15 class WifihoodConfig :
17 def __init__ ( self ) :
18 self.lat , self.lon = 40.40491 , -3.6774
20 self.mapsdir = "/home/user/MyDocs/.maps"
22 self.client = gconf.client_get_default()
24 def read ( self , parentdir="/apps/wifihood" ) :
25 lat = self.client.get_float( "%s/lattitude" % parentdir )
26 if lat : self.lat = lat
27 lon = self.client.get_float( "%s/longitude" % parentdir )
28 if lon : self.lon = lon
29 zoom = self.client.get_int( "%s/zoom" % parentdir )
30 if zoom : self.zoom = zoom
31 mapsdir = self.client.get_string( "%s/mapsdir" % parentdir )
32 if mapsdir : self.mapsdir = mapsdir
34 def save ( self , parentdir="/apps/wifihood" ) :
35 self.client.set_float( "%s/lattitude" % parentdir , self.lat )
36 self.client.set_float( "%s/longitude" % parentdir , self.lon )
37 self.client.set_int( "%s/zoom" % parentdir , self.zoom )
38 self.client.set_string( "%s/mapsdir" % parentdir , self.mapsdir )
40 class mapWidget ( gtk.Image , WifihoodConfig ) :
44 WifihoodConfig.__init__( self )
45 gtk.Image.__init__(self)
47 # Maximum width should be 800, but actually gets reduced
48 self.win_x , self.win_y = 800 , 480
51 p = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, True, 8, self.win_x, self.win_y)
52 self.set_from_pixbuf(p)
55 self.reftile_x , self.refpix_x = self.lon2tilex( self.lon , self.zoom )
56 self.reftile_y , self.refpix_y = self.lat2tiley( self.lat , self.zoom )
60 def lon2tilex ( self , lon , zoom ) :
61 number = math.modf( ( lon + 180 ) / 360 * 2 ** zoom )
62 return int( number[1] ) , int( self.tile_size * number[0] )
64 def lat2tiley ( self , lat , zoom ) :
65 lat = lat * math.pi / 180
66 number = math.modf( ( 1 - math.log( math.tan( lat ) + 1 / math.cos( lat ) ) / math.pi ) / 2 * 2 ** zoom )
67 return int( number[1] ) , int( self.tile_size * number[0] )
69 def tilex2lon ( self , ( tilex , pixx ) , zoom ) :
72 return ( tilex + pixx/self.tile_size ) / 2.0 ** zoom * 360.0 - 180.0
74 def tiley2lat ( self , ( tiley , pixy ) , zoom ) :
77 tiley = math.pi * ( 1 - 2 * ( tiley + pixy/self.tile_size ) / 2.0 ** zoom )
78 return math.degrees( math.atan( math.sinh( tiley ) ) )
80 def composeMap( self ) :
81 center_x , center_y = self.win_x / 2 , self.win_y / 2
83 # To get the central pixel in the window center, we must shift to the tile origin
84 center_x -= self.refpix_x
85 center_y -= self.refpix_y
87 # Ranges should be long enough as to fill the screen
88 # Maybe they should be decided based on self.win_x, self.win_y
89 for i in range(-3,4) :
90 for j in range(-3,4) :
91 file = self.tilename( i , j , self.zoom )
93 pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, self.tile_size, self.tile_size )
94 pixbuf.fill( 0x00000000 )
97 pixbuf = gtk.gdk.pixbuf_new_from_file( file )
98 except gobject.GError , ex :
99 print "Corrupted file %s" % ( file )
101 #file = self.tilename( self.reftile_x + i , self.reftile_y + j , self.zoom )
102 file = self.tilename( i , j , self.zoom )
104 pixbuf = gtk.gdk.pixbuf_new_from_file( file )
106 print "Total failure for tile for %s,%s" % ( self.reftile_x + i , self.reftile_y + j )
107 pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, self.tile_size, self.tile_size )
109 dest_x = self.tile_size * i + center_x
110 dest_y = self.tile_size * j + center_y
113 size_x = self.tile_size
116 size_x = self.tile_size + dest_x
118 if dest_x + self.tile_size > self.win_x :
