mQuestScrollArea->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
-    mText->setOpaque(false);
+    mText->setOpaque(Opaque_false);
     mText->setLinkHandler(mItemLinkHandler);
     mTextScrollArea->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
     mQuestsListBox->setWidth(500);
diff --git a/src/gui/windows/serverdialog.cpp b/src/gui/windows/serverdialog.cpp
index 509b04fda..68de46288 100644
--- a/src/gui/windows/serverdialog.cpp
+++ b/src/gui/windows/serverdialog.cpp
@@ -141,7 +141,8 @@ ServerDialog::ServerDialog(ServerInfo *const serverInfo,
     mServersList->addMouseListener(this);
 
     ScrollArea *const usedScroll = new ScrollArea(this, mServersList,
-        getOptionBool("showbackground"), "server_background.xml");
+        fromBool(getOptionBool("showbackground"), Opaque),
+        "server_background.xml");
     usedScroll->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
 
     mServersList->addSelectionListener(this);
diff --git a/src/gui/windows/shopwindow.cpp b/src/gui/windows/shopwindow.cpp
index a2793640c..6ec422505 100644
--- a/src/gui/windows/shopwindow.cpp
+++ b/src/gui/windows/shopwindow.cpp
@@ -113,7 +113,8 @@ ShopWindow::ShopWindow() :
         this, mSellShopItems, mSellShopItems, ShopListBoxType::SellShop)),
     mCurrentShopItemList(nullptr),
     mScrollArea(new ScrollArea(this, mBuyShopItemList,
-        getOptionBool("showbuybackground"), "shop_buy_background.xml")),
+        fromBool(getOptionBool("showbuybackground"), Opaque),
+        "shop_buy_background.xml")),
     // TRANSLATORS: shop window label
     mAddButton(new Button(this, _("Add"), "add", this)),
     // TRANSLATORS: shop window label
diff --git a/src/gui/windows/shortcutwindow.cpp b/src/gui/windows/shortcutwindow.cpp
index ba3b97b46..9d4b34b6d 100644
--- a/src/gui/windows/shortcutwindow.cpp
+++ b/src/gui/windows/shortcutwindow.cpp
@@ -52,7 +52,7 @@ ShortcutWindow::ShortcutWindow(const std::string &restrict title,
                                int width, int height) :
     Window("Window", Modal_false, nullptr, skinFile),
     mItems(content),
-    mScrollArea(new ScrollArea(this, mItems, false)),
+    mScrollArea(new ScrollArea(this, mItems, Opaque_false)),
     mTabs(nullptr),
     mPages(),
     mButtonIndex(0)
@@ -169,7 +169,7 @@ void ShortcutWindow::addTab(const std::string &name,
 {
     if (!content || !mTabs)
         return;
-    ScrollArea *const scroll = new ScrollArea(this, content, false);
+    ScrollArea *const scroll = new ScrollArea(this, content, Opaque_false);
     scroll->setPosition(SCROLL_PADDING, SCROLL_PADDING);
     scroll->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
     content->setWidget2(this);
diff --git a/src/gui/windows/skilldialog.cpp b/src/gui/windows/skilldialog.cpp
index b973c09be..9cf1a1132 100644
--- a/src/gui/windows/skilldialog.cpp
+++ b/src/gui/windows/skilldialog.cpp
@@ -341,7 +341,9 @@ void SkillDialog::loadXmlFile(const std::string &fileName,
             SkillListBox *const listbox = new SkillListBox(this, model);
             listbox->setActionEventId("sel");
             listbox->addActionListener(this);
-            ScrollArea *const scroll = new ScrollArea(this, listbox, false);
+            ScrollArea *const scroll = new ScrollArea(this,
+                listbox,
+                Opaque_false);
             scroll->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
             scroll->setVerticalScrollPolicy(ScrollArea::SHOW_ALWAYS);
 
