summaryrefslogtreecommitdiffstats
path: root/kcontrol/kdm/kdm-appear.cpp
blob: 103a2f33b54e92779807a621cb6962ad9a3b30a4 (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
/*
  This file is part of the KDE Display Manager Configuration package
  Copyright (C) 1997-1998 Thomas Tanghus (tanghus@earthling.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 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 <unistd.h>
#include <sys/types.h>


#include <tqbuttongroup.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqradiobutton.h>
#include <tqwhatsthis.h>
#include <tqvalidator.h>
#include <tqstylefactory.h>
#include <tqstyle.h>

#include <klocale.h>
#include <klineedit.h>
#include <kimageio.h>
#include <kcombobox.h>
#include <kmessagebox.h>
#include <kstandarddirs.h>
#include <kio/netaccess.h>
#include <kiconloader.h>
#include <kurldrag.h>
#include <kimagefilepreview.h>

#include "kdm-appear.h"
#include "kbackedcombobox.h"

extern KSimpleConfig *config;


KDMAppearanceWidget::KDMAppearanceWidget(TQWidget *parent, const char *name)
  : TQWidget(parent, name)
{
  TQString wtstr;

  TQVBoxLayout *vbox = new TQVBoxLayout(this, KDialog::marginHint(),
                      KDialog::spacingHint(), "vbox");
  TQGroupBox *group = new TQGroupBox(i18n("Appearance"), this);
  vbox->addWidget(group);

  TQGridLayout *grid = new TQGridLayout( group, 5, 2, KDialog::marginHint(),
                       KDialog::spacingHint(), "grid");
  grid->addRowSpacing(0, group->fontMetrics().height());
  grid->setColStretch(0, 1);
  grid->setColStretch(1, 1);

  TQHBoxLayout *hlay = new TQHBoxLayout( KDialog::spacingHint() );
  grid->addMultiCellLayout(hlay, 1,1, 0,1);
  greetstr_lined = new KLineEdit(group);
  TQLabel *label = new TQLabel(greetstr_lined, i18n("&Greeting:"), group);
  hlay->addWidget(label);
  connect(greetstr_lined, TQT_SIGNAL(textChanged(const TQString&)),
      TQT_SLOT(changed()));
  hlay->addWidget(greetstr_lined);
  wtstr = i18n("This is the \"headline\" for KDM's login window. You may want to "
           "put some nice greeting or information about the operating system here.<p>"
           "KDM will substitute the following character pairs with the "
           "respective contents:<br><ul>"
           "<li>%d -> current display</li>"
           "<li>%h -> host name, possibly with domain name</li>"
           "<li>%n -> node name, most probably the host name without domain name</li>"
           "<li>%s -> the operating system</li>"
           "<li>%r -> the operating system's version</li>"
           "<li>%m -> the machine (hardware) type</li>"
           "<li>%% -> a single %</li>"
           "</ul>" );
  TQWhatsThis::add( label, wtstr );
  TQWhatsThis::add( greetstr_lined, wtstr );


  TQGridLayout *hglay = new TQGridLayout( 3, 4, KDialog::spacingHint() );
  grid->addMultiCellLayout(hglay, 2,4, 0,0);

  label = new TQLabel(i18n("Logo area:"), group);
  hglay->addWidget(label, 0, 0);
  TQVBoxLayout *vlay = new TQVBoxLayout( KDialog::spacingHint() );
  hglay->addMultiCellLayout(vlay, 0,0, 1,2);
  noneRadio = new TQRadioButton( i18n("logo area", "&None"), group );
  clockRadio = new TQRadioButton( i18n("Show cloc&k"), group );
  logoRadio = new TQRadioButton( i18n("Sho&w logo"), group );
  TQButtonGroup *buttonGroup = new TQButtonGroup( group );
  label->setBuddy( buttonGroup );
  connect( buttonGroup, TQT_SIGNAL(clicked(int)), TQT_SLOT(slotAreaRadioClicked(int)) );
  connect( buttonGroup, TQT_SIGNAL(clicked(int)), TQT_SLOT(changed()) );
  buttonGroup->hide();
  buttonGroup->insert(noneRadio, KdmNone);
  buttonGroup->insert(clockRadio, KdmClock);
  buttonGroup->insert(logoRadio, KdmLogo);
  vlay->addWidget(noneRadio);
  vlay->addWidget(clockRadio);
  vlay->addWidget(logoRadio);
  wtstr = i18n("You can choose to display a custom logo (see below), a clock or no logo at all.");
  TQWhatsThis::add( label, wtstr );
  TQWhatsThis::add( noneRadio, wtstr );
  TQWhatsThis::add( logoRadio, wtstr );
  TQWhatsThis::add( clockRadio, wtstr );

