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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" | |
6b81a8ea | 34 | #include "wx/toplevel.h" |
2bda0e17 KB |
35 | #endif |
36 | ||
37 | #include "wx/msw/private.h" | |
38 | ||
5f199b71 VZ |
39 | // ============================================================================ |
40 | // wxRadioButton implementation | |
41 | // ============================================================================ | |
42 | ||
43 | // ---------------------------------------------------------------------------- | |
44 | // wxRadioButton creation | |
45 | // ---------------------------------------------------------------------------- | |
46 | ||
2bda0e17 | 47 | |
51741307 | 48 | #if wxUSE_EXTENDED_RTTI |
bc9fb572 JS |
49 | WX_DEFINE_FLAGS( wxRadioButtonStyle ) |
50 | ||
3ff066a4 | 51 | wxBEGIN_FLAGS( wxRadioButtonStyle ) |
bc9fb572 JS |
52 | // new style border flags, we put them first to |
53 | // use them for streaming out | |
3ff066a4 SC |
54 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) |
55 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) | |
56 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) | |
57 | wxFLAGS_MEMBER(wxBORDER_RAISED) | |
58 | wxFLAGS_MEMBER(wxBORDER_STATIC) | |
59 | wxFLAGS_MEMBER(wxBORDER_NONE) | |
4d08943e | 60 | |
bc9fb572 | 61 | // old style border flags |
3ff066a4 SC |
62 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) |
63 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) | |
64 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) | |
65 | wxFLAGS_MEMBER(wxRAISED_BORDER) | |
66 | wxFLAGS_MEMBER(wxSTATIC_BORDER) | |
cb0afb26 | 67 | wxFLAGS_MEMBER(wxBORDER) |
bc9fb572 JS |
68 | |
69 | // standard window styles | |
3ff066a4 SC |
70 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) |
71 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) | |
72 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) | |
73 | wxFLAGS_MEMBER(wxWANTS_CHARS) | |
cb0afb26 | 74 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) |
3ff066a4 SC |
75 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) |
76 | wxFLAGS_MEMBER(wxVSCROLL) | |
77 | wxFLAGS_MEMBER(wxHSCROLL) | |
bc9fb572 | 78 | |
3ff066a4 | 79 | wxFLAGS_MEMBER(wxRB_GROUP) |
bc9fb572 | 80 | |
3ff066a4 | 81 | wxEND_FLAGS( wxRadioButtonStyle ) |
bc9fb572 | 82 | |
51741307 SC |
83 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxRadioButton, wxControl,"wx/radiobut.h") |
84 | ||
3ff066a4 | 85 | wxBEGIN_PROPERTIES_TABLE(wxRadioButton) |
f607434a | 86 | wxEVENT_PROPERTY( Click , wxEVT_COMMAND_RADIOBUTTON_SELECTED , wxCommandEvent ) |
af498247 | 87 | wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) |
f607434a | 88 | wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) |
af498247 VZ |
89 | wxPROPERTY( Value ,bool, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) |
90 | wxPROPERTY_FLAGS( WindowStyle , wxRadioButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style | |
3ff066a4 | 91 | wxEND_PROPERTIES_TABLE() |
51741307 | 92 | |
3ff066a4 SC |
93 | wxBEGIN_HANDLERS_TABLE(wxRadioButton) |
94 | wxEND_HANDLERS_TABLE() | |
51741307 | 95 | |
4d08943e | 96 | wxCONSTRUCTOR_6( wxRadioButton , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) |
51741307 SC |
97 | |
98 | #else | |
99 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) | |
100 | #endif | |
066f1b7a | 101 | |
066f1b7a | 102 | |
