300 lines
9.7 KiB
Python
300 lines
9.7 KiB
Python
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#!/usr/bin/env python3
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"""
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Copyright (C) Hadley Rich 2008 <hads@nice.net.nz>
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based on main.c - with thanks to John Stowers
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This is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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"""
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import random
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import gi
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gi.require_version("Gdk", "3.0")
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gi.require_version("Gtk", "3.0")
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gi.require_version("OsmGpsMap", "1.0")
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from gi.repository import (
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Gdk,
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GdkPixbuf,
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GLib,
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GObject,
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Gtk,
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OsmGpsMap as osmgpsmap,
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) # noqa
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print(f"using library: {osmgpsmap.__file__} (version {osmgpsmap._version})")
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assert osmgpsmap._version == "1.0"
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class DummyMapNoGpsPoint(osmgpsmap.Map):
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def do_draw_gps_point(self, drawable):
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pass
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GObject.type_register(DummyMapNoGpsPoint)
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class DummyLayer(GObject.GObject, osmgpsmap.MapLayer):
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def __init__(self):
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GObject.GObject.__init__(self)
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def do_draw(self, gpsmap, gdkdrawable):
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pass
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def do_render(self, gpsmap):
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pass
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def do_busy(self):
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return False
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def do_button_press(self, gpsmap, gdkeventbutton):
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return False
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GObject.type_register(DummyLayer)
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class UI(Gtk.Window):
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def __init__(self):
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Gtk.Window.__init__(self, type=Gtk.WindowType.TOPLEVEL)
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self.set_default_size(500, 500)
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self.connect("destroy", lambda x: Gtk.main_quit())
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self.set_title("OpenStreetMap GPS Mapper")
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self.vbox = Gtk.VBox(homogeneous=False, spacing=0)
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self.add(self.vbox)
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if 0:
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self.osm = DummyMapNoGpsPoint()
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else:
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self.osm = osmgpsmap.Map()
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self.osm.layer_add(
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osmgpsmap.MapOsd(show_dpad=True,
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show_zoom=True,
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show_crosshair=True)
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)
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self.osm.set_property("map-source", osmgpsmap.MapSource_t.OPENSTREETMAP)
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self.osm.layer_add(DummyLayer())
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self.last_image = None
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self.osm.connect("button_press_event", self.on_button_press)
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self.osm.connect("changed", self.on_map_change)
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# connect keyboard shortcuts
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self.osm.set_keyboard_shortcut(
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osmgpsmap.MapKey_t.FULLSCREEN, Gdk.keyval_from_name("F11")
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)
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self.osm.set_keyboard_shortcut(
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osmgpsmap.MapKey_t.UP, Gdk.keyval_from_name("Up")
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)
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self.osm.set_keyboard_shortcut(
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osmgpsmap.MapKey_t.DOWN, Gdk.keyval_from_name("Down")
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)
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self.osm.set_keyboard_shortcut(
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osmgpsmap.MapKey_t.LEFT, Gdk.keyval_from_name("Left")
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)
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self.osm.set_keyboard_shortcut(
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osmgpsmap.MapKey_t.RIGHT, Gdk.keyval_from_name("Right")
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)
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# connect to tooltip
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self.osm.props.has_tooltip = True
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self.osm.connect("query-tooltip", self.on_query_tooltip)
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self.latlon_entry = Gtk.Entry()
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zoom_in_button = Gtk.Button.new_from_icon_name("zoom-in",
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Gtk.IconSize.BUTTON)
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zoom_in_button.connect("clicked", self.zoom_in_clicked)
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zoom_out_button = Gtk.Button.new_from_icon_name("zoom-out",
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Gtk.IconSize.BUTTON)
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zoom_out_button.connect("clicked", self.zoom_out_clicked)
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home_button = Gtk.Button.new_from_icon_name("go-home",
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Gtk.IconSize.BUTTON)
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home_button.connect("clicked", self.home_clicked)
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cache_button = Gtk.Button(label="Cache")
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cache_button.connect("clicked", self.cache_clicked)
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self.vbox.pack_start(self.osm, True, True, 0)
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hbox = Gtk.HBox(homogeneous=False, spacing=0)
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hbox.pack_start(zoom_in_button, False, True, 0)
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hbox.pack_start(zoom_out_button, False, True, 0)
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hbox.pack_start(home_button, False, True, 0)
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hbox.pack_start(cache_button, False, True, 0)
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# add ability to test custom map URIs
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ex = Gtk.Expander(label="<b>Map Repository URI</b>")
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ex.props.use_markup = True
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vb = Gtk.VBox()
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self.repouri_entry = Gtk.Entry()
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self.repouri_entry.set_text(self.osm.props.repo_uri)
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self.image_format_entry = Gtk.Entry()
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self.image_format_entry.set_text(self.osm.props.image_format)
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lbl = Gtk.Label(
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label="""Enter an repository URL to fetch map tiles \
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from in the box below. Special metacharacters may be included in this url
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<i>Metacharacters:</i>
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\t#X\tMax X location
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\t#Y\tMax Y location
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\t#Z\tMap zoom (0 = min zoom, fully zoomed out)
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\t#S\tInverse zoom (max-zoom - #Z)
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\t#Q\tQuadtree encoded tile (qrts)
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\t#W\tQuadtree encoded tile (1234)
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\t#U\tEncoding not implemeted
