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>
#endif

#ifdef __WIN95__

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

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

#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl)

#if WXWIN_COMPATIBILITY
BEGIN_EVENT_TABLE(wxSlider95, wxControl)
  EVT_SCROLL(wxSlider95::OnScroll)
END_EVENT_TABLE()
#endif

#endif

// Slider
wxSlider95::wxSlider95(void)
{
  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->GetDefaultBackgroundColour()) ;
  SetForegroundColour(parent->GetDefaultForegroundColour()) ;

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

      // Now create min static control
      sprintf(wxBuffer, "%d", minValue);
      m_staticMin = (WXHWND) CreateWindowEx(0, "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());

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

      SetFont(parent->GetFont());

      if (GetFont())
      {
//        GetFont()->RealizeResource();
        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;
}

void wxSlider95::MSWOnVScroll(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
                    nScrollInc = pos - position;
#endif
                    scrollEvent = wxEVT_SCROLL_THUMBTRACK;
                    break;

            default:
                    nScrollInc = 0;
                    return;
    }

    {

      int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
      if (!(newPos < GetMin() || newPos > GetMax()))
      {
        SetValue(newPos);

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

void wxSlider95::MSWOnHScroll(WXWORD wParam, WXWORD pos, WXHWND control)
{
	MSWOnVScroll(wParam, pos, control);
}

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

int wxSlider95::GetValue(void) 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)
  {
    sprintf(wxBuffer, "%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);

  *x = point.x;
  *y = point.y;
}

void wxSlider95::SetSize(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;

  char buf[300];

  int x_offset = x;
  int y_offset = y;

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

  wxGetCharSize(GetHWND(), &cx, &cy,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, GetFont());

    int max_len = 0;

    GetWindowText((HWND) m_staticMax, buf, 300);
    GetTextExtent(buf, &max_len, &cyf,NULL,NULL, 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 ( 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,GetFont());

    int max_len;
    GetWindowText((HWND) m_staticMax, buf, 300);
    GetTextExtent(buf, &max_len, &cyf,NULL,NULL, 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 ( 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));

  char buf[40];
  if ( m_staticMin )
  {
  	sprintf(buf, "%d", m_rangeMin);
  	SetWindowText((HWND) m_staticMin, buf);
  }

  if ( m_staticMax )
  {
    sprintf(buf, "%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(void) const
{
  return m_pageSize;
}

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

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

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

int wxSlider95::GetSelStart(void) 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(void) 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() );
}

#if WXWIN_COMPATIBILITY
// Backward compatibility
void wxSlider95::OnScroll(wxScrollEvent& event)
{
    wxEventType oldEvent = event.GetEventType();
    event.SetEventType( wxEVT_COMMAND_SLIDER_UPDATED );
    if ( !GetEventHandler()->ProcessEvent(event) )
    {
        event.SetEventType( oldEvent );
        if (!GetParent()->GetEventHandler()->ProcessEvent(event))
            event.Skip();
    }
}
#endif

