彡ﾟ◉ω◉ )つー☆* MATHS

TILE

2 files changed, 47 insertions, 1 deletions

diff --git a/src/ptrmath.nim b/src/ptrmath.nim
new file mode 100644
index 0000000..7de2fa6
--- /dev/null
+++ b/src/ptrmath.nim
@@ -0,0 +1,19 @@
+# from http://forum.nim-lang.org/t/1188#7366
+
+template `+`*[T](p: ptr T, off: int): ptr T =
+    cast[ptr type(p[])](cast[ByteAddress](p) +% off * sizeof(p[]))
+  
+template `+=`*[T](p: ptr T, off: int) =
+    p = p + off
+  
+template `-`*[T](p: ptr T, off: int): ptr T =
+    cast[ptr type(p[])](cast[ByteAddress](p) -% off * sizeof(p[]))
+  
+template `-=`*[T](p: ptr T, off: int) =
+    p = p - off
+
+template `[]`*[T](p: ptr T, off: int): T =
+    (p + off)[]
+
+template `[]=`*[T](p: ptr T, off: int, val: T) =
+    (p + off)[] = val
\ No newline at end of file
diff --git a/src/windowmanager.nim b/src/windowmanager.nim
index a4e2058..409b06a 100644
--- a/src/windowmanager.nim
+++ b/src/windowmanager.nim
@@ -2,7 +2,7 @@ import
     x11/[x, xlib],
     config, /types,
     logging, /logger,
-    tables, os
+    tables, os, ptrmath
 
 type 
     WindowManager* = ref object
@@ -28,6 +28,9 @@ proc funcSpawnCustom (wm: WindowManager)
 proc onWMDetected (display: PDisplay, e: PXErrorEvent): cint{.cdecl.}
 proc onXError (display: PDisplay, e: PXErrorEvent): cint{.cdecl.}
 
+# Main Loop
+proc tileWindows (wm: WindowManager)
+
 # Events
 proc onCreateNotify (wm: WindowManager, e: PXCreateWindowEvent)
 proc onDestroyNotify (wm: WindowManager, e: PXDestroyWindowEvent)
@@ -80,6 +83,8 @@ proc run* (wm: WindowManager) =
         var e: XEvent
         discard wm.display.XNextEvent(addr e)
         
+        tileWindows wm
+
         case e.theType:
             of CreateNotify: wm.onCreateNotify addr e.xcreatewindow
             of DestroyNotify: wm.onDestroyNotify addr e.xdestroywindow
@@ -173,6 +178,28 @@ proc onXError (display: PDisplay, e: PXErrorEvent): cint{.cdecl.} =
 
     return 0
 
+# Main Loop
+proc tileWindows (wm: WindowManager) =
+    var
+        parent: Window
+        children: PWindow
+        n: cuint
+        w = cuint wm.display.XDisplayWidth 0
+        h = cuint wm.display.XDisplayHeight 0
+
+    discard wm.display.XQueryTree(wm.root, addr wm.root, addr parent, addr children, addr n)
+
+    if n == 1:
+        # only 1 window, keep it fullscreen
+        discard wm.display.XMoveResizeWindow(children[0], 0, 0, w, h)
+    else:
+        # resize master window to take up half the screen
+        discard wm.display.XMoveResizeWindow(children[0], 0, 0, cuint (w div 2), h)
+    
+        # maths, sort of explained here: https://i.imgur.com/fGxdfDh.png
+        for i in 1..n-1:
+            discard wm.display.XMoveResizeWindow(children[int i], cint w div 2, cint (i-1) * (h div (n-1)), w div 2, h div (n-1))
+
 # Events
 proc onCreateNotify (wm: WindowManager, e: PXCreateWindowEvent) = return
 proc onDestroyNotify (wm: WindowManager, e: PXDestroyWindowEvent) = return