bitbake: hob: Search strings and results should be persistent

Now, the search results stay until I clear the search field,
so that I can manipulate the search results.

[YOCTO #4112 & #4117]
(Bitbake rev: d880ce966ca825aa66a23755fcb47497fb3f26c3)

Signed-off-by: Cristiana Voicu <cristiana.voicu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

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

@@ -537,6 +537,8 @@ class HobNotebook(gtk.Notebook):
 
     def set_search_entry_editable_cb(self, search, event):
         search.set_editable(True)
+        text = search.get_text()
+        if text in self.search_names:
             search.set_text("")
         style = self.search.get_style()
         style.text[gtk.STATE_NORMAL] = self.get_colormap().alloc_color(HobColors.BLACK, False, False)
@@ -544,6 +546,8 @@ class HobNotebook(gtk.Notebook):
 
     def set_search_entry_reset_cb(self, search, event):
         page_num = self.get_current_page()
+        text = search.get_text()
+        if not text:
             self.reset_entry(search, page_num)
 
     def reset_entry(self, entry, page_num):
@@ -559,6 +563,7 @@ class HobNotebook(gtk.Notebook):
         if search.get_editable() == True:
             search.set_text("")
         search.set_icon_sensitive(gtk.ENTRY_ICON_SECONDARY, False)
+        search.grab_focus()
 
     def set_page(self, title):
         for child in self.pages:

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

@@ -180,9 +180,10 @@ class PackageSelectionPage (HobPage):
         self.button_box.pack_end(self.back_button, expand=False, fill=False)
 
     def search_entry_changed(self, entry):
+        text = entry.get_text()
+        if text not in self.ins.search_names:
             current_tab = self.ins.get_current_page()
             filter = self.pages[current_tab]['filter']
-        text = entry.get_text()
             filter[PackageListModel.COL_NAME] = text
             self.tables[current_tab].set_model(self.package_model.tree_model(filter, search_data=text))
             if self.package_model.filtered_nb == 0:

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

@@ -195,9 +195,10 @@ class RecipeSelectionPage (HobPage):
         button_box.pack_end(self.back_button, expand=False, fill=False)
 
     def search_entry_changed(self, entry):
+        text = entry.get_text()
+        if text not in self.ins.search_names:
             current_tab = self.ins.get_current_page()
             filter = self.pages[current_tab]['filter']
-        text = entry.get_text()
             filter[RecipeListModel.COL_NAME] = text
             self.tables[current_tab].set_model(self.recipe_model.tree_model(filter, search_data=text))
             if self.recipe_model.filtered_nb == 0: