| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/os2/radiobox.cpp |
| 3 | // Purpose: wxRadioBox |
| 4 | // Author: David Webster |
| 5 | // Modified by: |
| 6 | // Created: 10/12/99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) David Webster |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #if wxUSE_RADIOBOX |
| 16 | |
| 17 | #include "wx/radiobox.h" |
| 18 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include <stdio.h> |
| 21 | #include "wx/crt.h" |
| 22 | #include "wx/string.h" |
| 23 | #include "wx/bitmap.h" |
| 24 | #include "wx/brush.h" |
| 25 | #endif |
| 26 | |
| 27 | #include "wx/os2/private.h" |
| 28 | |
| 29 | IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl) |
| 30 | |
| 31 | // --------------------------------------------------------------------------- |
| 32 | // private functions |
| 33 | // --------------------------------------------------------------------------- |
| 34 | |
| 35 | // wnd proc for radio buttons |
| 36 | MRESULT EXPENTRY wxRadioBtnWndProc( HWND hWnd |
| 37 | ,UINT uMessage |
| 38 | ,MPARAM wParam |
| 39 | ,MPARAM lParam |
| 40 | ); |
| 41 | MRESULT EXPENTRY wxRadioBoxWndProc( HWND hWnd |
| 42 | ,UINT uMessage |
| 43 | ,MPARAM wParam |
| 44 | ,MPARAM lParam |
| 45 | ); |
| 46 | |
| 47 | // --------------------------------------------------------------------------- |
| 48 | // global vars |
| 49 | // --------------------------------------------------------------------------- |
| 50 | |
| 51 | extern void wxAssociateWinWithHandle( HWND hWnd |
| 52 | ,wxWindowOS2* pWin |
| 53 | ); |
| 54 | extern void wxRemoveHandleAssociation( wxWindowOS2 *pWin ); |
| 55 | // the pointer to standard radio button & box wnd procs |
| 56 | static WXFARPROC fnWndProcRadioBtn = NULL; |
| 57 | static WXFARPROC fnWndProcRadioBox = NULL; |
| 58 | |
| 59 | // =========================================================================== |
| 60 | // implementation |
| 61 | // =========================================================================== |
| 62 | |
| 63 | // --------------------------------------------------------------------------- |
| 64 | // wxRadioBox |
| 65 | // --------------------------------------------------------------------------- |
| 66 | |
| 67 | // Radio box item |
| 68 | wxRadioBox::wxRadioBox() |
| 69 | { |
| 70 | m_nSelectedButton = -1; |
| 71 | m_nNoItems = 0; |
| 72 | m_ahRadioButtons = NULL; |
| 73 | m_pnRadioWidth = NULL; |
| 74 | m_pnRadioHeight = NULL; |
| 75 | } // end of wxRadioBox::wxRadioBox |
| 76 | |
| 77 | wxRadioBox::~wxRadioBox() |
| 78 | { |
| 79 | SendDestroyEvent(); |
| 80 | |
| 81 | if (m_hWnd) |
| 82 | wxRemoveHandleAssociation(this); |
| 83 | if (m_ahRadioButtons) |
| 84 | { |
| 85 | for (unsigned int i = 0; i < m_nNoItems; i++) |
| 86 | { |
| 87 | wxWindow* pWin = wxFindWinFromHandle((WXHWND)m_ahRadioButtons[i]); |
| 88 | wxRemoveHandleAssociation(pWin); |
| 89 | |
| 90 | ::WinDestroyWindow((HWND)m_ahRadioButtons[i]); |
| 91 | } |
| 92 | delete[] m_ahRadioButtons; |
| 93 | } |
| 94 | if (m_pnRadioWidth) |
| 95 | delete[] m_pnRadioWidth; |
| 96 | if (m_pnRadioHeight) |
| 97 | delete[] m_pnRadioHeight; |
| 98 | } // end of wxRadioBox::~wxRadioBox |
| 99 | |
| 100 | void wxRadioBox::Command ( wxCommandEvent& rEvent ) |
| 101 | { |
| 102 | SetSelection (rEvent.GetInt()); |
| 103 | ProcessCommand(rEvent); |
| 104 | } // end of wxRadioBox::Command |
| 105 | |
| 106 | bool wxRadioBox::ContainsHWND( WXHWND hWnd ) const |
| 107 | { |
| 108 | unsigned int nCount = GetCount(); |
