david
7ebea5ffa7
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@12 7f62d464-2af8-f54e-996c-e91b33f51cbe
412 lines
13 KiB
ObjectPascal
412 lines
13 KiB
ObjectPascal
{******************************************************************
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JEDI-VCL Demo
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Copyright (C) 2002 Project JEDI
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Original author: Ralf Grenzing [Ralf dot Grenzing@gmx.de]
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Contributor(s):
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You may retrieve the latest version of this file at the JEDI-JVCL
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home page, located at http://jvcl.sourceforge.net
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The contents of this file are used with permission, subject to
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the Mozilla Public License Version 1.1 (the "License"); you may
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not use this file except in compliance with the License. You may
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obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1_1Final.html
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Software distributed under the License is distributed on an
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"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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implied. See the License for the specific language governing
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rights and limitations under the License.
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******************************************************************}
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unit JvComputerInfoExDemoForm;
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interface
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
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Dialogs, JvComputerInfoEx, Menus, JvMenus, StdCtrls, JvExStdCtrls,
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ActnList, ComCtrls, JvDialogs, JvRichEdit, JvComponent,
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JvInspector, JvExControls, ExtCtrls, ImgList, JvComponentBase;
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type
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TJvComputerInfoExDemoFrm = class(TForm)
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JvComputerInfoEx1: TJvComputerInfoEx;
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mmMain: TJvMainMenu;
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File1: TMenuItem;
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Edit1: TMenuItem;
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Help1: TMenuItem;
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About1: TMenuItem;
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Refresh1: TMenuItem;
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SaveAs1: TMenuItem;
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PrinterSetup1: TMenuItem;
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Print1: TMenuItem;
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N1: TMenuItem;
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Exit1: TMenuItem;
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alMain: TActionList;
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acSaveAs: TAction;
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acPrinterSetup: TAction;
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acPrint: TAction;
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acExit: TAction;
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acRefresh: TAction;
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acAbout: TAction;
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StatusBar1: TStatusBar;
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JvSaveDialog1: TJvSaveDialog;
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PrinterSetupDialog1: TPrinterSetupDialog;
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PrintDialog1: TPrintDialog;
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PageControl1: TPageControl;
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TabSheet1: TTabSheet;
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TabSheet2: TTabSheet;
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reInfo: TJvRichEdit;
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lvEvents: TListView;
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acClearEvents: TAction;
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ClearEvents1: TMenuItem;
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acReloadIcons: TAction;
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acReloadCursors: TAction;
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N2: TMenuItem;
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ReloadIcons1: TMenuItem;
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ReloadCursors1: TMenuItem;
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TabSheet3: TTabSheet;
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JvInspector1: TJvInspector;
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JvInspectorBorlandPainter1: TJvInspectorBorlandPainter;
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Panel1: TPanel;
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chkReadOnly: TCheckBox;
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acTrailingPathDelimiter: TAction;
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INcludeTrailingPathDelimiter1: TMenuItem;
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procedure acSaveAsExecute(Sender: TObject);
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procedure acPrinterSetupExecute(Sender: TObject);
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procedure acPrintExecute(Sender: TObject);
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procedure acExitExecute(Sender: TObject);
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procedure acRefreshExecute(Sender: TObject);
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procedure acAboutExecute(Sender: TObject);
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procedure JvComputerInfoEx1Compacting(Sender: TObject; Ratio: Integer);
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procedure JvComputerInfoEx1DeviceAdded(Sender: TObject; Drive: Char);
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procedure JvComputerInfoEx1DeviceChange(Sender: TObject;
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Event: Cardinal; Data: Pointer);
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procedure JvComputerInfoEx1DeviceModeChange(Sender: TObject;
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Device: string);
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procedure JvComputerInfoEx1DeviceRemoved(Sender: TObject; Drive: Char);
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procedure JvComputerInfoEx1DisplayChange(Sender: TObject; BitsPerPixel,
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ScreenWidth, ScreenHeight: Integer);
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procedure JvComputerInfoEx1FontChange(Sender: TObject);
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procedure JvComputerInfoEx1PowerBroadcast(Sender: TObject; Event,
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Data: Integer);
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procedure JvComputerInfoEx1SettingChange(Sender: TObject;
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Flag: Integer; const Section: string);
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procedure JvComputerInfoEx1SpoolerStatusChange(Sender: TObject;
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JobStatus, JobsLeft: Integer);
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procedure JvComputerInfoEx1SysColorChange(Sender: TObject);
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procedure JvComputerInfoEx1TimeChange(Sender: TObject);
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procedure JvComputerInfoEx1UserChanged(Sender: TObject);
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procedure acClearEventsExecute(Sender: TObject);
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procedure acReloadIconsExecute(Sender: TObject);
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procedure acReloadCursorsExecute(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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procedure chkReadOnlyClick(Sender: TObject);
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procedure acTrailingPathDelimiterExecute(Sender: TObject);
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procedure JvComputerInfoEx1PaletteChanged(Sender: TObject; Wnd: Cardinal);
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procedure JvComputerInfoEx1PaletteChanging(Sender: TObject; Wnd: Cardinal);
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private
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{ Private declarations }
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LastCategory: string;
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function Parse(AnObject: TObject; const Category: string; Indent: integer): boolean;
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procedure AddItem(const Category, Name, Value: string; Indent: integer);
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procedure AddEvent(const EventName, Info: string);
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end;
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var
