init Files

libraries/lvgl/examples/widgets/calendar/index.rst

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+
+Calendar with header
+--------------------
+
+.. lv_example:: widgets/calendar/lv_example_calendar_1
+  :language: c
+
+Chinese calendar
+-------------------------------------
+
+.. lv_example:: widgets/calendar/lv_example_calendar_2
+  :language: c

libraries/lvgl/examples/widgets/calendar/lv_example_calendar_1.c

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+#include "../../lv_examples.h"
+#if LV_USE_CALENDAR && LV_BUILD_EXAMPLES
+
+static void event_handler(lv_event_t * e)
+{
+    lv_event_code_t code = lv_event_get_code(e);
+    lv_obj_t * obj = lv_event_get_current_target(e);
+
+    if(code == LV_EVENT_VALUE_CHANGED) {
+        lv_calendar_date_t date;
+        if(lv_calendar_get_pressed_date(obj, &date)) {
+            LV_LOG_USER("Clicked date: %02d.%02d.%d", date.day, date.month, date.year);
+        }
+    }
+}
+
+void lv_example_calendar_1(void)
+{
+    lv_obj_t  * calendar = lv_calendar_create(lv_screen_active());
+    lv_obj_set_size(calendar, 185, 230);
+    lv_obj_align(calendar, LV_ALIGN_CENTER, 0, 27);
+    lv_obj_add_event_cb(calendar, event_handler, LV_EVENT_ALL, NULL);
+
+    lv_calendar_set_today_date(calendar, 2021, 02, 23);
+    lv_calendar_set_showed_date(calendar, 2021, 02);
+
+    /*Highlight a few days*/
+    static lv_calendar_date_t highlighted_days[3];       /*Only its pointer will be saved so should be static*/
+    highlighted_days[0].year = 2021;
+    highlighted_days[0].month = 02;
+    highlighted_days[0].day = 6;
+
+    highlighted_days[1].year = 2021;
+    highlighted_days[1].month = 02;
+    highlighted_days[1].day = 11;
+
+    highlighted_days[2].year = 2022;
+    highlighted_days[2].month = 02;
+    highlighted_days[2].day = 22;
+
+    lv_calendar_set_highlighted_dates(calendar, highlighted_days, 3);
+
+#if LV_USE_CALENDAR_HEADER_DROPDOWN
+    lv_calendar_header_dropdown_create(calendar);
+#elif LV_USE_CALENDAR_HEADER_ARROW
+    lv_calendar_header_arrow_create(calendar);
+#endif
+}
+
+#endif

libraries/lvgl/examples/widgets/calendar/lv_example_calendar_2.c

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+#include "../../lv_examples.h"
+#if LV_USE_CALENDAR && LV_USE_CALENDAR_CHINESE && LV_BUILD_EXAMPLES
+
+void lv_example_calendar_2(void)
+{
+    lv_obj_t  * calendar = lv_calendar_create(lv_screen_active());
+    lv_obj_set_size(calendar, 300, 300);
+    lv_obj_align(calendar, LV_ALIGN_TOP_MID, 0, 0);
+
+    lv_calendar_set_today_date(calendar, 2024, 03, 22);
+    lv_calendar_set_showed_date(calendar, 2024, 03);
+
+#if LV_USE_CALENDAR_HEADER_DROPDOWN
+    lv_calendar_header_dropdown_create(calendar);
+#elif LV_USE_CALENDAR_HEADER_ARROW
+    lv_calendar_header_arrow_create(calendar);
+#endif
+
+    lv_calendar_set_chinese_mode(calendar, true);
+    lv_obj_set_style_text_font(calendar, &lv_font_simsun_14_cjk, LV_PART_MAIN);
+}
+
+#else
+
+void lv_example_calendar_2(void)
+{
+    lv_obj_t * label = lv_label_create(lv_screen_active());
+    lv_label_set_text(label, "chinese calendar is not enabled");
+    lv_obj_center(label);
+}
+
+#endif