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	#endif
	26
	27	#ifdef __WIN95__
	28
	29	#include "wx/msw/slider95.h"
	30	#include "wx/msw/private.h"
	31
	32	#if defined(__WIN95__) && !defined(__GNUWIN32__)
	33	#include <commctrl.h>
	34	#endif
	35
	36	#if !USE_SHARED_LIBRARY
	37	IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl)
	38
	39	#if WXWIN_COMPATIBILITY
	40	BEGIN_EVENT_TABLE(wxSlider95, wxControl)
	41	EVT_SCROLL(wxSlider95::OnScroll)
	42	END_EVENT_TABLE()
	43	#endif
	44
	45	#endif
	46
	47	// Slider
	48	wxSlider95::wxSlider95(void)
	49	{
	50	m_staticValue = 0;
	51	m_staticMin = 0;
	52	m_staticMax = 0;
	53	m_pageSize = 1;
	54	m_lineSize = 1;
	55	m_rangeMax = 0;
	56	m_rangeMin = 0;
	57	m_tickFreq = 0;
	58	}
	59
	60	bool wxSlider95::Create(wxWindow *parent, wxWindowID id,
	61	int value, int minValue, int maxValue,
	62	const wxPoint& pos,
	63	const wxSize& size, long style,
	64	const wxValidator& validator,
	65	const wxString& name)
	66	{
	67	SetName(name);
	68	SetValidator(validator);
	69
	70	if (parent) parent->AddChild(this);
	71	SetBackgroundColour(parent->GetDefaultBackgroundColour()) ;
	72	SetForegroundColour(parent->GetDefaultForegroundColour()) ;
	73
	74	m_staticValue = 0;
	75	m_staticMin = 0;
	76	m_staticMax = 0;
	77	m_pageSize = 1;
	78	m_lineSize = 1;
	79	m_windowStyle = style;
	80	m_tickFreq = 0;
	81
	82	if ( id == -1 )
	83	m_windowId = (int)NewControlId();
	84	else
	85	m_windowId = id;
	86
	87	int x = pos.x;
	88	int y = pos.y;
	89	int width = size.x;
	90	int height = size.y;
	91
	92	long msStyle ;
	93
	94	if ( m_windowStyle & wxSL_LABELS )
	95	{
	96	msStyle = WS_CHILD \| WS_VISIBLE \| WS_BORDER \| SS_CENTER;
	97
	98	bool want3D;
	99	WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
	100
	101	m_staticValue = (WXHWND) CreateWindowEx(exStyle, "STATIC", NULL,
	102	msStyle,
	103	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	104	wxGetInstance(), NULL);
	105
	106	// Now create min static control
	107	sprintf(wxBuffer, "%d", minValue);
	108	m_staticMin = (WXHWND) CreateWindowEx(0, "STATIC", wxBuffer,
	109	STATIC_FLAGS,
	110	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	111	wxGetInstance(), NULL);
	112	}
	113
	114	msStyle = 0;
	115	if (m_windowStyle & wxSL_VERTICAL)
	116	msStyle = TBS_VERT \| WS_CHILD \| WS_VISIBLE \| WS_TABSTOP ;
	117	else
	118	msStyle = TBS_HORZ \| WS_CHILD \| WS_VISIBLE \| WS_TABSTOP ;
	119
	120	if ( m_windowStyle & wxSL_AUTOTICKS )
	121	msStyle \|= TBS_AUTOTICKS ;
	122
	123	if ( m_windowStyle & wxSL_LEFT )
	124	msStyle \|= TBS_LEFT;
	125	else if ( m_windowStyle & wxSL_RIGHT )
	126	msStyle \|= TBS_RIGHT;
	127	else if ( m_windowStyle & wxSL_TOP )
	128	msStyle \|= TBS_TOP;
	129	else if ( m_windowStyle & wxSL_BOTTOM )
	130	msStyle \|= TBS_BOTTOM;
	131	else if ( m_windowStyle & wxSL_BOTH )
	132	msStyle \|= TBS_BOTH;
	133	else if ( ! (m_windowStyle & wxSL_AUTOTICKS) )
	134	msStyle \|= TBS_NOTICKS;
	135
	136	if ( m_windowStyle & wxSL_SELRANGE )
	137	msStyle \|= TBS_ENABLESELRANGE ;
	138
	139	HWND scroll_bar = CreateWindowEx(MakeExtendedStyle(m_windowStyle), TRACKBAR_CLASS, wxBuffer,
	140	msStyle,
	141	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
	142	wxGetInstance(), NULL);
	143
	144	m_rangeMax = maxValue;
	145	m_rangeMin = minValue;
	146
	147	m_pageSize = (int)((maxValue-minValue)/10);
