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tdelibs/kio/kfile/kicondialog.cpp

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/* vi: ts=8 sts=4 sw=4
*
* This file is part of the KDE project, module kfile.
* Copyright (C) 2000 Geert Jansen <jansen@kde.org>
* (C) 2000 Kurt Granroth <granroth@kde.org>
* (C) 1997 Christoph Neerfeld <chris@kde.org>
* (C) 2002 Carsten Pfeiffer <pfeiffer@kde.org>
*
* This is free software; it comes under the GNU Library General
* Public License, version 2. See the file "COPYING.LIB" for the
* exact licensing terms.
*/
#include "kicondialog.h"
#include <config.h>
#include <assert.h>
#include <kiconviewsearchline.h>
#include <kapplication.h>
#include <klocale.h>
#include <kglobal.h>
#include <kstandarddirs.h>
#include <kiconloader.h>
#include <kprogress.h>
#include <kiconview.h>
#include <kfiledialog.h>
#include <kimagefilepreview.h>
#include <tqlayout.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqsortedlist.h>
#include <tqimage.h>
#include <tqpixmap.h>
#include <tqlabel.h>
#include <tqcombobox.h>
#include <tqtimer.h>
#include <tqbuttongroup.h>
#include <tqradiobutton.h>
#include <tqfileinfo.h>
#include <tqtoolbutton.h>
#include <tqwhatsthis.h>
#ifdef HAVE_LIBART
#include <svgicons/ksvgiconengine.h>
#include <svgicons/ksvgiconpainter.h>
#endif
class KIconCanvas::KIconCanvasPrivate
{
public:
KIconCanvasPrivate() { m_bLoading = false; }
~KIconCanvasPrivate() {}
bool m_bLoading;
};
/**
* Helper class for sorting icon paths by icon name
*/
class IconPath : public TQString
{
protected:
TQString m_iconName;
public:
IconPath(const TQString &ip) : TQString (ip)
{
int n = findRev('/');
m_iconName = (n==-1) ? static_cast<TQString>(*this) : mid(n+1);
}
IconPath() : TQString ()
{ }
bool operator== (const IconPath &ip) const
{ return m_iconName == ip.m_iconName; }
bool operator< (const IconPath &ip) const
{ return m_iconName < ip.m_iconName; }
};
/*
* KIconCanvas: Iconview for the iconloader dialog.
*/
KIconCanvas::KIconCanvas(TQWidget *parent, const char *name)
: KIconView(parent, name)
{
d = new KIconCanvasPrivate;
mpTimer = new TQTimer(this);
connect(mpTimer, TQT_SIGNAL(timeout()), TQT_SLOT(slotLoadFiles()));
connect(this, TQT_SIGNAL(currentChanged(TQIconViewItem *)),
TQT_SLOT(slotCurrentChanged(TQIconViewItem *)));
setGridX(80);
setWordWrapIconText(false);
setShowToolTips(true);
}
KIconCanvas::~KIconCanvas()
{
delete mpTimer;
delete d;
}
void KIconCanvas::loadFiles(const TQStringList& files)
{
clear();
mFiles = files;
emit startLoading(mFiles.count());
mpTimer->start(10, true); // #86680
d->m_bLoading = false;
}
void KIconCanvas::slotLoadFiles()
{
setResizeMode(Fixed);
TQApplication::setOverrideCursor(tqwaitCursor);
// disable updates to not trigger paint events when adding child items
tqsetUpdatesEnabled( false );
#ifdef HAVE_LIBART
KSVGIconEngine *svgEngine = new KSVGIconEngine();
#endif
d->m_bLoading = true;
int i;
TQStringList::ConstIterator it;
uint emitProgress = 10; // so we will emit it once in the beginning
TQStringList::ConstIterator end(mFiles.end());
for (it=mFiles.begin(), i=0; it!=end; ++it, i++)
{
// Calling kapp->processEvents() makes the iconview flicker like hell
// (it's being repainted once for every new item), so we don't do this.
