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1/////////////////////////////////////////////////////////////////////////////
2// Name: slider.cpp
3// Purpose: wxSlider
4// Author: David Webster
5// Modified by:
6// Created: 10/15/99
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#ifdef __BORLANDC__
16#pragma hdrstop
17#endif
18
19#ifndef WX_PRECOMP
20#include <stdio.h>
21#include <wx/utils.h>
22#include <wx/brush.h>
23#include <wx/scrolwin.h>
24#endif
25
26#if wxUSE_SLIDER
27
28#include "wx/slider.h"
29#include "wx/os2/private.h"
30
31IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
32
33wxSlider::wxSlider()
34{
35 m_hStaticValue = 0L;
36 m_hStaticMin = 0L;
37 m_hStaticMax = 0L;
38 m_nPageSize = 1;
39 m_nLineSize = 1;
40 m_nRangeMax = 0;
41 m_nRangeMin = 0;
42 m_nTickFreq = 0;
43} // end of wxSlider::wxSlider
44
45wxSlider::~wxSlider()
46{
47 if (m_hStaticMin)
48 ::WinDestroyWindow((HWND)m_hStaticMin);
49 if (m_hStaticMax)
50 ::WinDestroyWindow((HWND)m_hStaticMax);
51 if (m_hStaticValue)
52 ::WinDestroyWindow((HWND)m_hStaticValue);
53} // end of wxSlider::~wxSlider
54
55void wxSlider::AdjustSubControls( int nX,
56 int nY,
57 int nWidth,
58 int nHeight,
59 int WXUNUSED(nSizeFlags) )
60{
61 int nXOffset = nX;
62 int nYOffset = nY;
63 int nCx; // slider,min,max sizes
64 int nCy;
65 int nCyf;
66 wxChar zBuf[300];
67 wxFont vFont = this->GetFont();
68
69 wxGetCharSize( GetHWND()
70 ,&nCx
71 ,&nCy
72 ,&vFont
73 );
74
75 if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
76 {
77 if (m_windowStyle & wxSL_LABELS )
78 {
79 int nMinLen = 0;
80 int nMaxLen = 0;
81
82 ::WinQueryWindowText((HWND)m_hStaticMin, 300, (PSZ)zBuf);
83 GetTextExtent(zBuf, &nMinLen, &nCyf, NULL, NULL, &vFont);
84
85 ::WinQueryWindowText((HWND)m_hStaticMax, 300, (PSZ)zBuf);
86 GetTextExtent(zBuf, &nMaxLen, &nCyf, NULL, NULL, &vFont);
87
88 if (m_hStaticValue)
89 {
90 int nNewWidth = wxMax(nMinLen, nMaxLen);
91 int nValueHeight = nCyf;
92
93 ::WinSetWindowPos( (HWND)m_hStaticValue
94 ,HWND_TOP
95 ,(LONG)nXOffset - (nNewWidth + nCx + nMinLen + nCx)
96 ,(LONG)nYOffset
97 ,(LONG)nNewWidth
98 ,(LONG)nValueHeight
99 ,SWP_SIZE | SWP_MOVE
100 );
101 }
102 ::WinSetWindowPos( (HWND)m_hStaticMin
103 ,HWND_TOP
104 ,(LONG)nXOffset - (nMinLen + nCx)
105 ,(LONG)nYOffset
106 ,(LONG)nMinLen
107 ,(LONG)nCyf
108 ,SWP_SIZE | SWP_MOVE
109 );
110 nXOffset += nWidth + nCx;
111
112 ::WinSetWindowPos( (HWND)m_hStaticMax
113 ,HWND_TOP
114 ,(LONG)nXOffset
115 ,(LONG)nYOffset
116 ,(LONG)nMaxLen
117 ,(LONG)nCyf
118 ,SWP_ZORDER | SWP_SHOW
119 );
120 }
121 }
122 else
123 {
124 //
125 // Now deal with a vertical slider
126 //
127
128 if (m_windowStyle & wxSL_LABELS )
129 {
130 int nMinLen = 0;
131 int nMaxLen = 0;
132
133 ::WinQueryWindowText((HWND)m_hStaticMin, 300, (PSZ)zBuf);
134 GetTextExtent(zBuf, &nMinLen, &nCyf, NULL, NULL, &vFont);
135
136 ::WinQueryWindowText((HWND)m_hStaticMax, 300, (PSZ)zBuf);
137 GetTextExtent(zBuf, &nMaxLen, &nCyf, NULL, NULL, &vFont);
138
139 if (m_hStaticValue)
140 {
141 int nNewWidth = (wxMax(nMinLen, nMaxLen));
142
143 ::WinSetWindowPos( (HWND)m_hStaticValue
144 ,HWND_TOP
145 ,(LONG)nXOffset
146 ,(LONG)nYOffset + nHeight + nCyf
147 ,(LONG)nNewWidth
148 ,(LONG)nCyf
149 ,SWP_SIZE | SWP_MOVE
150 );
151 }
152 ::WinSetWindowPos( (HWND)m_hStaticMax
153 ,HWND_TOP
154 ,(LONG)nXOffset
155 ,(LONG)nYOffset + nHeight
156 ,(LONG)nMaxLen
157 ,(LONG)nCyf
158 ,SWP_SIZE | SWP_MOVE
159 );
160 ::WinSetWindowPos( (HWND)m_hStaticMin
161 ,HWND_TOP
162 ,(LONG)nXOffset
163 ,(LONG)nYOffset - nCyf
164 ,(LONG)nMinLen
165 ,(LONG)nCyf
166 ,SWP_SIZE | SWP_MOVE
167 );
168 }
169 }
170} // end of wxSlider::AdjustSubControls
171
172void wxSlider::ClearSel()
173{
174} // end of wxSlider::ClearSel
