flipperzero-firmware/applications/gui/modules/code_input.c

479 lines
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C
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#include "code_input.h"
#include <gui/elements.h>
#include <furi.h>
#define MAX_CODE_LEN 10
struct CodeInput {
View* view;
};
typedef enum {
CodeInputStateVerify,
CodeInputStateUpdate,
CodeInputStateTotal,
} CodeInputStateEnum;
typedef enum {
CodeInputFirst,
CodeInputSecond,
CodeInputTotal,
} CodeInputsEnum;
typedef struct {
uint8_t state;
uint8_t current;
bool ext_update;
uint8_t input_length[CodeInputTotal];
uint8_t local_buffer[CodeInputTotal][MAX_CODE_LEN];
CodeInputOkCallback ok_callback;
CodeInputFailCallback fail_callback;
void* callback_context;
const char* header;
uint8_t* ext_buffer;
uint8_t* ext_buffer_length;
} CodeInputModel;
static const Icon* keys_assets[] = {
[InputKeyUp] = &I_ButtonUp_7x4,
[InputKeyDown] = &I_ButtonDown_7x4,
[InputKeyRight] = &I_ButtonRight_4x7,
[InputKeyLeft] = &I_ButtonLeft_4x7,
};
/**
* @brief Compare buffers
*
* @param in Input buffer pointer
* @param len_in Input array length
* @param src Source buffer pointer
* @param len_src Source array length
*/
bool code_input_compare(uint8_t* in, size_t len_in, uint8_t* src, size_t len_src) {
bool result = false;
do {
result = (len_in && len_src);
if(!result) {
break;
}
result = (len_in == len_src);
if(!result) {
break;
}
for(size_t i = 0; i < len_in; i++) {
result = (in[i] == src[i]);
if(!result) {
break;
}
}
} while(false);
return result;
}
/**
* @brief Compare local buffers
*
* @param model
*/
static bool code_input_compare_local(CodeInputModel* model) {
uint8_t* source = model->local_buffer[CodeInputFirst];
size_t source_length = model->input_length[CodeInputFirst];
uint8_t* input = model->local_buffer[CodeInputSecond];
size_t input_length = model->input_length[CodeInputSecond];
return code_input_compare(input, input_length, source, source_length);
}
/**
* @brief Compare ext with local
*
* @param model
*/
static bool code_input_compare_ext(CodeInputModel* model) {
uint8_t* input = model->local_buffer[CodeInputFirst];
size_t input_length = model->input_length[CodeInputFirst];
uint8_t* source = model->ext_buffer;
size_t source_length = *model->ext_buffer_length;
return code_input_compare(input, input_length, source, source_length);
}
/**
* @brief Set ext buffer
*
* @param model
*/
static void code_input_set_ext(CodeInputModel* model) {
*model->ext_buffer_length = model->input_length[CodeInputFirst];
for(size_t i = 0; i <= model->input_length[CodeInputFirst]; i++) {
model->ext_buffer[i] = model->local_buffer[CodeInputFirst][i];
}
}
/**
* @brief Draw input sequence
*
* @param canvas
* @param buffer
* @param length
* @param x
* @param y
* @param active
*/
static void code_input_draw_sequence(
Canvas* canvas,
uint8_t* buffer,
uint8_t length,
uint8_t x,
uint8_t y,
bool active) {
uint8_t pos_x = x + 6;
uint8_t pos_y = y + 3;
if(active) canvas_draw_icon(canvas, x - 4, y + 5, &I_ButtonRightSmall_3x5);
elements_slightly_rounded_frame(canvas, x, y, 116, 15);
for(size_t i = 0; i < length; i++) {
// maybe symmetrical assets? :-/
uint8_t offset_y = buffer[i] < 2 ? 2 + (buffer[i] * 2) : 1;
canvas_draw_icon(canvas, pos_x, pos_y + offset_y, keys_assets[buffer[i]]);
pos_x += buffer[i] > 1 ? 9 : 11;
}
}
/**
* @brief Reset input count
*
* @param model
*/
static void code_input_reset_count(CodeInputModel* model) {
model->input_length[model->current] = 0;
}
/**
* @brief Call input callback
*
* @param model
*/
static void code_input_call_ok_callback(CodeInputModel* model) {
if(model->ok_callback != NULL) {
model->ok_callback(model->callback_context);
}
}
/**
* @brief Call changed callback
*
* @param model
*/
static void code_input_call_fail_callback(CodeInputModel* model) {
if(model->fail_callback != NULL) {
model->fail_callback(model->callback_context);
}
}
/**
* @brief Handle Back button
*
* @param model
*/
static bool code_input_handle_back(CodeInputModel* model) {
if(model->current && !model->input_length[model->current]) {
--model->current;
return true;
}
if(model->input_length[model->current]) {
code_input_reset_count(model);
return true;
}
code_input_call_fail_callback(model);
return false;
}
/**
* @brief Handle OK button
*
* @param model
*/
static void code_input_handle_ok(CodeInputModel* model) {
switch(model->state) {
case CodeInputStateVerify:
if(code_input_compare_ext(model)) {
if(model->ext_update) {
model->state = CodeInputStateUpdate;
} else {
code_input_call_ok_callback(model);
}
}
code_input_reset_count(model);
break;
case CodeInputStateUpdate:
if(!model->current && model->input_length[model->current]) {
model->current++;
} else {
if(code_input_compare_local(model)) {
if(model->ext_update) {
code_input_set_ext(model);
}
code_input_call_ok_callback(model);
} else {
code_input_reset_count(model);
}
}
break;
default:
break;
}
}
/**
* @brief Handle input
*
* @param model
* @param key
*/
size_t code_input_push(uint8_t* buffer, size_t length, InputKey key) {
