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unleashed-firmware/applications/services/gui/elements.c

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#include "elements.h"
#include <m-core.h>
#include <assets_icons.h>
#include <furi_hal_resources.h>
#include <furi_hal.h>
#include <gui/canvas.h>
#include <gui/icon_i.h>
#include <gui/icon_animation_i.h>
#include <furi.h>
#include <math.h>
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
typedef struct {
int32_t x;
int32_t y;
int32_t leading_min;
int32_t leading_default;
size_t height;
size_t descender;
size_t len;
const char* text;
} ElementTextBoxLine;
void elements_progress_bar(Canvas* canvas, int32_t x, int32_t y, size_t width, float progress) {
furi_check(canvas);
furi_check((progress >= 0.0f) && (progress <= 1.0f));
size_t height = 9;
float progress_width = roundf(progress * (width - 2));
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x + 1, y + 1, width - 2, height - 2);
canvas_set_color(canvas, ColorBlack);
canvas_draw_rframe(canvas, x, y, width, height, 3);
canvas_draw_box(canvas, x + 1, y + 1, progress_width, height - 2);
}
void elements_progress_bar_with_text(
Canvas* canvas,
int32_t x,
int32_t y,
size_t width,
float progress,
const char* text) {
furi_check(canvas);
furi_check((progress >= 0.0f) && (progress <= 1.0f));
size_t height = 11;
float progress_width = roundf(progress * (width - 2));
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x + 1, y + 1, width - 2, height - 2);
canvas_set_color(canvas, ColorBlack);
canvas_draw_rframe(canvas, x, y, width, height, 3);
canvas_draw_box(canvas, x + 1, y + 1, progress_width, height - 2);
canvas_set_color(canvas, ColorXOR);
canvas_set_font(canvas, FontSecondary);
canvas_draw_str_aligned(canvas, x + width / 2, y + 2, AlignCenter, AlignTop, text);
}
void elements_scrollbar_pos(
Canvas* canvas,
int32_t x,
int32_t y,
size_t height,
size_t pos,
size_t total) {
furi_check(canvas);
// prevent overflows
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x - 3, y, 3, height);
// dot line
canvas_set_color(canvas, ColorBlack);
for(int32_t i = y; i < (int32_t)height + y; i += 2) {
canvas_draw_dot(canvas, x - 2, i);
}
// Position block
if(total) {
float block_h = ((float)height) / total;
canvas_draw_box(canvas, x - 3, y + (block_h * pos), 3, MAX(block_h, 1));
}
}
void elements_scrollbar(Canvas* canvas, size_t pos, size_t total) {
furi_check(canvas);
size_t width = canvas_width(canvas);
size_t height = canvas_height(canvas);
// prevent overflows
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, width - 3, 0, 3, height);
// dot line
canvas_set_color(canvas, ColorBlack);
for(size_t i = 0; i < height; i += 2) {
canvas_draw_dot(canvas, width - 2, i);
}
// Position block
if(total) {
float block_h = ((float)height) / total;
canvas_draw_box(canvas, width - 3, block_h * pos, 3, MAX(block_h, 1));
}
}
void elements_frame(Canvas* canvas, int32_t x, int32_t y, size_t width, size_t height) {
furi_check(canvas);
canvas_draw_line(canvas, x + 2, y, x + width - 2, y);
canvas_draw_line(canvas, x + 1, y + height - 1, x + width, y + height - 1);
canvas_draw_line(canvas, x + 2, y + height, x + width - 1, y + height);
canvas_draw_line(canvas, x, y + 2, x, y + height - 2);
canvas_draw_line(canvas, x + width - 1, y + 1, x + width - 1, y + height - 2);
canvas_draw_line(canvas, x + width, y + 2, x + width, y + height - 2);
canvas_draw_dot(canvas, x + 1, y + 1);
}
void elements_button_left(Canvas* canvas, const char* str) {
furi_check(canvas);
const size_t button_height = 12;
const size_t vertical_offset = 3;
const size_t horizontal_offset = 3;
const size_t string_width = canvas_string_width(canvas, str);
const Icon* icon = &I_ButtonLeft_4x7;
const int32_t icon_h_offset = 3;
