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

#if wxUSE_SLIDER

#ifndef WX_PRECOMP
#include "wx/utils.h"
#include "wx/brush.h"
#include "wx/slider.h"
#endif

#ifdef __WIN95__

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

#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
    #include <commctrl.h>
#endif

IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)

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

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

    if (parent) parent->AddChild(this);

    SetBackgroundColour(parent->GetBackgroundColour()) ;
    SetForegroundColour(parent->GetForegroundColour()) ;

    m_staticValue = (WXHWND) NULL;;
    m_staticMin = (WXHWND) NULL;;
    m_staticMax = (WXHWND) NULL;;
    m_pageSize = 1;
    m_lineSize = 1;
    m_windowStyle = style;
    m_tickFreq = 0;

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

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

    long msStyle = 0;
    long wstyle = 0;

    if ( m_windowStyle & wxCLIP_SIBLINGS )
        msStyle |= WS_CLIPSIBLINGS;

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

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

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

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

    msStyle = 0;

    if ( m_windowStyle & wxCLIP_SIBLINGS )
        msStyle |= WS_CLIPSIBLINGS;

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

    if ( m_windowStyle & wxSL_AUTOTICKS )
        msStyle |= TBS_AUTOTICKS ;

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

    if ( m_windowStyle & wxSL_SELRANGE )
        msStyle |= TBS_ENABLESELRANGE;

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

    m_rangeMax = maxValue;
    m_rangeMin = minValue;

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

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

    m_hWnd = (WXHWND)scroll_bar;

    SubclassWin(GetHWND());

    ::SetWindowText((HWND) m_hWnd, wxT(""));

    SetFont(parent->GetFont());

    if ( m_windowStyle & wxSL_LABELS )
    {
        // Finally, create max value static item
        wxSprintf(wxBuffer, wxT("%d"), maxValue);
        wstyle = STATIC_FLAGS;

        if ( m_windowStyle & wxCLIP_SIBLINGS )
            msStyle |= WS_CLIPSIBLINGS;

        m_staticMax = (WXHWND) CreateWindowEx
            (
                0, wxT("STATIC"), wxBuffer,
                wstyle,
                0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
                wxGetInstance(), NULL
            );


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

                if ( m_staticMax )
                    ::SendMessage((HWND) m_staticMax, WM_SETFONT,
                        (WPARAM) GetFont().GetResourceHandle(), 0L);

                if (m_staticValue)
                    ::SendMessage((HWND) m_staticValue, WM_SETFONT,
                        (WPARAM) GetFont().GetResourceHandle(), 0L);
            }
        }
    }

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

    return TRUE;
}

bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
                             WXWORD WXUNUSED(pos), WXHWND control)
{
    wxEventType scrollEvent;
    switch ( wParam )
    {
        case SB_TOP:
            scrollEvent = wxEVT_SCROLL_TOP;
            break;

        case SB_BOTTOM:
            scrollEvent = wxEVT_SCROLL_BOTTOM;
            break;

        case SB_LINEUP:
            scrollEvent = wxEVT_SCROLL_LINEUP;
            break;

        case SB_LINEDOWN:
            scrollEvent = wxEVT_SCROLL_LINEDOWN;
            break;

        case SB_PAGEUP:
            scrollEvent = wxEVT_SCROLL_PAGEUP;
            break;

        case SB_PAGEDOWN:
            scrollEvent = wxEVT_SCROLL_PAGEDOWN;
            break;

        case SB_THUMBTRACK:
            scrollEvent = wxEVT_SCROLL_THUMBTRACK;
            break;

        case SB_THUMBPOSITION:
            scrollEvent = wxEVT_SCROLL_THUMBRELEASE;
            break;

        case SB_ENDSCROLL:
            scrollEvent = wxEVT_SCROLL_ENDSCROLL;
            break;

        default:
            // unknown scroll event?
            return FALSE;
    }

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

    SetValue(newPos);

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

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

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

wxSlider95::~wxSlider95()
{
    if (m_staticMin)
    {
        ::DestroyWindow((HWND) m_staticMin);
        m_staticMin = (WXHWND) NULL;
    }

    if (m_staticMax)
    {
        ::DestroyWindow((HWND) m_staticMax);
        m_staticMax = (WXHWND) NULL;
    }

    if (m_staticValue)
    {
        ::DestroyWindow((HWND) m_staticValue);
        m_staticValue = (WXHWND) NULL;
    }
}

