Import of the watch repository from Pebble

src/fw/applib/ui/app_window_click_glue.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "app_window_click_glue.h"
+
+#include "process_state/app_state/app_state.h"
+#include "applib/ui/click_internal.h"
+#include "applib/ui/window.h"
+#include "applib/ui/window_stack_private.h"
+#include "system/passert.h"
+#include "util/size.h"
+
+////////////////////////////////////////////////
+// App + Click Recognizer + Window : Glue code
+//
+// [MT] This is a bit ugly, because I decided to to save memory and have all windows in an app share an array of
+// click recognizers (which lives in AppContext) instead of each window having its own.
+// See the comment near AppContext.click_recognizer.
+
+void app_click_config_setup_with_window(ClickManager *click_manager, struct Window *window) {
+  void *context = window->click_config_context;
+  if (!context) {
+    // Default context is the window.
+    context = window;
+  }
+
+  click_manager_clear(click_manager);
+
+  for (unsigned int button_id = 0; button_id < NUM_BUTTONS; ++button_id) {
+    // For convenience, assign the context:
+    click_manager->recognizers[button_id].config.context = context;
+  }
+
+  if (window->click_config_provider) {
+    window_call_click_config_provider(window, context);
+  }
+}
+