	148
	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);
	152
	153	m_hWnd = (WXHWND)scroll_bar;
	154
	155	SubclassWin(GetHWND());
	156
	157	if ( m_windowStyle & wxSL_LABELS )
	158	{
	159	// Finally, create max value static item
	160	sprintf(wxBuffer, "%d", maxValue);
	161	m_staticMax = (WXHWND) CreateWindowEx(0, "STATIC", wxBuffer,
	162	STATIC_FLAGS,
	163	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	164	wxGetInstance(), NULL);
	165
	166	SetFont(parent->GetFont());
	167
	168	if (GetFont())
	169	{
	170	// GetFont()->RealizeResource();
	171	if (GetFont()->GetResourceHandle())
	172	{
	173	if ( m_staticMin )
	174	SendMessage((HWND)m_staticMin,WM_SETFONT,
	175	(WPARAM)GetFont()->GetResourceHandle(),0L);
	176	if ( m_staticMax )
	177	SendMessage((HWND)m_staticMax,WM_SETFONT,
	178	(WPARAM)GetFont()->GetResourceHandle(),0L);
	179	if (m_staticValue)
	180	SendMessage((HWND)m_staticValue,WM_SETFONT,
	181	(WPARAM)GetFont()->GetResourceHandle(),0L);
	182	}
	183	}
	184	}
	185
	186	SetSize(x, y, width, height);
	187	SetValue(value);
	188
	189	return TRUE;
	190	}
	191
	192	void wxSlider95::MSWOnVScroll(WXWORD wParam, WXWORD pos, WXHWND control)
	193	{
	194	int position = 0; // Dummy - not used in this mode
	195
	196	int nScrollInc;
	197	wxEventType scrollEvent = wxEVT_NULL;
	198	switch ( wParam )
	199	{
	200	case SB_TOP:
	201	nScrollInc = m_rangeMax - position;
	202	scrollEvent = wxEVT_SCROLL_TOP;
	203	break;
	204
	205	case SB_BOTTOM:
	206	nScrollInc = - position;
	207	scrollEvent = wxEVT_SCROLL_BOTTOM;
	208	break;
	209
	210	case SB_LINEUP:
	211	nScrollInc = - GetLineSize();
	212	scrollEvent = wxEVT_SCROLL_LINEUP;
	213	break;
	214
	215	case SB_LINEDOWN:
	216	nScrollInc = GetLineSize();
	217	scrollEvent = wxEVT_SCROLL_LINEDOWN;
	218	break;
	219
	220	case SB_PAGEUP:
	221	nScrollInc = -GetPageSize();
	222	scrollEvent = wxEVT_SCROLL_PAGEUP;
	223	break;
	224
	225	case SB_PAGEDOWN:
	226	nScrollInc = GetPageSize();
	227	scrollEvent = wxEVT_SCROLL_PAGEDOWN;
	228	break;
	229
	230	case SB_THUMBTRACK:
	231	case SB_THUMBPOSITION:
	232	#ifdef __WIN32__
	233	nScrollInc = (signed short)pos - position;
	234	#else
	235	nScrollInc = pos - position;
	236	#endif
	237	scrollEvent = wxEVT_SCROLL_THUMBTRACK;
	238	break;
	239
	240	default:
	241	nScrollInc = 0;
	242	return;
	243	}
	244
	245	{
	246
	247	int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
	248	if (!(newPos < GetMin() \|\| newPos > GetMax()))
	249	{
	250	SetValue(newPos);
	251
	252	wxScrollEvent event(scrollEvent, m_windowId);
	253	event.SetPosition(newPos);
	254	event.SetEventObject( this );
	255	GetEventHandler()->ProcessEvent(event);
	256	}
	257	}
	258	}
	259
	260	void wxSlider95::MSWOnHScroll(WXWORD wParam, WXWORD pos, WXHWND control)
	261	{
	262	MSWOnVScroll(wParam, pos, control);
	263	}
	264
	265	wxSlider95::~wxSlider95(void)
	266	{
	267	if (m_staticMin)
	268	DestroyWindow((HWND) m_staticMin);
	269	if (m_staticMax)
	270	DestroyWindow((HWND) m_staticMax);
	271	if (m_staticValue)
	272	DestroyWindow((HWND) m_staticValue);
	273	}
	274
	275	int wxSlider95::GetValue(void) const
	276	{
	277	return ::SendMessage((HWND) GetHWND(), TBM_GETPOS, 0, 0);
	278	}
	279
	280	void wxSlider95::SetValue(int value)
	281	{
	282	::SendMessage((HWND) GetHWND(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);
