Re: GTKD - Attach Button to Grid in specific column and row

[TheDGuy via Digitalmars-d-learn]

On Saturday, 11 June 2016 at 21:14:43 UTC, Mike Wey wrote:
The way GTK manages width and height, usually widgets are given 
the minimum size they need. So when the button is the only 
widget in the grid the other rows and columns have a 
height/width of 0.

You can force the button / gird cell to the bottom left by 
setting the expand and alignment properties of the button.

this(int width, int height, string title){
        super(title);
        setDefaultSize(width,height);

        Button btn = new Button();
        btn.setSizeRequest(25,25);
        btn.setLabel("Exit");
        btn.setVexpand(true);
        btn.setHexpand(true);
        btn.setHalign(Align.END);
        btn.setValign(Align.END);
        auto call = &enterEvent;
        btn.addOnEnterNotify(call);
        btn.addOnLeaveNotify(call);

        Grid grid = new Grid();
        grid.setColumnSpacing(6);
        grid.setRowSpacing(6);
        grid.attach(btn,3,3,1,1);
        add(grid);

        showAll();
    }

Thanks for your reply, but now the button is always on the bottom 
right :(

    this(int width, int height, string title){
        super(title);
        setDefaultSize(width,height);

        Button btn = new Button();
        btn.setSizeRequest(25,25);
        btn.setLabel("Exit");
        btn.setVexpand(true);
        btn.setHexpand(true);
        btn.setHalign(Align.END);
        btn.setValign(Align.END);

        Grid grid = new Grid();
        grid.setColumnSpacing(6);
        grid.setRowSpacing(6);
        grid.attach(btn,4,4,1,1);
        add(grid);
        showAll();
    }