prep to replace stock button labels

a) as per https://developer.gnome.org/gtk3/stable/gtk3-Stock-Items.html
use-stock=gtk-ok is deprecated and plain "OK", "Cancel" are indicated
instead.
b) to avoid adding thousands of extra labels to translate we'll convert
use-stock buttons to use the translatable strings, but give them all the
same "stock" translation context. Our translation rules don't like
duplicates in the output .po's so strip "stock" contents from the
translation collection rules in uiex and add a single set per .po in
l10ntools/source/localize.cxx
c) a script to rewrite the .uis to the new rules

the previously use-stock labels won't appear translated until there has
been a round trip of extraction, translations and import of translations

Change-Id: Ibe4d0d27f2abbf5aa3df9c63af1561cd01d9fddd
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/108812
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 64 insertions, 0 deletions

diff --git a/bin/ui-converter-skeleton.py b/bin/ui-converter-skeleton.py
index 298b6c024daf..01d3bad26105 100755
--- a/bin/ui-converter-skeleton.py
+++ b/bin/ui-converter-skeleton.py
@@ -34,6 +34,69 @@ def add_truncate_multiline(current):
       truncate_multiline.text = "True"
       current.insert(insertpos - 1, truncate_multiline)
 
+def do_replace_button_use_stock(current, use_stock, use_underline, label, insertpos):
+  if not use_underline:
+      underline = etree.Element("property")
+      attributes = underline.attrib
+      attributes["name"] = "use-underline"
+      underline.text = "True"
+      current.insert(insertpos - 1, underline)
+  current.remove(use_stock)
+  attributes = label.attrib
+  attributes["translatable"] = "yes"
+  attributes["context"] = "stock"
+  if label.text == 'gtk-add':
+    label.text = "_Add"
+  elif label.text == 'gtk-apply':
+    label.text = "_Apply"
+  elif label.text == 'gtk-cancel':
+    label.text = "_Cancel"
+  elif label.text == 'gtk-close':
+    label.text = "_Close"
+  elif label.text == 'gtk-delete':
+    label.text = "_Delete"
+  elif label.text == 'gtk-edit':
+    label.text = "_Edit"
+  elif label.text == 'gtk-help':
+    label.text = "_Help"
+  elif label.text == 'gtk-new':
+    label.text = "_New"
+  elif label.text == 'gtk-no':
+    label.text = "_No"
+  elif label.text == 'gtk-ok':
+    label.text = "_OK"
+  elif label.text == 'gtk-remove':
+    label.text = "_Remove"
+  elif label.text == 'gtk-revert-to-saved':
+    label.text = "_Reset"
+  elif label.text == 'gtk-yes':
+    label.text = "_yes"
+  else:
+    raise("unknown label")
+
+def replace_button_use_stock(current):
+  use_underline = False
+  use_stock = None
+  label = None
+  isbutton = current.get('class') == "GtkButton"
+  insertpos = 0
+  for child in current:
+    replace_button_use_stock(child)
+    insertpos = insertpos + 1;
+    if not isbutton:
+        continue
+    if child.tag == "property":
+      attributes = child.attrib
+      if attributes.get("name") == "use_underline" or attributes.get("name") == "use-underline":
+        use_underline = True
+      if attributes.get("name") == "use_stock" or attributes.get("name") == "use-stock":
+        use_stock = child
+      if attributes.get("name") == "label":
+        label = child
+
+  if isbutton and use_stock != None:
+    do_replace_button_use_stock(current, use_stock, use_underline, label, insertpos)
+
 with open(sys.argv[1], encoding="utf-8") as f:
   header = f.readline()
   firstline = f.readline()
@@ -57,6 +120,7 @@ with open(sys.argv[1], encoding="utf-8") as f:
 # tdf#138848 Copy-and-Paste in input box should not append an ENTER character
 if not sys.argv[1].endswith('/multiline.ui'): # let this one alone not truncate multiline pastes
   add_truncate_multiline(root)
+replace_button_use_stock(root)
 
 with open(sys.argv[1], 'wb') as o:
   # without encoding='unicode' (and the matching encode("utf8")) we get &#XXXX replacements for non-ascii characters