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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: radiobut.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10
11 #ifdef __GNUG__
12 #pragma implementation "radiobut.h"
13 #endif
14
15 #include "wx/radiobut.h"
16
17 //-----------------------------------------------------------------------------
18 // data
19 //-----------------------------------------------------------------------------
20
21 extern bool g_blockEventsOnDrag;
22
23 //-----------------------------------------------------------------------------
24 // "clicked"
25 //-----------------------------------------------------------------------------
26
27 static
28 void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioButton *rb )
29 {
30 if (!rb->HasVMT()) return;
31
32 if (rb->m_blockFirstEvent)
33 {
34 rb->m_blockFirstEvent = FALSE;
35 return;
36 }
37
38 if (g_blockEventsOnDrag) return;
39
40 wxCommandEvent event( wxEVT_COMMAND_RADIOBUTTON_SELECTED, rb->GetId());
41 event.SetInt( rb->GetValue() );
42 event.SetEventObject( rb );
43 rb->GetEventHandler()->ProcessEvent( event );
44 }
45
46 //-----------------------------------------------------------------------------
47 // wxRadioButton
48 //-----------------------------------------------------------------------------
49
50 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton,wxControl)
51
52 bool wxRadioButton::Create( wxWindow *parent, wxWindowID id, const wxString& label,
53 const wxPoint& pos, const wxSize& size, long style,
54 const wxValidator& validator, const wxString& name )
55 {
56 m_needParent = TRUE;
57
58 wxSize newSize = size;
59
60 PreCreation( parent, id, pos, newSize, style, name );
61
62 SetValidator( validator );
63
64 m_widget = gtk_radio_button_new_with_label( (GSList *) NULL, label );
65
66 m_theOtherRadioButtton =
67 gtk_radio_button_new_with_label(
68 gtk_radio_button_group( GTK_RADIO_BUTTON(m_widget) ),
69 "button2" );
70
71 SetLabel(label);
72
73 m_blockFirstEvent = FALSE;
74
75 if (newSize.x == -1) newSize.x = 22+gdk_string_measure( m_widget->style->font, label );
76 if (newSize.y == -1) newSize.y = 26;
77 SetSize( newSize.x, newSize.y );
78
79 gtk_signal_connect( GTK_OBJECT(m_widget), "clicked",
80 GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
81
82 m_parent->AddChild( this );
83
84 (m_parent->m_insertCallback)( m_parent, this );
85
86 PostCreation();
87
88 SetBackgroundColour( parent->GetBackgroundColour() );
89 SetForegroundColour( parent->GetForegroundColour() );
90
91 Show( TRUE );
92
93 return TRUE;
94 }
95
96 void wxRadioButton::SetLabel( const wxString& label )
97 {
98 wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
99
100 wxControl::SetLabel( label );
101 GtkButton *bin = GTK_BUTTON( m_widget );
102 GtkLabel *g_label = GTK_LABEL( bin->child );
103 gtk_label_set( g_label, GetLabel() );
104 }
105
106 void wxRadioButton::SetValue( bool val )
107 {
108 wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
109
110 m_blockFirstEvent = TRUE;
111
112 if (val)
113 gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), TRUE );
114 else
115 gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_theOtherRadioButtton), TRUE );
116 }
117
118 bool wxRadioButton::GetValue(void) const
119 {
120 wxCHECK_MSG( m_widget != NULL, FALSE, "invalid radiobutton" );
121
122 return GTK_TOGGLE_BUTTON(m_widget)->active;
123 }
124
125 void wxRadioButton::Enable( bool enable )
126 {
127 wxCHECK_RET( m_widget != NULL, "invalid radiobutton" );
128
129 wxControl::Enable( enable );
130
131 gtk_widget_set_sensitive( GTK_BUTTON(m_widget)->child, enable );
132 }
133
134 void wxRadioButton::ApplyWidgetStyle()
135 {
136 SetWidgetStyle();
137 gtk_widget_set_style( m_widget, m_widgetStyle );
138 gtk_widget_set_style( GTK_BUTTON(m_widget)->child, m_widgetStyle );
139 }
140
141