From bdb91e85ec76da0019044c0f9166be5979df41d6 Mon Sep 17 00:00:00 2001
From: David Faure <faure@kde.org>
Date: Tue, 18 Dec 2007 15:08:59 +0000
Subject: [PATCH] Disable the action that launches kompare if kompare is not
 installed.

svn path=/trunk/KDE/kdebase/apps/; revision=750038
---
 src/dolphinmainwindow.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/dolphinmainwindow.cpp b/src/dolphinmainwindow.cpp
index ea240ba83c..acd1282a2a 100644
--- a/src/dolphinmainwindow.cpp
+++ b/src/dolphinmainwindow.cpp
@@ -321,7 +321,12 @@ void DolphinMainWindow::slotSelectionChanged(const KFileItemList& selection)
     }
 
     QAction* compareFilesAction = actionCollection()->action("compare_files");
-    compareFilesAction->setEnabled(selectedUrlsCount == 2);
+    if (selectedUrlsCount == 2) {
+        const bool kompareInstalled = !KGlobal::dirs()->findExe("kompare").isEmpty();
+        compareFilesAction->setEnabled(selectedUrlsCount == 2 && kompareInstalled);
+    } else {
+        compareFilesAction->setEnabled(false);
+    }
 
     m_activeViewContainer->updateStatusBar();