//*-
//
// MODULE NAME: InPlaceCtrls.cpp
//
// DESCRIPTION: Contains class definitions for in-place controls
//
// AUTHOR : Copyright (C) Stefano Passiglia, December 1999
// passig@geocities.com
// You can reuse and redistribute this code, provided this header is
// kept as is.
//+*/
//
// Include Files
//
#include "stdafx.h"
#include <afxpriv.h> // WM_IDLEUPDATECMDUI definition
#include "InPlaceCtrls.h"
//
// Global variables.
//
// Registered messages
static unsigned int const g_IPCMsg = RegisterWindowMessage( IPCMSGSTRING );
//
// Local constant definitions.
//
#ifdef _DEBUG
# define new DEBUG_NEW
# undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//
// Local type definitions.
//
// None.
//
// Local defines
//
//
// Local function declarations.
//
// None.
//
// Local class declarations.
//
// None.
//////////////////////////////////////////////////////////////////////////////
// //
// CInPlaceEdit class //
// //
//////////////////////////////////////////////////////////////////////////////
BEGIN_MESSAGE_MAP( CInPlaceEdit, CEdit )
//{{AFX_MSG_MAP(CInPlaceEdit)
ON_WM_CREATE()
ON_WM_KILLFOCUS()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
IMPLEMENT_DYNCREATE( CInPlaceEdit, CEdit )
///////////////////////////////////////////////
// Constructor/Destructor //
///////////////////////////////////////////////
///*-
// FUNCTION NAME: CInPlaceEdit::CInPlaceEdit()
//
// DESCRIPTION: CInPlaceEdit class constructor
//
// PARAMETER(S): None.
//
// RETURN: None
//
// NOTES: None
//+*/
CInPlaceEdit::CInPlaceEdit()
{
m_hParent = NULL;
} // CInPlaceEdit::CInPlaceEdit
///*-
// FUNCTION NAME: CInPlaceEdit::~CInPlaceEdit()
//
// DESCRIPTION: CInPlaceEdit class destructor
//
// PARAMETER(S): None.
//
// RETURN: None
//
// NOTES: None
//+*/
CInPlaceEdit::~CInPlaceEdit()
{
} // CInPlaceEdit::~CInPlaceEdit
///*-
// FUNCTION NAME: CInPlaceEdit::PreCreateWindow
//
// DESCRIPTION: Called before the window handle is created
//
// PARAMETER(S):
// cs:
// TYPE: CREATESTRUCT structure
// MODE: In
// MECHANISM: By reference
// DESCRIPTION: Allows to change window features
//
// RETURN: Inherited value.
//
// NOTES: None
//+*/
BOOL CInPlaceEdit::PreCreateWindow( CREATESTRUCT & cs )
{
// Add also the ES_MULTILINE style so that
// we can intercept the <Return> keys
cs.style |= ( WS_CHILD | ES_MULTILINE | ES_WANTRETURN | ES_AUTOHSCROLL | ES_NOHIDESEL );
return CEdit::PreCreateWindow( cs );
} // CInPlaceEdit::PreCreateWindow
///*-
// FUNCTION NAME: CInPlaceEdit::OnCreate
//
// DESCRIPTION: Called whren the window handle is created
//
// PARAMETER(S):
// lpCreateStruct:
// TYPE: CREATESTRUCT structure
// MODE: In
// MECHANISM: By reference
// DESCRIPTION: Allows to change window features
//
// RETURN: -1 to avoid windiw creation. 0 to continue normally.
//
// NOTES: None
//+*/
int CInPlaceEdit::OnCreate( LPCREATESTRUCT lpCreateStruct )
{
if ( CEdit::OnCreate(lpCreateStruct) == -1 )
{
return -1;
}
m_hParent = lpCreateStruct->hwndParent;
return 0;
} // CInPlaceEdit::OnCreate
///////////////////////////////////////////////
// Message Handling //
///////////////////////////////////////////////
// FUNCTION NAME: CInPlaceEdit::PreTranslateMessage
//
// DESCRIPTION: Called before the keyboard message is dispatched through the
// MFC hierarchy
//
// PARAMETER(S):
// pMsg:
// TYPE: MSG structure
// MODE: In
// MECHANISM: By variable
// DESCRIPTION: Message to be processed
//
// RETURN: TRUE to block message routing. FALSE otherwise.
