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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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from gi.repository import GtkClutter, Clutter |
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GtkClutter.init([]) # Must be initialized before importing those: |
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from gi.repository import GObject, Gtk, Champlain, GtkChamplain |
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from markers import create_marker_layer |
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class LauncherGTK: |
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def __init__(self): |
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self.window = Gtk.Window() |
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self.window.set_border_width(10) |
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self.window.set_title("libchamplain Gtk+ demo (python introspection)") |
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self.window.connect("destroy", Gtk.main_quit) |
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vbox = Gtk.VBox(False, 10) |
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embed = GtkChamplain.Embed() |
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self.view = embed.get_view() |
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self.view.set_reactive(True) |
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self.view.connect('button-release-event', self.mouse_click_cb, |
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self.view) |
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self.view.set_property('kinetic-mode', True) |
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self.view.set_property('zoom-level', 5) |
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scale = Champlain.Scale() |
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scale.connect_view(self.view) |
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self.view.bin_layout_add(scale, Clutter.BinAlignment.START, |
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Clutter.BinAlignment.END) |
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license = self.view.get_license_actor() |
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license.set_extra_text("Don't eat cereals with orange juice\nIt tastes bad") |
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self.view.center_on(45.466, -73.75) |
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self.layer = create_marker_layer(self.view) |
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self.view.add_layer(self.layer) |
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self.layer.hide_all_markers() |
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self.path_layer = Champlain.PathLayer() |
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# Cheap approx of Highway 10 |
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self.add_node(self.path_layer, 45.4095, -73.3197) |
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self.add_node(self.path_layer, 45.4104, -73.2846) |
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self.add_node(self.path_layer, 45.4178, -73.2239) |
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self.add_node(self.path_layer, 45.4176, -73.2181) |
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self.add_node(self.path_layer, 45.4151, -73.2126) |
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self.add_node(self.path_layer, 45.4016, -73.1926) |
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self.add_node(self.path_layer, 45.3994, -73.1877) |
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self.add_node(self.path_layer, 45.4000, -73.1815) |
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self.add_node(self.path_layer, 45.4151, -73.1218) |
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self.view.add_layer(self.path_layer) |
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embed.set_size_request(640, 480) |
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bbox = Gtk.HBox(False, 10) |
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button = Gtk.Button(stock=Gtk.STOCK_ZOOM_IN) |
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button.connect("clicked", self.zoom_in) |
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bbox.add(button) |
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button = Gtk.Button(stock=Gtk.STOCK_ZOOM_OUT) |
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button.connect("clicked", self.zoom_out) |
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bbox.add(button) |
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button = Gtk.ToggleButton(label="Markers") |
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button.set_active(False) |
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button.connect("toggled", self.toggle_layer) |
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bbox.add(button) |
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combo = Gtk.ComboBox() |
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map_source_factory = Champlain.MapSourceFactory.dup_default() |
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liststore = Gtk.ListStore(str, str) |
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for source in map_source_factory.get_registered(): |
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liststore.append([source.get_id(), source.get_name()]) |
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combo.set_model(liststore) |
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cell = Gtk.CellRendererText() |
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combo.pack_start(cell, False) |
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combo.add_attribute(cell, 'text', 1) |
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combo.connect("changed", self.map_source_changed) |
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combo.set_active(0) |
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bbox.add(combo) |
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self.spinbutton = Gtk.SpinButton.new_with_range(0, 20, 1) |
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self.spinbutton.connect("changed", self.zoom_changed) |
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self.view.connect("notify::zoom-level", self.map_zoom_changed) |
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self.spinbutton.set_value(5) |
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bbox.add(self.spinbutton) |
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button = Gtk.Image() |
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self.view.connect("notify::state", self.view_state_changed, button) |
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bbox.pack_end(button, False, False, 0) |
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vbox.pack_start(bbox, expand=False, fill=False, padding=0) |
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vbox.add(embed) |
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self.window.add(vbox) |
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self.window.show_all() |
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def add_node(self, path_layer, lat, lon): |
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coord = Champlain.Coordinate.new_full(lat, lon) |
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path_layer.add_node(coord) |
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def zoom_in(self, widget): |
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self.view.zoom_in() |
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def zoom_out(self, widget): |
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self.view.zoom_out() |
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def toggle_layer(self, widget): |
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if widget.get_active(): |
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self.path_layer.show() |
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self.layer.animate_in_all_markers() |
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else: |
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self.path_layer.hide() |
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self.layer.animate_out_all_markers() |
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def mouse_click_cb(self, actor, event, view): |
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x, y = event.x, event.y |
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lat, lon = view.x_to_longitude(x), view.y_to_latitude(y) |
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print "Mouse click at: %f %f" % (lon, lat) |
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return True |
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def zoom_changed(self, widget): |
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self.view.set_property("zoom-level", self.spinbutton.get_value_as_int()) |
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def map_source_changed(self, widget): |
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model = widget.get_model() |
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iter = widget.get_active_iter() |
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id = model.get_value(iter, 0) |
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map_source_factory = Champlain.MapSourceFactory.dup_default() |
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source = map_source_factory.create_cached_source(id); |
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self.view.set_property("map-source", source) |
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def map_zoom_changed(self, widget, value): |
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self.spinbutton.set_value(self.view.get_property("zoom-level")) |
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def view_state_changed(self, view, paramspec, image): |
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state = view.get_state() |
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if state == Champlain.State.LOADING: |
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image.set_from_stock(Gtk.STOCK_NETWORK, Gtk.IconSize.BUTTON) |
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else: |
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image.clear() |
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if __name__ == "__main__": |
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GObject.threads_init() |
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LauncherGTK() |
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Gtk.main() |
