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tdewebdev/quanta/utility/quantabookmarks.cpp

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/* This file is part of the KDE libraries
Copyright (C) 2002, 2003, 2004 Anders Lund <anders.lund@lund.tdcadsl.dk>
Copyright (C) 2002 John Firebaugh <jfirebaugh@kde.org>
Copyright (C) 2005 Andras Mantia <amantia@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 version 2 as published by the Free Software Foundation.
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 "quantabookmarks.h"
#include <tdeapplication.h>
#include <tdeconfig.h>
#include <tdelocale.h>
#include <tdeaction.h>
#include <kdebug.h>
#include <tdepopupmenu.h>
#include <kstringhandler.h>
#include <tdetexteditor/markinterface.h>
#include <tdetexteditor/editinterface.h>
#include <tdetexteditor/viewcursorinterface.h>
#include <tqregexp.h>
#include <tqmemarray.h>
#include <tqevent.h>
#include "viewmanager.h"
#include "document.h"
/**
Utility: selection sort
sort a TQMemArray<uint> in ascending order.
max it the largest (zerobased) index to sort.
To sort the entire array: ssort( *array, array.size() -1 );
This is only efficient if ran only once.
*/
static void ssort( TQMemArray<uint> &a, int max )
{
uint tmp, j, maxpos;
for ( uint h = max; h >= 1; h-- )
{
maxpos = 0;
for ( j = 0; j <= h; j++ )
maxpos = a[j] > a[maxpos] ? j : maxpos;
tmp = a[maxpos];
a[maxpos] = a[h];
a[h] = tmp;
}
}
// TODO add a insort() or bubble_sort - more efficient for aboutToShow() ?
QuantaBookmarks::QuantaBookmarks(ViewManager *parent,Sorting sort, bool onlyFromActualDocument )
: TQObject( parent, "bookmarks" )
, m_sorting(sort)
, m_onlyFromActualDocument(onlyFromActualDocument)
{
m_viewManager = parent;
_tries=0;
m_bookmarksMenu = 0L;
m_doc = 0L;
}
QuantaBookmarks::~QuantaBookmarks()
{
}
void QuantaBookmarks::createActions( TDEActionCollection* ac )
{
m_bookmarksMenu = (new TDEActionMenu(i18n("&Bookmarks"), ac, "bookmarks"))->popupMenu();
init(ac);
}
void QuantaBookmarks::init(TDEActionCollection* ac)
{
m_bookmarkToggle = new TDEToggleAction(
i18n("Set &Bookmark"), "bookmark", CTRL+Key_B,
this, TQT_SLOT(toggleBookmark()),
ac, "bookmarks_toggle" );
m_bookmarkToggle->setWhatsThis(i18n("If a line has no bookmark then add one, otherwise remove it."));
m_bookmarkToggle->setCheckedState( i18n("Clear &Bookmark") );
m_bookmarkClear = new TDEAction(
i18n("Clear &All Bookmarks"), 0,
this, TQT_SLOT(clearBookmarks()),
ac, "bookmarks_clear");
m_bookmarkClear->setWhatsThis(i18n("Remove all bookmarks of the current document."));
m_goNext = new TDEAction(
i18n("Next Bookmark"), "go-next", ALT + Key_PageDown,
this, TQT_SLOT(goNext()),
ac, "bookmarks_next");
m_goNext->setWhatsThis(i18n("Go to the next bookmark."));
m_goPrevious = new TDEAction(
i18n("Previous Bookmark"), "go-previous", ALT + Key_PageUp,
this, TQT_SLOT(goPrevious()),
ac, "bookmarks_previous");
m_goPrevious->setWhatsThis(i18n("Go to the previous bookmark."));
//connect the aboutToShow() and aboutToHide() signals with
//the bookmarkMenuAboutToShow() and bookmarkMenuAboutToHide() slots
connect( m_bookmarksMenu, TQT_SIGNAL(aboutToShow()), this, TQT_SLOT(bookmarkMenuAboutToShow()));
connect( m_bookmarksMenu, TQT_SIGNAL(aboutToHide()), this, TQT_SLOT(bookmarkMenuAboutToHide()) );
