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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 | ||
22 | extern void wxapp_install_idle_handler(); | |
23 | extern bool g_isIdle; | |
24 | ||
25 | //----------------------------------------------------------------------------- | |
26 | // data | |
27 | //----------------------------------------------------------------------------- | |
28 | ||
29 | extern bool g_blockEventsOnDrag; | |
30 | extern wxCursor g_globalCursor; | |
31 | extern wxWindowGTK *g_delayedFocus; | |
32 | ||
33 | //----------------------------------------------------------------------------- | |
34 | // "clicked" | |
35 | //----------------------------------------------------------------------------- | |
36 | ||
37 | extern "C" { | |
38 | static 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 | ||
60 | wxCheckBox::wxCheckBox() | |
61 | { | |
62 | } | |
63 | ||
64 | bool 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 | ||
122 | void 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 | ||
136 | bool 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 | ||
143 | void 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 | ||
150 | bool 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 | ||
160 | void wxCheckBox::DoApplyWidgetStyle(GtkRcStyle *style) | |
161 | { | |
162 | gtk_widget_modify_style(m_widgetCheckbox, style); | |
163 | gtk_widget_modify_style(m_widgetLabel, style); | |
164 | } | |
165 | ||
166 | bool wxCheckBox::IsOwnGtkWindow( GdkWindow *window ) | |
167 | { | |
168 | return window == TOGGLE_BUTTON_EVENT_WIN(m_widget); | |
169 | } | |
170 | ||
171 | void 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 | ||
200 | wxSize wxCheckBox::DoGetBestSize() const | |
201 | { | |
202 | return wxControl::DoGetBestSize(); | |
203 | } | |
204 | ||
205 | // static | |
206 | wxVisualAttributes | |
207 | wxCheckBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
208 | { | |
209 | return GetDefaultAttributesFromGTKWidget(gtk_check_button_new); | |
210 | } | |
211 | ||
212 | #endif |