1  #include "display_screen_ui_common.h"
 2  
 3  #define STATUS_WIDGET_STRING_SIZE 16
 4  
 5  static lv_obj_t* status_widget = NULL;
 6  static char statusBuffer[STATUS_WIDGET_STRING_SIZE] = { 0 };
 7  
 8  lv_obj_t* ui_status_widget_get(lv_obj_t* parent)
 9  {
10  	if (status_widget != NULL)
11  	{
12  		lv_obj_set_parent(status_widget, parent);
13  	}
14  	else
15  	{
16  		status_widget = lv_label_create(parent, NULL);
17  	}
18  
19  	//ui_common_set_label_font_theme_small(status_widget);
20  	lv_label_set_long_mode(status_widget, LV_LABEL_LONG_CROP);
21  	lv_label_set_align(status_widget, LV_LABEL_ALIGN_RIGHT);
22  	lv_obj_set_width_fit(status_widget, lv_obj_get_width(parent));
23  	lv_obj_align(status_widget, parent, LV_ALIGN_IN_TOP_LEFT, 0, 0);
24  	lv_label_set_text(status_widget, statusBuffer);
25  
26  	return status_widget;
27  }
28  
29  void ui_status_widget_set_percentage(uint8_t battery_percent, bool is_charging)
30  {
31  	char* battery_char = NULL;
32  
33  	if (battery_percent < 20)
34  	{
35  		battery_char = LV_SYMBOL_BATTERY_EMPTY;
36  	}
37  	else if (battery_percent < 50)
38  	{
39  		battery_char = LV_SYMBOL_BATTERY_1;
40  	}
41  	else if (battery_percent < 75)
42  	{
43  		battery_char = LV_SYMBOL_BATTERY_2;
44  	}
45  	else if (battery_percent < 90)
46  	{
47  		battery_char = LV_SYMBOL_BATTERY_3;
48  	}
49  	else
50  	{
51  		battery_char = LV_SYMBOL_BATTERY_FULL;
52  	}
53  
54  	// Status widget format:
55  	// %s - The charge symbol (if is charging, otherwise, as space)
56  	// ' ' - A single space between the charge symbol and the battery symbol
57  	// %s - The battery SoC symbol, as defined by the percentages above.
58  	// ' ' -Another space, to move the content away from the right edge of the screen.
59  	static const char* const STATUS_WIDGET_FORMAT = "%s %s ";
60  
61  	lv_snprintf(statusBuffer, STATUS_WIDGET_STRING_SIZE, STATUS_WIDGET_FORMAT,
62  		is_charging ? LV_SYMBOL_CHARGE : " ", // show a symbol if we're charging
63  		battery_char // show the current battery state
64  	);
65  
66  	lv_label_set_text(status_widget, statusBuffer);
67  }