| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/radiobox.cpp |
| 3 | // Purpose: wxRadioBox implementation |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // =========================================================================== |
| 13 | // declarations |
| 14 | // =========================================================================== |
| 15 | |
| 16 | // --------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // --------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_RADIOBOX |
| 28 | |
| 29 | #include "wx/radiobox.h" |
| 30 | |
| 31 | #ifndef WX_PRECOMP |
| 32 | #include "wx/hashmap.h" |
| 33 | #include "wx/bitmap.h" |
| 34 | #include "wx/brush.h" |
| 35 | #include "wx/settings.h" |
| 36 | #include "wx/log.h" |
| 37 | #endif |
| 38 | |
| 39 | #include "wx/msw/subwin.h" |
| 40 | |
| 41 | #if wxUSE_TOOLTIPS |
| 42 | #include "wx/tooltip.h" |
| 43 | #endif // wxUSE_TOOLTIPS |
| 44 | |
| 45 | // TODO: wxCONSTRUCTOR |
| 46 | #if 0 // wxUSE_EXTENDED_RTTI |
| 47 | WX_DEFINE_FLAGS( wxRadioBoxStyle ) |
| 48 | |
| 49 | wxBEGIN_FLAGS( wxRadioBoxStyle ) |
| 50 | // new style border flags, we put them first to |
| 51 | // use them for streaming out |
| 52 | wxFLAGS_MEMBER(wxBORDER_SIMPLE) |
| 53 | wxFLAGS_MEMBER(wxBORDER_SUNKEN) |
| 54 | wxFLAGS_MEMBER(wxBORDER_DOUBLE) |
| 55 | wxFLAGS_MEMBER(wxBORDER_RAISED) |
| 56 | wxFLAGS_MEMBER(wxBORDER_STATIC) |
| 57 | wxFLAGS_MEMBER(wxBORDER_NONE) |
| 58 | |
| 59 | // old style border flags |
| 60 | wxFLAGS_MEMBER(wxSIMPLE_BORDER) |
| 61 | wxFLAGS_MEMBER(wxSUNKEN_BORDER) |
| 62 | wxFLAGS_MEMBER(wxDOUBLE_BORDER) |
| 63 | wxFLAGS_MEMBER(wxRAISED_BORDER) |
| 64 | wxFLAGS_MEMBER(wxSTATIC_BORDER) |
| 65 | wxFLAGS_MEMBER(wxBORDER) |
| 66 | |
| 67 | // standard window styles |
| 68 | wxFLAGS_MEMBER(wxTAB_TRAVERSAL) |
| 69 | wxFLAGS_MEMBER(wxCLIP_CHILDREN) |
| 70 | wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) |
| 71 | wxFLAGS_MEMBER(wxWANTS_CHARS) |
| 72 | wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) |
| 73 | wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) |
| 74 | wxFLAGS_MEMBER(wxVSCROLL) |
| 75 | wxFLAGS_MEMBER(wxHSCROLL) |
| 76 | |
| 77 | wxFLAGS_MEMBER(wxRA_SPECIFY_COLS) |
| 78 | wxFLAGS_MEMBER(wxRA_SPECIFY_ROWS) |
| 79 | wxEND_FLAGS( wxRadioBoxStyle ) |
| 80 | |
| 81 | IMPLEMENT_DYNAMIC_CLASS_XTI(wxRadioBox, wxControl,"wx/radiobox.h") |
| 82 | |
| 83 | wxBEGIN_PROPERTIES_TABLE(wxRadioBox) |
| 84 | wxEVENT_PROPERTY( Select , wxEVT_COMMAND_RADIOBOX_SELECTED , wxCommandEvent ) |
| 85 | wxPROPERTY_FLAGS( WindowStyle , wxRadioBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style |
| 86 | wxEND_PROPERTIES_TABLE() |
| 87 | |
| 88 | #else |
| 89 | IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl) |
| 90 | #endif |
| 91 | |
| 92 | /* |
| 93 | selection |
| 94 | content |
| 95 | label |
| 96 | dimension |
| 97 | item |
| 98 | */ |
| 99 | |
| 100 | // --------------------------------------------------------------------------- |
| 101 | // private functions |
| 102 | // --------------------------------------------------------------------------- |
| 103 | |
| 104 | // wnd proc for radio buttons |
| 105 | LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hWnd, |
| 106 | UINT message, |
| 107 | WPARAM wParam, |
| 108 | LPARAM lParam); |
| 109 | |
| 110 | // --------------------------------------------------------------------------- |
| 111 | // global vars |
| 112 | // --------------------------------------------------------------------------- |
| 113 | |
| 114 | namespace |
| 115 | { |
| 116 | |
| 117 | // the pointer to standard radio button wnd proc |
| 118 | WXFARPROC s_wndprocRadioBtn = (WXFARPROC)NULL; |
| 119 | |
| 120 | // Hash allowing to find wxRadioBox containing the given radio button by its |
| 121 | // HWND. This is used by (subclassed) radio button window proc to find the |
