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wxGridCellAttr::Clone() added to allow the demo of custom grid cell attr provider to work

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6339 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-02-28 19:08:01 +00:00
parent 3f5513f5bb
commit a68c1246db
4 changed files with 116 additions and 4 deletions
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64
samples/newgrid/griddemo.cpp
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@@ -698,10 +698,50 @@ void MyGridCellRenderer::Draw(wxGrid& grid,
dc.DrawEllipse(rect);
}
// ----------------------------------------------------------------------------
// MyGridCellAttrProvider
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
MyGridCellAttrProvider::MyGridCellAttrProvider()
{
m_attrForOddRows = new wxGridCellAttr;
m_attrForOddRows->SetBackgroundColour(*wxLIGHT_GREY);
}
MyGridCellAttrProvider::~MyGridCellAttrProvider()
{
m_attrForOddRows->DecRef();
}
wxGridCellAttr *MyGridCellAttrProvider::GetAttr(int row, int col) const
{
wxGridCellAttr *attr = wxGridCellAttrProvider::GetAttr(row, col);
if ( row % 2 )
{
if ( !attr )
{
attr = m_attrForOddRows;
attr->IncRef();
}
else
{
if ( !attr->HasBackgroundColour() )
{
wxGridCellAttr *attrNew = attr->Clone();
attr->DecRef();
attr = attrNew;
attr->SetBackgroundColour(*wxLIGHT_GREY);
}
}
}
return attr;
}
// ============================================================================
// BigGridFrame and BigGridTable: Sample of a non-standard table
// ----------------------------------------------------------------------------
// ============================================================================
BigGridFrame::BigGridFrame(long sizeGrid)
: wxFrame(NULL, -1, "Plugin Virtual Table",
@@ -709,6 +749,11 @@ BigGridFrame::BigGridFrame(long sizeGrid)
{
m_grid = new wxGrid(this, -1, wxDefaultPosition, wxDefaultSize);
m_table = new BigGridTable(sizeGrid);
// VZ: I don't understand why this slows down the display that much,
// must profile it...
//m_table->SetAttrProvider(new MyGridCellAttrProvider);
m_grid->SetTable(m_table, TRUE);
#if defined __WXMOTIF__
@@ -719,8 +764,12 @@ BigGridFrame::BigGridFrame(long sizeGrid)
#endif
}
// ----------------------------------------------------------------------------
// ============================================================================
// BugsGridFrame: a "realistic" table
// ============================================================================
// ----------------------------------------------------------------------------
// bugs table data
// ----------------------------------------------------------------------------
enum Columns
@@ -789,6 +838,10 @@ static const wxChar *headers[Col_Max] =
_T("Opened?"),
};
// ----------------------------------------------------------------------------
// BugsGridTable
// ----------------------------------------------------------------------------
wxString BugsGridTable::GetTypeName(int WXUNUSED(row), int col)
{
switch ( col )
@@ -992,12 +1045,17 @@ BugsGridTable::BugsGridTable()
{
}
// ----------------------------------------------------------------------------
// BugsGridFrame
// ----------------------------------------------------------------------------
BugsGridFrame::BugsGridFrame()
: wxFrame(NULL, -1, "Bugs table",
wxDefaultPosition, wxSize(500, 300))
{
wxGrid *grid = new wxGrid(this, -1, wxDefaultPosition);
wxGridTableBase *table = new BugsGridTable();
table->SetAttrProvider(new MyGridCellAttrProvider);
grid->SetTable(table, TRUE);
wxGridCellAttr *attrRO = new wxGridCellAttr,