add hg and python

1 files changed, 60 insertions, 0 deletions

diff --git a/sys/src/cmd/python/Demo/tkinter/matt/canvas-with-scrollbars.py b/sys/src/cmd/python/Demo/tkinter/matt/canvas-with-scrollbars.py
new file mode 100644
index 000000000..81ef25a88
--- /dev/null
+++ b/sys/src/cmd/python/Demo/tkinter/matt/canvas-with-scrollbars.py
@@ -0,0 +1,60 @@
+from Tkinter import *
+
+# This example program creates a scroling canvas, and demonstrates
+# how to tie scrollbars and canvses together. The mechanism
+# is analogus for listboxes and other widgets with
+# "xscroll" and "yscroll" configuration options.
+
+class Test(Frame):
+    def printit(self):
+        print "hi"
+
+    def createWidgets(self):
+        self.question = Label(self, text="Can Find The BLUE Square??????")
+        self.question.pack()
+
+        self.QUIT = Button(self, text='QUIT', background='red',
+                           height=3, command=self.quit)
+        self.QUIT.pack(side=BOTTOM, fill=BOTH)
+        spacer = Frame(self, height="0.25i")
+        spacer.pack(side=BOTTOM)
+
+        # notice that the scroll region (20" x 20") is larger than
+        # displayed size of the widget (5" x 5")
+        self.draw = Canvas(self, width="5i", height="5i",
+                           background="white",
+                           scrollregion=(0, 0, "20i", "20i"))
+
+        self.draw.scrollX = Scrollbar(self, orient=HORIZONTAL)
+        self.draw.scrollY = Scrollbar(self, orient=VERTICAL)
+
+        # now tie the three together. This is standard boilerplate text
+        self.draw['xscrollcommand'] = self.draw.scrollX.set
+        self.draw['yscrollcommand'] = self.draw.scrollY.set
+        self.draw.scrollX['command'] = self.draw.xview
+        self.draw.scrollY['command'] = self.draw.yview
+
+        # draw something. Note that the first square
+        # is visible, but you need to scroll to see the second one.
+        self.draw.create_rectangle(0, 0, "3.5i", "3.5i", fill="black")
+        self.draw.create_rectangle("10i", "10i", "13.5i", "13.5i", fill="blue")
+
+        # pack 'em up
+        self.draw.scrollX.pack(side=BOTTOM, fill=X)
+        self.draw.scrollY.pack(side=RIGHT, fill=Y)
+        self.draw.pack(side=LEFT)
+
+
+    def scrollCanvasX(self, *args):
+        print "scrolling", args
+        print self.draw.scrollX.get()
+
+
+    def __init__(self, master=None):
+        Frame.__init__(self, master)
+        Pack.config(self)
+        self.createWidgets()
+
+test = Test()
+
+test.mainloop()