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Font adjustment tries (cheaply) to account for newlines

package.json

@@ -21,7 +21,10 @@
     },
     "projectType": "native",
     "uuid": "70ec170a-8e1b-11ea-bc55-0242ac130003",
-    "messageKeys": {},
+    "messageKeys": {
+        "ScriptNum": 0,
+        "ScriptText": 1
+    },
     "enableMultiJS": false,
     "displayName": "PebbLisp",
     "watchapp": {
@@ -38,4 +41,4 @@
     ]
   },
   "name": "PebbLisp"
-}
+}

src/calc.c

@@ -64,10 +64,15 @@ static const int smallestFont = 3;
 static void adjustFont()
 {
     int i = 0;
-    while(temptext[i++]) {}
+    int size = 0;
-    int f = i < 50 ? smallestFont - 3 :
+    while(temptext[i++]) {
-            i < 100 ? smallestFont - 2 :
+        if(temptext[i] == '\n')
-            i < 130 ? smallestFont - 1 :
+            size += 10;
+        size++;
+    }
+    int f = size < 50 ? smallestFont - 3 :
+            size < 100 ? smallestFont - 2 :
+            size < 130 ? smallestFont - 1 :
             smallestFont;
     text_layer_set_font(s_input_text_layer,
             fonts_get_system_font(fonts[f]));
@@ -321,6 +326,16 @@ Object add_window(Object obj1, Object obj2, struct Environment *env)
     return numberObject(1);
 }
 
+static void inbox_received_callback(DictionaryIterator *iter, void *context) {
+    Tuple *script_tuple = dict_find(iter, MESSAGE_KEY_ScriptText);
+    if(script_tuple) {
+        char *script_text = script_tuple->value->cstring;
+        snprintf(temptext, sizeof(temptext), "%s", script_text);
+        snprintf(mytext, sizeof(mytext), "%s", script_text);
+        updateText();
+    }
+}
+
 /** General **/
 
 static struct Environment pebbleEnv()
@@ -341,6 +356,8 @@ static void init(void)
         .unload = menu_unload
     });
     window_stack_push(s_menu_window, true);
+    app_message_open(inbox_size, outbox_size);
+    app_message_register_inbox_received(inbox_received_callback);
 }
 
 static void deinit(void)

src/calc.h

@@ -64,6 +64,9 @@ const char *func_tokens[] = {
     "sq ", "cube ", "exp "
 };
 
+const uint32_t inbox_size = 1024;
+const uint32_t outbox_size = 64;
+
 bool using_func_tokens = false;
 
 #endif