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\t#R\tRandom integer, 0-4"""
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)
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lbl.props.xalign = 0
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lbl.props.use_markup = True
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lbl.props.wrap = True
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ex.add(vb)
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vb.pack_start(lbl, False, True, 0)
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hb = Gtk.HBox()
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hb.pack_start(Gtk.Label(label="URI: "), False, True, 0)
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hb.pack_start(self.repouri_entry, True, True, 0)
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vb.pack_start(hb, False, True, 0)
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hb = Gtk.HBox()
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hb.pack_start(Gtk.Label(label="Image Format: "), False, True, 0)
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hb.pack_start(self.image_format_entry, True, True, 0)
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vb.pack_start(hb, False, True, 0)
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gobtn = Gtk.Button(label="Load Map URI")
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gobtn.connect("clicked", self.load_map_clicked)
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vb.pack_start(gobtn, False, True, 0)
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self.show_tooltips = False
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cb = Gtk.CheckButton(label="Show Location in Tooltips")
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cb.props.active = self.show_tooltips
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cb.connect("toggled", self.on_show_tooltips_toggled)
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self.vbox.pack_end(cb, False, True, 0)
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cb = Gtk.CheckButton(label="Disable Cache")
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cb.props.active = False
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cb.connect("toggled", self.disable_cache_toggled)
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self.vbox.pack_end(cb, False, True, 0)
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self.vbox.pack_end(ex, False, True, 0)
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self.vbox.pack_end(self.latlon_entry, False, True, 0)
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self.vbox.pack_end(hbox, False, True, 0)
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GLib.timeout_add(500, self.print_tiles)
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def disable_cache_toggled(self, btn):
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if btn.props.active:
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self.osm.props.tile_cache = osmgpsmap.MAP_CACHE_DISABLED
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else:
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self.osm.props.tile_cache = osmgpsmap.MAP_CACHE_AUTO
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def on_show_tooltips_toggled(self, btn):
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self.show_tooltips = btn.props.active
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def load_map_clicked(self, button):
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uri = self.repouri_entry.get_text()
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format = self.image_format_entry.get_text()
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if uri and format:
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if self.osm:
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# remove old map
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self.vbox.remove(self.osm)
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try:
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self.osm = osmgpsmap.Map(repo_uri=uri, image_format=format)
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except Exception as e:
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print("ERROR:", e)
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self.osm = osmgpsmap.Map()
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self.vbox.pack_start(self.osm, True, True, 0)
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self.osm.show()
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def print_tiles(self):
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if self.osm.props.tiles_queued != 0:
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print(self.osm.props.tiles_queued, "tiles queued")
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return True
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def zoom_in_clicked(self, button):
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self.osm.set_zoom(self.osm.props.zoom + 1)
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def zoom_out_clicked(self, button):
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self.osm.set_zoom(self.osm.props.zoom - 1)
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def home_clicked(self, button):
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self.osm.set_center_and_zoom(-44.39, 171.25, 12)
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def on_query_tooltip(self, widget, x, y, keyboard_tip, tooltip, data=None):
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if keyboard_tip:
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return False
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if self.show_tooltips:
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p = osmgpsmap.point_new_degrees(0.0, 0.0)
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self.osm.convert_screen_to_geographic(x, y, p)
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lat, lon = p.get_degrees()
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tooltip.set_markup(f"{lat:+.4f}, {lon:+.4f}")
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return True
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return False
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def cache_clicked(self, button):
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bbox = self.osm.get_bbox()
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self.osm.download_maps(
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*bbox,
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zoom_start=self.osm.props.zoom,
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zoom_end=self.osm.props.max_zoom
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)
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def on_map_change(self, osm):
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self.latlon_entry.set_text(
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f"Map Centre: latitude {self.osm.props.latitude} "
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f"longitude {self.osm.props.longitude}"
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)
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def on_button_press(self, osm, event):
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state = event.get_state()
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lat, lon = self.osm.get_event_location(event).get_degrees()
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left = event.button == 1 and state == 0
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middle = event.button == 2 or (
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event.button == 1 and state & Gdk.ModifierType.SHIFT_MASK
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)
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right = event.button == 3 or (
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event.button == 1 and state & Gdk.ModifierType.CONTROL_MASK
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)
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# work around binding bug with invalid variable name
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GDK_2BUTTON_PRESS = getattr(Gdk.EventType, "2BUTTON_PRESS")
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GDK_3BUTTON_PRESS = getattr(Gdk.EventType, "3BUTTON_PRESS")
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if event.type == GDK_3BUTTON_PRESS:
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if middle:
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if self.last_image is not None:
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self.osm.image_remove(self.last_image)
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self.last_image = None
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elif event.type == GDK_2BUTTON_PRESS:
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if left:
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self.osm.gps_add(lat, lon, heading=random.random() * 360)
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if middle:
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pb = GdkPixbuf.Pixbuf.new_from_file_at_size("poi.png", 24, 24)
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self.last_image = self.osm.image_add(lat, lon, pb)
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if right:
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pass
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if __name__ == "__main__":
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u = UI()
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u.show_all()
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Gtk.main()
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