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desk.cpp
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desk.cpp
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/*
License: GPL-2
An electronic filing cabinet: scan, print, stack, arrange
Copyright (C) 2009 Simon Glass, chch-kiwi@users.sourceforge.net
.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
X-Comment: On Debian GNU/Linux systems, the complete text of the GNU General
Public License can be found in the /usr/share/common-licenses/GPL file.
*/
/*
read the maxdesk.ini file
*/
#include <assert.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <QBitArray>
#include <QDateTime>
#include <QDebug>
#include <QLinkedList>
#include <QStandardPaths>
#include <QtGlobal>
#include "qdir.h"
#include "qfile.h"
#include "qfileinfo.h"
#include "qimage.h"
#include "qstring.h"
#include "desk.h"
#include "file.h"
#include "filemax.h"
#include "fileother.h"
#include "filepdf.h"
#include "measure.h"
#include "paperstack.h"
#include "utils.h"
extern "C" {
#define HAVE_STDINT_H 1
#include "md5.h"
};
#include "err.h"
#include "mem.h"
#define DESK_FNAME ".paperdesk"
enum
{
POS_leftmargin = 25, //!< left-most position for new files
POS_topmargin = 35, //!< top-most position for new files
POS_xmargin = 20, //!< horizontal space between files
POS_xstep = 140, //!< distance between files across
POS_ystep = 250, //!< distance between files down
POS_xoffset = 8, //!< x offset between bunched files
POS_yoffset = 8, //!< y offset between bunched files
POS_bunch_count = 16, //!< number of files per bunch
POS_bunch_xstep = (POS_xoffset * (POS_bunch_count + 4)) //!< x distance between bunch
};
Desk::Desk (void)
{
setup ();
}
Desk::Desk(const QString &dirPath, const QString &trashPath, bool do_readDesk)
{
//qDebug () << "new Desk" << dirPath << -90 % 360;
setup ();
_do_writeDesk = true;
_dir = dirPath;
_rootDir = trashPath;
if (!_dir.isEmpty ()) {
if (_dir.right (1) != "/")
_dir += "/";
}
if (!trashPath.isEmpty ())
{
QDir dir;
_trash_dir = trashPath + ".maxview-trash";
if (!dir.exists (_trash_dir))
dir.mkdir (_trash_dir);
utilSetGroup(_trash_dir);
}
// read in any maxdesk file
if (do_readDesk)
readDesk(true);
updateRowCount ();
}
Desk::~Desk ()
{
if (_dir != QString() && _do_writeDesk && !writeDesk ())
printf ("couldn't write maxdesk.ini\n");
while (!_files.isEmpty ())
delete _files.takeFirst ();
}
void Desk::setup ()
{
resetPos ();
_files.clear ();
_rightMargin = 950;
_debug_level = 0;
_debug = 0;
_do_writeDesk = false;
_allow_dispose = true;
_fbase_seq = 0;
_row_count = 0; // our record of the last valid row count
_dirty = false;
}
void Desk::clear (void)
{
_files.clear ();
}
File *Desk::getFile (int itemnum)
{
return _files [itemnum];
}
QString &Desk::dir (void)
{
return _dir;
}
QString Desk::trashdir (void)
{
return _trash_dir;
}
int Desk::rowCount (void)
{
return _row_count;
}
void Desk::dirty (void)
{
if (!_dirty)
{
// qDebug () << "dirty";
_dirty = true;
}
}
void Desk::updateRowCount (void)
{
if (_row_count != _files.size ())
{
_row_count = _files.size ();
dirty ();
}
}
void Desk::addFiles(const QString &dirPath, Measure *meas)
{
QDir dir (dirPath);
dir.setFilter(QDir::Files | QDir::NoSymLinks);
dir.setSorting(QDir::Name);
const QFileInfoList list = dir.entryInfoList();
if (!list.size ())
{
printf ("dir not found\n");
return;
}
for (int i = 0; i < list.size(); i++)
{
QFileInfo fi = list.at(i);
addFile(fi.fileName(), dirPath, meas);
}
updateRowCount ();
}
void Desk::addMatches(const QString &dirPath, const QStringList& matches,
Measure *meas)
{
// don't write back the maxdesk.ini file
