mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-06-07 19:18:15 +02:00
637 lines
20 KiB
ObjectPascal
637 lines
20 KiB
ObjectPascal
{ $Id$ }
|
|
{
|
|
/***************************************************************************
|
|
helpmanager.pas
|
|
---------------
|
|
|
|
|
|
***************************************************************************/
|
|
|
|
***************************************************************************
|
|
* *
|
|
* This source is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* This code is distributed in the hope that it will be useful, but *
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
|
|
* General Public License for more details. *
|
|
* *
|
|
* A copy of the GNU General Public License is available on the World *
|
|
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
|
|
* obtain it by writing to the Free Software Foundation, *
|
|
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
|
|
* *
|
|
***************************************************************************
|
|
}
|
|
unit HelpManager;
|
|
|
|
{$mode objfpc}{$H+}
|
|
|
|
interface
|
|
|
|
uses
|
|
Classes, SysUtils, LCLProc, Forms, Controls, Buttons, StdCtrls, Dialogs,
|
|
CodeToolManager, CodeAtom, CodeCache, CustomCodeTool, CodeTree,
|
|
PascalParserTool, FindDeclarationTool,
|
|
HelpIntf, HelpHTML, HelpFPDoc,
|
|
TransferMacros, DialogProcs, IDEOptionDefs, EnvironmentOpts, AboutFrm,
|
|
MsgView, Project, PackageDefs, MainBar, HelpOptions, MainIntf;
|
|
|
|
type
|
|
{ TBaseHelpManager }
|
|
|
|
TBaseHelpManager = class(TComponent)
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
destructor Destroy; override;
|
|
public
|
|
procedure ConnectMainBarEvents; virtual;
|
|
procedure LoadHelpOptions; virtual; abstract;
|
|
procedure SaveHelpOptions; virtual; abstract;
|
|
|
|
function ShowHelpForSourcePosition(const Filename: string;
|
|
const CodePos: TPoint;
|
|
var ErrMsg: string): TShowHelpResult; virtual; abstract;
|
|
procedure ShowHelpForMessage(Line: integer); virtual; abstract;
|
|
end;
|
|
|
|
|
|
{ TIDEHelpDatabases }
|
|
|
|
TIDEHelpDatabases = class(THelpDatabases)
|
|
public
|
|
function ShowHelpSelector(Query: THelpQuery; Nodes: TList;
|
|
var ErrMsg: string;
|
|
var Selection: THelpNode): TShowHelpResult; override;
|
|
procedure ShowError(ShowResult: TShowHelpResult; const ErrMsg: string); override;
|
|
function GetBaseDirectoryForBasePathObject(BasePathObject: TObject): string; override;
|
|
function ShowHelpForSourcePosition(Query: THelpQuerySourcePosition;
|
|
var ErrMsg: string): TShowHelpResult; override;
|
|
function StrHasMacros(const s: string): boolean; override;
|
|
function SubstituteMacros(var s: string): boolean; override;
|
|
end;
|
|
|
|
|
|
{ THelpManager }
|
|
|
|
THelpManager = class(TBaseHelpManager)
|
|
// help menu of the IDE menu bar
|
|
procedure mnuHelpAboutLazarusClicked(Sender: TObject);
|
|
procedure mnuHelpConfigureHelpClicked(Sender: TObject);
|
|
procedure mnuHelpOnlineHelpClicked(Sender: TObject);
|
|
private
|
|
FMainHelpDB: THelpDatabase;
|
|
FFCLHelpDB: THelpDatabase;
|
|
FLCLHelpDB: THelpDatabase;
|
|
