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ndg/lib/lvgl/demos/music/lv_demo_music_list.c

232 lines
7.2 KiB
C

/**
* @file lv_demo_music_list.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_demo_music_list.h"
#if LV_USE_DEMO_MUSIC
#include "lv_demo_music_main.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
static lv_obj_t * add_list_btn(lv_obj_t * parent, uint32_t track_id);
static void btn_click_event_cb(lv_event_t * e);
/**********************
* STATIC VARIABLES
**********************/
static lv_obj_t * list;
static const lv_font_t * font_small;
static const lv_font_t * font_medium;
static lv_style_t style_scrollbar;
static lv_style_t style_btn;
static lv_style_t style_btn_pr;
static lv_style_t style_btn_chk;
static lv_style_t style_btn_dis;
static lv_style_t style_title;
static lv_style_t style_artist;
static lv_style_t style_time;
LV_IMG_DECLARE(img_lv_demo_music_btn_list_play);
LV_IMG_DECLARE(img_lv_demo_music_btn_list_pause);
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
lv_obj_t * _lv_demo_music_list_create(lv_obj_t * parent)
{
#if LV_DEMO_MUSIC_LARGE
font_small = &lv_font_montserrat_16;
font_medium = &lv_font_montserrat_22;
#else
font_small = &lv_font_montserrat_12;
font_medium = &lv_font_montserrat_16;
#endif
lv_style_init(&style_scrollbar);
lv_style_set_width(&style_scrollbar, 4);
lv_style_set_bg_opa(&style_scrollbar, LV_OPA_COVER);
lv_style_set_bg_color(&style_scrollbar, lv_color_hex3(0xeee));
lv_style_set_radius(&style_scrollbar, LV_RADIUS_CIRCLE);
lv_style_set_pad_right(&style_scrollbar, 4);
static const lv_coord_t grid_cols[] = {LV_GRID_CONTENT, LV_GRID_FR(1), LV_GRID_CONTENT, LV_GRID_TEMPLATE_LAST};
#if LV_DEMO_MUSIC_LARGE
static const lv_coord_t grid_rows[] = {35, 30, LV_GRID_TEMPLATE_LAST};
#else
static const lv_coord_t grid_rows[] = {22, 17, LV_GRID_TEMPLATE_LAST};
#endif
lv_style_init(&style_btn);
lv_style_set_bg_opa(&style_btn, LV_OPA_TRANSP);
lv_style_set_grid_column_dsc_array(&style_btn, grid_cols);
lv_style_set_grid_row_dsc_array(&style_btn, grid_rows);
lv_style_set_grid_row_align(&style_btn, LV_GRID_ALIGN_CENTER);
lv_style_set_layout(&style_btn, LV_LAYOUT_GRID);
#if LV_DEMO_MUSIC_LARGE
lv_style_set_pad_right(&style_btn, 30);
#else
lv_style_set_pad_right(&style_btn, 20);
#endif
lv_style_init(&style_btn_pr);
lv_style_set_bg_opa(&style_btn_pr, LV_OPA_COVER);
lv_style_set_bg_color(&style_btn_pr, lv_color_hex(0x4c4965));
lv_style_init(&style_btn_chk);
lv_style_set_bg_opa(&style_btn_chk, LV_OPA_COVER);
lv_style_set_bg_color(&style_btn_chk, lv_color_hex(0x4c4965));
lv_style_init(&style_btn_dis);
lv_style_set_text_opa(&style_btn_dis, LV_OPA_40);
lv_style_set_img_opa(&style_btn_dis, LV_OPA_40);
lv_style_init(&style_title);
lv_style_set_text_font(&style_title, font_medium);
lv_style_set_text_color(&style_title, lv_color_hex(0xffffff));
lv_style_init(&style_artist);
lv_style_set_text_font(&style_artist, font_small);
lv_style_set_text_color(&style_artist, lv_color_hex(0xb1b0be));
lv_style_init(&style_time);
lv_style_set_text_font(&style_time, font_medium);
lv_style_set_text_color(&style_time, lv_color_hex(0xffffff));
/*Create an empty transparent container*/
list = lv_obj_create(parent);
lv_obj_remove_style_all(list);
lv_obj_set_size(list, LV_HOR_RES, LV_VER_RES - LV_DEMO_MUSIC_HANDLE_SIZE);
lv_obj_set_y(list, LV_DEMO_MUSIC_HANDLE_SIZE);