_do_writeDesk = false;
foreach (const QString& relname, matches) {
QString pathname = dirPath + relname;
QFileInfo fi(pathname);
QDir dir(fi.dir());
QString fname = fi.fileName();
addFile(fi.fileName(), dir.path() + "/", meas);
}
updateRowCount();
}
void Desk::addFromDir(const QString& inPath, Measure *meas)
{
QString dirPath = inPath;
if (dirPath.startsWith("~"))
dirPath = QStandardPaths::writableLocation(QStandardPaths::HomeLocation) +
dirPath.mid(1);
QDir dir(dirPath);
_do_writeDesk = false;
dir.setFilter(QDir::Files | QDir::NoSymLinks);
dir.setSorting(QDir::Name);
const QFileInfoList list = dir.entryInfoList();
if (!list.size ()) {
qInfo() << "dir not found\n";
return;
}
for (int i = 0; i < list.size (); i++) {
QFileInfo fi = list.at(i);
const QString &fname = fi.fileName();
if (fname.endsWith(".pdf"))
addFile(fname, dirPath, meas);
}
updateRowCount ();
}
void Desk::resetPos (void)
{
_pos = QPoint (POS_leftmargin, POS_topmargin);
}
/*
void Desk::disposeFile (file_info *f)
{
if (f->max)
max_close (f->max);
if (f->pixmap)
delete f->pixmap;
delete f;
}
*/
/*
err_info *Desk::rescanFile (file_info *f)
{
if (f->max)
{
max_close (f->max);
f->max = NULL;
}
f->err = NULL;
return ensureMax (f);
}
*/
/*
file_info *Desk::alloc_file (void)
{
file_info *f;
f = new file_info;
f->pagenum = f->pagecount = f->size;
f->pixmap = 0;
f->max = 0;
f->err = NULL;
return f;
}
*/
File *Desk::createFile (const QString &dir, const QString fname)
{
File::e_type type;
type = File::typeFromName (fname);
#if 0
QFileInfo fi (dir, fname);
QString ext = fi.suffix ();
File *f;
File::e_type type;
//FIXME: there should be an associate config for doing this
if (ext == "max")
type = File::Type_max;
else if (ext == "pdf")
type = File::Type_pdf;
else
type = File::Type_other;
#endif
return File::createFile (dir, fname, this, type);
}
bool Desk::addToExistingFile (QString &fname)
{
QString base, ext;
int pagenum;
if (!File::decodePageNumber (fname, base, pagenum, ext))
return false;
foreach (File *f, _files)
{
if (!f->extMatchesType (ext))
continue;
if (f->claimFileAsNewPage (fname, base, pagenum))
return true;
}
return false;
}
void Desk::readDesk (bool read_sizes)
{
QFile oldfile;
QFile file (_dir + DESK_FNAME);
QString fname;
// if there is a maxdesk.ini file, rename it to the official name
fname = _dir + "/maxdesk.ini";
oldfile.setFileName (fname);
if (!oldfile.exists ())
{
fname = _dir + "/MaxDesk.ini";
oldfile.setFileName (fname);
}
if (oldfile.exists ())
{
// if we have the official file, just remove this one
if (file.exists ())
oldfile.remove ();
else
oldfile.rename (_dir + DESK_FNAME);
}
QTextStream stream (&file);
QString line;
bool files = false;
File *f;
int pos;
if (file.open (QIODevice::ReadOnly)) while (!stream.atEnd())
{
line = stream.readLine(); // line of text excluding '\n'
// printf( "%s\n", line.latin1() );
if (!line.isEmpty() && line [0] == '[')
{
files = line == "[Files]";
continue;
}
// add a new file
pos = line.indexOf ('=');
if (files && pos != -1)
{
QString fname = line.left (pos);
QFile test (_dir + fname);
if (!test.exists ())
continue;
if (!addToExistingFile (fname))
{
f = createFile (_dir, fname);
line = line.mid (pos + 1);
f->decodeFile (line, read_sizes);
_files << f;
}
}
}
// advance the position past these
advance ();
}
bool Desk::writeDesk (void)
{
QFile file;
QString fname;
// remove any old file
fname = _dir + "/maxdesk.ini";
file.setFileName (fname);
if (file.exists ())
file.remove ();
fname = _dir + "/MaxDesk.ini";
file.setFileName (fname);
if (file.exists ())
file.remove ();
