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SourceCode/Code2026/MFCCtrl/GridBtnCellCombo.cpp

@@ -0,0 +1,170 @@
+/*****************************************************************************
+    COPYRIGHT (C) 2000-2001, Ken Bertelson <kbertelson@yahoo.com>
+
+
+*****************************************************************************/
+#include "stdafx.h"
+#include "GridBtnCellCombo.h"
+
+#include "MfcGridCtrlInPlaceEdit.h"
+#include "InPlaceList.h"
+
+#ifdef _DEBUG
+#undef THIS_FILE
+static char THIS_FILE[]=__FILE__;
+#define new DEBUG_NEW
+#endif
+
+IMPLEMENT_DYNCREATE(CGridBtnCellCombo, CGridBtnCell)
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+CGridBtnCellCombo::CGridBtnCellCombo()
+    : CGridBtnCell()
+{
+
+}
+
+CGridBtnCellCombo::~CGridBtnCellCombo()
+{
+
+}
+
+void CGridBtnCellCombo::Reset()
+{
+    CGridBtnCell::Reset();
+
+    m_dwComboStyle = CBS_SIMPLE;
+    m_StringArrayCombo.RemoveAll();
+}
+
+void CGridBtnCellCombo::OnClick( CPoint PointCellRelative)
+{
+    // immediately edit if user clicked on scroll down button picture
+
+    int iCtlHit = RelPointInCtl( PointCellRelative);  // Relative point coords
+    // returns:  Index of control that this point is within bounds of or -1 if no control matches
+
+    BOOL bHitScrollDown = FALSE;
+    if( iCtlHit >= 0)
+    {
+        // if user clicked on scroll down button picture, then show
+        //  the drop-down, too
+
+        UINT uiType = GetDrawCtlType( iCtlHit);
+        UINT uiState = GetDrawCtlState( iCtlHit);
+
+        bHitScrollDown =    ( uiType == DFC_SCROLL)
+                            && uiState & DFCS_SCROLLDOWN;
+    }
+    if( bHitScrollDown)
+    {
+        // invoke the edit, now -- similar to CGridCtl::OnEditCell() logic
+        CMfcGridCtrl* pGrid = GetGrid();
+        ASSERT( pGrid != NULL);
+
+        CRect rect;
+        if (!pGrid->GetCellRect( m_iRow, m_iCol, rect))
+            return;
+
+        SendMessageToParent(m_iRow, m_iCol, GVN_BEGINLABELEDIT);
+
+        Edit( m_iRow, m_iCol, rect, PointCellRelative, IDC_INPLACE_CONTROL, VK_LBUTTON);
+        return;
+    }
+
+    CGridBtnCell::OnClick( PointCellRelative);
+}
+
+/*****************************************************************************
+May mean end of a button click sequence or to edit text
+
+*****************************************************************************/
+BOOL CGridBtnCellCombo::Edit(int nRow, int nCol, CRect rect, CPoint point, UINT nID, UINT nChar)
+{
+    int iCtlHit = RelPointInCtl( point);  // Relative point coords
+    // returns:  Index of control that this point is within bounds of or -1 if no control matches
+
+    BOOL bShowDropDownNow = FALSE;
+    if( iCtlHit >= 0)
+    {
+        // if user clicked on scroll down button picture, then show
+        //  the drop-down, too
+
+        UINT uiType = GetDrawCtlType( iCtlHit);
+        UINT uiState = GetDrawCtlState( iCtlHit);
+
+        bShowDropDownNow =  ( uiType == DFC_SCROLL)
+                            && uiState & DFCS_SCROLLDOWN;
+    }
+    BOOL bHitNonComboButton =   ( iCtlHit >= 0)
+                                && !bShowDropDownNow;
+
+    if( HasCellText()
+        && !bHitNonComboButton )
+    {
+        m_ucEditing = TRUE;
+
+        // InPlaceList auto-deletes itself
+        CMfcGridCtrl* pGrid = GetGrid();
+        CInPlaceList* pInPlaceList = new CInPlaceList(  pGrid, rect, m_dwComboStyle, nID, nRow, nCol,
+                                                        m_StringArrayCombo, GetText(), nChar);
+        if(bShowDropDownNow)
+        {
+            if( m_dwComboStyle & CBS_DROPDOWN
+                || m_dwComboStyle & CBS_DROPDOWNLIST)
+            {
+                pInPlaceList->ShowDropDown( TRUE);
+            }
+        }
+
+        m_pBtnDataBase->SetEditWnd( pInPlaceList);
+        return TRUE;
+    }
+    // call base class, otherwise
+    return CGridBtnCell::Edit( nRow, nCol, rect, point, nID, nChar);
+}
+
+void CGridBtnCellCombo::EndEdit()
+{
+    ASSERT( m_pBtnDataBase != NULL);
+
+    CWnd* pWnd = m_pBtnDataBase->GetEditWnd();
+
+    if (pWnd)
+        ((CInPlaceList*)pWnd)->EndEdit();
+
+}
+
+void CGridBtnCellCombo::OnEndEdit()
+{
+    ASSERT( m_pBtnDataBase != NULL);
+
+    m_ucEditing = FALSE;
+    m_pBtnDataBase->SetEditWnd( NULL);
+
+    // make sure that all pushbuttons appear in "up" state
+    const int iCtlNbr = GetDrawCtlNbr();
+    for( int i1=0; i1 < iCtlNbr; i1++)
+    {
+        UINT uiType = GetDrawCtlType( i1);
+        UINT uiState = GetDrawCtlState( i1);
+
+        BOOL bIsScrollDown =    ( uiType == DFC_SCROLL)
+                                && uiState & DFCS_SCROLLDOWN;
+        BOOL bIsPushButton =    ( uiType == DFC_BUTTON)
+                                && uiState & DFCS_BUTTONPUSH;
+
+        if( bIsScrollDown
+            || bIsPushButton)
+        {
+            ClickedCellCtl( WM_LBUTTONUP,   // Command that invoked.  e.g. WM_LBUTTONDOWN
+                            i1);    // zero-based index of image to draw
+        }
+    }
+
+
+}
+