src/msw/slider95.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        slider95.cpp
// Purpose:     wxSlider95, using the Win95 trackbar control
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart and Markus Holzem
// Licence:       wxWindows license
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "slider95.h"
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#include <stdio.h>
#include <wx/utils.h>
#include <wx/brush.h>
#endif

#ifdef __WIN95__

#include "wx/msw/slider95.h"
#include "wx/msw/private.h"

#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__)
#include <commctrl.h>
#endif

#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl)
#endif

// Slider
wxSlider95::wxSlider95()
{
  m_staticValue = 0;
  m_staticMin = 0;
  m_staticMax = 0;
  m_pageSize = 1;
  m_lineSize = 1;
  m_rangeMax = 0;
  m_rangeMin = 0;
  m_tickFreq = 0;
}

bool wxSlider95::Create(wxWindow *parent, wxWindowID id,
           int value, int minValue, int maxValue,
           const wxPoint& pos,
           const wxSize& size, long style,
           const wxValidator& validator,
           const wxString& name)
{
  SetName(name);
  SetValidator(validator);

  if (parent) parent->AddChild(this);
  SetBackgroundColour(parent->GetBackgroundColour()) ;
  SetForegroundColour(parent->GetForegroundColour()) ;

  m_staticValue = 0;
  m_staticMin = 0;
  m_staticMax = 0;
  m_pageSize = 1;
  m_lineSize = 1;
  m_windowStyle = style;
  m_tickFreq = 0;

  if ( id == -1 )
      m_windowId = (int)NewControlId();
  else
    m_windowId = id;

  int x = pos.x;
  int y = pos.y;
  int width = size.x;
  int height = size.y;

  long msStyle ;

  if ( m_windowStyle & wxSL_LABELS )
  {
      msStyle = WS_CHILD | WS_VISIBLE | WS_BORDER | SS_CENTER;

      bool want3D;
      WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;

      m_staticValue = (WXHWND) CreateWindowEx(exStyle, _T("STATIC"), NULL,
                               msStyle,
                               0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
                               wxGetInstance(), NULL);

      // Now create min static control
      wxSprintf(wxBuffer, _T("%d"), minValue);
      m_staticMin = (WXHWND) CreateWindowEx(0, _T("STATIC"), wxBuffer,
                             STATIC_FLAGS,
                             0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
                             wxGetInstance(), NULL);
  }

  msStyle = 0;
  if (m_windowStyle & wxSL_VERTICAL)
    msStyle = TBS_VERT | WS_CHILD | WS_VISIBLE | WS_TABSTOP ;
  else
    msStyle = TBS_HORZ | WS_CHILD | WS_VISIBLE | WS_TABSTOP ;

  if ( m_windowStyle & wxSL_AUTOTICKS )
    msStyle |= TBS_AUTOTICKS ;

  if ( m_windowStyle & wxSL_LEFT )
    msStyle |= TBS_LEFT;
  else if ( m_windowStyle & wxSL_RIGHT )
      msStyle |= TBS_RIGHT;
  else if ( m_windowStyle & wxSL_TOP )
    msStyle |= TBS_TOP;
  else if ( m_windowStyle & wxSL_BOTTOM )
    msStyle |= TBS_BOTTOM;
  else if ( m_windowStyle & wxSL_BOTH )
    msStyle |= TBS_BOTH;
  else if ( ! (m_windowStyle & wxSL_AUTOTICKS) )
    msStyle |= TBS_NOTICKS;

  if ( m_windowStyle & wxSL_SELRANGE )
    msStyle |= TBS_ENABLESELRANGE ;

  HWND scroll_bar = CreateWindowEx(MakeExtendedStyle(m_windowStyle), TRACKBAR_CLASS, wxBuffer,
                         msStyle,
                         0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
                         wxGetInstance(), NULL);

  m_rangeMax = maxValue;
  m_rangeMin = minValue;

  m_pageSize = (int)((maxValue-minValue)/10);

  ::SendMessage(scroll_bar, TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
  ::SendMessage(scroll_bar, TBM_SETPOS, TRUE, (LPARAM)value);
  ::SendMessage(scroll_bar, TBM_SETPAGESIZE, 0, (LPARAM)m_pageSize);

  m_hWnd = (WXHWND)scroll_bar;

  SubclassWin(GetHWND());

  SetWindowText((HWND) m_hWnd, _T(""));

  SetFont(parent->GetFont());

  if ( m_windowStyle & wxSL_LABELS )
  {
      // Finally, create max value static item
      wxSprintf(wxBuffer, _T("%d"), maxValue);
      m_staticMax = (WXHWND) CreateWindowEx(0, _T("STATIC"), wxBuffer,
                             STATIC_FLAGS,
                             0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
                             wxGetInstance(), NULL);


      if (GetFont().Ok())
      {
        if (GetFont().GetResourceHandle())
        {
            if ( m_staticMin )
                  SendMessage((HWND)m_staticMin,WM_SETFONT,
                          (WPARAM)GetFont().GetResourceHandle(),0L);
            if ( m_staticMax )
                  SendMessage((HWND)m_staticMax,WM_SETFONT,
                      (WPARAM)GetFont().GetResourceHandle(),0L);
              if (m_staticValue)
                SendMessage((HWND)m_staticValue,WM_SETFONT,
                        (WPARAM)GetFont().GetResourceHandle(),0L);
        }
      }
  }

  SetSize(x, y, width, height);
  SetValue(value);

  return TRUE;
}

bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
                             WXWORD pos, WXHWND control)
{
    int position = 0; // Dummy - not used in this mode

    int nScrollInc;
    wxEventType scrollEvent = wxEVT_NULL;
    switch ( wParam )
    {
        case SB_TOP:
            nScrollInc = m_rangeMax - position;
            scrollEvent = wxEVT_SCROLL_TOP;
            break;

        case SB_BOTTOM:
            nScrollInc = - position;
            scrollEvent = wxEVT_SCROLL_BOTTOM;
            break;

        case SB_LINEUP:
            nScrollInc = - GetLineSize();
            scrollEvent = wxEVT_SCROLL_LINEUP;
            break;

        case SB_LINEDOWN:
            nScrollInc = GetLineSize();
            scrollEvent = wxEVT_SCROLL_LINEDOWN;
            break;

        case SB_PAGEUP:
            nScrollInc = -GetPageSize();
            scrollEvent = wxEVT_SCROLL_PAGEUP;
            break;

        case SB_PAGEDOWN:
            nScrollInc = GetPageSize();
            scrollEvent = wxEVT_SCROLL_PAGEDOWN;
            break;

        case SB_THUMBTRACK:
        case SB_THUMBPOSITION:
#ifdef __WIN32__
            nScrollInc = (signed short)pos - position;
#else // Win16
            nScrollInc = pos - position;
#endif // Win32/16
            scrollEvent = wxEVT_SCROLL_THUMBTRACK;
            break;

        default:
            nScrollInc = 0;
    }

    if ( nScrollInc == 0 )
    {
        // no event...
        return FALSE;
    }

    int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
    if ( (newPos < GetMin()) || (newPos > GetMax()) )
    {
        // out of range - but we did process it
        return TRUE;
    }

    SetValue(newPos);

    wxScrollEvent event(scrollEvent, m_windowId);
    event.SetPosition(newPos);
    event.SetEventObject( this );
    GetEventHandler()->ProcessEvent(event);

    wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
    cevent.SetEventObject( this );

    return GetEventHandler()->ProcessEvent( cevent );
}

wxSlider95::~wxSlider95()
{
    if (m_staticMin)
      DestroyWindow((HWND) m_staticMin);
    if (m_staticMax)
      DestroyWindow((HWND) m_staticMax);
    if (m_staticValue)
      DestroyWindow((HWND) m_staticValue);
}

int wxSlider95::GetValue() const
{
  return ::SendMessage((HWND) GetHWND(), TBM_GETPOS, 0, 0);
}

void wxSlider95::SetValue(int value)
{
  ::SendMessage((HWND) GetHWND(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);
  if (m_staticValue)
  {
    wxSprintf(wxBuffer, _T("%d"), value);
    SetWindowText((HWND) m_staticValue, wxBuffer);
  }
}

void wxSlider95::GetSize(int *width, int *height) const
{
  RECT rect;
  rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;

  wxFindMaxSize(GetHWND(), &rect);

  if (m_staticMin)
    wxFindMaxSize(m_staticMin, &rect);
  if (m_staticMax)
    wxFindMaxSize(m_staticMax, &rect);
  if (m_staticValue)
    wxFindMaxSize(m_staticValue, &rect);

  *width = rect.right - rect.left;
  *height = rect.bottom - rect.top;
}

void wxSlider95::GetPosition(int *x, int *y) const
{
  wxWindow *parent = GetParent();
  RECT rect;
  rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;

  wxFindMaxSize(GetHWND(), &rect);

  if (m_staticMin)
    wxFindMaxSize(m_staticMin, &rect);
  if (m_staticMax)
    wxFindMaxSize(m_staticMax, &rect);
  if (m_staticValue)
    wxFindMaxSize(m_staticValue, &rect);

  // Since we now have the absolute screen coords,
  // if there's a parent we must subtract its top left corner
  POINT point;
  point.x = rect.left;
  point.y = rect.top;
  if (parent)
    ::ScreenToClient((HWND) parent->GetHWND(), &point);