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

void wxSlider95::SetValue(int value)
{
    ::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);

    if (m_staticValue)
    {
        wxSprintf(wxBuffer, wxT("%d"), value);
        ::SetWindowText((HWND) m_staticValue, wxBuffer);
    }
}

void wxSlider95::DoGetSize(int *width, int *height) const
{
    GetSize(width, height);
}

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

    wxFindMaxSize(GetHWND(), &rect);

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

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

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

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

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

    wxFindMaxSize(GetHWND(), &rect);

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

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

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

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

// TODO one day, make sense of all this horros and replace it with a readable
//      DoGetBestSize()
void wxSlider95::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
    int x1 = x;
    int y1 = y;
    int w1 = width;
    int h1 = height;

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

    AdjustForParentClientOrigin(x1, y1, sizeFlags);

    wxChar buf[300];

    int x_offset = x;
    int y_offset = y;

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

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

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

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

            int max_len = 0;

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

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

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

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

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

            ::MoveWindow(GetHwnd(), x_offset, y_offset,
                slider_length, slider_height, TRUE);
            x_offset += slider_length + cx;

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

            if ( w1 < 0 )
                w1 = 200;
            if ( h1 < 0 )
                h1 = 20;

            ::MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
        }
    }
    else
    {
        if ( m_windowStyle & wxSL_LABELS )
        {
            int min_len;
            ::GetWindowText((HWND) m_staticMin, buf, 300);
            GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());

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

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

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

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

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

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

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

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

            ::MoveWindow(GetHwnd(), x_offset, y_offset,
                slider_width, slider_length, TRUE);
            y_offset += slider_length;

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

            if ( w1 < 0 )
                w1 = 20;
            if ( h1 < 0 )
                h1 = 200;

            ::MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
        }
    }
}

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

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

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

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

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

    // Otherwise, it's a static
    return wxControl::OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    if(m_staticValue)
        ShowWindow((HWND) m_staticValue, (BOOL)cshow);

    if(m_staticMin)
        ShowWindow((HWND) m_staticMin, (BOOL)cshow);

    if(m_staticMax)
        ShowWindow((HWND) m_staticMax, (BOOL)cshow);

