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2bda0e17 | 1 | ///////////////////////////////////////////////////////////////////////////// |
b0b5881a | 2 | // Name: src/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 | ||
2bda0e17 KB |
20 | // For compilers that support precompilation, includes "wx.h". |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifdef __BORLANDC__ | |
f607434a | 24 | #pragma hdrstop |
2bda0e17 KB |
25 | #endif |
26 | ||
1e6feb95 VZ |
27 | #if wxUSE_RADIOBTN |
28 | ||
b0b5881a WS |
29 | #include "wx/radiobut.h" |
30 | ||
2bda0e17 | 31 | #ifndef WX_PRECOMP |
f607434a VZ |
32 | #include "wx/settings.h" |
33 | #include "wx/dcscreen.h" | |
2bda0e17 KB |
34 | #endif |
35 | ||
36 | #include "wx/msw/private.h" | |
37 | ||
5f199b71 VZ |
38 | // ============================================================================ |
39 | // wxRadioButton implementation | |
40 | // ============================================================================ | |
41 | ||
42 | // ---------------------------------------------------------------------------- | |
43 | // wxRadioButton creation | |
44 | // ---------------------------------------------------------------------------- | |
45 | ||
2bda0e17 | 46 | |
51741307 | 47 | #if wxUSE_EXTENDED_RTTI |
bc9fb572 JS |
48 | WX_DEFINE_FLAGS( wxRadioButtonStyle ) |
49 | ||
3ff066a4 | 50 | wxBEGIN_FLAGS( wxRadioButtonStyle ) |
bc9fb572 JS |
51 | // new style border flags, we put them first to |
52 | // use them for streaming out | |
3ff066a4 SC |
53 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) |
54 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) | |
55 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) | |
56 | wxFLAGS_MEMBER(wxBORDER_RAISED) | |
57 | wxFLAGS_MEMBER(wxBORDER_STATIC) | |
58 | wxFLAGS_MEMBER(wxBORDER_NONE) | |
4d08943e | 59 | |
bc9fb572 | 60 | // old style border flags |
3ff066a4 SC |
61 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) |
62 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) | |
63 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) | |
64 | wxFLAGS_MEMBER(wxRAISED_BORDER) | |
65 | wxFLAGS_MEMBER(wxSTATIC_BORDER) | |
cb0afb26 | 66 | wxFLAGS_MEMBER(wxBORDER) |
bc9fb572 JS |
67 | |
68 | // standard window styles | |
3ff066a4 SC |
69 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) |
70 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) | |
71 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) | |
72 | wxFLAGS_MEMBER(wxWANTS_CHARS) | |
cb0afb26 | 73 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) |
3ff066a4 SC |
74 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) |
75 | wxFLAGS_MEMBER(wxVSCROLL) | |
76 | wxFLAGS_MEMBER(wxHSCROLL) | |
bc9fb572 | 77 | |
3ff066a4 | 78 | wxFLAGS_MEMBER(wxRB_GROUP) |
bc9fb572 | 79 | |
3ff066a4 | 80 | wxEND_FLAGS( wxRadioButtonStyle ) |
bc9fb572 | 81 | |
51741307 SC |
82 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxRadioButton, wxControl,"wx/radiobut.h") |
83 | ||
3ff066a4 | 84 | wxBEGIN_PROPERTIES_TABLE(wxRadioButton) |
f607434a | 85 | wxEVENT_PROPERTY( Click , wxEVT_COMMAND_RADIOBUTTON_SELECTED , wxCommandEvent ) |
af498247 | 86 | wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
