summaryrefslogtreecommitdiffstats
path: root/tdeprint/kprinterimpl.cpp
blob: 171b1b5247577bc2a77bb3345dbd614178da1932 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
/*
 *  This file is part of the KDE libraries
 *  Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
 *
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License version 2 as published by the Free Software Foundation.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 **/

#include "kprinterimpl.h"
#include "kprinter.h"
#include "kmfactory.h"
#include "kmmanager.h"
#include "kmuimanager.h"
#include "kxmlcommand.h"
#include "kmspecialmanager.h"
#include "kmthreadjob.h"
#include "kmprinter.h"
#include "driver.h"

#include <tqfile.h>
#include <tqregexp.h>
#include <kinputdialog.h>
#include <tdelocale.h>
#include <dcopclient.h>
#include <tdeapplication.h>
#include <kstandarddirs.h>
#include <kdatastream.h>
#include <kdebug.h>
#include <kmimemagic.h>
#include <tdemessagebox.h>
#include <kprocess.h>
#include <tdeconfig.h>

#include <stdlib.h>

void dumpOptions(const TQMap<TQString,TQString>&);
void initEditPrinter(KMPrinter *p)
{
	if (!p->isEdited())
	{
		p->setEditedOptions(p->defaultOptions());
		p->setEdited(true);
	}
}

//****************************************************************************************

KPrinterImpl::KPrinterImpl(TQObject *parent, const char *name)
: TQObject(parent,name)
{
	loadAppOptions();
}

KPrinterImpl::~KPrinterImpl()
{
}

void KPrinterImpl::preparePrinting(KPrinter *printer)
{
	// page size -> try to find page size and margins from driver file
	// use "PageSize" as option name to find the wanted page size. It's
	// up to the driver loader to use that option name.
	KMManager	*mgr = KMFactory::self()->manager();
	DrMain	*driver = mgr->loadPrinterDriver(mgr->findPrinter(printer->printerName()), false);
	if (driver)
	{
		// Find the page size:
		// 1) print option
		// 2) default driver option
		TQString	psname = printer->option("PageSize");
		if (psname.isEmpty())
		{
			DrListOption	*opt = (DrListOption*)driver->findOption("PageSize");
			if (opt) psname = opt->get("default");
		}
		if (!psname.isEmpty())
		{
			printer->setOption("kde-pagesize",TQString::number((int)pageNameToPageSize(psname)));
			DrPageSize	*ps = driver->findPageSize(psname);
			if (ps)
			{
				printer->setRealPageSize( ps );
			}
		}

		// Find the numerical resolution
		// 1) print option (Resolution)
		// 2) default driver option (Resolution)
		// 3) default printer resolution
		// The resolution must have the format: XXXdpi or XXXxYYYdpi. In the second
		// case the YYY value is used as resolution.
		TQString res = printer->option( "Resolution" );
		if ( res.isEmpty() )
		{
			DrBase *opt = driver->findOption( "Resolution" );
			if ( opt )
				res = opt->get( "default" );
			if ( res.isEmpty() )
				res = driver->get( "resolution" );
		}
		if ( !res.isEmpty() )
		{
			TQRegExp re( "(\\d+)(?:x(\\d+))?dpi" );
			if ( re.search( res ) != -1 )
			{
				if ( !re.cap( 2 ).isEmpty() )
					printer->setOption( "kde-resolution", re.cap( 2 ) );
				else
					printer->setOption( "kde-resolution", re.cap( 1 ) );
			}
		}

		// Find the supported fonts
		TQString fonts = driver->get( "fonts" );
		if ( !fonts.isEmpty() )
			printer->setOption( "kde-fonts", fonts );