| 109 | unsigned int i; |
| 110 | |
| 111 | for (i = 0; i < nCount; i++) |
| 112 | { |
| 113 | if (GetRadioButtons()[i] == hWnd) |
| 114 | return true; |
| 115 | } |
| 116 | return false; |
| 117 | } // end of wxRadioBox::ContainsHWND |
| 118 | |
| 119 | bool wxRadioBox::Create( wxWindow* pParent, |
| 120 | wxWindowID vId, |
| 121 | const wxString& rsTitle, |
| 122 | const wxPoint& rPos, |
| 123 | const wxSize& rSize, |
| 124 | const wxArrayString& asChoices, |
| 125 | int nMajorDim, |
| 126 | long lStyle, |
| 127 | const wxValidator& rVal, |
| 128 | const wxString& rsName ) |
| 129 | { |
| 130 | wxCArrayString chs(asChoices); |
| 131 | |
| 132 | return Create(pParent, vId, rsTitle, rPos, rSize, chs.GetCount(), |
| 133 | chs.GetStrings(), nMajorDim, lStyle, rVal, rsName); |
| 134 | } |
| 135 | |
| 136 | bool wxRadioBox::Create( wxWindow* pParent, |
| 137 | wxWindowID vId, |
| 138 | const wxString& rsTitle, |
| 139 | const wxPoint& rPos, |
| 140 | const wxSize& rSize, |
| 141 | int nNum, |
| 142 | const wxString asChoices[], |
| 143 | int nMajorDim, |
| 144 | long lStyle, |
| 145 | const wxValidator& rVal, |
| 146 | const wxString& rsName ) |
| 147 | { |
| 148 | wxColour vColour(*wxBLACK); |
| 149 | LONG lColor; |
| 150 | HWND hWndParent = GetHwndOf(pParent); |
| 151 | |
| 152 | m_backgroundColour = pParent->GetBackgroundColour(); |
| 153 | m_nSelectedButton = -1; |
| 154 | m_nNoItems = 0; |
| 155 | |
| 156 | // |
| 157 | // Common initialization |
| 158 | // |
| 159 | if (!CreateControl( pParent |
| 160 | ,vId |
| 161 | ,rPos |
| 162 | ,rSize |
| 163 | ,lStyle |
| 164 | ,rVal |
| 165 | ,rsName |
| 166 | )) |
| 167 | return false; |
| 168 | if (!OS2CreateControl( wxT("STATIC") |
| 169 | ,SS_GROUPBOX |
| 170 | ,rPos |
| 171 | ,rSize |
| 172 | ,rsTitle |
| 173 | )) |
| 174 | return false; |
| 175 | |
| 176 | wxAssociateWinWithHandle(m_hWnd, this); |
| 177 | |
| 178 | // |
| 179 | // Now we can set m_nNoItems and let SetMajorDim set m_numCols/m_numRows |
| 180 | // |
| 181 | m_nNoItems = (unsigned int)nNum; |
| 182 | SetMajorDim(nMajorDim == 0 ? nNum : nMajorDim, lStyle); |
| 183 | |
| 184 | m_ahRadioButtons = new WXHWND[nNum]; |
| 185 | m_pnRadioWidth = new int[nNum]; |
| 186 | m_pnRadioHeight = new int[nNum]; |
| 187 | |
| 188 | for (int i = 0; i < nNum; i++) |
| 189 | { |
| 190 | m_pnRadioWidth[i] = m_pnRadioHeight[i] = -1; |
| 191 | long lStyleBtn = BS_AUTORADIOBUTTON | WS_VISIBLE; |
| 192 | int nNewId = NewControlId(); |
| 193 | |
| 194 | if (i == 0) |
| 195 | lStyleBtn |= WS_GROUP | WS_TABSTOP; |
| 196 | |
| 197 | wxString sLabel = ::wxPMTextToLabel(asChoices[i]); |
| 198 | |
| 199 | HWND hWndBtn = (WXHWND)::WinCreateWindow ( hWndParent, |
| 200 | WC_BUTTON, |
| 201 | sLabel.c_str(), |
| 202 | lStyleBtn, |
| 203 | 0, 0, 0, 0, |
| 204 | hWndParent, |
| 205 | HWND_BOTTOM, |
| 206 | (HMENU)nNewId, |
| 207 | NULL, |
| 208 | NULL |
| 209 | ); |
| 210 | if (!hWndBtn) |
| 211 | { |
| 212 | return false; |
| 213 | } |
| 214 | lColor = (LONG)vColour.GetPixel(); |
| 215 | ::WinSetPresParam( hWndBtn |
| 216 | ,PP_FOREGROUNDCOLOR |
| 217 | ,sizeof(LONG) |
| 218 | ,(PVOID)&lColor |
| 219 | ); |
| 220 | |
| 221 | lColor = (LONG)m_backgroundColour.GetPixel(); |
| 222 | ::WinSetPresParam( hWndBtn |
| 223 | ,PP_BACKGROUNDCOLOR |
| 224 | ,sizeof(LONG) |
| 225 | ,(PVOID)&lColor |
| 226 | ); |
| 227 | m_ahRadioButtons[i] = (WXHWND)hWndBtn; |
| 228 | SubclassRadioButton((WXHWND)hWndBtn); |
| 229 | wxAssociateWinWithHandle(hWndBtn, this); |
| 230 | wxOS2SetFont( hWndBtn |
| 231 | ,*wxSMALL_FONT |
