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April 20, 2015 14:12
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Simple OSM map view in pyqt using QtWebkit
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.css" /> | |
| <script src="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.js"></script> | |
| <style> | |
| body { padding: 0; margin: 0; } | |
| html, body, #map { height: 100%; } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| </body> | |
| </html> |
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| var map = L.map('map').setView([55.61121, 12.99351], 16); | |
| L.tileLayer('http://otile{s}.mqcdn.com/tiles/1.0.0/map/{z}/{x}/{y}.png', { | |
| maxZoom: 18, | |
| attribution: 'Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, ' + | |
| 'tiles Courtesy of <a href="http://www.mapquest.com/" target="_blank">MapQuest</a>', | |
| subdomains: '1234', | |
| }).addTo(map); | |
| var marker = L.marker(map.getCenter()).addTo(map); | |
| marker.bindPopup("Hello World!").openPopup(); | |
| if(typeof MainWindow != 'undefined') { | |
| var onMapMove = function() { MainWindow.onMapMove(map.getCenter().lat, map.getCenter().lng) }; | |
| map.on('move', onMapMove); | |
| onMapMove(); | |
| } |
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| #!/usr/bin/env python | |
| from PyQt4 import QtCore, QtGui, QtWebKit, QtNetwork | |
| import functools | |
| class MainWindow(QtGui.QWidget): | |
| def __init__(self): | |
| super(MainWindow, self).__init__() | |
| self.setupUi() | |
| self.show() | |
| self.raise_() | |
| def setupUi(self): | |
| #self.setFixedSize(800, 500) | |
| vbox = QtGui.QVBoxLayout() | |
| self.setLayout(vbox) | |
| label = self.label = QtGui.QLabel() | |
| sp = QtGui.QSizePolicy() | |
| sp.setVerticalStretch(0) | |
| label.setSizePolicy(sp) | |
| vbox.addWidget(label) | |
| view = self.view = QtWebKit.QWebView() | |
| cache = QtNetwork.QNetworkDiskCache() | |
| cache.setCacheDirectory("cache") | |
| view.page().networkAccessManager().setCache(cache) | |
| view.page().networkAccessManager() | |
| view.page().mainFrame().addToJavaScriptWindowObject("MainWindow", self) | |
| view.page().setLinkDelegationPolicy(QtWebKit.QWebPage.DelegateAllLinks) | |
| view.load(QtCore.QUrl('map.html')) | |
| view.loadFinished.connect(self.onLoadFinished) | |
| view.linkClicked.connect(QtGui.QDesktopServices.openUrl) | |
| vbox.addWidget(view) | |
| button = QtGui.QPushButton('Go to Paris') | |
| panToParis = functools.partial(self.panMap, 2.3272, 48.8620) | |
| button.clicked.connect(panToParis) | |
| vbox.addWidget(button) | |
| def onLoadFinished(self): | |
| with open('map.js', 'r') as f: | |
| frame = self.view.page().mainFrame() | |
| frame.evaluateJavaScript(f.read()) | |
| @QtCore.pyqtSlot(float, float) | |
| def onMapMove(self, lat, lng): | |
| self.label.setText('Lng: {:.5f}, Lat: {:.5f}'.format(lng, lat)) | |
| def panMap(self, lng, lat): | |
| frame = self.view.page().mainFrame() | |
| frame.evaluateJavaScript('map.panTo(L.latLng({}, {}));'.format(lat, lng)) | |
| if __name__ == '__main__': | |
| app = QtGui.QApplication([]) | |
| w = MainWindow() | |
| app.exec_() |
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Thank you for this @ataffanel.
I would love to write some code based on yours, for the UI of a project of mine. Please note that the project is completely non profit.
I would publish my code under BSD license but, since I couldn't find any mention of licensing in here, I would ask if you're ok with the idea.
Be sure that I would give credits and point to your gist in the published code; in case you want to know more about the project first, please feel free to ask.