	283	if (m_staticValue)
	284	{
	285	sprintf(wxBuffer, "%d", value);
	286	SetWindowText((HWND) m_staticValue, wxBuffer);
	287	}
	288	}
	289
	290	void wxSlider95::GetSize(int width, int height) const
	291	{
	292	RECT rect;
	293	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	294
	295	wxFindMaxSize(GetHWND(), &rect);
	296
	297	if (m_staticMin)
	298	wxFindMaxSize(m_staticMin, &rect);
	299	if (m_staticMax)
	300	wxFindMaxSize(m_staticMax, &rect);
	301	if (m_staticValue)
	302	wxFindMaxSize(m_staticValue, &rect);
	303
	304	*width = rect.right - rect.left;
	305	*height = rect.bottom - rect.top;
	306	}
	307
	308	void wxSlider95::GetPosition(int x, int y) const
	309	{
	310	wxWindow *parent = GetParent();
	311	RECT rect;
	312	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	313
	314	wxFindMaxSize(GetHWND(), &rect);
	315
	316	if (m_staticMin)
	317	wxFindMaxSize(m_staticMin, &rect);
	318	if (m_staticMax)
	319	wxFindMaxSize(m_staticMax, &rect);
	320	if (m_staticValue)
	321	wxFindMaxSize(m_staticValue, &rect);
	322
	323	// Since we now have the absolute screen coords,
	324	// if there's a parent we must subtract its top left corner
	325	POINT point;
	326	point.x = rect.left;
	327	point.y = rect.top;
	328	if (parent)
	329	::ScreenToClient((HWND) parent->GetHWND(), &point);
	330
	331	*x = point.x;
	332	*y = point.y;
	333	}
	334
	335	void wxSlider95::SetSize(int x, int y, int width, int height, int sizeFlags)
	336	{
	337	int x1 = x;
	338	int y1 = y;
	339	int w1 = width;
	340	int h1 = height;
	341
	342	int currentX, currentY;
	343	GetPosition(&currentX, &currentY);
	344	if (x == -1 \|\| (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	345	x1 = currentX;
	346	if (y == -1 \|\| (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	347	y1 = currentY;
	348
	349	char buf[300];
	350
	351	int x_offset = x;
	352	int y_offset = y;
	353
	354	int cx; // slider,min,max sizes
	355	int cy;
	356	int cyf;
	357
	358	wxGetCharSize(GetHWND(), &cx, &cy,GetFont());
	359
	360	if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
	361	{
	362	if ( m_windowStyle & wxSL_LABELS )
	363	{
	364	int min_len = 0;
	365
	366	GetWindowText((HWND) m_staticMin, buf, 300);
	367	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, GetFont());
	368
	369	int max_len = 0;
	370
	371	GetWindowText((HWND) m_staticMax, buf, 300);
	372	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, GetFont());
	373	if (m_staticValue)
	374	{
	375	int new_width = (int)(wxMax(min_len, max_len));
	376	int valueHeight = (int)cyf;
	377	#ifdef __WIN32__
	378	// For some reason, under Win95, the text edit control has
	379	// a lot of space before the first character
	380	new_width += 3*cx;
	381	#endif
	382	// The height needs to be a bit bigger under Win95 if using native
	383	// 3D effects.
	384	valueHeight = (int) (valueHeight * 1.5) ;
	385	MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
	386	x_offset += new_width + cx;
	387	}
	388
	389	MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
	390	x_offset += (int)(min_len + cx);
	391
	392	int slider_length = (int)(w1 - x_offset - max_len - cx);
	393
	394	int slider_height = h1;
	395	if (slider_height < 0 )
	396	slider_height = 20;
	397
	398	// Slider must have a minimum/default length/height
	399	if (slider_length < 100)