  // We may be faking the client origin.
  // So a window that's really at (0, 30) may appear
  // (to wxWin apps) to be at (0, 0).
  if (GetParent())
  {
    wxPoint pt(GetParent()->GetClientAreaOrigin());
    point.x -= pt.x;
    point.y -= pt.y;
  }
  *x = point.x;
  *y = point.y;
}

void wxSlider95::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
  int x1 = x;
  int y1 = y;
  int w1 = width;
  int h1 = height;

  int currentX, currentY;
  GetPosition(&currentX, &currentY);
  if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
    x1 = currentX;
  if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
    y1 = currentY;

  AdjustForParentClientOrigin(x1, y1, sizeFlags);

  wxChar buf[300];

  int x_offset = x;
  int y_offset = y;

  int cx;     // slider,min,max sizes
  int cy;
  int cyf;

  wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont());

  if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
  {
    if ( m_windowStyle & wxSL_LABELS )
    {
    int min_len = 0;

    GetWindowText((HWND) m_staticMin, buf, 300);
    GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());

    int max_len = 0;

    GetWindowText((HWND) m_staticMax, buf, 300);
    GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
    if (m_staticValue)
    {
      int new_width = (int)(wxMax(min_len, max_len));
      int valueHeight = (int)cyf;
#ifdef __WIN32__
      // For some reason, under Win95, the text edit control has
      // a lot of space before the first character
      new_width += 3*cx;
#endif
      // The height needs to be a bit bigger under Win95 if using native
      // 3D effects.
      valueHeight = (int) (valueHeight * 1.5) ;
      MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
      x_offset += new_width + cx;
    }

    MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
    x_offset += (int)(min_len + cx);

    int slider_length = (int)(w1 - x_offset - max_len - cx);

    int slider_height = h1;
    if (slider_height < 0 )
        slider_height = 20;

    // Slider must have a minimum/default length/height
    if (slider_length < 100)
      slider_length = 100;

    MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_length, slider_height, TRUE);
    x_offset += slider_length + cx;

    MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
    }
    else
    {
        // No labels
        // If we're prepared to use the existing size, then...
        if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
        {
            GetSize(&w1, &h1);
        }
        if ( w1 < 0 )
            w1 = 200;
        if ( h1 < 0 )
            h1 = 20;
        MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
    }
  }
  else
  {
    if ( m_windowStyle & wxSL_LABELS )
    {
    int min_len;
    GetWindowText((HWND) m_staticMin, buf, 300);
    GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());

    int max_len;
    GetWindowText((HWND) m_staticMax, buf, 300);
    GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());

    if (m_staticValue)
    {
      int new_width = (int)(wxMax(min_len, max_len));
      int valueHeight = (int)cyf;
/*** Suggested change by George Tasker - remove this block...
#ifdef __WIN32__
      // For some reason, under Win95, the text edit control has
      // a lot of space before the first character
      new_width += 3*cx;
#endif
 ... and replace with following line: */
      new_width += cx;

      // The height needs to be a bit bigger under Win95 if using native
      // 3D effects.
      valueHeight = (int) (valueHeight * 1.5) ;

      MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
      y_offset += valueHeight;
    }

    MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
    y_offset += cy;

    int slider_length = (int)(h1 - y_offset - cy - cy);

    int slider_width = w1;
    if (slider_width < 0 )
        slider_width = 20;

    // Slider must have a minimum/default length
    if (slider_length < 100)
      slider_length = 100;

    MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_width, slider_length, TRUE);
    y_offset += slider_length;

    MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
    }
    else
    {
        // No labels
        // If we're prepared to use the existing size, then...
        if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
        {
            GetSize(&w1, &h1);
        }
        if ( w1 < 0 )
            w1 = 20;
        if ( h1 < 0 )
            h1 = 200;
        MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
    }
  }
}

void wxSlider95::SetRange(int minValue, int maxValue)
{
  m_rangeMin = minValue;
  m_rangeMax = maxValue;

  ::SendMessage((HWND) GetHWND(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));

  wxChar buf[40];
  if ( m_staticMin )
  {
      wxSprintf(buf, _T("%d"), m_rangeMin);
      SetWindowText((HWND) m_staticMin, buf);
  }

  if ( m_staticMax )
  {
    wxSprintf(buf, _T("%d"), m_rangeMax);
    SetWindowText((HWND) m_staticMax, buf);
  }
}

WXHBRUSH wxSlider95::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
            WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
  if ( nCtlColor == CTLCOLOR_SCROLLBAR )
    return 0;

  // Otherwise, it's a static
  if (GetParent()->GetTransparentBackground())
    SetBkMode((HDC) pDC, TRANSPARENT);
  else
    SetBkMode((HDC) pDC, OPAQUE);

  ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
  ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));

  wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
  return (WXHBRUSH) backgroundBrush->GetResourceHandle();
}

