unleashed-firmware/applications/system/js_app/views/console_view.c
2024-07-15 20:02:45 +03:00

165 lines
5.3 KiB
C

#include "../js_app_i.h"
#include "console_font.h"
#define CONSOLE_LINES 8
#define CONSOLE_CHAR_W 5
#define LINE_BREAKS_MAX 3
#define LINE_LEN_MAX (128 / CONSOLE_CHAR_W)
struct JsConsoleView {
View* view;
};
typedef struct {
FuriString* text[CONSOLE_LINES];
} JsConsoleViewModel;
static void console_view_draw_callback(Canvas* canvas, void* _model) {
JsConsoleViewModel* model = _model;
canvas_set_color(canvas, ColorBlack);
canvas_set_custom_u8g2_font(canvas, u8g2_font_spleen5x8_mr);
uint8_t line_h = canvas_current_font_height(canvas);
for(size_t i = 0; i < CONSOLE_LINES; i++) {
canvas_draw_str(canvas, 0, (i + 1) * line_h - 1, furi_string_get_cstr(model->text[i]));
if(furi_string_size(model->text[i]) > LINE_LEN_MAX) {
canvas_set_font(canvas, FontSecondary);
canvas_draw_str(canvas, 128 - 7, (i + 1) * line_h - 1, "...");
canvas_set_custom_u8g2_font(canvas, u8g2_font_spleen5x8_mr);
}
}
}
static bool console_view_input_callback(InputEvent* event, void* context) {
UNUSED(event);
UNUSED(context);
return false;
}
void console_view_push_line(JsConsoleView* console_view, const char* text, bool line_trimmed) {
with_view_model(
console_view->view,
JsConsoleViewModel * model,
{
FuriString* str_temp = model->text[0];
for(size_t i = 0; i < CONSOLE_LINES - 1; i++) {
model->text[i] = model->text[i + 1];
}
if(!line_trimmed) {
furi_string_printf(str_temp, "%.*s", LINE_LEN_MAX, text);
} else {
// Leave some space for dots
furi_string_printf(str_temp, "%.*s ", LINE_LEN_MAX - 1, text);
}
model->text[CONSOLE_LINES - 1] = str_temp;
},
true);
}
void console_view_print(JsConsoleView* console_view, const char* text) {
char line_buf[LINE_LEN_MAX + 1];
uint8_t line_buf_cnt = 0;
uint8_t utf8_bytes_left = 0;
uint8_t line_break_cnt = 0;
bool line_trim = false;
for(size_t i = 0; i < strlen(text); i++) {
if(text[i] & 0x80) { // UTF8 or another non-ascii character byte
if(utf8_bytes_left > 0) {
utf8_bytes_left--;
if(utf8_bytes_left == 0) {
line_buf[line_buf_cnt++] = '?';
}
} else {
if((text[i] & 0xE0) == 0xC0) {
utf8_bytes_left = 1;
} else if((text[i] & 0xF0) == 0xE0) {
utf8_bytes_left = 2;
} else if((text[i] & 0xF8) == 0xF0) {
utf8_bytes_left = 3;
} else {
line_buf[line_buf_cnt++] = '?';
}
}
} else {
if(utf8_bytes_left > 0) {
utf8_bytes_left = 0;
line_buf[line_buf_cnt++] = '?';
if(line_buf_cnt >= LINE_LEN_MAX) {
line_break_cnt++;
if(line_break_cnt >= LINE_BREAKS_MAX) {
line_trim = true;
break;
}
line_buf[line_buf_cnt] = '\0';
console_view_push_line(console_view, line_buf, false);
line_buf_cnt = 1;
line_buf[0] = ' ';
}
}
if(text[i] == '\n') {
line_buf[line_buf_cnt] = '\0';
line_buf_cnt = 0;
console_view_push_line(console_view, line_buf, false);
} else {
line_buf[line_buf_cnt++] = text[i];
}
if(line_buf_cnt >= LINE_LEN_MAX) {
line_break_cnt++;
if(line_break_cnt >= LINE_BREAKS_MAX) {
line_trim = true;
break;
}
line_buf[line_buf_cnt] = '\0';
console_view_push_line(console_view, line_buf, false);
line_buf_cnt = 1;
line_buf[0] = ' ';
}
}
}
if(line_buf_cnt > 0) {
line_buf[line_buf_cnt] = '\0';
console_view_push_line(console_view, line_buf, line_trim);
}
}
JsConsoleView* console_view_alloc(void) {
JsConsoleView* console_view = malloc(sizeof(JsConsoleView));
console_view->view = view_alloc();
view_set_draw_callback(console_view->view, console_view_draw_callback);
view_set_input_callback(console_view->view, console_view_input_callback);
view_allocate_model(console_view->view, ViewModelTypeLocking, sizeof(JsConsoleViewModel));
with_view_model(
console_view->view,
JsConsoleViewModel * model,
{
for(size_t i = 0; i < CONSOLE_LINES; i++) {
model->text[i] = furi_string_alloc();
}
},
true);
return console_view;
}
void console_view_free(JsConsoleView* console_view) {
with_view_model(
console_view->view,
JsConsoleViewModel * model,
{
for(size_t i = 0; i < CONSOLE_LINES; i++) {
furi_string_free(model->text[i]);
}
},
false);
view_free(console_view->view);
free(console_view);
}
View* console_view_get_view(JsConsoleView* console_view) {
return console_view->view;
}