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Console: new graphics package

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This commit is contained in:
Eduardo Silva 2007-06-10 17:19:59 -04:00
parent 29e68376e9
commit 8e918f865b
9 changed files with 229 additions and 234 deletions
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1
configure.ac
View File

@ -57,6 +57,7 @@ shell/model/Makefile
shell/model/devices/Makefile
shell/model/devices/network/Makefile
services/console/lib/Makefile
services/console/lib/graphics/Makefile
services/console/lib/procmem/Makefile
services/console/Makefile
services/console/interface/Makefile

40
services/console/interface/xo/battery.py
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@ -20,6 +20,7 @@ import gtk
import gobject
from label import Label
from graphics.box import BoxGraphic
class XO_Battery(gtk.Fixed):
@ -31,13 +32,13 @@ class XO_Battery(gtk.Fixed):
self._battery_charge = self._get_battery_status()
self._battery_drw = gtk.DrawingArea()
self._battery_drw.set_size_request(70, 150)
self._battery_drw.connect("expose-event", self.do_expose)
self._battery_box = BoxGraphic()
self._battery_box.set_size_request(70, 150)
self._battery_box.set_capacity(self._battery_charge)
fixed = gtk.Fixed();
fixed.set_border_width(10)
fixed.add(self._battery_drw)
fixed.add(self._battery_box)
hbox = gtk.HBox(False, 0)
hbox.pack_start(fixed, False, False, 4)
@ -85,22 +86,10 @@ class XO_Battery(gtk.Fixed):
if new_charge != self._battery_charge:
self._battery_charge = self._get_battery_status()
self.label_charge_value.set_text(str(self._battery_charge) + '%')
self._battery_drw.queue_draw()
self._battery_box.set_capacity(self._battery_charge)
return True
def do_expose(self, widget, event):
context = widget.window.cairo_create()
[width, height] = widget.size_request()
context.rectangle(0, 0, width, height)
context.set_source_rgb (0,0,0)
context.fill_preserve()
context.stroke()
self._draw_battery_usage(context, width, height)
def _get_battery_status(self):
battery_class_path = '/sys/class/battery/psu_0/'
capacity_path = battery_class_path + 'capacity_percentage'
@ -113,20 +102,3 @@ class XO_Battery(gtk.Fixed):
capacity = 0
return capacity
def _draw_battery_usage(self, context, width, height):
usage_height = (self._battery_charge*height)/100
context.rectangle(0, height - usage_height, width, height)
if self._battery_charge > 50:
context.set_source_rgb (0,1,0)
if self._battery_charge > 10 and self._battery_charge <= 50:
context.set_source_rgb (1,1,0)
if self._battery_charge <= 10:
context.set_source_rgb (1,0,0)
context.fill_preserve()

