17 class mapWidget ( gtk.Image ) :
19 def __init__ ( self , config ) :
22 gtk.Image.__init__(self)
24 # Maximum width should be 800, but actually gets reduced
25 self.win_x , self.win_y = 800 , 480
28 p = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, True, 8, self.win_x, self.win_y)
29 self.set_from_pixbuf(p)
31 self.reftile_x , self.refpix_x = self.lon2tilex( self.conf.lon , self.conf.zoom )
32 self.reftile_y , self.refpix_y = self.lat2tiley( self.conf.lat , self.conf.zoom )
36 def lon2tilex ( self , lon , zoom ) :
37 number = math.modf( ( lon + 180 ) / 360 * 2 ** zoom )
38 return int( number[1] ) , int( self.tile_size * number[0] )
40 def lat2tiley ( self , lat , zoom ) :
41 lat = lat * math.pi / 180
42 number = math.modf( ( 1 - math.log( math.tan( lat ) + 1 / math.cos( lat ) ) / math.pi ) / 2 * 2 ** zoom )
43 return int( number[1] ) , int( self.tile_size * number[0] )
45 def tilex2lon ( self , ( tilex , pixx ) , zoom ) :
48 return ( tilex + pixx/self.tile_size ) / 2.0 ** zoom * 360.0 - 180.0
50 def tiley2lat ( self , ( tiley , pixy ) , zoom ) :
53 tiley = math.pi * ( 1 - 2 * ( tiley + pixy/self.tile_size ) / 2.0 ** zoom )
54 return math.degrees( math.atan( math.sinh( tiley ) ) )
56 def composeMap( self ) :
57 center_x , center_y = self.win_x / 2 , self.win_y / 2
59 # To get the central pixel in the window center, we must shift to the tile origin
60 center_x -= self.refpix_x
61 center_y -= self.refpix_y
63 # Ranges should be long enough as to fill the screen
64 # Maybe they should be decided based on self.win_x, self.win_y
65 for i in range(-3,4) :
66 for j in range(-3,4) :
67 file = self.tilename( i , j , self.conf.zoom )
69 pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, self.tile_size, self.tile_size )
70 pixbuf.fill( 0x00000000 )
73 pixbuf = gtk.gdk.pixbuf_new_from_file( file )
74 except gobject.GError , ex :
75 print "Corrupted file %s" % ( file )
77 #file = self.tilename( self.reftile_x + i , self.reftile_y + j , self.conf.zoom )
78 file = self.tilename( i , j , self.conf.zoom )
80 pixbuf = gtk.gdk.pixbuf_new_from_file( file )
82 print "Total failure for tile for %s,%s" % ( self.reftile_x + i , self.reftile_y + j )
83 pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, self.tile_size, self.tile_size )
85 dest_x = self.tile_size * i + center_x
86 dest_y = self.tile_size * j + center_y
89 size_x = self.tile_size
92 size_x = self.tile_size + dest_x
94 if dest_x + self.tile_size > self.win_x :
95 size_x = self.win_x - dest_x
98 size_y = self.tile_size
101 size_y = self.tile_size + dest_y
103 if dest_y + self.tile_size > self.win_y :
104 size_y = self.win_y - dest_y
106 if ( size_x > 0 and size_y > 0 ) and ( init_x < self.tile_size and init_y < self.tile_size ) :
107 pixbuf.copy_area( init_x, init_y, size_x, size_y, self.get_pixbuf(), dest_x , dest_y )
110 def tilename ( self , x , y , zoom ) :
111 file = self.tile2file( self.reftile_x + x , self.reftile_y + y , zoom )
118 # useful members : response.code, response.headers
119 response = urllib2.urlopen( "http://tile.openstreetmap.org/%s/%s/%s.png" % ( zoom , x , y ) )
120 if response.geturl() == "http://tile.openstreetmap.org/11/0/0.png" :
122 fd = open( file , 'w' )
123 fd.write( response.read() )
131 def tile2file( self , tilex , tiley , zoom ) :
132 rootdir = "%s/%s/%s" % ( self.conf.mapsdir , self.conf.mapclass , zoom )
133 if not os.path.isdir( rootdir ) :
135 rootsubdir = "%s/%s" % ( rootdir , tilex )
136 if not os.path.isdir( rootsubdir ) :
138 return "%s/%s.png" % ( rootsubdir , tiley )
140 def Shift( self , dx , dy ) :
143 tile_x , tile_y = ( self.refpix_x - dx ) / self.tile_size , ( self.refpix_y - dy ) / self.tile_size
144 self.reftile_x += tile_x
145 self.reftile_y += tile_y
147 self.refpix_x -= dx + self.tile_size * tile_x
148 self.refpix_y -= dy + self.tile_size * tile_y
153 def ZoomChange ( self , selector ) :
154 model = selector.get_model(0)
155 active = selector.get_active(0)
156 value = model.get( model.get_iter(active) , 0 )
157 self.SetZoom( int(value[0]) )
159 def SetZoom( self , zoom ) :
161 lat = self.tiley2lat( ( self.reftile_y , self.refpix_y ) , self.conf.zoom )
162 lon = self.tilex2lon( ( self.reftile_x , self.refpix_x ) , self.conf.zoom )
163 self.reftile_x , self.refpix_x = self.lon2tilex( lon , zoom )
164 self.reftile_y , self.refpix_y = self.lat2tiley( lat , zoom )
165 self.conf.zoom = zoom
195 class ZoomDialog ( hildon.TouchSelector ) :
197 def __init__ ( self , widget ) :
198 hildon.TouchSelector.__init__( self )
200 zooms = gtk.ListStore(str)
203 for zoom in range(8,19) :
204 iter = zooms.append()
205 zooms.set( iter , 0 , "%2d" % zoom )
