summaryrefslogtreecommitdiffstats
path: root/tdeprint/kmmanager.cpp
blob: d43239fd7f6afd1d48860398c54face7992ec670 (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
/*
 *  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 "kmmanager.h"
#include "kmprinter.h"
#include "kmdbentry.h"
#include "kmfactory.h"
#include "kmvirtualmanager.h"
#include "kmspecialmanager.h"
#include "printerfilter.h"
#include "kprinter.h"

#include <zlib.h>
#include <tqfile.h>
#include <kstandarddirs.h>
#include <tdeconfig.h>
#include <tdelocale.h>
#include <kdebug.h>
#include <tdeapplication.h>
#include <klibloader.h>
#include <unistd.h>

KMManager::KMManager(TQObject *parent, const char *name)
: TQObject(parent,name)
{
	m_printers.setAutoDelete(true);
	m_fprinters.setAutoDelete(false);
	m_hasmanagement = false;
	m_printeroperationmask = 0;
	m_serveroperationmask = 0;
	m_printerfilter = new PrinterFilter(this);

	m_specialmgr = new KMSpecialManager(this);
	TQ_CHECK_PTR(m_specialmgr);
	m_virtualmgr = new KMVirtualManager(this);
	TQ_CHECK_PTR(m_virtualmgr);

	// set default to true to not disturb code that
	// hasn't been adapted yet. Otherwise, should be false
	m_updatepossible = true;
}

KMManager::~KMManager()
{
}

KMManager* KMManager::self()
{
	return KMFactory::self()->manager();
}

bool KMManager::notImplemented()
{
	setErrorMsg(i18n("This operation is not implemented."));
	return false;
}

bool KMManager::modifyPrinter(KMPrinter *oldp, KMPrinter *newp)
{
	if (oldp->printerName() != newp->printerName())
	{
		// remove the old one, then create the new one. But before removing
		// the old one, retrieve its driver so that the new printer has the
		// same.
		DrMain	*driver = loadPrinterDriver(oldp, true);
		newp->setDriver(driver);
		if (!removePrinter(oldp))
			return false;
	}
	return createPrinter(newp);
}

bool KMManager::createPrinter(KMPrinter*)
{
	return notImplemented();
}

bool KMManager::removePrinter(KMPrinter*)
{
	return notImplemented();
}

bool KMManager::removePrinter(const TQString& name)
{
	KMPrinter	*p = findPrinter(name);
	return (p ? removePrinter(p) : false);
}

bool KMManager::enablePrinter(KMPrinter*, bool)
{
	return notImplemented();
}

bool KMManager::enablePrinter(const TQString& name, bool state)
{
	KMPrinter	*p = findPrinter(name);
	return (p ? enablePrinter(p, state) : false);
}

bool KMManager::startPrinter(KMPrinter*, bool)
{
	return notImplemented();
}

bool KMManager::startPrinter(const TQString& name, bool state)
{
	KMPrinter	*p = findPrinter(name);
	return (p ? startPrinter(p, state) : false);
}

bool KMManager::upPrinter(KMPrinter *p, bool state)
{
	bool	result = enablePrinter(p, state);
	if (result)
		result = startPrinter(p, state);
	return result;
}

bool KMManager::completePrinter(KMPrinter*)
{
	notImplemented();
	return true;	// not false to allow instance config/creation
}

bool KMManager::completePrinterShort(KMPrinter *p)
{
	return completePrinter(p);
}

bool KMManager::completePrinter(const TQString& name)
{
	KMPrinter	*p = findPrinter(name);
	return (p ? completePrinter(p) : false);
}

bool KMManager::setDefaultPrinter(KMPrinter*)
{
	return notImplemented();
}

bool KMManager::setDefaultPrinter(const TQString& name)
{
	KMPrinter	*p = findPrinter(name);
	return (p ? setDefaultPrinter(p) : false);
}

bool KMManager::testPrinter(KMPrinter *prt)
{
	// standard Test mechanism
	TQString	testpage = testPage();
	if (testpage.isEmpty())
	{
		setErrorMsg(i18n("Unable to locate test page."));
		return false;
	}
	KPrinter	pr;
	bool		prExist = (findPrinter(prt->printerName()) != 0), result(false);
	pr.setPrinterName(prt->printerName());
	pr.setSearchName(prt->name());
	pr.setDocName("TDE Print Test");
	// the printing mechanism may involve some needed operations on the
	// printer, so temporary printers (created when testing) should be
	// temporarily added to the printer list, then taken out.
	if (!prExist)
		m_printers.append(prt);
	result = pr.printFiles(testpage, false, false);
	if (!prExist)
		m_printers.take(m_printers.count()-1);
	return result;
	// return notImplemented();
}

