--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pyntnclick/cursor.py	Sat Feb 11 13:10:18 2012 +0200
@@ -0,0 +1,116 @@
+# cursor.py
+# Copyright Boomslang team, 2010 (see COPYING File)
+# Sprite Cursor
+
+from albow.resource import get_image
+from albow.widget import Widget
+from pygame.sprite import Sprite, RenderUpdates
+from pygame.rect import Rect
+import pygame
+import pygame.color
+import pygame.cursors
+import pygame.mouse
+
+from gamelib.constants import SCENE_SIZE
+
+
+class CursorSprite(Sprite):
+    "A Sprite that follows the Cursor"
+
+    def __init__(self, filename, x=None, y=None):
+        Sprite.__init__(self)
+        self.filename = filename
+        self.pointer_x = x
+        self.pointer_y = y
+        self.highlighted = False
+
+    def load(self):
+        if not hasattr(self, 'plain_image'):
+            self.plain_image = get_image('items', self.filename)
+            self.image = self.plain_image
+            self.rect = self.image.get_rect()
+
+            if self.pointer_x is None:
+                self.pointer_x = self.rect.size[0] // 2
+            if self.pointer_y is None:
+                self.pointer_y = self.rect.size[1] // 2
+
+            self.highlight = pygame.Surface(self.rect.size)
+            color = pygame.color.Color(255, 100, 100, 0)
+            self.highlight.fill(color)
+
+    def update(self):
+        pos = pygame.mouse.get_pos()
+        self.rect.left = pos[0] - self.pointer_x
+        self.rect.top = pos[1] - self.pointer_y
+
+    def set_highlight(self, enable):
+        if enable != self.highlighted:
+            self.load()
+            self.highlighted = enable
+            self.image = self.plain_image.copy()
+            if enable:
+                self.image.blit(self.highlight, self.highlight.get_rect(),
+                                None, pygame.BLEND_MULT)
+
+
+HAND = CursorSprite('hand.png', 12, 0)
+
+
+class CursorWidget(Widget):
+    """Mix-in widget to ensure that mouse_move is propogated to parents"""
+
+    cursor = HAND
+    _cursor_group = RenderUpdates()
+    _loaded_cursor = None
+
+    def __init__(self, screen, *args, **kwargs):
+        Widget.__init__(self, *args, **kwargs)
+        self.screen = screen
+
+    def enter_screen(self):
+        pygame.mouse.set_visible(0)
+
+    def leave_screen(self):
+        pygame.mouse.set_visible(1)
+
+    def draw_all(self, surface):
+        Widget.draw_all(self, surface)
+        self.draw_cursor(self.get_root().surface)
+
+    def draw_cursor(self, surface):
+        self.set_cursor(self.screen.state.tool)
+        self.cursor.set_highlight(self.cursor_highlight())
+        if self.cursor is not None:
+            self._cursor_group.update()
+            self._cursor_group.draw(surface)
+
+    def mouse_delta(self, event):
+        self.invalidate()
+
+    @classmethod
+    def set_cursor(cls, item):
+        if item is None or item.CURSOR is None:
+            cls.cursor = HAND
+        else:
+            cls.cursor = item.CURSOR
+        if cls.cursor != cls._loaded_cursor:
+            cls._loaded_cursor = cls.cursor
+            if cls.cursor is None:
+                pygame.mouse.set_visible(1)
+                cls._cursor_group.empty()
+            else:
+                pygame.mouse.set_visible(0)
+                cls.cursor.load()
+                cls._cursor_group.empty()
+                cls._cursor_group.add(cls.cursor)
+
+    def cursor_highlight(self):
+        if not Rect((0, 0), SCENE_SIZE).collidepoint(pygame.mouse.get_pos()):
+            return False
+        if self.screen.state.highlight_override:
+            return True
+        current_thing = self.screen.state.current_thing
+        if current_thing:
+            return current_thing.is_interactive()
+        return False