game-details: Add edit cancelling

cartridges/ui/game-details.blp

@@ -6,9 +6,14 @@ template $GameDetails: Adw.NavigationPage {
   name: "details";
   tag: "details";
   title: bind $_or(template.game as <$Game>.name, _("Add Game")) as <string>;
-  hidden => $_exit();
+  hidden => $_cancel();
 
   ShortcutController {
+    Shortcut {
+      trigger: "Escape";
+      action: "action(details.cancel)";
+    }
+
     Shortcut {
       trigger: "Delete|KP_Delete";
       action: "action(details.remove)";
@@ -302,15 +307,32 @@ template $GameDetails: Adw.NavigationPage {
                     }
                   }
 
-                  Button {
+                  Adw.WrapBox {
-                    action-name: "details.apply";
-                    label: bind $_if_else(template.game as <$Game>.added, _("Apply"), _("Add")) as <string>;
                     halign: center;
+                    wrap-reverse: true;
+                    justify: fill;
+                    justify-last-line: true;
+                    child-spacing: 12;
+                    line-spacing: 12;
 
-                    styles [
+                    Button cancel_button {
-                      "pill",
+                      action-name: "details.cancel";
-                      "suggested-action",
+                      label: _("Cancel");
-                    ]
+
+                      styles [
+                        "pill",
+                      ]
+                    }
+
+                    Button apply_button {
+                      action-name: "details.apply";
+                      label: bind $_if_else(template.game as <$Game>.added, _("Apply"), _("Add")) as <string>;
+
+                      styles [
+                        "pill",
+                        "suggested-action",
+                      ]
+                    }
                   }
                 };
               }
@@ -321,3 +343,10 @@ template $GameDetails: Adw.NavigationPage {
     };
   };
 }
+
+SizeGroup {
+  widgets [
+    cancel_button,
+    apply_button,
+  ]
+}

cartridges/ui/game_details.py

@@ -55,6 +55,7 @@ class GameDetails(Adw.NavigationPage):
         self.insert_action_group("details", group := Gio.SimpleActionGroup())
         group.add_action_entries((
             ("edit", lambda *_: self.edit()),
+            ("cancel", lambda *_: self._cancel()),
             ("remove", lambda *_: self._remove()),
             (
                 "search-on",
@@ -104,16 +105,19 @@ class GameDetails(Adw.NavigationPage):
             self.game.added = int(time.time())
             games.model.append(self.game)
 
-        self._exit()
-
-    @Gtk.Template.Callback()
-    def _exit(self, *_args):
         self.stack.props.visible_child_name = "details"
 
     @Gtk.Template.Callback()
     def _activate_apply(self, _entry):
         self.activate_action("details.apply")
 
+    @Gtk.Template.Callback()
+    def _cancel(self, *_args):
+        if self.stack.props.visible_child_name == "details" or not self.game.added:
+            self.activate_action("navigation.pop")
+
+        self.stack.props.visible_child_name = "details"
+
     def _remove(self):
         self.game.removed = True
         self.activate_action("navigation.pop")