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k3b/src/k3bfiletreeview.cpp

729 lines
20 KiB

/*
*
* $Id: k3bfiletreeview.cpp 657858 2007-04-25 08:25:11Z trueg $
* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* 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.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3bfiletreeview.h"
#include "k3bappdevicemanager.h"
#include "k3bapplication.h"
#include "k3bmediacache.h"
#include "k3btooltip.h"
#include "k3bthememanager.h"
#include <k3bdevice.h>
#include <k3bdiskinfo.h>
#include <k3bglobals.h>
#include <kiconloader.h>
#include <klocale.h>
#include <kurl.h>
#include <kstandarddirs.h>
#include <kaction.h>
#include <kio/global.h>
#include <kfileitem.h>
#include <kapplication.h>
#include <kglobalsettings.h>
#include <tqdir.h>
#include <tqevent.h>
#include <tqdragobject.h>
#include <tqcursor.h>
#include <tqnamespace.h>
#include <tqmap.h>
#include <tqptrdict.h>
#include <tqpainter.h>
#include <tqfont.h>
#include <tqstyle.h>
#include <tqlabel.h>
#include <tqlayout.h>
K3bDeviceBranch::K3bDeviceBranch( KFileTreeView* view, K3bDevice::Device* dev, KFileTreeViewItem* item )
: KFileTreeBranch( view,
KURL( "media:/" + dev->blockDeviceName() ),
TQString("%1 - %2").tqarg(dev->vendor()).tqarg(dev->description()),
( dev->burner()
? SmallIcon("cdwriter_unmount")
: SmallIcon("cdrom_unmount") ),
false,
item == 0
? new K3bDeviceBranchViewItem( view, dev, this )
: item ),
m_device( dev ),
m_showBlockDeviceName( false )
{
setAutoUpdate(true);
root()->setExpandable(false);
updateLabel();
connect( k3bappcore->mediaCache(), TQT_SIGNAL(mediumChanged(K3bDevice::Device*)),
this, TQT_SLOT(slotMediumChanged(K3bDevice::Device*)) );
}
bool K3bDeviceBranch::populate( const KURL& url, KFileTreeViewItem *currItem )
{
// FIXME: we somehow need to "unpopulate" once the medium is unmounted
// make sure we do not try to populate in case we are not mounted
if( K3b::isMounted( m_device ) ) {
bool b = KFileTreeBranch::populate( url, currItem );
populateFinished( currItem );
return b;
}
else
populateFinished( currItem );
return true;
}
void K3bDeviceBranch::setCurrent( bool c )
{
static_cast<K3bDeviceBranchViewItem*>( root() )->setCurrent( c );
}
void K3bDeviceBranch::updateLabel()
{
if( m_showBlockDeviceName )
setName( TQString("%1 %2 (%3)")
.tqarg(m_device->vendor())
.tqarg(m_device->description())
.tqarg(m_device->blockDeviceName()) );
else
setName( TQString("%1 %2")
.tqarg(m_device->vendor())
.tqarg(m_device->description()) );
if( k3bappcore->mediaCache() ) {
root()->setMultiLinesEnabled( true );
root()->setText( 0, name() + "\n" + k3bappcore->mediaCache()->mediumString( m_device ) );
static_cast<K3bFileTreeView*>( root()->listView() )->updateMinimumWidth();
}
else {
root()->setMultiLinesEnabled( false );
root()->setText( 0, name() );
}
}
void K3bDeviceBranch::slotMediumChanged( K3bDevice::Device* dev )
{
if( dev == m_device )
updateLabel();
}
void K3bDeviceBranch::showBlockDeviceName( bool b )
{
m_showBlockDeviceName = b;
updateLabel();
}
K3bFileTreeBranch::K3bFileTreeBranch( KFileTreeView* view,
const KURL& url,
const TQString& name,
const TQPixmap& pix,
bool showHidden,
