[pitivi] greeter: Update logo

[Alexandru Băluț <alexbalut src gnome org>]

commit 2b2437254d29205b8185bd19d59205a274abff5f
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Mon Sep 30 23:50:32 2019 +0200

    greeter: Update logo

 data/pixmaps/pitivi.png      | Bin 47256 -> 0 bytes
 data/ui/greeter.ui           |   6 ++----
 pitivi/greeterperspective.py |   5 +++++
 3 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/data/ui/greeter.ui b/data/ui/greeter.ui
index 51e5b77d..48980980 100644
--- a/data/ui/greeter.ui
+++ b/data/ui/greeter.ui
@@ -211,11 +211,9 @@
     <property name="vexpand">True</property>
     <property name="orientation">vertical</property>
     <child>
-      <object class="GtkImage">
-        <property name="visible">True</property>
+      <object class="GtkImage" id="logo">
+       <property name="visible">True</property>
         <property name="can_focus">False</property>
-        <property name="icon_name">pitivi</property>
-        <property name="icon_size">0</property>
       </object>
       <packing>
         <property name="expand">False</property>
diff --git a/pitivi/greeterperspective.py b/pitivi/greeterperspective.py
index 44231b2d..cff5ee20 100644
--- a/pitivi/greeterperspective.py
+++ b/pitivi/greeterperspective.py
@@ -120,6 +120,11 @@ class GreeterPerspective(Perspective):
         builder = Gtk.Builder()
         builder.add_from_file(os.path.join(get_ui_dir(), "greeter.ui"))
 
+        logo = builder.get_object("logo")
+        icon_theme = Gtk.IconTheme.get_default()
+        pixbuf = icon_theme.load_icon("org.pitivi.Pitivi", 256, Gtk.IconLookupFlags.FORCE_SIZE)
+        logo.set_from_pixbuf(pixbuf)
+
         self.toplevel_widget = builder.get_object("toplevel_vbox")
         self.toplevel_widget.drag_dest_set(
             Gtk.DestDefaults.ALL, [URI_TARGET_ENTRY], Gdk.DragAction.COPY)