ui/crumbs/imageconfigurationpage: make use of the HobInfoButton

Use the new HobInfoButton widget in place of the existing gtk.Image with
tooltip.

Modify the markup of the tooltip so that the link to the reference manual
is a clickable hyperlink.

(Bitbake rev: 10b4a6770640db49f2f55b8ad7ce55aebb250598)

Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/crumbs/imageconfigurationpage.py

@@ -24,7 +24,7 @@ import gtk
 import glib
 from bb.ui.crumbs.progressbar import HobProgressBar
 from bb.ui.crumbs.hobcolor import HobColors
-from bb.ui.crumbs.hobwidget import hic, HobXpmLabelButtonBox
+from bb.ui.crumbs.hobwidget import hic, HobXpmLabelButtonBox, HobInfoButton
 from bb.ui.crumbs.hoblistmodel import RecipeListModel
 from bb.ui.crumbs.hobpages import HobPage
 
@@ -137,16 +137,12 @@ class ImageConfigurationPage (HobPage):
             "Layers", "Add support for machines, software, etc")
         self.layer_button.connect("button-release-event", self.layer_button_clicked_cb)
 
-        icon_file = hic.ICON_INFO_DISPLAY_FILE
-        self.layer_info_icon = gtk.Image()
-        pix_buffer = gtk.gdk.pixbuf_new_from_file(icon_file)
-        self.layer_info_icon.set_from_pixbuf(pix_buffer)
         markup = "Layers are a powerful mechanism to extend the Yocto Project "
         markup += "with your own functionality.\n"
-        markup += "For more on layers, check:\n"
+        markup += "For more on layers, check the <a href=\""
         markup += "http://www.yoctoproject.org/docs/current/poky-ref-manual/"
-        markup += "poky-ref-manual.html#usingpoky-changes-layers."
-        self.layer_info_icon.set_tooltip_markup(markup)
+        markup += "poky-ref-manual.html#usingpoky-changes-layers\">reference manual</a>."
+        self.layer_info_icon = HobInfoButton(markup, self.get_parent())
 
         self.progress_bar = HobProgressBar()
         self.machine_separator = gtk.HSeparator()