[FL-1497] GUI textbox element and widget (#792)

* canvas: add font parameters
* elements: add text box element
* widget: add text box element
* nfc: rework delete and info scene with text box widget
* gui: update documentation
* gui: fix canvas_get_font_params return

Co-authored-by: あく <alleteam@gmail.com>

applications/gui/modules/widget_elements/widget_element_text_box.c

@@ -0,0 +1,71 @@
+#include "widget_element_i.h"
+#include <m-string.h>
+#include <gui/elements.h>
+
+typedef struct {
+    uint8_t x;
+    uint8_t y;
+    uint8_t width;
+    uint8_t height;
+    Align horizontal;
+    Align vertical;
+    string_t text;
+} GuiTextBoxModel;
+
+static void gui_text_box_draw(Canvas* canvas, WidgetElement* element) {
+    furi_assert(canvas);
+    furi_assert(element);
+    GuiTextBoxModel* model = element->model;
+
+    if(string_size(model->text)) {
+        elements_text_box(
+            canvas,
+            model->x,
+            model->y,
+            model->width,
+            model->height,
+            model->horizontal,
+            model->vertical,
+            string_get_cstr(model->text));
+    }
+}
+
+static void gui_text_box_free(WidgetElement* gui_string) {
+    furi_assert(gui_string);
+
+    GuiTextBoxModel* model = gui_string->model;
+    string_clear(model->text);
+    free(gui_string->model);
+    free(gui_string);
+}
+
+WidgetElement* widget_element_text_box_create(
+    uint8_t x,
+    uint8_t y,
+    uint8_t width,
+    uint8_t height,
+    Align horizontal,
+    Align vertical,
+    const char* text) {
+    furi_assert(text);
+
+    // Allocate and init model
+    GuiTextBoxModel* model = furi_alloc(sizeof(GuiTextBoxModel));
+    model->x = x;
+    model->y = y;
+    model->width = width;
+    model->height = height;
+    model->horizontal = horizontal;
+    model->vertical = vertical;
+    string_init_set_str(model->text, text);
+
+    // Allocate and init Element
+    WidgetElement* gui_string = furi_alloc(sizeof(WidgetElement));
+    gui_string->parent = NULL;
+    gui_string->input = NULL;
+    gui_string->draw = gui_text_box_draw;
+    gui_string->free = gui_text_box_free;
+    gui_string->model = model;
+
+    return gui_string;
+}