Disable increase button for fixed skills

1 files changed, 16 insertions, 8 deletions

diff --git a/src/gui/skill.cpp b/src/gui/skill.cpp
index c4f8737b..5cf8c51f 100644
--- a/src/gui/skill.cpp
+++ b/src/gui/skill.cpp
@@ -45,6 +45,11 @@ struct SkillInfo {
     bool modifiable;
 };
 
+static const SkillInfo fakeSkillInfo = {
+    _("Mystery Skill"),
+    false
+};
+
 std::vector<SkillInfo> skill_db;
 
 static void initSkillinfo();
@@ -80,11 +85,6 @@ public:
 
     virtual void update()
     {
-        static const SkillInfo fakeSkillInfo = {
-            _("Mystery Skill"),
-            false
-        };
-
         mEntriesNr = mDialog->getSkills().size();
         resize();
 
@@ -174,10 +174,18 @@ void SkillDialog::action(const gcn::ActionEvent &event)
         if (selectedSkill >= 0)
             player_node->raiseSkill(mSkillList[selectedSkill]->id);
     }
-    else if (event.getId() == "skill")
+    else if (event.getId() == "skill" && mTable->getSelectedRow() > -1)
     {
-        mIncButton->setEnabled(mTable->getSelectedRow() > -1 &&
-                               player_node->mSkillPoint > 0);
+        SKILL *skill = mSkillList[mTable->getSelectedRow()];
+        SkillInfo const *info;
+
+        if (skill->id >= 0 && (unsigned int) skill->id < skill_db.size())
+            info = &skill_db[skill->id];
+        else
+            info = &fakeSkillInfo;
+
+        mIncButton->setEnabled(player_node->mSkillPoint > 0 &&
+                               info->modifiable);
     }
     else if (event.getId() == "close")
         setVisible(false);