f607434a | 87 | wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) |
af498247 VZ |
88 | wxPROPERTY( Value ,bool, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) |
89 | wxPROPERTY_FLAGS( WindowStyle , wxRadioButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style | |
3ff066a4 | 90 | wxEND_PROPERTIES_TABLE() |
51741307 | 91 | |
3ff066a4 SC |
92 | wxBEGIN_HANDLERS_TABLE(wxRadioButton) |
93 | wxEND_HANDLERS_TABLE() | |
51741307 | 94 | |
4d08943e | 95 | wxCONSTRUCTOR_6( wxRadioButton , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) |
51741307 SC |
96 | |
97 | #else | |
98 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) | |
99 | #endif | |
066f1b7a | 100 | |
066f1b7a | 101 | |
5f199b71 | 102 | void wxRadioButton::Init() |
621793f4 | 103 | { |
f607434a | 104 | m_isChecked = false; |
621793f4 JS |
105 | } |
106 | ||
5f199b71 VZ |
107 | bool wxRadioButton::Create(wxWindow *parent, |
108 | wxWindowID id, | |
109 | const wxString& label, | |
110 | const wxPoint& pos, | |
111 | const wxSize& size, | |
112 | long style, | |
113 | const wxValidator& validator, | |
114 | const wxString& name) | |
2bda0e17 | 115 | { |
5f199b71 | 116 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) |
f607434a | 117 | return false; |
2bda0e17 | 118 | |
2b5f62a0 VZ |
119 | long msStyle = WS_TABSTOP; |
120 | if ( HasFlag(wxRB_GROUP) ) | |
121 | msStyle |= WS_GROUP; | |
122 | ||
123 | /* | |
124 | wxRB_SINGLE is a temporary workaround for the following problem: if you | |
125 | have 2 radiobuttons in the same group but which are not consecutive in | |
126 | the dialog, Windows can enter an infinite loop! The simplest way to | |
127 | reproduce it is to create radio button, then a panel and then another | |
128 | radio button: then checking the last button hangs the app. | |
2bda0e17 | 129 | |
2b5f62a0 VZ |
130 | Ideally, we'd detect (and avoid) such situation automatically but for |
131 | now, as I don't know how to do it, just allow the user to create | |
132 | BS_RADIOBUTTON buttons for such situations. | |
133 | */ | |
134 | msStyle |= HasFlag(wxRB_SINGLE) ? BS_RADIOBUTTON : BS_AUTORADIOBUTTON; | |
2bda0e17 | 135 | |
5f199b71 | 136 | if ( HasFlag(wxCLIP_SIBLINGS) ) |
b0766406 | 137 | msStyle |= WS_CLIPSIBLINGS; |
93212fee VZ |
138 | if ( HasFlag(wxALIGN_RIGHT) ) |
139 | msStyle |= BS_LEFTTEXT | BS_RIGHT; | |
b0766406 | 140 | |
5f199b71 | 141 | if ( !MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, 0) ) |
f607434a | 142 | return false; |
b0766406 | 143 | |
5f199b71 VZ |
144 | // for compatibility with wxGTK, the first radio button in a group is |
145 | // always checked (this makes sense anyhow as you need to ensure that at | |
146 | // least one button in the group is checked and this is the simlpest way to | |
147 | // do it) | |
148 | if ( HasFlag(wxRB_GROUP) ) | |
f607434a | 149 | SetValue(true); |
c085e333 | 150 | |
f607434a | 151 | return true; |
2bda0e17 KB |
152 | } |
153 | ||
5f199b71 VZ |
154 | // ---------------------------------------------------------------------------- |
155 | // wxRadioButton functions | |
156 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 157 | |
5f199b71 | 158 | void wxRadioButton::SetValue(bool value) |
