src/examples/signals-messages.edc

   1 #define MSG_COLOR 1
   2 #define MSG_TEXT 2
   3
   4 collections {
   5    group {
   6       name: "example_group";
   7
   8       parts {
   9          part {
  10             name: "part_right";
  11             type: RECT;
  12             clip_to: "part_right_clipper";
  13             description {
  14                min: 50 50;
  15                max: 50 50;
  16                state: "default" 0.0;
  17                color: 0 0 255 255; /* blue */
  18                rel1.relative: 1.0 0.5;
  19                rel1.offset: -49 0;
  20                rel2.relative: 1.0 0.5;
  21             }
  22          }
  23
  24          part {
  25             name: "part_left";
  26             type: RECT;
  27             description {
  28                color_class: "cc";
  29                min: 50 50;
  30                max: 50 50;
  31                state: "default" 0.0;
  32                rel1.relative: 0.0 0.5;
  33                rel2.relative: 0.0 0.5;
  34                rel2.offset: 50 -1;
  35             }
  36          }
  37
  38          part {
  39             name: "text";
  40             type: TEXT;
  41             description {
  42                min: 150 50;
  43                max: 150 50;
  44                fixed: 1 1;
  45                color: 0 0 0 255;
  46                state: "default" 0.0;
  47                rel1.relative: 0.5 0.5;
  48                rel2.relative: 0.5 0.5;
  49                text {
  50                   font:     "Sans";
  51                   size:     20;
  52                   min:      1 1;
  53                   align:    0.5 0.5;
  54                }
  55             }
  56          }
  57
  58          part {
  59             name: "part_right_clipper";
  60             type: RECT;
  61             repeat_events: 1;
  62
  63             description {
  64                min: 50 50;
  65                max: 50 50;
  66
  67                state: "default" 0.0;
  68                rel1.relative: 1.0 0.5;
  69                rel1.offset: -49 0;
  70                rel2.relative: 1.0 0.5;
  71             }
  72
  73             description {
  74                state: "hidden" 0.0;
  75                inherit: "default" 0.0;
  76                visible: 0;
  77             }
  78          }
  79       }
  80
  81       script {
  82         public global_str0;
  83         public global_str1;
  84         public global_str2;
  85         public str_idx;
  86
  87         public set_text_string() {
  88            new tmp[1024];
  89            new idx;
  90            idx = get_int(str_idx);
  91
  92            if (idx == 0)
  93               get_str(global_str0, tmp, 1024);
  94            else if (idx == 1)
  95               get_str(global_str1, tmp, 1024);
  96            else if (idx == 2)
  97               get_str(global_str2, tmp, 1024);
  98               else return;
  99
 100            set_text(PART:"text", tmp);
 101            send_message(MSG_STRING, MSG_TEXT, tmp);
 102         }
 103
 104         public message(Msg_Type:type, id, ...) {
 105            if ((type == MSG_INT_SET) && (id == MSG_COLOR)) {
 106                new r, g, b, a;
 107
 108                r = getarg(2);
 109                g = getarg(3);
 110                b = getarg(4);
 111                a = getarg(5);
 112
 113                set_color_class("cc", r, g, b, a);
 114            }
 115         }
 116       }
 117
 118       programs {
 119          program {
 120             name: "bootstrap";
 121             signal: "load";
 122             source: "";
 123             script {
 124                set_str(global_str0, "String one");
 125                set_str(global_str1, "String two");
 126                set_str(global_str2, "String three");
 127                set_int(str_idx, 0);
 128                set_text_string();
 129             }
 130          }
 131
 132          program { /* custom signal */
 133             name: "part_right,hovered";
 134             signal: "mouse,move";
 135             source: "part_right";
 136             action: SIGNAL_EMIT "mouse,over" "part_right";
 137          }
 138
 139          program { /* hide right rectangle */
 140             name: "part_right,hide";
 141             signal: "part_right,hide";
 142             source: "";
 143             action: STATE_SET "hidden" 0.0;
 144             target: "part_right_clipper";
 145          }
 146
 147          program {
 148             name: "part_right,show";
 149             signal: "part_right,show";
 150             source: "";
 151             action: STATE_SET "default" 0.0;
 152             target: "part_right_clipper";
 153          }
 154
 155          program { /* change text part's string value */
 156             name: "text,change";
 157             signal: "mouse,clicked,1";
 158             source: "part_left";
 159             script {
 160                new idx;
 161                idx = get_int(str_idx);
 162                idx = idx + 1;
 163
 164                if (idx > 2)
 165                   set_int(str_idx, 0);
 166                else
 167                   set_int(str_idx, idx);
 168
 169                set_text_string();
 170             }
 171          }
 172       }
 173    }
 174 }