unit uROPoweredByRemObjectsButton;

{----------------------------------------------------------------------------}
{ RemObjects SDK Library - Core Library                                      }
{                                                                            }
{ compiler: Delphi 5 and up, Kylix 2 and up                                  }
{ platform: Win32, Linux                                                     }
{                                                                            }
{ (c)opyright RemObjects Software. all rights reserved.                      }
{                                                                            }
{ Using this code requires a valid license of the RemObjects SDK             }
{ which can be obtained at http://www.remobjects.com.                        }
{----------------------------------------------------------------------------}

{$I RemObjects.inc}

interface

uses
  {$IFDEF FPC}LResources,{$ENDIF}
  {$IFDEF LINUX}
  SysUtils, Classes {$IFDEF FPC}, Controls, Graphics {$ELSE}, QControls, QGraphics{$ENDIF};
  {$ELSE}
  //ToDo: sort those out!
  Windows, SysUtils, Messages, Classes, Controls, Graphics, Forms, Dialogs,
  Menus,  StdCtrls, ExtCtrls;
  {$ENDIF}

{$IFNDEF FPC}  
  {$R uROPoweredByRemObjectsButton.res}
{$ENDIF}

type
  TROPoweredByType = (atServer, atClient);

  TROPoweredByRemObjectsButton = class(TGraphicControl)
  private
    fBitmap: TBitmap;
    fApplicationType: TROPoweredByType;
    function GetHeight: byte;
    function GetWidth: byte;
    procedure SetHeight(const Value: byte);
    procedure SetWidth(const Value: byte);
    procedure SetApplicationType(const Value: TROPoweredByType);
    procedure UpdateBitmap;
  protected
    {$IFDEF MSWINDOWS}
    procedure WMEraseBkgnd(var Msg: TWMEraseBkgnd); message WM_ERASEBKGND;
    {$ENDIF}
    property Bitmap: TBitmap read fBitmap;
    procedure GetBitmap; virtual;
  public
    { Public declarations }
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    procedure Paint; override;
    procedure Click; override;
    procedure SetBounds(ALeft, ATop, AWidth, AHeight: Integer); override;
  published
    { Published properties and events }
    property Height: byte read GetHeight Write SetHeight;
    property Width: byte read GetWidth Write SetWidth;
    property Anchors;
    property ApplicationType: TROPoweredByType read fApplicationType write SetApplicationType default atServer;
  end;  { TRoPoweredByRemObjectsButton }

implementation

{$IFDEF MSWINDOWS}
uses ShellAPI;
{$ENDIF MSWINDOWS}

const
  STR_POWERED_BY_REMOBJECTS_CLIENT = 'POWERED_BY_REMOBJECTS_CLIENT';
  STR_POWERED_BY_REMOBJECTS_SERVER = 'POWERED_BY_REMOBJECTS_SERVER';

constructor TRoPoweredByRemObjectsButton.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  fBitmap := TBitmap.Create();
  UpdateBitmap();
  SetBounds(Left, Top, -1, -1); { width/height get ignored anyway }
  {$IFDEF MSWINDOWS}
  Cursor := crHandPoint;
  {$ENDIF MSWINDOWS}
end;  { Create }

destructor TRoPoweredByRemObjectsButton.Destroy;
begin
  FreeAndNil(fBitmap);
  inherited Destroy;
end;  { Destroy }

procedure TRoPoweredByRemObjectsButton.Paint;
begin
  //inherited;
  Canvas.Draw(0,0,fBitmap);
end;

procedure TRoPoweredByRemObjectsButton.Click;
begin
  {$IFDEF MSWINDOWS}
  ShellExecute(0,'open','http://www.remobjects.com',nil,nil,SW_SHOWNORMAL);
  {$ENDIF MSWINDOWS}
end;


procedure TRoPoweredByRemObjectsButton.SetBounds(ALeft, ATop, AWidth,
  AHeight: Integer);
begin
  inherited SetBounds(ALeft,ATop,fBitmap.Width,fBitmap.Height);

end;

procedure TROPoweredByRemObjectsButton.SetApplicationType(const Value: TROPoweredByType);
begin
  if (fApplicationType <> Value) then begin
    fApplicationType := Value;
    UpdateBitmap;
  end;
end;

procedure TROPoweredByRemObjectsButton.UpdateBitmap;
begin
  GetBitmap();
  Invalidate;
end;

procedure TROPoweredByRemObjectsButton.GetBitmap;
begin
  case fApplicationType of
    atServer: Bitmap.LoadFromResourceName(hInstance,STR_POWERED_BY_REMOBJECTS_SERVER);
    atClient: Bitmap.LoadFromResourceName(hInstance,STR_POWERED_BY_REMOBJECTS_CLIENT);
  end; { case }
end;

function TROPoweredByRemObjectsButton.GetHeight: byte;
begin
  result := inherited Height;
end;

function TROPoweredByRemObjectsButton.GetWidth: byte;
begin
  result := inherited Width;
end;

procedure TROPoweredByRemObjectsButton.SetHeight(const Value: byte);
begin
  { no-op, width is fixed }
end;

procedure TROPoweredByRemObjectsButton.SetWidth(const Value: byte);
begin
  { no-op, width is fixed }
end;

{$IFDEF MSWINDOWS}
procedure TROPoweredByRemObjectsButton.WMEraseBkgnd(var Msg: TWMEraseBkgnd);
begin
  Msg.Result := 0;
end;
{$ENDIF}

{$IFDEF FPC}
initialization
  {$I uROPoweredByRemObjectsButton.lrs}
{$ENDIF}  
end.