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// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright (C) 1995 Matthias Ettrich
* Copyright (C) 1995-1998 The LyX Team.
*
*======================================================*/
#include <config.h>
// $Id: filedlg.C,v 1.1.1.1 1998/04/20 21:14:47 larsbj Exp $
#if !defined(lint) && !defined(WITH_WARNINGS)
static char vcid[] = "$Id: filedlg.C,v 1.1.1.1 1998/04/20 21:14:47 larsbj Exp $";
#endif /* lint */
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <pwd.h>
#include <grp.h>
#include <string.h>
#include "lyx_gui_misc.h" // CancelCloseCB
#include "FileInfo.h"
#include "gettext.h"
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_DIRENT_H
# include <dirent.h>
# define NAMLEN(dirent) strlen((dirent)->d_name)
#else
# define dirent direct
# define NAMLEN(dirent) (dirent)->d_namlen
# if HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
# if HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
# if HAVE_NDIR_H
# include <ndir.h>
# endif
#endif
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#ifdef BROKEN_HEADERS
extern "C" int gettimeofday(struct timeval *,struct timezone *);
#define remove(a) unlink(a)
#endif
#ifdef __GNUG__
#pragma implementation
#endif
#include "filetools.h"
#include "filedlg.h"
#include "definitions.h"
static const long SIX_MONTH_SEC = 6L * 30L * 24L * 60L * 60L; // six months, in seconds
static const long ONE_HOUR_SEC = 60L * 60L;
// *** User cache class implementation
// global instance (user cache root)
UserCache lyxUserCache = UserCache(LString(),0,0);
// Add: creates a new user entry
UserCache *UserCache::Add(uid_t ID)
{
LString pszNewName;
struct passwd *pEntry;
// gets user name
if ((pEntry = getpwuid(ID)))
pszNewName = pEntry->pw_name;
else {
pszNewName = LString() + int(ID); // We don't have int cast to LString
}
// adds new node
return new UserCache(pszNewName, ID, pRoot);
}
UserCache::UserCache(LString const & pszName, uid_t ID, UserCache *pRoot)
{
// links node
if (pRoot) {
this->pRoot = pRoot;
pNext = pRoot->pNext;
pRoot->pNext = this;
} else {
this->pRoot = this;
pNext = NULL;
}
// stores data
this->pszName = pszName;
this->ID = ID;
}
UserCache::~UserCache()
{
if (pNext) delete pNext;
}
// Find: seeks user name from user ID
LString UserCache::Find(uid_t ID)
{
if ((!pszName.empty()) && (this->ID == ID)) return pszName;
if (pNext) return pNext->Find(ID);
return pRoot->Add(ID)->pszName;
}
// *** Group cache class implementation
// global instance (group cache root)
GroupCache lyxGroupCache = GroupCache(LString(),0,0);
// Add: creates a new group entry
GroupCache *GroupCache::Add(gid_t ID)
{
LString pszNewName;
struct group *pEntry;
// gets user name
if ((pEntry = getgrgid(ID))) pszNewName = pEntry->gr_name;
else {
pszNewName = LString() + int(ID); // We don't have int cast to LString
}
// adds new node
return new GroupCache(pszNewName, ID, pRoot);
}
GroupCache::GroupCache(LString const & pszName, gid_t ID, GroupCache *pRoot)
{
// links node
if (pRoot) {
this->pRoot = pRoot;
pNext = pRoot->pNext;
pRoot->pNext = this;
} else {
this->pRoot = this;
pNext = NULL;
}
// stores data
this->pszName = pszName;
this->ID = ID;
}
