tbareditctrlbase.h

BCAM 1394 Driver

//-----------------------------------------------------------------------------
//  (c) 2002 by Basler Vision Technologies
//  Section:  Vision Components
//  Project:  BCAM
//  $Header: TBarEditCtrlBase.h, 3, 02.10.2002 14:31:29, Nebelung, H.$
//-----------------------------------------------------------------------------
/**
  \file     TBarEditCtrlBase.h
  \brief    interface for the CTBarEditCtrlBase class.
*/
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_TBarEditCtrlBase_H__64039EFE_F624_11D4_B9D7_0050BACEA3A5__INCLUDED_)
#define AFX_TBarEditCtrlBase_H__64039EFE_F624_11D4_B9D7_0050BACEA3A5__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <stdarg.h>
#include <atlctrls.h>

#include "EditCtrlBase.h"
#include "TBarCtrlBase.h"

//////////////////////////////////////////////////////////////////////
/// Base class of combined control
class CTBarEditCtrlBase : public CEditCtrlBase,
public CTBarCtrlBase
{
  CWindow                                                                 *       m_pWndParent;
  
protected:
  
  // ID used when posting messages
  int                                                                             m_nPostMsgID;
  
  // Properties
  bool                                                                            m_bPostMsgEnabled;
  bool                      m_bLiveUpdateEnabled;
  
  
  int                                                                             m_nValue;
  double                                                                          m_dValue;
  
  //
  bool                                                                            m_bSkipEnChange;
  bool                                                                            m_bOnChange2Parent;
  bool                                                                            m_bOnUpdate2Parent;
  
  //
  int                                                                             m_nFormatWidth;
  int                                                                             m_nFormatPrecision;
  
public:
  CTBarEditCtrlBase(bool bPostMsgEnabled = true, bool bLiveUpdateEnabled = true);
  virtual                                                                         ~CTBarEditCtrlBase();
  
  BEGIN_MSG_MAP(CTBarEditCtrlBase)
    
    MESSAGE_HANDLER(WM_KEYDOWN,                     OnKeyDown)
    MESSAGE_HANDLER(WM_HSCROLL,                     OnHScroll)
    MESSAGE_HANDLER(WM_CHAR,        OnChar)
    
    COMMAND_HANDLER(m_nEditCtrlID, EN_CHANGE, OnChange)
    COMMAND_HANDLER(m_nEditCtrlID, EN_UPDATE, OnUpdate)
    COMMAND_HANDLER(m_nEditCtrlID, EN_KILLFOCUS, OnKillFocus)
    
    CHAIN_MSG_MAP(CEditCtrlBase)
    CHAIN_MSG_MAP(CTBarCtrlBase)
  
  END_MSG_MAP()
    
  /**********
  * Attach - Attach parent, Edit and TrackBar control to your instance of this class
  * \param       pParent                         Pointer to parent window
  * \param       nEditCtrlID             ID of Edit control to be attached
  * \param       nTBarCtrlID             ID of TrackBar control to be attached
  * \param nPostMsgID            ID of Message which will be posted instead of the ID of the
  *                                                                                      Edit control
  */
  void                                                                                    Attach(CWindow *pParent, int nEditCtrlID, int nTBarCtrlID, int nPostMsgID = 0);
  
  /**********
  * AttachTextCtrls - Attach static controls for min and max range and the thumb value
  * \param       nTxtLCtrlID                             ID of Static control to be attached as 'min range'
  * \param       nTxtRCtrlID                             ID of Static control to be attached as 'max range'
  * \param       nTxtThumbCtrlID         ID of Static control to be attached as 'thumb value)
  */
  void                                                                                    AttachTextCtrls(int nTxtLCtrlID, int nTxtRCtrlID, int nTxtThumbCtrlID = 0);
  
  /**********
  * Detach - Detaches al associated controls
  *
  * \return      the parents window handle
  */
  HWND                                                                                    Detach();
  
  /**********
  * GoCenterValue - Position thumb to center of current range
  */
  virtual bool                                                    GoCenterValue() = 0;
  