		delete driver;
	}

}

bool KPrinterImpl::setupCommand(TQString&, KPrinter*)
{
	return false;
}

bool KPrinterImpl::printFiles(KPrinter *p, const TQStringList& f, bool flag)
{
	TQString	cmd;
	if (p->option("kde-isspecial") == "1")
	{
		if (p->option("kde-special-command").isEmpty() && p->outputToFile())
		{
			KURL url( p->outputFileName() );
			if ( !url.isLocalFile() )
			{
				cmd = ( flag ? "mv" : "cp" ) + ( " %in $out{" + p->outputFileName() + "}" );
			}
			else
			{
				if (f.count() > 1)
				{
					p->setErrorMessage(i18n("Cannot copy multiple files into one file."));
					return false;
				}
				else
				{
					TDEProcess proc;
					proc << (flag?"mv":"cp") << f[0] << p->outputFileName();
					if (!proc.start(TDEProcess::Block) || !proc.normalExit() || proc.exitStatus() != 0)
					{
						p->setErrorMessage(i18n("Cannot save print file to %1. Check that you have write access to it.").arg(p->outputFileName()));
						return false;
					}
				}
				return true;
			}
		}
		else if (!setupSpecialCommand(cmd,p,f))
			return false;
	}
	else if (!setupCommand(cmd,p))
		return false;
	return startPrinting(cmd,p,f,flag);
}

void KPrinterImpl::broadcastOption(const TQString& key, const TQString& value)
{
	// force printer listing if not done yet (or reload needed)
	TQPtrList<KMPrinter>	*printers = KMFactory::self()->manager()->printerListComplete(false);
	if (printers)
	{
		TQPtrListIterator<KMPrinter>	it(*printers);
		for (;it.current();++it)
		{
			initEditPrinter(it.current());
			it.current()->setEditedOption(key,value);
		}
	}
}

int KPrinterImpl::dcopPrint(const TQString& cmd, const TQStringList& files, bool removeflag)
{
	kdDebug(500) << "tdeprint: print command: " << cmd << endl;

	int result = 0;
	DCOPClient	*dclient = kapp->dcopClient();
	if (!dclient || (!dclient->isAttached() && !dclient->attach()))
	{
		return result;
	}

	TQByteArray data, replyData;
	TQCString replyType;
	TQDataStream arg( data, IO_WriteOnly );
	arg << cmd;
	arg << files;
	arg << removeflag;
	if (dclient->call( "kded", "tdeprintd", "print(TQString,TQStringList,bool)", data, replyType, replyData ))
	{
		if (replyType == "int")
		{
			TQDataStream _reply_stream( replyData, IO_ReadOnly );
			_reply_stream >> result;
		}
	}
	return result;
}

void KPrinterImpl::statusMessage(const TQString& msg, KPrinter *printer)
{
	kdDebug(500) << "tdeprint: status message: " << msg << endl;
	TDEConfig	*conf = KMFactory::self()->printConfig();
	conf->setGroup("General");
	if (!conf->readBoolEntry("ShowStatusMsg", true))
		return;

	TQString	message(msg);
	if (printer && !msg.isEmpty())
		message.prepend(i18n("Printing document: %1").arg(printer->docName())+"\n");

	DCOPClient	*dclient = kapp->dcopClient();
	if (!dclient || (!dclient->isAttached() && !dclient->attach()))
	{
		return;
	}

	TQByteArray data;
	TQDataStream arg( data, IO_WriteOnly );
	arg << message;
	arg << (int)getpid();
	arg << kapp->caption();
	dclient->send( "kded", "tdeprintd", "statusMessage(TQString,int,TQString)", data );
}

bool KPrinterImpl::startPrinting(const TQString& cmd, KPrinter *printer, const TQStringList& files, bool flag)
{
	statusMessage(i18n("Sending print data to printer: %1").arg(printer->printerName()), printer);

	TQString	command(cmd), filestr;
	TQStringList	printfiles;
	if (command.find("%in") == -1) command.append(" %in");

	for (TQStringList::ConstIterator it=files.begin(); it!=files.end(); ++it)
		if (TQFile::exists(*it))
		{
			// quote filenames
			filestr.append(quote(*it)).append(" ");
			printfiles.append(*it);
		}
		else
			kdDebug(500) << "File not found: " << (*it) << endl;

	if (printfiles.count() > 0)
	{
		command.replace("%in",filestr);
		int pid = dcopPrint(command,files,flag);
		if (pid > 0)
		{
			if (printer)
				KMThreadJob::createJob(pid,printer->printerName(),printer->docName(),getenv("USER"),0);
			return true;
		}
		else
		{
			TQString	msg = i18n("Unable to start child print process. ");
			if (pid == 0)
				msg += i18n("The TDE print server (<b>tdeprintd</b>) could not be contacted. Check that this server is running.");
			else
				msg += i18n("1 is the command that <files> is given to", "Check the command syntax:\n%1 <files>").arg(cmd);
			printer->setErrorMessage(msg);
			return false;
		}
	}
	//else
	//{
		printer->setErrorMessage(i18n("No valid file was found for printing. Operation aborted."));
		return false;
	//}
}