5f199b71 | 103 | void wxRadioButton::Init() |
621793f4 | 104 | { |
f607434a | 105 | m_isChecked = false; |
621793f4 JS |
106 | } |
107 | ||
5f199b71 VZ |
108 | bool wxRadioButton::Create(wxWindow *parent, |
109 | wxWindowID id, | |
110 | const wxString& label, | |
111 | const wxPoint& pos, | |
112 | const wxSize& size, | |
113 | long style, | |
114 | const wxValidator& validator, | |
115 | const wxString& name) | |
2bda0e17 | 116 | { |
5f199b71 | 117 | if ( !CreateControl(parent, id, pos, size, style, validator, name) ) |
f607434a | 118 | return false; |
2bda0e17 | 119 | |
2b5f62a0 VZ |
120 | long msStyle = WS_TABSTOP; |
121 | if ( HasFlag(wxRB_GROUP) ) | |
122 | msStyle |= WS_GROUP; | |
123 | ||
124 | /* | |
125 | wxRB_SINGLE is a temporary workaround for the following problem: if you | |
126 | have 2 radiobuttons in the same group but which are not consecutive in | |
127 | the dialog, Windows can enter an infinite loop! The simplest way to | |
128 | reproduce it is to create radio button, then a panel and then another | |
129 | radio button: then checking the last button hangs the app. | |
2bda0e17 | 130 | |
2b5f62a0 VZ |
131 | Ideally, we'd detect (and avoid) such situation automatically but for |
132 | now, as I don't know how to do it, just allow the user to create | |
133 | BS_RADIOBUTTON buttons for such situations. | |
134 | */ | |
135 | msStyle |= HasFlag(wxRB_SINGLE) ? BS_RADIOBUTTON : BS_AUTORADIOBUTTON; | |
2bda0e17 | 136 | |
5f199b71 | 137 | if ( HasFlag(wxCLIP_SIBLINGS) ) |
b0766406 | 138 | msStyle |= WS_CLIPSIBLINGS; |
93212fee VZ |
139 | if ( HasFlag(wxALIGN_RIGHT) ) |
140 | msStyle |= BS_LEFTTEXT | BS_RIGHT; | |
b0766406 | 141 | |
5f199b71 | 142 | if ( !MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, 0) ) |
f607434a | 143 | return false; |
b0766406 | 144 | |
5f199b71 VZ |
145 | // for compatibility with wxGTK, the first radio button in a group is |
146 | // always checked (this makes sense anyhow as you need to ensure that at | |
147 | // least one button in the group is checked and this is the simlpest way to | |
148 | // do it) | |
149 | if ( HasFlag(wxRB_GROUP) ) | |
f607434a | 150 | SetValue(true); |
c085e333 | 151 | |
f607434a | 152 | return true; |
2bda0e17 KB |
153 | } |
154 | ||
5f199b71 VZ |
155 | // ---------------------------------------------------------------------------- |
156 | // wxRadioButton functions | |
157 | // ---------------------------------------------------------------------------- | |
2bda0e17 | 158 | |
5f199b71 | 159 | void wxRadioButton::SetValue(bool value) |
2bda0e17 | 160 | { |
48fbe8ee VZ |
161 | ::SendMessage(GetHwnd(), BM_SETCHECK, |
162 | value ? BST_CHECKED : BST_UNCHECKED, 0); | |
2b5f62a0 | 163 | |
f607434a VZ |
164 | m_isChecked = value; |
165 | ||
48fbe8ee VZ |
166 | if ( !value ) |
167 | return; | |
168 | ||
2b5f62a0 VZ |
169 | // if we set the value of one radio button we also must clear all the other |
170 | // buttons in the same group: Windows doesn't do it automatically | |
48fbe8ee VZ |
171 | // |
172 | // moreover, if another radiobutton in the group currently has the focus, | |
173 | // we have to set it to this radiobutton, else the old readiobutton will be | |
174 | // reselected automatically, if a parent window loses the focus and regains | |
175 | // it. | |
176 | wxWindow * const focus = FindFocus(); | |
177 | wxTopLevelWindow * const | |
178 | tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow); | |
