games-arcade/gnome-nibbles: Fix for vala 0.50.4 regression

* https://gitlab.gnome.org/GNOME/vala/issues/1121

Package-Manager: Portage-3.0.18, Repoman-3.0.3
Signed-off-by: David Seifert <soap@gentoo.org>

3 files changed, 250 insertions, 0 deletions

diff --git a/games-arcade/gnome-nibbles/files/gnome-nibbles-3.38.2-vala-0.50.4-GtkChild-1.patch b/games-arcade/gnome-nibbles/files/gnome-nibbles-3.38.2-vala-0.50.4-GtkChild-1.patch
new file mode 100644
index 000000000000..c7a86316925e
--- /dev/null
+++ b/games-arcade/gnome-nibbles/files/gnome-nibbles-3.38.2-vala-0.50.4-GtkChild-1.patch
@@ -0,0 +1,66 @@
+From 1b48446068608aff9b5edf1fdbd4b8c0d9f0be94 Mon Sep 17 00:00:00 2001
+From: Rico Tzschichholz <ricotz@ubuntu.com>
+Date: Sat, 16 Jan 2021 13:56:10 +0100
+Subject: [PATCH] Don't alter or try to write [GtkChild] fields
+
+See https://gitlab.gnome.org/GNOME/vala/issues/1121
+---
+ src/controls.vala | 30 +++++++++++++++---------------
+ 1 file changed, 15 insertions(+), 15 deletions(-)
+
+diff --git a/src/controls.vala b/src/controls.vala
+index 4f07358..584c9ff 100644
+--- a/src/controls.vala
++++ b/src/controls.vala
+@@ -140,25 +140,25 @@ private class ControlsGrid : Button
+         arrow_left.set_from_pixbuf  (arrow.rotate_simple (Gdk.PixbufRotation.COUNTERCLOCKWISE));
+         arrow_right.set_from_pixbuf (arrow.rotate_simple (Gdk.PixbufRotation.CLOCKWISE));
+ 
+-           up_handler = worm_props.notify ["up"].connect    (() => configure_label (worm_props.up,    ref move_up_label));
+-         down_handler = worm_props.notify ["down"].connect  (() => configure_label (worm_props.down,  ref move_down_label));
+-         left_handler = worm_props.notify ["left"].connect  (() => configure_label (worm_props.left,  ref move_left_label));
+-        right_handler = worm_props.notify ["right"].connect (() => configure_label (worm_props.right, ref move_right_label));
+-
+-        configure_label (worm_props.up,    ref move_up_label);
+-        configure_label (worm_props.down,  ref move_down_label);
+-        configure_label (worm_props.left,  ref move_left_label);
+-        configure_label (worm_props.right, ref move_right_label);
++           up_handler = worm_props.notify ["up"].connect    (() => configure_label (worm_props.up,    move_up_label));
++         down_handler = worm_props.notify ["down"].connect  (() => configure_label (worm_props.down,  move_down_label));
++         left_handler = worm_props.notify ["left"].connect  (() => configure_label (worm_props.left,  move_left_label));
++        right_handler = worm_props.notify ["right"].connect (() => configure_label (worm_props.right, move_right_label));
++
++        configure_label (worm_props.up,    move_up_label);
++        configure_label (worm_props.down,  move_down_label);
++        configure_label (worm_props.left,  move_left_label);
++        configure_label (worm_props.right, move_right_label);
+     }
+ 
+     internal void mark_duplicated_keys (GenericSet<uint> duplicate_keys)
+     {
+-        set_duplicate_class (worm_props.up    in duplicate_keys, ref move_up_label);
+-        set_duplicate_class (worm_props.down  in duplicate_keys, ref move_down_label);
+-        set_duplicate_class (worm_props.left  in duplicate_keys, ref move_left_label);
+-        set_duplicate_class (worm_props.right in duplicate_keys, ref move_right_label);
++        set_duplicate_class (worm_props.up    in duplicate_keys, move_up_label);
++        set_duplicate_class (worm_props.down  in duplicate_keys, move_down_label);
++        set_duplicate_class (worm_props.left  in duplicate_keys, move_left_label);
++        set_duplicate_class (worm_props.right in duplicate_keys, move_right_label);
+     }
+-    private static void set_duplicate_class (bool new_value, ref Label label)
++    private static void set_duplicate_class (bool new_value, Label label)
+     {
+         if (new_value)
+             label.get_style_context ().add_class ("duplicate");
+@@ -175,7 +175,7 @@ private class ControlsGrid : Button
+         worm_props.disconnect (color_handler);
+     }
+ 
+-    private static void configure_label (uint key_value, ref Label label)
++    private static void configure_label (uint key_value, Label label)
+     {
+         string? key_name = Gdk.keyval_name (key_value);