file.setFileName (_dir + DESK_FNAME);
if (file.exists ())
file.remove ();
QTextStream stream( &file );
QString line;
if (!file.open (QIODevice::WriteOnly))
return false;
// write header
stream << "[DesktopFile]" << '\n' ;
stream << "File=" << '\n';
stream << '\n';
stream << "[Folder]" << '\n';
stream << "Version=0x00060000" << '\n';
stream << '\n';
stream << "[Files]" << '\n';
// output the file list
foreach (File *f, _files)
f->encodeFile (stream);
utilSetGroup(file.fileName());
_dirty = false; // we are clean again
return true;
}
void Desk::flush (void)
{
if (_dirty)
writeDesk ();
}
File *Desk::takeAt (int row)
{
dirty ();
return _files.takeAt (row);
}
File *Desk::findFile (QString fileName)
{
QString base, ext;
int pagenum;
File::decodePageNumber (fileName, base, pagenum, ext);
foreach (File *f, _files)
{
if (f->filename () == fileName)
return f;
if (!f->extMatchesType (ext))
continue;
if (f->claimFileAsNewPage (fileName, base, pagenum))
return f;
}
return 0;
}
File *Desk::findFile (QString fileName, int &pos)
{
pos = 0;
foreach (File *f, _files)
{
if (f->filename () == fileName)
return f;
pos++;
}
return 0;
}
void Desk::addFile(const QString& fname, const QString& dir, Measure *meas)
{
File *f;
// if we already know about this file, ignore it
f = findFile(fname);
if (f)
return;
// if not a .max file, ignore for the moment
// if (file->fileName ().right (4) != ".max")
// return;
// ignore maxdesk.ini and ppthumbs.ptn as these are special files
if (fname.indexOf("maxdesk.ini", 0, Qt::CaseInsensitive) != -1
|| fname.indexOf("paperportsave.reg", 0,
Qt::CaseInsensitive) != -1
|| fname.indexOf("ppthumbs.ptn", 0, Qt::CaseInsensitive) != -1)
return;
// if not then find a good position for it, and add it
// printf ("not found %s\n", file->fileName ().latin1 ());
f = createFile(dir, fname);
int width = 0;
if (meas) {
width = meas->getWidth(fname);
ensureSpace(width);
}
f->setPos (_pos);
_files << f;
dirty ();
// advance pos
if (meas)
advanceBy(width);
else
advanceOne();
}
bool Desk::clashes (QPoint &pos)
{
File *f;
QRect base (pos.x (), pos.y (), POS_xstep, POS_ystep);
foreach (f, _files)
if (f->intersects (base))
return true;
return false;
}
void Desk::advanceOne (void)
{
_pos.setX (_pos.x () + POS_xstep);
if (_pos.x () >= _rightMargin)
{
_pos.setX (POS_leftmargin);
_pos.setY (_pos.y () + POS_ystep);
}
}
void Desk::ensureSpace(int width)
{
if (_pos.x() + width >= _rightMargin) {
_pos.setX (POS_leftmargin);
_pos.setY (_pos.y () + POS_ystep);
}
}
void Desk::advanceBy(int width)
{
width = qMax(width, (int)POS_xstep) + POS_xmargin;
_pos.setX (_pos.x () + width);
if (_pos.x () >= _rightMargin) {
_pos.setX (POS_leftmargin);
_pos.setY (_pos.y () + POS_ystep);
}
}
void Desk::advance (void)
{
// start at top
_pos = QPoint (POS_leftmargin, POS_topmargin);
File *f;
// put the pos level with the bottom most item
// also find the rightmost item
foreach (f, _files)
{
if (f->pos ().y () >= _pos.y ())
{
if (f->pos ().y () > _pos.y ())
{
_pos.setY (f->pos ().y ());
_pos.setX (POS_leftmargin);
}
while (_pos.y () == f->pos ().y () && _pos.x () < f->pos ().x ())
advanceOne ();
}
}
// now keep advancing pos until it doesn't clash with an existing item
for (int i = 0; i < 1000 && clashes (_pos); i++)
advanceOne ();
/*
_pos.setX (_pos.x () + POS_xstep);
if (_pos.x () >= _rightMargin)
{
_pos.setX (0);
_pos.setY (_pos.y () + POS_ystep);
}
*/
}
void Desk::refresh(void)
{
removeRows(0, _row_count);
readDesk();
addFiles(_dir, nullptr);
}
//template int QPtrList<file_info>::compareItems ( QPtrCollection::Item item1, QPtrCollection::Item item2 )
//FIXME: should port this to QT4
