Added int keyboard

helpers/gui/int_input.c

@@ -0,0 +1,390 @@
+#include "int_input.h"
+
+#include <gui/elements.h>
+#include <furi.h>
+#include <assets_icons.h>
+
+/** IntInput type */
+struct IntInput {
+    View* view;
+};
+
+typedef struct {
+    const char text;
+    const uint8_t x;
+    const uint8_t y;
+} IntInputKey;
+
+typedef struct {
+    const char* header;
+    char* text_buffer;
+    size_t text_buffer_size;
+    bool clear_default_text;
+
+    IntInputCallback callback;
+    void* callback_context;
+
+    int8_t selected_row;
+    uint8_t selected_column;
+} IntInputModel;
+
+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 IntInputKey keyboard_keys_row_1[] = {
+    {'0', 0, 12},
+    {'1', 11, 12},
+    {'2', 22, 12},
+    {'3', 33, 12},
+    {'4', 44, 12},
+    {backspace_symbol, 103, 4},
+};
+
+static const IntInputKey keyboard_keys_row_2[] = {
+    {'5', 0, 26},
+    {'6', 11, 26},
+    {'7', 22, 26},
+    {'8', 33, 26},
+    {'9', 44, 26},
+    {enter_symbol, 95, 17},
+};
+
+/** Get row size
+ *
+ * @param      row_index  Index of row
+ *
+ * @return     uint8_t Row size
+ */
+static uint8_t int_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();
+    }
+
+    return row_size;
+}
+
+/** Get row pointer
+ *
+ * @param      row_index  Index of row
+ *
+ * @return     const IntInputKey* Row pointer
+ */
+static const IntInputKey* int_input_get_row(uint8_t row_index) {
+    const IntInputKey* 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();
+    }
+
+    return row;
+}
+
+/** Draw input box (common view)
+ *
+ * @param      canvas  The canvas
+ * @param      model   The model
+ */
+static void int_input_draw_input(Canvas* canvas, IntInputModel* model) {
+    const uint8_t text_x = 8;
+    const uint8_t text_y = 25;
+
+    elements_slightly_rounded_frame(canvas, 6, 14, 116, 15);
+
+    const char* text = model->text_buffer;
+    canvas_draw_str(canvas, text_x, text_y, text);
+}
+
+static void int_input_backspace_cb(IntInputModel* 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;
+    }
+}
+
+/** Handle up button
+ *
+ * @param      model  The model
+ */
+static void int_input_handle_up(IntInputModel* model) {
+    if(model->selected_row > 0) {
+        model->selected_row--;
+    }
+}
+
+/** Handle down button
+ *
+ * @param      model  The model
+ */
+static void int_input_handle_down(IntInputModel* model) {
+    if(model->selected_row < keyboard_row_count - 1) {
+        model->selected_row += 1;
+    }
+}
+
+/** Handle left button
+ *
+ * @param      model  The model
+ */
+static void int_input_handle_left(IntInputModel* model) {
+    if(model->selected_column > 0) {
+        model->selected_column--;
+    } else {
+        model->selected_column = int_input_get_row_size(model->selected_row) - 1;
+    }
+}
+
+/** Handle right button
+ *
+ * @param      model  The model
+ */
+static void int_input_handle_right(IntInputModel* model) {
+    if(model->selected_column < int_input_get_row_size(model->selected_row) - 1) {
+        model->selected_column++;
+    } else {
+        model->selected_column = 0;
+    }
+}
+
+/** Handle OK button
+ *
+ * @param      model  The model
+ */
+static void int_input_handle_ok(IntInputModel* model) {
+    char selected = int_input_get_row(model->selected_row)[model->selected_column].text;
+    size_t text_length = strlen(model->text_buffer);
+    if(selected == enter_symbol) {
+        model->callback(model->callback_context);
+    } else if(selected == backspace_symbol) {
+        int_input_backspace_cb(model);
+    } else {
+        if(model->clear_default_text) {
+            text_length = 0;
+        }
+        if(text_length < (model->text_buffer_size - 1)) {
+            model->text_buffer[text_length] = selected;
+            model->text_buffer[text_length + 1] = 0;
+        }
+    }
+    model->clear_default_text = false;
+}
+
+/** Draw callback
+ *
+ * @param      canvas  The canvas
+ * @param      _model  The model
+ */
+static void int_input_view_draw_callback(Canvas* canvas, void* _model) {
+    IntInputModel* model = _model;
+    uint8_t text_length = model->text_buffer ? strlen(model->text_buffer) : 0;
+    UNUSED(text_length);
+
+    canvas_clear(canvas);
+    canvas_set_color(canvas, ColorBlack);
+
+    int_input_draw_input(canvas, model);
+
+    canvas_set_font(canvas, FontSecondary);
+    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 = int_input_get_row_size(row);
+        const IntInputKey* keys = int_input_get_row(row);
+
+        for(size_t column = 0; column < column_count; column++) {
+            if(keys[column].text == 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].text == 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].text);
+            }
+        }
+    }
+}
+
+/** Input callback
+ *
+ * @param      event    The event
+ * @param      context  The context
+ *
+ * @return     true
+ * @return     false
+ */
+static bool int_input_view_input_callback(InputEvent* event, void* context) {
+    IntInput* int_input = context;
+    furi_assert(int_input);
+
+    bool consumed = false;
+
+    // Fetch the model
+    IntInputModel* model = view_get_model(int_input->view);
+
+    if(event->type == InputTypeShort || event->type == InputTypeLong ||
+       event->type == InputTypeRepeat) {
+        consumed = true;
+        switch(event->key) {
+        case InputKeyLeft:
+            int_input_handle_left(model);
+            break;
+        case InputKeyRight:
+            int_input_handle_right(model);
+            break;
+        case InputKeyUp:
+            int_input_handle_up(model);
+            break;
+        case InputKeyDown:
+            int_input_handle_down(model);
+            break;
+        case InputKeyOk:
+            int_input_handle_ok(model);
+            break;
+        default:
+            consumed = false;
+            break;
+        }
+    }
+
+    // commit view
+    view_commit_model(int_input->view, consumed);
+
+    return consumed;
+}
+
+void int_input_reset(IntInput* int_input) {
+    FURI_LOG_D("INT_INPUT", "Resetting Model");
+    furi_assert(int_input);
+    with_view_model(
+        int_input->view,
+        IntInputModel * model,
+        {
+            model->header = "";
+            model->selected_row = 0;
+            model->selected_column = 0;
+            model->clear_default_text = false;
+            model->text_buffer = "";
+            model->text_buffer_size = 0;
+            model->callback = NULL;
+            model->callback_context = NULL;
+        },
+        true);
+}
+
+IntInput* int_input_alloc() {
+    IntInput* int_input = malloc(sizeof(IntInput));
+    int_input->view = view_alloc();
+    view_set_context(int_input->view, int_input);
+    view_allocate_model(int_input->view, ViewModelTypeLocking, sizeof(IntInputModel));
+    view_set_draw_callback(int_input->view, int_input_view_draw_callback);
+    view_set_input_callback(int_input->view, int_input_view_input_callback);
+
+    int_input_reset(int_input);
+
+    return int_input;
+}
+
+void int_input_free(IntInput* int_input) {
+    furi_assert(int_input);
+    view_free(int_input->view);
+    free(int_input);
+}
+
+View* int_input_get_view(IntInput* int_input) {
+    furi_assert(int_input);
+    return int_input->view;
+}
+
+void int_input_set_result_callback(
+    IntInput* int_input,
+    IntInputCallback callback,
+    void* callback_context,
+    char* text_buffer,
+    size_t text_buffer_size,
+    bool clear_default_text) {
+    with_view_model(
+        int_input->view,
+        IntInputModel * 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;
+        },
+        true);
+}
+
+void int_input_set_header_text(IntInput* int_input, const char* text) {
+    with_view_model(
+        int_input->view, IntInputModel * model, { model->header = text; }, true);
+}