	400	slider_length = 100;
	401
	402	MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_length, slider_height, TRUE);
	403	x_offset += slider_length + cx;
	404
	405	MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
	406	}
	407	else
	408	{
	409	// No labels
	410	if ( w1 < 0 )
	411	w1 = 200;
	412	if ( h1 < 0 )
	413	h1 = 20;
	414	MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
	415	}
	416	}
	417	else
	418	{
	419	if ( m_windowStyle & wxSL_LABELS )
	420	{
	421	int min_len;
	422	GetWindowText((HWND) m_staticMin, buf, 300);
	423	GetTextExtent(buf, &min_len, &cyf,NULL,NULL,GetFont());
	424
	425	int max_len;
	426	GetWindowText((HWND) m_staticMax, buf, 300);
	427	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, GetFont());
	428
	429	if (m_staticValue)
	430	{
	431	int new_width = (int)(wxMax(min_len, max_len));
	432	int valueHeight = (int)cyf;
	433	/*** Suggested change by George Tasker - remove this block...
	434	#ifdef __WIN32__
	435	// For some reason, under Win95, the text edit control has
	436	// a lot of space before the first character
	437	new_width += 3*cx;
	438	#endif
	439	... and replace with following line: */
	440	new_width += cx;
	441
	442	// The height needs to be a bit bigger under Win95 if using native
	443	// 3D effects.
	444	valueHeight = (int) (valueHeight * 1.5) ;
	445
	446	MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
	447	y_offset += valueHeight;
	448	}
	449
	450	MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
	451	y_offset += cy;
	452
	453	int slider_length = (int)(h1 - y_offset - cy - cy);
	454
	455	int slider_width = w1;
	456	if (slider_width < 0 )
	457	slider_width = 20;
	458
	459	// Slider must have a minimum/default length
	460	if (slider_length < 100)
	461	slider_length = 100;
	462
	463	MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_width, slider_length, TRUE);
	464	y_offset += slider_length;
	465
	466	MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
	467	}
	468	else
	469	{
	470	// No labels
	471	if ( w1 < 0 )
	472	w1 = 20;
	473	if ( h1 < 0 )
	474	h1 = 200;
	475	MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
	476	}
	477	}
	478	}
	479
	480	void wxSlider95::SetRange(int minValue, int maxValue)
	481	{
	482	m_rangeMin = minValue;
	483	m_rangeMax = maxValue;
	484
	485	::SendMessage((HWND) GetHWND(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
	486
	487	char buf[40];
	488	if ( m_staticMin )
	489	{
	490	sprintf(buf, "%d", m_rangeMin);
	491	SetWindowText((HWND) m_staticMin, buf);
	492	}
	493
	494	if ( m_staticMax )
	495	{
	496	sprintf(buf, "%d", m_rangeMax);
	497	SetWindowText((HWND) m_staticMax, buf);
	498	}
	499	}
	500
	501	WXHBRUSH wxSlider95::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
	502	WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
	503	{
	504	if ( nCtlColor == CTLCOLOR_SCROLLBAR )
	505	return 0;
	506
	507	// Otherwise, it's a static
	508	if (GetParent()->GetTransparentBackground())
	509	SetBkMode((HDC) pDC, TRANSPARENT);
	510	else
	511	SetBkMode((HDC) pDC, OPAQUE);
	512
	513	::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
	514	::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
	515
	516	wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
	517	return (WXHBRUSH) backgroundBrush->GetResourceHandle();
	518	}