149
services/console/interface/xo/cpu.py
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@ -21,9 +21,11 @@ import sys
import gtk
import string
import gobject
import cairo
import procmem
from graphics.frequency import HorizontalGraphic
class CPU_Usage:
_CPU_HZ = 0
@ -87,6 +89,7 @@ class XO_CPU(gtk.Frame):
width = (gtk.gdk.screen_width() * 99 / 100) - 50
height = (gtk.gdk.screen_height() * 15 / 100) - 20
# Create graphic
self._graphic = HorizontalGraphic()
self._graphic.set_size_request(width, height)
@ -105,149 +108,7 @@ class XO_CPU(gtk.Frame):
self._cpu = self._DRW_CPU._get_CPU_usage()
self._updated = True
#print "Sending: " + str(self._cpu)
self.set_label('System CPU Usage: ' + str(self._cpu) + '%')
# Draw the value into the graphic
self._graphic.draw_value(self._cpu)
return True
class HorizontalGraphic(gtk.DrawingArea):
_MARGIN = 5
_LINE_WIDTH = 2
_GRAPH_OFFSET = 7
_range_x = []
_range_y = []
_frequency_timer = 0
def __init__(self):
gtk.DrawingArea.__init__(self)
self.connect('expose-event', self.do_expose)
self.connect('size-allocate', self._change_size_cb)
self._buffer = [0]
def do_expose(self, widget, event):
context = widget.window.cairo_create()
context.rectangle(0, 0, self._width - 1, self._height - 1)
context.set_source_rgb (0,0,0)
context.fill_preserve()
context.set_line_width(self._LINE_WIDTH)
if event.area.x == 0:
draw_all = True
self._draw_border_lines(context)
context.stroke()
else:
draw_all = False
context.rectangle(event.area.x, event.area.y, event.area.width, event.area.height)
context.clip()
context.set_source_rgb(1, 1, 1)
self._draw_buffer(event, widget, context, draw_all)
context.stroke()
self._updated = False
return False
def draw_value(self, percent):
redraw_all = False
if (len(self._buffer) + 1) *self._GRAPH_OFFSET >= self._width:
redraw_all = True
self._buffer = [self._buffer[-1]]
length = 1
else:
length = len(self._buffer) - 1
self._buffer.append(percent)
self._updated = True
if redraw_all:
area_x = 0
area_y = 0
height = self._height
width = self._width
else:
area_x = (length*self._GRAPH_OFFSET)
area_y = self._graph_y
width = self._GRAPH_OFFSET * 2
height = self._graph_height
self.queue_draw_area(area_x, area_y, width, height)
self._frequency_timer += 1
return True
def _draw_border_lines(self, context):
context.set_source_rgb(1, 1, 1)
self._draw_line(context, self._MARGIN, self._MARGIN, self._MARGIN, self._height - self._MARGIN)
self._draw_line(context, self._MARGIN, self._height - self._MARGIN - 1, self._width - self._MARGIN, self._height - self._MARGIN - 1)
def _draw_line(self, context, from_x, from_y, to_x, to_y):
#print ""
#print "DRAWING LINE"
#print "from: " + str(from_x) + "," + str(from_y) + "," + str(to_x) + "," + str(to_y)
context.move_to(from_x, from_y)
context.line_to(to_x, to_y)
def _draw_buffer(self, event, drwarea, context, draw_all=True):
buffer_offset = 0
freq = 1 # Frequency timer
length = len(self._buffer)
if length == 0:
return
# Context properties
context.set_line_width(self._LINE_WIDTH)
context.set_source_rgb(0,1,0)
if draw_all == True:
buffer_offset = 0
freq = 0
else:
freq = buffer_offset = (event.area.x/self._GRAPH_OFFSET)
for percent in self._buffer[buffer_offset:length]:
if buffer_offset == 0:
from_y = self._height - self._GRAPH_OFFSET
from_x = self._GRAPH_OFFSET
else:
from_y = self._get_y(self._buffer[buffer_offset-1])
from_x = (freq * self._GRAPH_OFFSET)
to_x = (freq+1) * self._GRAPH_OFFSET
to_y = self._get_y(percent)
self._draw_line(context, from_x, from_y, to_x, to_y)
buffer_offset+=1
freq+=1
context.stroke()
def _get_y(self, percent):
y_value = self._GRAPH_OFFSET + (self._graph_height - ((percent*self._graph_height)/100))
return int(y_value)
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)
# Just for test >:)
#graph = HorizontalGraphic()
#graph.set_size_request(400,200)
"""
window = gtk.Window()
window.set_size_request(500, 250)
window.add(XO_CPU())
window.show_all()
gtk.main()
"""

53
services/console/interface/xo/drwarea.py
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@ -1,53 +0,0 @@
#!/usr/bin/env python
# Copyright (C) 2007, Eduardo Silva (edsiper@gmail.com).
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#############################################
# Drawing area tools
#############################################
import gtk
import gtk.gdk
class Drawing_Area_Tools:
height = 0
width = 0
margin = 5 # Left and bottom margin
range_x = []
range_y = []
def __init__(self, drwarea):
drwarea_size = drwarea.get_size_request()
self.width = drwarea_size[0]
self.height = drwarea_size[1]
self.range_x = {'from': self.margin+2, 'to': self.width - (self.margin+2)}
self.range_y = {'from': self.margin+2, 'to': self.height - (self.margin+2)}
def draw_line(self, context, from_x, from_y, to_x, to_y):
context.move_to(from_x, from_y)
context.line_to(to_x, to_y)
def draw_border_lines(self, context):
context.set_source_rgb(1, 1, 1)
self.draw_line(context, self.margin, self.margin, self.margin, self.height - self.margin)
self.draw_line(context, self.margin, self.height - self.margin - 1, self.width - self.margin, self.height - self.margin - 1)
context.stroke()

2
services/console/lib/Makefile.am
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@ -1,4 +1,4 @@
SUBDIRS = procmem
SUBDIRS = procmem graphics
sugardir = $(pkgdatadir)/shell/console/lib
sugar_PYTHON =

