X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bbe0af5b15f8b8e95ed45abc2140fb3a1fac3c87..1978421a6d8b81c1f8a961da4b8ddf544fec7b1b:/src/generic/helpext.cpp?ds=inline diff --git a/src/generic/helpext.cpp b/src/generic/helpext.cpp index c439ce2934..39ec7e094a 100644 --- a/src/generic/helpext.cpp +++ b/src/generic/helpext.cpp @@ -1,95 +1,213 @@ -/*-*- c++ -*-******************************************************** - * wxexthlp.cpp - an external help controller for wxWindows * - * * - * (C) 1998 by Karsten Ballüder (Ballueder@usa.net) * - * * - * $Id$ - *******************************************************************/ -#ifdef __GNUG__ +///////////////////////////////////////////////////////////////////////////// +// 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 +///////////////////////////////////////////////////////////////////////////// + +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) # 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 +#include "wx/wxprec.h" +#ifdef __BORLANDC__ + #pragma hdrstop +#endif +#if wxUSE_HELP && !defined(__WXWINCE__) -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; } -}; +#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" -struct wxBusyCursor -{ - wxBusyCursor() { wxBeginBusyCursor(); } - ~wxBusyCursor() { wxEndBusyCursor(); } -}; +#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; - m_NumOfEntries = 0; - 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); } } -void -wxExtHelpController::DeleteList(void) +wxExtHelpController::~wxExtHelpController() { - if(m_MapList) + DeleteList(); +} + +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(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 ) { - wxNode *node = m_MapList->First(); - while (node) + 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); +#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.fn_str(), &statbuf) == 0) + // cannot use wxFileExists, because it's a link pointing to a + // non-existing location if(wxFileExists(lockfile)) +#endif { - delete (wxExtHelpMapEntry *)node->Data(); - delete node; - node = m_MapList->First(); + long success; + 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; } - delete m_MapList; - m_MapList = (wxList*) NULL; } +#endif + command = m_BrowserName; + command << wxT(" file://") + << m_MapFile << WXEXTHELP_SEPARATOR << relativeURL; + return wxExecute(command) != 0; +#endif } -wxExtHelpController::~wxExtHelpController(void) +class wxExtHelpMapEntry : public wxObject { - DeleteList(); -} +public: + int id; + wxString url; + wxString doc; + wxExtHelpMapEntry(int iid, wxString const &iurl, wxString const &idoc) + { id = iid; url = iurl; doc = idoc; } +}; -void -wxExtHelpController::SetBrowser(wxString const & browsername, bool isNetscape) +void wxExtHelpController::DeleteList() { - m_BrowserName = browsername; - m_BrowserIsNetscape = isNetscape; + 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 @@ -103,14 +221,14 @@ wxExtHelpController::Initialize(const wxString& file) return LoadFile(file); } - -bool -wxExtHelpController::LoadFile(const wxString& ifile) + +// 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()) @@ -118,17 +236,45 @@ wxExtHelpController::LoadFile(const wxString& ifile) file = ifile; if(! wxIsAbsolutePath(file)) { - char* f = wxGetWorkingDirectory(); + 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 @@ -140,8 +286,8 @@ wxExtHelpController::LoadFile(const wxString& ifile) DeleteList(); m_MapList = new wxList; m_NumOfEntries = 0; - - FILE *input = fopen(mapFile.c_str(),"rt"); + + FILE *input = wxFopen(mapFile,wxT("rt")); if(! input) return FALSE; do @@ -155,65 +301,58 @@ wxExtHelpController::LoadFile(const wxString& ifile) break; // error for(i=0; isdigit(buffer[i])||isspace(buffer[i])||buffer[i]=='-'; i++) ; // find begin of URL - url = ""; + url = wxT(""); while(buffer[i] && ! isspace(buffer[i]) && buffer[i] != WXEXTHELP_COMMENTCHAR) - url << buffer[i++]; + url << (wxChar) buffer[i++]; while(buffer[i] && buffer[i] != WXEXTHELP_COMMENTCHAR) i++; - doc = ""; + doc = wxT(""); if(buffer[i]) - doc = (buffer + i + 1); // skip the comment character + 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::CallBrowser(wxString const &relativeURL) +wxExtHelpController::DisplayContents() { - wxBusyCursor b; // display a busy cursor - wxString command; + if(! m_NumOfEntries) + return FALSE; - if(m_BrowserIsNetscape) // try re-loading first + wxString contents; + wxList::compatibility_iterator node = m_MapList->GetFirst(); + wxExtHelpMapEntry *entry; + while(node) { - wxString lockfile; - wxGetHomeDir(&lockfile); - lockfile << WXEXTHELP_SEPARATOR << ".netscape/lock"; - struct stat statbuf; - if(lstat(lockfile.c_str(), &statbuf) == 0) - // cannot use wxFileExists, because it's a link pointing to a - // non-existing location if(wxFileExists(lockfile)) + entry = (wxExtHelpMapEntry *)node->GetData(); + if(entry->id == CONTENTS_ID) { - long success; - command << m_BrowserName << " -remote openURL(" - << "file://" << m_MapFile - << WXEXTHELP_SEPARATOR << relativeURL << ")"; - success = wxExecute(command); - if(success != 0 ) // returns PID on success - return TRUE; + contents = entry->url; + break; } + node = node->GetNext(); } - command = m_BrowserName; - command << " file://" - << m_MapFile << WXEXTHELP_SEPARATOR << relativeURL; - return wxExecute(command) != 0; -} -bool -wxExtHelpController::DisplayContents(void) -{ - if(! m_NumOfEntries) - return FALSE; - wxBusyCursor b; // display a busy cursor - return KeywordSearch(""); + 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) { @@ -221,18 +360,28 @@ wxExtHelpController::DisplaySection(int sectionNo) return FALSE; wxBusyCursor b; // display a busy cursor - wxNode *node = m_MapList->First(); + wxList::compatibility_iterator node = m_MapList->GetFirst(); wxExtHelpMapEntry *entry; while(node) { - entry = (wxExtHelpMapEntry *)node->Data(); + entry = (wxExtHelpMapEntry *)node->GetData(); if(entry->id == sectionNo) - return CallBrowser(entry->url); - node = node->Next(); + 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) { @@ -245,40 +394,42 @@ wxExtHelpController::KeywordSearch(const wxString& k) if(! m_NumOfEntries) return FALSE; - wxBusyCursor b; // display a busy cursor 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(); - wxNode *node = m_MapList->First(); + wxList::compatibility_iterator node = m_MapList->GetFirst(); wxExtHelpMapEntry *entry; - - compA = k; compA.LowerCase(); // we compare case insensitive - while(node) + { - entry = (wxExtHelpMapEntry *)node->Data(); - compB = entry->doc; compB.LowerCase(); - if((showAll || compB.Contains(k)) && ! compB.IsEmpty()) + wxBusyCursor b; // display a busy cursor + compA = k; compA.LowerCase(); // we compare case insensitive + while(node) { - 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] = ""; - for(j=0;entry->doc.c_str()[j] - && entry->doc.c_str()[j] != WXEXTHELP_COMMENTCHAR; j++) - choices[idx] << entry->doc.c_str()[j]; - idx++; + 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(); } - node = node->Next(); } if(idx == 1) - rc = CallBrowser(urls[0]); + rc = DisplayHelp(urls[0]); else if(idx == 0) { wxMessageBox(_("No entries found.")); @@ -290,25 +441,26 @@ wxExtHelpController::KeywordSearch(const wxString& k) showAll ? _("Help Index") : _("Entries found"), idx,choices); if(idx != -1) - rc = CallBrowser(urls[idx]); + rc = DisplayHelp(urls[idx]); else rc = FALSE; } delete[] urls; delete[] choices; - + return rc; } -bool -wxExtHelpController::Quit(void) +bool wxExtHelpController::Quit() { return TRUE; } -void -wxExtHelpController::OnQuit(void) +void wxExtHelpController::OnQuit() { } + +#endif // wxUSE_HELP +