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);
}