Browse Source

+ added unit System.Terminal.View.Video.PTC.KVM

Nikolay Nikolov 9 months ago
parent
commit
ab9c499650

+ 8 - 0
packages/fcl-fpterm/fpmake.pp

@@ -27,6 +27,7 @@ Const
 {end of copied code}
 
   KVMAny       = KbdOSes+VideoOSes+MouseOSes;
+  PtcKvmOSes   = [linux,win32,win64,go32v2,macosx,openbsd,freebsd];
 
 Var
   P : TPackage;
@@ -49,6 +50,7 @@ begin
     P.SourcePath.Add('src');
 
     p.Dependencies.Add('rtl-console', KVMAny);
+    p.Dependencies.Add('ptckvm', PtcKvmOSes);
 
     T:=P.Targets.AddUnit('system.terminal.base.pas');
 
@@ -140,6 +142,12 @@ begin
         AddUnit('System.Terminal.PointingDeviceInput.Mouse');
       end;
 
+    T:=P.Targets.AddUnit('system.terminal.view.video.ptc.kvm.pas', PtcKvmOSes);
+    with T.Dependencies do
+      begin
+        AddUnit('system.terminal.view.video.base');
+      end;
+
     //P.NamespaceMap:='namespaces.lst';
   end;
 end;

+ 118 - 0
packages/fcl-fpterm/src/system.terminal.view.video.ptc.kvm.pas

@@ -0,0 +1,118 @@
+{ This file is part of fpterm - a terminal emulator, written in Free Pascal
+
+  This unit implements the display of the terminal, using ptckvm.
+
+  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.PTC.KVM;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  System.Terminal.View.Video.Base,
+{$IFDEF FPC_DOTTEDUNITS}
+  System.Console.Video;
+{$ELSE FPC_DOTTEDUNITS}
+  video;
+{$ENDIF FPC_DOTTEDUNITS}
+
+type
+
+  { TTerminalView_Video_ptckvm }
+
+  TTerminalView_Video_ptckvm = class(TTerminalView_Video_Base)
+  public
+    constructor Create; override;
+
+    procedure StartBlinkingCursor; override;
+    procedure StopBlinkingCursor; override;
+    function CheckPendingResize(out NewWidth, NewHeight: Integer): Boolean; override;
+  end;
+
+implementation
+
+uses
+{$IFDEF FPC_DOTTEDUNITS}
+  PTC.KVM;
+{$ELSE FPC_DOTTEDUNITS}
+  ptckvm;
+{$ENDIF FPC_DOTTEDUNITS}
+
+{ TTerminalView_Video_ptckvm }
+
+constructor TTerminalView_Video_ptckvm.Create;
+begin
+  InitEnhancedVideo;
+  ClearScreen;
+end;
+
+procedure TTerminalView_Video_ptckvm.StartBlinkingCursor;
+begin
+{$IFDEF FPC_DOTTEDUNITS}
+  ptc.kvm.StartBlinkingCursor;
+{$ELSE FPC_DOTTEDUNITS}
+  ptckvm.StartBlinkingCursor;
+{$ENDIF FPC_DOTTEDUNITS}
+end;
+
+procedure TTerminalView_Video_ptckvm.StopBlinkingCursor;
+begin
+{$IFDEF FPC_DOTTEDUNITS}
+  ptc.kvm.StopBlinkingCursor;
+{$ELSE FPC_DOTTEDUNITS}
+  ptckvm.StopBlinkingCursor;
+{$ENDIF FPC_DOTTEDUNITS}
+end;
+
+function TTerminalView_Video_ptckvm.CheckPendingResize(out NewWidth, NewHeight: Integer): Boolean;
+var
+  NewMode: TVideoMode;
+begin
+{$IFDEF FPC_DOTTEDUNITS}
+  if ptc.kvm.CheckPendingResize(NewMode) then
+{$ELSE FPC_DOTTEDUNITS}
+  if ptckvm.CheckPendingResize(NewMode) then
+{$ENDIF FPC_DOTTEDUNITS}
+  begin
+    NewWidth := NewMode.Col;
+    NewHeight := NewMode.Row;
+    Result := True;
+  end
+  else
+  begin
+    NewWidth := -1;
+    NewHeight := -1;
+    Result := False;
+  end;
+end;
+
+end.
+