Desktop app: shell and library screens

tools/linux/xinput.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+"""Mouse and keyboard on an X display through XTest (python3-xlib), for the test stand (stand.sh in …).
+
+  xinput.py click X Y [BUTTON]     move there and click (1 left, 3 right, 8 back)
+  xinput.py dclick X Y             double click
+  xinput.py move X Y
+  xinput.py key NAME [NAME…]       keys by keysym name: Escape Return Tab BackSpace Left …; "alt+Left" for a chord
+  xinput.py type TEXT              types Latin text, digits and punctuation
+  xinput.py wait SECONDS
+Several commands in one call are separated by ",": xinput.py click 10 10 , key Return
+"""
+import sys, time
+from Xlib import X, XK, display
+from Xlib.ext import xtest
+
+d = display.Display()
+MODS = {"alt": "Alt_L", "ctrl": "Control_L", "shift": "Shift_L"}
+
+
+def code(name):
+    keysym = XK.string_to_keysym(name)
+    if keysym == 0 and len(name) == 1:
+        keysym = ord(name)
+    c = d.keysym_to_keycode(keysym)
+    if not c:
+        sys.exit(f"no key for {name!r}")
+    return c
+
+
+def press(c, down):
+    xtest.fake_input(d, X.KeyPress if down else X.KeyRelease, c)
+    d.sync()
+
+
+def key(chord):
+    *mods, name = chord.split("+")
+    for m in mods: press(code(MODS[m]), True)
+    c = code(name)
+    press(c, True); time.sleep(0.03); press(c, False)
+    for m in reversed(mods): press(code(MODS[m]), False)
+    time.sleep(0.08)
+
+
+def move(x, y):
+    xtest.fake_input(d, X.MotionNotify, x=int(x), y=int(y)); d.sync(); time.sleep(0.05)
+
+
+def click(x, y, button=1, times=1):
+    move(x, y)
+    for _ in range(times):
+        xtest.fake_input(d, X.ButtonPress, int(button)); d.sync(); time.sleep(0.03)
+        xtest.fake_input(d, X.ButtonRelease, int(button)); d.sync(); time.sleep(0.06)
+
+
+SHIFTED = {c: True for c in '~!@#$%^&*()_+{}|:"<>?ABCDEFGHIJKLMNOPQRSTUVWXYZ'}
+NAMES = {" ": "space", ".": "period", ":": "colon", "/": "slash", "-": "minus", "_": "underscore", "@": "at"}
+
+
+def type_text(text):
+    for ch in text:
+        name = NAMES.get(ch, ch)
+        c = code(name)
+        shift = ch in SHIFTED
+        if shift: press(code("Shift_L"), True)
+        press(c, True); press(c, False)
+        if shift: press(code("Shift_L"), False)
+        time.sleep(0.02)
+
+
+def run(cmd):
+    op, args = cmd[0], cmd[1:]
+    if op == "click": click(args[0], args[1], args[2] if len(args) > 2 else 1)
+    elif op == "dclick": click(args[0], args[1], times=2)
+    elif op == "move": move(*args)
+    elif op == "key": [key(a) for a in args]
+    elif op == "type": type_text(" ".join(args))
+    elif op == "wait": time.sleep(float(args[0]))
+    else: sys.exit(__doc__)
+
+
+cmds, cur = [], []
+for a in sys.argv[1:]:
+    if a == ",": cmds.append(cur); cur = []
+    else: cur.append(a)
+if cur: cmds.append(cur)
+if not cmds: sys.exit(__doc__)
+for c in cmds: run(c)