    return TRUE;
}

#endif
  // __WIN95__

#endif // wxUSE_SLIDER
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	#if wxUSE_SLIDER
	24
	25	#ifndef WX_PRECOMP
	26	#include "wx/utils.h"
	27	#include "wx/brush.h"
	28	#include "wx/slider.h"
	29	#endif
	30
	31	#ifdef __WIN95__
	32
	33	#include "wx/msw/slider95.h"
	34	#include "wx/msw/private.h"
	35
	36	#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) \|\| defined(__TWIN32__)) && !defined(__CYGWIN10__))
	37	#include <commctrl.h>
	38	#endif
	39
	40	IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
	41
	42	// Slider
	43	wxSlider95::wxSlider95()
	44	{
	45	m_staticValue = (WXHWND) NULL;
	46	m_staticMin = (WXHWND) NULL;
	47	m_staticMax = (WXHWND) NULL;
	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	#if wxUSE_VALIDATORS
	64	SetValidator(validator);
	65	#endif // wxUSE_VALIDATORS
	66
	67	if (parent) parent->AddChild(this);
	68
	69	SetBackgroundColour(parent->GetBackgroundColour()) ;
	70	SetForegroundColour(parent->GetForegroundColour()) ;
	71
	72	m_staticValue = (WXHWND) NULL;;
	73	m_staticMin = (WXHWND) NULL;;
	74	m_staticMax = (WXHWND) NULL;;
	75	m_pageSize = 1;
	76	m_lineSize = 1;
	77	m_windowStyle = style;
	78	m_tickFreq = 0;
	79
	80	if ( id == -1 )
	81	m_windowId = (int)NewControlId();
	82	else
	83	m_windowId = id;
	84
	85	int x = pos.x;
	86	int y = pos.y;
	87	int width = size.x;
	88	int height = size.y;
	89
	90	long msStyle = 0;
	91	long wstyle = 0;
	92
	93	if ( m_windowStyle & wxCLIP_SIBLINGS )
	94	msStyle \|= WS_CLIPSIBLINGS;
	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
	104	(
	105	exStyle, wxT("STATIC"), NULL,
	106	msStyle,
	107	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	108	wxGetInstance(), NULL
	109	);
	110
	111	// Now create min static control
	112	wxSprintf(wxBuffer, wxT("%d"), minValue);
	113	wstyle = STATIC_FLAGS;
	114	if ( m_windowStyle & wxCLIP_SIBLINGS )
	115	msStyle \|= WS_CLIPSIBLINGS;
	116	m_staticMin = (WXHWND) CreateWindowEx
	117	(
	118	0, wxT("STATIC"), wxBuffer,
	119	wstyle,
	120	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	121	wxGetInstance(), NULL
	122	);
	123	}
	124
	125	msStyle = 0;
	126
	127	if ( m_windowStyle & wxCLIP_SIBLINGS )
	128	msStyle \|= WS_CLIPSIBLINGS;
	129
	130	if (m_windowStyle & wxSL_VERTICAL)
	131	msStyle = TBS_VERT \| WS_CHILD \| WS_VISIBLE \| WS_TABSTOP ;
	132	else
	133	msStyle = TBS_HORZ \| WS_CHILD \| WS_VISIBLE \| WS_TABSTOP ;
	134
	135	if ( m_windowStyle & wxSL_AUTOTICKS )
	136	msStyle \|= TBS_AUTOTICKS ;
	137
	138	if ( m_windowStyle & wxSL_LEFT )
	139	msStyle \|= TBS_LEFT;
	140	else if ( m_windowStyle & wxSL_RIGHT )
	141	msStyle \|= TBS_RIGHT;
	142	else if ( m_windowStyle & wxSL_TOP )
	143	msStyle \|= TBS_TOP;
	144	else if ( m_windowStyle & wxSL_BOTTOM )
	145	msStyle \|= TBS_BOTTOM;
	146	else if ( m_windowStyle & wxSL_BOTH )
	147	msStyle \|= TBS_BOTH;
	148	else if ( ! (m_windowStyle & wxSL_AUTOTICKS) )
	149	msStyle \|= TBS_NOTICKS;
	150
	151	if ( m_windowStyle & wxSL_SELRANGE )
	152	msStyle \|= TBS_ENABLESELRANGE;
	153
	154	HWND scroll_bar = CreateWindowEx
	155	(
	156	MakeExtendedStyle(m_windowStyle), TRACKBAR_CLASS, wxBuffer,
	157	msStyle,
	158	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
	159	wxGetInstance(), NULL
	160	);
	161
	162	m_rangeMax = maxValue;
	163	m_rangeMin = minValue;
	164
	165	m_pageSize = (int)((maxValue-minValue)/10);
	166
	167	::SendMessage(scroll_bar, TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
