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"
29 #include "wx/msw/slider95.h"
30 #include "wx/msw/private.h"
32 #if defined(__WIN95__) && !defined(__GNUWIN32__)
36 #if !USE_SHARED_LIBRARY
37 IMPLEMENT_DYNAMIC_CLASS(wxSlider95
, wxControl
)
39 #if WXWIN_COMPATIBILITY
40 BEGIN_EVENT_TABLE(wxSlider95
, wxControl
)
41 EVT_SCROLL(wxSlider95::OnScroll
)
48 wxSlider95::wxSlider95(void)
60 bool wxSlider95::Create(wxWindow
*parent
, wxWindowID id
,
61 int value
, int minValue
, int maxValue
,
63 const wxSize
& size
, long style
,
64 const wxValidator
& validator
,
68 SetValidator(validator
);
70 if (parent
) parent
->AddChild(this);
71 SetBackgroundColour(parent
->GetDefaultBackgroundColour()) ;
72 SetForegroundColour(parent
->GetDefaultForegroundColour()) ;
79 m_windowStyle
= style
;
83 m_windowId
= (int)NewControlId();
94 if ( m_windowStyle
& wxSL_LABELS
)
96 msStyle
= WS_CHILD
| WS_VISIBLE
| WS_BORDER
| SS_CENTER
;
99 WXDWORD exStyle
= Determine3DEffects(WS_EX_CLIENTEDGE
, &want3D
) ;
101 m_staticValue
= (WXHWND
) CreateWindowEx(exStyle
, "STATIC", NULL
,
103 0, 0, 0, 0, (HWND
) parent
->GetHWND(), (HMENU
)NewControlId(),
104 wxGetInstance(), NULL
);
106 // Now create min static control
107 sprintf(wxBuffer
, "%d", minValue
);
108 m_staticMin
= (WXHWND
) CreateWindowEx(0, "STATIC", wxBuffer
,
110 0, 0, 0, 0, (HWND
) parent
->GetHWND(), (HMENU
)NewControlId(),
111 wxGetInstance(), NULL
);
115 if (m_windowStyle
& wxSL_VERTICAL
)
116 msStyle
= TBS_VERT
| WS_CHILD
| WS_VISIBLE
| WS_TABSTOP
;
118 msStyle
= TBS_HORZ
| WS_CHILD
| WS_VISIBLE
| WS_TABSTOP
;
120 if ( m_windowStyle
& wxSL_AUTOTICKS
)
121 msStyle
|= TBS_AUTOTICKS
;
123 if ( m_windowStyle
& wxSL_LEFT
)
125 else if ( m_windowStyle
& wxSL_RIGHT
)
126 msStyle
|= TBS_RIGHT
;
127 else if ( m_windowStyle
& wxSL_TOP
)
129 else if ( m_windowStyle
& wxSL_BOTTOM
)
130 msStyle
|= TBS_BOTTOM
;
131 else if ( m_windowStyle
& wxSL_BOTH
)
133 else if ( ! (m_windowStyle
& wxSL_AUTOTICKS
) )
134 msStyle
|= TBS_NOTICKS
;
136 if ( m_windowStyle
& wxSL_SELRANGE
)
137 msStyle
|= TBS_ENABLESELRANGE
;
139 HWND scroll_bar
= CreateWindowEx(MakeExtendedStyle(m_windowStyle
), TRACKBAR_CLASS
, wxBuffer
,
141 0, 0, 0, 0, (HWND
) parent
->GetHWND(), (HMENU
)m_windowId
,
142 wxGetInstance(), NULL
);
144 m_rangeMax
= maxValue
;
145 m_rangeMin
= minValue
;
147 m_pageSize
= (int)((maxValue
-minValue
)/10);
149 ::SendMessage(scroll_bar
, TBM_SETRANGE
, TRUE
, MAKELONG(minValue
, maxValue
));
150 ::SendMessage(scroll_bar
, TBM_SETPOS
, TRUE
, (LPARAM
)value
);
151 ::SendMessage(scroll_bar
, TBM_SETPAGESIZE
, 0, (LPARAM
)m_pageSize
);
153 m_hWnd
= (WXHWND
)scroll_bar
;
155 SubclassWin(GetHWND());
157 SetWindowText((HWND
) m_hWnd
, "");
159 SetFont(* parent
->GetFont());
161 if ( m_windowStyle
& wxSL_LABELS
)
163 // Finally, create max value static item
164 sprintf(wxBuffer
, "%d", maxValue
);
165 m_staticMax
= (WXHWND
) CreateWindowEx(0, "STATIC", wxBuffer
,
167 0, 0, 0, 0, (HWND
) parent
->GetHWND(), (HMENU
)NewControlId(),
168 wxGetInstance(), NULL
);
173 // GetFont()->RealizeResource();
