# -*-coding: utf-8 -*-
# vim: sw=4 ts=4 expandtab ai
-import gtk
-import gobject
-from random import randint
+from random import random
+from math import pi, cos, sin, sqrt
+import os.path
+#==============================================================================
-class Control(object):
- def __init__(self, config):
- win_width = config.get('window_width')
- win_height = config.get('window_height')
- self.out_ui = Out_Diag_Presentation(win_width, win_height)
-
- def show(self, filelist, fullsize):
- self.out_ui.get_data(filelist, fullsize)
-
- def run(self):
- self.out_ui.run()
-
-
-class Abstraction(object):
+class Cli_Presentation(object):
pass
+#==============================================================================
class Gtk_Presentation(object):
+ def __init__(self, filelist, maxdata=10):
+ import gtk
+ import cairo
- def __init__(self):
-
- self.area = gtk.DrawingArea()
- self.area.set_size_request(250, 200) ###
- self.area.set_events(gtk.gdk.POINTER_MOTION_MASK |
- gtk.gdk.POINTER_MOTION_HINT_MASK )
- self.area.connect('expose-event', self.expose_event)
- self.pixmap = None
-
- def expose_event(self, widget, event):
- if not self.pixmap:
- self.build_pixmap()
- x, y, width, height = event.area
- widget.window.draw_drawable(widget.get_style().fg_gc[gtk.STATE_NORMAL],
- self.pixmap, x, y, x, y, width, height)
- return False
-
- def build_pixmap(self):
- #self.pixmap = gtk.gdk.Pixmap(self.window, self.width, self.height)
- self.pixmap = gtk.gdk.Pixmap(None, 250, 200, 8) ###
- cm = self.pixmap.get_colormap()
- self.color = {}
- self.color['black'] = cm.alloc_color('black')
- self.color['white'] = cm.alloc_color('white')
- self.gc = self.pixmap.new_gc()
- self.gc.set_foreground(self.color['white'])
- self.pixmap.draw_rectangle(self.gc, True, 0, 0, self.width, self.height)
-
- def draw_diag(self):
- start_angle = 0
- for path, size, bsize in self.filelist:
- end_angle = (bsize*360*64)/self.fullsize
- print start_angle, end_angle
- gc = self.pixmap.new_gc()
- cm = self.pixmap.get_colormap()
- col1 = cm.alloc_color(self.rand_color())
- gc.set_foreground(col1)
- gc.set_line_attributes(1,gtk.gdk.LINE_SOLID,gtk.gdk.CAP_NOT_LAST,gtk.gdk.JOIN_MITER)
- self.pixmap.draw_arc(gc, True, 0, 0, self.width, self.height, start_angle, end_angle)
- start_angle = start_angle + end_angle
- self.area.queue_draw()
+ drawing = gtk.DrawingArea()
- def rand_color(self):
- r = randint(0, 65535)
- g = randint(0, 65535)
- b = randint(0, 65535)
- return gtk.gdk.Color(r, g, b, 0)
+ # `maxdata` biggest files from list
+ filelist.sort(reverse=True)
+ del filelist[maxdata:]
+ self.filelist = filelist
- def run(self):
- self.show_all()
- gobject.timeout_add(1000, self.draw_diag)
- gtk.main()
+ # sum of sizes
+ fullsize = sum((f[0] for f in filelist))
- def get_data(self, filelist, fullsize):
- self.filelist = filelist
- self.fullsize = fullsize
+ # sectors list
+ sectors = []
+ start_angle = 0
+ for bsize, name, size in filelist:
+ color = self.rand_color()
+ delta_angle = (float(bsize)/fullsize)*2*pi
+ end_angle = start_angle + delta_angle
+ color = self.rand_color()
+ sectors.append((start_angle, end_angle, color))
+ start_angle += delta_angle
+
+ drawing.connect('expose-event', self.expose_event, sectors)
+
+ self.toplevel = drawing
+
+ def expose_event(self, widget, event, sectors):
+ x, y, w, h, _ = widget.window.get_geometry()
+ R = min(w-w/3, h)/2 - 20
+
+ cr = widget.window.cairo_create() # cairo context
+ cr.translate(w/2-w/6, h/2) # moving coordinates
+
+ # drawing pie chart
+ for i, (start_angle, end_angle, color) in enumerate(sectors):
+ # drawing sector
+ cr.move_to(0, 0)
+ cr.set_source_rgb(*color)
+ cr.arc(0, 0, R, start_angle, end_angle)
+ cr.fill()
+
+ # to cartesian coordinates
+ delta_angle = end_angle - start_angle
+ x = R/1.7 * cos(start_angle+delta_angle/2)
+ y = R/1.7 * sin(start_angle+delta_angle/2)
+ area = 0.5*(delta_angle*R**2) # sector area
+
+ # drawing text
+ cr.set_font_size(sqrt(area)/3) # text size
+ text = str(i+1) # text string
+ xbearing, ybearing, textw, texth = cr.text_extents(text)[:4]
+ cr.move_to(x-(xbearing+textw/2), y-(ybearing+texth/2)) # text center
+ cr.set_source_rgb(.3, .3, .3) # text color
+ cr.show_text(text)
+
+ cr.set_font_size(14)
+ cr.translate(w/2-w/6, -h/2+40) # moving coordinates
+ cr.move_to(0, 0)
+
+ # drawing files list
+ for i, (bsize, name, size) in enumerate(self.filelist):
+ color = sectors[i][2]
+ cr.set_source_rgb(*color)
+ cr.rectangle(-20, 20*i+3, 14, -14)
+ cr.fill()
+
+ text = str(i+1) + '. ' + os.path.basename(name) + ' (' + str(size) + ')'
+ cr.move_to(0, 20*i)
+ cr.set_source_rgb(0, 0, 0)
+ cr.show_text(text)
- #=== Toplevel widget for embedding to search area =========================
- def get_toplevel(self):
- return self.area
+ def rand_color(self):
+ return random(), random(), random()
projects / findit / blobdiff