	168	::SendMessage(scroll_bar, TBM_SETPOS, TRUE, (LPARAM)value);
	169	::SendMessage(scroll_bar, TBM_SETPAGESIZE, 0, (LPARAM)m_pageSize);
	170
	171	m_hWnd = (WXHWND)scroll_bar;
	172
	173	SubclassWin(GetHWND());
	174
	175	::SetWindowText((HWND) m_hWnd, wxT(""));
	176
	177	SetFont(parent->GetFont());
	178
	179	if ( m_windowStyle & wxSL_LABELS )
	180	{
	181	// Finally, create max value static item
	182	wxSprintf(wxBuffer, wxT("%d"), maxValue);
	183	wstyle = STATIC_FLAGS;
	184
	185	if ( m_windowStyle & wxCLIP_SIBLINGS )
	186	msStyle \|= WS_CLIPSIBLINGS;
	187
	188	m_staticMax = (WXHWND) CreateWindowEx
	189	(
	190	0, wxT("STATIC"), wxBuffer,
	191	wstyle,
	192	0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
	193	wxGetInstance(), NULL
	194	);
	195
	196
	197	if (GetFont().Ok())
	198	{
	199	if (GetFont().GetResourceHandle())
	200	{
	201	if ( m_staticMin )
	202	::SendMessage((HWND) m_staticMin, WM_SETFONT,
	203	(WPARAM) GetFont().GetResourceHandle(), 0L);
	204
	205	if ( m_staticMax )
	206	::SendMessage((HWND) m_staticMax, WM_SETFONT,
	207	(WPARAM) GetFont().GetResourceHandle(), 0L);
	208
	209	if (m_staticValue)
	210	::SendMessage((HWND) m_staticValue, WM_SETFONT,
	211	(WPARAM) GetFont().GetResourceHandle(), 0L);
	212	}
	213	}
	214	}
	215
	216	SetSize(x, y, width, height);
	217	SetValue(value);
	218
	219	return TRUE;
	220	}
	221
	222	bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
	223	WXWORD WXUNUSED(pos), WXHWND control)
	224	{
	225	wxEventType scrollEvent;
	226	switch ( wParam )
	227	{
	228	case SB_TOP:
	229	scrollEvent = wxEVT_SCROLL_TOP;
	230	break;
	231
	232	case SB_BOTTOM:
	233	scrollEvent = wxEVT_SCROLL_BOTTOM;
	234	break;
	235
	236	case SB_LINEUP:
	237	scrollEvent = wxEVT_SCROLL_LINEUP;
	238	break;
	239
	240	case SB_LINEDOWN:
	241	scrollEvent = wxEVT_SCROLL_LINEDOWN;
	242	break;
	243
	244	case SB_PAGEUP:
	245	scrollEvent = wxEVT_SCROLL_PAGEUP;
	246	break;
	247
	248	case SB_PAGEDOWN:
	249	scrollEvent = wxEVT_SCROLL_PAGEDOWN;
	250	break;
	251
	252	case SB_THUMBTRACK:
	253	scrollEvent = wxEVT_SCROLL_THUMBTRACK;
	254	break;
	255
	256	case SB_THUMBPOSITION:
	257	scrollEvent = wxEVT_SCROLL_THUMBRELEASE;
	258	break;
	259
	260	case SB_ENDSCROLL:
	261	scrollEvent = wxEVT_SCROLL_ENDSCROLL;
	262	break;
	263
	264	default:
	265	// unknown scroll event?
	266	return FALSE;
	267	}
	268
	269	int newPos = (int) ::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
	270	if ( (newPos < GetMin()) \|\| (newPos > GetMax()) )
	271	{
	272	// out of range - but we did process it
	273	return TRUE;
	274	}
	275
	276	SetValue(newPos);
	277
	278	wxScrollEvent event(scrollEvent, m_windowId);
	279	event.SetPosition(newPos);
	280	event.SetEventObject( this );
	281	GetEventHandler()->ProcessEvent(event);
	282
	283	wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
	284	cevent.SetInt( newPos );
	285	cevent.SetEventObject( this );
	286
	287	return GetEventHandler()->ProcessEvent( cevent );
	288	}
	289
	290	wxSlider95::~wxSlider95()
	291	{
	292	if (m_staticMin)
	293	{
	294	::DestroyWindow((HWND) m_staticMin);
	295	m_staticMin = (WXHWND) NULL;
	296	}
	297
	298	if (m_staticMax)
	299	{
	300	::DestroyWindow((HWND) m_staticMax);
	301	m_staticMax = (WXHWND) NULL;
	302	}
	303
	304	if (m_staticValue)
	305	{
	306	::DestroyWindow((HWND) m_staticValue);
	307	m_staticValue = (WXHWND) NULL;
	308	}
	309	}
	310
	311	int wxSlider95::GetValue() const
	312	{
	313	return ::SendMessage(GetHwnd(), TBM_GETPOS, 0, 0);
	314	}
	315
