Import of the watch repository from Pebble

src/fw/console/ui_nudge.c

@@ -0,0 +1,123 @@
+/*
+ * 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.
+ */
+
+#ifdef UI_DEBUG
+#include "ui_nudge.h"
+
+#include "console_internal.h"
+#include "dbgserial.h"
+
+#include "applib/ui/layer.h"
+#include "applib/ui/ui_debug.h"
+#include "applib/ui/app_window_stack.h"
+#include "applib/ui/window_stack_private.h"
+
+#include "kernel/events.h"
+
+#include "services/common/compositor/compositor.h"
+#include "util/string.h"
+
+static Layer *s_nudge_layer = NULL;
+
+static void prv_flush_kernel_main_cb(void *unused) {
+  // FIXME compositor_flush();
+}
+
+void layer_debug_nudging_handle_character(char c, bool *should_context_switch) {
+  GRect frame = s_nudge_layer->frame;
+  GRect bounds = s_nudge_layer->bounds;
+  switch (c) {
+    case 0x3: // CTRL - C
+      s_nudge_layer = NULL;
+      // Back to log mode:
+      serial_console_set_state(SERIAL_CONSOLE_STATE_LOGGING);
+      // Dump window:
+      command_dump_window();
+      return;
+
+    case 'A':
+    case 'a':
+      --frame.origin.x;
+      break;
+
+    case 'D':
+    case 'd':
+      ++frame.origin.x;
+      break;
+
+    case 'W':
+    case 'w':
+      ++frame.origin.y;
+      break;
+
+    case 'S':
+    case 's':
+      --frame.origin.y;
+      break;
+
+    case '[':
+      --frame.size.w;
+      bounds.size = frame.size;
+      break;
+
+    case ']':
+      ++frame.size.w;
+      bounds.size = frame.size;
+      break;
+
+    case '{':
+      --frame.size.h;
+      bounds.size = frame.size;
+      break;
+
+    case '}':
+      ++frame.size.h;
+      bounds.size = frame.size;
+      break;
+
+    default:
+      break;
+  }
+  layer_set_frame(s_nudge_layer, &frame);
+  layer_set_bounds(s_nudge_layer, &bounds);
+
+  PebbleEvent event = {
+    .type = PEBBLE_CALLBACK_EVENT,
+    .callback = {
+      .callback = prv_flush_kernel_main_cb,
+      .data = NULL,
+    },
+  };
+  *should_context_switch = event_put_isr(&event);
+}
+
+void command_layer_nudge(const char *address_str) {
+  intptr_t address = str_to_address(address_str);
+  if (address == -1) {
+    return;
+  }
+  // Simple sanity check:
+  if (((Layer *)address)->window != app_window_stack_get_top_window()) {
+    dbgserial_putstr("Specify valid Layer address!");
+    return;
+  }
+  s_nudge_layer = (Layer *)address;
+
+  dbgserial_putstr("Layer nudging mode, CTRL-C to stop");
+  dbgserial_putstr("Keys:\nWASD: Move frame.origin\n[]: Change frame.size.w & bounds.size.w\n{}: Change frame.size.h & bounds.size.h");
+  serial_console_set_state(SERIAL_CONSOLE_STATE_LAYER_NUDGING);
+}
+#endif /* UI_DEBUG */