lvgl_cpp/examples/layouts/grid/lv_example_grid_5.c

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2023-03-14 11:57:25 +00:00
#include "../../lv_examples.h"
#if LV_USE_GRID && 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 column and row gap
*/
void lv_example_grid_5(void)
{
/*60x60 cells*/
static lv_coord_t col_dsc[] = {60, 60, 60, LV_GRID_TEMPLATE_LAST};
static lv_coord_t row_dsc[] = {45, 45, 45, LV_GRID_TEMPLATE_LAST};
/*Create a container with grid*/
lv_obj_t * cont = lv_obj_create(lv_scr_act());
lv_obj_set_size(cont, 300, 220);
lv_obj_center(cont);
lv_obj_set_grid_dsc_array(cont, col_dsc, row_dsc);
lv_obj_t * label;
lv_obj_t * obj;
uint32_t i;
for(i = 0; i < 9; i++) {
uint8_t col = i % 3;
uint8_t row = i / 3;
obj = lv_obj_create(cont);
lv_obj_set_grid_cell(obj, LV_GRID_ALIGN_STRETCH, col, 1,
LV_GRID_ALIGN_STRETCH, row, 1);
label = lv_label_create(obj);
lv_label_set_text_fmt(label, "%d,%d", col, row);
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