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tdebase/kicker/applets/media/mediaapplet.cpp

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/* This file is part of the KDE project
Copyright (c) 2004 Kevin Ottens <ervin ipsquad net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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 <tdeglobal.h>
#include <tdelocale.h>
#include <tdeconfig.h>
#include <tdeapplication.h>
#include <tdeaboutdata.h>
#include <tdeaboutapplication.h>
#include <kdebug.h>
#include <tdepopupmenu.h>
#include <kiconloader.h>
#include "mediaapplet.h"
#include "preferencesdialog.h"
extern "C"
{
KDE_EXPORT KPanelApplet* init( TQWidget *parent, const TQString configFile)
{
TDEGlobal::locale()->insertCatalogue("mediaapplet");
return new MediaApplet(configFile, KPanelApplet::Normal,
KPanelApplet::About | KPanelApplet::Preferences,
parent, "mediaapplet");
}
}
MediaApplet::MediaApplet(const TQString& configFile, Type type, int actions, TQWidget *parent, const char *name)
: KPanelApplet(configFile, type, actions, parent, name),
mButtonSizeSum(0)
{
if (!parent)
setBackgroundMode(X11ParentRelative);
setBackgroundOrigin(AncestorOrigin);
setAcceptDrops(true);
loadConfig();
mpDirLister = new KDirLister();
connect( mpDirLister, TQT_SIGNAL( clear() ),
this, TQT_SLOT( slotClear() ) );
connect( mpDirLister, TQT_SIGNAL( started(const KURL&) ),
this, TQT_SLOT( slotStarted(const KURL&) ) );
connect( mpDirLister, TQT_SIGNAL( completed() ),
this, TQT_SLOT( slotCompleted() ) );
connect( mpDirLister, TQT_SIGNAL( newItems( const KFileItemList & ) ),
this, TQT_SLOT( slotNewItems( const KFileItemList & ) ) );
connect( mpDirLister, TQT_SIGNAL( deleteItem( KFileItem * ) ),
this, TQT_SLOT( slotDeleteItem( KFileItem * ) ) );
connect( mpDirLister, TQT_SIGNAL( refreshItems( const KFileItemList & ) ),
this, TQT_SLOT( slotRefreshItems( const KFileItemList & ) ) );
reloadList();
}
MediaApplet::~MediaApplet()
{
delete mpDirLister;
while (!mButtonList.isEmpty())
{
MediumButton *b = mButtonList.first();
mButtonList.remove(b);
delete b;
}
TDEGlobal::locale()->removeCatalogue("mediaapplet");
}
void MediaApplet::about()
{
TDEAboutData data("mediaapplet",
I18N_NOOP("Media Applet"),
"1.0",
I18N_NOOP("\"media:/\" ioslave frontend applet"),
TDEAboutData::License_GPL_V2,
"(c) 2004, Kevin Ottens");
data.addAuthor("Kevin \'ervin\' Ottens",
I18N_NOOP("Maintainer"),
"ervin ipsquad net",
"http://ervin.ipsquad.net");
data.addCredit("Joseph Wenninger",
I18N_NOOP("Good mentor, patient and helpful. Thanks for all!"),
"jowenn@kde.org");
TDEAboutApplication dialog(&data);
dialog.exec();
}
void MediaApplet::preferences()
{
PreferencesDialog dialog(mMedia);
dialog.setExcludedMediumTypes(mExcludedTypesList);
dialog.setExcludedMedia(mExcludedList);
if(dialog.exec())
{
mExcludedTypesList = dialog.excludedMediumTypes();
mExcludedList = dialog.excludedMedia();
saveConfig();
reloadList();
}
}
int MediaApplet::widthForHeight( int /*height*/ ) const
{
return mButtonSizeSum;
}
int MediaApplet::heightForWidth( int /*width*/ ) const
{
return mButtonSizeSum;
}
void MediaApplet::resizeEvent( TQResizeEvent *)
{
arrangeButtons();
}
void MediaApplet::arrangeButtons()
{
int button_size = 1;
int x_offset = 0;
int y_offset = 0;
// Determine upper bound for the button size
MediumButtonList::iterator it;
MediumButtonList::iterator end = mButtonList.end();
for ( it = mButtonList.begin(); it != end; ++it )
{
MediumButton *button = *it;
button_size = std::max(button_size,
orientation() == TQt::Vertical ?
