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, "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());

  SetWindowText((HWND) m_hWnd, "");

  SetFont(parent->GetFont());

  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);


      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;
}

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);

        wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
        cevent.SetEventObject( this );
        GetEventHandler()->ProcessEvent( cevent );

      }
    }
}

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

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)
  {
    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);

  // 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);

  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, & 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));

  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() 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, "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	sprintf(wxBuffer, "%d", minValue);
	103	m_staticMin = (WXHWND) CreateWindowEx(0, "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, "");
	153
	154	SetFont(parent->GetFont());
	155
	156	if ( m_windowStyle & wxSL_LABELS )
	157	{
	158	// Finally, create max value static item
	159	sprintf(wxBuffer, "%d", maxValue);
	160	m_staticMax = (WXHWND) CreateWindowEx(0, "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	void wxSlider95::MSWOnVScroll(WXWORD wParam, WXWORD pos, WXHWND control)
	190	{
	191	int position = 0; // Dummy - not used in this mode
	192
	193	int nScrollInc;
	194	wxEventType scrollEvent = wxEVT_NULL;
	195	switch ( wParam )
	196	{
	197	case SB_TOP:
	198	nScrollInc = m_rangeMax - position;
	199	scrollEvent = wxEVT_SCROLL_TOP;
	200	break;
	201
	202	case SB_BOTTOM:
	203	nScrollInc = - position;
	204	scrollEvent = wxEVT_SCROLL_BOTTOM;
	205	break;
	206
	207	case SB_LINEUP:
	208	nScrollInc = - GetLineSize();
	209	scrollEvent = wxEVT_SCROLL_LINEUP;
	210	break;
	211
	212	case SB_LINEDOWN:
	213	nScrollInc = GetLineSize();
	214	scrollEvent = wxEVT_SCROLL_LINEDOWN;
	215	break;
	216
	217	case SB_PAGEUP:
	218	nScrollInc = -GetPageSize();
	219	scrollEvent = wxEVT_SCROLL_PAGEUP;
	220	break;
	221
	222	case SB_PAGEDOWN:
	223	nScrollInc = GetPageSize();
	224	scrollEvent = wxEVT_SCROLL_PAGEDOWN;
	225	break;
	226
	227	case SB_THUMBTRACK:
	228	case SB_THUMBPOSITION:
	229	#ifdef __WIN32__
	230	nScrollInc = (signed short)pos - position;
	231	#else
	232	nScrollInc = pos - position;
	233	#endif
	234	scrollEvent = wxEVT_SCROLL_THUMBTRACK;
	235	break;
	236
	237	default:
	238	nScrollInc = 0;
	239	return;
	240	}
	241
	242	{
	243
	244	int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
	245	if (!(newPos < GetMin() \|\| newPos > GetMax()))
	246	{
	247	SetValue(newPos);
	248
	249	wxScrollEvent event(scrollEvent, m_windowId);
	250	event.SetPosition(newPos);
	251	event.SetEventObject( this );
	252	GetEventHandler()->ProcessEvent(event);
	253
	254	wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
	255	cevent.SetEventObject( this );
	256	GetEventHandler()->ProcessEvent( cevent );
	257
	258	}
	259	}
	260	}
	261
	262	void wxSlider95::MSWOnHScroll(WXWORD wParam, WXWORD pos, WXHWND control)
	263	{
	264	MSWOnVScroll(wParam, pos, control);
	265	}
	266
	267	wxSlider95::~wxSlider95()
	268	{
	269	if (m_staticMin)
	270	DestroyWindow((HWND) m_staticMin);
	271	if (m_staticMax)
	272	DestroyWindow((HWND) m_staticMax);
	273	if (m_staticValue)
	274	DestroyWindow((HWND) m_staticValue);
	275	}
	276
	277	int wxSlider95::GetValue() const
	278	{
	279	return ::SendMessage((HWND) GetHWND(), TBM_GETPOS, 0, 0);
	280	}
	281
	282	void wxSlider95::SetValue(int value)
	283	{
	284	::SendMessage((HWND) GetHWND(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);
	285	if (m_staticValue)
	286	{
	287	sprintf(wxBuffer, "%d", value);
	288	SetWindowText((HWND) m_staticValue, wxBuffer);
	289	}
	290	}
	291
	292	void wxSlider95::GetSize(int width, int height) const
	293	{
	294	RECT rect;
	295	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	296
	297	wxFindMaxSize(GetHWND(), &rect);
	298
	299	if (m_staticMin)
	300	wxFindMaxSize(m_staticMin, &rect);
	301	if (m_staticMax)
	302	wxFindMaxSize(m_staticMax, &rect);
	303	if (m_staticValue)
	304	wxFindMaxSize(m_staticValue, &rect);
	305
	306	*width = rect.right - rect.left;
	307	*height = rect.bottom - rect.top;
	308	}
	309
	310	void wxSlider95::GetPosition(int x, int y) const
	311	{
	312	wxWindow *parent = GetParent();
	313	RECT rect;
	314	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	315