KFileTreeViewItem* item )
: KFileTreeBranch( view, url, name, pix, showHidden,
item == 0
? new K3bFileTreeViewItem( view,
new KFileItem( url, "inode/directory",
S_IFDIR ),
this )
: item )
{
}
K3bDeviceBranchViewItem::K3bDeviceBranchViewItem( KFileTreeViewItem* parent,
K3bDevice::Device* dev,
K3bDeviceBranch* branch )
: KFileTreeViewItem( parent,
new KFileItem( KURL( "media:/" + dev->blockDeviceName() ),
"inode/directory",
S_IFDIR ),
branch ),
m_bCurrent( false ),
m_device( dev )
{
}
K3bDeviceBranchViewItem::K3bDeviceBranchViewItem( KFileTreeView* parent,
K3bDevice::Device* dev,
K3bDeviceBranch* branch )
: KFileTreeViewItem( parent,
new KFileItem( KURL( "media:/" + dev->blockDeviceName() ),
"inode/directory",
S_IFDIR ),
branch ),
m_bCurrent( false ),
m_device( dev )
{
}
void K3bDeviceBranchViewItem::setCurrent( bool c )
{
m_bCurrent = c;
tqrepaint();
}
void K3bDeviceBranchViewItem::paintCell( TQPainter* p, const TQColorGroup& cg, int /* col */, int width, int align )
{
p->save();
int xpos = 1;
int ypos = 1;
TQFontMetrics fm( p->fontMetrics() );
if( isSelected() ) {
p->fillRect( 0, 0, width, height(),
cg.brush( TQColorGroup::Highlight ) );
p->setPen( cg.highlightedText() );
}
else {
p->fillRect( 0, 0, width, height(), cg.base() );
p->setPen( cg.text() );
}
if( pixmap(0) ) {
p->drawPixmap( xpos, ypos, *pixmap(0) );
xpos += pixmap(0)->width() + 5;
}
if( m_bCurrent ) {
TQFont f( listView()->font() );
f.setBold( true );
p->setFont( f );
}
ypos += fm.ascent();
TQString line1 = text(0).left( text(0).find('\n') );
p->drawText( xpos, ypos, line1 );
TQFont f( listView()->font() );
f.setItalic( true );
f.setBold( false );
f.setPointSize( f.pointSize() - 2 );
p->setFont( f );
ypos += p->fontMetrics().height() + 1;
TQString line2 = text(0).mid( text(0).find('\n')+1 );
p->drawText( xpos - p->fontMetrics().leftBearing( line2[0] ), ypos, line2 );
// from TQListViewItem
if( isOpen() && childCount() ) {
int textheight = fm.size( align, text(0) ).height() + 2 * listView()->itemMargin();
textheight = TQMAX( textheight, TQApplication::globalStrut().height() );
if ( textheight % 2 > 0 )
textheight++;
if ( textheight < height() ) {
int w = listView()->treeStepSize() / 2;
listView()->tqstyle().tqdrawComplexControl( TQStyle::CC_ListView, p, listView(),
TQRect( 0, textheight, w + 1, height() - textheight + 1 ), cg,
TQStyle::Style_Enabled,
TQStyle::SC_ListViewExpand,
(uint)TQStyle::SC_All, TQStyleOption( this ) );
}
}
p->restore();
}
int K3bDeviceBranchViewItem::widthHint() const
{
TQFont f( listView()->font() );
if ( m_bCurrent ) {
f.setBold( true );
}
int w = TQFontMetrics(f).width( text(0).left( text(0).find('\n') ) );
f.setItalic( true );
f.setBold( false );
f.setPointSize( f.pointSize() - 2 );
w = TQMAX( w, TQFontMetrics(f).width( text(0).mid( text(0).find('\n')+1 ) ) );
w++; // see paintCell
if( pixmap(0) )
w += pixmap(0)->width() + 5;
return w;
}
TQString K3bDeviceBranchViewItem::key( int column, bool ascending ) const
{
return "0" + KFileTreeViewItem::key( column, ascending );
}
K3bFileTreeViewItem::K3bFileTreeViewItem( KFileTreeViewItem* parent, KFileItem* item, KFileTreeBranch* branch )
