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#!/usr/bin/python
# workspace switcher status
#
# display the workspaces of e.g. an xfce desktop during workspaces switches,
# including a sketch of all windows
# Copyright (c) 2012 Peter Palfrader
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
import pygtk, gtk, glib
import wnck
SCALE=50
BORDER=3
DELAY=500
class WSS:
def cb_hide(self, data=None):
self.window.hide()
return False
def cb_update(self, widget, data=None):
workspace = self.screen.get_active_workspace()
if self.previous is not None:
self.label.set_markup("<span size='xx-large'>%s</span>"%(workspace.get_name()))
if not self.timerid is None:
glib.source_remove(self.timerid)
self.timerid = glib.timeout_add(DELAY, self.cb_hide)
self.paint()
self.window.queue_draw()
self.window.show()
self.previous = workspace
def get_layout(self):
wsposmap = {}
if self.layout is None:
wss = self.screen.get_workspaces()
maxrow = 0
maxcol = 0
for ws in wss:
r = ws.get_layout_row()
c = ws.get_layout_column()
if r > maxrow: maxrow = r
if c > maxcol: maxcol = c
wsposmap[ws.get_number()] = (r,c)
w = self.screen.get_width()
h = self.screen.get_height()
self.layout = (w, h, maxrow+1, maxcol+1)
self.wsposmap = wsposmap
return self.layout
def setup_table(self):
if self.table is not None: return
width, height, rows, cols = self.get_layout()
table = gtk.Table(rows, cols, True)
table.set_col_spacings(BORDER)
table.set_row_spacings(BORDER)
cells = []
areainfo = {}
for r in xrange(0,rows):
cells.append([])
for c in xrange(0,cols):
area = gtk.DrawingArea()
area.set_size_request(width/SCALE+2, height/SCALE+2)
area.connect("expose-event", self.area_expose_cb)
table.attach(area, c, c+1, r, r+1, xpadding=0, ypadding=0)
i = {}
i['w'] = []
cells[r].append(i)
areainfo[area] = i
table.show_all()
self.box.add(table)
self.table = table
self.cells = cells
self.areainfo = areainfo
def area_expose_cb(self, area, event):
width, height, rows, cols = self.get_layout()
style = area.get_style()
defgc = style.fg_gc[gtk.STATE_NORMAL]
active_window = self.screen.get_active_window()
i = self.areainfo[area]
if 'gc' not in i:
c = area.window.get_colormap().alloc_color(gtk.gdk.Color('#666666'), writeable=False, best_match=True)
i['gc'] = area.window.new_gc(foreground=c)
c = area.window.get_colormap().alloc_color(gtk.gdk.Color('#bbbbff'), writeable=False, best_match=True)
i['gc-focus'] = area.window.new_gc(foreground=c)
c = area.window.get_colormap().alloc_color(gtk.gdk.Color('#0000FF'), writeable=False, best_match=True)
i['gc-border'] = area.window.new_gc(foreground=c, line_width=3)
for w in i['w']:
geom = w.get_geometry()
if w == active_window:
area.window.draw_rectangle(i['gc-focus'], True, geom[0]/SCALE+1, geom[1]/SCALE+1, geom[2]/SCALE, geom[3]/SCALE)
area.window.draw_rectangle(defgc, False, geom[0]/SCALE+1, geom[1]/SCALE+1, geom[2]/SCALE, geom[3]/SCALE)
else:
area.window.draw_rectangle(i['gc'], True, geom[0]/SCALE+1, geom[1]/SCALE+1, geom[2]/SCALE, geom[3]/SCALE)
area.window.draw_rectangle(defgc, False, geom[0]/SCALE+1, geom[1]/SCALE+1, geom[2]/SCALE, geom[3]/SCALE)
if i['active']:
area.window.draw_rectangle(i['gc-border'], False, 0, 0, width/SCALE+1, height/SCALE+1)
else:
area.window.draw_rectangle(defgc, False, 0, 0, width/SCALE+1, height/SCALE+1)
return True
def cell_info_from_workspace(self, ws):
wsn = ws.get_number()
wspos = self.wsposmap[wsn]
row, col = wspos
cell = self.cells[row][col]
return cell
def paint(self):
width, height, mr, mc = self.get_layout()
self.setup_table()
window_list = self.screen.get_windows()
for a in self.areainfo:
del self.areainfo[a]['w'][:]
self.areainfo[a]['active'] = False
for w in window_list:
ws = w.get_workspace()
if ws is not None:
cell = self.cell_info_from_workspace(ws)
cell['w'].append(w)
active = self.screen.get_active_workspace()
cell = self.cell_info_from_workspace(active)
cell['active'] = True
def __init__(self):
window = gtk.Window(gtk.WINDOW_POPUP)
label = gtk.Label()
box = gtk.VBox()
box.set_border_width(20)
box.add(label)
window.add(box)
window.set_position(gtk.WIN_POS_CENTER)
box.show_all()
screen = wnck.screen_get_default()
screen.connect('active-workspace-changed', self.cb_update)
self.window = window
self.label = label
self.box = box
self.screen = screen
self.previous = None
self.table = None
self.cells = None
self.layout = None
self.areainfo = None
self.timerid = None
def main(self):
# All PyGTK applications must have a gtk.main(). Control ends here
# and waits for an event to occur (like a key press or mouse event).
gtk.main()
if __name__ == "__main__":
wss = WSS()
wss.main()
# vim:set et:
# vim:set ts=4:
# vim:set shiftwidth=4:
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