| 232 | ); |
| 233 | ::WinSetWindowULong(hWndBtn, QWL_USER, (ULONG)this); |
| 234 | m_aSubControls.Add(nNewId); |
| 235 | } |
| 236 | |
| 237 | // |
| 238 | // Create a dummy control to end the group. |
| 239 | // |
| 240 | (void)::WinCreateWindow ( hWndParent, |
| 241 | WC_BUTTON, |
| 242 | "", |
| 243 | WS_GROUP, |
| 244 | 0, 0, 0, 0, |
| 245 | hWndParent, |
| 246 | HWND_TOP, |
| 247 | (HMENU)NewControlId(), |
| 248 | NULL, |
| 249 | NULL |
| 250 | ); |
| 251 | fnWndProcRadioBox = (WXFARPROC)::WinSubclassWindow( GetHwnd() |
| 252 | ,(PFNWP)wxRadioBoxWndProc |
| 253 | ); |
| 254 | ::WinSetWindowULong(GetHwnd(), QWL_USER, (ULONG)this); |
| 255 | lColor = (LONG)vColour.GetPixel(); |
| 256 | ::WinSetPresParam( m_hWnd |
| 257 | ,PP_FOREGROUNDCOLOR |
| 258 | ,sizeof(LONG) |
| 259 | ,(PVOID)&lColor |
| 260 | ); |
| 261 | |
| 262 | lColor = (LONG)m_backgroundColour.GetPixel(); |
| 263 | ::WinSetPresParam( m_hWnd |
| 264 | ,PP_BACKGROUNDCOLOR |
| 265 | ,sizeof(LONG) |
| 266 | ,(PVOID)&lColor |
| 267 | ); |
| 268 | SetXComp(0); |
| 269 | SetYComp(0); |
| 270 | SetSelection(0); |
| 271 | SetSize( rPos.x |
| 272 | ,rPos.y |
| 273 | ,rSize.x |
| 274 | ,rSize.y |
| 275 | ); |
| 276 | return true; |
| 277 | } // end of wxRadioBox::Create |
| 278 | |
| 279 | wxSize wxRadioBox::DoGetBestSize() const |
| 280 | { |
| 281 | return (GetTotalButtonSize(GetMaxButtonSize())); |
| 282 | } // end of wxRadioBox::DoGetBestSize |
| 283 | |
| 284 | void wxRadioBox::DoSetSize( |
| 285 | int nX |
| 286 | , int nY |
| 287 | , int nWidth |
| 288 | , int nHeight |
| 289 | , int nSizeFlags |
| 290 | ) |
| 291 | { |
| 292 | // |
| 293 | // Input parameters assume wxWidgets coordinate system |
| 294 | // |
| 295 | int nCurrentX; |
| 296 | int nCurrentY; |
| 297 | int nWidthOld; |
| 298 | int nHeightOld; |
| 299 | int nXx = nX; |
| 300 | int nYy = nY; |
| 301 | int nXOffset = nXx; |
| 302 | int nYOffset = nYy; |
| 303 | int nCx1; |
| 304 | int nCy1; |
| 305 | wxSize vMaxSize = GetMaxButtonSize(); |
| 306 | int nMaxWidth; |
| 307 | int nMaxHeight; |
| 308 | wxSize vTotSize; |
| 309 | int nTotWidth; |
| 310 | int nTotHeight; |
| 311 | int nStartX; |
| 312 | int nStartY; |
| 313 | wxFont vFont = GetFont(); |
| 314 | |
| 315 | m_nSizeFlags = nSizeFlags; |
| 316 | GetPosition( &nCurrentX |
| 317 | ,&nCurrentY |
| 318 | ); |
| 319 | GetSize( &nWidthOld |
| 320 | ,&nHeightOld |
| 321 | ); |
| 322 | |
| 323 | if (nX == wxDefaultCoord && !(nSizeFlags & wxSIZE_ALLOW_MINUS_ONE)) |
| 324 | nXx = nCurrentX; |
| 325 | if (nY == wxDefaultCoord && !(nSizeFlags & wxSIZE_ALLOW_MINUS_ONE)) |
| 326 | nYy = nCurrentY; |
| 327 | if (nYy < 0) |
| 328 | nYy = 0; |
| 329 | if (nXx < 0) |
| 330 | nXx = 0; |
| 331 | |
| 332 | wxGetCharSize( m_hWnd |
| 333 | ,&nCx1 |
| 334 | ,&nCy1 |
| 335 | ,&vFont |
| 336 | ); |
| 337 | |
| 338 | // |
| 339 | // Attempt to have a look coherent with other platforms: We compute the |
| 340 | // biggest toggle dim, then we align all items according this value. |
| 341 | // |
| 342 | vMaxSize = GetMaxButtonSize(); |
| 343 | nMaxWidth = vMaxSize.x; |
| 344 | nMaxHeight = vMaxSize.y; |
| 345 | |
| 346 | vTotSize = GetTotalButtonSize(vMaxSize); |
| 347 | nTotWidth = vTotSize.x; |
| 348 | nTotHeight = vTotSize.y; |
| 349 | |
| 350 | // |
| 351 | // Only change our width/height if asked for |
| 352 | // |
| 353 | if (nWidth == -1) |
| 354 | { |
| 355 | if (nSizeFlags & wxSIZE_AUTO_WIDTH ) |
| 356 | nWidth = nTotWidth; |
| 357 | else |
| 358 | nWidth = nWidthOld; |
| 359 | } |
| 360 | |
