//------------------------------------------------------------------------ //! 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 (nCol == 0 && owner.GetImageList(LVSIL_SMALL) != NULL) { // Add margin to cell image rectCell.left += ::GetSystemMetrics(SM_CXBORDER); } else { if (nCol > 0 && (owner.GetExtendedStyle() & LVS_EX_SUBITEMIMAGES) && owner.GetImageList(LVSIL_SMALL) != NULL && owner.GetCellImage(nRow, nCol) != I_IMAGECALLBACK) { // Add margin to cell image rectCell.left += ::GetSystemMetrics(SM_CXBORDER); } else { // Overlap the focus rectangle, unless we are first in column order if (nCol != owner.GetFirstVisibleColumn()) 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); }
//------------------------------------------------------------------------ //! Overrides the custom draw handler, to allow custom coloring of rows. //! - Focus rectangle display //! - Use font size to increase row-height, but keep cell font-size //! - Alternate row coloring //! //! @param owner The list control drawing //! @param pLVCD Pointer to NMLVCUSTOMDRAW structure //! @param pResult Modification to the drawing stage (CDRF_NEWFONT, etc.) //------------------------------------------------------------------------ void CGridRowTraitText::OnCustomDraw(CGridListCtrlEx& owner, NMLVCUSTOMDRAW* pLVCD, LRESULT* pResult) { int nRow = (int)pLVCD->nmcd.dwItemSpec; switch (pLVCD->nmcd.dwDrawStage) { case CDDS_ITEMPREPAINT | CDDS_SUBITEM: { // Remove the selection color for the focus cell, to make it easier to see focus if (m_InvertCellSelection) { int nCol = pLVCD->iSubItem; if (pLVCD->nmcd.uItemState & CDIS_SELECTED) { if (owner.GetFocusCell()==nCol && owner.GetFocusRow()==nRow) { pLVCD->nmcd.uItemState &= ~CDIS_SELECTED; } } } // Bug in Vista causes the cell color from previous cell to be used in the next // even if having reverted the cell coloring in subitem-post-paint if (pLVCD->clrText <= RGB(255,255,255) || pLVCD->clrTextBk <= RGB(255,255,255)) { pLVCD->clrText = CLR_DEFAULT; pLVCD->clrTextBk = CLR_DEFAULT; if (UpdateTextColor(nRow, pLVCD->clrText)) *pResult |= CDRF_NEWFONT; if (UpdateBackColor(nRow, pLVCD->clrTextBk)) *pResult |= CDRF_NEWFONT; if (owner.OnDisplayRowColor(nRow, pLVCD->clrText, pLVCD->clrTextBk)) *pResult |= CDRF_NEWFONT; } } break; // Before painting a row case CDDS_ITEMPREPAINT: { if (UpdateTextColor(nRow, pLVCD->clrText)) *pResult |= CDRF_NEWFONT; if (UpdateBackColor(nRow, pLVCD->clrTextBk)) *pResult |= CDRF_NEWFONT; if (owner.OnDisplayRowColor(nRow, pLVCD->clrText, pLVCD->clrTextBk)) *pResult |= CDRF_NEWFONT; LOGFONT newFont = {0}; if (owner.OnDisplayRowFont(nRow, newFont)) { // New font provided CDC* pDC = CDC::FromHandle(pLVCD->nmcd.hdc); CFont* pNewFont = new CFont; VERIFY( pNewFont->CreateFontIndirect(&newFont) ); m_pOldFont = pDC->SelectObject(pNewFont); m_FontAllocated = true; *pResult |= CDRF_NOTIFYPOSTPAINT; // We need to restore the original font *pResult |= CDRF_NEWFONT; } else { if (owner.GetFont()!=owner.GetCellFont()) { // Using special cell font because of SetMargin() CDC* pDC = CDC::FromHandle(pLVCD->nmcd.hdc); m_pOldFont = pDC->SelectObject(owner.GetCellFont()); *pResult |= CDRF_NOTIFYPOSTPAINT; // We need to restore the original font *pResult |= CDRF_NEWFONT; } } if (pLVCD->nmcd.uItemState & CDIS_FOCUS) { if (owner.GetFocus() != &owner) break; // If drawing focus row, then remove focus state and request to draw it later // - Row paint request can come twice, with and without focus flag // - Only respond to the one with focus flag, else DrawFocusRect XOR will cause solid or blank focus-rectangle if (owner.GetFocusRow() == nRow) { if (owner.GetFocusCell() >= 0) { // We want to draw a cell-focus-rectangle instead of row-focus-rectangle pLVCD->nmcd.uItemState &= ~CDIS_FOCUS; *pResult |= CDRF_NOTIFYPOSTPAINT; } else if (owner.GetExtendedStyle() & LVS_EX_GRIDLINES) { // Avoid bug where bottom of focus rectangle is missing when using grid-lines // - Draw the focus-rectangle for the entire row (explicit) pLVCD->nmcd.uItemState &= ~CDIS_FOCUS; *pResult |= CDRF_NOTIFYPOSTPAINT; } } } } break; // After painting a row case CDDS_ITEMPOSTPAINT: { if (m_pOldFont!=NULL) { // Restore the original font CDC* pDC = CDC::FromHandle(pLVCD->nmcd.hdc); CFont* pNewFont = pDC->SelectObject(m_pOldFont); if (m_FontAllocated) { m_FontAllocated = false; delete pNewFont; } m_pOldFont = NULL; } if (CRect(pLVCD->nmcd.rc)==CRect(0,0,0,0)) break; if (owner.GetFocusRow()!=nRow) break; if (owner.GetFocus() != &owner) break; // Perform the drawing of the focus rectangle if (owner.GetFocusCell() >= 0) { // Draw the focus-rectangle for a single-cell CRect rcHighlight; CDC* pDC = CDC::FromHandle(pLVCD->nmcd.hdc); VERIFY( owner.GetCellRect(nRow, owner.GetFocusCell(), LVIR_BOUNDS, rcHighlight) ); int cxborder = ::GetSystemMetrics(SM_CXBORDER); // When the label column is placed first it has a left-margin if (owner.GetFocusCell()==0 && owner.GetFocusCell()==owner.GetFirstVisibleColumn()) { rcHighlight.left += cxborder*2; } else // Prevent focus rectangle to overlap with cell-image (Only room for this when not first column) if (owner.GetFirstVisibleColumn()!=owner.GetFocusCell()) { rcHighlight.left -= cxborder; } // Adjust rectangle according to grid-lines if (owner.GetExtendedStyle() & LVS_EX_GRIDLINES) { rcHighlight.bottom -= cxborder; } pDC->DrawFocusRect(rcHighlight); } else if (owner.GetExtendedStyle() & LVS_EX_GRIDLINES) { // Avoid bug where bottom of focus rectangle is missing when using grid-lines // - Draw the focus-rectangle for the entire row (explicit) CRect rcHighlight; CDC* pDC = CDC::FromHandle(pLVCD->nmcd.hdc); // Using LVIR_BOUNDS to get the entire row-rectangle VERIFY( owner.GetItemRect(nRow, rcHighlight, LVIR_BOUNDS) ); // Adjust rectangle according to grid-lines int cxborder = ::GetSystemMetrics(SM_CXBORDER); rcHighlight.bottom -= cxborder; pDC->DrawFocusRect(rcHighlight); } } break; } }