sm.py

   1 #!/usr/bin/python
   2 # encoding:utf8
   3
   4 #     vlshow.py
   5 #     Copyright (C) 2006 Joachim Breitner
   6 #
   7 #     This program is free software; you can redistribute it and/or modify
   8 #     it under the terms of the GNU General Public License as published by
   9 #     the Free Software Foundation; either version 2 of the License, or
  10 #     (at your option) any later version.
  11 #
  12 #     This program is distributed in the hope that it will be useful,
  13 #     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #     GNU General Public License for more details.
  16 #
  17 #     You should have received a copy of the GNU General Public License
  18 #     along with this program; if not, write to the Free Software
  19 #     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  20
  21
  22 import pygtk
  23 pygtk.require('2.0')
  24 import gtk
  25 import pango
  26 import sys
  27 import gobject
  28
  29 window = gtk.Window(gtk.WINDOW_TOPLEVEL)
  30 window.set_decorated(False)
  31 window.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse("white"))
  32 window.fullscreen()
  33
  34 settings = gtk.settings_get_default()
  35
  36 draw = gtk.DrawingArea()
  37 draw.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse("white"))
  38 draw.set_size_request(400,300)
  39
  40 pixmap = gtk.gdk.Pixmap(None, 1, 1, 1)
  41 color = gtk.gdk.Color()
  42 cursor = gtk.gdk.Cursor(pixmap, pixmap, color, color, 0, 0)
  43
  44
  45 tv = gtk.TextView()
  46 tb = tv.get_buffer()
  47
  48 def get_text():
  49         return tb.get_text(tb.get_start_iter(), tb.get_end_iter())
  50
  51 if len(sys.argv) > 1:
  52         tb.set_text(" ".join(sys.argv[1:]))
  53 else:
  54         tb.set_text(";-)")
  55
  56 quit = gtk.Button(stock=gtk.STOCK_QUIT)
  57 quit.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse("white"))
  58 quit.connect("clicked",gtk.main_quit)
  59
  60 hbox = gtk.HBox()
  61 hbox.pack_start(tv, expand=True, fill=True)
  62 hbox.pack_start(quit,  expand=False,fill=False)
  63
  64 vbox = gtk.VBox()
  65 vbox.pack_start(draw, expand=True, fill=True)
  66 vbox.pack_start(hbox, expand=False, fill=False)
  67 window.add(vbox)
  68
  69 font = pango.FontDescription()
  70 font.set_family("sans-serif")
  71 font.set_size(60*pango.SCALE)
  72 layout = draw.create_pango_layout(get_text())
  73 layout.set_font_description(font)
  74 layout.set_alignment(pango.ALIGN_CENTER)
  75
  76
  77 accel = gtk.AccelGroup()
  78 key, mod = gtk.accelerator_parse("<Ctrl>Q")
  79 accel.connect_group(key, mod, 0, gtk.main_quit)
  80 key, mod = gtk.accelerator_parse("Escape")
  81 #accel.connect_group(key, mod, 0, gtk.main_quit)
  82 #key, mod = gtk.accelerator_parse("<Ctrl>C")
  83 accel.connect_group(key, mod, 0, (lambda x,y,z,v: tb.set_text("")))
  84 window.add_accel_group(accel)
  85
  86 window.show_all()
  87
  88 need_resize=True
  89 need_quick=True
  90
  91 def resize(w=None,rect=None):
  92         global need_resize
  93         draw.window.set_cursor(cursor)
  94         (w1,h1) = layout.get_pixel_size()
  95         if h1>0 and w1>0:
  96                 (x,y,w2,h2) = draw.get_allocation()
  97                 s = font.get_size()
  98                 s = min ( int (s*w2/w1), int (s*h2/h1) )
  99                 font.set_size(s)
 100                 layout.set_font_description(font)
 101                 need_resize=False
 102         else:
 103                 need_resize=True
 104
 105 def redraw(w=None,e=None):
 106         global need_resize, need_quick
 107         if layout.get_text(): # Fails for empty lines :-(
 108                 gc = draw.get_style().fg_gc[gtk.STATE_NORMAL]
 109                 (w1,h1) = layout.get_pixel_size()
 110                 if h1>0 and w1>0:
 111                         (x,y,w2,h2) = draw.get_allocation()
 112                         draw.window.draw_layout(gc,(w2-w1)/2,(h2-h1)/2,layout)
 113                         hq(True)
 114
 115 quality = False
 116 def hq(q,force=False):
 117         global quality
 118         if q != quality:
 119                 if q:
 120                         settings.set_long_property("gtk-xft-antialias",1,"Hier halt")
 121                 else:
 122                         settings.set_long_property("gtk-xft-antialias",0,"Hier halt")
 123         else:
 124                 if force:
 125                         draw.queue_draw()
 126
 127         quality = q
 128         return False
 129
 130 def newtext(w):
 131         global timeout_id
 132         layout.set_text(get_text())
 133         resize()
 134         hq(False, True)
 135
 136 draw.connect("configure-event", resize)
 137 draw.connect("expose-event", redraw)
 138 tb.connect("changed", newtext)
 139
 140 gtk.main()