procedure RegisterIDEHelpDatabases;
|
|
procedure RegisterDefaultIDEHelpViewers;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
destructor Destroy; override;
|
|
|
|
procedure ConnectMainBarEvents; override;
|
|
procedure LoadHelpOptions; override;
|
|
procedure SaveHelpOptions; override;
|
|
|
|
procedure ShowLazarusHelpStartPage;
|
|
procedure ShowIDEHelpForContext(HelpContext: THelpContext);
|
|
procedure ShowIDEHelpForKeyword(const Keyword: string);
|
|
|
|
function ShowHelpForSourcePosition(const Filename: string;
|
|
const CodePos: TPoint;
|
|
var ErrMsg: string): TShowHelpResult; override;
|
|
procedure ShowHelpForMessage(Line: integer); override;
|
|
public
|
|
property MainHelpDB: THelpDatabase read FMainHelpDB;
|
|
property FCLHelpDB: THelpDatabase read FFCLHelpDB;
|
|
end;
|
|
|
|
{ Help Contexts for IDE help }
|
|
const
|
|
lihcStartPage = 'StartPage';
|
|
lihcFCLUnits = 'FCLUnits';
|
|
lihcLCLUnits = 'LCLUnits';
|
|
|
|
var
|
|
HelpBoss: TBaseHelpManager;
|
|
|
|
implementation
|
|
|
|
{ TBaseHelpManager }
|
|
|
|
constructor TBaseHelpManager.Create(TheOwner: TComponent);
|
|
begin
|
|
inherited Create(TheOwner);
|
|
HelpBoss:=Self;
|
|
end;
|
|
|
|
destructor TBaseHelpManager.Destroy;
|
|
begin
|
|
HelpBoss:=nil;
|
|
inherited Destroy;
|
|
end;
|
|
|
|
procedure TBaseHelpManager.ConnectMainBarEvents;
|
|
begin
|
|
|
|
end;
|
|
|
|
{ THelpSelectorDialog }
|
|
|
|
type
|
|
THelpSelectorDialog = class(TForm)
|
|
NodesGroupBox: TGroupBox;
|
|
NodesListBox: TListBox;
|
|
OkButton: TButton;
|
|
CancelButton: TButton;
|
|
procedure HelpSelectorDialogClose(Sender: TObject;
|
|
var CloseAction: TCloseAction);
|
|
private
|
|
FNodes: TList;
|
|
procedure SetNodes(const AValue: TList);
|
|
procedure FillNodesListBox;
|
|
public
|
|
constructor Create(TheOwner: TComponent); override;
|
|
property Nodes: TList read FNodes write SetNodes;
|
|
end;
|
|
|
|
procedure THelpSelectorDialog.HelpSelectorDialogClose(Sender: TObject;
|
|
var CloseAction: TCloseAction);
|
|
begin
|
|
IDEDialogLayoutList.SaveLayout(Self);
|
|
end;
|
|
|
|
procedure THelpSelectorDialog.SetNodes(const AValue: TList);
|
|
begin
|
|
if FNodes=AValue then exit;
|
|
FNodes:=AValue;
|
|
FillNodesListBox;
|
|
end;
|
|
|
|
procedure THelpSelectorDialog.FillNodesListBox;
|
|
var
|
|
List: TStringList;
|
|
Node: THelpNode;
|
|
i: Integer;
|
|
begin
|
|
List:=TStringList.Create;
|
|
if (Nodes<>nil) then begin
|
|
for i:=0 to Nodes.Count-1 do begin
|
|
Node:=TObject(Nodes[i]) as THelpNode;
|
|
List.Add(Node.Title);
|
|
end;
|
|
end;
|
|
NodesListBox.Items.Assign(List);
|
|
List.Free;
|
|
end;
|
|
|
|
constructor THelpSelectorDialog.Create(TheOwner: TComponent);
|
|
begin
|
|
inherited Create(TheOwner);
|
|
Position:=poScreenCenter;
|
|
IDEDialogLayoutList.ApplyLayout(Self,500,300);
|
|
OnClose:=@HelpSelectorDialogClose;
|
|
|
|
NodesGroupBox:=TGroupBox.Create(Self);
|
|
with NodesGroupBox do begin
|
|
Name:='NodesGroupBox';
|
|
Parent:=Self;
|
|
Left:=5;
|
|
Top:=5;
|
|
Width:=Self.ClientWidth-10;
|
|
Height:=Self.ClientWidth-40;
|
|
Anchors:=[akLeft,akTop,akRight,akBottom];
|
|
Caption:='Select a help item:';
|
|