	519
	520	// For trackbars only
	521	void wxSlider95::SetTickFreq(int n, int pos)
	522	{
	523	m_tickFreq = n;
	524	::SendMessage( (HWND) GetHWND(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
	525	}
	526
	527	void wxSlider95::SetPageSize(int pageSize)
	528	{
	529	::SendMessage( (HWND) GetHWND(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
	530	m_pageSize = pageSize;
	531	}
	532
	533	int wxSlider95::GetPageSize(void) const
	534	{
	535	return m_pageSize;
	536	}
	537
	538	void wxSlider95::ClearSel(void)
	539	{
	540	::SendMessage( (HWND) GetHWND(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0 );
	541	}
	542
	543	void wxSlider95::ClearTicks(void)
	544	{
	545	::SendMessage( (HWND) GetHWND(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0 );
	546	}
	547
	548	void wxSlider95::SetLineSize(int lineSize)
	549	{
	550	m_lineSize = lineSize;
	551	::SendMessage( (HWND) GetHWND(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize );
	552	}
	553
	554	int wxSlider95::GetLineSize(void) const
	555	{
	556	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETLINESIZE, (WPARAM) 0, (LPARAM) 0 );
	557	}
	558
	559	int wxSlider95::GetSelEnd(void) const
	560	{
	561	return (int) ::SendMessage( (HWND) GetHWND(), TBM_SETSELEND, (WPARAM) 0, (LPARAM) 0 );
	562	}
	563
	564	int wxSlider95::GetSelStart(void) const
	565	{
	566	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETSELSTART, (WPARAM) 0, (LPARAM) 0 );
	567	}
	568
	569	void wxSlider95::SetSelection(int minPos, int maxPos)
	570	{
	571	::SendMessage( (HWND) GetHWND(), TBM_SETSEL, (WPARAM) TRUE, (LPARAM) MAKELONG( minPos, maxPos) );
	572	}
	573
	574	void wxSlider95::SetThumbLength(int len)
	575	{
	576	::SendMessage( (HWND) GetHWND(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0 );
	577	}
	578
	579	int wxSlider95::GetThumbLength(void) const
	580	{
	581	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETTHUMBLENGTH, (WPARAM) 0, (LPARAM) 0 );
	582	}
	583
	584	void wxSlider95::SetTick(int tickPos)
	585	{
	586	::SendMessage( (HWND) GetHWND(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
	587	}
	588
	589	bool wxSlider95::ContainsHWND(WXHWND hWnd) const
	590	{
	591	return ( hWnd == GetStaticMin() \|\| hWnd == GetStaticMax() \|\| hWnd == GetEditValue() );
	592	}
	593
	594	#if WXWIN_COMPATIBILITY
	595	// Backward compatibility
	596	void wxSlider95::OnScroll(wxScrollEvent& event)
	597	{
	598	wxEventType oldEvent = event.GetEventType();
	599	event.SetEventType( wxEVT_COMMAND_SLIDER_UPDATED );
	600	if ( !GetEventHandler()->ProcessEvent(event) )
	601	{
	602	event.SetEventType( oldEvent );
	603	if (!GetParent()->GetEventHandler()->ProcessEvent(event))
	604	event.Skip();
	605	}
	606	}
	607	#endif
	608
	609	void wxSlider95::Command (wxCommandEvent & event)
	610	{
	611	SetValue (event.GetInt());
	612	ProcessCommand (event);
	613	}
	614
	615	bool wxSlider95::Show(bool show)
	616	{
	617	wxWindow::Show(show);
	618
	619	int cshow;
	620	if (show)
	621	cshow = SW_SHOW;
	622	else
	623	cshow = SW_HIDE;
	624
	625	if(m_staticValue)
	626	ShowWindow((HWND) m_staticValue, (BOOL)cshow);
	627	if(m_staticMin)
	628	ShowWindow((HWND) m_staticMin, (BOOL)cshow);
	629	if(m_staticMax)
	630	ShowWindow((HWND) m_staticMax, (BOOL)cshow);
	631	return TRUE;
	632	}
	633
	634	#endif
	635	// __WIN95__
	636