1 files changed, 399 insertions, 0 deletions
diff --git a/quanta/utility/quantabookmarks.cpp b/quanta/utility/quantabookmarks.cpp
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+++ b/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 <kapplication.h>
+#include <kconfig.h>
+#include <klocale.h>
+#include <kaction.h>
+#include <kdebug.h>
+#include <kpopupmenu.h>
+#include <kstringhandler.h>
+#include <ktexteditor/markinterface.h>
+#include <ktexteditor/editinterface.h>
+#include <ktexteditor/viewcursorinterface.h>
+
+#include <qregexp.h>
+#include <qmemarray.h>
+#include <qevent.h>
+
+#include "viewmanager.h"
+#include "document.h"
+
+/**
+   Utility: selection sort
+   sort a QMemArray<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( QMemArray<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 )
+  : QObject( parent, "bookmarks" )
+  , m_sorting(sort)
+  , m_onlyFromActualDocument(onlyFromActualDocument)
+{
+  m_viewManager = parent;
+  _tries=0;
+  m_bookmarksMenu = 0L;
+  m_doc = 0L;
+}
+
+QuantaBookmarks::~QuantaBookmarks()
+{
+}
+
+void QuantaBookmarks::createActions( KActionCollection* ac )
+{
+  m_bookmarksMenu = (new KActionMenu(i18n("&Bookmarks"), ac, "bookmarks"))->popupMenu();
+  init(ac);
+}
+
+void QuantaBookmarks::init(KActionCollection* ac)
+{
+  m_bookmarkToggle = new KToggleAction(
+      i18n("Set &Bookmark"), "bookmark", CTRL+Key_B,
+  this, 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 KAction(
+      i18n("Clear &All Bookmarks"), 0,
+  this, SLOT(clearBookmarks()),
+  ac, "bookmarks_clear");
+  m_bookmarkClear->setWhatsThis(i18n("Remove all bookmarks of the current document."));
+
+  m_goNext = new KAction(
+      i18n("Next Bookmark"), "next", ALT + Key_PageDown,
+  this, SLOT(goNext()),
+  ac, "bookmarks_next");
+  m_goNext->setWhatsThis(i18n("Go to the next bookmark."));
+
+  m_goPrevious = new KAction(
+      i18n("Previous Bookmark"), "previous", ALT + Key_PageUp,
+  this, 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, SIGNAL(aboutToShow()), this, SLOT(bookmarkMenuAboutToShow()));
+  connect( m_bookmarksMenu, SIGNAL(aboutToHide()), this, SLOT(bookmarkMenuAboutToHide()) );
+
+  marksChanged ();
+}
+
+void QuantaBookmarks::setBookmarksMenu(QPopupMenu* 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)
+  {
+    QPtrList<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(QPopupMenu& menu, Document *doc, bool insertNavigationItems )
+{
+  int insertedItems = 0;
+  if (doc->markIf)
+  {
+    uint line = doc->viewCursorIf->cursorLine();
+    const QRegExp re("&(?!&)");
+    int idx( -1 );
+    int old_menu_count = menu.count();
+    KTextEditor::Mark *next = 0;
+    KTextEditor::Mark *prev = 0;
+  
+    QPtrList<KTextEditor::Mark> m = doc->markIf->marks();
+    QMemArray<uint> sortArray( m.count() );
+    QPtrListIterator<KTextEditor::Mark> it( m );
+  
+    if ( it.count() > 0 && insertNavigationItems)
+      menu.insertSeparator();
+  
+    for( int i = 0; *it; ++it)
+    {
+      if( (*it)->type & KTextEditor::MarkInterface::markType01 )
+      {
+        QString 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(
+            QString("%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, SIGNAL(activated(int)), this, SLOT(gotoLineNumber(int)));
+  }
+  return insertedItems;
+}
+
+void QuantaBookmarks::bookmarkMenuAboutToShow()
+{
+  KConfig *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();
+  QValueList<Document*> openedDocuments = m_viewManager->openedDocuments();
+  if (doc && doc->markIf)
+  {
+    QPtrList<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 (QValueList<Document*>::Iterator it = openedDocuments.begin(); it != openedDocuments.end(); ++it)
+    {
+      if (*it != doc)
+      {
+        QPopupMenu *menu = new QPopupMenu(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)
+  {
+    QPtrList<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)
+  {
+    QPtrList<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();
+  const QObject *s = 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"
+
+// kate: space-indent on; indent-width 2; replace-tabs on;