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* src/MapView.py: Corrected coordinate handling; Show all location in map; fetch locations from xearth config file

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svn: r5059
This commit is contained in:
Martin Hawlisch 2005-08-12 11:29:06 +00:00
parent dca96503ea
commit f69e15f35f
2 changed files with 80 additions and 36 deletions
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6
ChangeLog
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@ -1,4 +1,8 @@
2005-05-27 Richard Taylor <rjt-gramps@thegrindstone.me.uk>
2005-08-12 Martin Hawlisch <Martin.Hawlisch@gmx.de>
* src/MapView.py: Corrected coordinate handling; Show all location in map;
fetch locations from xearth config file
2005-08-12 Richard Taylor <rjt-gramps@thegrindstone.me.uk>
* src/EditRepository.py: changes to work with ViewManager changes
2005-08-11 Don Allingham <don@gramps-project.org>

110
src/MapView.py
View File

@ -27,6 +27,7 @@
#-------------------------------------------------------------------------
from gettext import gettext as _
import gc
import re
#-------------------------------------------------------------------------
#
@ -77,15 +78,11 @@ class GuideMap(gtk.DrawingArea):
# Set hightlight region
def hightlight_area( self, area):
print "GuideMap.hightlight_area"
print area
self.current_area = area
self.queue_draw()
# Redraw the image
def expose_cb(self,widget,event):
a = widget.get_allocation()
print "GuideMap.expose_cb (%dx%d)" % (a.width,a.height)
if not self.gc:
self.gc = self.window.new_gc()
self.gc.set_foreground( self.get_colormap().alloc_color("red"))
@ -102,8 +99,6 @@ class GuideMap(gtk.DrawingArea):
# Scale backbuffer
def size_allocate_cb(self,widget,allocation):
a = allocation
print "GuideMap.size_allocate_cb (%dx%d)" % (a.width,a.height)
# Always request a height, that is half of the width
w = max( 128,allocation.width)
self.set_size_request(-1,w/2)
@ -142,15 +137,20 @@ class ZoomMap( gtk.DrawingArea):
self.current_area = (0,0,0,0)
self.magnifer = 0.5
self.guide = None
self.textlayout = self.create_pango_layout("")
# Set the guide map that should follow the zoom area
def set_guide( self, guide):
self.guide = guide
def set_location_model( self, model, idx_name, idx_long, idx_lat):
self.location_model = model
self.idx_name = idx_name
self.idx_long = idx_long
self.idx_lat = idx_lat
# Redraw the image
def expose_cb(self,widget,event):
a = widget.get_allocation()
print "GuideMap.expose_cb (%dx%d)" % (a.width,a.height)
if not self.gc:
self.gc = self.window.new_gc()
self.gc.set_foreground( self.get_colormap().alloc_color("red"))
@ -159,10 +159,29 @@ class ZoomMap( gtk.DrawingArea):
self.size_allocate_cb( self,self.get_allocation())
if self.backbuf and self.gc:
self.window.draw_pixbuf( self.gc, self.backbuf, 0,0, 0,0, -1,-1)
px = int((float(self.zoom_pos[1]) + 180.0) / 360.0
* self.backbuf.get_width())
py = int((90-float(self.zoom_pos[0])) / 180.0
* self.backbuf.get_height())
# draw all available locations
if self.location_model:
iter = self.location_model.get_iter_first()
while iter:
(n,x,y) = self.location_model.get( iter, self.idx_name, self.idx_long, self.idx_lat)
(px,py) = self.map_to_screen( x, y)
self.window.draw_pixbuf(
self.gc,
self.place_marker_pixbuf,
0,0,
px-self.place_marker_pixbuf.get_width()/2,
py-self.place_marker_pixbuf.get_height()/2,
-1,-1)
self.textlayout.set_text(n)
self.window.draw_layout(
self.gc,
px,py,
self.textlayout)
iter = self.location_model.iter_next( iter)
# hightlight current location
(px,py) = self.map_to_screen( self.zoom_pos[0], self.zoom_pos[1])
self.window.draw_pixbuf(
self.gc,
self.hightlight_marker_pixbuf,
@ -170,13 +189,17 @@ class ZoomMap( gtk.DrawingArea):
px-self.hightlight_marker_pixbuf.get_width()/2,
py-self.hightlight_marker_pixbuf.get_height()/2,
-1,-1)
self.window.draw_rectangle( self.gc, False, px-3,py-3, 6,6)
#self.window.draw_rectangle( self.gc, False, px-3,py-3, 6,6)
def map_to_screen( self, long, lat):
px = int(self.backbuf.get_width() / self.current_map_area[2] *
