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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2013-01-26 13:17:21 -0600 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2013-01-26 13:17:21 -0600 |
commit | dfe289850f068f19ba4a83ab4e7e22a7e09c13c9 (patch) | |
tree | c297348a55df66c571de4525646e0b9762427353 /tdehtml/tdehtmlimage.cpp | |
parent | b7658a0d5eca24a9d37c6e04f88298ef02389db0 (diff) | |
download | tdelibs-dfe289850f068f19ba4a83ab4e7e22a7e09c13c9.tar.gz tdelibs-dfe289850f068f19ba4a83ab4e7e22a7e09c13c9.zip |
Rename a number of libraries and executables to avoid conflicts with KDE4
Diffstat (limited to 'tdehtml/tdehtmlimage.cpp')
-rw-r--r-- | tdehtml/tdehtmlimage.cpp | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/tdehtml/tdehtmlimage.cpp b/tdehtml/tdehtmlimage.cpp new file mode 100644 index 000000000..cc244ed80 --- /dev/null +++ b/tdehtml/tdehtmlimage.cpp @@ -0,0 +1,357 @@ +/* This file is part of the KDE project + Copyright (C) 2000 Simon Hausmann <hausmann@kde.org> + + 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 "tdehtmlimage.h" +#include "tdehtmlview.h" +#include "tdehtml_ext.h" +#include "xml/dom_docimpl.h" +#include "html/html_documentimpl.h" +#include "html/html_elementimpl.h" +#include "rendering/render_image.h" +#include "misc/loader.h" + +#include <tqvbox.h> +#include <tqtimer.h> + +#include <kio/job.h> +#include <kinstance.h> +#include <kmimetype.h> +#include <klocale.h> + +K_EXPORT_COMPONENT_FACTORY( tdehtmlimagefactory /*NOT the part name, see Makefile.am*/, KHTMLImageFactory ) + +TDEInstance *KHTMLImageFactory::s_instance = 0; + +KHTMLImageFactory::KHTMLImageFactory() +{ + s_instance = new TDEInstance( "tdehtmlimage" ); +} + +KHTMLImageFactory::~KHTMLImageFactory() +{ + delete s_instance; +} + +KParts::Part *KHTMLImageFactory::createPartObject( TQWidget *parentWidget, const char *widgetName, + TQObject *parent, const char *name, + const char *className, const TQStringList & ) +{ + KHTMLPart::GUIProfile prof = KHTMLPart::DefaultGUI; + if ( strcmp( className, "Browser/View" ) == 0 ) + prof = KHTMLPart::BrowserViewGUI; + return new KHTMLImage( parentWidget, widgetName, parent, name, prof ); +} + +KHTMLImage::KHTMLImage( TQWidget *parentWidget, const char *widgetName, + TQObject *parent, const char *name, KHTMLPart::GUIProfile prof ) + : KParts::ReadOnlyPart( parent, name ), m_image( 0 ) +{ + KHTMLPart* parentPart = ::tqqt_cast<KHTMLPart *>( parent ); + setInstance( KHTMLImageFactory::instance(), prof == KHTMLPart::BrowserViewGUI && !parentPart ); + + TQVBox *box = new TQVBox( parentWidget, widgetName ); + + m_tdehtml = new KHTMLPart( box, widgetName, this, "htmlimagepart", prof ); + m_tdehtml->setAutoloadImages( true ); + m_tdehtml->widget()->installEventFilter(this); + connect( m_tdehtml->view(), TQT_SIGNAL( finishedLayout() ), this, TQT_SLOT( restoreScrollPosition() ) ); + + setWidget( box ); + + // VBox can't take focus, so pass it on to sub-widget + box->setFocusProxy( m_tdehtml->widget() ); + + m_ext = new KHTMLImageBrowserExtension( this, "be" ); + + // Remove unnecessary actions. + KAction *encodingAction = actionCollection()->action( "setEncoding" ); + if ( encodingAction ) + { + encodingAction->unplugAll(); + delete encodingAction; + } + KAction *viewSourceAction= actionCollection()->action( "viewDocumentSource" ); + if ( viewSourceAction ) + { + viewSourceAction->unplugAll(); + delete viewSourceAction; + } + + KAction *selectAllAction= actionCollection()->action( "selectAll" ); + if ( selectAllAction ) + { + selectAllAction->unplugAll(); + delete selectAllAction; + } + + // forward important signals from the tdehtml