1 /*
2 * oxygenwidgetexplorer.h
3 * printout widget information on button press, for debugging
4 * -------------------
5 *
6 * Copyright (c) 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
7 *
8 * Largely inspired from Qtcurve style
9 * Copyright (C) Craig Drummond, 2003 - 2010 craig.p.drummond@gmail.com
10 *
11 * This  library is free  software; you can  redistribute it and/or
12 * modify it  under  the terms  of the  GNU Lesser  General  Public
13 * License  as published  by the Free  Software  Foundation; either
14 * version 2 of the License, or( at your option ) any later version.
15 *
16 * This library is distributed  in the hope that it will be useful,
17 * but  WITHOUT ANY WARRANTY; without even  the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License  along  with  this library;  if not,  write to  the Free
23 * Software Foundation, Inc., 51  Franklin St, Fifth Floor, Boston,
24 * MA 02110-1301, USA.
25 */
26 
27 #include "oxygenwidgetexplorer.h"
28 
29 #include "../oxygengtkutils.h"
30 #include "config.h"
31 
32 #include <iostream>
33 
34 namespace Oxygen
35 {
36     //___________________________________________________________
WidgetExplorer(void)37     WidgetExplorer::WidgetExplorer( void ):
38         _enabled( false ),
39         _hooksInitialized( false )
40     {
41 
42         #if OXYGEN_DEBUG
43         std::cerr << "Oxygen::WidgetExplorer::WidgetExplorer" << std::endl;
44         #endif
45 
46     }
47 
48 
49     //_________________________________________________
~WidgetExplorer(void)50     WidgetExplorer::~WidgetExplorer( void )
51     {
52 
53         #if OXYGEN_DEBUG
54         std::cerr << "Oxygen::WidgetExplorer::~WidgetExplorer" << std::endl;
55         #endif
56 
57         _buttonPressHook.disconnect();
58 
59     }
60 
61     //_________________________________________________
initializeHooks(void)62     void WidgetExplorer::initializeHooks( void )
63     {
64         if( _hooksInitialized ) return;
65 
66         _buttonPressHook.connect( "button-press-event", (GSignalEmissionHook)buttonPressHook, this );
67         _hooksInitialized = true;
68     }
69 
70     //_________________________________________________
setEnabled(bool value)71     void WidgetExplorer::setEnabled( bool value )
72     { _enabled = value; }
73 
74     //_________________________________________________________________
buttonPressHook(GSignalInvocationHint *,guint,const GValue * params,gpointer data)75     gboolean WidgetExplorer::buttonPressHook( GSignalInvocationHint*, guint, const GValue* params, gpointer data )
76     {
77 
78         // cast data to window manager
79         WidgetExplorer &explorer( *static_cast<WidgetExplorer*>(data) );
80         if( !explorer._enabled ) return TRUE;
81 
82         // get widget from params
83         GtkWidget* widget( GTK_WIDGET( g_value_get_object( params ) ) );
84         if( !GTK_IS_WIDGET( widget ) ) return TRUE;
85 
86         Gtk::gtk_widget_print_tree( widget );
87         return TRUE;
88 
89     }
90 
91 }
92