// For trackbars only
void wxSlider95::SetTickFreq(int n, int pos)
{
  m_tickFreq = n;
  ::SendMessage( (HWND) GetHWND(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
}

void wxSlider95::SetPageSize(int pageSize)
{
  ::SendMessage( (HWND) GetHWND(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
  m_pageSize = pageSize;
}

int wxSlider95::GetPageSize() const
{
  return m_pageSize;
}

void wxSlider95::ClearSel()
{
  ::SendMessage( (HWND) GetHWND(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0 );
}

void wxSlider95::ClearTicks()
{
  ::SendMessage( (HWND) GetHWND(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0 );
}

void wxSlider95::SetLineSize(int lineSize)
{
  m_lineSize = lineSize;
  ::SendMessage( (HWND) GetHWND(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize );
}

int wxSlider95::GetLineSize() const
{
  return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETLINESIZE, (WPARAM) 0, (LPARAM) 0 );
}

int wxSlider95::GetSelEnd() const
{
  return (int) ::SendMessage( (HWND) GetHWND(), TBM_SETSELEND, (WPARAM) 0, (LPARAM) 0 );
}

int wxSlider95::GetSelStart() const
{
  return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETSELSTART, (WPARAM) 0, (LPARAM) 0 );
}

void wxSlider95::SetSelection(int minPos, int maxPos)
{
  ::SendMessage( (HWND) GetHWND(), TBM_SETSEL, (WPARAM) TRUE, (LPARAM) MAKELONG( minPos, maxPos) );
}

void wxSlider95::SetThumbLength(int len)
{
  ::SendMessage( (HWND) GetHWND(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0 );
}

int wxSlider95::GetThumbLength() const
{
  return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETTHUMBLENGTH, (WPARAM) 0, (LPARAM) 0 );
}

void wxSlider95::SetTick(int tickPos)
{
  ::SendMessage( (HWND) GetHWND(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
}

bool wxSlider95::ContainsHWND(WXHWND hWnd) const
{
    return ( hWnd == GetStaticMin() || hWnd == GetStaticMax() || hWnd == GetEditValue() );
}

void wxSlider95::Command (wxCommandEvent & event)
{
  SetValue (event.GetInt());
  ProcessCommand (event);
}

bool wxSlider95::Show(bool show)
{
    wxWindow::Show(show);

    int cshow;
    if (show)
        cshow = SW_SHOW;
    else
        cshow = SW_HIDE;

    if(m_staticValue)
        ShowWindow((HWND) m_staticValue, (BOOL)cshow);
    if(m_staticMin)
        ShowWindow((HWND) m_staticMin, (BOOL)cshow);
    if(m_staticMax)
        ShowWindow((HWND) m_staticMax, (BOOL)cshow);
    return TRUE;
}