	316	wxFindMaxSize(GetHWND(), &rect);
	317
	318	if (m_staticMin)
	319	wxFindMaxSize(m_staticMin, &rect);
	320	if (m_staticMax)
	321	wxFindMaxSize(m_staticMax, &rect);
	322	if (m_staticValue)
	323	wxFindMaxSize(m_staticValue, &rect);
	324
	325	// Since we now have the absolute screen coords,
	326	// if there's a parent we must subtract its top left corner
	327	POINT point;
	328	point.x = rect.left;
	329	point.y = rect.top;
	330	if (parent)
	331	::ScreenToClient((HWND) parent->GetHWND(), &point);
	332
	333	// We may be faking the client origin.
	334	// So a window that's really at (0, 30) may appear
	335	// (to wxWin apps) to be at (0, 0).
	336	if (GetParent())
	337	{
	338	wxPoint pt(GetParent()->GetClientAreaOrigin());
	339	point.x -= pt.x;
	340	point.y -= pt.y;
	341	}
	342	*x = point.x;
	343	*y = point.y;
	344	}
	345
	346	void wxSlider95::DoSetSize(int x, int y, int width, int height, int sizeFlags)
	347	{
	348	int x1 = x;
	349	int y1 = y;
	350	int w1 = width;
	351	int h1 = height;
	352
	353	int currentX, currentY;
	354	GetPosition(&currentX, &currentY);
	355	if (x == -1 \|\| (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	356	x1 = currentX;
	357	if (y == -1 \|\| (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	358	y1 = currentY;
	359
	360	AdjustForParentClientOrigin(x1, y1, sizeFlags);
	361
	362	char buf[300];
	363
	364	int x_offset = x;
	365	int y_offset = y;
	366
	367	int cx; // slider,min,max sizes
	368	int cy;
	369	int cyf;
	370
	371	wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont());
	372
	373	if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
	374	{
	375	if ( m_windowStyle & wxSL_LABELS )
	376	{
	377	int min_len = 0;
	378
	379	GetWindowText((HWND) m_staticMin, buf, 300);
	380	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
	381
	382	int max_len = 0;
	383
	384	GetWindowText((HWND) m_staticMax, buf, 300);
	385	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
	386	if (m_staticValue)
	387	{
	388	int new_width = (int)(wxMax(min_len, max_len));
	389	int valueHeight = (int)cyf;
	390	#ifdef __WIN32__
	391	// For some reason, under Win95, the text edit control has
	392	// a lot of space before the first character
	393	new_width += 3*cx;
	394	#endif
	395	// The height needs to be a bit bigger under Win95 if using native
	396	// 3D effects.
	397	valueHeight = (int) (valueHeight * 1.5) ;
	398	MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
	399	x_offset += new_width + cx;
	400	}
	401
	402	MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
	403	x_offset += (int)(min_len + cx);
	404
	405	int slider_length = (int)(w1 - x_offset - max_len - cx);
	406
	407	int slider_height = h1;
	408	if (slider_height < 0 )
	409	slider_height = 20;
	410
	411	// Slider must have a minimum/default length/height
	412	if (slider_length < 100)
	413	slider_length = 100;
	414
	415	MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_length, slider_height, TRUE);
	416	x_offset += slider_length + cx;
	417
	418	MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
	419	}
	420	else
	421	{
	422	// No labels
	423	// If we're prepared to use the existing size, then...
	424	if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
	425	{
	426	GetSize(&w1, &h1);
	427	}
	428	if ( w1 < 0 )
	429	w1 = 200;
	430	if ( h1 < 0 )
	431	h1 = 20;
	432	MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
	433	}
	434	}
	435	else
	436	{
	437	if ( m_windowStyle & wxSL_LABELS )
	438	{
	439	int min_len;
	440	GetWindowText((HWND) m_staticMin, buf, 300);
	441	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
	442
	443	int max_len;
	444	GetWindowText((HWND) m_staticMax, buf, 300);
	445	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
	446
	447	if (m_staticValue)
	448	{
	449	int new_width = (int)(wxMax(min_len, max_len));
	450	int valueHeight = (int)cyf;
	451	/*** Suggested change by George Tasker - remove this block...
	452	#ifdef __WIN32__
	453	// For some reason, under Win95, the text edit control has
	454	// a lot of space before the first character
	455	new_width += 3*cx;
	456	#endif
	457	... and replace with following line: */
	458	new_width += cx;
	459
	460	// The height needs to be a bit bigger under Win95 if using native
	461	// 3D effects.
	462	valueHeight = (int) (valueHeight * 1.5) ;
	463
	464	MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
	465	y_offset += valueHeight;
	466	}
	467
	468	MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
	469	y_offset += cy;
	470
	471	int slider_length = (int)(h1 - y_offset - cy - cy);
	472
	473	int slider_width = w1;
	474	if (slider_width < 0 )
	475	slider_width = 20;
	476
