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tdegraphics/kghostview/kgvshell.cpp

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/**
* Copyright (C) 2000-2002 the KGhostView authors. See file AUTHORS.
*
* 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.
*
* 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.
*/
#include <assert.h>
#include <stdlib.h>
#include <tdeaction.h>
#include <tdeapplication.h>
#include <tdefiledialog.h>
#include <kiconloader.h>
#include <klibloader.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <kstandarddirs.h>
#include <kstatusbar.h>
#include <kstdaction.h>
#include <tdestdaccel.h>
#include <tdetempfile.h>
#include <tdemenubar.h>
#include <kedittoolbar.h>
#include <kdebug.h>
#include <kicontheme.h>
#include <tdeglobal.h>
#include <tdepopupmenu.h>
#include <tdeparts/componentfactory.h>
#include <twin.h>
#include <tqcursor.h>
#include "kgv_miniwidget.h"
#include "kgv_view.h"
#include "kgvpageview.h"
#include "displayoptions.h"
#include "fullscreenfilter.h"
#undef Always // avoid X11/TQt namespace clash
#include "kgvshell.moc"
//TODO -- disable GUI when no file
//TODO -- don't stay open when no file, go directly to KFileDialog
KGVShell::KGVShell() :
_tmpFile( 0 )
{
m_gvpart = KParts::ComponentFactory::createPartInstanceFromLibrary< KGVPart >( "libkghostviewpart", this, "kgvpart",
this, "kgvpart" );
/*---- File -----------------------------------------------------------*/
openact =
KStdAction::open( this, TQT_SLOT( slotFileOpen() ),
actionCollection() );
recent =
KStdAction::openRecent( this, TQT_SLOT( openURL( const KURL& ) ),
actionCollection() );
KStdAction::print( m_gvpart->document(), TQT_SLOT( print() ),
actionCollection() );
(void)
KStdAction::quit( this, TQT_SLOT( slotQuit() ), actionCollection() );
/*---- View -----------------------------------------------------------*/
new TDEAction( i18n( "&Reload" ), "reload",
TDEStdAccel::shortcut( TDEStdAccel::Reload ),
m_gvpart, TQT_SLOT( reloadFile() ),
actionCollection(), "reload" );
new TDEAction( i18n( "&Maximize" ), Key_M, this,
TQT_SLOT( slotMaximize() ), actionCollection(),
"maximize");
_showMenuBarAction = KStdAction::showMenubar( this, TQT_SLOT( slotShowMenubar() ), actionCollection() );
/*---- Settings -------------------------------------------------------*/
#if TDE_VERSION >= TDE_MAKE_VERSION(3,1,90)
createStandardStatusBarAction();
#endif
setAutoSaveSettings();
setStandardToolBarMenuEnabled(true);
#if TDE_VERSION >= TDE_MAKE_VERSION(3,1,90)
m_fullScreenAction = KStdAction::fullScreen( this, TQT_SLOT( slotUpdateFullScreen() ), actionCollection(), this );
#else
m_fullScreenAction = new TDEToggleAction( this, TQT_SLOT( slotUpdateFullScreen() ) );
#endif
KStdAction::configureToolbars( this, TQT_SLOT( slotConfigureToolbars() ), actionCollection() );
KStdAction::keyBindings(guiFactory(), TQT_SLOT(configureShortcuts()),
actionCollection());
//_popup = new TDEPopupMenu( i18n( "Full Screen Options" ), this, "rmb popup" );
_popup = new TDEPopupMenu( this, "rmb popup" );
_popup->insertTitle( i18n( "Full Screen Options" ) );
m_fullScreenAction->plug( _popup );
_showMenuBarAction->plug( _popup );
m_fsFilter = new FullScreenFilter( *this );
// Just save them automatically is destructor. (TODO: of kgv_view!)
//KStdAction::saveOptions ( this, TQT_SLOT (slotWriteSettings()), actionCollection());
setXMLFile( "kghostviewui.rc" );
// We could, at the user's option, make this connection and kghostview
// will always resize to fit the width of the page. But, for now,
// let's not.
// connect ( m_gvpart->widget(), TQT_SIGNAL (sizeHintChanged()), this, TQT_SLOT (slotResize ()) );
setCentralWidget( m_gvpart->widget() );
createGUI( m_gvpart );
connect( m_gvpart->pageView(), TQT_SIGNAL( rightClick() ),TQT_SLOT( slotRMBClick() ) );
connect( m_gvpart, TQT_SIGNAL( canceled(const TQString&) ),TQT_SLOT( slotReset() ) );
connect( m_gvpart, TQT_SIGNAL( completed() ), TQT_SLOT( slotDocumentState() ) );
if (!initialGeometrySet())
resize(640,400);
readSettings();
stateChanged( "initState" );
// Make sure the view has the keyboard focus.
m_gvpart->widget()->setFocus();
}
KGVShell::~KGVShell()
{
writeSettings();
if( _tmpFile )
{
_tmpFile->setAutoDelete( true );
delete _tmpFile;
_tmpFile = 0;
}
// delete m_gvpart;
}
void
KGVShell::slotQuit()
{
kapp->closeAllWindows();
}
void KGVShell::slotShowMenubar()
{
if ( _showMenuBarAction->isChecked() ) menuBar()->show();
else menuBar()->hide();
}
void
KGVShell::setDisplayOptions( const DisplayOptions& options )
{
m_gvpart->setDisplayOptions( options );
}
void KGVShell::slotReset()
{
kdDebug( 4500 ) << "KGVShell::slotReset()" << endl;
stateChanged( "initState" );
}
void
KGVShell::readProperties( TDEConfig *config )
{
KURL url = KURL::fromPathOrURL( config->readPathEntry( "URL" ) );
if ( url.isValid() ) {
openURL( url );
DisplayOptions options;
if ( DisplayOptions::fromString( options, config->readEntry( "Display Options" ) ) ) m_gvpart->setDisplayOptions( options );
}
}
void
KGVShell::saveProperties( TDEConfig* config )
{
config->writePathEntry( "URL", m_gvpart->url().prettyURL() );
config->writeEntry( "Display Options", DisplayOptions::toString( m_gvpart->miniWidget()->displayOptions() ) );
}
void
KGVShell::readSettings()
{
recent->loadEntries( TDEGlobal::config() );
TQStringList items = recent->items();
// Code copied from kviewshell.cpp:
// Constant source of annoyance in KDVI < 1.0: the 'recent-files'
// menu contains lots of files which don't exist (any longer). Thus,
// we'll sort out the non-existent files here.