2bda0e17 | 159 | { |
3a5bcc4d | 160 | (void)::SendMessage(GetHwnd(), BM_SETCHECK, (value?BST_CHECKED:BST_UNCHECKED), 0L); |
2b5f62a0 | 161 | |
f607434a VZ |
162 | m_isChecked = value; |
163 | ||
2b5f62a0 VZ |
164 | // if we set the value of one radio button we also must clear all the other |
165 | // buttons in the same group: Windows doesn't do it automatically | |
f607434a | 166 | if ( m_isChecked ) |
2b5f62a0 | 167 | { |
b0b5881a | 168 | // If another radiobutton in the group currently has the focus, we have to |
f469584d VZ |
169 | // set it to this radiobutton, else the old readiobutton will be reselected |
170 | // automatically, if a parent window loses the focus and regains it. | |
171 | bool shouldSetFocus = false; | |
172 | wxWindow* pFocusWnd = FindFocus(); | |
173 | ||
2b5f62a0 | 174 | const wxWindowList& siblings = GetParent()->GetChildren(); |
222ed1d6 | 175 | wxWindowList::compatibility_iterator nodeThis = siblings.Find(this); |
2b5f62a0 VZ |
176 | wxCHECK_RET( nodeThis, _T("radio button not a child of its parent?") ); |
177 | ||
2b17e391 VZ |
178 | // if it's not the first item of the group ... |
179 | if ( !HasFlag(wxRB_GROUP) ) | |
2b5f62a0 | 180 | { |
2b17e391 | 181 | // ... turn off all radio buttons before it |
222ed1d6 | 182 | for ( wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious(); |
2b17e391 VZ |
183 | nodeBefore; |
184 | nodeBefore = nodeBefore->GetPrevious() ) | |
2b5f62a0 | 185 | { |
2b17e391 VZ |
186 | wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(), |
187 | wxRadioButton); | |
c5b3143a | 188 | if ( btn && btn->HasFlag(wxRB_SINGLE) ) |
2b17e391 | 189 | { |
c5b3143a | 190 | // A wxRB_SINGLE button isn't part of this group |
2b17e391 VZ |
191 | break; |
192 | } | |
b0b5881a | 193 | |
c5b3143a | 194 | if (btn) |
2b17e391 | 195 | { |
f469584d VZ |
196 | if (btn == pFocusWnd) |
197 | shouldSetFocus = true; | |
198 | ||
c5b3143a JS |
199 | btn->SetValue(false); |
200 | ||
201 | if ( btn->HasFlag(wxRB_GROUP) ) | |
202 | { | |
203 | // even if there are other radio buttons before this one, | |
204 | // they're not in the same group with us | |
205 | break; | |
206 | } | |
2b17e391 | 207 | } |
2b5f62a0 VZ |
208 | } |
209 | } | |
210 | ||
2b17e391 | 211 | // ... and also turn off all buttons after this one |
222ed1d6 | 212 | for ( wxWindowList::compatibility_iterator nodeAfter = nodeThis->GetNext(); |
2b5f62a0 VZ |
213 | nodeAfter; |
214 | nodeAfter = nodeAfter->GetNext() ) | |
215 | { | |
216 | wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(), | |
217 | wxRadioButton); | |
218 | ||
c5b3143a | 219 | if ( btn && (btn->HasFlag(wxRB_GROUP) || btn->HasFlag(wxRB_SINGLE) ) ) |
2b5f62a0 VZ |
220 | { |
221 | // no more buttons or the first button of the next group | |
222 | break; | |
223 | } | |
224 | ||
c5b3143a | 225 | if (btn) |
f469584d VZ |
226 | { |
227 | if (btn == pFocusWnd) | |
228 | shouldSetFocus = true; | |
229 | ||
c5b3143a | 230 | btn->SetValue(false); |
f469584d | 231 | } |
2b5f62a0 | 232 | } |
f469584d VZ |
233 | if (shouldSetFocus) |
234 | SetFocus(); | |
2b5f62a0 | 235 | } |
2bda0e17 KB |
236 | } |
237 | ||
5f199b71 | 238 | bool wxRadioButton::GetValue() const |
2bda0e17 | 239 | { |
f607434a VZ |