| 361 | if (nHeight == -1) |
| 362 | { |
| 363 | if (nSizeFlags & wxSIZE_AUTO_HEIGHT) |
| 364 | nHeight = nTotHeight; |
| 365 | else |
| 366 | nHeight = nHeightOld; |
| 367 | } |
| 368 | |
| 369 | // |
| 370 | // Now convert to OS/2 coordinate system |
| 371 | // |
| 372 | wxWindowOS2* pParent = (wxWindowOS2*)GetParent(); |
| 373 | if (pParent) |
| 374 | nYy = GetOS2ParentHeight(pParent) - nYy - nHeight; |
| 375 | else |
| 376 | { |
| 377 | RECTL vRect; |
| 378 | ::WinQueryWindowRect(HWND_DESKTOP, &vRect); |
| 379 | nYy = vRect.yTop - nYy - nHeight; |
| 380 | } |
| 381 | nYOffset = nYy + nHeight; |
| 382 | ::WinSetWindowPos( GetHwnd() |
| 383 | ,HWND_TOP |
| 384 | ,(LONG)nXx |
| 385 | ,(LONG)nYy |
| 386 | ,(LONG)nWidth |
| 387 | ,(LONG)nHeight |
| 388 | ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW |
| 389 | ); |
| 390 | |
| 391 | // |
| 392 | // Now position all the buttons: the current button will be put at |
| 393 | // wxPoint(x_offset, y_offset) and the new row/column will start at |
| 394 | // startX/startY. The size of all buttons will be the same wxSize(maxWidth, |
| 395 | // maxHeight) except for the buttons in the last column which should extend |
| 396 | // to the right border of radiobox and thus can be wider than this. |
| 397 | // |
| 398 | // Also, remember that wxRA_SPECIFY_COLS means that we arrange buttons in |
| 399 | // left to right order and m_majorDim is the number of columns while |
| 400 | // wxRA_SPECIFY_ROWS means that the buttons are arranged top to bottom and |
| 401 | // m_majorDim is the number of rows. |
| 402 | // |
| 403 | nXOffset += nCx1; |
| 404 | nYOffset -= (nMaxHeight + ((3*nCy1)/2)); |
| 405 | |
| 406 | nStartX = nXOffset; |
| 407 | nStartY = nYOffset; |
| 408 | |
| 409 | for (unsigned int i = 0; i < m_nNoItems; i++) |
| 410 | { |
| 411 | // |
| 412 | // The last button in the row may be wider than the other ones as the |
| 413 | // radiobox may be wider than the sum of the button widths (as it |
| 414 | // happens, for example, when the radiobox label is very long) |
| 415 | // |
| 416 | bool bIsLastInTheRow; |
| 417 | |
| 418 | if (m_windowStyle & wxRA_SPECIFY_COLS) |
| 419 | { |
| 420 | // |
| 421 | // Item is the last in its row if it is a multiple of the number of |
| 422 | // columns or if it is just the last item |
| 423 | // |
| 424 | int n = i + 1; |
| 425 | |
| 426 | bIsLastInTheRow = ((n % GetMajorDim()) == 0) || (n == (int)m_nNoItems); |
| 427 | } |
| 428 | else // winRA_SPECIFY_ROWS |
| 429 | { |
| 430 | // |
| 431 | // Item is the last in the row if it is in the last columns |
| 432 | // |
| 433 | bIsLastInTheRow = i >= (m_nNoItems/GetMajorDim()) * GetMajorDim(); |
| 434 | } |
| 435 | |
| 436 | // |
| 437 | // Is this the start of new row/column? |
| 438 | // |
| 439 | if (i && (i % GetMajorDim() == 0)) |
| 440 | { |
| 441 | if (m_windowStyle & wxRA_SPECIFY_ROWS) |
| 442 | { |
| 443 | // |
| 444 | // Start of new column |
| 445 | // |
| 446 | nYOffset = nStartY; |
| 447 | nXOffset += nMaxWidth + nCx1; |
| 448 | } |
| 449 | else // start of new row |
| 450 | { |
| 451 | nXOffset = nStartX; |
| 452 | nYOffset -= nMaxHeight; |
| 453 | if (m_pnRadioWidth[0] > 0L) |
| 454 | nYOffset -= nCy1/2; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | int nWidthBtn; |
| 459 | |
| 460 | if (bIsLastInTheRow) |
| 461 | { |
| 462 | // |
| 463 | // Make the button go to the end of radio box |
| 464 | // |
| 465 | nWidthBtn = nStartX + nWidth - nXOffset - (2 * nCx1); |
| 466 | if (nWidthBtn < nMaxWidth) |
