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_OLD__) || defined(__TWIN32__))
    #include <commctrl.h>
#endif

IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl)

// 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);
#if wxUSE_VALIDATORS
  SetValidator(validator);
#endif // wxUSE_VALIDATORS

  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=0 ;
  long wstyle=0 ;

  if ( m_windowStyle & wxCLIP_SIBLINGS )
    msStyle |= WS_CLIPSIBLINGS;

  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, wxT("STATIC"), NULL,
                               msStyle,
                               0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
                               wxGetInstance(), NULL);

      // Now create min static control
      wxSprintf(wxBuffer, wxT("%d"), minValue);
      wstyle = STATIC_FLAGS;
      if ( m_windowStyle & wxCLIP_SIBLINGS )
        msStyle |= WS_CLIPSIBLINGS;
      m_staticMin = (WXHWND) CreateWindowEx(0, wxT("STATIC"), wxBuffer,
                             wstyle,
                             0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
                             wxGetInstance(), NULL);
  }

  msStyle = 0;

  if ( m_windowStyle & wxCLIP_SIBLINGS )
    msStyle |= WS_CLIPSIBLINGS;

  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, wxT(""));

  SetFont(parent->GetFont());

  if ( m_windowStyle & wxSL_LABELS )
  {
      // Finally, create max value static item
      wxSprintf(wxBuffer, wxT("%d"), maxValue);
      wstyle = STATIC_FLAGS;
      if ( m_windowStyle & wxCLIP_SIBLINGS )
        msStyle |= WS_CLIPSIBLINGS;
      m_staticMax = (WXHWND) CreateWindowEx(0, wxT("STATIC"), wxBuffer,
                             wstyle,
                             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 (scrollEvent == wxEVT_NULL)
    {
        // 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.SetInt( newPos );
    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(GetHwnd(), TBM_GETPOS, 0, 0);
}

void wxSlider95::SetValue(int value)
{
  ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);
  if (m_staticValue)
  {
    wxSprintf(wxBuffer, wxT("%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;
}

// TODO one day, make sense of all this horros and replace it with a readable
//      DoGetBestSize()
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(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(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(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(GetHwnd(), x1, y1, w1, h1, TRUE);
    }
  }
}

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

  ::SendMessage(GetHwnd(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));

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

  if ( m_staticMax )
  {
    wxSprintf(buf, wxT("%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
  return wxControl::OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
}