//
// NOTES: None.
//+*/
BOOL CInPlaceEdit::PreTranslateMessage( MSG *pMsg )
{
IPCENDEDITINFO ipeEditInfo;
switch ( pMsg->message )
{
case WM_KEYDOWN:
if ( (int)pMsg->wParam == VK_ESCAPE ||
(int)pMsg->wParam == VK_RETURN )
{
ZeroMemory( &ipeEditInfo, sizeof( ipeEditInfo ) );
ipeEditInfo.hwndSrc = m_hWnd;
ipeEditInfo.uKind = IPEK_KEY;
ipeEditInfo.nVirtKey = (int)pMsg->wParam;
ipeEditInfo.pt = pMsg->pt;
if ( ::SendMessage( m_hParent, g_IPCMsg, 0, (LPARAM)&ipeEditInfo ) )
{
Hide();
}
return TRUE;
}
break;
}
return CEdit::PreTranslateMessage(pMsg);
} // CInPlaceEdit::PreTranslateMessage
// FUNCTION NAME: CInPlaceEdit::OnKillFocus
//
// DESCRIPTION: Called immedately before the window loses the keyboard focus
//
// PARAMETER(S):
// pNewWnd:
// TYPE: CWnd class
// MODE: In
// MECHANISM: By variable
// DESCRIPTION: The new window that will gain the input focus.
//
// RETURN: None.
//
// NOTES: None.
//+*/
void CInPlaceEdit::OnKillFocus( CWnd *pNewWnd )
{
// If the window is still visible, signal the parent
if ( IsWindowVisible() )
{
IPCENDEDITINFO ipeEditInfo;
const MSG *pMsg = GetCurrentMessage();
TRACE( "IPE: WM_KILLFOCUS\n" );
ZeroMemory( &ipeEditInfo, sizeof( ipeEditInfo ) );
ipeEditInfo.uKind = IPEK_FOCUS;
ipeEditInfo.hwndSrc = m_hWnd;
ipeEditInfo.hNewWnd = pNewWnd ? pNewWnd->m_hWnd : NULL;
ipeEditInfo.pt = pMsg->pt;
if ( ::SendMessage( m_hParent, g_IPCMsg, 0, (LPARAM)&ipeEditInfo ) )
{
Hide();
}
}
CEdit::OnKillFocus( pNewWnd );
} // CInPlaceEdit::OnKillFocus
// FUNCTION NAME: CInPlaceEdit::Hide
//
// DESCRIPTION: Called to hide the control
//
// PARAMETER(S): None.
//
// RETURN: None.
//
// NOTES: None.
//+*/
void CInPlaceEdit::Hide()
{
if ( IsWindowVisible() )
{
::SetWindowPos( m_hWnd, 0, 0, 0, 0, 0,
SWP_HIDEWINDOW | SWP_NOZORDER | SWP_NOREDRAW | SWP_NOSIZE | SWP_NOMOVE );
::SetFocus( m_hParent );
}
} // CInPlaceEdit::Hide
// FUNCTION NAME: CInPlaceEdit::Show
//
// DESCRIPTION: Called to show the control
//
// PARAMETER(S):
// rcEdit:
// TYPE: CRect class
// MODE: In
// MECHANISM: By value
// DESCRIPTION: Edit rectangle, in parent's client coordinates
//
// RETURN: None.
//
// NOTES: None.
