1 files changed, 143 insertions, 0 deletions
diff --git a/src/keyboard.py b/src/keyboard.py
new file mode 100644
index 0000000..7474334
--- /dev/null
+++ b/src/keyboard.py
@@ -0,0 +1,143 @@
+# -*- coding: UTF-8 -*-
+
+import candidatepanel
+import gtk
+import gobject
+import gtk.gdk as gdk
+import pango
+import virtkey
+
+
+# from OnBoard.utils.py
+keysyms = {"space"     : 0xff80,
+           "insert"    : 0xff9e,
+           "home"      : 0xff50,
+           "page_up"   : 0xff55,
+           "page_down" : 0xff56,
+           "end"       : 0xff57,
+           "delete"    : 0xff9f,
+           "return"    : 0xff0d,
+           "backspace" : 0xff08,
+           "left"      : 0xff51,
+           "up"        : 0xff52,
+           "right"     : 0xff53,
+           "down"      : 0xff54,}
+
+# TODO add horizonal keysize - will be able to specify a mulitplier
+# TODO add key colour
+
+backspace = ("⌫", keysyms["backspace"])
+control = (".?12", keysyms["space"]) #TODO not implemented
+
+# key format ("label", keysym, size) 
+layout = ( ("q", "w", "e", "r", "t", "y", "u", "i", "o", "p"),
+           ("a", "s", "d", "f", "g", "h", "j", "k", "l", backspace ),
+           ("z", "x", "c", "v", "b", "n", "m", " ", control, "⇧") )
+
+# TODO add keyboard layers 
+#layout2 = ( ("Q", "W", "E", "R", "T", "Y", "U", "I", "O", "P"),
+#            ("A", "S", "D", "F", "G", "H", "J", "K", "L", backspace ),
+#            ("Z", "X", "C", "V", "B", "N", "M", " ", " ", "⇧") )
+
+class CaribouPredicitionArea(gtk.HBox):
+    pass
+
+class CaribouKey(gtk.Button):
+    __gtype_name__ = "CaribouKey"
+
+    def __init__(self, key, vk):
+       if isinstance(key, tuple):
+           label = key[0]
+           keysym = key[1]
+           self.__press_key = vk.press_keysym
+           self.__release_key = vk.release_keysym
+       elif isinstance(key, str):
+           label = key
+           keysym = ord(key.decode('utf-8'))
+           self.__press_key = vk.press_unicode
+           self.__release_key = vk.release_unicode
+       else:
+           pass #TODO throw error here 
+       gtk.Button.__init__(self, label)
+       #self.set_relief(gtk.RELIEF_NONE)
+       self.connect("clicked", self.__on_click, keysym)
+
+    def __on_click(self, widget, data):
+        self.__press_key(data)
+        self.__release_key(data)
+       
+gobject.type_register(CaribouKey)
+
+class CaribouKeyboard(gtk.VBox):
+    __gtype_name__ = "CaribouKeyboard"
+
+    def __init__(self):
+        super(CaribouKeyboard, self).__init__()
+        self.set_name("CaribouKeyboard")
+
+        self.__toplevel = gtk.Window(gtk.WINDOW_POPUP)
+        self.__toplevel.add(self)
+        self.__toplevel.connect("size-allocate", lambda w, a: self.__check_position())
+
+        self.__cursor_location = (0, 0)
+
+        self.__build_keyboard()
+
+
+    #TODO: validate keyboard
+    def __build_keyboard(self):
+        vk = virtkey.virtkey()
+        for row in layout:
+            rowhbox = gtk.HBox(homogeneous=True)
+            for keylabel in row:
+                key = CaribouKey(keylabel, vk)
+                rowhbox.pack_start(key, expand=False, fill=True)
+            self.pack_start(rowhbox, expand=False, fill=False)
+        
+    #TODO understand
+    def set_cursor_location(self, x, y):
+        #print "----> SET CURSOR LOCATION"
+        self.__cursor_location = (x, y)
+        self.__check_position()
+
+    def do_size_request(self, requisition):
+        #print "---->> DO SIZE REQUEST"
+        gtk.VBox.do_size_request(self, requisition)
+        self.__toplevel.resize(1, 1)
+
+    def __check_position(self):
+        #print "---->>> CHECK POSITION"
+        bx = self.__cursor_location[0] + self.__toplevel.allocation.width
+        by = self.__cursor_location[1] + self.__toplevel.allocation.height
+
+        root_window = gdk.get_default_root_window()
+        sx, sy = root_window.get_size()
+
+        if bx > sx:
+            x = sx - self.__toplevel.allocation.width
+        else:
+            x = self.__cursor_location[0]
+
+        if by > sy:
+            y = sy - self.__toplevel.allocation.height
+        else:
+            y = self.__cursor_location[1]
+
+        self.move(x, y)
+
+    def show_all(self):
+        gtk.VBox.show_all(self)
+        self.__toplevel.show_all()
+
+    def hide_all(self):
+        gtk.VBox.hide_all(self)
+        self.__toplevel.hide_all()
+
+    def move(self, x, y):
+        self.__toplevel.move(x, y)
+
+if __name__ == "__main__":
+    ckbd = CaribouKeyboard()
+    ckbd.show_all()
+    gtk.main()
+