const int32_t icon_width_with_offset = icon->width + icon_h_offset;
const int32_t icon_v_offset = icon->height + vertical_offset;
const size_t button_width = string_width + horizontal_offset * 2 + icon_width_with_offset;
const int32_t x = 0;
const int32_t y = canvas_height(canvas);
canvas_draw_box(canvas, x, y - button_height, button_width, button_height);
canvas_draw_line(canvas, x + button_width + 0, y, x + button_width + 0, y - button_height + 0);
canvas_draw_line(canvas, x + button_width + 1, y, x + button_width + 1, y - button_height + 1);
canvas_draw_line(canvas, x + button_width + 2, y, x + button_width + 2, y - button_height + 2);
canvas_invert_color(canvas);
canvas_draw_icon(canvas, x + horizontal_offset, y - icon_v_offset, &I_ButtonLeft_4x7);
canvas_draw_str(
canvas, x + horizontal_offset + icon_width_with_offset, y - vertical_offset, str);
canvas_invert_color(canvas);
}
void elements_button_right(Canvas* canvas, const char* str) {
furi_check(canvas);
const size_t button_height = 12;
const size_t vertical_offset = 3;
const size_t horizontal_offset = 3;
const size_t string_width = canvas_string_width(canvas, str);
const Icon* icon = &I_ButtonRight_4x7;
const int32_t icon_h_offset = 3;
const int32_t icon_width_with_offset = icon->width + icon_h_offset;
const int32_t icon_v_offset = icon->height + vertical_offset;
const size_t button_width = string_width + horizontal_offset * 2 + icon_width_with_offset;
const int32_t x = canvas_width(canvas);
const int32_t y = canvas_height(canvas);
canvas_draw_box(canvas, x - button_width, y - button_height, button_width, button_height);
canvas_draw_line(canvas, x - button_width - 1, y, x - button_width - 1, y - button_height + 0);
canvas_draw_line(canvas, x - button_width - 2, y, x - button_width - 2, y - button_height + 1);
canvas_draw_line(canvas, x - button_width - 3, y, x - button_width - 3, y - button_height + 2);
canvas_invert_color(canvas);
canvas_draw_str(canvas, x - button_width + horizontal_offset, y - vertical_offset, str);
canvas_draw_icon(
canvas, x - horizontal_offset - icon->width, y - icon_v_offset, &I_ButtonRight_4x7);
canvas_invert_color(canvas);
}
void elements_button_center(Canvas* canvas, const char* str) {
furi_check(canvas);
const size_t button_height = 12;
const size_t vertical_offset = 3;
const size_t horizontal_offset = 1;
const size_t string_width = canvas_string_width(canvas, str);
const Icon* icon = &I_ButtonCenter_7x7;
const int32_t icon_h_offset = 3;
const int32_t icon_width_with_offset = icon->width + icon_h_offset;
const int32_t icon_v_offset = icon->height + vertical_offset;
const size_t button_width = string_width + horizontal_offset * 2 + icon_width_with_offset;
const int32_t x = (canvas_width(canvas) - button_width) / 2;
const int32_t y = canvas_height(canvas);
canvas_draw_box(canvas, x, y - button_height, button_width, button_height);
canvas_draw_line(canvas, x - 1, y, x - 1, y - button_height + 0);
canvas_draw_line(canvas, x - 2, y, x - 2, y - button_height + 1);
canvas_draw_line(canvas, x - 3, y, x - 3, y - button_height + 2);
canvas_draw_line(canvas, x + button_width + 0, y, x + button_width + 0, y - button_height + 0);
canvas_draw_line(canvas, x + button_width + 1, y, x + button_width + 1, y - button_height + 1);
canvas_draw_line(canvas, x + button_width + 2, y, x + button_width + 2, y - button_height + 2);
canvas_invert_color(canvas);
canvas_draw_icon(canvas, x + horizontal_offset, y - icon_v_offset, &I_ButtonCenter_7x7);
canvas_draw_str(
canvas, x + horizontal_offset + icon_width_with_offset, y - vertical_offset, str);
canvas_invert_color(canvas);
}
static size_t
elements_get_max_chars_to_fit(Canvas* canvas, Align horizontal, const char* text, int32_t x) {
