1 /////////////////////////////////////////////////////////////////////////////
3 // Purpose: wxSlider95, using the Win95 trackbar control
4 // Author: Julian Smart
8 // Copyright: (c) Julian Smart and Markus Holzem
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
13 #pragma implementation "slider95.h"
16 // For compilers that support precompilation, includes "wx.h".
17 #include "wx/wxprec.h"
31 #include "wx/msw/slider95.h"
32 #include "wx/msw/private.h"
34 #if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
38 IMPLEMENT_DYNAMIC_CLASS(wxSlider95
, wxControl
)
41 wxSlider95::wxSlider95()
53 bool wxSlider95::Create(wxWindow
*parent
, wxWindowID id
,
54 int value
, int minValue
, int maxValue
,
56 const wxSize
& size
, long style
,
57 const wxValidator
& validator
,
61 SetValidator(validator
);
63 if (parent
) parent
->AddChild(this);
64 SetBackgroundColour(parent
->GetBackgroundColour()) ;
65 SetForegroundColour(parent
->GetForegroundColour()) ;
72 m_windowStyle
= style
;
76 m_windowId
= (int)NewControlId();
87 if ( m_windowStyle
& wxSL_LABELS
)
89 msStyle
= WS_CHILD
| WS_VISIBLE
| WS_BORDER
| SS_CENTER
;
92 WXDWORD exStyle
= Determine3DEffects(WS_EX_CLIENTEDGE
, &want3D
) ;
94 m_staticValue
= (WXHWND
) CreateWindowEx(exStyle
, wxT("STATIC"), NULL
,
96 0, 0, 0, 0, (HWND
) parent
->GetHWND(), (HMENU
)NewControlId(),
97 wxGetInstance(), NULL
);
99 // Now create min static control
100 wxSprintf(wxBuffer
, wxT("%d"), minValue
);
101 m_staticMin
= (WXHWND
) CreateWindowEx(0, wxT("STATIC"), wxBuffer
,
103 0, 0, 0, 0, (HWND
) parent
->GetHWND(), (HMENU
)NewControlId(),
104 wxGetInstance(), NULL
);
108 if (m_windowStyle
& wxSL_VERTICAL
)
109 msStyle
= TBS_VERT
| WS_CHILD
| WS_VISIBLE
| WS_TABSTOP
;
111 msStyle
= TBS_HORZ
| WS_CHILD
| WS_VISIBLE
| WS_TABSTOP
;
113 if ( m_windowStyle
& wxSL_AUTOTICKS
)
114 msStyle
|= TBS_AUTOTICKS
;
116 if ( m_windowStyle
& wxSL_LEFT
)
118 else if ( m_windowStyle
& wxSL_RIGHT
)
119 msStyle
|= TBS_RIGHT
;
120 else if ( m_windowStyle
& wxSL_TOP
)
122 else if ( m_windowStyle
& wxSL_BOTTOM
)
123 msStyle
|= TBS_BOTTOM
;
124 else if ( m_windowStyle
& wxSL_BOTH
)
126 else if ( ! (m_windowStyle
& wxSL_AUTOTICKS
) )
127 msStyle
|= TBS_NOTICKS
;
129 if ( m_windowStyle
& wxSL_SELRANGE
)
130 msStyle
|= TBS_ENABLESELRANGE
;
132 HWND scroll_bar
= CreateWindowEx(MakeExtendedStyle(m_windowStyle
), TRACKBAR_CLASS
, wxBuffer
,
134 0, 0, 0, 0, (HWND
) parent
->GetHWND(), (HMENU
)m_windowId
,
135 wxGetInstance(), NULL
);
137 m_rangeMax
= maxValue
;
138 m_rangeMin
= minValue
;
140 m_pageSize
= (int)((maxValue
-minValue
)/10);
142 ::SendMessage(scroll_bar
, TBM_SETRANGE
, TRUE
, MAKELONG(minValue
, maxValue
));
143 ::SendMessage(scroll_bar
, TBM_SETPOS
, TRUE
, (LPARAM
)value
);
144 ::SendMessage(scroll_bar
, TBM_SETPAGESIZE
, 0, (LPARAM
)m_pageSize
);
146 m_hWnd
= (WXHWND
)scroll_bar
;
148 SubclassWin(GetHWND());
150 SetWindowText((HWND
) m_hWnd
, wxT(""));
152 SetFont(parent
->GetFont());
154 if ( m_windowStyle
& wxSL_LABELS
)
156 // Finally, create max value static item
157 wxSprintf(wxBuffer
, wxT("%d"), maxValue
);
158 m_staticMax
= (WXHWND
) CreateWindowEx(0, wxT("STATIC"), wxBuffer
,
160 0, 0, 0, 0, (HWND
