unleashed-firmware/applications/services/gui/modules/text_input.c

645 lines
19 KiB
C

#include "text_input.h"
#include <gui/elements.h>
#include <assets_icons.h>
#include <furi.h>
struct TextInput {
View* view;
FuriTimer* timer;
};
typedef struct {
const char text;
const uint8_t x;
const uint8_t y;
} TextInputKey;
typedef struct {
const char* header;
char* text_buffer;
size_t text_buffer_size;
size_t minimum_length;
bool clear_default_text;
bool cursor_select;
size_t cursor_pos;
TextInputCallback callback;
void* callback_context;
uint8_t selected_row;
uint8_t selected_column;
TextInputValidatorCallback validator_callback;
void* validator_callback_context;
FuriString* validator_text;
bool validator_message_visible;
} TextInputModel;
static const uint8_t keyboard_origin_x = 1;
static const uint8_t keyboard_origin_y = 29;
static const uint8_t keyboard_row_count = 3;
#define ENTER_KEY '\r'
#define BACKSPACE_KEY '\b'
static const TextInputKey keyboard_keys_row_1[] = {
{'q', 1, 8},
{'w', 10, 8},
{'e', 19, 8},
{'r', 28, 8},
{'t', 37, 8},
{'y', 46, 8},
{'u', 55, 8},
{'i', 64, 8},
{'o', 73, 8},
{'p', 82, 8},
{'0', 91, 8},
{'1', 100, 8},
{'2', 110, 8},
{'3', 120, 8},
};
static const TextInputKey keyboard_keys_row_2[] = {
{'a', 1, 20},
{'s', 10, 20},
{'d', 19, 20},
{'f', 28, 20},
{'g', 37, 20},
{'h', 46, 20},
{'j', 55, 20},
{'k', 64, 20},
{'l', 73, 20},
{BACKSPACE_KEY, 82, 12},
{'4', 100, 20},
{'5', 110, 20},
{'6', 120, 20},
};
static const TextInputKey keyboard_keys_row_3[] = {
{'z', 1, 32},
{'x', 10, 32},
{'c', 19, 32},
{'v', 28, 32},
{'b', 37, 32},
{'n', 46, 32},
{'m', 55, 32},
{'_', 64, 32},
{ENTER_KEY, 74, 23},
{'7', 100, 32},
{'8', 110, 32},
{'9', 120, 32},
};
static uint8_t get_row_size(uint8_t row_index) {
uint8_t row_size = 0;
switch(row_index + 1) {
case 1:
row_size = COUNT_OF(keyboard_keys_row_1);
break;
case 2:
row_size = COUNT_OF(keyboard_keys_row_2);
break;
case 3:
row_size = COUNT_OF(keyboard_keys_row_3);
break;
default:
furi_crash(NULL);
}
return row_size;
}
static const TextInputKey* get_row(uint8_t row_index) {
const TextInputKey* row = NULL;
switch(row_index + 1) {
case 1:
row = keyboard_keys_row_1;
break;
case 2:
row = keyboard_keys_row_2;
break;
case 3:
row = keyboard_keys_row_3;
break;
default:
furi_crash(NULL);
}
return row;
}
static char get_selected_char(TextInputModel* model) {
return get_row(model->selected_row)[model->selected_column].text;
}
static bool char_is_lowercase(char letter) {
return (letter >= 0x61 && letter <= 0x7A);
}
static char char_to_uppercase(const char letter) {
if(letter == '_') {
return 0x20;
} else if(char_is_lowercase(letter)) {
return (letter - 0x20);
} else {
return letter;
}
}
static void text_input_backspace_cb(TextInputModel* model) {
if(model->clear_default_text) {
model->text_buffer[0] = 0;
model->cursor_pos = 0;
} else if(model->cursor_pos > 0) {
char* move = model->text_buffer + model->cursor_pos;
memmove(move - 1, move, strlen(move) + 1);
model->cursor_pos--;
}
}
static void text_input_view_draw_callback(Canvas* canvas, void* _model) {
TextInputModel* model = _model;
uint8_t text_length = model->text_buffer ? strlen(model->text_buffer) : 0;
uint8_t needed_string_width = canvas_width(canvas) - 8;
uint8_t start_pos = 4;
model->cursor_pos = model->cursor_pos > text_length ? text_length : model->cursor_pos;
size_t cursor_pos = model->cursor_pos;
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
canvas_draw_str(canvas, 2, 8, model->header);
elements_slightly_rounded_frame(canvas, 1, 12, 126, 15);
char buf[text_length + 1];
if(model->text_buffer) {
strlcpy(buf, model->text_buffer, sizeof(buf));
}
char* str = buf;
if(model->clear_default_text) {
elements_slightly_rounded_box(
canvas, start_pos - 1, 14, canvas_string_width(canvas, str) + 2, 10);
canvas_set_color(canvas, ColorWhite);
} else {
char* move = str + cursor_pos;
