JS: Add widget module

applications/system/js_app/application.fam

@@ -118,3 +118,11 @@ App(
     requires=["js_app"],
     sources=["modules/js_textbox.c"],
 )
+
+App(
+    appid="js_widget",
+    apptype=FlipperAppType.PLUGIN,
+    entry_point="js_widget_ep",
+    requires=["js_app"],
+    sources=["modules/js_widget.c"],
+)

applications/system/js_app/examples/apps/Scripts/widget.js

@@ -0,0 +1,63 @@
+let widget = require("widget");
+
+let demo_seconds = 30;
+
+print("Loading file", __filepath);
+print("From directory", __dirpath);
+
+// addText supports "Primary" and "Secondary" font sizes.
+widget.addText(10, 10, "Primary", "Example JS widget");
+widget.addText(10, 20, "Secondary", "Example widget from JS!");
+
+// load a Xbm file from the same directory as this script.
+widget.addText(0, 30, "Secondary", __filepath);
+let logo = widget.loadImageXbm(__dirpath + "/widget-js.fxbm");
+
+// add a line (x1, y1, x2, y2)
+widget.addLine(10, 35, 120, 35);
+
+// add a circle/disc (x, y, radius)
+widget.addCircle(12, 52, 10);
+widget.addDisc(12, 52, 5);
+
+// add a frame/box (x, y, width, height)
+widget.addFrame(30, 45, 10, 10);
+widget.addBox(32, 47, 6, 6);
+
+// add a rounded frame/box (x, y, width, height, radius)
+widget.addRframe(50, 45, 15, 15, 3);
+widget.addRbox(53, 48, 6, 6, 2);
+
+// add a dot (x, y)
+widget.addDot(100, 45);
+widget.addDot(102, 44);
+widget.addDot(104, 43);
+
+// add an icon (x, y, icon)
+widget.addIcon(100, 50, "ButtonUp_7x4");
+widget.addIcon(100, 55, "ButtonDown_7x4");
+
+// add a glyph (x, y, glyph)
+widget.addGlyph(115, 50, "#".charCodeAt(0));
+
+// Show the widget (drawing the layers in the orderer they were added)
+widget.show();
+
+let i = 1;
+let bitmap = undefined;
+while (widget.isOpen() && i <= demo_seconds) {
+    // Print statements will only show up once the widget is closed.
+    print("count is at", i++);
+
+    // You can call remove on any added item, it does not impact the other ids.
+    if (bitmap) { widget.remove(bitmap); bitmap = undefined; }
+    // All of the addXXX functions return an id that can be used to remove the item.
+    else { bitmap = widget.addXbm(77, 45, logo); }
+
+    delay(1000);
+}
+
+// If user did not press the back button, close the widget.
+if (widget.isOpen()) {
+    widget.close();
+}