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2bda0e17 | 1 | ///////////////////////////////////////////////////////////////////////////// |
1e6feb95 | 2 | // Name: msw/radiobut.cpp |
2bda0e17 KB |
3 | // Purpose: wxRadioButton |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
6c9a19aa | 8 | // Copyright: (c) Julian Smart |
65571936 | 9 | // Licence: wxWindows licence |
2bda0e17 KB |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
5f199b71 VZ |
12 | // ============================================================================ |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
14f355c2 | 20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
f607434a | 21 | #pragma implementation "radiobut.h" |
2bda0e17 KB |
22 | #endif |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
f607434a | 28 | #pragma hdrstop |
2bda0e17 KB |
29 | #endif |
30 | ||
1e6feb95 VZ |
31 | #if wxUSE_RADIOBTN |
32 | ||
2bda0e17 | 33 | #ifndef WX_PRECOMP |
f607434a VZ |
34 | #include "wx/radiobut.h" |
35 | #include "wx/settings.h" | |
36 | #include "wx/dcscreen.h" | |
2bda0e17 KB |
37 | #endif |
38 | ||
39 | #include "wx/msw/private.h" | |
40 | ||
5f199b71 VZ |
41 | // ============================================================================ |
42 | // wxRadioButton implementation | |
43 | // ============================================================================ | |
44 | ||
45 | // ---------------------------------------------------------------------------- | |
46 | // wxRadioButton creation | |
47 | // ---------------------------------------------------------------------------- | |
48 | ||
2bda0e17 | 49 | |
51741307 | 50 | #if wxUSE_EXTENDED_RTTI |
bc9fb572 JS |
51 | WX_DEFINE_FLAGS( wxRadioButtonStyle ) |
52 | ||
3ff066a4 | 53 | wxBEGIN_FLAGS( wxRadioButtonStyle ) |
bc9fb572 JS |
54 | // new style border flags, we put them first to |
55 | // use them for streaming out | |
3ff066a4 SC |
56 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) |
57 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) | |
58 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) | |
59 | wxFLAGS_MEMBER(wxBORDER_RAISED) | |
60 | wxFLAGS_MEMBER(wxBORDER_STATIC) | |
61 | wxFLAGS_MEMBER(wxBORDER_NONE) | |
4d08943e | 62 | |
bc9fb572 | 63 | // old style border flags |
3ff066a4 SC |
64 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) |
65 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) | |
66 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) | |
67 | wxFLAGS_MEMBER(wxRAISED_BORDER) | |
68 | wxFLAGS_MEMBER(wxSTATIC_BORDER) | |
cb0afb26 | 69 | wxFLAGS_MEMBER(wxBORDER) |
bc9fb572 JS |
70 | |
71 | // standard window styles | |
3ff066a4 SC |
72 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) |
73 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) | |
74 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) | |
75 | wxFLAGS_MEMBER(wxWANTS_CHARS) | |
cb0afb26 | 76 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) |
3ff066a4 SC |
77 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) |
78 | wxFLAGS_MEMBER(wxVSCROLL) | |
79 | wxFLAGS_MEMBER(wxHSCROLL) | |
bc9fb572 | 80 | |
3ff066a4 | 81 | wxFLAGS_MEMBER(wxRB_GROUP) |
bc9fb572 | 82 | |
3ff066a4 | 83 | wxEND_FLAGS( wxRadioButtonStyle ) |
bc9fb572 | 84 | |
51741307 SC |
85 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxRadioButton, wxControl,"wx/radiobut.h") |
86 | ||
3ff066a4 | 87 | wxBEGIN_PROPERTIES_TABLE(wxRadioButton) |
f607434a | 88 | wxEVENT_PROPERTY( Click , wxEVT_COMMAND_RADIOBUTTON_SELECTED , wxCommandEvent ) |
af498247 | 89 | wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
f607434a | 90 | wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) |
af498247 VZ |
91 | wxPROPERTY( Value ,bool, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) |
92 | wxPROPERTY_FLAGS( WindowStyle , wxRadioButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style | |
3ff066a4 | 93 | wxEND_PROPERTIES_TABLE() |
51741307 | 94 | |
3ff066a4 SC |
95 | wxBEGIN_HANDLERS_TABLE(wxRadioButton) |
96 | wxEND_HANDLERS_TABLE() | |
51741307 | 97 | |
