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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/motif/radiobut.cpp | |
3 | // Purpose: wxRadioButton | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 17/09/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // For compilers that support precompilation, includes "wx.h". | |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #ifdef __VMS | |
16 | #define XtDisplay XTDISPLAY | |
17 | #endif | |
18 | ||
19 | #include "wx/radiobut.h" | |
20 | ||
21 | #ifndef WX_PRECOMP | |
22 | #include "wx/utils.h" | |
23 | #endif | |
24 | ||
25 | #ifdef __VMS__ | |
26 | #pragma message disable nosimpint | |
27 | #endif | |
28 | #include <Xm/ToggleB.h> | |
29 | #include <Xm/ToggleBG.h> | |
30 | #ifdef __VMS__ | |
31 | #pragma message enable nosimpint | |
32 | #endif | |
33 | ||
34 | #include "wx/motif/private.h" | |
35 | ||
36 | void wxRadioButtonCallback (Widget w, XtPointer clientData, | |
37 | XmToggleButtonCallbackStruct * cbs); | |
38 | ||
39 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) | |
40 | ||
41 | wxRadioButton::wxRadioButton() | |
42 | { | |
43 | } | |
44 | ||
45 | bool wxRadioButton::Create(wxWindow *parent, wxWindowID id, | |
46 | const wxString& label, | |
47 | const wxPoint& pos, | |
48 | const wxSize& size, long style, | |
49 | const wxValidator& validator, | |
50 | const wxString& name) | |
51 | { | |
52 | if( !CreateControl( parent, id, pos, size, style, validator, name ) ) | |
53 | return false; | |
54 | ||
55 | Widget parentWidget = (Widget) parent->GetClientWidget(); | |
56 | Display* dpy = XtDisplay(parentWidget); | |
57 | ||
58 | wxString label1(GetLabelText(label)); | |
59 | ||
60 | wxXmString text( label1 ); | |
61 | ||
62 | Widget radioButtonWidget = XtVaCreateManagedWidget ("toggle", | |
63 | #if wxUSE_GADGETS | |
64 | xmToggleButtonGadgetClass, parentWidget, | |
65 | #else | |
66 | xmToggleButtonWidgetClass, parentWidget, | |
67 | #endif | |
68 | wxFont::GetFontTag(), m_font.GetFontTypeC(dpy), | |
69 | XmNlabelString, text(), | |
70 | XmNfillOnSelect, True, | |
71 | XmNindicatorType, XmONE_OF_MANY, // diamond-shape | |
72 | NULL); | |
73 | ||
74 | XtAddCallback (radioButtonWidget, | |
75 | XmNvalueChangedCallback, | |
76 | (XtCallbackProc)wxRadioButtonCallback, | |
77 | (XtPointer)this); | |
78 | ||
79 | m_mainWidget = (WXWidget) radioButtonWidget; | |
80 | ||
81 | XtManageChild (radioButtonWidget); | |
82 | ||
83 | AttachWidget (parent, m_mainWidget, (WXWidget) NULL, | |
84 | pos.x, pos.y, size.x, size.y); | |
85 | ||
86 | ChangeBackgroundColour(); | |
87 | ||
88 | //copied from mac/radiobut.cpp (from here till "return true;") | |
89 | m_cycle = this ; | |
90 | ||
91 | if (HasFlag(wxRB_GROUP)) | |
92 | { | |
93 | AddInCycle( NULL ) ; | |
94 | } | |
95 | else | |
96 | { | |
97 | /* search backward for last group start */ | |
98 | wxRadioButton *chief = (wxRadioButton*) NULL; | |
99 | wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast(); | |
100 | while (node) | |
101 | { | |
102 | wxWindow *child = node->GetData(); | |
103 | if (child->IsKindOf( CLASSINFO( wxRadioButton ) ) ) | |
104 | { | |
105 | chief = (wxRadioButton*) child; | |
106 | if (child->HasFlag(wxRB_GROUP)) break; | |
107 | } | |
108 | node = node->GetPrevious(); | |
109 | } | |
110 | AddInCycle( chief ) ; | |
111 | } | |
