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fix(demo): lv_demo_widgets update scale3 needle and label pos on resize (#6258)

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Co-authored-by: C47D <carlos.santiago.diaz@gmail.com>
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Liam 2024-06-03 05:38:16 -04:00 committed by GitHub
parent 7f610bfc9d
commit af15a17a54
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GPG Key ID: B5690EEEBB952194
1 changed files with 32 additions and 9 deletions
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41
demos/widgets/lv_demo_widgets.c
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@ -51,6 +51,7 @@ static void shop_chart_event_cb(lv_event_t * e);
static void scale1_indic1_anim_cb(void * var, int32_t v);
static void scale2_timer_cb(lv_timer_t * timer);
static void scale3_anim_cb(void * var, int32_t v);
static void scale3_size_changed_event_cb(lv_event_t * e);
static void scroll_anim_y_cb(void * var, int32_t v);
static void scroll_anim_y_cb(void * var, int32_t v);
static void delete_timer_event_cb(lv_event_t * e);
@ -100,6 +101,9 @@ static lv_style_t scale3_section3_main_style;
static lv_style_t scale3_section3_indicator_style;
static lv_style_t scale3_section3_tick_style;
static lv_obj_t * scale3_needle;
static lv_obj_t * scale3_mbps_label;
/**********************
* MACROS
**********************/
@ -842,14 +846,14 @@ static void analytics_create(lv_obj_t * parent)
lv_scale_section_set_style(section, LV_PART_ITEMS, &scale3_section3_tick_style);
LV_IMAGE_DECLARE(img_demo_widgets_needle);
lv_obj_t * needle = lv_image_create(scale3);
lv_image_set_src(needle, &img_demo_widgets_needle);
lv_image_set_pivot(needle, 3, 4);
lv_obj_align(needle, LV_ALIGN_CENTER, 47, -2);
scale3_needle = lv_image_create(scale3);
lv_image_set_src(scale3_needle, &img_demo_widgets_needle);
lv_image_set_pivot(scale3_needle, 3, 4);
lv_obj_align(scale3_needle, LV_ALIGN_CENTER, 47, -2);
lv_obj_t * mbps_label = lv_label_create(scale3);
lv_label_set_text(mbps_label, "-");
lv_obj_add_style(mbps_label, &style_title, 0);
scale3_mbps_label = lv_label_create(scale3);
lv_label_set_text(scale3_mbps_label, "-");
lv_obj_add_style(scale3_mbps_label, &style_title, 0);
lv_obj_t * mbps_unit_label = lv_label_create(scale3);
lv_label_set_text(mbps_unit_label, "Mbps");
@ -863,8 +867,10 @@ static void analytics_create(lv_obj_t * parent)
lv_anim_set_playback_duration(&a, 800);
lv_anim_start(&a);
lv_obj_align(mbps_label, LV_ALIGN_TOP_MID, 10, lv_pct(55));
lv_obj_align_to(mbps_unit_label, mbps_label, LV_ALIGN_OUT_RIGHT_BOTTOM, 10, 0);
lv_obj_align(scale3_mbps_label, LV_ALIGN_TOP_MID, 10, lv_pct(55));
lv_obj_align_to(mbps_unit_label, scale3_mbps_label, LV_ALIGN_OUT_RIGHT_BOTTOM, 10, 0);
lv_obj_add_event_cb(scale3, scale3_size_changed_event_cb, LV_EVENT_SIZE_CHANGED, NULL);
}
void shop_create(lv_obj_t * parent)
@ -1608,6 +1614,23 @@ static void scale3_anim_cb(void * var, int32_t v)
lv_label_set_text_fmt(label, "%"LV_PRId32, v);
}
static void scale3_size_changed_event_cb(lv_event_t * e)
{
LV_UNUSED(e);
/* the center of the scale is half of the smaller dimension */
int32_t width = lv_obj_get_width(scale3);
int32_t height = lv_obj_get_height(scale3);
int32_t minor_dim = LV_MIN(width, height);
int32_t minor_dim_half = minor_dim / 2;
/* Update needle position */
lv_obj_align(scale3_needle, LV_ALIGN_TOP_LEFT, minor_dim_half, minor_dim_half);
/* Update labels position */
lv_obj_align(scale3_mbps_label, LV_ALIGN_TOP_LEFT, minor_dim_half, minor_dim * 55 / 100);
}
static void scroll_anim_y_cb(void * var, int32_t v)
{
lv_obj_scroll_to_y(var, v, LV_ANIM_OFF);