149 lines
4.6 KiB
ObjectPascal

{ RxAboutDialog
Copyright (C) 2005-2017 Lagunov Aleksey alexs75@yandex.ru and Lazarus team
original conception from rx library for Delphi (c)
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
}
unit RxAboutDialog;
{$mode objfpc}
interface
uses
Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs;
type
TRxAboutDialogOption = (radHelpButton, radLicenseTab, radShowImageLogo);
TRxAboutDialogOptions = set of TRxAboutDialogOption;
{ TRxAboutDialog }
TRxAboutDialog = class(TComponent)
private
FAdditionalInfo: TStrings;
FApplicationTitle: string;
FCaption: string;
FLicenseFileName: string;
FOptions: TRxAboutDialogOptions;
FPicture: TPicture;
procedure SetAdditionalInfo(const AValue: TStrings);
procedure SetPicture(const AValue: TPicture);
procedure SetRxAboutDialogOptions(const AValue: TRxAboutDialogOptions);
protected
{ Protected declarations }
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure Execute;
published
property Options:TRxAboutDialogOptions read FOptions write SetRxAboutDialogOptions;
property ApplicationTitle:string read FApplicationTitle write FApplicationTitle;
property LicenseFileName:string read FLicenseFileName write FLicenseFileName;
property Caption:string read FCaption write FCaption;
property Picture: TPicture read FPicture write SetPicture;
property AdditionalInfo:TStrings read FAdditionalInfo write SetAdditionalInfo;
end;
implementation
uses rxAboutFormUnit, ButtonPanel, rxconst;
{ TRxAboutDialog }
procedure TRxAboutDialog.SetRxAboutDialogOptions(
const AValue: TRxAboutDialogOptions);
begin
if FOptions=AValue then exit;
FOptions:=AValue;
end;
procedure TRxAboutDialog.SetPicture(const AValue: TPicture);
begin
if FPicture=AValue then exit;
FPicture.Assign(AValue);
end;
procedure TRxAboutDialog.SetAdditionalInfo(const AValue: TStrings);
begin
FAdditionalInfo.Assign(AValue);
end;
constructor TRxAboutDialog.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FPicture := TPicture.Create;
FCaption:=sAbout;
FAdditionalInfo:= TStringList.Create;
end;
destructor TRxAboutDialog.Destroy;
begin
FAdditionalInfo.Free;
FPicture.Graphic := nil;
FPicture.Free;
inherited Destroy;
end;
procedure TRxAboutDialog.Execute;
var
rxAboutFormForm: TrxAboutFormForm;
begin
rxAboutFormForm:=TrxAboutFormForm.Create(Application);
rxAboutFormForm.Caption:=FCaption;
if radLicenseTab in FOptions then
rxAboutFormForm.LoadLicense(FLicenseFileName)
else
rxAboutFormForm.TabSheet3.TabVisible:=false;
if radHelpButton in FOptions then
rxAboutFormForm.ButtonPanel1.ShowButtons:=rxAboutFormForm.ButtonPanel1.ShowButtons + [pbHelp]
else
rxAboutFormForm.ButtonPanel1.ShowButtons:=rxAboutFormForm.ButtonPanel1.ShowButtons - [pbHelp];
if FApplicationTitle <> '' then
rxAboutFormForm.lblAppTitle.Caption:=FApplicationTitle;
if radShowImageLogo in FOptions then
begin
rxAboutFormForm.Image1.Picture.Assign(Picture);
end
else
begin
end;
rxAboutFormForm.Memo2.Lines.Assign(FAdditionalInfo);
try
rxAboutFormForm.ShowModal;
finally
rxAboutFormForm.Free;
end;
end;
end.