E_showPrompt_Q3: allow long press actions

ChangeLog

@@ -10,6 +10,7 @@
             Bangle.js2: Menus now buzz when back button pressed or icon tapped (fix #2642)
             JIT: When referencing a built-in member function of a built-in (Math.*, E.*, PIN_NAME.*, etc) include address rather than looking up (#2398)
             nRF52 Central: Lower min connection interval from 20->7.5ms, max 200->1000ms (allows some extra devices to be connected to)
+            Bangle.js2: Add optional long press button actions to `showPrompt` (#2656) 
 
      2v27 : nRF5x: Ensure Bluetooth notifications work correctly when two separate connections use the same handle for their characteristics
             nRF5x: Remove handlers from our handlers array when a device is disconnected

libs/banglejs/jswrap_bangle.c

@@ -6073,7 +6073,7 @@ E.showMessage("Lots of text will wrap automatically",{
     "return" : ["JsVar","A promise that is resolved when 'Ok' is pressed"],
     "ifdef" : "BANGLEJS",
     "typescript" : [
-      "showPrompt<T = boolean>(message: string, options?: { title?: string, buttons?: { [key: string]: T }, buttonHeight?: number, image?: string, remove?: () => void }): Promise<T>;",
+      "showPrompt<T = boolean>(message: string, options?: { title?: string, buttons?: { [key: string]: T }, buttonsLong?: { [key: string]: T }, buttonHeight?: number, image?: string, remove?: () => void }): Promise<T>;",
       "showPrompt(): void;"
     ]
 }
@@ -6113,6 +6113,7 @@ The second `options` argument can contain:
 {
   title: "Hello",                       // optional Title
   buttons : {"Ok":true,"Cancel":false}, // optional list of button text & return value
+  buttonsLong : {"Ok":2,"Cancel":"Cancel"}, // Bangle.js2: optional subset of buttons that should also have a specific long press action
   img: "image_string"                   // optional image string to draw
   remove: function() { }                // Bangle.js: optional function to be called when the prompt is removed#
   buttonHeight : 30,                    // Bangle.js2: optional height to force the buttons to be

libs/js/banglejs/E_showPrompt_Q3.js

@@ -64,7 +64,10 @@
           draw(i); // highlighted button
           g.flip(); // write to screen
           E.showPrompt(); // remove
-          resolve(options.buttons[btns[i]]);
+          if (e.type===2 /*long press*/ && options.buttonsLong && btns[i] in options.buttonsLong)
+            resolve(options.buttonsLong[btns[i]]);
+           else
+            resolve(options.buttons[btns[i]]);
         }
       });
     }};
@@ -76,4 +79,4 @@
     };
     Bangle.setUI(ui);
   });
-})
+})