  logoLabel = new TQLabel(i18n("&Logo:"), group);
  logobutton = new TQPushButton(group);
  logoLabel->setBuddy( logobutton );
  logobutton->setAutoDefault(false);
  logobutton->setAcceptDrops(true);
  logobutton->installEventFilter(this); // for drag and drop
  connect(logobutton, TQT_SIGNAL(clicked()), TQT_SLOT(slotLogoButtonClicked()));
  hglay->addWidget(logoLabel, 1, 0);
  hglay->addWidget(logobutton, 1, 1, Qt::AlignCenter);
  hglay->addRowSpacing(1, 110);
  wtstr = i18n("Click here to choose an image that KDM will display. "
	       "You can also drag and drop an image onto this button "
	       "(e.g. from Konqueror).");
  TQWhatsThis::add( logoLabel, wtstr );
  TQWhatsThis::add( logobutton, wtstr );
  hglay->addRowSpacing( 2, KDialog::spacingHint());
  hglay->setColStretch( 3, 1);


  hglay = new TQGridLayout( 2, 3, KDialog::spacingHint() );
  grid->addLayout(hglay, 2, 1);

  label = new TQLabel(i18n("Position:"), group);
  hglay->addMultiCellWidget(label, 0,1, 0,0, Qt::AlignVCenter);
  TQValidator *posValidator = new TQIntValidator(0, 100, TQT_TQOBJECT(group));
  TQLabel *xLineLabel = new TQLabel(i18n("&X:"), group);
  hglay->addWidget(xLineLabel, 0, 1);
  xLineEdit = new TQLineEdit (group);
  connect( xLineEdit, TQT_SIGNAL( textChanged(const TQString&) ), TQT_SLOT( changed() ));
  hglay->addWidget(xLineEdit, 0, 2);
  xLineLabel->setBuddy(xLineEdit);
  xLineEdit->setValidator(posValidator);
  TQLabel *yLineLabel = new TQLabel(i18n("&Y:"), group);
  hglay->addWidget(yLineLabel, 1, 1);
  yLineEdit = new TQLineEdit (group);
  connect( yLineEdit, TQT_SIGNAL( textChanged(const TQString&) ), TQT_SLOT( changed() ));
  hglay->addWidget(yLineEdit, 1, 2);
  yLineLabel->setBuddy(yLineEdit);
  yLineEdit->setValidator(posValidator);
  wtstr = i18n("Here you specify the relative coordinates (in percent) of the login dialog's <em>center</em>.");
  TQWhatsThis::add( label, wtstr );
  TQWhatsThis::add( xLineLabel, wtstr );
  TQWhatsThis::add( xLineEdit, wtstr );
  TQWhatsThis::add( yLineLabel, wtstr );
  TQWhatsThis::add( yLineEdit, wtstr );
  hglay->setColStretch( 3, 1);
  hglay->setRowStretch( 2, 1);


  hglay = new TQGridLayout( 2, 3, KDialog::spacingHint() );
  grid->addLayout(hglay, 3, 1);
  hglay->setColStretch(3, 1);

  guicombo = new KBackedComboBox(group);
  guicombo->insertItem( "", i18n("<default>") );
  loadGuiStyles(guicombo);
  guicombo->listBox()->sort();
  label = new TQLabel(guicombo, i18n("GUI s&tyle:"), group);
  connect(guicombo, TQT_SIGNAL(activated(int)), TQT_SLOT(changed()));
  hglay->addWidget(label, 0, 0);
  hglay->addWidget(guicombo, 0, 1);
  wtstr = i18n("You can choose a basic GUI style here that will be "
        "used by KDM only.");
  TQWhatsThis::add( label, wtstr );
  TQWhatsThis::add( guicombo, wtstr );