175
176void wxSlider::ClearTicks()
177{
178} // end of wxSlider::ClearTicks
179
180void wxSlider::Command (
181 wxCommandEvent& rEvent
182)
183{
184 SetValue(rEvent.GetInt());
185 ProcessCommand(rEvent);
186} // end of wxSlider::Command
187
188bool wxSlider::ContainsHWND(
189 WXHWND hWnd
190) const
191{
192 return ( hWnd == GetStaticMin() ||
193 hWnd == GetStaticMax() ||
194 hWnd == GetEditValue()
195 );
196} // end of wxSlider::ContainsHWND
197
198bool wxSlider::Create(
199 wxWindow* pParent
200, wxWindowID vId
201, int nValue
202, int nMinValue
203, int nMaxValue
204, const wxPoint& rPos
205, const wxSize& rSize
206, long lStyle
207, const wxValidator& rValidator
208, const wxString& rsName
209)
210{
211 int nX = rPos.x;
212 int nY = rPos.y;
213 int nWidth = rSize.x;
214 int nHeight = rSize.y;
215 long lMsStyle = 0L;
216 long lWstyle = 0L;
217
218 SetName(rsName);
219#if wxUSE_VALIDATORS
220 SetValidator(rValidator);
221#endif
222 if (pParent)
223 pParent->AddChild(this);
224 SetBackgroundColour(pParent->GetBackgroundColour()) ;
225 SetForegroundColour(pParent->GetForegroundColour()) ;
226
227 m_hStaticValue = 0L;
228 m_hStaticMin = 0L;
229 m_hStaticMax = 0L;
230 m_nPageSize = 1;
231 m_nLineSize = 1;
232 m_windowStyle = lStyle;
233 m_nTickFreq = 0;
234
235 if (vId == -1)
236 m_windowId = (int)NewControlId();
237 else
238 m_windowId = vId;
239
240 if (m_windowStyle & wxCLIP_SIBLINGS )
241 lMsStyle |= WS_CLIPSIBLINGS;
242
243 if (m_windowStyle & wxSL_LABELS)
244 {
245 lMsStyle |= WS_VISIBLE | SS_TEXT | DT_VCENTER;
246
247 m_hStaticValue = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
248 ,WC_STATIC // Window class
249 ,(PSZ)NULL // Initial Text
250 ,(ULONG)lMsStyle // Style flags
251 ,0L, 0L, 0L, 0L // Origin -- 0 size
252 ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
253 ,HWND_TOP // initial z position
254 ,(ULONG)NewControlId() // Window identifier
255 ,NULL // no control data
256 ,NULL // no Presentation parameters
257 );
258
259 //
260 // Now create min static control
261 //
262 wxSprintf(wxBuffer, wxT("%d"), nMinValue);
263 lWstyle = SS_TEXT|DT_LEFT|WS_VISIBLE;
264 if (m_windowStyle & wxCLIP_SIBLINGS)
265 lWstyle |= WS_CLIPSIBLINGS;
266
267 m_hStaticMin = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
268 ,WC_STATIC // Window class
269 ,(PSZ)wxBuffer // Initial Text
270 ,(ULONG)lWstyle // Style flags
271 ,0L, 0L, 0L, 0L // Origin -- 0 size
272 ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
273 ,HWND_TOP // initial z position
274 ,(ULONG)NewControlId() // Window identifier
275 ,NULL // no control data
276 ,NULL // no Presentation parameters
277 );
278 }
279 lMsStyle = 0;
280
281 SLDCDATA vSlData;
282
283 vSlData.cbSize = sizeof(SLDCDATA);
284 if (m_windowStyle & wxSL_VERTICAL)
285 lMsStyle = SLS_VERTICAL | SLS_HOMEBOTTOM | WS_VISIBLE | WS_TABSTOP;
286 else
287 lMsStyle = SLS_HORIZONTAL | SLS_HOMELEFT | WS_VISIBLE | WS_TABSTOP;
288
289 if (m_windowStyle & wxCLIP_SIBLINGS)
290 lMsStyle |= WS_CLIPSIBLINGS;
291
292 if (m_windowStyle & wxSL_AUTOTICKS)
293 {
294 vSlData.usScale1Spacing = 0;
295 vSlData.usScale2Spacing = 0;
296 }
297
298 if (m_windowStyle & wxSL_LEFT)
299 lMsStyle |= SLS_PRIMARYSCALE2; // if SLS_VERTICAL then SCALE2 is to the left
300 else if (m_windowStyle & wxSL_RIGHT)
301 lMsStyle |= SLS_PRIMARYSCALE1; // if SLS_VERTICAL then SCALE2 is to the right
302 else if (m_windowStyle & wxSL_TOP)
303 lMsStyle |= SLS_PRIMARYSCALE1; // if SLS_HORIZONTAL then SCALE1 is to the top
304 else if (m_windowStyle & wxSL_BOTTOM )
305 lMsStyle |= SLS_PRIMARYSCALE2; // if SLS_HORIZONTAL then SCALE1 is to the bottom
306 else if ( m_windowStyle & wxSL_BOTH )
307 lMsStyle |= SLS_PRIMARYSCALE1 | SLS_PRIMARYSCALE2;