TQString KPrinterImpl::tempFile()
{
	TQString	f;
	// be sure the file doesn't exist
	do f = locateLocal("tmp","tdeprint_") + TDEApplication::randomString(8); while (TQFile::exists(f));
	return f;
}

int KPrinterImpl::filterFiles(KPrinter *printer, TQStringList& files, bool flag)
{
	TQStringList	flist = TQStringList::split(',',printer->option("_kde-filters"),false);
	TQMap<TQString,TQString>	opts = printer->options();

	// generic page selection mechanism (using psselect filter)
	// do it only if:
	//	- using system-side page selection
	//	- special printer or regular printer without page selection support in current plugin
	//	- one of the page selection option has been selected to non default value
	// Action -> add the psselect filter to the filter chain.
	if (printer->pageSelection() == KPrinter::SystemSide &&
	    (printer->option("kde-isspecial") == "1" || !(KMFactory::self()->uiManager()->pluginPageCap() & KMUiManager::PSSelect)) &&
	    (printer->pageOrder() == KPrinter::LastPageFirst ||
	     !printer->option("kde-range").isEmpty() ||
	     printer->pageSet() != KPrinter::AllPages))
	{
		if (flist.findIndex("psselect") == -1)
		{
			int	index = KXmlCommandManager::self()->insertCommand(flist, "psselect", false);
			if (index == -1 || !KXmlCommandManager::self()->checkCommand("psselect"))
			{
				printer->setErrorMessage(i18n("<p>Unable to perform the requested page selection. The filter <b>psselect</b> "
							      "cannot be inserted in the current filter chain. See <b>Filter</b> tab in the "
							      "printer properties dialog for further information.</p>"));
				return -1;
			}
		}
		if (printer->pageOrder() == KPrinter::LastPageFirst)
			opts["_kde-psselect-order"] = "r";
		if (!printer->option("kde-range").isEmpty())
			opts["_kde-psselect-range"] = printer->option("kde-range");
		if (printer->pageSet() != KPrinter::AllPages)
			opts["_kde-psselect-set"] = (printer->pageSet() == KPrinter::OddPages ? "-o" : "-e");
	}

	return doFilterFiles(printer, files, flist, opts, flag);
}

int KPrinterImpl::doFilterFiles(KPrinter *printer, TQStringList& files, const TQStringList& flist, const TQMap<TQString,TQString>& opts, bool flag)
{
	// nothing to do
	if (flist.count() == 0)
		return 0;

	TQString	filtercmd;
	TQStringList	inputMimeTypes;
	for (uint i=0;i<flist.count();i++)
	{
		KXmlCommand	*filter = KXmlCommandManager::self()->loadCommand(flist[i]);
		if (!filter)
		{
			printer->setErrorMessage(i18n("<p>Could not load filter description for <b>%1</b>.</p>").arg(flist[i]));
			return -1; // Error
		}
		if (i == 0)
			inputMimeTypes = filter->inputMimeTypes();

		TQString		subcmd = filter->buildCommand(opts,(i>0),(i<(flist.count()-1)));
		delete filter;
		if (!subcmd.isEmpty())
		{
			filtercmd.append(subcmd);
			if (i < flist.count()-1)
				filtercmd.append("| ");
		}
		else
		{
			printer->setErrorMessage(i18n("<p>Error while reading filter description for <b>%1</b>. Empty command line received.</p>").arg(flist[i]));
			return -1;
		}
	}
	kdDebug(500) << "tdeprint: filter command: " << filtercmd << endl;

