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         public static int main () {
  51                 stdout.printf ("Signal Test: 1");
  52
  53                 var bar = new Bar ();
  54                 bar.run ();
  55
  56                 stdout.printf (" 10\n");
  57
  58                 stdout.printf ("User Signal Test: 1");
  59
  60                 var user_bar = new UserBar ();
  61                 user_bar.run ();
  62
  63                 stdout.printf (" 6\n");
  64
  65                 stdout.printf ("Signal Return Test: 1");
  66
  67                 var return_bar = new ReturnBar ();
  68                 return_bar.run ();
  69
  70                 stdout.printf (" 8\n");
  71
  72                 return 0;
  73         }
  74 }
  75
  76 class Maman.UserFoo : Object {
  77         public signal void activated (int i1, int i2);
  78
  79         public void do_action () {
  80                 activated (6, -2);
  81         }
  82 }
  83
  84 class Maman.UserBar : Object {
  85         public void run () {
  86                 stdout.printf (" 2");
  87
  88                 var foo = new UserFoo ();
  89
  90                 foo.activated.connect ((foo, i1, i2) => {
  91                         stdout.printf (" %d", i1 + i2);
  92                 });
  93
  94                 stdout.printf (" 3");
  95
  96                 foo.do_action ();
  97
  98                 stdout.printf (" 5");
  99         }
 100 }
 101
 102 class Maman.ReturnFoo : Object {
 103         public signal int int_activated (int arg);
 104         public signal string string_activated (string arg);
 105 }
 106
 107 class Maman.ReturnBar : Object {
 108         public void run () {
 109                 stdout.printf (" 2");
 110
 111                 var foo = new ReturnFoo ();
 112
 113                 foo.int_activated.connect ((foo, arg) => {
 114                         stdout.printf (" %d", arg);
 115                         return arg + 1;
 116                 });
 117
 118                 foo.string_activated.connect ((foo, arg) => {
 119                         stdout.printf (arg);
 120                         return " 6";
 121                 });
 122
 123                 stdout.printf (" %d", foo.int_activated (3));
 124
 125                 stdout.printf (foo.string_activated (" 5"));
 126
 127                 stdout.printf (" 7");
 128         }
 129 }
 130
 131 void main () {
 132         Maman.Bar.main ();
 133 }
 134