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