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__)
#include <commctrl.h>
#endif

#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl)

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

#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->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);
      }
    }
}

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);

  // 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::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;

  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, & 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 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, & 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 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(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	#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__)
	35	#include <commctrl.h>
	36	#endif
	37
	38	#if !USE_SHARED_LIBRARY
	39	IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl)
	40
	41	BEGIN_EVENT_TABLE(wxSlider95, wxControl)
	42	#if WXWIN_COMPATIBILITY
	43	EVT_SCROLL(wxSlider95::OnScroll)
	44	#endif
	45	END_EVENT_TABLE()
	46
	47	#endif
	48
	49	// Slider
	50	wxSlider95::wxSlider95(void)
	51	{
	52	m_staticValue = 0;
	53	m_staticMin = 0;
	54	m_staticMax = 0;
	55	m_pageSize = 1;
	56	m_lineSize = 1;
	57	m_rangeMax = 0;
	58	m_rangeMin = 0;
	59	m_tickFreq = 0;
	60	}
	61
	62	bool wxSlider95::Create(wxWindow *parent, wxWindowID id,
	63	int value, int minValue, int maxValue,
	64	const wxPoint& pos,
	65	const wxSize& size, long style,
	66	const wxValidator& validator,
	67	const wxString& name)
	68	{
	69	SetName(name);
	70	SetValidator(validator);
	71
	72	if (parent) parent->AddChild(this);
	73	SetBackgroundColour(parent->GetBackgroundColour()) ;
	74	SetForegroundColour(parent->GetForegroundColour()) ;
	75
	76	m_staticValue = 0;
	77	m_staticMin = 0;
	78	m_staticMax = 0;
	79	m_pageSize = 1;
	80	m_lineSize = 1;
	81	m_windowStyle = style;
	82	m_tickFreq = 0;
	83
	84	if ( id == -1 )
	85	m_windowId = (int)NewControlId();
	86	else
	87	m_windowId = id;
	88
	89	int x = pos.x;
	90	int y = pos.y;
	91	int width = size.x;
	92	int height = size.y;
	93
	94	long msStyle ;
	95
	96	if ( m_windowStyle & wxSL_LABELS )
	97	{
	98	msStyle = WS_CHILD \| WS_VISIBLE \| WS_BORDER \| SS_CENTER;
	99
	100	bool want3D;
	101	WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
	102
	103	m_staticValue = (WXHWND) CreateWindowEx(exStyle, "STATIC", NULL,
	104	msStyle,
	105	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	106	wxGetInstance(), NULL);
	107
	108	// Now create min static control
	109	sprintf(wxBuffer, "%d", minValue);
	110	m_staticMin = (WXHWND) CreateWindowEx(0, "STATIC", wxBuffer,
	111	STATIC_FLAGS,
	112	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	113	wxGetInstance(), NULL);
	114	}
	115
	116	msStyle = 0;
	117	if (m_windowStyle & wxSL_VERTICAL)
	118	msStyle = TBS_VERT \| WS_CHILD \| WS_VISIBLE \| WS_TABSTOP ;
	119	else
	120	msStyle = TBS_HORZ \| WS_CHILD \| WS_VISIBLE \| WS_TABSTOP ;
	121
	122	if ( m_windowStyle & wxSL_AUTOTICKS )
	123	msStyle \|= TBS_AUTOTICKS ;
	124
	125	if ( m_windowStyle & wxSL_LEFT )
	126	msStyle \|= TBS_LEFT;
	127	else if ( m_windowStyle & wxSL_RIGHT )
	128	msStyle \|= TBS_RIGHT;
	129	else if ( m_windowStyle & wxSL_TOP )
	130	msStyle \|= TBS_TOP;
	131	else if ( m_windowStyle & wxSL_BOTTOM )
	132	msStyle \|= TBS_BOTTOM;
	133	else if ( m_windowStyle & wxSL_BOTH )
	134	msStyle \|= TBS_BOTH;
	135	else if ( ! (m_windowStyle & wxSL_AUTOTICKS) )
