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Code Issues Releases Wiki Activity

don't crash on null pages (#8254)

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Co-authored-by: Samuel Sieb <samuel@sieb.net>
This commit is contained in:
Samuel Sieb 2025-02-15 23:02:51 -08:00 committed by Jesse Hills
parent 6e45a7c9af
commit a67b85eabf
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1 changed files with 14 additions and 2 deletions
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16
esphome/components/display/display.cpp
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@ -815,8 +815,20 @@ void Display::test_card() {
DisplayPage::DisplayPage(display_writer_t writer) : writer_(std::move(writer)) {}
void DisplayPage::show() { this->parent_->show_page(this); }
void DisplayPage::show_next() { this->next_->show(); }
void DisplayPage::show_prev() { this->prev_->show(); }
void DisplayPage::show_next() {
if (this->next_ == nullptr) {
ESP_LOGE(TAG, "no next page");
return;
}
this->next_->show();
}
void DisplayPage::show_prev() {
if (this->prev_ == nullptr) {
ESP_LOGE(TAG, "no previous page");
return;
}
this->prev_->show();
}
void DisplayPage::set_parent(Display *parent) { this->parent_ = parent; }
void DisplayPage::set_prev(DisplayPage *prev) { this->prev_ = prev; }
void DisplayPage::set_next(DisplayPage *next) { this->next_ = next; }