308 else
309 lMsStyle |= SLS_PRIMARYSCALE2;
310 lMsStyle |= SLS_RIBBONSTRIP;
311
312 m_nPageSize = ((nMaxValue - nMinValue)/10);
313 vSlData.usScale1Increments = (USHORT)m_nPageSize;
314 vSlData.usScale2Increments = (USHORT)m_nPageSize;
315
316 HWND hScrollBar = ::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
317 ,WC_SLIDER // Window class
318 ,(PSZ)wxBuffer // Initial Text
319 ,(ULONG)lMsStyle // Style flags
320 ,0L, 0L, 0L, 0L // Origin -- 0 size
321 ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
322 ,HWND_BOTTOM // initial z position
323 ,(HMENU)m_windowId // Window identifier
324 ,&vSlData // Slider control data
325 ,NULL // no Presentation parameters
326 );
327 m_nRangeMax = nMaxValue;
328 m_nRangeMin = nMinValue;
329
330 //
331 // Set the size of the ticks ... default to 6 pixels
332 //
333 ::WinSendMsg( hScrollBar
334 ,SLM_SETTICKSIZE
335 ,MPFROM2SHORT(SMA_SETALLTICKS, (USHORT)12)
336 ,NULL
337 );
338 //
339 // Set the position to the initial value
340 //
341 ::WinSendMsg( hScrollBar
342 ,SLM_SETSLIDERINFO
343 ,MPFROM2SHORT(SMA_SLIDERARMPOSITION, SMA_RANGEVALUE)
344 ,(MPARAM)nValue
345 );
346
347 m_hWnd = (WXHWND)hScrollBar;
348 SubclassWin(GetHWND());
349 ::WinSetWindowText((HWND)m_hWnd, "");
350
351 SetFont(*wxSMALL_FONT);
352 if (m_windowStyle & wxSL_LABELS)
353 {
354 //
355 // Finally, create max value static item
356 //
357 wxSprintf(wxBuffer, wxT("%d"), nMaxValue);
358 lWstyle = SS_TEXT|DT_LEFT|WS_VISIBLE;
359 if (m_windowStyle & wxCLIP_SIBLINGS)
360 lMsStyle |= WS_CLIPSIBLINGS;
361
362 m_hStaticMax = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
363 ,WC_STATIC // Window class
364 ,(PSZ)wxBuffer // Initial Text
365 ,(ULONG)lWstyle // Style flags
366 ,0L, 0L, 0L, 0L // Origin -- 0 size
367 ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent
368 ,HWND_TOP // initial z position
369 ,(ULONG)NewControlId() // Window identifier
370 ,NULL // no control data
371 ,NULL // no Presentation parameters
372 );
373 if (GetFont().Ok())
374 {
375 if (GetFont().GetResourceHandle())
376 {
377 if (m_hStaticMin)
378 wxOS2SetFont( m_hStaticMin
379 ,GetFont()
380 );
381 if (m_hStaticMax)
382 wxOS2SetFont( m_hStaticMax
383 ,GetFont()
384 );
385 if (m_hStaticValue)
386 wxOS2SetFont( m_hStaticValue
387 ,GetFont()
388 );
389 }
390 }
391 }
392
393 SetXComp(0);
394 SetYComp(0);
395 SetSize( nX
396 ,nY
397 ,nWidth
398 ,nHeight
399 );
400 m_nThumbLength = SHORT1FROMMR(::WinSendMsg( GetHwnd()
401 ,SLM_QUERYSLIDERINFO
402 ,MPFROM2SHORT( SMA_SLIDERARMDIMENSIONS
403 ,SMA_RANGEVALUE
404 )
405 ,(MPARAM)0
406 )
407 ) + 4; // for bordersizes
408
409 wxColour vColour;
410
411 vColour.Set(wxString(wxT("BLACK")));
412
413 LONG lColor = (LONG)vColour.GetPixel();
414
415 ::WinSetPresParam( m_hStaticMin
416 ,PP_FOREGROUNDCOLOR
417 ,sizeof(LONG)
418 ,(PVOID)&lColor
419 );
420 ::WinSetPresParam( m_hStaticMax
421 ,PP_FOREGROUNDCOLOR
422 ,sizeof(LONG)
423 ,(PVOID)&lColor
424 );
425 ::WinSetPresParam( m_hStaticValue
426 ,PP_FOREGROUNDCOLOR
427 ,sizeof(LONG)
428 ,(PVOID)&lColor
429 );
430 ::WinSetPresParam( m_hWnd
431 ,PP_FOREGROUNDCOLOR
432 ,sizeof(LONG)
433 ,(PVOID)&lColor
434 );
435 lColor = (LONG)m_backgroundColour.GetPixel();
436 ::WinSetPresParam( m_hStaticMin
437 ,PP_BACKGROUNDCOLOR
438 ,sizeof(LONG)
439 ,(PVOID)&lColor
440 );
441 ::WinSetPresParam( m_hStaticMax
442 ,PP_BACKGROUNDCOLOR
443 ,sizeof(LONG)
444 ,(PVOID)&lColor
445 );
446 ::WinSetPresParam( m_hStaticValue
447 ,PP_BACKGROUNDCOLOR
448 ,sizeof(LONG)
449 ,(PVOID)&lColor
450 );
451 ::WinSetPresParam( m_hWnd
452 ,PP_BACKGROUNDCOLOR
453 ,sizeof(LONG)
454 ,(PVOID)&lColor
455 );
456 vColour.Set(wxString(wxT("BLUE")));
457 lColor = (LONG)vColour.GetPixel();
