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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7606 8e941d3f-bd1b-0410-a28a-d453659cc2b4
96 lines
1.9 KiB
ObjectPascal
96 lines
1.9 KiB
ObjectPascal
unit HelpUnit;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, {FileUtil, }LResources, Forms, Controls, Graphics, Dialogs,
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StdCtrls, LazHelpHTML, HelpIntfs;
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type
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{ THelpFrm }
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THelpFrm = class(TForm)
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ReturnBtn: TButton;
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HelpBtn: TButton;
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HTMLBrowserHelpViewer1: THTMLBrowserHelpViewer;
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HTMLHelpDatabase1: THTMLHelpDatabase;
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Label1: TLabel;
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procedure FormCreate(Sender: TObject);
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procedure FormShow(Sender: TObject);
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procedure HelpBtnClick(Sender: TObject);
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private
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{ private declarations }
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public
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{ public declarations }
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end;
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var
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HelpFrm: THelpFrm;
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procedure ShowHelpTopic(AHelpContext: Word); overload;
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procedure ShowHelpTopic(AHelpID: PChar); overload;
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implementation
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uses
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{$IFDEF USE_EXTERNAL_HELP_VIEWER}
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{$IFDEF MSWINDOWS}
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htmlhelp,
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{$ENDIF}
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{$ENDIF}
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LazFileUtils;
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procedure ShowHelpTopic(AHelpContext: Word);
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var
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fn: UnicodeString;
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begin
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{$IFDEF USE_EXTERNAL_HELP_VIEWER}
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{$IFDEF MSWINDOWS}
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// see: http://www.helpware.net/download/delphi/hh_doc.txt
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fn := UnicodeString(Application.HelpFile);
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htmlhelp.HtmlHelpW(0, PWideChar(fn), HH_HELP_CONTEXT, AHelpContext);
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{$ENDIF}
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{$ENDIF}
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end;
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procedure ShowHelpTopic(AHelpID: PChar);
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var
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topic: UnicodeString;
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begin
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{$IFDEF USE_EXTERNAL_HELP_VIEWER}
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{$IFDEF MSWINDOWS}
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topic := UnicodeString(Application.HelpFile + '::/' + AHelpID);
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htmlhelp.HtmlHelpW(0, PWideChar(topic), HH_DISPLAY_TOPIC, 0);
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{$ENDIF}
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{$ENDIF}
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end;
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{ THelpFrm }
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procedure THelpFrm.FormShow(Sender: TObject);
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begin
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// HelpBtnClick(self);
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end;
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procedure THelpFrm.FormCreate(Sender: TObject);
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begin
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HTMLHelpDatabase1.BaseURL := 'file://html';
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end;
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procedure THelpFrm.HelpBtnClick(Sender: TObject);
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var
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fn: String;
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begin
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fn := Application.Location + 'html/LAZTOC.html';
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ShowHelpOrErrorForKeyword('', SwitchPathDelims(fn, true)); //Application.Location + 'html/LAZTOC.html');
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end;
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initialization
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{$I helpunit.lrs}
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end.
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