wxSize wxGridCellAutoWrapStringRenderer::GetBestSize(wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, int row, int col) { wxCoord x,y, height , width = grid.GetColSize(col) -20; // for width, subtract 20 because ColSize includes a magin of 10 pixels // that we do not want here and because we always start with an increment // by 10 in the loop below. int count = 250; //Limit iterations.. wxRect rect(0,0,width,10); // M is a nice large character 'y' gives descender!. dc.GetTextExtent(wxT("My"), &x, &y); do { width+=10; rect.SetWidth(width); height = y * (wx_truncate_cast(wxCoord, GetTextLines(grid,dc,attr,rect,row,col).GetCount())); count--; // Search for a shape no taller than the golden ratio. } while (count && (width < (height*1.68)) ); return wxSize(width,height); }
wxSize wxGridCellAutoWrapStringRenderer::GetBestSize(wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, int row, int col) { wxCoord x,y, height , width = grid.GetColSize(col) -10; int count = 250; //Limit iterations.. wxRect rect(0,0,width,10); // M is a nice large character 'y' gives descender!. dc.GetTextExtent(wxT("My"), &x, &y); do { width+=10; rect.SetWidth(width); height = y * (wx_truncate_cast(wxCoord, GetTextLines(grid,dc,attr,rect,row,col).GetCount())); count--; // Search for a shape no taller than the golden ratio. } while (count && (width < (height*1.68)) ); return wxSize(width,height); }
void CellRenderer::Draw(wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, const wxRect& rect, int row, int col, bool isSelected) { dc.SetClippingRegion(rect); wxGridCellStringRenderer::Draw(grid, attr, dc, rect, row, col, false); if( m_Renderer != NULL && imageName != NULL && StrOp.len(imageName) > 0 ) { int cx = 0; int cy = 0; if( imageBitmap == NULL ) { wxMemoryDC tmpDC; m_Renderer->sizeSvgSym( imageName, wItem.west, &cx, &cy ); if( imageBitmap != NULL ) delete imageBitmap; imageBitmap = new wxBitmap(); imageBitmap->Create(cx * 32 * m_Scale, cy * 32 * m_Scale , -1); tmpDC.SelectObject(*imageBitmap); tmpDC.SetBackground(*wxWHITE_BRUSH); tmpDC.Clear(); tmpDC.SetUserScale( m_Scale, m_Scale ); m_Renderer->drawSvgSym( (wxPaintDC&)tmpDC, 0, 0, imageName, wItem.west, &cx, &cy ); tmpDC.SelectObject(wxNullBitmap); m_RowSize = cy * 32 * m_Scale + 4; if( grid.GetColSize(col) < cx * 32 * m_Scale ) grid.SetColSize(col, cx * 32 * m_Scale ); if( grid.GetRowSize(row) < m_RowSize ) grid.SetRowSize(row, m_RowSize ); TraceOp.trc( "cellrenderer", TRCLEVEL_DEBUG, __LINE__, 9999, "image: %s dc=%X row=%d col=%d cx=%d cy=%d rowsize=%d", imageName, &dc, row, col, cx, cy, m_RowSize ); } dc.DrawBitmap(*imageBitmap, rect.x, rect.y + 2); } else if( imageName != NULL && StrOp.len(imageName) > 0 ) { if( imageBitmap == NULL ) updateImage(rect); if( imageBitmap != NULL ) { dc.DrawBitmap(*imageBitmap, rect.x, rect.y); if( !m_bDidResize ) { grid.AutoSizeColumn(col); m_bDidResize = true; } } } dc.DestroyClippingRegion(); }
//------------------------------------------------------------------------------ // custom renderer //------------------------------------------------------------------------------ void CustomRenderer::Draw(wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, const wxRect& rect, int row, int col, bool isSelected) { dc.SetPen(wxPen(attr.GetBackgroundColour(), 1)); dc.SetBrush(wxBrush( attr.GetBackgroundColour(), wxBRUSHSTYLE_SOLID )); dc.DrawRectangle( rect ); if( m_IsDigit || m_dDir == GRIB_NOTDEF ) { //digital format wxString text(wxEmptyString); if( m_dDir != GRIB_NOTDEF ) text.Printf(_T("%03d\u00B0"), (int)m_dDir); dc.DrawLabel(text, rect, wxALIGN_CENTER_HORIZONTAL | wxALIGN_CENTER_VERTICAL); } else { //graphical format double si = sin( (m_dDir - 90) * M_PI / 180. ); double co = cos( (m_dDir - 90) * M_PI / 180. ); int i = rect.GetTopLeft().x + (rect.GetWidth() / 2); int j = rect.GetTopLeft().y + (rect.GetHeight() / 2); int arrowSize = rect.GetHeight() - 3; int dec = -arrowSize / 2; #if wxUSE_GRAPHICS_CONTEXT wxGraphicsContext *gdc; wxClientDC *cdc = new wxClientDC(wxDynamicCast( &grid, wxWindow)); cdc = wxDynamicCast(&dc, wxClientDC); if( cdc ) { gdc = wxGraphicsContext::Create(*cdc); #ifdef __WXGTK__ /*platforms don't manage the same way the gdc origin for linux, we have to re-compute the good one. To DO : verify it works on all other plateforms (done for MSW*/ bool vis = false; int r = 0; for( int c = 0; c < grid.GetNumberCols(); c++){ for(r = 0; r < grid.GetNumberRows(); r++) { if(grid.IsVisible(r, c)){ //find the first row/col vis = true; i -= (c * grid.GetColSize(0)); j -= (r * grid.GetRowHeight(0)); break; } } if(vis) break; } #endif gdc->SetPen(wxPen(attr.GetTextColour(), 3)); gdc->SetBrush(wxBrush( attr.GetBackgroundColour(), wxBRUSHSTYLE_SOLID )); double ii, jj, kk, ll; GetArrowsPoints( si, co, i, j, dec, 0, dec + arrowSize, 0, ii, jj, kk, ll ); gdc->StrokeLine( ii, jj, kk, ll ); GetArrowsPoints( si, co, i, j, dec - 3, 0, dec + 5, 3, ii, jj, kk, ll ); gdc->StrokeLine( ii, jj, kk, ll ); GetArrowsPoints( si, co, i, j, dec - 3, 0, dec + 5, -3, ii, jj, kk, ll ); gdc->StrokeLine( ii, jj, kk, ll ); delete gdc; } else #endif { dc.SetPen(wxPen(attr.GetTextColour(), 3)); double ii, jj, kk, ll; GetArrowsPoints( si, co, i, j, dec, 0, dec + arrowSize, 0, ii, jj, kk, ll ); dc.DrawLine( (int)ii, (int)jj, (int)kk, (int)ll ); GetArrowsPoints( si, co, i, j, dec - 3, 0, dec + 5, 3, ii, jj, kk, ll ); dc.DrawLine( (int)ii, (int)jj, (int)kk, (int)ll ); GetArrowsPoints( si, co, i, j, dec - 3, 0, dec + 5, -3, ii, jj, kk, ll ); dc.DrawLine( (int)ii, (int)jj, (int)kk, (int)ll ); } } }
void wxGridCellStringRenderer::Draw(wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, const wxRect& rectCell, int row, int col, bool isSelected) { wxRect rect = rectCell; rect.Inflate(-1); // erase only this cells background, overflow cells should have been erased wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected); int hAlign, vAlign; attr.GetAlignment(&hAlign, &vAlign); int overflowCols = 0; if (attr.GetOverflow()) { int cols = grid.GetNumberCols(); int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth(); int cell_rows, cell_cols; attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <= 0 if ((best_width > rectCell.width) && (col < cols) && grid.GetTable()) { int i, c_cols, c_rows; for (i = col+cell_cols; i < cols; i++) { bool is_empty = true; for (int j=row; j < row + cell_rows; j++) { // check w/ anchor cell for multicell block grid.GetCellSize(j, i, &c_rows, &c_cols); if (c_rows > 0) c_rows = 0; if (!grid.GetTable()->IsEmptyCell(j + c_rows, i)) { is_empty = false; break; } } if (is_empty) { rect.width += grid.GetColSize(i); } else { i--; break; } if (rect.width >= best_width) break; } overflowCols = i - col - cell_cols + 1; if (overflowCols >= cols) overflowCols = cols - 1; } if (overflowCols > 0) // redraw overflow cells w/ proper hilight { hAlign = wxALIGN_LEFT; // if oveflowed then it's left aligned wxRect clip = rect; clip.x += rectCell.width; // draw each overflow cell individually int col_end = col + cell_cols + overflowCols; if (col_end >= grid.GetNumberCols()) col_end = grid.GetNumberCols() - 1; for (int i = col + cell_cols; i <= col_end; i++) { clip.width = grid.GetColSize(i) - 1; dc.DestroyClippingRegion(); dc.SetClippingRegion(clip); SetTextColoursAndFont(grid, attr, dc, grid.IsInSelection(row,i)); grid.DrawTextRectangle(dc, grid.GetCellValue(row, col), rect, hAlign, vAlign); clip.x += grid.GetColSize(i) - 1; } rect = rectCell; rect.Inflate(-1); rect.width++; dc.DestroyClippingRegion(); } } // now we only have to draw the text SetTextColoursAndFont(grid, attr, dc, isSelected); grid.DrawTextRectangle(dc, grid.GetCellValue(row, col), rect, hAlign, vAlign); }