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

1 files changed, 127 insertions, 0 deletions

diff --git a/kate/part/katefont.cpp b/kate/part/katefont.cpp
new file mode 100644
index 000000000..efab0268c
--- /dev/null
+++ b/kate/part/katefont.cpp
@@ -0,0 +1,127 @@
+/* This file is part of the KDE libraries
+   Copyright (C) 2002 Christian Couder <christian@kdevelop.org>
+   Copyright (C) 2001 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 "katefont.h"
+
+#include <kglobalsettings.h>
+
+#include <qfontinfo.h>
+
+//
+// KateFontMetrics implementation
+//
+
+KateFontMetrics::KateFontMetrics(const QFont& f) : QFontMetrics(f)
+{
+  for (int i=0; i<256; i++) warray[i]=0;
+}
+
+KateFontMetrics::~KateFontMetrics()
+{
+  for (int i=0; i<256; i++)
+    delete[] warray[i];
+}
+
+short * KateFontMetrics::createRow (short *wa, uchar row)
+{
+  wa=warray[row]=new short[256];
+
+  for (int i=0; i<256; i++) wa[i]=-1;
+
+  return wa;
+}
+
+int KateFontMetrics::width(QChar c)
+{
+  uchar cell=c.cell();
+  uchar row=c.row();
+  short *wa=warray[row];
+
+  if (!wa)
+    wa = createRow (wa, row);
+
+  if (wa[cell]<0) wa[cell]=(short) QFontMetrics::width(c);
+
+  return (int)wa[cell];
+}
+
+//
+// KateFontStruct implementation
+//
+
+KateFontStruct::KateFontStruct()
+: myFont(KGlobalSettings::fixedFont()),
+  myFontBold(KGlobalSettings::fixedFont()),
+  myFontItalic(KGlobalSettings::fixedFont()),
+  myFontBI(KGlobalSettings::fixedFont()),
+  myFontMetrics(myFont),
+  myFontMetricsBold(myFontBold),
+  myFontMetricsItalic(myFontItalic),
+  myFontMetricsBI(myFontBI),
+  m_fixedPitch (false)
+{
+  updateFontData ();
+}
+
+KateFontStruct::~KateFontStruct()
+{
+}
+
+void KateFontStruct::updateFontData ()
+{
+  int maxAscent = myFontMetrics.ascent();
+  int maxDescent = myFontMetrics.descent();
+
+  fontHeight = maxAscent + maxDescent + 1;
+  fontAscent = maxAscent;
+  
+  m_fixedPitch = QFontInfo( myFont ).fixedPitch();
+}
+
+void KateFontStruct::setFont (const QFont & font)
+{
+  QFontMetrics testFM (font);
+
+  // no valid font tried
+  if ((testFM.ascent() + testFM.descent() + 1) < 1)
+    return;
+
+  myFont = font;
+
+  myFontBold = QFont (font);
+  myFontBold.setBold (true);
+
+  myFontItalic = QFont (font);
+  myFontItalic.setItalic (true);
+
+  myFontBI = QFont (font);
+  myFontBI.setBold (true);
+  myFontBI.setItalic (true);
+
+  myFontMetrics = KateFontMetrics (myFont);
+  myFontMetricsBold = KateFontMetrics (myFontBold);
+  myFontMetricsItalic = KateFontMetrics (myFontItalic);
+  myFontMetricsBI = KateFontMetrics (myFontBI);
+
+  updateFontData ();
+}
+
+// kate: space-indent on; indent-width 2; replace-tabs on;