improve skilldialog class.

split skilldialog file.

9 files changed, 509 insertions, 292 deletions

diff --git a/src/gui/skilldialog.cpp b/src/gui/skilldialog.cpp
index 44d9d0283..693dc6c8b 100644
--- a/src/gui/skilldialog.cpp
+++ b/src/gui/skilldialog.cpp
@@ -22,81 +22,12 @@
 
 #include "gui/skilldialog.h"
 
-#include "configuration.h"
-#include "effectmanager.h"
-#include "itemshortcut.h"
-#include "localplayer.h"
-#include "playerinfo.h"
-
-#include "gui/setup.h"
-#include "gui/shortcutwindow.h"
-#include "gui/textpopup.h"
-#include "gui/viewport.h"
-
-#include "gui/widgets/label.h"
-#include "gui/widgets/layouthelper.h"
-#include "gui/widgets/listbox.h"
-#include "gui/widgets/progressbar.h"
-#include "gui/widgets/scrollarea.h"
-#include "gui/widgets/tab.h"
-
-#include "net/net.h"
-#include "net/playerhandler.h"
-#include "net/skillhandler.h"
-
-#include "resources/image.h"
-#include "resources/resourcemanager.h"
-
-#include "utils/dtor.h"
-#include "utils/gettext.h"
-
-#include <guichan/font.hpp>
-
-#include <set>
-#include <string>
+#include "gui/widgets/skillmodel.h"
 
 #include "debug.h"
 
-class SkillModel;
 class SkillEntry;
 
-class SkillModel final : public gcn::ListModel
-{
-    public:
-        SkillModel() :
-            mSkills(),
-            mVisibleSkills()
-        {
-        }
-
-        int getNumberOfElements()
-        { return static_cast<int>(mVisibleSkills.size()); }
-
-        SkillInfo *getSkillAt(const int i) const
-        {
-            if (i < 0 || i >= static_cast<int>(mVisibleSkills.size()))
-                return nullptr;
-            return mVisibleSkills.at(i);
-        }
-
-        std::string getElementAt(int i)
-        {
-            if (getSkillAt(i))
-                return getSkillAt(i)->data->name;
-            else
-                return "";
-        }
-
-        void updateVisibilities();
-
-        void addSkill(SkillInfo *const info)
-        { mSkills.push_back(info); }
-
-    private:
-        SkillList mSkills;
-        SkillList mVisibleSkills;
-};
-
 class SkillListBox final : public ListBox
 {
     public:
@@ -137,7 +68,7 @@ class SkillListBox final : public ListBox
             return static_cast<SkillModel*>(mListModel)->getSkillAt(selected);
         }
 
-        void draw(gcn::Graphics *gcnGraphics)
+        void draw(gcn::Graphics *gcnGraphics) override
         {
             if (!mListModel)
                 return;
@@ -193,10 +124,10 @@ class SkillListBox final : public ListBox
             }
         }
 
-        unsigned int getRowHeight() const
+        unsigned int getRowHeight() const override
         { return mRowHeight; }
 
-        void mouseMoved(gcn::MouseEvent &event)
+        void mouseMoved(gcn::MouseEvent &event) override
         {
             ListBox::mouseMoved(event);
             if (!viewport)
@@ -213,7 +144,7 @@ class SkillListBox final : public ListBox
                 skill->data->dispName, skill->data->description);
         }
 
-        void mouseExited(gcn::MouseEvent &event A_UNUSED)
+        void mouseExited(gcn::MouseEvent &event A_UNUSED) override
         {
             mPopup->hide();
         }
@@ -257,7 +188,7 @@ class SkillTab final : public Tab
         }
 
     protected:
-        void setCurrent()
+        void setCurrent() override
         {
             if (skillDialog)
                 skillDialog->updateTabSelection();
@@ -304,7 +235,6 @@ SkillDialog::SkillDialog() :
 
