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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /kate/part/katecursor.cpp
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
tdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kate/part/katecursor.cpp')
-rw-r--r--kate/part/katecursor.cpp192
1 files changed, 192 insertions, 0 deletions
diff --git a/kate/part/katecursor.cpp b/kate/part/katecursor.cpp
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+++ b/kate/part/katecursor.cpp
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+/* This file is part of the KDE libraries
+ Copyright (C) 2002 Christian Couder <christian@kdevelop.org>
+ Copyright (C) 2001, 2003 Christoph Cullmann <cullmann@kde.org>
+ Copyright (C) 2001 Joseph Wenninger <jowenn@kde.org>
+ Copyright (C) 1999 Jochen Wilhelmy <digisnap@cs.tu-berlin.de>
+
+ 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 "katecursor.h"
+
+#include "katedocument.h"
+#include "katetextline.h"
+
+//
+// KateDocCursor implementation
+//
+
+KateDocCursor::KateDocCursor(KateDocument *doc) : KateTextCursor(), m_doc(doc)
+{
+}
+
+KateDocCursor::KateDocCursor(int line, int col, KateDocument *doc)
+ : KateTextCursor(line, col), m_doc(doc)
+{
+}
+
+bool KateDocCursor::validPosition(uint line, uint col)
+{
+ return line < m_doc->numLines() && (int)col <= m_doc->lineLength(line);
+}
+
+bool KateDocCursor::validPosition()
+{
+ return validPosition(line(), col());
+}
+
+void KateDocCursor::position(uint *pline, uint *pcol) const
+{
+ if (pline)
+ *pline = (uint)line();
+
+ if (pcol)
+ *pcol = (uint)col();
+}
+
+bool KateDocCursor::setPosition(uint line, uint col)
+{
+ bool ok = validPosition(line, col);
+
+ if(ok)
+ setPos(line, col);
+
+ return ok;
+}
+
+bool KateDocCursor::gotoNextLine()
+{
+ bool ok = (line() + 1 < (int)m_doc->numLines());
+
+ if (ok) {
+ m_line++;
+ m_col = 0;
+ }
+
+ return ok;
+}
+
+bool KateDocCursor::gotoPreviousLine()
+{
+ bool ok = (line() > 0);
+
+ if (ok) {
+ m_line--;
+ m_col = 0;
+ }
+
+ return ok;
+}
+
+bool KateDocCursor::gotoEndOfNextLine()
+{
+ bool ok = gotoNextLine();
+ if(ok)
+ m_col = m_doc->lineLength(line());
+
+ return ok;
+}
+
+bool KateDocCursor::gotoEndOfPreviousLine()
+{
+ bool ok = gotoPreviousLine();
+ if(ok)
+ m_col = m_doc->lineLength(line());
+
+ return ok;
+}
+
+int KateDocCursor::nbCharsOnLineAfter()
+{
+ return ((int)m_doc->lineLength(line()) - col());
+}
+
+bool KateDocCursor::moveForward(uint nbChar)
+{
+ int nbCharLeft = nbChar - nbCharsOnLineAfter();
+
+ if(nbCharLeft > 0) {
+ return gotoNextLine() && moveForward((uint)nbCharLeft);
+ } else {
+ m_col += nbChar;
+ return true;
+ }
+}
+
+bool KateDocCursor::moveBackward(uint nbChar)
+{
+ int nbCharLeft = nbChar - m_col;
+ if(nbCharLeft > 0) {
+ return gotoEndOfPreviousLine() && moveBackward((uint)nbCharLeft);
+ } else {
+ m_col -= nbChar;
+ return true;
+ }
+}
+
+bool KateDocCursor::insertText(const QString& s)
+{
+ return m_doc->insertText(line(), col(), s);
+}
+
+bool KateDocCursor::removeText(uint nbChar)
+{
+ // Get a cursor at the end of the removed area
+ KateDocCursor endCursor = *this;
+ endCursor.moveForward(nbChar);
+
+ // Remove the text
+ return m_doc->removeText((uint)line(), (uint)col(),
+ (uint)endCursor.line(), (uint)endCursor.col());
+}
+
+QChar KateDocCursor::currentChar() const
+{
+ return m_doc->plainKateTextLine(line())->getChar(col());
+}
+
+uchar KateDocCursor::currentAttrib() const
+{
+ return m_doc->plainKateTextLine(line())->attribute(col());
+}
+
+bool KateDocCursor::nextNonSpaceChar()
+{
+ for(; m_line < (int)m_doc->numLines(); m_line++) {
+ m_col = m_doc->plainKateTextLine(line())->nextNonSpaceChar(col());
+ if(m_col != -1)
+ return true; // Next non-space char found
+ m_col = 0;
+ }
+ // No non-space char found
+ setPos(-1, -1);
+ return false;
+}
+
+bool KateDocCursor::previousNonSpaceChar()
+{
+ while (true) {
+ m_col = m_doc->plainKateTextLine(line())->previousNonSpaceChar(col());
+ if(m_col != -1) return true; // Previous non-space char found
+ if(m_line == 0) return false;
+ --m_line;
+ m_col = m_doc->plainKateTextLine(m_line)->length();
+ }
+ // No non-space char found
+ setPos(-1, -1);
+ return false;
+}
+
+// kate: space-indent on; indent-width 2; replace-tabs on;