const char* end = strchr(text, '\n');
if(end == NULL) {
end = text + strlen(text);
}
size_t text_size = end - text;
FuriString* str;
str = furi_string_alloc_set(text);
furi_string_left(str, text_size);
size_t result = 0;
size_t len_px = canvas_string_width(canvas, furi_string_get_cstr(str));
size_t px_left = 0;
if(horizontal == AlignCenter) {
if(x > (int32_t)(canvas_width(canvas) / 2)) {
px_left = (canvas_width(canvas) - x) * 2;
} else {
px_left = x * 2;
}
} else if(horizontal == AlignLeft) {
px_left = canvas_width(canvas) - x;
} else if(horizontal == AlignRight) {
px_left = x;
} else {
furi_crash();
}
if(len_px > px_left) {
size_t excess_symbols_approximately =
ceilf((float)(len_px - px_left) / ((float)len_px / (float)text_size));
// reduce to 5 to be sure dash fit, and next line will be at least 5 symbols long
if(excess_symbols_approximately > 0) {
excess_symbols_approximately = MAX(excess_symbols_approximately, 5u);
result = text_size - excess_symbols_approximately - 1;
} else {
result = text_size;
}
} else {
result = text_size;
}
furi_string_free(str);
return result;
}
void elements_multiline_text_aligned(
Canvas* canvas,
int32_t x,
int32_t y,
Align horizontal,
Align vertical,
const char* text) {
furi_check(canvas);
furi_check(text);
size_t lines_count = 0;
size_t font_height = canvas_current_font_height(canvas);
FuriString* line;
/* go through text line by line and count lines */
for(const char* start = text; start[0];) {
size_t chars_fit = elements_get_max_chars_to_fit(canvas, horizontal, start, x);
++lines_count;
start += chars_fit;
start += start[0] == '\n' ? 1 : 0;
}
if(vertical == AlignBottom) {
y -= font_height * (lines_count - 1);
} else if(vertical == AlignCenter) {
y -= (font_height * (lines_count - 1)) / 2;
}
/* go through text line by line and print them */
for(const char* start = text; start[0];) {
size_t chars_fit = elements_get_max_chars_to_fit(canvas, horizontal, start, x);
if((start[chars_fit] == '\n') || (start[chars_fit] == 0)) {
line = furi_string_alloc_printf("%.*s", chars_fit, start);
} else if((y + font_height) > canvas_height(canvas)) {
line = furi_string_alloc_printf("%.*s...\n", chars_fit, start);
} else {
chars_fit -= 1; // account for the dash
line = furi_string_alloc_printf("%.*s-\n", chars_fit, start);
}
canvas_draw_str_aligned(canvas, x, y, horizontal, vertical, furi_string_get_cstr(line));
furi_string_free(line);
y += font_height;
if(y > (int32_t)canvas_height(canvas)) {
break;
}
start += chars_fit;
start += start[0] == '\n' ? 1 : 0;
}
}
void elements_multiline_text(Canvas* canvas, int32_t x, int32_t y, const char* text) {
furi_check(canvas);
furi_check(text);
size_t font_height = canvas_current_font_height(canvas);
FuriString* str;
str = furi_string_alloc();
const char* start = text;
char* end;
do {
end = strchr(start, '\n');
if(end) {
furi_string_set_strn(str, start, end - start);
start = end + 1;
} else {
furi_string_set(str, start);
}
canvas_draw_str(canvas, x, y, furi_string_get_cstr(str));
y += font_height;
} while(end && y < 64);
furi_string_free(str);
}
void elements_multiline_text_framed(Canvas* canvas, int32_t x, int32_t y, const char* text) {
furi_check(canvas);
furi_check(text);
size_t font_height = canvas_current_font_height(canvas);
size_t str_width = canvas_string_width(canvas, text);
// count \n's
size_t lines = 1;
const char* t = text;
while(*t != '\0') {
if(*t == '\n') {
lines++;
size_t temp_width = canvas_string_width(canvas, t + 1);
str_width = temp_width > str_width ? temp_width : str_width;
}
t++;
}
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x, y - font_height, str_width + 8, font_height * lines + 4);
canvas_set_color(canvas, ColorBlack);
elements_multiline_text(canvas, x + 4, y - 1, text);
