From 361581c0d157bb28f64dfe4f1f9cfb976172d0b6 Mon Sep 17 00:00:00 2001 From: Eduardo Silva Date: Sat, 10 Mar 2007 00:39:55 -0300 Subject: [PATCH] Console: fix cpu usage, new kernel version, font changes... --- services/console/interface/xo/cpu.py | 154 +++++++++++++++++------ services/console/interface/xo/drwarea.py | 22 +--- services/console/interface/xo/system.py | 49 ++++++-- 3 files changed, 154 insertions(+), 71 deletions(-) diff --git a/services/console/interface/xo/cpu.py b/services/console/interface/xo/cpu.py index 029223d0..1be21c8a 100644 --- a/services/console/interface/xo/cpu.py +++ b/services/console/interface/xo/cpu.py @@ -79,20 +79,19 @@ class XO_CPU(gtk.Frame): context = None frequency_timer = 1 - graph_offset = 7 - + graph_offset = 7 + def __init__(self): gtk.Frame.__init__(self, 'System CPU Usage') - - self.drw_width = gtk.gdk.screen_width() * 90 / 100 - self.drw_height = gtk.gdk.screen_height() * 20 / 100 - - self.set_size_request(self.drw_width, self.drw_height + 60) self.set_border_width(10) + self._updated = False + self.drw_width = (gtk.gdk.screen_width() * 99 / 100) - 50 + self.drw_height = (gtk.gdk.screen_height() * 15 / 100) - 20 + self.y_cpu = self.drw_height - self.graph_offset self._cpu = 0 - self._cpu_buffer = [] + self._cpu_buffer = [0] self._drawingarea = gtk.DrawingArea() self._drawingarea.set_size_request(self.drw_width, self.drw_height) @@ -100,7 +99,7 @@ class XO_CPU(gtk.Frame): self.dat = drwarea.Drawing_Area_Tools(self._drawingarea) - fixed = gtk.Fixed(); + fixed = gtk.Fixed() fixed.set_border_width(10) fixed.add(self._drawingarea) @@ -108,23 +107,37 @@ class XO_CPU(gtk.Frame): DRW_CPU = CPU_Usage() DRW_CPU.frequency = 1000 # 1 Second - - gobject.timeout_add(DRW_CPU.frequency, self._update_cpu_usage, DRW_CPU) + gobject.timeout_add(DRW_CPU.frequency, self._update_cpu_usage, DRW_CPU) def _update_cpu_usage(self, DRW_CPU): + redraw_all = False + + # end of the drawing area if ((self.frequency_timer + 1)*self.graph_offset) >= (self.drw_width - self.graph_offset): self.frequency_timer = 1 - self._cpu_buffer = [] + self._cpu_buffer = [self._cpu_buffer[-1]] + redraw_all = True + length = 1 + else: + length = len(self._cpu_buffer) - 1 self._cpu = DRW_CPU._get_CPU_usage() self._cpu_buffer.append(self._cpu) self._updated = True - self._drawingarea.queue_draw() + + if redraw_all: + area_x = 0 + area_width = self.drw_width + else: + area_x = (length*self.graph_offset) + area_width = self.graph_offset*2 + + self._drawingarea.queue_draw_area(area_x, 0, area_width, self.drw_height - 5) self.frequency_timer += 1 - + return True def _get_y_cpu(self, pcpu): @@ -137,49 +150,112 @@ class XO_CPU(gtk.Frame): return int(y_value) def do_expose(self, widget, event): - context = widget.window.cairo_create() - - context.rectangle(0, 0, self.dat.width - 1, self.dat.height - 1) - #context.clip() + context = widget.window.cairo_create() + context.rectangle(0, 0, self.dat.width - 1, self.dat.height - 1) context.set_source_rgb (0,0,0) context.fill_preserve() + if event.area.x == 0: + draw_all = True + else: + draw_all = False + + context.rectangle(event.area.x, event.area.y, event.area.width, event.area.height) + context.clip() + # Drawing horizontal and vertical border lines self.dat.draw_border_lines(context) - + # Drawing grid line_margin = self.dat.margin context.set_source_rgb(1, 1, 1) context.set_line_width(1) - self.dat.draw_grid(context, line_margin + 1, line_margin + 1, self.dat.width - line_margin - 2, self.dat.height - line_margin - 2) - context.stroke() + #self.draw_grid(context, event, line_margin + 1, line_margin + 1, self.dat.width - line_margin - 2, self.dat.height - line_margin - 2) + + self._draw_buffer(event, widget, context, draw_all) - self._draw_buffer(widget, context) - cpu_label = str(round(self._cpu, 4)) self.set_label('System CPU Usage: ' + cpu_label + ' %') self._updated = False return False - def _draw_buffer(self, drwarea, context): - freq = 1 # Frequency timer - last_y = self.drw_height - self.graph_offset - - for pcpu in self._cpu_buffer: - - from_x = freq * self.graph_offset - from_y = last_y + # Draw a grid + def draw_grid(self, context, event, init_x, init_y, end_x, end_y): - freq+=1 + x_range = (end_x - init_x) + 5 + y_range = (end_y - init_y) + 1 + + current_y = init_y + context.set_line_width(0.3) + + #for y in range(y_range): + for y in range(0, y_range, 