Add screen blocks

libs/core/_locales/core-jsdoc-strings.json

@@ -41,6 +41,10 @@
   "screen.clear": "Clear screen and reset font to normal.",
   "screen.doubleIcon": "Double size of an icon.",
   "screen.drawIcon": "Draw an icon on the screen.",
+  "screen.drawText": "Show text on the screen.",
+  "screen.drawText|param|text": "the text to print on the screen, eg: \"Hello world\"",
+  "screen.drawText|param|x": "the starting position's x coordinate, eg: 0",
+  "screen.drawText|param|y": "the starting position's x coordinate, eg: 0",
   "serial": "Reading and writing data over a serial connection.",
   "serial.writeDmesg": "Send DMESG debug buffer over serial."
 }

libs/core/_locales/core-strings.json

@@ -24,6 +24,7 @@
   "output.stop|block": "turn motor %out| off",
   "output.turn|block": "turn motor %out| on for %ms| milliseconds",
   "output|block": "output",
+  "screen.drawText|block": "say %text| at x: %x| y: %y",
   "screen|block": "screen",
   "serial|block": "serial",
   "{id:category}Control": "Control",
@@ -32,5 +33,6 @@
   "{id:category}Screen": "Screen",
   "{id:category}Serial": "Serial",
   "{id:group}Lights": "Lights",
-  "{id:group}Motors": "Motors"
+  "{id:group}Motors": "Motors",
+  "{id:group}Screen": "Screen"
 }

libs/core/screen.ts

@@ -84,8 +84,17 @@ namespace screen {
         if (0 <= x && x < DAL.LCD_WIDTH && 0 <= y && y < DAL.LCD_HEIGHT)
             _setPixel(x, y, mode)
     }
+    
 
-    export function drawText(x: number, y: number, text: string, mode = Draw.Normal) {
+    /**
+     * Show text on the screen.
+     * @param text the text to print on the screen, eg: "Hello world"
+     * @param x the starting position's x coordinate, eg: 0
+     * @param y the starting position's x coordinate, eg: 0
+     */
+    //% blockId=screen_drawText block="say %text| at x: %x| y: %y"
+    //% weight=99 group="Screen" blockNamespace=output inlineInputMode="inline"
+    export function drawText(text: string, x: number, y: number, mode = Draw.Normal) {
         x |= 0
         y |= 0
         if (!currFont) currFont = defaultFont()

libs/ev3/ns.ts

@@ -1,10 +1,11 @@
 
 //% color="#D42878"
+//% groups="['Brick buttons']"
 namespace input {
 }
 
 //% color="#8AC044" weight=90 icon="\uf185"
-//% groups="['Lights', 'Motors']"
+//% groups="['Lights', 'Screen', Motors']"
 namespace output {
 }