4d08943e | 98 | wxCONSTRUCTOR_6( wxRadioButton , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) |
51741307 SC |
99 | |
100 | #else | |
101 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) | |
102 | #endif | |
066f1b7a | 103 | |
066f1b7a | 104 | |
5f199b71 | 105 | void wxRadioButton::Init() |
621793f4 | 106 | { |
f607434a | 107 | m_isChecked = false; |
621793f4 JS |
108 | } |
109 | ||
5f199b71 VZ |
110 | bool wxRadioButton::Create(wxWindow *parent, |
111 | wxWindowID id, | |
112 | const wxString& label, | |
113 | const wxPoint& pos, | |
114 | const wxSize& size, | |
115 | long style, | |
116 | const wxValidator& validator, | |
117 | const wxString& name) | |
2bda0e17 | 118 | { |
5f199b71 | 119 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) |
f607434a | 120 | return false; |
2bda0e17 | 121 | |
2b5f62a0 VZ |
122 | long msStyle = WS_TABSTOP; |
123 | if ( HasFlag(wxRB_GROUP) ) | |
124 | msStyle |= WS_GROUP; | |
125 | ||
126 | /* | |
127 | wxRB_SINGLE is a temporary workaround for the following problem: if you | |
128 | have 2 radiobuttons in the same group but which are not consecutive in | |
129 | the dialog, Windows can enter an infinite loop! The simplest way to | |
130 | reproduce it is to create radio button, then a panel and then another | |
131 | radio button: then checking the last button hangs the app. | |
2bda0e17 | 132 | |
2b5f62a0 VZ |
133 | Ideally, we'd detect (and avoid) such situation automatically but for |
134 | now, as I don't know how to do it, just allow the user to create | |
135 | BS_RADIOBUTTON buttons for such situations. | |
136 | */ | |
137 | msStyle |= HasFlag(wxRB_SINGLE) ? BS_RADIOBUTTON : BS_AUTORADIOBUTTON; | |
2bda0e17 | 138 | |
5f199b71 | 139 | if ( HasFlag(wxCLIP_SIBLINGS) ) |
b0766406 | 140 | msStyle |= WS_CLIPSIBLINGS; |
93212fee VZ |
141 | if ( HasFlag(wxALIGN_RIGHT) ) |
142 | msStyle |= BS_LEFTTEXT | BS_RIGHT; | |
b0766406 | 143 | |
5f199b71 | 144 | if ( !MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, 0) ) |
f607434a | 145 | return false; |
b0766406 | 146 | |
5f199b71 VZ |
147 | // for compatibility with wxGTK, the first radio button in a group is |
148 | // always checked (this makes sense anyhow as you need to ensure that at | |
149 | // least one button in the group is checked and this is the simlpest way to | |
150 | // do it) | |
151 | if ( HasFlag(wxRB_GROUP) ) | |
f607434a | 152 | SetValue(true); |
c085e333 | 153 | |
f607434a | 154 | return true; |
2bda0e17 KB |
155 | } |
156 | ||
5f199b71 VZ |
157 | // ---------------------------------------------------------------------------- |
158 | // wxRadioButton functions | |
159 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 160 | |
5f199b71 | 161 | void wxRadioButton::SetValue(bool value) |
2bda0e17 | 162 | { |
3a5bcc4d | 163 | (void)::SendMessage(GetHwnd(), BM_SETCHECK, (value?BST_CHECKED:BST_UNCHECKED), 0L); |
2b5f62a0 | 164 | |
f607434a VZ |
165 | m_isChecked = value; |
166 | ||
2b5f62a0 VZ |
167 | // if we set the value of one radio button we also must clear all the other |
168 | // buttons in the same group: Windows doesn't do it automatically | |
f607434a | 169 | if ( m_isChecked ) |
2b5f62a0 VZ |
170 | { |
171 | const wxWindowList& siblings = GetParent()->GetChildren(); | |
222ed1d6 | 172 | wxWindowList::compatibility_iterator nodeThis = siblings.Find(this); |
2b5f62a0 VZ |
173 | wxCHECK_RET( nodeThis, _T("radio button not a child of its parent?") ); |
174 | ||
2b17e391 VZ |
175 | // if it's not the first item of the group ... |
176 | if ( !HasFlag(wxRB_GROUP) ) | |
2b5f62a0 | 177 | { |
2b17e391 | 178 | // ... turn off all radio buttons before it |
222ed1d6 | 179 | for ( wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious(); |
2b17e391 VZ |
180 | nodeBefore; |
181 | nodeBefore = nodeBefore->GetPrevious() ) | |
2b5f62a0 | 182 | { |
2b17e391 VZ |
183 | wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(), |
184 | wxRadioButton); | |
c5b3143a | 185 | if ( btn && btn->HasFlag(wxRB_SINGLE) ) |
2b17e391 | 186 | { |
c5b3143a | 187 | // A wxRB_SINGLE button isn't part of this group |
