acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_demo_keypad_encoder.c (6538B)
      1 /**
      2  * @file lv_demo_keypad_encoder.c
      3  *
      4  */
      5 
      6 /*********************
      7  *      INCLUDES
      8  *********************/
      9 #include "lv_demo_keypad_encoder.h"
     10 
     11 #if LV_USE_DEMO_KEYPAD_AND_ENCODER
     12 
     13 /*********************
     14  *      DEFINES
     15  *********************/
     16 
     17 /**********************
     18  *      TYPEDEFS
     19  **********************/
     20 
     21 /**********************
     22  *  STATIC PROTOTYPES
     23  **********************/
     24 static void selectors_create(lv_obj_t * parent);
     25 static void text_input_create(lv_obj_t * parent);
     26 static void msgbox_create(void);
     27 
     28 static void msgbox_event_cb(lv_event_t * e);
     29 static void ta_event_cb(lv_event_t * e);
     30 
     31 /**********************
     32  *  STATIC VARIABLES
     33  **********************/
     34 static lv_group_t * g;
     35 static lv_obj_t * tv;
     36 static lv_obj_t * t1;
     37 static lv_obj_t * t2;
     38 
     39 /**********************
     40  *      MACROS
     41  **********************/
     42 
     43 /**********************
     44  *   GLOBAL FUNCTIONS
     45  **********************/
     46 
     47 void lv_demo_keypad_encoder(void)
     48 {
     49     g = lv_group_create();
     50     lv_group_set_default(g);
     51 
     52     lv_indev_t * cur_drv = NULL;
     53     for(;;) {
     54         cur_drv = lv_indev_get_next(cur_drv);
     55         if(!cur_drv) {
     56             break;
     57         }
     58 
     59         if(cur_drv->driver->type == LV_INDEV_TYPE_KEYPAD) {
     60             lv_indev_set_group(cur_drv, g);
     61         }
     62 
     63         if(cur_drv->driver->type == LV_INDEV_TYPE_ENCODER) {
     64             lv_indev_set_group(cur_drv, g);
     65         }
     66     }
     67 
     68     tv = lv_tabview_create(lv_scr_act(), LV_DIR_TOP, LV_DPI_DEF / 3);
     69 
     70     t1 = lv_tabview_add_tab(tv, "Selectors");
     71     t2 = lv_tabview_add_tab(tv, "Text input");
     72 
     73     selectors_create(t1);
     74     text_input_create(t2);
     75 
     76     msgbox_create();
     77 }
     78 
     79 /**********************
     80  *   STATIC FUNCTIONS
     81  **********************/
     82 
     83 static void selectors_create(lv_obj_t * parent)
     84 {
     85     lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
     86     lv_obj_set_flex_align(parent, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
     87 
     88     lv_obj_t * obj;
     89 
     90     obj = lv_table_create(parent);
     91     lv_table_set_cell_value(obj, 0, 0, "00");
     92     lv_table_set_cell_value(obj, 0, 1, "01");
     93     lv_table_set_cell_value(obj, 1, 0, "10");
     94     lv_table_set_cell_value(obj, 1, 1, "11");
     95     lv_table_set_cell_value(obj, 2, 0, "20");
     96     lv_table_set_cell_value(obj, 2, 1, "21");
     97     lv_table_set_cell_value(obj, 3, 0, "30");
     98     lv_table_set_cell_value(obj, 3, 1, "31");
     99     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
    100 
    101     obj = lv_calendar_create(parent);
    102     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
    103 
    104     obj = lv_btnmatrix_create(parent);
    105     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
    106 
    107     obj = lv_checkbox_create(parent);
    108     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
    109 
    110     obj = lv_slider_create(parent);
    111     lv_slider_set_range(obj, 0, 10);
    112     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
    113 
    114     obj = lv_switch_create(parent);
    115     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
    116 
    117     obj = lv_spinbox_create(parent);
    118     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
    119 
    120     obj = lv_dropdown_create(parent);
    121     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
    122 
    123     obj = lv_roller_create(parent);
