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
|
/* -*- c++ -*-
backendconfigwidget.cpp
This file is part of libkleopatra, the KDE keymanagement library
Copyright (c) 2002,2004,2005 Klarälvdalens Datakonsult AB
Copyright (c) 2002,2003 Marc Mutz <mutz@kde.org>
Libkleopatra 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.
Libkleopatra 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the TQt library by Trolltech AS, Norway (or with modified versions
of TQt that use the same license as TQt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
TQt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "backendconfigwidget.h"
#include "cryptoconfigdialog.h"
#include "kleo/cryptobackendfactory.h"
#include "ui/keylistview.h" // for lvi_cast<>
#include <tdelistview.h>
#include <kdialog.h>
#include <klocale.h>
#include <kdebug.h>
#include <kmessagebox.h>
#include <tdeapplication.h>
#include <dcopclient.h>
#include <tqpushbutton.h>
#include <tqlayout.h>
#include <tqheader.h>
#include <tqtimer.h>
#include <assert.h>
namespace Kleo {
class BackendListView;
}
class Kleo::BackendConfigWidget::Private {
public:
Kleo::BackendListView * listView;
TQPushButton * configureButton;
TQPushButton * rescanButton;
Kleo::CryptoBackendFactory * backendFactory;
};
namespace Kleo {
class BackendListViewItem;
class ProtocolCheckListItem;
}
class Kleo::BackendListView : public TDEListView
{
public:
BackendListView( BackendConfigWidget* parent, const char* name = 0 )
: TDEListView( parent, name ) {}
/// return backend for currently selected (/current) item. Used by Configure button.
const Kleo::CryptoBackend* currentBackend() const;
/// return which protocol implementation was chosen (checked) for each type (used when saving)
const Kleo::CryptoBackend* chosenBackend( const char * protocol );
/// deselect all except one for a given protocol type (radiobutton-like exclusivity)
void deselectAll( const char * protocol, TQCheckListItem* except );
void emitChanged() { static_cast<BackendConfigWidget *>( parentWidget() )->emitChanged( true ); }
};
// Toplevel listviewitem for a given backend (e.g. "GpgME", "Kgpg/gpg v2")
class Kleo::BackendListViewItem : public TQListViewItem
{
public:
BackendListViewItem( TDEListView* lv, TQListViewItem *prev, const CryptoBackend *cryptoBackend )
: TQListViewItem( lv, prev, cryptoBackend->displayName() ), mCryptoBackend( cryptoBackend )
{}
const CryptoBackend *cryptoBackend() const { return mCryptoBackend; }
enum { RTTI = 0x2EAE3BE0, RTTI_MASK = 0xFFFFFFFF };
int rtti() const { return RTTI; }
private:
const CryptoBackend *mCryptoBackend;
};
// Chectdelist item under a BackendListViewItem
// (e.g. "GpgME supports protocol OpenPGP")
class Kleo::ProtocolCheckListItem : public TQCheckListItem
{
public:
ProtocolCheckListItem( BackendListViewItem* blvi,
TQListViewItem* prev, const char * protocolName,
const CryptoBackend::Protocol* protocol ) // can be 0
: TQCheckListItem( blvi, prev, itemText( protocolName, protocol ),
TQCheckListItem::CheckBox ),
mProtocol( protocol ), mProtocolName( protocolName )
{}
enum { RTTI = 0x2EAE3BE1, RTTI_MASK = 0xFFFFFFFF };
virtual int rtti() const { return RTTI; }
// can be 0
const CryptoBackend::Protocol* protocol() const { return mProtocol; }
const char * protocolName() const { return mProtocolName; }
protected:
virtual void stateChange( bool b ) {
BackendListView* lv = static_cast<BackendListView *>( listView() );
// "radio-button-like" behavior for the protocol checkboxes
if ( b )
lv->deselectAll( mProtocolName, this );
lv->emitChanged();
TQCheckListItem::stateChange( b );
}
private:
// Helper for the constructor.
static TQString itemText( const char * protocolName, const CryptoBackend::Protocol* protocol ) {
// First one is the generic name (find a nice one for OpenPGP, SMIME)
const TQString protoName = tqstricmp( protocolName, "openpgp" ) != 0
? tqstricmp( protocolName, "smime" ) != 0
? TQString::fromLatin1( protocolName )
: i18n( "S/MIME" )
: i18n( "OpenPGP" );
// second one is implementation name (gpg, gpgsm...)
const TQString impName = protocol ? protocol->displayName() : i18n( "failed" );
return i18n( "Items in Kleo::BackendConfigWidget listview (1: protocol; 2: implementation name)",
"%1 (%2)" ).arg( protoName, impName );
}
const CryptoBackend::Protocol* mProtocol; // can be 0
const char * mProtocolName;
};
const Kleo::CryptoBackend* Kleo::BackendListView::currentBackend() const {
const TQListViewItem* curItem = currentItem();
if ( !curItem ) // can't happen
return 0;
if ( lvi_cast<Kleo::ProtocolCheckListItem>( curItem ) )
curItem = curItem->parent();
if ( const Kleo::BackendListViewItem * blvi = lvi_cast<Kleo::BackendListViewItem>( curItem ) )
return blvi->cryptoBackend();
return 0;
}
// can't be const method due to TQListViewItemIterator (why?)