class myPtrList : public QList<File *>
{
public:
myPtrList () {}
~myPtrList () {}
void setType (int ty) {_type = ty; }
static bool lessThan (const File *f1, const File *f2);
void sort ();
private:
static int _type;
};
int myPtrList::_type;
bool myPtrList::lessThan (const File *f1, const File *f2)
{
switch (_type)
{
case 0: // pos
return f1->order () < f2->order ();
case 1 : // name
return f1->filename () < f2->filename ();
case 2 : // date
return f1->time () < f2->time ();
}
return 0;
}
void myPtrList::sort ()
{
std::stable_sort (begin (), end (), lessThan);
}
void Desk::arrangeBy (int type)
{
std::list<File *> todo;
myPtrList sorted;
int order;
// fill in the date & field
File *f;
/* FIXME: this sorts by the position of the top left of the object, which is
not the same as the top left of the image */
foreach (f, _files)
{
QFileInfo fi (f->pathname ());
f->setTime (fi.lastModified ());
todo.push_back (f);
}
// now the position info
order = 0;
/*
* Create a list of files in the current order. This works by starting with
* the top left position, and adding any files which are at or 'before' that
* position. Then we move to the next position along and add files before
* that. This proceeds until we have added all files to our list.
*/
resetPos ();
std::list<File *>::iterator iter = todo.begin();
while (todo.size ())
{
// First add any files which are before the current x and y position
iter = todo.begin ();
while (iter != todo.end())
{
f = *iter++;
if (_pos.y () >= f->pos ().y () && _pos.x () > f->pos ().x ())
{
f->setOrder (order++);
iter = todo.erase (iter);
}
}
// Now add any files which are before the current y position
iter = todo.begin ();
while (iter != todo.end())
{
f = *iter++;
if (_pos.y () >= f->pos ().y ())
{
f->setOrder (order++);
iter = todo.erase (iter);
}
}
// Skip to the next position
advanceOne ();
}
// we should now have an order for each item
foreach (f, _files)
sorted.append (f);
/* sort by the given key */
sorted.setType (type);
sorted.sort ();
// add them all at the right place
resetPos ();
for (int i = 0; i < sorted.size (); i++)
{
f = sorted [i];
f->setPos (_pos);
advanceOne ();
}
dirty ();
}
QString Desk::findNextFilename (QString fname, QString dir, QString ext)
{
if (dir.isNull ())
dir = _dir;
if (ext.isNull ())
ext = ".max";
return util_findNextFilename (fname, dir, ext);
}
int Desk::fileCount (void)
{
return _files.size ();
}
#define PREVIEW_X 150
enum
{
TYPE_none,
TYPE_pbm,
TYPE_ppm,
TYPE_jpeg,
TYPE_png
};
err_info *Desk::checksum()
{
QString fname = "checksums.md5";
QFile file (fname);
QTextStream stream(&file);
File *f;
int pagenum;
unsigned md5 [4];
char line [200];
if (!file.open (QIODevice::WriteOnly))
return err_make(ERRFN, ERR_cannot_open_file1, qPrintable(fname));
QDir dir(_dir);
if (!dir.exists())
return err_make("checksum", ERR_directory_not_found1, qPrintable(_dir));
qInfo() << "Checksumming" << _files.count() << "files to" << fname;
int i = 1;
QDebug deb = qDebug();
int total_pages = 0;
foreach (f, _files) {
// if (f->type() != File::Type_max)
// continue;
printf("\r%d ", i++);
fflush(stdout);
err_info *err = f->load();
if (err) {
printf("File '%s': %s\n", qPrintable(f->filename()), err->errstr);
continue;
}
// decode each page one by one
for (pagenum = 0; pagenum < f->pagecount(); pagenum++) {
QImage image;
QSize size, trueSize;
int bpp;
err_info *err;
err = f->getImage(pagenum, false, image, size, trueSize, bpp, false);
if (err) {
printf("Error: %s\n", qPrintable(err->errstr));
break;
}
int image_size;
#if QT_VERSION >= 0x050a00
image_size = image.sizeInBytes();