KMPrinter* KMManager::findPrinter(const TQString& name)
{
	TQPtrListIterator<KMPrinter>	it(m_printers);
	for (;it.current();++it)
		if (it.current()->name() == name) return it.current();
	//setErrorMsg(i18n("%1: printer not found.").arg(name));
	return 0;
}

KMPrinter* KMManager::softDefault() const
{
	TQPtrListIterator<KMPrinter>	it(m_printers);
	for (;it.current();++it)
		if (it.current()->isSoftDefault()) return it.current();
	return 0;
}

KMPrinter* KMManager::hardDefault() const
{
	TQPtrListIterator<KMPrinter>	it(m_printers);
	for (; it.current();++it)
		if (it.current()->isHardDefault())
			return it.current();
	return 0;
}

KMPrinter* KMManager::defaultPrinter()
{
	printerList(false);
	KMPrinter	*prt = softDefault();
	if (!prt)
		prt = hardDefault();
	return prt;
}

TQPtrList<KMPrinter>* KMManager::printerList(bool reload)
{
	setErrorMsg(TQString::null);
	//kdDebug(500) << "Getting printer list: " << reload << endl;

	if (reload || m_printers.count() == 0)
	{
		// reset filter
		m_printerfilter->update();
		m_fprinters.clear();

		// first discard all printers
		discardAllPrinters(true);

		// make sure virtual printers will be reloaded if we don't have
		// any printer (for example if settings are wrong)
		if (m_printers.count() == 0)
			m_virtualmgr->reset();

		// List real printers (in subclasses)
		if ( m_updatepossible )
			listPrinters();
		// Listing of special printers has to be done before the instances
		// because now special printers can also have instances
		m_specialmgr->refresh();
		// list virtual printers (and undiscard virtual printers if necessary)
		if ( m_updatepossible )
			m_virtualmgr->refresh();

		// remove discarded printers
		for (uint i=0; i<m_printers.count(); i++)
		{
			KMPrinter	*prt = m_printers.at(i);
			if (prt->isDiscarded())
			{
				m_printers.remove(i);
				i--;
			}
			else if (prt->isSpecial() || m_printerfilter->filter(prt))
				m_fprinters.append(prt);
		}

		// try to find the default printer from these situations:
		//   - it already exists from .lpoptions file
		//   - use the PRINTER variable
		if (!softDefault())
		{
			KMPrinter	*defprinter = findPrinter(TQString::fromLatin1(getenv("PRINTER")));
			if (defprinter)
				setSoftDefault(defprinter);
		}
	}

	return &m_fprinters;
}

TQPtrList<KMPrinter>* KMManager::printerListComplete(bool reload)
{
	printerList(reload);
	return &m_printers;
}

void KMManager::listPrinters()
{
	// do nothing
}

void KMManager::addPrinter(KMPrinter *p)
{
	if (p)
	{
		if (p->name().isEmpty())
			// discard printer with empty name
			delete p;
		else
		{
			KMPrinter	*other = findPrinter(p->name());
			if (other)
			{
				other->copy(*p);
				delete p;
			}
			else
			{
				p->setDiscarded(false);
				m_printers.inSort(p);
			}
		}
	}
}

TQString KMManager::driverDbCreationProgram()
{
	return TQString::null;
}

TQString KMManager::driverDirectory()
{
	return TQString::null;
}

DrMain* KMManager::loadPrinterDriver(KMPrinter*, bool)
{
	return NULL;
}

DrMain* KMManager::loadDbDriver(KMDBEntry *entry)
{
	return loadFileDriver(entry->file);
}

DrMain* KMManager::loadFileDriver(const TQString&)
{
	return NULL;
}

DrMain* KMManager::loadDriver(KMPrinter *p, bool config)
{
	if (p->isSpecial())
		return m_specialmgr->loadDriver(p);
	else
		return loadPrinterDriver(p, config);
}

bool KMManager::savePrinterDriver(KMPrinter*,DrMain*)
{
	return notImplemented();
}

bool KMManager::uncompressFile(const TQString& filename, TQString& destname)
{
	TQFile	f(filename);
	bool	result(true);
	destname = TQString::null;
	if (f.exists() && f.open(IO_ReadOnly))
	{
		char	buf[1024] = {0};
		f.readBlock(buf,2);
		if ((uchar)(buf[0]) == 037 && (uchar)(buf[1]) == 0213)
		{
			f.close();
			destname = locateLocal("tmp","tdeprint_") + TDEApplication::randomString(8);
			f.setName(destname);

			if (f.open(IO_WriteOnly))
			{
				gzFile	in = gzopen(filename.latin1(),"r");
				int	n(0);
				while ((n=gzread(in,buf,1024)) > 0)
					if (f.writeBlock(buf,n) != n)
						break;
				if (n != 0) result = false;
				gzclose(in);
				f.close();
			}
		}
	}
	return result;
}