diff --git a/src/gui/windows/socialwindow.cpp b/src/gui/windows/socialwindow.cpp
index d98fec4f1..bfdab1a31 100644
--- a/src/gui/windows/socialwindow.cpp
+++ b/src/gui/windows/socialwindow.cpp
@@ -63,12 +63,12 @@ SocialWindow::SocialWindow() :
     mPickupFilter(nullptr),
     // TRANSLATORS: here P is title for visible players tab in social window
     mPlayers(new SocialPlayersTab(this, _("P"),
-        getOptionBool("showtabbackground"))),
+        fromBool(getOptionBool("showtabbackground"), Opaque))),
     mNavigation(new SocialNavigationTab(this,
-        getOptionBool("showtabbackground"))),
+        fromBool(getOptionBool("showtabbackground"), Opaque))),
     // TRANSLATORS: here F is title for friends tab in social window
     mFriends(new SocialFriendsTab(this, _("F"),
-        getOptionBool("showtabbackground"))),
+        fromBool(getOptionBool("showtabbackground"), Opaque))),
     // TRANSLATORS: social window button
     mMenuButton(new Button(this, _("Menu"), "menu", this)),
     mCountLabel(new Label(this, "1000 / 1000")),
@@ -113,7 +113,7 @@ void SocialWindow::postInit()
     if (config.getBoolValue("enableAttackFilter"))
     {
         mAttackFilter = new SocialAttackTab(this,
-            getOptionBool("showtabbackground"));
+            fromBool(getOptionBool("showtabbackground"), Opaque));
         mTabs->addTab(mAttackFilter, mAttackFilter->mScroll);
     }
     else
@@ -124,7 +124,7 @@ void SocialWindow::postInit()
     if (config.getBoolValue("enablePickupFilter"))
     {
         mPickupFilter = new SocialPickupTab(this,
-            getOptionBool("showtabbackground"));
+            fromBool(getOptionBool("showtabbackground"), Opaque));
         mTabs->addTab(mPickupFilter, mPickupFilter->mScroll);
     }
     else
@@ -192,13 +192,13 @@ bool SocialWindow::addTab(Guild *const guild)
     if (guild->getServerGuild())
     {
         tab = new SocialGuildTab(this, guild,
-            getOptionBool("showtabbackground"));
+            fromBool(getOptionBool("showtabbackground"), Opaque));
     }
 #ifdef TMWA_SUPPORT
     else
     {
         tab = new SocialGuildTab2(this, guild,
-            getOptionBool("showtabbackground"));
+            fromBool(getOptionBool("showtabbackground"), Opaque));
     }
 #endif  // TMWA_SUPPORT
 
@@ -234,7 +234,7 @@ bool SocialWindow::addTab(Party *const party)
         return false;
 
     SocialPartyTab *const tab = new SocialPartyTab(this, party,
-        getOptionBool("showtabbackground"));
+        fromBool(getOptionBool("showtabbackground"), Opaque));
     mParties[party] = tab;
 
     mTabs->addTab(tab, tab->mScroll);
diff --git a/src/gui/windows/textselectdialog.cpp b/src/gui/windows/textselectdialog.cpp
index ebbee9528..d533f3838 100644
--- a/src/gui/windows/textselectdialog.cpp
+++ b/src/gui/windows/textselectdialog.cpp
@@ -78,7 +78,8 @@ void TextSelectDialog::postInit()
         mModel,
         "listbox.xml");
     mScrollArea = new ScrollArea(this, mItemList,
-        getOptionBool("showbackground"), "sell_background.xml");
+        fromBool(getOptionBool("showbackground"), Opaque),
+        "sell_background.xml");
     mScrollArea->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
 
     mSelectButton = new Button(this,
diff --git a/src/gui/windows/tradewindow.cpp b/src/gui/windows/tradewindow.cpp
index 6cf601b38..6a2f27b44 100644
--- a/src/gui/windows/tradewindow.cpp
+++ b/src/gui/windows/tradewindow.cpp
@@ -119,14 +119,14 @@ TradeWindow::TradeWindow() :
     mMyItemContainer->addSelectionListener(this);
 
     ScrollArea *const myScroll = new ScrollArea(this, mMyItemContainer,
-        true, "trade_background.xml");
+        Opaque_true, "trade_background.xml");
     myScroll->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
 
     mPartnerItemContainer->addSelectionListener(this);
 
