mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-05-28 07:42:40 +02:00
709 lines
22 KiB
ObjectPascal
709 lines
22 KiB
ObjectPascal
{ $Id$ }
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{
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/***************************************************************************
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helpmanager.pas
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---------------
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***************************************************************************/
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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***************************************************************************
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}
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unit HelpManager;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, LCLProc, Forms, Controls, Buttons, StdCtrls, Dialogs,
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CodeToolManager, CodeAtom, CodeCache, CustomCodeTool, CodeTree,
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PascalParserTool, FindDeclarationTool,
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PropEdits, HelpIntf, HelpHTML, HelpFPDoc, MacroIntf, IDEWindowIntf,
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LazarusIDEStrConsts, TransferMacros, DialogProcs, IDEOptionDefs,
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EnvironmentOpts, AboutFrm, MsgView, Project, PackageDefs, MainBar,
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OutputFilter, HelpOptions, MainIntf, LazConf;
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type
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{ TBaseHelpManager }
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TBaseHelpManager = class(TComponent)
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public
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constructor Create(TheOwner: TComponent); override;
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destructor Destroy; override;
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public
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procedure ConnectMainBarEvents; virtual;
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procedure LoadHelpOptions; virtual; abstract;
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procedure SaveHelpOptions; virtual; abstract;
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function ShowHelpForSourcePosition(const Filename: string;
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const CodePos: TPoint;
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var ErrMsg: string): TShowHelpResult; virtual; abstract;
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procedure ShowHelpForMessage(Line: integer); virtual; abstract;
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end;
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{ TIDEHelpDatabases }
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TIDEHelpDatabases = class(THelpDatabases)
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public
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function ShowHelpSelector(Query: THelpQuery; Nodes: TList;
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var ErrMsg: string;
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var Selection: THelpNode): TShowHelpResult; override;
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procedure ShowError(ShowResult: TShowHelpResult; const ErrMsg: string); override;
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function GetBaseDirectoryForBasePathObject(BasePathObject: TObject): string; override;
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function ShowHelpForSourcePosition(Query: THelpQuerySourcePosition;
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var ErrMsg: string): TShowHelpResult; override;
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end;
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{ THelpManager }
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THelpManager = class(TBaseHelpManager)
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// help menu of the IDE menu bar
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procedure mnuHelpAboutLazarusClicked(Sender: TObject);
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procedure mnuHelpConfigureHelpClicked(Sender: TObject);
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procedure mnuHelpOnlineHelpClicked(Sender: TObject);
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private
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FFCLHelpDBPath: THelpBasePathObject;
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FLCLHelpDBPath: THelpBasePathObject;
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FMainHelpDB: THelpDatabase;
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FMainHelpDBPath: THelpBasePathObject;
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FRTLHelpDB: THelpDatabase;
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FFCLHelpDB: THelpDatabase;
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FLCLHelpDB: THelpDatabase;
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FRTLHelpDBPath: THelpBasePathObject;
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procedure RegisterIDEHelpDatabases;
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procedure RegisterDefaultIDEHelpViewers;
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procedure FindDefaultBrowser(var DefaultBrowser, Params: string);
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public
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constructor Create(TheOwner: TComponent); override;
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destructor Destroy; override;
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procedure ConnectMainBarEvents; override;
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procedure LoadHelpOptions; override;