	TQString	rin("%in"), rout("%out"), rpsl("%psl"), rpsu("%psu");
	TQString	ps = pageSizeToPageName( printer->option( "kde-printsize" ).isEmpty() ? printer->pageSize() : ( KPrinter::PageSize )printer->option( "kde-printsize" ).toInt() );
	for (TQStringList::Iterator it=files.begin(); it!=files.end(); ++it)
	{
		TQString	mime = KMimeMagic::self()->findFileType(*it)->mimeType();
		if (inputMimeTypes.find(mime) == inputMimeTypes.end())
		{
			if (KMessageBox::warningContinueCancel(0,
				"<p>" + i18n("The MIME type %1 is not supported as input of the filter chain "
				     "(this may happen with non-CUPS spoolers when performing page selection "
				     "on a non-PostScript file). Do you want TDE to convert the file to a supported "
				     "format?</p>").arg(mime),
				TQString::null, i18n("Convert")) == KMessageBox::Continue)
			{
				TQStringList	ff;
				int	done(0);

				ff << *it;
				while (done == 0)
				{
					bool	ok(false);
					TQString	targetMime = KInputDialog::getItem(
						i18n("Select MIME Type"),
						i18n("Select the target format for the conversion:"),
						inputMimeTypes, 0, false, &ok);
					if (!ok)
					{
						printer->setErrorMessage(i18n("Operation aborted."));
						return -1;
					}
					TQStringList	filters = KXmlCommandManager::self()->autoConvert(mime, targetMime);
					if (filters.count() == 0)
					{
						KMessageBox::error(0, i18n("No appropriate filter found. Select another target format."));
					}
					else
					{
						int	result = doFilterFiles(printer, ff, filters, TQMap<TQString,TQString>(), flag);
						if (result == 1)
						{
							*it = ff[0];
							done = 1;
						}
						else
						{
							KMessageBox::error(0,
								i18n("<qt>Operation failed with message:<br>%1<br>Select another target format.</qt>").arg(printer->errorMessage()));
						}
					}
				}
			}
			else
			{
				printer->setErrorMessage(i18n("Operation aborted."));
				return -1;
			}
		}

		TQString	tmpfile = tempFile();
		TQString	cmd(filtercmd);
		cmd.replace(rout,quote(tmpfile));
		cmd.replace(rpsl,ps.lower());
		cmd.replace(rpsu,ps);
		cmd.replace(rin,quote(*it)); // Replace as last, filename could contain "%psl"
		statusMessage(i18n("Filtering print data"), printer);
		int status = system(TQFile::encodeName(cmd));
		if (status < 0 || WEXITSTATUS(status) == 127)
		{
			printer->setErrorMessage(i18n("Error while filtering. Command was: <b>%1</b>.").arg(filtercmd));
			return -1;
		}
		if (flag) TQFile::remove(*it);
		*it = tmpfile;
	}
	return 1;
}