memmove(move + 1, move, strlen(move) + 1);
str[cursor_pos] = '|';
}
if(cursor_pos > 0 && canvas_string_width(canvas, str) > needed_string_width) {
canvas_draw_str(canvas, start_pos, 22, "...");
start_pos += 6;
needed_string_width -= 8;
for(uint32_t off = 0;
strlen(str) && canvas_string_width(canvas, str) > needed_string_width &&
off < cursor_pos;
off++) {
str++;
}
}
if(canvas_string_width(canvas, str) > needed_string_width) {
needed_string_width -= 4;
size_t len = strlen(str);
while(len && canvas_string_width(canvas, str) > needed_string_width) {
str[len--] = '\0';
}
strcat(str, "...");
}
canvas_draw_str(canvas, start_pos, 22, str);
canvas_set_font(canvas, FontKeyboard);
for(uint8_t row = 0; row < keyboard_row_count; row++) {
const uint8_t column_count = get_row_size(row);
const TextInputKey* keys = get_row(row);
for(size_t column = 0; column < column_count; column++) {
bool selected = !model->cursor_select && model->selected_row == row &&
model->selected_column == column;
if(keys[column].text == ENTER_KEY) {
canvas_set_color(canvas, ColorBlack);
if(selected) {
canvas_draw_icon(
canvas,
keyboard_origin_x + keys[column].x,
keyboard_origin_y + keys[column].y,
&I_KeySaveSelected_24x11);
} else {
canvas_draw_icon(
canvas,
keyboard_origin_x + keys[column].x,
keyboard_origin_y + keys[column].y,
&I_KeySave_24x11);
}
} else if(keys[column].text == BACKSPACE_KEY) {
canvas_set_color(canvas, ColorBlack);
if(selected) {
canvas_draw_icon(
canvas,
keyboard_origin_x + keys[column].x,
keyboard_origin_y + keys[column].y,
&I_KeyBackspaceSelected_16x9);
} else {
canvas_draw_icon(
canvas,
keyboard_origin_x + keys[column].x,
keyboard_origin_y + keys[column].y,
&I_KeyBackspace_16x9);
}
} else {
if(selected) {
canvas_set_color(canvas, ColorBlack);
canvas_draw_box(
canvas,
keyboard_origin_x + keys[column].x - 1,
keyboard_origin_y + keys[column].y - 8,
7,
10);
canvas_set_color(canvas, ColorWhite);
} else {
canvas_set_color(canvas, ColorBlack);
}
if(model->clear_default_text || text_length == 0) {
canvas_draw_glyph(
canvas,
keyboard_origin_x + keys[column].x,
keyboard_origin_y + keys[column].y,
char_to_uppercase(keys[column].text));
} else {
canvas_draw_glyph(
canvas,
keyboard_origin_x + keys[column].x,
keyboard_origin_y + keys[column].y,
keys[column].text);
}
}
}
}
if(model->validator_message_visible) {
canvas_set_font(canvas, FontSecondary);
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, 8, 10, 110, 48);
canvas_set_color(canvas, ColorBlack);
canvas_draw_icon(canvas, 10, 14, &I_WarningDolphin_45x42);
canvas_draw_rframe(canvas, 8, 8, 112, 50, 3);
canvas_draw_rframe(canvas, 9, 9, 110, 48, 2);
elements_multiline_text(canvas, 62, 20, furi_string_get_cstr(model->validator_text));
canvas_set_font(canvas, FontKeyboard);
}
}
static void text_input_handle_up(TextInput* text_input, TextInputModel* model) {
UNUSED(text_input);
if(model->selected_row > 0) {
model->selected_row--;
if(model->selected_column > get_row_size(model->selected_row) - 6) {
model->selected_column = model->selected_column + 1;
}
} else {
model->cursor_select = true;
model->clear_default_text = false;
}
}
static void text_input_handle_down(TextInput* text_input, TextInputModel* model) {
UNUSED(text_input);
if(model->cursor_select) {
model->cursor_select = false;
} else if(model->selected_row < keyboard_row_count - 1) {
model->selected_row++;
if(model->selected_column > get_row_size(model->selected_row) - 4) {
model->selected_column = model->selected_column - 1;
}
}
}
static void text_input_handle_left(TextInput* text_input, TextInputModel* model) {
UNUSED(text_input);
if(model->cursor_select) {
if(model->cursor_pos > 0) {
model->cursor_pos = CLAMP(model->cursor_pos - 1, strlen(model->text_buffer), 0u);
}
} else if(model->selected_column > 0) {
model->selected_column--;
} else {