//+*/
void CInPlaceEdit::Show( CRect rcEdit )
{
if ( !IsWindowVisible() && !rcEdit.IsRectEmpty() )
{
// Show the edit box
::SetWindowPos( m_hWnd,
HWND_TOP,
rcEdit.left, rcEdit.top, rcEdit.Width(), rcEdit.Height(),
SWP_SHOWWINDOW | SWP_NOREDRAW );
// Set a bit of margin on the left
SendMessage( EM_SETMARGINS, EC_LEFTMARGIN, 2 );
// Select all the text
SetSel( 0, -1 );
// Invalidate
Invalidate();
// Give keyboard focus
::SetFocus( m_hWnd );
}
} // CInPlaceEdit::Show()
//////////////////////////////////////////////////////////////////////////////
// //
// CInPlaceButton class //
// //
//////////////////////////////////////////////////////////////////////////////
BEGIN_MESSAGE_MAP( CInPlaceButton, CButton )
//{{AFX_MSG_MAP(CInPlaceButton)
ON_WM_CREATE()
ON_WM_KILLFOCUS()
ON_CONTROL_REFLECT(BN_CLICKED, OnClick)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
IMPLEMENT_DYNCREATE( CInPlaceButton, CButton )
///////////////////////////////////////////////
// Constructor/Destructor //
///////////////////////////////////////////////
///*-
// FUNCTION NAME: CInPlaceButton::CInPlaceButton()
//
// DESCRIPTION: CInPlaceButton class constructor
//
// PARAMETER(S): None.
//
// RETURN: None
//
// NOTES: None
//+*/
CInPlaceButton::CInPlaceButton()
{
m_hParent = NULL;
m_bInAction = FALSE;
} // CInPlaceButton::CInPlaceButton
///*-
// FUNCTION NAME: CInPlaceButton::~CInPlaceButton()
//
// DESCRIPTION: CInPlaceButton class destructor
//
// PARAMETER(S): None.
//
// RETURN: None
//
// NOTES: None
//+*/
CInPlaceButton::~CInPlaceButton()
{
} // CInPlaceButton::~CInPlaceButton
///*-
// FUNCTION NAME: CInPlaceButton::PreCreateWindow
//
// DESCRIPTION: Called before the window handle is created
//
// PARAMETER(S):
// cs:
// TYPE: CREATESTRUCT structure
// MODE: In
// MECHANISM: By reference
// DESCRIPTION: Allows to change window features
//
// RETURN: Inherited value.
//
// NOTES: None
//+*/
BOOL CInPlaceButton::PreCreateWindow( CREATESTRUCT & cs )
{
cs.style |= ( WS_CHILD | BS_PUSHBUTTON );
return CButton::PreCreateWindow( cs );
} // CInPlaceButton::PreCreateWindow
///*-
// FUNCTION NAME: CInPlaceButton::OnCreate
//
// DESCRIPTION: Called whren the window handle is created
//
// PARAMETER(S):
// lpCreateStruct:
// TYPE: CREATESTRUCT structure
// MODE: In
// MECHANISM: By reference
// DESCRIPTION: Allows to change window features
//
// RETURN: -1 to avoid windiw creation. 0 to continue normally.
//
// NOTES: None
//+*/
int CInPlaceButton::OnCreate( LPCREATESTRUCT lpCreateStruct )
{
if ( CButton::OnCreate(lpCreateStruct) == -1 )
{
return -1;
}
m_hParent = lpCreateStruct->hwndParent;
return 0;
} // CInPlaceButton::OnCreate
///////////////////////////////////////////////
// Message Handling //
///////////////////////////////////////////////
// FUNCTION NAME: CInPlaceEdit::PreTranslateMessage
//
// DESCRIPTION: Called before the keyboard message is dispatched through the
// MFC hierarchy
//
// PARAMETER(S):
// pMsg:
// TYPE: MSG structure
// MODE: In
// MECHANISM: By variable
// DESCRIPTION: Message to be processed
//
// RETURN: TRUE to block message routing. FALSE otherwise.
//
// NOTES: None.
