* switch to using enhanced key events in the drivers unit

+ add TEvent.UnicodeChar to the drivers unit

* all integers replaced with smallint, in order to be able to introduce objfpc mode

* drivers.pas moved to drivers.inc

+ added drivers.pas that includes drivers.inc

+ introduced unit udrivers, which calls InitEnhancedVideo instead of InitVideo (i.e. enables unicode mode in the video unit)

* views.pas renamed views.inc

+ added views.pas that includes views.inc

+ introduced unit uviews, which is going to be the unicode enabled version of the views unit

* switched the fv units to objfpc mode

* partial unicode conversion of the views unit

+ unicode version of MoveCStr

+ unicode version of MoveStr

+ unicode version of CStrLen

+ unicode version of MoveChar

+ unicode version of MoveBuf

* unicode fixes in TFrame.Draw

* TTitleStr redefined as UnicodeString in the unicode version of the views unit

* unicode conversion of TScrollBar.Init

* unicode version of TListViewer.GetText

* unicode fixes in TListViewer.Draw

* unicode version of SpecialChars

* unicode versions of TView.TextWidth and CTextWidth

- removed the posidx, because it seems to be unused

* TWindow.Title changed to UnicodeString

* outline.pas renamed outline.inc

+ added outline.pas that includes outline.inc

+ unicode version of unit outline

* menus.pas renamed menus.inc

+ added menus.pas that includes menus.inc

+ unicode version of the menus unit

* histlist.pas renamed histlist.inc

+ added histlist.pas that include histlist.inc

+ unicode version of the histlist unit

* app, dialogs, msgbox and validate unites renamed .inc

+ added .pas files that include their respective .inc files for the units app, dialogs, msgbox and validate

+ added unicode versions of the app, dialogs, msgbox and validate units (unicode conversion not completed yet)

* updated the uses clauses of the unicode versions of the app, dialogs, msgbox
and validate units to use only unicode units in their uses clause

+ introduced the FVString type

* use FVString in the interface part of the validate unit

* fvcommon.pas renamed fvcommon.inc

+ fvcommon.pas that includes fvcommon.inc

+ ufvcommon unit

+ introduced Sw_String

* fvstring replaced with sw_string in the drivers/udrivers unit

* use ufvcommon in unit uvalidate

* replaced fvstring with sw_string in validate.inc

* use ufvcommon in uviews

* use ufvcommon in uhistlist

* use ufvcommon in unit uapp

* use ufvcommon in udialogs

- reduced number of ifdefs by using sw_string in unit views/uviews

+ use Sw_String in unit menus/umenus to reduce the number of ifdefs

+ use Sw_String in unit histlist/uhistlist to reduce the number of ifdefs

* some interface unit compilation fixes in the udialogs unit

+ introduced type Sw_PString

* more dialogs unit unicode conversion

* umsgbox unit interface unicode conversion

+ use unit (u)fvcommon in (u)msgbox

+ introduced Sw_ExtendedGraphemeCluster

* unicode fixes in the implementation of the TBackGround object

* unicode fixes in the implementation part of the uapp unit

* unicode conversion of the msgbox unit implementation, as well as the FormatStr function

* unicode fix in TDialog.ChangeTitle

* unicode fix in TDialog.NewLabel

* unicode fix in TInputLine.Init

* more unicode fixes in the udialogs unit

* unicode fixes in TInputLine.DataSize

* unicode fixes in TInputLine.Valid

+ more unicode fixes in the dialogs unit

* more unicode fixes

* more unicode fixes

* more unicode fixes

* unicode bugfixes

* unicode fixes

+ unicode fixes

* unicode fixes

* use a TUnicodeStringCollection in TCluster

+ unicode fixes in TCluster.DrawMultiBox

* more unicode fixes

+ unicode fix

+ unicode fixes

+ more unicode fixes

+ unicode fixes

+ unicode fix

+ unicode fixes

+ more unicode fixes

+ more unicode fixes

* unicode fix

+ more unicode fixes; the unicode units uapp, udialogs, umsgbox and uvalidate now compile

+ test unicode app added

+ unicode fix in TDesktop.InitBackground

+ introduced StrWidth

+ implemented StrWidth and CStrLen, using the new extended grapheme cluster string enumerator

+ use the enhanced grapheme cluster enumerator in UDrivers.MoveCStr and MoveStr

+ some fv unicode fixes for supporting complex (multi-char) enhanced grapheme clusters

