[d-feet/correctly-honour-theme-foreground-colour: 9/9] WIP: Correctly honour theme foreground colour



commit 1ba12c121e984c689b1fedcad94a57d1c4a3b516
Author: Will Thompson <will willthompson co uk>
Date:   Tue Sep 18 15:58:03 2018 +0100

    WIP: Correctly honour theme foreground colour

 src/dfeet/executemethoddialog.py  |  3 +-
 src/dfeet/introspection.py        | 11 ++---
 src/dfeet/introspection_helper.py | 84 +++++++++++++++++++--------------------
 src/tests/tests.py.in             |  2 +-
 4 files changed, 51 insertions(+), 49 deletions(-)
---
diff --git a/src/dfeet/executemethoddialog.py b/src/dfeet/executemethoddialog.py
index caf96ef..1e1940c 100644
--- a/src/dfeet/executemethoddialog.py
+++ b/src/dfeet/executemethoddialog.py
@@ -34,7 +34,8 @@ class ExecuteMethodDialog:
         self.label_min = ui.get_widget('label_min')
         self.label_max = ui.get_widget('label_max')
         ui.connect_signals(signal_dict)
-        self.label_method_name.set_markup("%s" % (self.method_obj.markup_str))
+        self.label_method_name.set_markup("%s" % (
+            self.method_obj.markup_str(self.label_method_name)))
         self.label_object_path.set_markup("%s" % (self.method_obj.object_path))
         self.label_interface.set_markup("%s" % (self.method_obj.iface_info.name))
 
diff --git a/src/dfeet/introspection.py b/src/dfeet/introspection.py
index fd41b92..816f14c 100644
--- a/src/dfeet/introspection.py
+++ b/src/dfeet/introspection.py
@@ -115,7 +115,7 @@ class AddressInfo():
             # update the object value so markup string is calculated correct
             obj.value = result[0]
             # set new markup string
-            model[iter_][0] = obj.markup_str
+            model[iter_][0] = obj.markup_str(treeview)
         else:
             if treeview.row_expanded(path):
                 treeview.collapse_row(path)
@@ -205,7 +205,7 @@ class AddressInfo():
                             method_obj = DBusMethod(iface_obj, iface_method)
                             self.__treemodel.append(
                                 iface_methods_iter,
-                                ["%s" % method_obj.markup_str, method_obj])
+                                ["%s" % method_obj.markup_str(self.__treeview), method_obj])
                     # interface signals
                     if len(iface.signals) > 0:
                         iface_signals_iter = self.__treemodel.append(
@@ -214,7 +214,7 @@ class AddressInfo():
                             signal_obj = DBusSignal(iface_obj, iface_signal)
                             self.__treemodel.append(
                                 iface_signals_iter,
-                                ["%s" % signal_obj.markup_str, signal_obj])
+                                ["%s" % signal_obj.markup_str(self.__treeview), signal_obj])
                     # interface properties
                     if len(iface.properties) > 0:
                         iface_properties_iter = self.__treemodel.append(
@@ -223,7 +223,7 @@ class AddressInfo():
                             property_obj = DBusProperty(iface_obj, iface_property)
                             self.__treemodel.append(
                                 iface_properties_iter,
-                                ["%s" % property_obj.markup_str, property_obj])
+                                ["%s" % property_obj.markup_str(self.__treeview), property_obj])
                     # interface annotations
                     if len(iface.annotations) > 0:
                         iface_annotations_iter = self.__treemodel.append(
@@ -232,7 +232,8 @@ class AddressInfo():
                             annotation_obj = DBusAnnotation(iface_obj, iface_annotation)
                             self.__treemodel.append(
                                 iface_annotations_iter,
-                                ["%s" % (annotation_obj.markup_str), annotation_obj])
+                                ["%s" % (annotation_obj.markup_str(self.__treeview)),
+                                 annotation_obj])
 
             # are more nodes left?
             if len(node_info.nodes) > 0:
diff --git a/src/dfeet/introspection_helper.py b/src/dfeet/introspection_helper.py
index b718c1a..bab9621 100644
--- a/src/dfeet/introspection_helper.py
+++ b/src/dfeet/introspection_helper.py
@@ -3,29 +3,28 @@
 from gi.repository import GObject, Gio, Gtk
 from dfeet import dbus_utils
 
-_style_context = None
-_fg_color = "#000000"
-
-
-def fg_color():
-    global _style_context, _fg_color
-    if _style_context is None:
-        _style_context = Gtk.StyleContext()
-        color = _style_context.get_color(Gtk.StateFlags.NORMAL)
-        _fg_color = "#%02x%02x%02x" % (
-            int(color.red) * 255,
-            int(color.green) * 255,
-            int(color.blue) * 255,
-        )
-    return _fg_color
+
+def fg_color(widget):
+    if widget is None:
+        style_context = Gtk.StyleContext()
+    else:
+        style_context = widget.get_style_context()
+    color = style_context.get_color(Gtk.StateFlags.NORMAL)
+    return "#%02x%02x%02x" % (
+        int(color.red) * 255,
+        int(color.green) * 255,
+        int(color.blue) * 255,
+    )
 