#else
image_size = image.byteCount();
#endif
md5_buffer((const char *)image.bits(), image_size, md5);
sprintf(line, "%d %s %d %d %x %x %x %x\n", f->filename().length(),
qPrintable(f->filename()), pagenum, image_size,
md5 [0], md5 [1], md5 [2], md5 [3]);
stream << line;
total_pages++;
}
}
printf("\r");
fflush(stdout);
qInfo() << total_pages << "pages processed";
return NULL;
}
int Desk::newFile (File *fnew, File *fbase, int seq)
{
// if positioning relative to an earlier file, work out position
QPoint pos;
if (fbase && seq != -1)
{
QPoint offset = QPoint (POS_xoffset, POS_yoffset);
if (seq != _fbase_seq)
{
_fbase_pos = fbase->pos () + (offset * seq);
_fbase_seq = seq;
}
// use current position
pos = _fbase_pos;
// update position for next item
_fbase_seq++;
_fbase_pos += offset;
if ((seq % POS_bunch_count) == 0)
{
_fbase_pos += QPoint (-POS_xoffset * POS_bunch_count + POS_bunch_xstep,
-POS_yoffset * POS_bunch_count);
if (_fbase_pos.x () > _rightMargin)
{
_fbase_pos.setX (POS_leftmargin);
_fbase_pos.setY (_pos.y () + POS_ystep);
}
}
}
// otherwise just position at the end
else
{
pos = _pos;
// advance pos
advanceOne ();
// qDebug () << "item positioned at" << pos << ", pos advanced to" << _pos;
}
fnew->setPos (pos);
_files << fnew;
dirty ();
return _files.size () - 1; // item number we added it as
}
err_info *Desk::deleteFromTrash (QString &trashname)
{
if (_trash_dir.isEmpty ())
return err_make (ERRFN, ERR_no_trash_directory_is_defined);
return deleteFromDir (_trash_dir, trashname);
}
err_info *Desk::deleteFromDir (QString &src, QString &trashname)
{
QString path = src + trashname;
QFile file (path);
if (!file.remove ())
return err_make (ERRFN, ERR_could_not_remove_file1,
path.toLatin1 ().constData ());
return NULL;
}
err_info *Desk::moveFromTrash (QString &trashname, QString &filename,
File *&fnew)
{
if (_trash_dir.isEmpty ())
return err_make (ERRFN, ERR_no_trash_directory_is_defined);
return moveFromDir (_trash_dir, trashname, filename, fnew);
}
err_info *Desk::moveFromDir (QString &fromDir, QString &trashname, QString &filename,
File *&fnew)
{
QString ext;
// remove .max from filename
QString fname = removeExtension (filename, ext);
// find unique name
QString uniq = findNextFilename (fname, QString(), ext);
// move the file with the new name
filename = uniq + ext;
QDir dir;
QString from = fromDir + "/" + trashname;
QString to = _dir + filename;
if (!dir.rename (from, to))
return err_make (ERRFN, ERR_could_not_rename_file2, qPrintable (from),
qPrintable (to));
fnew = createFile (_dir, filename);
newFile (fnew);
return NULL;
}
err_info *Desk::addPaperstack (const QString &stack_name, File *&fnew, int &item)
{
QString fname, path, name;
// memtest ("1");
name = stack_name;
if (name.isEmpty ())
{
QDateTime dt = QDateTime::currentDateTime ();
// use today's date
name = dt.toString ("dd-MMM-yy");
}
// memtest ("2");
// qDebug () << "name" << name;
// work out the filename to use
fname = findNextFilename (name);
if (fname.isNull ())
return err_make (ERRFN, ERR_no_unique_filename1,
stack_name.toLatin1 ().constData ());
// memtest ("3");
// compress the pages from the stack into a file
fname += ".max";
// stack->compressMax (_dir + fname);
fnew = createFile (_dir, fname);
// qDebug () << "addPaperStack" << fnew;
CALL (fnew->create ());
// recalculate where to put the scan
advance ();
item = newFile (fnew);
return NULL;
}
#if 0
err_info *Desk::viewFile (file_info *f)
{
int err;
err = err_systemf ("%s %s &", max_get_type (f->max) == FILET_pdf
? "acroread" : "kview",
max_get_shell_filename (f->max));
return NULL;