#endif
  // __WIN95__
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: slider95.cpp
	3	// Purpose: wxSlider95, using the Win95 trackbar control
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 04/01/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart and Markus Holzem
	9	// Licence: wxWindows license
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifdef __GNUG__
	13	#pragma implementation "slider95.h"
	14	#endif
	15
	16	// For compilers that support precompilation, includes "wx.h".
	17	#include "wx/wxprec.h"
	18
	19	#ifdef __BORLANDC__
	20	#pragma hdrstop
	21	#endif
	22
	23	#ifndef WX_PRECOMP
	24	#include <stdio.h>
	25	#include <wx/utils.h>
	26	#include <wx/brush.h>
	27	#endif
	28
	29	#ifdef __WIN95__
	30
	31	#include "wx/msw/slider95.h"
	32	#include "wx/msw/private.h"
	33
	34	#if (defined(__WIN95__) && !defined(__GNUWIN32__)) \|\| defined(__TWIN32__)
	35	#include <commctrl.h>
	36	#endif
	37
	38	#if !USE_SHARED_LIBRARY
	39	IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl)
	40	#endif
	41
	42	// Slider
	43	wxSlider95::wxSlider95()
	44	{
	45	m_staticValue = 0;
	46	m_staticMin = 0;
	47	m_staticMax = 0;
	48	m_pageSize = 1;
	49	m_lineSize = 1;
	50	m_rangeMax = 0;
	51	m_rangeMin = 0;
	52	m_tickFreq = 0;
	53	}
	54
	55	bool wxSlider95::Create(wxWindow *parent, wxWindowID id,
	56	int value, int minValue, int maxValue,
	57	const wxPoint& pos,
	58	const wxSize& size, long style,
	59	const wxValidator& validator,
	60	const wxString& name)
	61	{
	62	SetName(name);
	63	SetValidator(validator);
	64
	65	if (parent) parent->AddChild(this);
	66	SetBackgroundColour(parent->GetBackgroundColour()) ;
	67	SetForegroundColour(parent->GetForegroundColour()) ;
	68
	69	m_staticValue = 0;
	70	m_staticMin = 0;
	71	m_staticMax = 0;
	72	m_pageSize = 1;
	73	m_lineSize = 1;
	74	m_windowStyle = style;
	75	m_tickFreq = 0;
	76
	77	if ( id == -1 )
	78	m_windowId = (int)NewControlId();
	79	else
	80	m_windowId = id;
	81
	82	int x = pos.x;
	83	int y = pos.y;
	84	int width = size.x;
	85	int height = size.y;
	86
	87	long msStyle ;
	88
	89	if ( m_windowStyle & wxSL_LABELS )
	90	{
	91	msStyle = WS_CHILD \| WS_VISIBLE \| WS_BORDER \| SS_CENTER;
	92
	93	bool want3D;
	94	WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
	95
	96	m_staticValue = (WXHWND) CreateWindowEx(exStyle, _T("STATIC"), NULL,
	97	msStyle,
	98	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	99	wxGetInstance(), NULL);
	100
	101	// Now create min static control
	102	wxSprintf(wxBuffer, _T("%d"), minValue);
	103	m_staticMin = (WXHWND) CreateWindowEx(0, _T("STATIC"), wxBuffer,
	104	STATIC_FLAGS,
	105	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	106	wxGetInstance(), NULL);
	107	}
	108
	109	msStyle = 0;
	110	if (m_windowStyle & wxSL_VERTICAL)
	111	msStyle = TBS_VERT \| WS_CHILD \| WS_VISIBLE \| WS_TABSTOP ;
	112	else
	113	msStyle = TBS_HORZ \| WS_CHILD \| WS_VISIBLE \| WS_TABSTOP ;
	114
	115	if ( m_windowStyle & wxSL_AUTOTICKS )
	116	msStyle \|= TBS_AUTOTICKS ;
	117
	118	if ( m_windowStyle & wxSL_LEFT )
	119	msStyle \|= TBS_LEFT;
	120	else if ( m_windowStyle & wxSL_RIGHT )
	121	msStyle \|= TBS_RIGHT;
	122	else if ( m_windowStyle & wxSL_TOP )
	123	msStyle \|= TBS_TOP;
	124	else if ( m_windowStyle & wxSL_BOTTOM )
	125	msStyle \|= TBS_BOTTOM;
	126	else if ( m_windowStyle & wxSL_BOTH )
	127	msStyle \|= TBS_BOTH;
	128	else if ( ! (m_windowStyle & wxSL_AUTOTICKS) )
	129	msStyle \|= TBS_NOTICKS;
	130
	131	if ( m_windowStyle & wxSL_SELRANGE )
	132	msStyle \|= TBS_ENABLESELRANGE ;
	133
	134	HWND scroll_bar = CreateWindowEx(MakeExtendedStyle(m_windowStyle), TRACKBAR_CLASS, wxBuffer,
	135	msStyle,
	136	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
	137	wxGetInstance(), NULL);
	138
	139	m_rangeMax = maxValue;
	140	m_rangeMin = minValue;
	141
	142	m_pageSize = (int)((maxValue-minValue)/10);
	143
	144	::SendMessage(scroll_bar, TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
	145	::SendMessage(scroll_bar, TBM_SETPOS, TRUE, (LPARAM)value);
	146	::SendMessage(scroll_bar, TBM_SETPAGESIZE, 0, (LPARAM)m_pageSize);
	147
	148	m_hWnd = (WXHWND)scroll_bar;
	149
	150	SubclassWin(GetHWND());
	151
	152	SetWindowText((HWND) m_hWnd, _T(""));
	153
	154	SetFont(parent->GetFont());
	155
	156	if ( m_windowStyle & wxSL_LABELS )
	157	{
	158	// Finally, create max value static item
	159	wxSprintf(wxBuffer, _T("%d"), maxValue);