const Kleo::CryptoBackend* Kleo::BackendListView::chosenBackend( const char * protocolName )
{
for ( TQListViewItemIterator it( this /*, TQListViewItemIterator::Checked doesn't work*/ ) ;
it.current() ; ++it )
if ( ProtocolCheckListItem * p = lvi_cast<ProtocolCheckListItem>( it.current() ) )
if ( p->isOn() && tqstricmp( p->protocolName(), protocolName ) == 0 ) {
// OK that's the one. Now go up to the parent backend
// (need to do that in the listview since Protocol doesn't know it)
if ( const BackendListViewItem * parItem = lvi_cast<BackendListViewItem>( it.current()->parent() ) )
return parItem->cryptoBackend();
}
return 0;
}
void Kleo::BackendListView::deselectAll( const char * protocolName, TQCheckListItem* except )
{
for ( TQListViewItemIterator it( this /*, TQListViewItemIterator::Checked doesn't work*/ ) ;
it.current() ; ++it ) {
if ( it.current() == except ) continue;
if ( ProtocolCheckListItem * p = lvi_cast<ProtocolCheckListItem>( it.current() ) )
if ( p->isOn() && tqstricmp( p->protocolName(), protocolName ) == 0 )
p->setOn( false );
}
}
////
Kleo::BackendConfigWidget::BackendConfigWidget( CryptoBackendFactory * factory, TQWidget * parent, const char * name, WFlags f )
: TQWidget( parent, name, f ), d( 0 )
{
assert( factory );
d = new Private();
d->backendFactory = factory;
TQHBoxLayout * hlay =
new TQHBoxLayout( this, 0, KDialog::spacingHint() );
d->listView = new BackendListView( this, "d->listView" );
d->listView->addColumn( i18n("Available Backends") );
d->listView->setAllColumnsShowFocus( true );
d->listView->setSorting( -1 );
d->listView->header()->setClickEnabled( false );
d->listView->setFullWidth( true );
hlay->addWidget( d->listView, 1 );
connect( d->listView, TQT_SIGNAL(selectionChanged(TQListViewItem*)),
TQT_SLOT(slotSelectionChanged(TQListViewItem*)) );
TQVBoxLayout * vlay = new TQVBoxLayout( hlay ); // inherits spacing
d->configureButton = new TQPushButton( i18n("Confi&gure..."), this );
d->configureButton->setAutoDefault( false );
vlay->addWidget( d->configureButton );
connect( d->configureButton, TQT_SIGNAL(clicked()),
TQT_SLOT(slotConfigureButtonClicked()) );
d->rescanButton = new TQPushButton( i18n("Rescan"), this );
d->rescanButton->setAutoDefault( false );
vlay->addWidget( d->rescanButton );
connect( d->rescanButton, TQT_SIGNAL(clicked()),
TQT_SLOT(slotRescanButtonClicked()) );
vlay->addStretch( 1 );
}
Kleo::BackendConfigWidget::~BackendConfigWidget() {
delete d; d = 0;
}
void Kleo::BackendConfigWidget::load() {
d->listView->clear();
unsigned int backendCount = 0;
// populate the plugin list:
BackendListViewItem * top = 0;
for ( unsigned int i = 0 ; const CryptoBackend * b = d->backendFactory->backend( i ) ; ++i ) {
top = new Kleo::BackendListViewItem( d->listView, top, b );
ProtocolCheckListItem * last = 0;
for ( int i = 0 ; const char * name = b->enumerateProtocols( i ) ; ++i ) {
const CryptoBackend::Protocol * protocol = b->protocol( name );
if ( protocol ) {
last = new ProtocolCheckListItem( top, last, name, protocol );
last->setOn( protocol == d->backendFactory->protocol( name ) );
} else if ( b->supportsProtocol( name ) ) {
last = new ProtocolCheckListItem( top, last, name, 0 );
last->setOn( false );
last->setEnabled( false );
}
}
top->setOpen( true );
++backendCount;
}
if ( backendCount ) {
d->listView->setCurrentItem( d->listView->firstChild() );
d->listView->setSelected( d->listView->firstChild(), true );
}
slotSelectionChanged( d->listView->firstChild() );
}
void Kleo::BackendConfigWidget::slotSelectionChanged( TQListViewItem * ) {
const CryptoBackend* backend = d->listView->currentBackend();
if ( backend && !backend->config() )
kdDebug(5150) << "Backend w/o config object!" << endl;
d->configureButton->setEnabled( backend && backend->config() );
}
void Kleo::BackendConfigWidget::slotRescanButtonClicked() {
TQStringList reasons;
d->backendFactory->scanForBackends( &reasons );
if ( !reasons.empty() )
KMessageBox::informationList( this,
i18n("The following problems where encountered during scanning:"),
reasons, i18n("Scan Results") );
load();
emit changed( true );
}
void Kleo::BackendConfigWidget::slotConfigureButtonClicked() {
const CryptoBackend* backend = d->listView->currentBackend();
if ( backend && backend->config() ) {
Kleo::CryptoConfigDialog dlg( backend->config(), this );
int result = dlg.exec();
if ( result == TQDialog::Accepted ) {
// Tell other users of gpgconf (e.g. the s/mime page) that the gpgconf data might have changed
kapp->dcopClient()->emitDCOPSignal( "KPIM::CryptoConfig", "changed()", TQByteArray() );
// and schedule a rescan, in case the updates make a backend valid
TQTimer::singleShot( 0, this, TQT_SLOT(slotRescanButtonClicked()) );
}
}
else // shouldn't happen, button is disabled
kdWarning(5150) << "Can't configure backend, no config object available" << endl;
}
void Kleo::BackendConfigWidget::save() const {
for ( int i = 0 ; const char * name = d->backendFactory->enumerateProtocols( i ) ; ++i )
d->backendFactory->setProtocolBackend( name, d->listView->chosenBackend( name ) );
}
void Kleo::BackendConfigWidget::virtual_hook( int, void* ) {}
#include "backendconfigwidget.moc"
|