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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@5438 8e941d3f-bd1b-0410-a28a-d453659cc2b4
120 lines
2.9 KiB
ObjectPascal
120 lines
2.9 KiB
ObjectPascal
{*********************************************************}
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{* FlashFiler: Input form for block to be viewed *}
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{*********************************************************}
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(* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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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 express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is TurboPower FlashFiler
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*
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* The Initial Developer of the Original Code is
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* TurboPower Software
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*
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* Portions created by the Initial Developer are Copyright (C) 1996-2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* ***** END LICENSE BLOCK ***** *)
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{$I ffdefine.inc}
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unit frmBlock;
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interface
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uses
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{$IFDEF DCC6OrLater}
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Variants,
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{$ENDIF}
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
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Dialogs, StdCtrls, FFLLBase;
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type
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TfrmBlockNum = class(TForm)
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edtBlockNum: TEdit;
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pbOK: TButton;
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pbCancel: TButton;
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lblBlockNum: TLabel;
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lblValidRange: TLabel;
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procedure FormShow(Sender: TObject);
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procedure edtBlockNumKeyPress(Sender: TObject; var Key: Char);
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procedure pbOKClick(Sender: TObject);
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procedure pbCancelClick(Sender: TObject);
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procedure edtBlockNumChange(Sender: TObject);
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private
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{ Private declarations }
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FBlockNum : TffWord32;
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FMaxBlockNum : TffWord32;
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public
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{ Public declarations }
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procedure SetCtrlStates;
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property BlockNum : TffWord32 read FBlockNum write FBlockNum;
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property MaxBlockNum : TffWord32 read FMaxBlockNum write FMaxBlockNum;
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end;
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var
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frmBlockNum: TfrmBlockNum;
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implementation
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{$R *.dfm}
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procedure TfrmBlockNum.FormShow(Sender: TObject);
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begin
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FBlockNum := ffc_W32NoValue;
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edtBlockNum.SetFocus;
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lblValidRange.Caption := Format('Valid range is 0 to %d', [FMaxBlockNum]);
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SetCtrlStates;
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end;
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procedure TfrmBlockNum.edtBlockNumKeyPress(Sender: TObject; var Key: Char);
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begin
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if (Key <> Char(8)) and ((Key < '0') or (Key > '9')) then begin
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Key := Char(0);
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Beep;
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end;
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end;
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procedure TfrmBlockNum.pbOKClick(Sender: TObject);
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begin
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FBlockNum := StrToInt(edtBlockNum.Text);
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Close;
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end;
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procedure TfrmBlockNum.pbCancelClick(Sender: TObject);
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begin
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Close;
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end;
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procedure TfrmBlockNum.SetCtrlStates;
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var
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BlockNum : TffWord32;
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begin
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if edtBlockNum.Text <> '' then begin
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BlockNum := StrToInt(edtBlockNum.Text);
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pbOK.Enabled := (edtBlockNum.Text <> '') and
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(BlockNum <= FMaxBlockNum);
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end
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else
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pbOK.Enabled := False;
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end;
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procedure TfrmBlockNum.edtBlockNumChange(Sender: TObject);
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begin
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SetCtrlStates;
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end;
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end.
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