Added old abandoned KDE3 version of koffice

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 114 insertions, 0 deletions

diff --git a/lib/kotext/KoTextFormatter.h b/lib/kotext/KoTextFormatter.h
new file mode 100644
index 00000000..ad120437
--- /dev/null
+++ b/lib/kotext/KoTextFormatter.h
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+/* This file is part of the KDE project
+   Copyright (C) 2001 David Faure <faure@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 as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   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.
+*/
+
+#ifndef kotextformatter_h
+#define kotextformatter_h
+
+#include "KoRichText.h"
+class KoTextZoomHandler;
+class KoHyphenator;
+
+/**
+ * We implement our own text formatter to implement WYSIWYG:
+ * It is heavily based on KoTextFormatterBaseBreakWords, but stores the x position
+ * of characters (and their width) in pixels, whereas all the rest is in L.U.
+ * It also implements hyphenation.
+ * @author David Faure <faure@kde.org>
+ */
+class KOTEXT_EXPORT KoTextFormatter : public KoTextFormatterBase
+{
+public:
+    KoTextFormatter();
+    virtual ~KoTextFormatter();
+
+    virtual bool format( KoTextDocument *doc, KoTextParag *parag, int start, const QMap<int, KoTextParagLineStart*> &oldLineStarts, int& y, int& widthUsed );
+
+    // Called after formatting a paragraph
+    virtual void postFormat( KoTextParag* parag );
+
+    KoHyphenator* hyphenator() {
+        return m_hyphenator;
+    }
+private:
+    KoHyphenator* m_hyphenator;
+};
+
+// Internal class for KoTextFormatter, holds all the temporary data
+// KoTextFormatter is basically the settings and the algorithm being used
+// KoTextFormatterCore is where the formatting really happens
+class KoTextFormatterCore
+{
+public:
+    KoTextFormatterCore( KoTextFormatter* settings, KoTextDocument *doc, KoTextParag *parag, int start );
+
+    bool format();
+
+    // widthUsed is the width of the wider line (with the current
+    // word-breaking, margins included, but e.g. centering not included).
+    // Unused in KWord currently, this is however used by KPresenter's
+    // "resize object to fit contents" feature.
+    int widthUsed() const { return wused; }
+    int resultY() const { return y; }
+
+protected:
+    // Return ww (in LU) and pixelww (in pixels)
+    // Should be called only once per char
+    QPair<int, int> determineCharWidth();
+
+    KoTextParagLineStart *koFormatLine(
+        KoTextZoomHandler *zh,
+        KoTextParag * /*parag*/, KoTextString *string, KoTextParagLineStart *line,
+        KoTextStringChar *startChar, KoTextStringChar *lastChar, int align, int space );
+
+    KoTextParagLineStart *koBidiReorderLine(
+        KoTextZoomHandler *zh,
+        KoTextParag * /*parag*/, KoTextString *text, KoTextParagLineStart *line,
+        KoTextStringChar *startChar, KoTextStringChar *lastChar, int align, int space );
+
+    void moveChar( KoTextStringChar& chr, KoTextZoomHandler *zh,
+                   int deltaX, int deltaPixelX );
+
+    // Total left margin for a given line
+    // Takes into account parag's leftmargin, firstlinemargin and counter,
+    // but not adjustMargins (application hook)
+    int leftMargin( bool firstLine, bool includeFirstLineMargin = true ) const;
+    int rightMargin( bool firstLine ) const;
+
+
+private:
+    KoTextFormatter* settings;
+    KoTextDocument* doc;
+    KoTextParag* parag;
+    int start; // always 0 currently
+    int wused; // see widthUsed
+    int y;
+    int availableWidth;
+    int maxY;
+
+    // When moving a big item down, we might want to rollback
+    // to the 'best position for it' if we can't make it fit anywhere else.
+    QPair<int,int> maxAvailableWidth; // first=y  second=available width
+
+    // Information on current char
+    KoTextStringChar *c;
+    int i; // index number (in the paragraph)
+    int x; // X position (in LU)
+};
+
+#endif