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[wxWidgets.git] / src / os2 / radiobox.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: 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 #ifndef WX_PRECOMP
16 #include <stdio.h>
17 #include "wx/setup.h"
18 #include "wx/wxchar.h"
19 #include "wx/string.h"
20 #include "wx/bitmap.h"
21 #include "wx/brush.h"
22 #include "wx/radiobox.h"
23 #endif
24
25 #include "wx/os2/private.h"
26
27 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
28
29 // ---------------------------------------------------------------------------
30 // private functions
31 // ---------------------------------------------------------------------------
32
33 // wnd proc for radio buttons
34 MRESULT EXPENTRY wxRadioBtnWndProc( HWND hWnd
35 ,UINT uMessage
36 ,MPARAM wParam
37 ,MPARAM lParam
38 );
39 MRESULT EXPENTRY wxRadioBoxWndProc( HWND hWnd
40 ,UINT uMessage
41 ,MPARAM wParam
42 ,MPARAM lParam
43 );
44
45 // ---------------------------------------------------------------------------
46 // global vars
47 // ---------------------------------------------------------------------------
48
49 // the pointer to standard radio button wnd proc
50 extern void wxAssociateWinWithHandle( HWND hWnd
51 ,wxWindowOS2* pWin
52 );
53 static WXFARPROC fnWndProcRadioBtn = NULL;
54 static WXFARPROC fnWndProcRadioBox = NULL;
55
56 // ===========================================================================
57 // implementation
58 // ===========================================================================
59
60 // ---------------------------------------------------------------------------
61 // wxRadioBox
62 // ---------------------------------------------------------------------------
63
64 // Radio box item
65 wxRadioBox::wxRadioBox()
66 {
67 m_nSelectedButton = -1;
68 m_nNoItems = 0;
69 m_nNoRowsOrCols = 0;
70 m_ahRadioButtons = NULL;
71 m_nMajorDim = 0;
72 m_pnRadioWidth = NULL;
73 m_pnRadioHeight = NULL;
74 } // end of wxRadioBox::wxRadioBox
75
76 wxRadioBox::~wxRadioBox()
77 {
78 m_isBeingDeleted = true;
79
80 if (m_ahRadioButtons)
81 {
82 int i;
83 for (i = 0; i < m_nNoItems; i++)
84 ::WinDestroyWindow((HWND)m_ahRadioButtons[i]);
85 delete[] m_ahRadioButtons;
86 }
87 if (m_pnRadioWidth)
88 delete[] m_pnRadioWidth;
89 if (m_pnRadioHeight)
90 delete[] m_pnRadioHeight;
91 } // end of wxRadioBox::~wxRadioBox
92
93 void wxRadioBox::AdjustButtons(
94 int nX
95 , int nY
96 , int nWidth
97 , int nHeight
98 , int nSizeFlags
99 )
100 {
101 wxSize vMaxSize;
102 int nXOffset = nX;
103 int nYOffset = nY + nHeight;
104 int nCx1;
105 int nCy1;
106 int nStartX;
107 int nStartY;
108 int nMaxWidth;
109 int nMaxHeight;
110 wxFont vFont = GetFont();
111
112 wxGetCharSize( m_hWnd
113 ,&nCx1
114 ,&nCy1
115 ,&vFont
116 );
117 vMaxSize = GetMaxButtonSize();
118 nMaxWidth = vMaxSize.x;
119 nMaxHeight = vMaxSize.y;
120
121 nXOffset += nCx1;
122 nYOffset -= (nMaxHeight + ((3*nCy1)/2));
123
124 nStartX = nXOffset;
125 nStartY = nYOffset;
126
127 for (int i = 0; i < m_nNoItems; i++)
128 {
129 //
130 // The last button in the row may be wider than the other ones as the
131 // radiobox may be wider than the sum of the button widths (as it
132 // happens, for example, when the radiobox label is very long)
133 //
134 bool bIsLastInTheRow;
135
136 if (m_windowStyle & wxRA_SPECIFY_COLS)
137 {
138 //
139 // Item is the last in its row if it is a multiple of the number of
140 // columns or if it is just the last item
141 //
142 int n = i + 1;
143
144 bIsLastInTheRow = ((n % m_nMajorDim) == 0) || (n == m_nNoItems);
145 }
146 else // winRA_SPECIFY_ROWS
147 {
148 //
149 // Item is the last in the row if it is in the last columns
150 //
151 bIsLastInTheRow = i >= (m_nNoItems/m_nMajorDim) * m_nMajorDim;
152 }
153
154 //
155 // Is this the start of new row/column?