 SkillDialog::~SkillDialog()
 {
-    // Clear gui
     clearSkills();
 }
 
@@ -622,19 +552,7 @@ void SkillDialog::addSkill(const int id, const int level, const int range,
     }
 }
 
-void SkillModel::updateVisibilities()
-{
-    mVisibleSkills.clear();
-
-    FOR_EACH (SkillList::const_iterator, it, mSkills)
-    {
-        if ((*it) && (*it)->visible)
-            mVisibleSkills.push_back((*it));
-    }
-}
-
-
-SkillInfo* SkillDialog::getSkill(int id)
+SkillInfo* SkillDialog::getSkill(const int id)
 {
     return mSkills[id];
 }
@@ -647,9 +565,14 @@ void SkillDialog::widgetResized(const gcn::Event &event)
         mTabs->fixSize();
 }
 
-void SkillDialog::useItem(const int itemId)
+void SkillDialog::useItem(const int itemId) const
 {
-    const SkillInfo *const info = mSkills[itemId - SKILL_MIN_ID];
+    const std::map<int, SkillInfo*>::const_iterator
+        it = mSkills.find(itemId - SKILL_MIN_ID);
+    if (it == mSkills.end())
+        return;
+
+    const SkillInfo *const info = (*it).second;
     if (info && player_node && player_node->getTarget())
     {
         const Being *const being = player_node->getTarget();
@@ -696,7 +619,7 @@ void SkillDialog::updateQuest(const int var, const int val)
     }
 }
 
-void SkillDialog::playUpdateEffect(const int id)
+void SkillDialog::playUpdateEffect(const int id) const
 {
     const int effectId = paths.getIntValue("skillLevelUpEffectId");
     if (!effectManager || effectId == -1)
@@ -708,139 +631,3 @@ void SkillDialog::playUpdateEffect(const int id)
             effectManager->trigger(effectId, player_node);
     }
 }
-
-SkillInfo::SkillInfo() :
-    level(0),
-    skillLevel(),
-    skillLevelWidth(0),
-    id(0),
-    modifiable(false),
-    visible(false),
-    model(nullptr),
-    skillExp(),
-    progress(0.0f),
-    range(0),
-    color(),
-    data(nullptr),
-    dataMap()
-{
-    dataMap[0] = new SkillData();
-    data = dataMap[0];
-}
-
-SkillInfo::~SkillInfo()
-{
-    FOR_EACH (SkillDataMapIter, it, dataMap)
-        delete (*it).second;
-    dataMap.clear();
-}
-
-void SkillInfo::update()
-{
-    const int baseLevel = PlayerInfo::getSkillLevel(id);
-    const std::pair<int, int> exp = PlayerInfo::getStatExperience(id);
-
-    if (!modifiable && baseLevel == 0 && exp.second == 0)
-    {
-        if (visible)
-        {
-            visible = false;
-            if (model)
-                model->updateVisibilities();
-        }
-        return;
-    }
-
-    const bool updateVisibility = !visible;
-    visible = true;
-
-    if (baseLevel == 0)
-    {
-        skillLevel.clear();
-    }
-    else
-    {
-        // TRANSLATORS: skills dialog. skill level
-        skillLevel = strprintf(_("Lvl: %d"), baseLevel);
-    }
-
-    level = baseLevel;
-    skillLevelWidth = -1;
-
-    if (exp.second)
-    {
-        skillExp = strprintf("%d / %d", exp.first, exp.second);
-        progress = static_cast<float>(exp.first)
-                   / static_cast<float>(exp.second);
-    }
-    else
-    {
-        skillExp.clear();
-        progress = 0.0f;
-    }
-
-    color = Theme::getProgressColor(Theme::PROG_EXP, progress);
-
-    if (updateVisibility && model)
-        model->updateVisibilities();
-
-    data = getData(level);
-    if (!data)
-        data = dataMap[0];
-}
-
-
-void SkillInfo::addData(const int level1, SkillData *const data1)
-{
-    dataMap[level1] = data1;
-}
-
-SkillData *SkillInfo::getData(const int level1)
-{
-    SkillDataMapIter it = dataMap.find(level1);
-    if (it == dataMap.end())
-        return nullptr;
-    return (*it).second;
-}
-
-SkillData *SkillInfo::getData1(const int lev)
-{
-    SkillDataMapIter it = dataMap.find(lev);
-    if (it == dataMap.end())
-        return dataMap[0];
-    return (*it).second;
-}
-
-SkillData::SkillData() :
-    name(),
-    shortName(),
-    dispName(),
-    description(),
-    icon(nullptr),
-    particle(),
-    soundHit("", 0),
-    soundMiss("", 0)
-{
-}
-
-SkillData::~SkillData()
-{
-    if (icon)
-    {
-        icon->decRef();
-        icon = nullptr;
-    }
-}
-
-void SkillData::setIcon(const std::string &iconPath)
-{
-    ResourceManager *const res = ResourceManager::getInstance();
-    if (!iconPath.empty())
-        icon = res->getImage(iconPath);
-
-    if (!icon)
-    {
-        icon = Theme::getImageFromTheme(
-            paths.getStringValue("unknownItemFile"));
-    }
-}
diff --git a/src/gui/skilldialog.h b/src/gui/skilldialog.h
index 2a9f69a77..ad3df5f8b 100644
--- a/src/gui/skilldialog.h
+++ b/src/gui/skilldialog.h
@@ -25,13 +25,7 @@
 
