ref: 0.12.0
src/displayapp/screens/DropDownDemo.cpp
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#include "DropDownDemo.h" #include <lvgl/lvgl.h> #include <libraries/log/nrf_log.h> #include "../DisplayApp.h" using namespace Pinetime::Applications::Screens; extern lv_font_t jetbrains_mono_extrabold_compressed; extern lv_font_t jetbrains_mono_bold_20; DropDownDemo::DropDownDemo(Pinetime::Applications::DisplayApp *app) : Screen(app) { // Create the dropdown object, with many item, and fix its height 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); 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::OnButtonPushed() { running = false; return true; } 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; } } |