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JvComputerInfoExDemoFrm: TJvComputerInfoExDemoFrm;
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implementation
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uses
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TypInfo, JvJVCLUtils;
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{$R *.dfm}
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procedure TJvComputerInfoExDemoFrm.acSaveAsExecute(Sender: TObject);
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begin
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if JvSaveDialog1.Execute then
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begin
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reInfo.PlainText := true;
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reInfo.Lines.SaveToFile(JvSaveDialog1.Filename);
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reInfo.PlainText := false;
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end;
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end;
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procedure TJvComputerInfoExDemoFrm.acPrinterSetupExecute(Sender: TObject);
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begin
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PrinterSetupDialog1.Execute;
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end;
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procedure TJvComputerInfoExDemoFrm.acPrintExecute(Sender: TObject);
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begin
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if PrintDialog1.Execute then
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reInfo.Print(Format('Computer info for %s', [JvComputerInfoEx1.Identification.LocalComputerName]));
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end;
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procedure TJvComputerInfoExDemoFrm.acExitExecute(Sender: TObject);
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begin
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Close;
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end;
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procedure TJvComputerInfoExDemoFrm.acRefreshExecute(Sender: TObject);
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begin
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reInfo.Lines.BeginUpdate;
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Screen.Cursor := crHourGlass;
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try
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reInfo.Lines.Clear;
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Parse(JvComputerInfoEx1, '', -1);
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finally
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reInfo.Lines.EndUpdate;
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reInfo.SelStart := 0;
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SendMessage(reInfo.Handle, EM_SCROLLCARET, 0, 0);
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Screen.Cursor := crDefault;
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end;
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end;
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procedure TJvComputerInfoExDemoFrm.acAboutExecute(Sender: TObject);
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begin
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MsgAbout(Handle, 'JvComputerInfoEx Demo. Part of JVCL (http://jvcl.sf.net)', 'About...', 'MAINICON', 0);
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end;
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procedure TJvComputerInfoExDemoFrm.AddItem(const Category, Name, Value: string; Indent: integer);
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function DefaultValue(const S: string): string;
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begin
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if S = '' then
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Result := '(none)'
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else
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Result := S;
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end;
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function IndentStr(const S: string; Indent: integer): string;
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begin
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if Indent > 0 then
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Result := StringOfChar(' ', Indent * 4) + S
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else
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Result := S;
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end;
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begin
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if Category <> '' then
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begin
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if reInfo.GetTextLen > 0 then
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reInfo.Lines.Add('');
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if Category <> LastCategory then
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begin
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reInfo.AddFormatText(IndentStr(Category + ':', Indent), [fsBold], '', clMaroon, 14);
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reInfo.Lines.Add('');
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LastCategory := Category;
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end;
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reInfo.AddFormatText(IndentStr(' ' + Name + ':' + #9, Indent), [fsBold], '', clBlack, 8);
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reInfo.AddFormatText(DefaultValue(Value), [], '', clBlack, 8);
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end;
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end;
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function TJvComputerInfoExDemoFrm.Parse(AnObject: TObject; const Category: string; Indent: integer): boolean;
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var
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i, Count: integer;
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PropName: string;
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PropList: PPropList;
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PropInfo: PPropInfo;
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SubItems: TStringList;
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begin
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LastCategory := '';
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SubItems := nil;
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Count := GetPropList(AnObject.ClassInfo, tkAny, nil);
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GetMem(PropList, Count * sizeof(PropList));
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GetPropList(AnObject.ClassInfo, tkAny, PropList);
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try
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for i := 0 to Count - 1 do
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begin
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PropInfo := PropList[i];
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PropName := PropInfo^.Name;
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case PropInfo^.PropType^.Kind of
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tkInteger, tkInt64:
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AddItem(Category, PropName, IntToStr(GetOrdProp(AnObject, PropName)), Indent);
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tkFloat:
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AddItem(Category, PropName, FloatToStr(GetFloatProp(AnObject, PropName)), Indent);
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tkEnumeration:
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AddItem(Category, PropName, GetEnumProp(AnObject, PropName), Indent);
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tkSet:
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AddItem(Category, PropName, GetSetProp(AnObject, PropName), Indent);
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tkClass:
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begin
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if SubItems = nil then
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SubItems := TStringList.Create;
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SubItems.AddObject(PropName, GetObjectProp(AnObject, PropName));
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end;
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else
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AddItem(Category, PropName, GetStrProp(AnObject, PropName), Indent);
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end;
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end;
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Result := SubItems <> nil;
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if Result then
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begin
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for i := 0 to SubItems.Count - 1 do
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begin
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Parse(SubItems.Objects[i], SubItems[i], Indent + 1);
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// reInfo.Lines.Add('');
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end;
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end;
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// if not Result then
