[copy] Use an Apply button for the copy button

esphome/components/copy/button/__init__.py

@@ -1,29 +1,23 @@
-import esphome.codegen as cg
 from esphome.components import button
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_DEVICE_CLASS,
     CONF_ENTITY_CATEGORY,
     CONF_ICON,
-    CONF_ID,
+    CONF_SETUP_PRIORITY,
     CONF_SOURCE_ID,
 )
 from esphome.core.entity_helpers import inherit_property_from
 from esphome.types import ConfigType
 
-from .. import copy_ns
-
-CopyButton = copy_ns.class_("CopyButton", button.Button, cg.Component)
-
-
-CONFIG_SCHEMA = (
-    button.button_schema(CopyButton)
-    .extend(
+CONFIG_SCHEMA = cv.All(
+    # The copy button is no longer a Component
+    cv.ignored_key(CONF_SETUP_PRIORITY, removed_in="2027.5.0", component="copy"),
+    button.button_schema(button.ApplyButton).extend(
         {
             cv.Required(CONF_SOURCE_ID): cv.use_id(button.Button),
         }
-    )
-    .extend(cv.COMPONENT_SCHEMA)
+    ),
 )
 
 FINAL_VALIDATE_SCHEMA = cv.All(
@@ -34,8 +28,6 @@ FINAL_VALIDATE_SCHEMA = cv.All(
 
 
 async def to_code(config: ConfigType) -> None:
-    var = cg.new_Pvariable(config[CONF_ID])
-    await button.register_button(var, config)
-    await cg.register_component(var, config)
-
-    await cg.add_variable(var.set_source, config[CONF_SOURCE_ID])
+    await button.sub_buttons(config, parent=config[CONF_SOURCE_ID]).create(
+        config, None, apply="press()"
+    )

esphome/components/copy/button/copy_button.cpp

@@ -1,12 +0,0 @@
-#include "copy_button.h"
-#include "esphome/core/log.h"
-
-namespace esphome::copy {
-
-ESPHOME_LOG_TAG(TAG, "copy.button");
-
-void CopyButton::dump_config() { LOG_BUTTON("", "Copy Button", this); }
-
-void CopyButton::press_action() { source_->press(); }
-
-}  // namespace esphome::copy

esphome/components/copy/button/copy_button.h

@@ -1,19 +0,0 @@
-#pragma once
-
-#include "esphome/core/component.h"
-#include "esphome/components/button/button.h"
-
-namespace esphome::copy {
-
-class CopyButton final : public button::Button, public Component {
- public:
-  void set_source(button::Button *source) { source_ = source; }
-  void dump_config() override;
-
- protected:
-  void press_action() override;
-
-  button::Button *source_;
-};
-
-}  // namespace esphome::copy

tests/components/copy/common.yaml

@@ -24,3 +24,11 @@ select:
   - platform: copy
     source_id: test_select
     name: Test Select Copy
+
+button:
+  - platform: template
+    id: copy_source_button
+    name: Source Button
+  - platform: copy
+    source_id: copy_source_button
+    name: Button Copy