GroupCache::~GroupCache()
{
if (pNext) delete pNext;
}
// Find: seeks group name from group ID
LString GroupCache::Find(gid_t ID)
{
if ((!pszName.empty()) && (this->ID == ID)) return pszName;
if (pNext) return pNext->Find(ID);
return pRoot->Add(ID)->pszName;
}
// *** LyXDirEntry internal structure implementation
// ldeCompProc: compares two LyXDirEntry objects content (used for qsort)
int LyXDirEntry::ldeCompProc(const LyXDirEntry *r1,
const LyXDirEntry *r2)
{
bool r1d = r1->pszName.suffixIs('/');
bool r2d = r2->pszName.suffixIs('/');
if (r1d && !r2d) return -1;
if (!r1d && r2d) return 1;
return strcmp(r1->pszName.c_str(), r2->pszName.c_str());
}
// *** LyXFileDlg class implementation
// static members
FD_FileDlg *LyXFileDlg::pFileDlgForm = NULL;
LyXFileDlg *LyXFileDlg::pCurrentDlg = NULL;
// Reread: updates dialog list to match class directory
void LyXFileDlg::Reread()
{
int i;
DIR *pDirectory;
struct dirent *pDirEntry;
LString szFile;
char szBuffer[256], szMode[15], szTime[40];
FileInfo fileInfo;
// Opens directory
pDirectory = opendir(pszDirectory.c_str());
if (!pDirectory) {
WriteFSAlert(_("Warning! Couldn't open directory."),
pszDirectory);
pszDirectory = GetCWD();
pDirectory = opendir(pszDirectory.c_str());
}
// Clear the present namelist
if (pCurrentNames) {
delete [] pCurrentNames;
pCurrentNames = 0;
}
// Updates display
fl_hide_object(pFileDlgForm->List);
fl_clear_browser(pFileDlgForm->List);
fl_set_input(pFileDlgForm->DirBox, pszDirectory.c_str());
// Splits complete directory name into directories and compute depth
iDepth = 0;
LString line, Temp;
szFile = pszDirectory;
if (szFile != "/") {
szFile.split(Temp, '/');
}
while (!szFile.empty() || !Temp.empty()) {
LString dline = "@b"+line + Temp + '/';
fl_add_browser_line(pFileDlgForm->List, dline.c_str());
szFile.split(Temp, '/');
line += ' ';
iDepth++;
}
// Allocate names array
iNumNames = 0;
rewinddir(pDirectory);
while ((readdir(pDirectory))) ++iNumNames;
pCurrentNames = new LyXDirEntry[iNumNames];
// Parses all entries of the given subdirectory
iNumNames = 0;
time_t curTime = time(NULL);
rewinddir(pDirectory);
while ((pDirEntry = readdir(pDirectory))) {
bool isLink = false, isDir = false;
// If the pattern doesn't start with a dot, skip hidden files
if (!pszMask.empty() && pszMask[0] != '.' &&
pDirEntry->d_name[0] == '.')
continue;
// Gets filename
LString fname = pDirEntry->d_name;
// Under all circumstances, "." and ".." are not wanted
if (fname == "." || fname == "..")
continue;
// gets file status
szFile = AddName(pszDirectory, fname);
fileInfo.newFile(szFile, true);
fileInfo.modeString(szMode);
unsigned int nlink = fileInfo.getNumberOfLinks();
LString user = lyxUserCache.Find(fileInfo.getUid());
LString group = lyxGroupCache.Find(fileInfo.getGid());
strcpy(szTime, ctime(&(fileInfo.getModificationTime())));
if (curTime > fileInfo.getModificationTime() + SIX_MONTH_SEC
|| curTime < fileInfo.getModificationTime()
+ ONE_HOUR_SEC) {
// The file is fairly old or in the future. POSIX says
// the cutoff is 6 months old. Allow a 1 hour slop
// factor for what is considered "the future", to
// allow for NFS server/client clock disagreement.
// Show the year instead of the time of day.