156 //
157 if (i && (i % m_nMajorDim == 0))
158 {
159 if (m_windowStyle & wxRA_SPECIFY_ROWS)
160 {
161
162 //
163 // Start of new column
164 //
165 nYOffset = nStartY;
166 nXOffset += nMaxWidth + nCx1;
167 }
168 else // start of new row
169 {
170 nXOffset = nStartX;
171 nYOffset -= nMaxHeight;
172 if (m_pnRadioWidth[0] > 0L)
173 nYOffset -= nCy1/2;
174 }
175 }
176
177 int nWidthBtn;
178
179 if (bIsLastInTheRow)
180 {
181 //
182 // Make the button go to the end of radio box
183 //
184 nWidthBtn = nStartX + nWidth - nXOffset - (2 * nCx1);
185 if (nWidthBtn < nMaxWidth)
186 nWidthBtn = nMaxWidth;
187 }
188 else
189 {
190 //
191 // Normal button, always of the same size
192 //
193 nWidthBtn = nMaxWidth;
194 }
195
196 //
197 // Make all buttons of the same, maximal size - like this they
198 // cover the radiobox entirely and the radiobox tooltips are always
199 // shown (otherwise they are not when the mouse pointer is in the
200 // radiobox part not beYInt32ing to any radiobutton)
201 //
202 ::WinSetWindowPos( (HWND)m_ahRadioButtons[i]
203 ,HWND_TOP
204 ,(LONG)nXOffset
205 ,(LONG)nYOffset
206 ,(LONG)nWidthBtn
207 ,(LONG)nMaxHeight
208 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
209 );
210 //
211 // Where do we put the next button?
212 //
213 if (m_windowStyle & wxRA_SPECIFY_ROWS)
214 {
215 //
216 // Below this one
217 //
218 nYOffset -= nMaxHeight;
219 if (m_pnRadioWidth[0] > 0)
220 nYOffset -= nCy1/2;
221 }
222 else
223 {
224 //
225 // To the right of this one
226 //
227 nXOffset += nWidthBtn + nCx1;
228 }
229 }
230 } // end of wxRadioBox::AdjustButtons
231
232 void wxRadioBox::Command (
233 wxCommandEvent& rEvent
234 )
235 {
236 SetSelection (rEvent.GetInt());
237 ProcessCommand(rEvent);
238 } // end of wxRadioBox::Command
239
240 bool wxRadioBox::ContainsHWND(
241 WXHWND hWnd
242 ) const
243 {
244 size_t nCount = GetCount();
245 size_t i;
246
247 for (i = 0; i < nCount; i++)
248 {
249 if (GetRadioButtons()[i] == hWnd)
250 return true;
251 }
252 return false;
253 } // end of wxRadioBox::ContainsHWND
254
255 bool wxRadioBox::Create(
256 wxWindow* pParent
257 , wxWindowID vId
258 , const wxString& rsTitle
259 , const wxPoint& rPos
260 , const wxSize& rSize
261 , const wxArrayString& asChoices
262 , int nMajorDim
263 , long lStyle
264 , const wxValidator& rVal
265 , const wxString& rsName
266 )
267 {
268 wxCArrayString chs(asChoices);
269
270 return Create(pParent, vId, rsTitle, rPos, rSize, chs.GetCount(),
271 chs.GetStrings(), nMajorDim, lStyle, rVal, rsName);
272 }
273
274 bool wxRadioBox::Create(
275 wxWindow* pParent
276 , wxWindowID vId
277 , const wxString& rsTitle
278 , const wxPoint& rPos
279 , const wxSize& rSize
280 , int nNum
281 , const wxString asChoices[]
282 , int nMajorDim
283 , long lStyle
284 , const wxValidator& rVal
285 , const wxString& rsName
286 )
287 {
288 wxColour vColour;
289 LONG lColor;
290
291 vColour.Set(wxString(wxT("BLACK")));
292 m_backgroundColour = pParent->GetBackgroundColour();
293 m_nSelectedButton = -1;
294 m_nNoItems = 0;
295
296 m_nMajorDim = nMajorDim == 0 ? nNum : nMajorDim;
297 m_nNoRowsOrCols = nMajorDim;
298
299 //
300 // Common initialization
301 //
302 if (!CreateControl( pParent
303 ,vId
304 ,rPos
305 ,rSize
306 ,lStyle
307 ,rVal
308 ,rsName
309 ))
310 return false;
311 if (!OS2CreateControl( wxT("STATIC")
312 ,SS_GROUPBOX
313 ,rPos
314 ,rSize
315 ,rsTitle
316 ))
317 return false;
318
319 wxAssociateWinWithHandle(m_hWnd, this);
320
321 //
322 // Some radio boxes test consecutive id.