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procedure SaveHelpOptions; override;
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procedure ShowLazarusHelpStartPage;
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procedure ShowIDEHelpForContext(HelpContext: THelpContext);
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procedure ShowIDEHelpForKeyword(const Keyword: string);
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function ShowHelpForSourcePosition(const Filename: string;
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const CodePos: TPoint;
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var ErrMsg: string): TShowHelpResult; override;
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procedure ShowHelpForMessage(Line: integer); override;
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public
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property FCLHelpDB: THelpDatabase read FFCLHelpDB;
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property FCLHelpDBPath: THelpBasePathObject read FFCLHelpDBPath;
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property LCLHelpDB: THelpDatabase read FLCLHelpDB;
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property LCLHelpDBPath: THelpBasePathObject read FLCLHelpDBPath;
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property MainHelpDB: THelpDatabase read FMainHelpDB;
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property MainHelpDBPath: THelpBasePathObject read FMainHelpDBPath;
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property RTLHelpDB: THelpDatabase read FRTLHelpDB;
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property RTLHelpDBPath: THelpBasePathObject read FRTLHelpDBPath;
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end;
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{ Help Contexts for IDE help }
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const
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lihcStartPage = 'StartPage';
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lihcRTLUnits = 'RTLUnits';
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lihcFCLUnits = 'FCLUnits';
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lihcLCLUnits = 'LCLUnits';
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lihBaseUrl = 'http://lazarus-ccr.sourceforge.net/docs/';
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lihRTLURL = lihBaseUrl+'rtl/';
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lihFCLURL = lihBaseUrl+'fcl/';
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lihLCLURL = lihBaseUrl+'lcl/';
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var
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HelpBoss: TBaseHelpManager;
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implementation
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{ TBaseHelpManager }
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constructor TBaseHelpManager.Create(TheOwner: TComponent);
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begin
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inherited Create(TheOwner);
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HelpBoss:=Self;
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end;
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destructor TBaseHelpManager.Destroy;
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begin
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HelpBoss:=nil;
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inherited Destroy;
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end;
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procedure TBaseHelpManager.ConnectMainBarEvents;
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begin
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end;
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{ THelpSelectorDialog }
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type
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THelpSelectorDialog = class(TForm)
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NodesGroupBox: TGroupBox;
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NodesListBox: TListBox;
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OkButton: TButton;
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CancelButton: TButton;
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procedure HelpSelectorDialogClose(Sender: TObject;
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var CloseAction: TCloseAction);
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private
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FNodes: TList;
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procedure SetNodes(const AValue: TList);
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procedure FillNodesListBox;
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public
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constructor Create(TheOwner: TComponent); override;
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property Nodes: TList read FNodes write SetNodes;
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end;
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procedure THelpSelectorDialog.HelpSelectorDialogClose(Sender: TObject;
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var CloseAction: TCloseAction);
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begin
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IDEDialogLayoutList.SaveLayout(Self);
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end;
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procedure THelpSelectorDialog.SetNodes(const AValue: TList);
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begin
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if FNodes=AValue then exit;
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FNodes:=AValue;
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FillNodesListBox;
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end;
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procedure THelpSelectorDialog.FillNodesListBox;
