acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_msgbox.c (6330B)
      1 /**
      2  * @file lv_msgbox.c
      3  *
      4  */
      5 
      6 /*********************
      7  *      INCLUDES
      8  *********************/
      9 #include "lv_msgbox.h"
     10 #if LV_USE_MSGBOX
     11 
     12 #include "../../../misc/lv_assert.h"
     13 
     14 /*********************
     15  *      DEFINES
     16  *********************/
     17 #define LV_MSGBOX_FLAG_AUTO_PARENT  LV_OBJ_FLAG_WIDGET_1        /*Mark that the parent was automatically created*/
     18 #define MY_CLASS    &lv_msgbox_class
     19 
     20 /**********************
     21  *      TYPEDEFS
     22  **********************/
     23 
     24 /**********************
     25  *  STATIC PROTOTYPES
     26  **********************/
     27 static void msgbox_close_click_event_cb(lv_event_t * e);
     28 
     29 /**********************
     30  *  STATIC VARIABLES
     31  **********************/
     32 const lv_obj_class_t lv_msgbox_class = {
     33     .base_class = &lv_obj_class,
     34     .width_def = LV_DPI_DEF * 2,
     35     .height_def = LV_SIZE_CONTENT,
     36     .instance_size = sizeof(lv_msgbox_t)
     37 };
     38 
     39 const lv_obj_class_t lv_msgbox_content_class = {
     40     .base_class = &lv_obj_class,
     41     .width_def = LV_PCT(100),
     42     .height_def = LV_SIZE_CONTENT,
     43     .instance_size = sizeof(lv_obj_t)
     44 };
     45 
     46 const lv_obj_class_t lv_msgbox_backdrop_class = {
     47     .base_class = &lv_obj_class,
     48     .width_def = LV_PCT(100),
     49     .height_def = LV_PCT(100),
     50     .instance_size = sizeof(lv_obj_t)
     51 };
     52 
     53 /**********************
     54  *      MACROS
     55  **********************/
     56 
     57 /**********************
     58  *   GLOBAL FUNCTIONS
     59  **********************/
     60 
     61 lv_obj_t * lv_msgbox_create(lv_obj_t * parent, const char * title, const char * txt, const char * btn_txts[],
     62                             bool add_close_btn)
     63 {
     64     LV_LOG_INFO("begin");
     65     bool auto_parent = false;
     66     if(parent == NULL) {
     67         auto_parent = true;
     68         parent = lv_obj_class_create_obj(&lv_msgbox_backdrop_class, lv_layer_top());
     69         LV_ASSERT_MALLOC(parent);
     70         lv_obj_class_init_obj(parent);
     71         lv_obj_clear_flag(parent, LV_OBJ_FLAG_IGNORE_LAYOUT);
     72         lv_obj_set_size(parent, LV_PCT(100), LV_PCT(100));
     73     }
     74 
     75     lv_obj_t * obj = lv_obj_class_create_obj(&lv_msgbox_class, parent);
     76     LV_ASSERT_MALLOC(obj);
     77     if(obj == NULL) return NULL;
     78     lv_obj_class_init_obj(obj);
     79     lv_msgbox_t * mbox = (lv_msgbox_t *)obj;
     80 
     81     if(auto_parent) lv_obj_add_flag(obj, LV_MSGBOX_FLAG_AUTO_PARENT);
     82 
     83     lv_obj_set_flex_flow(obj, LV_FLEX_FLOW_ROW_WRAP);
     84 
     85     bool has_title = title && strlen(title) > 0;
     86 
     87     /*When a close button is required, we need the empty label as spacer to push the button to the right*/
     88     if(add_close_btn || has_title) {
     89         mbox->title = lv_label_create(obj);
     90         lv_label_set_text(mbox->title, has_title ? title : "");
     91         lv_label_set_long_mode(mbox->title, LV_LABEL_LONG_SCROLL_CIRCULAR);
     92         if(add_close_btn) lv_obj_set_flex_grow(mbox->title, 1);
     93         else lv_obj_set_width(mbox->title, LV_PCT(100));
     94     }
     95 
     96     if(add_close_btn) {
     97         mbox->close_btn = lv_btn_create(obj);
     98         lv_obj_set_ext_click_area(mbox->close_btn, LV_DPX(10));
     99         lv_obj_add_event_cb(mbox->close_btn, msgbox_close_click_event_cb, LV_EVENT_CLICKED, NULL);
    100         lv_obj_t * label = lv_label_create(mbox->close_btn);
    101         lv_label_set_text(label, LV_SYMBOL_CLOSE);
    102         const lv_font_t * font = lv_obj_get_style_text_font(mbox->close_btn, LV_PART_MAIN);