323 //
324 m_nNoItems = nNum;
325 (void)NewControlId();
326 m_ahRadioButtons = new WXHWND[nNum];
327 m_pnRadioWidth = new int[nNum];
328 m_pnRadioHeight = new int[nNum];
329
330 for (int i = 0; i < nNum; i++)
331 {
332 m_pnRadioWidth[i] = m_pnRadioHeight[i] = -1;
333
334 long lStyleBtn = BS_AUTORADIOBUTTON | WS_TABSTOP | WS_VISIBLE;
335 int nNewId = NewControlId();
336
337 if (i == 0 && lStyle == 0)
338 lStyleBtn |= WS_GROUP;
339
340 HWND hWndBtn = (WXHWND)::WinCreateWindow ( GetHwndOf(pParent)
341 ,WC_BUTTON
342 ,(PSZ)asChoices[i].c_str()
343 ,lStyleBtn
344 ,0, 0, 0, 0
345 ,GetWinHwnd(pParent)
346 ,HWND_TOP
347 ,(HMENU)nNewId
348 ,NULL
349 ,NULL
350 );
351 lColor = (LONG)vColour.GetPixel();
352 ::WinSetPresParam( hWndBtn
353 ,PP_FOREGROUNDCOLOR
354 ,sizeof(LONG)
355 ,(PVOID)&lColor
356 );
357 lColor = (LONG)m_backgroundColour.GetPixel();
358
359 ::WinSetPresParam( hWndBtn
360 ,PP_BACKGROUNDCOLOR
361 ,sizeof(LONG)
362 ,(PVOID)&lColor
363 );
364 if (!hWndBtn)
365 {
366 return false;
367 }
368 m_ahRadioButtons[i] = (WXHWND)hWndBtn;
369 SubclassRadioButton((WXHWND)hWndBtn);
370 wxAssociateWinWithHandle(hWndBtn, this);
371 wxOS2SetFont( hWndBtn
372 ,*wxSMALL_FONT
373 );
374 ::WinSetWindowULong(hWndBtn, QWL_USER, (ULONG)this);
375 m_aSubControls.Add(nNewId);
376 }
377
378 //
379 // Create a dummy radio control to end the group.
380 //
381 (void)::WinCreateWindow ( GetHwndOf(pParent)
382 ,WC_BUTTON
383 ,""
384 ,WS_GROUP | BS_AUTORADIOBUTTON
385 ,0, 0, 0, 0
386 ,GetWinHwnd(pParent)
387 ,HWND_TOP
388 ,(HMENU)NewControlId()
389 ,NULL
390 ,NULL
391 );
392 SetFont(*wxSMALL_FONT);
393 fnWndProcRadioBox = (WXFARPROC)::WinSubclassWindow( GetHwnd()
394 ,(PFNWP)wxRadioBoxWndProc
395 );
396 ::WinSetWindowULong(GetHwnd(), QWL_USER, (ULONG)this);
397 lColor = (LONG)vColour.GetPixel();
398 ::WinSetPresParam( m_hWnd
399 ,PP_FOREGROUNDCOLOR
400 ,sizeof(LONG)
401 ,(PVOID)&lColor
402 );
403 ::WinSetPresParam( m_hWnd
404 ,PP_BORDERDARKCOLOR
405 ,sizeof(LONG)
406 ,(PVOID)&lColor
407 );
408 lColor = (LONG)m_backgroundColour.GetPixel();
409
410 ::WinSetPresParam( m_hWnd
411 ,PP_BACKGROUNDCOLOR
412 ,sizeof(LONG)
413 ,(PVOID)&lColor
414 );
415 ::WinSetPresParam( m_hWnd
416 ,PP_BORDERLIGHTCOLOR
417 ,sizeof(LONG)
418 ,(PVOID)&lColor
419 );
420 SetXComp(0);
421 SetYComp(0);
422 SetSelection(0);
423 SetSize( rPos.x
424 ,rPos.y
425 ,rSize.x
426 ,rSize.y
427 );
428 return true;
429 } // end of wxRadioBox::Create
430
431 wxSize wxRadioBox::DoGetBestSize() const
432 {
433 return (GetTotalButtonSize(GetMaxButtonSize()));
434 } // end of WinGuiBase_CRadioBox::DoGetBestSize
435
436 void wxRadioBox::DoSetSize(
437 int nX
438 , int nY
439 , int nWidth
440 , int nHeight
441 , int nSizeFlags
442 )
443 {
444 int nCurrentX;
445 int nCurrentY;
446 int nWidthOld;
447 int nHeightOld;
448 int nXx = nX;
449 int nYy = nY;
450 #if RADIOBTN_PARENT_IS_RADIOBOX
451 int nXOffset = 0;
452 int nYOffset = 0;
453 #else
454 int nXOffset = nXx;
455 int nYOffset = nYy;
456 #endif
457 int nCx1;
458 int nCy1;
459 wxSize vMaxSize = GetMaxButtonSize();
460 int nMaxWidth;
461 int nMaxHeight;
462 wxSize vTotSize;
463 int nTotWidth;
464 int nTotHeight;
465 int nStartX;
466 int nStartY;
467 wxFont vFont = GetFont();
468
469 m_nSizeFlags = nSizeFlags;
470 GetPosition( &nCurrentX
471 ,&nCurrentY
472 );
473 GetSize( &nWidthOld
474 ,&nHeightOld
475 );
476
477 if (nX == wxDefaultCoord && !(nSizeFlags & wxSIZE_ALLOW_MINUS_ONE))
478 nXx = nCurrentX;
479 if (nY == wxDefaultCoord && !(nSizeFlags & wxSIZE_ALLOW_MINUS_ONE))
480 nYy = nCurrentY;
481 if (nYy < 0)
482 nYy = 0;
483 if (nXx < 0)
484 nXx = 0;
485
486 wxGetCharSize( m_hWnd
487 ,&nCx1
488 ,&nCy1
489 ,&vFont
490 );
491
492 //
493 // Attempt to have a look coherent with other platforms: We compute the
494 // biggest toggle dim, then we align all items according this value.
