Re: gtk_window_set_geometry_hints woes

[Norbert Zeh <nzeh cs dal ca>]

This doesn't quite achieve what I want as it does not constrain the
geometry of the main window.  In order to ensure its child has a fixed
aspect ratio, the GtkAspectFrame introduces horizontal or vertical padding
if its own aspect ratio is different.  The ability to provide a geometry
widget to gtk_window_set_geometry_hints seems to be designed to solve
exactly the problem I'm facing, except it doesn't have the desired effect.

Cheers,
Norbert

On Fri, Oct 24, 2014 at 8:47 PM, Phil Wolff <adiabat centurylink net> wrote:

> Look at using GtkAspectFrame as the first HBox child, and put your game
> board in it.
>
>
> On 10/24/2014 02:52 PM, Norbert Zeh wrote:
>
> > Hi folks,
> >
> > I am trying to put together a simple game board window, which packs the
> > game board on the left and a button panel on the right.  The top-level
> > container within the window is an HBox.  First child of the HBox is the
> > game board, second child is a VBox containing all the buttons.  The game
> > board is set to occupy the available space as the HBox gets resized.  My
> > goal is to ensure that the top-level window can only be resized to shapes
> > that ensure the game board has an aspect ratio of 1 (i.e., is a square).
> > Now, as I understand the documentation of gtk_window_set_geometry_hints,
> > the following should just do this:
> >
> > GdkGeometry geom;
> >
> > geom.min_aspect = geom.max_aspect = 1;
> > gtk_window_set_geometry_hints(GTK_WINDOW(main_window), board, &geom,
> > GDK_HINT_ASPECT);
> >
> > However, no matter what I do, whether I do the above when the window gets
> > created or in response to a "realize" signal, whether I provide board or
> > main_window as the second argument, the result is always that the
> > main_window itself is constrained to a square aspect ratio, which due to
> > the button panel means that the board is not square.  Any pointers as to
> > what I'm doing wrong?
> >
> > I can put the entire code on pastebin if necessary.
> >
> > Thanks,
> > Norbert
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