| 467 | nWidthBtn = nMaxWidth; |
| 468 | } |
| 469 | else |
| 470 | { |
| 471 | // |
| 472 | // Normal button, always of the same size |
| 473 | // |
| 474 | nWidthBtn = nMaxWidth; |
| 475 | } |
| 476 | |
| 477 | // |
| 478 | // Make all buttons of the same, maximal size - like this they |
| 479 | // cover the radiobox entirely and the radiobox tooltips are always |
| 480 | // shown (otherwise they are not when the mouse pointer is in the |
| 481 | // radiobox part not belonging to any radiobutton) |
| 482 | // |
| 483 | ::WinSetWindowPos( (HWND)m_ahRadioButtons[i] |
| 484 | ,HWND_BOTTOM |
| 485 | ,(LONG)nXOffset |
| 486 | ,(LONG)nYOffset |
| 487 | ,(LONG)nWidthBtn |
| 488 | ,(LONG)nMaxHeight |
| 489 | ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW |
| 490 | ); |
| 491 | // |
| 492 | // Where do we put the next button? |
| 493 | // |
| 494 | if (m_windowStyle & wxRA_SPECIFY_ROWS) |
| 495 | { |
| 496 | // |
| 497 | // Below this one |
| 498 | // |
| 499 | nYOffset -= nMaxHeight; |
| 500 | if (m_pnRadioWidth[0] > 0) |
| 501 | nYOffset -= nCy1/2; |
| 502 | } |
| 503 | else |
| 504 | { |
| 505 | // |
| 506 | // To the right of this one |
| 507 | // |
| 508 | nXOffset += nWidthBtn + nCx1; |
| 509 | } |
| 510 | } |
| 511 | } // end of wxRadioBox::DoSetSize |
| 512 | |
| 513 | bool wxRadioBox::Enable(unsigned int nItem, bool bEnable) |
| 514 | { |
| 515 | wxCHECK_MSG( IsValid(nItem), false, |
| 516 | wxT("invalid item in wxRadioBox::Enable()") ); |
| 517 | |
| 518 | ::WinEnableWindow((HWND) m_ahRadioButtons[nItem], bEnable); |
| 519 | return true; |
| 520 | } // end of wxRadioBox::Enable |
| 521 | |
| 522 | bool wxRadioBox::Enable(bool bEnable) |
| 523 | { |
| 524 | if ( !wxControl::Enable(bEnable) ) |
| 525 | return false; |
| 526 | for (unsigned int i = 0; i < m_nNoItems; i++) |
| 527 | ::WinEnableWindow((HWND)m_ahRadioButtons[i], bEnable); |
| 528 | return true; |
| 529 | } // end of wxRadioBox::Enable |
| 530 | |
| 531 | unsigned int wxRadioBox::GetCount() const |
| 532 | { |
| 533 | return m_nNoItems; |
| 534 | } // end of wxRadioBox::GetCount |
| 535 | |
| 536 | wxString wxRadioBox::GetLabel(int nItem) const |
| 537 | { |
| 538 | wxCHECK_MSG( IsValid(nItem), wxEmptyString, wxT("invalid radiobox index") ); |
| 539 | |
| 540 | return wxGetWindowText(m_ahRadioButtons[nItem]); |
| 541 | } // end of wxRadioBox::GetLabel |
| 542 | |
| 543 | wxSize wxRadioBox::GetMaxButtonSize() const |
| 544 | { |
| 545 | int nWidthMax = 0; |
| 546 | int nHeightMax = 0; |
| 547 | |
| 548 | for (unsigned int i = 0 ; i < m_nNoItems; i++) |
| 549 | { |
| 550 | int nWidth; |
| 551 | int nHeight; |
| 552 | |
| 553 | if (m_pnRadioWidth[i] < 0L) |
| 554 | { |
| 555 | GetTextExtent( wxGetWindowText(m_ahRadioButtons[i]) |
| 556 | ,&nWidth |
| 557 | ,&nHeight |
| 558 | ); |
| 559 | |
| 560 | // |
| 561 | // Adjust the size to take into account the radio box itself |
| 562 | // FIXME this is totally bogus! |
| 563 | // |
| 564 | nWidth += RADIO_SIZE; |
| 565 | nHeight *= 3; |
| 566 | nHeight /= 2; |
| 567 | } |
| 568 | else |
| 569 | { |
| 570 | nWidth = m_pnRadioWidth[i]; |
| 571 | nHeight = m_pnRadioHeight[i]; |
| 572 | } |
| 573 | if (nWidthMax < nWidth ) |
| 574 | nWidthMax = nWidth; |
| 575 | if (nHeightMax < nHeight ) |
| 576 | nHeightMax = nHeight; |
| 577 | } |
| 578 | wxSize maxsize( nWidthMax, nHeightMax); |
| 579 | return maxsize; |
| 580 | } // end of wxRadioBox::GetMaxButtonSize |
| 581 | |
| 582 | // Get single selection, for single choice list items |
| 583 | int wxRadioBox::GetSelection() const |