) parent
->GetHWND(), (HMENU
)NewControlId(),
161 wxGetInstance(), NULL
);
166 if (GetFont().GetResourceHandle())
169 SendMessage((HWND
)m_staticMin
,WM_SETFONT
,
170 (WPARAM
)GetFont().GetResourceHandle(),0L);
172 SendMessage((HWND
)m_staticMax
,WM_SETFONT
,
173 (WPARAM
)GetFont().GetResourceHandle(),0L);
175 SendMessage((HWND
)m_staticValue
,WM_SETFONT
,
176 (WPARAM
)GetFont().GetResourceHandle(),0L);
181 SetSize(x
, y
, width
, height
);
187 bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation
), WXWORD wParam
,
188 WXWORD pos
, WXHWND control
)
190 int position
= 0; // Dummy - not used in this mode
193 wxEventType scrollEvent
= wxEVT_NULL
;
197 nScrollInc
= m_rangeMax
- position
;
198 scrollEvent
= wxEVT_SCROLL_TOP
;
202 nScrollInc
= - position
;
203 scrollEvent
= wxEVT_SCROLL_BOTTOM
;
207 nScrollInc
= - GetLineSize();
208 scrollEvent
= wxEVT_SCROLL_LINEUP
;
212 nScrollInc
= GetLineSize();
213 scrollEvent
= wxEVT_SCROLL_LINEDOWN
;
217 nScrollInc
= -GetPageSize();
218 scrollEvent
= wxEVT_SCROLL_PAGEUP
;
222 nScrollInc
= GetPageSize();
223 scrollEvent
= wxEVT_SCROLL_PAGEDOWN
;
227 case SB_THUMBPOSITION
:
229 nScrollInc
= (signed short)pos
- position
;
231 nScrollInc
= pos
- position
;
233 scrollEvent
= wxEVT_SCROLL_THUMBTRACK
;
240 if (scrollEvent
== wxEVT_NULL
)
246 int newPos
= (int)::SendMessage((HWND
) control
, TBM_GETPOS
, 0, 0);
247 if ( (newPos
< GetMin()) || (newPos
> GetMax()) )
249 // out of range - but we did process it
255 wxScrollEvent
event(scrollEvent
, m_windowId
);
256 event
.SetPosition(newPos
);
257 event
.SetEventObject( this );
258 GetEventHandler()->ProcessEvent(event
);
260 wxCommandEvent
cevent( wxEVT_COMMAND_SLIDER_UPDATED
, GetId() );
261 cevent
.SetEventObject( this );
263 return GetEventHandler()->ProcessEvent( cevent
);
266 wxSlider95::~wxSlider95()
269 DestroyWindow((HWND
) m_staticMin
);
271 DestroyWindow((HWND
) m_staticMax
);
273 DestroyWindow((HWND
) m_staticValue
);
276 int wxSlider95::GetValue() const
278 return ::SendMessage(GetHwnd(), TBM_GETPOS
, 0, 0);
281 void wxSlider95::SetValue(int value
)
283 ::SendMessage(GetHwnd(), TBM_SETPOS
, (WPARAM
)TRUE
, (LPARAM
)value
);
286 wxSprintf(wxBuffer
, wxT("%d"), value
);
287 SetWindowText((HWND
) m_staticValue
, wxBuffer
);
291 void wxSlider95::GetSize(int *width
, int *height
) const
294 rect
.left
= -1; rect
.right
= -1; rect
.top
= -1; rect
.bottom
= -1;
296 wxFindMaxSize(GetHWND(), &rect
);
299 wxFindMaxSize(m_staticMin
, &rect
);
301 wxFindMaxSize(m_staticMax
, &rect
);
303 wxFindMaxSize(m_staticValue
, &rect
);
305 *width
= rect
.right
- rect
.left
;
306 *height
= rect
.bottom
- rect
.top
;
309 void wxSlider95::GetPosition(int *x
, int *y
) const
311 wxWindow
*parent
= GetParent();
313 rect
.left
= -1; rect
.right
= -1; rect
.top
= -1; rect
.bottom
= -1;
315 wxFindMaxSize(GetHWND(), &rect
);
318 wxFindMaxSize(m_staticMin
, &rect
);
320 wxFindMaxSize(m_staticMax
, &rect
);
322 wxFindMaxSize(m_staticValue
, &rect
);
324 // Since we now have the absolute screen coords,
325 // if there's a parent we must subtract its top left corner
330 ::ScreenToClient((HWND
) parent
->GetHWND(), &point
);
332 // We may be faking the client origin.
