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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/wxchar.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
29IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
30
31// ---------------------------------------------------------------------------
32// private functions
33// ---------------------------------------------------------------------------
34
35// wnd proc for radio buttons
36MRESULT EXPENTRY wxRadioBtnWndProc( HWND hWnd
37 ,UINT uMessage
38 ,MPARAM wParam
39 ,MPARAM lParam
40 );
41MRESULT EXPENTRY wxRadioBoxWndProc( HWND hWnd
42 ,UINT uMessage
43 ,MPARAM wParam
44 ,MPARAM lParam
45 );
46
47// ---------------------------------------------------------------------------
48// global vars
49// ---------------------------------------------------------------------------
50
51extern void wxAssociateWinWithHandle( HWND hWnd
52 ,wxWindowOS2* pWin
53 );
54extern void wxRemoveHandleAssociation( wxWindowOS2 *pWin );
55// the pointer to standard radio button & box wnd procs
56static WXFARPROC fnWndProcRadioBtn = NULL;
57static WXFARPROC fnWndProcRadioBox = NULL;
58
59// ===========================================================================
60// implementation
61// ===========================================================================
62
63// ---------------------------------------------------------------------------
64// wxRadioBox
65// ---------------------------------------------------------------------------
66
67// Radio box item
68wxRadioBox::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
77wxRadioBox::~wxRadioBox()
78{
79 m_isBeingDeleted = true;
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
100void wxRadioBox::Command ( wxCommandEvent& rEvent )
101{
102 SetSelection (rEvent.GetInt());
103 ProcessCommand(rEvent);
104} // end of wxRadioBox::Command
105
106bool 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
119bool 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
136bool 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
279wxSize wxRadioBox::DoGetBestSize() const
280{
281 return (GetTotalButtonSize(GetMaxButtonSize()));
282} // end of wxRadioBox::DoGetBestSize
283
284void 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
513bool 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
522bool 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
531unsigned int wxRadioBox::GetCount() const
532{
533 return m_nNoItems;
534} // end of wxRadioBox::GetCount
535
536wxString 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
543wxSize 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
583int wxRadioBox::GetSelection() const
584{
585 return m_nSelectedButton;
586} // end of wxRadioBox::GetSelection
587
588void 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
610wxString 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
617wxString 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
628wxSize 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
660WXHBRUSH 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
683bool 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
719void 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
732void 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
743bool 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
765void 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
779void 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
787bool 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
800bool 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
813bool 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
823void wxRadioBox::SubclassRadioButton(
824 WXHWND hWndBtn
825)
826{
827 fnWndProcRadioBtn = (WXFARPROC)::WinSubclassWindow(hWndBtn, (PFNWP)wxRadioBtnWndProc);
828} // end of wxRadioBox::SubclassRadioButton
829
830MRESULT 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
846MRESULT 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
929MRESULT 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
wxWidgets (Impactor)