+         if (key_name == "Up")
+-- 
+GitLab
+
diff --git a/games-arcade/gnome-nibbles/files/gnome-nibbles-3.38.2-vala-0.50.4-GtkChild-2.patch b/games-arcade/gnome-nibbles/files/gnome-nibbles-3.38.2-vala-0.50.4-GtkChild-2.patch
new file mode 100644
index 000000000000..48c565303196
--- /dev/null
+++ b/games-arcade/gnome-nibbles/files/gnome-nibbles-3.38.2-vala-0.50.4-GtkChild-2.patch
@@ -0,0 +1,178 @@
+From 62964e9256fcac616109af874dbb2bd8342a9853 Mon Sep 17 00:00:00 2001
+From: Rico Tzschichholz <ricotz@ubuntu.com>
+Date: Wed, 17 Mar 2021 11:25:05 +0100
+Subject: [PATCH] Reference of [GtkChild] fields is handled by GtkBuilder, type
+ must be unowned
+
+---
+ src/controls.vala           | 20 ++++++++++----------
+ src/nibbles-window.vala     | 26 +++++++++++++-------------
+ src/players.vala            |  6 +++---
+ src/preferences-dialog.vala | 30 +++++++++++++++---------------
+ src/scoreboard.vala         |  6 +++---
+ 5 files changed, 44 insertions(+), 44 deletions(-)
+
+diff --git a/src/controls.vala b/src/controls.vala
+index 584c9ff..f95d210 100644
+--- a/src/controls.vala
++++ b/src/controls.vala
+@@ -22,7 +22,7 @@ using Gtk;
+ [GtkTemplate (ui = "/org/gnome/Nibbles/ui/controls.ui")]
+ private class Controls : Box
+ {
+-    [GtkChild] private Box grids_box;
++    [GtkChild] private unowned Box grids_box;
+     private Gee.LinkedList<ControlsGrid> grids = new Gee.LinkedList<ControlsGrid> ();
+ 
+     private Gdk.Pixbuf arrow_pixbuf;
+@@ -100,15 +100,15 @@ private class Controls : Box
+ [GtkTemplate (ui = "/org/gnome/Nibbles/ui/controls-grid.ui")]
+ private class ControlsGrid : Button
+ {
+-    [GtkChild] private Label name_label;
+-    [GtkChild] private Image arrow_up;
+-    [GtkChild] private Image arrow_down;
+-    [GtkChild] private Image arrow_left;
+-    [GtkChild] private Image arrow_right;
+-    [GtkChild] private Label move_up_label;
+-    [GtkChild] private Label move_down_label;
+-    [GtkChild] private Label move_left_label;
+-    [GtkChild] private Label move_right_label;
++    [GtkChild] private unowned Label name_label;
++    [GtkChild] private unowned Image arrow_up;
++    [GtkChild] private unowned Image arrow_down;
++    [GtkChild] private unowned Image arrow_left;
++    [GtkChild] private unowned Image arrow_right;
++    [GtkChild] private unowned Label move_up_label;
++    [GtkChild] private unowned Label move_down_label;
++    [GtkChild] private unowned Label move_left_label;
++    [GtkChild] private unowned Label move_right_label;
+ 
+     internal WormProperties worm_props;
+     internal ulong external_handler;
+diff --git a/src/nibbles-window.vala b/src/nibbles-window.vala
+index 6961326..6bfb74a 100644
+--- a/src/nibbles-window.vala
++++ b/src/nibbles-window.vala
+@@ -40,30 +40,30 @@ private class NibblesWindow : ApplicationWindow
+     private int window_height;
+ 
+     /* Main widgets */
+-    [GtkChild] private Stack main_stack;
+-    [GtkChild] private Overlay overlay;
++    [GtkChild] private unowned Stack main_stack;
++    [GtkChild] private unowned Overlay overlay;
+ 
+     /* HeaderBar */
+-    [GtkChild] private HeaderBar headerbar;
+-    [GtkChild] private MenuButton hamburger_menu;
+-    [GtkChild] private Button new_game_button;
+-    [GtkChild] private Button pause_button;
++    [GtkChild] private unowned HeaderBar headerbar;
++    [GtkChild] private unowned MenuButton hamburger_menu;
++    [GtkChild] private unowned Button new_game_button;
++    [GtkChild] private unowned Button pause_button;
+ 
+     /* Pre-game screen widgets */
+-    [GtkChild] private Players players;
+-    [GtkChild] private Speed speed;
+-    [GtkChild] private Controls controls;
++    [GtkChild] private unowned Players players;
++    [GtkChild] private unowned Speed speed;
++    [GtkChild] private unowned Controls controls;
+ 
+     /* Statusbar widgets */
+-    [GtkChild] private Stack statusbar_stack;
+-    [GtkChild] private Label countdown;
+-    [GtkChild] private Scoreboard scoreboard;
++    [GtkChild] private unowned Stack statusbar_stack;
++    [GtkChild] private unowned Label countdown;
++    [GtkChild] private unowned Scoreboard scoreboard;
+     private Gdk.Pixbuf scoreboard_life;
+ 
+     /* Rendering of the game */
+     private NibblesView? view;
+ 
+-    [GtkChild] private Box game_box;