495 //
496 vMaxSize = GetMaxButtonSize();
497 nMaxWidth = vMaxSize.x;
498 nMaxHeight = vMaxSize.y;
499
500 vTotSize = GetTotalButtonSize(vMaxSize);
501 nTotWidth = vTotSize.x;
502 nTotHeight = vTotSize.y;
503
504 //
505 // Only change our width/height if asked for
506 //
507 if (nWidth == -1)
508 {
509 if (nSizeFlags & wxSIZE_AUTO_WIDTH )
510 nWidth = nTotWidth;
511 else
512 nWidth = nWidthOld;
513 }
514
515 if (nHeight == -1)
516 {
517 if (nSizeFlags & wxSIZE_AUTO_HEIGHT)
518 nHeight = nTotHeight;
519 else
520 nHeight = nHeightOld;
521 }
522
523 wxWindowOS2* pParent = (wxWindowOS2*)GetParent();
524
525 if (pParent)
526 {
527 int nOS2Height = GetOS2ParentHeight(pParent);
528
529 nYy = nOS2Height - (nYy + nHeight);
530 nYOffset = nYy + nHeight;
531 }
532 else
533 {
534 RECTL vRect;
535
536 ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
537 nYy = vRect.yTop - (nYy + nHeight);
538 }
539 ::WinSetWindowPos( GetHwnd()
540 ,HWND_TOP
541 ,(LONG)nXx
542 ,(LONG)nYy
543 ,(LONG)nWidth
544 ,(LONG)nHeight
545 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
546 );
547
548 //
549 // Now position all the buttons: the current button will be put at
550 // wxPoint(x_offset, y_offset) and the new row/column will start at
551 // startX/startY. The size of all buttons will be the same wxSize(maxWidth,
552 // maxHeight) except for the buttons in the last column which should extend
553 // to the right border of radiobox and thus can be wider than this.
554 //
555 // Also, remember that wxRA_SPECIFY_COLS means that we arrange buttons in
556 // left to right order and m_majorDim is the number of columns while
557 // wxRA_SPECIFY_ROWS means that the buttons are arranged top to bottom and
558 // m_majorDim is the number of rows.
559 //
560 nXOffset += nCx1;
561 nYOffset -= (nMaxHeight + ((3*nCy1)/2));
562
563 nStartX = nXOffset;
564 nStartY = nYOffset;
565
566 for (int i = 0; i < m_nNoItems; i++)
567 {
568 //
569 // The last button in the row may be wider than the other ones as the
570 // radiobox may be wider than the sum of the button widths (as it
571 // happens, for example, when the radiobox label is very long)
572 //
573 bool bIsLastInTheRow;
574
575 if (m_windowStyle & wxRA_SPECIFY_COLS)
576 {
577 //
578 // Item is the last in its row if it is a multiple of the number of
579 // columns or if it is just the last item
580 //
581 int n = i + 1;
582
583 bIsLastInTheRow = ((n % m_nMajorDim) == 0) || (n == m_nNoItems);
584 }
585 else // winRA_SPECIFY_ROWS
586 {
587 //
588 // Item is the last in the row if it is in the last columns
589 //
590 bIsLastInTheRow = i >= (m_nNoItems/m_nMajorDim) * m_nMajorDim;
591 }
592
593 //
594 // Is this the start of new row/column?