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

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

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

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

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

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

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

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

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

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

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

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

void wxSlider95::SetTick(int tickPos)
{
  ::SendMessage( 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_OLD__) \|\| defined(__TWIN32__))
	35	#include <commctrl.h>
	36	#endif
	37
	38	IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl)
	39
	40	// Slider
	41	wxSlider95::wxSlider95()
	42	{
	43	m_staticValue = 0;
	44	m_staticMin = 0;
	45	m_staticMax = 0;
	46	m_pageSize = 1;
	47	m_lineSize = 1;
	48	m_rangeMax = 0;
	49	m_rangeMin = 0;
	50	m_tickFreq = 0;
	51	}
	52
	53	bool wxSlider95::Create(wxWindow *parent, wxWindowID id,
	54	int value, int minValue, int maxValue,
	55	const wxPoint& pos,
	56	const wxSize& size, long style,
	57	const wxValidator& validator,
	58	const wxString& name)
	59	{
	60	SetName(name);
	61	#if wxUSE_VALIDATORS
	62	SetValidator(validator);
	63	#endif // wxUSE_VALIDATORS
	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=0 ;
	88	long wstyle=0 ;
	89
	90	if ( m_windowStyle & wxCLIP_SIBLINGS )
	91	msStyle \|= WS_CLIPSIBLINGS;
	92
	93	if ( m_windowStyle & wxSL_LABELS )
	94	{
	95	msStyle \|= WS_CHILD \| WS_VISIBLE \| WS_BORDER \| SS_CENTER;
	96
	97	bool want3D;
	98	WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
	99
	100	m_staticValue = (WXHWND) CreateWindowEx(exStyle, wxT("STATIC"), NULL,
	101	msStyle,
	102	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	103	wxGetInstance(), NULL);
	104
	105	// Now create min static control
	106	wxSprintf(wxBuffer, wxT("%d"), minValue);
	107	wstyle = STATIC_FLAGS;
	108	if ( m_windowStyle & wxCLIP_SIBLINGS )
	109	msStyle \|= WS_CLIPSIBLINGS;
	110	m_staticMin = (WXHWND) CreateWindowEx(0, wxT("STATIC"), wxBuffer,
	111	wstyle,
	112	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	113	wxGetInstance(), NULL);
	114	}
	115
	116	msStyle = 0;
	117
	118	if ( m_windowStyle & wxCLIP_SIBLINGS )
	119	msStyle \|= WS_CLIPSIBLINGS;
	120
	121	if (m_windowStyle & wxSL_VERTICAL)
	122	msStyle = TBS_VERT \| WS_CHILD \| WS_VISIBLE \| WS_TABSTOP ;
	123	else
	124	msStyle = TBS_HORZ \| WS_CHILD \| WS_VISIBLE \| WS_TABSTOP ;
	125
	126	if ( m_windowStyle & wxSL_AUTOTICKS )
	127	msStyle \|= TBS_AUTOTICKS ;
	128
	129	if ( m_windowStyle & wxSL_LEFT )
	130	msStyle \|= TBS_LEFT;
	131	else if ( m_windowStyle & wxSL_RIGHT )
	132	msStyle \|= TBS_RIGHT;
	133	else if ( m_windowStyle & wxSL_TOP )
	134	msStyle \|= TBS_TOP;
	135	else if ( m_windowStyle & wxSL_BOTTOM )
	136	msStyle \|= TBS_BOTTOM;
	137	else if ( m_windowStyle & wxSL_BOTH )
	138	msStyle \|= TBS_BOTH;
	139	else if ( ! (m_windowStyle & wxSL_AUTOTICKS) )
	140	msStyle \|= TBS_NOTICKS;
	141
	142	if ( m_windowStyle & wxSL_SELRANGE )
	143	msStyle \|= TBS_ENABLESELRANGE ;
	144
	145	HWND scroll_bar = CreateWindowEx(MakeExtendedStyle(m_windowStyle), TRACKBAR_CLASS, wxBuffer,
	146	msStyle,
	147	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
	148	wxGetInstance(), NULL);
	149
	150	m_rangeMax = maxValue;
	151	m_rangeMin = minValue;
	152
	153	m_pageSize = (int)((maxValue-minValue)/10);
	154
	155	::SendMessage(scroll_bar, TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
	156	::SendMessage(scroll_bar, TBM_SETPOS, TRUE, (LPARAM)value);
	157	::SendMessage(scroll_bar, TBM_SETPAGESIZE, 0, (LPARAM)m_pageSize);
	158
	159	m_hWnd = (WXHWND)scroll_bar;
	160
	161	SubclassWin(GetHWND());
	162
	163	SetWindowText((HWND) m_hWnd, wxT(""));
	164
	165	SetFont(parent->GetFont());
	166
	167	if ( m_windowStyle & wxSL_LABELS )
	168	{
	169	// Finally, create max value static item
	170	wxSprintf(wxBuffer, wxT("%d"), maxValue);
	171	wstyle = STATIC_FLAGS;
	172	if ( m_windowStyle & wxCLIP_SIBLINGS )
	173	msStyle \|= WS_CLIPSIBLINGS;