button->heightForWidth(width()) :
button->widthForHeight(height()) );
// button->widthForHeight(height()) :
// button->heightForWidth(width()) );
}
int kicker_size;
if (orientation() == TQt::Vertical)
{
kicker_size = width();
}
else
{
kicker_size = height();
}
unsigned int max_packed_buttons = kicker_size / button_size;
// Center icons if we only have one column/row
if (mButtonList.count() < max_packed_buttons)
{
max_packed_buttons = TQMAX(uint(1), mButtonList.count());
}
max_packed_buttons = TQMAX(uint(1), max_packed_buttons);
int padded_button_size = kicker_size / max_packed_buttons;
mButtonSizeSum = 0;
unsigned int pack_count = 0;
// Arrange the buttons. If kicker is more than twice as high/wide
// as the maximum preferred size of an icon, we put several icons
// in one column/row
for ( it = mButtonList.begin(); it != end; ++it )
{
MediumButton *button = *it;
button->move(x_offset, y_offset);
button->setPanelPosition(position());
if(pack_count == 0)
{
mButtonSizeSum += button_size;
}
++pack_count;
if(orientation() == TQt::Vertical)
{
if (pack_count < max_packed_buttons)
{
x_offset += padded_button_size;
}
else
{
x_offset = 0;
y_offset += button_size;
pack_count = 0;
}
button->resize(padded_button_size, button_size);
}
else
{
if (pack_count < max_packed_buttons)
{
y_offset += padded_button_size;
}
else
{
y_offset = 0;
x_offset += button_size;
pack_count = 0;
}
button->resize(button_size, padded_button_size);
}
button->unsetPalette();
button->setBackgroundOrigin(AncestorOrigin);
}
updateGeometry();
emit updateLayout();
}
void MediaApplet::slotClear()
{
kdDebug()<<"MediaApplet::slotClear"<<endl;
while (!mButtonList.isEmpty())
{
MediumButton *b = mButtonList.first();
mButtonList.remove(b);
delete b;
}
arrangeButtons();
}
void MediaApplet::slotStarted(const KURL &/*url*/)
{
}
void MediaApplet::slotCompleted()
{
mMedia = mpDirLister->items(KDirLister::AllItems);
}
void MediaApplet::slotNewItems(const KFileItemList &entries)
{
kdDebug()<<"MediaApplet::slotNewItems"<<endl;
for(KFileItemListIterator it(entries); it.current(); ++it)
{
kdDebug() << "item: " << it.current()->url() << endl;
bool found = false;
MediumButtonList::iterator it2;
MediumButtonList::iterator end = mButtonList.end();
for ( it2 = mButtonList.begin(); it2 != end; ++it2 )
{
MediumButton *button = *it2;
if(button->fileItem().url()==it.current()->url())
{
found = true;
button->setFileItem(*it.current());
break;
}
}
if(!found && !mExcludedList.contains(it.current()->url().url()) )
{
MediumButton *button = new MediumButton(this, *it.current());
button->show();
mButtonList.append(button);
}
}
arrangeButtons();
}
void MediaApplet::slotDeleteItem(KFileItem *fileItem)
{
kdDebug()<<"MediumApplet::slotDeleteItem:"<< fileItem->url() << endl;
MediumButtonList::iterator it;
MediumButtonList::iterator end = mButtonList.end();
for ( it = mButtonList.begin(); it != end; ++it )
{
MediumButton *button = *it;
if(button->fileItem().url()==fileItem->url())
{
mButtonList.remove(button);
delete button;
break;
}
}
slotCompleted();
arrangeButtons();
}
void MediaApplet::slotRefreshItems(const KFileItemList &entries)
{
for(KFileItemListIterator it(entries); it.current(); ++it)
{
kdDebug()<<"MediaApplet::slotRefreshItems:"<<(*it.current()).url().url()<<endl;
TQString mimetype = (*it.current()).mimetype();
bool found = false;
kdDebug()<<"mimetype="<<mimetype<<endl;
MediumButtonList::iterator it2;
MediumButtonList::iterator end = mButtonList.end();
for ( it2 = mButtonList.begin(); it2 != end; ++it2 )
{
MediumButton *button = *it2;
if(button->fileItem().url()==(*it.current()).url())
{
if(mExcludedTypesList.contains(mimetype))
{
mButtonList.remove(button);
delete button;
}
else
{
button->setFileItem(*it.current());
}
found = true;
break;
}
}
if(!found && !mExcludedTypesList.contains(mimetype) && !mExcludedList.contains(it.current()->url().url()) )
{
MediumButton *button = new MediumButton(this, *it.current());
button->show();
mButtonList.append(button);
}
}
arrangeButtons();
}
void MediaApplet::positionChange(Position)
{
arrangeButtons();
}
void MediaApplet::loadConfig()
{
TDEConfig *c = config();
c->setGroup("General");
if(c->hasKey("ExcludedTypes"))
{
mExcludedTypesList = c->readListEntry("ExcludedTypes",';');
}
else
{
mExcludedTypesList.clear();
mExcludedTypesList << "media/hdd_mounted";
mExcludedTypesList << "media/hdd_unmounted";
mExcludedTypesList << "media/nfs_mounted";
mExcludedTypesList << "media/nfs_unmounted";
mExcludedTypesList << "media/smb_mounted";
mExcludedTypesList << "media/smb_unmounted";
}
if(c->hasKey("ExcludedMedia"))
{
mExcludedList = c->readListEntry("ExcludedMedia",';');
}
else
{
mExcludedList.clear();
}
}
void MediaApplet::saveConfig()
{
TDEConfig *c = config();
c->setGroup("General");
c->writeEntry("ExcludedTypes", mExcludedTypesList, ';');
c->writeEntry("ExcludedMedia", mExcludedList, ';');
c->sync();
}
void MediaApplet::reloadList()
{
mpDirLister->stop();
while (!mButtonList.isEmpty())
{
MediumButton *b = mButtonList.first();
mButtonList.remove(b);
delete b;
}
mpDirLister->clearMimeFilter();
mpDirLister->setMimeExcludeFilter(mExcludedTypesList);
mpDirLister->openURL(KURL("media:/"));
}
void MediaApplet::mousePressEvent(TQMouseEvent *e)
{
if(e->button()==TQt::RightButton)
{
TDEPopupMenu menu(this);
menu.insertTitle(i18n("Media"));
menu.insertItem(SmallIcon("configure"), i18n("&Configure..."), 1);
int choice = menu.exec(this->mapToGlobal(e->pos()));
if(choice==1)
{
preferences();
}
}
}
#include "mediaapplet.moc"