206 if zoom == widget.conf.zoom :
210 column = self.append_text_column( zooms , True )
211 #renderer = gtk.CellRendererText()
212 #column = self.append_column( zooms , renderer )
213 #column.set_property('text-column', 0)
215 # NOTE : with text=True, we must use 1 instead of 0
216 self.set_active( 0 , active )
220 class ZoomDialog ( gtk.Dialog ) :
222 def __init__ ( self , widget ) :
223 gtk.Dialog.__init__( self , "Select zoom level",
226 ( gtk.STOCK_OK, gtk.RESPONSE_ACCEPT,
227 gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT
231 zooms = gtk.ListStore(int)
232 combo = gtk.ComboBox( zooms )
234 for zoom in range(8,19) :
235 iter = zooms.append()
236 zooms.set( iter , 0 , zoom )
237 if zoom == widget.conf.zoom :
238 combo.set_active_iter( iter )
240 cell = gtk.CellRendererText()
241 combo.pack_start(cell, True)
242 combo.add_attribute(cell, 'text', 0)
244 self.vbox.pack_start(combo , True, True, 0)
246 self.connect_object( "response", self.response , combo , widget )
248 def response ( self , combo , response , widget ) :
249 if response == gtk.RESPONSE_ACCEPT :
250 item = combo.get_active_iter()
251 model = combo.get_model()
252 widget.SetZoom( model.get(item,0)[0] )
258 def destroy(self, widget, data=None):
261 def press_event ( self, widget, event, *args ) :
262 # FIXME : Set only if far enough from borders
265 print "press ",event.get_coords(),event.get_root_coords()
266 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 ) :
267 self.click_x = event.x
268 self.click_y = event.y
270 def release_event ( self, widget, event, *args ) :
272 print "unpress",event.get_coords(),event.get_root_coords()
273 if self.click_x is not None and self.click_y is not None :
274 delta_x = int( event.x - self.click_x )
275 delta_y = int( event.y - self.click_y )
276 shift = math.sqrt( delta_x * delta_x + delta_y * delta_y )
277 if shift > min_shift :
278 self.map.Shift(delta_x, delta_y)
281 # elif delta_x < -100 :
283 # elif delta_y > 100 :
285 # elif delta_y < -100 :
287 self.click_x , self.click_y = None , None
289 def screen_event ( self, widget, event, *args ) :
295 def on_button_press ( self, widget, event, *args ) :
298 def on_key_press ( self, widget, event, *args ) :
299 if event.keyval == gtk.keysyms.Up :
301 elif event.keyval == gtk.keysyms.Down :
303 elif event.keyval == gtk.keysyms.Right :
305 elif event.keyval == gtk.keysyms.Left :
308 print "UNKNOWN",event.keyval
313 self.window = hildon.Window()
314 program = hildon.Program.get_instance()
315 program.add_window(self.window)
316 gtk.set_application_name( "Wifi View" )
318 self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
320 self.window.connect("destroy", self.destroy)
322 self.window.set_border_width(10)
324 self.window.connect("key-press-event", self.on_key_press)
326 vbox = gtk.VBox(False, 0)
327 self.window.add( vbox )
329 # To get explicit GDK_BUTTON_PRESS instead of paired GDK_LEAVE_NOTIFY & GDK_ENTER_NOTIFY
330 # self.window.add_events(gtk.gdk.BUTTON_MOTION_MASK | gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK | gtk.gdk.POINTER_MOTION_MASK)
331 self.window.set_events( gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK )
333 # self.window.connect('motion_notify_event', self.screen_event)
334 self.window.connect('button_press_event', self.press_event)
335 self.window.connect('button_release_event', self.release_event)
337 self.config = wifimap.config.Configuration()
338 self.map = mapWidget( self.config )
339 vbox.pack_end( self.map , True , True , 5)
341 self.create_menu( vbox )
344 self.window.show_all()
346 self.size_x , self.size_y = 800 , 480
347 self.click_x , self.click_y = None , None
349 def zoomdialog ( self , widget ) :
350 dialog = ZoomDialog( widget )
353 def create_menu ( self , vbox ) :
356 self.menubar = menubar = hildon.AppMenu()
358 #zoomlevel = hildon.Button(gtk.HILDON_SIZE_AUTO,
359 # hildon.BUTTON_ARRANGEMENT_VERTICAL,
360 # "Zoom level", None)
361 #zoomlevel.connect_object( "clicked", self.zoomstack, self.map )
362 selector = ZoomDialog( self.map )
363 zoomlevel = hildon.PickerButton(gtk.HILDON_SIZE_AUTO,
364 hildon.BUTTON_ARRANGEMENT_VERTICAL)
365 zoomlevel.set_title( "Zoom" )
366 zoomlevel.set_selector( selector )
367 zoomlevel.connect_object( "value-changed", self.map.ZoomChange , selector )
368 menubar.append( zoomlevel )
371 self.window.set_app_menu( menubar )
375 menubar = gtk.MenuBar()
377 zoomlevel = gtk.MenuItem( label="Zoom level" )
378 zoomlevel.connect_object( "activate", self.zoomdialog, self.map )
379 menubar.append( zoomlevel )
381 vbox.pack_start(menubar,True,True,5)
386 if __name__ == "__main__":