- disable optimizations to ease debugging

* fixed reference count bug in the unicode version of TView.do_writeViewRec1

* updated unicode example string

- reduced the number of ifdefs in TStatusLine.DrawSelect

- removed ifdefs from TStatusLine.HandleEvent

- removed an ifdef from DisposeMenu

* use SW_PString in TMenuItem to avoid an ifdef

* use Sw_PString in TStatusItem to avoid an ifdef

- removed one ifdef from TMenuView.Load

- cleanup ifdefs from TMenuView.Execute

- removed ifdefs from TMenuView.GetHelpCtx

- cleaned up more ifdefs

- cleaned more ifdefs

- more ifdefs removed by the use of Sw_NewStr

+ use Video.StringDisplayWidth in UDrivers.StrWidth

+ use Video.ExtendedGraphemeClusterDisplayWidth in UDriver.CStrLen in order to support wide characters

- removed no longer used local variable

+ use Video.ExtendedGraphemeClusterDisplayWidth to support double width characters in MoveStr and MoveCStr

+ implement TView.TextWidth and TView.CTextWidth via StrWidth and CStrLen

+ unicode fixes in TMenuBox.Draw

+ Unicode aware implementation of TStaticText.Draw

+ test dialog box

+ unicode fixes for the window title

+ button test

+ added scrollbar and listbox to the unicode example

+ use different languages in the list box

+ unicode fixes in TCluster.DrawMultiBox

+ added horizontal scrollbar to the demo

+ enable PInputLine in the unicode demo

+ TInputLine unicode keyboard text input fixed

+ wide and combining character support when determining the cursor position in TInputLine

+ unicode combining and wide character support in TInputLine.Draw

+ wide and combining character support in TInputLine.HandleEvent.MousePos. This
means cursor positioning and text selection with the mouse now works properly
with these special unicode characters

* fixed double width character at the end of TInputLine covering the right
scroll arrow

+ introduced UDrivers.EgcWidth

+ optimization: use EgcWidth instead of StrWidth wherever possible

+ added lpi file for compiling testuapp for windows

* timeddlg.pas renamed timeddlg.inc

+ added timeddlg.pas that includes timeddlg.inc

+ added unicode version of the timeddlg unit

* inplong.pas renamed inplong.inc

+ added inplong.pas that includes inplong.inc

+ added unit uinplong - unicode version of inplong

* tabs.pas renamed tabs.inc

+ added tabs.pas that includes tabs.inc

+ added utabs - unicode version of the tabs unit

* unicode conversion of the non-ASCII characters in statuses.pas

* replaced non-ascii characters to #XXX equivalents

* converted non-ascii characters in stddlg.pas to unicode and #XXX equivalents in the non-unicode version

* converted some non-ascii characters to unicode
* converted non-ascii characters to #XXX equivalents

* replaced high ascii characters with #XXX equivalents and provided unicode equivalents

* hide the (currently broken, to be fixed) unix internal/external code page
stuff to the implementation part of the unit

* cleanup of garbage, resolves gitlab 0039487

Amiga: Fix for unable to type in FV applications for Amiga-systems

* header added remaining files for bug gitlab 0039481

* PChar -> PAnsichar

* Dotted filenames for package fv

Properly mirror InitEnhancedVideo with DoneEnhancedVideo in FV.

Message box have to draw some blank lines.

FV Drivers: change name for mouse scroll up/down

FV TScroller and TEditor respond to mouse scroll

FV In ListBox mouse scroll function as Key Up or Key Down

Unit ColorSel reimplemented (partially)

Namespaces in ColorSel unit

Fix FV history list

Add fvclip unit

Bracketed paste and OSC 52 in FV

* Correct names, needed for fpmake to work

* Fix namespaced compile

fvclip unit file name fixes

Screen width more than 255 chars (for Unixes at least)

Detach List scrollbar value change of focused item change

FV add mouse triple click

Fix TGroup.IndexOf. Report Last as last not as 1.

Complete ColorSel units load and store procedures.

Implemented dedicated mouse wheel event in FV.

* Example from Margers from merge request !953

Add widestring manager in uses.

Mouse wheel buttons fix when other button holding down.

Fix paste unicode string problem.

UTF8 friendly source code.

Window width, fix left arrow draw, use Lenght not access S[0].

TColorDisplay.Store fix.

Change Draw to DrawView.

FormatStr deal with UnicodeString.

Fix comment.

Remove explicit unit specify.

Use Length function instead of S[0].

Fix unit name in uses.

Adapt Free Vision App to screen resize.

Register TClockView and THeapView.

Wide end of line character.

Select by mouse scroll in TEditor.

Editors use id constants for ObjType.

Treat `#10` as line break in TStaticText.

Mouse wheel do not affect AutoTicks.

Add "Cluster disabled" entry in ColorSel.

Fixes for FV TInputLine's GetData, SetData and DataSize functions

Popup menu on click select correct item.

Ensure that empty line is empty.

Initialize string variable.

TFilterValidator.IsValidInput fix.

Move Free Vision units to include files.

Add Unicode Free Vision units.

Unicode Free Vision.

Update fpmake, add doted units for Unicode Free Vision.

Add Free Vision examples.