  colcombo = new KBackedComboBox(group);
  colcombo->insertItem( "", i18n("<default>") );
  loadColorSchemes(colcombo);
  colcombo->listBox()->sort();
  label = new TQLabel(colcombo, i18n("&Color scheme:"), group);
  connect(colcombo, TQT_SIGNAL(activated(int)), TQT_SLOT(changed()));
  hglay->addWidget(label, 1, 0);
  hglay->addWidget(colcombo, 1, 1);
  wtstr = i18n("You can choose a basic Color Scheme here that will be "
        "used by KDM only.");
  TQWhatsThis::add( label, wtstr );
  TQWhatsThis::add( colcombo, wtstr );

  echocombo = new KBackedComboBox(group);
  echocombo->insertItem("NoEcho", i18n("No Echo"));
  echocombo->insertItem("OneStar", i18n("One Star"));
  echocombo->insertItem("ThreeStars", i18n("Three Stars"));
  label = new TQLabel(echocombo, i18n("Echo &mode:"), group);
  connect(echocombo, TQT_SIGNAL(activated(int)), TQT_SLOT(changed()));
  hglay->addWidget(label, 2, 0);
  hglay->addWidget(echocombo, 2, 1);
  wtstr = i18n("You can choose whether and how KDM shows your password when you type it.");
  TQWhatsThis::add( label, wtstr );
  TQWhatsThis::add( echocombo, wtstr );


  // The Language group box
  group = new TQGroupBox(0, Qt::Vertical, i18n("Locale"), this);
  vbox->addWidget(group);

  langcombo = new KLanguageButton(group);
  loadLanguageList(langcombo);
  connect(langcombo, TQT_SIGNAL(activated(const TQString &)), TQT_SLOT(changed()));
  label = new TQLabel(langcombo, i18n("Languag&e:"), group);
  TQGridLayout *hbox = new TQGridLayout( group->tqlayout(), 2, 2, KDialog::spacingHint() );
  hbox->setColStretch(1, 1);
  hbox->addWidget(label, 1, 0);
  hbox->addWidget(langcombo, 1, 1);
  wtstr = i18n("Here you can choose the language used by KDM. This setting does not affect"
    " a user's personal settings; that will take effect after login.");
  TQWhatsThis::add( label, wtstr );
  TQWhatsThis::add( langcombo, wtstr );


  vbox->addStretch(1);

}

void KDMAppearanceWidget::makeReadOnly()
{
    disconnect( logobutton, TQT_SIGNAL(clicked()),
		this, TQT_SLOT(slotLogoButtonClicked()) );
    logobutton->setAcceptDrops(false);
    greetstr_lined->setReadOnly(true);
    noneRadio->setEnabled(false);
    clockRadio->setEnabled(false);
    logoRadio->setEnabled(false);
    xLineEdit->setEnabled(false);
    yLineEdit->setEnabled(false);
    guicombo->setEnabled(false);
    colcombo->setEnabled(false);
    echocombo->setEnabled(false);
    langcombo->setEnabled(false);
}

void KDMAppearanceWidget::loadLanguageList(KLanguageButton *combo)
{
  TQStringList langlist = KGlobal::dirs()->findAllResources("locale",
			TQString::tqfromLatin1("*/entry.desktop"));
  langlist.sort();
  for ( TQStringList::ConstIterator it = langlist.begin();
	it != langlist.end(); ++it )
  {
    TQString fpath = (*it).left((*it).length() - 14);
    int index = fpath.tqfindRev('/');
    TQString nid = fpath.mid(index + 1);