end;
|
|
|
|
NodesListBox:=TListBox.Create(Self);
|
|
with NodesListBox do begin
|
|
Name:='NodesListBox';
|
|
Parent:=NodesGroupBox;
|
|
Align:=alClient;
|
|
end;
|
|
|
|
OkButton:=TButton.Create(Self);
|
|
with OkButton do begin
|
|
Name:='OkButton';
|
|
Parent:=Self;
|
|
Left:=5;
|
|
Top:=Self.ClientHeight-35;
|
|
Width:=80;
|
|
Anchors:=[akLeft,akBottom];
|
|
Caption:='Ok';
|
|
ModalResult:=mrOk;
|
|
end;
|
|
|
|
CancelButton:=TButton.Create(Self);
|
|
with CancelButton do begin
|
|
Name:='CancelButton';
|
|
Parent:=Self;
|
|
Left:=OkButton.Left+OkButton.Width+10;
|
|
Top:=Self.ClientHeight-35;
|
|
Width:=80;
|
|
Anchors:=[akLeft,akBottom];
|
|
Caption:='Cancel';
|
|
ModalResult:=mrCancel;
|
|
end;
|
|
end;
|
|
|
|
{ TIDEHelpDatabases }
|
|
|
|
function TIDEHelpDatabases.ShowHelpSelector(Query: THelpQuery; Nodes: TList;
|
|
var ErrMsg: string; var Selection: THelpNode): TShowHelpResult;
|
|
var
|
|
Dialog: THelpSelectorDialog;
|
|
i: LongInt;
|
|
begin
|
|
Selection:=nil;
|
|
Result:=shrNone;
|
|
Dialog:=THelpSelectorDialog.Create(Application);
|
|
try
|
|
Dialog.Nodes:=Nodes;
|
|
if Dialog.ShowModal=mrOk then begin
|
|
i:=Dialog.NodesListBox.ItemIndex;
|
|
if i>=0 then begin
|
|
Selection:=THelpNode(Nodes[i]);
|
|
Result:=shrSuccess;
|
|
end;
|
|
end;
|
|
finally
|
|
Dialog.Free;
|
|
end;
|
|
end;
|
|
|
|
procedure TIDEHelpDatabases.ShowError(ShowResult: TShowHelpResult;
|
|
const ErrMsg: string);
|
|
var
|
|
ErrorCaption: String;
|
|
begin
|
|
case ShowResult of
|
|
shrNone: ErrorCaption:='Error';
|
|
shrSuccess: exit;
|
|
shrDatabaseNotFound: ErrorCaption:='Help Database not found';
|
|
shrContextNotFound: ErrorCaption:='Help Context not found';
|
|
shrViewerNotFound: ErrorCaption:='Help Viewer not found';
|
|
shrHelpNotFound: ErrorCaption:='Help not found';
|
|
shrViewerError: ErrorCaption:='Help Viewer Error';
|
|
shrSelectorError: ErrorCaption:='Help Selector Error';
|
|
else ErrorCaption:='Unknown Error, please report this bug';
|
|
end;
|
|
MessageDlg(ErrorCaption,ErrMsg,mtError,[mbCancel],0);
|
|
end;
|
|
|
|
function TIDEHelpDatabases.GetBaseDirectoryForBasePathObject(
|
|
BasePathObject: TObject): string;
|
|
begin
|
|
Result:='';
|
|
if (BasePathObject=HelpBoss) or (BasePathObject=MainIDEInterface) then
|
|
Result:=EnvironmentOptions.LazarusDirectory
|
|
else if BasePathObject is TProject then
|
|
Result:=TProject(BasePathObject).ProjectDirectory
|
|
else if BasePathObject is TLazPackage then
|
|
Result:=TLazPackage(BasePathObject).Directory;
|
|
SubstituteMacros(Result);
|
|
end;
|
|
|
|
function TIDEHelpDatabases.ShowHelpForSourcePosition(
|
|
Query: THelpQuerySourcePosition; var ErrMsg: string): TShowHelpResult;
|
|
begin
|
|
Result:=HelpBoss.ShowHelpForSourcePosition(Query.Filename,
|
|
Query.SourcePosition,ErrMsg);
|
|
end;
|
|
|
|
function TIDEHelpDatabases.StrHasMacros(const s: string): boolean;
|
|
begin
|
|
Result:=MainIDEInterface.MacroList.StrHasMacros(s);
|
|
end;
|
|
|
|
function TIDEHelpDatabases.SubstituteMacros(var s: string): boolean;
|
|
begin
|
|
//debugln('TIDEHelpDatabases.SubstituteMacros s="',s,'" ');
|
|
Result:=MainIDEInterface.MacroList.SubstituteStr(s);