 #include "gui/widgets/window.h"
 
-#include "resources/soundinfo.h"
-
 #include <guichan/actionlistener.hpp>
-#include <guichan/mouselistener.hpp>
-
-#include <map>
-#include <vector>
 
 const int SKILL_MIN_ID = 200000;
 const unsigned int SKILL_VAR_MIN_ID = 1000000;
@@ -43,61 +37,7 @@ class SkillModel;
 class Tab;
 class TabbedArea;
 
-struct SkillData final
-{
-    std::string name;
-    std::string shortName;
-    std::string dispName;
-    std::string description;
-    Image *icon;
-
-    std::string particle;
-    SoundInfo soundHit;
-    SoundInfo soundMiss;
-
-    SkillData();
-    A_DELETE_COPY(SkillData)
-    ~SkillData();
-
-    void setIcon(const std::string &iconPath);
-};
-
-typedef std::map<int, SkillData*> SkillDataMap;
-typedef SkillDataMap::iterator SkillDataMapIter;
-typedef SkillDataMap::const_iterator SkillDataMapCIter;
-
-struct SkillInfo final
-{
-    int level;
-    std::string skillLevel;
-    int skillLevelWidth;
-    unsigned int id;
-    bool modifiable;
-    bool visible;
-    SkillModel *model;
-    std::string skillExp;
-    float progress;
-    int range;
-    gcn::Color color;
-
-    SkillData *data;
-    SkillDataMap dataMap;
-
-    SkillInfo();
-    A_DELETE_COPY(SkillInfo)
-    ~SkillInfo();
-
-    void update();
-
-    SkillData *getData(const int level);
-
-    SkillData *getData1(const int level);
-
-    void addData(const int level, SkillData *const data);
-};
-
-typedef std::vector<SkillInfo*> SkillList;
-typedef SkillList::iterator SkillListIter;
+struct SkillInfo;
 
 /**
  * The skill dialog.
@@ -137,20 +77,20 @@ class SkillDialog final : public Window, public gcn::ActionListener
         void addSkill(const int id, const int level, const int range,
                       const bool modifiable);
 
-        SkillInfo* getSkill(int id) A_WARN_UNUSED;
+        SkillInfo* getSkill(const int id) A_WARN_UNUSED;
 
         bool hasSkills() const A_WARN_UNUSED
         { return !mSkills.empty(); }
 
         void widgetResized(const gcn::Event &event) override;
 