: KFileTreeViewItem( parent, item, branch )
{
}
K3bFileTreeViewItem::K3bFileTreeViewItem( KFileTreeView* parent, KFileItem* item, KFileTreeBranch* branch )
: KFileTreeViewItem( parent, item, branch )
{
}
TQString K3bFileTreeViewItem::key( int column, bool ascending ) const
{
return "1" + KFileTreeViewItem::key( column, ascending );
}
class K3bDeviceTreeToolTip : public K3bToolTip
{
public:
K3bDeviceTreeToolTip( TQWidget* parent, K3bFileTreeView* lv );
void maybeTip( const TQPoint &pos );
private:
K3bFileTreeView* m_view;
};
K3bDeviceTreeToolTip::K3bDeviceTreeToolTip( TQWidget* parent, K3bFileTreeView* lv )
: K3bToolTip( parent ),
m_view( lv )
{
setTipTimeout( 500 );
}
void K3bDeviceTreeToolTip::maybeTip( const TQPoint& pos )
{
if( !parentWidget() || !m_view )
return;
K3bDeviceBranchViewItem* item = dynamic_cast<K3bDeviceBranchViewItem*>( m_view->itemAt( pos ) );
if( !item )
return;
K3bDevice::Device* dev = static_cast<K3bDeviceBranch*>( item->branch() )->device();
TQFrame* tooltip = new TQFrame( parentWidget() );
tooltip->setFrameStyle( TQFrame::Panel | TQFrame::Raised );
tooltip->setFrameShape( TQFrame::StyledPanel );
TQGridLayout* lay = new TQGridLayout( tooltip, 2, 2, tooltip->frameWidth()*2 /*margin*/, 6 /*spacing*/ );
TQString text = k3bappcore->mediaCache()->medium( dev ).longString();
int detailsStart = text.find( "<p>", 3 );
TQString details = text.mid( detailsStart );
text.truncate( detailsStart );
TQLabel* label = new TQLabel( text, tooltip );
label->setMargin( 9 );
lay->addMultiCellWidget( label, 0, 0, 0, 1 );
label = new TQLabel( details, tooltip );
label->setMargin( 9 );
label->tqsetAlignment( Qt::Vertical );
lay->addMultiCellWidget( label, 1, 2, 0, 0 );
label = new TQLabel( tooltip );
lay->addWidget( label, 2, 1 );
lay->setColStretch( 0, 1 );
if( K3bTheme* theme = k3bappcore->themeManager()->currentTheme() ) {
tooltip->setPaletteBackgroundColor( theme->backgroundColor() );
tooltip->setPaletteForegroundColor( theme->foregroundColor() );
K3bTheme::PixmapType pm;
int c = k3bappcore->mediaCache()->medium( dev ).content();
if( c & (K3bMedium::CONTENT_VIDEO_CD|K3bMedium::CONTENT_VIDEO_DVD) )
pm = K3bTheme::MEDIA_VIDEO;
else if( c & K3bMedium::CONTENT_AUDIO &&
c & K3bMedium::CONTENT_DATA )
pm = K3bTheme::MEDIA_MIXED;
else if( c & K3bMedium::CONTENT_AUDIO )
pm = K3bTheme::MEDIA_AUDIO;
else if( c & K3bMedium::CONTENT_DATA )
pm = K3bTheme::MEDIA_DATA;
else {
K3bDevice::DiskInfo di = k3bappcore->mediaCache()->diskInfo( dev );
if( di.diskState() == K3bDevice::STATE_EMPTY )
pm = K3bTheme::MEDIA_EMPTY;
else
pm = K3bTheme::MEDIA_NONE;
}
label->setPixmap( theme->pixmap( pm ) );
}
// the tooltip will take care of deleting the widget
tip( m_view->tqitemRect( item ), tooltip );
}
class K3bFileTreeView::Private
{
public:
Private()
: deviceManager(0),
currentDeviceBranch(0) {
}
TQPtrDict<K3bDeviceBranch> deviceBranchDict;
TQMap<KFileTreeBranch*, K3bDevice::Device*> branchDeviceMap;
K3bDevice::DeviceManager* deviceManager;
K3bDeviceBranch* currentDeviceBranch;
K3bDeviceTreeToolTip* toolTip;
};
K3bFileTreeView::K3bFileTreeView( TQWidget *parent, const char *name )
: KFileTreeView( parent, name )
{
d = new Private();
