Which event is sent when I hit SPACE for a wxGrid with wxGridCellBoolRenderer?

[Volker Bartheld]

Hi!

Thanks for your reply.

>VB> I tried EVT_KEY_UP with WXK_SPACE, EVT_GRID_CELL_CHANGE and
>VB> EVT_GRID_CELL_LEFT_CLICK - to no avail. Theoretically, hitting SPACE in
>VB> a boolean cell should be equal to EVT_GRID_CELL_LEFT_CLICK - at least on
>VB> wxMSW the cell gets checked/unchecked.
>VB> 
>VB> But my EVT_GRID_CELL_LEFT_CLICK handler is never called.

On Tue, 26 Dec 2006 15:33:45 +0100, vadim at wxwindows.org (Vadim Zeitlin)
wrote :
> This is not surprising, it's not a left click so why should it be called?
>However EVT_GRID_CELL_CHANGE should be called when you accept the changes
>in the cell.

Actually, I wanted the value of a wxGridCellBoolRenderer cell toggle its
value by a single mouseclick on the checkbox - without displaying the
native editor first. I implemented this like below, handling
EVT_GRID_CELL_LEFT_CLICK of my derived class wxControlGrid that has a
member function that returns the nature of a cell's renderer [is there a
function in wxGrid that already does what I want?]:

 BEGIN_EVENT_TABLE(wxControlGrid,wxGrid)
 EVT_GRID_CELL_LEFT_CLICK(wxControlGrid::OnCellLClick)
 END_EVENT_TABLE()

 void wxControlGrid::OnCellLClick(wxGridEvent& event)
 {
   if(IsReadOnly(event.GetRow(), event.GetCol()))                                        // if cell is readonly, no need in showing the edit control
   {
     event.Skip();
     return;
   } // if(IsReadOnly(event.GetRow(), event.GetCol()))
   switch(GetCellRendererType(event.GetRow(), event.GetCol()))
   {
   case eRENDERER_BOOL:
     {
       // for bool renderers (checkboxes) toggling should occur for the first click
       unsigned long ul;
       if(GetCellValue(event.GetRow(), event.GetCol()).ToULong(&ul, 2))                  // was there a valid bool value in there (ULONG(0) or ULONG(1))?
         SetCellValue(event.GetRow(), event.GetCol(), int2string((int)!ul));             // then invert it
       SetCurrentCell(event.GetRow(), event.GetCol());                                   // set focus to this cell
       SelectRow(event.GetRow());                                                        // and select the row
       break;
     } // case eRENDERER_BOOL:
   } // switch(GetCellRendererType(event.GetRow(), event.GetCol()))
 }

Then, I found out that hitting the SPACE bar results in the same action
as clicking the cell. To have a common look&feel, this should be handled
like above. EVT_GRID_CELL_CHANGE is, if I understand the way it works
correctly, too late for a mission like this.

Cheers,
Volker

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