Re: [Fxruby-users] FXTable manipulation

[Tom <tku...@so...>]

Lyle,

Thanks a ton.  These solutions worked great.  BTW, Is there a way to set 
font color for a particular cell?

Thanks,
Tom


Lyle Johnson wrote:

> Tom wrote:
>
>> I'm a newbie to fox and FXRuby.  I have 3 table problems I can't solve:
>>
>> 1.) I'd like to turn off the ability to select particular cells, ie 
>> the equivalent of FXTableItem.disable(). I attempt to use "disable" 
>> but keep getting the error that it's an unknown method.
>
>
> There's no direct way to disable table items, but you can intercept 
> the SEL_LEFTBUTTONPRESS and SEL_LEFTBUTTONRELEASE messages that the 
> FXTable sends to its target in order to ignore mouse clicks on certain 
> cells, e.g.
>
>     # Catch left-button press from table
>     @table.connect(SEL_LEFTBUTTONPRESS) do |sender, sel, event|
>       # Get row and column for clicked cell
>       row = @table.rowAtY(event.win_y)
>       col = @table.colAtX(event.win_x)
>
>       # If this cell is enabled, return zero (i.e. have the
>       # block evaluate to zero) so that the table's normal
>       # processing of the left-button press event will kick in.
>       # If this cell is disabled, return non-zero to indicate
>       # that we've completely handled the event; in this case,
>       # the cell shouldn't get "selected".
>       #
>       result = tableItemEnabled(row, col) ? 0 : 1
>     end
>
>     # Catch left-button release from table
>     @table.connect(SEL_LEFTBUTTONRELEASE) do |sender, sel, event|
>       # Get row and column for clicked cell
>       row = @table.rowAtY(event.win_y)
>       col = @table.colAtX(event.win_x)
>
>       # If this cell is enabled, return zero (i.e. have the
>       # block evaluate to zero) so that the table's normal
>       # processing of the left-button press event will kick in.
>       # If this cell is disabled, return non-zero to indicate
>       # that we've completely handled the event; in this case,
>       # the cell shouldn't get "selected".
>       #
>       result = tableItemEnabled(row, col) ? 0 : 1
>     end
>
>> 2.)I'd also to make it so that a click on any cell in a row selects 
>> that entire row.
>
>
> Something like this should work:
>
>     @table.connect(SEL_COMMAND) do |sender, sel, tablePos|
>       @table.setAnchorItem(tablePos.row, 0)
>       @table.extendSelection(tablePos.row, @table.numCols-1, true)
>     end
>
>> 3.)  I can't seem to figure out how to tell a particular FXTableItem 
>> how to respond to events.  What I have is a table, and several 
>> buttons outside of the table.  When the user dbl-clicks a cell, I 
>> want it to be the same thing as selecting a particular cell and 
>> hitting my "edit" button.
>
>
> Something like this should work:
>
>     @table.connect(SEL_DOUBLECLICKED) do |sender, sel, tablePos|
>       editThisCell(tablePos.row, tablePos.col)
>     end
>
> Hope this helps,
>
> Lyle