#include "byte_input.h" #include #include #include /** ByteInput type */ struct ByteInput { View* view; }; typedef struct { const uint8_t value; const uint8_t x; const uint8_t y; } ByteInputKey; typedef struct { const char* header; uint8_t* bytes; uint8_t bytes_count; ByteInputCallback input_callback; ByteChangedCallback changed_callback; void* callback_context; bool selected_high_nibble; uint8_t selected_byte; int8_t selected_row; // row -2 - mini_editor, -1 - input, row 0 & 1 - keyboard uint8_t selected_column; uint8_t first_visible_byte; } ByteInputModel; static const uint8_t keyboard_origin_x = 7; static const uint8_t keyboard_origin_y = 31; static const uint8_t keyboard_row_count = 2; static const uint8_t enter_symbol = '\r'; static const uint8_t backspace_symbol = '\b'; static const uint8_t max_drawable_bytes = 8; static const ByteInputKey keyboard_keys_row_1[] = { {'0', 0, 12}, {'1', 11, 12}, {'2', 22, 12}, {'3', 33, 12}, {'4', 44, 12}, {'5', 55, 12}, {'6', 66, 12}, {'7', 77, 12}, {backspace_symbol, 103, 4}, }; static const ByteInputKey keyboard_keys_row_2[] = { {'8', 0, 26}, {'9', 11, 26}, {'A', 22, 26}, {'B', 33, 26}, {'C', 44, 26}, {'D', 55, 26}, {'E', 66, 26}, {'F', 77, 26}, {enter_symbol, 95, 17}, }; /** Get row size * * @param row_index Index of row * * @return uint8_t Row size */ static uint8_t byte_input_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; default: furi_crash(NULL); } return row_size; } /** Get row pointer * * @param row_index Index of row * * @return const ByteInputKey* Row pointer */ static const ByteInputKey* byte_input_get_row(uint8_t row_index) { const ByteInputKey* row = NULL; switch(row_index + 1) { case 1: row = keyboard_keys_row_1; break; case 2: row = keyboard_keys_row_2; break; default: furi_crash(NULL); } return row; } /** Get text from nibble * * @param byte byte value * @param high_nibble Get from high nibble, otherwise low nibble * * @return char nibble text */ static char byte_input_get_nibble_text(uint8_t byte, bool high_nibble) { if(high_nibble) { byte = byte >> 4; } byte = byte & 0x0F; switch(byte & 0x0F) { case 0x0: case 0x1: case 0x2: case 0x3: case 0x4: case 0x5: case 0x6: case 0x7: case 0x8: case 0x9: byte = byte + '0'; break; case 0xA: case 0xB: case 0xC: case 0xD: case 0xE: case 0xF: byte = byte - 0xA + 'A'; break; default: byte = '!'; break; } return byte; } const char num_to_char[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9'}; /** Draw input box (common view) * * @param canvas The canvas * @param model The model */ static void byte_input_draw_input(Canvas* canvas, ByteInputModel* model) { const uint8_t text_x = 8; const uint8_t text_y = 25; const uint8_t text_y2 = 40; const bool draw_index_line = (model->selected_row == -2) && (model->first_visible_byte + MIN(model->bytes_count, max_drawable_bytes + 1) <= 100); elements_slightly_rounded_frame(canvas, 6, 14, 116, 15); canvas_draw_icon(canvas, 2, 19, &I_ButtonLeftSmall_3x5); canvas_draw_icon(canvas, 123, 19, &I_ButtonRightSmall_3x5); for(uint8_t i = model->first_visible_byte; i < model->first_visible_byte + MIN(model->bytes_count, max_drawable_bytes); i++) { uint8_t byte_position = i - model->first_visible_byte; if(i == model->selected_byte) { canvas_draw_frame(canvas, text_x + byte_position * 14, text_y - 9, 15, 11); if(model->selected_row == -2) { canvas_draw_icon( canvas, text_x + 6 + byte_position * 14, text_y - 14, &I_arrow_nano_up); canvas_draw_icon( canvas, text_x + 6 + byte_position * 14, text_y + 5, &I_arrow_nano_down); } if(model->selected_high_nibble) { canvas_draw_glyph( canvas, text_x + 8 + byte_position * 14, text_y, byte_input_get_nibble_text(model->bytes[i], false)); canvas_draw_box(canvas, text_x + 1 + byte_position * 14, text_y - 8, 7, 9); canvas_invert_color(canvas); canvas_draw_line( canvas, text_x + 14 + byte_position * 14, text_y - 6, text_x + 14 + byte_position * 14, text_y - 2); canvas_draw_glyph( canvas, text_x + 2 + byte_position * 14, text_y, byte_input_get_nibble_text(model->bytes[i], true)); canvas_invert_color(canvas); } else { canvas_draw_box(canvas, text_x + 7 + byte_position * 14, text_y - 8, 7, 9); canvas_draw_glyph( canvas, text_x + 2 + byte_position * 14, text_y, byte_input_get_nibble_text(model->bytes[i], true)); canvas_invert_color(canvas); canvas_draw_line( canvas, text_x + byte_position * 14, text_y - 6, text_x + byte_position * 14, text_y - 2); canvas_draw_glyph( canvas, text_x + 8 + byte_position * 14, text_y, byte_input_get_nibble_text(model->bytes[i], false)); canvas_invert_color(canvas); } } else { canvas_draw_glyph( canvas, text_x + 2 + byte_position * 14, text_y, byte_input_get_nibble_text(model->bytes[i], true)); canvas_draw_glyph( canvas, text_x + 8 + byte_position * 14, text_y, byte_input_get_nibble_text(model->bytes[i], false)); } if(draw_index_line) { canvas_draw_icon(canvas, 1, text_y + 8, &I_Hashmark_7x7); canvas_draw_glyph( canvas, text_x + 2 + byte_position * 14, text_y2, num_to_char[(i + 1) / 10]); canvas_draw_glyph( canvas, text_x + 8 + byte_position * 14, text_y2, num_to_char[(i + 1) % 10]); } } if((model->selected_row == -2) && (model->first_visible_byte + MIN(model->bytes_count, max_drawable_bytes + 1) > 100)) { char str[20]; canvas_set_font(canvas, FontSecondary); snprintf(str, 20, "Selected index"); canvas_draw_str(canvas, text_x, text_y2, str); canvas_set_font(canvas, FontPrimary); snprintf(str, 20, "%u", (model->selected_byte + 1)); canvas_draw_str(canvas, text_x + 75, text_y2, str); } if(model->bytes_count - model->first_visible_byte > max_drawable_bytes) { canvas_draw_icon(canvas, 123, 21, &I_ButtonRightSmall_3x5); } if(model->first_visible_byte > 0) { canvas_draw_icon(canvas, 1, 21, &I_ButtonLeftSmall_3x5); } } /** Draw input box (selected view) * * @param canvas The canvas * @param model The model */ static void byte_input_draw_input_selected(Canvas* canvas, ByteInputModel* model) { const uint8_t text_x = 7; const uint8_t text_y = 25; canvas_draw_box(canvas, 0, 12, 127, 19); canvas_invert_color(canvas); elements_slightly_rounded_frame(canvas, 6, 14, 115, 15); canvas_draw_icon(canvas, 2, 19, &I_ButtonLeftSmall_3x5); canvas_draw_icon(canvas, 122, 19, &I_ButtonRightSmall_3x5); for(uint8_t i = model->first_visible_byte; i < model->first_visible_byte + MIN(model->bytes_count, max_drawable_bytes); i++) { uint8_t byte_position = i - model->first_visible_byte; if(i == model->selected_byte) { canvas_draw_box(canvas, text_x + 1 + byte_position * 14, text_y - 9, 13, 11); canvas_invert_color(canvas); canvas_draw_glyph( canvas, text_x + 2 + byte_position * 14, text_y, byte_input_get_nibble_text(model->bytes[i], true)); canvas_draw_glyph( canvas, text_x + 8 + byte_position * 14, text_y, byte_input_get_nibble_text(model->bytes[i], false)); canvas_invert_color(canvas); } else { canvas_draw_glyph( canvas, text_x + 2 + byte_position * 14, text_y, byte_input_get_nibble_text(model->bytes[i], true)); canvas_draw_glyph( canvas, text_x + 8 + byte_position * 14, text_y, byte_input_get_nibble_text(model->bytes[i], false)); } } if(model->bytes_count - model->first_visible_byte > max_drawable_bytes) { canvas_draw_icon(canvas, 123, 21, &I_ButtonRightSmall_3x5); } if(model->first_visible_byte > 0) { canvas_draw_icon(canvas, 1, 21, &I_ButtonLeftSmall_3x5); } canvas_invert_color(canvas); } /** Set nibble at position * * @param data where to set nibble * @param position byte position * @param value char value * @param high_nibble set high nibble */ static void byte_input_set_nibble(uint8_t* data, uint8_t position, char value, bool high_nibble) { switch(value) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': value = value - '0'; break; case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': value = value - 'A' + 10; break; default: value = 0; break; } if(high_nibble) { data[position] &= 0x0F; data[position] |= value << 4; } else { data[position] &= 0xF0; data[position] |= value; } } /** What currently selected * * @param model The model * * @return true - keyboard selected, false - input selected */ static bool byte_input_keyboard_selected(ByteInputModel* model) { return model->selected_row >= 0; } /** Do transition from keyboard * * @param model The model */ static void byte_input_transition_from_keyboard(ByteInputModel* model) { model->selected_row += 1; model->selected_high_nibble = true; } /** Increase selected byte position * * @param model The model */ static void byte_input_inc_selected_byte(ByteInputModel* model) { if(model->selected_byte < model->bytes_count - 1) { model->selected_byte += 1; if(model->bytes_count > max_drawable_bytes) { if(model->selected_byte - model->first_visible_byte > (max_drawable_bytes - 2)) { if(model->first_visible_byte < model->bytes_count - max_drawable_bytes) { model->first_visible_byte++; } } } } } static void byte_input_inc_selected_byte_mini(ByteInputModel* model) { if((model->selected_byte < model->bytes_count - 1) || model->selected_high_nibble) { if(!model->selected_high_nibble) { model->selected_high_nibble = !model->selected_high_nibble; //-V547 byte_input_inc_selected_byte(model); } else { model->selected_high_nibble = !model->selected_high_nibble; //-V547 } } } /** Decrease selected byte position * * @param model The model */ static void byte_input_dec_selected_byte(ByteInputModel* model) { if(model->selected_byte > 0) { model->selected_byte -= 1; furi_assert(model->selected_byte >= model->first_visible_byte); if(model->selected_byte - model->first_visible_byte < 1) { if(model->first_visible_byte > 0) { model->first_visible_byte--; } } } } static void byte_input_dec_selected_byte_mini(ByteInputModel* model) { if(model->selected_byte > 0 || !model->selected_high_nibble) { if(model->selected_high_nibble) { model->selected_high_nibble = !model->selected_high_nibble; //-V547 byte_input_dec_selected_byte(model); } else { model->selected_high_nibble = !model->selected_high_nibble; //-V547 } } } /** Call input callback * * @param model The model */ static void byte_input_call_input_callback(ByteInputModel* model) { if(model->input_callback != NULL) { model->input_callback(model->callback_context); } } /** Call changed callback * * @param model The model */ static void byte_input_call_changed_callback(ByteInputModel* model) { if(model->changed_callback != NULL) { model->changed_callback(model->callback_context); } } /** Clear selected byte * * @param model The model */ static void byte_input_clear_selected_byte(ByteInputModel* model) { model->bytes[model->selected_byte] = 0; model->selected_high_nibble = true; byte_input_dec_selected_byte(model); byte_input_call_changed_callback(model); } /** Handle up button * * @param model The model */ static void byte_input_handle_up(ByteInputModel* model) { if(model->selected_row > -2) { model->selected_row -= 1; } else if(model->selected_row == -2) { if(!model->selected_high_nibble) { model->bytes[model->selected_byte] = (model->bytes[model->selected_byte] & 0xF0) | ((model->bytes[model->selected_byte] + 1) & 0x0F); } else { model->bytes[model->selected_byte] = ((model->bytes[model->selected_byte] + 0x10) & 0xF0) | (model->bytes[model->selected_byte] & 0x0F); } byte_input_call_changed_callback(model); } } /** Handle down button * * @param model The model */ static void byte_input_handle_down(ByteInputModel* model) { if(model->selected_row != -2) { if(byte_input_keyboard_selected(model)) { if(model->selected_row < keyboard_row_count - 1) { model->selected_row += 1; } } else { byte_input_transition_from_keyboard(model); } } else { if(!model->selected_high_nibble) { model->bytes[model->selected_byte] = (model->bytes[model->selected_byte] & 0xF0) | ((model->bytes[model->selected_byte] - 1) & 0x0F); } else { model->bytes[model->selected_byte] = ((model->bytes[model->selected_byte] - 0x10) & 0xF0) | (model->bytes[model->selected_byte] & 0x0F); } byte_input_call_changed_callback(model); } } /** Handle left button * * @param model The model */ static void byte_input_handle_left(ByteInputModel* model) { // XXX if(byte_input_keyboard_selected(model)) { if(model->selected_column > 0) { model->selected_column -= 1; } else { model->selected_column = byte_input_get_row_size(model->selected_row) - 1; } } else { if(model->selected_row != -2) { byte_input_dec_selected_byte(model); } else { byte_input_dec_selected_byte_mini(model); } } } /** Handle right button * * @param model The model */ static void byte_input_handle_right(ByteInputModel* model) { // XXX if(byte_input_keyboard_selected(model)) { if(model->selected_column < byte_input_get_row_size(model->selected_row) - 1) { model->selected_column += 1; } else { model->selected_column = 0; } } else { if(model->selected_row != -2) { byte_input_inc_selected_byte(model); } else { byte_input_inc_selected_byte_mini(model); } } } /** Handle OK button * * @param model The model */ static void byte_input_handle_ok(ByteInputModel* model) { if(byte_input_keyboard_selected(model)) { uint8_t value = byte_input_get_row(model->selected_row)[model->selected_column].value; if(value == enter_symbol) { byte_input_call_input_callback(model); } else if(value == backspace_symbol) { byte_input_clear_selected_byte(model); } else { byte_input_set_nibble( model->bytes, model->selected_byte, value, model->selected_high_nibble); if(model->selected_high_nibble == true) { model->selected_high_nibble = false; } else { byte_input_inc_selected_byte(model); model->selected_high_nibble = true; } byte_input_call_changed_callback(model); } } else if(model->selected_row == -2) { byte_input_call_input_callback(model); } else { byte_input_transition_from_keyboard(model); } } /** Draw callback * * @param canvas The canvas * @param _model The model */ static void byte_input_view_draw_callback(Canvas* canvas, void* _model) { ByteInputModel* model = _model; canvas_clear(canvas); canvas_set_color(canvas, ColorBlack); canvas_set_font(canvas, FontKeyboard); if(model->selected_row == -1) { byte_input_draw_input_selected(canvas, model); } else { byte_input_draw_input(canvas, model); } if(model->selected_row == -2) { canvas_set_font(canvas, FontSecondary); canvas_draw_icon(canvas, 3, 1, &I_Pin_back_arrow_10x8); canvas_draw_str_aligned(canvas, 16, 9, AlignLeft, AlignBottom, "back to keyboard"); elements_button_center(canvas, "Save"); } else { // Draw the header canvas_set_font(canvas, FontSecondary); if(model->selected_row == -1) { canvas_draw_str(canvas, 10, 9, "Move up for alternate input"); canvas_draw_icon(canvas, 3, 4, &I_SmallArrowUp_3x5); } else { canvas_draw_str(canvas, 2, 9, model->header); } canvas_set_font(canvas, FontKeyboard); // Draw keyboard for(uint8_t row = 0; row < keyboard_row_count; row++) { const uint8_t column_count = byte_input_get_row_size(row); const ByteInputKey* keys = byte_input_get_row(row); for(size_t column = 0; column < column_count; column++) { if(keys[column].value == enter_symbol) { 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].value == backspace_symbol) { 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 - 3, keyboard_origin_y + keys[column].y - 10, 11, 13); canvas_set_color(canvas, ColorWhite); } else if( model->selected_row == -1 && row == 0 && model->selected_column == column) { canvas_set_color(canvas, ColorBlack); canvas_draw_frame( canvas, keyboard_origin_x + keys[column].x - 3, keyboard_origin_y + keys[column].y - 10, 11, 13); } else { canvas_set_color(canvas, ColorBlack); } canvas_draw_glyph( canvas, keyboard_origin_x + keys[column].x, keyboard_origin_y + keys[column].y, keys[column].value); } } } } } /** Input callback * * @param event The event * @param context The context * * @return true * @return false */ static bool byte_input_view_input_callback(InputEvent* event, void* context) { ByteInput* byte_input = context; furi_assert(byte_input); bool consumed = false; if(event->type == InputTypeShort || event->type == InputTypeRepeat) { switch(event->key) { case InputKeyLeft: with_view_model( byte_input->view, ByteInputModel * model, { byte_input_handle_left(model); }, true); consumed = true; break; case InputKeyRight: with_view_model( byte_input->view, ByteInputModel * model, { byte_input_handle_right(model); }, true); consumed = true; break; case InputKeyUp: with_view_model( byte_input->view, ByteInputModel * model, { byte_input_handle_up(model); }, true); consumed = true; break; case InputKeyDown: with_view_model( byte_input->view, ByteInputModel * model, { byte_input_handle_down(model); }, true); consumed = true; break; case InputKeyOk: with_view_model( byte_input->view, ByteInputModel * model, { byte_input_handle_ok(model); }, true); consumed = true; break; default: break; } } if(event->type == InputTypeShort && event->key == InputKeyBack) { // Back to keyboard with_view_model( byte_input->view, ByteInputModel * model, { if(model->selected_row == -2) { model->selected_row += 1; consumed = true; }; }, true); } if((event->type == InputTypeLong || event->type == InputTypeRepeat) && event->key == InputKeyBack) { with_view_model( byte_input->view, ByteInputModel * model, { byte_input_clear_selected_byte(model); }, true); consumed = true; } return consumed; } /** Reset all input-related data in model * * @param model The model */ static void byte_input_reset_model_input_data(ByteInputModel* model) { model->bytes = NULL; model->bytes_count = 0; model->selected_high_nibble = true; model->selected_byte = 0; model->selected_row = 0; model->selected_column = 0; model->first_visible_byte = 0; } ByteInput* byte_input_alloc() { ByteInput* byte_input = malloc(sizeof(ByteInput)); byte_input->view = view_alloc(); view_set_context(byte_input->view, byte_input); view_allocate_model(byte_input->view, ViewModelTypeLocking, sizeof(ByteInputModel)); view_set_draw_callback(byte_input->view, byte_input_view_draw_callback); view_set_input_callback(byte_input->view, byte_input_view_input_callback); with_view_model( byte_input->view, ByteInputModel * model, { model->header = ""; model->input_callback = NULL; model->changed_callback = NULL; model->callback_context = NULL; byte_input_reset_model_input_data(model); }, true); return byte_input; } void byte_input_free(ByteInput* byte_input) { furi_assert(byte_input); view_free(byte_input->view); free(byte_input); } View* byte_input_get_view(ByteInput* byte_input) { furi_assert(byte_input); return byte_input->view; } void byte_input_set_result_callback( ByteInput* byte_input, ByteInputCallback input_callback, ByteChangedCallback changed_callback, void* callback_context, uint8_t* bytes, uint8_t bytes_count) { with_view_model( byte_input->view, ByteInputModel * model, { byte_input_reset_model_input_data(model); model->input_callback = input_callback; model->changed_callback = changed_callback; model->callback_context = callback_context; model->bytes = bytes; model->bytes_count = bytes_count; }, true); } void byte_input_set_header_text(ByteInput* byte_input, const char* text) { with_view_model( byte_input->view, ByteInputModel * model, { model->header = text; }, true); }