mirror of
https://github.com/ByteWelder/Tactility.git
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89f1804184
- Implemented async keyboard API. Made it backwards compatible. - `KeyboardApi::read_key` and `keyboard_read_key()` automatically forward to subscribing pollers. - Implement `Device::probe` for device hot-plug support. - Implement probing for Tab5 keyboard - Updated coding style guide
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
#include "tab5_keyboard_lvgl_rotation.h"
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#include <tactility/device.h>
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#include <tactility/device_listener.h>
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#include <lvgl/lvgl.h>
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#include <lvgl.h>
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static lv_display_rotation_t saved_rotation = LV_DISPLAY_ROTATION_0;
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static bool rotation_override_active = false;
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static void apply_rotation(bool attached) {
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lvgl_lock();
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auto* display = lv_display_get_default();
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if (display == nullptr) {
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lvgl_unlock();
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return;
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}
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if (attached) {
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if (lv_display_get_rotation(display) != LV_DISPLAY_ROTATION_90) {
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saved_rotation = lv_display_get_rotation(display);
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rotation_override_active = true;
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lv_display_set_rotation(display, LV_DISPLAY_ROTATION_90);
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}
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} else if (rotation_override_active) {
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// Ownership of the rotation ends here regardless - only restore it if the display is
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// still at what we set it to (the user may have changed it manually while attached).
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if (lv_display_get_rotation(display) == LV_DISPLAY_ROTATION_90) {
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lv_display_set_rotation(display, saved_rotation);
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}
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rotation_override_active = false;
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}
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lvgl_unlock();
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}
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static void on_device_event(Device* device, DeviceEvent event, void*) {
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if (!device_is_compatible(device, "m5stack,tab5-keyboard")) {
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return;
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}
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if (event == DEVICE_EVENT_STARTED) {
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apply_rotation(true);
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} else if (event == DEVICE_EVENT_STOPPED) {
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apply_rotation(false);
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}
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}
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void tab5_keyboard_lvgl_rotation_start() {
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rotation_override_active = false;
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device_listener_add(on_device_event, nullptr);
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}
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void tab5_keyboard_lvgl_rotation_stop() {
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apply_rotation(false);
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device_listener_remove(on_device_event);
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}
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