Merge pull request #47 from labuzm/text_input

introduce text_input event

demos/fonts/main.py

@@ -11,6 +11,7 @@ def __init__(self):
 
         self.text_node = TextNode(font=self.my_font, content="Hello World", font_size=1.)
         self.root.add_child(self.text_node)
+        self.text_buffer = []
 
     def update(self, dt):
         for event in self.input.events():
@@ -19,8 +20,16 @@ def update(self, dt):
 
             keyboard = event.keyboard
             if keyboard:
+                if keyboard.text_input:
+                    self.text_buffer.append(keyboard.text)
+                    print('Text: {}'.format(''.join(self.text_buffer)))
+
                 if keyboard.is_pressing(Keycode.q):
                     self.engine.quit()
+                elif keyboard.is_pressing(Keycode.backspace):
+                    if self.text_buffer:
+                        self.text_buffer.pop()
+                        print('Text: {}'.format(''.join(self.text_buffer)))
                 elif keyboard.is_pressing(Keycode.l):
                     self.text_node.content += "!"
                 elif keyboard.is_pressing(Keycode.kp_7):
@@ -58,8 +67,6 @@ def update(self, dt):
                 elif keyboard.is_pressing(Keycode.f):
                     self.camera.position = self.text_node.position
 
-        print("Mouse position: {}".format(self.input.mouse.get_position()))
-
 
 if __name__ == '__main__':
     engine = Engine(virtual_resolution=Vector(10, 10))

kaa/input.pxi

@@ -323,6 +323,7 @@ class EventType(IntEnum):
 
     key_down = <uint32_t>CEventType.key_down
     key_up = <uint32_t>CEventType.key_up
+    text_input = <uint32_t>CEventType.text_input
 
     mouse_motion = <uint32_t>CEventType.mouse_motion
     mouse_button_up = <uint32_t>CEventType.mouse_button_up
@@ -488,6 +489,14 @@ cdef class KeyboardEvent(_BaseEvent):
         cdef KeyboardEvent instance = KeyboardEvent.__new__(KeyboardEvent)
         instance.c_event = c_event
         return instance
+
+    @typed_property(EventType.text_input)
+    def text_input(self):
+        return self.c_event.keyboard().text_input()
+
+    @property
+    def text(self):
+        return self.c_event.keyboard().text().decode('utf-8')
 
     def is_pressing(self, kc not None):
         return self.c_event.keyboard().is_pressing(

kaa/kaacore/input.pxd

@@ -310,6 +310,7 @@ cdef extern from "kaacore/input.h" nogil:
         clipboard_updated "kaacore::EventType::clipboard_updated",
         key_down "kaacore::EventType::key_down",
         key_up "kaacore::EventType::key_up",
+        text_input "kaacore::EventType::text_input",
         mouse_motion "kaacore::EventType::mouse_motion",
         mouse_button_down "kaacore::EventType::mouse_button_down",
         mouse_button_up "kaacore::EventType::mouse_button_up",
@@ -390,6 +391,10 @@ cdef extern from "kaacore/input.h" nogil:
             except +raise_py_error
         bint is_releasing(CKeycode kc) \
             except +raise_py_error
+        bint text_input() \
+            except +raise_py_error
+        string text() \
+            except +raise_py_error
 
     cdef cppclass CMouseEvent "kaacore::MouseEvent":
         bint button() \