458 ::WinSetPresParam( m_hWnd
459 ,PP_HILITEBACKGROUNDCOLOR
460 ,sizeof(LONG)
461 ,(PVOID)&lColor
462 );
463 SetValue(nValue);
464 return true;
465} // end of wxSlider::Create
466
467void wxSlider::DoSetSize(
468 int nX
469, int nY
470, int nWidth
471, int nHeight
472, int nSizeFlags
473)
474{
475 int nX1 = nX;
476 int nY1 = nY;
477 int nWidth1 = nWidth;
478 int nHeight1 = nHeight;
479 int nXOffset = nX;
480 int nYOffset = nY;
481 int nCx; // slider,min,max sizes
482 int nCy;
483 int nCyf;
484 int nCurrentX;
485 int nCurrentY;
486 wxChar zBuf[300];
487 wxFont vFont = this->GetFont();
488
489 //
490 // Adjust for OS/2's reverse coordinate system
491 //
492 wxWindowOS2* pParent = (wxWindowOS2*)GetParent();
493 int nUsedHeight = 0;
494 int nOS2Height = nHeight;
495
496 if (nOS2Height < 0)
497 nOS2Height = 20;
498
499 if (pParent)
500 {
501 int nOS2ParentHeight = GetOS2ParentHeight(pParent);
502
503 nYOffset = nOS2ParentHeight - (nYOffset + nOS2Height);
504 if (nY != -1)
505 nY1 = nOS2ParentHeight - (nY1 + nOS2Height);
506 }
507 else
508 {
509 RECTL vRect;
510
511 ::WinQueryWindowRect(HWND_DESKTOP, &vRect);
512 nYOffset = vRect.yTop - (nYOffset + nOS2Height);
513 if (nY != -1)
514 nY1 = vRect.yTop - (nY1 + nOS2Height);
515 }
516 m_nSizeFlags = nSizeFlags;
517
518 GetPosition( &nCurrentX
519 ,&nCurrentY
520 );
521 if (nX == -1 && !(nSizeFlags & wxSIZE_ALLOW_MINUS_ONE))
522 nX1 = nCurrentX;
523 if (nY == -1 && !(nSizeFlags & wxSIZE_ALLOW_MINUS_ONE))
524 nY1 = nCurrentY;
525
526 AdjustForParentClientOrigin( nX1
527 ,nY1
528 ,nSizeFlags
529 );
530 wxGetCharSize( GetHWND()
531 ,&nCx
532 ,&nCy
533 ,&vFont
534 );
535
536 if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
537 {
538 if (m_windowStyle & wxSL_LABELS )
539 {
540 int nMinLen = 0;
541 int nMaxLen = 0;
542
543 ::WinQueryWindowText((HWND)m_hStaticMin, 300, (PSZ)zBuf);
544 GetTextExtent(zBuf, &nMinLen, &nCyf, NULL, NULL, &vFont);
545 ::WinQueryWindowText((HWND)m_hStaticMax, 300, (PSZ)zBuf);
546 GetTextExtent(zBuf, &nMaxLen, &nCyf, NULL, NULL, &vFont);
547
548 if (m_hStaticValue)
549 {
550 int nNewWidth = (wxMax(nMinLen, nMaxLen));
551 int nValueHeight = nCyf;
552
553 ::WinSetWindowPos( (HWND)m_hStaticValue
554 ,HWND_TOP
555 ,(LONG)nXOffset
556 ,(LONG)nYOffset - (LONG)(nCyf * 1.2)
557 ,(LONG)nNewWidth
558 ,(LONG)nValueHeight
559 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
560 );
561 nXOffset += nNewWidth + nCx;
562 }
563 ::WinSetWindowPos( (HWND)m_hStaticMin
564 ,HWND_TOP
565 ,(LONG)nXOffset
566 ,(LONG)nYOffset - (LONG)(nCyf * 1.2)
567 ,(LONG)nMinLen
568 ,(LONG)nCy
569 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
570 );
571 nXOffset += nMinLen + nCx;
572
573 int nSliderLength = nWidth1 - nXOffset - nMaxLen - nCx;
574 int nSliderHeight = nHeight1;
575
576 if (nSliderHeight < 0)
577 nSliderHeight = 20;
578
579 //
580 // Slider must have a minimum/default length/height
581 //
582 if (nSliderLength < 100)
583 nSliderLength = 100;
584
585 ::WinSetWindowPos( GetHwnd()
586 ,HWND_TOP
587 ,(LONG)nXOffset
588 ,(LONG)nYOffset
589 ,(LONG)nSliderLength
590 ,(LONG)nSliderHeight
591 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
592 );
593 ::WinQueryWindowPos(GetHwnd(), GetSwp());
594 ::WinSendMsg( GetHwnd()
595 ,SLM_SETSLIDERINFO
596 ,MPFROM2SHORT( SMA_SHAFTDIMENSIONS
597 ,0
598 )
599 ,MPFROMLONG((ULONG)(nSliderHeight/2))
600 );
601 nXOffset += nSliderLength + nCx;
602
603 ::WinSetWindowPos( (HWND)m_hStaticMax
604 ,HWND_TOP
605 ,(LONG)nXOffset
606 ,(LONG)nYOffset - (LONG)(nCyf * 1.2)
607 ,(LONG)nMaxLen
608 ,(LONG)nCy
609 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
610 );
611 }
612 else
613 {
614 //
615 // No labels
616 // If we're prepared to use the existing size, then...