//+*/
BOOL CInPlaceButton::PreTranslateMessage( MSG *pMsg )
{
IPCENDEDITINFO ipcInfo;
switch ( pMsg->message )
{
case WM_KEYDOWN:
if ( (int)pMsg->wParam == VK_ESCAPE )
{
ZeroMemory( &ipcInfo, sizeof( ipcInfo ) );
ipcInfo.hwndSrc = m_hWnd;
ipcInfo.uKind = IPEK_KEY;
ipcInfo.nVirtKey = (int)pMsg->wParam;
ipcInfo.pt = pMsg->pt;
::SendMessage( m_hParent, g_IPCMsg, 0, (LPARAM)&ipcInfo );
return TRUE;
}
break;
}
return CButton::PreTranslateMessage(pMsg);
} // CInPlaceButton::PreTranslateMessage
// FUNCTION NAME: CInPlaceButton::OnKillFocus
//
// DESCRIPTION: Called immedately before the window loses the keyboard focus
//
// PARAMETER(S):
// pNewWnd:
// TYPE: CWnd class
// MODE: In
// MECHANISM: By variable
// DESCRIPTION: The new window that will gain the input focus.
//
// RETURN: None.
//
// NOTES: None.
//+*/
void CInPlaceButton::OnKillFocus( CWnd *pNewWnd )
{
// If the window is still visible, signal the parent
if ( IsWindowVisible() && !m_bInAction )
{
IPCENDEDITINFO ipcEventInfo;
const MSG *pMsg = GetCurrentMessage();
TRACE( "IPB: WM_KILLFOCUS\n" );
ZeroMemory( &ipcEventInfo, sizeof( ipcEventInfo ) );
ipcEventInfo.uKind = IPEK_FOCUS;
ipcEventInfo.hNewWnd = pNewWnd->m_hWnd;
ipcEventInfo.pt = pMsg->pt;
if ( ::SendMessage( m_hParent, g_IPCMsg, 0, (LPARAM)&ipcEventInfo ) )
{
Hide();
}
}
CButton::OnKillFocus( pNewWnd );
} // CInPlaceButton::OnKillFocus
///*-
// FUNCTION NAME: CInPlaceButton::OnClick
//
// DESCRIPTION: Called when a click occurs.
//
// PARAMETER(S): None.
//
// RETURN: None
//
// NOTES: None
//+*/
void CInPlaceButton::OnClick()
{
IPCENDEDITINFO ipcEventInfo;
TRACE( "IPB: BN_CLICK\n" );
ZeroMemory( &ipcEventInfo, sizeof( ipcEventInfo ) );
ipcEventInfo.uKind = IPEK_ACTION;
ipcEventInfo.uID = GetWindowLong( m_hWnd, GWL_ID );
ipcEventInfo.pt.x = LOWORD( GetMessagePos() );
ipcEventInfo.pt.y = HIWORD( GetMessagePos() );
m_bInAction = TRUE;
::SendMessage( m_hParent, g_IPCMsg, 0, (LPARAM)&ipcEventInfo );
m_bInAction = FALSE;
} // CInPlaceButton::OnClick
// FUNCTION NAME: CInPlaceButton::Hide
//
// DESCRIPTION: Called to hide the control
//
// PARAMETER(S): None.
//
// RETURN: None.
//
// NOTES: None.
//+*/
void CInPlaceButton::Hide()
{
if ( IsWindowVisible() )
{
TRACE( "Hide() called\n" );
::SetWindowPos( m_hWnd, 0, 0, 0, 0, 0,
SWP_HIDEWINDOW | SWP_NOZORDER | SWP_NOREDRAW | SWP_NOSIZE | SWP_NOMOVE );
::SetFocus( m_hParent );
}
} // CInPlaceButton::Hide
// FUNCTION NAME: CInPlaceButton::Show
//
// DESCRIPTION: Called to show the control
//
// PARAMETER(S):
// rcEdit:
// TYPE: CRect class
// MODE: In
// MECHANISM: By value
// DESCRIPTION: Button rectangle, in parent's client coordinates
//
// RETURN: None.
//
// NOTES: None.
//+*/
void CInPlaceButton::Show( CRect rcButton )
{
if ( !IsWindowVisible() && !rcButton.IsRectEmpty() )
{
::SetWindowPos( m_hWnd,
HWND_TOP,
rcButton.left, rcButton.top, rcButton.Width(), rcButton.Height(),
SWP_SHOWWINDOW | SWP_NOREDRAW );
Invalidate();
}
} // CInPlaceButton::Show()
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