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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>
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 "katebookmarks.h"
#include "katebookmarks.moc"
#include "katedocument.h"
#include "kateview.h"
#include <tdelocale.h>
#include <tdeaction.h>
#include <tdepopupmenu.h>
#include <kstringhandler.h>
#include <kxmlguiclient.h>
#include <kxmlguifactory.h>
#include <tqregexp.h>
#include <tqmemarray.h>
#include <tqevent.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() ?
KateBookmarks::KateBookmarks( KateView* view, Sorting sort )
: TQObject( view, "kate bookmarks" )
, m_view( view )
, m_sorting( sort )
{
connect (view->getDoc(), TQT_SIGNAL(marksChanged()), this, TQT_SLOT(marksChanged()));
_tries=0;
m_bookmarksMenu = 0L;
}
KateBookmarks::~KateBookmarks()
{
}
void KateBookmarks::createActions( 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"), "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"), "previous", ALT + Key_PageUp,
this, TQT_SLOT(goPrevious()),
ac, "bookmarks_previous");
m_goPrevious->setWhatsThis(i18n("Go to the previous bookmark."));
m_bookmarksMenu = (new TDEActionMenu(i18n("&Bookmarks"), ac, "bookmarks"))->popupMenu();
//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 ();
bookmarkMenuAboutToHide();
connect( m_view, TQT_SIGNAL( gotFocus( Kate::View * ) ), this, TQT_SLOT( slotViewGotFocus( Kate::View * ) ) );
connect( m_view, TQT_SIGNAL( lostFocus( Kate::View * ) ), this, TQT_SLOT( slotViewLostFocus( Kate::View * ) ) );
}
void KateBookmarks::toggleBookmark ()
{
uint mark = m_view->getDoc()->mark( m_view->cursorLine() );
if( mark & KTextEditor::MarkInterface::markType01 )
m_view->getDoc()->removeMark( m_view->cursorLine(),
KTextEditor::MarkInterface::markType01 );
else
m_view->getDoc()->addMark( m_view->cursorLine(),
KTextEditor::MarkInterface::markType01 );
}
void KateBookmarks::clearBookmarks ()
{
TQPtrList<KTextEditor::Mark> m = m_view->getDoc()->marks();
for (uint i=0; i < m.count(); i++)
m_view->getDoc()->removeMark( m.at(i)->line, KTextEditor::MarkInterface::markType01 );
// just to be sure ;)
marksChanged ();
}
void KateBookmarks::slotViewGotFocus( Kate::View *v )
{
if ( v == (Kate::View*)m_view )
bookmarkMenuAboutToHide();
}
void KateBookmarks::slotViewLostFocus( Kate::View *v )
{
if ( v == (Kate::View*)m_view )
m_bookmarksMenu->clear();
}
void KateBookmarks::insertBookmarks( TQPopupMenu& menu )
{
uint line = m_view->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 = m_view->getDoc()->marks();
TQMemArray<uint> sortArray( m.count() );
TQPtrListIterator<KTextEditor::Mark> it( m );
if ( it.count() > 0 )
menu.insertSeparator();
for( int i = 0; *it; ++it, ++i )
{
if( (*it)->type & KTextEditor::MarkInterface::markType01 )
{
TQString bText = KStringHandler::rEmSqueeze
( m_view->getDoc()->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 ) + 3;
}
menu.insertItem(
TQString("%1 - \"%2\"").arg( (*it)->line+1 ).arg( bText ),
m_view, TQT_SLOT(gotoLineNumber(int)), 0, (*it)->line, idx );
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);
}
}
}
idx = ++old_menu_count;
if ( next )
{
m_goNext->setText( i18n("&Next: %1 - \"%2\"").arg( next->line + 1 )
.arg( KStringHandler::rsqueeze( m_view->getDoc()->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( m_view->getDoc()->textLine( prev->line ), 24 ) ) );
m_goPrevious->plug( &menu, idx );
idx++;
}
if ( next || prev )
menu.insertSeparator( idx );
}
void KateBookmarks::bookmarkMenuAboutToShow()
{
TQPtrList<KTextEditor::Mark> m = m_view->getDoc()->marks();
m_bookmarksMenu->clear();
m_bookmarkToggle->setChecked( m_view->getDoc()->mark( m_view->cursorLine() )
& KTextEditor::MarkInterface::markType01 );
m_bookmarkToggle->plug( m_bookmarksMenu );
m_bookmarkClear->plug( m_bookmarksMenu );
insertBookmarks(*m_bookmarksMenu);
}
/*
Make sure next/prev actions are plugged, and have a clean text
*/
void KateBookmarks::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 KateBookmarks::goNext()
{
TQPtrList<KTextEditor::Mark> m = m_view->getDoc()->marks();
if (m.isEmpty())
return;
uint line = m_view->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)
m_view->gotoLineNumber ( found );
}
void KateBookmarks::goPrevious()
{
TQPtrList<KTextEditor::Mark> m = m_view->getDoc()->marks();
if (m.isEmpty())
return;
uint line = m_view->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)
m_view->gotoLineNumber ( found );
}
void KateBookmarks::marksChanged ()
{
m_bookmarkClear->setEnabled( !m_view->getDoc()->marks().isEmpty() );
}
// kate: space-indent on; indent-width 2; replace-tabs on;
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