marksChanged ();
}
void QuantaBookmarks::setBookmarksMenu(TQPopupMenu* bookmarksMenu)
{
m_bookmarksMenu = bookmarksMenu;
init();
}
void QuantaBookmarks::toggleBookmark ()
{
Document *doc = m_doc;
if (!doc)
doc = m_viewManager->activeDocument();
if (doc && doc->markIf)
{
uint mark = doc->markIf->mark(doc->viewCursorIf->cursorLine());
if( mark & KTextEditor::MarkInterface::markType01 )
doc->markIf->removeMark(doc->viewCursorIf->cursorLine(),
KTextEditor::MarkInterface::markType01 );
else
doc->markIf->addMark(doc->viewCursorIf->cursorLine(),
KTextEditor::MarkInterface::markType01 );
}
marksChanged();
}
void QuantaBookmarks::clearBookmarks ()
{
Document *doc = m_viewManager->activeDocument();
if (doc && doc->markIf)
{
TQPtrList<KTextEditor::Mark> m = doc->markIf->marks();
for (uint i=0; i < m.count(); i++)
doc->markIf->removeMark( m.at(i)->line, KTextEditor::MarkInterface::markType01 );
// just to be sure ;)
marksChanged ();
}
}
int QuantaBookmarks::insertBookmarks(TQPopupMenu& menu, Document *doc, bool insertNavigationItems )
{
int insertedItems = 0;
if (doc->markIf)
{
uint line = doc->viewCursorIf->cursorLine();
const TQRegExp re("&(?!&)");
int idx( -1 );
int old_menu_count = menu.count();
KTextEditor::Mark *next = 0;
KTextEditor::Mark *prev = 0;
TQPtrList<KTextEditor::Mark> m = doc->markIf->marks();
TQMemArray<uint> sortArray( m.count() );
TQPtrListIterator<KTextEditor::Mark> it( m );
if ( it.count() > 0 && insertNavigationItems)
menu.insertSeparator();
for( int i = 0; *it; ++it)
{
if( (*it)->type & KTextEditor::MarkInterface::markType01 )
{
TQString bText = KStringHandler::rEmSqueeze
( doc->editIf->textLine( (*it)->line ),
menu.fontMetrics(), 32 );
bText.replace(re, "&&"); // kill undesired accellerators!
bText.replace('\t', ' '); // kill tabs, as they are interpreted as shortcuts
if ( m_sorting == Position )
{
sortArray[i] = (*it)->line;
ssort( sortArray, i );
idx = sortArray.find( (*it)->line );
if (insertNavigationItems)
idx += 3;
i++;
}
menu.insertItem(
TQString("%1 - \"%2\"").arg( (*it)->line+1 ).arg( bText ),
0, (*it)->line, idx );
insertedItems++;
if ( (*it)->line < line )
{
if ( ! prev || prev->line < (*it)->line )
prev = (*it);
}
else if ( (*it)->line > line )
{
if ( ! next || next->line > (*it)->line )
next = (*it);
}
}
}
if (insertNavigationItems)
{
idx = ++old_menu_count;
if ( next )
{
m_goNext->setText( i18n("&Next: %1 - \"%2\"").arg( next->line + 1 )
.arg( KStringHandler::rsqueeze( doc->editIf->textLine( next->line ), 24 ) ) );
m_goNext->plug( &menu, idx );
idx++;
}
if ( prev )
{
m_goPrevious->setText( i18n("&Previous: %1 - \"%2\"").arg(prev->line + 1 )
.arg( KStringHandler::rsqueeze( doc->editIf->textLine( prev->line ), 24 ) ) );
m_goPrevious->plug( &menu, idx );
idx++;
}
if ( next || prev )
menu.insertSeparator( idx );
}
connect(&menu, TQT_SIGNAL(activated(int)), this, TQT_SLOT(gotoLineNumber(int)));
}
return insertedItems;
}
void QuantaBookmarks::bookmarkMenuAboutToShow()
{
TDEConfig *config = kapp->config();
if (config->hasGroup("Kate View Defaults"))
{
config->setGroup("Kate View Defaults");
m_sorting = config->readNumEntry("Bookmark Menu Sorting", 0) == 0 ? Position : Creation;
}
for (uint i = 0; i < m_othersMenuList.count(); i++)