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var
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List: TStringList;
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Node: THelpNode;
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i: Integer;
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begin
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List:=TStringList.Create;
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if (Nodes<>nil) then begin
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for i:=0 to Nodes.Count-1 do begin
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Node:=TObject(Nodes[i]) as THelpNode;
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List.Add(Node.Title);
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end;
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end;
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NodesListBox.Items.Assign(List);
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List.Free;
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end;
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constructor THelpSelectorDialog.Create(TheOwner: TComponent);
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begin
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inherited Create(TheOwner);
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Position:=poScreenCenter;
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IDEDialogLayoutList.ApplyLayout(Self,500,300);
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OnClose:=@HelpSelectorDialogClose;
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NodesGroupBox:=TGroupBox.Create(Self);
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with NodesGroupBox do begin
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Name:='NodesGroupBox';
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Parent:=Self;
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Left:=5;
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Top:=5;
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Width:=Self.ClientWidth-10;
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Height:=Self.ClientWidth-40;
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Anchors:=[akLeft,akTop,akRight,akBottom];
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Caption:=lisSelectAHelpItem;
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end;
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NodesListBox:=TListBox.Create(Self);
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with NodesListBox do begin
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Name:='NodesListBox';
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Parent:=NodesGroupBox;
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Align:=alClient;
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end;
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OkButton:=TButton.Create(Self);
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with OkButton do begin
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Name:='OkButton';
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Parent:=Self;
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Left:=5;
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Top:=Self.ClientHeight-35;
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Width:=80;
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Anchors:=[akLeft,akBottom];
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Caption:=lisLazBuildOk;
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ModalResult:=mrOk;
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end;
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CancelButton:=TButton.Create(Self);
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with CancelButton do begin
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Name:='CancelButton';
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Parent:=Self;
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Left:=OkButton.Left+OkButton.Width+10;
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Top:=Self.ClientHeight-35;
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Width:=80;
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Anchors:=[akLeft,akBottom];
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Caption:=dlgCancel;
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ModalResult:=mrCancel;
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end;
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end;
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{ TIDEHelpDatabases }
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function TIDEHelpDatabases.ShowHelpSelector(Query: THelpQuery; Nodes: TList;
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var ErrMsg: string; var Selection: THelpNode): TShowHelpResult;
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var
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Dialog: THelpSelectorDialog;
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i: LongInt;
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begin
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Selection:=nil;
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Result:=shrNone;
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Dialog:=THelpSelectorDialog.Create(nil);
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try
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Dialog.Nodes:=Nodes;
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if Dialog.ShowModal=mrOk then begin
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i:=Dialog.NodesListBox.ItemIndex;
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if i>=0 then begin
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Selection:=THelpNode(Nodes[i]);
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Result:=shrSuccess;
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end;
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end;
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finally
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Dialog.Free;
