//------------------------------------------------------------------------ //! Returns the proper rectangle, which a cell value editor should fit in //! //! @param owner The list control for the inplace cell value editor //! @param nRow The index of the row //! @param nCol The index of the column //! @return Rectangle where the inplace cell value editor should be placed. //------------------------------------------------------------------------ CRect CGridColumnTraitText::GetCellEditRect(CGridListCtrlEx& owner, int nRow, int nCol) { // Get position of the cell to edit CRect rectCell; VERIFY( owner.GetCellRect(nRow, nCol, LVIR_LABEL, rectCell) ); // Adjust cell rectangle according to grid-lines if (owner.GetExtendedStyle() & LVS_EX_GRIDLINES) rectCell.bottom -= ::GetSystemMetrics(SM_CXBORDER); if (owner.GetExtendedStyle() & LVS_EX_SUBITEMIMAGES) { // Add margin to cell image if (owner.GetImageList(LVSIL_SMALL)!=NULL && owner.GetCellImage(nRow,nCol)!=I_IMAGECALLBACK) rectCell.left += ::GetSystemMetrics(SM_CXBORDER); } // Check if there is enough room for normal margin int requiredHeight = GetCellFontHeight(owner); requiredHeight += 2*::GetSystemMetrics(SM_CXEDGE); if (requiredHeight > rectCell.Height()) rectCell.bottom = rectCell.top + requiredHeight; return rectCell; }
//------------------------------------------------------------------------ //! Returns the proper rectangle, which an editor should fit in //------------------------------------------------------------------------ CRect CGridColumnTraitText::GetCellEditRect(CGridListCtrlEx& owner, int nRow, int nCol) { // Find the required height according to font int requiredHeight = GetCellFontHeight(owner); // Get position of the cell to edit CRect rectCell; VERIFY( owner.GetCellRect(nRow, nCol, LVIR_LABEL, rectCell) ); // Adjust position to font height if (!owner.UsingVisualStyle()) { if ((requiredHeight + 2*::GetSystemMetrics(SM_CXEDGE)) > rectCell.Height()) { rectCell.top -= ::GetSystemMetrics(SM_CXEDGE); rectCell.bottom += ::GetSystemMetrics(SM_CXEDGE); } } if (owner.GetExtendedStyle() & LVS_EX_GRIDLINES) { if ((requiredHeight + 2*::GetSystemMetrics(SM_CXEDGE) + ::GetSystemMetrics(SM_CXBORDER)) < rectCell.Height()) rectCell.bottom -= ::GetSystemMetrics(SM_CXBORDER); } if (owner.GetExtendedStyle() & LVS_EX_SUBITEMIMAGES) { if (owner.GetImageList(LVSIL_SMALL)!=NULL && owner.GetCellImage(nRow,nCol)>=0) rectCell.left += ::GetSystemMetrics(SM_CXBORDER); } return rectCell; }
//------------------------------------------------------------------------ //! Appends the checkbox state images to the list control image list //! //! @param owner The list control adding column //! @param imagelist The image list assigned to the list control //! @return Image index where the two state images (unchecked/checked) was inserted //------------------------------------------------------------------------ int CGridColumnTraitImage::AppendStateImages(CGridListCtrlEx& owner, CImageList& imagelist) { if (!(owner.GetExtendedStyle() & LVS_EX_SUBITEMIMAGES)) owner.SetExtendedStyle(owner.GetExtendedStyle() | LVS_EX_SUBITEMIMAGES); if (!imagelist) imagelist.Create(16, 16, ILC_COLOR16 | ILC_MASK, 1, 0); if (!owner.GetImageList(LVSIL_SMALL)) owner.SetImageList(&imagelist, LVSIL_SMALL); VERIFY( owner.GetImageList(LVSIL_SMALL)==&imagelist ); bool createdStateImages = false; CImageList* pStateList = owner.GetImageList(LVSIL_STATE); if (pStateList==NULL) { if (!(owner.GetExtendedStyle() & LVS_EX_CHECKBOXES)) { createdStateImages = true; owner.SetExtendedStyle(owner.GetExtendedStyle() | LVS_EX_CHECKBOXES); pStateList = owner.GetImageList(LVSIL_STATE); } } int imageCount = -1; ASSERT(pStateList!=NULL); if (pStateList!=NULL) { imageCount = imagelist.GetImageCount(); HICON uncheckedIcon = pStateList->ExtractIcon(0); imagelist.Add(uncheckedIcon); DestroyIcon(uncheckedIcon); HICON checkedIcon = pStateList->ExtractIcon(1); imagelist.Add(checkedIcon); DestroyIcon(checkedIcon); } if (createdStateImages) owner.SetExtendedStyle(owner.GetExtendedStyle() & ~LVS_EX_CHECKBOXES); return imageCount; }
//------------------------------------------------------------------------ //! Overrides the custom draw handler, to allow custom coloring of rows. //! - Fix white background for icon images //! - Fix white background between icon and cell text //! //! @param owner The list control drawing //! @param pLVCD Pointer to NMLVCUSTOMDRAW structure //! @param pResult Modification to the drawing stage (CDRF_NEWFONT, etc.) //------------------------------------------------------------------------ void CGridRowTraitXP::OnCustomDraw(CGridListCtrlEx& owner, NMLVCUSTOMDRAW* pLVCD, LRESULT* pResult) { if (owner.UsingVisualStyle()) { // Perform standard drawing CGridRowTraitText::OnCustomDraw(owner, pLVCD, pResult); return; } // We are using classic- or XP-style int nRow = (int)pLVCD->nmcd.dwItemSpec; // Repair the standard drawing switch (pLVCD->nmcd.dwDrawStage) { case CDDS_ITEMPREPAINT | CDDS_SUBITEM: { // We want to fix cell images *pResult |= CDRF_NOTIFYPOSTPAINT; } break; case CDDS_ITEMPOSTPAINT | CDDS_SUBITEM: { // Fix CListCtrl selection drawing bug with white background for icon image // Fix CListCtrl selection drawing bug with white margin between icon and text int nCol = pLVCD->iSubItem; if (CRect(pLVCD->nmcd.rc)==CRect(0,0,0,0)) break; int nImage = owner.GetCellImage(nRow, nCol); if (nImage == I_IMAGECALLBACK) break; CImageList* pImageList = owner.GetImageList(LVSIL_SMALL); if (pImageList==NULL) break; COLORREF backColor = COLORREF(-1); if (owner.GetExtendedStyle() & LVS_EX_TRACKSELECT && owner.GetHotItem()==nRow) { #if(WINVER >= 0x0500) backColor = ::GetSysColor(COLOR_HOTLIGHT); #else if (owner.IsRowSelected(nRow)) backColor = ::GetSysColor(COLOR_HIGHLIGHT); else break; #endif } else if (owner.IsRowSelected(nRow)) { if (!(owner.GetExtendedStyle() & LVS_EX_FULLROWSELECT)) break; // No drawing of selection color without full-row-select if (m_InvertCellSelection && owner.GetFocusRow()==nRow && owner.GetFocusCell()==nCol) { // No drawing of selection color for focus cell if (pLVCD->clrTextBk > RGB(255,255,255)) break; backColor = pLVCD->clrTextBk; } else { if (owner.GetFocus()!=&owner && !owner.IsCellEditorOpen()) { // Selection color is different when not having focus if (owner.GetStyle() & LVS_SHOWSELALWAYS) backColor = ::GetSysColor(COLOR_BTNFACE); else break; // no drawing of selection color when not in focus } else { backColor = ::GetSysColor(COLOR_HIGHLIGHT); } } } else { // Redraw with the given background color if (pLVCD->clrTextBk > RGB(255,255,255)) break; // If a color is more than white, then it is invalid backColor = pLVCD->clrTextBk; } CDC* pDC = CDC::FromHandle(pLVCD->nmcd.hdc); CRect rcIcon, rcCell; VERIFY( owner.GetCellRect(nRow, nCol, LVIR_ICON, rcIcon) ); VERIFY( owner.GetCellRect(nRow, nCol, LVIR_BOUNDS, rcCell) ); // When the label column is placed first it has a left-margin if (nCol==0 && nCol==owner.GetFirstVisibleColumn()) { int cxborder = ::GetSystemMetrics(SM_CXBORDER); rcCell.left += cxborder*2; } // Remove white margin between cell-image and cell-text rcCell.right = rcIcon.right + 2; CBrush brush(backColor); pDC->FillRect(&rcCell, &brush); // Draw icon COLORREF oldBkColor = pImageList->SetBkColor(backColor); pImageList->Draw ( pDC, nImage, rcIcon.TopLeft(), ILD_NORMAL ); pImageList->SetBkColor(oldBkColor); if (nCol==0 && owner.GetExtendedStyle() & LVS_EX_CHECKBOXES) { CImageList* pStateImageList = owner.GetImageList(LVSIL_STATE); if (pImageList==NULL) break; int checkState = owner.GetCheck(nRow); COLORREF oldStateBkColor = pStateImageList->SetBkColor(backColor); pStateImageList->Draw ( pDC, checkState, rcCell.TopLeft(), ILD_NORMAL ); pStateImageList->SetBkColor(oldStateBkColor); } } break; } // Perform standard drawing CGridRowTraitText::OnCustomDraw(owner, pLVCD, pResult); }
//------------------------------------------------------------------------ //! Appends the checkbox state images to the list control image list //! //! @param owner The list control adding column //! @param imagelist The image list assigned to the list control //! @return Image index where the two state images (unchecked/checked) was inserted //------------------------------------------------------------------------ int CGridColumnTraitImage::AppendStateImages(CGridListCtrlEx& owner, CImageList& imagelist) { if (!(owner.GetExtendedStyle() & LVS_EX_SUBITEMIMAGES)) owner.SetExtendedStyle(owner.GetExtendedStyle() | LVS_EX_SUBITEMIMAGES); if (!imagelist) imagelist.Create(16, 16, ILC_COLOR16 | ILC_MASK, 1, 0); if (!owner.GetImageList(LVSIL_SMALL)) owner.SetImageList(&imagelist, LVSIL_SMALL); VERIFY(owner.GetImageList(LVSIL_SMALL) == &imagelist); bool createdStateImages = false; CImageList* pStateList = owner.GetImageList(LVSIL_STATE); if (pStateList == NULL) { if (!(owner.GetExtendedStyle() & LVS_EX_CHECKBOXES)) { createdStateImages = true; owner.SetExtendedStyle(owner.GetExtendedStyle() | LVS_EX_CHECKBOXES); pStateList = owner.GetImageList(LVSIL_STATE); } } int imageCount = -1; ASSERT(pStateList != NULL); if (pStateList != NULL && pStateList->GetImageCount() >= 2) { imageCount = imagelist.GetImageCount(); // Get the icon size of current imagelist CSize iconSize(16, 16); if (imageCount > 0) { IMAGEINFO iconSizeInfo = { 0 }; VERIFY(imagelist.GetImageInfo(0, &iconSizeInfo)); iconSize = CSize(iconSizeInfo.rcImage.right - iconSizeInfo.rcImage.left, iconSizeInfo.rcImage.bottom - iconSizeInfo.rcImage.top); } // Scale the icon-position if necessary CPoint iconPos(1, 0); // +1 pixel to avoid overlap with left-grid-line { IMAGEINFO stateSizeInfo = { 0 }; VERIFY(pStateList->GetImageInfo(0, &stateSizeInfo)); int stateIconHeight = stateSizeInfo.rcImage.bottom - stateSizeInfo.rcImage.top; if (iconSize.cy > stateIconHeight) iconPos.y = (iconSize.cy - stateIconHeight) / 2; } // Redraw the state-icon to match the icon size of the current imagelist (without scaling image) CClientDC clienDC(&owner); CDC memDC; VERIFY(memDC.CreateCompatibleDC(&clienDC)); CBitmap dstBmp; VERIFY(dstBmp.CreateCompatibleBitmap(&clienDC, iconSize.cx, iconSize.cy)); CBitmap* pBmpOld = memDC.SelectObject(&dstBmp); COLORREF oldBkColor = pStateList->SetBkColor(imagelist.GetBkColor()); CBrush brush(imagelist.GetBkColor()); memDC.FillRect(CRect(0, 0, iconSize.cx, iconSize.cy), &brush); VERIFY(pStateList->Draw(&memDC, 0, iconPos, ILD_NORMAL)); memDC.SelectObject(pBmpOld); VERIFY(imagelist.Add(&dstBmp, oldBkColor) != -1); pBmpOld = memDC.SelectObject(&dstBmp); memDC.FillRect(CRect(0, 0, iconSize.cx, iconSize.cy), &brush); VERIFY(pStateList->Draw(&memDC, 1, iconPos, ILD_NORMAL)); memDC.SelectObject(pBmpOld); VERIFY(imagelist.Add(&dstBmp, oldBkColor) != -1); pStateList->SetBkColor(oldBkColor); } if (createdStateImages) owner.SetExtendedStyle(owner.GetExtendedStyle() & ~LVS_EX_CHECKBOXES); return imageCount; }