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{
Free Pascal port of the OpenPTC C++ library.
Copyright (C) 2001-2007, 2009-2011 Nikolay Nikolov (nickysn@users.sourceforge.net)
Original C++ version by Glenn Fiedler (ptc@gaffer.org)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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 library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
}
type
TPTCMouseEvent = class(TPTCEvent, IPTCMouseEvent)
private
FX, FY: Integer;
FDeltaX, FDeltaY: Integer;
FButtonState: TPTCMouseButtonState;
function GetX: Integer;
function GetY: Integer;
function GetDeltaX: Integer;
function GetDeltaY: Integer;
function GetButtonState: TPTCMouseButtonState;
protected
function GetEventType: TPTCEventType; override;
public
constructor Create(AX, AY, ADeltaX, ADeltaY: Integer; AButtonState: TPTCMouseButtonState);
{ property X: Integer read GetX;
property Y: Integer read GetY;
property DeltaX: Integer read GetDeltaX;
property DeltaY: Integer read GetDeltaY;
property ButtonState: TPTCMouseButtonState read GetButtonState;}
end;
TPTCMouseButtonEvent = class(TPTCMouseEvent, IPTCMouseButtonEvent)
private
FPress: Boolean;
FButton: TPTCMouseButton;
function GetPress: Boolean;
function GetRelease: Boolean;
function GetButton: TPTCMouseButton;
public
constructor Create(AX, AY, ADeltaX, ADeltaY: Integer; AButtonState: TPTCMouseButtonState; APress: Boolean; AButton: TPTCMouseButton);
{ property Press: Boolean read GetPress;
property Release: Boolean read GetRelease;
property Button: TPTCMouseButton read GetButton;}
end;
class function TPTCMouseEventFactory.CreateNew(AX, AY, ADeltaX, ADeltaY: Integer; AButtonState: TPTCMouseButtonState): IPTCMouseEvent;
begin
Result := TPTCMouseEvent.Create(AX, AY, ADeltaX, ADeltaY, AButtonState);
end;
class function TPTCMouseButtonEventFactory.CreateNew(AX, AY, ADeltaX, ADeltaY: Integer; AButtonState: TPTCMouseButtonState; APress: Boolean; AButton: TPTCMouseButton): IPTCMouseButtonEvent;
begin
Result := TPTCMouseButtonEvent.Create(AX, AY, ADeltaX, ADeltaY, AButtonState, APress, AButton);
end;
function TPTCMouseEvent.GetEventType: TPTCEventType;
begin
Result := PTCMouseEvent;
end;
constructor TPTCMouseEvent.Create(AX, AY, ADeltaX, ADeltaY: Integer; AButtonState: TPTCMouseButtonState);
begin
FX := AX;
FY := AY;
FDeltaX := ADeltaX;
FDeltaY := ADeltaY;
FButtonState := AButtonState;
end;
function TPTCMouseEvent.GetX: Integer;
begin
Result := FX;
end;
function TPTCMouseEvent.GetY: Integer;
begin
Result := FY;
end;
function TPTCMouseEvent.GetDeltaX: Integer;
begin
Result := FDeltaX;
end;
function TPTCMouseEvent.GetDeltaY: Integer;
begin
Result := FDeltaY;
end;
function TPTCMouseEvent.GetButtonState: TPTCMouseButtonState;
begin
Result := FButtonState;
end;
constructor TPTCMouseButtonEvent.Create(AX, AY, ADeltaX, ADeltaY: Integer; AButtonState: TPTCMouseButtonState; APress: Boolean; AButton: TPTCMouseButton);
begin
if APress xor (AButton In AButtonState) then
raise TPTCError.Create('Invalid ButtonState');
inherited Create(AX, AY, ADeltaX, ADeltaY, AButtonState);
FPress := APress;
FButton := AButton;
end;
function TPTCMouseButtonEvent.GetPress: Boolean;
begin
Result := FPress;
end;
function TPTCMouseButtonEvent.GetRelease: Boolean;
begin
Result := not FPress;
end;
function TPTCMouseButtonEvent.GetButton: TPTCMouseButton;
begin
Result := FButton;
end;
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