summaryrefslogtreecommitdiffstats
path: root/tdegtk/tdegtk-signals.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tdegtk/tdegtk-signals.cpp')
-rw-r--r--tdegtk/tdegtk-signals.cpp89
1 files changed, 89 insertions, 0 deletions
diff --git a/tdegtk/tdegtk-signals.cpp b/tdegtk/tdegtk-signals.cpp
new file mode 100644
index 0000000..131de88
--- /dev/null
+++ b/tdegtk/tdegtk-signals.cpp
@@ -0,0 +1,89 @@
+
+/*
+* this file was largely taken from the oxygen gtk engine
+* Copyright (c) 2010 Hugo Pereira Da Costa <[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-signals.h"
+#include "../config.h"
+
+#include <iostream>
+
+
+ #if OXYGEN_DEBUG
+ static int counter( 0 );
+ #endif
+
+ //____________________________________________________________________
+ bool Signal::connect( GObject* object, const std::string& signal, GCallback callback, gpointer data, bool after )
+ {
+ // make sure that signal is not already connected
+ assert( _object == 0L && _id == 0 );
+
+ // check object
+ if( !object ) return false;
+
+ // first try lookup signal
+ if( !g_signal_lookup( signal.c_str(), G_OBJECT_TYPE(object) ) )
+ {
+
+ #if OXYGEN_DEBUG
+ std::cerr << "Oxygen::Signal::connect - signal " << signal << " not installed on widget " << object << std::endl;
+ #endif
+
+ return false;
+
+ }
+
+ // store attributes and create connection
+ _object = object;
+ if(after) _id = g_signal_connect_after( object, signal.c_str(), callback, data );
+ else _id = g_signal_connect( object, signal.c_str(), callback, data );
+
+ #if OXYGEN_DEBUG
+ ++counter;
+ std::cerr << "Oxygen::Signal::connect - _id: " << _id << " counter: " << counter << std::endl;
+ #endif
+
+ return true;
+
+ }
+
+ //____________________________________________________________________
+ void Signal::disconnect( void )
+ {
+
+ // disconnect signal
+ if( _object && _id > 0 )
+ {
+
+ #if OXYGEN_DEBUG
+ --counter;
+ std::cerr << "Oxygen::Signal::disconnect - _id: " << _id << " counter: " << counter << std::endl;
+ #endif
+
+ g_signal_handler_disconnect( _object, _id );
+
+ }
+
+ // reset members
+ _object = 0L;
+ _id = 0;
+
+ }
+