elements_frame(canvas, x, y - font_height, str_width + 8, font_height * lines + 4);
}
void elements_slightly_rounded_frame(
Canvas* canvas,
int32_t x,
int32_t y,
size_t width,
size_t height) {
furi_check(canvas);
canvas_draw_rframe(canvas, x, y, width, height, 1);
}
void elements_slightly_rounded_box(
Canvas* canvas,
int32_t x,
int32_t y,
size_t width,
size_t height) {
furi_check(canvas);
canvas_draw_rbox(canvas, x, y, width, height, 1);
}
void elements_bold_rounded_frame(Canvas* canvas, int32_t x, int32_t y, size_t width, size_t height) {
furi_check(canvas);
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x + 2, y + 2, width - 3, height - 3);
canvas_set_color(canvas, ColorBlack);
canvas_draw_line(canvas, x + 3, y, x + width - 3, y);
canvas_draw_line(canvas, x + 2, y + 1, x + width - 2, y + 1);
canvas_draw_line(canvas, x, y + 3, x, y + height - 3);
canvas_draw_line(canvas, x + 1, y + 2, x + 1, y + height - 2);
canvas_draw_line(canvas, x + width, y + 3, x + width, y + height - 3);
canvas_draw_line(canvas, x + width - 1, y + 2, x + width - 1, y + height - 2);
canvas_draw_line(canvas, x + 3, y + height, x + width - 3, y + height);
canvas_draw_line(canvas, x + 2, y + height - 1, x + width - 2, y + height - 1);
canvas_draw_dot(canvas, x + 2, y + 2);
canvas_draw_dot(canvas, x + 3, y + 2);
canvas_draw_dot(canvas, x + 2, y + 3);
canvas_draw_dot(canvas, x + width - 2, y + 2);
canvas_draw_dot(canvas, x + width - 3, y + 2);
canvas_draw_dot(canvas, x + width - 2, y + 3);
canvas_draw_dot(canvas, x + 2, y + height - 2);
canvas_draw_dot(canvas, x + 3, y + height - 2);
canvas_draw_dot(canvas, x + 2, y + height - 3);
canvas_draw_dot(canvas, x + width - 2, y + height - 2);
canvas_draw_dot(canvas, x + width - 3, y + height - 2);
canvas_draw_dot(canvas, x + width - 2, y + height - 3);
}
void elements_bubble(Canvas* canvas, int32_t x, int32_t y, size_t width, size_t height) {
furi_check(canvas);
canvas_draw_rframe(canvas, x + 4, y, width, height, 3);
int32_t y_corner = y + height * 2 / 3;
canvas_draw_line(canvas, x, y_corner, x + 4, y_corner - 4);
canvas_draw_line(canvas, x, y_corner, x + 4, y_corner + 4);
canvas_set_color(canvas, ColorWhite);
canvas_draw_line(canvas, x + 4, y_corner - 3, x + 4, y_corner + 3);
canvas_set_color(canvas, ColorBlack);
}
void elements_bubble_str(
Canvas* canvas,
int32_t x,
int32_t y,
const char* text,
Align horizontal,
Align vertical) {
furi_check(canvas);
furi_check(text);
size_t font_height = canvas_current_font_height(canvas);
size_t str_width = canvas_string_width(canvas, text);
// count \n's
size_t lines = 1;
const char* t = text;
while(*t != '\0') {
if(*t == '\n') {
lines++;
size_t temp_width = canvas_string_width(canvas, t + 1);
str_width = temp_width > str_width ? temp_width : str_width;
}
t++;
}
int32_t frame_x = x;
int32_t frame_y = y;
size_t frame_width = str_width + 8;
size_t frame_height = font_height * lines + 4;
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, frame_x + 1, frame_y + 1, frame_width - 2, frame_height - 2);
canvas_set_color(canvas, ColorBlack);
canvas_draw_rframe(canvas, frame_x, frame_y, frame_width, frame_height, 1);
elements_multiline_text(canvas, x + 4, y - 1 + font_height, text);
int32_t x1 = 0;
int32_t x2 = 0;
int32_t x3 = 0;
int32_t y1 = 0;
int32_t y2 = 0;
int32_t y3 = 0;
if((horizontal == AlignLeft) && (vertical == AlignTop)) {
x1 = frame_x;
y1 = frame_y;
x2 = frame_x - 4;
y2 = frame_y;
x3 = frame_x;
y3 = frame_y + 4;
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x2 + 2, y2 + 1, 2, 2);
canvas_set_color(canvas, ColorBlack);
} else if((horizontal == AlignLeft) && (vertical == AlignCenter)) {
x1 = frame_x;
y1 = frame_y + (frame_height - 1) / 2 - 4;
x2 = frame_x - 4;
y2 = frame_y + (frame_height - 1) / 2;
