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lvgl_v8_back/lvgl/examples/widgets/spinbox/index.rst

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+
+Simple Spinbox
+"""""""""""""""""""""""
+
+.. lv_example:: widgets/spinbox/lv_example_spinbox_1
+  :language: c
+

lvgl_v8_back/lvgl/examples/widgets/spinbox/lv_example_spinbox_1.c

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+#include "../../lv_examples.h"
+#if LV_USE_SPINBOX && LV_BUILD_EXAMPLES
+
+static lv_obj_t * spinbox;
+
+
+static void lv_spinbox_increment_event_cb(lv_event_t * e)
+{
+    lv_event_code_t code = lv_event_get_code(e);
+    if(code == LV_EVENT_SHORT_CLICKED || code  == LV_EVENT_LONG_PRESSED_REPEAT) {
+        lv_spinbox_increment(spinbox);
+    }
+}
+
+static void lv_spinbox_decrement_event_cb(lv_event_t * e)
+{
+    lv_event_code_t code = lv_event_get_code(e);
+    if(code == LV_EVENT_SHORT_CLICKED || code == LV_EVENT_LONG_PRESSED_REPEAT) {
+        lv_spinbox_decrement(spinbox);
+    }
+}
+
+
+void lv_example_spinbox_1(void)
+{
+    spinbox = lv_spinbox_create(lv_scr_act());
+    lv_spinbox_set_range(spinbox, -1000, 25000);
+    lv_spinbox_set_digit_format(spinbox, 5, 2);
+    lv_spinbox_step_prev(spinbox);
+    lv_obj_set_width(spinbox, 100);
+    lv_obj_center(spinbox);
+
+    lv_coord_t h = lv_obj_get_height(spinbox);
+
+    lv_obj_t * btn = lv_btn_create(lv_scr_act());
+    lv_obj_set_size(btn, h, h);
+    lv_obj_align_to(btn, spinbox, LV_ALIGN_OUT_RIGHT_MID, 5, 0);
+    lv_obj_set_style_bg_img_src(btn, LV_SYMBOL_PLUS, 0);
+    lv_obj_add_event_cb(btn, lv_spinbox_increment_event_cb, LV_EVENT_ALL,  NULL);
+
+    btn = lv_btn_create(lv_scr_act());
+    lv_obj_set_size(btn, h, h);
+    lv_obj_align_to(btn, spinbox, LV_ALIGN_OUT_LEFT_MID, -5, 0);
+    lv_obj_set_style_bg_img_src(btn, LV_SYMBOL_MINUS, 0);
+    lv_obj_add_event_cb(btn, lv_spinbox_decrement_event_cb, LV_EVENT_ALL, NULL);
+}
+
+#endif

lvgl_v8_back/lvgl/examples/widgets/spinbox/lv_example_spinbox_1.py

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+def increment_event_cb(e):
+    code = e.get_code()
+    if code == lv.EVENT.SHORT_CLICKED or code  == lv.EVENT.LONG_PRESSED_REPEAT:
+        spinbox.increment()
+
+def decrement_event_cb(e):
+    code = e.get_code()
+    if code == lv.EVENT.SHORT_CLICKED or code == lv.EVENT.LONG_PRESSED_REPEAT:
+        spinbox.decrement()
+
+spinbox = lv.spinbox(lv.scr_act())
+spinbox.set_range(-1000, 25000)
+spinbox.set_digit_format(5, 2)
+spinbox.step_prev()
+spinbox.set_width(100)
+spinbox.center()
+
+h = spinbox.get_height()
+
+btn = lv.btn(lv.scr_act())
+btn.set_size(h, h)
+btn.align_to(spinbox, lv.ALIGN.OUT_RIGHT_MID, 5, 0)
+btn.set_style_bg_img_src(lv.SYMBOL.PLUS, 0)
+btn.add_event_cb(increment_event_cb, lv.EVENT.ALL,  None)
+
+btn = lv.btn(lv.scr_act())
+btn.set_size(h, h)
+btn.align_to(spinbox, lv.ALIGN.OUT_LEFT_MID, -5, 0)
+btn.set_style_bg_img_src(lv.SYMBOL.MINUS, 0)
+btn.add_event_cb(decrement_event_cb, lv.EVENT.ALL, None)