A text-based widget toolkit
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README.md

Build Status Coverity Scan Status

The Final Cut

The Final Cut is a class library and widget toolkit with full mouse support for creating a text-based user interface. The library supports the programmer to develop an application for the text console. It allows the simultaneous handling of multiple windows on the screen.
The C++ class design was inspired by the Qt framework. It provides common controls like dialog windows, push buttons, check boxes, radio buttons, input lines, list boxes, status bars and so on.

newfont

A new text font for X11 and the Linux console.

Virtual terminal

It uses a virtual terminal to print the character via an update method on the screen.
The virtual windows are an overlying layer to realizing window movements.
The update method transmits only the changes to the virtual terminal or the screen.

 print(...)
printf(...)
  │
  │           ╔═════════════════════════[ vterm ]═════════════════════════╗
  │           ║createVTerm()                                              ║
  │           ║                                 ┌ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ┐ ║
  │           ║                                                           ║
  │           ║                                 │ restoreVTerm(x,y,w,h) │ ║
  │           ║                                                           ║
  │           ║                                 └ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ┘ ║
  │           ║                                                           ║
  │   ┌───────╨─────[ vwin ]─────────────┐                                ║
  │   │createArea(area)                  │                                ║
  │   │                                  │                                ║
  │   │                                  │                                ║
  └───┼─────────────►     ──────► updateVTerm(area) ────►                 ║
      │                                  │                                ║
      │                           putArea(x,y,area)                       ║
      │                         ────────────────────►                     ║
      │                           getArea(x,y,area)                       ║
      │                        ◄────────────────────                      ║
      │                                  │                                ║
      │                                  │                                ║
      │                  resizeArea(area)│                                ║
      └───────╥──────────────────────────┘                                ║
              ║                                                           ║
              ║                                                           ║
              ║                                                           ║
              ║   │                                          resizeVTerm()║
              ╚═══▼═══════════════════════════════════════════════════════╝
                  │
                  │    putVTerm()      ┌───────────────┐
                  └───────────────────►│ output_buffer │
                    updateTerminal()   └───────┬───────┘
                                               │
                                               │ flush_out() 
                                               │     +
                                               │ Fputchar(char)
                                               │
                                               ▼
                                       ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
                                       ▌               ▐
                                       ▌    screen     ▐
                                       ▌ ───────────── ▐
                                       ▌ real terminal ▐
                                       ▌               ▐
                                       ▀▀▀▀▀▀▀███▀▀▀▀▀▀▀
                                              ███
                                           ▀▀▀▀▀▀▀▀▀

Class digramm

                                 ┌───────────┐
                            ┌────┤ FKeyEvent │
                            │    └───────────┘
                            │    ┌─────────────┐
                            ├────┤ FMouseEvent │
                            │    └─────────────┘
                            │    ┌─────────────┐
                            ├────┤ FWheelEvent │
                            │    └─────────────┘
                            │    ┌─────────────┐
                            ├────┤ FFocusEvent │
                            │    └─────────────┘
                            │    ┌─────────────┐
                ┌────────┐  ├────┤ FAccelEvent │
                │ FEvent │◄─┤    └─────────────┘
                └────┬───┘  │    ┌──────────────┐
                     :1     ├────┤ FResizeEvent │
                     :      │    └──────────────┘
                     :      │    ┌────────────┐
                     :      ├────┤ FShowEvent │
                     :      │    └────────────┘
                     :      │    ┌────────────┐
                     :      ├────┤ FHideEvent │
                     :      │    └────────────┘
                     :      │    ┌─────────────┐
                     :      ├────┤ FCloseEvent │
                     :      │    └─────────────┘
                     :      │    ┌─────────────┐
                     :      └────┤ FTimerEvent │
                     :           └─────────────┘
                     :
                     :           ┌──────────────┐
                     :      ┌────┤ FApplication │
                     :      │    └──────────────┘
                     :      │    ┌─────────┐1
                     :      ├────┤ FButton ├-----------------------------.
                     :      │    └─────────┘                             :
                     :      │    ┌────────┐1                             :
                     :      ├────┤ FLabel ├------------------------------:
                     :      │    └────────┘                              :
                     :      │    ┌───────────┐1                          :
                     :      ├────┤ FLineEdit ├---------------------------:
                     :      │    └───────────┘                           :
                     :      │    ┌──────────────┐      ┌──────────────┐1 :
                     :1     ├────┤ FButtonGroup │   ┌──┤ FRadioButton ├--:
 ┌─────────┐   ┌─────┴───┐  │    └──────────────┘   │  └──────────────┘  :
 │ FObject │◄─┬┤ FWidget │◄─┤    ┌───────────────┐  │  ┌───────────┐1    :
 └─────────┘  │└───┬─┬───┘  ├────┤ FToggleButton │◄─┼──┤ FCheckBox ├-----:
              │    :1:1     │    └───────────────┘  │  └───────────┘     :
   ┌───────┐  │    : :      │    ┌──────────────┐   │  ┌─────────┐1      :
   │ FTerm │◄─┘    : :      ├────┤ FProgressbar │   └──┤ FSwitch ├-------:  *┌─────────┐
   └──┬─┬──┘       : :      │    └──────────────┘      └─────────┘       :---┤ FString │
      :1:1         : :      │    ┌────────────┐                          :   └─────────┘
      : └----------: :      ├────┤ FScrollbar │                          :
      :1           : :      │    └────────────┘                          :
 ┌────┴──────┐     : :      │    ┌───────────┐1                          :
 │ FOptiMove │     : :      ├────┤ FTextView ├---------------------------:
 └───────────┘     : :      │    └───────────┘                           :
                   : :      │    ┌──────────┐1     *┌──────────────┐1    :
                   : :      ├────┤ FListBox ├-------┤ FListBoxItem ├-----:
                   : :      │    └──────────┘       └──────────────┘     :
                   : :      │    ┌────────────┐1   *┌────────────┐1      :
                   : :      ├────┤ FStatusBar ├-----┤ FStatusKey ├-------:
                   : :      │    └────┬───────┘     └────────────┘       :
                   : :      │        1└----------------------------------:
                   : :      │                         ┌─────────────┐1   :
                   : :  ┌───┴─────┐  ┌─────────┐   ┌──┤ FFileDialog ├----:
                   : :  │ FWindow │◄─┤ FDialog │◄──┤  └─────────────┘    :
                   : :  └─────────┘  └────┬────┘   │  ┌─────────────┐1   :
                   : :                    :        └──┤ FMessageBox ├----:
                   : :                    :           └─────────────┘    :
                   : :                   1└------------------------------:
                   : :                                                   :
                   : └---------------------------------------------------'
                   :  *┌────────┐
                   :---┤ FPoint │
                   :   └────────┘
                   :  *┌───────┐
                   └---┤ FRect │
                       └───────┘