20): + if (y%20) == 0: + context.move_to(init_x, y) + context.line_to(end_x, y) + + for x in range(0, x_range, 20): + if (x%20) == 0: + context.move_to(x, init_y) + context.line_to(x, end_y) + + context.stroke() + + def check_context(self, event, offset, length, freq): + print "CONTEXT ALLOWED - from: " + str(event.area.x) + " to: " + str(event.area.x+event.area.width) + + if event.area.x != (freq*self.graph_offset): + print "************************" + print " ERROR DRAWING CONTEXT" + print " ---> Area X: " + str(event.area.x) + " To X: " + str(freq*self.graph_offset) + print "************************" - to_x = freq * self.graph_offset - last_y = to_y = self._get_y_cpu(pcpu) - - # Context properties - context.set_line_width(2) - context.set_source_rgb(0,1,0) + def _draw_buffer(self, event, drwarea, context, draw_all=True): + buffer_offset = 0 + freq = 1 # Frequency timer + + length = len(self._cpu_buffer) + + if length == 0: + return + + # Context properties + context.set_line_width(2) + 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 pcpu in self._cpu_buffer[buffer_offset:length]: + if buffer_offset == 0: + from_y = self.drw_height - self.graph_offset + from_x = self.graph_offset + else: + from_y = self._get_y_cpu(self._cpu_buffer[buffer_offset-1]) + from_x = (freq * self.graph_offset) + + + to_x = (freq+1) * self.graph_offset + to_y = self._get_y_cpu(pcpu) + # Debug context, just for development + #self.check_context(event, buffer_offset, length, freq) + self.dat.draw_line(context, from_x, from_y, to_x, to_y) - context.stroke() + buffer_offset+=1 + freq+=1 + + context.stroke() + +""" +window = gtk.Window() +window.add(XO_CPU()) +window.set_size_request(gtk.gdk.screen_width() * 85 / 100, 400) +window.show_all() +gtk.main() +""" \ No newline at end of file diff --git a/services/console/interface/xo/drwarea.py b/services/console/interface/xo/drwarea.py index b0e598a7..996e6865 100644 --- a/services/console/interface/xo/drwarea.py +++ b/services/console/interface/xo/drwarea.py @@ -54,24 +54,4 @@ class Drawing_Area_Tools: 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() - - # Draw a grid - def draw_grid(self, context, init_x, init_y, end_x, end_y): - - x_range = (end_x - init_x) + 5 - y_range = (end_y - init_y) + 1 - - current_y = init_y - context.set_line_width(0.3) - - for y in range(y_range): - if (y%20) == 0: - context.move_to(init_x, y) - context.line_to(end_x, y) - - for x in range(x_range): - if (x%20) == 0: - context.move_to(x, init_y) - context.line_to(x, end_y) - - context.stroke() + \ No newline at end of file diff --git a/services/console/interface/xo/system.py b/services/console/interface/xo/system.py index 21e32953..e6d82378 100644 --- a/services/console/interface/xo/system.py +++ b/services/console/interface/xo/system.py @@ -18,25 +18,39 @@ import os import gtk +import pango class XO_System(gtk.Fixed): - + def __init__(self): gtk.Fixed.__init__(self) - self.set_border_width(10) + self.set_border_width(12) + table = gtk.Table(2, 2) + table.set_border_width(15) + table.set_col_spacings(7) + table.set_row_spacings(7) + + # BUILD build = self._get_system_build() - label_build = gtk.Label('OLPC Build: ' + str(build)) - - hbox = gtk.HBox(False, 0) - hbox.pack_start(label_build, False, False, 5) + label_build = self.get_label('OLPC Build:') + label_build_value = self.get_label(build) - fixed_border = gtk.Fixed() - fixed_border.set_border_width(8) - fixed_border.add(hbox) + # KERNEL + sysinfo = os.uname() + label_kernel = self.get_label('Kernel Version: ') + label_kernel_value = self.get_label(sysinfo[0] + '-' + sysinfo[2]) + + # OLPC Build + table.attach(label_build, 0, 1, 0, 1) + table.attach(label_build_value, 1,2, 0,1) + + # Kernel Version + table.attach(label_kernel, 0, 1, 1, 2) + table.attach(label_kernel_value, 1, 2, 1, 2) frame = gtk.Frame('System Information') - frame.add(fixed_border) + frame.add(table) self.add(frame) self.show_all() @@ -46,8 +60,21 @@ class XO_System(gtk.Fixed): try: f = open(build_file_path, 'r') - build = f.read() + build = int(f.read()) f.close() + return build except: return "None" + + def get_label(self, string): + label = gtk.Label(string) + label.set_alignment(0.0, 0.5) + label.modify_font(self._set_font()) + return label + + def _set_font(self): + font = pango.FontDescription('Sans 8') + font.set_weight(pango.WEIGHT_NORMAL) + + return font