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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/gtk1/checkbox.cpp
3// Purpose:
4// Author: Robert Roebling
5// Copyright: (c) 1998 Robert Roebling
6// Licence: wxWindows licence
7/////////////////////////////////////////////////////////////////////////////
8
9// For compilers that support precompilation, includes "wx.h".
10#include "wx/wxprec.h"
11
12#if wxUSE_CHECKBOX
13
14#include "wx/checkbox.h"
15
16#include "wx/gtk1/private.h"
17
18//-----------------------------------------------------------------------------
19// idle system
20//-----------------------------------------------------------------------------
21
22extern void wxapp_install_idle_handler();
23extern bool g_isIdle;
24
25//-----------------------------------------------------------------------------
26// data
27//-----------------------------------------------------------------------------
28
29extern bool g_blockEventsOnDrag;
30extern wxCursor g_globalCursor;
31extern wxWindowGTK *g_delayedFocus;
32
33//-----------------------------------------------------------------------------
34// "clicked"
35//-----------------------------------------------------------------------------
36
37extern "C" {
38static void gtk_checkbox_toggled_callback(GtkWidget *WXUNUSED(widget),
39 wxCheckBox *cb)
40{
41 if (g_isIdle) wxapp_install_idle_handler();
42
43 if (!cb->m_hasVMT) return;
44
45 if (g_blockEventsOnDrag) return;
46
47 if (cb->m_blockEvent) return;
48
49 wxCommandEvent event(wxEVT_CHECKBOX, cb->GetId());
50 event.SetInt(cb->GetValue());
51 event.SetEventObject(cb);
52 cb->HandleWindowEvent(event);
53}
54}
55
56//-----------------------------------------------------------------------------
57// wxCheckBox
58//-----------------------------------------------------------------------------
59
60wxCheckBox::wxCheckBox()
61{
62}
63
64bool wxCheckBox::Create(wxWindow *parent,
65 wxWindowID id,
66 const wxString &label,
67 const wxPoint &pos,
68 const wxSize &size,
69 long style,
70 const wxValidator& validator,
71 const wxString &name )
72{
73 m_needParent = true;
74 m_acceptsFocus = true;
75 m_blockEvent = false;
76
77 WXValidateStyle(&style);
78 if (!PreCreation( parent, pos, size ) ||
79 !CreateBase( parent, id, pos, size, style, validator, name ))
80 {
81 wxFAIL_MSG( wxT("wxCheckBox creation failed") );
82 return false;
83 }
84
85 if ( style & wxALIGN_RIGHT )
86 {
87 // VZ: as I don't know a way to create a right aligned checkbox with
88 // GTK we will create a checkbox without label and a label at the
89 // left of it
90 m_widgetCheckbox = gtk_check_button_new();
91
92 m_widgetLabel = gtk_label_new("");
93 gtk_misc_set_alignment(GTK_MISC(m_widgetLabel), 0.0, 0.5);
94
95 m_widget = gtk_hbox_new(FALSE, 0);
96 gtk_box_pack_start(GTK_BOX(m_widget), m_widgetLabel, FALSE, FALSE, 3);
97 gtk_box_pack_start(GTK_BOX(m_widget), m_widgetCheckbox, FALSE, FALSE, 3);
98
99 gtk_widget_show( m_widgetLabel );
100 gtk_widget_show( m_widgetCheckbox );
101 }
102 else
103 {
104 m_widgetCheckbox = gtk_check_button_new_with_label("");
105 m_widgetLabel = BUTTON_CHILD( m_widgetCheckbox );
106 m_widget = m_widgetCheckbox;
107 }
108 SetLabel( label );
109
110 gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox),
111 "toggled",
112 GTK_SIGNAL_FUNC(gtk_checkbox_toggled_callback),
113 (gpointer *)this );
114
115 m_parent->DoAddChild( this );
116
117 PostCreation(size);
118
119 return true;
120}
121
122void wxCheckBox::SetValue( bool state )
123{
124 wxCHECK_RET( m_widgetCheckbox != NULL, wxT("invalid checkbox") );
125
126 if (state == GetValue())
127 return;
128
129 m_blockEvent = true;
130
131 gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state );
132
133 m_blockEvent = false;
134}
135
136bool wxCheckBox::GetValue() const
137{
138 wxCHECK_MSG( m_widgetCheckbox != NULL, false, wxT("invalid checkbox") );
139
140 return GTK_TOGGLE_BUTTON(m_widgetCheckbox)->active;
141}
142
143void wxCheckBox::SetLabel( const wxString& label )
144{
145 wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") );
146
147 GTKSetLabelForLabel(GTK_LABEL(m_widgetLabel), label);
148}
149
150bool wxCheckBox::Enable( bool enable )
151{
152 if ( !wxControl::Enable( enable ) )
153 return false;
154
155 gtk_widget_set_sensitive( m_widgetLabel, enable );
156
157 return true;
158}
159
160void wxCheckBox::DoApplyWidgetStyle(GtkRcStyle *style)
161{
162 gtk_widget_modify_style(m_widgetCheckbox, style);
163 gtk_widget_modify_style(m_widgetLabel, style);
164}
165
166bool wxCheckBox::IsOwnGtkWindow( GdkWindow *window )
167{
168 return window == TOGGLE_BUTTON_EVENT_WIN(m_widget);
169}
170
171void wxCheckBox::OnInternalIdle()
172{
173 wxCursor cursor = m_cursor;
174 if (g_globalCursor.IsOk()) cursor = g_globalCursor;
175
176 GdkWindow *event_window = TOGGLE_BUTTON_EVENT_WIN(m_widgetCheckbox);
177 if ( event_window && cursor.IsOk() )
178 {
179 /* I now set the cursor the anew in every OnInternalIdle call
180 as setting the cursor in a parent window also effects the
181 windows above so that checking for the current cursor is
182 not possible. */
183
184 gdk_window_set_cursor( event_window, cursor.GetCursor() );
185 }
186
187 if (g_delayedFocus == this)
188 {
189 if (GTK_WIDGET_REALIZED(m_widget))
190 {
191 gtk_widget_grab_focus( m_widget );
192 g_delayedFocus = NULL;
193 }
194 }
195
196 if (wxUpdateUIEvent::CanUpdate(this))
197 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
198}
199
200wxSize wxCheckBox::DoGetBestSize() const
201{
202 return wxControl::DoGetBestSize();
203}
204
205// static
206wxVisualAttributes
207wxCheckBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
208{
209 return GetDefaultAttributesFromGTKWidget(gtk_check_button_new);
210}
211
212#endif