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Code Issues Releases Wiki Activity

[lvgl] Rework events to avoid feedback loops (#7262)

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This commit is contained in:
Clyde Stubbs
2024-08-14 12:05:25 +10:00
committed by GitHub
parent a5fdcb31fc
commit a0eff08f39
14 changed files with 108 additions and 29 deletions
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15
esphome/components/lvgl/lvgl_esphome.cpp
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@@ -27,7 +27,8 @@ static void rounder_cb(lv_disp_drv_t *disp_drv, lv_area_t *area) {
area->y2++;
}
lv_event_code_t lv_custom_event; // NOLINT
lv_event_code_t lv_api_event; // NOLINT
lv_event_code_t lv_update_event; // NOLINT
void LvglComponent::dump_config() { ESP_LOGCONFIG(TAG, "LVGL:"); }
void LvglComponent::set_paused(bool paused, bool show_snow) {
this->paused_ = paused;
@@ -40,15 +41,18 @@ void LvglComponent::set_paused(bool paused, bool show_snow) {
}
void LvglComponent::add_event_cb(lv_obj_t *obj, event_callback_t callback, lv_event_code_t event) {
lv_obj_add_event_cb(obj, callback, event, this);
if (event == LV_EVENT_VALUE_CHANGED) {
lv_obj_add_event_cb(obj, callback, lv_custom_event, this);
}
}
void LvglComponent::add_event_cb(lv_obj_t *obj, event_callback_t callback, lv_event_code_t event1,
lv_event_code_t event2) {
this->add_event_cb(obj, callback, event1);
this->add_event_cb(obj, callback, event2);
}
void LvglComponent::add_event_cb(lv_obj_t *obj, event_callback_t callback, lv_event_code_t event1,
lv_event_code_t event2, lv_event_code_t event3) {
this->add_event_cb(obj, callback, event1);
this->add_event_cb(obj, callback, event2);
this->add_event_cb(obj, callback, event3);
}
void LvglComponent::add_page(LvPageType *page) {
this->pages_.push_back(page);
page->setup(this->pages_.size() - 1);
@@ -228,7 +232,8 @@ void LvglComponent::setup() {
lv_log_register_print_cb(log_cb);
#endif
lv_init();
lv_custom_event = static_cast<lv_event_code_t>(lv_event_register_id());
lv_update_event = static_cast<lv_event_code_t>(lv_event_register_id());
lv_api_event = static_cast<lv_event_code_t>(lv_event_register_id());
auto *display = this->displays_[0];
size_t buffer_pixels = display->get_width() * display->get_height() / this->buffer_frac_;
auto buf_bytes = buffer_pixels * LV_COLOR_DEPTH / 8;