part + + // forward opening requests to parent frame (if existing) + KHTMLPart *p = ::tqqt_cast<KHTMLPart *>(parent); + KParts::BrowserExtension *be = p ? p->browserExtension() : m_ext; + connect(m_tdehtml->browserExtension(), TQT_SIGNAL(openURLRequestDelayed(const KURL &, const KParts::URLArgs &)), + be, TQT_SIGNAL(openURLRequestDelayed(const KURL &, const KParts::URLArgs &))); + + connect( m_tdehtml->browserExtension(), TQT_SIGNAL( popupMenu( KXMLGUIClient *, const TQPoint &, const KURL &, + const KParts::URLArgs &, KParts::BrowserExtension::PopupFlags, mode_t) ), m_ext, TQT_SIGNAL( popupMenu( KXMLGUIClient *, const TQPoint &, const KURL &, + const KParts::URLArgs &, KParts::BrowserExtension::PopupFlags, mode_t) ) ); + + connect( m_tdehtml->browserExtension(), TQT_SIGNAL( enableAction( const char *, bool ) ), + m_ext, TQT_SIGNAL( enableAction( const char *, bool ) ) ); + + m_ext->setURLDropHandlingEnabled( true ); +} + +KHTMLImage::~KHTMLImage() +{ + disposeImage(); + + // important: delete the html part before the part or qobject destructor runs. + // we now delete the htmlpart which deletes the part's widget which makes + // _OUR_ m_widget 0 which in turn avoids our part destructor to delete the + // widget ;-) + // ### additional note: it _can_ be that the part has been deleted before: + // when we're in a html frameset and the view dies first, then it will also + // kill the htmlpart + if ( m_tdehtml ) + delete static_cast<KHTMLPart *>( m_tdehtml ); +} + +bool KHTMLImage::openURL( const KURL &url ) +{ + static const TQString &html = TDEGlobal::staticQString( "<html><body><img src=\"%1\"></body></html>" ); + + disposeImage(); + + m_url = url; + + emit started( 0 ); + + KParts::URLArgs args = m_ext->urlArgs(); + m_mimeType = args.serviceType; + + emit setWindowCaption( url.prettyURL() ); + + // Need to keep a copy of the offsets since they are cleared when emitting completed + m_xOffset = args.xOffset; + m_yOffset = args.yOffset; + + m_tdehtml->begin( m_url ); + m_tdehtml->setAutoloadImages( true ); + + DOM::DocumentImpl *impl = dynamic_cast<DOM::DocumentImpl *>( m_tdehtml->document().handle() ); // ### hack ;-) + if (!impl) return false; + if ( m_ext->urlArgs().reload ) + impl->docLoader()->setCachePolicy( TDEIO::CC_Reload ); + + tdehtml::DocLoader *dl = impl->docLoader(); + m_image = dl->requestImage( m_url.url() ); + if ( m_image ) + m_image->ref( this ); + + m_tdehtml->write( html.arg( m_url.url() ) ); + m_tdehtml->end(); + + /* + connect( tdehtml::Cache::loader(), TQT_SIGNAL( requestDone( tdehtml::DocLoader*, tdehtml::CachedObject *) ), + this, TQT_SLOT( updateWindowCaption() ) ); + */ + return true; +} + +bool KHTMLImage::closeURL() +{ + disposeImage(); + return m_tdehtml->closeURL(); +} + +// This can happen after openURL returns, or directly from m_image->ref() +void KHTMLImage::notifyFinished( tdehtml::CachedObject *o ) +{ + if ( !m_image || o != m_image ) + return; + + const TQPixmap &pix = m_image->pixmap(); + TQString caption; + + KMimeType::Ptr mimeType; + if ( !m_mimeType.isEmpty() ) + mimeType = KMimeType::mimeType( m_mimeType ); + + if ( mimeType ) { + if (m_image && !m_image->suggestedTitle().isEmpty()) { + caption = i18n( "%1 (%2 - %3x%4 Pixels)" ).arg( m_image->suggestedTitle(), mimeType->comment() ).arg( pix.width() ).arg( pix.height() ); + } else { + caption = i18n( "%1 - %2x%3 Pixels" ).arg( mimeType->comment() ) + .arg( pix.width() ).arg( pix.height() ); + } + } else { + if (m_image && !m_image->suggestedTitle().isEmpty()) { + caption = i18n( "%1 (%2x%3 Pixels)" ).arg(m_image->suggestedTitle()).arg( pix.width() ).arg( pix.height() ); + } else { + caption = i18n( "Image - %1x%2 Pixels" ).arg( pix.width() ).arg( pix.height() ); + } + } + + emit setWindowCaption( caption ); + emit completed(); + emit setStatusBarText(i18n("Done.")); +} + +void KHTMLImage::restoreScrollPosition() +{ + if ( m_tdehtml->view()->contentsY() == 0 ) { + m_tdehtml->view()->setContentsPos( m_xOffset, m_yOffset ); + } +} + +void KHTMLImage::guiActivateEvent( KParts::GUIActivateEvent *e ) +{ + // prevent the base implementation from emitting setWindowCaption with + // our url. It destroys our pretty, previously caption. Konq saves/restores + // the caption for us anyway. + if ( e->activated() ) + return; + KParts::ReadOnlyPart::guiActivateEvent(e); +} + +/* +void KHTMLImage::slotImageJobFinished( TDEIO::Job *job ) +{ + if ( job->error() ) + { + job->showErrorDialog(); + emit canceled( job->errorString() ); + } + else + { + emit completed(); + TQTimer::singleShot( 0, this, TQT_SLOT( updateWindowCaption() ) ); + } +} + +void KHTMLImage::updateWindowCaption() +{ + if ( !m_tdehtml ) + return; + + DOM::HTMLDocumentImpl *impl = dynamic_cast<DOM::HTMLDocumentImpl *>( m_tdehtml->document().handle() ); + if ( !impl ) + return; + + DOM::HTMLElementImpl *body = impl->body(); + if ( !body ) + return; + + DOM::NodeImpl *image = body->firstChild(); + if ( !image ) + return; + + tdehtml::RenderImage *renderImage = dynamic_cast<tdehtml::RenderImage *>( image->renderer() ); + if ( !renderImage ) + return; + + TQPixmap pix = renderImage->pixmap(); + + TQString caption; + + KMimeType::Ptr mimeType; + if ( !m_mimeType.isEmpty() ) + mimeType = KMimeType::mimeType( m_mimeType ); + + if ( mimeType ) + caption = i18n( "%1 - %2x%3 Pixels" ).arg( mimeType->comment() ) + .arg( pix.width() ).arg( pix.height() ); + else + caption = i18n( "Image - %1x%2 Pixels" ).arg( pix.width() ).arg( pix.height() ); + + emit setWindowCaption( caption ); + emit completed(); + emit setStatusBarText(i18n("Done.")); +} +*/ + +void KHTMLImage::disposeImage() +{ + if ( !m_image ) + return; + + m_image->deref( this ); + m_image = 0; +} + +bool KHTMLImage::eventFilter(TQObject *, TQEvent *e) { + switch (e->type()) { + case TQEvent::DragEnter: + case TQEvent::DragMove: + case TQEvent::DragLeave: + case TQEvent::Drop: { + // find out if this part is embedded in a frame, and send the + // event to its outside widget + KHTMLPart *p = ::tqqt_cast<KHTMLPart *>(parent()); + if (p) + return TQApplication::sendEvent(p->widget(), e); + // otherwise simply forward all dnd events to the part widget, + // konqueror will handle them properly there + return TQApplication::sendEvent(widget(), e); + } + default: ; + } + return false; +} + +KHTMLImageBrowserExtension::KHTMLImageBrowserExtension( KHTMLImage *parent, const char *name ) + : KParts::BrowserExtension( parent, name ) +{ + m_imgPart = parent; +} + +int KHTMLImageBrowserExtension::xOffset() +{ + return m_imgPart->doc()->view()->contentsX(); +} + +int KHTMLImageBrowserExtension::yOffset() +{ + return m_imgPart->doc()->view()->contentsY(); +} + +void KHTMLImageBrowserExtension::print() +{ + static_cast<KHTMLPartBrowserExtension *>( m_imgPart->doc()->browserExtension() )->print(); +} + +void KHTMLImageBrowserExtension::reparseConfiguration() +{ + static_cast<KHTMLPartBrowserExtension *>( m_imgPart->doc()->browserExtension() )->reparseConfiguration(); + m_imgPart->doc()->setAutoloadImages( true ); +} + + +void KHTMLImageBrowserExtension::disableScrolling() +{ + static_cast<KHTMLPartBrowserExtension *>( m_imgPart->doc()->browserExtension() )->disableScrolling(); +} + +using namespace KParts; + +/* vim: et sw=4 ts=4 + */ + +#include "tdehtmlimage.moc" |