python ui: add Keyboard Implementation (#34827)

implement keyboard

system/ui/widgets/keyboard.py

@@ -0,0 +1,104 @@
+import pyray as rl
+from openpilot.system.ui.lib.button import gui_button
+from openpilot.system.ui.lib.label import gui_label
+
+# Constants for special keys
+BACKSPACE_KEY = "<-"
+ENTER_KEY = "Enter"
+SPACE_KEY = "  "
+SHIFT_KEY = "↑"
+SHIFT_DOWN_KEY = "↓"
+NUMERIC_KEY = "123"
+SYMBOL_KEY = "#+="
+ABC_KEY = "ABC"
+
+# Define keyboard layouts as a dictionary for easier access
+keyboard_layouts = {
+  "lowercase": [
+    ["q", "w", "e", "r", "t", "y", "u", "i", "o", "p"],
+    ["a", "s", "d", "f", "g", "h", "j", "k", "l"],
+    [SHIFT_KEY, "z", "x", "c", "v", "b", "n", "m", BACKSPACE_KEY],
+    [NUMERIC_KEY, "/", "-", SPACE_KEY, ".", ENTER_KEY],
+  ],
+  "uppercase": [
+    ["Q", "W", "E", "R", "T", "Y", "U", "I", "O", "P"],
+    ["A", "S", "D", "F", "G", "H", "J", "K", "L"],
+    [SHIFT_DOWN_KEY, "Z", "X", "C", "V", "B", "N", "M", BACKSPACE_KEY],
+    [NUMERIC_KEY, "/", "-", SPACE_KEY, ".", ENTER_KEY],
+  ],
+  "numbers": [
+    ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"],
+    ["-", "/", ":", ";", "(", ")", "$", "&", "@", "\""],
+    [SYMBOL_KEY, ".", ",", "?", "!", "`", BACKSPACE_KEY],
+    [ABC_KEY, SPACE_KEY, ".", ENTER_KEY],
+  ],
+  "specials": [
+    ["[", "]", "{", "}", "#", "%", "^", "*", "+", "="],
+    ["_", "\\", "|", "~", "<", ">", "€", "£", "¥", "•"],
+    [NUMERIC_KEY, ".", ",", "?", "!", "'", BACKSPACE_KEY],
+    [ABC_KEY, SPACE_KEY, ".", ENTER_KEY],
+  ],
+}
+
+
+class Keyboard:
+  def __init__(self, max_text_size: int = 255):
+    self._layout = keyboard_layouts["lowercase"]
+    self._input_text = ""
+    self._max_text_size = max_text_size
+
+  @property
+  def text(self) -> str:
+    return self._input_text
+
+  def clear(self):
+    self._input_text = ""
+
+  def render(self, rect, title, sub_title):
+    gui_label(rl.Rectangle(rect.x, rect.y, rect.width, 95), title, 90)
+    gui_label(rl.Rectangle(rect.x, rect.y + 95, rect.width, 60), sub_title, 55, rl.GRAY)
+    if gui_button(rl.Rectangle(rect.x + rect.width - 300, rect.y, 300, 100), "Cancel"):
+      return -1
+
+    # Text box for input
+    rl.gui_text_box(rl.Rectangle(rect.x, rect.y + 160, rect.width, 100), self._input_text, self._max_text_size, True)
+
+    h_space, v_space = 15, 15
+    row_y_start = rect.y + 300  # Starting Y position for the first row
+    key_height = (rect.height - 300 - 3 * v_space) / 4
+    key_max_width = (rect.width - (len(self._layout[2]) - 1) * h_space) / len(self._layout[2])
+
+    # Iterate over the rows of keys in the current layout
+    for row, keys in enumerate(self._layout):
+      key_width = min((rect.width - (180 if row == 1 else 0) - h_space * (len(keys) - 1)) / len(keys), key_max_width)
+      start_x = rect.x + (90 if row == 1 else 0)
+
+      for i, key in enumerate(keys):
+        if i > 0:
+          start_x += h_space
+
+        new_width = (key_width * 3 + h_space * 2) if key == SPACE_KEY else (key_width * 2 + h_space if key == ENTER_KEY else key_width)
+        key_rect = rl.Rectangle(start_x, row_y_start + row * (key_height + v_space), new_width, key_height)
+        start_x += new_width
+
+        if gui_button(key_rect, key):
+          if key == ENTER_KEY:
+            return 1
+          else:
+            self.handle_key_press(key)
+
+    return 0
+
+  def handle_key_press(self, key):
+    if key in (SHIFT_DOWN_KEY, ABC_KEY):
+      self._layout = keyboard_layouts["lowercase"]
+    elif key == SHIFT_KEY:
+      self._layout = keyboard_layouts["uppercase"]
+    elif key == NUMERIC_KEY:
+      self._layout = keyboard_layouts["numbers"]
+    elif key == SYMBOL_KEY:
+      self._layout = keyboard_layouts["specials"]
+    elif key == BACKSPACE_KEY and len(self._input_text) > 0:
+      self._input_text = self._input_text[:-1]
+    elif key != BACKSPACE_KEY and len(self._input_text) < self._max_text_size:
+      self._input_text += key