	160	m_staticMax = (WXHWND) CreateWindowEx(0, _T("STATIC"), wxBuffer,
	161	STATIC_FLAGS,
	162	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	163	wxGetInstance(), NULL);
	164
	165
	166	if (GetFont().Ok())
	167	{
	168	if (GetFont().GetResourceHandle())
	169	{
	170	if ( m_staticMin )
	171	SendMessage((HWND)m_staticMin,WM_SETFONT,
	172	(WPARAM)GetFont().GetResourceHandle(),0L);
	173	if ( m_staticMax )
	174	SendMessage((HWND)m_staticMax,WM_SETFONT,
	175	(WPARAM)GetFont().GetResourceHandle(),0L);
	176	if (m_staticValue)
	177	SendMessage((HWND)m_staticValue,WM_SETFONT,
	178	(WPARAM)GetFont().GetResourceHandle(),0L);
	179	}
	180	}
	181	}
	182
	183	SetSize(x, y, width, height);
	184	SetValue(value);
	185
	186	return TRUE;
	187	}
	188
	189	bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
	190	WXWORD pos, WXHWND control)
	191	{
	192	int position = 0; // Dummy - not used in this mode
	193
	194	int nScrollInc;
	195	wxEventType scrollEvent = wxEVT_NULL;
	196	switch ( wParam )
	197	{
	198	case SB_TOP:
	199	nScrollInc = m_rangeMax - position;
	200	scrollEvent = wxEVT_SCROLL_TOP;
	201	break;
	202
	203	case SB_BOTTOM:
	204	nScrollInc = - position;
	205	scrollEvent = wxEVT_SCROLL_BOTTOM;
	206	break;
	207
	208	case SB_LINEUP:
	209	nScrollInc = - GetLineSize();
	210	scrollEvent = wxEVT_SCROLL_LINEUP;
	211	break;
	212
	213	case SB_LINEDOWN:
	214	nScrollInc = GetLineSize();
	215	scrollEvent = wxEVT_SCROLL_LINEDOWN;
	216	break;
	217
	218	case SB_PAGEUP:
	219	nScrollInc = -GetPageSize();
	220	scrollEvent = wxEVT_SCROLL_PAGEUP;
	221	break;
	222
	223	case SB_PAGEDOWN:
	224	nScrollInc = GetPageSize();
	225	scrollEvent = wxEVT_SCROLL_PAGEDOWN;
	226	break;
	227
	228	case SB_THUMBTRACK:
	229	case SB_THUMBPOSITION:
	230	#ifdef __WIN32__
	231	nScrollInc = (signed short)pos - position;
	232	#else // Win16
	233	nScrollInc = pos - position;
	234	#endif // Win32/16
	235	scrollEvent = wxEVT_SCROLL_THUMBTRACK;
	236	break;
	237
	238	default:
	239	nScrollInc = 0;
	240	}
	241
	242	if ( nScrollInc == 0 )
	243	{
	244	// no event...
	245	return FALSE;
	246	}
	247
	248	int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
	249	if ( (newPos < GetMin()) \|\| (newPos > GetMax()) )
	250	{
	251	// out of range - but we did process it
	252	return TRUE;
	253	}
	254
	255	SetValue(newPos);
	256
	257	wxScrollEvent event(scrollEvent, m_windowId);
	258	event.SetPosition(newPos);
	259	event.SetEventObject( this );
	260	GetEventHandler()->ProcessEvent(event);
	261
	262	wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
	263	cevent.SetEventObject( this );
	264
	265	return GetEventHandler()->ProcessEvent( cevent );
	266	}
	267
	268	wxSlider95::~wxSlider95()
	269	{
	270	if (m_staticMin)
	271	DestroyWindow((HWND) m_staticMin);
	272	if (m_staticMax)
	273	DestroyWindow((HWND) m_staticMax);
	274	if (m_staticValue)
	275	DestroyWindow((HWND) m_staticValue);
	276	}
	277
	278	int wxSlider95::GetValue() const
	279	{
	280	return ::SendMessage((HWND) GetHWND(), TBM_GETPOS, 0, 0);
	281	}
	282
	283	void wxSlider95::SetValue(int value)
	284	{
	285	::SendMessage((HWND) GetHWND(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);
	286	if (m_staticValue)
	287	{
	288	wxSprintf(wxBuffer, _T("%d"), value);
	289	SetWindowText((HWND) m_staticValue, wxBuffer);
	290	}
	291	}
	292
	293	void wxSlider95::GetSize(int width, int height) const
	294	{
	295	RECT rect;
	296	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	297
	298	wxFindMaxSize(GetHWND(), &rect);
	299
	300	if (m_staticMin)
	301	wxFindMaxSize(m_staticMin, &rect);
	302	if (m_staticMax)
	303	wxFindMaxSize(m_staticMax, &rect);
	304	if (m_staticValue)
	305	wxFindMaxSize(m_staticValue, &rect);
	306
	307	*width = rect.right - rect.left;
	308	*height = rect.bottom - rect.top;
	309	}
	310
	311	void wxSlider95::GetPosition(int x, int y) const
	312	{
	313	wxWindow *parent = GetParent();
	314	RECT rect;
	315	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	316
	317	wxFindMaxSize(GetHWND(), &rect);
	318
	319	if (m_staticMin)
	320	wxFindMaxSize(m_staticMin, &rect);
	321	if (m_staticMax)
	322	wxFindMaxSize(m_staticMax, &rect);
	323	if (m_staticValue)
	324	wxFindMaxSize(m_staticValue, &rect);
	325
	326	// Since we now have the absolute screen coords,
	327	// if there's a parent we must subtract its top left corner
	328	POINT point;
	329	point.x = rect.left;
