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 Post subject: Getting problem in using GtkAlignment
PostPosted: Thu Jan 23, 2014 10:27 am 

Joined: Sat Dec 21, 2013 10:04 am
Posts: 4

I am new to GTK+ world and trying to learn it from Foundations of GTK+ Development.

Mean while I am getting some problem in using GtkAlignment widget, as in the code below.

Even if I change the value of either one of the below I am not getting the Ok and calcel button getting aligned to right.

    GtkWidget* halign = gtk_alignment_new(0, 0, 0, 0);
    GtkWidget* halign = gtk_alignment_new(0, 1, 0, 0);

I think I am missing something.

Note: I am using GTK+3 on windows 7


int main(int argc, char* argv[]) {
    gtk_init(&argc, &argv);

    GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(window), "Gtk Alignment Sample");
    gtk_container_set_border_width(GTK_CONTAINER(window), 5);
    gtk_widget_set_size_request(window, 250, 400);
    g_signal_connect(window, "delete_event", G_CALLBACK(gtk_main_quit), NULL);

    GtkWidget* ok_button = gtk_button_new_from_stock(GTK_STOCK_OK);
    GtkWidget* cancel_button = gtk_button_new_from_stock(GTK_STOCK_CANCEL);

    GtkWidget* hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
    gtk_box_pack_start(GTK_BOX(hbox), ok_button,     FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(hbox), cancel_button, FALSE, FALSE, 0);

    GtkWidget* halign = gtk_alignment_new(0, 0, 0, 0);
    gtk_container_add(GTK_CONTAINER(halign), hbox);

    GtkWidget* vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
    gtk_box_pack_start(GTK_BOX(vbox), halign, FALSE, FALSE, 0);

    GtkWidget* valign = gtk_alignment_new(0, 1, 0, 0);
    gtk_container_add(GTK_CONTAINER(valign), vbox);

    gtk_container_add(GTK_CONTAINER(window), valign);

    return 0;

 Post subject: Re: Getting problem in using GtkAlignment
PostPosted: Fri Jan 24, 2014 2:54 am 
GTK+ Guru

Joined: Fri Mar 25, 2011 5:16 pm
Posts: 181
Location: USA
Don't use GtkAlignment in new code:
Note that the desired effect can in most cases be achieved by using the "halign", "valign" and "margin" properties on the child widget, so GtkAlignment should not be used in new code.

Also Gtkbox is eventually going away. The manual suggests you use GtkGrid instead.

Migrating from other containers to GtkGrid:

I used gtk_widget_set_halign and gtk_widget_set_valign in the Signals I and II tutorials:

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