	316	void wxSlider95::SetValue(int value)
	317	{
	318	::SendMessage(GetHwnd(), TBM_SETPOS, (WPARAM)TRUE, (LPARAM)value);
	319
	320	if (m_staticValue)
	321	{
	322	wxSprintf(wxBuffer, wxT("%d"), value);
	323	::SetWindowText((HWND) m_staticValue, wxBuffer);
	324	}
	325	}
	326
	327	void wxSlider95::DoGetSize(int width, int height) const
	328	{
	329	GetSize(width, height);
	330	}
	331
	332	void wxSlider95::GetSize(int width, int height) const
	333	{
	334	RECT rect;
	335	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	336
	337	wxFindMaxSize(GetHWND(), &rect);
	338
	339	if (m_staticMin)
	340	wxFindMaxSize(m_staticMin, &rect);
	341
	342	if (m_staticMax)
	343	wxFindMaxSize(m_staticMax, &rect);
	344
	345	if (m_staticValue)
	346	wxFindMaxSize(m_staticValue, &rect);
	347
	348	*width = rect.right - rect.left;
	349	*height = rect.bottom - rect.top;
	350	}
	351
	352	void wxSlider95::GetPosition(int x, int y) const
	353	{
	354	wxWindow *parent = GetParent();
	355	RECT rect;
	356	rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
	357
	358	wxFindMaxSize(GetHWND(), &rect);
	359
	360	if (m_staticMin)
	361	wxFindMaxSize(m_staticMin, &rect);
	362	if (m_staticMax)
	363	wxFindMaxSize(m_staticMax, &rect);
	364	if (m_staticValue)
	365	wxFindMaxSize(m_staticValue, &rect);
	366
	367	// Since we now have the absolute screen coords,
	368	// if there's a parent we must subtract its top left corner
	369	POINT point;
	370	point.x = rect.left;
	371	point.y = rect.top;
	372	if (parent)
	373	::ScreenToClient((HWND) parent->GetHWND(), &point);
	374
	375	// We may be faking the client origin.
	376	// So a window that's really at (0, 30) may appear
	377	// (to wxWin apps) to be at (0, 0).
	378	if (GetParent())
	379	{
	380	wxPoint pt(GetParent()->GetClientAreaOrigin());
	381	point.x -= pt.x;
	382	point.y -= pt.y;
	383	}
	384
	385	*x = point.x;
	386	*y = point.y;
	387	}
	388
	389	// TODO one day, make sense of all this horros and replace it with a readable
	390	// DoGetBestSize()
	391	void wxSlider95::DoSetSize(int x, int y, int width, int height, int sizeFlags)
	392	{
	393	int x1 = x;
	394	int y1 = y;
	395	int w1 = width;
	396	int h1 = height;
	397
	398	int currentX, currentY;
	399	GetPosition(&currentX, &currentY);
	400	if (x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	401	x1 = currentX;
	402	if (y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	403	y1 = currentY;
	404
	405	AdjustForParentClientOrigin(x1, y1, sizeFlags);
	406
	407	wxChar buf[300];
	408
	409	int x_offset = x;
	410	int y_offset = y;
	411
	412	int cx; // slider,min,max sizes
	413	int cy;
	414	int cyf;
	415
	416	wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont());
	417
	418	if ((m_windowStyle & wxSL_VERTICAL) != wxSL_VERTICAL)
	419	{
	420	if ( m_windowStyle & wxSL_LABELS )
	421	{
	422	int min_len = 0;
	423
	424	::GetWindowText((HWND) m_staticMin, buf, 300);
	425	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
	426
	427	int max_len = 0;
	428
	429	::GetWindowText((HWND) m_staticMax, buf, 300);
	430	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
	431	if (m_staticValue)
	432	{
	433	int new_width = (int)(wxMax(min_len, max_len));
	434	int valueHeight = (int)cyf;
	435	#ifdef __WIN32__
	436	// For some reason, under Win95, the text edit control has
	437	// a lot of space before the first character
	438	new_width += 3*cx;
	439	#endif
	440	// The height needs to be a bit bigger under Win95 if
	441	// using native 3D effects.