| 584 | { |
| 585 | return m_nSelectedButton; |
| 586 | } // end of wxRadioBox::GetSelection |
| 587 | |
| 588 | void wxRadioBox::GetSize( int* pnWidth, int* pnHeight ) const |
| 589 | { |
| 590 | RECT vRect; |
| 591 | |
| 592 | vRect.xLeft = -1; |
| 593 | vRect.xRight = -1; |
| 594 | vRect.yTop = -1; |
| 595 | vRect.yBottom = -1; |
| 596 | |
| 597 | if (m_hWnd) |
| 598 | wxFindMaxSize( m_hWnd, &vRect ); |
| 599 | |
| 600 | for (unsigned int i = 0; i < m_nNoItems; i++) |
| 601 | wxFindMaxSize( m_ahRadioButtons[i], &vRect ); |
| 602 | |
| 603 | if (pnWidth) |
| 604 | *pnWidth = vRect.xRight - vRect.xLeft; |
| 605 | if (pnHeight) |
| 606 | *pnHeight = vRect.yTop - vRect.yBottom; |
| 607 | } // end of wxRadioBox::GetSize |
| 608 | |
| 609 | // Find string for position |
| 610 | wxString wxRadioBox::GetString(unsigned int nNum) const |
| 611 | { |
| 612 | wxCHECK_MSG( IsValid(nNum), wxEmptyString, wxT("invalid radiobox index") ); |
| 613 | return wxGetWindowText(m_ahRadioButtons[nNum]); |
| 614 | } // end of wxRadioBox::GetString |
| 615 | |
| 616 | // For single selection items only |
| 617 | wxString wxRadioBox::GetStringSelection() const |
| 618 | { |
| 619 | wxString sResult; |
| 620 | int nSel = GetSelection(); |
| 621 | |
| 622 | if (nSel != wxNOT_FOUND) |
| 623 | sResult = GetString(nSel); |
| 624 | |
| 625 | return sResult; |
| 626 | } // end of wxRadioBox::GetStringSelection |
| 627 | |
| 628 | wxSize wxRadioBox::GetTotalButtonSize( const wxSize& rSizeBtn ) const |
| 629 | { |
| 630 | int nCx1; |
| 631 | int nCy1; |
| 632 | int nHeight; |
| 633 | int nWidth; |
| 634 | int nWidthLabel = 0; |
| 635 | |
| 636 | nCx1 = GetCharWidth(); |
| 637 | nCy1 = GetCharHeight(); |
| 638 | nHeight = GetRowCount() * rSizeBtn.y + (2 * nCy1); |
| 639 | nWidth = GetColumnCount() * (rSizeBtn.x + nCx1) + nCx1; |
| 640 | |
| 641 | // |
| 642 | // And also wide enough for its label |
| 643 | // |
| 644 | wxString sStr = wxGetWindowText(GetHwnd()); |
| 645 | if (!sStr.empty()) |
| 646 | { |
| 647 | GetTextExtent( sStr |
| 648 | ,&nWidthLabel |
| 649 | ,NULL |
| 650 | ); |
| 651 | nWidthLabel += 2*nCx1; |
| 652 | } |
| 653 | if (nWidthLabel > nWidth) |
| 654 | nWidth = nWidthLabel; |
| 655 | |
| 656 | wxSize total( nWidth, nHeight ); |
| 657 | return total; |
| 658 | } // end of wxRadioBox::GetTotalButtonSize |
| 659 | |
| 660 | WXHBRUSH wxRadioBox::OnCtlColor( WXHDC hwinDC, |
| 661 | WXHWND WXUNUSED(hWnd), |
| 662 | WXUINT WXUNUSED(uCtlColor), |
| 663 | WXUINT WXUNUSED(uMessage), |
| 664 | WXWPARAM WXUNUSED(wParam), |
| 665 | WXLPARAM WXUNUSED(lParam) ) |
| 666 | { |
| 667 | HPS hPS = (HPS)hwinDC; // pass in a PS handle in OS/2 |
| 668 | |
| 669 | if (GetParent()->GetTransparentBackground()) |
| 670 | ::GpiSetBackMix(hPS, BM_LEAVEALONE); |
| 671 | else |
| 672 | ::GpiSetBackMix(hPS, BM_OVERPAINT); |
| 673 | |
| 674 | wxColour vColBack = GetBackgroundColour(); |
| 675 | |
| 676 | ::GpiSetBackColor(hPS, vColBack.GetPixel()); |
| 677 | ::GpiSetColor(hPS, vColBack.GetPixel()); |
| 678 | |
| 679 | wxBrush* pBrush = wxTheBrushList->FindOrCreateBrush( vColBack, wxSOLID ); |
| 680 | return ((WXHBRUSH)pBrush->GetResourceHandle()); |
| 681 | } // end of wxRadioBox::OnCtlColor |
| 682 | |
| 683 | bool wxRadioBox::OS2Command( WXUINT uCmd, |
| 684 | WXWORD wId) |
| 685 | { |
| 686 | int nSelectedButton = -1; |
| 687 | |
| 688 | if (uCmd == BN_CLICKED) |
| 689 | { |
| 690 | if (wId == GetId()) |
| 691 | return true; |
| 692 | |
| 693 | for (unsigned int i = 0; i < m_nNoItems; i++) |