333 // So a window that's really at (0, 30) may appear
334 // (to wxWin apps) to be at (0, 0).
337 wxPoint
pt(GetParent()->GetClientAreaOrigin());
345 // TODO one day, make sense of all this horros and replace it with a readable
347 void wxSlider95::DoSetSize(int x
, int y
, int width
, int height
, int sizeFlags
)
354 int currentX
, currentY
;
355 GetPosition(¤tX
, ¤tY
);
356 if (x
== -1 || (sizeFlags
& wxSIZE_ALLOW_MINUS_ONE
))
358 if (y
== -1 || (sizeFlags
& wxSIZE_ALLOW_MINUS_ONE
))
361 AdjustForParentClientOrigin(x1
, y1
, sizeFlags
);
368 int cx
; // slider,min,max sizes
372 wxGetCharSize(GetHWND(), &cx
, &cy
, & this->GetFont());
374 if ((m_windowStyle
& wxSL_VERTICAL
) != wxSL_VERTICAL
)
376 if ( m_windowStyle
& wxSL_LABELS
)
380 GetWindowText((HWND
) m_staticMin
, buf
, 300);
381 GetTextExtent(buf
, &min_len
, &cyf
,NULL
,NULL
, & this->GetFont());
385 GetWindowText((HWND
) m_staticMax
, buf
, 300);
386 GetTextExtent(buf
, &max_len
, &cyf
,NULL
,NULL
, & this->GetFont());
389 int new_width
= (int)(wxMax(min_len
, max_len
));
390 int valueHeight
= (int)cyf
;
392 // For some reason, under Win95, the text edit control has
393 // a lot of space before the first character
396 // The height needs to be a bit bigger under Win95 if using native
398 valueHeight
= (int) (valueHeight
* 1.5) ;
399 MoveWindow((HWND
) m_staticValue
, x_offset
, y_offset
, new_width
, valueHeight
, TRUE
);
400 x_offset
+= new_width
+ cx
;
403 MoveWindow((HWND
) m_staticMin
, x_offset
, y_offset
, (int)min_len
, cy
, TRUE
);
404 x_offset
+= (int)(min_len
+ cx
);
406 int slider_length
= (int)(w1
- x_offset
- max_len
- cx
);
408 int slider_height
= h1
;
409 if (slider_height
< 0 )
412 // Slider must have a minimum/default length/height
413 if (slider_length
< 100)
416 MoveWindow(GetHwnd(), x_offset
, y_offset
, slider_length
, slider_height
, TRUE
);
417 x_offset
+= slider_length
+ cx
;
419 MoveWindow((HWND
) m_staticMax
, x_offset
, y_offset
, (int)max_len
, cy
, TRUE
);
424 // If we're prepared to use the existing size, then...
425 if (width
== -1 && height
== -1 && ((sizeFlags
& wxSIZE_AUTO
) != wxSIZE_AUTO
))
433 MoveWindow(GetHwnd(), x1
, y1
, w1
, h1
, TRUE
);
438 if ( m_windowStyle
& wxSL_LABELS
)
441 GetWindowText((HWND
) m_staticMin
, buf
, 300);
442 GetTextExtent(buf
, &min_len
, &cyf
,NULL
,NULL
, & this->GetFont());
445 GetWindowText((HWND
) m_staticMax
, buf
, 300);
446 GetTextExtent(buf
, &max_len
, &cyf
,NULL
,NULL
, & this->GetFont());
450 int new_width
= (int)(wxMax(min_len
, max_len
));
451 int valueHeight
= (int)cyf
;
452 /*** Suggested change by George Tasker - remove this block...
454 // For some reason, under Win95, the text edit control has
455 // a lot of space before the first character
458 ... and replace with following line: */
461 // The height needs to be a bit bigger under Win95 if using native
463 valueHeight
= (int) (valueHeight
* 1.5) ;
465 MoveWindow((HWND
) m_staticValue
, x_offset
, y_offset
, new_width
, valueHeight
, TRUE
);
466 y_offset
+= valueHeight
;
469 MoveWindow((HWND
) m_staticMin
, x_offset
, y_offset
, (int)min_len
, cy
, TRUE
);
472 int slider_length
= (int)(h1
- y_offset
- cy
- cy
);
474 int slider_width
= w1
;
475 if (slider_width
< 0 )
478 // Slider must have a minimum/default length
479 if (slider_length
< 100)
482 MoveWindow(GetHwnd(), x_offset
, y_offset
, slider_width
, slider_length
, TRUE
);
483 y_offset
+= slider_length
;
485 MoveWindow((HWND
) m_staticMax
, x_offset
, y_offset
, (int)max_len
, cy
, TRUE
);
490 // If we're prepared to use the existing size, then...