617 //
618 if (nWidth == -1 && nHeight == -1 &&
619 ((nSizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
620 {
621 GetSize( &nWidth1
622 ,&nHeight1
623 );
624 }
625 if (nWidth1 < 0)
626 nWidth1 = 200;
627 if (nHeight1 < 0)
628 nHeight1 = 20;
629 ::WinSetWindowPos( GetHwnd()
630 ,HWND_TOP
631 ,(LONG)nX1
632 ,(LONG)nY1
633 ,(LONG)nWidth1
634 ,(LONG)nHeight1
635 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
636 );
637 }
638 }
639
640 //
641 // Now deal with a vertical slider
642 //
643 else
644 {
645 if (m_windowStyle & wxSL_LABELS )
646 {
647 int nMinLen;
648 int nMaxLen;
649
650 ::WinQueryWindowText((HWND)m_hStaticMin, 300, (PSZ)zBuf);
651 GetTextExtent(zBuf, &nMinLen, &nCyf, NULL, NULL, &vFont);
652 ::WinQueryWindowText((HWND)m_hStaticMax, 300, (PSZ)zBuf);
653 GetTextExtent(zBuf, &nMaxLen, &nCyf, NULL, NULL, &vFont);
654 if (m_hStaticValue)
655 {
656 int nNewWidth = wxMax(nMinLen, nMaxLen);
657 int nValueHeight = nCyf;
658
659 ::WinSetWindowPos( (HWND)m_hStaticValue
660 ,HWND_TOP
661 ,(LONG)nXOffset
662 ,(LONG)nYOffset + nHeight
663 ,(LONG)nNewWidth
664 ,(LONG)nValueHeight
665 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
666 );
667 nUsedHeight += nCyf;
668 }
669 ::WinSetWindowPos( (HWND)m_hStaticMin
670 ,HWND_TOP
671 ,(LONG)nXOffset
672 ,(LONG)nYOffset + nHeight - nCyf
673 ,(LONG)nMinLen
674 ,(LONG)nCy
675 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
676 );
677 nUsedHeight += nCy;
678
679 int nSliderLength = nHeight1 - (nUsedHeight + (2 * nCy));
680 int nSliderWidth = nWidth1;
681
682 if (nSliderWidth < 0)
683 nSliderWidth = 20;
684
685 //
686 // Slider must have a minimum/default length
687 //
688 if (nSliderLength < 100)
689 nSliderLength = 100;
690
691 ::WinSetWindowPos( GetHwnd()
692 ,HWND_TOP
693 ,(LONG)nXOffset
694 ,(LONG)nYOffset + nCyf
695 ,(LONG)nSliderWidth
696 ,(LONG)nSliderLength
697 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
698 );
699 ::WinQueryWindowPos(GetHwnd(), GetSwp());
700 ::WinSendMsg( GetHwnd()
701 ,SLM_SETSLIDERINFO
702 ,MPFROM2SHORT( SMA_SHAFTDIMENSIONS
703 ,0
704 )
705 ,MPFROMLONG((ULONG)(nSliderWidth/2))
706 );
707 nUsedHeight += nSliderLength;
708 ::WinSetWindowPos( (HWND)m_hStaticMax
709 ,HWND_TOP
710 ,(LONG)nXOffset
711 ,(LONG)nYOffset - nCyf
712 ,(LONG)nMaxLen
713 ,(LONG)nCy
714 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
715 );
716 }
717 else
718 {
719 //
720 // No labels
721 // If we're prepared to use the existing size, then...
