149 lines
4.0 KiB
ObjectPascal
149 lines
4.0 KiB
ObjectPascal
{-----------------------------------------------------------------------------
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The contents of this file are subject to the Mozilla Public License
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Version 1.1 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1.1.html
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
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the specific language governing rights and limitations under the License.
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The Original Code is: JvNagScreen.PAS, released on 2001-02-28.
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The Initial Developer of the Original Code is Sébastien Buysse [sbuysse att buypin dott com]
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Portions created by Sébastien Buysse are Copyright (C) 2001 Sébastien Buysse.
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All Rights Reserved.
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Contributor(s): Michael Beck [mbeck att bigfoot dott com].
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Last Modified: 2000-02-28
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You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
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located at http://jvcl.sourceforge.net
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Known Issues:
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-----------------------------------------------------------------------------}
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{$I JVCL.INC}
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unit JvNagScreen;
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interface
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uses
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SysUtils, Classes, Graphics, Controls, ExtCtrls, Forms,
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JvBaseDlg, JvTypes;
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type
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TJvNagScreen = class(TJvCommonDialogP)
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private
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FPict: TImage;
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FTimer: TTimer;
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FTimeToStay: Cardinal;
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FPicture: TBitmap;
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FForm: TForm;
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FDisappearOnClick: Boolean;
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FOnAfterNag: TNotifyEvent;
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FOnBeforeNag: TNotifyEvent;
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procedure NagCreate(Sender: TObject);
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procedure DisappearClick(Sender: TObject);
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procedure SetPicture(const Value: TBitmap);
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protected
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procedure Loaded; override;
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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published
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property Picture: TBitmap read FPicture write SetPicture;
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property TimeToStay: Cardinal read FTimeToStay write FTimeToStay default 5000;
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property DisappearOnClick: Boolean read FDisappearOnClick write FDisappearOnClick default True;
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procedure Execute; override;
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property OnBeforeNag: TNotifyEvent read FOnBeforeNag write FOnBeforeNag;
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property OnAfterNag: TNotifyEvent read FOnAfterNag write FOnAfterNag;
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end;
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implementation
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constructor TJvNagScreen.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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FPicture := TBitmap.Create;
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FTimeToStay := 5000;
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FDisappearOnClick := True;
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end;
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destructor TJvNagScreen.Destroy;
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begin
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FPicture.Free;
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inherited Destroy;
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end;
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procedure TJvNagScreen.DisappearClick(Sender: TObject);
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begin
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try
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FTimer.Enabled := False;
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FForm.Close;
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FTimer.Free;
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if Assigned(FOnAfterNag) then
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FOnAfterNag(Self);
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except
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end;
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end;
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procedure TJvNagScreen.NagCreate(Sender: TObject);
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begin
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if (FPicture.Width <> 0) and (FPicture.Height <> 0) then
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begin
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FForm := TForm.Create(Application);
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FForm.Visible := False;
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FForm.BorderStyle := bsNone;
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FForm.Position := poScreenCenter;
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FForm.Caption := '';
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FForm.Width := FPicture.Width;
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FForm.Height := FPicture.Height;
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FPict := TImage.Create(FForm);
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FPict.Align := alClient;
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FPict.AutoSize := True;
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FPict.Picture.Bitmap.Assign(FPicture);
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FPict.Parent := FForm;
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FPict.Width := FPicture.Width;
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FPict.Height := FPicture.Height;
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FPict.Left := 0;
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FPict.Top := 0;
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FPict.Visible := True;
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if FDisappearOnClick then
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FPict.OnClick := DisappearClick;
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FTimer := TTimer.Create(Self);
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FTimer.Interval := FTimeToStay;
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FTimer.OnTimer := DisappearClick;
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FTimer.Enabled := True;
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if Assigned(FOnBeforeNag) then
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FOnBeforeNag(Self);
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FForm.ShowModal;
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FForm.Free;
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end;
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end;
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procedure TJvNagScreen.Execute;
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begin
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NagCreate(Self);
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end;
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procedure TJvNagScreen.Loaded;
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begin
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if not (csDesigning in ComponentState) then
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Execute;
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end;
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procedure TJvNagScreen.SetPicture(const Value: TBitmap);
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begin
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FPicture.Assign(Value);
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end;
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end.
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