// Instead, we directly tqrepaint the progress bar without going through
// the event-loop. We do that just once for every 10th item so that
// the progress bar doesn't flicker in turn. (pfeiffer)
if ( emitProgress >= 10 ) {
emit progress(i);
emitProgress = 0;
}
emitProgress++;
// kapp->processEvents();
if ( !d->m_bLoading ) // user clicked on a button that will load another set of icons
break;
TQImage img;
// Use the extension as the format. Works for XPM and PNG, but not for SVG
TQString path= *it;
TQString ext = path.right(3).upper();
if (ext != "SVG" && ext != "VGZ")
img.load(*it);
#ifdef HAVE_LIBART
else
if (svgEngine->load(60, 60, *it))
img = *svgEngine->painter()->image();
#endif
if (img.isNull())
continue;
if (img.width() > 60 || img.height() > 60)
{
if (img.width() > img.height())
{
int height = (int) ((60.0 / img.width()) * img.height());
img = img.smoothScale(60, height);
} else
{
int width = (int) ((60.0 / img.height()) * img.width());
img = img.smoothScale(width, 60);
}
}
TQPixmap pm;
pm.convertFromImage(img);
TQFileInfo fi(*it);
TQIconViewItem *item = new TQIconViewItem(this, fi.baseName(), pm);
item->setKey(*it);
item->setDragEnabled(false);
item->setDropEnabled(false);
}
#ifdef HAVE_LIBART
delete svgEngine;
#endif
// enable updates since we have to draw the whole view now
tqsetUpdatesEnabled( true );
TQApplication::restoreOverrideCursor();
d->m_bLoading = false;
emit finished();
setResizeMode(Adjust);
}
TQString KIconCanvas::getCurrent() const
{
if (!currentItem())
return TQString::null;
return currentItem()->key();
}
void KIconCanvas::stopLoading()
{
d->m_bLoading = false;
}
void KIconCanvas::slotCurrentChanged(TQIconViewItem *item)
{
emit nameChanged((item != 0L) ? item->text() : TQString::null);
}
class KIconDialog::KIconDialogPrivate
{
public:
KIconDialogPrivate() {
m_bStrictIconSize = true;
m_bLockUser = false;
m_bLockCustomDir = false;
searchLine = 0;
}
~KIconDialogPrivate() {}
bool m_bStrictIconSize, m_bLockUser, m_bLockCustomDir;
TQString custom;
TQString customLocation;
KIconViewSearchLine *searchLine;
};
/*
* KIconDialog: Dialog for selecting icons. Both system and user
* specified icons can be chosen.
*/
KIconDialog::KIconDialog(TQWidget *parent, const char *name)
: KDialogBase(parent, name, true, i18n("Select Icon"), Ok|Cancel, Ok)
{
d = new KIconDialogPrivate;
mpLoader = KGlobal::iconLoader();
init();
}
KIconDialog::KIconDialog(KIconLoader *loader, TQWidget *parent,
const char *name)
: KDialogBase(parent, name, true, i18n("Select Icon"), Ok|Cancel, Ok)
{
d = new KIconDialogPrivate;
mpLoader = loader;
init();
}
void KIconDialog::init()
{
mGroupOrSize = KIcon::Desktop;
mContext = KIcon::Any;
mType = 0;
mFileList = KGlobal::dirs()->findAllResources("appicon", TQString::tqfromLatin1("*.png"));
TQWidget *main = new TQWidget( this );
setMainWidget(main);
TQVBoxLayout *top = new TQVBoxLayout(main);
top->setSpacing( spacingHint() );
TQButtonGroup *bgroup = new TQButtonGroup(0, Qt::Vertical, i18n("Icon Source"), main);
bgroup->tqlayout()->setSpacing(KDialog::spacingHint());
bgroup->tqlayout()->setMargin(KDialog::marginHint());
top->addWidget(bgroup);
connect(bgroup, TQT_SIGNAL(clicked(int)), TQT_SLOT(slotButtonClicked(int)));
TQGridLayout *grid = new TQGridLayout(bgroup->tqlayout(), 3, 2);
mpRb1 = new TQRadioButton(i18n("S&ystem icons:"), bgroup);
grid->addWidget(mpRb1, 1, 0);
mpCombo = new TQComboBox(bgroup);
connect(mpCombo, TQT_SIGNAL(activated(int)), TQT_SLOT(slotContext(int)));
grid->addWidget(mpCombo, 1, 1);
mpRb2 = new TQRadioButton(i18n("O&ther icons:"), bgroup);