722 //
723 if (nWidth == -1 && nHeight == -1 &&
724 ((nSizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
725 {
726 GetSize( &nWidth1
727 ,&nHeight1
728 );
729 }
730 if (nWidth1 < 0)
731 nWidth1 = 20;
732 if (nHeight1 < 0)
733 nHeight1 = 200;
734 ::WinSetWindowPos( GetHwnd()
735 ,HWND_TOP
736 ,(LONG)nX1
737 ,(LONG)nY1
738 ,(LONG)nWidth1
739 ,(LONG)nHeight1
740 ,SWP_ZORDER | SWP_SIZE | SWP_MOVE | SWP_SHOW
741 );
742 }
743 }
744} // end of void wxSlider::DoSetSize
745
746int wxSlider::GetLineSize() const
747{
748 return 1;
749} // end of wxSlider::GetLineSize
750
751int wxSlider::GetPageSize() const
752{
753 return m_nPageSize;
754} // end of wxSlider::GetPageSize
755
756void wxSlider::GetPosition(
757 int* pnX
758, int* pnY
759) const
760{
761 wxWindowOS2* pParent = GetParent();
762 RECTL vRect;
763
764 vRect.xLeft = -1;
765 vRect.xRight = -1;
766 vRect.yTop = -1;
767 vRect.yBottom = -1;
768 wxFindMaxSize( GetHWND()
769 ,&vRect
770 );
771
772 if (m_hStaticMin)
773 wxFindMaxSize( m_hStaticMin
774 ,&vRect
775 );
776 if (m_hStaticMax)
777 wxFindMaxSize( m_hStaticMax
778 ,&vRect
779 );
780 if (m_hStaticValue)
781 wxFindMaxSize( m_hStaticValue
782 ,&vRect
783 );
784
785 //
786 // Since we now have the absolute screen coords,
787 // if there's a parent we must subtract its top left corner
788 //
789 POINTL vPoint;
790
791 vPoint.x = vRect.xLeft;
792 vPoint.y = vRect.yTop;
793
794 if (pParent)
795 {
796 SWP vSwp;
797
798 ::WinQueryWindowPos((HWND)pParent->GetHWND(), &vSwp);
799 vPoint.x = vSwp.x;
800 vPoint.y = vSwp.y;
801 }
802
803 //
804 // We may be faking the client origin.
805 // So a window that's really at (0, 30) may appear
806 // (to wxWin apps) to be at (0, 0).
807 //
808 if (GetParent())
809 {
810 wxPoint vPt(GetParent()->GetClientAreaOrigin());
811
812 vPoint.x -= vPt.x;
813 vPoint.y -= vPt.y;
814 }
815 *pnX = vPoint.x;
816 *pnY = vPoint.y;
817} // end of wxSlider::GetPosition
818
819int wxSlider::GetSelEnd() const
820{
821 return 0;
822} // end of wxSlider::GetSelEnd
823
824int wxSlider::GetSelStart() const
825{
826 return 0;
827} // end of wxSlider::GetSelStart
828
829void wxSlider::DoGetSize(
830 int* pnWidth
831, int* pnHeight
832) const
833{
834 GetSize( pnWidth
835 ,pnHeight
836 );
837} // end of wxSlider::DoGetSize
838
839void wxSlider::GetSize(
840 int* pnWidth
841, int* pnHeight
842) const
843{
844 RECTL vRect;
845
846 vRect.xLeft = -1;
847 vRect.xRight = -1;
848 vRect.yTop = -1;
849 vRect.yBottom = -1;
850
851 wxFindMaxSize( GetHWND()
852 ,&vRect
853 );
854
855 if (m_hStaticMin)
856 wxFindMaxSize( m_hStaticMin
857 ,&vRect
858 );
859 if (m_hStaticMax)
860 wxFindMaxSize( m_hStaticMax
861 ,&vRect
862 );
863 if (m_hStaticValue)
864 wxFindMaxSize( m_hStaticValue
865 ,&vRect
866 );
867 if (pnWidth)
868 *pnWidth = vRect.xRight - vRect.xLeft;
869 if (pnHeight)
870 *pnHeight = vRect.yTop - vRect.yBottom;
871} // end of wxSlider::GetSize
872
873int wxSlider::GetThumbLength() const
874{
875 return m_nThumbLength;
876} // end of wxSlider::GetThumbLength
877
878int wxSlider::GetValue() const
879{
880 int nPixelRange = SHORT1FROMMR(::WinSendMsg( GetHwnd()
881 ,SLM_QUERYSLIDERINFO
882 ,MPFROM2SHORT( SMA_SHAFTDIMENSIONS
883 ,SMA_RANGEVALUE
884 )
885 ,(MPARAM)0
886 )
887 );
888 double dPixelToRange = (double)(nPixelRange - m_nThumbLength)/(double)(m_nRangeMax - m_nRangeMin);
889 int nNewPos = 0;
