use QDesktopServices to open help files

Author: alexbruy

python/plugins/sextante/SextantePlugin.py

@@ -1,6 +1,5 @@
 import os, sys
 import inspect
-import subprocess
 
 from PyQt4.QtCore import *
 from PyQt4.QtGui import *
@@ -122,14 +121,8 @@ def openConfig(self):
         dlg.exec_()
 
     def openAbout(self):
-        dlg = AboutDialog(self)
+        dlg = AboutDialog()
         dlg.exec_()
 
     def openHelp(self):
-        filename = os.path.dirname(__file__) + "/help/index.html"
-        if os.name == "nt":
-            os.startfile(filename)
-        elif sys.platform == "darwin":
-            subprocess.Popen(('open', filename))
-        else:
-            subprocess.call(('xdg-open', filename))
+        QDesktopServices.openUrl(QUrl(os.path.dirname(__file__) + "/help/index.html"))

python/plugins/sextante/about/AboutDialog.py

@@ -10,30 +10,37 @@
 
 class AboutDialog(QDialog, Ui_DlgAbout):
 
-    def __init__(self, parent):
+    def __init__(self):
         QDialog.__init__(self)
         self.setupUi(self)
 
+        self.buttonBox.helpRequested.connect(self.openHelp)
+
         self.setAboutText()
 
     def setAboutText(self):
         strAbout = self.tr("""
-<img src="qrc:/sextante/images/sextante_logo.png" />
-<h2>SEXTANTE for QGIS</h2>
-<p>SEXTANTE, a geoprocessing platform for QGIS</p>
-<p>A development by Victor Olaya (volayaf@gmail.com).</p>
-<p>Portions of this software contributed by:
-<ul>
-<li>Alexander Bruy</li>
-<li>Carson Farmer (fTools algorithms)</li>
-<li>Julien Malik (Orfeo Toolbox connectors)</li>
-<li>Evgeniy Nikulin (Original Field Pyculator code)</li>
-<li>Michael Nimm (mmqgis algorithms)</li>
-<li>Camilo Polymeris (Threading). Developed as part of Google Summer of Code 2012</li>
-</ul>
-</p>
-<p>You are currently using SEXTANTE v%1</p>
-<p>This software is distributed under the terms of the GNU GPL License v2.
-<p>For more information, please visit our website at <a href="http://sextantegis.com">http://sextantegis.com</a></p>
-        """).arg(version())
+            <img src="qrc:/sextante/images/sextante_logo.png" />
+            <h2>SEXTANTE for QGIS</h2>
+            <p>SEXTANTE, a geoprocessing platform for QGIS</p>
+            <p>A development by Victor Olaya (volayaf@gmail.com).</p>
+            <p>Portions of this software contributed by:
+            <ul>
+            <li>Alexander Bruy</li>
+            <li>Carson Farmer (fTools algorithms)</li>
+            <li>Julien Malik (Orfeo Toolbox connectors)</li>
+            <li>Evgeniy Nikulin (Original Field Pyculator code)</li>
+            <li>Michael Nimm (mmqgis algorithms)</li>
+            <li>Camilo Polymeris (Threading). Developed as part of Google
+            Summer of Code 2012</li>
+            </ul>
+            </p>
+            <p>You are currently using SEXTANTE v%1</p>
+            <p>This software is distributed under the terms of the GNU GPL License v2.
+            <p>For more information, please visit our website at
+            <a href="http://sextantegis.com">http://sextantegis.com</a></p>
+            """).arg(version())
         self.webView.setHtml(strAbout)
+
+    def openHelp(self):
+        QDesktopServices.openUrl(QUrl(os.path.join(os.path.dirname(__file__), os.path.pardir) + "/help/index.html"))