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tdevelop/lib/widgets/kdevhtmlpart.cpp

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#include <tqfile.h>
#include <tqclipboard.h>
#include <tqapplication.h>
#include <kxmlguiclient.h>
#include <kaction.h>
#include <kstdaction.h>
#include <kstandarddirs.h>
#include <klocale.h>
#include <kpopupmenu.h>
#include <kiconloader.h>
#include <kmainwindow.h>
#include <khtmlview.h>
#include <khtml_settings.h>
#include <kconfig.h>
#include <kdevmainwindow.h>
#include "kdevhtmlpart.h"
KDevHTMLPart::KDevHTMLPart()
: KHTMLPart(0L, 0L, 0L, "KDevHTMLPart", DefaultGUI )
{
setXMLFile(locate("data", "tdevelop/kdevhtml_partui.rc"), true);
connect(browserExtension(), TQT_SIGNAL(openURLRequestDelayed(const KURL &,const KParts::URLArgs &)),
this, TQT_SLOT(openURLRequest(const KURL &)) );
connect(this, TQT_SIGNAL(started(KIO::Job *)), this, TQT_SLOT(slotStarted(KIO::Job* )));
connect(this, TQT_SIGNAL(completed()), this, TQT_SLOT(slotCompleted()));
connect(this, TQT_SIGNAL(canceled(const TQString &)), this, TQT_SLOT(slotCancelled(const TQString &)));
KActionCollection * actions = actionCollection();// new KActionCollection( this );
reloadAction = new KAction( i18n( "Reload" ), "reload", 0,
this, TQT_SLOT( slotReload() ), actions, "doc_reload" );
reloadAction->setWhatsThis(i18n("<b>Reload</b><p>Reloads the current document."));
stopAction = new KAction( i18n( "Stop" ), "stop", 0,
this, TQT_SLOT( slotStop() ), actions, "doc_stop" );
stopAction->setWhatsThis(i18n("<b>Stop</b><p>Stops the loading of current document."));
duplicateAction = new KAction( i18n( "Duplicate Tab" ), "window_new", 0,
this, TQT_SLOT( slotDuplicate() ), actions, "doc_dup" );
duplicateAction->setWhatsThis(i18n("<b>Duplicate window</b><p>Opens current document in a new window."));
printAction = KStdAction::print(this, TQT_SLOT(slotPrint()), actions, "print_doc");
copyAction = KStdAction::copy(this, TQT_SLOT(slotCopy()), actions, "copy_doc_selection");
connect( this, TQT_SIGNAL(popupMenu(const TQString &, const TQPoint &)), this, TQT_SLOT(popup(const TQString &, const TQPoint &)));
connect(this, TQT_SIGNAL(selectionChanged()), this, TQT_SLOT(slotSelectionChanged()));
//BEGIN documentation history stuff
m_backAction = new KToolBarPopupAction(i18n("Back"), "back", 0,
this, TQT_SLOT(slotBack()),
actions, "browser_back");
m_backAction->setEnabled( false );
m_backAction->setToolTip(i18n("Back"));
m_backAction->setWhatsThis(i18n("<b>Back</b><p>Moves backwards one step in the <b>documentation</b> browsing history."));
connect(m_backAction->popupMenu(), TQT_SIGNAL(aboutToShow()),
this, TQT_SLOT(slotBackAboutToShow()));
connect(m_backAction->popupMenu(), TQT_SIGNAL(activated(int)),
this, TQT_SLOT(slotPopupActivated(int)));
m_forwardAction = new KToolBarPopupAction(i18n("Forward"), "forward", 0,
this, TQT_SLOT(slotForward()),
actions, "browser_forward");
m_forwardAction->setEnabled( false );
m_forwardAction->setToolTip(i18n("Forward"));
m_forwardAction->setWhatsThis(i18n("<b>Forward</b><p>Moves forward one step in the <b>documentation</b> browsing history."));
connect(m_forwardAction->popupMenu(), TQT_SIGNAL(aboutToShow()),
this, TQT_SLOT(slotForwardAboutToShow()));
connect(m_forwardAction->popupMenu(), TQT_SIGNAL(activated(int)),
this, TQT_SLOT(slotPopupActivated(int)));
m_restoring = false;
m_Current = m_history.end();
//END documentation history stuff
//settings:
KConfig *appConfig = KGlobal::config();
appConfig->setGroup("KHTMLPart");
setStandardFont(appConfig->readEntry("StandardFont",
settings()->stdFontName()));
