+ added unit System.Terminal.View.Video

packages/fcl-fpterm/fpmake.pp

@@ -122,6 +122,12 @@ begin
         AddUnit('system.terminal.view');
       end;
 
+    T:=P.Targets.AddUnit('system.terminal.view.video.pas', VideoOSes);
+    with T.Dependencies do
+      begin
+        AddUnit('system.terminal.view.video.base');
+      end;
+
     //P.NamespaceMap:='namespaces.lst';
   end;
 end;

packages/fcl-fpterm/src/system.terminal.view.video.pas

@@ -0,0 +1,120 @@
+{ This file is part of fpterm - a terminal emulator, written in Free Pascal
+
+  This unit implements the display of the terminal, using the unit 'video'.
+
+  Copyright (C) 2024 Nikolay Nikolov <[email protected]>
+
+  This library is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or (at your
+  option) any later version with the following modification:
+
+  As a special exception, the copyright holders of this library give you
+  permission to link this library with independent modules to produce an
+  executable, regardless of the license terms of these independent modules,and
+  to copy and distribute the resulting executable under terms of your choice,
+  provided that you also meet, for each linked independent module, the terms
+  and conditions of the license of that module. An independent module is a
+  module which is not derived from or based on this library. If you modify
+  this library, you may extend this exception to your version of the library,
+  but you are not obligated to do so. If you do not wish to do so, delete this
+  exception statement from your version.
+
+  This program is distributed in the hope that it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
+  for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with this library; if not, write to the Free Software Foundation,
+  Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA.
+}
+
+unit System.Terminal.View.Video;
+
+{$mode objfpc}{$H+}
+
+{$if defined(UNIX)}
+  {$DEFINE HAS_TERMIO}
+{$endif}
+
+interface
+
+uses
+  System.Terminal.View.Video.Base
+{$ifdef HAS_TERMIO}
+  {$IFDEF FPC_DOTTEDUNITS}
+    , UnixApi.TermIO
+  {$ELSE FPC_DOTTEDUNITS}
+    , termio
+  {$ENDIF FPC_DOTTEDUNITS}
+{$endif HAS_TERMIO};
+
+type
+
+  { TTerminalView_Video }
+
+  TTerminalView_Video = class(TTerminalView_Video_Base)
+  private
+{$ifdef HAS_TERMIO}
+    FLastWinSize: TWinSize;
+{$endif HAS_TERMIO}
+  public
+{$ifdef HAS_TERMIO}
+    constructor Create; override;
+{$endif HAS_TERMIO}
+    function CheckPendingResize(out NewWidth, NewHeight: Integer): Boolean; override;
+  end;
+
+implementation
+
+{$ifdef HAS_TERMIO}
+uses
+  {$IFDEF FPC_DOTTEDUNITS}
+    UnixApi.Base;
+  {$ELSE FPC_DOTTEDUNITS}
+    baseunix;
+  {$ENDIF FPC_DOTTEDUNITS}
+{$endif HAS_TERMIO}
+
+{ TTerminalView_Video }
+
+{$ifdef HAS_TERMIO}
+constructor TTerminalView_Video.Create;
+begin
+  inherited Create;
+  fpioctl(stdinputhandle,TIOCGWINSZ,@FLastWinSize);
+end;
+{$endif HAS_TERMIO}
+
+{$ifdef HAS_TERMIO}
+function TTerminalView_Video.CheckPendingResize(out NewWidth, NewHeight: Integer): Boolean;
+var
+  ws: TWinSize;
+begin
+  fpioctl(stdinputhandle,TIOCGWINSZ,@ws);
+  if (ws.ws_col <> FLastWinSize.ws_col) or (ws.ws_row <> FLastWinSize.ws_row) then
+  begin
+    FLastWinSize := ws;
+    NewWidth := ws.ws_col;
+    NewHeight := ws.ws_row;
+    Result := True;
+  end
+  else
+  begin
+    NewWidth := -1;
+    NewHeight := -1;
+    Result := False;
+  end;
+end;
+{$else HAS_TERMIO}
+function TTerminalView_Video.CheckPendingResize(out NewWidth, NewHeight: Integer): Boolean;
+begin
+  NewWidth := -1;
+  NewHeight := -1;
+  Result := False;
+end;
+{$endif HAS_TERMIO}
+
+end.
+