	174	m_staticMax = (WXHWND) CreateWindowEx(0, wxT("STATIC"), wxBuffer,
	175	wstyle,
	176	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	177	wxGetInstance(), NULL);
	178
	179
	180	if (GetFont().Ok())
	181	{
	182	if (GetFont().GetResourceHandle())
	183	{
	184	if ( m_staticMin )
	185	SendMessage((HWND)m_staticMin,WM_SETFONT,
	186	(WPARAM)GetFont().GetResourceHandle(),0L);
	187	if ( m_staticMax )
	188	SendMessage((HWND)m_staticMax,WM_SETFONT,
	189	(WPARAM)GetFont().GetResourceHandle(),0L);
	190	if (m_staticValue)
	191	SendMessage((HWND)m_staticValue,WM_SETFONT,
	192	(WPARAM)GetFont().GetResourceHandle(),0L);
	193	}
	194	}
	195	}
	196
	197	SetSize(x, y, width, height);
	198	SetValue(value);
	199
	200	return TRUE;
	201	}
	202
	203	bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
	204	WXWORD pos, WXHWND control)
	205	{
	206	int position = 0; // Dummy - not used in this mode
	207
	208	int nScrollInc;
	209	wxEventType scrollEvent = wxEVT_NULL;
	210	switch ( wParam )
	211	{
	212	case SB_TOP:
	213	nScrollInc = m_rangeMax - position;
	214	scrollEvent = wxEVT_SCROLL_TOP;
	215	break;
	216
	217	case SB_BOTTOM:
	218	nScrollInc = - position;
	219	scrollEvent = wxEVT_SCROLL_BOTTOM;
	220	break;
	221
	222	case SB_LINEUP:
	223	nScrollInc = - GetLineSize();
	224	scrollEvent = wxEVT_SCROLL_LINEUP;
	225	break;
	226
	227	case SB_LINEDOWN:
	228	nScrollInc = GetLineSize();
	229	scrollEvent = wxEVT_SCROLL_LINEDOWN;
	230	break;
	231
	232	case SB_PAGEUP:
	233	nScrollInc = -GetPageSize();
	234	scrollEvent = wxEVT_SCROLL_PAGEUP;
	235	break;
	236
	237	case SB_PAGEDOWN:
	238	nScrollInc = GetPageSize();
	239	scrollEvent = wxEVT_SCROLL_PAGEDOWN;
	240	break;
	241
	242	case SB_THUMBTRACK:
	243	case SB_THUMBPOSITION:
	244	#ifdef __WIN32__
	245	nScrollInc = (signed short)pos - position;
	246	#else // Win16
	247	nScrollInc = pos - position;
	248	#endif // Win32/16
	249	scrollEvent = wxEVT_SCROLL_THUMBTRACK;
	250	break;
	251
	252	default:
	253	nScrollInc = 0;
	254	}
	255
	256	if (scrollEvent == wxEVT_NULL)
	257	{
	258	// no event...
	259	return FALSE;
	260	}
	261
	262	int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
	263	if ( (newPos < GetMin()) \|\| (newPos > GetMax()) )
	264	{
	265	// out of range - but we did process it
	266	return TRUE;
	267	}
	268
	269	SetValue(newPos);
	270
	271	wxScrollEvent event(scrollEvent, m_windowId);
	272	event.SetPosition(newPos);
	273	event.SetEventObject( this );
	274	GetEventHandler()->ProcessEvent(event);
	275
	276	wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
	277	cevent.SetInt( newPos );
	278	cevent.SetEventObject( this );
	279
	280	return GetEventHandler()->ProcessEvent( cevent );
	281	}
	282
	283	wxSlider95::~wxSlider95()
	284	{
	285	if (m_staticMin)
	286	DestroyWindow((HWND) m_staticMin);
	287	if (m_staticMax)
	288	DestroyWindow((HWND) m_staticMax);
	289	if (m_staticValue)
	290	DestroyWindow((HWND) m_staticValue);
	291	}
	292
	293	int wxSlider95::GetValue() const
	294	{
	295	return ::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0);
	296	}
	297
	298	void wxSlider95::SetValue(int value)
	299	{
	300	::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);
	301	if (m_staticValue)
	302	{
	303	wxSprintf(wxBuffer, wxT("%d"), value);
	304	SetWindowText((HWND) m_staticValue, wxBuffer);
	305	}
	306	}
	307
	308	void wxSlider95::GetSize(int width, int height) const
	309	{
	310	RECT rect;
	311	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	312
	313	wxFindMaxSize(GetHWND(), &rect);
	314
	315	if (m_staticMin)
	316	wxFindMaxSize(m_staticMin, &rect);
	317	if (m_staticMax)
	318	wxFindMaxSize(m_staticMax, &rect);
	319	if (m_staticValue)
	320	wxFindMaxSize(m_staticValue, &rect);
	321
	322	*width = rect.right - rect.left;
	323	*height = rect.bottom - rect.top;
	324	}
	325
	326	void wxSlider95::GetPosition(int x, int y) const
	327	{
	328	wxWindow *parent = GetParent();
	329	RECT rect;
	330	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	331
	332	wxFindMaxSize(GetHWND(), &rect);
	333
	334	if (m_staticMin)
	335	wxFindMaxSize(m_staticMin, &rect);
	336	if (m_staticMax)
	337	wxFindMaxSize(m_staticMax, &rect);
	338	if (m_staticValue)
	339	wxFindMaxSize(m_staticValue, &rect);
	340
	341	// Since we now have the absolute screen coords,
	342	// if there's a parent we must subtract its top left corner
