X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;f=src%2Fuisupport%2Fsettingspage.h;h=247efb1f6e353a48fcc2a96cac81192eca643f02;hb=d28b9ec38b6ea0bc473200fc2f1e65abd1b56bd6;hp=b85fa504a6b865f6209d64fa7101dcb7bf96e265;hpb=4bfbd8dcbcb398302aaad0b6707c561760d7a7ac;p=quassel.git

diff --git a/src/uisupport/settingspage.h b/src/uisupport/settingspage.h
index b85fa504..247efb1f 100644
--- a/src/uisupport/settingspage.h
+++ b/src/uisupport/settingspage.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-07 by the Quassel IRC Team                         *
+ *   Copyright (C) 2005-08 by the Quassel Project                          *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -32,16 +32,23 @@ class SettingsPage : public QWidget {
     virtual ~SettingsPage() {};
     virtual QString category() const;
     virtual QString title() const;
+    virtual bool hasDefaults() const;
 
-    virtual bool hasChanged() const = 0;
+    bool hasChanged() const;
+
+    //! Called immediately before save() is called.
+    /** Derived classes should return false if saving is not possible (e.g. the current settings are invalid).
+     *  \return false, if the SettingsPage cannot be saved in its current state.
+     */
+    virtual bool aboutToSave();
 
   public slots:
     virtual void save() = 0;
     virtual void load() = 0;
-    virtual void defaults() = 0;
+    virtual void defaults();
 
   protected slots:
-    //! Calling this slot is equivalent to emitting changed(true).
+    //! Calling this slot is equivalent to calling changeState(true).
     void changed();
 
   protected:
@@ -49,6 +56,7 @@ class SettingsPage : public QWidget {
     void changeState(bool hasChanged = true);
 
   signals:
+    //! Emitted whenever the widget state changes.
     void changed(bool hasChanged);
 
   private: