X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7bc57fd972ddf7621bc6d4716e6dbda1cf09312e..9ed3454e3d06f99510cd203419c40c46a0370c08:/src/generic/grid.cpp diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp index a1393a0917..d4d7a12b40 100644 --- a/src/generic/grid.cpp +++ b/src/generic/grid.cpp @@ -419,7 +419,7 @@ void wxGridCellAttr::SetSize(int num_rows, int num_cols) wxASSERT_MSG( (!((num_rows > 0) && (num_cols <= 0)) || !((num_rows <= 0) && (num_cols > 0)) || !((num_rows == 0) && (num_cols == 0))), - wxT("wxGridCellAttr::SetSize only takes two postive values or negative/zero values")); + wxT("wxGridCellAttr::SetSize only takes two positive values or negative/zero values")); m_sizeRows = num_rows; m_sizeCols = num_cols; @@ -1535,7 +1535,8 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols ) // the label of the first column had been set it would have only one // element and not numCols, so account for it int numRemaining = m_colLabels.size() - colID; - m_colLabels.RemoveAt( colID, wxMin(numCols, numRemaining) ); + if (numRemaining > 0) + m_colLabels.RemoveAt( colID, wxMin(numCols, numRemaining) ); } if ( numCols >= curNumCols ) @@ -1775,6 +1776,300 @@ void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) m_owner->DrawHighlight( dc, dirtyCells ); } +void wxGrid::Render( wxDC& dc, + const wxPoint& position, + const wxSize& size, + const wxGridCellCoords& topLeft, + const wxGridCellCoords& bottomRight, + int style ) +{ + wxCHECK_RET( bottomRight.GetCol() < GetNumberCols(), + "Invalid right column" ); + wxCHECK_RET( bottomRight.GetRow() < GetNumberRows(), + "Invalid bottom row" ); + + // store user settings and reset later + + // remove grid selection, don't paint selection colour + // unless we have wxGRID_DRAW_SELECTION + // block selections are the only ones catered for here + wxGridCellCoordsArray selectedCells; + bool hasSelection = IsSelection(); + if ( hasSelection && !( style & wxGRID_DRAW_SELECTION ) ) + { + selectedCells = GetSelectionBlockTopLeft(); + // non block selections may not have a bottom right + if ( GetSelectionBlockBottomRight().size() ) + selectedCells.Add( GetSelectionBlockBottomRight()[ 0 ] ); + + ClearSelection(); + } + + // store user device origin + wxCoord userOriginX, userOriginY; + dc.GetDeviceOrigin( &userOriginX, &userOriginY ); + + // store user scale + double scaleUserX, scaleUserY; + dc.GetUserScale( &scaleUserX, &scaleUserY ); + + // set defaults if necessary + wxGridCellCoords leftTop( topLeft ), rightBottom( bottomRight ); + if ( leftTop.GetCol() < 0 ) + leftTop.SetCol(0); + if ( leftTop.GetRow() < 0 ) + leftTop.SetRow(0); + if ( rightBottom.GetCol() < 0 ) + rightBottom.SetCol(GetNumberCols() - 1); + if ( rightBottom.GetRow() < 0 ) + rightBottom.SetRow(GetNumberRows() - 1); + + // get grid offset, size and cell parameters + wxPoint pointOffSet; + wxSize sizeGrid; + wxGridCellCoordsArray renderCells; + wxArrayInt arrayCols; + wxArrayInt arrayRows; + + GetRenderSizes( leftTop, rightBottom, + pointOffSet, sizeGrid, + renderCells, + arrayCols, arrayRows ); + + // add headers/labels to dimensions + if ( style & wxGRID_DRAW_ROWS_HEADER ) + sizeGrid.x += GetRowLabelSize(); + if ( style & wxGRID_DRAW_COLS_HEADER ) + sizeGrid.y += GetColLabelSize(); + + // get render start position in logical units + wxPoint positionRender = GetRenderPosition( dc, position ); + + wxCoord originX = dc.LogicalToDeviceX( positionRender.x ); + wxCoord originY = dc.LogicalToDeviceY( positionRender.y ); + + dc.SetDeviceOrigin( originX, originY ); + + SetRenderScale( dc, positionRender, size, sizeGrid ); + + // draw row headers at specified origin + if ( GetRowLabelSize() > 0 && ( style & wxGRID_DRAW_ROWS_HEADER ) ) + { + if ( style & wxGRID_DRAW_COLS_HEADER ) + { + DrawCornerLabel( dc ); // do only if both col and row labels drawn + originY += dc.LogicalToDeviceYRel( GetColLabelSize() ); + } + + originY -= dc.LogicalToDeviceYRel( pointOffSet.y ); + dc.SetDeviceOrigin( originX, originY ); + + DrawRowLabels( dc, arrayRows ); + + // reset for columns + if ( style & wxGRID_DRAW_COLS_HEADER ) + originY -= dc.LogicalToDeviceYRel( GetColLabelSize() ); + + originY += dc.LogicalToDeviceYRel( pointOffSet.y ); + // X offset so we don't overwrite row labels + originX += dc.LogicalToDeviceXRel( GetRowLabelSize() ); + } + + // subtract col offset where startcol > 0 + originX -= dc.LogicalToDeviceXRel( pointOffSet.x ); + // no y offset for col labels, they are at the Y origin + + // draw column labels + if ( style & wxGRID_DRAW_COLS_HEADER ) + { + dc.SetDeviceOrigin( originX, originY ); + DrawColLabels( dc, arrayCols ); + // don't overwrite the labels, increment originY + originY += dc.LogicalToDeviceYRel( GetColLabelSize() ); + } + + // set device origin to draw grid cells and lines + originY -= dc.LogicalToDeviceYRel( pointOffSet.y ); + dc.SetDeviceOrigin( originX, originY ); + + // draw cell area background + dc.SetBrush( GetDefaultCellBackgroundColour() ); + dc.SetPen( *wxTRANSPARENT_PEN ); + // subtract headers from grid area dimensions + wxSize sizeCells( sizeGrid ); + if ( style & wxGRID_DRAW_ROWS_HEADER ) + sizeCells.x -= GetRowLabelSize(); + if ( style & wxGRID_DRAW_COLS_HEADER ) + sizeCells.y -= GetColLabelSize(); + + dc.DrawRectangle( pointOffSet, sizeCells ); + + // draw cells + DrawGridCellArea( dc, renderCells ); + + // draw grid lines + if ( style & wxGRID_DRAW_CELL_LINES ) + { + wxRegion regionClip( pointOffSet.x, pointOffSet.y, + sizeCells.x, sizeCells.y ); + + DrawRangeGridLines(dc, regionClip, renderCells[0], renderCells.Last()); + } + + // draw render rectangle bounding lines + DoRenderBox( dc, style, + pointOffSet, sizeCells, + leftTop, rightBottom ); + + // restore user setings + dc.SetDeviceOrigin( userOriginX, userOriginY ); + dc.SetUserScale( scaleUserX, scaleUserY ); + + if ( selectedCells.size() && !( style & wxGRID_DRAW_SELECTION ) ) + { + SelectBlock( selectedCells[ 0 ].GetRow(), + selectedCells[ 0 ].GetCol(), + selectedCells[ selectedCells.size() -1 ].GetRow(), + selectedCells[ selectedCells.size() -1 ].GetCol() ); + } +} + +void +wxGrid::SetRenderScale(wxDC& dc, + const wxPoint& pos, const wxSize& size, + const wxSize& sizeGrid ) +{ + double scaleX, scaleY; + wxSize sizeTemp; + + if ( size.GetWidth() != wxDefaultSize.GetWidth() ) // size.x was specified + sizeTemp.SetWidth( size.GetWidth() ); + else + sizeTemp.SetWidth( dc.DeviceToLogicalXRel( dc.GetSize().GetWidth() ) + - pos.x ); + + if ( size.GetHeight() != wxDefaultSize.GetHeight() ) // size.y was specified + sizeTemp.SetHeight( size.GetHeight() ); + else + sizeTemp.SetHeight( dc.DeviceToLogicalYRel( dc.GetSize().GetHeight() ) + - pos.y ); + + scaleX = (double)( (double) sizeTemp.GetWidth() / (double) sizeGrid.GetWidth() ); + scaleY = (double)( (double) sizeTemp.GetHeight() / (double) sizeGrid.GetHeight() ); + + dc.SetUserScale( wxMin( scaleX, scaleY), wxMin( scaleX, scaleY ) ); +} + +// get grid rendered size, origin offset and fill cell arrays +void wxGrid::GetRenderSizes( const wxGridCellCoords& topLeft, + const wxGridCellCoords& bottomRight, + wxPoint& pointOffSet, wxSize& sizeGrid, + wxGridCellCoordsArray& renderCells, + wxArrayInt& arrayCols, wxArrayInt& arrayRows ) +{ + pointOffSet.x = 0; + pointOffSet.y = 0; + sizeGrid.SetWidth( 0 ); + sizeGrid.SetHeight( 0 ); + + int col, row; + + wxGridSizesInfo sizeinfo = GetColSizes(); + for ( col = 0; col <= bottomRight.GetCol(); col++ ) + { + if ( col < topLeft.GetCol() ) + { + pointOffSet.x += sizeinfo.GetSize( col ); + } + else + { + for ( row = topLeft.GetRow(); row <= bottomRight.GetRow(); row++ ) + { + renderCells.Add( wxGridCellCoords( row, col )); + arrayRows.Add( row ); // column labels rendered in DrawColLabels + } + arrayCols.Add( col ); // row labels rendered in DrawRowLabels + sizeGrid.x += sizeinfo.GetSize( col ); + } + } + + sizeinfo = GetRowSizes(); + for ( row = 0; row <= bottomRight.GetRow(); row++ ) + { + if ( row < topLeft.GetRow() ) + pointOffSet.y += sizeinfo.GetSize( row ); + else + sizeGrid.y += sizeinfo.GetSize( row ); + } +} + +// get render start position +// if position not specified use dc draw extents MaxX and MaxY +wxPoint wxGrid::GetRenderPosition( wxDC& dc, const wxPoint& position ) +{ + wxPoint positionRender( position ); + + if ( !positionRender.IsFullySpecified() ) + { + if ( positionRender.x == wxDefaultPosition.x ) + positionRender.x = dc.MaxX(); + + if ( positionRender.y == wxDefaultPosition.y ) + positionRender.y = dc.MaxY(); + } + + return positionRender; +} + +// draw render rectangle bounding lines +// useful where there is multi cell row or col clipping and no cell border +void wxGrid::DoRenderBox( wxDC& dc, const int& style, + const wxPoint& pointOffSet, + const wxSize& sizeCells, + const wxGridCellCoords& topLeft, + const wxGridCellCoords& bottomRight ) +{ + if ( !( style & wxGRID_DRAW_BOX_RECT ) ) + return; + + int bottom = pointOffSet.y + sizeCells.GetY(), + right = pointOffSet.x + sizeCells.GetX() - 1; + + // horiz top line if we are not drawing column header/labels + if ( !( style & wxGRID_DRAW_COLS_HEADER ) ) + { + int left = pointOffSet.x; + left += ( style & wxGRID_DRAW_COLS_HEADER ) + ? - GetRowLabelSize() : 0; + dc.SetPen( GetRowGridLinePen( topLeft.GetRow() ) ); + dc.DrawLine( left, + pointOffSet.y, + right, + pointOffSet.y ); + } + + // horiz bottom line + dc.SetPen( GetRowGridLinePen( bottomRight.GetRow() ) ); + dc.DrawLine( pointOffSet.x, bottom - 1, right, bottom - 1 ); + + // left vertical line if we are not drawing row header/labels + if ( !