grid->addWidget(mpRb2, 2, 0);
mpBrowseBut = new TQPushButton(i18n("&Browse..."), bgroup);
grid->addWidget(mpBrowseBut, 2, 1);
//
// ADD SEARCHLINE
//
TQHBoxLayout *searchLayout = new TQHBoxLayout(0, 0, KDialog::spacingHint());
top->addLayout(searchLayout);
TQToolButton *clearSearch = new TQToolButton(main);
clearSearch->setTextLabel(i18n("Clear Search"), true);
clearSearch->setIconSet(SmallIconSet(TQApplication::reverseLayout() ? "clear_left" :"locationbar_erase"));
searchLayout->addWidget(clearSearch);
TQLabel *searchLabel = new TQLabel(i18n("&Search:"), main);
searchLayout->addWidget(searchLabel);
d->searchLine = new KIconViewSearchLine(main, "searchLine");
searchLayout->addWidget(d->searchLine);
searchLabel->setBuddy(d->searchLine);
// signals and slots connections
connect(clearSearch, TQT_SIGNAL(clicked()), d->searchLine, TQT_SLOT(clear()));
TQString wtstr = i18n("Search interactively for icon names (e.g. folder).");
TQWhatsThis::add(searchLabel, wtstr);
TQWhatsThis::add(d->searchLine, wtstr);
mpCanvas = new KIconCanvas(main);
connect(mpCanvas, TQT_SIGNAL(executed(TQIconViewItem *)), TQT_SLOT(slotAcceptIcons()));
connect(mpCanvas, TQT_SIGNAL(returnPressed(TQIconViewItem *)), TQT_SLOT(slotAcceptIcons()));
mpCanvas->setMinimumSize(400, 125);
top->addWidget(mpCanvas);
d->searchLine->setIconView(mpCanvas);
mpProgress = new KProgress(main);
top->addWidget(mpProgress);
connect(mpCanvas, TQT_SIGNAL(startLoading(int)), TQT_SLOT(slotStartLoading(int)));
connect(mpCanvas, TQT_SIGNAL(progress(int)), TQT_SLOT(slotProgress(int)));
connect(mpCanvas, TQT_SIGNAL(finished()), TQT_SLOT(slotFinished()));
// When pressing Ok or Cancel, stop loading icons
connect(this, TQT_SIGNAL(hidden()), mpCanvas, TQT_SLOT(stopLoading()));
static const char* const context_text[] = {
I18N_NOOP( "Actions" ),
I18N_NOOP( "Animations" ),
I18N_NOOP( "Applications" ),
I18N_NOOP( "Categories" ),
I18N_NOOP( "Devices" ),
I18N_NOOP( "Emblems" ),
I18N_NOOP( "Emotes" ),
I18N_NOOP( "Filesystems" ),
I18N_NOOP( "International" ),
I18N_NOOP( "Mimetypes" ),
I18N_NOOP( "Places" ),
I18N_NOOP( "Status" ) };
static const KIcon::Context context_id[] = {
KIcon::Action,
KIcon::Animation,
KIcon::Application,
KIcon::Category,
KIcon::Device,
KIcon::Emblem,
KIcon::Emote,
KIcon::FileSystem,
KIcon::International,
KIcon::MimeType,
KIcon::Place,
KIcon::StatusIcon };
mNumContext = 0;
int cnt = sizeof( context_text ) / sizeof( context_text[ 0 ] );
// check all 3 arrays have same sizes
assert( cnt == sizeof( context_id ) / sizeof( context_id[ 0 ] )
&& cnt == sizeof( mContextMap ) / sizeof( mContextMap[ 0 ] ));
for( int i = 0;
i < cnt;
++i )
{
if( mpLoader->hasContext( context_id[ i ] ))
{
mpCombo->insertItem(i18n( context_text[ i ] ));
mContextMap[ mNumContext++ ] = context_id[ i ];
}
}
mpCombo->setFixedSize(mpCombo->sizeHint());
mpBrowseBut->setFixedWidth(mpCombo->width());
// Make the dialog a little taller
incInitialSize(TQSize(0,100));
}
KIconDialog::~KIconDialog()
{
delete d;
}
void KIconDialog::slotAcceptIcons()
{
d->custom=TQString::null;
slotOk();
}
void KIconDialog::showIcons()
{
mpCanvas->clear();
TQStringList filelist;
if (mType == 0)
if (d->m_bStrictIconSize)
filelist=mpLoader->queryIcons(mGroupOrSize, mContext);
else
filelist=mpLoader->queryIconsByContext(mGroupOrSize, mContext);
else if ( !d->customLocation.isNull() )
filelist=mpLoader->queryIconsByDir( d->customLocation );
else
filelist=mFileList;
TQSortedList <IconPath>iconlist;
iconlist.setAutoDelete(true);
TQStringList::Iterator it;
for( it = filelist.begin(); it != filelist.end(); ++it )
iconlist.append(new IconPath(*it));