	330	point.y = rect.top;
	331	if (parent)
	332	::ScreenToClient((HWND) parent->GetHWND(), &point);
	333
	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).
	337	if (GetParent())
	338	{
	339	wxPoint pt(GetParent()->GetClientAreaOrigin());
	340	point.x -= pt.x;
	341	point.y -= pt.y;
	342	}
	343	*x = point.x;
	344	*y = point.y;
	345	}
	346
	347	void wxSlider95::DoSetSize(int x, int y, int width, int height, int sizeFlags)
	348	{
	349	int x1 = x;
	350	int y1 = y;
	351	int w1 = width;
	352	int h1 = height;
	353
	354	int currentX, currentY;
	355	GetPosition(&currentX, &currentY);
	356	if (x == -1 \|\| (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	357	x1 = currentX;
	358	if (y == -1 \|\| (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	359	y1 = currentY;
	360
	361	AdjustForParentClientOrigin(x1, y1, sizeFlags);
	362
	363	wxChar buf[300];
	364
	365	int x_offset = x;
	366	int y_offset = y;
	367
	368	int cx; // slider,min,max sizes
	369	int cy;
	370	int cyf;
	371
	372	wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont());
	373
	374	if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
	375	{
	376	if ( m_windowStyle & wxSL_LABELS )
	377	{
	378	int min_len = 0;
	379
	380	GetWindowText((HWND) m_staticMin, buf, 300);
	381	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
	382
	383	int max_len = 0;
	384
	385	GetWindowText((HWND) m_staticMax, buf, 300);
	386	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
	387	if (m_staticValue)
	388	{
	389	int new_width = (int)(wxMax(min_len, max_len));
	390	int valueHeight = (int)cyf;
	391	#ifdef __WIN32__
	392	// For some reason, under Win95, the text edit control has
	393	// a lot of space before the first character
	394	new_width += 3*cx;
	395	#endif
	396	// The height needs to be a bit bigger under Win95 if using native
	397	// 3D effects.
	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;
	401	}
	402
	403	MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
	404	x_offset += (int)(min_len + cx);
	405
	406	int slider_length = (int)(w1 - x_offset - max_len - cx);
	407
	408	int slider_height = h1;
	409	if (slider_height < 0 )
	410	slider_height = 20;
	411
	412	// Slider must have a minimum/default length/height
	413	if (slider_length < 100)
	414	slider_length = 100;
	415
	416	MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_length, slider_height, TRUE);
	417	x_offset += slider_length + cx;
	418
	419	MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
	420	}
	421	else
	422	{
	423	// No labels
	424	// If we're prepared to use the existing size, then...
	425	if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
	426	{
	427	GetSize(&w1, &h1);
	428	}
	429	if ( w1 < 0 )
	430	w1 = 200;
	431	if ( h1 < 0 )
	432	h1 = 20;
	433	MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
	434	}
	435	}
	436	else
	437	{
	438	if ( m_windowStyle & wxSL_LABELS )
	439	{
	440	int min_len;
	441	GetWindowText((HWND) m_staticMin, buf, 300);
	442	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
	443
	444	int max_len;
	445	GetWindowText((HWND) m_staticMax, buf, 300);
	446	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
	447
	448	if (m_staticValue)
	449	{
	450	int new_width = (int)(wxMax(min_len, max_len));
	451	int valueHeight = (int)cyf;
	452	/*** Suggested change by George Tasker - remove this block...
	453	#ifdef __WIN32__
	454	// For some reason, under Win95, the text edit control has
	455	// a lot of space before the first character
	456	new_width += 3*cx;
	457	#endif
	458	... and replace with following line: */
	459	new_width += cx;
	460
	461	// The height needs to be a bit bigger under Win95 if using native
	462	// 3D effects.
	463	valueHeight = (int) (valueHeight * 1.5) ;
	464
	465	MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
	466	y_offset += valueHeight;
	467	}
	468
	469	MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
	470	y_offset += cy;
	471
	472	int slider_length = (int)(h1 - y_offset - cy - cy);
	473
	474	int slider_width = w1;
	475	if (slider_width < 0 )
	476	slider_width = 20;
	477
	478	// Slider must have a minimum/default length
	479	if (slider_length < 100)
	480	slider_length = 100;
	481
	482	MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_width, slider_length, TRUE);
	483	y_offset += slider_length;
	484
	485	MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