	136	msStyle \|= TBS_NOTICKS;
	137
	138	if ( m_windowStyle & wxSL_SELRANGE )
	139	msStyle \|= TBS_ENABLESELRANGE ;
	140
	141	HWND scroll_bar = CreateWindowEx(MakeExtendedStyle(m_windowStyle), TRACKBAR_CLASS, wxBuffer,
	142	msStyle,
	143	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
	144	wxGetInstance(), NULL);
	145
	146	m_rangeMax = maxValue;
	147	m_rangeMin = minValue;
	148
	149	m_pageSize = (int)((maxValue-minValue)/10);
	150
	151	::SendMessage(scroll_bar, TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
	152	::SendMessage(scroll_bar, TBM_SETPOS, TRUE, (LPARAM)value);
	153	::SendMessage(scroll_bar, TBM_SETPAGESIZE, 0, (LPARAM)m_pageSize);
	154
	155	m_hWnd = (WXHWND)scroll_bar;
	156
	157	SubclassWin(GetHWND());
	158
	159	SetWindowText((HWND) m_hWnd, "");
	160
	161	SetFont(parent->GetFont());
	162
	163	if ( m_windowStyle & wxSL_LABELS )
	164	{
	165	// Finally, create max value static item
	166	sprintf(wxBuffer, "%d", maxValue);
	167	m_staticMax = (WXHWND) CreateWindowEx(0, "STATIC", wxBuffer,
	168	STATIC_FLAGS,
	169	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	170	wxGetInstance(), NULL);
	171
	172
	173	if (GetFont().Ok())
	174	{
	175	if (GetFont().GetResourceHandle())
	176	{
	177	if ( m_staticMin )
	178	SendMessage((HWND)m_staticMin,WM_SETFONT,
	179	(WPARAM)GetFont().GetResourceHandle(),0L);
	180	if ( m_staticMax )
	181	SendMessage((HWND)m_staticMax,WM_SETFONT,
	182	(WPARAM)GetFont().GetResourceHandle(),0L);
	183	if (m_staticValue)
	184	SendMessage((HWND)m_staticValue,WM_SETFONT,
	185	(WPARAM)GetFont().GetResourceHandle(),0L);
	186	}
	187	}
	188	}
	189
	190	SetSize(x, y, width, height);
	191	SetValue(value);
	192
	193	return TRUE;
	194	}
	195
	196	void wxSlider95::MSWOnVScroll(WXWORD wParam, WXWORD pos, WXHWND control)
	197	{
	198	int position = 0; // Dummy - not used in this mode
	199
	200	int nScrollInc;
	201	wxEventType scrollEvent = wxEVT_NULL;
	202	switch ( wParam )
	203	{
	204	case SB_TOP:
	205	nScrollInc = m_rangeMax - position;
	206	scrollEvent = wxEVT_SCROLL_TOP;
	207	break;
	208
	209	case SB_BOTTOM:
	210	nScrollInc = - position;
	211	scrollEvent = wxEVT_SCROLL_BOTTOM;
	212	break;
	213
	214	case SB_LINEUP:
	215	nScrollInc = - GetLineSize();
	216	scrollEvent = wxEVT_SCROLL_LINEUP;
	217	break;
	218
	219	case SB_LINEDOWN:
	220	nScrollInc = GetLineSize();
	221	scrollEvent = wxEVT_SCROLL_LINEDOWN;
	222	break;
	223
	224	case SB_PAGEUP:
	225	nScrollInc = -GetPageSize();
	226	scrollEvent = wxEVT_SCROLL_PAGEUP;
	227	break;
	228
	229	case SB_PAGEDOWN:
	230	nScrollInc = GetPageSize();
	231	scrollEvent = wxEVT_SCROLL_PAGEDOWN;
	232	break;
	233
	234	case SB_THUMBTRACK:
	235	case SB_THUMBPOSITION:
	236	#ifdef __WIN32__
	237	nScrollInc = (signed short)pos - position;
	238	#else
	239	nScrollInc = pos - position;
	240	#endif
	241	scrollEvent = wxEVT_SCROLL_THUMBTRACK;
	242	break;
	243
	244	default:
	245	nScrollInc = 0;
	246	return;
	247	}
	248
	249	{
	250
	251	int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
	252	if (!(newPos < GetMin() \|\| newPos > GetMax()))
	253	{
	254	SetValue(newPos);
	255
	256	wxScrollEvent event(scrollEvent, m_windowId);
	257	event.SetPosition(newPos);
	258	event.SetEventObject( this );
	259	GetEventHandler()->ProcessEvent(event);
	260	}
	261	}
	262	}
	263
	264	void wxSlider95::MSWOnHScroll(WXWORD wParam, WXWORD pos, WXHWND control)
	265	{
	266	MSWOnVScroll(wParam, pos, control);
	267	}
	268
	269	wxSlider95::~wxSlider95(void)
	270	{
	271	if (m_staticMin)
	272	DestroyWindow((HWND) m_staticMin);
	273	if (m_staticMax)
	274	DestroyWindow((HWND) m_staticMax);
	275	if (m_staticValue)
	276	DestroyWindow((HWND) m_staticValue);
	277	}
	278
	279	int wxSlider95::GetValue(void) const
	280	{
	281	return ::SendMessage((HWND) GetHWND(), TBM_GETPOS, 0, 0);
	282	}
	283
	284	void wxSlider95::SetValue(int value)
	285	{
	286	::SendMessage((HWND) GetHWND(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);
	287	if (m_staticValue)
	288	{
	289	sprintf(wxBuffer, "%d", value);
	290	SetWindowText((HWND) m_staticValue, wxBuffer);
	291	}
	292	}
	293
	294	void wxSlider95::GetSize(int width, int height) const
	295	{
	296	RECT rect;
	297	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	298
	299	wxFindMaxSize(GetHWND(), &rect);
	300
	301	if (m_staticMin)
	302	wxFindMaxSize(m_staticMin, &rect);
	303	if (m_staticMax)
	304	wxFindMaxSize(m_staticMax, &rect);
	305	if (m_staticValue)
	306	wxFindMaxSize(m_staticValue, &rect);
	307
	308	*width = rect.right - rect.left;
	309	*height = rect.bottom - rect.top;
	310	}
	311
	312	void wxSlider95::GetPosition(int x, int y) const
	313	{
	314	wxWindow *parent = GetParent();
	315	RECT rect;
	316	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	317
	318	wxFindMaxSize(GetHWND(), &rect);
	319
	320	if (m_staticMin)
	321	wxFindMaxSize(m_staticMin, &rect);
	322	if (m_staticMax)
	323	wxFindMaxSize(m_staticMax, &rect);
	324	if (m_staticValue)
	325	wxFindMaxSize(m_staticValue, &rect);
	326
	327	// Since we now have the absolute screen coords,
	328	// if there's a parent we must subtract its top left corner
	329	POINT point;
	330	point.x = rect.left;
	331	point.y = rect.top;
	332	if (parent)
	333	::ScreenToClient((HWND) parent->GetHWND(), &point);
	334
	335	// We may be faking the client origin.
	336	// So a window that's really at (0, 30) may appear
	337	// (to wxWin apps) to be at (0, 0).
	338	if (GetParent())
	339	{
	340	wxPoint pt(GetParent()->GetClientAreaOrigin());
	341	point.x -= pt.x;
	342	point.y -= pt.y;
	343	}
	344	*x = point.x;
	345	*y = point.y;
	346	}
	347
	348	void wxSlider95::SetSize(int x, int y, int width, int height, int sizeFlags)
	349	{
	350	int x1 = x;
	351	int y1 = y;
	352	int w1 = width;
	353	int h1 = height;
	354
	355	int currentX, currentY;
	356	GetPosition(&currentX, &currentY);
	357	if (x == -1 \|\| (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	358	x1 = currentX;
	359	if (y == -1 \|\| (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	360	y1 = currentY;
	361
	362	AdjustForParentClientOrigin(x1, y1, sizeFlags);
	363
	364	char buf[300];
	365
	366	int x_offset = x;
	367	int y_offset = y;
	368
	369	int cx; // slider,min,max sizes
	370	int cy;
	371	int cyf;
	372
	373	wxGetCharSize(GetHWND(), &cx, &cy, & GetFont());
	374
	375	if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
	376	{
	377	if ( m_windowStyle & wxSL_LABELS )
	378	{
	379	int min_len = 0;
	380
	381	GetWindowText((HWND) m_staticMin, buf, 300);
	382	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & GetFont());
	383
	384	int max_len = 0;
	385
	386	GetWindowText((HWND) m_staticMax, buf, 300);
	387	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & GetFont());
	388	if (m_staticValue)
	389	{
	390	int new_width = (int)(wxMax(min_len, max_len));
	391	int valueHeight = (int)cyf;
	392	#ifdef __WIN32__
	393	// For some reason, under Win95, the text edit control has
	394	// a lot of space before the first character
	395	new_width += 3*cx;
	396	#endif
	397	// The height needs to be a bit bigger under Win95 if using native
	398	// 3D effects.