++    [GtkChild] private unowned Box game_box;
+     private Games.GridFrame frame;
+ 
+     /* Game being played */
+diff --git a/src/players.vala b/src/players.vala
+index 9198412..4bde18e 100644
+--- a/src/players.vala
++++ b/src/players.vala
+@@ -21,9 +21,9 @@ using Gtk;
+ [GtkTemplate (ui = "/org/gnome/Nibbles/ui/players.ui")]
+ private class Players : Box
+ {
+-    [GtkChild] private ToggleButton worms4;
+-    [GtkChild] private ToggleButton worms5;
+-    [GtkChild] private ToggleButton worms6;
++    [GtkChild] private unowned ToggleButton worms4;
++    [GtkChild] private unowned ToggleButton worms5;
++    [GtkChild] private unowned ToggleButton worms6;
+ 
+     private SimpleAction nibbles_number_action;
+     private SimpleAction players_number_action;
+diff --git a/src/preferences-dialog.vala b/src/preferences-dialog.vala
+index 216a1e2..2d3a7bf 100644
+--- a/src/preferences-dialog.vala
++++ b/src/preferences-dialog.vala
+@@ -24,21 +24,21 @@ private class PreferencesDialog : Window
+     private GLib.Settings settings;
+     private Gee.ArrayList<GLib.Settings> worm_settings;
+ 
+-    [GtkChild] private Stack            stack;
+-    [GtkChild] private Stack            headerbar_stack;
+-    [GtkChild] private ComboBoxText     worm_combobox;
+-    [GtkChild] private Gtk.ListStore    list_store_1;
+-    [GtkChild] private Gtk.ListStore    list_store_2;
+-    [GtkChild] private Gtk.ListStore    list_store_3;
+-    [GtkChild] private Gtk.ListStore    list_store_4;
+-    [GtkChild] private TreeView         tree_view_1;
+-    [GtkChild] private TreeView         tree_view_2;
+-    [GtkChild] private TreeView         tree_view_3;
+-    [GtkChild] private TreeView         tree_view_4;
+-    [GtkChild] private ComboBoxText     combo_box_1;
+-    [GtkChild] private ComboBoxText     combo_box_2;
+-    [GtkChild] private ComboBoxText     combo_box_3;
+-    [GtkChild] private ComboBoxText     combo_box_4;
++    [GtkChild] private unowned Stack            stack;
++    [GtkChild] private unowned Stack            headerbar_stack;
++    [GtkChild] private unowned ComboBoxText     worm_combobox;
++    [GtkChild] private unowned Gtk.ListStore    list_store_1;
++    [GtkChild] private unowned Gtk.ListStore    list_store_2;
++    [GtkChild] private unowned Gtk.ListStore    list_store_3;
++    [GtkChild] private unowned Gtk.ListStore    list_store_4;
++    [GtkChild] private unowned TreeView         tree_view_1;
++    [GtkChild] private unowned TreeView         tree_view_2;
++    [GtkChild] private unowned TreeView         tree_view_3;
++    [GtkChild] private unowned TreeView         tree_view_4;
++    [GtkChild] private unowned ComboBoxText     combo_box_1;
++    [GtkChild] private unowned ComboBoxText     combo_box_2;
++    [GtkChild] private unowned ComboBoxText     combo_box_3;
++    [GtkChild] private unowned ComboBoxText     combo_box_4;
+ 
+     private Gee.ArrayList<Gtk.ListStore>    list_stores;
+     private Gee.ArrayList<TreeView>         tree_views;
+diff --git a/src/scoreboard.vala b/src/scoreboard.vala
+index a41aee1..aebc1cc 100644
+--- a/src/scoreboard.vala
++++ b/src/scoreboard.vala
+@@ -59,9 +59,9 @@ private class Scoreboard : Box
+ [GtkTemplate (ui = "/org/gnome/Nibbles/ui/player-score-box.ui")]
+ private class PlayerScoreBox : Box
+ {
+-    [GtkChild] private Label name_label;
+-    [GtkChild] private Label score_label;
+-    [GtkChild] private Grid lives_grid;
++    [GtkChild] private unowned Label name_label;
++    [GtkChild] private unowned Label score_label;
++    [GtkChild] private unowned Grid lives_grid;
+ 
+     private Gee.LinkedList<Image> life_images = new Gee.LinkedList<Image> ();
+ 
+-- 
+GitLab
+
diff --git a/games-arcade/gnome-nibbles/gnome-nibbles-3.38.2.ebuild b/games-arcade/gnome-nibbles/gnome-nibbles-3.38.2.ebuild
index 3ede22959954..a9e6f5676b0a 100644
--- a/games-arcade/gnome-nibbles/gnome-nibbles-3.38.2.ebuild
+++ b/games-arcade/gnome-nibbles/gnome-nibbles-3.38.2.ebuild
@@ -32,6 +32,12 @@ BDEPEND="
 	media-libs/gsound[vala]
 "
 
+PATCHES=(
+	# backport for https://gitlab.gnome.org/GNOME/gnome-nibbles/-/issues/52
+	"${FILESDIR}"/${P}-vala-0.50.4-GtkChild-1.patch
+	"${FILESDIR}"/${P}-vala-0.50.4-GtkChild-2.patch
+)
+
 src_prepare() {
 	xdg_src_prepare
 	vala_src_prepare