tests/objects/signals.vala

   1 using GLib;
   2
   3 class Maman.Foo : Object {
   4         public signal void activated (bool b);
   5
   6         public void do_action (bool b) {
   7                 activated (b);
   8         }
   9 }
  10
  11 class Maman.Bar : Object {
  12         void activated (Foo foo, bool b) {
  13                 if (b) {
  14                         stdout.printf (" BAD");
  15                 } else {
  16                         stdout.printf (" 5");
  17                 }
  18         }
  19
  20         public void run () {
  21                 stdout.printf (" 2");
  22
  23                 var foo = new Foo ();
  24
  25                 foo.activated.connect ((foo, b) => {
  26                         if (b) {
  27                                 stdout.printf (" 8");
  28                         } else {
  29                                 stdout.printf (" 4");
  30                         }
  31                 });
  32
  33                 foo.activated.connect (activated);
  34
  35                 stdout.printf (" 3");
  36
  37                 foo.do_action (false);
  38
  39                 stdout.printf (" 6");
  40
  41                 foo.activated.disconnect (activated);
  42
  43                 stdout.printf (" 7");
  44
  45                 foo.do_action (true);
  46
  47                 stdout.printf (" 9");
  48         }
  49 }
  50
  51 class Maman.UserFoo : Object {
  52         public signal void activated (int i1, int i2);
  53
  54         public void do_action () {
  55                 activated (6, -2);
  56         }
  57 }
  58
  59 class Maman.UserBar : Object {
  60         public void run () {
  61                 stdout.printf (" 2");
  62
  63                 var foo = new UserFoo ();
  64
  65                 foo.activated.connect ((foo, i1, i2) => {
  66                         stdout.printf (" %d", i1 + i2);
  67                 });
  68
  69                 stdout.printf (" 3");
  70
  71                 foo.do_action ();
  72
  73                 stdout.printf (" 5");
  74         }
  75 }
  76
  77 class Maman.ReturnFoo : Object {
  78         public signal int int_activated (int arg);
  79         public signal string string_activated (string arg);
  80 }
  81
  82 class Maman.ReturnBar : Object {
  83         public void run () {
  84                 stdout.printf (" 2");
  85
  86                 var foo = new ReturnFoo ();
  87
  88                 foo.int_activated.connect ((foo, arg) => {
  89                         stdout.printf (" %d", arg);
  90                         return arg + 1;
  91                 });
  92
  93                 foo.string_activated.connect ((foo, arg) => {
  94                         stdout.printf (arg);
  95                         return " 6";
  96                 });
  97
  98                 stdout.printf (" %d", foo.int_activated (3));
  99
 100                 stdout.printf (foo.string_activated (" 5"));
 101
 102                 stdout.printf (" 7");
 103         }
 104 }
 105
 106 void main () {
 107         stdout.printf ("Signal Test: 1");
 108
 109         var bar = new Maman.Bar ();
 110         bar.run ();
 111
 112         stdout.printf (" 10\n");
 113
 114         stdout.printf ("User Signal Test: 1");
 115
 116         var user_bar = new Maman.UserBar ();
 117         user_bar.run ();
 118
 119         stdout.printf (" 6\n");
 120
 121         stdout.printf ("Signal Return Test: 1");
 122
 123         var return_bar = new Maman.ReturnBar ();
 124         return_bar.run ();
 125
 126         stdout.printf (" 8\n");
 127 }
 128