// InPlaceList.cpp : implementation file
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//
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// Written by Chris Maunder <cmaunder@mail.com>
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// Copyright (c) 1998-2000. All Rights Reserved.
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//
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// The code contained in this file is based on the original
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// CInPlaceList from http://www.codeguru.com/listview
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//
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// This code may be used in compiled form in any way you desire. This
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// file may be redistributed unmodified by any means PROVIDING it is
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// not sold for profit without the authors written consent, and
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// providing that this notice and the authors name is included. If
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// the source code in this file is used in any commercial application
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// then acknowledgement must be made to the author of this file
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// (in whatever form you wish).
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//
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// This file is provided "as is" with no expressed or implied warranty.
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// The author accepts no liability for any damage/loss of business that
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// this product may cause.
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//
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// Expect bugs!
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//
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// Please use and enjoy. Please let me know of any bugs/mods/improvements
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// that you have found/implemented and I will fix/incorporate them into this
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// file.
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//
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// 6 Aug 1998 - Added CComboEdit to subclass the edit control - code provided by
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// Roelf Werkman <rdw@inn.nl>. Added nID to the constructor param list.
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// 29 Nov 1998 - bug fix in onkeydown (Markus Irtenkauf)
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "InPlaceList.h"
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#include "GridCtrl.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CComboEdit
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CComboEdit::CComboEdit()
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{
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}
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CComboEdit::~CComboEdit()
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{
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}
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// Stoopid win95 accelerator key problem workaround - Matt Weagle.
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BOOL CComboEdit::PreTranslateMessage(MSG* pMsg)
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{
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// Make sure that the keystrokes continue to the appropriate handlers
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if (pMsg->message == WM_KEYDOWN || pMsg->message == WM_KEYUP)
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{
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::TranslateMessage(pMsg);
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::DispatchMessage(pMsg);
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return TRUE;
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}
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// Catch the Alt key so we don't choke if focus is going to an owner drawn button
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if (pMsg->message == WM_SYSCHAR)
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return TRUE;
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return CEdit::PreTranslateMessage(pMsg);
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}
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BEGIN_MESSAGE_MAP(CComboEdit, CEdit)
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//{{AFX_MSG_MAP(CComboEdit)
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ON_WM_KILLFOCUS()
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ON_WM_KEYDOWN()
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ON_WM_KEYUP()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CComboEdit message handlers
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void CComboEdit::OnKillFocus(CWnd* pNewWnd)
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{
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CEdit::OnKillFocus(pNewWnd);
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CInPlaceList* pOwner = (CInPlaceList*) GetOwner(); // This MUST be a CInPlaceList
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if (pOwner)
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pOwner->EndEdit();
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}
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void CComboEdit::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
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{
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if ((nChar == VK_PRIOR || nChar == VK_NEXT ||
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nChar == VK_DOWN || nChar == VK_UP ||
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nChar == VK_RIGHT || nChar == VK_LEFT) &&
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(GetKeyState(VK_CONTROL) < 0 && GetDlgCtrlID() == IDC_COMBOEDIT))
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{
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CWnd* pOwner = GetOwner();
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if (pOwner)
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pOwner->SendMessage(WM_KEYDOWN, nChar, nRepCnt+ (((DWORD)nFlags)<<16));
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return;
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}
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CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
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}
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void CComboEdit::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags)
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{
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if (nChar == VK_ESCAPE)
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{
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CWnd* pOwner = GetOwner();
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if (pOwner)
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pOwner->SendMessage(WM_KEYUP, nChar, nRepCnt + (((DWORD)nFlags)<<16));
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return;
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}
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if (nChar == VK_TAB || nChar == VK_RETURN || nChar == VK_ESCAPE)
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{
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CWnd* pOwner = GetOwner();
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if (pOwner)
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pOwner->SendMessage(WM_KEYUP, nChar, nRepCnt + (((DWORD)nFlags)<<16));
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return;
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}
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CEdit::OnKeyUp(nChar, nRepCnt, nFlags);
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}
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/////////////////////////////////////////////////////////////////////////////
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// CInPlaceList
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CInPlaceList::CInPlaceList(CWnd* pParent, CRect& rect, DWORD dwStyle, UINT nID,
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int nRow, int nColumn,
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CStringArray& Items, CString sInitText,
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UINT nFirstChar)
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{
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m_nNumLines = 4;
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m_sInitText = sInitText;
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m_nRow = nRow;
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m_nCol = nColumn;
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m_nLastChar = 0;
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m_bExitOnArrows = FALSE; //(nFirstChar != VK_LBUTTON); // If mouse click brought us here,
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// Create the combobox
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DWORD dwComboStyle = WS_BORDER|WS_CHILD|WS_VISIBLE|WS_VSCROLL|
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CBS_AUTOHSCROLL | dwStyle;
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int nHeight = rect.Height();
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rect.bottom = rect.bottom + m_nNumLines*nHeight + ::GetSystemMetrics(SM_CYHSCROLL);
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if (!Create(dwComboStyle, rect, pParent, nID)) return;
