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