setFixedFont(appConfig->readEntry("FixedFont",
settings()->fixedFontName()));
setZoomFactor(appConfig->readEntry("Zoom", "100").toInt());
}
void KDevHTMLPart::popup( const TQString & url, const TQPoint & p )
{
// KPopupMenu popup( i18n( "Documentation Viewer" ), this->widget() );
KPopupMenu popup(this->widget());
bool needSep = false;
int idNewWindow = -2;
if (!url.isEmpty() && (m_options & CanOpenInNewWindow))
{
idNewWindow = popup.insertItem(SmallIcon("window_new"),i18n("Open in New Tab"));
popup.TQMenuData::setWhatsThis(idNewWindow, i18n("<b>Open in new window</b><p>Opens current link in a new window."));
needSep = true;
}
if (m_options & CanDuplicate)
{
duplicateAction->plug(&popup);
needSep = true;
}
if (needSep)
popup.insertSeparator();
m_backAction->plug( &popup );
m_forwardAction->plug( &popup );
reloadAction->plug(&popup);
// stopAction->plug(&popup);
popup.insertSeparator();
copyAction->plug( &popup );
popup.insertSeparator();
printAction->plug(&popup);
popup.insertSeparator();
KAction * incFontAction = this->action("incFontSizes");
KAction * decFontAction = this->action("decFontSizes");
if ( incFontAction && decFontAction )
{
incFontAction->plug( &popup );
decFontAction->plug( &popup );
popup.insertSeparator();
}
KAction *ac = action("setEncoding");
if (ac)
ac->plug(&popup);
int r = popup.exec(p);
if (r == idNewWindow)
{
KURL kurl;
if (!KURL(url).path().startsWith("/"))
{
kdDebug() << "processing relative url: " << url << endl;
if (url.startsWith("#"))
{
kurl = KURL(KDevHTMLPart::url());
kurl.setRef(url.mid(1));
}
else
kurl = KURL(KDevHTMLPart::url().upURL().url(true)+url);
}
else
kurl = KURL(url);
if (kurl.isValid())
slotOpenInNewWindow(kurl);
}
}
void KDevHTMLPart::setContext(const TQString &context)
{
m_context = context;
}
TQString KDevHTMLPart::context() const
{
return m_context;
}
// Note: this function is a copy of code in tdecore/kconfigbase.cpp ;)
static bool isUtf8(const char *buf) {
int i, n;
register unsigned char c;
bool gotone = false;
#define F 0 /* character never appears in text */
#define T 1 /* character appears in plain ASCII text */
#define I 2 /* character appears in ISO-8859 text */
#define X 3 /* character appears in non-ISO extended ASCII (Mac, IBM PC) */
static const unsigned char text_chars[256] = {
/* BEL BS HT LF FF CR */
F, F, F, F, F, F, F, T, T, T, T, F, T, T, F, F, /* 0x0X */
/* ESC */
F, F, F, F, F, F, F, F, F, F, F, T, F, F, F, F, /* 0x1X */
T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x2X */
T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x3X */
T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x4X */
T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x5X */
T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x6X */
T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, F, /* 0x7X */
/* NEL */
X, X, X, X, X, T, X, X, X, X, X, X, X, X, X, X, /* 0x8X */
X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, /* 0x9X */
I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, /* 0xaX */
I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, /* 0xbX */
I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, /* 0xcX */
I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, /* 0xdX */
I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, /* 0xeX */
I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, I /* 0xfX */
};
/* *ulen = 0; */
for (i = 0; (c = buf[i]); i++) {
if ((c & 0x80) == 0) { /* 0xxxxxxx is plain ASCII */
/*
* Even if the whole file is valid UTF-8 sequences,
* still reject it if it uses weird control characters.
