example 'meshtastic': add broadcast messages

examples/meshtastic/lisp/group.lisp

@@ -13,6 +13,14 @@
   "Adds passed PERSON (a PLIST) to QML item model.
   The model keys are:
   :radio-name :custom-name :node-num :unread :current"
+  (when (zerop (q< |count| ui:*group*))
+    ;; special item 'Broadcast'
+    (qjs |addPerson| ui:*group*
+         (list :radio-name lora:*broadcast-name*
+               :custom-name (tr "Broadcast")
+               :node-num lora:+broadcast-id+
+               :current (equal (app:setting :latest-receiver)
+                               lora:*broadcast-name*))))
   (qjs |addPerson| ui:*group* person))
 
 (defun clear ()
@@ -31,18 +39,20 @@
   (q> |visible| ui:*unread-messages* state))
 
 (defun set-unread (name n)
-  (qjs |setUnread| ui:*group*
-       name n)
-  (when (plusp n)
-    (set-unread-state t)))
+  (unless (string= lora:*broadcast-name* name)
+    (qjs |setUnread| ui:*group*
+         name n)
+    (when (plusp n)
+      (set-unread-state t))))
 
 (defun receiver-changed ()
   (let ((curr-name (app:setting :latest-receiver)))
-    (app:change-setting curr-name 0 :sub-key :unread-messages)
-    (set-unread curr-name 0)
-    (dolist (name (radio-names))
-      (x:when-it (app:setting name :unread-messages)
-        (unless (zerop x:it)
-          (return-from receiver-changed))))
-    (set-unread-state nil)))
+    (unless (string= lora:*broadcast-name* curr-name)
+      (app:change-setting curr-name 0 :sub-key :unread-messages)
+      (set-unread curr-name 0)
+      (dolist (name (radio-names))
+        (x:when-it (app:setting name :unread-messages)
+          (unless (zerop x:it)
+            (return-from receiver-changed))))
+      (set-unread-state nil))))
 

examples/meshtastic/lisp/lora.lisp

@@ -28,6 +28,9 @@
 
 ;;; ini/send/receive
 
+(defconstant  +broadcast-id+   #xffffffff)
+(defparameter *broadcast-name* "ffff")
+
 (defvar *config-id*       0)
 (defvar *config-complete* nil)
 (defvar *notify-id*       nil)
@@ -162,9 +165,11 @@
   (values))
 
 (defun node-to-name (num)
-  (dolist (info *node-infos*)
-    (when (= num (me:num info))
-      (return (me:short-name (me:user info))))))
+  (if (= +broadcast-id+ num)
+      *broadcast-name*
+      (dolist (info *node-infos*)
+        (when (= num (me:num info))
+          (return (me:short-name (me:user info)))))))
 
 (defun name-to-node (name)
   (dolist (info *node-infos*)

examples/meshtastic/lisp/package.lisp

@@ -26,6 +26,8 @@
   (:local-nicknames (:pr :cl-protobufs)
                     (:me :cl-protobufs.meshtastic))
   (:export
+   #:+broadcast-id+
+   #:*broadcast-name*
    #:*channel*
    #:*channels*
    #:*config-complete*

examples/meshtastic/qml/ext/Group.qml

@@ -54,27 +54,28 @@ Rectangle {
 
     function addPerson(person) {
       // insert sorted
-      var i = 0;
+      var i = 1; // 0 is broadcast
+      var broadcast = (count === 0)
       for (; i < count; i++) {
         if (person.customName < get(i).customName) {
           insert(i, person)
           break
         }
       }
-      if (i === count) {
+      if (broadcast || (i === count)) {
         append(person)
       }
 
       if (person.current) {
-        view.currentIndex = i
+        view.currentIndex = broadcast ? 0 : i
         view.positionViewAtIndex(view.currentIndex, ListView.Contain)
       }
     }
 
     function sortRenamed(name, index) {
       var to = -1
-      if (name < get(0).customName) {
-        to = 0
+      if (name < get(1).customName) { // 0 is broadcast
+        to = 1
       } else if (name >= get(count - 1).customName) {
         to = count - 1
       } else {
@@ -124,13 +125,21 @@ Rectangle {
 
       Rectangle {
         id: rectRadio
-        x: 10
-        width: 42
-        height: 15
+        x: (index === 0) ? 18 : 10
+        width: (index === 0) ? 28 : 42
+        height: (index === 0) ? width : 15
         anchors.verticalCenter: parent.verticalCenter
         color: "#f0f0f0"
         radius: height / 2
 
+        Image {
+          anchors.centerIn: parent
+          width: 20
+          height: width
+          source: "../img/broadcast.png"
+          visible: (index === 0)
+        }
+
         Text {
           anchors.centerIn: parent
           font.pixelSize: 12
@@ -138,6 +147,7 @@ Rectangle {
           font.weight: Font.DemiBold
           color: "black"
           text: model.radioName
+          visible: (index !== 0)
         }
       }
 
@@ -178,9 +188,11 @@ Rectangle {
         }
 
         onPressAndHold: {
-          readOnly = false
-          selectAll()
-          forceActiveFocus()
+          if (index !== 0) {
+            readOnly = false
+            selectAll()
+            forceActiveFocus()
+          }
         }
 
         onEditingFinished: {

examples/meshtastic/qml/ext/MainView.qml

@@ -5,6 +5,8 @@ import "." as Ext
 Item {
   anchors.fill: parent
 
+  property alias currentIndex: swipeView.currentIndex
+
   Rectangle {
     id: header
     width: parent.width