void CTTComboBox::AlignListBoxWithCombo()
{
if (m_cbi.hwndList == NULL ||
!::IsWindow(m_cbi.hwndList))
return;
CListBox* pList = (CListBox*)CWnd::FromHandle(m_cbi.hwndList);
CRect l_rcCombo;
GetClientRect(&l_rcCombo);
CRect l_rcList;
pList->GetClientRect(&l_rcList);
int dropWidth = GetDroppedWidth();
int listWidth = l_rcList.Width();
int xOffset = 0;
switch (m_alignStyle)
{
case 0:
xOffset = 0;
break;
case 1:
xOffset = dropWidth - l_rcCombo.Width();
break;
case 2:
xOffset = (dropWidth - l_rcCombo.Width()) / 2;
break;
default:
xOffset = 0;
break;
}
pList->ClientToScreen(&l_rcList);
pList->SetWindowPos(NULL, l_rcList.left - xOffset, l_rcList.top, 0, 0, SWP_NOSIZE);
}
void CColorCombo::InitDialog(HWND hWndCtrl, bool bDefaultColors, bool bAllowOffOption)
{
if (!hWndCtrl)
return;
SubclassWindow(hWndCtrl);
AddComboToList();
long lWidth = GetDroppedWidth();
long lRet = SetDroppedWidth(dtoi(2.75 * lWidth));
// Stuff the combobox with colors
// Add a place holder for the Custom option (the color picker)
int nItem = AddString("");
SetItemData(nItem, CLR_NONE);
if (bAllowOffOption)
{
nItem = AddString("");
SetItemData(nItem, CLR_DEFAULT);
}
if (bDefaultColors)
{
for (int i = 0; i < NDEFAULTCOLORS; i++)
{
nItem = AddString("");
SetItemData(nItem, CColorCombo::m_DefaultColors[i].Color);
}
}
}
BOOL CInPlaceList::OnDropdown()
{
// TODO: Add your control notification handler code here
SetCursor(LoadCursor(NULL, IDC_ARROW));
int dx = 0;
CSize sz(0,0);
TEXTMETRIC tm;
CString sLBText;
CDC* pDC = GetDC();
CFont* pFont = GetFont();
// Select the listbox font, save the old font
CFont* pOldFont = pDC->SelectObject(pFont);
// Get the text metrics for avg char width
pDC->GetTextMetrics(&tm);
const int nCount = GetCount();
for(int i = 0; i < nCount; ++i)
{
GetLBText(i, sLBText);
sz = pDC->GetTextExtent(sLBText);
// Add the avg width to prevent clipping
sz.cx += tm.tmAveCharWidth;
if(sz.cx > dx)
dx = sz.cx;
}
// Select the old font back into the DC
pDC->SelectObject(pOldFont);
ReleaseDC(pDC);
// Adjust the width for the vertical scroll bar and the left and right border.
dx += ::GetSystemMetrics(SM_CXVSCROLL) + 2 * ::GetSystemMetrics(SM_CXEDGE);
if(GetDroppedWidth() < dx)
SetDroppedWidth(dx);
return Default() != 0;
}
