X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b13f5fbf29003f4b44eb8aed4b208481e812ed2e..f0e5a44df103e880f57416f483e8f3f4b4bc9651:/src/generic/helpext.cpp diff --git a/src/generic/helpext.cpp b/src/generic/helpext.cpp index 66f9096240..9f4ef3d109 100644 --- a/src/generic/helpext.cpp +++ b/src/generic/helpext.cpp @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////// // Name: helpext.cpp -// Purpose: an external help controller for wxWindows +// Purpose: an external help controller for wxWidgets // Author: Karsten Ballueder // Modified by: // Created: 04/01/98 @@ -9,7 +9,7 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) # pragma implementation "wxexthlp.h" #endif @@ -19,7 +19,7 @@ #pragma hdrstop #endif -#if wxUSE_HELP +#if wxUSE_HELP && !defined(__WXWINCE__) && (!defined(__WXMAC__) || defined(__WXMAC_OSX__)) #ifndef WX_PRECOMP #include "wx/setup.h" @@ -27,6 +27,9 @@ #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" @@ -44,7 +47,25 @@ #include #endif -IMPLEMENT_CLASS(wxExtHelpController, wxHTMLHelpControllerBase) +// ---------------------------------------------------------------------------- +// 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. @@ -52,23 +73,28 @@ IMPLEMENT_CLASS(wxExtHelpController, wxHTMLHelpControllerBase) 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; @@ -96,9 +122,8 @@ wxExtHelpController::DisplayHelp(const wxString &relativeURL) wxLogSysError(_("Cannot open URL '%s'"), relativeURL.c_str()); return false; } - else - return true; + return true; #elif defined(__WXPM__) wxString url; @@ -112,7 +137,7 @@ wxExtHelpController::DisplayHelp(const wxString &relativeURL) // return false; // } // else - return TRUE; + return true; #elif defined(__DOS__) @@ -125,6 +150,7 @@ wxExtHelpController::DisplayHelp(const wxString &relativeURL) #else // UNIX wxString command; +#ifndef __EMX__ if(m_BrowserIsNetscape) // try re-loading first { wxString lockfile; @@ -140,16 +166,17 @@ wxExtHelpController::DisplayHelp(const wxString &relativeURL) // cannot use wxFileExists, because it's a link pointing to a // non-existing location if(wxFileExists(lockfile)) #endif - { + { 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; + return true; } } +#endif command = m_BrowserName; command << wxT(" file://") << m_MapFile << WXEXTHELP_SEPARATOR << relativeURL; @@ -157,5 +184,284 @@ wxExtHelpController::DisplayHelp(const wxString &relativeURL) #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.empty()) + { + 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().empty()) + { + 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 = wxEmptyString; + while(buffer[i] && ! isspace(buffer[i]) && buffer[i] != + WXEXTHELP_COMMENTCHAR) + url << (wxChar) buffer[i++]; + while(buffer[i] && buffer[i] != WXEXTHELP_COMMENTCHAR) + i++; + doc = wxEmptyString; + 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(wxEmptyString); +} + +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, + wxHelpSearchMode WXUNUSED(mode)) +{ + 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.empty(); + 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.empty()) + { + urls[idx] = entry->url; + // doesn't work: + // choices[idx] = (**i).doc.Contains((**i).doc.Before(WXEXTHELP_COMMENTCHAR)); + //if(choices[idx].empty()) // didn't contain the ';' + // choices[idx] = (**i).doc; + choices[idx] = wxEmptyString; + 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