595 //
596 if (i && (i % m_nMajorDim == 0))
597 {
598 if (m_windowStyle & wxRA_SPECIFY_ROWS)
599 {
600
601 //
602 // Start of new column
603 //
604 nYOffset = nStartY;
605 nXOffset += nMaxWidth + nCx1;
606 }
607 else // start of new row
608 {
609 nXOffset = nStartX;
610 nYOffset -= nMaxHeight;
611 if (m_pnRadioWidth[0] > 0L)
612 nYOffset -= nCy1/2;
613 }
614 }
615
616 int nWidthBtn;
617
618 if (bIsLastInTheRow)
619 {
620 //
621 // Make the button go to the end of radio box
622 //
623 nWidthBtn = nStartX + nWidth - nXOffset - (2 * nCx1);
624 if (nWidthBtn < nMaxWidth)
625 nWidthBtn = nMaxWidth;
626 }
627 else
628 {
629 //
630 // Normal button, always of the same size
631 //
632 nWidthBtn = nMaxWidth;
633 }
634
635 //
636 // Make all buttons of the same, maximal size - like this they
637 // cover the radiobox entirely and the radiobox tooltips are always
638 // shown (otherwise they are not when the mouse pointer is in the
639 // radiobox part not beinting to any radiobutton)
640 //
641 ::WinSetWindowPos( (HWND)m_ahRadioButtons[i]
642 ,HWND_TOP
643 ,(LONG)nXOffset
644 ,(LONG)nYOffset
645 ,(LONG)nWidthBtn
646 ,(LONG)nMaxHeight
647 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
648 );
649 //
650 // Where do we put the next button?
651 //
652 if (m_windowStyle & wxRA_SPECIFY_ROWS)
653 {
654 //
655 // Below this one
656 //
657 nYOffset -= nMaxHeight;
658 if (m_pnRadioWidth[0] > 0)
659 nYOffset -= nCy1/2;
660 }
661 else
662 {
663 //
664 // To the right of this one
665 //
666 nXOffset += nWidthBtn + nCx1;
667 }
668 }
669 } // end of wxRadioBox::DoSetSize
670
671 bool wxRadioBox::Enable(int nItem, bool bEnable)
672 {
673 wxCHECK_MSG( IsValid(nItem), false,
674 wxT("invalid item in wxRadioBox::Enable()") );
675
676 ::WinEnableWindow((HWND) m_ahRadioButtons[nItem], bEnable);
677 return true;
678 } // end of wxRadioBox::Enable
679
680 bool wxRadioBox::Enable(
681 bool bEnable
682 )
683 {
684 if ( !wxControl::Enable(bEnable) )
685 return false;
686 for (int i = 0; i < m_nNoItems; i++)
687 ::WinEnableWindow((HWND)m_ahRadioButtons[i], bEnable);
688 return true;
689 } // end of wxRadioBox::Enable
690
691 int wxRadioBox::FindString(
692 const wxString& rsStr
693 ) const
694 {
695 for (int i = 0; i < m_nNoItems; i++)
696 {
697 if (rsStr == wxGetWindowText(m_ahRadioButtons[i]) )
698 return i;
699 }
700 return wxNOT_FOUND;
701 } // end of wxRadioBox::FindString
702
703 int wxRadioBox::GetColumnCount() const
704 {
705 return GetNumHor();
706 } // end of wxRadioBox::GetColumnCount
707
708 int wxRadioBox::GetCount() const
709 {
710 return m_nNoItems;
711 } // end of wxRadioBox::GetCount
712
713 wxString wxRadioBox::GetLabel(
714 int nItem
715 ) const
716 {
717 wxCHECK_MSG( IsValid(nItem), wxEmptyString, wxT("invalid radiobox index") );
718
719 return wxGetWindowText(m_ahRadioButtons[nItem]);
720 } // end of wxRadioBox::GetLabel
721
722 wxSize wxRadioBox::GetMaxButtonSize() const
723 {
724 int nWidthMax = 0;
725 int nHeightMax = 0;
726
727 for (int i = 0 ; i < m_nNoItems; i++)
728 {
729 int nWidth;
730 int nHeight;
731
732 if (m_pnRadioWidth[i] < 0L)
733 {
734 GetTextExtent( wxGetWindowText(m_ahRadioButtons[i])
735 ,&nWidth
736 ,&nHeight
737 );
738
739 //
740 // Adjust the size to take into account the radio box itself
741 // FIXME this is totally bogus!
