[lvgl] Final stage (#7184)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/lvgl/widgets/page.py

@@ -0,0 +1,113 @@
+from esphome import automation, codegen as cg
+import esphome.config_validation as cv
+from esphome.const import CONF_ID, CONF_PAGES, CONF_TIME
+
+from ..defines import (
+    CONF_ANIMATION,
+    CONF_LVGL_ID,
+    CONF_PAGE,
+    CONF_PAGE_WRAP,
+    CONF_SKIP,
+    LV_ANIM,
+)
+from ..lv_validation import lv_bool, lv_milliseconds
+from ..lvcode import LVGL_COMP_ARG, LambdaContext, add_line_marks, lv_add, lvgl_comp
+from ..schemas import LVGL_SCHEMA
+from ..types import LvglAction, lv_page_t
+from . import Widget, WidgetType, add_widgets, set_obj_properties
+
+
+class PageType(WidgetType):
+    def __init__(self):
+        super().__init__(
+            CONF_PAGE,
+            lv_page_t,
+            (),
+            {
+                cv.Optional(CONF_SKIP, default=False): lv_bool,
+            },
+        )
+
+    async def to_code(self, w: Widget, config: dict):
+        return []
+
+
+SHOW_SCHEMA = LVGL_SCHEMA.extend(
+    {
+        cv.Optional(CONF_ANIMATION, default="NONE"): LV_ANIM.one_of,
+        cv.Optional(CONF_TIME, default="50ms"): lv_milliseconds,
+    }
+)
+
+
+page_spec = PageType()
+
+
+@automation.register_action(
+    "lvgl.page.next",
+    LvglAction,
+    SHOW_SCHEMA,
+)
+async def page_next_to_code(config, action_id, template_arg, args):
+    animation = await LV_ANIM.process(config[CONF_ANIMATION])
+    time = await lv_milliseconds.process(config[CONF_TIME])
+    async with LambdaContext(LVGL_COMP_ARG) as context:
+        add_line_marks(action_id)
+        lv_add(lvgl_comp.show_next_page(animation, time))
+    var = cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
+    await cg.register_parented(var, config[CONF_LVGL_ID])
+    return var
+
+
+@automation.register_action(
+    "lvgl.page.previous",
+    LvglAction,
+    SHOW_SCHEMA,
+)
+async def page_previous_to_code(config, action_id, template_arg, args):
+    animation = await LV_ANIM.process(config[CONF_ANIMATION])
+    time = await lv_milliseconds.process(config[CONF_TIME])
+    async with LambdaContext(LVGL_COMP_ARG) as context:
+        add_line_marks(action_id)
+        lv_add(lvgl_comp.show_prev_page(animation, time))
+    var = cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
+    await cg.register_parented(var, config[CONF_LVGL_ID])
+    return var
+
+
+@automation.register_action(
+    "lvgl.page.show",
+    LvglAction,
+    cv.maybe_simple_value(
+        SHOW_SCHEMA.extend(
+            {
+                cv.Required(CONF_ID): cv.use_id(lv_page_t),
+            }
+        ),
+        key=CONF_ID,
+    ),
+)
+async def page_show_to_code(config, action_id, template_arg, args):
+    widget = await cg.get_variable(config[CONF_ID])
+    animation = await LV_ANIM.process(config[CONF_ANIMATION])
+    time = await lv_milliseconds.process(config[CONF_TIME])
+    async with LambdaContext(LVGL_COMP_ARG) as context:
+        add_line_marks(action_id)
+        lv_add(lvgl_comp.show_page(widget.index, animation, time))
+    var = cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
+    await cg.register_parented(var, config[CONF_LVGL_ID])
+    return var
+
+
+async def add_pages(lv_component, config):
+    lv_add(lv_component.set_page_wrap(config[CONF_PAGE_WRAP]))
+    for pconf in config.get(CONF_PAGES, ()):
+        id = pconf[CONF_ID]
+        skip = pconf[CONF_SKIP]
+        var = cg.new_Pvariable(id, skip)
+        page = Widget.create(id, var, page_spec, pconf)
+        lv_add(lv_component.add_page(var))
+        # Set outer config first
+        await set_obj_properties(page, config)
+        await set_obj_properties(page, pconf)
+        await add_widgets(page, pconf)