	477	// Slider must have a minimum/default length
	478	if (slider_length < 100)
	479	slider_length = 100;
	480
	481	MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_width, slider_length, TRUE);
	482	y_offset += slider_length;
	483
	484	MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
	485	}
	486	else
	487	{
	488	// No labels
	489	// If we're prepared to use the existing size, then...
	490	if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
	491	{
	492	GetSize(&w1, &h1);
	493	}
	494	if ( w1 < 0 )
	495	w1 = 20;
	496	if ( h1 < 0 )
	497	h1 = 200;
	498	MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
	499	}
	500	}
	501	}
	502
	503	void wxSlider95::SetRange(int minValue, int maxValue)
	504	{
	505	m_rangeMin = minValue;
	506	m_rangeMax = maxValue;
	507
	508	::SendMessage((HWND) GetHWND(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
	509
	510	char buf[40];
	511	if ( m_staticMin )
	512	{
	513	sprintf(buf, "%d", m_rangeMin);
	514	SetWindowText((HWND) m_staticMin, buf);
	515	}
	516
	517	if ( m_staticMax )
	518	{
	519	sprintf(buf, "%d", m_rangeMax);
	520	SetWindowText((HWND) m_staticMax, buf);
	521	}
	522	}
	523
	524	WXHBRUSH wxSlider95::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
	525	WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
	526	{
	527	if ( nCtlColor == CTLCOLOR_SCROLLBAR )
	528	return 0;
	529
	530	// Otherwise, it's a static
	531	if (GetParent()->GetTransparentBackground())
	532	SetBkMode((HDC) pDC, TRANSPARENT);
	533	else
	534	SetBkMode((HDC) pDC, OPAQUE);
	535
	536	::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
	537	::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
	538
	539	wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
	540	return (WXHBRUSH) backgroundBrush->GetResourceHandle();
	541	}
	542
	543	// For trackbars only
	544	void wxSlider95::SetTickFreq(int n, int pos)
	545	{
	546	m_tickFreq = n;
	547	::SendMessage( (HWND) GetHWND(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
	548	}
	549
	550	void wxSlider95::SetPageSize(int pageSize)
	551	{
	552	::SendMessage( (HWND) GetHWND(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
	553	m_pageSize = pageSize;
	554	}
	555
	556	int wxSlider95::GetPageSize() const
	557	{
	558	return m_pageSize;
	559	}
	560
	561	void wxSlider95::ClearSel()
	562	{
	563	::SendMessage( (HWND) GetHWND(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0 );
	564	}
	565
	566	void wxSlider95::ClearTicks()
	567	{
	568	::SendMessage( (HWND) GetHWND(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0 );
	569	}
	570
	571	void wxSlider95::SetLineSize(int lineSize)
	572	{
	573	m_lineSize = lineSize;
	574	::SendMessage( (HWND) GetHWND(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize );
	575	}
	576
	577	int wxSlider95::GetLineSize() const
	578	{
	579	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETLINESIZE, (WPARAM) 0, (LPARAM) 0 );
	580	}
	581
	582	int wxSlider95::GetSelEnd() const
	583	{
	584	return (int) ::SendMessage( (HWND) GetHWND(), TBM_SETSELEND, (WPARAM) 0, (LPARAM) 0 );
	585	}
	586
	587	int wxSlider95::GetSelStart() const
	588	{
	589	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETSELSTART, (WPARAM) 0, (LPARAM) 0 );
	590	}
	591
	592	void wxSlider95::SetSelection(int minPos, int maxPos)
	593	{
	594	::SendMessage( (HWND) GetHWND(), TBM_SETSEL, (WPARAM) TRUE, (LPARAM) MAKELONG( minPos, maxPos) );
	595	}
	596
	597	void wxSlider95::SetThumbLength(int len)
	598	{
	599	::SendMessage( (HWND) GetHWND(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0 );
	600	}
	601
	602	int wxSlider95::GetThumbLength() const
	603	{
	604	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETTHUMBLENGTH, (WPARAM) 0, (LPARAM) 0 );
	605	}
	606
	607	void wxSlider95::SetTick(int tickPos)
	608	{
	609	::SendMessage( (HWND) GetHWND(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
	610	}
	611
	612	bool wxSlider95::ContainsHWND(WXHWND hWnd) const
	613	{
	614	return ( hWnd == GetStaticMin() \|\| hWnd == GetStaticMax() \|\| hWnd == GetEditValue() );
	615	}
	616
	617	void wxSlider95::Command (wxCommandEvent & event)
	618	{
	619	SetValue (event.GetInt());
	620	ProcessCommand (event);
	621	}
	622
	623	bool wxSlider95::Show(bool show)
	624	{
	625	wxWindow::Show(show);
	626
	627	int cshow;
	628	if (show)
	629	cshow = SW_SHOW;
	630	else
	631	cshow = SW_HIDE;
	632
	633	if(m_staticValue)
	634	ShowWindow((HWND) m_staticValue, (BOOL)cshow);
	635	if(m_staticMin)
	636	ShowWindow((HWND) m_staticMin, (BOOL)cshow);
	637	if(m_staticMax)
	638	ShowWindow((HWND) m_staticMax, (BOOL)cshow);
	639	return TRUE;
	640	}
	641
	642	#endif
	643	// __WIN95__
	644