int KPrinterImpl::autoConvertFiles(KPrinter *printer, TQStringList& files, bool flag)
{
	TQString primaryMimeType = "application/postscript";
	TQStringList mimeTypes( primaryMimeType );
	if ( printer->option( "kde-isspecial" ) == "1" )
	{
		if ( !printer->option( "kde-special-command" ).isEmpty() )
		{
			KXmlCommand *cmd = KXmlCommandManager::self()->loadCommand( printer->option( "kde-special-command" ), true );
			if ( cmd )
			{
				mimeTypes = cmd->inputMimeTypes();
				// FIXME: the XML command description should now contain a primiary
				// mime type as well. This is a temporary-only solution.
				primaryMimeType = mimeTypes[ 0 ];
			}
		}
	}
	else
	{
		KMFactory::PluginInfo	info = KMFactory::self()->pluginInfo(KMFactory::self()->printSystem());
		mimeTypes = info.mimeTypes;
		primaryMimeType = info.primaryMimeType;
	}
	KMFactory::PluginInfo	info = KMFactory::self()->pluginInfo(KMFactory::self()->printSystem());
	int		status(0), result;
	for (TQStringList::Iterator it=files.begin(); it!=files.end(); )
	{
		TQString	mime = KMimeMagic::self()->findFileType(*it)->mimeType();
		if ( mime == "application/x-zerosize" )
		{
			// special case of empty file
			KMessageBox::information( NULL,
					i18n( "<qt>The print file is empty and will be ignored:<p>%1</p></qt>" ).arg( *it ),
					TQString::null, "emptyFileNotPrinted" );
			if ( flag )
				TQFile::remove( *it );
			it = files.remove( it );
			continue;
		}
		else if (mimeTypes.findIndex(mime) == -1)
		{
			if ((result=KMessageBox::warningYesNoCancel(NULL,
					       i18n("<qt>The file format <em> %1 </em> is not directly supported by the current print system. You "
						    "now have 3 options: "
						    "<ul> "
						    "<li> TDE can attempt to convert this file automatically to a supported format. "
						    "(Select <em>Convert</em>) </li>"
						    "<li> You can try to send the file to the printer without any conversion. "
						    "(Select <em>Keep</em>) </li>"
						    "<li> You can cancel the printjob. "
						    "(Select <em>Cancel</em>) </li>"
						    "</ul> "
						    "Do you want TDE to attempt and convert this file to %2?</qt>").arg(mime).arg(primaryMimeType),
					       TQString::null,
					       i18n("Convert"),
					       i18n("Keep"),
					       TQString::fromLatin1("tdeprintAutoConvert"))) == KMessageBox::Yes)
			{
				// find the filter chain
				TQStringList	flist = KXmlCommandManager::self()->autoConvert(mime, primaryMimeType);
				if (flist.count() == 0)
				{
					KMessageBox::error(NULL,
							i18n("<qt>No appropriate filter was found to convert the file format %1 into %2.<br>"
							     "<ul>"
							     "<li>Go to <i>System Options -> Commands</i> to look through the list of "
							     "possible filters. Each filter executes an external program.</li>"
							     "<li> See if the required external program is available.on your "
							     "system.</li>"
							     "</ul>"
							     "</qt>").arg(mime).arg(primaryMimeType),
							      i18n("Print"));
					if (flag)
						TQFile::remove(*it);
					it = files.remove(it);
					continue;
				}
				TQStringList	l(*it);
				switch (doFilterFiles(printer, l, flist, TQMap<TQString,TQString>(), flag))
				{
					case -1:
						return -1;
					case 0:
						break;
					case 1:
						status = 1;
						*it = l[0];
						break;
				}
			}
			else if (result == KMessageBox::Cancel)
			{
				files.clear();
				return 0;
			}
		}
		++it;
	}
	return status;
}

bool KPrinterImpl::setupSpecialCommand(TQString& cmd, KPrinter *p, const TQStringList&)
{
	TQString	s(p->option("kde-special-command"));
	if (s.isEmpty())
	{
		p->setErrorMessage("Empty command.");
		return false;
	}

	s = KMFactory::self()->specialManager()->setupCommand(s, p->options());

	TQString	ps = pageSizeToPageName( p->option( "kde-printsize" ).isEmpty() ? p->pageSize() : ( KPrinter::PageSize )p->option( "kde-printsize" ).toInt() );
	s.replace("%psl", ps.lower());
	s.replace("%psu", ps);
	s.replace("%out", "$out{" + p->outputFileName() + "}"); // Replace as last
	cmd = s;
	return true;
}

TQString KPrinterImpl::quote(const TQString& s)
{ return TDEProcess::quote(s); }

void KPrinterImpl::saveOptions(const TQMap<TQString,TQString>& opts)
{
	m_options = opts;
	saveAppOptions();
}

void KPrinterImpl::loadAppOptions()
{
	TDEConfig	*conf = TDEGlobal::config();
	conf->setGroup("KPrinter Settings");
	TQStringList	opts = conf->readListEntry("ApplicationOptions");
	for (uint i=0; i<opts.count(); i+=2)
		if (opts[i].startsWith("app-"))
			m_options[opts[i]] = opts[i+1];
}

void KPrinterImpl::saveAppOptions()
{
	TQStringList	optlist;
	for (TQMap<TQString,TQString>::ConstIterator it=m_options.begin(); it!=m_options.end(); ++it)
		if (it.key().startsWith("app-"))
			optlist << it.key() << it.data();

	TDEConfig	*conf = TDEGlobal::config();
	conf->setGroup("KPrinter Settings");
	conf->writeEntry("ApplicationOptions", optlist);
}

#include "kprinterimpl.moc"