Console: new nandflash status viewer

services/console/lib/graphics/box.py

@@ -17,14 +17,34 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 import gtk
+import gobject
 import cairo
 
+COLOR_MODE_NORMAL = 0
+COLOR_MODE_REVERSE = 1
+
 class BoxGraphic(gtk.DrawingArea):
-    def __init__(self):
+    __gtype_name__ = 'ConsoleBoxGraphic'
+
+    __gproperties__ = {
+        'color-mode': (gobject.TYPE_INT, None, None, 0, 1, COLOR_MODE_NORMAL,
+                    gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY)
+
+    }
+
+    _color_status_high = [0, 0, 0]
+    _color_status_medium = [0, 0, 0]
+    _color_status_low = [0, 0, 0]
+
+    _limit_high = 0
+    _limit_medium = 0
+    _limit_low = 0
+
+    def __init__(self, **kwargs):
+        gobject.GObject.__init__(self, **kwargs)
         gtk.DrawingArea.__init__(self)
         self.connect("expose-event", self.do_expose)
         self.connect('size-allocate', self._change_size_cb)
-        self.set_capacity(0)
 
     def do_expose(self, widget, event):
         context = widget.window.cairo_create()
@@ -33,27 +53,47 @@ class BoxGraphic(gtk.DrawingArea):
         context.set_source_rgb (0,0,0)
         context.fill_preserve()
         context.stroke()
-        
-        print self._percent
+
         self._draw_content(context, self._percent)
 
+    def do_set_property(self, pspec, value):
+        if pspec.name == 'color-mode':
+            self._configure(mode=value)
+        else:
+            raise AssertionError
+
     def set_capacity(self, percent):
         self._percent = percent
         self.queue_draw()
 
+    def _configure(self, mode):
+        # Normal mode configure the box as a battery
+        # full is good, empty is bad
+        if mode == COLOR_MODE_NORMAL:
+            self._color_status_high = [0, 1, 0]
+            self._color_status_medium = [1,1,0]
+            self._color_status_low = [1,0,0]
+            self._limit_high = 60
+            self._limit_medium = 10
+        # Reverse mode configure the box as a storage device
+        # full is bad, empty is good
+        elif mode == COLOR_MODE_REVERSE:
+            self._color_status_high = [1,0,0] 
+            self._color_status_medium = [1,1,0]
+            self._color_status_low = [0, 1, 0]
+            self._limit_high = 85
+            self._limit_medium = 40
+
     def _draw_content(self, context, percent):
         usage_height = (percent*self._height)/100
-
         context.rectangle(0, self._height - usage_height, self._width, self._height)
 
-        if self._percent > 50:
-            context.set_source_rgb (0,1,0)
-
-        if self._percent > 10 and self._percent <= 50:
-            context.set_source_rgb (1,1,0)
-
-        if self._percent <= 10:
-            context.set_source_rgb (1,0,0)
+        if self._percent > self._limit_high:
+            context.set_source_rgb(*self._color_status_high)
+        elif self._percent >= self._limit_medium and self._percent <= self._limit_high:
+            context.set_source_rgb(*self._color_status_medium)
+        elif self._percent < self._limit_medium:
+            context.set_source_rgb(*self._color_status_low)
 
         context.fill_preserve()
 

services/console/lib/graphics/frequency.py

@@ -41,9 +41,8 @@ class HorizontalGraphic(gtk.DrawingArea):
 
         if event.area.x == 0:
             draw_all = True
-
             self._draw_border_lines(context)
-            context.stroke()            
+            context.stroke()
         else:
             draw_all = False
             context.rectangle(event.area.x, event.area.y, event.area.width, event.area.height)
@@ -75,9 +74,9 @@ class HorizontalGraphic(gtk.DrawingArea):
             height = self._height
             width = self._width
         else:
-            area_x = (length*self._GRAPH_OFFSET)
+            area_x = self._graph_x + (length*self._GRAPH_OFFSET)
             area_y = self._graph_y
-            width = self._GRAPH_OFFSET * 2
+            width = self._GRAPH_OFFSET*2
             height = self._graph_height
 
         self.queue_draw_area(area_x, area_y, width, height)
@@ -115,8 +114,8 @@ class HorizontalGraphic(gtk.DrawingArea):
 
         for percent in self._buffer[buffer_offset:length]:
             if buffer_offset == 0:
-                from_y = self._height - self._GRAPH_OFFSET
-                from_x = self._GRAPH_OFFSET
+                from_y = self._get_y(self._buffer[0])
+                from_x = self._graph_x
             else:
                 from_y = self._get_y(self._buffer[buffer_offset-1])
                 from_x = (freq * self._GRAPH_OFFSET)
@@ -131,14 +130,18 @@ class HorizontalGraphic(gtk.DrawingArea):
         context.stroke()
 
     def _get_y(self, percent):
-        y_value = self._GRAPH_OFFSET + (self._graph_height - ((percent*self._graph_height)/100))
-        return int(y_value) 
+        if percent==0:
+            percent = 1
+        
+        graph_y = ((self._height)/(100 - 1))*(percent - 1)
+        y = self._LINE_WIDTH + abs(abs(self._height - graph_y) - self._MARGIN*2)
+        return int(y)
 
     def _change_size_cb(self, widget, allocation):
         self._width = allocation.width
         self._height = allocation.height
 
         self._graph_x = self._MARGIN + self._LINE_WIDTH
-        self._graph_y = self._MARGIN + self._LINE_WIDTH
-        self._graph_width = self._width - (self._MARGIN + self._LINE_WIDTH)
-        self._graph_height = self._height - ((self._MARGIN + self._LINE_WIDTH)*2)
+        self._graph_y = self._MARGIN
+        self._graph_width = self._width - (self._MARGIN*2 + self._LINE_WIDTH)
+        self._graph_height = self._height - ((self._MARGIN*2 + self._LINE_WIDTH))