119 size_x = self.win_x - dest_x
122 size_y = self.tile_size
125 size_y = self.tile_size + dest_y
127 if dest_y + self.tile_size > self.win_y :
128 size_y = self.win_y - dest_y
130 if ( size_x > 0 and size_y > 0 ) and ( init_x < self.tile_size and init_y < self.tile_size ) :
131 pixbuf.copy_area( init_x, init_y, size_x, size_y, self.get_pixbuf(), dest_x , dest_y )
134 def tilename ( self , x , y , zoom ) :
135 file = self.tile2file( self.reftile_x + x , self.reftile_y + y , zoom )
142 # useful members : response.code, response.headers
143 response = urllib2.urlopen( "http://tile.openstreetmap.org/%s/%s/%s.png" % ( zoom , x , y ) )
144 if response.geturl() == "http://tile.openstreetmap.org/11/0/0.png" :
146 fd = open( file , 'w' )
147 fd.write( response.read() )
155 def tile2file( self , tilex , tiley , zoom ) :
156 rootdir = "%s/OpenStreetMap I/%s" % ( self.mapsdir , zoom )
157 if not os.path.isdir( rootdir ) :
159 rootsubdir = "%s/%s" % ( rootdir , tilex )
160 if not os.path.isdir( rootsubdir ) :
162 return "%s/%s.png" % ( rootsubdir , tiley )
164 def Shift( self , dx , dy ) :
167 tile_x , tile_y = ( self.refpix_x - dx ) / self.tile_size , ( self.refpix_y - dy ) / self.tile_size
168 self.reftile_x += tile_x
169 self.reftile_y += tile_y
171 self.refpix_x -= dx + self.tile_size * tile_x
172 self.refpix_y -= dy + self.tile_size * tile_y
177 def ZoomChange ( self , selector ) :
178 model = selector.get_model(0)
179 active = selector.get_active(0)
180 value = model.get( model.get_iter(active) , 0 )
181 self.SetZoom( value[0] )
183 def SetZoom( self , zoom ) :
185 lat = self.tiley2lat( ( self.reftile_y , self.refpix_y ) , self.zoom )
186 lon = self.tilex2lon( ( self.reftile_x , self.refpix_x ) , self.zoom )
187 self.reftile_x , self.refpix_x = self.lon2tilex( lon , zoom )
188 self.reftile_y , self.refpix_y = self.lat2tiley( lat , zoom )
219 class ZoomDialog ( hildon.TouchSelector ) :
221 def __init__ ( self , widget ) :
222 hildon.TouchSelector.__init__( self ) # , text=True )
224 zooms = gtk.ListStore(int,str)
227 for zoom in range(8,19) :
228 iter = zooms.append()
229 zooms.set( iter , 0 , zoom , 1 , "Level %2d" % zoom )
230 if zoom == widget.zoom :
234 renderer = gtk.CellRendererText()
235 column = self.append_column( zooms , renderer )
236 column.set_property('text-column', 1)
238 # NOTE : with text=True, we must use 1 instead of 0
239 self.set_active( 0 , active )
243 class ZoomDialog ( gtk.Dialog ) :
245 def __init__ ( self , widget ) :
246 gtk.Dialog.__init__( self , "Select zoom level",
249 ( gtk.STOCK_OK, gtk.RESPONSE_ACCEPT,
250 gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT
254 zooms = gtk.ListStore(int)
255 combo = gtk.ComboBox( zooms )
257 for zoom in range(8,19) :
258 iter = zooms.append()
259 zooms.set( iter , 0 , zoom )
260 if zoom == widget.zoom :
261 combo.set_active_iter( iter )
263 cell = gtk.CellRendererText()
264 combo.pack_start(cell, True)
265 combo.add_attribute(cell, 'text', 0)
267 self.vbox.pack_start(combo , True, True, 0)
269 self.connect_object( "response", self.response , combo , widget )
271 def response ( self , combo , response , widget ) :
272 if response == gtk.RESPONSE_ACCEPT :
273 item = combo.get_active_iter()
274 model = combo.get_model()
275 widget.SetZoom( model.get(item,0)[0] )
281 def destroy(self, widget, data=None):
