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split wxEVT_GRID_CELL_CHANGE into wxEVT_GRID_CELL_CHANGING/ED pair for consistency with all the other controls; provide access to new/old value of the cell in the event object

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57505 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-12-22 22:58:49 +00:00
parent 1a8a13ee88
commit 763163a80a
9 changed files with 292 additions and 142 deletions
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29
samples/grid/griddemo.cpp
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@@ -133,6 +133,7 @@ BEGIN_EVENT_TABLE( GridFrame, wxFrame )
EVT_GRID_COL_SIZE( GridFrame::OnColSize )
EVT_GRID_SELECT_CELL( GridFrame::OnSelectCell )
EVT_GRID_RANGE_SELECT( GridFrame::OnRangeSelected )
EVT_GRID_CELL_CHANGING( GridFrame::OnCellValueChanging )
EVT_GRID_CELL_CHANGE( GridFrame::OnCellValueChanged )
EVT_GRID_CELL_BEGIN_DRAG( GridFrame::OnCellBeginDrag )
@@ -1059,13 +1060,36 @@ void GridFrame::OnRangeSelected( wxGridRangeSelectEvent& ev )
ev.Skip();
}
void GridFrame::OnCellValueChanging( wxGridEvent& ev )
{
int row = ev.GetRow(),
col = ev.GetCol();
wxLogMessage("Value of cell at (%d, %d): about to change "
"from \"%s\" to \"%s\"",
row, col,
grid->GetCellValue(row, col), ev.GetString());
// test how vetoing works
if ( ev.GetString() == "42" )
{
wxLogMessage("Vetoing the change.");
ev.Veto();
return;
}
ev.Skip();
}
void GridFrame::OnCellValueChanged( wxGridEvent& ev )
{
int row = ev.GetRow(),
col = ev.GetCol();
wxLogMessage(_T("Value changed for cell at row %d, col %d: now \"%s\""),
row, col, grid->GetCellValue(row, col).c_str());
wxLogMessage("Value of cell at (%d, %d) changed and is now \"%s\" "
"(was \"%s\")",
row, col,
grid->GetCellValue(row, col), ev.GetString());
ev.Skip();
}
@@ -1969,4 +1993,3 @@ void GridFrame::OnTabularTable(wxCommandEvent&)
{
new TabularGridFrame;
}