mxwm zcom implementation

app/mxwm/package.json

@@ -0,0 +1,8 @@
+{
+    "name": "mxwm",
+    "version": "0.1.0",
+    "description": "Mega eXtreme Window Manager",
+    "author": "MeexReay",
+    "apps": [ "zcom.js", "startz.js" ],
+    "configs": []
+}

app/mxwm/startz.js

@@ -0,0 +1,20 @@
+eval(readFile("/app/zcom.js"))
+
+async function main(args) {
+    enableGraphics()
+
+    window.mxwm_windows = []
+
+    let ctx = getGraphics()
+
+    while (true) {
+        ctx.fillStyle = "black"
+        ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height)
+
+        for (const win of window.mxwm_windows) {
+            ctx.drawImage(win.canvas, win.x, win.y);
+        }
+    }
+
+    disableGraphics()
+}

app/mxwm/zcom.js

@@ -0,0 +1,88 @@
+function hasGraphicsImplementation() {
+  return true
+}
+
+/** returns wid and context */
+function createWindow(options) {
+  let canvas = document.createElement("canvas")
+
+  let win = {
+    "title": options["title"],
+    "x": options["x"] || 0,
+    "y": options["y"] || 0,
+    "width": options["width"] || options["w"] || 200,
+    "height": options["height"] || options["h"] || 200,
+    "wid": Date.now().toString() + Math.round(Math.random() * 100).toString(),
+    "on_signal": options["on_signal"] || options["callback"] || (o => {})
+  }
+
+  canvas.width = win["width"].toString()
+  canvas.height = win["height"].toString()
+
+  let context = canvas.getContext("2d")
+
+  win["canvas"] = canvas
+  win["context"] = context
+
+  if ("mxwm_windows" in window) {
+    window.mxwm_windows.push(win)
+  } else {
+    window.mxwm_windows = [ win ]
+  }
+}
+
+function moveWindow(wid, x, y, w, h) {
+  if (!("mxwm_windows" in window)) {
+    window.mxwm_windows = [ ]
+  }
+
+  for (const win of window.mxwm_windows) {
+    if (win["wid"] == wid) {
+      win.x = x
+      win.y = y
+      win.width = w
+      win.height = h
+    }
+  }
+}
+
+function signalWindow(wid, signal) {
+  if (!("mxwm_windows" in window)) {
+    window.mxwm_windows = [ ]
+  }
+
+  for (const win of window.mxwm_windows) {
+    if (win["wid"] == wid) {
+      win.on_signal(signal)
+    }
+  }
+}
+
+function closeWindow(wid) {
+  if (!("mxwm_windows" in window)) {
+    window.mxwm_windows = [ ]
+  }
+
+  window.mxwm_windows = window.mxwm_windows.filter(o => o.wid != wid)
+}
+
+function getWindow(wid) {
+  if (!("mxwm_windows" in window)) {
+    window.mxwm_windows = [ ]
+  }
+
+  for (const win of window.mxwm_windows) {
+    if (win["wid"] == wid) {
+      return win
+    }
+  }
+  return null
+}
+
+function listWindows() {
+  if (!("mxwm_windows" in window)) {
+    window.mxwm_windows = [ ]
+  }
+
+  return window.mxwm_windows
+}