added menu to display missing helpers

src/qtgui/rclmain.ui

@@ -118,6 +118,7 @@
         <action name="fileToggleIndexingAction"/>
         <separator/>
         <action name="fileEraseDocHistoryAction"/>
+        <action name="showMissingHelpers_Action"/>
         <separator/>
         <action name="fileExitAction"/>
     </item>
@@ -137,6 +138,7 @@
     <separator/>
     <item text="&amp;Help" name="helpMenu">
         <action name="userManualAction"/>
+        <action name="showMissingHelpers_Action"/>
         <separator/>
         <action name="helpAbout_RecollAction"/>
     </item>
@@ -227,6 +229,14 @@
             <string>&amp;Erase document history</string>
         </property>
     </action>
+    <action>
+        <property name="name">
+            <cstring>showMissingHelpers_Action</cstring>
+        </property>
+        <property name="menuText">
+            <string>&amp;Show missing helpers</string>
+        </property>
+    </action>
     <action>
         <property name="name">
             <cstring>helpAbout_RecollAction</cstring>

src/qtgui/rclmain_w.cpp

@@ -1,5 +1,5 @@
 #ifndef lint
-static char rcsid[] = "@(#$Id: rclmain_w.cpp,v 1.55 2008-09-30 12:38:29 dockes Exp $ (C) 2005 J.F.Dockes";
+static char rcsid[] = "@(#$Id: rclmain_w.cpp,v 1.56 2008-10-08 16:15:22 dockes Exp $ (C) 2005 J.F.Dockes";
 #endif
 /*
  *   This program is free software; you can redistribute it and/or modify
@@ -209,6 +209,8 @@ void RclMain::init()
 	    this, SLOT(eraseDocHistory()));
     connect(helpAbout_RecollAction, SIGNAL(activated()), 
 	    this, SLOT(showAboutDialog()));
+    connect(showMissingHelpers_Action, SIGNAL(activated()), 
+	    this, SLOT(showMissingHelpers()));
     connect(userManualAction, SIGNAL(activated()), this, SLOT(startManual()));
     connect(toolsDoc_HistoryAction, SIGNAL(activated()), 
 	    this, SLOT(showDocHistory()));
@@ -579,6 +581,18 @@ void RclMain::showAboutDialog()
 	"<br>" + "http://www.recoll.org";
     QMessageBox::information(this, tr("About Recoll"), vstring.c_str());
 }
+void RclMain::showMissingHelpers()
+{
+    string miss = rclconfig->getMissingHelperDesc();
+    QString msg = tr("External applications/commands needed and not found "
+		     "for indexing your file types:\n\n");
+    if (!miss.empty()) {
+	msg += QString::fromUtf8(miss.c_str());
+    } else {
+	msg += tr("No helpers found missing");
+    }
+    QMessageBox::information(this, tr("Missing helper programs"), msg);
+}
 
 // If a preview (toplevel) window gets closed by the user, we need to
 // clean up because there is no way to reopen it. And check the case

src/qtgui/rclmain_w.h

@@ -82,6 +82,7 @@ public slots:
     virtual void showSortDialog();
     virtual void showSpellDialog();
     virtual void showAboutDialog();
+    virtual void showMissingHelpers();
     virtual void startManual();
     virtual void showDocHistory();
     virtual void showExtIdxDialog();