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+ added unit System.Terminal.PointingDeviceInput.Mouse

Nikolay Nikolov 10 months ago
parent
commit
cc0c46bece

+ 7 - 0
packages/fcl-fpterm/fpmake.pp

@@ -108,6 +108,13 @@ begin
         AddUnit('system.terminal.keyboardinput');
         AddUnit('system.terminal.keyboardinput');
       end;
       end;
 
 
+    T:=P.Targets.AddUnit('system.terminal.pointingdeviceinput.mouse.pas', MouseOSes);
+    with T.Dependencies do
+      begin
+        AddUnit('system.terminal.base');
+        AddUnit('system.terminal.pointingdeviceinput');
+      end;
+
     //P.NamespaceMap:='namespaces.lst';
     //P.NamespaceMap:='namespaces.lst';
   end;
   end;
 end;
 end;

+ 110 - 0
packages/fcl-fpterm/src/system.terminal.pointingdeviceinput.mouse.pas

@@ -0,0 +1,110 @@
+{ This file is part of fpterm - a terminal emulator, written in Free Pascal
+
+  This unit implements a pointing device for the terminal, using unit 'Mouse'.
+
+  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.PointingDeviceInput.Mouse;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  System.Terminal.Base, System.Terminal.PointingDeviceInput;
+
+type
+
+  { TTerminalPointingDeviceInput_Mouse }
+
+  TTerminalPointingDeviceInput_Mouse = class(TTerminalPointingDeviceInput)
+  protected
+    function IsEventAvailable: Boolean; override;
+  public
+    constructor Create; override;
+    destructor Destroy; override;
+
+    procedure GetEvent(out Event: TPointingDeviceEvent); override;
+  end;
+
+implementation
+
+uses
+{$IFDEF FPC_DOTTEDUNITS}
+  System.Console.Mouse;
+{$ELSE FPC_DOTTEDUNITS}
+  Mouse;
+{$ENDIF FPC_DOTTEDUNITS}
+
+procedure MouseEvent2TerminalPointingDeviceEvent(const me: TMouseEvent; var tpde: TPointingDeviceEvent);
+var
+  b: TPointingDeviceButton;
+  bs: TPointingDeviceButtonState;
+begin
+  tpde.X := me.x;
+  tpde.Y := me.y;
+  bs := [];
+  for b := Low(TPointingDeviceButton) to High(TPointingDeviceButton) do
+    if (me.buttons and (Word(1) shl Ord(b))) <> 0 then
+      Include(bs, b);
+  tpde.ButtonState := bs;
+end;
+
+{ TTerminalPointingDeviceInput_Mouse }
+
+function TTerminalPointingDeviceInput_Mouse.IsEventAvailable: Boolean;
+var
+  me: TMouseEvent;
+begin
+  Result := PollMouseEvent(me);
+end;
+
+constructor TTerminalPointingDeviceInput_Mouse.Create;
+begin
+  inherited Create;
+  InitMouse;
+end;
+
+destructor TTerminalPointingDeviceInput_Mouse.Destroy;
+begin
+  DoneMouse;
+  inherited Destroy;
+end;
+
+procedure TTerminalPointingDeviceInput_Mouse.GetEvent(out Event: TPointingDeviceEvent);
+var
+  me: TMouseEvent;
+begin
+  FillChar(Event, SizeOf(Event), 0);
+  GetMouseEvent(me);
+  MouseEvent2TerminalPointingDeviceEvent(me, Event);
+end;
+
+end.
+