void KMManager::setHardDefault(KMPrinter *p)
{
	TQPtrListIterator<KMPrinter>	it(m_printers);
	for (;it.current();++it)
		it.current()->setHardDefault(false);
	if (p) p->setHardDefault(true);
}

void KMManager::setSoftDefault(KMPrinter *p)
{
	TQPtrListIterator<KMPrinter>	it(m_printers);
	for (;it.current();++it)
        {
		it.current()->setSoftDefault(false);
		it.current()->setOwnSoftDefault(false);
        }
	if (p)
        {
                p->setSoftDefault(true);
                KMPrinter       *pp = findPrinter(p->printerName());
                if (pp)
                        pp->setOwnSoftDefault(true);
        }
}

bool KMManager::restartServer()
{
	return notImplemented();
}

bool KMManager::configureServer(TQWidget*)
{
	return notImplemented();
}

TQString KMManager::testPage()
{
	TDEConfig	*conf = KMFactory::self()->printConfig();
	conf->setGroup("General");
	QString	tpage = conf->readPathEntry("TestPage");
	if (tpage.isEmpty())
		tpage = locate("data","tdeprint/testprint.ps");
	return tpage;
}

void KMManager::discardAllPrinters(bool on)
{
	TQPtrListIterator<KMPrinter>	it(m_printers);
	for (;it.current();++it)
		if (!on || !it.current()->isSpecial())
			it.current()->setDiscarded(on);
}

bool KMManager::validateDbDriver(KMDBEntry*)
{
	return true;
}

bool KMManager::createSpecialPrinter(KMPrinter *p)
{
	if (p && p->isSpecial())
	{
		KMPrinter	*old = findPrinter(p->name());
		if (old && !old->isSpecial())
		{
			setErrorMsg(i18n("Can't overwrite regular printer with special printer settings."));
			return false;
		}
		// if the special printer already exists, it will be overwritten
		addPrinter(p);
		return m_specialmgr->savePrinters();
	}
	return false;
}

bool KMManager::removeSpecialPrinter(KMPrinter *p)
{
	if (p && p->isSpecial() && m_printers.findRef(p) != -1)
	{
		m_printers.removeRef(p);
		return m_specialmgr->savePrinters();
	}
	return false;
}

/* format of output:
	Class0, URI0, Desc0, Printer0, Class1, URI1, Desc1, Printer1, ...

  Defaults to 3 parallel printers
*/
TQStringList KMManager::detectLocalPrinters()
{
	TQStringList	list;
	for (int i=0; i<3; i++)
		list << TQString() << TQString::fromLatin1("parallel:/dev/lp%1").arg(i) << i18n("Parallel Port #%1").arg(i+1) << TQString();
	return list;
}

int KMManager::addPrinterWizard(TQWidget *parent)
{
	KLibrary	*lib = KLibLoader::self()->library("libtdeprint_management_module");
	if (!lib)
		setErrorMsg(i18n("Unable to load TDE print management library: %1").arg(KLibLoader::self()->lastErrorMessage()));
	else
	{
		int (*func)(TQWidget*) = (int(*)(TQWidget*))lib->symbol("add_printer_wizard");
		if (!func)
			setErrorMsg(i18n("Unable to find wizard object in management library."));
		else
			return func(parent);
	}
	return (-1);
}

bool KMManager::invokeOptionsDialog(TQWidget *parent)
{
	KLibrary	*lib = KLibLoader::self()->library("libtdeprint_management_module");
	if (!lib)
		setErrorMsg(i18n("Unable to load TDE print management library: %1").arg(KLibLoader::self()->lastErrorMessage()));
	else
	{
		bool (*func)(TQWidget*) = (bool(*)(TQWidget*))lib->symbol("config_dialog");
		if (!func)
			setErrorMsg(i18n("Unable to find options dialog in management library."));
		else
			return func(parent);
	}
	return false;
}

void KMManager::createPluginActions(TDEActionCollection*)
{
}

void KMManager::validatePluginActions(TDEActionCollection*, KMPrinter*)
{
}

void KMManager::enableFilter(bool on)
{
	m_printerfilter->setEnabled(on);
}

bool KMManager::isFilterEnabled() const
{
	return m_printerfilter->isEnabled();
}

TQString KMManager::stateInformation()
{
	return i18n("No plugin information available");
}

void KMManager::checkUpdatePossible()
{
	m_updatepossible = false;
	checkUpdatePossibleInternal();
}

void KMManager::checkUpdatePossibleInternal()
{
	setUpdatePossible( true );
}

void KMManager::setUpdatePossible( bool value )
{
	if ( value != m_updatepossible )
		m_virtualmgr->reset();
	m_updatepossible = value;
	emit updatePossible( m_updatepossible );
}

#include "kmmanager.moc"