lv_obj_add_style(list, &style_scrollbar, LV_PART_SCROLLBAR);
lv_obj_set_flex_flow(list, LV_FLEX_FLOW_COLUMN);
uint32_t track_id;
for(track_id = 0; _lv_demo_music_get_title(track_id); track_id++) {
add_list_btn(list, track_id);
}
#if LV_DEMO_MUSIC_SQUARE || LV_DEMO_MUSIC_ROUND
lv_obj_set_scroll_snap_y(list, LV_SCROLL_SNAP_CENTER);
#endif
_lv_demo_music_list_btn_check(0, true);
return list;
}
void _lv_demo_music_list_close(void)
{
lv_style_reset(&style_scrollbar);
lv_style_reset(&style_btn);
lv_style_reset(&style_btn_pr);
lv_style_reset(&style_btn_chk);
lv_style_reset(&style_btn_dis);
lv_style_reset(&style_title);
lv_style_reset(&style_artist);
lv_style_reset(&style_time);
}
void _lv_demo_music_list_btn_check(uint32_t track_id, bool state)
{
lv_obj_t * btn = lv_obj_get_child(list, track_id);
lv_obj_t * icon = lv_obj_get_child(btn, 0);
if(state) {
lv_obj_add_state(btn, LV_STATE_CHECKED);
lv_img_set_src(icon, &img_lv_demo_music_btn_list_pause);
lv_obj_scroll_to_view(btn, LV_ANIM_ON);
}
else {
lv_obj_clear_state(btn, LV_STATE_CHECKED);
lv_img_set_src(icon, &img_lv_demo_music_btn_list_play);
}
}
/**********************
* STATIC FUNCTIONS
**********************/
static lv_obj_t * add_list_btn(lv_obj_t * parent, uint32_t track_id)
{
uint32_t t = _lv_demo_music_get_track_length(track_id);
char time[32];
lv_snprintf(time, sizeof(time), "%"LV_PRIu32":%02"LV_PRIu32, t / 60, t % 60);
const char * title = _lv_demo_music_get_title(track_id);
const char * artist = _lv_demo_music_get_artist(track_id);
lv_obj_t * btn = lv_obj_create(parent);
lv_obj_remove_style_all(btn);
#if LV_DEMO_MUSIC_LARGE
lv_obj_set_size(btn, lv_pct(100), 110);
#else
lv_obj_set_size(btn, lv_pct(100), 60);
#endif
lv_obj_add_style(btn, &style_btn, 0);
lv_obj_add_style(btn, &style_btn_pr, LV_STATE_PRESSED);
lv_obj_add_style(btn, &style_btn_chk, LV_STATE_CHECKED);
lv_obj_add_style(btn, &style_btn_dis, LV_STATE_DISABLED);
lv_obj_add_event_cb(btn, btn_click_event_cb, LV_EVENT_CLICKED, NULL);
if(track_id >= 3) {
lv_obj_add_state(btn, LV_STATE_DISABLED);
}
lv_obj_t * icon = lv_img_create(btn);
lv_img_set_src(icon, &img_lv_demo_music_btn_list_play);
lv_obj_set_grid_cell(icon, LV_GRID_ALIGN_START, 0, 1, LV_GRID_ALIGN_CENTER, 0, 2);
lv_obj_t * title_label = lv_label_create(btn);
lv_label_set_text(title_label, title);
lv_obj_set_grid_cell(title_label, LV_GRID_ALIGN_START, 1, 1, LV_GRID_ALIGN_CENTER, 0, 1);
lv_obj_add_style(title_label, &style_title, 0);
lv_obj_t * artist_label = lv_label_create(btn);
lv_label_set_text(artist_label, artist);
lv_obj_add_style(artist_label, &style_artist, 0);
lv_obj_set_grid_cell(artist_label, LV_GRID_ALIGN_START, 1, 1, LV_GRID_ALIGN_CENTER, 1, 1);
lv_obj_t * time_label = lv_label_create(btn);
lv_label_set_text(time_label, time);
lv_obj_add_style(time_label, &style_time, 0);
lv_obj_set_grid_cell(time_label, LV_GRID_ALIGN_END, 2, 1, LV_GRID_ALIGN_CENTER, 0, 2);
LV_IMG_DECLARE(img_lv_demo_music_list_border);
lv_obj_t * border = lv_img_create(btn);
lv_img_set_src(border, &img_lv_demo_music_list_border);
lv_obj_set_width(border, lv_pct(120));
lv_obj_align(border, LV_ALIGN_BOTTOM_MID, 0, 0);
lv_obj_add_flag(border, LV_OBJ_FLAG_IGNORE_LAYOUT);
return btn;
}
static void btn_click_event_cb(lv_event_t * e)
{
lv_obj_t * btn = lv_event_get_target(e);
uint32_t idx = lv_obj_get_child_id(btn);
_lv_demo_music_play(idx);
}
#endif /*LV_USE_DEMO_MUSIC*/