890 int nPixelPos = SHORT1FROMMR(::WinSendMsg( GetHwnd()
891 ,SLM_QUERYSLIDERINFO
892 ,MPFROM2SHORT( SMA_SLIDERARMPOSITION
893 ,SMA_RANGEVALUE
894 )
895 ,(MPARAM)0
896 )
897 );
898 nNewPos = (int)(nPixelPos/dPixelToRange);
899 if (nNewPos > (m_nRangeMax - m_nRangeMin)/2)
900 nNewPos++;
901 return nNewPos;
902} // end of wxSlider::GetValue
903
904WXHBRUSH wxSlider::OnCtlColor(
905 WXHDC hDC
906, WXHWND hWnd
907, WXUINT uCtlColor
908, WXUINT uMessage
909, WXWPARAM wParam
910, WXLPARAM lParam
911)
912{
913 return (wxControl::OnCtlColor( hDC
914 ,hWnd
915 ,uCtlColor
916 ,uMessage
917 ,wParam
918 ,lParam
919 )
920 );
921} // end of wxSlider::OnCtlColor
922
923bool wxSlider::OS2OnScroll( int WXUNUSED(nOrientation),
924 WXWORD wParam,
925 WXWORD WXUNUSED(wPos),
926 WXHWND WXUNUSED(hControl) )
927{
928 wxEventType eScrollEvent = wxEVT_NULL;
929
930 switch (wParam)
931 {
932 case SLN_CHANGE:
933 if (m_windowStyle & wxSL_TOP)
934 eScrollEvent = wxEVT_SCROLL_TOP;
935 else if (m_windowStyle & wxSL_BOTTOM)
936 eScrollEvent = wxEVT_SCROLL_BOTTOM;
937 break;
938
939 case SLN_SLIDERTRACK:
940 eScrollEvent = wxEVT_SCROLL_THUMBTRACK;
941 break;
942
943 default:
944 return false;
945 }
946
947 int nPixelRange = SHORT1FROMMR(::WinSendMsg( GetHwnd()
948 , SLM_QUERYSLIDERINFO
949 , MPFROM2SHORT( SMA_SHAFTDIMENSIONS, SMA_RANGEVALUE )
950 , (MPARAM)0
951 )
952 );
953 m_dPixelToRange = (double)(nPixelRange - m_nThumbLength)/(double)(m_nRangeMax - m_nRangeMin);
954 int nNewPos = 0;
955 int nPixelPos = SHORT1FROMMR(::WinSendMsg( GetHwnd()
956 , SLM_QUERYSLIDERINFO
957 , MPFROM2SHORT( SMA_SLIDERARMPOSITION, SMA_RANGEVALUE )
958 , (MPARAM)0
959 )
960 );
961
962 nNewPos = (int)(nPixelPos/m_dPixelToRange);
963 if (nNewPos > (m_nRangeMax - m_nRangeMin)/2)
964 nNewPos++;
965 if ((nNewPos < GetMin()) || (nNewPos > GetMax()))
966 {
967 //
968 // Out of range - but we did process it
969 //
970 return true;
971 }
972 SetValue(nNewPos);
973
974 wxScrollEvent vEvent( eScrollEvent, m_windowId );
975
976 vEvent.SetPosition(nNewPos);
977 vEvent.SetEventObject(this);
978 GetEventHandler()->ProcessEvent(vEvent);
979
980 wxCommandEvent vCevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
981
982 vCevent.SetInt(nNewPos);
983 vCevent.SetEventObject(this);
984 return (GetEventHandler()->ProcessEvent(vCevent));
985} // end of wxSlider::OS2OnScroll
986
987void wxSlider::SetLineSize( int nLineSize )
988{
989 m_nLineSize = nLineSize;
990} // end of wxSlider::SetLineSize
991
992
993void wxSlider::SetPageSize( int nPageSize )
994{
995 m_nPageSize = nPageSize;
996} // end of wxSlider::SetPageSize
997
998void wxSlider::SetRange(
999 int nMinValue
1000, int nMaxValue
1001)
1002{
1003 wxChar zBuf[10];
1004
1005 m_nRangeMin = nMinValue;
1006 m_nRangeMax = nMaxValue;
1007
1008 int nPixelRange = SHORT1FROMMR(::WinSendMsg( GetHwnd()
1009 ,SLM_QUERYSLIDERINFO
1010 ,MPFROM2SHORT( SMA_SHAFTDIMENSIONS
1011 ,SMA_RANGEVALUE
1012 )
1013 ,(MPARAM)0
1014 )
1015 );
1016 m_dPixelToRange = (double)(nPixelRange - m_nThumbLength)/(double)(m_nRangeMax - m_nRangeMin);
1017 if (m_hStaticMin)
1018 {
1019 wxSprintf(zBuf, wxT("%d"), m_nRangeMin);
1020 ::WinSetWindowText((HWND)m_hStaticMin, (PSZ)zBuf);
1021 }
1022
1023 if (m_hStaticMax)
1024 {
1025 wxSprintf(zBuf, wxT("%d"), m_nRangeMax);
1026 ::WinSetWindowText((HWND)m_hStaticMax, (PSZ)zBuf);
1027 }
1028} // end of wxSlider::SetRange