742 //
743 nWidth += RADIO_SIZE;
744 nHeight *= 3;
745 nHeight /= 2;
746 }
747 else
748 {
749 nWidth = m_pnRadioWidth[i];
750 nHeight = m_pnRadioHeight[i];
751 }
752 if (nWidthMax < nWidth )
753 nWidthMax = nWidth;
754 if (nHeightMax < nHeight )
755 nHeightMax = nHeight;
756 }
757 return(wxSize( nWidthMax
758 ,nHeightMax
759 )
760 );
761 } // end of wxRadioBox::GetMaxButtonSize
762
763 int wxRadioBox::GetNumHor() const
764 {
765 if ( m_windowStyle & wxRA_SPECIFY_ROWS )
766 {
767 return (m_nNoItems + m_nMajorDim - 1)/m_nMajorDim;
768 }
769 else
770 {
771 return m_nMajorDim;
772 }
773 } // end of wxRadioBox::GetNumHor
774
775 int wxRadioBox::GetNumVer() const
776 {
777 if ( m_windowStyle & wxRA_SPECIFY_ROWS )
778 {
779 return m_nMajorDim;
780 }
781 else
782 {
783 return (m_nNoItems + m_nMajorDim - 1)/m_nMajorDim;
784 }
785 } // end of wxRadioBox::GetNumVer
786
787 void wxRadioBox::GetPosition(
788 int* pnX
789 , int* pnY
790 ) const
791 {
792 wxWindowOS2* pParent = GetParent();
793 RECT vRect = { -1, -1, -1, -1 };;
794 POINTL vPoint;
795 int i;
796
797 for (i = 0; i < m_nNoItems; i++)
798 wxFindMaxSize( m_ahRadioButtons[i]
799 ,&vRect
800 );
801 if (m_hWnd)
802 wxFindMaxSize( m_hWnd
803 ,&vRect
804 );
805
806 //
807 // Since we now have the absolute screen coords, if there's a parent we
808 // must subtract its top left corner
809 //
810 vPoint.x = vRect.xLeft;
811 vPoint.y = vRect.yTop;
812 if (pParent)
813 {
814 SWP vSwp;
815
816 ::WinQueryWindowPos((HWND)pParent->GetHWND(), &vSwp);
817 vPoint.x = vSwp.x;
818 vPoint.y = vSwp.y;
819 }
820
821 //
822 // We may be faking the client origin. So a window that's really at (0, 30)
823 // may appear (to wxWin apps) to be at (0, 0).
824 //
825 if (GetParent())
826 {
827 wxPoint vPt(GetParent()->GetClientAreaOrigin());
828
829 vPoint.x = vPt.x;
830 vPoint.y = vPt.y;
831 }
832 *pnX = vPoint.x;
833 *pnX = vPoint.y;
834 } // end of wxRadioBox::GetPosition
835
836 int wxRadioBox::GetRowCount() const
837 {
838 return GetNumVer();
839 } // end of wxRadioBox::GetRowCount
840
841 // Get single selection, for single choice list items
842 int wxRadioBox::GetSelection() const
843 {
844 return m_nSelectedButton;
845 } // end of wxRadioBox::GetSelection
846
847 void wxRadioBox::GetSize(
848 int* pnWidth
849 , int* pnHeight
850 ) const
851 {
852 RECT vRect;
853 int i;
854
855 vRect.xLeft = -1;
856 vRect.xRight = -1;
857 vRect.yTop = -1;
858 vRect.yBottom = -1;
859
860 if (m_hWnd)
861 wxFindMaxSize( m_hWnd
862 ,&vRect
863 );
864
865 for (i = 0; i < m_nNoItems; i++)
866 wxFindMaxSize( m_ahRadioButtons[i]
867 ,&vRect
868 );
869
870 if (pnWidth)
871 *pnWidth = vRect.xRight - vRect.xLeft;
872 if (pnHeight)
873 *pnHeight = vRect.yTop - vRect.yBottom;
874 } // end of wxRadioBox::GetSize
875
876 // Find string for position
877 wxString wxRadioBox::GetString(
878 int nNum
879 ) const
880 {
881 return wxGetWindowText(m_ahRadioButtons[nNum]);
882 } // end of wxRadioBox::GetString
883
884 // For single selection items only
885 wxString wxRadioBox::GetStringSelection() const
886 {
887 wxString sResult;
888 int nSel = GetSelection();
889
890 if (nSel > -1)
891 sResult = GetString(nSel);
892 return sResult;
893 } // end of wxRadioBox::GetStringSelection
894
895 wxSize wxRadioBox::GetTotalButtonSize(
896 const wxSize& rSizeBtn
897 ) const
898 {
899 int nCx1;
900 int nCy1;
901 int nExtraHeight;
902 int nHeight;
903 int nWidth;
904 int nWidthLabel;
905 wxFont vFont = GetFont();
906
907 wxGetCharSize( m_hWnd
908 ,&nCx1
909 ,&nCy1
910 ,&vFont
911 );
912 nExtraHeight = nCy1;
913
914 nHeight = GetNumVer() * rSizeBtn.y + (2 * nCy1);