( style & wxGRID_DRAW_ROWS_HEADER ) ) + { + int top = pointOffSet.y; + top += ( style & wxGRID_DRAW_COLS_HEADER ) + ? - GetColLabelSize() : 0; + dc.SetPen( GetColGridLinePen( topLeft.GetCol() ) ); + dc.DrawLine( pointOffSet.x -1, + top, + pointOffSet.x - 1, + bottom - 1 ); + } + + // right vertical line + dc.SetPen( GetColGridLinePen( bottomRight.GetCol() ) ); + dc.DrawLine( right, pointOffSet.y, right, bottom - 1 ); +} + void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect ) { wxWindow::ScrollWindow( dx, dy, rect ); @@ -2872,16 +3167,20 @@ wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg ) const wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg ) const { - wxRegionIterator iter( reg ); wxRect r; wxGridCellCoordsArray cellsExposed; int left, top, right, bottom; - while ( iter ) + for ( wxRegionIterator iter(reg); iter; ++iter ) { r = iter.GetRect(); + // Skip 0-height cells, they're invisible anyhow, don't waste time + // getting their rectangles and so on. + if ( !r.GetHeight() ) + continue; + // TODO: remove this when we can... // There is a bug in wxMotif that gives garbage update // rectangles if you jump-scroll a long way by clicking the @@ -2929,8 +3228,6 @@ wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg ) const for ( size_t n = 0; n < count; n++ ) cellsExposed.Add(wxGridCellCoords(row, cols[n])); } - - ++iter; } return cellsExposed; @@ -3647,13 +3944,15 @@ void wxGrid::ChangeCursorMode(CursorMode mode, // grid mouse event processing // ---------------------------------------------------------------------------- -void +bool wxGrid::DoGridCellDrag(wxMouseEvent& event, const wxGridCellCoords& coords, bool isFirstDrag) { + bool performDefault = true ; + if ( coords == wxGridNoCellCoords ) - return; // we're outside any valid cell + return performDefault; // we're outside any valid cell // Hide the edit control, so it won't interfere with drag-shrinking. if ( IsCellEditControlShown() ) @@ -3678,8 +3977,11 @@ wxGrid::DoGridCellDrag(wxMouseEvent& event, if ( m_selectedBlockCorner == wxGridNoCellCoords) m_selectedBlockCorner = coords; - SendEvent(wxEVT_GRID_CELL_BEGIN_DRAG, coords, event); - return; + // if event is handled by user code, no further processing + if ( SendEvent(wxEVT_GRID_CELL_BEGIN_DRAG, coords, event) != 0 ) + performDefault = false; + + return performDefault; } } @@ -3690,6 +3992,8 @@ wxGrid::DoGridCellDrag(wxMouseEvent& event, // we don't handle the other key modifiers event.Skip(); } + + return performDefault; } void wxGrid::DoGridLineDrag(wxMouseEvent& event, const wxGridOperations& oper) @@ -3742,7 +4046,9 @@ void wxGrid::DoGridDragEvent(wxMouseEvent& event, const wxGridCellCoords& coords switch ( m_cursorMode ) { case WXGRID_CURSOR_SELECT_CELL: - DoGridCellDrag(event, coords, isFirstDrag); + // no further handling if handled by user + if ( DoGridCellDrag(event, coords, isFirstDrag) == false ) + return; break; case WXGRID_CURSOR_RESIZE_ROW: @@ -4396,6 +4702,14 @@ wxGrid::SendEvent(const wxEventType type, mouseEv.GetY() + GetColLabelSize(), false, mouseEv); + + if ( type == wxEVT_GRID_CELL_BEGIN_DRAG ) + { + // by default the dragging is not supported, the user code must + // explicitly allow the event for it to take place + gridEvt.Veto(); + } + claimed = GetEventHandler()->ProcessEvent(gridEvt); vetoed = !gridEvt.IsAllowed(); } @@ -5328,6 +5642,67 @@ void wxGrid::DrawHighlight(wxDC& dc, const wxGridCellCoordsArray& cells) } } +// Used by wxGrid::Render() to draw the grid lines only for the cells in the +// specified range. +void +wxGrid::DrawRangeGridLines(wxDC& dc, + const