struct Gtk::SpinButton::OutputSignal

• Gtk::SpinButton::OutputSignal
• GObject::Signal
• Struct
• Value
• Object

Overview

Emitted to tweak the formatting of the value for display.

WARNING ⚠️ The following code is in c ⚠️

// show leading zeros
static gboolean
on_output (Gtk::SpinButton *spin,
           gpointer       data)
{
   Gtk::Adjustment *adjustment;
   char *text;
   int value;

   adjustment = gtk_spin_button_get_adjustment (spin);
   value = (int)gtk_adjustment_get_value (adjustment);
   text = g_strdup_printf ("%02d", value);
   gtk_editable_set_text (GTK_EDITABLE (spin), text):
   g_free (text);

   return TRUE;
}

Defined in:

lib/gi-crystal/src/auto/gtk-4.0/spin_button.cr

Instance Method Summary

• #connect(*, after : Bool = false, &block : Proc(Bool)) : GObject::SignalConnection
• #connect(handler : Proc(Bool), *, after : Bool = false) : GObject::SignalConnection
• #connect(handler : Proc(Gtk::SpinButton, Bool), *, after : Bool = false) : GObject::SignalConnection
• #emit : Nil
• #name : String

  The signal name

Instance Method Detail