model->selected_column = get_row_size(model->selected_row) - 1;
}
}
static void text_input_handle_right(TextInput* text_input, TextInputModel* model) {
UNUSED(text_input);
if(model->cursor_select) {
model->cursor_pos = CLAMP(model->cursor_pos + 1, strlen(model->text_buffer), 0u);
} else if(model->selected_column < get_row_size(model->selected_row) - 1) {
model->selected_column++;
} else {
model->selected_column = 0;
}
}
static void text_input_handle_ok(TextInput* text_input, TextInputModel* model, InputType type) {
if(model->cursor_select) return;
bool shift = type == InputTypeLong;
bool repeat = type == InputTypeRepeat;
char selected = get_selected_char(model);
size_t text_length = strlen(model->text_buffer);
if(selected == ENTER_KEY) {
if(model->validator_callback &&
(!model->validator_callback(
model->text_buffer, model->validator_text, model->validator_callback_context))) {
model->validator_message_visible = true;
furi_timer_start(text_input->timer, furi_kernel_get_tick_frequency() * 4);
} else if(model->callback != 0 && text_length >= model->minimum_length) {
model->callback(model->callback_context);
}
} else {
if(selected == BACKSPACE_KEY) {
text_input_backspace_cb(model);
} else if(!repeat) {
if(model->clear_default_text) {
text_length = 0;
}
if(text_length < (model->text_buffer_size - 1)) {
if(shift != (text_length == 0)) {
selected = char_to_uppercase(selected);
}
if(model->clear_default_text) {
model->text_buffer[0] = selected;
model->text_buffer[1] = '\0';
model->cursor_pos = 1;
} else {
char* move = model->text_buffer + model->cursor_pos;
memmove(move + 1, move, strlen(move) + 1);
model->text_buffer[model->cursor_pos] = selected;
model->cursor_pos++;
}
}
}
model->clear_default_text = false;
}
}
static bool text_input_view_input_callback(InputEvent* event, void* context) {
TextInput* text_input = context;
furi_assert(text_input);
bool consumed = false;
// Acquire model
TextInputModel* model = view_get_model(text_input->view);
if((!(event->type == InputTypePress) && !(event->type == InputTypeRelease)) &&
model->validator_message_visible) {
model->validator_message_visible = false;
consumed = true;
} else if(event->type == InputTypeShort) {
consumed = true;
switch(event->key) {
case InputKeyUp:
text_input_handle_up(text_input, model);
break;
case InputKeyDown:
text_input_handle_down(text_input, model);
break;
case InputKeyLeft:
text_input_handle_left(text_input, model);
break;
case InputKeyRight:
text_input_handle_right(text_input, model);
break;
case InputKeyOk:
text_input_handle_ok(text_input, model, event->type);
break;
default:
consumed = false;
break;
}
} else if(event->type == InputTypeLong) {
consumed = true;
switch(event->key) {
case InputKeyUp:
text_input_handle_up(text_input, model);
break;
case InputKeyDown:
text_input_handle_down(text_input, model);
break;
case InputKeyLeft:
text_input_handle_left(text_input, model);
break;
case InputKeyRight:
text_input_handle_right(text_input, model);
break;
case InputKeyOk:
text_input_handle_ok(text_input, model, event->type);
break;
case InputKeyBack:
text_input_backspace_cb(model);
break;
default:
consumed = false;
break;
}
} else if(event->type == InputTypeRepeat) {
consumed = true;
switch(event->key) {
case InputKeyUp:
text_input_handle_up(text_input, model);
break;
case InputKeyDown:
text_input_handle_down(text_input, model);
break;
case InputKeyLeft:
text_input_handle_left(text_input, model);
break;
case InputKeyRight:
text_input_handle_right(text_input, model);
break;
case InputKeyOk:
text_input_handle_ok(text_input, model, event->type);
break;
case InputKeyBack:
text_input_backspace_cb(model);
break;
default:
consumed = false;
break;
}
}
// Commit model
view_commit_model(text_input->view, consumed);
return consumed;
}
void text_input_timer_callback(void* context) {
furi_assert(context);
TextInput* text_input = context;