174 if (GetFont()->GetResourceHandle())
177 SendMessage((HWND
)m_staticMin
,WM_SETFONT
,
178 (WPARAM
)GetFont()->GetResourceHandle(),0L);
180 SendMessage((HWND
)m_staticMax
,WM_SETFONT
,
181 (WPARAM
)GetFont()->GetResourceHandle(),0L);
183 SendMessage((HWND
)m_staticValue
,WM_SETFONT
,
184 (WPARAM
)GetFont()->GetResourceHandle(),0L);
189 SetSize(x
, y
, width
, height
);
195 void wxSlider95::MSWOnVScroll(WXWORD wParam
, WXWORD pos
, WXHWND control
)
197 int position
= 0; // Dummy - not used in this mode
200 wxEventType scrollEvent
= wxEVT_NULL
;
204 nScrollInc
= m_rangeMax
- position
;
205 scrollEvent
= wxEVT_SCROLL_TOP
;
209 nScrollInc
= - position
;
210 scrollEvent
= wxEVT_SCROLL_BOTTOM
;
214 nScrollInc
= - GetLineSize();
215 scrollEvent
= wxEVT_SCROLL_LINEUP
;
219 nScrollInc
= GetLineSize();
220 scrollEvent
= wxEVT_SCROLL_LINEDOWN
;
224 nScrollInc
= -GetPageSize();
225 scrollEvent
= wxEVT_SCROLL_PAGEUP
;
229 nScrollInc
= GetPageSize();
230 scrollEvent
= wxEVT_SCROLL_PAGEDOWN
;
234 case SB_THUMBPOSITION
:
236 nScrollInc
= (signed short)pos
- position
;
238 nScrollInc
= pos
- position
;
240 scrollEvent
= wxEVT_SCROLL_THUMBTRACK
;
250 int newPos
= (int)::SendMessage((HWND
) control
, TBM_GETPOS
, 0, 0);
251 if (!(newPos
< GetMin() || newPos
> GetMax()))
255 wxScrollEvent
event(scrollEvent
, m_windowId
);
256 event
.SetPosition(newPos
);
257 event
.SetEventObject( this );
258 GetEventHandler()->ProcessEvent(event
);
263 void wxSlider95::MSWOnHScroll(WXWORD wParam
, WXWORD pos
, WXHWND control
)
265 MSWOnVScroll(wParam
, pos
, control
);
268 wxSlider95::~wxSlider95(void)
271 DestroyWindow((HWND
) m_staticMin
);
273 DestroyWindow((HWND
) m_staticMax
);
275 DestroyWindow((HWND
) m_staticValue
);
278 int wxSlider95::GetValue(void) const
280 return ::SendMessage((HWND
) GetHWND(), TBM_GETPOS
, 0, 0);
283 void wxSlider95::SetValue(int value
)
285 ::SendMessage((HWND
) GetHWND(), TBM_SETPOS
, (WPARAM
)TRUE
, (LPARAM
)value
);
288 sprintf(wxBuffer
, "%d", value
);
289 SetWindowText((HWND
) m_staticValue
, wxBuffer
);
293 void wxSlider95::GetSize(int *width
, int *height
) const
296 rect
.left
= -1; rect
.right
= -1; rect
.top
= -1; rect
.bottom
= -1;
298 wxFindMaxSize(GetHWND(), &rect
);
301 wxFindMaxSize(m_staticMin
, &rect
);
303 wxFindMaxSize(m_staticMax
, &rect
);
305 wxFindMaxSize(m_staticValue
, &rect
);
307 *width
= rect
.right
- rect
.left
;
308 *height
= rect
.bottom
- rect
.top
;
311 void wxSlider95::GetPosition(int *x
, int *y
) const
313 wxWindow
*parent
= GetParent();
315 rect
.left
= -1; rect
.right
= -1; rect
.top
= -1; rect
.bottom
= -1;
317 wxFindMaxSize(GetHWND(), &rect
);
320 wxFindMaxSize(m_staticMin
, &rect
);
322 wxFindMaxSize(m_staticMax
, &rect
);
324 wxFindMaxSize(m_staticValue
, &rect
);
326 // Since we now have the absolute screen coords,
327 // if there's a parent we must subtract its top left corner
332 ::ScreenToClient((HWND
) parent
->GetHWND(), &point
);
334 // We may be faking the client origin.
335 // So a window that's really at (0, 30) may appear
336 // (to wxWin apps) to be at (0, 0).