| 694 | { |
| 695 | if (wId == wxGetWindowId(m_ahRadioButtons[i])) |
| 696 | { |
| 697 | nSelectedButton = i; |
| 698 | break; |
| 699 | } |
| 700 | } |
| 701 | if (nSelectedButton == -1) |
| 702 | { |
| 703 | // |
| 704 | // Just ignore it |
| 705 | // |
| 706 | return false; |
| 707 | } |
| 708 | if (nSelectedButton != m_nSelectedButton) |
| 709 | { |
| 710 | m_nSelectedButton = nSelectedButton; |
| 711 | SendNotificationEvent(); |
| 712 | } |
| 713 | return true; |
| 714 | } |
| 715 | else |
| 716 | return false; |
| 717 | } // end of wxRadioBox::OS2Command |
| 718 | |
| 719 | void wxRadioBox::SendNotificationEvent() |
| 720 | { |
| 721 | wxCommandEvent vEvent( |
| 722 | wxEVT_COMMAND_RADIOBOX_SELECTED, |
| 723 | m_windowId |
| 724 | ); |
| 725 | |
| 726 | vEvent.SetInt( m_nSelectedButton ); |
| 727 | vEvent.SetString( GetString(m_nSelectedButton) ); |
| 728 | vEvent.SetEventObject(this); |
| 729 | ProcessCommand(vEvent); |
| 730 | } // end of wxRadioBox::SendNotificationEvent |
| 731 | |
| 732 | void wxRadioBox::SetFocus() |
| 733 | { |
| 734 | if (m_nNoItems > 0) |
| 735 | { |
| 736 | if (m_nSelectedButton == -1) |
| 737 | ::WinSetFocus(HWND_DESKTOP, (HWND)m_ahRadioButtons[0]); |
| 738 | else |
| 739 | ::WinSetFocus(HWND_DESKTOP, (HWND)m_ahRadioButtons[m_nSelectedButton]); |
| 740 | } |
| 741 | } // end of wxRadioBox::SetFocus |
| 742 | |
| 743 | bool wxRadioBox::SetFont(const wxFont& rFont) |
| 744 | { |
| 745 | if (!wxControl::SetFont(rFont)) |
| 746 | { |
| 747 | // |
| 748 | // Nothing to do |
| 749 | // |
| 750 | return false; |
| 751 | } |
| 752 | // |
| 753 | // Also set the font of our radio buttons |
| 754 | // |
| 755 | for (unsigned int n = 0; n < m_nNoItems; n++) |
| 756 | { |
| 757 | HWND hWndBtn = (HWND)m_ahRadioButtons[n]; |
| 758 | |
| 759 | wxOS2SetFont( hWndBtn, rFont ); |
| 760 | ::WinInvalidateRect(hWndBtn, NULL, FALSE); |
| 761 | } |
| 762 | return true; |
| 763 | } // end of wxRadioBox::SetFont |
| 764 | |
| 765 | void wxRadioBox::SetSelection( |
| 766 | int nNum |
| 767 | ) |
| 768 | { |
| 769 | wxCHECK_RET( IsValid(nNum), wxT("invalid radiobox index") ); |
| 770 | |
| 771 | if ( IsValid(m_nSelectedButton) ) |
| 772 | ::WinSendMsg((HWND)m_ahRadioButtons[m_nSelectedButton], BM_SETCHECK, (MPARAM)0, (MPARAM)0); |
| 773 | |
| 774 | ::WinSendMsg((HWND)m_ahRadioButtons[nNum], BM_SETCHECK, (MPARAM)1, (MPARAM)0); |
| 775 | ::WinSetFocus(HWND_DESKTOP, (HWND)m_ahRadioButtons[nNum]); |
| 776 | m_nSelectedButton = nNum; |
| 777 | } // end of wxRadioBox::SetSelection |
| 778 | |
| 779 | void wxRadioBox::SetString(unsigned int nItem, const wxString& rsLabel) |
| 780 | { |
| 781 | wxCHECK_RET( IsValid(nItem), wxT("invalid radiobox index") ); |
| 782 | |
| 783 | m_pnRadioWidth[nItem] = m_pnRadioHeight[nItem] = -1; |
| 784 | ::WinSetWindowText((HWND)m_ahRadioButtons[nItem], rsLabel.c_str()); |
| 785 | } // end of wxRadioBox::SetString |
| 786 | |
| 787 | bool wxRadioBox::SetStringSelection(const wxString& rsStr) |
| 788 | { |
| 789 | int nSel = FindString(rsStr); |
| 790 | |
| 791 | if (nSel > -1) |
| 792 | { |
| 793 | SetSelection(nSel); |
| 794 | return true; |
| 795 | } |
| 796 | else |
| 797 | return false; |
| 798 | } // end of wxRadioBox::SetStringSelection |
| 799 | |
| 800 | bool wxRadioBox::Show(bool bShow) |
| 801 | { |
| 802 | if (!wxControl::Show(bShow)) |
| 803 | return false; |
| 804 | |
| 805 | for (unsigned int i = 0; i < m_nNoItems; i++) |
| 806 | { |
| 807 | ::WinShowWindow((HWND)m_ahRadioButtons[i], (BOOL)bShow); |