| 122 | // radio box it belongs to. |
| 123 | WX_DECLARE_HASH_MAP(HWND, wxRadioBox *, |
| 124 | wxPointerHash, wxPointerEqual, |
| 125 | RadioBoxFromButton); |
| 126 | |
| 127 | RadioBoxFromButton gs_boxFromButton; |
| 128 | |
| 129 | } // anonymous namespace |
| 130 | |
| 131 | // =========================================================================== |
| 132 | // implementation |
| 133 | // =========================================================================== |
| 134 | |
| 135 | /* static */ |
| 136 | wxRadioBox* wxRadioBox::GetFromRadioButtonHWND(WXHWND hwnd) |
| 137 | { |
| 138 | const RadioBoxFromButton::const_iterator it = gs_boxFromButton.find(hwnd); |
| 139 | return it == gs_boxFromButton.end() ? NULL : it->second; |
| 140 | } |
| 141 | |
| 142 | // --------------------------------------------------------------------------- |
| 143 | // wxRadioBox creation |
| 144 | // --------------------------------------------------------------------------- |
| 145 | |
| 146 | // Radio box item |
| 147 | void wxRadioBox::Init() |
| 148 | { |
| 149 | m_selectedButton = wxNOT_FOUND; |
| 150 | m_radioButtons = NULL; |
| 151 | m_dummyHwnd = NULL; |
| 152 | m_radioWidth = NULL; |
| 153 | m_radioHeight = NULL; |
| 154 | } |
| 155 | |
| 156 | bool wxRadioBox::Create(wxWindow *parent, |
| 157 | wxWindowID id, |
| 158 | const wxString& title, |
| 159 | const wxPoint& pos, |
| 160 | const wxSize& size, |
| 161 | int n, |
| 162 | const wxString choices[], |
| 163 | int majorDim, |
| 164 | long style, |
| 165 | const wxValidator& val, |
| 166 | const wxString& name) |
| 167 | { |
| 168 | // common initialization |
| 169 | if ( !wxStaticBox::Create(parent, id, title, pos, size, style, name) ) |
| 170 | return false; |
| 171 | |
| 172 | // the code elsewhere in this file supposes that either wxRA_SPECIFY_COLS |
| 173 | // or wxRA_SPECIFY_ROWS is set, ensure that this is indeed the case |
| 174 | if ( !(style & (wxRA_SPECIFY_ROWS | wxRA_SPECIFY_COLS)) ) |
| 175 | style |= wxRA_SPECIFY_COLS; |
| 176 | |
| 177 | #if wxUSE_VALIDATORS |
| 178 | SetValidator(val); |
| 179 | #else |
| 180 | wxUnusedVar(val); |
| 181 | #endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS |
| 182 | |
| 183 | // We need an extra one to keep track of the 'dummy' item we |
| 184 | // create to end the radio group, so it will be destroyed and |
| 185 | // it's id will be released. But we want it separate from the |
| 186 | // other buttons since the wxSubwindows will operate on it as |
| 187 | // well and we just want to ignore it until destroying it. |
| 188 | // For instance, we don't want the bounding box of the radio |
| 189 | // buttons to include the dummy button |
| 190 | m_radioButtons = new wxSubwindows(n); |
| 191 | |
| 192 | m_radioWidth = new int[n]; |
| 193 | m_radioHeight = new int[n]; |
| 194 | |
| 195 | for ( int i = 0; i < n; i++ ) |
| 196 | { |
| 197 | m_radioWidth[i] = |
| 198 | m_radioHeight[i] = wxDefaultCoord; |
| 199 | long styleBtn = BS_AUTORADIOBUTTON | WS_TABSTOP | WS_CHILD | WS_VISIBLE; |
| 200 | if ( i == 0 ) |
| 201 | styleBtn |= WS_GROUP; |
| 202 | |
| 203 | wxWindowIDRef subid = NewControlId(); |
| 204 | |
| 205 | HWND hwndBtn = ::CreateWindow(wxT("BUTTON"), |
| 206 | choices[i].wx_str(), |
| 207 | styleBtn, |
| 208 | 0, 0, 0, 0, // will be set in SetSize() |
| 209 | GetHwndOf(parent), |
| 210 | (HMENU)wxUIntToPtr(subid.GetValue()), |
| 211 | wxGetInstance(), |
| 212 | NULL); |
| 213 | |
| 214 | if ( !hwndBtn ) |
| 215 | { |
| 216 | wxLogLastError(wxT("CreateWindow(radio btn)")); |
| 217 | |
| 218 | return false; |
| 219 | } |
| 220 | |
| 221 | // Keep track of the subwindow |
| 222 | m_radioButtons->Set(i, hwndBtn, subid); |
| 223 | |
| 224 | SubclassRadioButton((WXHWND)hwndBtn); |
| 225 | |
| 226 | // Also, make it a subcontrol of this control |
| 227 | m_subControls.Add(subid); |
| 228 | } |
| 229 | |