x3 = frame_x;
y3 = frame_y + (frame_height - 1) / 2 + 4;
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x2 + 2, y2 - 2, 2, 5);
canvas_draw_dot(canvas, x2 + 1, y2);
canvas_set_color(canvas, ColorBlack);
} else if((horizontal == AlignLeft) && (vertical == AlignBottom)) {
x1 = frame_x;
y1 = frame_y + (frame_height - 1) - 4;
x2 = frame_x - 4;
y2 = frame_y + (frame_height - 1);
x3 = frame_x;
y3 = frame_y + (frame_height - 1);
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x2 + 2, y2 - 2, 2, 2);
canvas_set_color(canvas, ColorBlack);
} else if((horizontal == AlignRight) && (vertical == AlignTop)) {
x1 = frame_x + (frame_width - 1);
y1 = frame_y;
x2 = frame_x + (frame_width - 1) + 4;
y2 = frame_y;
x3 = frame_x + (frame_width - 1);
y3 = frame_y + 4;
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x2 - 3, y2 + 1, 2, 2);
canvas_set_color(canvas, ColorBlack);
} else if((horizontal == AlignRight) && (vertical == AlignCenter)) {
x1 = frame_x + (frame_width - 1);
y1 = frame_y + (frame_height - 1) / 2 - 4;
x2 = frame_x + (frame_width - 1) + 4;
y2 = frame_y + (frame_height - 1) / 2;
x3 = frame_x + (frame_width - 1);
y3 = frame_y + (frame_height - 1) / 2 + 4;
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x2 - 3, y2 - 2, 2, 5);
canvas_draw_dot(canvas, x2 - 1, y2);
canvas_set_color(canvas, ColorBlack);
} else if((horizontal == AlignRight) && (vertical == AlignBottom)) {
x1 = frame_x + (frame_width - 1);
y1 = frame_y + (frame_height - 1) - 4;
x2 = frame_x + (frame_width - 1) + 4;
y2 = frame_y + (frame_height - 1);
x3 = frame_x + (frame_width - 1);
y3 = frame_y + (frame_height - 1);
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x2 - 3, y2 - 2, 2, 2);
canvas_set_color(canvas, ColorBlack);
} else if((horizontal == AlignCenter) && (vertical == AlignTop)) {
x1 = frame_x + (frame_width - 1) / 2 - 4;
y1 = frame_y;
x2 = frame_x + (frame_width - 1) / 2;
y2 = frame_y - 4;
x3 = frame_x + (frame_width - 1) / 2 + 4;
y3 = frame_y;
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x2 - 2, y2 + 2, 5, 2);
canvas_draw_dot(canvas, x2, y2 + 1);
canvas_set_color(canvas, ColorBlack);
} else if((horizontal == AlignCenter) && (vertical == AlignBottom)) {
x1 = frame_x + (frame_width - 1) / 2 - 4;
y1 = frame_y + (frame_height - 1);
x2 = frame_x + (frame_width - 1) / 2;
y2 = frame_y + (frame_height - 1) + 4;
x3 = frame_x + (frame_width - 1) / 2 + 4;
y3 = frame_y + (frame_height - 1);
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, x2 - 2, y2 - 3, 5, 2);
canvas_draw_dot(canvas, x2, y2 - 1);
canvas_set_color(canvas, ColorBlack);
}
canvas_set_color(canvas, ColorWhite);
canvas_draw_line(canvas, x3, y3, x1, y1);
canvas_set_color(canvas, ColorBlack);
canvas_draw_line(canvas, x1, y1, x2, y2);
canvas_draw_line(canvas, x2, y2, x3, y3);
}
void elements_string_fit_width(Canvas* canvas, FuriString* string, size_t width) {
furi_check(canvas);
furi_check(string);
size_t len_px = canvas_string_width(canvas, furi_string_get_cstr(string));
if(len_px > width) {
width -= canvas_string_width(canvas, "...");
do {
furi_string_left(string, furi_string_size(string) - 1);
len_px = canvas_string_width(canvas, furi_string_get_cstr(string));
} while(len_px > width);
furi_string_cat(string, "...");
}
}
void elements_scrollable_text_line_str(
Canvas* canvas,
uint8_t x,
uint8_t y,
uint8_t width,
const char* string,
size_t scroll,
bool ellipsis,
bool centered) {
FuriString* line = furi_string_alloc_set_str(string);
size_t len_px = canvas_string_width(canvas, furi_string_get_cstr(line));
if(len_px > width) {
if(centered) {
centered = false;
x -= width / 2;
}
if(ellipsis) {
width -= canvas_string_width(canvas, "...");
}
// Calculate scroll size
size_t scroll_size = furi_string_size(line);
size_t right_width = 0;
