/* not virtual in wxGrid, so code copied and modified her for painting sorting icons */
void CBOINCGridCtrl::DrawColLabel( wxDC& dc, int col )
{
if ( GetColWidth(col) <= 0 || m_colLabelHeight <= 0 )
return;
int colLeft = GetColLeft(col);
wxRect rect;
int colRight = GetColRight(col) - 1;
dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
dc.DrawLine( colRight, 0,
colRight, m_colLabelHeight-1 );
dc.DrawLine( colLeft, 0, colRight, 0 );
dc.DrawLine( colLeft, m_colLabelHeight-1,
colRight+1, m_colLabelHeight-1 );
dc.SetPen( *wxWHITE_PEN );
dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight-1 );
dc.DrawLine( colLeft, 1, colRight, 1 );
dc.SetBackgroundMode( wxTRANSPARENT );
dc.SetTextForeground( GetLabelTextColour() );
dc.SetFont( GetLabelFont() );
int hAlign, vAlign, orient;
GetColLabelAlignment( &hAlign, &vAlign );
orient = GetColLabelTextOrientation();
rect.SetX( colLeft + 2 );
rect.SetY( 2 );
rect.SetWidth( GetColWidth(col) - 4 );
rect.SetHeight( m_colLabelHeight - 4 );
DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign, orient );
//paint sorting indicators, if needed
if(col == sortColumn) {
int x = rect.GetRight() - ascBitmap.GetWidth() - 2;
int y = rect.GetY();
dc.DrawBitmap(this->sortAscending ? descBitmap : ascBitmap,x,y,true);
}
}
void ctlSQLGrid::AutoSizeColumns(bool setAsMin)
{
wxCoord newSize, oldSize;
wxCoord maxSize, totalSize = 0, availSize;
int col, nCols = GetNumberCols();
int row, nRows = GetNumberRows();
colMaxSizes.Empty();
/* We need to check each cell's width to choose best. wxGrid::AutoSizeColumns()
* is good, but looping through long result sets gives a noticeable slowdown.
* Thus we'll check every first 500 cells for each column.
*/
// First pass: auto-size columns
for (col = 0 ; col < nCols; col++)
{
ColKeySizeHashMap::iterator it = colSizes.find(GetColKeyValue(col));
if (it != colSizes.end()) // Restore user-specified size
{
newSize = it->second;
colMaxSizes.Add(-1);
}
else
{
wxClientDC dc(GetGridWindow());
newSize = 0;
// get cells's width
for (row = 0 ; row < wxMin(nRows, 500) ; row++)
{
wxSize size = GetBestSize(row, col);
if ( size.x > newSize )
newSize = size.x;
}
// get column's label width
wxCoord w, h;
dc.SetFont( GetLabelFont() );
dc.GetMultiLineTextExtent( GetColLabelValue(col), &w, &h );
if ( GetColLabelTextOrientation() == wxVERTICAL )
w = h;
if ( w > newSize )
newSize = w;
if (!newSize)
newSize = GetRowLabelSize();
else
// leave some space around text
newSize += 6;
colMaxSizes.Add(newSize);
}
SetColSize(col, newSize);
totalSize += newSize;
}
availSize = GetClientSize().GetWidth() - GetRowLabelSize();
// Second pass: shrink wide columns if exceeded available width
if (totalSize > availSize)
{
// A wide column shouldn't take up more than 50% of the visible space
maxSize = availSize / 2;
for (col = 0 ; col < nCols ; col++)
{
oldSize = GetColSize(col);
// Is too wide and no user-specified size
if (oldSize > maxSize && !(col < (int)colMaxSizes.GetCount() && colMaxSizes[col] == -1))
{
totalSize -= oldSize;
/* Shrink wide column to maxSize.
* If the rest of the columns are short, make sure to use all the remaining space,
* but no more than oldSize (which is enough according to first pass)
*/
newSize = wxMin(oldSize, wxMax(maxSize, availSize - totalSize));
SetColSize(col, newSize);
totalSize += newSize;
}
}
}
}