	399	valueHeight = (int) (valueHeight * 1.5) ;
	400	MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
	401	x_offset += new_width + cx;
	402	}
	403
	404	MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
	405	x_offset += (int)(min_len + cx);
	406
	407	int slider_length = (int)(w1 - x_offset - max_len - cx);
	408
	409	int slider_height = h1;
	410	if (slider_height < 0 )
	411	slider_height = 20;
	412
	413	// Slider must have a minimum/default length/height
	414	if (slider_length < 100)
	415	slider_length = 100;
	416
	417	MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_length, slider_height, TRUE);
	418	x_offset += slider_length + cx;
	419
	420	MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
	421	}
	422	else
	423	{
	424	// No labels
	425	// If we're prepared to use the existing size, then...
	426	if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
	427	{
	428	GetSize(&w1, &h1);
	429	}
	430	if ( w1 < 0 )
	431	w1 = 200;
	432	if ( h1 < 0 )
	433	h1 = 20;
	434	MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
	435	}
	436	}
	437	else
	438	{
	439	if ( m_windowStyle & wxSL_LABELS )
	440	{
	441	int min_len;
	442	GetWindowText((HWND) m_staticMin, buf, 300);
	443	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & GetFont());
	444
	445	int max_len;
	446	GetWindowText((HWND) m_staticMax, buf, 300);
	447	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & GetFont());
	448
	449	if (m_staticValue)
	450	{
	451	int new_width = (int)(wxMax(min_len, max_len));
	452	int valueHeight = (int)cyf;
	453	/*** Suggested change by George Tasker - remove this block...
	454	#ifdef __WIN32__
	455	// For some reason, under Win95, the text edit control has
	456	// a lot of space before the first character
	457	new_width += 3*cx;
	458	#endif
	459	... and replace with following line: */
	460	new_width += cx;
	461
	462	// The height needs to be a bit bigger under Win95 if using native
	463	// 3D effects.
	464	valueHeight = (int) (valueHeight * 1.5) ;
	465
	466	MoveWindow((HWND) m_staticValue, x_offset, y_offset, new_width, valueHeight, TRUE);
	467	y_offset += valueHeight;
	468	}
	469
	470	MoveWindow((HWND) m_staticMin, x_offset, y_offset, (int)min_len, cy, TRUE);
	471	y_offset += cy;
	472
	473	int slider_length = (int)(h1 - y_offset - cy - cy);
	474
	475	int slider_width = w1;
	476	if (slider_width < 0 )
	477	slider_width = 20;
	478
	479	// Slider must have a minimum/default length
	480	if (slider_length < 100)
	481	slider_length = 100;
	482
	483	MoveWindow((HWND) GetHWND(), x_offset, y_offset, slider_width, slider_length, TRUE);
	484	y_offset += slider_length;
	485
	486	MoveWindow((HWND) m_staticMax, x_offset, y_offset, (int)max_len, cy, TRUE);
	487	}
	488	else
	489	{
	490	// No labels
	491	// If we're prepared to use the existing size, then...
	492	if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
	493	{
	494	GetSize(&w1, &h1);
	495	}
	496	if ( w1 < 0 )
	497	w1 = 20;
	498	if ( h1 < 0 )
	499	h1 = 200;
	500	MoveWindow((HWND) GetHWND(), x1, y1, w1, h1, TRUE);
	501	}
	502	}
	503	}
	504
	505	void wxSlider95::SetRange(int minValue, int maxValue)
	506	{
	507	m_rangeMin = minValue;
	508	m_rangeMax = maxValue;
	509
	510	::SendMessage((HWND) GetHWND(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
	511
	512	char buf[40];
	513	if ( m_staticMin )
	514	{
	515	sprintf(buf, "%d", m_rangeMin);
	516	SetWindowText((HWND) m_staticMin, buf);
	517	}
	518
	519	if ( m_staticMax )
	520	{
	521	sprintf(buf, "%d", m_rangeMax);
	522	SetWindowText((HWND) m_staticMax, buf);
	523	}
	524	}
	525
	526	WXHBRUSH wxSlider95::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
	527	WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
	528	{
	529	if ( nCtlColor == CTLCOLOR_SCROLLBAR )