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end;
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end;
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procedure TIDEHelpDatabases.ShowError(ShowResult: TShowHelpResult;
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const ErrMsg: string);
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var
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ErrorCaption: String;
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begin
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case ShowResult of
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shrNone: ErrorCaption:=lisCodeTemplError;
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shrSuccess: exit;
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shrDatabaseNotFound: ErrorCaption:=lisHelpDatabaseNotFound;
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shrContextNotFound: ErrorCaption:=lisHelpContextNotFound;
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shrViewerNotFound: ErrorCaption:=lisHelpViewerNotFound;
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shrHelpNotFound: ErrorCaption:=lisHelpNotFound;
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shrViewerError: ErrorCaption:=lisHelpViewerError;
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shrSelectorError: ErrorCaption:=lisHelpSelectorError;
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else ErrorCaption:=lisUnknownErrorPleaseReportThisBug;
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end;
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MessageDlg(ErrorCaption,ErrMsg,mtError,[mbCancel],0);
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end;
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function TIDEHelpDatabases.GetBaseDirectoryForBasePathObject(
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BasePathObject: TObject): string;
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begin
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Result:='';
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if (BasePathObject is THelpBasePathObject) then
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Result:=THelpBasePathObject(BasePathObject).BasePath
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else if (BasePathObject=HelpBoss) or (BasePathObject=MainIDEInterface) then
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Result:=EnvironmentOptions.LazarusDirectory
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else if BasePathObject is TProject then
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Result:=TProject(BasePathObject).ProjectDirectory
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else if BasePathObject is TLazPackage then
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Result:=TLazPackage(BasePathObject).Directory;
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if Result<>'' then
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IDEMacros.SubstituteMacros(Result);
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end;
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function TIDEHelpDatabases.ShowHelpForSourcePosition(
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Query: THelpQuerySourcePosition; var ErrMsg: string): TShowHelpResult;
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begin
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Result:=HelpBoss.ShowHelpForSourcePosition(Query.Filename,
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Query.SourcePosition,ErrMsg);
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end;
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{ THelpManager }
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procedure THelpManager.mnuHelpAboutLazarusClicked(Sender: TObject);
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begin
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ShowAboutForm;
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end;
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procedure THelpManager.mnuHelpConfigureHelpClicked(Sender: TObject);
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begin
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if ShowHelpOptionsDialog=mrOk then
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SaveHelpOptions;
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end;
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procedure THelpManager.mnuHelpOnlineHelpClicked(Sender: TObject);
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begin
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ShowLazarusHelpStartPage;
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end;
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procedure THelpManager.RegisterIDEHelpDatabases;
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procedure CreateMainIDEHelpDB;
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var
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StartNode: THelpNode;
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HTMLHelp: THTMLHelpDatabase;
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begin
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FMainHelpDB:=HelpDatabases.CreateHelpDatabase(lihcStartPage,
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THTMLHelpDatabase,true);
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HTMLHelp:=FMainHelpDB as THTMLHelpDatabase;
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FMainHelpDBPath:=THelpBasePathObject.Create('$(LazarusDir)');
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HTMLHelp.BasePathObject:=FMainHelpDBPath;
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// HTML nodes for the IDE
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StartNode:=THelpNode.CreateURLID(HTMLHelp,'Lazarus',
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'file://docs/index.html',lihcStartPage);
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HTMLHelp.TOCNode:=THelpNode.Create(HTMLHelp,StartNode);
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HTMLHelp.RegisterItemWithNode(StartNode);
