X-Git-Url: https://git.ctpug.org.za/?a=blobdiff_plain;f=tabakrolletjie%2Fwidgets.py;h=c1bbc941c38a924153af2875e9af59449b1b776f;hb=0244fa47c747ff7c68bba61328aea7a6ac9d82c8;hp=ff854de1f70b140e0e58926a51a8deb2c7a05e05;hpb=64b201d5de529398659af1022cabb985acd52ecc;p=tabakrolletjie.git

diff --git a/tabakrolletjie/widgets.py b/tabakrolletjie/widgets.py
index ff854de..c1bbc94 100644
--- a/tabakrolletjie/widgets.py
+++ b/tabakrolletjie/widgets.py
@@ -6,14 +6,23 @@ import pygame.locals as pgl
 
 from .loader import loader
 from .constants import FONTS
+from .transforms import NullTransform, Multiply
 
 
 class Button(object):
 
-    def __init__(self, size, pos=None, padding=10):
+    def __init__(self, size, name=None, pos=None, padding=10):
         self._size = size
         self._padding = padding
         self.position = pos
+        self.name = name
+        self.enabled = True
+
+    def enable(self):
+        self.enabled = True
+
+    def disable(self):
+        self.enabled = False
 
     @property
     def position(self):
@@ -38,6 +47,8 @@ class Button(object):
         pass
 
     def pressed(self, ev):
+        if not self.enabled:
+            return False
         if self._pos is None:
             # Unplaced buttons can't be pressed
             return False
@@ -48,12 +59,48 @@ class Button(object):
         return False
 
 
+class SpacerButton(Button):
+    """ Add a nothing object which can be used to space other things,
+        but is never pressed """
+
+    def pressed(self, ev):
+        return False
+
+
 class TextButton(Button):
 
-    def __init__(self, text, colour, pos=None, padding=10):
+    def __init__(self, text, colour, name=None, pos=None, padding=10):
         font = loader.load_font(FONTS['sans'], size=24)
         self._text = font.render(text, True, colour)
-        super(TextButton, self).__init__(self._text.get_size(), pos, padding)
+        self._disabled_text = self._text.copy()
+        Multiply(colour=(80, 80, 80)).apply(self._disabled_text)
+        super(TextButton, self).__init__(self._text.get_size(), name,
+                                         pos, padding)
+
+    def render(self, surface):
+        if self.enabled:
+            surface.blit(self._text, self._pos, None)
+        else:
+            surface.blit(self._disabled_text, self._pos, None)
+
+
+class ImageButton(Button):
+
+    def __init__(self, *imgparts, **kwargs):
+        transform = kwargs.pop("transform", NullTransform())
+        self._img = kwargs.pop("image", None)
+        if self._img is None:
+            self._img = loader.load_image(*imgparts, transform=transform)
+        name = kwargs.get('name')
+        pos = kwargs.get('pos')
+        padding = kwargs.get('padding', 0)
+        super(ImageButton, self).__init__(self._img.get_size(), name,
+                                          pos, padding)
+
+    def update_image(self, *imgparts, **kwargs):
+        transform = kwargs.pop("transform", NullTransform())
+        self._img = loader.load_image(*imgparts, transform=transform)
+        Multiply((128, 128, 128)).apply(self._disabled_img)
 
     def render(self, surface):
-        surface.blit(self._text, self._pos, None)
+        surface.blit(self._img, self._pos, None)