Utils: Add an "online" icon

..and use it in the Help plugin to open online help.

Change-Id: Ic84c63257a08b3c2ac76bedc0db04f297f695291
Reviewed-by: Tasuku Suzuki <tasuku.suzuki@qbc.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/libs/utils/utils.qrc

@@ -223,6 +223,8 @@
         <file>images/toggleprogressdetails@2x.png</file>
         <file>images/unknownfile.png</file>
         <file>images/dir.png</file>
+        <file>images/online.png</file>
+        <file>images/online@2x.png</file>
         <file alias="mimetypes/freedesktop.org.xml" compression-algorithm="best">../3rdparty/xdg/freedesktop.org.xml</file>
     </qresource>
     <qresource prefix="/codemodel">

src/libs/utils/utilsicons.cpp

@@ -194,6 +194,8 @@ const Icon SORT_ALPHABETICALLY_TOOLBAR({
         {QLatin1String(":/utils/images/sort_alphabetically.png"), Theme::IconsBaseColor}});
 const Icon TOGGLE_PROGRESSDETAILS_TOOLBAR({
     {QLatin1String(":/utils/images/toggleprogressdetails.png"), Theme::IconsBaseColor}});
+const Icon ONLINE_TOOLBAR({
+        {QLatin1String(":/utils/images/online.png"), Theme::IconsBaseColor}});
 
 const Icon WARNING({
         {QLatin1String(":/utils/images/warningfill.png"), Theme::BackgroundColorNormal},

src/libs/utils/utilsicons.h

@@ -113,6 +113,7 @@ QTCREATOR_UTILS_EXPORT extern const Icon LINK;
 QTCREATOR_UTILS_EXPORT extern const Icon LINK_TOOLBAR;
 QTCREATOR_UTILS_EXPORT extern const Icon SORT_ALPHABETICALLY_TOOLBAR;
 QTCREATOR_UTILS_EXPORT extern const Icon TOGGLE_PROGRESSDETAILS_TOOLBAR;
+QTCREATOR_UTILS_EXPORT extern const Icon ONLINE_TOOLBAR;
 
 QTCREATOR_UTILS_EXPORT extern const Icon INFO;
 QTCREATOR_UTILS_EXPORT extern const Icon INFO_TOOLBAR;

src/plugins/help/helpwidget.cpp

@@ -208,7 +208,7 @@ HelpWidget::HelpWidget(const Core::Context &context, WidgetStyle style, QWidget
     layout->addWidget(new Utils::StyledSeparator(toolBar));
     layout->addWidget(Core::Command::toolButtonWithAppendedShortcut(m_addBookmarkAction, cmd));
 
-    m_openOnlineDocumentationAction = new QAction(Utils::Icons::EXPORTFILE_TOOLBAR.icon(), tr("Open Online Documentation..."), this);
+    m_openOnlineDocumentationAction = new QAction(Utils::Icons::ONLINE_TOOLBAR.icon(), tr("Open Online Documentation..."), this);
     cmd = Core::ActionManager::registerAction(m_openOnlineDocumentationAction, Constants::HELP_OPENONLINE, context);
     connect(m_openOnlineDocumentationAction, &QAction::triggered, this, &HelpWidget::openOnlineDocumentation);
     layout->addWidget(Core::Command::toolButtonWithAppendedShortcut(m_openOnlineDocumentationAction, cmd));

src/tools/icons/qtcreatoricons.svg

@@ -3727,6 +3727,39 @@
          width="100%"
          height="100%" />
     </g>
+    <g
+       id="src/libs/utils/images/online"
+       transform="translate(176)"
+       style="display:inline">
+      <use
+         x="0"
+         y="0"
+         xlink:href="#backgroundRect"
+         id="use6217"
+         width="100%"
+         height="100%"
+         transform="translate(1740,132)"
+         style="display:inline" />
+      <circle
+         style="fill:none;stroke:#000000"
+         id="path6227"
+         cx="1732.5"
+         cy="575.5"
+         r="6" />
+      <ellipse
+         cy="575.5"
+         cx="1732.5"
+         id="circle6239"
+         style="fill:none;stroke:#000000"
+         ry="6"
+         rx="2.8299999" />
+      <path
+         id="path2519"
+         style="fill:none;stroke:#000000"
+         d="m 1727,572.5 h 11 m -11,6 h 11 m -11,-3 h 11"
+         inkscape:connector-curvature="0"
+         sodipodi:nodetypes="cccccc" />
+    </g>
   </g>
   <g
      inkscape:groupmode="layer"