112 | return true; | |
113 | } | |
114 | ||
115 | void wxRadioButton::SetValue(bool value) | |
116 | { | |
117 | if (GetValue() == value) | |
118 | return; | |
119 | ||
120 | m_inSetValue = true; | |
121 | XmToggleButtonSetState ((Widget) m_mainWidget, (Boolean) value, False); | |
122 | m_inSetValue = false; | |
123 | ||
124 | ClearSelections(); | |
125 | } | |
126 | ||
127 | // Get single selection, for single choice list items | |
128 | bool wxRadioButton::GetValue() const | |
129 | { | |
130 | return (XmToggleButtonGetState ((Widget) m_mainWidget) != 0); | |
131 | } | |
132 | ||
133 | void wxRadioButton::Command (wxCommandEvent & event) | |
134 | { | |
135 | SetValue ( (event.GetInt() != 0) ); | |
136 | ProcessCommand (event); | |
137 | } | |
138 | ||
139 | void wxRadioButton::ChangeBackgroundColour() | |
140 | { | |
141 | wxWindow::ChangeBackgroundColour(); | |
142 | ||
143 | // What colour should this be? | |
144 | wxColour colour = *wxBLACK; | |
145 | WXPixel selectPixel = colour.AllocColour(XtDisplay((Widget)m_mainWidget)); | |
146 | ||
147 | XtVaSetValues ((Widget) GetMainWidget(), | |
148 | XmNselectColor, selectPixel, | |
149 | NULL); | |
150 | } | |
151 | ||
152 | void wxRadioButtonCallback (Widget WXUNUSED(w), XtPointer clientData, | |
153 | XmToggleButtonCallbackStruct * cbs) | |
154 | { | |
155 | if (!cbs->set) | |
156 | return; | |
157 | ||
158 | wxRadioButton *item = (wxRadioButton *) clientData; | |
159 | if (item->InSetValue()) | |
160 | return; | |
161 | ||
162 | //based on mac/radiobut.cpp | |
163 | wxRadioButton* old = item->ClearSelections(); | |
164 | item->SetValue(true); | |
165 | ||
166 | if ( old ) | |
167 | { | |
168 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, | |
169 | old->GetId() ); | |
170 | event.SetEventObject(old); | |
171 | event.SetInt( false ); | |
172 | old->ProcessCommand(event); | |
173 | } | |
174 | wxCommandEvent event2(wxEVT_COMMAND_RADIOBUTTON_SELECTED, item->GetId() ); | |
175 | event2.SetEventObject(item); | |
176 | event2.SetInt( true ); | |
177 | item->ProcessCommand(event2); | |
178 | } | |
179 | ||
180 | wxRadioButton* wxRadioButton::AddInCycle(wxRadioButton *cycle) | |
181 | { | |
182 | if (cycle == NULL) | |
183 | { | |
184 | m_cycle = this; | |
185 | } | |
186 | else | |
187 | { | |
188 | wxRadioButton* current = cycle; | |
189 | while ( current->m_cycle != cycle ) | |
190 | current = current->m_cycle; | |
191 | m_cycle = cycle; | |
192 | current->m_cycle = this; | |
193 | } | |
194 | ||
195 | return cycle; | |
196 | } | |
197 | ||
198 | wxRadioButton* wxRadioButton::ClearSelections() | |
199 | { | |
200 | wxRadioButton* cycle = NextInCycle(); | |
201 | wxRadioButton* old = 0; | |
202 | ||
203 | if (cycle) | |
204 | { | |
205 | while (cycle != this) | |
206 | { | |
207 | if ( cycle->GetValue() ) | |
208 | { | |
209 | old = cycle; | |
210 | cycle->SetValue(false); | |
211 | } | |
212 | cycle = cycle->NextInCycle(); | |
213 | } | |
214 | } | |
215 | ||
216 | return old; | |
217 | } | |
218 | ||
219 | void wxRadioButton::RemoveFromCycle() | |
220 | { | |
221 | wxRadioButton* curr = NextInCycle(); | |
222 | ||
223 | while( curr ) | |
224 | { | |
225 | if( curr->NextInCycle() == this ) | |
226 | { | |
227 | curr->m_cycle = this->m_cycle; | |
228 | return; | |
229 | } | |
230 | ||
231 | curr = curr->NextInCycle(); | |
232 | } | |
233 | } |