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feat(table): add support the get the selected cell + keypad navigation

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This commit is contained in:
Gabor Kiss-Vamosi
2021-02-24 09:56:44 +01:00
parent ba89ea35a2
commit 027a82dc35
3 changed files with 292 additions and 329 deletions
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53
examples/widgets/table/lv_example_table_2.c
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@@ -9,22 +9,41 @@ static void event_cb(lv_obj_t * obj, lv_event_t e)
lv_obj_draw_hook_dsc_t * hook_dsc = lv_event_get_param();
/*If the cells are drawn...*/
if(hook_dsc->part == LV_PART_ITEMS) {
uint32_t row = hook_dsc->id;
bool chk = lv_table_has_cell_ctrl(obj, hook_dsc->id, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
/*Make the texts in the first cell center aligned*/
if(row == 0) {
hook_dsc->label_dsc->align = LV_TEXT_ALIGN_CENTER;
hook_dsc->rect_dsc->bg_color = lv_color_mix(lv_color_blue(), hook_dsc->rect_dsc->bg_color, LV_OPA_20);
hook_dsc->rect_dsc->bg_opa = LV_OPA_COVER;
}
lv_draw_rect_dsc_t rect_dsc;
lv_draw_rect_dsc_init(&rect_dsc);
rect_dsc.bg_color = chk ? lv_color_green() : lv_color_grey_lighten_2();
rect_dsc.radius = LV_RADIUS_CIRCLE;
/*Make every 2nd row grayish*/
if((row != 0 && row % 2) == 0) {
hook_dsc->rect_dsc->bg_color = lv_color_mix(lv_color_grey(), hook_dsc->rect_dsc->bg_color, LV_OPA_10);
hook_dsc->rect_dsc->bg_opa = LV_OPA_COVER;
lv_area_t sw_area;
sw_area.x1 = hook_dsc->draw_area->x2 - 50;
sw_area.x2 = sw_area.x1 + 40;
sw_area.y1 = hook_dsc->draw_area->y1 + lv_area_get_height(hook_dsc->draw_area) / 2 - 10;
sw_area.y2 = sw_area.y1 + 20;
lv_draw_rect(&sw_area, hook_dsc->clip_area, &rect_dsc);
rect_dsc.bg_color = lv_color_white();
if(chk) {
sw_area.x2 -= 2;
sw_area.x1 = sw_area.x2 - 16;
} else {
sw_area.x1 += 2;
sw_area.x2 = sw_area.x1 + 16;
}
sw_area.y1 += 2;
sw_area.y2 -= 2;
lv_draw_rect(&sw_area, hook_dsc->clip_area, &rect_dsc);
}
}
else if(e == LV_EVENT_VALUE_CHANGED) {
uint16_t col;
uint16_t row;
lv_table_get_selected_cell(obj, &row, &col);
bool chk = lv_table_has_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
if(chk) lv_table_clear_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
else lv_table_add_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
}
}
@@ -40,20 +59,26 @@ void lv_example_table_2(void)
uint32_t t = lv_tick_get();
lv_obj_t * table = lv_table_create(lv_scr_act(), NULL);
/*Set a smaller height to the table. It'll make it scrollable*/
lv_obj_set_size(table, 150, 200);
lv_table_set_col_width(table, 0, 150);
lv_table_set_row_cnt(table, ITEM_CNT); /*Not required but avoids a lot of memory reallocation lv_table_set_set_value */
lv_table_set_col_cnt(table, 1);
/*Don't make the cell pressed, we will draw something different in the event*/
lv_obj_remove_style(table, LV_PART_ITEMS, LV_STATE_PRESSED, NULL);
uint32_t i;
for(i = 0; i < ITEM_CNT; i++) {
lv_table_set_cell_value_fmt(table, i, 0, "Item %d", i + 1);
}
/*Set a smaller height to the table. It'll make it scrollable*/
lv_obj_set_height(table, 200);
lv_obj_align(table, NULL, LV_ALIGN_CENTER, 0, -20);
/*Add an event callback to to apply some custom drawing*/
// lv_obj_add_event_cb(table, event_cb, NULL);
lv_obj_add_event_cb(table, event_cb, NULL);
lv_mem_monitor_t mon2;
lv_mem_monitor(&mon2);