From 3a9f3469e65e1c45a8cdf9c6ae21e73c90b87d22 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Thu, 3 Jul 2014 17:28:10 +0300
Subject: In inventory disable use button if selected item unusable.

---
 src/gui/windows/inventorywindow.cpp | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

(limited to 'src/gui/windows/inventorywindow.cpp')

diff --git a/src/gui/windows/inventorywindow.cpp b/src/gui/windows/inventorywindow.cpp
index ee9641927..5a29d5de0 100644
--- a/src/gui/windows/inventorywindow.cpp
+++ b/src/gui/windows/inventorywindow.cpp
@@ -630,21 +630,29 @@ void InventoryWindow::updateButtons(const Item *item)
     if (!item || item->getQuantity() == 0)
     {
         if (mUseButton)
-            mUseButton->setEnabled(true);
+            mUseButton->setEnabled(false);
         if (mDropButton)
-            mDropButton->setEnabled(true);
+            mDropButton->setEnabled(false);
         return;
     }
 
-    if (mUseButton)
-        mUseButton->setEnabled(true);
     if (mDropButton)
         mDropButton->setEnabled(true);
 
     if (mUseButton)
     {
         const ItemInfo &info = item->getInfo();
-        mUseButton->setCaption(info.getUseButton());
+        const std::string &str = info.getUseButton();
+        if (str.empty())
+        {
+            mUseButton->setEnabled(false);
+            mUseButton->setCaption(_("Use"));
+        }
+        else
+        {
+            mUseButton->setEnabled(true);
+            mUseButton->setCaption(str);
+        }
     }
 
     updateDropButton();
-- 
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