lib/bb/ui/crumbs/hobwidget: HobAltButton different visual when insensitive

Use an alternative, grey, colour when the button is insensitive so that
the insensitivity is easily noticed.

(Bitbake rev: 53af6a962aa2f6b4d68d59792be9c7f33cf887b4)

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

1 files changed, 25 insertions, 2 deletions

diff --git a/bitbake/lib/bb/ui/crumbs/hobwidget.py b/bitbake/lib/bb/ui/crumbs/hobwidget.py
index 1213b11805..7988975621 100644
--- a/bitbake/lib/bb/ui/crumbs/hobwidget.py
+++ b/bitbake/lib/bb/ui/crumbs/hobwidget.py
@@ -222,9 +222,32 @@ class HobAltButton(gtk.Button):
     A gtk.Button subclass which has no relief, and so is more discrete
     """
     def __init__(self, label):
-        gtk.Button.__init__(self, "<span color='%s'><b>%s</b></span>" % (HobColors.PALE_BLUE, gobject.markup_escape_text(label)))
-        self.child.set_use_markup(True)
+        gtk.Button.__init__(self)
+        self.text = label
+        self.set_text()
         self.set_relief(gtk.RELIEF_NONE)
+        self.connect("state-changed", self.desensitise_on_state_change_cb)
+
+    """
+    A callback for the state-changed event to ensure the text is displayed
+    differently when the widget is not sensitive
+    """
+    def desensitise_on_state_change_cb(self, widget, state):
+        if widget.get_state() == gtk.STATE_INSENSITIVE:
+            self.set_text(False)
+        else:
+            self.set_text(True)
+
+    """
+    Set the button label with an appropriate colour for the current widget state
+    """
+    def set_text(self, sensitive=True):
+        if sensitive:
+            colour = HobColors.PALE_BLUE
+        else:
+            colour = HobColors.LIGHT_GRAY
+        self.set_label("<span color='%s'><b>%s</b></span>" % (colour, gobject.markup_escape_text(self.text)))
+        self.child.set_use_markup(True)
 
 class HobImageButton(gtk.Button):
     """