prelim. keyboard support

demo/keyboard.py

@@ -0,0 +1,33 @@
+from photon import init, InitFlags, keyboard, video
+from photon.events import poll_event, EventType, WindowEventType
+
+def main():
+    init(InitFlags.EVERYTHING)
+
+    w = video.Window('keyboard test', 10, 10, 300, 300)
+    running = True
+
+    while running:
+
+        # event loop
+        while True:
+            event = poll_event()
+            if not event:
+                break
+            elif event.type == EventType.QUIT:
+                running = False
+            elif event.type == EventType.WINDOWEVENT:
+                if event.window.event == WindowEventType.CLOSE:
+                    running = False
+            elif event.type == EventType.KEYDOWN:
+                scan = event.key.keysym.scancode
+                key = event.key.keysym.keycode
+                print 'Key Pressed: %s (%s) | %s (%s)' % (
+                    keyboard.get_scancode_name(scan), scan, 
+                    keyboard.get_key_name(key), key)
+                # enter -- check letter keys held
+                if key == 13:
+                    print sum(keyboard.get_keyboard_state()[4:30]), 'letter keys held'
+
+if __name__ == '__main__':
+    main()

photon/keyboard.py

@@ -0,0 +1,43 @@
+import ctypes
+from .internal import _SDL
+
+# SDL_GetKeyboardFocus
+# have this return a Window() object
+
+_SDL.SDL_GetKeyboardState.restype = ctypes.POINTER(ctypes.c_uint8)
+_keyboard_state = None
+def get_keyboard_state():
+    # index by scancode
+    global _keyboard_state
+    if not _keyboard_state:
+        _keyboard_state = _SDL.SDL_GetKeyboardState(None)
+    return _keyboard_state
+
+def get_mod_state():
+    return _SDL.SDL_GetModState()
+
+def set_mod_state(modstate):
+    _SDL.SDL_SetModState(modstate)
+
+def get_key_from_scancode(scancode):
+    return _SDL.SDL_GetKeyFromScancode(scancode)
+
+def get_scancode_from_key(keycode):
+    return _SDL.SDL_GetScancodeFromKey(keycode)
+
+_SDL.SDL_GetKeyName.restype = ctypes.c_char_p
+def get_key_name(keycode):
+    return _SDL.SDL_GetKeyName(keycode)
+
+_SDL.SDL_GetScancodeName.restype = ctypes.c_char_p
+def get_scancode_name(scancode):
+    return _SDL.SDL_GetScancodeName(scancode)
+
+def start_text_input():
+    _SDL.SDL_StartTextInput()
+
+def stop_text_input():
+    _SDL.SDL_StopTextInput()
+
+def set_text_input_rect(rect):
+    _SDL.SDL_SetTextInputRect(rect)

photon/tests/test_keyboard.py

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+from .. import init, InitFlags
+from ..keyboard import (get_mod_state, set_mod_state, get_key_from_scancode,
+                        get_scancode_from_key, get_key_name, get_scancode_name)
+from nose.tools import with_setup
+
+_keys = [
+    # scancode, keycode, name
+    (40, 13, 'Return'),
+    (4, 97, 'A'),
+    (87, 1073741911, 'Keypad +'),
+    (225, 1073742049, 'Left Shift')
+]
+
+def init_everything():
+    init(InitFlags.EVERYTHING)
+
+@with_setup(init_everything)
+def test_mod_state():
+    pass # TODO
+
+@with_setup(init_everything)
+def test_get_key_from_scancode():
+    for scan, key, name in _keys:
+        assert get_key_from_scancode(scan) == key
+
+@with_setup(init_everything)
+def test_get_scancode_from_key():
+    for scan, key, name in _keys:
+        assert get_scancode_from_key(key) == scan
+
+@with_setup(init_everything)
+def test_get_key_name():
+    for scan, key, name in _keys:
+        assert get_key_name(key) == name
+
+@with_setup(init_everything)
+def test_get_scancode_name():
+    for scan, key, name in _keys:
+        assert get_scancode_name(scan) == name