| 230 | // Create a dummy radio control to end the group. |
| 231 | m_dummyId = NewControlId(); |
| 232 | |
| 233 | m_dummyHwnd = (WXHWND)::CreateWindow(wxT("BUTTON"), |
| 234 | wxEmptyString, |
| 235 | WS_GROUP | BS_AUTORADIOBUTTON | WS_CHILD, |
| 236 | 0, 0, 0, 0, GetHwndOf(parent), |
| 237 | (HMENU)wxUIntToPtr(m_dummyId.GetValue()), |
| 238 | wxGetInstance(), NULL); |
| 239 | |
| 240 | |
| 241 | m_radioButtons->SetFont(GetFont()); |
| 242 | |
| 243 | #ifdef __WXWINCE__ |
| 244 | // Set the z-order correctly |
| 245 | SetWindowPos(GetHwnd(), HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE); |
| 246 | #endif |
| 247 | |
| 248 | SetMajorDim(majorDim == 0 ? n : majorDim, style); |
| 249 | SetSelection(0); |
| 250 | SetSize(pos.x, pos.y, size.x, size.y); |
| 251 | |
| 252 | // Now that we have items determine what is the best size and set it. |
| 253 | SetInitialSize(size); |
| 254 | |
| 255 | return true; |
| 256 | } |
| 257 | |
| 258 | bool wxRadioBox::Create(wxWindow *parent, |
| 259 | wxWindowID id, |
| 260 | const wxString& title, |
| 261 | const wxPoint& pos, |
| 262 | const wxSize& size, |
| 263 | const wxArrayString& choices, |
| 264 | int majorDim, |
| 265 | long style, |
| 266 | const wxValidator& val, |
| 267 | const wxString& name) |
| 268 | { |
| 269 | wxCArrayString chs(choices); |
| 270 | return Create(parent, id, title, pos, size, chs.GetCount(), |
| 271 | chs.GetStrings(), majorDim, style, val, name); |
| 272 | } |
| 273 | |
| 274 | wxRadioBox::~wxRadioBox() |
| 275 | { |
| 276 | SendDestroyEvent(); |
| 277 | |
| 278 | // Unsubclass all the radio buttons and remove their soon-to-be-invalid |
| 279 | // HWNDs from the global map. Notice that we need to unsubclass because |
| 280 | // otherwise we'd need the entries in gs_boxFromButton for the buttons |
| 281 | // being deleted to handle the messages generated during their destruction. |
| 282 | for ( size_t item = 0; item < m_radioButtons->GetCount(); item++ ) |
| 283 | { |
| 284 | HWND hwnd = m_radioButtons->Get(item); |
| 285 | |
| 286 | wxSetWindowProc(hwnd, reinterpret_cast<WNDPROC>(s_wndprocRadioBtn)); |
| 287 | gs_boxFromButton.erase(hwnd); |
| 288 | } |
| 289 | |
| 290 | delete m_radioButtons; |
| 291 | |
| 292 | if ( m_dummyHwnd ) |
| 293 | DestroyWindow((HWND)m_dummyHwnd); |
| 294 | |
| 295 | delete[] m_radioWidth; |
| 296 | delete[] m_radioHeight; |
| 297 | } |
| 298 | |
| 299 | // NB: if this code is changed, wxGetWindowForHWND() which relies on having the |
| 300 | // radiobox pointer in GWL_USERDATA for radio buttons must be updated too! |
| 301 | void wxRadioBox::SubclassRadioButton(WXHWND hWndBtn) |
| 302 | { |
| 303 | HWND hwndBtn = (HWND)hWndBtn; |
| 304 | |
| 305 | if ( !s_wndprocRadioBtn ) |
| 306 | s_wndprocRadioBtn = (WXFARPROC)wxGetWindowProc(hwndBtn); |
| 307 | |
| 308 | wxSetWindowProc(hwndBtn, wxRadioBtnWndProc); |
| 309 | |
| 310 | gs_boxFromButton[hwndBtn] = this; |
| 311 | } |
| 312 | |
| 313 | // ---------------------------------------------------------------------------- |
| 314 | // events generation |
| 315 | // ---------------------------------------------------------------------------- |
| 316 | |
| 317 | bool wxRadioBox::MSWCommand(WXUINT cmd, WXWORD id_) |
| 318 | { |
| 319 | const int id = (signed short)id_; |
| 320 | |
| 321 | if ( cmd == BN_CLICKED ) |
| 322 | { |
| 323 | if (id == GetId()) |
| 324 | return true; |
| 325 | |
| 326 | int selectedButton = wxNOT_FOUND; |
| 327 | |
| 328 | const unsigned int count = GetCount(); |
| 329 | for ( unsigned int i = 0; i < count; i++ ) |
| 330 | { |
| 331 | const HWND hwndBtn = (*m_radioButtons)[i]; |
| 332 | if ( id == wxGetWindowId(hwndBtn) ) |
| 333 | { |
| 334 | // we can get BN_CLICKED for a button which just became focused |
| 335 | // but it may not be checked, in which case we shouldn't |
| 336 | // generate a radiobox selection changed event for it |
