add modification stock keyboard

uart_text_input.c

@@ -0,0 +1,585 @@
+#include "uart_text_input.h"
+#include <gui/elements.h>
+#include <assets_icons.h>
+#include <furi.h>
+
+struct UART_TextInput {
+    View* view;
+    FuriTimer* timer;
+};
+
+typedef struct {
+    const char text;
+    const uint8_t x;
+    const uint8_t y;
+} UART_TextInputKey;
+
+typedef struct {
+    const char* header;
+    char* text_buffer;
+    size_t text_buffer_size;
+    bool clear_default_text;
+
+    UART_TextInputCallback callback;
+    void* callback_context;
+
+    uint8_t selected_row;
+    uint8_t selected_column;
+
+    UART_TextInputValidatorCallback validator_callback;
+    void* validator_callback_context;
+    FuriString* validator_text;
+    bool valadator_message_visible;
+} UART_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 UART_TextInputKey keyboard_keys_row_1[] = {
+    {'q', 1, 8},
+    {'w', 9, 8},
+    {'e', 17, 8},
+    {'r', 25, 8},
+    {'t', 33, 8},
+    {'y', 41, 8},
+    {'u', 49, 8},
+    {'i', 57, 8},
+    {'o', 65, 8},
+    {'p', 73, 8},
+    {'0', 81, 8},
+    {'1', 89, 8},
+    {'2', 97, 8},
+    {'3', 105, 8},
+    {'/', 113, 8},
+    {'-', 120, 8},
+};
+
+static const UART_TextInputKey keyboard_keys_row_2[] = {
+    {'a', 1, 20},
+    {'s', 9, 20},
+    {'d', 18, 20},
+    {'f', 25, 20},
+    {'g', 33, 20},
+    {'h', 41, 20},
+    {'j', 49, 20},
+    {'k', 57, 20},
+    {'l', 65, 20},
+    {BACKSPACE_KEY, 72, 12},
+    {'4', 89, 20},
+    {'5', 97, 20},
+    {'6', 105, 20},
+    {'$', 113, 20},
+    {'&', 120, 20},
+
+};
+
+static const UART_TextInputKey keyboard_keys_row_3[] = {
+    {'z', 1, 32},
+    {'x', 9, 32},
+    {'c', 18, 32},
+    {'v', 25, 32},
+    {'b', 33, 32},
+    {'n', 41, 32},
+    {'m', 49, 32},
+    {'_', 57, 32},
+    {ENTER_KEY, 64, 23},
+    {'7', 89, 32},
+    {'8', 97, 32},
+    {'9', 105, 32},
+    {'"', 113, 32},
+    {'+', 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(UART_TextInputKey);
+        break;
+    case 2:
+        row_size = sizeof(keyboard_keys_row_2) / sizeof(UART_TextInputKey);
+        break;
+    case 3:
+        row_size = sizeof(keyboard_keys_row_3) / sizeof(UART_TextInputKey);
+        break;
+    }
+
+    return row_size;
+}
+
+static const UART_TextInputKey* get_row(uint8_t row_index) {
+    const UART_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 char get_selected_char(UART_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(isalpha(letter)) {
+        return (letter - 0x20);
+    } else {
+        return letter;
+    }
+}
+
+static void uart_text_input_backspace_cb(UART_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 uart_text_input_view_draw_callback(Canvas* canvas, void* _model) {
+    UART_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;
+
+    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 UART_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(model->clear_default_text ||
+                   (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));
+                        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, furi_string_get_cstr(model->validator_text));
+        canvas_set_font(canvas, FontKeyboard);
+    }
+}
+
+static void
+    uart_text_input_handle_up(UART_TextInput* uart_text_input, UART_TextInputModel* model) {
+    UNUSED(uart_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;
+        }
+    }
+}
+
+static void
+    uart_text_input_handle_down(UART_TextInput* uart_text_input, UART_TextInputModel* model) {
+    UNUSED(uart_text_input);
+    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
+    uart_text_input_handle_left(UART_TextInput* uart_text_input, UART_TextInputModel* model) {
+    UNUSED(uart_text_input);
+    if(model->selected_column > 0) {
+        model->selected_column--;
+    } else {
+        model->selected_column = get_row_size(model->selected_row) - 1;
+    }
+}
+
+static void
+    uart_text_input_handle_right(UART_TextInput* uart_text_input, UART_TextInputModel* model) {
+    UNUSED(uart_text_input);
+    if(model->selected_column < get_row_size(model->selected_row) - 1) {
+        model->selected_column++;
+    } else {
+        model->selected_column = 0;
+    }
+}
+
+static void uart_text_input_handle_ok(
+    UART_TextInput* uart_text_input,
+    UART_TextInputModel* model,
+    bool shift) {
+    char selected = get_selected_char(model);
+    uint8_t text_length = strlen(model->text_buffer);
+
+    if(shift) {
+        selected = char_to_uppercase(selected);
+    }
+
+    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;
+            furi_timer_start(uart_text_input->timer, furi_kernel_get_tick_frequency() * 4);
+        } else if(model->callback != 0 && text_length > 0) {
+            model->callback(model->callback_context);
+        }
+    } else if(selected == BACKSPACE_KEY) {
+        uart_text_input_backspace_cb(model);