915 nWidth = GetNumHor() * (rSizeBtn.x + nCx1) + nCx1;
916
917 //
918 // And also wide enough for its label
919 //
920 GetTextExtent( GetTitle()
921 ,&nWidthLabel
922 ,NULL
923 );
924 nWidthLabel += RADIO_SIZE;
925 if (nWidthLabel > nWidth)
926 nWidth = nWidthLabel;
927
928 return(wxSize( nWidth
929 ,nHeight
930 )
931 );
932 } // end of wxRadioBox::GetTotalButtonSize
933
934 WXHBRUSH wxRadioBox::OnCtlColor(
935 WXHDC hwinDC
936 , WXHWND hWnd
937 , WXUINT uCtlColor
938 , WXUINT uMessage
939 , WXWPARAM wParam
940 , WXLPARAM lParam
941 )
942 {
943 HPS hPS = (HPS)hwinDC; // pass in a PS handle in OS/2
944
945 if (GetParent()->GetTransparentBackground())
946 ::GpiSetBackMix(hPS, BM_LEAVEALONE);
947 else
948 ::GpiSetBackMix(hPS, BM_OVERPAINT);
949
950 wxColour vColBack = GetBackgroundColour();
951
952 ::GpiSetBackColor(hPS, vColBack.GetPixel());
953 ::GpiSetColor(hPS, vColBack.GetPixel());
954
955
956 wxBrush* pBrush = wxTheBrushList->FindOrCreateBrush( vColBack
957 ,wxSOLID
958 );
959 return ((WXHBRUSH)pBrush->GetResourceHandle());
960 } // end of wxRadioBox::OnCtlColor
961
962 bool wxRadioBox::OS2Command(
963 WXUINT uCmd
964 , WXWORD wId
965 )
966 {
967 int nSelectedButton = -1;
968
969 if (uCmd == BN_CLICKED)
970 {
971 if (wId == GetId())
972 return true;
973
974
975 for (int i = 0; i < m_nNoItems; i++)
976 {
977 if (wId == wxGetWindowId(m_ahRadioButtons[i]))
978 {
979 nSelectedButton = i;
980 break;
981 }
982 }
983 if (nSelectedButton == -1)
984 {
985 //
986 // Just ignore it
987 //
988 return false;
989 }
990 if (nSelectedButton != m_nSelectedButton)
991 {
992 m_nSelectedButton = nSelectedButton;
993 SendNotificationEvent();
994 }
995 return true;
996 }
997 else
998 return false;
999 } // end of wxRadioBox::OS2Command
1000
1001 void wxRadioBox::SendNotificationEvent()
1002 {
1003 wxCommandEvent vEvent( wxEVT_COMMAND_RADIOBOX_SELECTED
1004 ,m_windowId
1005 );
1006
1007 vEvent.SetInt( m_nSelectedButton );
1008 vEvent.SetString( GetString(m_nSelectedButton) );
1009 vEvent.SetEventObject(this);
1010 ProcessCommand(vEvent);
1011 } // end of wxRadioBox::SendNotificationEvent
1012
1013 void wxRadioBox::SetFocus()
1014 {
1015 if (m_nNoItems > 0)
1016 {
1017 if (m_nSelectedButton == -1)
1018 ::WinSetFocus(HWND_DESKTOP, (HWND)m_ahRadioButtons[0]);
1019 else
1020 ::WinSetFocus(HWND_DESKTOP, (HWND)m_ahRadioButtons[m_nSelectedButton]);
1021 }
1022 } // end of wxRadioBox::SetFocus
1023
1024 bool wxRadioBox::SetFont(
1025 const wxFont& rFont
1026 )
1027 {
1028 if (!wxControl::SetFont(rFont))
1029 {
1030 //
1031 // Nothing to do
1032 //
1033 return false;
1034 }
1035 //
1036 // Also set the font of our radio buttons
1037 //
1038 for (int n = 0; n < (int)m_nNoItems; n++)
1039 {
1040 HWND hWndBtn = (HWND)m_ahRadioButtons[n];
1041
1042 wxOS2SetFont( hWndBtn
1043 ,rFont
1044 );
1045 ::WinInvalidateRect(hWndBtn, NULL, FALSE);
1046 }
1047 return true;
1048 } // end of wxRadioBox::SetFont
1049
1050 void wxRadioBox::SetSelection(
1051 int nNum
1052 )
1053 {
1054 wxCHECK_RET( IsValid(nNum), wxT("invalid radiobox index") );
1055
1056 if ( IsValid(m_nSelectedButton) )
1057 ::WinSendMsg((HWND)m_ahRadioButtons[m_nSelectedButton], BM_SETCHECK, (MPARAM)0, (MPARAM)0);
1058
1059 ::WinSendMsg((HWND)m_ahRadioButtons[nNum], BM_SETCHECK, (MPARAM)1, (MPARAM)0);
1060 ::WinSetFocus(HWND_DESKTOP, (HWND)m_ahRadioButtons[nNum]);
1061 m_nSelectedButton = nNum;
1062 } // end of wxRadioBox::SetSelection
1063
1064 void wxRadioBox::SetString(
1065 int nItem
1066 , const wxString& rsLabel
1067 )
1068 {
1069 wxCHECK_RET( IsValid(nItem), wxT("invalid radiobox index") );