    124     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
    125 
    126     lv_obj_t * list = lv_list_create(parent);
    127     lv_obj_update_layout(list);
    128     if(lv_obj_get_height(list) > lv_obj_get_content_height(parent)) {
    129         lv_obj_set_height(list, lv_obj_get_content_height(parent));
    130     }
    131 
    132     lv_list_add_btn(list, LV_SYMBOL_OK, "Apply");
    133     lv_list_add_btn(list, LV_SYMBOL_CLOSE, "Close");
    134     lv_list_add_btn(list, LV_SYMBOL_EYE_OPEN, "Show");
    135     lv_list_add_btn(list, LV_SYMBOL_EYE_CLOSE, "Hide");
    136     lv_list_add_btn(list, LV_SYMBOL_TRASH, "Delete");
    137     lv_list_add_btn(list, LV_SYMBOL_COPY, "Copy");
    138     lv_list_add_btn(list, LV_SYMBOL_PASTE, "Paste");
    139 }
    140 
    141 static void text_input_create(lv_obj_t * parent)
    142 {
    143     lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
    144 
    145     lv_obj_t * ta1 = lv_textarea_create(parent);
    146     lv_obj_set_width(ta1, LV_PCT(100));
    147     lv_textarea_set_one_line(ta1, true);
    148     lv_textarea_set_placeholder_text(ta1, "Click with an encoder to show a keyboard");
    149 
    150     lv_obj_t * ta2 = lv_textarea_create(parent);
    151     lv_obj_set_width(ta2, LV_PCT(100));
    152     lv_textarea_set_one_line(ta2, true);
    153     lv_textarea_set_placeholder_text(ta2, "Type something");
    154 
    155     lv_obj_t * kb = lv_keyboard_create(lv_scr_act());
    156     lv_obj_add_flag(kb, LV_OBJ_FLAG_HIDDEN);
    157 
    158     lv_obj_add_event_cb(ta1, ta_event_cb, LV_EVENT_ALL, kb);
    159     lv_obj_add_event_cb(ta2, ta_event_cb, LV_EVENT_ALL, kb);
    160 }
    161 
    162 static void msgbox_create(void)
    163 {
    164     static const char * btns[] = {"Ok", "Cancel", ""};
    165     lv_obj_t * mbox = lv_msgbox_create(NULL, "Hi", "Welcome to the keyboard and encoder demo", btns, false);
    166     lv_obj_add_event_cb(mbox, msgbox_event_cb, LV_EVENT_ALL, NULL);
    167     lv_group_focus_obj(lv_msgbox_get_btns(mbox));
    168     lv_obj_add_state(lv_msgbox_get_btns(mbox), LV_STATE_FOCUS_KEY);
    169 #if LV_EX_MOUSEWHEEL
    170     lv_group_set_editing(g, true);
    171 #endif
    172     lv_group_focus_freeze(g, true);
    173 
    174     lv_obj_align(mbox, LV_ALIGN_CENTER, 0, 0);
    175 
    176     lv_obj_t * bg = lv_obj_get_parent(mbox);
    177     lv_obj_set_style_bg_opa(bg, LV_OPA_70, 0);
    178     lv_obj_set_style_bg_color(bg, lv_palette_main(LV_PALETTE_GREY), 0);
    179 }
    180 
    181 static void msgbox_event_cb(lv_event_t * e)
    182 {
    183     lv_event_code_t code = lv_event_get_code(e);
    184     lv_obj_t * msgbox = lv_event_get_current_target(e);
    185 
    186     if(code == LV_EVENT_VALUE_CHANGED) {
    187         const char * txt = lv_msgbox_get_active_btn_text(msgbox);
    188         if(txt) {
    189             lv_msgbox_close(msgbox);
    190             lv_group_focus_freeze(g, false);
    191             lv_group_focus_obj(lv_obj_get_child(t1, 0));
    192             lv_obj_scroll_to(t1, 0, 0, LV_ANIM_OFF);
    193 
    194         }
    195     }
    196 }
    197 
    198 static void ta_event_cb(lv_event_t * e)
    199 {
    200     lv_indev_t * indev = lv_indev_get_act();
    201     if(indev == NULL) return;
    202     lv_indev_type_t indev_type = lv_indev_get_type(indev);
    203 
    204     lv_event_code_t code = lv_event_get_code(e);
    205     lv_obj_t * ta = lv_event_get_target(e);
    206     lv_obj_t * kb = lv_event_get_user_data(e);
    207 
    208     if(code == LV_EVENT_CLICKED && indev_type == LV_INDEV_TYPE_ENCODER) {
    209         lv_keyboard_set_textarea(kb, ta);
    210         lv_obj_clear_flag(kb, LV_OBJ_FLAG_HIDDEN);
    211         lv_group_focus_obj(kb);
    212         lv_group_set_editing(lv_obj_get_group(kb), kb);
    213         lv_obj_set_height(tv, LV_VER_RES / 2);
    214         lv_obj_align(kb, LV_ALIGN_BOTTOM_MID, 0, 0);
    215     }
    216 
    217     if(code == LV_EVENT_READY || code == LV_EVENT_CANCEL) {
    218         lv_obj_add_flag(kb, LV_OBJ_FLAG_HIDDEN);
    219         lv_obj_set_height(tv, LV_VER_RES);
    220     }
    221 }
    222 
    223 #endif