7
services/console/lib/graphics/Makefile.am Normal file
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@ -0,0 +1,7 @@
sugardir = $(pkgdatadir)/services/console/lib/graphics
sugar_PYTHON = \
__init__.py \
box.py \
frequency.py

0
services/console/lib/graphics/__init__.py Normal file
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63
services/console/lib/graphics/box.py Normal file
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@ -0,0 +1,63 @@
##!/usr/bin/env python
# Copyright (C) 2007, Eduardo Silva (edsiper@gmail.com).
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gtk
import cairo
class BoxGraphic(gtk.DrawingArea):
def __init__(self):
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()
context.rectangle(0, 0, self._width, self._height)
context.set_source_rgb (0,0,0)
context.fill_preserve()
context.stroke()
print self._percent
self._draw_content(context, self._percent)
def set_capacity(self, percent):
self._percent = percent
self.queue_draw()
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)
context.fill_preserve()
def _change_size_cb(self, widget, allocation):
self._width = allocation.width
self._height = allocation.height
self.queue_draw()

144
services/console/lib/graphics/frequency.py Normal file
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@ -0,0 +1,144 @@
##!/usr/bin/env python
# Copyright (C) 2007, Eduardo Silva (edsiper@gmail.com).
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gtk
class HorizontalGraphic(gtk.DrawingArea):
_MARGIN = 5
_LINE_WIDTH = 2
_GRAPH_OFFSET = 7
_range_x = []
_range_y = []
_frequency_timer = 0
def __init__(self):
gtk.DrawingArea.__init__(self)
self.connect('expose-event', self.do_expose)
self.connect('size-allocate', self._change_size_cb)
self._buffer = [0]
def do_expose(self, widget, event):
context = widget.window.cairo_create()
context.rectangle(0, 0, self._width - 1, self._height - 1)
context.set_source_rgb (0,0,0)
context.fill_preserve()
context.set_line_width(self._LINE_WIDTH)
if event.area.x == 0:
draw_all = True
self._draw_border_lines(context)
context.stroke()
else:
draw_all = False
context.rectangle(event.area.x, event.area.y, event.area.width, event.area.height)
context.clip()
context.set_source_rgb(1, 1, 1)
self._draw_buffer(event, widget, context, draw_all)
context.stroke()
self._updated = False
return False
def draw_value(self, percent):
redraw_all = False
if (len(self._buffer) + 1) *self._GRAPH_OFFSET >= self._width:
redraw_all = True
self._buffer = [self._buffer[-1]]
length = 1
else:
length = len(self._buffer) - 1
self._buffer.append(percent)
self._updated = True
if redraw_all:
area_x = 0
area_y = 0
height = self._height
width = self._width
else:
area_x = (length*self._GRAPH_OFFSET)
area_y = self._graph_y
width = self._GRAPH_OFFSET * 2
height = self._graph_height
self.queue_draw_area(area_x, area_y, width, height)
self._frequency_timer += 1
return True
def _draw_border_lines(self, context):
context.set_source_rgb(1, 1, 1)
self._draw_line(context, self._MARGIN, self._MARGIN, self._MARGIN, self._height - self._MARGIN)
self._draw_line(context, self._MARGIN, self._height - self._MARGIN - 1, self._width - self._MARGIN, self._height - self._MARGIN - 1)
def _draw_line(self, context, from_x, from_y, to_x, to_y):
context.move_to(from_x, from_y)
context.line_to(to_x, to_y)
def _draw_buffer(self, event, drwarea, context, draw_all=True):
buffer_offset = 0
freq = 1 # Frequency timer
length = len(self._buffer)
if length == 0:
return
# Context properties
context.set_line_width(self._LINE_WIDTH)
context.set_source_rgb(0,1,0)
if draw_all == True:
buffer_offset = 0
freq = 0
else:
freq = buffer_offset = (event.area.x/self._GRAPH_OFFSET)
for percent in self._buffer[buffer_offset:length]:
if buffer_offset == 0:
from_y = self._height - self._GRAPH_OFFSET
from_x = self._GRAPH_OFFSET
else:
from_y = self._get_y(self._buffer[buffer_offset-1])
from_x = (freq * self._GRAPH_OFFSET)
to_x = (freq+1) * self._GRAPH_OFFSET
to_y = self._get_y(percent)
self._draw_line(context, from_x, from_y, to_x, to_y)
buffer_offset+=1
freq+=1
context.stroke()
def _get_y(self, percent):
y_value = self._GRAPH_OFFSET + (self._graph_height - ((percent*self._graph_height)/100))
return int(y_value)
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)