iconlist.sort();
filelist.clear();
for ( IconPath *ip=iconlist.first(); ip != 0; ip=iconlist.next() )
filelist.append(*ip);
d->searchLine->clear();
mpCanvas->loadFiles(filelist);
}
void KIconDialog::setStrictIconSize(bool b)
{
d->m_bStrictIconSize=b;
}
bool KIconDialog::strictIconSize() const
{
return d->m_bStrictIconSize;
}
void KIconDialog::setIconSize( int size )
{
// see KIconLoader, if you think this is weird
if ( size == 0 )
mGroupOrSize = KIcon::Desktop; // default Group
else
mGroupOrSize = -size; // yes, KIconLoader::queryIconsByContext is weird
}
int KIconDialog::iconSize() const
{
// 0 or any other value ==> mGroupOrSize is a group, so we return 0
return (mGroupOrSize < 0) ? -mGroupOrSize : 0;
}
#ifndef KDE_NO_COMPAT
TQString KIconDialog::selectIcon(KIcon::Group group, KIcon::Context context, bool user)
{
setup( group, context, false, 0, user );
return openDialog();
}
#endif
void KIconDialog::setup(KIcon::Group group, KIcon::Context context,
bool strictIconSize, int iconSize, bool user )
{
d->m_bStrictIconSize = strictIconSize;
mGroupOrSize = (iconSize == 0) ? group : -iconSize;
mType = user ? 1 : 0;
mpRb1->setChecked(!user);
mpRb2->setChecked(user);
mpCombo->setEnabled(!user);
mpBrowseBut->setEnabled(user);
setContext( context );
}
void KIconDialog::setup(KIcon::Group group, KIcon::Context context,
bool strictIconSize, int iconSize, bool user,
bool lockUser, bool lockCustomDir )
{
d->m_bStrictIconSize = strictIconSize;
d->m_bLockUser = lockUser;
d->m_bLockCustomDir = lockCustomDir;
mGroupOrSize = (iconSize == 0) ? group : -iconSize;
mType = user ? 1 : 0;
mpRb1->setChecked(!user);
mpRb1->setEnabled( !lockUser || !user );
mpRb2->setChecked(user);
mpRb2->setEnabled( !lockUser || user );
mpCombo->setEnabled(!user);
mpBrowseBut->setEnabled( user && !lockCustomDir );
setContext( context );
}
void KIconDialog::setContext( KIcon::Context context )
{
mContext = context;
for( int i = 0;
i < mNumContext;
++i )
if( mContextMap[ i ] == context )
{
mpCombo->setCurrentItem( i );
return;
}
}
void KIconDialog::setCustomLocation( const TQString& location )
{
d->customLocation = location;
}
TQString KIconDialog::openDialog()
{
showIcons();
if ( exec() == Accepted )
{
if (!d->custom.isNull())
return d->custom;
TQString name = mpCanvas->getCurrent();
if (name.isEmpty() || (mType == 1))
return name;
TQFileInfo fi(name);
return fi.baseName();
}
return TQString::null;
}
void KIconDialog::showDialog()
{
setModal(false);
showIcons();
show();
}
void KIconDialog::slotOk()
{
TQString name;
if (!d->custom.isNull())
{
name = d->custom;
}
else
{
name = mpCanvas->getCurrent();
if (!name.isEmpty() && (mType != 1))
{
TQFileInfo fi(name);
name = fi.baseName();
}
}
emit newIconName(name);
KDialogBase::slotOk();
}
TQString KIconDialog::getIcon(KIcon::Group group, KIcon::Context context,
bool strictIconSize, int iconSize, bool user,
TQWidget *parent, const TQString &caption)
{
KIconDialog dlg(parent, "icon dialog");
dlg.setup( group, context, strictIconSize, iconSize, user );
if (!caption.isNull())
dlg.setCaption(caption);
return dlg.openDialog();
}
void KIconDialog::slotButtonClicked(int id)
{
TQString file;
switch (id)
{
case 0:
if(mType!=0)
{
mType = 0;
mpBrowseBut->setEnabled(false);
mpCombo->setEnabled(true);
showIcons();
}
break;
case 1:
if(mType!=1)
{
mType = 1;
mpBrowseBut->setEnabled( !d->m_bLockCustomDir );
mpCombo->setEnabled(false);
showIcons();
}
break;
case 2:
{
// Create a file dialog to select a PNG, XPM or SVG file,
// with the image previewer shown.
// KFileDialog::getImageOpenURL doesn't allow svg.