with_view_model(
text_input->view,
TextInputModel * model,
{ model->validator_message_visible = false; },
true);
}
TextInput* text_input_alloc() {
TextInput* text_input = malloc(sizeof(TextInput));
text_input->view = view_alloc();
view_set_context(text_input->view, text_input);
view_allocate_model(text_input->view, ViewModelTypeLocking, sizeof(TextInputModel));
view_set_draw_callback(text_input->view, text_input_view_draw_callback);
view_set_input_callback(text_input->view, text_input_view_input_callback);
text_input->timer = furi_timer_alloc(text_input_timer_callback, FuriTimerTypeOnce, text_input);
with_view_model(
text_input->view,
TextInputModel * model,
{
model->validator_text = furi_string_alloc();
model->minimum_length = 1;
model->cursor_pos = 0;
model->cursor_select = false;
},
false);
text_input_reset(text_input);
return text_input;
}
void text_input_free(TextInput* text_input) {
furi_assert(text_input);
with_view_model(
text_input->view,
TextInputModel * model,
{ furi_string_free(model->validator_text); },
false);
// Send stop command
furi_timer_stop(text_input->timer);
// Release allocated memory
furi_timer_free(text_input->timer);
view_free(text_input->view);
free(text_input);
}
void text_input_reset(TextInput* text_input) {
furi_assert(text_input);
with_view_model(
text_input->view,
TextInputModel * model,
{
model->header = "";
model->selected_row = 0;
model->selected_column = 0;
model->minimum_length = 1;
model->clear_default_text = false;
model->cursor_pos = 0;
model->cursor_select = false;
model->text_buffer = NULL;
model->text_buffer_size = 0;
model->callback = NULL;
model->callback_context = NULL;
model->validator_callback = NULL;
model->validator_callback_context = NULL;
furi_string_reset(model->validator_text);
model->validator_message_visible = false;
},
true);
}
View* text_input_get_view(TextInput* text_input) {
furi_assert(text_input);
return text_input->view;
}
void text_input_set_result_callback(
TextInput* text_input,
TextInputCallback callback,
void* callback_context,
char* text_buffer,
size_t text_buffer_size,
bool clear_default_text) {
with_view_model(
text_input->view,
TextInputModel * model,
{
model->callback = callback;
model->callback_context = callback_context;
model->text_buffer = text_buffer;
model->text_buffer_size = text_buffer_size;
model->clear_default_text = clear_default_text;
model->cursor_select = false;
if(text_buffer && text_buffer[0] != '\0') {
model->cursor_pos = strlen(text_buffer);
// Set focus on Save
model->selected_row = 2;
model->selected_column = 8;
} else {
model->cursor_pos = 0;
}
},
true);
}
void text_input_set_minimum_length(TextInput* text_input, size_t minimum_length) {
with_view_model(
text_input->view,
TextInputModel * model,
{ model->minimum_length = minimum_length; },
true);
}
void text_input_set_validator(
TextInput* text_input,
TextInputValidatorCallback callback,
void* callback_context) {
with_view_model(
text_input->view,
TextInputModel * model,
{
model->validator_callback = callback;
model->validator_callback_context = callback_context;
},
true);
}
TextInputValidatorCallback text_input_get_validator_callback(TextInput* text_input) {
TextInputValidatorCallback validator_callback = NULL;
with_view_model(
text_input->view,
TextInputModel * model,
{ validator_callback = model->validator_callback; },
false);
return validator_callback;
}
void* text_input_get_validator_callback_context(TextInput* text_input) {
void* validator_callback_context = NULL;
with_view_model(
text_input->view,
TextInputModel * model,
{ validator_callback_context = model->validator_callback_context; },
false);
return validator_callback_context;
}
void text_input_set_header_text(TextInput* text_input, const char* text) {
with_view_model(
text_input->view, TextInputModel * model, { model->header = text; }, true);
}