 
-def args_signature_markup(arg_signature):
+def args_signature_markup(arg_signature, widget):
     return '<small><span foreground="#2E8B57">%s</span></small>' % (arg_signature)
 
 
-def args_name_markup(arg_name):
-    return '<small><span foreground="%s">%s</span></small>' % (fg_color(), arg_name)
+def args_name_markup(arg_name, widget):
+    return '<small><span foreground="%s">%s</span></small>' % (
+        fg_color(widget),
+        arg_name)
 
 
 class DBusNode(GObject.GObject):
@@ -91,8 +90,7 @@ class DBusProperty(DBusInterface):
     def value(self, new_val):
         self.__value = new_val
 
-    @property
-    def markup_str(self):
+    def markup_str(self, widget):
         sig = dbus_utils.sig_to_string(self.property_info.signature)
         readwrite = list()
         if self.readable:
@@ -100,8 +98,9 @@ class DBusProperty(DBusInterface):
         if self.writable:
             readwrite.append("write")
         s = "%s %s <small>(%s)</small>" % (
-            args_signature_markup(sig),
-            args_name_markup(self.property_info.name), " / ".join(readwrite))
+            args_signature_markup(sig, widget),
+            args_name_markup(self.property_info.name, widget),
+            " / ".join(readwrite))
         if self.value is not None:
             s += " = %s" % (self.value,)
         return s
@@ -147,17 +146,18 @@ class DBusSignal(DBusInterface):
             args.append({'signature': sig, 'name': arg.name})
         return args
 
-    @property
-    def args_markup_str(self):
+    def args_markup_str(self, widget):
         result = ''
         result += '<span foreground="#FF00FF">(</span>'
-        result += ', '.join('%s' % (args_signature_markup(arg['signature'])) for arg in self.args)
+        result += ', '.join(
+            '%s' % (args_signature_markup(arg['signature'], widget))
+            for arg in self.args
+        )
         result += '<span foreground="#FF00FF">)</span>'
         return result
 
-    @property
-    def markup_str(self):
-        return "%s %s" % (self.signal_info.name, self.args_markup_str)
+    def markup_str(self, widget):
+        return "%s %s" % (self.signal_info.name, self.args_markup_str(widget))
 
 
 class DBusMethod(DBusInterface):
@@ -182,10 +182,12 @@ class DBusMethod(DBusInterface):
     def method_info(self):
         return self.__method_info
 
-    @property
-    def markup_str(self):
+    def markup_str(self, widget):
         return "%s %s <b>↦</b> %s" % (
-            self.method_info.name, self.in_args_markup_str, self.out_args_markup_str)
+            self.method_info.name,
+            self.in_args_markup_str(widget),
+            self.out_args_markup_str(widget),
+        )
 
     @property
     def in_args(self):
@@ -219,24 +221,23 @@ class DBusMethod(DBusInterface):
 
         return result[0:-2]
 
-    def __args_markup_str(self, args):
+    def __args_markup_str(self, args, widget):
         """markup a given list of args"""
         result = ''
         result += '<span foreground="#FF00FF">(</span>'
         result += ', '.join(
             '%s %s' % (
-                args_signature_markup(arg['signature']),
-                args_name_markup(arg['name'])) for arg in args)
+                args_signature_markup(arg['signature'], widget),
+                args_name_markup(arg['name'], widget)
+            ) for arg in args)
         result += '<span foreground="#FF00FF">)</span>'
         return result
 
-    @property
-    def in_args_markup_str(self):
-        return self.__args_markup_str(self.in_args)
+    def in_args_markup_str(self, widget):
+        return self.__args_markup_str(self.in_args, widget)
 
-    @property
-    def out_args_markup_str(self):
-        return self.__args_markup_str(self.out_args)
+    def out_args_markup_str(self, widget):
+        return self.__args_markup_str(self.out_args, widget)
 
 
 class DBusAnnotation(DBusInterface):
@@ -253,6 +254,5 @@ class DBusAnnotation(DBusInterface):
     def annotation_info(self):
         return self.__annotation_info
 
-    @property
-    def markup_str(self):
+    def markup_str(self, widget):
         return "%s: %s" % (self.annotation_info.key, self.annotation_info.value)
diff --git a/src/tests/tests.py.in b/src/tests/tests.py.in
index 152bef3..a46faaf 100755
--- a/src/tests/tests.py.in
+++ b/src/tests/tests.py.in
@@ -70,7 +70,7 @@ class IntrospectionHelperTest(unittest.TestCase):
         # get the markup string with value for struct prop (see bgo #702593)
         obj_prop = DBusProperty(obj_iface, obj_iface.iface_info.properties[2])
         obj_prop.value = ("string", 1, 2)
-        self.assertIn("'string', 1, 2", obj_prop.markup_str)
+        self.assertIn("'string', 1, 2", obj_prop.markup_str(None))
 
     def test_dbus_signal(self):
         """test DBusSignal class"""


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