	486	}
	487	else
	488	{
	489	// No labels
	490	// If we're prepared to use the existing size, then...
	491	if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
	492	{
	493	GetSize(&w1, &h1);
	494	}
	495	if ( w1 < 0 )
	496	w1 = 20;
	497	if ( h1 < 0 )
	498	h1 = 200;
	499	MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
	500	}
	501	}
	502	}
	503
	504	void wxSlider95::SetRange(int minValue, int maxValue)
	505	{
	506	m_rangeMin = minValue;
	507	m_rangeMax = maxValue;
	508
	509	::SendMessage((HWND) GetHWND(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
	510
	511	wxChar buf[40];
	512	if ( m_staticMin )
	513	{
	514	wxSprintf(buf, _T("%d"), m_rangeMin);
	515	SetWindowText((HWND) m_staticMin, buf);
	516	}
	517
	518	if ( m_staticMax )
	519	{
	520	wxSprintf(buf, _T("%d"), m_rangeMax);
	521	SetWindowText((HWND) m_staticMax, buf);
	522	}
	523	}
	524
	525	WXHBRUSH wxSlider95::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
	526	WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
	527	{
	528	if ( nCtlColor == CTLCOLOR_SCROLLBAR )
	529	return 0;
	530
	531	// Otherwise, it's a static
	532	if (GetParent()->GetTransparentBackground())
	533	SetBkMode((HDC) pDC, TRANSPARENT);
	534	else
	535	SetBkMode((HDC) pDC, OPAQUE);
	536
	537	::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
	538	::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
	539
	540	wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
	541	return (WXHBRUSH) backgroundBrush->GetResourceHandle();
	542	}
	543
	544	// For trackbars only
	545	void wxSlider95::SetTickFreq(int n, int pos)
	546	{
	547	m_tickFreq = n;
	548	::SendMessage( (HWND) GetHWND(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
	549	}
	550
	551	void wxSlider95::SetPageSize(int pageSize)
	552	{
	553	::SendMessage( (HWND) GetHWND(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
	554	m_pageSize = pageSize;
	555	}
	556
	557	int wxSlider95::GetPageSize() const
	558	{
	559	return m_pageSize;
	560	}
	561
	562	void wxSlider95::ClearSel()
	563	{
	564	::SendMessage( (HWND) GetHWND(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0 );
	565	}
	566
	567	void wxSlider95::ClearTicks()
	568	{
	569	::SendMessage( (HWND) GetHWND(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0 );
	570	}
	571
	572	void wxSlider95::SetLineSize(int lineSize)
	573	{
	574	m_lineSize = lineSize;
	575	::SendMessage( (HWND) GetHWND(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize );
	576	}
	577
	578	int wxSlider95::GetLineSize() const
	579	{
	580	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETLINESIZE, (WPARAM) 0, (LPARAM) 0 );
	581	}
	582
	583	int wxSlider95::GetSelEnd() const
	584	{
	585	return (int) ::SendMessage( (HWND) GetHWND(), TBM_SETSELEND, (WPARAM) 0, (LPARAM) 0 );
	586	}
	587
	588	int wxSlider95::GetSelStart() const
	589	{
	590	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETSELSTART, (WPARAM) 0, (LPARAM) 0 );
	591	}
	592
	593	void wxSlider95::SetSelection(int minPos, int maxPos)
	594	{
	595	::SendMessage( (HWND) GetHWND(), TBM_SETSEL, (WPARAM) TRUE, (LPARAM) MAKELONG( minPos, maxPos) );
	596	}
	597
	598	void wxSlider95::SetThumbLength(int len)
	599	{
	600	::SendMessage( (HWND) GetHWND(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0 );
	601	}
	602
	603	int wxSlider95::GetThumbLength() const
	604	{
	605	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETTHUMBLENGTH, (WPARAM) 0, (LPARAM) 0 );
	606	}
	607
	608	void wxSlider95::SetTick(int tickPos)
	609	{
	610	::SendMessage( (HWND) GetHWND(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
	611	}
	612
	613	bool wxSlider95::ContainsHWND(WXHWND hWnd) const
	614	{
	615	return ( hWnd == GetStaticMin() \|\| hWnd == GetStaticMax() \|\| hWnd == GetEditValue() );
	616	}
	617
	618	void wxSlider95::Command (wxCommandEvent & event)
	619	{
	620	SetValue (event.GetInt());
	621	ProcessCommand (event);
	622	}
	623
	624	bool wxSlider95::Show(bool show)
	625	{
	626	wxWindow::Show(show);
	627
	628	int cshow;
	629	if (show)
	630	cshow = SW_SHOW;
	631	else
	632	cshow = SW_HIDE;
	633
	634	if(m_staticValue)
	635	ShowWindow((HWND) m_staticValue, (BOOL)cshow);
	636	if(m_staticMin)
	637	ShowWindow((HWND) m_staticMin, (BOOL)cshow);
	638	if(m_staticMax)
	639	ShowWindow((HWND) m_staticMax, (BOOL)cshow);
	640	return TRUE;
	641	}
	642
	643	#endif
	644	// __WIN95__
	645