d->toolTip = new K3bDeviceTreeToolTip( viewport(), this );
addColumn( i18n("Directories") );
setDragEnabled( true );
setAlternateBackground( TQColor() );
setFullWidth(true);
// setRootIsDecorated(true);
setSorting(0);
m_dirOnlyMode = true;
m_menuEnabled = false;
connect( this, TQT_SIGNAL(executed(TQListViewItem*)), this, TQT_SLOT(slotItemExecuted(TQListViewItem*)) );
connect( this, TQT_SIGNAL(returnPressed(TQListViewItem*)), this, TQT_SLOT(slotItemExecuted(TQListViewItem*)) );
connect( this, TQT_SIGNAL(contextMenu(KListView*, TQListViewItem* , const TQPoint& )),
this, TQT_SLOT(slotContextMenu(KListView*, TQListViewItem* , const TQPoint& )) );
// we always simulate the single click
slotSettingsChangedK3b(KApplication::SETTINGS_MOUSE);
if( kapp )
connect( kapp, TQT_SIGNAL(settingsChanged(int)), TQT_SLOT(slotSettingsChangedK3b(int)) );
initActions();
}
K3bFileTreeView::~K3bFileTreeView()
{
delete d;
}
void K3bFileTreeView::clear()
{
KFileTreeView::clear();
if( d->deviceManager )
d->deviceManager->disconnect( this );
d->deviceManager = 0;
}
void K3bFileTreeView::initActions()
{
// m_actionCollection = new KActionCollection( this );
// m_devicePopupMenu = new KActionMenu( m_actionCollection, "device_popup_menu" );
// m_urlPopupMenu = new KActionMenu( m_actionCollection, "url_popup_menu" );
// KAction* actionDiskInfo = new KAction( i18n("&Disk Info"), "info", 0, this, TQT_SLOT(slotShowDiskInfo()),
// m_actionCollection, "disk_info");
// KAction* actionUnmount = new KAction( i18n("&Unmount"), "cdrom_unmount", 0, this, TQT_SLOT(slotUnmountDisk()),
// m_actionCollection, "disk_unmount");
// KAction* actionEject = new KAction( i18n("&Eject"), "", 0, this, TQT_SLOT(slotEjectDisk()),
// m_actionCollection, "disk_eject");
// m_devicePopupMenu->insert( actionDiskInfo );
// m_devicePopupMenu->insert( new KActionSeparator( this ) );
// m_devicePopupMenu->insert( actionUnmount );
// m_devicePopupMenu->insert( actionEject );
}
void K3bFileTreeView::addDefaultBranches()
{
KURL home = KURL::fromPathOrURL( TQDir::homeDirPath() );
KURL root = KURL( "file:/" );
KFileTreeBranch* treeBranch = addBranch( new K3bFileTreeBranch( this, root, i18n("Root"), SmallIcon("folder_red") ) );
treeBranch = addBranch( new K3bFileTreeBranch( this, home, i18n("Home"), SmallIcon("folder_home") ) );
treeBranch->setOpen( true );
}
void K3bFileTreeView::addCdDeviceBranches( K3bDevice::DeviceManager* dm )
{
kdDebug() << "(K3bFileTreeView::addCdDeviceBranches)" << endl;
// remove all previous added device branches
for( TQMap<KFileTreeBranch*, K3bDevice::Device*>::Iterator it = d->branchDeviceMap.begin();
it != d->branchDeviceMap.end(); ++it ) {
removeBranch( it.key() );
}
// clear the maps
d->branchDeviceMap.clear();
d->deviceBranchDict.clear();
for( TQPtrListIterator<K3bDevice::Device> it( dm->allDevices() ); *it; ++it )
addDeviceBranch( *it );
if( dm != d->deviceManager ) {
if( d->deviceManager )
d->deviceManager->disconnect( this );
d->deviceManager = dm;
// make sure we get changes to the config
connect( dm, TQT_SIGNAL(changed(K3bDevice::DeviceManager*)),
this, TQT_SLOT(addCdDeviceBranches(K3bDevice::DeviceManager*)) );