|
|
//debugln('TIDEHelpDatabases.SubstituteMacros END s="',s,'"');
|
|
end;
|
|
|
|
{ THelpManager }
|
|
|
|
procedure THelpManager.mnuHelpAboutLazarusClicked(Sender: TObject);
|
|
begin
|
|
ShowAboutForm;
|
|
end;
|
|
|
|
procedure THelpManager.mnuHelpConfigureHelpClicked(Sender: TObject);
|
|
begin
|
|
if ShowHelpOptionsDialog=mrOk then
|
|
SaveHelpOptions;
|
|
end;
|
|
|
|
procedure THelpManager.mnuHelpOnlineHelpClicked(Sender: TObject);
|
|
begin
|
|
ShowLazarusHelpStartPage;
|
|
end;
|
|
|
|
procedure THelpManager.RegisterIDEHelpDatabases;
|
|
|
|
procedure CreateMainIDEHelpDB;
|
|
var
|
|
StartNode: THelpNode;
|
|
HTMLHelp: THTMLHelpDatabase;
|
|
begin
|
|
FMainHelpDB:=HelpDatabases.CreateHelpDatabase('Lazarus IDE',
|
|
THTMLHelpDatabase,true);
|
|
HTMLHelp:=FMainHelpDB as THTMLHelpDatabase;
|
|
HTMLHelp.BasePathObject:=Self;
|
|
// nodes
|
|
StartNode:=THelpNode.CreateURLID(HTMLHelp,'Lazarus',
|
|
'file://docs/index.html',lihcStartPage);
|
|
HTMLHelp.TOCNode:=THelpNode.Create(HTMLHelp,StartNode);
|
|
HTMLHelp.RegisterItemWithNode(StartNode);
|
|
end;
|
|
|
|
procedure CreateFCLHelpDB;
|
|
var
|
|
HTMLHelp: TFPDocHTMLHelpDatabase;
|
|
FPDocNode: THelpNode;
|
|
DirItem: THelpDBISourceDirectory;
|
|
begin
|
|
FFCLHelpDB:=HelpDatabases.CreateHelpDatabase('FCL',TFPDocHTMLHelpDatabase,
|
|
true);
|
|
HTMLHelp:=FFCLHelpDB as TFPDocHTMLHelpDatabase;
|
|
|
|
// FPDoc: units in the FCL
|
|
FPDocNode:=THelpNode.CreateURL(HTMLHelp,
|
|
'FCL - Free Pascal Component Library Units',
|
|
'http://www.freepascal.org/docs-html/fcl/index.html');
|
|
HTMLHelp.TOCNode:=THelpNode.Create(HTMLHelp,FPDocNode);
|
|
DirItem:=THelpDBISourceDirectory.Create(FPDocNode,'$(FPCSrcDir)/fcl',
|
|
'*.pp;*.pas',true);
|
|
HTMLHelp.RegisterItem(DirItem);
|
|
|
|
// FPDoc: some RTL units are documented in the FCL
|
|
DirItem:=THelpDBISourceDirectory.Create(
|
|
THelpNode.Create(HTMLHelp,FPDocNode),
|
|
'$(FPCSrcDir)/rtl','classes.pp;',true);
|
|
HTMLHelp.RegisterItem(DirItem);
|
|
end;
|
|
|
|
procedure CreateLCLHelpDB;
|
|
var
|
|
HTMLHelp: TFPDocHTMLHelpDatabase;
|
|
FPDocNode: THelpNode;
|
|
DirItem: THelpDBISourceDirectory;
|
|
begin
|
|
FLCLHelpDB:=HelpDatabases.CreateHelpDatabase('LCL',TFPDocHTMLHelpDatabase,
|
|
true);
|
|
HTMLHelp:=FLCLHelpDB as TFPDocHTMLHelpDatabase;
|
|
HTMLHelp.BasePathObject:=Self;
|
|
|
|
// FPDoc: units in the LCL
|
|
FPDocNode:=THelpNode.CreateURL(HTMLHelp,
|
|
'LCL - Lazarus Component Library Units',
|
|
'file://$(LazarusDir)/docs/html/index.html');
|
|
HTMLHelp.TOCNode:=THelpNode.Create(HTMLHelp,FPDocNode);
|
|
DirItem:=THelpDBISourceDirectory.Create(FPDocNode,'$(LazarusDir)/lcl',
|
|
'*.pp;*.pas',false);
|
|
HTMLHelp.RegisterItem(DirItem);
|
|
end;
|
|
|
|
begin
|
|
CreateMainIDEHelpDB;
|
|
CreateFCLHelpDB;
|
|
CreateLCLHelpDB;
|
|
end;
|
|
|
|
procedure THelpManager.RegisterDefaultIDEHelpViewers;
|
|
begin
|
|
HelpViewers.RegisterViewer(THTMLBrowserHelpViewer.Create);
|
|
end;
|
|
|
|
constructor THelpManager.Create(TheOwner: TComponent);
|
|
begin
|
|
inherited Create(TheOwner);
|
|
HelpOpts:=THelpOptions.Create;
|
|
HelpOpts.SetDefaultFilename;
|
|