| 337 | if ( ::SendMessage(hwndBtn, BM_GETCHECK, 0, 0) == BST_CHECKED ) |
| 338 | selectedButton = i; |
| 339 | |
| 340 | break; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | if ( selectedButton == wxNOT_FOUND ) |
| 345 | { |
| 346 | // just ignore it - due to a hack with WM_NCHITTEST handling in our |
| 347 | // wnd proc, we can receive dummy click messages when we click near |
| 348 | // the radiobox edge (this is ugly but Julian wouldn't let me get |
| 349 | // rid of this...) |
| 350 | return false; |
| 351 | } |
| 352 | |
| 353 | if ( selectedButton != m_selectedButton ) |
| 354 | { |
| 355 | m_selectedButton = selectedButton; |
| 356 | |
| 357 | SendNotificationEvent(); |
| 358 | } |
| 359 | //else: don't generate events when the selection doesn't change |
| 360 | |
| 361 | return true; |
| 362 | } |
| 363 | else |
| 364 | return false; |
| 365 | } |
| 366 | |
| 367 | void wxRadioBox::Command(wxCommandEvent & event) |
| 368 | { |
| 369 | SetSelection (event.GetInt()); |
| 370 | SetFocus(); |
| 371 | ProcessCommand(event); |
| 372 | } |
| 373 | |
| 374 | void wxRadioBox::SendNotificationEvent() |
| 375 | { |
| 376 | wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId); |
| 377 | event.SetInt( m_selectedButton ); |
| 378 | event.SetString(GetString(m_selectedButton)); |
| 379 | event.SetEventObject( this ); |
| 380 | ProcessCommand(event); |
| 381 | } |
| 382 | |
| 383 | // ---------------------------------------------------------------------------- |
| 384 | // simple accessors |
| 385 | // ---------------------------------------------------------------------------- |
| 386 | |
| 387 | unsigned int wxRadioBox::GetCount() const |
| 388 | { |
| 389 | return m_radioButtons ? m_radioButtons->GetCount() : 0u; |
| 390 | } |
| 391 | |
| 392 | void wxRadioBox::SetString(unsigned int item, const wxString& label) |
| 393 | { |
| 394 | wxCHECK_RET( IsValid(item), wxT("invalid radiobox index") ); |
| 395 | |
| 396 | m_radioWidth[item] = |
| 397 | m_radioHeight[item] = wxDefaultCoord; |
| 398 | |
| 399 | ::SetWindowText((*m_radioButtons)[item], label.c_str()); |
| 400 | |
| 401 | InvalidateBestSize(); |
| 402 | } |
| 403 | |
| 404 | void wxRadioBox::SetSelection(int N) |
| 405 | { |
| 406 | wxCHECK_RET( IsValid(N), wxT("invalid radiobox index") ); |
| 407 | |
| 408 | // unselect the old button |
| 409 | if ( m_selectedButton != wxNOT_FOUND ) |
| 410 | ::SendMessage((*m_radioButtons)[m_selectedButton], BM_SETCHECK, 0, 0L); |
| 411 | |
| 412 | // and select the new one |
| 413 | ::SendMessage((*m_radioButtons)[N], BM_SETCHECK, 1, 0L); |
| 414 | |
| 415 | m_selectedButton = N; |
| 416 | } |
| 417 | |
| 418 | // Find string for position |
| 419 | wxString wxRadioBox::GetString(unsigned int item) const |
| 420 | { |
| 421 | wxCHECK_MSG( IsValid(item), wxEmptyString, |
| 422 | wxT("invalid radiobox index") ); |
| 423 | |
| 424 | return wxGetWindowText((*m_radioButtons)[item]); |
| 425 | } |
| 426 | |
| 427 | void wxRadioBox::SetFocus() |
| 428 | { |
| 429 | if ( GetCount() > 0 ) |
| 430 | { |
| 431 | ::SetFocus((*m_radioButtons)[m_selectedButton == wxNOT_FOUND |
| 432 | ? 0 |
| 433 | : m_selectedButton]); |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | // Enable a specific button |
| 438 | bool wxRadioBox::Enable(unsigned int item, bool enable) |
| 439 | { |
| 440 | wxCHECK_MSG( IsValid(item), false, |
| 441 | wxT("invalid item in wxRadioBox::Enable()") ); |
| 442 | |
| 443 | BOOL ret = MSWEnableHWND((*m_radioButtons)[item], enable); |
| 444 | |
| 445 | return (ret == 0) != enable; |
| 446 | } |
| 447 | |
| 448 | bool wxRadioBox::IsItemEnabled(unsigned int item) const |
| 449 | { |
| 450 | wxCHECK_MSG( IsValid(item), false, |
| 451 | wxT("invalid item in wxRadioBox::IsItemEnabled()") ); |
| 452 | |
| 453 | return ::IsWindowEnabled((*m_radioButtons)[item]) != 0; |
| 454 | } |
| 455 | |