	343	POINT point;
	344	point.x = rect.left;
	345	point.y = rect.top;
	346	if (parent)
	347	::ScreenToClient((HWND) parent->GetHWND(), &point);
	348
	349	// We may be faking the client origin.
	350	// So a window that's really at (0, 30) may appear
	351	// (to wxWin apps) to be at (0, 0).
	352	if (GetParent())
	353	{
	354	wxPoint pt(GetParent()->GetClientAreaOrigin());
	355	point.x -= pt.x;
	356	point.y -= pt.y;
	357	}
	358	*x = point.x;
	359	*y = point.y;
	360	}
	361
	362	// TODO one day, make sense of all this horros and replace it with a readable
	363	// DoGetBestSize()
	364	void wxSlider95::DoSetSize(int x, int y, int width, int height, int sizeFlags)
	365	{
	366	int x1 = x;
	367	int y1 = y;
	368	int w1 = width;
	369	int h1 = height;
	370
	371	int currentX, currentY;
	372	GetPosition(&currentX, &currentY);
	373	if (x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	374	x1 = currentX;
	375	if (y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	376	y1 = currentY;
	377
	378	AdjustForParentClientOrigin(x1, y1, sizeFlags);
	379
	380	wxChar buf[300];
	381
	382	int x_offset = x;
	383	int y_offset = y;
	384
	385	int cx; // slider,min,max sizes
	386	int cy;
	387	int cyf;
	388
	389	wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont());
	390
	391	if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
	392	{
	393	if ( m_windowStyle & wxSL_LABELS )
	394	{
	395	int min_len = 0;
	396
	397	GetWindowText((HWND) m_staticMin, buf, 300);
	398	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
	399
	400	int max_len = 0;
	401
	402	GetWindowText((HWND) m_staticMax, buf, 300);
	403	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
	404	if (m_staticValue)
	405	{
	406	int new_width = (int)(wxMax(min_len, max_len));
	407	int valueHeight = (int)cyf;
	408	#ifdef __WIN32__
	409	// For some reason, under Win95, the text edit control has
	410	// a lot of space before the first character
	411	new_width += 3*cx;
	412	#endif
	413	// The height needs to be a bit bigger under Win95 if using native
	414	// 3D effects.
	415	valueHeight = (int) (valueHeight * 1.5) ;
	416	MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
	417	x_offset += new_width + cx;
	418	}
	419
	420	MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
	421	x_offset += (int)(min_len + cx);
	422
	423	int slider_length = (int)(w1 - x_offset - max_len - cx);
	424
	425	int slider_height = h1;
	426	if (slider_height < 0 )
	427	slider_height = 20;
	428
	429	// Slider must have a minimum/default length/height
	430	if (slider_length < 100)
	431	slider_length = 100;
	432
	433	MoveWindow(GetHwnd(), x_offset, y_offset, slider_length, slider_height, TRUE);
	434	x_offset += slider_length + cx;
	435
	436	MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
	437	}
	438	else
	439	{
	440	// No labels
	441	// If we're prepared to use the existing size, then...
	442	if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
	443	{
	444	GetSize(&w1, &h1);
	445	}
	446	if ( w1 < 0 )
	447	w1 = 200;
	448	if ( h1 < 0 )
	449	h1 = 20;
	450	MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
	451	}
	452	}
	453	else
	454	{
	455	if ( m_windowStyle & wxSL_LABELS )
	456	{
	457	int min_len;
	458	GetWindowText((HWND) m_staticMin, buf, 300);
	459	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
	460
	461	int max_len;
	462	GetWindowText((HWND) m_staticMax, buf, 300);
	463	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
	464
	465	if (m_staticValue)
	466	{
	467	int new_width = (int)(wxMax(min_len, max_len));
	468	int valueHeight = (int)cyf;
	469	/*** Suggested change by George Tasker - remove this block...
	470	#ifdef __WIN32__
	471	// For some reason, under Win95, the text edit control has
	472	// a lot of space before the first character
	473	new_width += 3*cx;
	474	#endif
	475	... and replace with following line: */
	476	new_width += cx;
	477
	478	// The height needs to be a bit bigger under Win95 if using native
	479	// 3D effects.
	480	valueHeight = (int) (valueHeight * 1.5) ;
	481
	482	MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
	483	y_offset += valueHeight;
	484	}
	485
	486	MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
	487	y_offset += cy;
	488
	489	int slider_length = (int)(h1 - y_offset - cy - cy);