strcpy(szTime+10, szTime+19);
szTime[15] = 0;
} else
szTime[16] = 0;
sprintf(szBuffer, "%s %u %s %s %s ", szMode,
nlink,
user.c_str(),
group.c_str(),
szTime + 4);
strcat(szBuffer, pDirEntry->d_name);
strcat(szBuffer, fileInfo.typeIndicator());
if ((isLink = fileInfo.isLink())) {
char *pszLinkBuffer;
char szTempLink[512];
int nRead;
fileInfo.newFile(szFile);
nRead = readlink(szFile.c_str(),
szTempLink, sizeof(szTempLink));
pszLinkBuffer = new char[nRead + 10];
strcat (szBuffer, " -> ");
if (nRead > 0) strncpy(pszLinkBuffer,
szTempLink, nRead);
pszLinkBuffer[nRead] = 0;
strcat(pszLinkBuffer, fileInfo.typeIndicator());
strcat(szBuffer, pszLinkBuffer);
// frees link buffer
delete [] pszLinkBuffer;
}
// filters files according to pattern and type
if (fileInfo.isRegular()
|| fileInfo.isChar()
|| fileInfo.isBlock()
|| fileInfo.isFifo()) {
if (!fname.regexMatch(pszMask))
continue;
} else if (!(isDir = fileInfo.isDir()))
continue;
pCurrentNames[iNumNames].pszLsEntry = szBuffer;
// creates used name
LString temp = fname;
if (isDir) temp += '/';
pCurrentNames[iNumNames].pszName = temp;
// creates displayed name
temp = pDirEntry->d_name;
if (isLink)
temp += '@';
else
temp += fileInfo.typeIndicator();
pCurrentNames[iNumNames++].pszDisplayed = temp;
}
closedir(pDirectory);
// Sort the names
qsort(pCurrentNames, iNumNames, sizeof(LyXDirEntry),
(int (*)(const void *, const void *))LyXDirEntry::ldeCompProc);
// Add them to directory box
for (i = 0; i < iNumNames; ++i) {
LString temp = line + pCurrentNames[i].pszDisplayed;
fl_add_browser_line(pFileDlgForm->List, temp.c_str());
}
fl_set_browser_topline(pFileDlgForm->List,iDepth);
fl_show_object(pFileDlgForm->List);
iLastSel = -1;
}
// SetDirectory: sets dialog current directory
void LyXFileDlg::SetDirectory(LString const & Path)
{
if (!pszDirectory.empty()) {
LString TempPath = ExpandPath(Path); // Expand ~/
TempPath = MakeAbsPath(TempPath, pszDirectory);
pszDirectory = MakeAbsPath(TempPath);
} else pszDirectory = MakeAbsPath(Path);
}
// SetMask: sets dialog file mask
void LyXFileDlg::SetMask(LString const & NewMask)
{
pszMask = NewMask;
fl_set_input(pFileDlgForm->PatBox, pszMask.c_str());
}
// SetInfoLine: sets dialog information line
void LyXFileDlg::SetInfoLine(LString const & Line)
{
pszInfoLine = Line;
fl_set_object_label(pFileDlgForm->FileInfo, pszInfoLine.c_str());
}
LyXFileDlg::LyXFileDlg()
{
pCurrentNames = 0;
pszDirectory = MakeAbsPath(LString('.'));
pszMask = '*';
// Creates form if necessary.
if (!pFileDlgForm) {
pFileDlgForm = create_form_FileDlg();
// Set callbacks. This means that we don't need a patch file
fl_set_object_callback(pFileDlgForm->DirBox,
LyXFileDlg::FileDlgCB,0);
fl_set_object_callback(pFileDlgForm->PatBox,
LyXFileDlg::FileDlgCB,1);
fl_set_object_callback(pFileDlgForm->List,
LyXFileDlg::FileDlgCB,2);
fl_set_object_callback(pFileDlgForm->Filename,
LyXFileDlg::FileDlgCB,3);
fl_set_object_callback(pFileDlgForm->Rescan,
LyXFileDlg::FileDlgCB,10);
fl_set_object_callback(pFileDlgForm->Home,
LyXFileDlg::FileDlgCB,11);
fl_set_object_callback(pFileDlgForm->User1,
LyXFileDlg::FileDlgCB,12);
fl_set_object_callback(pFileDlgForm->User2,
LyXFileDlg::FileDlgCB,13);
// Make sure pressing the close box doesn't crash LyX. (RvdK)
fl_set_form_atclose(pFileDlgForm->FileDlg, CancelCB, NULL);
// Register doubleclick callback