1070
1071 m_pnRadioWidth[nItem] = m_pnRadioHeight[nItem] = -1;
1072 ::WinSetWindowText((HWND)m_ahRadioButtons[nItem], (PSZ)rsLabel.c_str());
1073 } // end of wxRadioBox::SetString
1074
1075 bool wxRadioBox::SetStringSelection(
1076 const wxString& rsStr
1077 )
1078 {
1079 int nSel = FindString(rsStr);
1080
1081 if (nSel > -1)
1082 {
1083 SetSelection(nSel);
1084 return true;
1085 }
1086 else
1087 return false;
1088 } // end of wxRadioBox::SetStringSelection
1089
1090 bool wxRadioBox::Show(
1091 bool bShow
1092 )
1093 {
1094 if (!wxControl::Show(bShow))
1095 return false;
1096
1097 for (int i = 0; i < m_nNoItems; i++)
1098 {
1099 ::WinShowWindow((HWND)m_ahRadioButtons[i], (BOOL)bShow);
1100 }
1101 return true;
1102 } // end of wxRadioBox::Show
1103
1104 // Show a specific button
1105 bool wxRadioBox::Show(
1106 int nItem
1107 , bool bShow
1108 )
1109 {
1110 wxCHECK_MSG( IsValid(nItem), false,
1111 wxT("invalid item in wxRadioBox::Show()") );
1112
1113 ::WinShowWindow((HWND)m_ahRadioButtons[nItem], bShow);
1114
1115 return true;
1116 } // end of wxRadioBox::Show
1117
1118 void wxRadioBox::SubclassRadioButton(
1119 WXHWND hWndBtn
1120 )
1121 {
1122 fnWndProcRadioBtn = (WXFARPROC)::WinSubclassWindow(hWndBtn, (PFNWP)wxRadioBtnWndProc);
1123 } // end of wxRadioBox::SubclassRadioButton
1124
1125 MRESULT wxRadioBox::WindowProc(
1126 WXUINT uMsg
1127 , WXWPARAM wParam
1128 , WXLPARAM lParam
1129 )
1130 {
1131 return (wxControl::OS2WindowProc( uMsg
1132 ,wParam
1133 ,lParam
1134 ));
1135 } // end of wxRadioBox::WindowProc
1136
1137 // ---------------------------------------------------------------------------
1138 // window proc for radio buttons
1139 // ---------------------------------------------------------------------------
1140
1141 MRESULT wxRadioBtnWndProc(
1142 HWND hWnd
1143 , UINT uMessage
1144 , MPARAM wParam
1145 , MPARAM lParam
1146 )
1147 {
1148 switch (uMessage)
1149 {
1150 case WM_CHAR:
1151 {
1152 USHORT uKeyFlags = SHORT1FROMMP((MPARAM)wParam);
1153
1154 if (!(uKeyFlags & KC_KEYUP)) // Key Down event
1155 {
1156 if (uKeyFlags & KC_VIRTUALKEY)
1157 {
1158 wxRadioBox* pRadiobox = (wxRadioBox *)::WinQueryWindowULong( hWnd
1159 ,QWL_USER
1160 );
1161 USHORT uVk = SHORT2FROMMP((MPARAM)lParam);
1162 bool bProcessed = true;
1163 wxDirection eDir;
1164
1165 switch(uVk)
1166 {
1167 case VK_LEFT:
1168 eDir = wxDOWN;
1169 break;
1170
1171 case VK_RIGHT:
1172 eDir = wxDOWN;
1173 break;
1174
1175 case VK_DOWN:
1176 eDir = wxDOWN;
1177 break;
1178
1179 case VK_UP:
1180 eDir = wxUP;
1181 break;
1182
1183 default:
1184 bProcessed = false;
1185
1186 //
1187 // Just to suppress the compiler warning
1188 //
1189 eDir = wxALL;
1190 }
1191
1192 if (bProcessed)
1193 {
1194 int nSelOld = pRadiobox->GetSelection();
1195 int nSelNew = pRadiobox->GetNextItem( nSelOld
1196 ,eDir
1197 ,pRadiobox->GetWindowStyleFlag()
1198 );
1199
1200 if (nSelNew != nSelOld)
1201 {
1202 pRadiobox->SetSelection(nSelNew);
1203
1204 //
1205 // Emulate the button click
1206 //
1207 pRadiobox->SendNotificationEvent();
1208 return 0;
1209 }
1210 }
1211 }
1212 }
1213 }
1214 break;
1215 }
1216
1217 return fnWndProcRadioBtn( hWnd
1218 ,(ULONG)uMessage
1219 ,(MPARAM)wParam
1220 ,(MPARAM)lParam
1221 );
1222 } // end of wxRadioBtnWndProc
1223
1224 MRESULT EXPENTRY wxRadioBoxWndProc(
1225 HWND hWnd
1226 , UINT uMessage
1227 , MPARAM wParam
1228 , MPARAM lParam
1229 )
1230 {
1231 return (fnWndProcRadioBox( hWnd
1232 ,(ULONG)uMessage
1233 ,(MPARAM)wParam
1234 ,(MPARAM)lParam
1235 )
1236 );
1237 } // end of wxRadioBoxWndProc
1238
wxWidgets (Impactor)