| 456 | // Show a specific button |
| 457 | bool wxRadioBox::Show(unsigned int item, bool show) |
| 458 | { |
| 459 | wxCHECK_MSG( IsValid(item), false, |
| 460 | wxT("invalid item in wxRadioBox::Show()") ); |
| 461 | |
| 462 | BOOL ret = ::ShowWindow((*m_radioButtons)[item], show ? SW_SHOW : SW_HIDE); |
| 463 | |
| 464 | bool changed = (ret != 0) != show; |
| 465 | if ( changed ) |
| 466 | { |
| 467 | InvalidateBestSize(); |
| 468 | } |
| 469 | |
| 470 | return changed; |
| 471 | } |
| 472 | |
| 473 | bool wxRadioBox::IsItemShown(unsigned int item) const |
| 474 | { |
| 475 | wxCHECK_MSG( IsValid(item), false, |
| 476 | wxT("invalid item in wxRadioBox::IsItemShown()") ); |
| 477 | |
| 478 | // don't use IsWindowVisible() here because it would return false if the |
| 479 | // radiobox itself is hidden while we want to only return false if this |
| 480 | // button specifically is hidden |
| 481 | return (::GetWindowLong((*m_radioButtons)[item], |
| 482 | GWL_STYLE) & WS_VISIBLE) != 0; |
| 483 | } |
| 484 | |
| 485 | #if wxUSE_TOOLTIPS |
| 486 | |
| 487 | bool wxRadioBox::HasToolTips() const |
| 488 | { |
| 489 | return wxStaticBox::HasToolTips() || wxRadioBoxBase::HasItemToolTips(); |
| 490 | } |
| 491 | |
| 492 | void wxRadioBox::DoSetItemToolTip(unsigned int item, wxToolTip *tooltip) |
| 493 | { |
| 494 | // we have already checked for the item to be valid in wxRadioBoxBase |
| 495 | const HWND hwndRbtn = (*m_radioButtons)[item]; |
| 496 | if ( tooltip != NULL ) |
| 497 | tooltip->Add(hwndRbtn); |
| 498 | else // unset the tooltip |
| 499 | wxToolTip::Remove(hwndRbtn, 0, wxRect(0,0,0,0)); |
| 500 | // the second parameter can be zero since it's ignored by Remove() |
| 501 | // as we pass a rect for which wxRect::IsEmpty()==true... |
| 502 | } |
| 503 | |
| 504 | #endif // wxUSE_TOOLTIPS |
| 505 | |
| 506 | bool wxRadioBox::Reparent(wxWindowBase *newParent) |
| 507 | { |
| 508 | if ( !wxStaticBox::Reparent(newParent) ) |
| 509 | { |
| 510 | return false; |
| 511 | } |
| 512 | |
| 513 | HWND hwndParent = GetHwndOf(GetParent()); |
| 514 | for ( size_t item = 0; item < m_radioButtons->GetCount(); item++ ) |
| 515 | { |
| 516 | ::SetParent((*m_radioButtons)[item], hwndParent); |
| 517 | } |
| 518 | #ifdef __WXWINCE__ |
| 519 | // put static box under the buttons in the Z-order |
| 520 | SetWindowPos(GetHwnd(), HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE); |
| 521 | #endif |
| 522 | return true; |
| 523 | } |
| 524 | |
| 525 | WX_FORWARD_STD_METHODS_TO_SUBWINDOWS(wxRadioBox, wxStaticBox, m_radioButtons) |
| 526 | |
| 527 | // ---------------------------------------------------------------------------- |
| 528 | // size calculations |
| 529 | // ---------------------------------------------------------------------------- |
| 530 | |
| 531 | wxSize wxRadioBox::GetMaxButtonSize() const |
| 532 | { |
| 533 | // calculate the max button size |
| 534 | int widthMax = 0, |
| 535 | heightMax = 0; |
| 536 | const unsigned int count = GetCount(); |
| 537 | for ( unsigned int i = 0 ; i < count; i++ ) |
| 538 | { |
| 539 | int width, height; |
| 540 | if ( m_radioWidth[i] < 0 ) |
| 541 | { |
| 542 | GetTextExtent(wxGetWindowText((*m_radioButtons)[i]), &width, &height); |
| 543 | |
| 544 | // adjust the size to take into account the radio box itself |
| 545 | // FIXME this is totally bogus! |
| 546 | width += RADIO_SIZE; |
| 547 | height *= 3; |
| 548 | height /= 2; |
| 549 | } |
| 550 | else |
| 551 | { |
| 552 | width = m_radioWidth[i]; |
| 553 | height = m_radioHeight[i]; |
| 554 | } |
| 555 | |
| 556 | if ( widthMax < width ) |
| 557 | widthMax = width; |
| 558 | if ( heightMax < height ) |
| 559 | heightMax = height; |
| 560 | } |
| 561 | |
| 562 | return wxSize(widthMax, heightMax); |
| 563 | } |
| 564 | |
| 565 | wxSize wxRadioBox::GetTotalButtonSize(const wxSize& sizeBtn) const |
| 566 | { |