fl_set_browser_dblclick_callback(pFileDlgForm->List,
DoubleClickCB,0);
}
fl_hide_object(pFileDlgForm->User1);
fl_hide_object(pFileDlgForm->User2);
}
LyXFileDlg::~LyXFileDlg()
{
// frees directory entries
if (pCurrentNames) {
delete [] pCurrentNames;
}
}
// SetButton: sets file selector user button action
void LyXFileDlg::SetButton(int iIndex, LString const & pszName,
LString const & pszPath)
{
FL_OBJECT *pObject;
LString *pTemp;
if (iIndex == 0) {
pObject = pFileDlgForm->User1;
pTemp = &pszUserPath1;
} else if (iIndex == 1) {
pObject = pFileDlgForm->User2;
pTemp = &pszUserPath2;
} else return;
if (!pszName.empty() && !pszPath.empty()) {
fl_set_object_label(pObject, pszName.c_str());
fl_show_object(pObject);
*pTemp = pszPath;
} else {
fl_hide_object(pObject);
*pTemp = LString();
}
}
// GetDirectory: gets last dialog directory
LString LyXFileDlg::GetDirectory()
{
if (!pszDirectory.empty())
return pszDirectory;
else
return LString('.');
}
// RunDialog: handle dialog during file selection
bool LyXFileDlg::RunDialog()
{
force_cancel = false;
force_ok = false;
// event loop
while(true) {
FL_OBJECT * pObject = fl_do_forms();
if (pObject == pFileDlgForm->Ready) {
if (HandleOK())
return true;
} else if (pObject == pFileDlgForm->Cancel
|| force_cancel)
return false;
else if (force_ok)
return true;
}
}
// XForms objects callback (static)
void LyXFileDlg::FileDlgCB(FL_OBJECT *, long lArgument)
{
if (!pCurrentDlg) return;
switch (lArgument) {
case 0: // get directory
pCurrentDlg->SetDirectory(fl_get_input(pFileDlgForm->DirBox));
pCurrentDlg->Reread();
break;
case 1: // get mask
pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
pCurrentDlg->Reread();
break;
case 2: // list
pCurrentDlg->HandleListHit();
break;
case 10: // rescan
pCurrentDlg->SetDirectory(fl_get_input(pFileDlgForm->DirBox));
pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
pCurrentDlg->Reread();
break;
case 11: // home
pCurrentDlg->SetDirectory(getEnvPath("HOME"));
pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
pCurrentDlg->Reread();
break;
case 12: // user button 1
if (!pCurrentDlg->pszUserPath1.empty()) {
pCurrentDlg->SetDirectory(pCurrentDlg->pszUserPath1);
pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
pCurrentDlg->Reread();
}
break;
case 13: // user button 2
if (!pCurrentDlg->pszUserPath2.empty()) {
pCurrentDlg->SetDirectory(pCurrentDlg->pszUserPath2);
pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
pCurrentDlg->Reread();
}
break;
}
}
// Handle callback from list
void LyXFileDlg::HandleListHit()
{
// set info line
int iSelect = fl_get_browser(pFileDlgForm->List);
if (iSelect > iDepth) {
SetInfoLine(pCurrentNames[iSelect - iDepth - 1].pszLsEntry);
} else {
SetInfoLine(LString());
}
}
// Callback for double click in list
void LyXFileDlg::DoubleClickCB(FL_OBJECT *, long)
{
if (pCurrentDlg->HandleDoubleClick())
// Simulate click on OK button
pCurrentDlg->Force(false);
}
// Handle double click from list
bool LyXFileDlg::HandleDoubleClick()
{
bool isDir;
LString pszTemp;
int iSelect;
// set info line
isDir = true;
iSelect = fl_get_browser(pFileDlgForm->List);
if (iSelect > iDepth) {
pszTemp = pCurrentNames[iSelect - iDepth - 1].pszName;
SetInfoLine(pCurrentNames[iSelect - iDepth - 1].pszLsEntry);
if (!pszTemp.suffixIs('/')) {
isDir = false;
fl_set_input(pFileDlgForm->Filename, pszTemp.c_str());