	442	valueHeight = (int) (valueHeight * 1.5) ;
	443	::MoveWindow((HWND) m_staticValue, x_offset, y_offset,
	444	new_width, valueHeight, TRUE);
	445	x_offset += new_width + cx;
	446	}
	447
	448	MoveWindow((HWND) m_staticMin, x_offset, y_offset,
	449	(int) min_len, cy, TRUE);
	450	x_offset += (int)(min_len + cx);
	451
	452	int slider_length = (int)(w1 - x_offset - max_len - cx);
	453
	454	int slider_height = h1;
	455	if (slider_height < 0 )
	456	slider_height = 20;
	457
	458	// Slider must have a minimum/default length/height
	459	if (slider_length < 100)
	460	slider_length = 100;
	461
	462	::MoveWindow(GetHwnd(), x_offset, y_offset,
	463	slider_length, slider_height, TRUE);
	464	x_offset += slider_length + cx;
	465
	466	MoveWindow((HWND) m_staticMax, x_offset, y_offset,
	467	(int) max_len, cy, TRUE);
	468	}
	469	else
	470	{
	471	// No labels
	472	// If we're prepared to use the existing size, then...
	473	if
	474	(
	475	width == -1
	476	&& height == -1
	477	&& ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO)
	478	)
	479	{
	480	GetSize(&w1, &h1);
	481	}
	482
	483	if ( w1 < 0 )
	484	w1 = 200;
	485	if ( h1 < 0 )
	486	h1 = 20;
	487
	488	::MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
	489	}
	490	}
	491	else
	492	{
	493	if ( m_windowStyle & wxSL_LABELS )
	494	{
	495	int min_len;
	496	::GetWindowText((HWND) m_staticMin, buf, 300);
	497	GetTextExtent(buf, &min_len, &cyf,NULL,NULL, & this->GetFont());
	498
	499	int max_len;
	500	::GetWindowText((HWND) m_staticMax, buf, 300);
	501	GetTextExtent(buf, &max_len, &cyf,NULL,NULL, & this->GetFont());
	502
	503	if (m_staticValue)
	504	{
	505	int new_width = (int)(wxMax(min_len, max_len));
	506	int valueHeight = (int)cyf;
	507	/*** Suggested change by George Tasker - remove this block...
	508	#ifdef __WIN32__
	509	// For some reason, under Win95, the text edit control has
	510	// a lot of space before the first character
	511	new_width += 3*cx;
	512	#endif
	513	... and replace with following line: */
	514	new_width += cx;
	515
	516	// The height needs to be a bit bigger under Win95 if
	517	// using native 3D effects.
	518	valueHeight = (int) (valueHeight * 1.5) ;
	519
	520	::MoveWindow((HWND) m_staticValue, x_offset, y_offset,
	521	new_width, valueHeight, TRUE);
	522	y_offset += valueHeight;
	523	}
	524
	525	::MoveWindow((HWND) m_staticMin, x_offset, y_offset,
	526	(int) min_len, cy, TRUE);
	527	y_offset += cy;
	528
	529	int slider_length = (int)(h1 - y_offset - cy - cy);
	530
	531	int slider_width = w1;
	532	if (slider_width < 0 )
	533	slider_width = 20;
	534
	535	// Slider must have a minimum/default length
	536	if (slider_length < 100)
	537	slider_length = 100;
	538
	539	::MoveWindow(GetHwnd(), x_offset, y_offset,
	540	slider_width, slider_length, TRUE);
	541	y_offset += slider_length;
	542
	543	::MoveWindow((HWND) m_staticMax, x_offset, y_offset,
	544	(int)max_len, cy, TRUE);
	545	}
	546	else
	547	{
	548	// No labels
	549	// If we're prepared to use the existing size, then...
	550	if
	551	(
	552	width == -1 && height == -1
	553	&& ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO)
	554	)
	555	{
	556	GetSize(&w1, &h1);
	557	}
	558
	559	if ( w1 < 0 )
	560	w1 = 20;
	561	if ( h1 < 0 )
	562	h1 = 200;
	563
	564	::MoveWindow(GetHwnd(), x1, y1, w1, h1, TRUE);
	565	}
	566	}
	567	}
	568
	569	void wxSlider95::SetRange(int minValue, int maxValue)
	570	{
	571	m_rangeMin = minValue;
	572	m_rangeMax = maxValue;
	573
	574	::SendMessage(GetHwnd(), TBM_SETRANGE, TRUE, MAKELONG(minValue, maxValue));
