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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 koparaglayout_h
#define koparaglayout_h
#include <KoRuler.h> // for KoTabulatorList
#include <tqdom.h>
#include "KoBorder.h"
#include <koffice_export.h>
class KoSavingContext;
class KoGenStyle;
class KoParagCounter;
class KoParagStyle;
class KoOasisContext;
class TQColor;
/**
* This class holds the paragraph-specific formatting information
* It's separated from KoTextParag so that it can be copied in
* the undo/redo history, and in KoParagStyle.
*/
class KOTEXT_EXPORT KoParagLayout
{
public:
KoParagLayout();
KoParagLayout( const KoParagLayout &layout ) { operator=( layout ); }
~KoParagLayout();
/** This enum is used to mark parts of a KoParagLayout as changed
* (i.e. when changing them in the dialog/stylist) */
enum { Alignment = 1,
BulletNumber = 2, // TODO: we can use Counter now :)
Margins = 4,
LineSpacing = 8,
Borders = 16,
Tabulator = 32,
PageBreaking = 64,
BackgroundColor = 128,
/* Style is maybe missing */
All = Alignment | BulletNumber | Margins | LineSpacing |
Borders | Tabulator | PageBreaking | BackgroundColor
} Flags;
/** Page breaking flags */
enum {
BreakBetweenLines = 0, // default
KeepLinesTogether = 1,
HardFrameBreakBefore = 2, // incompatible with KeepWithPrevious
HardFrameBreakAfter = 4, // incompatible with KeepWithNext
KeepWithPrevious = 8, // incompatible with HardFrameBreakBefore
KeepWithNext = 16 // incompatible with HardFrameBreakAfter
};
// This class is used as a struct, which explains the public vars :)
/** left, right, top, bottom, firstLineSpacing - in pt */
double margins[5];
/**
* Line spacing values
* Assuming h is the height of the biggest char in the line,
* and v is the linespacing value, the total line height is:
*
* Single: h
* 1.5/2/multiple: v*h
* Custom (aka "line distance"): h + v
* At least: >= v
* Fixed: v
*/
enum SpacingType { LS_SINGLE = 0, LS_ONEANDHALF = -1, LS_DOUBLE = -2,
LS_CUSTOM = -3, LS_AT_LEAST = -4, LS_MULTIPLE = -5, LS_FIXED = -6 };
SpacingType lineSpacingType;
double lineSpacingValue() const { return lineSpacing;}
void setLineSpacingValue(double _value) { lineSpacing = _value;}
static TQString* shadowCssCompat; // used for compat with koffice-1.2 when loading
bool joinBorder:1;
bool unused:7; // for future use
char pageBreaking; // Page breaking flags
char direction; // TQChar::Direction
/// Alignment flag (AlignAuto/AlignLeft/AlignRight/AlignJustify)
char alignment; // TQt::AlignmentFlags
KoBorder leftBorder, rightBorder, topBorder, bottomBorder;
/// The background color of the paragraph
/**
* The background color is used for text that has no background color set,
* and for parts of the paragraph that are not covered by text.
* In theory anyway: the background colour isn't used in rendering text
* yet, but it's nice to preserve the value.
*/
TQColor backgroundColor;
/** can be 0 if no counter set */
KoParagCounter* counter;
KoParagStyle* style;
bool hasBorder() const { return topBorder.penWidth() > 0
|| bottomBorder.penWidth() > 0
|| leftBorder.penWidth() > 0
|| rightBorder.penWidth() > 0; }
void setTabList( const KoTabulatorList & tabList ) { m_tabList = tabList; }
const KoTabulatorList& tabList() const { return m_tabList; }
//! Assignment operator for KoParagLayout
/** Copy a paragraph layout.
*
* If you're modifying this, you might also need to modify
* KoTextParag::setParagLayout
*/
void operator=( const KoParagLayout & );
/** Return a set of flags showing the differences between this and 'layout' */
int compare( const KoParagLayout & layout ) const;
/** Save this parag layout to XML.
* This format is used by KWord for paragraphs, and by KPresenter+KWord for styles.
*/
void saveParagLayout( TQDomElement & parentElem, int alignment ) const;
/** Load this parag layout from XML.
* This format is used by KWord for paragraphs, and by KPresenter+KWord for styles.
*/
static void loadParagLayout( KoParagLayout& layout, const TQDomElement& parentElem, int docVersion = 2 );
/// Load this parag layout from Oasis XML
static void loadOasisParagLayout( KoParagLayout& layout, KoOasisContext& context );
/// Save this parag layout to Oasis XML
/// @param savingStyle true if this is saved as part of a user style,
/// false when saving a paragraph
/// @param gs the style where all the properties will be saved to
/// @param context the current context
void saveOasis( KoGenStyle& gs, KoSavingContext& context, bool savingStyle ) const;
/// Convert an alignment string into an alignment flag (load)
static TQt::AlignmentFlags loadOasisAlignment( const TQCString& str );
/// Convert an alignment flag into an alignment string (save)
static TQCString saveOasisAlignment( TQt::AlignmentFlags alignment );
private:
static int getAttribute(const TQDomElement &element, const char *attributeName, int defaultValue) {
TQString value = element.attribute( attributeName );
return value.isNull() ? defaultValue : value.toInt();
}
static double getAttribute(const TQDomElement &element, const char *attributeName, double defaultValue) {
TQString value = element.attribute( attributeName );
return value.isNull() ? defaultValue : value.toDouble();
}
private:
KoTabulatorList m_tabList;
double lineSpacing;
class Private;
Private *d;
/** Common setup. */
void initialise();
};
#endif
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