Updated Bar Char Demo - I thought this update was done long long ago! DOH!

DemoPrograms/Demo_Bar_Chart.py

@@ -19,31 +19,37 @@ import random
 # '--''--''--''--''--''--''--''--''--'
 
 
-BAR_WIDTH = 50
-BAR_SPACING = 75
-EDGE_OFFSET = 3
-GRAPH_SIZE = (500,500)
-DATA_SIZE = (500,500)
+BAR_WIDTH = 50      # width of each bar
+BAR_SPACING = 75    # space between each bar
+EDGE_OFFSET = 3     # offset from the left edge for first bar
+GRAPH_SIZE= DATA_SIZE = (500,500)       # size in pixels
 
-sg.theme('Light Brown 1')
-
-graph = sg.Graph(GRAPH_SIZE, (0,0), DATA_SIZE)
+sg.theme('Light brown 1')
 
 layout = [[sg.Text('Labelled Bar graphs using PySimpleGUI')],
-          [graph],
+          [sg.Graph(GRAPH_SIZE, (0,0), DATA_SIZE, k='-GRAPH-')],
           [sg.Button('OK'), sg.T('Click to display more data'), sg.Exit()]]
 
-window = sg.Window('Window Title', layout)
+window = sg.Window('Bar Graph', layout, finalize=True)
+
+graph = window['-GRAPH-']       # type: sg.Graph
 
 while True:
-    event, values = window.read()
-    if event in (sg.WIN_CLOSED, 'Exit'):
-        break
 
     graph.erase()
     for i in range(7):
-        graph_value = random.randint(0, 400)
+        graph_value = random.randint(0, GRAPH_SIZE[1])
         graph.draw_rectangle(top_left=(i * BAR_SPACING + EDGE_OFFSET, graph_value),
-                            bottom_right=(i * BAR_SPACING + EDGE_OFFSET + BAR_WIDTH, 0), fill_color='blue')
+                             bottom_right=(i * BAR_SPACING + EDGE_OFFSET + BAR_WIDTH, 0),
+                             fill_color=sg.theme_button_color()[1])
+
         graph.draw_text(text=graph_value, location=(i*BAR_SPACING+EDGE_OFFSET+25, graph_value+10))
+
+    # Normally at the top of the loop, but because we're drawing the graph first, making it at the bottom
+    event, values = window.read()
+
+    if event in (sg.WIN_CLOSED, 'Exit'):
+        break
+
+
 window.close()