284 def press_event ( self, widget, event, *args ) :
285 # FIXME : Set only if far enough from borders
288 print "press ",event.get_coords(),event.get_root_coords()
289 if event.x > border_x and event.y > border_y and event.x < ( self.size_x - border_x ) and event.y < ( self.size_y - border_y ) :
290 self.click_x = event.x
291 self.click_y = event.y
293 def release_event ( self, widget, event, *args ) :
295 print "unpress",event.get_coords(),event.get_root_coords()
296 if self.click_x is not None and self.click_y is not None :
297 delta_x = int( event.x - self.click_x )
298 delta_y = int( event.y - self.click_y )
299 shift = math.sqrt( delta_x * delta_x + delta_y * delta_y )
300 if shift > min_shift :
301 self.map.Shift(delta_x, delta_y)
304 # elif delta_x < -100 :
306 # elif delta_y > 100 :
308 # elif delta_y < -100 :
310 self.click_x , self.click_y = None , None
312 def screen_event ( self, widget, event, *args ) :
318 def on_button_press ( self, widget, event, *args ) :
321 def on_key_press ( self, widget, event, *args ) :
322 if event.keyval == gtk.keysyms.Up :
324 elif event.keyval == gtk.keysyms.Down :
326 elif event.keyval == gtk.keysyms.Right :
328 elif event.keyval == gtk.keysyms.Left :
331 print "UNKNOWN",event.keyval
336 self.window = hildon.Window()
337 program = hildon.Program.get_instance()
338 program.add_window(self.window)
339 gtk.set_application_name( "Wifi View" )
341 self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
343 self.window.connect("destroy", self.destroy)
345 self.window.set_border_width(10)
347 self.window.connect("key-press-event", self.on_key_press)
349 vbox = gtk.VBox(False, 0)
350 self.window.add( vbox )
352 # To get explicit GDK_BUTTON_PRESS instead of paired GDK_LEAVE_NOTIFY & GDK_ENTER_NOTIFY
353 # self.window.add_events(gtk.gdk.BUTTON_MOTION_MASK | gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK | gtk.gdk.POINTER_MOTION_MASK)
354 self.window.set_events( gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK )
356 # self.window.connect('motion_notify_event', self.screen_event)
357 self.window.connect('button_press_event', self.press_event)
358 self.window.connect('button_release_event', self.release_event)
360 self.map = mapWidget()
361 vbox.pack_end( self.map , True , True , 5)
363 self.create_menu( vbox )
366 self.window.show_all()
368 self.size_x , self.size_y = 800 , 480
369 self.click_x , self.click_y = None , None
371 def zoomdialog ( self , widget ) :
372 dialog = ZoomDialog( widget )
375 def create_menu ( self , vbox ) :
378 self.menubar = menubar = hildon.AppMenu()
380 #zoomlevel = hildon.Button(gtk.HILDON_SIZE_AUTO,
381 # hildon.BUTTON_ARRANGEMENT_VERTICAL,
382 # "Zoom level", None)
383 #zoomlevel.connect_object( "clicked", self.zoomstack, self.map )
384 selector = ZoomDialog( self.map )
385 zoomlevel = hildon.PickerButton(gtk.HILDON_SIZE_AUTO,
386 hildon.BUTTON_ARRANGEMENT_VERTICAL)
387 zoomlevel.set_title( "Zoom" )
388 zoomlevel.set_selector( selector )
389 zoomlevel.connect_object( "value-changed", self.map.ZoomChange , selector )
390 menubar.append( zoomlevel )
393 self.window.set_app_menu( menubar )
397 menubar = gtk.MenuBar()
399 zoomlevel = gtk.MenuItem( label="Zoom level" )
400 zoomlevel.connect_object( "activate", self.zoomdialog, self.map )
401 menubar.append( zoomlevel )
403 vbox.pack_start(menubar,True,True,5)
408 if __name__ == "__main__":