for(size_t i = scroll_size - 1; i > 0; i--) {
right_width += canvas_glyph_width(canvas, furi_string_get_char(line, i));
if(right_width > width) break;
scroll_size--;
if(!scroll_size) break;
}
// Ensure that we have something to scroll
if(scroll_size) {
scroll_size += 3;
scroll = scroll % scroll_size;
furi_string_right(line, scroll);
}
len_px = canvas_string_width(canvas, furi_string_get_cstr(line));
while(len_px > width) {
furi_string_left(line, furi_string_size(line) - 1);
len_px = canvas_string_width(canvas, furi_string_get_cstr(line));
}
if(ellipsis) {
furi_string_cat(line, "...");
}
}
if(centered) {
canvas_draw_str_aligned(
canvas, x, y, AlignCenter, AlignBottom, furi_string_get_cstr(line));
} else {
canvas_draw_str(canvas, x, y, furi_string_get_cstr(line));
}
furi_string_free(line);
}
void elements_scrollable_text_line(
Canvas* canvas,
int32_t x,
int32_t y,
size_t width,
FuriString* string,
size_t scroll,
bool ellipsis) {
furi_check(canvas);
furi_check(string);
FuriString* line = furi_string_alloc_set(string);
size_t len_px = canvas_string_width(canvas, furi_string_get_cstr(line));
if(len_px > width) {
if(ellipsis) {
width -= canvas_string_width(canvas, "...");
}
// Calculate scroll size
size_t scroll_size = furi_string_size(line);
size_t right_width = 0;
for(size_t i = scroll_size; i > 0; i--) {
right_width += canvas_glyph_width(canvas, furi_string_get_char(line, i));
if(right_width > width) break;
scroll_size--;
if(!scroll_size) break;
}
// Ensure that we have something to scroll
if(scroll_size) {
scroll_size += 3;
scroll = scroll % scroll_size;
furi_string_right(line, scroll);
}
len_px = canvas_string_width(canvas, furi_string_get_cstr(line));
while(len_px > width) {
furi_string_left(line, furi_string_size(line) - 1);
len_px = canvas_string_width(canvas, furi_string_get_cstr(line));
}
if(ellipsis) {
furi_string_cat(line, "...");
}
}
canvas_draw_str(canvas, x, y, furi_string_get_cstr(line));
furi_string_free(line);
}
void elements_text_box(
Canvas* canvas,
int32_t x,
int32_t y,
size_t width,
size_t height,
Align horizontal,
Align vertical,
const char* text,
bool strip_to_dots) {
furi_check(canvas);
ElementTextBoxLine line[ELEMENTS_MAX_LINES_NUM];
bool bold = false;
bool mono = false;
bool inverse = false;
bool inverse_present = false;
Font current_font = FontSecondary;
Font prev_font = FontSecondary;
const CanvasFontParameters* font_params = canvas_get_font_params(canvas, current_font);
// Fill line parameters
size_t line_leading_min = font_params->leading_min;
size_t line_leading_default = font_params->leading_default;
size_t line_height = font_params->height;
size_t line_descender = font_params->descender;
size_t line_num = 0;
size_t line_width = 0;
size_t line_len = 0;
size_t total_height_min = 0;
size_t total_height_default = 0;
size_t i = 0;
bool full_text_processed = false;
size_t dots_width = canvas_string_width(canvas, "...");
canvas_set_font(canvas, FontSecondary);
// Fill all lines
line[0].text = text;
for(i = 0; !full_text_processed; i++) {
line_len++;
// Identify line height
if(prev_font != current_font) {
font_params = canvas_get_font_params(canvas, current_font);
line_leading_min = MAX(line_leading_min, font_params->leading_min);
line_leading_default = MAX(line_leading_default, font_params->leading_default);
line_height = MAX(line_height, font_params->height);
line_descender = MAX(line_descender, font_params->descender);
prev_font = current_font;
}
// Set the font
if(text[i] == '\e' && text[i + 1]) {
i++;
line_len++;
if(text[i] == ELEMENTS_BOLD_MARKER) {
if(bold) {
current_font = FontSecondary;
} else {
current_font = FontPrimary;
}
canvas_set_font(canvas, current_font);
bold = !bold;
}
if(text[i] == ELEMENTS_MONO_MARKER) {
if(mono) {
