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#include "text_input.h"
#include <gui/elements.h>
#include <furi.h>
struct TextInput {
View* view;
osTimerId_t 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;
bool clear_default_text;
TextInputCallback callback;
void* callback_context;
uint8_t selected_row;
uint8_t selected_column;
TextInputValidatorCallback validator_callback;
void* validator_callback_context;
string_t validator_text;
bool valadator_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 = sizeof(keyboard_keys_row_1) / sizeof(TextInputKey);
break;
case 2:
row_size = sizeof(keyboard_keys_row_2) / sizeof(TextInputKey);
break;
case 3:
row_size = sizeof(keyboard_keys_row_3) / sizeof(TextInputKey);
break;
}
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;
}
return row;
}
static const char get_selected_char(TextInputModel* model) {
return get_row(model->selected_row)[model->selected_column].text;
}
static const bool char_is_lowercase(char letter) {
return (letter >= 0x61 && letter <= 0x7A);
}
static const char char_to_uppercase(const char letter) {
return (letter - 0x20);
}
static void text_input_backspace_cb(TextInputModel* model) {
uint8_t text_length = model->clear_default_text ? 1 : strlen(model->text_buffer);
if(text_length > 0) {
model->text_buffer[text_length - 1] = 0;
}
}
static void text_input_view_draw_callback(Canvas* canvas, void* _model) {
TextInputModel* model = _model;
uint8_t text_length = strlen(model->text_buffer);
uint8_t needed_string_width = canvas_width(canvas) - 8;
uint8_t start_pos = 4;
const char* text = model->text_buffer;
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);
if(canvas_string_width(canvas, text) > needed_string_width) {
canvas_draw_str(canvas, start_pos, 22, "...");
start_pos += 6;
needed_string_width -= 8;
}
while(text != 0 && canvas_string_width(canvas, text) > needed_string_width) {
text++;
}
if(model->clear_default_text) {
elements_slightly_rounded_box(
canvas, start_pos - 1, 14, canvas_string_width(canvas, text) + 2, 10);
canvas_set_color(canvas, ColorWhite);
} else {
canvas_draw_str(canvas, start_pos + canvas_string_width(canvas, text) + 1, 22, "|");
canvas_draw_str(canvas, start_pos + canvas_string_width(canvas, text) + 2, 22, "|");
}
canvas_draw_str(canvas, start_pos, 22, text);
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++) {
if(keys[column].text == ENTER_KEY) {
canvas_set_color(canvas, ColorBlack);
if(model->selected_row == row && model->selected_column == column) {
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(model->selected_row == row && model->selected_column == column) {
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(model->selected_row == row && model->selected_column == column) {
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(text_length == 0 && char_is_lowercase(keys[column].text)) {
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->valadator_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, string_get_cstr(model->validator_text));
canvas_set_font(canvas, FontKeyboard);
}
}
static void text_input_handle_up(TextInput* text_input) {
with_view_model(
text_input->view, (TextInputModel * model) {
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;
}
}
return true;
});
}
static void text_input_handle_down(TextInput* text_input) {
with_view_model(
text_input->view, (TextInputModel * model) {
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;
}
}
return true;
});
}
static void text_input_handle_left(TextInput* text_input) {
with_view_model(
text_input->view, (TextInputModel * model) {
if(model->selected_column > 0) {
model->selected_column--;
} else {
model->selected_column = get_row_size(model->selected_row) - 1;
}
return true;
});
}
static void text_input_handle_right(TextInput* text_input) {
with_view_model(
text_input->view, (TextInputModel * model) {
if(model->selected_column < get_row_size(model->selected_row) - 1) {
model->selected_column++;
} else {
model->selected_column = 0;
}
return true;
});
}
static void text_input_handle_ok(TextInput* text_input) {
with_view_model(
text_input->view, (TextInputModel * model) {
char selected = get_selected_char(model);
uint8_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->valadator_message_visible = true;
osTimerStart(text_input->timer, osKernelGetTickFreq() * 4);
} else if(model->callback != 0 && text_length > 0) {
model->callback(model->callback_context);
}
} else if(selected == BACKSPACE_KEY) {
text_input_backspace_cb(model);
} else if(text_length < (model->text_buffer_size - 1)) {
if(model->clear_default_text) {
text_length = 0;
}
if(text_length == 0 && char_is_lowercase(selected)) {
selected = char_to_uppercase(selected);
}
model->text_buffer[text_length] = selected;
model->text_buffer[text_length + 1] = 0;
}
model->clear_default_text = false;
return true;
});
}
static bool text_input_view_input_callback(InputEvent* event, void* context) {
TextInput* text_input = context;
furi_assert(text_input);
bool consumed = false;
if(event->type == InputTypeShort || event->type == InputTypeRepeat) {
with_view_model(
text_input->view, (TextInputModel * model) {
if(model->valadator_message_visible) {
if(event->key == InputKeyBack) {
consumed = true;
}
}
model->valadator_message_visible = false;
return false;
});
switch(event->key) {
case InputKeyUp:
text_input_handle_up(text_input);
consumed = true;
break;
case InputKeyDown:
text_input_handle_down(text_input);
consumed = true;
break;
case InputKeyLeft:
text_input_handle_left(text_input);
consumed = true;
break;
case InputKeyRight:
text_input_handle_right(text_input);
consumed = true;
break;
case InputKeyOk:
text_input_handle_ok(text_input);
consumed = true;
break;
default:
break;
}
}
if((event->type == InputTypeLong || event->type == InputTypeRepeat) &&
event->key == InputKeyBack) {
with_view_model(
text_input->view, (TextInputModel * model) {
if(model->valadator_message_visible) {
model->valadator_message_visible = false;
} else {
text_input_backspace_cb(model);
}
return true;
});
consumed = true;
}
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->valadator_message_visible = false;
return true;
});
}
TextInput* text_input_alloc() {
TextInput* text_input = furi_alloc(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 = osTimerNew(text_input_timer_callback, osTimerOnce, text_input, NULL);
with_view_model(
text_input->view, (TextInputModel * model) {
string_init(model->validator_text);
return false;
});
text_input_clean(text_input);
return text_input;
}
void text_input_free(TextInput* text_input) {
furi_assert(text_input);
with_view_model(
text_input->view, (TextInputModel * model) {
string_clear(model->validator_text);
return false;
});
// Send stop command
osTimerStop(text_input->timer);
// Wait till timer stop
while(osTimerIsRunning(text_input->timer)) osDelay(1);
// Release allocated memory
osTimerDelete(text_input->timer);
view_free(text_input->view);
free(text_input);
}
void text_input_clean(TextInput* text_input) {
furi_assert(text_input);
with_view_model(
text_input->view, (TextInputModel * model) {
model->text_buffer_size = 0;
model->header = "";
model->selected_row = 0;
model->selected_column = 0;
model->clear_default_text = 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;
string_reset(model->validator_text);
model->valadator_message_visible = false;
return 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;
if(text_buffer && text_buffer[0] != '\0') {
// Set focus on Save
model->selected_row = 2;
model->selected_column = 8;
}
return 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;
return 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;
return 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;
return 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;
return true;
});
}
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