Implement #1471 (Full Screen for the Ebook Viewer component)

src/calibre/gui2/viewer/main.py

@@ -242,6 +242,8 @@ class EbookViewer(MainWindow, Ui_EbookViewer):
                      lambda x:self.view.previous_page())
         self.connect(self.action_find_next, SIGNAL('triggered(bool)'), 
                      lambda x:self.find(unicode(self.search.text()), True, repeat=True))
+        self.connect(self.action_full_screen, SIGNAL('triggered(bool)'),
+                     self.toggle_fullscreen)
         self.connect(self.action_back, SIGNAL('triggered(bool)'), self.back)
         self.connect(self.action_bookmark, SIGNAL('triggered(bool)'), self.bookmark)
         self.connect(self.action_forward, SIGNAL('triggered(bool)'), self.forward)
@@ -263,6 +265,13 @@ class EbookViewer(MainWindow, Ui_EbookViewer):
         self.tool_bar.setContextMenuPolicy(Qt.PreventContextMenu)
         self.tool_bar2.setContextMenuPolicy(Qt.PreventContextMenu)
         self.tool_bar.widgetForAction(self.action_bookmark).setPopupMode(QToolButton.MenuButtonPopup)
+        self.action_full_screen.setCheckable(True)
+
+    def toggle_fullscreen(self, x):
+        if self.isFullScreen():
+            self.showNormal()
+        else:
+            self.showFullScreen()
     
     def goto(self, ref):
         if ref:
@@ -574,7 +583,7 @@ View an ebook.
 
 def main(args=sys.argv):
     parser = option_parser()
-    opts, args = parser.parse_args(args)
+    args = parser.parse_args(args)[-1]
     pid = os.fork() if islinux else -1
     if pid <= 0:
         app = Application(args)

src/calibre/gui2/viewer/main.ui

@@ -27,8 +27,8 @@
       <widget class="QWidget" name="layoutWidget" >
        <layout class="QGridLayout" name="gridLayout" >
         <item row="0" column="0" >
-         <widget class="QWebView" name="view" >
-          <property name="url" >
+         <widget class="QWebView" native="1" name="view" >
+          <property name="url" stdset="0" >
            <url>
             <string>about:blank</string>
            </url>
@@ -88,6 +88,7 @@
    <addaction name="action_reference_mode" />
    <addaction name="separator" />
    <addaction name="action_preferences" />
+   <addaction name="action_full_screen" />
   </widget>
   <widget class="QToolBar" name="tool_bar2" >
    <attribute name="toolBarArea" >
@@ -224,6 +225,15 @@
     <string>Bookmark</string>
    </property>
   </action>
+  <action name="action_full_screen" >
+   <property name="icon" >
+    <iconset resource="../images.qrc" >
+     <normaloff>:/images/page.svg</normaloff>:/images/page.svg</iconset>
+   </property>
+   <property name="text" >
+    <string>Toggle full screen</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>