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lvgl/examples/layouts/grid/lv_example_grid_3.c

49 lines
1.4 KiB
C

#include "../../../lvgl.h"
#if LV_USE_GRID && LV_BUILD_EXAMPLES
/**
* Demonstrate grid's "free unit"
*/
void lv_example_grid_3(void)
{
/*Column 1: fix width 60 px
*Column 2: 1 unit from the remaining free space
*Column 3: 2 unit from the remaining free space*/
static lv_coord_t col_dsc[3] = {60, LV_GRID_FR(1), LV_GRID_FR(2)};
/*Row 1: fix width 60 px
*Row 2: 1 unit from the remaining free space
*Row 3: fix width 60 px*/
static lv_coord_t row_dsc[3] = {40, LV_GRID_FR(1), 40};
static lv_grid_t grid;
lv_grid_init(&grid);
lv_grid_set_template(&grid, col_dsc, 3, row_dsc, 3);
/*Create a container with grid*/
lv_obj_t * cont = lv_obj_create(lv_scr_act(), NULL);
lv_obj_set_size(cont, 300, 220);
lv_obj_align(cont, NULL, LV_ALIGN_CENTER, 0, 0);
lv_obj_set_layout(cont, &grid);
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, NULL);
/*Stretch the cell horizontally and vertically too
*Set span to 1 to make the cell 1 column/row sized*/
lv_obj_set_grid_cell(obj, LV_GRID_STRETCH, col, 1,
LV_GRID_STRETCH, row, 1);
label = lv_label_create(obj, NULL);
lv_label_set_text_fmt(label, "%d,%d", col, row);
lv_obj_align(label, NULL, LV_ALIGN_CENTER, 0, 0);
}
}
#endif