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end;
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procedure CreateRTLHelpDB;
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var
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HTMLHelp: TFPDocHTMLHelpDatabase;
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FPDocNode: THelpNode;
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DirItem: THelpDBISourceDirectory;
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begin
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FRTLHelpDB:=HelpDatabases.CreateHelpDatabase(lihcRTLUnits,
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TFPDocHTMLHelpDatabase,true);
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HTMLHelp:=FRTLHelpDB as TFPDocHTMLHelpDatabase;
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HTMLHelp.DefaultBaseURL:=lihRTLURL;
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FRTLHelpDBPath:=THelpBasePathObject.Create;
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HTMLHelp.BasePathObject:=FRTLHelpDBPath;
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// FPDoc nodes for units in the RTL
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FPDocNode:=THelpNode.CreateURL(HTMLHelp,
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'RTL - Free Pascal Run Time Library Units',
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'file://index.html');
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HTMLHelp.TOCNode:=THelpNode.Create(HTMLHelp,FPDocNode);
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DirItem:=THelpDBISourceDirectory.Create(FPDocNode,'$(FPCSrcDir)/rtl',
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'*.pp;*.pas',true);
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HTMLHelp.RegisterItem(DirItem);
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end;
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procedure CreateFCLHelpDB;
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var
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HTMLHelp: TFPDocHTMLHelpDatabase;
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FPDocNode: THelpNode;
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DirItem: THelpDBISourceDirectory;
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begin
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FFCLHelpDB:=HelpDatabases.CreateHelpDatabase(lihcFCLUnits,
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TFPDocHTMLHelpDatabase,true);
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HTMLHelp:=FFCLHelpDB as TFPDocHTMLHelpDatabase;
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HTMLHelp.DefaultBaseURL:=lihFCLURL;
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FFCLHelpDBPath:=THelpBasePathObject.Create;
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HTMLHelp.BasePathObject:=FFCLHelpDBPath;
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// FPDoc nodes for units in the FCL
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FPDocNode:=THelpNode.CreateURL(HTMLHelp,
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'FCL - Free Pascal Component Library Units',
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'file://index.html');
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HTMLHelp.TOCNode:=THelpNode.Create(HTMLHelp,FPDocNode);
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DirItem:=THelpDBISourceDirectory.Create(FPDocNode,'$(FPCSrcDir)/fcl',
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'*.pp;*.pas',true);
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HTMLHelp.RegisterItem(DirItem);
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end;
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procedure CreateLCLHelpDB;
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var
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HTMLHelp: TFPDocHTMLHelpDatabase;
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FPDocNode: THelpNode;
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DirItem: THelpDBISourceDirectory;
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begin
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FLCLHelpDB:=HelpDatabases.CreateHelpDatabase(lihcLCLUnits,
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TFPDocHTMLHelpDatabase,true);
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HTMLHelp:=FLCLHelpDB as TFPDocHTMLHelpDatabase;
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HTMLHelp.DefaultBaseURL:=lihLCLURL;
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FLCLHelpDBPath:=THelpBasePathObject.Create;
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HTMLHelp.BasePathObject:=FLCLHelpDBPath;
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// FPDoc nodes for units in the LCL
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FPDocNode:=THelpNode.CreateURL(HTMLHelp,
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'LCL - Lazarus Component Library Units',
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'file://index.html');
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HTMLHelp.TOCNode:=THelpNode.Create(HTMLHelp,FPDocNode);
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DirItem:=THelpDBISourceDirectory.Create(FPDocNode,'$(LazarusDir)/lcl',
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'*.pp;*.pas',false);
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HTMLHelp.RegisterItem(DirItem);
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end;
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begin
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CreateMainIDEHelpDB;
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CreateRTLHelpDB;
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CreateFCLHelpDB;
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CreateLCLHelpDB;
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end;
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procedure THelpManager.RegisterDefaultIDEHelpViewers;
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var
