bitbake: HOB: Busy cursor when saving configuration

Display a busy cursor while the configuration is saved.

[YOCTO #4846]
(Bitbake rev: fdb2e0120f189e97b8fdb6eb72d77a3100ba3018)

Signed-off-by: Valentin Popa <valentin.popa@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

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

@@ -31,6 +31,7 @@ import re
 import logging
 import sys
 import signal
+import time
 from bb.ui.crumbs.imageconfigurationpage import ImageConfigurationPage
 from bb.ui.crumbs.recipeselectionpage import RecipeSelectionPage
 from bb.ui.crumbs.packageselectionpage import PackageSelectionPage
@@ -1466,3 +1467,10 @@ class Builder(gtk.Window):
 
     def get_topdir(self):
         return self.handler.get_topdir()
+
+    def wait(self, delay):
+        time_start = time.time()
+        time_end = time_start + delay
+        while time_end > time.time():
+            while gtk.events_pending():
+                gtk.main_iteration()

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

@@ -300,7 +300,12 @@ class ImageConfigurationPage (HobPage):
     def view_warnings_button_clicked_cb(self, button):
         self.builder.show_warning_dialog()
 
+    def machine_combo_changed_idle_cb(self):
+        self.builder.window.set_cursor(None)
+
     def machine_combo_changed_cb(self, machine_combo):
+        self.builder.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH))
+        self.builder.wait(0.1) #wait for combo and cursor to update
         self.stopping = False
         self.builder.parsing_warnings = []
         combo_item = machine_combo.get_active_text()
@@ -324,6 +329,8 @@ class ImageConfigurationPage (HobPage):
         # Do reparse recipes
         self.builder.populate_recipe_package_info_async()
 
+        glib.idle_add(self.machine_combo_changed_idle_cb)
+
     def update_machine_combo(self):
         self.disable_warnings_bar()
         all_machines = [self.__dummy_machine__] + self.builder.parameters.all_machines
@@ -527,7 +534,10 @@ class ImageConfigurationPage (HobPage):
         if not response:
             return
         if settings_changed:
+            self.builder.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH))
+            self.builder.wait(0.1) #wait for adv_settings_dialog to terminate
             self.builder.reparse_post_adv_settings()
+            self.builder.window.set_cursor(None)
 
     def just_bake_button_clicked_cb(self, button):
         self.builder.parsing_warnings = []