     ScrollArea *const partnerScroll = new ScrollArea(this,
         mPartnerItemContainer,
-        true, "trade_background.xml");
+        Opaque_true, "trade_background.xml");
     partnerScroll->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);
 
     // TRANSLATORS: trade window money label
diff --git a/src/gui/windows/updaterwindow.cpp b/src/gui/windows/updaterwindow.cpp
index 8dd88f9c6..b2adf2be3 100644
--- a/src/gui/windows/updaterwindow.cpp
+++ b/src/gui/windows/updaterwindow.cpp
@@ -193,10 +193,10 @@ UpdaterWindow::UpdaterWindow(const std::string &restrict updateHost,
     mProgressBar(new ProgressBar(this, 0.0, 310, 0,
         ProgressColorId::PROG_UPDATE,
         "updateprogressbar.xml", "updateprogressbar_fill.xml")),
-    mBrowserBox(new BrowserBox(this, BrowserBox::AUTO_SIZE, true,
+    mBrowserBox(new BrowserBox(this, BrowserBox::AUTO_SIZE, Opaque_true,
         "browserbox.xml")),
     mScrollArea(new ScrollArea(this, mBrowserBox,
-        true, "update_background.xml")),
+        Opaque_true, "update_background.xml")),
     mDownloadStatus(UpdateDownloadStatus::UPDATE_NEWS),
     mDownloadedBytes(0),
     mUpdateIndex(0),
@@ -216,7 +216,7 @@ UpdaterWindow::UpdaterWindow(const std::string &restrict updateHost,
     setMinHeight(220);
 
     mProgressBar->setSmoothProgress(false);
-    mBrowserBox->setOpaque(false);
+    mBrowserBox->setOpaque(Opaque_false);
     mBrowserBox->setLinkHandler(this);
     mBrowserBox->setProcessVars(true);
     mBrowserBox->setEnableKeys(true);
diff --git a/src/gui/windows/whoisonline.cpp b/src/gui/windows/whoisonline.cpp
index 7fb6caa1d..a676df0ea 100644
--- a/src/gui/windows/whoisonline.cpp
+++ b/src/gui/windows/whoisonline.cpp
@@ -98,9 +98,9 @@ WhoIsOnline::WhoIsOnline() :
     mThread(nullptr),
     mMemoryBuffer(nullptr),
     mCurlError(new char[CURL_ERROR_SIZE]),
-    mBrowserBox(new BrowserBox(this, BrowserBox::AUTO_SIZE, true,
+    mBrowserBox(new BrowserBox(this, BrowserBox::AUTO_SIZE, Opaque_true,
         "onlinebrowserbox.xml")),
-    mScrollArea(new ScrollArea(this, mBrowserBox, false)),
+    mScrollArea(new ScrollArea(this, mBrowserBox, Opaque_false)),
     // TRANSLATORS: who is online. button.
     mUpdateButton(new Button(this, _("Update"), "update", this)),
     mOnlinePlayers(),
@@ -142,7 +142,7 @@ void WhoIsOnline::postInit()
     mUpdateButton->setEnabled(false);
     mUpdateButton->setDimension(Rect(5, 5, w - 10, 20 + 5));
 
-    mBrowserBox->setOpaque(false);
+    mBrowserBox->setOpaque(Opaque_false);
     mScrollArea->setDimension(Rect(5, 20 + 10, w - 10, h - 10 - 30));
     mScrollArea->setSize(w - 10, h - 10 - 30);
     mBrowserBox->setLinkHandler(this);
diff --git a/src/gui/windows/worldselectdialog.cpp b/src/gui/windows/worldselectdialog.cpp
index e1aeb28b4..912be2d5f 100644
--- a/src/gui/windows/worldselectdialog.cpp
+++ b/src/gui/windows/worldselectdialog.cpp
@@ -55,7 +55,8 @@ WorldSelectDialog::WorldSelectDialog(Worlds worlds) :
     mChooseWorld(new Button(this, _("Choose World"), "world", this))
 {
     ScrollArea *const worldsScroll = new ScrollArea(this, mWorldList,
-        getOptionBool("showbackground"), "world_background.xml");
+        fromBool(getOptionBool("showbackground"), Opaque),
+         "world_background.xml");
 
     worldsScroll->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);