wxRegion& reg, + const wxGridCellCoords& topLeft, + const wxGridCellCoords& bottomRight) +{ + if ( !m_gridLinesEnabled ) + return; + + int top, left, width, height; + reg.GetBox( left, top, width, height ); + + // create a clipping region + wxRegion clippedcells( dc.LogicalToDeviceX( left ), + dc.LogicalToDeviceY( top ), + dc.LogicalToDeviceXRel( width ), + dc.LogicalToDeviceYRel( height ) ); + + // subtract multi cell span area from clipping region for lines + wxRect rect; + for ( int row = topLeft.GetRow(); row <= bottomRight.GetRow(); row++ ) + { + for ( int col = topLeft.GetCol(); col <= bottomRight.GetCol(); col++ ) + { + int cell_rows, cell_cols; + GetCellSize( row, col, &cell_rows, &cell_cols ); + if ( cell_rows > 1 || cell_cols > 1 ) // multi cell + { + rect = CellToRect( row, col ); + // cater for scaling + // device origin already set in ::Render() for x, y + rect.x = dc.LogicalToDeviceX( rect.x ); + rect.y = dc.LogicalToDeviceY( rect.y ); + rect.width = dc.LogicalToDeviceXRel( rect.width ); + rect.height = dc.LogicalToDeviceYRel( rect.height ) - 1; + clippedcells.Subtract( rect ); + } + else if ( cell_rows < 0 || cell_cols < 0 ) // part of multicell + { + rect = CellToRect( row + cell_rows, col + cell_cols ); + rect.x = dc.LogicalToDeviceX( rect.x ); + rect.y = dc.LogicalToDeviceY( rect.y ); + rect.width = dc.LogicalToDeviceXRel( rect.width ); + rect.height = dc.LogicalToDeviceYRel( rect.height ) - 1; + clippedcells.Subtract( rect ); + } + } + } + + dc.SetDeviceClippingRegion( clippedcells ); + + DoDrawGridLines(dc, + top, left, top + height, left + width, + topLeft.GetRow(), topLeft.GetCol(), + bottomRight.GetRow(), bottomRight.GetCol()); + + dc.DestroyClippingRegion(); +} + // This is used to redraw all grid lines e.g. when the grid line colour // has been changed // @@ -5399,9 +5774,22 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) ) dc.SetDeviceClippingRegion( clippedcells ); + DoDrawGridLines(dc, + top, left, bottom, right, + topRow, leftCol, m_numRows, m_numCols); + dc.DestroyClippingRegion(); +} + +void +wxGrid::DoDrawGridLines(wxDC& dc, + int top, int left, + int bottom, int right, + int topRow, int leftCol, + int bottomRow, int rightCol) +{ // horizontal grid lines - for ( int i = internalYToRow(top); i < m_numRows; i++ ) + for ( int i = topRow; i < bottomRow; i++ ) { int bot = GetRowBottom(i) - 1; @@ -5416,7 +5804,7 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) ) } // vertical grid lines - for ( int colPos = leftCol; colPos < m_numCols; colPos++ ) + for ( int colPos = leftCol; colPos < rightCol; colPos++ ) { int i = GetColAt( colPos ); @@ -5435,8 +5823,6 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) ) dc.DrawLine( colRight, top, colRight, bottom ); } } - - dc.DestroyClippingRegion(); } void wxGrid::DrawRowLabels( wxDC& dc, const wxArrayInt& rows) @@ -7664,7 +8050,7 @@ void wxGrid::SetRowSize( int row, int height ) } // See comment in SetColSize - if ( height < GetRowMinimalAcceptableHeight()) + if ( height > 0 && height < GetRowMinimalAcceptableHeight()) return; if ( m_rowHeights.IsEmpty() ) @@ -7683,7 +8069,10 @@ void wxGrid::SetRowSize( int row, int height ) } if ( !GetBatchCount() ) + { CalcDimensions(); + Refresh(); + } } void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )