feat: 'edited' property reset & add 'oncontrolkey' textbox callback

doc/en/scripting/ui.md

@@ -79,7 +79,7 @@ Properties:
 | hint        | string | yes  | yes   | text to display when nothing is entered                                              |
 | caret       | int    | yes  | yes   | carriage position. `textbox.caret = -1` will set the position to the end of the text |
 | editable    | bool   | yes  | yes   | text mutability                                                                      |
-| edited      | bool   | yes  | no    | is text edited since the last set (history is not empty)                             |
+| edited      | bool   | yes  | yes\* | is text edited since the last set / edited status reset                              |
 | multiline   | bool   | yes  | yes   | multiline support                                                                    |
 | lineNumbers | bool   | yes  | yes   | display line numbers                                                                 |
 | textWrap    | bool   | yes  | yes   | automatic text wrapping (only with multiline: "true")                                |
@@ -88,6 +88,8 @@ Properties:
 | syntax      | string | yes  | yes   | syntax highlighting ("lua" - Lua)                                                    |
 | markup      | string | yes  | yes   | text markup language ("md" - Markdown)                                               |
 
+\* - false only
+
 Methods:
 
 | Method                    | Description                                                      |

doc/en/xml-ui-layouts.md

@@ -110,6 +110,8 @@ Inner text - initially entered text
 - `supplier` - text supplier (called every frame)
 - `consumer` - lua function that receives the entered text. Called only when input is complete
 - `sub-consumer` - lua function-receiver of the input text. Called during text input or deletion.
+- `oncontrolkey` - lua function called for combinations of the form (Ctrl + ?). The codepoint of the second key is given as the first argument.
+The key code for comparison can be obtained via `input.keycode("key_name")`
 - `autoresize` - automatic change of element size (default - false). Does not affect font size.
 - `multiline` - allows display of multiline text.
 - `text-wrap` - allows automatic text wrapping (works only with multiline: "true")