example_encoder: GUI added

lv_examples/2_2_encoder_ctrl/encoder_ctrl.c

@@ -22,6 +22,11 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
+static void channel_create(uint8_t ch_id, lv_group_t * g);
+
+static lv_action_res_t mbox_yes_action(lv_obj_t * btn, lv_dispi_t * dispi);
+static lv_action_res_t mbox_no_action(lv_obj_t * btn, lv_dispi_t * dispi);
+static lv_action_res_t enable_action(lv_obj_t * btn, lv_dispi_t * dispi);
 static lv_action_res_t btn_next(lv_obj_t * btn, lv_dispi_t * dispi);
 static lv_action_res_t btn_inc(lv_obj_t * btn, lv_dispi_t * dispi);
 static lv_action_res_t btn_dec(lv_obj_t * btn, lv_dispi_t * dispi);
@@ -30,8 +35,10 @@ static lv_action_res_t btn_sel(lv_obj_t * btn, lv_dispi_t * dispi);
 /**********************
  *  STATIC VARIABLES
  **********************/
-lv_group_t * g1;    /*Declare an Object Group*/
-lv_group_t * g2;    /*Declare an Object Group*/
+static lv_obj_t * scr;
+static lv_style_t style_mbox_bg;
+
+static lv_group_t * g;    /*Declare an Object Group*/
 
 /**********************
  *      MACROS
@@ -45,18 +52,23 @@ lv_group_t * g2;    /*Declare an Object Group*/
  */
 void encoder_ctrl_init(void)
 {
-    /* Create a Container screen and use Pretty layout
-     * to make the content responsive.
+    /* Create a Page screen (to make it scrollable)
+     * and use Pretty layout to make the content responsive.
      * See the 'responsive' example for more information */
-    lv_obj_t * scr = lv_page_create(NULL, NULL);
+    scr = lv_page_create(NULL, NULL);
     lv_cont_set_layout(lv_page_get_scrl(scr), LV_CONT_LAYOUT_PRETTY);
+    lv_page_set_sb_mode(scr, LV_PAGE_SB_MODE_AUTO);
     lv_scr_load(scr);
 
-    g1 = lv_group_create();
-    g2 = lv_group_create();
+    g = lv_group_create();
+
+    lv_style_get(LV_STYLE_PLAIN, &style_mbox_bg);
+    style_mbox_bg.mcolor = COLOR_BLACK;
+    style_mbox_bg.gcolor = COLOR_BLACK;
+    style_mbox_bg.opa = OPA_50;
 
     lv_obj_t * title = lv_label_create(scr, NULL);
-    lv_label_set_text(title, "Channel 1");
+    lv_label_set_text(title, "adasds");
     lv_obj_set_protect(title, LV_PROTECT_FOLLOW);   /*Make a line break in the layout*/
 
 
@@ -64,24 +76,17 @@ void encoder_ctrl_init(void)
     lv_obj_t * holder = lv_cont_create(scr, NULL);     /*Create a transparent holder to group some objects*/
     lv_cont_set_fit(holder, true, true);
     lv_cont_set_layout(holder, LV_CONT_LAYOUT_COL_L);
-    lv_obj_set_style(holder, lv_style_get(LV_STYLE_TRANSP_TIGHT, NULL));
-
-    lv_obj_t * subtitle = lv_label_create(holder, NULL);
-    lv_label_set_text(subtitle, "Temperature");
+    lv_obj_set_style(holder, lv_style_get(LV_STYLE_TRANSP, NULL));
 
     lv_obj_t * ddlist = lv_ddlist_create(holder, NULL);
     lv_ddlist_set_options_str(ddlist, "Low\nMedium\nHigh");
-    lv_group_add_obj(g1, ddlist);   /*Add the object to the first group*/
-
-    lv_ddlist_create(holder, ddlist);
+    lv_group_add_obj(g, ddlist);   /*Add the object to the first group*/
 