    103         lv_coord_t close_btn_size = lv_font_get_line_height(font) + LV_DPX(10);
    104         lv_obj_set_size(mbox->close_btn, close_btn_size, close_btn_size);
    105         lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);
    106     }
    107 
    108     mbox->content = lv_obj_class_create_obj(&lv_msgbox_content_class, obj);
    109 
    110     bool has_txt = txt && strlen(txt) > 0;
    111     if(has_txt) {
    112         mbox->text = lv_label_create(mbox->content);
    113         lv_label_set_text(mbox->text, txt);
    114         lv_label_set_long_mode(mbox->text, LV_LABEL_LONG_WRAP);
    115         lv_obj_set_width(mbox->text, lv_pct(100));
    116     }
    117 
    118     if(btn_txts) {
    119         mbox->btns = lv_btnmatrix_create(obj);
    120         lv_btnmatrix_set_map(mbox->btns, btn_txts);
    121         lv_btnmatrix_set_btn_ctrl_all(mbox->btns, LV_BTNMATRIX_CTRL_CLICK_TRIG | LV_BTNMATRIX_CTRL_NO_REPEAT);
    122 
    123         uint32_t btn_cnt = 0;
    124         while(btn_txts[btn_cnt] && btn_txts[btn_cnt][0] != '\0') {
    125             btn_cnt++;
    126         }
    127 
    128         const lv_font_t * font = lv_obj_get_style_text_font(mbox->btns, LV_PART_ITEMS);
    129         lv_coord_t btn_h = lv_font_get_line_height(font) + LV_DPI_DEF / 10;
    130         lv_obj_set_size(mbox->btns, btn_cnt * (2 * LV_DPI_DEF / 3), btn_h);
    131         lv_obj_set_style_max_width(mbox->btns, lv_pct(100), 0);
    132         lv_obj_add_flag(mbox->btns, LV_OBJ_FLAG_EVENT_BUBBLE);    /*To see the event directly on the message box*/
    133     }
    134 
    135     return obj;
    136 }
    137 
    138 
    139 lv_obj_t * lv_msgbox_get_title(lv_obj_t * obj)
    140 {
    141     LV_ASSERT_OBJ(obj, MY_CLASS);
    142     lv_msgbox_t * mbox = (lv_msgbox_t *)obj;
    143     return mbox->title;
    144 }
    145 
    146 lv_obj_t * lv_msgbox_get_close_btn(lv_obj_t * obj)
    147 {
    148     LV_ASSERT_OBJ(obj, MY_CLASS);
    149     lv_msgbox_t * mbox = (lv_msgbox_t *)obj;
    150     return mbox->close_btn;
    151 }
    152 
    153 lv_obj_t * lv_msgbox_get_text(lv_obj_t * obj)
    154 {
    155     LV_ASSERT_OBJ(obj, MY_CLASS);
    156     lv_msgbox_t * mbox = (lv_msgbox_t *)obj;
    157     return mbox->text;
    158 }
    159 
    160 lv_obj_t * lv_msgbox_get_content(lv_obj_t * obj)
    161 {
    162     LV_ASSERT_OBJ(obj, MY_CLASS);
    163     lv_msgbox_t * mbox = (lv_msgbox_t *)obj;
    164     return mbox->content;
    165 }
    166 
    167 lv_obj_t * lv_msgbox_get_btns(lv_obj_t * obj)
    168 {
    169     LV_ASSERT_OBJ(obj, MY_CLASS);
    170     lv_msgbox_t * mbox = (lv_msgbox_t *)obj;
    171     return mbox->btns;
    172 }
    173 
    174 uint16_t lv_msgbox_get_active_btn(lv_obj_t * mbox)
    175 {
    176     lv_obj_t * btnm = lv_msgbox_get_btns(mbox);
    177     return lv_btnmatrix_get_selected_btn(btnm);
    178 }
    179 
    180 const char * lv_msgbox_get_active_btn_text(lv_obj_t * mbox)
    181 {
    182     lv_obj_t * btnm = lv_msgbox_get_btns(mbox);
    183     return lv_btnmatrix_get_btn_text(btnm, lv_btnmatrix_get_selected_btn(btnm));
    184 }
    185 
    186 void lv_msgbox_close(lv_obj_t * mbox)
    187 {
    188     if(lv_obj_has_flag(mbox, LV_MSGBOX_FLAG_AUTO_PARENT)) lv_obj_del(lv_obj_get_parent(mbox));
    189     else lv_obj_del(mbox);
    190 }
    191 
    192 void lv_msgbox_close_async(lv_obj_t * dialog)
    193 {
    194     if(lv_obj_has_flag(dialog, LV_MSGBOX_FLAG_AUTO_PARENT)) lv_obj_del_async(lv_obj_get_parent(dialog));
    195     else lv_obj_del_async(dialog);
    196 }
    197 
    198 /**********************
    199  *   STATIC FUNCTIONS
    200  **********************/
    201 
    202 static void msgbox_close_click_event_cb(lv_event_t * e)
    203 {
    204     lv_obj_t * btn = lv_event_get_target(e);
    205     lv_obj_t * mbox = lv_obj_get_parent(btn);
    206     lv_msgbox_close(mbox);
    207 }
    208 
    209 #endif /*LV_USE_MSGBOX*/