}
} else if (iSelect !=0) {
SetInfoLine(LString());
} else
return true;
// executes action
if (isDir) {
int i;
LString Temp;
// builds new directory name
if (iSelect > iDepth) {
// Directory deeper down
// First, get directory with trailing /
Temp = fl_get_input(pFileDlgForm->DirBox);
if (!Temp.suffixIs('/'))
Temp += '/';
Temp += pszTemp;
} else {
// Directory higher up
Temp.clean();
for (i = 0; i < iSelect; ++i) {
LString piece = fl_get_browser_line(pFileDlgForm->List, i+1);
// The '+2' is here to count the '@b' (JMarc)
Temp += piece.substring(i+2, piece.length()-1);
}
}
// assigns it
SetDirectory(Temp);
Reread();
return false;
}
return true;
}
// Handle OK button call
bool LyXFileDlg::HandleOK()
{
LString pszTemp;
// mask was changed
pszTemp = fl_get_input(pFileDlgForm->PatBox);
if (pszTemp!=pszMask) {
SetMask(pszTemp);
Reread();
return false;
}
// directory was changed
pszTemp = fl_get_input(pFileDlgForm->DirBox);
if (pszTemp!=pszDirectory) {
SetDirectory(pszTemp);
Reread();
return false;
}
// Handle return from list
int select = fl_get_browser(pFileDlgForm->List);
if (select > iDepth) {
LString temp = pCurrentNames[select - iDepth - 1].pszName;
if (!temp.suffixIs('/')) {
// If user didn't type anything, use browser
LString name = fl_get_input(pFileDlgForm->Filename);
if (name.empty()) {
fl_set_input(pFileDlgForm->Filename, temp.c_str());
}
return true;
}
}
// Emulate a doubleclick
return HandleDoubleClick();
}
// Handle Cancel CB from WM close
int LyXFileDlg::CancelCB(FL_FORM *, void *)
{
// Simulate a click on the cancel button
pCurrentDlg->Force(true);
return FL_IGNORE;
}
// Simulates a click on OK/Cancel
void LyXFileDlg::Force(bool cancel)
{
if (cancel) {
force_cancel = true;
fl_set_button(pFileDlgForm->Cancel, 1);
} else {
force_ok = true;
fl_set_button(pFileDlgForm->Ready, 1);
}
// Start timer to break fl_do_forms loop soon
fl_set_timer(pFileDlgForm->timer, 0.1);
}
// Select: launches dialog and returns selected file
LString LyXFileDlg::Select(LString const & title, LString const & path,
LString const & mask, LString const & suggested)
{
bool isOk;
// handles new mask and path
isOk = true;
if (!mask.empty()) {
SetMask(mask);
isOk = false;
}
if (!path.empty()) {
SetDirectory(path);
isOk = false;
}
if (!isOk) Reread();
else {
fl_select_browser_line(pFileDlgForm->List, 1);
fl_set_browser_topline(pFileDlgForm->List, 1);
}
// checks whether dialog can be started
if (pCurrentDlg) return LString();
pCurrentDlg = this;
// runs dialog
SetInfoLine (LString());
fl_set_input(pFileDlgForm->Filename, suggested.c_str());
fl_set_button(pFileDlgForm->Cancel, 0);
fl_set_button(pFileDlgForm->Ready, 0);
fl_set_focus_object(pFileDlgForm->FileDlg, pFileDlgForm->Filename);
fl_deactivate_all_forms();
fl_show_form(pFileDlgForm->FileDlg, FL_PLACE_MOUSE | FL_FREE_SIZE,
FL_FULLBORDER, title.c_str());
isOk = RunDialog();
fl_hide_form(pFileDlgForm->FileDlg);
fl_activate_all_forms();
pCurrentDlg = NULL;
// Returns filename or LString() if no valid selection was made
if (!isOk || !fl_get_input(pFileDlgForm->Filename)[0]) return LString();
pszFileName = fl_get_input(pFileDlgForm->Filename);
if (!AbsolutePath(pszFileName)) {
pszFileName = AddName(fl_get_input(pFileDlgForm->DirBox),
pszFileName);
}
return pszFileName;
}
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