tinyWm base

Author: fox0430

nimWM.nimble

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+# Package
+
+version       = "0.0.1"
+author        = "fox0430"
+description   = "simple window manager"
+license       = "MIT"
+srcDir        = "src"
+bin           = @["nimWM"]
+
+# Dependencies
+
+requires "x11 >= 1.0"

src/nimWM.nim

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+import xlib, x
+converter toCint(x: TKeyCode): cint = x.cint
+converter int32toCUint(x: int32): cuint = x.cuint
+converter toTBool(x: bool): TBool = x.TBool
+converter toBool(x: TBool): bool = x.bool
+
+var
+  attr: TXWindowAttributes
+  start:TXButtonEvent
+  ev:TXEvent
+
+var display = XOpenDisplay(nil)
+if display == nil:
+  quit "Failed to open display"
+
+discard XGrabKey(display, XKeysymToKeycode(display, XStringToKeysym("F1")), Mod1Mask,
+  DefaultRootWindow(display), true, GrabModeAsync, GrabModeAsync)
+discard XGrabButton(display, 1, Mod1Mask, DefaultRootWindow(display), true,
+  ButtonPressMask, GrabModeAsync, GrabModeAsync, None, None)
+discard XGrabButton(display, 3, Mod1Mask, DefaultRootWindow(display), true,
+  ButtonPressMask, GrabModeAsync, GrabModeAsync, None, None)
+
+start.subwindow = None
+
+while true:
+  discard XNextEvent(display,ev.addr)
+
+  if ev.theType == KeyPress and ev.xkey.subwindow != None:
+    discard XRaiseWindow(display, ev.xkey.subwindow);
+  elif ev.theType == ButtonPress and ev.xkey.subwindow != None:
+    discard XGetWindowAttributes(display, ev.xbutton.subwindow, attr.addr);
+    start = ev.xbutton;
+  elif ev.theType == MotionNotify and start.subwindow != None:
+    var
+       xdiff = ev.xbutton.x_root - start.x_root
+       ydiff = ev.xbutton.y_root - start.y_root
+
+    discard XMoveResizeWindow(display, start.subwindow,
+      attr.x + (if start.button==1: xdiff else: 0),
+      attr.y + (if start.button==1: ydiff else: 0),
+      max(1, attr.width + (if start.button==3: xdiff else: 0)),
+      max(1, attr.height + (if start.button==3: ydiff else: 0)))
+
+  elif ev.theType == ButtonRelease:
+    start.subwindow = None