| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _ATRHNDL_HXX |
| #define _ATRHNDL_HXX |
| |
| #define INITIAL_NUM_ATTR 3 |
| #define NUM_ATTRIBUTE_STACKS 41 |
| |
| #include <txatbase.hxx> |
| #include <swfntcch.hxx> |
| |
| class SwAttrSet; |
| class IDocumentSettingAccess; |
| class ViewShell; |
| class SfxPoolItem; |
| extern const sal_uInt8 StackPos[]; |
| |
| /************************************************************************* |
| * class SwAttrHandler |
| * |
| * Used by Attribute Iterators to organize attributes on stacks to |
| * find the valid attribute in each category |
| *************************************************************************/ |
| |
| class SwAttrHandler |
| { |
| private: |
| |
| /************************************************************************* |
| * class SwAttrStack |
| * |
| * Container for SwTxtAttr Objects |
| *************************************************************************/ |
| |
| class SwAttrStack |
| { |
| private: |
| SwTxtAttr* pInitialArray[ INITIAL_NUM_ATTR ]; |
| SwTxtAttr** pArray; |
| sal_uInt16 nCount; // number of elements on stack |
| sal_uInt16 nSize; // number of positions in Array |
| |
| public: |
| // Ctor, Dtor |
| inline SwAttrStack(); |
| inline ~SwAttrStack() { |
| if ( nSize > INITIAL_NUM_ATTR ) delete [] pArray; } |
| |
| // reset stack |
| inline void Reset() { nCount = 0; }; |
| |
| // insert on top |
| inline void Push( const SwTxtAttr& rAttr ) { Insert( rAttr, nCount ); }; |
| // insert at specified position, take care for not inserting behind |
| // the value returned by Count() |
| void Insert( const SwTxtAttr& rAttr, const sal_uInt16 nPos ); |
| |
| // remove specified attribute |
| void Remove( const SwTxtAttr& rAttr ); |
| |
| // get attribute from top if exists, otherwise 0 |
| const SwTxtAttr* Top() const; |
| |
| // number of elements on stack |
| inline sal_uInt16 Count() const { return nCount; }; |
| |
| // returns position of rAttr on Stack if found, otherwise USHRT_MAX |
| // can be used for Remove of an attribute |
| sal_uInt16 Pos( const SwTxtAttr& rAttr ) const; |
| }; |
| |
| SwAttrStack aAttrStack[ NUM_ATTRIBUTE_STACKS ]; // stack collection |
| const SfxPoolItem* pDefaultArray[ NUM_DEFAULT_VALUES ]; |
| const IDocumentSettingAccess* mpIDocumentSettingAccess; |
| const ViewShell* mpShell; |
| |
| // This is the base font for the paragraph. It is stored in order to have |
| // a template, if we have to restart the attribute evaluation |
| SwFont* pFnt; |
| |
| sal_Bool bVertLayout; |
| |
| // change font according to pool item |
| void FontChg(const SfxPoolItem& rItem, SwFont& rFnt, sal_Bool bPush ); |
| |
| // push attribute to specified stack, returns true, if attribute has |
| // been pushed on top of stack (important for stacks containing different |
| // attributes with different priority and redlining) |
| sal_Bool Push( const SwTxtAttr& rAttr, const SfxPoolItem& rItem ); |
| |
| // apply top attribute on stack to font |
| void ActivateTop( SwFont& rFnt, sal_uInt16 nStackPos ); |
| |
| public: |
| // Ctor |
| SwAttrHandler(); |
| ~SwAttrHandler(); |
| |
| // set default attributes to values in rAttrSet or from cache |
| void Init( const SwAttrSet& rAttrSet, |
| const IDocumentSettingAccess& rIDocumentSettingAccess, |
| const ViewShell* pShell ); |
| void Init( const SfxPoolItem** pPoolItem, const SwAttrSet* pAttrSet, |
| const IDocumentSettingAccess& rIDocumentSettingAccess, |
| const ViewShell* pShell, SwFont& rFnt, |
| sal_Bool bVertLayout ); |
| |
| // remove everything from internal stacks, keep default data |
| void Reset( ); |
| |
| // insert specified attribute and change font |
| void PushAndChg( const SwTxtAttr& rAttr, SwFont& rFnt ); |
| |
| // remove specified attribute and reset font |
| void PopAndChg( const SwTxtAttr& rAttr, SwFont& rFnt ); |
| void Pop( const SwTxtAttr& rAttr ); |
| |
| // apply script dependent attributes |
| // void ChangeScript( SwFont& rFnt, const sal_uInt8 nScr ); |
| |
| // returns the default value for stack nStack |
| inline const SfxPoolItem& GetDefault( const sal_uInt16 nAttribID ) const; |
| // do not call these if you only used the small init function |
| inline void ResetFont( SwFont& rFnt ) const; |
| inline const SwFont* GetFont() const; |
| |
| void GetDefaultAscentAndHeight(ViewShell* pShell, |
| OutputDevice& rOut, |
| sal_uInt16& nAscent, |
| sal_uInt16& nHeight) const; |
| }; |
| |
| inline const SfxPoolItem& SwAttrHandler::GetDefault( const sal_uInt16 nAttribID ) const |
| { |
| ASSERT( nAttribID < RES_TXTATR_END, |
| "this attrib does not ex." |
| ); |
| ASSERT( pDefaultArray[ StackPos[ nAttribID ] ], "array not initialized" ); |
| return *pDefaultArray[ StackPos[ nAttribID ] ]; |
| } |
| |
| inline void SwAttrHandler::ResetFont( SwFont& rFnt ) const |
| { |
| ASSERT( pFnt, "ResetFont without a font" ); |
| if ( pFnt ) |
| rFnt = *pFnt; |
| }; |
| |
| inline const SwFont* SwAttrHandler::GetFont() const |
| { |
| return pFnt; |
| }; |
| |
| #endif |