-        void useItem(const int itemId);
+        void useItem(const int itemId) const;
 
         void updateTabSelection();
 
         void updateQuest(const int var, const int val);
 
-        void playUpdateEffect(const int id);
+        void playUpdateEffect(const int id) const;
 
     private:
         typedef std::map<int, SkillInfo*> SkillMap;
diff --git a/src/gui/widgets/itemshortcutcontainer.cpp b/src/gui/widgets/itemshortcutcontainer.cpp
index ff36d8805..3cfe52393 100644
--- a/src/gui/widgets/itemshortcutcontainer.cpp
+++ b/src/gui/widgets/itemshortcutcontainer.cpp
@@ -39,6 +39,8 @@
 #include "gui/spellpopup.h"
 #include "gui/viewport.h"
 
+#include "gui/widgets/skillinfo.h"
+
 #include "resources/image.h"
 
 #include <guichan/font.hpp>
diff --git a/src/gui/widgets/skilldata.cpp b/src/gui/widgets/skilldata.cpp
new file mode 100644
index 000000000..a0d804660
--- /dev/null
+++ b/src/gui/widgets/skilldata.cpp
@@ -0,0 +1,63 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2013  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gui/widgets/skilldata.h"
+
+#include "configuration.h"
+
+#include "resources/resourcemanager.h"
+
+#include "debug.h"
+
+SkillData::SkillData() :
+    name(),
+    shortName(),
+    dispName(),
+    description(),
+    icon(nullptr),
+    particle(),
+    soundHit("", 0),
+    soundMiss("", 0)
+{
+}
+
+SkillData::~SkillData()
+{
+    if (icon)
+    {
+        icon->decRef();
+        icon = nullptr;
+    }
+}
+
+void SkillData::setIcon(const std::string &iconPath)
+{
+    ResourceManager *const res = ResourceManager::getInstance();
+    if (!iconPath.empty())
+        icon = res->getImage(iconPath);
+
+    if (!icon)
+    {
+        icon = Theme::getImageFromTheme(
+            paths.getStringValue("unknownItemFile"));
+    }
+}
diff --git a/src/gui/widgets/skilldata.h b/src/gui/widgets/skilldata.h
new file mode 100644
index 000000000..63a73abed
--- /dev/null
+++ b/src/gui/widgets/skilldata.h
@@ -0,0 +1,50 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2013  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SKILLDATA_H
+#define SKILLDATA_H
+
+#include "gui/theme.h"
+
+#include "resources/image.h"
+#include "resources/soundinfo.h"
+
+struct SkillData final
+{
+    std::string name;
+    std::string shortName;
+    std::string dispName;
+    std::string description;
+    Image *icon;
+
+    std::string particle;
+    SoundInfo soundHit;
+    SoundInfo soundMiss;
+
+    SkillData();
+    A_DELETE_COPY(SkillData)
+    ~SkillData();
+
+    void setIcon(const std::string &iconPath);
+};
+
+#endif
diff --git a/src/gui/widgets/skillinfo.cpp b/src/gui/widgets/skillinfo.cpp
new file mode 100644
index 000000000..2b7060c31
--- /dev/null
+++ b/src/gui/widgets/skillinfo.cpp
@@ -0,0 +1,131 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2013  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gui/widgets/skillinfo.h"
+
+#include "playerinfo.h"
+
+#include "gui/widgets/skillmodel.h"
+
+#include "debug.h"
+
+SkillInfo::SkillInfo() :
+    level(0),
+    skillLevel(),
+    skillLevelWidth(0),
+    id(0),
+    modifiable(false),
+    visible(false),
+    model(nullptr),
+    skillExp(),
+    progress(0.0f),
+    range(0),
+    color(),
+    data(nullptr),
+    dataMap()
+{
