CComboBox* CPlayerListCtrl::ShowInPlaceComboBox(int nItem, int nCol, CAtlList<CString>& lstItems, int nSel, bool bShowDropDown) { CRect rect; if (!PrepareInPlaceControl(nItem, nCol, rect)) { return nullptr; } DWORD dwStyle = /*WS_BORDER|*/WS_CHILD | WS_VISIBLE | WS_VSCROLL /*|WS_HSCROLL*/ | CBS_DROPDOWNLIST | CBS_DISABLENOSCROLL/*|CBS_NOINTEGRALHEIGHT*/; CComboBox* pComboBox = DEBUG_NEW CInPlaceComboBox(nItem, nCol, lstItems, nSel); pComboBox->Create(dwStyle, rect, this, IDC_COMBO1); CorrectComboListWidth(*pComboBox); int width = GetColumnWidth(nCol); if (pComboBox->GetDroppedWidth() < width) { pComboBox->SetDroppedWidth(width); } if (bShowDropDown) { pComboBox->ShowDropDown(); } m_fInPlaceDirty = false; return pComboBox; }
void UpdateHorzExtent(CComboBox &rctlComboBox, int iIconWidth) { int iItemCount = rctlComboBox.GetCount(); if (iItemCount > 0) { CDC *pDC = rctlComboBox.GetDC(); if (pDC != NULL) { // *** To get *ACCURATE* results from 'GetOutputTextExtent' one *MUST* // *** explicitly set the font! CFont *pOldFont = pDC->SelectObject(rctlComboBox.GetFont()); CString strItem; int iMaxWidth = 0; for (int i = 0; i < iItemCount; i++) { rctlComboBox.GetLBText(i, strItem); int iItemWidth = pDC->GetOutputTextExtent(strItem, strItem.GetLength()).cx; if (iItemWidth > iMaxWidth) iMaxWidth = iItemWidth; } pDC->SelectObject(pOldFont); rctlComboBox.ReleaseDC(pDC); // Depending on the string (lot of "M" or lot of "i") sometime the // width is just a few pixels too small! iMaxWidth += 4; if (iIconWidth) iMaxWidth += 2 + iIconWidth + 2; rctlComboBox.SetHorizontalExtent(iMaxWidth); if (rctlComboBox.GetDroppedWidth() < iMaxWidth) rctlComboBox.SetDroppedWidth(iMaxWidth); } } else rctlComboBox.SetHorizontalExtent(0); }