From 6eb30b09566a53ef510532f2a1705d7fc22985a8 Mon Sep 17 00:00:00 2001
From: Tony Anderson <tony_anderson@usa.net>
Date: Mon, 22 Jun 2009 14:04:24 +0000
Subject: initial commit

---
(limited to 'pgu/gui/misc.py')

diff --git a/pgu/gui/misc.py b/pgu/gui/misc.py
new file mode 100644
index 0000000..afb10c5
--- /dev/null
+++ b/pgu/gui/misc.py
@@ -0,0 +1,43 @@
+from const import *
+import widget
+import pguglobals
+
+class ProgressBar(widget.Widget):
+    """A progress bar.
+    
+    <pre>ProgressBar(value,min,max)</pre>
+    
+    <dl>
+    <dt>value<dd>starting value
+    <dt>min<dd>minimum value rendered on the screen (usually 0)
+    <dt>max<dd>maximum value
+    </dl>
+    
+    <strong>Example</strong>
+    <code>
+    w = gui.ProgressBar(0,0,100)
+    w.value = 25
+    </code>
+    """
+
+    def __init__(self,value,min,max,**params):
+        params.setdefault('cls','progressbar')
+        widget.Widget.__init__(self,**params)
+        self.min,self.max,self.value = min,max,value
+    
+    def paint(self,s):
+        r = pygame.rect.Rect(0,0,self.rect.w,self.rect.h)
+        r.w = r.w*(self.value-self.min)/(self.max-self.min)
+        self.bar = r
+        pguglobals.app.theme.render(s,self.style.bar,r)
+        
+    def __setattr__(self,k,v):
+        if k == 'value':
+            v = int(v)
+            v = max(v,self.min)
+            v = min(v,self.max)
+        _v = self.__dict__.get(k,NOATTR)
+        self.__dict__[k]=v
+        if k == 'value' and _v != NOATTR and _v != v: 
+            self.send(CHANGE)
+            self.repaint()
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