buffer[length] = key;
length = CLAMP(length + 1, MAX_CODE_LEN, 0);
return length;
}
/**
* @brief Handle D-pad keys
*
* @param model
* @param key
*/
static void code_input_handle_dpad(CodeInputModel* model, InputKey key) {
uint8_t at = model->current;
size_t new_length = code_input_push(model->local_buffer[at], model->input_length[at], key);
model->input_length[at] = new_length;
}
/**
* @brief Draw callback
*
* @param canvas
* @param _model
*/
static void code_input_view_draw_callback(Canvas* canvas, void* _model) {
CodeInputModel* model = _model;
uint8_t y_offset = 0;
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
if(model->header && strlen(model->header)) {
canvas_draw_str(canvas, 2, 9, model->header);
} else {
y_offset = 4;
}
canvas_set_font(canvas, FontSecondary);
switch(model->state) {
case CodeInputStateVerify:
code_input_draw_sequence(
canvas,
model->local_buffer[CodeInputFirst],
model->input_length[CodeInputFirst],
6,
30 + y_offset,
true);
break;
case CodeInputStateUpdate:
code_input_draw_sequence(
canvas,
model->local_buffer[CodeInputFirst],
model->input_length[CodeInputFirst],
6,
14 + y_offset,
!model->current);
code_input_draw_sequence(
canvas,
model->local_buffer[CodeInputSecond],
model->input_length[CodeInputSecond],
6,
44 + y_offset,
model->current);
if(model->current) canvas_draw_str(canvas, 2, 39 + y_offset, "Repeat code");
break;
default:
break;
}
}
/**
* @brief Input callback
*
* @param event
* @param context
* @return true
* @return false
*/
static bool code_input_view_input_callback(InputEvent* event, void* context) {
CodeInput* code_input = context;
furi_assert(code_input);
bool consumed = false;
if(event->type == InputTypeShort || event->type == InputTypeRepeat) {
switch(event->key) {
case InputKeyBack:
with_view_model(
code_input->view, (CodeInputModel * model) {
consumed = code_input_handle_back(model);
return true;
});
break;
case InputKeyOk:
with_view_model(
code_input->view, (CodeInputModel * model) {
code_input_handle_ok(model);
return true;
});
consumed = true;
break;
default:
with_view_model(
code_input->view, (CodeInputModel * model) {
code_input_handle_dpad(model, event->key);
return true;
});
consumed = true;
break;
}
}
return consumed;
}
/**
* @brief Reset all input-related data in model
*
* @param model CodeInputModel
*/
static void code_input_reset_model_input_data(CodeInputModel* model) {
model->current = 0;
model->input_length[CodeInputFirst] = 0;
model->input_length[CodeInputSecond] = 0;
model->ext_buffer = NULL;
model->ext_update = false;
model->state = 0;
}
/**
* @brief Allocate and initialize code input. This code input is used to enter codes.
*
* @return CodeInput instance pointer
*/
CodeInput* code_input_alloc() {
CodeInput* code_input = furi_alloc(sizeof(CodeInput));
code_input->view = view_alloc();
view_set_context(code_input->view, code_input);
view_allocate_model(code_input->view, ViewModelTypeLocking, sizeof(CodeInputModel));
view_set_draw_callback(code_input->view, code_input_view_draw_callback);
view_set_input_callback(code_input->view, code_input_view_input_callback);
with_view_model(
code_input->view, (CodeInputModel * model) {
model->header = "";
model->ok_callback = NULL;
model->fail_callback = NULL;
model->callback_context = NULL;
code_input_reset_model_input_data(model);
return true;
});
return code_input;
}
/**
* @brief Deinitialize and free code input
*
* @param code_input Code input instance
*/
void code_input_free(CodeInput* code_input) {
furi_assert(code_input);
view_free(code_input->view);
free(code_input);
}
/**
* @brief Get code input view
*
* @param code_input code input instance
* @return View instance that can be used for embedding
*/
View* code_input_get_view(CodeInput* code_input) {
furi_assert(code_input);
return code_input->view;
}
/**
* @brief Set code input callbacks
*
* @param code_input code input instance
* @param ok_callback input callback fn
* @param fail_callback code match callback fn
* @param callback_context callback context
* @param buffer buffer
* @param buffer_length ptr to buffer length uint
* @param ext_update true to update buffer
*/
void code_input_set_result_callback(
CodeInput* code_input,
CodeInputOkCallback ok_callback,
CodeInputFailCallback fail_callback,
void* callback_context,
uint8_t* buffer,
uint8_t* buffer_length,
bool ext_update) {
with_view_model(
code_input->view, (CodeInputModel * model) {
code_input_reset_model_input_data(model);
model->ok_callback = ok_callback;
model->fail_callback = fail_callback;
model->callback_context = callback_context;
model->ext_buffer = buffer;
model->ext_buffer_length = buffer_length;
model->state = (*buffer_length == 0) ? 1 : 0;
model->ext_update = ext_update;
return true;
});
}
/**
* @brief Set code input header text
*
* @param code_input code input instance
* @param text text to be shown
*/
void code_input_set_header_text(CodeInput* code_input, const char* text) {
with_view_model(
code_input->view, (CodeInputModel * model) {
model->header = text;
return true;
});
}