+    } else {
+        if(model->clear_default_text) {
+            text_length = 0;
+        }
+        if(text_length < (model->text_buffer_size - 1)) {
+            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;
+}
+
+static bool uart_text_input_view_input_callback(InputEvent* event, void* context) {
+    UART_TextInput* uart_text_input = context;
+    furi_assert(uart_text_input);
+
+    bool consumed = false;
+
+    // Acquire model
+    UART_TextInputModel* model = view_get_model(uart_text_input->view);
+
+    if((!(event->type == InputTypePress) && !(event->type == InputTypeRelease)) &&
+       model->valadator_message_visible) {
+        model->valadator_message_visible = false;
+        consumed = true;
+    } else if(event->type == InputTypeShort) {
+        consumed = true;
+        switch(event->key) {
+        case InputKeyUp:
+            uart_text_input_handle_up(uart_text_input, model);
+            break;
+        case InputKeyDown:
+            uart_text_input_handle_down(uart_text_input, model);
+            break;
+        case InputKeyLeft:
+            uart_text_input_handle_left(uart_text_input, model);
+            break;
+        case InputKeyRight:
+            uart_text_input_handle_right(uart_text_input, model);
+            break;
+        case InputKeyOk:
+            uart_text_input_handle_ok(uart_text_input, model, false);
+            break;
+        default:
+            consumed = false;
+            break;
+        }
+    } else if(event->type == InputTypeLong) {
+        consumed = true;
+        switch(event->key) {
+        case InputKeyUp:
+            uart_text_input_handle_up(uart_text_input, model);
+            break;
+        case InputKeyDown:
+            uart_text_input_handle_down(uart_text_input, model);
+            break;
+        case InputKeyLeft:
+            uart_text_input_handle_left(uart_text_input, model);
+            break;
+        case InputKeyRight:
+            uart_text_input_handle_right(uart_text_input, model);
+            break;
+        case InputKeyOk:
+            uart_text_input_handle_ok(uart_text_input, model, true);
+            break;
+        case InputKeyBack:
+            uart_text_input_backspace_cb(model);
+            break;
+        default:
+            consumed = false;
+            break;
+        }
+    } else if(event->type == InputTypeRepeat) {
+        consumed = true;
+        switch(event->key) {
+        case InputKeyUp:
+            uart_text_input_handle_up(uart_text_input, model);
+            break;
+        case InputKeyDown:
+            uart_text_input_handle_down(uart_text_input, model);
+            break;
+        case InputKeyLeft:
+            uart_text_input_handle_left(uart_text_input, model);
+            break;
+        case InputKeyRight:
+            uart_text_input_handle_right(uart_text_input, model);
+            break;
+        case InputKeyBack:
+            uart_text_input_backspace_cb(model);
+            break;
+        default:
+            consumed = false;
+            break;
+        }
+    }
+
+    // Commit model
+    view_commit_model(uart_text_input->view, consumed);
+
+    return consumed;
+}
+
+void uart_text_input_timer_callback(void* context) {
+    furi_assert(context);
+    UART_TextInput* uart_text_input = context;
+
+    with_view_model(
+        uart_text_input->view,
+        UART_TextInputModel * model,
+        { model->valadator_message_visible = false; },
+        true);
+}
+
+UART_TextInput* uart_text_input_alloc() {
+    UART_TextInput* uart_text_input = malloc(sizeof(UART_TextInput));
+    uart_text_input->view = view_alloc();
+    view_set_context(uart_text_input->view, uart_text_input);
+    view_allocate_model(uart_text_input->view, ViewModelTypeLocking, sizeof(UART_TextInputModel));
+    view_set_draw_callback(uart_text_input->view, uart_text_input_view_draw_callback);
+    view_set_input_callback(uart_text_input->view, uart_text_input_view_input_callback);
+
+    uart_text_input->timer =
+        furi_timer_alloc(uart_text_input_timer_callback, FuriTimerTypeOnce, uart_text_input);
+
+    with_view_model(
+        uart_text_input->view,
+        UART_TextInputModel * model,
+        { model->validator_text = furi_string_alloc(); },
+        false);
+
+    uart_text_input_reset(uart_text_input);
+
+    return uart_text_input;
+}
+
+void uart_text_input_free(UART_TextInput* uart_text_input) {
+    furi_assert(uart_text_input);
+    with_view_model(
+        uart_text_input->view,
+        UART_TextInputModel * model,
+        { furi_string_free(model->validator_text); },
+        false);
+
+    // Send stop command
+    furi_timer_stop(uart_text_input->timer);
+    // Release allocated memory
+    furi_timer_free(uart_text_input->timer);
+
+    view_free(uart_text_input->view);
+
+    free(uart_text_input);
+}
+
+void uart_text_input_reset(UART_TextInput* uart_text_input) {
+    furi_assert(uart_text_input);
+    with_view_model(
+        uart_text_input->view,
+        UART_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;
+            furi_string_reset(model->validator_text);
+            model->valadator_message_visible = false;
+        },
+        true);
+}
+
+View* uart_text_input_get_view(UART_TextInput* uart_text_input) {
+    furi_assert(uart_text_input);
+    return uart_text_input->view;
+}
+
+void uart_text_input_set_result_callback(
+    UART_TextInput* uart_text_input,
+    UART_TextInputCallback callback,
+    void* callback_context,
+    char* text_buffer,
+    size_t text_buffer_size,
+    bool clear_default_text) {
+    with_view_model(
+        uart_text_input->view,
+        UART_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;
+            }
+        },
+        true);
+}
+
+void uart_text_input_set_validator(
+    UART_TextInput* uart_text_input,
+    UART_TextInputValidatorCallback callback,
+    void* callback_context) {
+    with_view_model(
+        uart_text_input->view,
+        UART_TextInputModel * model,
+        {
+            model->validator_callback = callback;
+            model->validator_callback_context = callback_context;
+        },
+        true);
+}
+
+UART_TextInputValidatorCallback
+    uart_text_input_get_validator_callback(UART_TextInput* uart_text_input) {
+    UART_TextInputValidatorCallback validator_callback = NULL;
+    with_view_model(
+        uart_text_input->view,
+        UART_TextInputModel * model,
+        { validator_callback = model->validator_callback; },
+        false);
+    return validator_callback;
+}
+
+void* uart_text_input_get_validator_callback_context(UART_TextInput* uart_text_input) {
+    void* validator_callback_context = NULL;
+    with_view_model(
+        uart_text_input->view,
+        UART_TextInputModel * model,
+        { validator_callback_context = model->validator_callback_context; },
+        false);
+    return validator_callback_context;
+}
+
+void uart_text_input_set_header_text(UART_TextInput* uart_text_input, const char* text) {
+    with_view_model(
+        uart_text_input->view, UART_TextInputModel * model, { model->header = text; }, true);
+}

uart_text_input.h

@@ -0,0 +1,82 @@
+#pragma once
+
+#include <gui/view.h>
+#include "uart_validators.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Text input anonymous structure */
+typedef struct UART_TextInput UART_TextInput;
+typedef void (*UART_TextInputCallback)(void* context);
+typedef bool (*UART_TextInputValidatorCallback)(const char* text, FuriString* error, void* context);
+
+/** Allocate and initialize text input 
+ * 
+ * This text input is used to enter string
+ *
+ * @return     UART_TextInput instance
+ */
+UART_TextInput* uart_text_input_alloc();
+
+/** Deinitialize and free text input
+ *
+ * @param      uart_text_input  UART_TextInput instance
+ */
+void uart_text_input_free(UART_TextInput* uart_text_input);
+
+/** Clean text input view Note: this function does not free memory
+ *
+ * @param      uart_text_input  Text input instance
+ */
+void uart_text_input_reset(UART_TextInput* uart_text_input);
+
+/** Get text input view
+ *
+ * @param      uart_text_input  UART_TextInput instance
+ *
+ * @return     View instance that can be used for embedding
+ */
+View* uart_text_input_get_view(UART_TextInput* uart_text_input);
+
+/** Set text input result callback
+ *
+ * @param      uart_text_input          UART_TextInput instance
+ * @param      callback            callback fn
+ * @param      callback_context    callback context
+ * @param      text_buffer         pointer to YOUR text buffer, that we going
+ *                                 to modify
+ * @param      text_buffer_size    YOUR text buffer size in bytes. Max string
+ *                                 length will be text_buffer_size-1.
+ * @param      clear_default_text  clear text from text_buffer on first OK
+ *                                 event
+ */
+void uart_text_input_set_result_callback(
+    UART_TextInput* uart_text_input,
+    UART_TextInputCallback callback,
+    void* callback_context,
+    char* text_buffer,
+    size_t text_buffer_size,
+    bool clear_default_text);
+
+void uart_text_input_set_validator(
+    UART_TextInput* uart_text_input,
+    UART_TextInputValidatorCallback callback,
+    void* callback_context);
+
+UART_TextInputValidatorCallback
+    uart_text_input_get_validator_callback(UART_TextInput* uart_text_input);
+
+void* uart_text_input_get_validator_callback_context(UART_TextInput* uart_text_input);
+
+/** Set text input header text
+ *
+ * @param      uart_text_input  UART_TextInput instance
+ * @param      text        text to be shown
+ */
+void uart_text_input_set_header_text(UART_TextInput* uart_text_input, const char* text);
+
+#ifdef __cplusplus
+}
+#endif