	530	return 0;
	531
	532	// Otherwise, it's a static
	533	if (GetParent()->GetTransparentBackground())
	534	SetBkMode((HDC) pDC, TRANSPARENT);
	535	else
	536	SetBkMode((HDC) pDC, OPAQUE);
	537
	538	::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
	539	::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
	540
	541	wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
	542	return (WXHBRUSH) backgroundBrush->GetResourceHandle();
	543	}
	544
	545	// For trackbars only
	546	void wxSlider95::SetTickFreq(int n, int pos)
	547	{
	548	m_tickFreq = n;
	549	::SendMessage( (HWND) GetHWND(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
	550	}
	551
	552	void wxSlider95::SetPageSize(int pageSize)
	553	{
	554	::SendMessage( (HWND) GetHWND(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
	555	m_pageSize = pageSize;
	556	}
	557
	558	int wxSlider95::GetPageSize(void) const
	559	{
	560	return m_pageSize;
	561	}
	562
	563	void wxSlider95::ClearSel(void)
	564	{
	565	::SendMessage( (HWND) GetHWND(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0 );
	566	}
	567
	568	void wxSlider95::ClearTicks(void)
	569	{
	570	::SendMessage( (HWND) GetHWND(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0 );
	571	}
	572
	573	void wxSlider95::SetLineSize(int lineSize)
	574	{
	575	m_lineSize = lineSize;
	576	::SendMessage( (HWND) GetHWND(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize );
	577	}
	578
	579	int wxSlider95::GetLineSize(void) const
	580	{
	581	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETLINESIZE, (WPARAM) 0, (LPARAM) 0 );
	582	}
	583
	584	int wxSlider95::GetSelEnd(void) const
	585	{
	586	return (int) ::SendMessage( (HWND) GetHWND(), TBM_SETSELEND, (WPARAM) 0, (LPARAM) 0 );
	587	}
	588
	589	int wxSlider95::GetSelStart(void) const
	590	{
	591	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETSELSTART, (WPARAM) 0, (LPARAM) 0 );
	592	}
	593
	594	void wxSlider95::SetSelection(int minPos, int maxPos)
	595	{
	596	::SendMessage( (HWND) GetHWND(), TBM_SETSEL, (WPARAM) TRUE, (LPARAM) MAKELONG( minPos, maxPos) );
	597	}
	598
	599	void wxSlider95::SetThumbLength(int len)
	600	{
	601	::SendMessage( (HWND) GetHWND(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0 );
	602	}
	603
	604	int wxSlider95::GetThumbLength(void) const
	605	{
	606	return (int) ::SendMessage( (HWND) GetHWND(), TBM_GETTHUMBLENGTH, (WPARAM) 0, (LPARAM) 0 );
	607	}
	608
	609	void wxSlider95::SetTick(int tickPos)
	610	{
	611	::SendMessage( (HWND) GetHWND(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
	612	}
	613
	614	bool wxSlider95::ContainsHWND(WXHWND hWnd) const
	615	{
	616	return ( hWnd == GetStaticMin() \|\| hWnd == GetStaticMax() \|\| hWnd == GetEditValue() );
	617	}
	618
	619	#if WXWIN_COMPATIBILITY
	620	// Backward compatibility
	621	void wxSlider95::OnScroll(wxScrollEvent& event)
	622	{
	623	wxEventType oldEvent = event.GetEventType();
	624	event.SetEventType( wxEVT_COMMAND_SLIDER_UPDATED );
	625	if ( !GetEventHandler()->ProcessEvent(event) )
	626	{
	627	event.SetEventType( oldEvent );
	628	if (!GetParent()->GetEventHandler()->ProcessEvent(event))
	629	event.Skip();
	630	}
	631	}
	632	#endif
	633
	634	void wxSlider95::Command (wxCommandEvent & event)
	635	{
	636	SetValue (event.GetInt());
	637	ProcessCommand (event);
	638	}
	639
	640	bool wxSlider95::Show(bool show)
	641	{
	642	wxWindow::Show(show);
	643
	644	int cshow;
	645	if (show)
	646	cshow = SW_SHOW;
	647	else
	648	cshow = SW_HIDE;
	649
	650	if(m_staticValue)
	651	ShowWindow((HWND) m_staticValue, (BOOL)cshow);
	652	if(m_staticMin)
	653	ShowWindow((HWND) m_staticMin, (BOOL)cshow);
	654	if(m_staticMax)
	655	ShowWindow((HWND) m_staticMax, (BOOL)cshow);
	656	return TRUE;
	657	}
	658
	659	#endif
	660	// __WIN95__
	661