fxruby-users

[Fxruby-users] FXTable manipulation

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

Hi,

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.

2.)I'd also to make it so that a click on any cell in a row selects that 
entire row.

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.

I've grepped my way through the fox docs, hoping to find a way to do 
what I need to do, but to no avail.

Any help or pointers to help will be greatly appreciated,
Tom

Re: [Fxruby-users] FXTable manipulation

[Lyle J. <jl...@cf...>]

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

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 

Re: [Fxruby-users] FXTable manipulation

[Lyle J. <jl...@cf...>]

Tom wrote:

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

Ummm, answered that question on this mailing list just yesterday, Tom ;)

Re: [Fxruby-users] FXTable manipulation

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

DOH!

Sorry...  Got it.  I'll use the stippling to highlight it instead.

Tom

Lyle Johnson wrote:

> Tom wrote:
>
>> Thanks a ton.  These solutions worked great.  BTW, Is there a way to 
>> set font color for a particular cell?
>
>
> Ummm, answered that question on this mailing list just yesterday, Tom ;)
>
>