*/
if (text_chars[c] != T)
return false;
} else if ((c & 0x40) == 0) { /* 10xxxxxx never 1st byte */
return false;
} else { /* 11xxxxxx begins UTF-8 */
int following;
if ((c & 0x20) == 0) { /* 110xxxxx */
following = 1;
} else if ((c & 0x10) == 0) { /* 1110xxxx */
following = 2;
} else if ((c & 0x08) == 0) { /* 11110xxx */
following = 3;
} else if ((c & 0x04) == 0) { /* 111110xx */
following = 4;
} else if ((c & 0x02) == 0) { /* 1111110x */
following = 5;
} else
return false;
for (n = 0; n < following; n++) {
i++;
if (!(c = buf[i]))
goto done;
if ((c & 0x80) == 0 || (c & 0x40))
return false;
}
gotone = true;
}
}
done:
return gotone; /* don't claim it's UTF-8 if it's all 7-bit */
}
#undef F
#undef T
#undef I
#undef X
TQString KDevHTMLPart::resolveEnvVarsInURL(const TQString& url)
{
// check for environment variables and make necessary translations
TQString path = url;
int nDollarPos = path.find( '$' );
// Note: the while loop below is a copy of code in tdecore/kconfigbase.cpp ;)
while( nDollarPos != -1 && nDollarPos+1 < static_cast<int>(path.length())) {
// there is at least one $
if( (path)[nDollarPos+1] == '(' ) {
uint nEndPos = nDollarPos+1;
// the next character is no $
while ( (nEndPos <= path.length()) && (path[nEndPos]!=')') )
nEndPos++;
nEndPos++;
TQString cmd = path.mid( nDollarPos+2, nEndPos-nDollarPos-3 );
TQString result;
FILE *fs = popen(TQFile::encodeName(cmd).data(), "r");
if (fs)
{
TQTextStream ts(fs, IO_ReadOnly);
result = ts.read().stripWhiteSpace();
pclose(fs);
}
path.replace( nDollarPos, nEndPos-nDollarPos, result );
} else if( (path)[nDollarPos+1] != '$' ) {
uint nEndPos = nDollarPos+1;
// the next character is no $
TQString aVarName;
if (path[nEndPos]=='{')
{
while ( (nEndPos <= path.length()) && (path[nEndPos]!='}') )
nEndPos++;
nEndPos++;
aVarName = path.mid( nDollarPos+2, nEndPos-nDollarPos-3 );
}
else
{
while ( nEndPos <= path.length() && (path[nEndPos].isNumber()
|| path[nEndPos].isLetter() || path[nEndPos]=='_' ) )
nEndPos++;
aVarName = path.mid( nDollarPos+1, nEndPos-nDollarPos-1 );
}
const char* pEnv = 0;
if (!aVarName.isEmpty())
pEnv = getenv( aVarName.ascii() );
if( pEnv ) {
// !!! Sergey A. Sukiyazov <corwin@micom.don.ru> !!!
// A environment variables may contain values in 8bit
// locale cpecified encoding or in UTF8 encoding.