| 567 | // the radiobox should be big enough for its buttons |
| 568 | int cx1, cy1; |
| 569 | wxGetCharSize(m_hWnd, &cx1, &cy1, GetFont()); |
| 570 | |
| 571 | int extraHeight = cy1; |
| 572 | |
| 573 | int height = GetRowCount() * sizeBtn.y + cy1/2 + extraHeight; |
| 574 | int width = GetColumnCount() * (sizeBtn.x + cx1) + cx1; |
| 575 | |
| 576 | // Add extra space under the label, if it exists. |
| 577 | if (!wxControl::GetLabel().empty()) |
| 578 | height += cy1/2; |
| 579 | |
| 580 | // and also wide enough for its label |
| 581 | int widthLabel; |
| 582 | GetTextExtent(GetLabelText(), &widthLabel, NULL); |
| 583 | widthLabel += RADIO_SIZE; // FIXME this is bogus too |
| 584 | if ( widthLabel > width ) |
| 585 | width = widthLabel; |
| 586 | |
| 587 | return wxSize(width, height); |
| 588 | } |
| 589 | |
| 590 | wxSize wxRadioBox::DoGetBestSize() const |
| 591 | { |
| 592 | if ( !m_radioButtons ) |
| 593 | { |
| 594 | // if we're not fully initialized yet, we can't meaningfully compute |
| 595 | // our best size, we'll do it later |
| 596 | return wxSize(1, 1); |
| 597 | } |
| 598 | |
| 599 | wxSize best = GetTotalButtonSize(GetMaxButtonSize()); |
| 600 | CacheBestSize(best); |
| 601 | return best; |
| 602 | } |
| 603 | |
| 604 | void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags) |
| 605 | { |
| 606 | if ( (width == wxDefaultCoord && (sizeFlags & wxSIZE_AUTO_WIDTH)) || |
| 607 | (height == wxDefaultCoord && (sizeFlags & wxSIZE_AUTO_HEIGHT)) ) |
| 608 | { |
| 609 | // Attempt to have a look coherent with other platforms: We compute the |
| 610 | // biggest toggle dim, then we align all items according this value. |
| 611 | const wxSize totSize = GetTotalButtonSize(GetMaxButtonSize()); |
| 612 | |
| 613 | // only change our width/height if asked for |
| 614 | if ( width == wxDefaultCoord && (sizeFlags & wxSIZE_AUTO_WIDTH) ) |
| 615 | width = totSize.x; |
| 616 | |
| 617 | if ( height == wxDefaultCoord && (sizeFlags & wxSIZE_AUTO_HEIGHT) ) |
| 618 | height = totSize.y; |
| 619 | } |
| 620 | |
| 621 | wxStaticBox::DoSetSize(x, y, width, height); |
| 622 | } |
| 623 | |
| 624 | void wxRadioBox::DoMoveWindow(int x, int y, int width, int height) |
| 625 | { |
| 626 | wxStaticBox::DoMoveWindow(x, y, width, height); |
| 627 | |
| 628 | wxSize maxSize = GetMaxButtonSize(); |
| 629 | int maxWidth = maxSize.x, |
| 630 | maxHeight = maxSize.y; |
| 631 | |
| 632 | // Now position all the buttons: the current button will be put at |
| 633 | // wxPoint(x_offset, y_offset) and the new row/column will start at |
| 634 | // startX/startY. The size of all buttons will be the same wxSize(maxWidth, |
| 635 | // maxHeight) except for the buttons in the last column which should extend |
| 636 | // to the right border of radiobox and thus can be wider than this. |
| 637 | |
| 638 | // Also, remember that wxRA_SPECIFY_COLS means that we arrange buttons in |
| 639 | // left to right order and GetMajorDim() is the number of columns while |
| 640 | // wxRA_SPECIFY_ROWS means that the buttons are arranged top to bottom and |
| 641 | // GetMajorDim() is the number of rows. |
| 642 | |
| 643 | int cx1, cy1; |
| 644 | wxGetCharSize(m_hWnd, &cx1, &cy1, GetFont()); |
| 645 | |
| 646 | int x_offset = x + cx1; |
| 647 | int y_offset = y + cy1; |
| 648 | |
| 649 | // Add extra space under the label, if it exists. |
| 650 | if (!wxControl::GetLabel().empty()) |
| 651 | y_offset += cy1/2; |
| 652 | |
| 653 | int startX = x_offset; |
| 654 | int startY = y_offset; |
| 655 | |
| 656 | const unsigned int count = GetCount(); |
| 657 | for (unsigned int i = 0; i < count; i++) |
| 658 | { |
| 659 | // the last button in the row may be wider than the other ones as the |
| 660 | // radiobox may be wider than the sum of the button widths (as it |
| 661 | // happens, for example, when the radiobox label is very long) |
| 662 | bool isLastInTheRow; |
