I am using a C++ source code generator from Computer Associates, called
Allfusion Plex, and need to insert source code to set focus on the next
editable cell in a grid. For example, I have a maintenable grid with four
columns. The first column is read only and tab stop is set to No. The
second and third columns are editable and tab stop is set to Yes. The
fourth and last column is editable but the tab stop is to No. I am
currently using source code to trap the tab key pressed event. I need the
source code to set focus to the next editable column with tab stop yes,
which can be on the next row if the cursor is in the last editable column in
the current row. Also, I will need to be able to tab backwards. Here is an
example of the source code I am using but it does not work as previously
described.
{
// 1. Get Current Message for Trapped Control
MSG *pMessage = ObAppAPI::GetCu rrentMessage();
int iNtfcCode = HIWORD( pMessage->wParam );
if( iNtfcCode == HGN_SELCHANGING ){
// 2. Get Key Pressed State for Needed Keys
int iShftKey = 0;
if( GetKeyState(VK_ SHIFT) & 0x80 ){
iShftKey = 1;
}
int iPrsdKey = 0;
if( GetKeyState(VK_ TAB) & 0x80 ){
iPrsdKey = VK_TAB;
}else{ if( GetKeyState(VK_ RETURN) & 0x80 ){
iPrsdKey = VK_RETURN;
}else{ if( GetKeyState(VK_ F5) & 0x80 ){
iPrsdKey = VK_F5;
}else{ if( GetKeyState(VK_ F6) & 0x80 ){
iPrsdKey = VK_F6;
} }}}
// 3. Process User Input
if( iPrsdKey != 0 ){
HWND HwndGrid=ObPane lAPI::GetContro lHandleByName(& (1:));
if (HwndGrid){
LONG lCurCell = HGGetCurSel(Hwn dGrid);
int iCurCol = CELLCOL( lCurCell );
int iCurRow = CELLROW( lCurCell );
int iColCnt = SendMessage(Hwn dGrid, HGM_GETCOLCOUNT , 0, 0L);
int iRowCnt = SendMessage(Hwn dGrid, HGM_GETROWCOUNT , 0, 0L);
unsigned long lMarker = SendMessage(Hwn dGrid, HGM_GETMARKER, 0, 0L);
int iMarCol, iMarRow;
iMarCol = LOWORD(lMarker) ;
iMarRow = HIWORD(lMarker) ;
if( iPrsdKey == VK_TAB ){
if( iColCnt == (iCurCol+1) ){
if( iCurCol == iMarCol ){
iMarCol = 0;
if( ++iMarRow >= iRowCnt ){ iMarRow = 0; }
HGSetCurSel(Hwn dGrid, iMarCol, iMarRow);
}}
}else{ if( iPrsdKey == VK_RETURN ){
iMarCol = 0;
HGSetCurSel(Hwn dGrid, iMarCol, iMarRow);
} }
}
}
}
} 0 1164 This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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