+    dataMap[0] = new SkillData();
+    data = dataMap[0];
+}
+
+SkillInfo::~SkillInfo()
+{
+    FOR_EACH (SkillDataMapIter, it, dataMap)
+        delete (*it).second;
+    dataMap.clear();
+}
+
+void SkillInfo::update()
+{
+    const int baseLevel = PlayerInfo::getSkillLevel(id);
+    const std::pair<int, int> exp = PlayerInfo::getStatExperience(id);
+
+    if (!modifiable && baseLevel == 0 && exp.second == 0)
+    {
+        if (visible)
+        {
+            visible = false;
+            if (model)
+                model->updateVisibilities();
+        }
+        return;
+    }
+
+    const bool updateVisibility = !visible;
+    visible = true;
+
+    if (baseLevel == 0)
+    {
+        skillLevel.clear();
+    }
+    else
+    {
+        // TRANSLATORS: skills dialog. skill level
+        skillLevel = strprintf(_("Lvl: %d"), baseLevel);
+    }
+
+    level = baseLevel;
+    skillLevelWidth = -1;
+
+    if (exp.second)
+    {
+        skillExp = strprintf("%d / %d", exp.first, exp.second);
+        progress = static_cast<float>(exp.first)
+                   / static_cast<float>(exp.second);
+    }
+    else
+    {
+        skillExp.clear();
+        progress = 0.0f;
+    }
+
+    color = Theme::getProgressColor(Theme::PROG_EXP, progress);
+
+    if (updateVisibility && model)
+        model->updateVisibilities();
+
+    data = getData(level);
+    if (!data)
+        data = dataMap[0];
+}
+
+
+void SkillInfo::addData(const int level1, SkillData *const data1)
+{
+    dataMap[level1] = data1;
+}
+
+SkillData *SkillInfo::getData(const int level1) const
+{
+    SkillDataMapCIter it = dataMap.find(level1);
+    if (it == dataMap.end())
+        return nullptr;
+    return (*it).second;
+}
+
+SkillData *SkillInfo::getData1(const int lev) const
+{
+    SkillDataMapCIter it = dataMap.find(lev);
+    if (it == dataMap.end())
+        return (*dataMap.begin()).second;
+    return (*it).second;
+}
diff --git a/src/gui/widgets/skillinfo.h b/src/gui/widgets/skillinfo.h
new file mode 100644
index 000000000..21c310ea1
--- /dev/null
+++ b/src/gui/widgets/skillinfo.h
@@ -0,0 +1,68 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2013  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SKILLINFO_H
+#define SKILLINFO_H
+
+#include "gui/widgets/skilldata.h"
+
+#include <map>
+
+class SkillModel;
+
+typedef std::map<int, SkillData*> SkillDataMap;
+typedef SkillDataMap::iterator SkillDataMapIter;
+typedef SkillDataMap::const_iterator SkillDataMapCIter;
+
+struct SkillInfo final
+{
+    int level;
+    std::string skillLevel;
+    int skillLevelWidth;
+    unsigned int id;
+    bool modifiable;
+    bool visible;
+    SkillModel *model;
+    std::string skillExp;
+    float progress;
+    int range;
+    gcn::Color color;
+
+    SkillData *data;
+    SkillDataMap dataMap;
+
+    SkillInfo();
+    A_DELETE_COPY(SkillInfo)
+    ~SkillInfo();
+
+    void update();
+
+    SkillData *getData(const int level) const;
+    SkillData *getData1(const int level) const;
+
+    void addData(const int level, SkillData *const data);
+};
+
+typedef std::vector<SkillInfo*> SkillList;
+typedef SkillList::iterator SkillListIter;
+
+#endif
diff --git a/src/gui/widgets/skillmodel.cpp b/src/gui/widgets/skillmodel.cpp
new file mode 100644
index 000000000..f13604dea
