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
|
/* This file is part of the KDE project
Copyright (C) 2002 Matthias Kretz <[email protected]>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// $Id$
#include "kviewbrowser.h"
#include "kmyfileitemlist.h"
#include <tqcursor.h>
#include <kdirlister.h>
#include <kaction.h>
#include <klocale.h>
#include <kgenericfactory.h>
#include <kdebug.h>
#include <kimageviewer/viewer.h>
#include <kimageviewer/canvas.h>
#include <kparts/browserextension.h>
#include <kapplication.h>
#include <kimageio.h>
typedef KGenericFactory<KViewBrowser> KViewBrowserFactory;
K_EXPORT_COMPONENT_FACTORY( kview_browserplugin, KViewBrowserFactory( "kviewbrowserplugin" ) )
KViewBrowser::KViewBrowser( TQObject* parent, const char* name, const TQStringList & )
: Plugin( parent, name )
, m_pDirLister( 0 )
, m_pFileItemList( 0 )
, m_bShowCurrent( false )
{
m_pViewer = static_cast<KImageViewer::Viewer *>( parent );
if( m_pViewer )
{
m_paBack = KStdAction::back ( this, TQT_SLOT( slotBack() ), actionCollection(), "previous_image" );
m_paBack->setShortcut( SHIFT+Key_Left );
m_paForward = KStdAction::forward( this, TQT_SLOT( slotForward() ), actionCollection(), "next_image" );
m_paForward->setShortcut( SHIFT+Key_Right );
m_pExtension = m_pViewer->browserExtension();
}
else
kdWarning( 4630 ) << "no KImageViewer interface found - the browser plugin won't work" << endl;
}
KViewBrowser::~KViewBrowser()
{
delete m_pDirLister;
delete m_pFileItemList;
}
void KViewBrowser::openURL(const KURL &u)
{
if (m_pViewer)
{
// Opening new URL resets zoom, so remember it.
double oldZoom = m_pViewer->canvas()->zoom();
m_pViewer->openURL(u);
m_pViewer->canvas()->setZoom(oldZoom);
}
if( m_pExtension )
{
emit m_pExtension->setLocationBarURL( u.prettyURL() );
}
}
void KViewBrowser::slotBack()
{
setupDirLister();
if( ! m_pFileItemList )
return;
KFileItem * item = m_pFileItemList->prev();
if( ! item )
item = m_pFileItemList->last();
if( item )
{
kdDebug( 4630 ) << item->url().prettyURL() << endl;
openURL( item->url() );
}
else
kdDebug( 4630 ) << "no file found" << endl;
m_bShowCurrent = false;
}
void KViewBrowser::slotForward()
{
setupDirLister();
if( ! m_pFileItemList )
return;
KFileItem * item = m_bShowCurrent ? m_pFileItemList->current() : m_pFileItemList->next();
if( ! item )
item = m_pFileItemList->first();
if( item )
{
kdDebug( 4630 ) << item->url().prettyURL() << endl;
openURL( item->url() );
}
else
kdDebug( 4630 ) << "no file found" << endl;
m_bShowCurrent = false;
}
void KViewBrowser::slotNewItems( const KFileItemList & items )
{
kdDebug( 4630 ) << k_funcinfo << endl;
delete m_pFileItemList;
m_pFileItemList = new KMyFileItemList( items );
m_pFileItemList->sort();
// set the current pointer on the currently open image
KFileItem * item = m_pFileItemList->first();
for( ; item; item = m_pFileItemList->next() )
if( item->url() == m_pViewer->url() )
break;
}
void KViewBrowser::slotDeleteItem( KFileItem * item )
{
bool setToFirst = false;
if( m_pFileItemList->current() == item )
{
// The current image is being removed
// we have to take care, that the next slotForward call returns the new current item
m_bShowCurrent = true;
if( m_pFileItemList->getLast() == item )
// The the current image is the last image - wrap around to the first
setToFirst = true;
}
m_pFileItemList->remove( item );
if( setToFirst )
( void )m_pFileItemList->first();
}
void KViewBrowser::setupDirLister()
{
if( ! m_pDirLister )
{
kdDebug( 4630 ) << "create new KDirLister" << endl;
m_pDirLister = new KDirLister();
m_pDirLister->setMimeFilter( KImageIO::mimeTypes( KImageIO::Reading ) );
m_pDirLister->setShowingDotFiles( true );
connect( m_pDirLister, TQT_SIGNAL( newItems( const KFileItemList & ) ), TQT_SLOT( slotNewItems( const KFileItemList & ) ) );
connect( m_pDirLister, TQT_SIGNAL( deleteItem( KFileItem * ) ), TQT_SLOT( slotDeleteItem( KFileItem * ) ) );
}
if( m_pDirLister->url() != KURL( m_pViewer->url().directory( true, false ) ) )
{
TQApplication::setOverrideCursor( WaitCursor );
TQString url = m_pViewer->url().prettyURL();
int pos = url.findRev( "/" );
url = url.left( (unsigned int)pos );
kdDebug( 4630 ) << "open KDirLister for " << url << endl;
m_pDirLister->openURL( KURL( url ));
while( ! m_pDirLister->isFinished() )
kapp->processEvents();
//while( ! m_pFileItemList )
//kapp->processEvents();
TQApplication::restoreOverrideCursor();
}
}
// vim:sw=4:ts=4:cindent
#include "kviewbrowser.moc"
|