2b17e391 VZ |
188 | break; |
189 | } | |
c5b3143a JS |
190 | |
191 | if (btn) | |
2b17e391 | 192 | { |
c5b3143a JS |
193 | btn->SetValue(false); |
194 | ||
195 | if ( btn->HasFlag(wxRB_GROUP) ) | |
196 | { | |
197 | // even if there are other radio buttons before this one, | |
198 | // they're not in the same group with us | |
199 | break; | |
200 | } | |
2b17e391 | 201 | } |
2b5f62a0 VZ |
202 | } |
203 | } | |
204 | ||
2b17e391 | 205 | // ... and also turn off all buttons after this one |
222ed1d6 | 206 | for ( wxWindowList::compatibility_iterator nodeAfter = nodeThis->GetNext(); |
2b5f62a0 VZ |
207 | nodeAfter; |
208 | nodeAfter = nodeAfter->GetNext() ) | |
209 | { | |
210 | wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(), | |
211 | wxRadioButton); | |
212 | ||
c5b3143a | 213 | if ( btn && (btn->HasFlag(wxRB_GROUP) || btn->HasFlag(wxRB_SINGLE) ) ) |
2b5f62a0 VZ |
214 | { |
215 | // no more buttons or the first button of the next group | |
216 | break; | |
217 | } | |
218 | ||
c5b3143a JS |
219 | if (btn) |
220 | btn->SetValue(false); | |
2b5f62a0 VZ |
221 | } |
222 | } | |
2bda0e17 KB |
223 | } |
224 | ||
5f199b71 | 225 | bool wxRadioButton::GetValue() const |
2bda0e17 | 226 | { |
f607434a VZ |
227 | wxASSERT_MSG( m_isChecked == |
228 | (::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0L) != 0), | |
229 | _T("wxRadioButton::m_isChecked is out of sync?") ); | |
230 | ||
231 | return m_isChecked; | |
2bda0e17 KB |
232 | } |
233 | ||
5f199b71 VZ |
234 | // ---------------------------------------------------------------------------- |
235 | // wxRadioButton event processing | |
236 | // ---------------------------------------------------------------------------- | |
237 | ||
238 | void wxRadioButton::Command (wxCommandEvent& event) | |
2bda0e17 | 239 | { |
687706f5 | 240 | SetValue(event.GetInt() != 0); |
5f199b71 | 241 | ProcessCommand(event); |
2bda0e17 KB |
242 | } |
243 | ||
5f199b71 | 244 | bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) |
f6bcfd97 | 245 | { |
5f199b71 | 246 | if ( param != BN_CLICKED ) |
f607434a | 247 | return false; |
5f199b71 | 248 | |
f607434a | 249 | if ( !m_isChecked ) |
f6bcfd97 | 250 | { |
f607434a VZ |
251 | // we have to do this for BS_RADIOBUTTON anyhow and, strangely enough, |
252 | // sometimes this is needed even for BS_AUTORADIOBUTTON (when we | |
253 | // receive focus the button gets BN_CLICKED but stays unchecked!) | |
254 | SetValue(true); | |
2b5f62a0 | 255 | |
5f199b71 VZ |
256 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId()); |
257 | event.SetEventObject( this ); | |
f607434a | 258 | event.SetInt(true); // always checked |
f6bcfd97 | 259 | |
5f199b71 VZ |
260 | ProcessCommand(event); |
261 | } | |
f6bcfd97 | 262 | |
f607434a | 263 | return true; |
f6bcfd97 | 264 | } |
2bda0e17 | 265 | |
5f199b71 VZ |
266 | // ---------------------------------------------------------------------------- |
267 | // wxRadioButton geometry | |
268 | // ---------------------------------------------------------------------------- | |
269 | ||
270 | wxSize wxRadioButton::DoGetBestSize() const | |
2bda0e17 | 271 | { |
5f199b71 | 272 | static int s_radioSize = 0; |
2bda0e17 | 273 | |
5f199b71 VZ |
274 | if ( !s_radioSize ) |
275 | { | |
276 | wxScreenDC dc; | |
277 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
2bda0e17 | 278 | |
5f199b71 VZ |
279 | s_radioSize = dc.GetCharHeight(); |
280 | } | |
2bda0e17 | 281 | |
5f199b71 | 282 | wxString str = GetLabel(); |
2bda0e17 | 283 | |
5f199b71 VZ |
284 | int wRadio, hRadio; |
285 | if ( !str.empty() ) | |
286 | { | |
287 | GetTextExtent(str, &wRadio, &hRadio); | |
288 | wRadio += s_radioSize + GetCharWidth(); | |
2bda0e17 | 289 | |
5f199b71 VZ |
290 | if ( hRadio < s_radioSize ) |
291 | hRadio = s_radioSize; | |
292 | } | |
293 | else | |
294 | { | |
295 | wRadio = s_radioSize; | |
296 | hRadio = s_radioSize; | |
297 | } | |
2bda0e17 | 298 | |
5f199b71 | 299 | return wxSize(wRadio, hRadio); |
2bda0e17 KB |
300 | } |
301 | ||
1e6feb95 | 302 | #endif // wxUSE_RADIOBTN |
f607434a | 303 |