  /**********
  * SetPrecision - Set precision and width used by printf to format the values
  *                                                        Setting this values has currently no effect on integer values
  * \param       nPrecision      Precision used by printf for formatting double values
  * \param       nWidth                  Precision used by printf for formatting double values
  */
  virtual void                                                    SetPrecision(int nPrecision, int nWidth = 0) = 0;
  
  /**********
  * SetPostMsgID - Set an message ID which will be posted instead of the ID of the Edit control
  *
  * \param       nPostMsgID      Message ID to be used instead of nEditCtrlID (see Attach) when forwarding
  *                                                                              events (EN_CHANGE and EN_UPDATE). Set to 0, if nEditCtrlID should be used.
  */
  void                                                                                    SetPostMsgID(int nPostMsgID)    { m_nPostMsgID  = nPostMsgID;           };
  
  /**********
  * PostMsgEnable - disables or enables posting of WM_COMMAND::EN_CHANGE and WM_COMMAND::EN_UPDATE
  *                                                               to the parent
  *
  * \param       bPostMsgEnable
  */
  void                                                                                    PostMsgEnable(bool bPostMsgEnable) { m_bPostMsgEnabled = bPostMsgEnable; };
  
  void                      LiveUpdateEnable(bool bLiveUpdateEnable) { m_bLiveUpdateEnabled = bLiveUpdateEnable; };
  
  /**********
  * EnableWindow - see MSDN
  *                                                              all associated controls will be disabled
  */
  BOOL                                                                                    EnableWindow(BOOL bEnable = TRUE);
  BOOL                                                                                    EnableWindow(BOOL bEnable, BOOL bEnableTextCtrls);
  BOOL                                                                                    IsWindowEnabled();
  BOOL                                                                                    IsWindowEnabled(BOOL bEnableTextCtrls);
  BOOL                                                                                    IsWindow();
  BOOL                                                                                    ShowWindow(int nCmdShow = SW_SHOW);
  BOOL                                                                                    ShowWindow(int nCmdShow, BOOL bShowTextCtrls);
  
protected:
  virtual bool                                                    LimitValue() = 0;
  
  virtual void                                                    UpdateValue() = 0;
  virtual bool                                                    UpdateEditText() = 0;
  
  virtual void                                                    UndoInput() = 0;
  
  virtual LRESULT                                         HScroll(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) = 0;
  
  //
  inline void                                                             PostParent(UINT uMsg, WPARAM wParam, LPARAM lParam)
  {
    ATLASSERT(m_pWndParent != NULL);
    if ( m_bPostMsgEnabled )
      ::PostMessage(m_pWndParent->m_hWnd, uMsg, wParam, lParam);
  }
  
private:
  
  // General handlers
  LRESULT                                                                         OnKeyDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  LRESULT                   OnChar(UINT uMsg, WPARAM wParam,LPARAM lParam, BOOL& bHandled);
  // CEdit handler
  LRESULT                                                                         OnChange(WPARAM uNotifyCode, WPARAM wID, HWND hWndCtrl, BOOL& bHandled);
  LRESULT                                                                         OnUpdate(WPARAM uNotifyCode, WPARAM wID, HWND hWndCtrl, BOOL& bHandled);
  LRESULT                                                                         OnKillFocus(WPARAM uNotifyCode, WPARAM wID, HWND hWndCtrl, BOOL& bHandled);
  
  // CTrackBarCtrl handler
  LRESULT                                                                         OnHScroll(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
};

#define DDX_TBAREDIT(nID, ctrl, var)                                                                            \
  if(nCtlID == (UINT)-1 || nCtlID == nID)                                                 \
                {                                                                                                                                                                                                               \
                if ( !ctrl.DDXValue(nID, var, bSaveAndValidate) )       \
                return FALSE;                                                                                                                                           \
}

#endif // !defined(AFX_TBarEditCtrlBase_H__64039EFE_F624_11D4_B9D7_0050BACEA3A5__INCLUDED_)