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// reInfo.Lines.Add('');
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SubItems.Free;
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finally
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FreeMem(PropList);
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end;
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1Compacting(Sender: TObject;
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Ratio: Integer);
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begin
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AddEvent('Compacting', Format('Ratio: %d', [Ratio]));
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end;
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procedure TJvComputerInfoExDemoFrm.AddEvent(const EventName, Info: string);
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begin
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with lvEvents.Items.Insert(0) do
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begin
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Caption := DateTimeToStr(Now);
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SubItems.Add(EventName);
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SubItems.Add(Info);
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end;
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1DeviceAdded(Sender: TObject;
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Drive: Char);
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begin
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AddEvent('Device Added', Format('Drive: %s', [Drive]));
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1DeviceChange(Sender: TObject;
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Event: Cardinal; Data: Pointer);
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begin
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if Data <> nil then
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AddEvent('Device Changed', Format('Event ID: %d, Data Address: %x', [Event, Data]))
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else
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AddEvent('Device Changed', Format('Event ID: %d', [Event]));
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1DeviceModeChange(Sender: TObject;
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Device: string);
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begin
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AddEvent('Device Mode Changed', Device);
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1DeviceRemoved(Sender: TObject;
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Drive: Char);
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begin
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AddEvent('Device Removed', Format('Drive: %s', [Drive]));
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1DisplayChange(Sender: TObject;
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BitsPerPixel, ScreenWidth, ScreenHeight: Integer);
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begin
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AddEvent('Display Changed', Format('BPP: %d, Width: %dpx, Height: %dpx', [BitsPerPixel, ScreenWidth, ScreenHeight]));
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1FontChange(Sender: TObject);
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begin
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AddEvent('Font added or removed', '');
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end;
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function GetWndText(Wnd:HWND):String;
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var buf: array[0..255] of char;
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begin
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if GetWindowText(Wnd, buf, sizeof(buf)) = 0 then
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buf := '(no name)';
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Result := buf;
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1PaletteChanged(
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Sender: TObject; Wnd: Cardinal);
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begin
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AddEvent('Palette Changed',
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Format('Window: %s, Handle: %d', [GetWndText(Wnd), Wnd]));
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1PaletteChanging(
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Sender: TObject; Wnd: Cardinal);
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begin
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AddEvent('Palette Changing',
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Format('Window: %s, Handle: %d', [GetWndText(Wnd), Wnd]));
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1PowerBroadcast(Sender: TObject; Event, Data: Integer);
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begin
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AddEvent('Power Broadcast',
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Format('Event: %d, Date: %d', [Event, Data]));
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1SettingChange(Sender: TObject;
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Flag: Integer; const Section: string);
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begin
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AddEvent('System Setting Changed',
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Format('Flags: %d, Section: "%s"', [Flag, Section]));
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1SpoolerStatusChange(Sender: TObject;
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JobStatus, JobsLeft: Integer);
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begin
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AddEvent('Spooler Status Changed',
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Format('Job Status: %d, Jobs Left: %d', [JobStatus, JobsLeft]));
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1SysColorChange(Sender: TObject);
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begin
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AddEvent('System Color Changed', '');
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1TimeChange(Sender: TObject);
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begin
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AddEvent('System Time Changed', '');
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end;
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procedure TJvComputerInfoExDemoFrm.JvComputerInfoEx1UserChanged(Sender: TObject);
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begin
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AddEvent('User logged on or off', '');
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end;
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procedure TJvComputerInfoExDemoFrm.acClearEventsExecute(Sender: TObject);
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begin
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lvEvents.Items.Clear;
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end;
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procedure TJvComputerInfoExDemoFrm.acReloadIconsExecute(Sender: TObject);
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begin
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if not JvComputerInfoEx1.ResetSystemIcons then
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MsgError(Handle, 'Could not reload system icons', 'Error');
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end;
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procedure TJvComputerInfoExDemoFrm.acReloadCursorsExecute(Sender: TObject);
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begin
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if not JvComputerInfoEx1.ResetSystemCursors then
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MsgError(Handle, 'Could not reload system cursors', 'Error');
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end;
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procedure TJvComputerInfoExDemoFrm.FormCreate(Sender: TObject);
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begin
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JvInspector1.InspectObject := JvComputerInfoEx1;
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end;
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procedure TJvComputerInfoExDemoFrm.chkReadOnlyClick(Sender: TObject);
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begin
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JvInspector1.ReadOnly := chkReadOnly.Checked;
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JvInspector1.Refresh;
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JvComputerInfoEx1.ReadOnly := chkReadOnly.Checked;
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end;
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procedure TJvComputerInfoExDemoFrm.acTrailingPathDelimiterExecute(Sender: TObject);
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begin
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acTrailingPathDelimiter.Checked := not acTrailingPathDelimiter.Checked;
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JvComputerInfoEx1.Folders.TrailingPathDelimiter := acTrailingPathDelimiter.Checked;
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if reInfo.Lines.Count > 0 then
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acRefresh.Execute;
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end;
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end.
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