| 663 | if ( m_windowStyle & wxRA_SPECIFY_COLS ) |
| 664 | { |
| 665 | // item is the last in its row if it is a multiple of the number of |
| 666 | // columns or if it is just the last item |
| 667 | unsigned int n = i + 1; |
| 668 | isLastInTheRow = ((n % GetMajorDim()) == 0) || (n == count); |
| 669 | } |
| 670 | else // wxRA_SPECIFY_ROWS |
| 671 | { |
| 672 | // item is the last in the row if it is in the last columns |
| 673 | isLastInTheRow = i >= (count/GetMajorDim())*GetMajorDim(); |
| 674 | } |
| 675 | |
| 676 | // is this the start of new row/column? |
| 677 | if ( i && (i % GetMajorDim() == 0) ) |
| 678 | { |
| 679 | if ( m_windowStyle & wxRA_SPECIFY_ROWS ) |
| 680 | { |
| 681 | // start of new column |
| 682 | y_offset = startY; |
| 683 | x_offset += maxWidth + cx1; |
| 684 | } |
| 685 | else // start of new row |
| 686 | { |
| 687 | x_offset = startX; |
| 688 | y_offset += maxHeight; |
| 689 | if (m_radioWidth[0]>0) |
| 690 | y_offset += cy1/2; |
| 691 | } |
| 692 | } |
| 693 | |
| 694 | int widthBtn; |
| 695 | if ( isLastInTheRow ) |
| 696 | { |
| 697 | // make the button go to the end of radio box |
| 698 | widthBtn = startX + width - x_offset - 2*cx1; |
| 699 | if ( widthBtn < maxWidth ) |
| 700 | widthBtn = maxWidth; |
| 701 | } |
| 702 | else |
| 703 | { |
| 704 | // normal button, always of the same size |
| 705 | widthBtn = maxWidth; |
| 706 | } |
| 707 | |
| 708 | // make all buttons of the same, maximal size - like this they cover |
| 709 | // the radiobox entirely and the radiobox tooltips are always shown |
| 710 | // (otherwise they are not when the mouse pointer is in the radiobox |
| 711 | // part not belonging to any radiobutton) |
| 712 | DoMoveSibling((*m_radioButtons)[i], x_offset, y_offset, widthBtn, maxHeight); |
| 713 | |
| 714 | // where do we put the next button? |
| 715 | if ( m_windowStyle & wxRA_SPECIFY_ROWS ) |
| 716 | { |
| 717 | // below this one |
| 718 | y_offset += maxHeight; |
| 719 | if (m_radioWidth[0]>0) |
| 720 | y_offset += cy1/2; |
| 721 | } |
| 722 | else |
| 723 | { |
| 724 | // to the right of this one |
| 725 | x_offset += widthBtn + cx1; |
| 726 | } |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | int wxRadioBox::GetItemFromPoint(const wxPoint& pt) const |
| 731 | { |
| 732 | const unsigned int count = GetCount(); |
| 733 | for ( unsigned int i = 0; i < count; i++ ) |
| 734 | { |
| 735 | RECT rect = wxGetWindowRect((*m_radioButtons)[i]); |
| 736 | |
| 737 | if ( rect.left <= pt.x && pt.x < rect.right && |
| 738 | rect.top <= pt.y && pt.y < rect.bottom ) |
| 739 | { |
| 740 | return i; |
| 741 | } |
| 742 | } |
| 743 | |
| 744 | return wxNOT_FOUND; |
| 745 | } |
| 746 | |
| 747 | // ---------------------------------------------------------------------------- |
| 748 | // radio box drawing |
| 749 | // ---------------------------------------------------------------------------- |
| 750 | |
| 751 | #ifndef __WXWINCE__ |
| 752 | |
| 753 | WXHRGN wxRadioBox::MSWGetRegionWithoutChildren() |
| 754 | { |
| 755 | RECT rc; |
| 756 | ::GetWindowRect(GetHwnd(), &rc); |
| 757 | HRGN hrgn = ::CreateRectRgn(rc.left, rc.top, rc.right + 1, rc.bottom + 1); |
| 758 | |
| 759 | const unsigned int count = GetCount(); |
| 760 | for ( unsigned int i = 0; i < count; ++i ) |
| 761 | { |
| 762 | // don't clip out hidden children |
| 763 | if ( !IsItemShown(i) ) |
| 764 | continue; |
| 765 | |
| 766 | ::GetWindowRect((*m_radioButtons)[i], &rc); |
| 767 | AutoHRGN hrgnchild(::CreateRectRgnIndirect(&rc)); |
| 768 | ::CombineRgn(hrgn, hrgn, hrgnchild, RGN_DIFF); |
| 769 | } |
| 770 | |
| 771 | return (WXHRGN)hrgn; |
| 772 | } |
| 773 | |
| 774 | #endif // __WXWINCE__ |
| 775 | |
| 776 | // --------------------------------------------------------------------------- |
| 777 | // window proc for radio buttons |
| 778 | // --------------------------------------------------------------------------- |
