[billreminder] Updated graphic lib and now can handle empty datasets with no warnings.

[Og B. Maciel <ogmaciel src gnome org>]

commit b62686758b963fd1eda6342716e5234b9a348522
Author: Og B. Maciel <ogmaciel gnome org>
Date:   Fri Nov 27 18:45:57 2009 -0500

    Updated graphic lib and now can handle empty datasets with no warnings.

 src/gui/widgets/charting.py |   10 +++++-----
 src/gui/widgets/graphics.py |   15 ++++++---------
 2 files changed, 11 insertions(+), 14 deletions(-)
---
diff --git a/src/gui/widgets/charting.py b/src/gui/widgets/charting.py
index 4385600..ff45c0f 100644
--- a/src/gui/widgets/charting.py
+++ b/src/gui/widgets/charting.py
@@ -292,10 +292,10 @@ class BarChart(Chart):
             self.layout.set_text(self.keys[i])
             label_w, label_h = self.layout.get_pixel_size()
 
-            intended_x = (bar_width * i) + (bar_width - label_w) / 2.0
+            intended_x = (bar_width * i) + (bar_width - label_w) / 2.0 + self.graph_x
             
             if not prev_label_end or intended_x > prev_label_end:
-                self.context.move_to(intended_x, self.graph_height - 4)
+                self.context.move_to(intended_x, self.graph_height + 4)
                 context.show_layout(self.layout)
             
                 prev_label_end = intended_x + label_w + 3
@@ -385,13 +385,13 @@ class BarChart(Chart):
                     self.layout.set_text(self.value_format % i)
                     label_w, label_h = self.layout.get_pixel_size()
                     context.move_to(legend_width - label_w - 8,
-                                    self.get_pixel(y_value=y) - label_h / 2)
+                                    y - label_h / 2)
                     self.set_color(graphics.Colors.aluminium[4])
                     context.show_layout(self.layout)
 
                 self.set_color((255, 255, 255))
-                self.context.move_to(legend_width, self.get_pixel(y_value=y))
-                self.context.line_to(self.width, self.get_pixel(y_value=y))
+                self.context.move_to(legend_width, y)
+                self.context.line_to(self.width, y)
 
 
         #stack keys
diff --git a/src/gui/widgets/graphics.py b/src/gui/widgets/graphics.py
index c7a02a5..2bdebb9 100644
--- a/src/gui/widgets/graphics.py
+++ b/src/gui/widgets/graphics.py
@@ -54,7 +54,7 @@ class Area(gtk.DrawingArea):
         self.__prev_mouse_regions = None
         
         self.tweener = pytweener.Tweener(0.4, pytweener.Easing.Cubic.easeInOut)
-        self.framerate = 30 #thirty seems to be good enough to avoid flicker
+        self.framerate = 80
         self.last_frame_time = None
         self.__animating = False
 
@@ -82,10 +82,8 @@ class Area(gtk.DrawingArea):
         self.tweener.update(time_since_start)
 
         self.queue_draw()
-        self.window.process_updates(True)
 
         self.last_frame_time = dt.datetime.now()
-
         return self.__animating
 
 
@@ -145,9 +143,8 @@ class Area(gtk.DrawingArea):
 
     """ exposure events """
     def do_configure_event(self, event):
-        (self.__width, self.__height) = self.window.get_size()
-        self.queue_draw()
-                    
+        (self.width, self.height) = self.window.get_size()
+
     def do_expose_event(self, event):
         self.width, self.height = self.window.get_size()
         self.context = self.window.cairo_create()
@@ -220,7 +217,7 @@ class Area(gtk.DrawingArea):
 
 
 """ simple example """
-class SimpleAnimation(Area):
+class SampleArea(Area):
     def __init__(self):
         Area.__init__(self)
         self.rect_x, self.rect_y = 10.5, 10.5
@@ -247,10 +244,10 @@ class BasicWindow:
         self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
     
         self.window.set_title("Graphics Module")
-        self.window.set_size_request(500, 500)
+        self.window.set_size_request(300, 300)
         self.window.connect("delete_event", self.delete_event)
     
-        self.graphic = SimpleAnimation()
+        self.graphic = SampleArea()
         
         box = gtk.VBox()
         box.pack_start(self.graphic)