KFileDialog dlg(TQString::null, i18n("*.png *.xpm *.svg *.svgz|Icon Files (*.png *.xpm *.svg *.svgz)"),
this, "filedialog", true);
dlg.setOperationMode( KFileDialog::Opening );
dlg.setCaption( i18n("Open") );
dlg.setMode( KFile::File );
KImageFilePreview *ip = new KImageFilePreview( &dlg );
dlg.setPreviewWidget( ip );
dlg.exec();
file = dlg.selectedFile();
if (!file.isEmpty())
{
d->custom = file;
if ( mType == 1 )
d->customLocation = TQFileInfo( file ).dirPath( true );
slotOk();
}
}
break;
}
}
void KIconDialog::slotContext(int id)
{
mContext = static_cast<KIcon::Context>( mContextMap[ id ] );
showIcons();
}
void KIconDialog::slotStartLoading(int steps)
{
if (steps < 10)
mpProgress->hide();
else
{
mpProgress->setTotalSteps(steps);
mpProgress->setProgress(0);
mpProgress->show();
}
}
void KIconDialog::slotProgress(int p)
{
mpProgress->setProgress(p);
// commented out the following since setProgress already paints ther
// progress bar. ->tqrepaint() only makes it flicker
//mpProgress->tqrepaint();
}
void KIconDialog::slotFinished()
{
mpProgress->hide();
}
class KIconButton::KIconButtonPrivate
{
public:
KIconButtonPrivate() {
m_bStrictIconSize = false;
iconSize = 0; // let KIconLoader choose the default
}
~KIconButtonPrivate() {}
bool m_bStrictIconSize;
int iconSize;
};
/*
* KIconButton: A "choose icon" pushbutton.
*/
KIconButton::KIconButton(TQWidget *parent, const char *name)
: TQPushButton(parent, name)
{
init( KGlobal::iconLoader() );
}
KIconButton::KIconButton(KIconLoader *loader,
TQWidget *parent, const char *name)
: TQPushButton(parent, name)
{
init( loader );
}
void KIconButton::init( KIconLoader *loader )
{
d = new KIconButtonPrivate;
mGroup = KIcon::Desktop;
mContext = KIcon::Application;
mbUser = false;
mpLoader = loader;
mpDialog = 0L;
connect(this, TQT_SIGNAL(clicked()), TQT_SLOT(slotChangeIcon()));
}
KIconButton::~KIconButton()
{
delete mpDialog;
delete d;
}
void KIconButton::setStrictIconSize(bool b)
{
d->m_bStrictIconSize=b;
}
bool KIconButton::strictIconSize() const
{
return d->m_bStrictIconSize;
}
void KIconButton::setIconSize( int size )
{
d->iconSize = size;
}
int KIconButton::iconSize() const
{
return d->iconSize;
}
void KIconButton::setIconType(KIcon::Group group, KIcon::Context context, bool user)
{
mGroup = group;
mContext = context;
mbUser = user;
}
void KIconButton::setIcon(const TQString& icon)
{
mIcon = icon;
setIconSet(mpLoader->loadIconSet(mIcon, mGroup, d->iconSize));
if (!mpDialog)
{
mpDialog = new KIconDialog(mpLoader, this);
connect(mpDialog, TQT_SIGNAL(newIconName(const TQString&)), TQT_SLOT(newIconName(const TQString&)));
}
if ( mbUser )
mpDialog->setCustomLocation( TQFileInfo( mpLoader->iconPath(mIcon, mGroup, true) ).dirPath( true ) );
}
void KIconButton::resetIcon()
{
mIcon = TQString::null;
setIconSet(TQIconSet());
}
void KIconButton::slotChangeIcon()
{
if (!mpDialog)
{
mpDialog = new KIconDialog(mpLoader, this);
connect(mpDialog, TQT_SIGNAL(newIconName(const TQString&)), TQT_SLOT(newIconName(const TQString&)));
}
mpDialog->setup( mGroup, mContext, d->m_bStrictIconSize, d->iconSize, mbUser );
mpDialog->showDialog();
}
void KIconButton::newIconName(const TQString& name)
{
if (name.isEmpty())
return;
TQIconSet iconset = mpLoader->loadIconSet(name, mGroup, d->iconSize);
setIconSet(iconset);
mIcon = name;
if ( mbUser )
mpDialog->setCustomLocation( TQFileInfo( mpLoader->iconPath(mIcon, mGroup, true) ).dirPath( true ) );
emit iconChanged(name);
}
void KIconCanvas::virtual_hook( int id, void* data )
{ KIconView::virtual_hook( id, data ); }
void KIconDialog::virtual_hook( int id, void* data )
{ KDialogBase::virtual_hook( id, data ); }
#include "kicondialog.moc"
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