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ndg/lib/lvgl/examples/layouts/flex/lv_example_flex_5.c

52 lines
1.2 KiB
C

#include "../../lv_examples.h"
#if LV_USE_FLEX && LV_BUILD_EXAMPLES
static void row_gap_anim(void * obj, int32_t v)
{
lv_obj_set_style_pad_row(obj, v, 0);
}
static void column_gap_anim(void * obj, int32_t v)
{
lv_obj_set_style_pad_column(obj, v, 0);
}
/**
* Demonstrate the effect of column and row gap style properties
*/
void lv_example_flex_5(void)
{
lv_obj_t * cont = lv_obj_create(lv_scr_act());
lv_obj_set_size(cont, 300, 220);
lv_obj_center(cont);
lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_ROW_WRAP);
uint32_t i;
for(i = 0; i < 9; i++) {
lv_obj_t * obj = lv_obj_create(cont);
lv_obj_set_size(obj, 70, LV_SIZE_CONTENT);
lv_obj_t * label = lv_label_create(obj);
lv_label_set_text_fmt(label, "%"LV_PRIu32, i);
lv_obj_center(label);
}
lv_anim_t a;
lv_anim_init(&a);
lv_anim_set_var(&a, cont);
lv_anim_set_values(&a, 0, 10);
lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
lv_anim_set_exec_cb(&a, row_gap_anim);
lv_anim_set_time(&a, 500);
lv_anim_set_playback_time(&a, 500);
lv_anim_start(&a);
lv_anim_set_exec_cb(&a, column_gap_anim);
lv_anim_set_time(&a, 3000);
lv_anim_set_playback_time(&a, 3000);
lv_anim_start(&a);
}
#endif