	575
	576	wxChar buf[40];
	577	if ( m_staticMin )
	578	{
	579	wxSprintf(buf, wxT("%d"), m_rangeMin);
	580	::SetWindowText((HWND) m_staticMin, buf);
	581	}
	582
	583	if ( m_staticMax )
	584	{
	585	wxSprintf(buf, wxT("%d"), m_rangeMax);
	586	::SetWindowText((HWND) m_staticMax, buf);
	587	}
	588	}
	589
	590	WXHBRUSH wxSlider95::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
	591	WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
	592	{
	593	if ( nCtlColor == CTLCOLOR_SCROLLBAR )
	594	return 0;
	595
	596	// Otherwise, it's a static
	597	return wxControl::OnCtlColor(pDC, pWnd, nCtlColor, message, wParam, lParam);
	598	}
	599
	600	// For trackbars only
	601	void wxSlider95::SetTickFreq(int n, int pos)
	602	{
	603	m_tickFreq = n;
	604	::SendMessage( GetHwnd(), TBM_SETTICFREQ, (WPARAM) n, (LPARAM) pos );
	605	}
	606
	607	void wxSlider95::SetPageSize(int pageSize)
	608	{
	609	::SendMessage( GetHwnd(), TBM_SETPAGESIZE, (WPARAM) 0, (LPARAM) pageSize );
	610	m_pageSize = pageSize;
	611	}
	612
	613	int wxSlider95::GetPageSize() const
	614	{
	615	return m_pageSize;
	616	}
	617
	618	void wxSlider95::ClearSel()
	619	{
	620	::SendMessage( GetHwnd(), TBM_CLEARSEL, (WPARAM) TRUE, (LPARAM) 0 );
	621	}
	622
	623	void wxSlider95::ClearTicks()
	624	{
	625	::SendMessage( GetHwnd(), TBM_CLEARTICS, (WPARAM) TRUE, (LPARAM) 0 );
	626	}
	627
	628	void wxSlider95::SetLineSize(int lineSize)
	629	{
	630	m_lineSize = lineSize;
	631	::SendMessage( GetHwnd(), TBM_SETLINESIZE, (WPARAM) 0, (LPARAM) lineSize );
	632	}
	633
	634	int wxSlider95::GetLineSize() const
	635	{
	636	return (int) ::SendMessage( GetHwnd(), TBM_GETLINESIZE,
	637	(WPARAM) 0, (LPARAM) 0 );
	638	}
	639
	640	int wxSlider95::GetSelEnd() const
	641	{
	642	return (int) ::SendMessage( GetHwnd(), TBM_SETSELEND,
	643	(WPARAM) 0, (LPARAM) 0 );
	644	}
	645
	646	int wxSlider95::GetSelStart() const
	647	{
	648	return (int) ::SendMessage( GetHwnd(), TBM_GETSELSTART,
	649	(WPARAM) 0, (LPARAM) 0 );
	650	}
	651
	652	void wxSlider95::SetSelection(int minPos, int maxPos)
	653	{
	654	::SendMessage(GetHwnd(), TBM_SETSEL,
	655	(WPARAM) TRUE, (LPARAM) MAKELONG( minPos, maxPos) );
	656	}
	657
	658	void wxSlider95::SetThumbLength(int len)
	659	{
	660	::SendMessage( GetHwnd(), TBM_SETTHUMBLENGTH, (WPARAM) len, (LPARAM) 0 );
	661	}
	662
	663	int wxSlider95::GetThumbLength() const
	664	{
	665	return (int) ::SendMessage( GetHwnd(), TBM_GETTHUMBLENGTH,
	666	(WPARAM) 0, (LPARAM) 0 );
	667	}
	668
	669	void wxSlider95::SetTick(int tickPos)
	670	{
	671	::SendMessage( GetHwnd(), TBM_SETTIC, (WPARAM) 0, (LPARAM) tickPos );
	672	}
	673
	674	bool wxSlider95::ContainsHWND(WXHWND hWnd) const
	675	{
	676	return
	677	(
	678	hWnd == GetStaticMin()
	679	\|\| hWnd == GetStaticMax()
	680	\|\| hWnd == GetEditValue()
	681	);
	682	}
	683
	684	void wxSlider95::Command (wxCommandEvent & event)
	685	{
	686	SetValue (event.GetInt());
	687	ProcessCommand (event);
	688	}
	689
	690	bool wxSlider95::Show(bool show)
	691	{
	692	wxWindow::Show(show);
	693
	694	int cshow;
	695	if (show)
	696	cshow = SW_SHOW;
	697	else
	698	cshow = SW_HIDE;
	699
	700	if(m_staticValue)
	701	ShowWindow((HWND) m_staticValue, (BOOL)cshow);
	702
	703	if(m_staticMin)
	704	ShowWindow((HWND) m_staticMin, (BOOL)cshow);
	705
	706	if(m_staticMax)
	707	ShowWindow((HWND) m_staticMax, (BOOL)cshow);
	708
	709	return TRUE;
	710	}
	711
	712	#endif
	713	// __WIN95__
	714
	715	#endif // wxUSE_SLIDER