if (isUtf8( pEnv ))
path.replace( nDollarPos, nEndPos-nDollarPos, TQString::fromUtf8(pEnv) );
else
path.replace( nDollarPos, nEndPos-nDollarPos, TQString::fromLocal8Bit(pEnv) );
} else
path.remove( nDollarPos, nEndPos-nDollarPos );
} else {
// remove one of the dollar signs
path.remove( nDollarPos, 1 );
nDollarPos++;
}
nDollarPos = path.find( '$', nDollarPos );
}
return path;
}
bool KDevHTMLPart::openURL(const KURL &url)
{
TQString path = resolveEnvVarsInURL(url.url());
KURL newUrl(path);
bool retval = KHTMLPart::openURL(newUrl);
if ( retval )
{
emit fileNameChanged(this);
if ( !m_restoring )
{
addHistoryEntry();
}
}
m_backAction->setEnabled( m_Current != m_history.begin() );
m_forwardAction->setEnabled( m_Current != m_history.fromLast() );
return retval;
}
void KDevHTMLPart::openURLRequest(const KURL &url)
{
openURL( url );
}
void KDevHTMLPart::slotReload( )
{
openURL( url() );
}
void KDevHTMLPart::slotStop( )
{
closeURL();
}
void KDevHTMLPart::slotStarted( KIO::Job * )
{
stopAction->setEnabled(true);
}
void KDevHTMLPart::slotCompleted( )
{
stopAction->setEnabled(false);
}
void KDevHTMLPart::slotCancelled( const TQString & /*errMsg*/ )
{
stopAction->setEnabled(false);
}
/*void KDevHTMLPart::slotDuplicate( )
{
PartController::getInstance()->showDocument(url(), true);
}*/
void KDevHTMLPart::slotPrint( )
{
view()->print();
}
void KDevHTMLPart::slotBack()
{
if ( m_Current != m_history.begin() )
{
--m_Current;
m_restoring = true;
openURL( (*m_Current).url );
m_restoring = false;
}
}
void KDevHTMLPart::slotForward()
{
if ( m_Current != m_history.fromLast() )
{
++m_Current;
m_restoring = true;
openURL( (*m_Current).url );
m_restoring = false;
}
}
void KDevHTMLPart::slotBackAboutToShow()
{
KPopupMenu *popup = m_backAction->popupMenu();
popup->clear();
if ( m_Current == m_history.begin() ) return;
TQValueList<DocumentationHistoryEntry>::Iterator it = m_Current;
--it;
int i = 0;
while( i < 10 )
{
if ( it == m_history.begin() )
{
popup->insertItem( (*it).url.url(), (*it).id );
return;
}
popup->insertItem( (*it).url.url(), (*it).id );
++i;
--it;
}
}
void KDevHTMLPart::slotForwardAboutToShow()
{
KPopupMenu *popup = m_forwardAction->popupMenu();
popup->clear();
if ( m_Current == m_history.fromLast() ) return;
TQValueList<DocumentationHistoryEntry>::Iterator it = m_Current;
++it;
int i = 0;
while( i < 10 )
{
if ( it == m_history.fromLast() )
{
popup->insertItem( (*it).url.url(), (*it).id );
return;
}
popup->insertItem( (*it).url.url(), (*it).id );
++i;
++it;
}
}
void KDevHTMLPart::slotPopupActivated( int id )
{
kdDebug(9000) << "id: " << id << endl;
TQValueList<DocumentationHistoryEntry>::Iterator it = m_history.begin();
while( it != m_history.end() )
{
kdDebug(9000) << "(*it).id: " << (*it).id << endl;
if ( (*it).id == id )
{
m_Current = it;
m_restoring = true;
openURL( (*m_Current).url );
m_restoring = false;
return;
}
++it;
}
}
void KDevHTMLPart::addHistoryEntry()
{
TQValueList<DocumentationHistoryEntry>::Iterator it = m_Current;
// if We're not already the last entry, we truncate the list here before adding an entry
if ( it != m_history.end() && it != m_history.fromLast() )
{
m_history.erase( ++it, m_history.end() );
}
DocumentationHistoryEntry newEntry( url() );
// Only save the new entry if it is different from the last
if ( newEntry.url != (*m_Current).url )
{
m_history.append( newEntry );
m_Current = m_history.fromLast();
}
}
void KDevHTMLPart::slotCopy( )
{
TQString text = selectedText();
text.replace( TQChar( 0xa0 ), ' ' );
TQClipboard *cb = TQApplication::tqclipboard();
disconnect( cb, TQT_SIGNAL( selectionChanged() ), this, TQT_SLOT( slotClearSelection() ) );
cb->setText(text);
connect( cb, TQT_SIGNAL( selectionChanged() ), this, TQT_SLOT( slotClearSelection() ) );
}
void KDevHTMLPart::slotSelectionChanged( )
{
if (selectedText().isEmpty())
copyAction->setEnabled(false);
else
copyAction->setEnabled(true);
}
#include "kdevhtmlpart.moc"
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