GTKD - CSS class color "flash" delay

[Mike Wey via Digitalmars-d-learn]

On 06/26/2016 12:10 AM, TheDGuy wrote:
> On Saturday, 25 June 2016 at 21:57:35 UTC, TheDGuy wrote:
>> But i want to flash (e.g. change the CSS class) the buttons one by one
>> and not all at the sime time? How am i going to do that?
>
> Okay, i tried it with a new private int-variable which contains the
> current index of the for-loop, like this:
>
>     private void letButtonsFlash(){
>         foreach(Button btn;bArr){
>             btn.setSensitive(false);
>         }
>         for(int i = 0; i < level; i++){
>             index = i; //index is public
>             Button currentButton = bArr[rndButtonBlink[i]];
>             ListG list = currentButton.getStyleContext().listClasses();
>             string CSSClassName = to!string(cast(char*)list.next().data);
>             currentButton.getStyleContext().addClass(CSSClassName ~
> "-flash");
>             Timeout t = new Timeout(&timeout_delay,1,false);
>         }
>
>         foreach(Button btn;bArr){
>             btn.setSensitive(true);
>         }
>     }
>     bool timeout_delay(){
>         Button currentButton = bArr[rndButtonBlink[index]];
>         ListG list = currentButton.getStyleContext().listClasses();
>         string CSSClassName = to!string(cast(char*)list.next().data);
>         currentButton.getStyleContext().removeClass(CSSClassName ~
> "-flash");
>         return false;
>     }
>
> But now the strange thing happens, that the first button lights up as
> expected but the second button remains at its "flash color" and doesn't
> go back to normal color, i don't understand why this happens? Any ideas?

You should probably increment the index in the timeout_delay function.

-- 
Mike Wey