| 808 | } |
| 809 | return true; |
| 810 | } // end of wxRadioBox::Show |
| 811 | |
| 812 | // Show a specific button |
| 813 | bool wxRadioBox::Show(unsigned int nItem, bool bShow) |
| 814 | { |
| 815 | wxCHECK_MSG( IsValid(nItem), false, |
| 816 | wxT("invalid item in wxRadioBox::Show()") ); |
| 817 | |
| 818 | ::WinShowWindow((HWND)m_ahRadioButtons[nItem], bShow); |
| 819 | |
| 820 | return true; |
| 821 | } // end of wxRadioBox::Show |
| 822 | |
| 823 | void wxRadioBox::SubclassRadioButton( |
| 824 | WXHWND hWndBtn |
| 825 | ) |
| 826 | { |
| 827 | fnWndProcRadioBtn = (WXFARPROC)::WinSubclassWindow(hWndBtn, (PFNWP)wxRadioBtnWndProc); |
| 828 | } // end of wxRadioBox::SubclassRadioButton |
| 829 | |
| 830 | MRESULT wxRadioBox::WindowProc( |
| 831 | WXUINT uMsg |
| 832 | , WXWPARAM wParam |
| 833 | , WXLPARAM lParam |
| 834 | ) |
| 835 | { |
| 836 | return (wxControl::OS2WindowProc( uMsg |
| 837 | ,wParam |
| 838 | ,lParam |
| 839 | )); |
| 840 | } // end of wxRadioBox::WindowProc |
| 841 | |
| 842 | // --------------------------------------------------------------------------- |
| 843 | // window proc for radio buttons |
| 844 | // --------------------------------------------------------------------------- |
| 845 | |
| 846 | MRESULT wxRadioBtnWndProc( |
| 847 | HWND hWnd |
| 848 | , UINT uMessage |
| 849 | , MPARAM wParam |
| 850 | , MPARAM lParam |
| 851 | ) |
| 852 | { |
| 853 | switch (uMessage) |
| 854 | { |
| 855 | case WM_CHAR: |
| 856 | { |
| 857 | USHORT uKeyFlags = SHORT1FROMMP((MPARAM)wParam); |
| 858 | |
| 859 | if (!(uKeyFlags & KC_KEYUP)) // Key Down event |
| 860 | { |
| 861 | if (uKeyFlags & KC_VIRTUALKEY) |
| 862 | { |
| 863 | wxRadioBox* pRadiobox = (wxRadioBox *)::WinQueryWindowULong( hWnd |
| 864 | ,QWL_USER |
| 865 | ); |
| 866 | USHORT uVk = SHORT2FROMMP((MPARAM)lParam); |
| 867 | bool bProcessed = true; |
| 868 | wxDirection eDir; |
| 869 | |
| 870 | switch(uVk) |
| 871 | { |
| 872 | case VK_LEFT: |
| 873 | eDir = wxLEFT; |
| 874 | break; |
| 875 | |
| 876 | case VK_RIGHT: |
| 877 | eDir = wxRIGHT; |
| 878 | break; |
| 879 | |
| 880 | case VK_DOWN: |
| 881 | eDir = wxDOWN; |
| 882 | break; |
| 883 | |
| 884 | case VK_UP: |
| 885 | eDir = wxUP; |
| 886 | break; |
| 887 | |
| 888 | default: |
| 889 | bProcessed = false; |
| 890 | |
| 891 | // |
| 892 | // Just to suppress the compiler warning |
| 893 | // |
| 894 | eDir = wxALL; |
| 895 | } |
| 896 | |
| 897 | if (bProcessed) |
| 898 | { |
| 899 | int nSelOld = pRadiobox->GetSelection(); |
| 900 | int nSelNew = pRadiobox->GetNextItem( nSelOld |
| 901 | ,eDir |
| 902 | ,pRadiobox->GetWindowStyleFlag() |
| 903 | ); |
| 904 | |
| 905 | if (nSelNew != nSelOld) |
| 906 | { |
| 907 | pRadiobox->SetSelection(nSelNew); |
| 908 | |
| 909 | // |
| 910 | // Emulate the button click |
| 911 | // |
| 912 | pRadiobox->SendNotificationEvent(); |
| 913 | return 0; |
| 914 | } |
| 915 | } |
| 916 | } |
| 917 | } |
| 918 | } |
| 919 | break; |
| 920 | } |
| 921 | |
| 922 | return fnWndProcRadioBtn( hWnd |
| 923 | ,(ULONG)uMessage |
| 924 | ,(MPARAM)wParam |
| 925 | ,(MPARAM)lParam |
| 926 | ); |
| 927 | } // end of wxRadioBtnWndProc |
| 928 | |
| 929 | MRESULT EXPENTRY wxRadioBoxWndProc( HWND hWnd, |
| 930 | UINT uMessage, |
| 931 | MPARAM wParam, |
| 932 | MPARAM lParam ) |
| 933 | { |
| 934 | return (fnWndProcRadioBox( hWnd, |
| 935 | (ULONG)uMessage, |
| 936 | (MPARAM)wParam, |
| 937 | (MPARAM)lParam ) |
| 938 | ); |
| 939 | } // end of wxRadioBoxWndProc |
| 940 | |
| 941 | #endif // wxUSE_RADIOBOX |