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esp-idf: Adjust touch coordinates to scale factor

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Taken from https://github.com/slint-ui/slint/pull/5016/files

Co-authored-by: Olivier Goffart <olivier.goffart@slint.dev>
This commit is contained in:
Simon Hausmann 2024-08-02 17:13:27 +02:00 • committed by Simon Hausmann
parent 4a3a86a0b0
commit 360f192b91
1 changed files with 8 additions and 8 deletions
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16
api/cpp/esp-idf/slint/src/slint-esp.cpp
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@ -145,8 +145,8 @@ void EspPlatform::run_event_loop()
}
#endif
int last_touch_x = 0;
int last_touch_y = 0;
float last_touch_x = 0;
float last_touch_y = 0;
bool touch_down = false;
while (true) {
@ -186,21 +186,21 @@ void EspPlatform::run_event_loop()
touch_handle, touchpad_x, touchpad_y, NULL, &touchpad_cnt, 1);
if (touchpad_pressed && touchpad_cnt > 0) {
auto scale_factor = m_window->window().scale_factor();
// ESP_LOGI(TAG, "x: %i, y: %i", touchpad_x[0], touchpad_y[0]);
last_touch_x = touchpad_x[0];
last_touch_y = touchpad_y[0];
last_touch_x = float(touchpad_x[0]) / scale_factor;
last_touch_y = float(touchpad_y[0]) / scale_factor;
m_window->window().dispatch_pointer_move_event(
slint::LogicalPosition({ float(last_touch_x), float(last_touch_y) }));
slint::LogicalPosition({ last_touch_x, last_touch_y }));
if (!touch_down) {
m_window->window().dispatch_pointer_press_event(
slint::LogicalPosition(
{ float(last_touch_x), float(last_touch_y) }),
slint::LogicalPosition({ last_touch_x, last_touch_y }),
slint::PointerEventButton::Left);
}
touch_down = true;
} else if (touch_down) {
m_window->window().dispatch_pointer_release_event(
slint::LogicalPosition({ float(last_touch_x), float(last_touch_y) }),
slint::LogicalPosition({ last_touch_x, last_touch_y }),
slint::PointerEventButton::Left);
m_window->window().dispatch_pointer_exit_event();
touch_down = false;