current_font = FontSecondary;
} else {
current_font = FontKeyboard;
}
canvas_set_font(canvas, FontKeyboard);
mono = !mono;
}
if(text[i] == ELEMENTS_INVERSE_MARKER) {
inverse_present = true;
}
continue;
}
if(text[i] != '\n') {
line_width += canvas_glyph_width(canvas, text[i]);
}
// Process new line
if(text[i] == '\n' || text[i] == '\0' || line_width > width) {
if(line_width > width) {
line_width -= canvas_glyph_width(canvas, text[i--]);
line_len--;
}
if(text[i] == '\0') {
full_text_processed = true;
}
if(inverse_present) {
line_leading_min += 1;
line_leading_default += 1;
inverse_present = false;
}
line[line_num].leading_min = line_leading_min;
line[line_num].leading_default = line_leading_default;
line[line_num].height = line_height;
line[line_num].descender = line_descender;
if(total_height_min + line_leading_min > height) {
break;
}
total_height_min += line_leading_min;
total_height_default += line_leading_default;
line[line_num].len = line_len;
if(horizontal == AlignCenter) {
line[line_num].x = x + (width - line_width) / 2;
} else if(horizontal == AlignRight) {
line[line_num].x = x + (width - line_width);
} else {
line[line_num].x = x;
}
line[line_num].y = total_height_min;
line_num++;
if(!full_text_processed) {
line[line_num].text = &text[i + 1];
}
line_leading_min = font_params->leading_min;
line_height = font_params->height;
line_descender = font_params->descender;
line_width = 0;
line_len = 0;
}
}
// Set vertical alignment for all lines
if(total_height_default < height) {
if(vertical == AlignTop) {
line[0].y = y + line[0].height;
} else if(vertical == AlignCenter) {
line[0].y = y + line[0].height + (height - total_height_default) / 2;
} else if(vertical == AlignBottom) {
line[0].y = y + line[0].height + (height - total_height_default);
}
if(line_num > 1) {
for(size_t i = 1; i < line_num; i++) {
line[i].y = line[i - 1].y + line[i - 1].leading_default;
}
}
} else if(line_num > 1) {
size_t free_pixel_num = height - total_height_min;
size_t fill_pixel = 0;
size_t j = 1;
line[0].y = y + line[0].height;
while(fill_pixel < free_pixel_num) {
line[j].y = line[j - 1].y + line[j - 1].leading_min + 1;
fill_pixel++;
j = j % (line_num - 1) + 1;
}
}
// Draw line by line
canvas_set_font(canvas, FontSecondary);
bold = false;
mono = false;
inverse = false;
for(size_t i = 0; i < line_num; i++) {
for(size_t j = 0; j < line[i].len; j++) {
// Process format symbols
if(line[i].text[j] == '\e' && j < line[i].len - 1) {
++j;
if(line[i].text[j] == ELEMENTS_BOLD_MARKER) {
if(bold) {
current_font = FontSecondary;
} else {
current_font = FontPrimary;
}
canvas_set_font(canvas, current_font);
bold = !bold;
continue;
}
if(line[i].text[j] == ELEMENTS_MONO_MARKER) {
if(mono) {
current_font = FontSecondary;
} else {
current_font = FontKeyboard;
}
canvas_set_font(canvas, current_font);
mono = !mono;
continue;
}
if(line[i].text[j] == ELEMENTS_INVERSE_MARKER) {
inverse = !inverse;
continue;
}
}
if(inverse) {
canvas_draw_box(
canvas,
line[i].x - 1,
line[i].y - line[i].height - 1,
canvas_glyph_width(canvas, line[i].text[j]) + 1,
line[i].height + line[i].descender + 2);
canvas_invert_color(canvas);
canvas_draw_glyph(canvas, line[i].x, line[i].y, line[i].text[j]);
canvas_invert_color(canvas);
} else {
if((i == line_num - 1) && strip_to_dots) {
size_t next_symbol_width = canvas_glyph_width(canvas, line[i].text[j]);
if((line[i].x + (int32_t)next_symbol_width + (int32_t)dots_width) >
(x + (int32_t)width)) {
canvas_draw_str(canvas, line[i].x, line[i].y, "...");
break;
}
}
canvas_draw_glyph(canvas, line[i].x, line[i].y, line[i].text[j]);
}
line[i].x += canvas_glyph_width(canvas, line[i].text[j]);
}
}
canvas_set_font(canvas, FontSecondary);
}
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