if( K3bAppDeviceManager* appDevM = dynamic_cast<K3bAppDeviceManager*>( dm ) )
connect( appDevM, TQT_SIGNAL(currentDeviceChanged(K3bDevice::Device*)),
this, TQT_SLOT(setCurrentDevice(K3bDevice::Device*)) );
}
K3bDevice::Device* currentDevice = k3bappcore->appDeviceManager()->currentDevice();
if ( !currentDevice && !k3bappcore->appDeviceManager()->allDevices().isEmpty() ) {
k3bappcore->appDeviceManager()->setCurrentDevice( k3bappcore->appDeviceManager()->allDevices().getFirst() );
}
d->currentDeviceBranch = d->deviceBranchDict[currentDevice];
if( d->currentDeviceBranch ) {
d->currentDeviceBranch->setCurrent( true );
}
kdDebug() << "(K3bFileTreeView::addCdDeviceBranches) done" << endl;
}
void K3bFileTreeView::addDeviceBranch( K3bDevice::Device* dev )
{
K3bDeviceBranch* newBranch = new K3bDeviceBranch( this, dev );
addBranch( newBranch );
// search for an equal device
int equalCnt = 0;
K3bDeviceBranch* equalBranch = 0;
for( TQMap<KFileTreeBranch*, K3bDevice::Device*>::Iterator it = d->branchDeviceMap.begin();
it != d->branchDeviceMap.end(); ++it ) {
K3bDevice::Device* itDev = it.data();
K3bDeviceBranch* itBranch = (K3bDeviceBranch*)it.key();
if( itDev->vendor() == dev->vendor() &&
itDev->description() == dev->description() ) {
++equalCnt;
equalBranch = itBranch;
}
}
// if there is at least one equal device add the block device name
// if there is more than one equal device they have been updated after
// adding the last one so there is no need to update more than two
if( equalCnt > 0 ) {
kdDebug() << "(K3bFileTreeView) equal branch" << endl;
newBranch->showBlockDeviceName(true);
equalBranch->showBlockDeviceName(true);
}
// add to maps
d->branchDeviceMap.insert( newBranch, dev );
d->deviceBranchDict.insert( (void*)dev, newBranch );
updateMinimumWidth();
}
KFileTreeBranch* K3bFileTreeView::addBranch( KFileTreeBranch* branch )
{
KFileTreeBranch* newBranch = KFileTreeView::addBranch( branch );
newBranch->setChildRecurse( false );
setDirOnlyMode( newBranch, m_dirOnlyMode );
return newBranch;
}
KFileTreeBranch* K3bFileTreeView::addBranch( const KURL& url, const TQString& name, const TQPixmap& pix, bool showHidden )
{
KFileTreeBranch* newBranch = KFileTreeView::addBranch( url, name, pix, showHidden );
newBranch->setChildRecurse( false );
setDirOnlyMode( newBranch, m_dirOnlyMode );
return newBranch;
}
void K3bFileTreeView::slotItemExecuted( TQListViewItem* item )
{
KFileTreeViewItem* treeItem = static_cast<KFileTreeViewItem*>(item);
if( d->branchDeviceMap.contains( treeItem->branch() ) &&
treeItem == treeItem->branch()->root() ) {
K3bDevice::Device* dev = d->branchDeviceMap[treeItem->branch()];
k3bappcore->appDeviceManager()->setCurrentDevice( dev );
emit deviceExecuted( dev );
}
else
emit urlExecuted( treeItem->url() );
}
void K3bFileTreeView::setTreeDirOnlyMode( bool b )
{
m_dirOnlyMode = b;
}
void K3bFileTreeView::followUrl( const KURL& url )
{
// TODO: first try the current branch
KFileTreeBranchIterator it( branches() );
for( ; *it; ++it ) {
if( !d->branchDeviceMap.contains( *it ) )
if( KFileTreeViewItem* item = (*it)->findTVIByURL( url ) ) {
setCurrentItem( item );
setSelected(item, true);
ensureItemVisible( item );