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HelpViewer: THTMLBrowserHelpViewer;
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begin
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HelpViewer:= THTMLBrowserHelpViewer.Create;
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HelpViewer.OnFindDefaultBrowser := @FindDefaultBrowser;
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HelpViewers.RegisterViewer(HelpViewer);
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end;
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procedure THelpManager.FindDefaultBrowser(var DefaultBrowser, Params: string);
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begin
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GetDefaultBrowser(DefaultBrowser, Params);
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end;
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constructor THelpManager.Create(TheOwner: TComponent);
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begin
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inherited Create(TheOwner);
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HelpOpts:=THelpOptions.Create;
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HelpOpts.SetDefaultFilename;
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HelpDatabases:=TIDEHelpDatabases.Create;
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HelpViewers:=THelpViewers.Create;
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RegisterIDEHelpDatabases;
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RegisterDefaultIDEHelpViewers;
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// register property editors for URL handling
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RegisterPropertyEditor(TypeInfo(AnsiString),
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THTMLHelpDatabase,'BaseURL',TURLDirectoryPropertyEditor);
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end;
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destructor THelpManager.Destroy;
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begin
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FreeThenNil(HelpDatabases);
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FreeThenNil(HelpViewers);
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FreeThenNil(HelpOpts);
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FreeThenNil(FMainHelpDBPath);
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FreeThenNil(FRTLHelpDBPath);
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FreeThenNil(FFCLHelpDBPath);
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FreeThenNil(FLCLHelpDBPath);
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inherited Destroy;
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end;
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procedure THelpManager.ConnectMainBarEvents;
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begin
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with MainIDEBar do begin
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itmHelpAboutLazarus.OnClick := @mnuHelpAboutLazarusClicked;
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itmHelpOnlineHelp.OnClick := @mnuHelpOnlineHelpClicked;
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itmHelpConfigureHelp.OnClick :=@mnuHelpConfigureHelpClicked;
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end;
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end;
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procedure THelpManager.LoadHelpOptions;
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begin
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HelpOpts.Load;
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end;
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procedure THelpManager.SaveHelpOptions;
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begin
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HelpOpts.Save;
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end;
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procedure THelpManager.ShowLazarusHelpStartPage;
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begin
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ShowIDEHelpForKeyword(lihcStartPage);
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end;
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procedure THelpManager.ShowIDEHelpForContext(HelpContext: THelpContext);
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begin
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ShowHelpOrErrorForContext(MainHelpDB.ID,HelpContext);
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end;
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procedure THelpManager.ShowIDEHelpForKeyword(const Keyword: string);
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begin
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ShowHelpOrErrorForKeyword(MainHelpDB.ID,Keyword);
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end;
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function THelpManager.ShowHelpForSourcePosition(const Filename: string;
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const CodePos: TPoint; var ErrMsg: string): TShowHelpResult;
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function ConvertCodePosToPascalHelpContext(ACodePos: PCodeXYPosition
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): TPascalHelpContextList;
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procedure AddContext(Descriptor: TPascalHelpContextType;
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const Context: string);
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var
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CurContext: TPascalHelpContext;
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begin
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CurContext.Descriptor:=Descriptor;
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CurContext.Context:=Context;
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Result.Add(CurContext);
