InfiniTime/src/displayapp/screens/Brightness.cpp

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#include "Brightness.h"
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#include <lvgl/lvgl.h>
using namespace Pinetime::Applications::Screens;
void slider_event_cb(lv_obj_t * slider, lv_event_t event) {
if(event == LV_EVENT_VALUE_CHANGED) {
auto* brightnessSlider = static_cast<Brightness*>(slider->user_data);
brightnessSlider->OnValueChanged();
}
}
Brightness::Brightness(Pinetime::Applications::DisplayApp *app, Controllers::BrightnessController& brightness) : Screen(app), brightness{brightness} {
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slider = lv_slider_create(lv_scr_act(), nullptr);
lv_obj_set_user_data(slider, this);
lv_obj_set_width(slider, LV_DPI * 2);
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lv_obj_align(slider, nullptr, LV_ALIGN_CENTER, 0, 0);
lv_obj_set_event_cb(slider, slider_event_cb);
lv_slider_set_range(slider, 0, 2);
lv_slider_set_value(slider, LevelToInt(brightness.Level()), LV_ANIM_OFF);
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slider_label = lv_label_create(lv_scr_act(), nullptr);
lv_label_set_text(slider_label, LevelToString(brightness.Level()));
lv_obj_set_auto_realign(slider_label, true);
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lv_obj_align(slider_label, slider, LV_ALIGN_OUT_BOTTOM_MID, 0, 30);
}
Brightness::~Brightness() {
lv_obj_clean(lv_scr_act());
}
bool Brightness::Refresh() {
return running;
}
const char *Brightness::LevelToString(Pinetime::Controllers::BrightnessController::Levels level) {
switch(level) {
case Pinetime::Controllers::BrightnessController::Levels::Off: return "Off";
case Pinetime::Controllers::BrightnessController::Levels::Low: return "Low";
case Pinetime::Controllers::BrightnessController::Levels::Medium: return "Medium";
case Pinetime::Controllers::BrightnessController::Levels::High: return "High";
default : return "???";
}
}
void Brightness::OnValueChanged() {
SetValue(lv_slider_get_value(slider));
}
void Brightness::SetValue(uint8_t value) {
switch(value) {
case 0: brightness.Set(Controllers::BrightnessController::Levels::Low); break;
case 1: brightness.Set(Controllers::BrightnessController::Levels::Medium); break;
case 2: brightness.Set(Controllers::BrightnessController::Levels::High); break;
}
lv_label_set_text(slider_label, LevelToString(brightness.Level()));
}
uint8_t Brightness::LevelToInt(Pinetime::Controllers::BrightnessController::Levels level) {
switch(level) {
case Pinetime::Controllers::BrightnessController::Levels::Off: return 0;
case Pinetime::Controllers::BrightnessController::Levels::Low: return 0;
case Pinetime::Controllers::BrightnessController::Levels::Medium: return 1;
case Pinetime::Controllers::BrightnessController::Levels::High: return 2;
default : return 0;
}
}
bool Brightness::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
switch(event) {
case TouchEvents::SwipeLeft:
brightness.Lower();
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if ( brightness.Level() == Pinetime::Controllers::BrightnessController::Levels::Off) {
brightness.Set(Controllers::BrightnessController::Levels::Low);
}
SetValue();
return true;
case TouchEvents::SwipeRight:
brightness.Higher();
SetValue();
return true;
default:
return false;
}
}
void Brightness::SetValue() {
lv_slider_set_value(slider, LevelToInt(brightness.Level()), LV_ANIM_OFF);
lv_label_set_text(slider_label, LevelToString(brightness.Level()));
}