HelpDatabases:=TIDEHelpDatabases.Create;
|
|
HelpViewers:=THelpViewers.Create;
|
|
RegisterIDEHelpDatabases;
|
|
RegisterDefaultIDEHelpViewers;
|
|
end;
|
|
|
|
destructor THelpManager.Destroy;
|
|
begin
|
|
FreeThenNil(HelpDatabases);
|
|
FreeThenNil(HelpViewers);
|
|
FreeThenNil(HelpOpts);
|
|
inherited Destroy;
|
|
end;
|
|
|
|
procedure THelpManager.ConnectMainBarEvents;
|
|
begin
|
|
with MainIDEBar do begin
|
|
itmHelpAboutLazarus.OnClick := @mnuHelpAboutLazarusClicked;
|
|
itmHelpOnlineHelp.OnClick :=@mnuHelpOnlineHelpClicked;
|
|
itmHelpConfigureHelp.OnClick :=@mnuHelpConfigureHelpClicked;
|
|
end;
|
|
end;
|
|
|
|
procedure THelpManager.LoadHelpOptions;
|
|
begin
|
|
HelpOpts.Load;
|
|
end;
|
|
|
|
procedure THelpManager.SaveHelpOptions;
|
|
begin
|
|
HelpOpts.Save;
|
|
end;
|
|
|
|
procedure THelpManager.ShowLazarusHelpStartPage;
|
|
begin
|
|
ShowIDEHelpForKeyword(lihcStartPage);
|
|
end;
|
|
|
|
procedure THelpManager.ShowIDEHelpForContext(HelpContext: THelpContext);
|
|
begin
|
|
ShowHelpOrErrorForContext(MainHelpDB.ID,HelpContext);
|
|
end;
|
|
|
|
procedure THelpManager.ShowIDEHelpForKeyword(const Keyword: string);
|
|
begin
|
|
ShowHelpOrErrorForKeyword(MainHelpDB.ID,Keyword);
|
|
end;
|
|
|
|
function THelpManager.ShowHelpForSourcePosition(const Filename: string;
|
|
const CodePos: TPoint; var ErrMsg: string): TShowHelpResult;
|
|
|
|
function ConvertCodePosToPascalHelpContext(ACodePos: PCodeXYPosition
|
|
): TPascalHelpContextList;
|
|
|
|
procedure AddContext(Descriptor: TPascalHelpContextType;
|
|
const Context: string);
|
|
var
|
|
CurContext: TPascalHelpContext;
|
|
begin
|
|
CurContext.Descriptor:=Descriptor;
|
|
CurContext.Context:=Context;
|
|
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.ExtractProcHead(Node,
|
|
[phpWithoutClassName]));
|
|
ctnProcedureHead:
|
|
AddContext(pihcParameterList,'');
|
|
end;
|
|
end;
|
|
|
|
var
|
|
MainCodeBuffer: TCodeBuffer;
|
|
Tool: TCustomCodeTool;
|
|
CleanPos: integer;
|
|
i: Integer;
|
|
Node: TCodeTreeNode;
|
|
IncludeChain: TList;
|
|
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: TList;
|
|
PascalHelpContextLists: TList;
|
|
NewList: TPascalHelpContextList;
|
|
begin
|
|
debugln('THelpManager.ShowHelpForSourcePosition A Filename=',Filename,' ',dbgs(CodePos));
|
|
Result:=shrSuccess;
|
|
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.FindDeclarationsAndAncestors(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));
|
|
ShowHelpForPascalContexts(Filename,CodePos,PascalHelpContextLists,ErrMsg);
|
|
end else begin
|
|
MainIDEInterface.DoJumpToCodeToolBossError;
|
|
end;
|
|
finally
|
|
if ListOfPCodeXYPosition<>nil then begin
|
|
for i:=0 to ListOfPCodeXYPosition.Count-1 do begin
|
|
CurCodePos:=PCodeXYPosition(ListOfPCodeXYPosition[i]);
|
|
Dispose(CurCodePos);
|
|
end;
|
|
ListOfPCodeXYPosition.Free;
|
|
end;
|
|
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);
|
|
var
|
|
Msg: String;
|
|
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;
|
|
Msg:=MessagesView.VisibleItems[Line].Msg;
|
|
if Msg<>'' then begin
|
|
ShowHelpOrErrorForMessageLine(Msg);
|
|
end;
|
|
end;
|
|
|
|
end.
|
|
|