179 | wxCHECK_RET( tlw, _T("radio button outside of TLW?") ); | |
180 | wxWindow * const focusInTLW = tlw->GetLastFocus(); | |
181 | ||
182 | const wxWindowList& siblings = GetParent()->GetChildren(); | |
183 | wxWindowList::compatibility_iterator nodeThis = siblings.Find(this); | |
184 | wxCHECK_RET( nodeThis, _T("radio button not a child of its parent?") ); | |
185 | ||
186 | // this will be set to true in the code below if the focus is in our TLW | |
187 | // and belongs to one of the other buttons in the same group | |
188 | bool shouldSetFocus = false; | |
189 | ||
190 | // this will be set to true if the focus is outside of our TLW currently | |
191 | // but the remembered focus of this TLW is one of the other buttons in the | |
192 | // same group | |
193 | bool shouldSetTLWFocus = false; | |
194 | ||
195 | // if it's not the first item of the group ... | |
196 | if ( !HasFlag(wxRB_GROUP) ) | |
2b5f62a0 | 197 | { |
48fbe8ee VZ |
198 | // ... turn off all radio buttons before it |
199 | for ( wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious(); | |
200 | nodeBefore; | |
201 | nodeBefore = nodeBefore->GetPrevious() ) | |
2b5f62a0 | 202 | { |
48fbe8ee VZ |
203 | wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(), |
204 | wxRadioButton); | |
205 | if ( !btn ) | |
2b5f62a0 | 206 | { |
48fbe8ee VZ |
207 | // don't stop on non radio buttons, we could have intermixed |
208 | // buttons and e.g. static labels | |
209 | continue; | |
210 | } | |
211 | ||
212 | if ( btn->HasFlag(wxRB_SINGLE) ) | |
2b17e391 | 213 | { |
c5b3143a | 214 | // A wxRB_SINGLE button isn't part of this group |
2b17e391 VZ |
215 | break; |
216 | } | |
b0b5881a | 217 | |
48fbe8ee VZ |
218 | if ( btn == focus ) |
219 | shouldSetFocus = true; | |
220 | else if ( btn == focusInTLW ) | |
221 | shouldSetTLWFocus = true; | |
c5b3143a | 222 | |
48fbe8ee | 223 | btn->SetValue(false); |
2b5f62a0 | 224 | |
48fbe8ee | 225 | if ( btn->HasFlag(wxRB_GROUP) ) |
2b5f62a0 | 226 | { |
48fbe8ee VZ |
227 | // even if there are other radio buttons before this one, |
228 | // they're not in the same group with us | |
2b5f62a0 VZ |
229 | break; |
230 | } | |
48fbe8ee VZ |
231 | } |
232 | } | |
2b5f62a0 | 233 | |
48fbe8ee VZ |
234 | // ... and also turn off all buttons after this one |
235 | for ( wxWindowList::compatibility_iterator nodeAfter = nodeThis->GetNext(); | |
236 | nodeAfter; | |
237 | nodeAfter = nodeAfter->GetNext() ) | |
238 | { | |
239 | wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(), | |
240 | wxRadioButton); | |
f469584d | 241 | |
48fbe8ee VZ |
242 | if ( !btn ) |
243 | continue; | |
244 | ||
245 | if ( btn->HasFlag(wxRB_GROUP | wxRB_SINGLE) ) | |
246 | { | |
247 | // no more buttons or the first button of the next group | |
248 | break; | |
2b5f62a0 | 249 | } |
48fbe8ee VZ |
250 | |
251 | if ( btn == focus ) | |
252 | shouldSetFocus = true; | |
253 | else if ( btn == focusInTLW ) | |
254 | shouldSetTLWFocus = true; | |
255 | ||
256 | btn->SetValue(false); | |
2b5f62a0 | 257 | } |
48fbe8ee VZ |
258 | |
259 | if ( shouldSetFocus ) | |
260 | SetFocus(); | |
261 | else if ( shouldSetTLWFocus ) | |
262 | tlw->SetLastFocus(this); | |
2bda0e17 KB |
263 | } |
264 | ||
5f199b71 | 265 | bool wxRadioButton::GetValue() const |
2bda0e17 | 266 | { |
f607434a VZ |
267 | wxASSERT_MSG( m_isChecked == |
268 | (::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0L) != 0), | |