    KSimpleConfig entry(*it);
    entry.setGroup(TQString::tqfromLatin1("KCM Locale"));
    TQString name = entry.readEntry(TQString::tqfromLatin1("Name"), i18n("without name"));
    combo->insertLanguage(nid, name, TQString::tqfromLatin1("l10n/"), TQString::null);
  }
}

void KDMAppearanceWidget::loadColorSchemes(KBackedComboBox *combo)
{
  // XXX: Global + local schemes
  TQStringList list = KGlobal::dirs()->
      findAllResources("data", "kdisplay/color-schemes/*.kcsrc", false, true);
  for (TQStringList::ConstIterator it = list.begin(); it != list.end(); ++it)
  {
    KSimpleConfig config(*it, true);
    config.setGroup("Color Scheme");

    TQString str;
    if (!(str = config.readEntry("Name")).isEmpty() ||
	!(str = config.readEntry("name")).isEmpty())
    {
	TQString str2 = (*it).mid( (*it).tqfindRev( '/' ) + 1 ); // strip off path
	str2.setLength( str2.length() - 6 ); // strip off ".kcsrc
        combo->insertItem( str2, str );
    }
  }
}

void KDMAppearanceWidget::loadGuiStyles(KBackedComboBox *combo)
{
  // XXX: Global + local schemes
  TQStringList list = KGlobal::dirs()->
      findAllResources("data", "kstyle/themes/*.themerc", false, true);
  for (TQStringList::ConstIterator it = list.begin(); it != list.end(); ++it)
  {
    KSimpleConfig config(*it, true);

    if (!(config.hasGroup("KDE") && config.hasGroup("Misc")))
	continue;

    config.setGroup("Desktop Entry");
    if (config.readBoolEntry("Hidden", false))
	continue;

    config.setGroup("KDE");
    TQString str2 = config.readEntry("WidgetStyle");
    if (str2.isNull())
	continue;

    config.setGroup("Misc");
    combo->insertItem( str2, config.readEntry("Name") );
  }
}

bool KDMAppearanceWidget::setLogo(TQString logo)
{
    TQString flogo = logo.isEmpty() ?
                    locate("data", TQString::tqfromLatin1("kdm/pics/kdelogo.png") ) :
                    logo;
    TQImage p(flogo);
    if (p.isNull())
        return false;
    if (p.width() > 100 || p.height() > 100)
        p = p.smoothScale(100, 100, TQ_ScaleMin);
    logobutton->setPixmap(p);
    uint bd = tqstyle().tqpixelMetric( TQStyle::PM_ButtonMargin ) * 2;
    logobutton->setFixedSize(p.width() + bd, p.height() + bd);
    logopath = logo;
    return true;
}


void KDMAppearanceWidget::slotLogoButtonClicked()
{
    KImageIO::registerFormats();
    KFileDialog dialogue(locate("data", TQString::tqfromLatin1("kdm/pics/")),
			 KImageIO::pattern( KImageIO::Reading ),
			 this, 0, true);
    dialogue.setOperationMode( KFileDialog::Opening );
    dialogue.setMode( KFile::File | KFile::LocalOnly );

    KImageFilePreview* imagePreview = new KImageFilePreview( &dialogue );
    dialogue.setPreviewWidget( imagePreview );
    if (dialogue.exec() == TQDialog::Accepted) {
	if ( setLogo(dialogue.selectedFile()) ) {
	    changed();
	}
    }
}


void KDMAppearanceWidget::slotAreaRadioClicked(int id)
{
    logobutton->setEnabled( id == KdmLogo );
    logoLabel->setEnabled( id == KdmLogo );
}


bool KDMAppearanceWidget::eventFilter(TQObject *, TQEvent *e)
{
  if (e->type() == TQEvent::DragEnter) {
    iconLoaderDragEnterEvent((TQDragEnterEvent *) e);
    return true;
  }

  if (e->type() == TQEvent::Drop) {
    iconLoaderDropEvent((TQDropEvent *) e);
    return true;
  }

  return false;
}

void KDMAppearanceWidget::iconLoaderDragEnterEvent(TQDragEnterEvent *e)
{
  e->accept(KURLDrag::canDecode(e));
}


KURL *decodeImgDrop(TQDropEvent *e, TQWidget *wdg);

void KDMAppearanceWidget::iconLoaderDropEvent(TQDropEvent *e)
{
    KURL pixurl;
    bool istmp;