(float(long) - self.current_map_area[0]))
py = int(self.backbuf.get_height() / self.current_map_area[3] *
(-float(lat) + self.current_map_area[1]))
return( px, py)
# Scale backbuffer
def size_allocate_cb(self,widget,allocation):
a = allocation
print "GuideMap.size_allocate_cb (%dx%d)" % (a.width,a.height)
# only create new backbuffer if size is different
new_size = (allocation.width,allocation.height)
if new_size is not self.old_size or not self.backbuf:
@ -186,36 +209,35 @@ class ZoomMap( gtk.DrawingArea):
pw = int(self.old_size[0]*self.magnifer)
ph = int(self.old_size[1]*self.magnifer)
px = int((float(self.zoom_pos[1]) + 180.0) / 360.0
px = int((float(self.zoom_pos[0]) + 180.0) / 360.0
* self.map_pixbuf.get_width())
py = int((90-float(self.zoom_pos[0])) / 180.0
py = int((90-float(self.zoom_pos[1])) / 180.0
* self.map_pixbuf.get_height())
px = max( pw/2, px)
py = max( ph/2, py)
px = min( px, self.map_pixbuf.get_width()-pw/2)
py = min( py, self.map_pixbuf.get_height()-ph/2)
px = min( px, self.map_pixbuf.get_width()-1-pw/2)
py = min( py, self.map_pixbuf.get_height()-1-ph/2)
zoomebuf = self.map_pixbuf.subpixbuf( int(px-pw/2),
int(py-ph/2), pw,ph)
print ( px-pw/2, py-ph/2, pw,ph)
self.backbuf = zoomebuf.scale_simple(self.old_size[0],
self.old_size[1],
gtk.gdk.INTERP_BILINEAR)
gc.collect()
if self.guide:
mx = 360.0 / self.map_pixbuf.get_width() * (px-pw/2.0) - 180.0
my = 90.0 - 180.0 / self.map_pixbuf.get_height() * (py-ph/2.0)
mw = 360.0 / self.map_pixbuf.get_width() * pw
mh = 180.0 / self.map_pixbuf.get_height() * ph
self.guide.hightlight_area( (mx,my,mw,mh))
mx = 360.0 / self.map_pixbuf.get_width() * (px-pw/2.0) - 180.0
my = 90.0 - 180.0 / self.map_pixbuf.get_height() * (py-ph/2.0)
mw = 360.0 / self.map_pixbuf.get_width() * pw
mh = 180.0 / self.map_pixbuf.get_height() * ph
self.current_area = (px-pw/2, py-ph/2, pw,ph)
self.current_map_area = (mx, my, mw, mh)
if self.guide:
self.guide.hightlight_area( (mx,my,mw,mh))
# Scroll to requested position
def scroll_to( self, lat, lon):
self.zoom_pos = ( min(90,(max(-90,lon))), min(180,(max(-180,lat))))
def scroll_to( self, long, lat):
self.zoom_pos = ( min(180,(max(-180,long))), min(90,(max(-90,lat))))
self.backbuf = None
self.queue_draw()
@ -281,11 +303,9 @@ class MapView(PageView.PageView):
self.current_marker = None
def navigation_type(self):
print "MapView.navigation_type"
return PageView.NAVIGATION_NONE
def define_actions(self):
print "MapView.define_actions"
self.add_action('ZoomIn',gtk.STOCK_ZOOM_IN,
"Zoom _In",callback=self.zoom_in_cb)
self.add_action('ZoomOut',gtk.STOCK_ZOOM_OUT,
@ -303,6 +323,22 @@ class MapView(PageView.PageView):
"""
return 'gramps-map'
# For debugging: Reads in location from xearth
def get_xearth_markers(self):
data = []
f = open("/etc/xearth/xearth.markers")
l = f.readline()
#linere = re.compile('[^0-9.-]*(-?[0-9]+\.[0-9]+)[^0-9.-]*(-?[0-9]+\.[0-9]+).*"([^"])".*', "I")
while l:
if not l[0] == "#":
l = l.strip().replace('"',"").replace(" "," ").replace(" "," ").replace(" "," ").replace(" # ",", ")
m = l.split( None, 2)
if len(m) == 3:
data.append( (m[2],float(m[1]),float(m[0])))
l = f.readline()
return data
def build_widget(self):
hbox = gtk.HBox( False, 4)
hbox.set_border_width( 4)
@ -328,12 +364,17 @@ class MapView(PageView.PageView):
self.zoom_map.set_guide(self.guide_map)
# And the place list
self.place_list_view = MapPlacesList( data)
d = self.get_xearth_markers()
if not d:
d = data
self.place_list_view = MapPlacesList( d)
self.place_list_view.set_size_request(128,-1)
vport = gtk.ScrolledWindow()
vbox.pack_start(vport,True,True,0)
vport.add( self.place_list_view)
self.zoom_map.set_location_model(self.place_list_view.get_model(), 0,1,2)
self.place_list_view.connect("cursor-changed", self.entry_select_cb)
return hbox
@ -353,7 +394,6 @@ class MapView(PageView.PageView):
</ui>'''
def change_db(self,db):
print "MapView.change_db"
"""
Callback associated with DbState. Whenenver the database
changes, this task is called. In this case, we rebuild the