	490
	491	int slider_width = w1;
	492	if (slider_width < 0 )
	493	slider_width = 20;
	494
	495	// Slider must have a minimum/default length
	496	if (slider_length < 100)
	497	slider_length = 100;
	498
	499	MoveWindow(GetHwnd(), x_offset, y_offset, slider_width, slider_length, TRUE);
	500	y_offset += slider_length;
	501
	502	MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
	503	}
	504	else
	505	{
	506	// No labels
	507	// If we're prepared to use the existing size, then...
	508	if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
	509	{
	510	GetSize(&w1, &h1);
	511	}
	512	if ( w1 < 0 )
	513	w1 = 20;
	514	if ( h1 < 0 )
	515	h1 = 200;
	516	MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
	517	}
	518	}
	519	}
	520
	521	void wxSlider95::SetRange(int minValue, int maxValue)
	522	{
	523	m_rangeMin = minValue;
	524	m_rangeMax = maxValue;
	525
	526	::SendMessage(GetHwnd(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
	527
	528	wxChar buf[40];
	529	if ( m_staticMin )
	530	{
	531	wxSprintf(buf, wxT("%d"), m_rangeMin);
	532	SetWindowText((HWND) m_staticMin, buf);
	533	}
	534
	535	if ( m_staticMax )
	536	{
	537	wxSprintf(buf, wxT("%d"), m_rangeMax);
	538	SetWindowText((HWND) m_staticMax, buf);
	539	}
	540	}
	541
	542	WXHBRUSH wxSlider95::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
	543	WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
	544	{
	545	if ( nCtlColor == CTLCOLOR_SCROLLBAR )
	546	return 0;
	547
	548	// Otherwise, it's a static
	549	return wxControl::OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
	550	}
	551
	552	// For trackbars only
	553	void wxSlider95::SetTickFreq(int n, int pos)
	554	{
	555	m_tickFreq = n;
	556	::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
	557	}
	558
	559	void wxSlider95::SetPageSize(int pageSize)
	560	{
	561	::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
	562	m_pageSize = pageSize;
	563	}
	564
	565	int wxSlider95::GetPageSize() const
	566	{
	567	return m_pageSize;
	568	}
	569
	570	void wxSlider95::ClearSel()
	571	{
	572	::SendMessage( GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0 );
	573	}
	574
	575	void wxSlider95::ClearTicks()
	576	{
	577	::SendMessage( GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0 );
	578	}
	579
	580	void wxSlider95::SetLineSize(int lineSize)
	581	{
	582	m_lineSize = lineSize;
	583	::SendMessage( GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize );
	584	}
	585
	586	int wxSlider95::GetLineSize() const
	587	{
	588	return (int) ::SendMessage( GetHwnd(), TBM_GETLINESIZE, (WPARAM) 0, (LPARAM) 0 );
	589	}
	590
	591	int wxSlider95::GetSelEnd() const
	592	{
	593	return (int) ::SendMessage( GetHwnd(), TBM_SETSELEND, (WPARAM) 0, (LPARAM) 0 );
	594	}
	595
	596	int wxSlider95::GetSelStart() const
	597	{
	598	return (int) ::SendMessage( GetHwnd(), TBM_GETSELSTART, (WPARAM) 0, (LPARAM) 0 );
	599	}
	600
	601	void wxSlider95::SetSelection(int minPos, int maxPos)
	602	{
	603	::SendMessage( GetHwnd(), TBM_SETSEL, (WPARAM) TRUE, (LPARAM) MAKELONG( minPos, maxPos) );
	604	}
	605
	606	void wxSlider95::SetThumbLength(int len)
	607	{
	608	::SendMessage( GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0 );
	609	}
	610
	611	int wxSlider95::GetThumbLength() const
	612	{
	613	return (int) ::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH, (WPARAM) 0, (LPARAM) 0 );
	614	}
	615
	616	void wxSlider95::SetTick(int tickPos)
	617	{
	618	::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
	619	}
	620
	621	bool wxSlider95::ContainsHWND(WXHWND hWnd) const
	622	{
	623	return ( hWnd == GetStaticMin() \|\| hWnd == GetStaticMax() \|\| hWnd == GetEditValue() );
	624	}
	625
	626	void wxSlider95::Command (wxCommandEvent & event)
	627	{
	628	SetValue (event.GetInt());
	629	ProcessCommand (event);
	630	}
	631
	632	bool wxSlider95::Show(bool show)
	633	{
	634	wxWindow::Show(show);
	635
	636	int cshow;
	637	if (show)
	638	cshow = SW_SHOW;
	639	else
	640	cshow = SW_HIDE;
	641
	642	if(m_staticValue)
	643	ShowWindow((HWND) m_staticValue, (BOOL)cshow);
	644	if(m_staticMin)
	645	ShowWindow((HWND) m_staticMin, (BOOL)cshow);
	646	if(m_staticMax)
	647	ShowWindow((HWND) m_staticMax, (BOOL)cshow);
	648	return TRUE;
	649	}
	650
	651	#endif
	652	// __WIN95__
	653