Initial data commit

Task/Window-creation-X11/Python/window-creation-x11-1.py

@@ -0,0 +1,34 @@
+from Xlib import X, display
+
+class Window:
+    def __init__(self, display, msg):
+        self.display = display
+        self.msg = msg
+
+        self.screen = self.display.screen()
+        self.window = self.screen.root.create_window(
+            10, 10, 100, 100, 1,
+            self.screen.root_depth,
+            background_pixel=self.screen.white_pixel,
+            event_mask=X.ExposureMask | X.KeyPressMask,
+            )
+        self.gc = self.window.create_gc(
+            foreground = self.screen.black_pixel,
+            background = self.screen.white_pixel,
+            )
+
+        self.window.map()
+
+    def loop(self):
+        while True:
+            e = self.display.next_event()
+
+            if e.type == X.Expose:
+                self.window.fill_rectangle(self.gc, 20, 20, 10, 10)
+                self.window.draw_text(self.gc, 10, 50, self.msg)
+            elif e.type == X.KeyPress:
+                raise SystemExit
+
+
+if __name__ == "__main__":
+    Window(display.Display(), "Hello, World!").loop()

Task/Window-creation-X11/Python/window-creation-x11-2.py

@@ -0,0 +1,43 @@
+import xcb
+from xcb.xproto import *
+import xcb.render
+
+def main():
+  conn = xcb.connect()
+  conn.render = conn(xcb.render.key)
+
+  setup = conn.get_setup()
+  root = setup.roots[0].root
+  depth = setup.roots[0].root_depth
+  visual = setup.roots[0].root_visual
+  white = setup.roots[0].white_pixel
+
+  window = conn.generate_id()
+  conn.core.CreateWindow(depth, window, root,
+                         0, 0, 640, 480, 0,
+                         WindowClass.InputOutput,
+                         visual,
+                         CW.BackPixel | CW.EventMask,
+                         [ white, EventMask.Exposure |
+                                  EventMask.KeyPress ])
+
+  conn.core.MapWindow(window)
+  conn.flush()
+
+  while True:
+    event = conn.wait_for_event()
+
+    if isinstance(event, ExposeEvent):
+      color = (0, 0, 65535, 65535)
+      rectangle = (20, 20, 40, 40)
+      # TODO, fixme:
+      # I haven't been able to find what I should put for the parameter "op"
+   #  conn.render.FillRectangles(op, window, color, 1, rectangle)
+      conn.flush()
+
+    elif isinstance(event, KeyPressEvent):
+      break
+
+  conn.disconnect()
+
+main()