1 files changed, 100 insertions, 0 deletions
diff --git a/tdegtk/tdegtk-hooks.cpp b/tdegtk/tdegtk-hooks.cpp
new file mode 100644
index 0000000..dbb291f
--- /dev/null
+++ b/tdegtk/tdegtk-hooks.cpp
@@ -0,0 +1,100 @@
+/*
+* this file was largely taken from the oxygen gtk engine
+* Copyright (c) 2010 Hugo Pereira Da Costa <[email protected]>
+* Copyright (c) 2010 Ruslan Kabatsayev <[email protected]>
+*
+* This  library is free  software; you can  redistribute it and/or
+* modify it  under  the terms  of the  GNU Lesser  General  Public
+* License  as published  by the Free  Software  Foundation; either
+* version 2 of the License, or( at your option ) any later version.
+*
+* This library is distributed  in the hope that it will be useful,
+* but  WITHOUT ANY WARRANTY; without even  the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License  along  with  this library;  if not,  write to  the Free
+* Software Foundation, Inc., 51  Franklin St, Fifth Floor, Boston,
+* MA 02110-1301, USA.
+*/
+
+#include "tdegtk-hooks.h"
+#include "../config.h"
+
+#include <cassert>
+#include <iostream>
+
+    #if TDEGTK_DEBUG
+    static int counter( 0 );
+    #endif
+
+    //__________________________________________________________________
+    bool Hook::connect( const std::string& signal, GType typeId, GSignalEmissionHook hookFunction, gpointer data )
+    {
+        // make sure that signal is not already connected
+        assert( _signalId == 0 && _hookId == 0 );
+
+        // check type id
+        if( !g_type_class_peek( typeId ) )
+        {
+
+            #if TDEGTK_DEBUG
+            std::cerr << "Oxygen::Hook::connect - typeId " << g_type_name(typeId) << " not yet installed" << std::endl;
+            #endif
+
+            g_type_class_ref( typeId );
+
+        }
+
+        // store signal id
+        _signalId = g_signal_lookup( signal.c_str(), typeId );
+        if( !_signalId )
+        {
+
+            #if TDEGTK_DEBUG
+            std::cerr << "Oxygen::Hook::connect - signal " << signal << " not installed." << std::endl;
+            #endif
+
+            return false;
+
+        }
+
+        // store attributes and create connection
+        _hookId = g_signal_add_emission_hook(
+            _signalId,
+            (GQuark)0L,
+            hookFunction,
+            data, 0L);
+
+        #if TDEGTK_DEBUG
+        ++counter;
+        std::cerr << "Oxygen::Hook::connect - hook: " << _hookId << " counter: " << counter << std::endl;
+        #endif
+
+        return true;
+
+    }
+
+    //____________________________________________________________________
+    void Hook::disconnect( void )
+    {
+
+        // disconnect signal
+        if( _signalId > 0 && _hookId > 0 )
+        {
+
+            #if TDEGTK_DEBUG
+            --counter;
+            std::cerr << "Oxygen::Hook::disconnect - hook: " << _hookId << " counter: " << counter << std::endl;
+            #endif
+
+            g_signal_remove_emission_hook( _signalId, _hookId );
+
+        }
+
+        _signalId = 0;
+        _hookId = 0;
+
+    }
+