339 wxPoint
pt(GetParent()->GetClientAreaOrigin());
347 void wxSlider95::SetSize(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
,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
, GetFont());
385 GetWindowText((HWND
) m_staticMax
, buf
, 300);
386 GetTextExtent(buf
, &max_len
, &cyf
,NULL
,NULL
, 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((HWND
) 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((HWND
) 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
,GetFont());
445 GetWindowText((HWND
) m_staticMax
, buf
, 300);
446 GetTextExtent(buf
, &max_len
, &cyf
,NULL
,NULL
, 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((HWND
) 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((HWND
) GetHWND(), x1
, y1
, w1
, h1
, TRUE
);
504 void wxSlider95::SetRange(int minValue
, int maxValue
)
506 m_rangeMin
= minValue
;
507 m_rangeMax
= maxValue
;
509 ::SendMessage((HWND
) GetHWND(), TBM_SETRANGE
, TRUE
, MAKELONG(minValue
, maxValue
));
514 sprintf(buf
, "%d", m_rangeMin
);
515 SetWindowText((HWND
) m_staticMin
, buf
);
520 sprintf(buf
, "%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 if (GetParent()->GetTransparentBackground())
533 SetBkMode((HDC
) pDC
, TRANSPARENT
);
535 SetBkMode((HDC
) pDC
, OPAQUE
);
537 ::SetBkColor((HDC
) pDC
, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
538 ::SetTextColor((HDC
) pDC
, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
540 wxBrush
*backgroundBrush
= wxTheBrushList
->FindOrCreateBrush(GetBackgroundColour(), wxSOLID
);
541 return (WXHBRUSH
) backgroundBrush
->GetResourceHandle();
544 // For trackbars only
545 void wxSlider95::SetTickFreq(int n
, int pos
)
548 ::SendMessage( (HWND
) GetHWND(), TBM_SETTICFREQ
, (WPARAM
) n
, (LPARAM
) pos
);
551 void wxSlider95::SetPageSize(int pageSize
)
553 ::SendMessage( (HWND
) GetHWND(), TBM_SETPAGESIZE
, (WPARAM
) 0, (LPARAM
) pageSize
);
554 m_pageSize
= pageSize
;
557 int wxSlider95::GetPageSize(void) const
562 void wxSlider95::ClearSel(void)
564 ::SendMessage( (HWND
) GetHWND(), TBM_CLEARSEL
, (WPARAM
) TRUE
, (LPARAM
) 0 );
567 void wxSlider95::ClearTicks(void)
569 ::SendMessage( (HWND
) GetHWND(), TBM_CLEARTICS
, (WPARAM
) TRUE
, (LPARAM
) 0 );
572 void wxSlider95::SetLineSize(int lineSize
)
574 m_lineSize
= lineSize
;
575 ::SendMessage( (HWND
) GetHWND(), TBM_SETLINESIZE
, (WPARAM
) 0, (LPARAM
) lineSize
);
578 int wxSlider95::GetLineSize(void) const
580 return (int) ::SendMessage( (HWND
) GetHWND(), TBM_GETLINESIZE
, (WPARAM
) 0, (LPARAM
) 0 );
583 int wxSlider95::GetSelEnd(void) const
585 return (int) ::SendMessage( (HWND
) GetHWND(), TBM_SETSELEND
, (WPARAM
) 0, (LPARAM
) 0 );
588 int wxSlider95::GetSelStart(void) const
590 return (int) ::SendMessage( (HWND
) GetHWND(), TBM_GETSELSTART
, (WPARAM
) 0, (LPARAM
) 0 );
593 void wxSlider95::SetSelection(int minPos
, int maxPos
)
595 ::SendMessage( (HWND
) GetHWND(), TBM_SETSEL
, (WPARAM
) TRUE
, (LPARAM
) MAKELONG( minPos
, maxPos
) );
598 void wxSlider95::SetThumbLength(int len
)
600 ::SendMessage( (HWND
) GetHWND(), TBM_SETTHUMBLENGTH
, (WPARAM
) len
, (LPARAM
) 0 );
603 int wxSlider95::GetThumbLength(void) const
605 return (int) ::SendMessage( (HWND
) GetHWND(), TBM_GETTHUMBLENGTH
, (WPARAM
) 0, (LPARAM
) 0 );
608 void wxSlider95::SetTick(int tickPos
)
610 ::SendMessage( (HWND
) GetHWND(), TBM_SETTIC
, (WPARAM
) 0, (LPARAM
) tickPos
);
613 bool wxSlider95::ContainsHWND(WXHWND hWnd
) const
615 return ( hWnd
== GetStaticMin() || hWnd
== GetStaticMax() || hWnd
== GetEditValue() );
618 #if WXWIN_COMPATIBILITY
619 // Backward compatibility
620 void wxSlider95::OnScroll(wxScrollEvent
& event
)
622 wxEventType oldEvent
= event
.GetEventType();
623 event
.SetEventType( wxEVT_COMMAND_SLIDER_UPDATED
);
624 if ( !GetEventHandler()->ProcessEvent(event
) )
626 event
.SetEventType( oldEvent
);
627 if (!GetParent()->GetEventHandler()->ProcessEvent(event
))
633 void wxSlider95::Command (wxCommandEvent
& event
)
635 SetValue (event
.GetInt());
636 ProcessCommand (event
);
639 bool wxSlider95::Show(bool show
)
641 wxWindow::Show(show
);
650 ShowWindow((HWND
) m_staticValue
, (BOOL
)cshow
);
652 ShowWindow((HWND
) m_staticMin
, (BOOL
)cshow
);
654 ShowWindow((HWND
) m_staticMax
, (BOOL
)cshow
);