| 779 | |
| 780 | LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hwnd, |
| 781 | UINT message, |
| 782 | WPARAM wParam, |
| 783 | LPARAM lParam) |
| 784 | { |
| 785 | |
| 786 | wxRadioBox * const radiobox = wxRadioBox::GetFromRadioButtonHWND(hwnd); |
| 787 | wxCHECK_MSG( radiobox, 0, wxT("Should have the associated radio box") ); |
| 788 | |
| 789 | switch ( message ) |
| 790 | { |
| 791 | case WM_GETDLGCODE: |
| 792 | // we must tell IsDialogMessage()/our kbd processing code that we |
| 793 | // want to process arrows ourselves because neither of them is |
| 794 | // smart enough to handle arrows properly for us |
| 795 | { |
| 796 | long lDlgCode = ::CallWindowProc(CASTWNDPROC s_wndprocRadioBtn, hwnd, |
| 797 | message, wParam, lParam); |
| 798 | |
| 799 | return lDlgCode | DLGC_WANTARROWS; |
| 800 | } |
| 801 | |
| 802 | case WM_KEYDOWN: |
| 803 | { |
| 804 | bool processed = true; |
| 805 | |
| 806 | wxDirection dir; |
| 807 | switch ( wParam ) |
| 808 | { |
| 809 | case VK_UP: |
| 810 | dir = wxUP; |
| 811 | break; |
| 812 | |
| 813 | case VK_LEFT: |
| 814 | dir = wxLEFT; |
| 815 | break; |
| 816 | |
| 817 | case VK_DOWN: |
| 818 | dir = wxDOWN; |
| 819 | break; |
| 820 | |
| 821 | case VK_RIGHT: |
| 822 | dir = wxRIGHT; |
| 823 | break; |
| 824 | |
| 825 | default: |
| 826 | processed = false; |
| 827 | |
| 828 | // just to suppress the compiler warning |
| 829 | dir = wxALL; |
| 830 | } |
| 831 | |
| 832 | if ( processed ) |
| 833 | { |
| 834 | int selOld = radiobox->GetSelection(); |
| 835 | int selNew = radiobox->GetNextItem |
| 836 | ( |
| 837 | selOld, |
| 838 | dir, |
| 839 | radiobox->GetWindowStyle() |
| 840 | ); |
| 841 | |
| 842 | if ( selNew != selOld ) |
| 843 | { |
| 844 | radiobox->SetSelection(selNew); |
| 845 | radiobox->SetFocus(); |
| 846 | |
| 847 | // emulate the button click |
| 848 | radiobox->SendNotificationEvent(); |
| 849 | |
| 850 | return 0; |
| 851 | } |
| 852 | } |
| 853 | } |
| 854 | break; |
| 855 | |
| 856 | case WM_SETFOCUS: |
| 857 | case WM_KILLFOCUS: |
| 858 | { |
| 859 | // if we don't do this, no focus events are generated for the |
| 860 | // radiobox and, besides, we need to notify the parent about |
| 861 | // the focus change, otherwise the focus handling logic in |
| 862 | // wxControlContainer doesn't work |
| 863 | if ( message == WM_SETFOCUS ) |
| 864 | radiobox->HandleSetFocus((WXHWND)wParam); |
| 865 | else |
| 866 | radiobox->HandleKillFocus((WXHWND)wParam); |
| 867 | } |
| 868 | break; |
| 869 | |
| 870 | #ifndef __WXWINCE__ |
| 871 | case WM_HELP: |
| 872 | { |
| 873 | bool processed = false; |
| 874 | |
| 875 | wxEvtHandler * const handler = radiobox->GetEventHandler(); |
| 876 | |
| 877 | HELPINFO* info = (HELPINFO*) lParam; |
| 878 | if ( info->iContextType == HELPINFO_WINDOW ) |
| 879 | { |
| 880 | for ( wxWindow* subjectOfHelp = radiobox; |
| 881 | subjectOfHelp; |
| 882 | subjectOfHelp = subjectOfHelp->GetParent() ) |
| 883 | { |
| 884 | wxHelpEvent helpEvent(wxEVT_HELP, |
| 885 | subjectOfHelp->GetId(), |
| 886 | wxPoint(info->MousePos.x, |
| 887 | info->MousePos.y)); |
| 888 | helpEvent.SetEventObject(radiobox); |
| 889 | if ( handler->ProcessEvent(helpEvent) ) |
| 890 | { |
| 891 | processed = true; |
| 892 | break; |
| 893 | } |
| 894 | } |
| 895 | } |
| 896 | else if (info->iContextType == HELPINFO_MENUITEM) |
| 897 | { |
| 898 | wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId); |
| 899 | helpEvent.SetEventObject(radiobox); |
| 900 | processed = handler->ProcessEvent(helpEvent); |
| 901 | } |
| 902 | |
| 903 | if ( processed ) |
| 904 | return 0; |
| 905 | } |
| 906 | break; |
| 907 | #endif // !__WXWINCE__ |
| 908 | } |
| 909 | |
| 910 | return ::CallWindowProc(CASTWNDPROC s_wndprocRadioBtn, hwnd, message, wParam, lParam); |
| 911 | } |
| 912 | |
| 913 | #endif // wxUSE_RADIOBOX |