InfiniTime/src/displayapp/screens/DropDownDemo.cpp

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#include "DropDownDemo.h"
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#include <lvgl/lvgl.h>
#include <libraries/log/nrf_log.h>
#include "../DisplayApp.h"
using namespace Pinetime::Applications::Screens;
DropDownDemo::DropDownDemo(Pinetime::Applications::DisplayApp* app) : Screen(app) {
// Create the dropdown object, with many item, and fix its height
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ddlist = lv_ddlist_create(lv_scr_act(), nullptr);
lv_ddlist_set_options(ddlist,
"Apple\n"
"Banana\n"
"Orange\n"
"Melon\n"
"Grape\n"
"Raspberry\n"
"A\n"
"B\n"
"C\n"
"D\n"
"E");
lv_ddlist_set_fix_width(ddlist, 150);
lv_ddlist_set_draw_arrow(ddlist, true);
lv_ddlist_set_fix_height(ddlist, 150);
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lv_obj_align(ddlist, nullptr, LV_ALIGN_IN_TOP_MID, 0, 20);
}
DropDownDemo::~DropDownDemo() {
// Reset the touchmode
app->SetTouchMode(DisplayApp::TouchModes::Gestures);
lv_obj_clean(lv_scr_act());
}
bool DropDownDemo::Refresh() {
auto* list = static_cast<lv_ddlist_ext_t*>(ddlist->ext_attr);
// Switch touchmode to Polling if the dropdown is opened. This will allow to scroll inside the
// dropdown while it is opened.
// Disable the polling mode when the dropdown is closed to be able to handle the gestures.
if (list->opened)
app->SetTouchMode(DisplayApp::TouchModes::Polling);
else
app->SetTouchMode(DisplayApp::TouchModes::Gestures);
return running;
}
bool DropDownDemo::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
// If the dropdown is opened, notify Display app that it doesn't need to handle the event
// (this will prevent displayApp from going back to the menu or clock scree).
auto* list = static_cast<lv_ddlist_ext_t*>(ddlist->ext_attr);
if (list->opened) {
return true;
} else {
return false;
}
}