Avoid compilation failure for some i8086 memory models

Editor fix memory access out of bounds.

Find, replace work with unicode strings.

Replace dialog title string.

Change dialog title from "Ascii table" to "ASCII Table".

Correct DataSize of Input line.

* Improve file selection dialog, patch by unxed. Fixes issue gitlab 0041404

Consecutive mouse wheel events will be "double" events.

Fix bracketed paste.

Allow to navigate between buttons not only with Tab/Shift+Tab, but also using arrow keys as it is common UI/UX pattern now.

Minor File dialog tweaks

Added support for Copy/Cut to system clipboard to TInputLine

Ctrl+Arrows now work in TInputLine

Support non-latin menu hotkes

Support non-latin menu hotkes

More robust hotkey matchting logic

cosmetic

Fixed inner menu hotkeys (w/o Alt)

Fixed gitlab 0041450

minor: backpace key now correctly deletes selected test in input lines

minor: navigation with the Ctrl+arrow_keys should consider not only spaces but also punctuation marks as word separators

Do not insert any text in input line if Ctrl is pressed

- unicode support in freevision testapp
- enable unicode build on unix by default

Sync editor to recent TInputLine improvements:

- Ctrl+arrows should use punctuation as word separators also
- OSC52 copy to clipboard support
- Ctrl+letters should not type letters

Also, added Ctrl+A as "select all" hotkey

Align Ctrl+Right behavior with Ctrl+Left

The word navigation logic for Ctrl+Right incorrectly included trailing
delimiters (spaces, punctuation) after the word. This created an
asymmetric and unintuitive experience compared to Ctrl+Left.

This commit adjusts the logic in both TInputLine and TEditor.NextWord
to first skip delimiters and then skip the word itself, ensuring the
cursor stops precisely at the word boundary.

Fixed remaining keyboard problems. At lease, some of them :)

Added event counter

The word-wise navigation using Ctrl+Arrow keys in TInputLine and TEditor was inconsistent with the behavior found in most modern text editors.
When the cursor was positioned at the first or last significant (non-whitespace) character, it would not proceed to the absolute start or end of the line on a subsequent keypress. This made it cumbersome to select an entire line easily.

This commit updates the logic to align with modern UI standards:
- In TInputLine, when the cursor is at the first significant character, the next Ctrl+Left press now moves it to the absolute beginning of the line. Similarly, Ctrl+Right from the last significant character moves it to the absolute end.
- In TEditor, the PrevWord and NextWord methods have been updated with the same logic, ensuring consistent behavior for Ctrl+Arrow navigation.

This enhancement provides a more intuitive and efficient user experience for text navigation and selection.

Fix Video unit doted name in uses for Amiga.

Mouse start position in upper left corner.

Minor bug fixes in keytest.pas. Issue gitlab 0041473.

TEditor handle file with utf BOM.

Reposition any dialog window along with terminal resize.

Color dialog more flexible and suited for extending.

Adapt Keytest example for non Unicode FreeVision.

Views in an inactive Tab page calculate new bounds on Tab view resize.

Bracketed paste fixed for fv InputLine. Issue gitlab 0041472.

Rework OSC 52 clipboard paste integration logic with FreeVision.

Global OS clipboard in FreeVision with fallback to local clipboard if first one is absent or fails.

Update example demoedit to changed clipboard integration.

Cosmetics for platform.inc.

Add unit pmode to FreeVision.

Copy and integrate content of WinClip to unit fvclip.

Fix some doted unit names.

Fix compilation of fvclip unit for win16 OS

Clipbaord for msdos target.

Remove code that broke Alt+key in Free Vision.

Up to 1024 columns on screen (Windows).

Enable mouse input in Windows console for Free Vision by default.

Let Video driver manage Windows console size.

Focused directory color in inactive List.

Give to directory its own color.

Change TWindow ZoomRect along with terminal resize.

Str[0] to Length(Str). Modified patch by Joe care. Fix issue gitlab 0037777.

Ctrl-\ does not generate SIGQUIT. Fix issue gitlab 0026107.
Ctrl-C does not generate "Signal error: 295"

Fix compilation failure for small data models

Replace all ifdef windows by ifdef OS_WINDOWS, as the correponding code is not valid for i8086-win16 target

Less unnecessary screen updates.

Fix segmentation fault on Window frame width less than 5 characters.

Recall (with F5 - zoom) in off screen stuck Window.

Restored array of Sw_Word to array of Word as those are ment to be video buffer cells.

Contra intuitive: TEditor.SetBufSize should not change BufSize at all

Larger Change Directory dialog for larger console/terminal dimensions

Larger File Open dialog for larger console/terminal dimensions

Editor load files in read only mode

Screen width more than 255 fix for Statuses unit.

Accept all possible line endings.

Do not allow resize Ascii Table window.

Fix finding line start.

Adjust max line length as you type in TEditor.