-/*-*- 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 <stdio.h>
-#include <ctype.h>
-#include <sys/stat.h>
-#include <unistd.h>
+#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 <stdio.h>
+#include <ctype.h>
+#include <sys/stat.h>
+
+#if !defined(__WINDOWS__) && !defined(__OS2__)
+ #include <unistd.h>
+#endif
+
+#ifdef __WXMSW__
+#include <windows.h>
+#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 = NULL;
+ 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);
}
}
-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 = 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
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())
file = ifile;
if(! wxIsAbsolutePath(file))
{
- file = 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;
-
+ return FALSE;
+
mapFile << file << WXEXTHELP_SEPARATOR << WXEXTHELP_MAPFILE;
}
else // try to reload old file
mapFile = m_MapFile;
if(! wxFileExists(mapFile))
- return false;
+ return FALSE;
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;
+ return FALSE;
do
{
if(fgets(buffer,WXEXTHELP_BUFLEN,input) && *buffer != WXEXTHELP_COMMENTCHAR)
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]); i++)
+ 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++;
}
- else
- perror("");
}while(! feof(input));
fclose(input);
-
+
m_MapFile = file; // now it's valid
- return true;
+ 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)
{
if(! m_NumOfEntries)
- return false;
+ 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;
+ 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::KeywordSearch(const wxString& k)
{
if(! m_NumOfEntries)
- return false;
+ 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."));
- rc = false;
+ rc = FALSE;
}
else
{
showAll ? _("Help Index") : _("Entries found"),
idx,choices);
if(idx != -1)
- rc = CallBrowser(urls[idx]);
+ rc = DisplayHelp(urls[idx]);
else
- rc = false;
+ rc = FALSE;
}
delete[] urls;
delete[] choices;
-
+
return rc;
}
-bool
-wxExtHelpController::Quit(void)
+bool wxExtHelpController::Quit()
{
- return true;
+ return TRUE;
}
-void
-wxExtHelpController::OnQuit(void)
+void wxExtHelpController::OnQuit()
{
}
+
+#endif // wxUSE_HELP
+
projects / wxWidgets.git / blobdiff