     /*Copy the previous holder and subtitle and add check boxes*/
     holder = lv_cont_create(scr, holder);
-    subtitle = lv_label_create(holder, subtitle);
-    lv_label_set_text(subtitle, "Colors");
     lv_obj_t * cb = lv_cb_create(holder, NULL);
     lv_cb_set_text(cb, "Red");
-    lv_group_add_obj(g1, cb);
+    lv_group_add_obj(g, cb);
 
     cb = lv_cb_create(holder, cb);
     lv_cb_set_text(cb, "Green");
@@ -91,105 +96,111 @@ void encoder_ctrl_init(void)
 
     /*Copy the previous holder and subtitle and add sliders*/
     holder = lv_cont_create(scr, holder);
-    subtitle = lv_label_create(holder, subtitle);
-    lv_label_set_text(subtitle, "Voltage");
     lv_obj_t * slider = lv_slider_create(holder, NULL);
     lv_obj_set_size_us(slider, 180, 30);
+    lv_group_add_obj(g, slider);
 
-    subtitle = lv_label_create(holder, subtitle);
-    lv_label_set_text(subtitle, "Current");
-    slider = lv_slider_create(holder, slider);
-
-    lv_obj_t * list = lv_list_create(lv_scr_act(), NULL);
-    lv_list_add(list, "", "List1", NULL);
-    lv_list_add(list, "", "List2", NULL);
-    lv_list_add(list, "", "List3", NULL);
-    lv_list_add(list, "", "List4", NULL);
-    lv_list_add(list, "", "List5", NULL);
-    lv_list_add(list, "", "List6", NULL);
-    lv_list_add(list, "", "List7", NULL);
-    lv_list_add(list, "", "List8", NULL);
-    lv_group_add_obj(g1, list);
-
-    lv_obj_t * btn = lv_btn_create(lv_scr_act(), NULL);
+    lv_obj_t * btn = lv_btn_create(scr, NULL);
+    lv_btn_set_rel_action(btn, enable_action);
+    lv_cont_set_fit(btn, true, true);
+    lv_group_add_obj(g, btn);
     lv_obj_t * l = lv_label_create(btn, NULL);
-    lv_label_set_text(l, "Button1");
-    lv_group_add_obj(g1, btn);
-
-
-    btn = lv_btn_create(lv_scr_act(), NULL);
-    lv_btn_set_tgl(btn, true);
-    l = lv_label_create(btn, NULL);
-    lv_label_set_text(l, "Button\nToggle");
-    lv_group_add_obj(g1, btn);
-
-    btn = lv_btn_create(lv_scr_act(), btn);
-    lv_btn_set_tgl(btn, true);
-    l = lv_label_create(btn, NULL);
-    lv_label_set_text(l, "Button\nToggle\nCopy");
+    lv_label_set_text(l, "Enable");
 
+    lv_obj_set_protect(btn, LV_PROTECT_FOLLOW);
 
-    l = lv_label_create(lv_scr_act(), NULL);
-    lv_label_set_text(l, "Single\nlabel");
-    lv_obj_set_protect(l, LV_PROTECT_FOLLOW);
-    lv_group_add_obj(g1, l);
 
     btn = lv_btn_create(lv_scr_act(), NULL);
     lv_btn_set_rel_action(btn, btn_next);
+    lv_cont_set_fit(btn, true, true);
     l = lv_label_create(btn, NULL);
-    lv_label_set_text(l, "Next");
+    lv_label_set_text(l, ">");
 
     btn = lv_btn_create(lv_scr_act(), NULL);
     lv_btn_set_rel_action(btn, btn_dec);
+    lv_cont_set_fit(btn, true, true);
     l = lv_label_create(btn, NULL);
-    lv_label_set_text(l, "Dec");
+    lv_label_set_text(l, "-");
 
     btn = lv_btn_create(lv_scr_act(), NULL);
     lv_btn_set_rel_action(btn, btn_inc);
+    lv_cont_set_fit(btn, true, true);
     l = lv_label_create(btn, NULL);
-    lv_label_set_text(l, "Inc");
+    lv_label_set_text(l, "+");
 
     btn = lv_btn_create(lv_scr_act(), NULL);
     lv_btn_set_rel_action(btn, btn_sel);
+    lv_cont_set_fit(btn, true, true);
     l = lv_label_create(btn, NULL);
-    lv_label_set_text(l, "Sel");
+    lv_label_set_text(l, "!");
 }
 