1029
1030void wxSlider::SetSelection(
1031 int WXUNUSED(nMinPos)
1032, int WXUNUSED(nMaxPos)
1033)
1034{
1035} // end of wxSlider::SetSelection
1036
1037void wxSlider::SetThumbLength(
1038 int nLen
1039)
1040{
1041 int nBreadth;
1042
1043 m_nThumbLength = SHORT1FROMMR(::WinSendMsg( GetHwnd()
1044 ,SLM_QUERYSLIDERINFO
1045 ,MPFROM2SHORT( SMA_SLIDERARMDIMENSIONS
1046 ,SMA_RANGEVALUE
1047 )
1048 ,(MPARAM)0
1049 )
1050 ) + 4; // for bordersizes
1051 nBreadth = SHORT2FROMMR(::WinSendMsg( GetHwnd()
1052 ,SLM_QUERYSLIDERINFO
1053 ,MPFROM2SHORT( SMA_SLIDERARMDIMENSIONS
1054 ,SMA_RANGEVALUE
1055 )
1056 ,(MPARAM)0
1057 )
1058 );
1059 ::WinSendMsg( GetHwnd()
1060 ,SLM_SETSLIDERINFO
1061 ,MPFROM2SHORT( SMA_SLIDERARMDIMENSIONS
1062 ,SMA_RANGEVALUE
1063 )
1064 ,MPFROM2SHORT(nLen, nBreadth)
1065 );
1066 m_nThumbLength = nLen + 4; // Borders
1067} // end of wxSlider::SetThumbLength
1068
1069void wxSlider::SetTick(
1070 int nTickPos
1071)
1072{
1073 nTickPos = (int)(nTickPos * m_dPixelToRange);
1074 ::WinSendMsg( GetHwnd()
1075 ,SLM_ADDDETENT
1076 ,MPFROMSHORT(nTickPos)
1077 ,NULL
1078 );
1079} // end of wxSlider::SetTick
1080
1081// For trackbars only
1082void wxSlider::SetTickFreq( int n, int WXUNUSED(nPos) )
1083{
1084 SLDCDATA vSlData;
1085 WNDPARAMS vWndParams;
1086 int nPixelPos;
1087 int i;
1088
1089 vSlData.cbSize = sizeof(SLDCDATA);
1090 if (m_windowStyle & wxSL_AUTOTICKS)
1091 {
1092 vSlData.usScale1Spacing = 0;
1093 vSlData.usScale2Spacing = 0;
1094 }
1095 vSlData.usScale1Increments = (USHORT)((m_nRangeMax - m_nRangeMin)/n);
1096 vSlData.usScale2Increments = (USHORT)((m_nRangeMax - m_nRangeMin)/n);
1097
1098 vWndParams.fsStatus = WPM_CTLDATA;
1099 vWndParams.cchText = 0L;
1100 vWndParams.pszText = NULL;
1101 vWndParams.cbPresParams = 0L;
1102 vWndParams.pPresParams = NULL;
1103 vWndParams.cbCtlData = vSlData.cbSize;
1104 vWndParams.pCtlData = (PVOID)&vSlData;
1105 ::WinSendMsg(GetHwnd(), WM_SETWINDOWPARAMS, (MPARAM)&vWndParams, (MPARAM)0);
1106 for (i = 1; i < (m_nRangeMax - m_nRangeMin)/n; i++)
1107 {
1108 nPixelPos = (int)(i * n * m_dPixelToRange);
1109 ::WinSendMsg( GetHwnd()
1110 ,SLM_ADDDETENT
1111 ,MPFROMSHORT(nPixelPos)
1112 ,NULL
1113 );
1114 }
1115} // end of wxSlider::SetTickFreq
1116
1117void wxSlider::SetValue(
1118 int nValue
1119)
1120{
1121 int nPixelRange = SHORT1FROMMR(::WinSendMsg( GetHwnd()
1122 ,SLM_QUERYSLIDERINFO
1123 ,MPFROM2SHORT( SMA_SHAFTDIMENSIONS
1124 ,SMA_RANGEVALUE
1125 )
1126 ,(MPARAM)0
1127 )
1128 );
1129 m_dPixelToRange = (double)(nPixelRange - m_nThumbLength)/(double)(m_nRangeMax - m_nRangeMin);
1130 int nNewPos = (int)(nValue * m_dPixelToRange);
1131
1132 ::WinSendMsg( GetHwnd()
1133 ,SLM_SETSLIDERINFO
1134 ,MPFROM2SHORT( SMA_SLIDERARMPOSITION
1135 ,SMA_RANGEVALUE
1136 )
1137 ,(MPARAM)nNewPos
1138 );
1139 if (m_hStaticValue)
1140 {
1141 wxSprintf(wxBuffer, wxT("%d"), nValue);
1142 ::WinSetWindowText((HWND)m_hStaticValue, (PSZ)wxBuffer);
1143 }
1144} // end of wxSlider::SetValue
1145
1146bool wxSlider::Show(
1147 bool bShow
1148)
1149{
1150 wxWindowOS2::Show(bShow);
1151 if(m_hStaticValue)
1152 ::WinShowWindow((HWND)m_hStaticValue, bShow);
1153 if(m_hStaticMin)
1154 ::WinShowWindow((HWND)m_hStaticMin, bShow);
1155 if(m_hStaticMax)
1156 ::WinShowWindow((HWND)m_hStaticMax, bShow);
1157 return true;
1158} // end of wxSlider::Show
1159
1160#endif // wxUSE_SLIDER
wxWidgets (Impactor)