return;
}
}
}
void K3bFileTreeView::slotContextMenu( KListView*, TQListViewItem* item, const TQPoint& p )
{
KFileTreeViewItem* treeItem = dynamic_cast<KFileTreeViewItem*>(item);
if( treeItem ) {
K3bDevice::Device* device = 0;
TQMap<KFileTreeBranch*, K3bDevice::Device*>::iterator devIt =
d->branchDeviceMap.find( treeItem->branch() );
if( devIt != d->branchDeviceMap.end() )
device = devIt.data();
setCurrentItem( treeItem );
setSelected( treeItem, true);
if( device ) {
k3bappcore->appDeviceManager()->setCurrentDevice( device );
emit contextMenu( device, p );
}
else
emit contextMenu( treeItem->url(), p );
}
else
kdWarning() << "(K3bFileTreeView) found viewItem that is no KFileTreeViewItem!" << endl;
}
K3bDevice::Device* K3bFileTreeView::selectedDevice() const
{
KFileTreeViewItem* treeItem = dynamic_cast<KFileTreeViewItem*>(selectedItem());
if( treeItem ) {
if( d->branchDeviceMap.contains( treeItem->branch() ) )
return d->branchDeviceMap[treeItem->branch()];
}
return 0;
}
KURL K3bFileTreeView::selectedUrl() const
{
KFileTreeViewItem* treeItem = dynamic_cast<KFileTreeViewItem*>(selectedItem());
if( treeItem ) {
if( !d->branchDeviceMap.contains( treeItem->branch() ) )
return treeItem->url();
}
return KURL();
}
void K3bFileTreeView::setCurrentDevice( K3bDevice::Device* dev )
{
if( d->currentDeviceBranch )
d->currentDeviceBranch->setCurrent( false );
if( dev ) {
if ( ( d->currentDeviceBranch = branch( dev ) ) )
d->currentDeviceBranch->setCurrent( true );
}
updateMinimumWidth();
}
void K3bFileTreeView::setSelectedDevice( K3bDevice::Device* dev )
{
setCurrentDevice( dev );
K3bDeviceBranch* b = branch( dev );
setCurrentItem( b->root() );
setSelected( b->root(), true );
}
K3bDeviceBranch* K3bFileTreeView::branch( K3bDevice::Device* dev )
{
return d->deviceBranchDict.find( (void*)dev );
}
void K3bFileTreeView::slotSettingsChangedK3b(int category)
{
// we force single click like konqueror does. This really should be done in KFileTreeView
if( category == KApplication::SETTINGS_MOUSE ) {
disconnect(this, TQT_SIGNAL(mouseButtonClicked(int, TQListViewItem*, const TQPoint &, int)),
this, TQT_SLOT(slotMouseButtonClickedK3b(int, TQListViewItem*, const TQPoint &, int)));
if( !KGlobalSettings::singleClick() )
connect(this, TQT_SIGNAL(mouseButtonClicked(int, TQListViewItem*, const TQPoint &, int)),
this, TQT_SLOT(slotMouseButtonClickedK3b(int, TQListViewItem*, const TQPoint &, int)));
}
}
void K3bFileTreeView::slotMouseButtonClickedK3b( int btn, TQListViewItem *item, const TQPoint &pos, int c )
{
if( (btn == Qt::LeftButton) && item )
emitExecute(item, pos, c);
}
void K3bFileTreeView::updateMinimumWidth()
{
//
// only handle the device branches, we don't care about the folders.
//
int w = 0;
for( TQMap<KFileTreeBranch*, K3bDevice::Device*>::Iterator it = d->branchDeviceMap.begin();
it != d->branchDeviceMap.end(); ++it ) {
w = TQMAX( w, static_cast<K3bDeviceBranchViewItem*>( it.key()->root() )->widthHint() );
}
// width of the items + scrollbar width + the frame + a little eyecandy spacing
setMinimumWidth( w + verticalScrollBar()->tqsizeHint().width() + 2*frameWidth() + 2 );
}
#include "k3bfiletreeview.moc"