{
delete m_othersMenuList[i];
}
m_othersMenuList.clear();
m_others.clear();
m_bookmarksMenu->clear();
marksChanged();
Document *doc = m_doc;
if (!doc)
doc = m_viewManager->activeDocument();
TQValueList<Document*> openedDocuments = m_viewManager->openedDocuments();
if (doc && doc->markIf)
{
TQPtrList<KTextEditor::Mark> m = doc->markIf->marks();
if (!m_onlyFromActualDocument)
{
m_bookmarkToggle->setChecked( doc->markIf->mark( doc->viewCursorIf->cursorLine() )
& KTextEditor::MarkInterface::markType01 );
m_bookmarkToggle->plug( m_bookmarksMenu );
m_bookmarkClear->plug( m_bookmarksMenu );
}
insertBookmarks(*m_bookmarksMenu, doc, !m_onlyFromActualDocument);
if (openedDocuments.count() > 1 && !m_onlyFromActualDocument)
m_bookmarksMenu->insertSeparator();
}
if (!m_onlyFromActualDocument)
{
int i = 0;
for (TQValueList<Document*>::Iterator it = openedDocuments.begin(); it != openedDocuments.end(); ++it)
{
if (*it != doc)
{
TQPopupMenu *menu = new TQPopupMenu(m_bookmarksMenu);
m_bookmarksMenu->insertItem((*it)->url().fileName(), menu);
if (insertBookmarks(*menu, *it, false) > 0)
{
m_othersMenuList.append(menu);
m_others.append(*it);
i++;
} else
delete menu;
}
}
}
}
/*
Make sure next/prev actions are plugged, and have a clean text
*/
void QuantaBookmarks::bookmarkMenuAboutToHide()
{
m_bookmarkToggle->plug( m_bookmarksMenu );
m_bookmarkClear->plug( m_bookmarksMenu );
m_goNext->setText( i18n("Next Bookmark") );
m_goNext->plug( m_bookmarksMenu );
m_goPrevious->setText( i18n("Previous Bookmark") );
m_goPrevious->plug( m_bookmarksMenu );
}
void QuantaBookmarks::goNext()
{
Document *doc = m_doc;
if (!doc)
doc = m_viewManager->activeDocument();
if (doc && doc->markIf)
{
TQPtrList<KTextEditor::Mark> m = doc->markIf->marks();
if (m.isEmpty())
return;
uint line = doc->viewCursorIf->cursorLine();
int found = -1;
for (uint z=0; z < m.count(); z++)
if ( (m.at(z)->line > line) && ((found == -1) || (uint(found) > m.at(z)->line)) )
found = m.at(z)->line;
if (found != -1)
doc->viewCursorIf->setCursorPositionReal(found, 0);
}
}
void QuantaBookmarks::goPrevious()
{
Document *doc = m_doc;
if (!doc)
doc = m_viewManager->activeDocument();
if (doc && doc->markIf)
{
TQPtrList<KTextEditor::Mark> m = doc->markIf->marks();
if (m.isEmpty())
return;
uint line = doc->viewCursorIf->cursorLine();
int found = -1;
for (uint z=0; z < m.count(); z++)
if ((m.at(z)->line < line) && ((found == -1) || (uint(found) < m.at(z)->line)))
found = m.at(z)->line;
if (found != -1)
doc->viewCursorIf->setCursorPositionReal(found, 0);
}
}
void QuantaBookmarks::gotoLineNumber(int line)
{
Document *doc = m_doc;
if (!doc)
doc = m_viewManager->activeDocument();
TQObject *s = TQT_TQOBJECT(const_cast<TQObject*>(sender()));
for (uint i = 0; i < m_othersMenuList.count(); i++)
{
if (s == m_othersMenuList[i])
{
doc = m_others[i];
break;
}
}
if (doc)
{
if (doc->isUntitled())
{
emit gotoFileAndLine("file:" + doc->url().path(), line, 0);
} else
{
emit gotoFileAndLine(doc->url().url(), line, 0);
}
}
}
void QuantaBookmarks::marksChanged ()
{
Document *doc = m_doc;
if (!doc)
doc = m_viewManager->activeDocument();
if (doc && doc->markIf)
{
m_bookmarkClear->setEnabled( !doc->markIf->marks().isEmpty() );
}
}
#include "quantabookmarks.moc"