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// Add the strings
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for (int i = 0; i < Items.GetSize(); i++)
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AddString(Items[i]);
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// Get the maximum width of the text strings
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int nMaxLength = 0;
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CClientDC dc(GetParent());
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CFont* pOldFont = dc.SelectObject(pParent->GetFont());
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for (i = 0; i < Items.GetSize(); i++)
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nMaxLength = max(nMaxLength, dc.GetTextExtent(Items[i]).cx);
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nMaxLength += (::GetSystemMetrics(SM_CXVSCROLL) + dc.GetTextExtent(_T(" ")).cx*2);
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dc.SelectObject(pOldFont);
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if (nMaxLength > rect.Width())
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rect.right = rect.left + nMaxLength;
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// Resize the edit window and the drop down window
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MoveWindow(rect);
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SetFont(pParent->GetFont());
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SetItemHeight(-1, nHeight);
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SetDroppedWidth(nMaxLength);
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SetHorizontalExtent(0); // no horz scrolling
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// Set the initial text to m_sInitText
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if (SelectString(-1, m_sInitText) == CB_ERR)
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SetWindowText(m_sInitText); // No text selected, so restore what was there before
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// Subclass the combobox edit control if style includes CBS_DROPDOWN
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if ((dwStyle & CBS_DROPDOWNLIST) != CBS_DROPDOWNLIST)
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{
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m_edit.SubclassDlgItem(IDC_COMBOEDIT, this);
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SetFocus();
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switch (nFirstChar)
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{
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case VK_LBUTTON:
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case VK_RETURN: m_edit.SetSel((int)_tcslen(m_sInitText), -1); return;
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case VK_BACK: m_edit.SetSel((int)_tcslen(m_sInitText), -1); break;
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case VK_DOWN:
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case VK_UP:
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case VK_RIGHT:
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case VK_LEFT:
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case VK_NEXT:
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case VK_PRIOR:
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case VK_HOME:
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case VK_END: m_edit.SetSel(0,-1); return;
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default: m_edit.SetSel(0,-1);
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}
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SendMessage(WM_CHAR, nFirstChar);
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}
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else
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SetFocus();
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}
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CInPlaceList::~CInPlaceList()
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{
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}
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void CInPlaceList::EndEdit()
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{
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CString str;
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GetWindowText(str);
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// Send Notification to parent
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GV_DISPINFO dispinfo;
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dispinfo.hdr.hwndFrom = GetSafeHwnd();
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dispinfo.hdr.idFrom = GetDlgCtrlID();
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dispinfo.hdr.code = GVN_ENDLABELEDIT;
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dispinfo.item.mask = LVIF_TEXT|LVIF_PARAM;
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dispinfo.item.row = m_nRow;
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dispinfo.item.col = m_nCol;
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dispinfo.item.strText = str;
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dispinfo.item.lParam = (LPARAM) m_nLastChar;
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CWnd* pOwner = GetOwner();
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if (IsWindow(pOwner->GetSafeHwnd()))
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pOwner->SendMessage(WM_NOTIFY, GetDlgCtrlID(), (LPARAM)&dispinfo );
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// Close this window (PostNcDestroy will delete this)
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PostMessage(WM_CLOSE, 0, 0);
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}
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void CInPlaceList::PostNcDestroy()
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{
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CComboBox::PostNcDestroy();
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delete this;
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}
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BEGIN_MESSAGE_MAP(CInPlaceList, CComboBox)
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//{{AFX_MSG_MAP(CInPlaceList)
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ON_WM_KILLFOCUS()
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ON_WM_KEYDOWN()
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ON_WM_KEYUP()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CInPlaceList message handlers
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void CInPlaceList::OnKillFocus(CWnd* pNewWnd)
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{
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CComboBox::OnKillFocus(pNewWnd);
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if (GetSafeHwnd() == pNewWnd->GetSafeHwnd())
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return;
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// Only end editing on change of focus if we're using the CBS_DROPDOWNLIST style
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if ((GetStyle() & CBS_DROPDOWNLIST) == CBS_DROPDOWNLIST)
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EndEdit();
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}
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// If an arrow key (or associated) is pressed, then exit if
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// a) The Ctrl key was down, or
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// b) m_bExitOnArrows == TRUE
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void CInPlaceList::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
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{
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if ((nChar == VK_PRIOR || nChar == VK_NEXT ||
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nChar == VK_DOWN || nChar == VK_UP ||
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nChar == VK_RIGHT || nChar == VK_LEFT) &&
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(m_bExitOnArrows || GetKeyState(VK_CONTROL) < 0))
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{
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m_nLastChar = nChar;
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GetParent()->SetFocus();
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return;
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}
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CComboBox::OnKeyDown(nChar, nRepCnt, nFlags);
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}
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// Need to keep a lookout for Tabs, Esc and Returns.
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void CInPlaceList::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags)
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{
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if (nChar == VK_ESCAPE)
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SetWindowText(m_sInitText); // restore previous text
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if (nChar == VK_TAB || nChar == VK_RETURN || nChar == VK_ESCAPE)
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{
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m_nLastChar = nChar;
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GetParent()->SetFocus(); // This will destroy this window
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return;
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}
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CComboBox::OnKeyUp(nChar, nRepCnt, nFlags);
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}
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