240 | wxASSERT_MSG( m_isChecked == |
241 | (::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0L) != 0), | |
242 | _T("wxRadioButton::m_isChecked is out of sync?") ); | |
243 | ||
244 | return m_isChecked; | |
2bda0e17 KB |
245 | } |
246 | ||
5f199b71 VZ |
247 | // ---------------------------------------------------------------------------- |
248 | // wxRadioButton event processing | |
249 | // ---------------------------------------------------------------------------- | |
250 | ||
251 | void wxRadioButton::Command (wxCommandEvent& event) | |
2bda0e17 | 252 | { |
687706f5 | 253 | SetValue(event.GetInt() != 0); |
5f199b71 | 254 | ProcessCommand(event); |
2bda0e17 KB |
255 | } |
256 | ||
5f199b71 | 257 | bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) |
f6bcfd97 | 258 | { |
5f199b71 | 259 | if ( param != BN_CLICKED ) |
f607434a | 260 | return false; |
5f199b71 | 261 | |
f607434a | 262 | if ( !m_isChecked ) |
f6bcfd97 | 263 | { |
f607434a VZ |
264 | // we have to do this for BS_RADIOBUTTON anyhow and, strangely enough, |
265 | // sometimes this is needed even for BS_AUTORADIOBUTTON (when we | |
266 | // receive focus the button gets BN_CLICKED but stays unchecked!) | |
267 | SetValue(true); | |
2b5f62a0 | 268 | |
5f199b71 VZ |
269 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId()); |
270 | event.SetEventObject( this ); | |
f607434a | 271 | event.SetInt(true); // always checked |
f6bcfd97 | 272 | |
5f199b71 VZ |
273 | ProcessCommand(event); |
274 | } | |
f6bcfd97 | 275 | |
f607434a | 276 | return true; |
f6bcfd97 | 277 | } |
2bda0e17 | 278 | |
5f199b71 VZ |
279 | // ---------------------------------------------------------------------------- |
280 | // wxRadioButton geometry | |
281 | // ---------------------------------------------------------------------------- | |
282 | ||
283 | wxSize wxRadioButton::DoGetBestSize() const | |
2bda0e17 | 284 | { |
5f199b71 | 285 | static int s_radioSize = 0; |
2bda0e17 | 286 | |
5f199b71 VZ |
287 | if ( !s_radioSize ) |
288 | { | |
289 | wxScreenDC dc; | |
290 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
2bda0e17 | 291 | |
5f199b71 VZ |
292 | s_radioSize = dc.GetCharHeight(); |
293 | } | |
2bda0e17 | 294 | |
5f199b71 | 295 | wxString str = GetLabel(); |
2bda0e17 | 296 | |
5f199b71 VZ |
297 | int wRadio, hRadio; |
298 | if ( !str.empty() ) | |
299 | { | |
32cd189d | 300 | GetTextExtent(GetLabelText(str), &wRadio, &hRadio); |
5f199b71 | 301 | wRadio += s_radioSize + GetCharWidth(); |
2bda0e17 | 302 | |
5f199b71 VZ |
303 | if ( hRadio < s_radioSize ) |
304 | hRadio = s_radioSize; | |
305 | } | |
306 | else | |
307 | { | |
308 | wRadio = s_radioSize; | |
309 | hRadio = s_radioSize; | |
310 | } | |
2bda0e17 | 311 | |
31582e4e RD |
312 | wxSize best(wRadio, hRadio); |
313 | CacheBestSize(best); | |
314 | return best; | |
2bda0e17 KB |
315 | } |
316 | ||
bec08b39 VZ |
317 | WXDWORD wxRadioButton::MSWGetStyle(long style, WXDWORD *exstyle) const |
318 | { | |
319 | WXDWORD styleMSW = wxControl::MSWGetStyle(style, exstyle); | |
320 | ||
321 | if ( style & wxRB_GROUP ) | |
322 | styleMSW |= WS_GROUP; | |
323 | ||
324 | return styleMSW; | |
325 | } | |
326 | ||
1e6feb95 | 327 | #endif // wxUSE_RADIOBTN |