for ( TQStringList::Iterator it = items.begin(); it != items.end(); ++it ) {
KURL url(*it);
if (url.isLocalFile()) {
TQFileInfo info(url.path());
if (!info.exists())
recent->removeURL(url);
}
}
applyMainWindowSettings(TDEGlobal::config(), "MainWindow");
TDEGlobal::config()->setDesktopGroup();
bool fullScreen = TDEGlobal::config()->readBoolEntry( "FullScreen", false );
setFullScreen( fullScreen );
_showMenuBarAction->setChecked( menuBar()->isVisible() );
}
void
KGVShell::writeSettings()
{
saveMainWindowSettings(TDEGlobal::config(), "MainWindow");
recent->saveEntries( TDEGlobal::config() );
TDEGlobal::config()->setDesktopGroup();
TDEGlobal::config()->writeEntry( "FullScreen", m_fullScreenAction->isChecked());
TDEGlobal::config()->sync();
}
void
KGVShell::openURL( const KURL & url )
{
if( m_gvpart->openURL( url ) ) recent->addURL (url);
}
void
KGVShell::openStdin()
{
if( _tmpFile )
{
_tmpFile->setAutoDelete( true );
delete _tmpFile;
}
_tmpFile = new KTempFile;
_tmpFile->setAutoDelete( true );
if( _tmpFile->status() != 0 ) {
KMessageBox::error( this,
i18n( "Could not create temporary file: %1" )
.arg( strerror( _tmpFile->status() ) ) );
return;
}
TQByteArray buf( BUFSIZ );
int read = 0, wrtn = 0;
while( ( read = fread( buf.data(), sizeof(char), buf.size(), stdin ) )
> 0 ) {
wrtn = _tmpFile->file()->writeBlock( buf.data(), read );
if( read != wrtn )
break;
kapp->processEvents();
}
if( read != 0 ) {
KMessageBox::error( this,
i18n( "Could not open standard input stream: %1" )
.arg( strerror( errno ) ) );
return;
}
_tmpFile->close();
if( m_gvpart->openURL( KURL::fromPathOrURL( _tmpFile->name() ) ) ) setCaption( "stdin" );
}
void KGVShell::slotFileOpen()
{
KURL url = KFileDialog::getOpenURL( cwd, i18n(
"*.ps *.ps.bz2 *.ps.gz *.eps *.eps.gz *.pdf|All Document Files\n"
"*.ps *.ps.bz2 *.ps.gz|PostScript Files\n"
"*.pdf *.pdf.gz *.pdf.bz2|Portable Document Format (PDF) Files\n"
"*.eps *.eps.gz *.eps.bz2|Encapsulated PostScript Files\n"
"*|All Files" ) );
if( !url.isEmpty() ) {
openURL( url );
}
}
void KGVShell::slotDocumentState()
{
stateChanged( "documentState" );
}
void KGVShell::slotMaximize()
{
kdDebug(4500) << "KGVShell::slotMaximize()" << endl;
KWin::setState( winId(), NET::MaxHoriz | NET::MaxVert );
// If we do it now, it comes to nothing since it would work
// on the current (non-maximized) size
TQTimer::singleShot( 800, m_gvpart, TQT_SLOT( slotFitToPage() ) );
}
void KGVShell::slotResize()
{
resize( m_gvpart->pageView()->sizeHint().width(), height() );
}
void KGVShell::setFullScreen( bool useFullScreen )
{
if( useFullScreen )
showFullScreen();
else if( isFullScreen())
showNormal();
}
void KGVShell::slotUpdateFullScreen()
{
if( m_fullScreenAction->isChecked())
{
menuBar()->hide();
statusBar()->hide();
toolBar()->hide();
m_gvpart->updateFullScreen( true );
showFullScreen();
kapp->installEventFilter( m_fsFilter );
if ( m_gvpart->document()->isOpen() )
m_gvpart->slotFitToPage();
}
else
{
kapp->removeEventFilter( m_fsFilter );
m_gvpart->updateFullScreen( false );
menuBar()->show();
#if TDE_VERSION >= TDE_MAKE_VERSION(3,1,90)
TDEToggleAction *statusbarAction = dynamic_cast<TDEToggleAction *>(actionCollection()->action(KStdAction::name(KStdAction::ShowStatusbar)));
assert( statusbarAction );
if (statusbarAction->isChecked()) statusBar()->show();
#endif
toolBar()->show();
showNormal();
}
}
void KGVShell::slotConfigureToolbars()
{
saveMainWindowSettings( TDEGlobal::config(), "MainWindow" );
KEditToolbar dlg( factory() );
connect(&dlg,TQT_SIGNAL(newToolbarConfig()),this,TQT_SLOT(slotNewToolbarConfig()));
dlg.exec();
}
void KGVShell::slotNewToolbarConfig()
{
applyMainWindowSettings( TDEGlobal::config(), "MainWindow" );
}
void KGVShell::slotRMBClick()
{
_popup->exec( TQCursor::pos() );
}