    KURL *url = decodeImgDrop(e, this);
    if (url) {

	// we gotta check if it is a non-local file and make a tmp copy at the hd.
	if(!url->isLocalFile()) {
	    pixurl.setPath(KGlobal::dirs()->resourceDirs("data").last() +
		     "kdm/pics/" + url->fileName());
	    KIO::NetAccess::copy(*url, pixurl, tqparentWidget());
	    istmp = true;
	} else {
	    pixurl = *url;
	    istmp = false;
	}

	// By now url should be "file:/..."
	if (!setLogo(pixurl.path())) {
	    KIO::NetAccess::del(pixurl, tqparentWidget());
	    TQString msg = i18n("There was an error loading the image:\n"
			       "%1\n"
			       "It will not be saved.")
			       .arg(pixurl.path());
	    KMessageBox::sorry(this, msg);
	}

	delete url;
    }
}


void KDMAppearanceWidget::save()
{
  config->setGroup("X-*-Greeter");

  config->writeEntry("GreetString", greetstr_lined->text());

  config->writeEntry("LogoArea", noneRadio->isChecked() ? "None" :
			    logoRadio->isChecked() ? "Logo" : "Clock" );

  config->writeEntry("LogoPixmap", KGlobal::iconLoader()->iconPath(logopath, KIcon::Desktop, true));

  config->writeEntry("GUIStyle", guicombo->currentId());

  config->writeEntry("ColorScheme", colcombo->currentId());

  config->writeEntry("EchoMode", echocombo->currentId());

  config->writeEntry("GreeterPos", xLineEdit->text() + ',' + yLineEdit->text());

  config->writeEntry("Language", langcombo->current());
}


void KDMAppearanceWidget::load()
{
  config->setGroup("X-*-Greeter");

  // Read the greeting string
  greetstr_lined->setText(config->readEntry("GreetString", i18n("Welcome to Kubuntu at %n")));

  // Regular logo or clock
  TQString logoArea = config->readEntry("LogoArea", "Logo" );
  if (logoArea == "Clock") {
    clockRadio->setChecked(true);
    slotAreaRadioClicked(KdmClock);
  } else if (logoArea == "Logo") {
    logoRadio->setChecked(true);
    slotAreaRadioClicked(KdmLogo);
  } else {
    noneRadio->setChecked(true);
    slotAreaRadioClicked(KdmNone);
  }

  // See if we use alternate logo
  setLogo(config->readEntry("LogoPixmap"));

  // Check the GUI type
  guicombo->setCurrentId(config->readEntry("GUIStyle"));

  // Check the Color Scheme
  colcombo->setCurrentId(config->readEntry("ColorScheme"));

  // Check the echo mode
  echocombo->setCurrentId(config->readEntry("EchoMode", "OneStar"));

  TQStringList sl = config->readListEntry( "GreeterPos" );
  if (sl.count() != 2) {
    xLineEdit->setText( "50" );
    yLineEdit->setText( "50" );
  } else {
    xLineEdit->setText( sl.first() );
    yLineEdit->setText( sl.last() );
  }

  // get the language
  langcombo->setCurrentItem(config->readEntry("Language", "C"));
}


void KDMAppearanceWidget::defaults()
{
  greetstr_lined->setText( i18n("Welcome to Kubuntu at %n") );
  logoRadio->setChecked( true );
  slotAreaRadioClicked( KdmLogo );
  setLogo( "" );
  guicombo->setCurrentId( "" );
  colcombo->setCurrentId( "" );
  echocombo->setCurrentItem( "OneStar" );

  xLineEdit->setText( "50" );
  yLineEdit->setText( "50" );

  langcombo->setCurrentItem( "en_US" );
}

TQString KDMAppearanceWidget::quickHelp() const
{
  return i18n("<h1>KDM - Appearance</h1> Here you can configure the basic appearance"
    " of the KDM login manager, i.e. a greeting string, an icon etc.<p>"
    " For further refinement of KDM's appearance, see the \"Font\" and \"Background\" "
    " tabs.");
}


void KDMAppearanceWidget::changed()
{
  emit changed(true);
}

#include "kdm-appear.moc"