491 if (width
== -1 && height
== -1 && ((sizeFlags
& wxSIZE_AUTO
) != wxSIZE_AUTO
))
499 MoveWindow(GetHwnd(), x1
, y1
, w1
, h1
, TRUE
);
504 void wxSlider95::SetRange(int minValue
, int maxValue
)
506 m_rangeMin
= minValue
;
507 m_rangeMax
= maxValue
;
509 ::SendMessage(GetHwnd(), TBM_SETRANGE
, TRUE
, MAKELONG(minValue
, maxValue
));
514 wxSprintf(buf
, wxT("%d"), m_rangeMin
);
515 SetWindowText((HWND
) m_staticMin
, buf
);
520 wxSprintf(buf
, wxT("%d"), m_rangeMax
);
521 SetWindowText((HWND
) m_staticMax
, buf
);
525 WXHBRUSH
wxSlider95::OnCtlColor(WXHDC pDC
, WXHWND pWnd
, WXUINT nCtlColor
,
526 WXUINT message
, WXWPARAM wParam
, WXLPARAM lParam
)
528 if ( nCtlColor
== CTLCOLOR_SCROLLBAR
)
531 // Otherwise, it's a static
532 return wxControl::OnCtlColor(pDC
, pWnd
, nCtlColor
, message
, wParam
, lParam
);
535 // For trackbars only
536 void wxSlider95::SetTickFreq(int n
, int pos
)
539 ::SendMessage( GetHwnd(), TBM_SETTICFREQ
, (WPARAM
) n
, (LPARAM
) pos
);
542 void wxSlider95::SetPageSize(int pageSize
)
544 ::SendMessage( GetHwnd(), TBM_SETPAGESIZE
, (WPARAM
) 0, (LPARAM
) pageSize
);
545 m_pageSize
= pageSize
;
548 int wxSlider95::GetPageSize() const
553 void wxSlider95::ClearSel()
555 ::SendMessage( GetHwnd(), TBM_CLEARSEL
, (WPARAM
) TRUE
, (LPARAM
) 0 );
558 void wxSlider95::ClearTicks()
560 ::SendMessage( GetHwnd(), TBM_CLEARTICS
, (WPARAM
) TRUE
, (LPARAM
) 0 );
563 void wxSlider95::SetLineSize(int lineSize
)
565 m_lineSize
= lineSize
;
566 ::SendMessage( GetHwnd(), TBM_SETLINESIZE
, (WPARAM
) 0, (LPARAM
) lineSize
);
569 int wxSlider95::GetLineSize() const
571 return (int) ::SendMessage( GetHwnd(), TBM_GETLINESIZE
, (WPARAM
) 0, (LPARAM
) 0 );
574 int wxSlider95::GetSelEnd() const
576 return (int) ::SendMessage( GetHwnd(), TBM_SETSELEND
, (WPARAM
) 0, (LPARAM
) 0 );
579 int wxSlider95::GetSelStart() const
581 return (int) ::SendMessage( GetHwnd(), TBM_GETSELSTART
, (WPARAM
) 0, (LPARAM
) 0 );
584 void wxSlider95::SetSelection(int minPos
, int maxPos
)
586 ::SendMessage( GetHwnd(), TBM_SETSEL
, (WPARAM
) TRUE
, (LPARAM
) MAKELONG( minPos
, maxPos
) );
589 void wxSlider95::SetThumbLength(int len
)
591 ::SendMessage( GetHwnd(), TBM_SETTHUMBLENGTH
, (WPARAM
) len
, (LPARAM
) 0 );
594 int wxSlider95::GetThumbLength() const
596 return (int) ::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH
, (WPARAM
) 0, (LPARAM
) 0 );
599 void wxSlider95::SetTick(int tickPos
)
601 ::SendMessage( GetHwnd(), TBM_SETTIC
, (WPARAM
) 0, (LPARAM
) tickPos
);
604 bool wxSlider95::ContainsHWND(WXHWND hWnd
) const
606 return ( hWnd
== GetStaticMin() || hWnd
== GetStaticMax() || hWnd
== GetEditValue() );
609 void wxSlider95::Command (wxCommandEvent
& event
)
611 SetValue (event
.GetInt());
612 ProcessCommand (event
);
615 bool wxSlider95::Show(bool show
)
617 wxWindow::Show(show
);
626 ShowWindow((HWND
) m_staticValue
, (BOOL
)cshow
);
628 ShowWindow((HWND
) m_staticMin
, (BOOL
)cshow
);
630 ShowWindow((HWND
) m_staticMax
, (BOOL
)cshow
);