bitbake: hob: Error reports are done in a clearer way

For long errors (bigger than 200 letters),
the text box is scrollable and resizable
and text is selectable.

Additionaly, all message dialogs are modal.
Otherwise, a user could still interact with hob
even in an error case, leading to potential problems.

See design details in related bugs.

Fixes [YOCTO #2960], [YOCTO #2983]

(Bitbake rev: be8bf02f2b347edf5514cafc6cb6a44f71118736)

Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

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

@@ -849,9 +849,8 @@ class Builder(gtk.Window):
                 self.generate_image_async(True)
 
     def show_error_dialog(self, msg):
-        lbl = "<b>Error</b>\n"
+        lbl = "<b>Hob found an error</b>\n"
-        lbl = lbl + "%s\n\n" % glib.markup_escape_text(msg)
+        dialog = CrumbsMessageDialog(self, lbl, gtk.STOCK_DIALOG_ERROR, msg)
-        dialog = CrumbsMessageDialog(self, lbl, gtk.STOCK_DIALOG_ERROR)
         button = dialog.add_button("Close", gtk.RESPONSE_OK)
         HobButton.style_button(button)
         response = dialog.run()

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

@@ -21,6 +21,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 import glob
+import glib
 import gtk
 import gobject
 import hashlib
@@ -236,18 +237,18 @@ class CrumbsMessageDialog(CrumbsDialog):
     A GNOME HIG compliant dialog widget.
     Add buttons with gtk.Dialog.add_button or gtk.Dialog.add_buttons
     """
-    def __init__(self, parent=None, label="", icon=gtk.STOCK_INFO):
+    def __init__(self, parent=None, label="", icon=gtk.STOCK_INFO, msg=""):
-        super(CrumbsMessageDialog, self).__init__("", parent, gtk.DIALOG_DESTROY_WITH_PARENT)
+        super(CrumbsMessageDialog, self).__init__("", parent, gtk.DIALOG_MODAL)
 
         self.set_border_width(6)
         self.vbox.set_property("spacing", 12)
         self.action_area.set_property("spacing", 12)
         self.action_area.set_property("border-width", 6)
 
-        first_row = gtk.HBox(spacing=12)
+        first_column = gtk.HBox(spacing=12)
-        first_row.set_property("border-width", 6)
+        first_column.set_property("border-width", 6)
-        first_row.show()
+        first_column.show()
-        self.vbox.add(first_row)
+        self.vbox.add(first_column)
 
         self.icon = gtk.Image()
         # We have our own Info icon which should be used in preference of the stock icon
@@ -255,15 +256,43 @@ class CrumbsMessageDialog(CrumbsDialog):
         self.icon.set_from_stock(self.icon_chk.check_stock_icon(icon), gtk.ICON_SIZE_DIALOG)
         self.icon.set_property("yalign", 0.00)
         self.icon.show()
-        first_row.add(self.icon)
+        first_column.pack_start(self.icon, expand=False, fill=True, padding=0)
-
+        
-        self.label = gtk.Label()
+        if 0 <= len(msg) < 200:
-        self.label.set_use_markup(True)
+            lbl = label + "%s" % glib.markup_escape_text(msg)
-        self.label.set_line_wrap(True)
+            self.label_short = gtk.Label()
-        self.label.set_markup(label)
+            self.label_short.set_use_markup(True)
-        self.label.set_property("yalign", 0.00)
+            self.label_short.set_line_wrap(True)
-        self.label.show()
+            self.label_short.set_markup(lbl)
-        first_row.add(self.label)
+            self.label_short.set_property("yalign", 0.00)
+            self.label_short.show()
+            first_column.add(self.label_short)
+        else:
+            second_row = gtk.VBox(spacing=12)
+            second_row.set_property("border-width", 6)
+            self.label_long = gtk.Label()
+            self.label_long.set_use_markup(True)
+            self.label_long.set_line_wrap(True)
+            self.label_long.set_markup(label)
+            self.label_long.set_alignment(0.0, 0.0)
+            second_row.pack_start(self.label_long, expand=False, fill=False, padding=0)
+            self.label_long.show()
+            self.textWindow = gtk.ScrolledWindow()
+            self.textWindow.set_shadow_type(gtk.SHADOW_IN)
+            self.msgView = gtk.TextView()
+            self.msgView.set_editable(False)
+            self.msgView.set_wrap_mode(gtk.WRAP_WORD)
+            self.msgView.set_cursor_visible(False)
+            self.msgView.set_size_request(300, 300)
+            self.buf = gtk.TextBuffer()
+            self.buf.set_text(msg)
+            self.msgView.set_buffer(self.buf)
+            self.textWindow.add(self.msgView)
+            self.msgView.show()
+            second_row.add(self.textWindow)
+            self.textWindow.show()
+            first_column.add(second_row)
+            second_row.show()
 
 #
 # SimpleSettings Dialog