|
|
debugln(' AddContext Descriptor=',dbgs(ord(Descriptor)),' Context="',Context,'"');
|
|
end;
|
|
|
|
procedure AddContextsBackwards(Tool: TCodeTool;
|
|
Node: TCodeTreeNode);
|
|
begin
|
|
if Node=nil then exit;
|
|
AddContextsBackwards(Tool,Node.Parent);
|
|
case Node.Desc of
|
|
ctnUnit, ctnPackage, ctnProgram, ctnLibrary:
|
|
AddContext(pihcSourceName,Tool.GetSourceName);
|
|
ctnVarDefinition:
|
|
AddContext(pihcVariable,Tool.ExtractDefinitionName(Node));
|
|
ctnTypeDefinition:
|
|
AddContext(pihcType,Tool.ExtractDefinitionName(Node));
|
|
ctnConstDefinition:
|
|
AddContext(pihcConst,Tool.ExtractDefinitionName(Node));
|
|
ctnProperty:
|
|
AddContext(pihcProperty,Tool.ExtractPropName(Node,false));
|
|
ctnProcedure:
|
|
AddContext(pihcProcedure,Tool.ExtractProcName(Node,
|
|
[phpWithoutClassName]));
|
|
ctnProcedureHead:
|
|
AddContext(pihcParameterList,'');
|
|
end;
|
|
end;
|
|
|
|
var
|
|
MainCodeBuffer: TCodeBuffer;
|
|
Tool: TCustomCodeTool;
|
|
CleanPos: integer;
|
|
i: Integer;
|
|
Node: TCodeTreeNode;
|
|
IncludeChain: TFPList;
|
|
ConversionResult: LongInt;
|
|
begin
|
|
Result:=nil;
|
|
// find code buffer
|
|
if ACodePos^.Code=nil then begin
|
|
debugln('WARNING: ConvertCodePosToPascalHelpContext ACodePos.Code=nil');
|
|
exit;
|
|
end;
|
|
Result:=TPascalHelpContextList.Create;
|
|
// add filename and all filenames of the include chain
|
|
IncludeChain:=nil;
|
|
try
|
|
CodeToolBoss.GetIncludeCodeChain(ACodePos^.Code,true,IncludeChain);
|
|
if IncludeChain=nil then begin
|
|
debugln('WARNING: ConvertCodePosToPascalHelpContext IncludeChain=nil');
|
|
exit;
|
|
end;
|
|
for i:=0 to IncludeChain.Count-1 do
|
|
AddContext(pihcFilename,TCodeBuffer(IncludeChain[i]).Filename);
|
|
MainCodeBuffer:=TCodeBuffer(IncludeChain[0]);
|
|
finally
|
|
IncludeChain.Free;
|
|
end;
|
|
// find code tool
|
|
Tool:=CodeToolBoss.FindCodeToolForSource(MainCodeBuffer);
|
|
if not (Tool is TCodeTool) then begin
|
|
debugln('WARNING: ConvertCodePosToPascalHelpContext not (Tool is TCodeTool) MainCodeBuffer=',MainCodeBuffer.Filename);
|
|
exit;
|
|
end;
|
|
// convert cursor position to clean position
|
|
ConversionResult:=Tool.CaretToCleanPos(ACodePos^,CleanPos);
|
|
if ConversionResult<>0 then begin
|
|
// position not in clean code, maybe a comment, maybe behind last line
|
|
// => ignore
|
|
exit;
|
|
end;
|
|
// find node
|
|
Node:=Tool.FindDeepestNodeAtPos(CleanPos,false);
|
|
if Node=nil then begin
|
|
// position not in a scanned pascal node, maybe in between
|
|
// => ignore
|
|
exit;
|
|
end;
|
|
AddContextsBackwards(TCodeTool(Tool),Node);
|
|
end;
|
|
|
|
var
|
|
CodeBuffer: TCodeBuffer;
|
|
i: Integer;
|
|
CurCodePos: PCodeXYPosition;
|
|
ListOfPCodeXYPosition: TFPList;
|
|
PascalHelpContextLists: TList;
|
|
NewList: TPascalHelpContextList;
|
|
begin
|
|
debugln('THelpManager.ShowHelpForSourcePosition A Filename=',Filename,' ',dbgs(CodePos));
|
|
Result:=shrHelpNotFound;
|
|
ErrMsg:='No help found for "'+Filename+'"'
|
|
+' at ('+IntToStr(CodePos.Y)+','+IntToStr(CodePos.X)+')';
|
|
// commit editor changes
|
|
if not CodeToolBoss.GatherExternalChanges then exit;
|
|
// get code buffer for Filename
|
|
if mrOk<>LoadCodeBuffer(CodeBuffer,FileName,[lbfCheckIfText]) then
|
|
exit;
|
|
ListOfPCodeXYPosition:=nil;
|
|
PascalHelpContextLists:=nil;
|
|
try
|
|
// get all possible declarations for this identifier
|
|
if CodeToolBoss.FindDeclarationAndOverload(CodeBuffer,CodePos.X,CodePos.Y,
|
|
ListOfPCodeXYPosition) then
|
|
begin
|
|
debugln('THelpManager.ShowHelpForSourcePosition B Success ',dbgs(ListOfPCodeXYPosition.Count));
|
|
// convert the source positions in pascal help context list
|
|
if ListOfPCodeXYPosition=nil then exit;
|
|
for i:=0 to ListOfPCodeXYPosition.Count-1 do begin
|
|
CurCodePos:=PCodeXYPosition(ListOfPCodeXYPosition[i]);
|
|
debugln('THelpManager.ShowHelpForSourcePosition C ',CurCodePos^.Code.Filename,' X=',dbgs(CurCodePos^.X),' Y=',dbgs(CurCodePos^.Y));
|
|
NewList:=ConvertCodePosToPascalHelpContext(CurCodePos);
|
|
if NewList<>nil then begin
|
|
if PascalHelpContextLists=nil then
|
|
PascalHelpContextLists:=TList.Create;
|
|
PascalHelpContextLists.Add(NewList);
|
|
end;
|
|
end;
|
|
if PascalHelpContextLists=nil then exit;
|
|
|
|
// invoke help system
|
|
debugln('THelpManager.ShowHelpForSourcePosition D PascalHelpContextLists.Count=',dbgs(PascalHelpContextLists.Count));
|
|
Result:=ShowHelpForPascalContexts(Filename,CodePos,PascalHelpContextLists,ErrMsg);
|
|
end else begin
|
|
MainIDEInterface.DoJumpToCodeToolBossError;
|
|
end;
|
|
finally
|
|
FreeListOfPCodeXYPosition(ListOfPCodeXYPosition);
|
|
if PascalHelpContextLists<>nil then begin
|
|
for i:=0 to PascalHelpContextLists.Count-1 do
|
|
TObject(PascalHelpContextLists[i]).Free;
|
|
PascalHelpContextLists.Free;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure THelpManager.ShowHelpForMessage(Line: integer);
|
|
|
|
function ParseMessage(MsgItem: TMessageLine): TStringList;
|
|
var
|
|
AnOutputFilter: TOutputFilter;
|
|
CurParts: TOutputLine;
|
|
begin
|
|
Result:=TStringList.Create;
|
|
Result.Values['Message']:=MsgItem.Msg;
|
|
AnOutputFilter:=TOutputFilter.Create;
|
|
try
|
|
AnOutputFilter.ReadLine(MsgItem.Msg,false);
|
|
AnOutputFilter.CurrentDirectory:=MsgItem.Directory;
|
|
CurParts:=AnOutputFilter.CurrentMessageParts;
|
|
if CurParts<>nil then
|
|
debugln('THelpManager.ShowHelpForMessage ',CurParts.Text)
|
|
else
|
|
debugln('THelpManager.ShowHelpForMessage no parts');
|
|
if CurParts<>nil then
|
|
Result.Assign(CurParts);
|
|
finally
|
|
AnOutputFilter.Free;
|
|
end;
|
|
end;
|
|
|
|
var
|
|
MsgItem: TMessageLine;
|
|
MessageParts: TStringList;
|
|
begin
|
|
debugln('THelpManager.ShowHelpForMessage A Line=',dbgs(Line));
|
|
if MessagesView=nil then exit;
|
|
if Line<0 then
|
|
Line:=MessagesView.SelectedMessageIndex;
|
|
if (Line<0) or (Line>=MessagesView.VisibleItemCount) then exit;
|
|
MsgItem:=MessagesView.VisibleItems[Line];
|
|
if MsgItem=nil then exit;
|
|
if MsgItem.Msg<>'' then begin
|
|
MessageParts:=ParseMessage(MsgItem);
|
|
ShowHelpOrErrorForMessageLine(MsgItem.Msg,MessageParts);
|
|
end;
|
|
end;
|
|
|
|
end.
|
|
|