CODEWITHSUNDEEP
cxmllinuxgtkglade
pdm
pdm

Reputation: 1107

Glade layout not reflecting when compiled / GTK_IS_APPLICATION assertion failed

Running through chapter 10's tutorial code in the GTK+ book, I've run into the following inconsistency between glade and the interpreted output. What it looks like to me is that the toolbar (which is the 1st element in a vertically aligned box) is set to expand, but I specifically disabled that and instead enabled it for the GtkTreeView, which is the 3rd element in that same vbox.

Glade:

glade screenshot

App:

app screenshot

This is the relevant Glade XML

<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated with glade 3.18.3 -->
<interface>
  <requires lib="gtk+" version="3.12"/>
      [...]
      <object class="GtkToolbar" id="toolbar1">
        <property name="visible">True</property>
        <property name="can_focus">False</property>
        <property name="margin_bottom">123</property>
        <property name="toolbar_style">both</property>
        <property name="show_arrow">False</property>
        <property name="icon_size">2</property>
      </object>
      <packing>
        <property name="expand">False</property>
        <property name="fill">False</property>
        <property name="position">0</property>
      </packing>
      [...]
</interface>

Which is being loaded by this simple main():

void on_back_clicked(GtkToolButton *button);
void on_forward_clicked(GtkToolButton *button);
void on_up_clicked(GtkToolButton *button);
void on_refresh_clicked(GtkToolButton *button);
void on_home_clicked(GtkToolButton *button);
void on_delete_clicked(GtkToolButton *button);
void on_information_clicked(GtkToolButton *button);
void on_go_clicked(GtkToolButton *button);
void on_location_activate(GtkEntry *entry);
void on_row_activated(GtkTreeView *treeview, GtkTreePath *treepath, GtkTreeViewColumn *column);

int main(int argc, char *argv[])
{
    GtkWidget *window;
    GtkBuilder *builder;

    gtk_init(&argc, &argv);
    builder = gtk_builder_new_from_file("browser.glade");
    window = GTK_WIDGET(gtk_builder_get_object(builder, "applicationwindow1"));

    gtk_builder_connect_signals(builder, NULL);

    gtk_widget_show_all(window);
    gtk_main();

    return 0;
}

I also get the following error when the application is run:

(browser:4672): Gtk-CRITICAL **: gtk_application_get_menubar: assertion 'GTK_IS_APPLICATION (application)' failed

Any hints as to what's going on here on either one?

Upvotes: 0

Views: 449

Answers (1)

pdm
pdm

Reputation: 1107

Well, that was silly. As anyone reading now can probably see, I managed to add a 123 pixel bottom margin without noticing somehow. This was my first time using Glade and I was a little tired, so I was quick to panic.

Anyway, thanks to ptomato and drahnr for pointing me in the right directions.

Upvotes: 1

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