[gnome-tweaks] Port to libhandy-1

[Evan Welsh <ewlsh src gnome org>]

commit 403b0cd8511268689e437ed5fe4bac7511745cfc
Author: Xℹ Ruoyao <xry111 mengyan1223 wang>
Date:   Thu Oct 8 15:53:35 2020 +0800

    Port to libhandy-1

 README.md           |  2 +-
 gnome-tweaks        |  2 +-
 gtweak/tweakview.py | 14 ++++++--------
 3 files changed, 8 insertions(+), 10 deletions(-)
---
diff --git a/README.md b/README.md
index daa1cc70..8f6a143d 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ RUNTIME DEPENDENCIES
   - GLib (>= 2.58)
   - GTK+ 3 (>= 3.12)
   - gnome-desktop (>= 3.30)
-  - libhandy
+  - libhandy (>= 1.0)
   - libsoup
   - libnotify
   - Pango
diff --git a/gnome-tweaks b/gnome-tweaks
index d4a6455b..a244a85a 100755
--- a/gnome-tweaks
+++ b/gnome-tweaks
@@ -12,7 +12,7 @@ import sys
 
 import gi
 gi.require_version("Gtk", "3.0")
-gi.require_version("Handy", "0.0")
+gi.require_version("Handy", "1")
 
 import gtweak
 from gtweak.defs import VERSION
diff --git a/gtweak/tweakview.py b/gtweak/tweakview.py
index 5de11d6b..a02e52d3 100644
--- a/gtweak/tweakview.py
+++ b/gtweak/tweakview.py
@@ -23,8 +23,7 @@ class Window(Gtk.ApplicationWindow):
         self.hsize_group = Gtk.SizeGroup(mode=Gtk.SizeGroupMode.HORIZONTAL)
 
         self.main_box = Handy.Leaflet()
-        self.main_box.set_mode_transition_type(Handy.LeafletModeTransitionType.SLIDE)
-        self.main_box.set_child_transition_type(Handy.LeafletChildTransitionType.SLIDE)
+        self.main_box.set_transition_type(Handy.LeafletTransitionType.SLIDE)
 
         left_box = self.sidebar()
         right_box = self.main_content()
@@ -68,14 +67,13 @@ class Window(Gtk.ApplicationWindow):
     def titlebar(self):
 
         header = Handy.Leaflet()
-        header.set_mode_transition_type(Handy.LeafletModeTransitionType.SLIDE)
-        header.set_child_transition_type(Handy.LeafletChildTransitionType.SLIDE)
+        header.set_transition_type(Handy.LeafletTransitionType.SLIDE)
         header.connect("notify::visible-child", self._update_decorations)
         header.connect("notify::fold", self._update_decorations)
 
-        left_header = Gtk.HeaderBar()
+        left_header = Handy.HeaderBar()
         left_header.props.show_close_button = True
-        right_header = Gtk.HeaderBar()
+        right_header = Handy.HeaderBar()
         right_header.props.show_close_button = True
         right_header.props.hexpand = True
 
@@ -226,9 +224,9 @@ class Window(Gtk.ApplicationWindow):
     def _update_decorations(self, *_):
         header = self.get_titlebar()
         if header.props.folded:
-            self.header_group.set_focus(header.get_visible_child())
+            self.header_group.set_decorate_all(True)
         else:
-            self.header_group.set_focus(None)
+            self.header_group.set_decorate_all(False)
 
     def _after_key_press(self, widget, event):
         if not self.button.get_active() or not self.entry.is_focus():