--- /dev/null
+++ b/src/gui/widgets/skillmodel.cpp
@@ -0,0 +1,90 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2013  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gui/widgets/skillmodel.h"
+
+#include "configuration.h"
+#include "effectmanager.h"
+#include "itemshortcut.h"
+#include "localplayer.h"
+#include "playerinfo.h"
+
+#include "gui/setup.h"
+#include "gui/shortcutwindow.h"
+#include "gui/textpopup.h"
+#include "gui/viewport.h"
+
+#include "gui/widgets/label.h"
+#include "gui/widgets/layouthelper.h"
+#include "gui/widgets/listbox.h"
+#include "gui/widgets/progressbar.h"
+#include "gui/widgets/scrollarea.h"
+#include "gui/widgets/tab.h"
+
+#include "net/net.h"
+#include "net/playerhandler.h"
+#include "net/skillhandler.h"
+
+#include "resources/image.h"
+#include "resources/resourcemanager.h"
+
+#include "utils/dtor.h"
+#include "utils/gettext.h"
+
+#include <guichan/font.hpp>
+
+#include <set>
+#include <string>
+
+#include "debug.h"
+
+SkillModel::SkillModel() :
+    mSkills(),
+    mVisibleSkills()
+{
+}
+
+SkillInfo *SkillModel::getSkillAt(const int i) const
+{
+    if (i < 0 || i >= static_cast<int>(mVisibleSkills.size()))
+        return nullptr;
+    return mVisibleSkills.at(i);
+}
+
+std::string SkillModel::getElementAt(int i)
+{
+    if (getSkillAt(i))
+        return getSkillAt(i)->data->name;
+    else
+        return "";
+}
+
+void SkillModel::updateVisibilities()
+{
+    mVisibleSkills.clear();
+
+    FOR_EACH (SkillList::const_iterator, it, mSkills)
+    {
+        if ((*it) && (*it)->visible)
+            mVisibleSkills.push_back((*it));
+    }
+}
diff --git a/src/gui/widgets/skillmodel.h b/src/gui/widgets/skillmodel.h
new file mode 100644
index 000000000..7bd113a18
--- /dev/null
+++ b/src/gui/widgets/skillmodel.h
@@ -0,0 +1,86 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2013  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SKILLMODEL_H
+#define SKILLMODEL_H
+
+#include "configuration.h"
+#include "effectmanager.h"
+#include "itemshortcut.h"
+#include "localplayer.h"
+#include "playerinfo.h"
+
+#include "gui/setup.h"
+#include "gui/shortcutwindow.h"
+#include "gui/textpopup.h"
+#include "gui/viewport.h"
+
+#include "gui/widgets/label.h"
+#include "gui/widgets/layouthelper.h"
+#include "gui/widgets/listbox.h"
+#include "gui/widgets/progressbar.h"
+#include "gui/widgets/scrollarea.h"
+#include "gui/widgets/skillinfo.h"
+#include "gui/widgets/tab.h"
+
+#include "net/net.h"
+#include "net/playerhandler.h"
+#include "net/skillhandler.h"
+
+#include "resources/image.h"
+#include "resources/resourcemanager.h"
+
+#include "utils/dtor.h"
+#include "utils/gettext.h"
+
+#include <guichan/font.hpp>
+
+#include <set>
+#include <string>
+
+#include "localconsts.h"
+
+struct SkillInfo;
+
+class SkillModel final : public gcn::ListModel
+{
+    public:
+        SkillModel();
+
+        SkillInfo *getSkillAt(const int i) const;
+
+        std::string getElementAt(int i) override;
+
+        int getNumberOfElements() override
+        { return static_cast<int>(mVisibleSkills.size()); }
+
+        void addSkill(SkillInfo *const info)
+        { mSkills.push_back(info); }
+
+        void updateVisibilities();
+
+    private:
+        SkillList mSkills;
+        SkillList mVisibleSkills;
+};
+
+#endif