X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e2a6f23364aefcd5095dc6558e3ab8144363fa96..31478355f8348d7dfb1c647919b62b224acfa8a0:/src/generic/helpext.cpp diff --git a/src/generic/helpext.cpp b/src/generic/helpext.cpp index 80e91ebdc4..0ba8104d47 100644 --- a/src/generic/helpext.cpp +++ b/src/generic/helpext.cpp @@ -1,84 +1,466 @@ -/*-*- c++ -*-******************************************************** - * helpext.cpp - an external help controller for wxWindows * - * * - * (C) 1999 by Karsten Ballüder (Ballueder@usa.net) * - * * - * $Id$ - *******************************************************************/ +///////////////////////////////////////////////////////////////////////////// +// Name: helpext.cpp +// Purpose: an external help controller for wxWindows +// Author: Karsten Ballueder +// Modified by: +// Created: 04/01/98 +// RCS-ID: $Id$ +// Copyright: (c) Karsten Ballueder +// Licence: wxWindows licence +///////////////////////////////////////////////////////////////////////////// + #ifdef __GNUG__ # pragma implementation "wxexthlp.h" #endif -#include "wx/setup.h" -#include "wx/helpbase.h" -#include "wx/generic/helpext.h" -#include "wx/string.h" -#include "wx/utils.h" -#include "wx/list.h" -#include -#include -#include -#include - -IMPLEMENT_CLASS(wxExtHelpController, wxHTMLHelpControllerBase) - +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop +#endif + +#if wxUSE_HELP && !defined(__WXWINCE__) + +#ifndef WX_PRECOMP + #include "wx/setup.h" + #include "wx/string.h" + #include "wx/utils.h" + #include "wx/list.h" + #include "wx/intl.h" + #include "wx/msgdlg.h" + #include "wx/choicdlg.h" + #include "wx/log.h" +#endif + +#include "wx/helpbase.h" +#include "wx/generic/helpext.h" + +#include +#include +#include + +#if !defined(__WINDOWS__) && !defined(__OS2__) + #include +#endif + +#ifdef __WXMSW__ +#include +#endif + +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +/// Name for map file. +#define WXEXTHELP_MAPFILE _T("wxhelp.map") +/// Maximum line length in map file. +#define WXEXTHELP_BUFLEN 512 +/// Character introducing comments/documentation field in map file. +#define WXEXTHELP_COMMENTCHAR ';' + +#define CONTENTS_ID 0 + +IMPLEMENT_CLASS(wxExtHelpController, wxHelpControllerBase) + +/// Name of environment variable to set help browser. +#define WXEXTHELP_ENVVAR_BROWSER wxT("WX_HELPBROWSER") +/// Is browser a netscape browser? +#define WXEXTHELP_ENVVAR_BROWSERISNETSCAPE wxT("WX_HELPBROWSER_NS") + /** This class implements help via an external browser. It requires the name of a directory containing the documentation and a file mapping numerical Section numbers to relative URLS. */ -wxExtHelpController::wxExtHelpController(void) +wxExtHelpController::wxExtHelpController() { + m_MapList = (wxList*) NULL; + m_NumOfEntries = 0; m_BrowserName = WXEXTHELP_DEFAULTBROWSER; m_BrowserIsNetscape = WXEXTHELP_DEFAULTBROWSER_IS_NETSCAPE; - char *browser = getenv(WXEXTHELP_ENVVAR_BROWSER); + wxChar *browser = wxGetenv(WXEXTHELP_ENVVAR_BROWSER); if(browser) { m_BrowserName = browser; - browser = getenv(WXEXTHELP_ENVVAR_BROWSERISNETSCAPE); - m_BrowserIsNetscape = browser && (atoi(browser) != 0); + browser = wxGetenv(WXEXTHELP_ENVVAR_BROWSERISNETSCAPE); + m_BrowserIsNetscape = browser && (wxAtoi(browser) != 0); } } +wxExtHelpController::~wxExtHelpController() +{ + DeleteList(); +} -void -wxExtHelpController::SetBrowser(wxString const & browsername, bool isNetscape) +void wxExtHelpController::SetBrowser(const wxString& browsername, bool isNetscape) { m_BrowserName = browsername; m_BrowserIsNetscape = isNetscape; } +// Set viewer: new, generic name for SetBrowser +void wxExtHelpController::SetViewer(const wxString& viewer, long flags) +{ + SetBrowser(viewer, ((flags & wxHELP_NETSCAPE) == wxHELP_NETSCAPE)); +} + bool -wxExtHelpController::DisplayHelp(wxString const &relativeURL) +wxExtHelpController::DisplayHelp(const wxString &relativeURL) { wxBusyCursor b; // display a busy cursor + + +#if defined(__WXMSW__) + wxString url; + url << m_MapFile << '\\' << relativeURL.BeforeFirst('#'); + bool bOk = (int)ShellExecute(NULL, wxT("open"), url.c_str(), + NULL, NULL, SW_SHOWNORMAL ) > 32; + if ( !bOk ) + { + wxLogSysError(_("Cannot open URL '%s'"), relativeURL.c_str()); + return false; + } + + return true; +#elif defined(__WXPM__) + + wxString url; + url << m_MapFile << '\\' << relativeURL.BeforeFirst('#'); +// will have to fix for OS/2, later.....DW +// bool bOk = (int)ShellExecute(NULL, "open", url, +// NULL, NULL, SW_SHOWNORMAL ) > 32; +// if ( !bOk ) +// { +// wxLogSysError(_("Cannot open URL '%s'"), relativeURL.c_str()); +// return false; +// } +// else + return TRUE; + +#elif defined(__DOS__) + wxString command; + command = m_BrowserName; + command << wxT(" file://") + << m_MapFile << WXEXTHELP_SEPARATOR << relativeURL; + return wxExecute(command) != 0; +#else // UNIX + wxString command; + +#ifndef __EMX__ if(m_BrowserIsNetscape) // try re-loading first { wxString lockfile; wxGetHomeDir(&lockfile); - lockfile << WXEXTHELP_SEPARATOR << ".netscape/lock"; +#ifdef __VMS__ + lockfile << WXEXTHELP_SEPARATOR << wxT(".netscape]lock."); + struct stat statbuf; + if(stat(lockfile.fn_str(), &statbuf) == 0) +#else + lockfile << WXEXTHELP_SEPARATOR << wxT(".netscape/lock"); struct stat statbuf; - if(lstat(lockfile.c_str(), &statbuf) == 0) + if(lstat(lockfile.fn_str(), &statbuf) == 0) // cannot use wxFileExists, because it's a link pointing to a // non-existing location if(wxFileExists(lockfile)) +#endif { long success; - command << m_BrowserName << " -remote openURL(" - << "file://" << m_MapFile - << WXEXTHELP_SEPARATOR << relativeURL << ")"; + command << m_BrowserName << wxT(" -remote openURL(") + << wxT("file://") << m_MapFile + << WXEXTHELP_SEPARATOR << relativeURL << wxT(")"); success = wxExecute(command); if(success != 0 ) // returns PID on success return TRUE; } } +#endif command = m_BrowserName; - command << " file://" - << m_MapFile << WXEXTHELP_SEPARATOR << relativeURL; - return wxExecute(command) != 0; + command << wxT(" file://") + << m_MapFile << WXEXTHELP_SEPARATOR << relativeURL; + return wxExecute(command) != 0; +#endif +} + +class wxExtHelpMapEntry : public wxObject +{ +public: + int id; + wxString url; + wxString doc; + wxExtHelpMapEntry(int iid, wxString const &iurl, wxString const &idoc) + { id = iid; url = iurl; doc = idoc; } +}; + +void wxExtHelpController::DeleteList() +{ + if(m_MapList) + { + wxList::compatibility_iterator node = m_MapList->GetFirst(); + while (node) + { + delete (wxExtHelpMapEntry *)node->GetData(); + m_MapList->Erase(node); + node = m_MapList->GetFirst(); + } + delete m_MapList; + m_MapList = (wxList*) NULL; + } +} + +/** This must be called to tell the controller where to find the + documentation. + @param file - NOT a filename, but a directory name. + @return true on success +*/ +bool +wxExtHelpController::Initialize(const wxString& file) +{ + return LoadFile(file); +} + + +// ifile is the name of the base help directory +bool wxExtHelpController::LoadFile(const wxString& ifile) +{ + wxString mapFile, file, url, doc; + int id,i,len; + char buffer[WXEXTHELP_BUFLEN]; + + wxBusyCursor b; // display a busy cursor + + if(! ifile.IsEmpty()) + { + file = ifile; + if(! wxIsAbsolutePath(file)) + { + wxChar* f = wxGetWorkingDirectory(); + file = f; + delete[] f; // wxGetWorkingDirectory returns new memory +#ifdef __WXMAC__ + file << ifile; +#else + file << WXEXTHELP_SEPARATOR << ifile; +#endif + } + else + file = ifile; + +#if wxUSE_INTL + // If a locale is set, look in file/localename, i.e. + // If passed "/usr/local/myapp/help" and the current wxLocale is + // set to be "de", then look in "/usr/local/myapp/help/de/" + // first and fall back to "/usr/local/myapp/help" if that + // doesn't exist. + if(wxGetLocale() && !wxGetLocale()->GetName().IsEmpty()) + { + wxString newfile; + newfile << WXEXTHELP_SEPARATOR << wxGetLocale()->GetName(); + if(wxDirExists(newfile)) + file = newfile; + else + { + newfile = WXEXTHELP_SEPARATOR; + const wxChar *cptr = wxGetLocale()->GetName().c_str(); + while(*cptr && *cptr != wxT('_')) + newfile << *(cptr++); + if(wxDirExists(newfile)) + file = newfile; + } + } +#endif + + if(! wxDirExists(file)) + return FALSE; + + mapFile << file << WXEXTHELP_SEPARATOR << WXEXTHELP_MAPFILE; + } + else // try to reload old file + mapFile = m_MapFile; + + if(! wxFileExists(mapFile)) + return FALSE; + + DeleteList(); + m_MapList = new wxList; + m_NumOfEntries = 0; + + FILE *input = wxFopen(mapFile,wxT("rt")); + if(! input) + return FALSE; + do + { + if(fgets(buffer,WXEXTHELP_BUFLEN,input) && *buffer != WXEXTHELP_COMMENTCHAR) + { + len = strlen(buffer); + if(buffer[len-1] == '\n') + buffer[len-1] = '\0'; // cut of trailing newline + if(sscanf(buffer,"%d", &id) != 1) + break; // error + for(i=0; isdigit(buffer[i])||isspace(buffer[i])||buffer[i]=='-'; i++) + ; // find begin of URL + url = wxT(""); + while(buffer[i] && ! isspace(buffer[i]) && buffer[i] != + WXEXTHELP_COMMENTCHAR) + url << (wxChar) buffer[i++]; + while(buffer[i] && buffer[i] != WXEXTHELP_COMMENTCHAR) + i++; + doc = wxT(""); + if(buffer[i]) + doc = wxString::FromAscii( (buffer + i + 1) ); // skip the comment character + m_MapList->Append(new wxExtHelpMapEntry(id,url,doc)); + m_NumOfEntries++; + } + }while(! feof(input)); + fclose(input); + + m_MapFile = file; // now it's valid + return TRUE; } +bool +wxExtHelpController::DisplayContents() +{ + if(! m_NumOfEntries) + return FALSE; + + wxString contents; + wxList::compatibility_iterator node = m_MapList->GetFirst(); + wxExtHelpMapEntry *entry; + while(node) + { + entry = (wxExtHelpMapEntry *)node->GetData(); + if(entry->id == CONTENTS_ID) + { + contents = entry->url; + break; + } + node = node->GetNext(); + } + + bool rc = FALSE; + wxString file; + file << m_MapFile << WXEXTHELP_SEPARATOR << contents; + if(file.Contains(wxT('#'))) + file = file.BeforeLast(wxT('#')); + if(contents.Length() && wxFileExists(file)) + rc = DisplaySection(CONTENTS_ID); + + // if not found, open homemade toc: + return rc ? TRUE : KeywordSearch(wxT("")); +} + +bool +wxExtHelpController::DisplaySection(int sectionNo) +{ + if(! m_NumOfEntries) + return FALSE; + + wxBusyCursor b; // display a busy cursor + wxList::compatibility_iterator node = m_MapList->GetFirst(); + wxExtHelpMapEntry *entry; + while(node) + { + entry = (wxExtHelpMapEntry *)node->GetData(); + if(entry->id == sectionNo) + return DisplayHelp(entry->url); + node = node->GetNext(); + } + return FALSE; +} + +bool wxExtHelpController::DisplaySection(const wxString& section) +{ + bool isFilename = (section.Find(wxT(".htm")) != -1); + + if (isFilename) + return DisplayHelp(section); + else + return KeywordSearch(section); +} + +bool +wxExtHelpController::DisplayBlock(long blockNo) +{ + return DisplaySection((int)blockNo); +} + +bool +wxExtHelpController::KeywordSearch(const wxString& k) +{ + if(! m_NumOfEntries) + return FALSE; + + wxString *choices = new wxString[m_NumOfEntries]; + wxString *urls = new wxString[m_NumOfEntries]; + wxString compA, compB; + + int idx = 0, j; + bool rc; + bool showAll = k.IsEmpty(); + wxList::compatibility_iterator node = m_MapList->GetFirst(); + wxExtHelpMapEntry *entry; + + { + wxBusyCursor b; // display a busy cursor + compA = k; compA.LowerCase(); // we compare case insensitive + while(node) + { + entry = (wxExtHelpMapEntry *)node->GetData(); + compB = entry->doc; compB.LowerCase(); + if((showAll || compB.Contains(k)) && ! compB.IsEmpty()) + { + urls[idx] = entry->url; + // doesn't work: + // choices[idx] = (**i).doc.Contains((**i).doc.Before(WXEXTHELP_COMMENTCHAR)); + //if(choices[idx].IsEmpty()) // didn't contain the ';' + // choices[idx] = (**i).doc; + choices[idx] = wxT(""); + for(j=0;entry->doc.c_str()[j] + && entry->doc.c_str()[j] != WXEXTHELP_COMMENTCHAR; j++) + choices[idx] << entry->doc.c_str()[j]; + idx++; + } + node = node->GetNext(); + } + } + + if(idx == 1) + rc = DisplayHelp(urls[0]); + else if(idx == 0) + { + wxMessageBox(_("No entries found.")); + rc = FALSE; + } + else + { + idx = wxGetSingleChoiceIndex(showAll ? _("Help Index") : _("Relevant entries:"), + showAll ? _("Help Index") : _("Entries found"), + idx,choices); + if(idx != -1) + rc = DisplayHelp(urls[idx]); + else + rc = FALSE; + } + delete[] urls; + delete[] choices; + + return rc; +} + + +bool wxExtHelpController::Quit() +{ + return TRUE; +} + +void wxExtHelpController::OnQuit() +{ +} + + +#endif // wxUSE_HELP +