163 lines
4.6 KiB
C++
163 lines
4.6 KiB
C++
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//Copyright (c) 1998 - 1999 Microsoft Corporation
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/*******************************************************************************
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*
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* basedrpe.cpp
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*
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* implementation of CBaseDropEditBox and CBaseDropEditControl classes
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* The CBaseDropEditBox class does things the way we like, overriding the base
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* CComboBox (with edit field) class.
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*
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* copyright notice: Copyright 1995, Citrix Systems Inc.
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*
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* $Author: butchd $ Butch Davis
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*
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* $Log: N:\NT\PRIVATE\UTILS\CITRIX\WINUTILS\COMMON\VCS\BASEDRPE.CPP $
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*
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* Rev 1.1 29 Dec 1995 17:19:16 butchd
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* update
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*
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*******************************************************************************/
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/*
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* include files
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*/
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#include <stdafx.h>
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#include <afxwin.h> // MFC core and standard components
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#include <afxext.h> // MFC extensions
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#include "basedrpe.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char BASED_CODE THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CBaseDropEdit operations
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BOOL
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CBaseDropEditControl::Subclass(CComboBox *pWnd)
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{
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POINT pt;
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/*
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* Subclass this object to the child window of the specified combo box
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* control (the combo box's edit control) and save away the combo box
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* object pointer.
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*/
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pt.x = 5;
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pt.y = 5;
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m_pComboBoxControl = pWnd;
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return( SubclassWindow((pWnd->ChildWindowFromPoint(pt))->GetSafeHwnd()) );
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} // end CBaseDropEditControl::Subclass
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////////////////////////////////////////////////////////////////////////////////
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// CBaseDropEditControl message map
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BEGIN_MESSAGE_MAP(CBaseDropEditControl, CEdit)
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//{{AFX_MSG_MAP(CBaseDropEditControl)
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ON_WM_GETDLGCODE()
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ON_WM_CHAR()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CBaseDropEdit commands
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UINT
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CBaseDropEditControl::OnGetDlgCode()
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{
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return( CEdit::OnGetDlgCode() |
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(m_pComboBoxControl->GetDroppedState() ? DLGC_WANTALLKEYS : 0) );
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} // end CBaseDropEditControl::OnGetDlgCode
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void
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CBaseDropEditControl::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
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{
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if ( ((nChar == VK_ESCAPE) || (nChar == VK_RETURN) || (nChar == VK_TAB)) &&
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m_pComboBoxControl->GetDroppedState() ) {
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m_pComboBoxControl->ShowDropDown(FALSE);
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if ( nChar == VK_TAB ) {
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/*
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* CODEWORK: need to figgure out how to set focus to the next
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* or previous control when TAB (or shift-TAB) is pressed while
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* we've gobbled up all keys. Here are 3 atempts that don't quite
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* do what is needed [remember: the final solution must work for
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* both tabbed-dialog as well as regular dialog, in all Windows
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* host models (Win31, WinNT, Win95)!]
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*/
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/* Try #1
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* Post a TAB WM_KEYDOWN message to the parent (grandparent if parent
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* is a property page).
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*/
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// CWnd *pParent = GetParent();
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// if ( pParent->IsKindOf(RUNTIME_CLASS(CPropertyPage)) )
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// pParent = pParent->GetParent();
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//
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// pParent->PostMessage( WM_KEYDOWN, (WPARAM)VK_TAB, (LPARAM)0 );
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/* Try #2
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* Issue a Next or Prev dialog control message to the control's parent,
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* based on the state of the shift key.
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*/
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// CDialog *pParent = (CDialog *)GetParent();
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// if ( (GetKeyState(VK_SHIFT) < 0) ) {
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// pParent->PrevDlgCtrl();
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// } else {
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// pParent->NextDlgCtrl();
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// }
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/* Try #3
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* Just pass the VK_TAB along to our control.
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*/
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// CEdit::OnChar(nChar, nRepCnt, nFlags);
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}
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} else {
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CEdit::OnChar(nChar, nRepCnt, nFlags);
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}
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} // end CBaseDropEditControl::OnChar
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/////////////////////////////////////////////////////////////////////////////
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// CBaseDropEditBox operations
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void
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CBaseDropEditBox::Subclass(CComboBox *pWnd)
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{
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/*
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* Subclass this object to the specified combo box and let our edit
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* object subclass the combo box's edit control.
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*/
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SubclassWindow(pWnd->GetSafeHwnd());
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m_EditControl.Subclass(pWnd);
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} // end CBaseDropEditBox::Subclass
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////////////////////////////////////////////////////////////////////////////////
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// CBaseDropEditBox message map
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BEGIN_MESSAGE_MAP(CBaseDropEditBox, CComboBox)
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//{{AFX_MSG_MAP(CBaseDropEditBox)
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CBaseDropEditBox commands
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////////////////////////////////////////////////////////////////////////////////
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