From 60d8a5fe44fd5a38c2d7e8051bc712dd93bfffe4 Mon Sep 17 00:00:00 2001
From: Matze-Jung <matthiasjung@freenet.de>
Date: Sat, 21 Sep 2019 02:25:13 +0200
Subject: [PATCH] Add widget armcopt.lua - Draws a picto quadcopter and
 animates it when armed

---
 src/SCRIPTS/WIDGETS/armcopt.lua | 115 ++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/SCRIPTS/WIDGETS/armcopt.lua

diff --git a/src/SCRIPTS/WIDGETS/armcopt.lua b/src/SCRIPTS/WIDGETS/armcopt.lua
new file mode 100644
index 0000000..f2906b7
--- /dev/null
+++ b/src/SCRIPTS/WIDGETS/armcopt.lua
@@ -0,0 +1,115 @@
+--[[ ** TELEMETRY SCREEN WIDGET **
+
+  Draws a picto quadcopter and animates it when armed.
+
+  Inspired by Andrew Farley's Taranis-XLite-Q7-Lua-Dashboard [https://github.com/AndrewFarley/Taranis-XLite-Q7-Lua-Dashboard]
+
+
+  PLATFORM
+    X7, X9 and relatives
+
+  SCALING
+    vert: scalable, min 30px
+    horiz: scalable, min 30px
+
+  PARAMETER
+    zone: table [x, y, w, h]
+      - Location on display in px
+        (x-pos, y-pos, width, height)
+
+    event: int
+      - User event
+
+    opts: table
+      - Configurations
+
+        src: function returns boolean
+          - true if armed
+
+        notxt: boolean (default false)
+          - hide blinking `armed` text
+
+        p: table (optional, default [t=1, r=0, b=0, l=1])
+           - Padding between content and widget boundaries in px
+             (top, right, bottom, left)
+--]]
+
+local animTick = 0
+local armed = false
+
+local function drawPropellor(_x, _y, invert)
+    local inc = animTick
+    if invert == true then
+        inc = (inc - 3) * -1
+        inc = inc + 3
+        if inc > 3 then
+            inc = inc - 4
+        end
+    end
+
+    lcd.drawRectangle(_x + 4, _y + 4, 3, 3, SOLID)
+
+    -- Animated Quadcopter propellors
+    if (not armed and not invert) or (armed and inc == 0) then
+        lcd.drawLine(_x + 1, _y + 9, _x + 9, _y + 1, SOLID, FORCE)
+        lcd.drawLine(_x + 1, _y + 10, _x + 8, _y + 1, SOLID, FORCE)
+    elseif armed and inc == 1 then
+        lcd.drawLine(_x, _y + 5, _x + 9, _y + 5, SOLID, FORCE)
+        lcd.drawLine(_x, _y + 4, _x + 9, _y + 6, SOLID, FORCE)
+    elseif (not armed and invert) or (armed and inc == 2) then
+        lcd.drawLine(_x + 1, _y + 1, _x + 9, _y + 9, SOLID, FORCE)
+        lcd.drawLine(_x + 1, _y + 2, _x + 10, _y + 9, SOLID, FORCE)
+    elseif armed and inc == 3 then
+        lcd.drawLine(_x + 5, _y, _x + 5, _y + 10, SOLID, FORCE)
+        lcd.drawLine(_x + 6, _y, _x + 4, _y + 10, SOLID, FORCE)
+    end
+end
+
+local function drawQuadcopter(_x, _y, opts)
+
+    -- Top left to bottom right
+    lcd.drawLine(_x + 5, _y + 5, _x + 23, _y + 23, SOLID, FORCE)
+    lcd.drawLine(_x + 5, _y + 6, _x + 22, _y + 23, SOLID, FORCE)
+    lcd.drawLine(_x + 6, _y + 5, _x + 23, _y + 22, SOLID, FORCE)
+
+    -- Bottom left to top right
+    lcd.drawLine(_x + 5, _y + 23, _x + 23, _y + 5, SOLID, FORCE)
+    lcd.drawLine(_x + 5, _y + 22, _x + 22, _y + 5, SOLID, FORCE)
+    lcd.drawLine(_x + 6, _y + 23, _x + 23, _y + 6, SOLID, FORCE)
+
+    -- Middle of Quad
+    lcd.drawFilledRectangle(_x + 12, _y + 8, 5, 13, SOLID)
+    lcd.drawFilledRectangle(_x + 11, _y + 11, 7, 7, SOLID)
+    lcd.drawPoint(_x + 13, _y + 11)
+    lcd.drawPoint(_x + 13, _y + 17)
+    lcd.drawPoint(_x + 15, _y + 11)
+    lcd.drawPoint(_x + 15, _y + 17)
+
+    if armed and not opts.notxt then
+       lcd.drawText(_x + 2, _y + 11, "armed", SMLSIZE + BLINK)
+    end
+
+    -- Top-left
+    drawPropellor(_x, _y, false)
+    -- Bottom-Right
+    drawPropellor(_x + 18, _y + 18, false)
+    -- Top-Right
+    drawPropellor(_x + 18, _y, true)
+    -- Bottom-left
+    drawPropellor(_x , _y + 18, true)
+end
+
+local function armWidget(zone, event, opts)
+    local p = { t=1, r=0, b=0, l=1 }
+
+    local z = calcWidgetZone(zone, p, opts.p or false)
+    armed = type(opts.src) == "function"
+        and opts.src()
+        or false
+
+    animTick = math.fmod(math.ceil(math.fmod(getTime() / 100, 2) * 10), 4)
+
+    drawQuadcopter(z.x, z.y, opts)
+end
+
+return { run=armWidget }