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Arrow keys to act like Tab key and SHIFT Tab
Posted on 2004-08-20
In my pretranslatemessage function how can I get the Right and Left arrow keys to act like the Tab key and SHIFT Tab key?
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if(pMsg->message == WM_KEYDOWN)
{
if(pMsg->wParam == VK_RIGHT)
{
NextDlgCtrl();
return true; //prevent default behaviour
}
else if(pMsg->wParam == VK_LEFT)
{
PrevDlgCtrl();
return true; //prevent default behaviour
}
{
if(pMsg->wParam == VK_RIGHT)
{
NextDlgCtrl();
return true; //prevent default behaviour
}
else if(pMsg->wParam == VK_LEFT)
{
PrevDlgCtrl();
return true; //prevent default behaviour
}
What is contained in the NextDlgCtrl() and PrevDlgCtrl() functions? these functions are not declared in my project.
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from help
CDialog::NextDlgCtrl
void NextDlgCtrl( ) const;
Remarks
Moves the focus to the next control in the dialog box. If the focus is at the last control in the dialog box, it moves to the first control.
CDialog::NextDlgCtrl
void NextDlgCtrl( ) const;
Remarks
Moves the focus to the next control in the dialog box. If the focus is at the last control in the dialog box, it moves to the first control.
Active today
If it isn't CDialog based then
CWnd::GetNextDlgTabItem
CWnd* GetNextDlgTabItem( CWnd* pWndCtl, BOOL bPrevious = FALSE ) const;
Return Value
Pointer to the previous (or next) control that has the WS_TABSTOP style, if the member function is successful.
The returned pointer may be temporary and should not be stored for later use.
Parameters
pWndCtl
Identifies the control to be used as the starting point for the search.
bPrevious
Specifies how the function is to search the dialog box. If TRUE, the function searches for the previous control in the dialog box; if FALSE, it searches for the next control.
Remarks
Retrieves a pointer to the first control that was created with the WS_TABSTOP style and that precedes (or follows) the specified control.
ie to move to next
GetNextDlgItem(GetFocus(),
CWnd::GetNextDlgTabItem
CWnd* GetNextDlgTabItem( CWnd* pWndCtl, BOOL bPrevious = FALSE ) const;
Return Value
Pointer to the previous (or next) control that has the WS_TABSTOP style, if the member function is successful.
The returned pointer may be temporary and should not be stored for later use.
Parameters
pWndCtl
Identifies the control to be used as the starting point for the search.
bPrevious
Specifies how the function is to search the dialog box. If TRUE, the function searches for the previous control in the dialog box; if FALSE, it searches for the next control.
Remarks
Retrieves a pointer to the first control that was created with the WS_TABSTOP style and that precedes (or follows) the specified control.
ie to move to next
GetNextDlgItem(GetFocus(),
Try this, it modifies the right arrow to tab and left arrow to shift tab, then passes to the actual pretranslate for default processing.
BOOL CFormTestView::PreTranslat
{
if(pMsg->message == WM_KEYDOWN)
{
if(pMsg->wParam == VK_RIGHT)
pMsg->wParam = VK_TAB ;
else if(pMsg->wParam == VK_LEFT)
{
pMsg->wParam = VK_TAB ;
//Set the shift key state
static BYTE bytKeyBuff[256] ;
GetKeyboardState((PBYTE)&b
//toggle shift key.
bytKeyBuff[VK_SHIFT] |= 0x80 ;//set the high bit to 1
SetKeyboardState((PBYTE)&b
//let the pretranslate do it's default thing
BOOL bReturn = CFormView::PreTranslateMes
//toggle back to the original state
bytKeyBuff[VK_SHIFT] &= 0x7F ;//set the high bit to 0
SetKeyboardState((PBYTE)&b
return bReturn ;
}
}
return CFormView::PreTranslateMes
}
HTH
BOOL CFormTestView::PreTranslat
{
if(pMsg->message == WM_KEYDOWN)
{
if(pMsg->wParam == VK_RIGHT)
pMsg->wParam = VK_TAB ;
else if(pMsg->wParam == VK_LEFT)
{
pMsg->wParam = VK_TAB ;
//Set the shift key state
static BYTE bytKeyBuff[256] ;
GetKeyboardState((PBYTE)&b
//toggle shift key.
bytKeyBuff[VK_SHIFT] |= 0x80 ;//set the high bit to 1
SetKeyboardState((PBYTE)&b
//let the pretranslate do it's default thing
BOOL bReturn = CFormView::PreTranslateMes
//toggle back to the original state
bytKeyBuff[VK_SHIFT] &= 0x7F ;//set the high bit to 0
SetKeyboardState((PBYTE)&b
return bReturn ;
}
}
return CFormView::PreTranslateMes
}
HTH
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