269 | _T("wxRadioButton::m_isChecked is out of sync?") ); | |
270 | ||
271 | return m_isChecked; | |
2bda0e17 KB |
272 | } |
273 | ||
5f199b71 VZ |
274 | // ---------------------------------------------------------------------------- |
275 | // wxRadioButton event processing | |
276 | // ---------------------------------------------------------------------------- | |
277 | ||
278 | void wxRadioButton::Command (wxCommandEvent& event) | |
2bda0e17 | 279 | { |
687706f5 | 280 | SetValue(event.GetInt() != 0); |
5f199b71 | 281 | ProcessCommand(event); |
2bda0e17 KB |
282 | } |
283 | ||
5f199b71 | 284 | bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) |
f6bcfd97 | 285 | { |
5f199b71 | 286 | if ( param != BN_CLICKED ) |
f607434a | 287 | return false; |
5f199b71 | 288 | |
f607434a | 289 | if ( !m_isChecked ) |
f6bcfd97 | 290 | { |
f607434a VZ |
291 | // we have to do this for BS_RADIOBUTTON anyhow and, strangely enough, |
292 | // sometimes this is needed even for BS_AUTORADIOBUTTON (when we | |
293 | // receive focus the button gets BN_CLICKED but stays unchecked!) | |
294 | SetValue(true); | |
2b5f62a0 | 295 | |
5f199b71 VZ |
296 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId()); |
297 | event.SetEventObject( this ); | |
f607434a | 298 | event.SetInt(true); // always checked |
f6bcfd97 | 299 | |
5f199b71 VZ |
300 | ProcessCommand(event); |
301 | } | |
f6bcfd97 | 302 | |
f607434a | 303 | return true; |
f6bcfd97 | 304 | } |
2bda0e17 | 305 | |
5f199b71 VZ |
306 | // ---------------------------------------------------------------------------- |
307 | // wxRadioButton geometry | |
308 | // ---------------------------------------------------------------------------- | |
309 | ||
310 | wxSize wxRadioButton::DoGetBestSize() const | |
2bda0e17 | 311 | { |
5f199b71 | 312 | static int s_radioSize = 0; |
2bda0e17 | 313 | |
5f199b71 VZ |
314 | if ( !s_radioSize ) |
315 | { | |
316 | wxScreenDC dc; | |
317 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
2bda0e17 | 318 | |
5f199b71 | 319 | s_radioSize = dc.GetCharHeight(); |
7eee3607 VZ |
320 | |
321 | // radio button bitmap size under CE is bigger than the font height, | |
322 | // adding just one pixel seems to work fine for the default font but it | |
323 | // would be nice to find some better way to find the correct height | |
324 | #ifdef __WXWINCE__ | |
325 | s_radioSize++; | |
326 | #endif // __WXWINCE__ | |
5f199b71 | 327 | } |
2bda0e17 | 328 | |
5f199b71 | 329 | wxString str = GetLabel(); |
2bda0e17 | 330 | |
5f199b71 VZ |
331 | int wRadio, hRadio; |
332 | if ( !str.empty() ) | |
333 | { | |
32cd189d | 334 | GetTextExtent(GetLabelText(str), &wRadio, &hRadio); |
5f199b71 | 335 | wRadio += s_radioSize + GetCharWidth(); |
2bda0e17 | 336 | |
5f199b71 VZ |
337 | if ( hRadio < s_radioSize ) |
338 | hRadio = s_radioSize; | |
339 | } | |
340 | else | |
341 | { | |
342 | wRadio = s_radioSize; | |
343 | hRadio = s_radioSize; | |
344 | } | |
2bda0e17 | 345 | |
31582e4e RD |
346 | wxSize best(wRadio, hRadio); |
347 | CacheBestSize(best); | |
348 | return best; | |
2bda0e17 KB |
349 | } |
350 | ||
bec08b39 VZ |
351 | WXDWORD wxRadioButton::MSWGetStyle(long style, WXDWORD *exstyle) const |
352 | { | |
353 | WXDWORD styleMSW = wxControl::MSWGetStyle(style, exstyle); | |
354 | ||
355 | if ( style & wxRB_GROUP ) | |
356 | styleMSW |= WS_GROUP; | |
357 | ||
358 | return styleMSW; | |
359 | } | |
360 | ||
1e6feb95 | 361 | #endif // wxUSE_RADIOBTN |