//------------------------------------------------------------------------ //! Switch to the next image index //! //! @param owner The list control starting edit //! @param nRow The index of the row for the cell to edit //! @param nCol The index of the column for the cell to edit //! @return New image index (-1 if no new image) //------------------------------------------------------------------------ int CGridColumnTraitImage::FlipImageIndex(CGridListCtrlEx& owner, int nRow, int nCol) { if (m_ImageCellText.GetSize() <= 1) return -1; int nImageIdx = owner.GetCellImage(nRow, nCol); int nOldImagePos = -1; for (int i = 0; i < m_ImageCellText.GetSize(); ++i) { if (m_ImageCellText.GetKeyAt(i) == nImageIdx) { nOldImagePos = i; break; } } if (nOldImagePos == -1) return -1; int nNewImageIdx = -1; if (nOldImagePos + 1 == m_ImageCellText.GetSize()) nNewImageIdx = m_ImageCellText.GetKeyAt(0); else nNewImageIdx = m_ImageCellText.GetKeyAt(nOldImagePos + 1); return nNewImageIdx; }
//------------------------------------------------------------------------ //! 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; }
//------------------------------------------------------------------------ //! Check if current image index blocks for editing of cell label //! //! @param owner The list control starting edit //! @param nRow The index of the row for the cell //! @param nCol The index of the column for the cell //! @param pt The position clicked, in client coordinates. //! @return Is cell read only ? (true / false) //------------------------------------------------------------------------ bool CGridColumnTraitImage::IsCellReadOnly(CGridListCtrlEx& owner, int nRow, int nCol, CPoint pt) const { if (!m_ColumnState.m_Editable) return true; // Check if current cell image blocks for starting cell editor if (m_ImageCellEdit.GetSize() != 0) { int nCurImageIdx = -1; for (int i = 0; i < m_ImageCellEdit.GetSize(); ++i) { if (!m_ImageCellEdit.GetValueAt(i)) { if (nCurImageIdx == -1) { if (pt != CPoint(-1, -1)) { CRect rect; VERIFY(owner.GetCellRect(nRow, nCol, LVIR_LABEL, rect)); if (!rect.PtInRect(pt)) break; } nCurImageIdx = owner.GetCellImage(nRow, nCol); if (nCurImageIdx == -1) break; } if (nCurImageIdx == m_ImageCellEdit.GetKeyAt(i)) return true; } } } return false; // editable }
//------------------------------------------------------------------------ //! 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; }
//------------------------------------------------------------------------ //! 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); }