 /**********************
  *   STATIC FUNCTIONS
  **********************/
 
-static lv_action_res_t btn_next(lv_obj_t * btn, lv_dispi_t * dispi)
+static lv_action_res_t enable_action(lv_obj_t * btn, lv_dispi_t * dispi)
 {
-    lv_group_focus_next(g1);
-
+    if(lv_btn_get_state(btn) == LV_BTN_STATE_REL) {
+        lv_obj_t * bg = lv_obj_create(scr, NULL);
+        lv_obj_set_protect(bg, LV_PROTECT_PARENT);
+        lv_obj_set_parent(bg, scr);
+        lv_obj_set_style(bg, &style_mbox_bg);
+        lv_obj_set_size(bg, LV_HOR_RES, LV_VER_RES);
+        lv_obj_set_pos(bg, 0, 0);
+        lv_obj_set_click(bg, false);
+
+        lv_obj_t * mbox = lv_mbox_create(bg, NULL);
+        lv_mbox_set_text(mbox, "Really Enable the outputs?");
+        lv_group_add_obj(g, mbox);
+
+        lv_mbox_add_btn(mbox, "Yes", mbox_yes_action);
+        lv_mbox_add_btn(mbox, "No", mbox_no_action);
+
+        lv_obj_align(mbox, NULL, LV_ALIGN_CENTER, 0, - LV_DPI / 2);
+
+        lv_group_focus_obj(mbox);
+    }
     return LV_ACTION_RES_OK;
 }
 
-static lv_action_res_t btn_prev(lv_obj_t * btn, lv_dispi_t * dispi)
+static lv_action_res_t mbox_yes_action(lv_obj_t * btn, lv_dispi_t * dispi)
+{
+    lv_obj_t * mbox = lv_mbox_get_from_btn(btn);
+    lv_obj_del(lv_obj_get_parent(mbox));
+}
+
+static lv_action_res_t mbox_no_action(lv_obj_t * btn, lv_dispi_t * dispi)
 {
-    lv_group_focus_prev(g1);
+    lv_obj_t * mbox = lv_mbox_get_from_btn(btn);
+    lv_obj_del(lv_obj_get_parent(mbox));
+}
+
+static lv_action_res_t btn_next(lv_obj_t * btn, lv_dispi_t * dispi)
+{
+    lv_group_focus_next(g);
 
     return LV_ACTION_RES_OK;
 }
 
 
+
 static lv_action_res_t btn_inc(lv_obj_t * btn, lv_dispi_t * dispi)
 {
-    lv_group_send(g1, LV_GROUP_KEY_RIGHT);
+    lv_group_send(g, LV_GROUP_KEY_RIGHT);
     return LV_ACTION_RES_OK;
 }
 
 static lv_action_res_t btn_dec(lv_obj_t * btn, lv_dispi_t * dispi)
 {
-    lv_group_send(g1, LV_GROUP_KEY_LEFT);
+    lv_group_send(g, LV_GROUP_KEY_LEFT);
 
     return LV_ACTION_RES_OK;
 }
 
 static lv_action_res_t btn_sel(lv_obj_t * btn, lv_dispi_t * dispi)
 {
-    lv_group_send(g1, LV_GROUP_KEY_ENTER);
+    lv_group_send(g, LV_GROUP_KEY_ENTER);
 
     return LV_ACTION_RES_OK;
 }