API review (esp-idf): Replace the use of std::optional<esp_lcd_touch_handle_t> with esp_lcd_touch_handle_t directly

esp_lcd_touch_handle_t is a pointer, so might as well treat it like one.

Also default initialize the panel pointer.
This commit is contained in:
Simon Hausmann 2024-07-08 12:30:44 +02:00 committed by Simon Hausmann
parent df81e28562
commit 4c432c261d
2 changed files with 8 additions and 8 deletions

View file

@ -38,9 +38,9 @@ struct SlintPlatformConfiguration
slint::PhysicalSize size; slint::PhysicalSize size;
/// The handle to the display as previously initialized by `bsp_display_new` or /// The handle to the display as previously initialized by `bsp_display_new` or
/// `esp_lcd_panel_init`. /// `esp_lcd_panel_init`.
esp_lcd_panel_handle_t panel; esp_lcd_panel_handle_t panel = nullptr;
/// The touch screen handle, if the device is equipped with a touch screen. /// The touch screen handle, if the device is equipped with a touch screen.
std::optional<esp_lcd_touch_handle_t> touch; esp_lcd_touch_handle_t touch = nullptr;
/// The buffer Slint will render into. It must have have the size of at least one frame. Slint /// The buffer Slint will render into. It must have have the size of at least one frame. Slint
/// calls esp_lcd_panel_draw_bitmap to flush the buffer to the screen. /// calls esp_lcd_panel_draw_bitmap to flush the buffer to the screen.
std::optional<std::span<slint::platform::Rgb565Pixel>> buffer1 = {}; std::optional<std::span<slint::platform::Rgb565Pixel>> buffer1 = {};

View file

@ -48,7 +48,7 @@ struct EspPlatform : public slint::platform::Platform
private: private:
slint::PhysicalSize size; slint::PhysicalSize size;
esp_lcd_panel_handle_t panel_handle; esp_lcd_panel_handle_t panel_handle;
std::optional<esp_lcd_touch_handle_t> touch_handle; esp_lcd_touch_handle_t touch_handle;
std::optional<std::span<slint::platform::Rgb565Pixel>> buffer1; std::optional<std::span<slint::platform::Rgb565Pixel>> buffer1;
std::optional<std::span<slint::platform::Rgb565Pixel>> buffer2; std::optional<std::span<slint::platform::Rgb565Pixel>> buffer2;
bool color_swap_16; bool color_swap_16;
@ -127,7 +127,7 @@ void EspPlatform::run_event_loop()
if (touch_handle) { if (touch_handle) {
if (esp_lcd_touch_register_interrupt_callback( if (esp_lcd_touch_register_interrupt_callback(
*touch_handle, [](auto) { vTaskNotifyGiveFromISR(task, nullptr); }) touch_handle, [](auto) { vTaskNotifyGiveFromISR(task, nullptr); })
!= ESP_OK) { != ESP_OK) {
// No touch interrupt assigned or supported? Fall back to polling like esp_lvgl_port. // No touch interrupt assigned or supported? Fall back to polling like esp_lvgl_port.
@ -179,11 +179,11 @@ void EspPlatform::run_event_loop()
uint8_t touchpad_cnt = 0; uint8_t touchpad_cnt = 0;
/* Read touch controller data */ /* Read touch controller data */
esp_lcd_touch_read_data(*touch_handle); esp_lcd_touch_read_data(touch_handle);
/* Get coordinates */ /* Get coordinates */
bool touchpad_pressed = esp_lcd_touch_get_coordinates( bool touchpad_pressed = esp_lcd_touch_get_coordinates(
*touch_handle, touchpad_x, touchpad_y, NULL, &touchpad_cnt, 1); touch_handle, touchpad_x, touchpad_y, NULL, &touchpad_cnt, 1);
if (touchpad_pressed && touchpad_cnt > 0) { if (touchpad_pressed && touchpad_cnt > 0) {
// ESP_LOGI(TAG, "x: %i, y: %i", touchpad_x[0], touchpad_y[0]); // ESP_LOGI(TAG, "x: %i, y: %i", touchpad_x[0], touchpad_y[0]);
@ -328,7 +328,7 @@ void slint_esp_init(slint::PhysicalSize size, esp_lcd_panel_handle_t panel,
SlintPlatformConfiguration config { SlintPlatformConfiguration config {
.size = size, .size = size,
.panel = panel, .panel = panel,
.touch = touch, .touch = touch ? *touch : nullptr,
.buffer1 = buffer1, .buffer1 = buffer1,
.buffer2 = buffer2, .buffer2 = buffer2,
// For compatibility with earlier versions of Slint, we compute the value of // For compatibility with earlier versions of Slint, we compute the value of
@ -345,7 +345,7 @@ void slint_esp_init(slint::PhysicalSize size, esp_lcd_panel_handle_t panel,
{ {
SlintPlatformConfiguration config { .size = size, SlintPlatformConfiguration config { .size = size,
.panel = panel, .panel = panel,
.touch = touch, .touch = touch ? *touch : nullptr,
.buffer1 = std::nullopt, .buffer1 = std::nullopt,
.buffer2 = std::nullopt, .buffer2 = std::nullopt,
.rotation = rotation, .rotation = rotation,