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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_SW_SOURCE_CORE_TEXT_ATRHNDL_HXX
21 : #define INCLUDED_SW_SOURCE_CORE_TEXT_ATRHNDL_HXX
22 :
23 : #define INITIAL_NUM_ATTR 3
24 : #define NUM_ATTRIBUTE_STACKS 44
25 :
26 : #include <txatbase.hxx>
27 : #include <swfntcch.hxx>
28 :
29 : class SwAttrSet;
30 : class IDocumentSettingAccess;
31 : class SwViewShell;
32 : class SfxPoolItem;
33 : extern const sal_uInt8 StackPos[];
34 :
35 : /**
36 : * Used by Attribute Iterators to organize attributes on stacks to
37 : * find the valid attribute in each category
38 : */
39 : class SwAttrHandler
40 : {
41 : private:
42 :
43 : /// Container for SwTextAttr Objects
44 : class SwAttrStack
45 : {
46 : private:
47 : SwTextAttr* pInitialArray[ INITIAL_NUM_ATTR ];
48 : SwTextAttr** pArray;
49 : sal_uInt16 nCount; // number of elements on stack
50 : sal_uInt16 nSize; // number of positions in Array
51 :
52 : public:
53 : // Ctor, Dtor
54 : inline SwAttrStack();
55 8164244 : inline ~SwAttrStack() {
56 8164244 : if ( nSize > INITIAL_NUM_ATTR ) delete [] pArray; }
57 :
58 : // reset stack
59 2732840 : inline void Reset() { nCount = 0; };
60 :
61 : // insert on top
62 235544 : inline void Push( const SwTextAttr& rAttr ) { Insert( rAttr, nCount ); };
63 : // insert at specified position, take care for not inserting behind
64 : // the value returned by Count()
65 : void Insert( const SwTextAttr& rAttr, const sal_uInt16 nPos );
66 :
67 : // remove specified attribute
68 : void Remove( const SwTextAttr& rAttr );
69 :
70 : // get attribute from top if exists, otherwise 0
71 : const SwTextAttr* Top() const;
72 :
73 : // number of elements on stack
74 1416 : inline sal_uInt16 Count() const { return nCount; };
75 :
76 : // returns position of rAttr on Stack if found, otherwise USHRT_MAX
77 : // can be used for Remove of an attribute
78 : sal_uInt16 Pos( const SwTextAttr& rAttr ) const;
79 : };
80 :
81 : SwAttrStack aAttrStack[ NUM_ATTRIBUTE_STACKS ]; // stack collection
82 : const SfxPoolItem* pDefaultArray[ NUM_DEFAULT_VALUES ];
83 : const IDocumentSettingAccess* mpIDocumentSettingAccess;
84 : const SwViewShell* mpShell;
85 :
86 : // This is the base font for the paragraph. It is stored in order to have
87 : // a template, if we have to restart the attribute evaluation
88 : SwFont* pFnt;
89 :
90 : bool bVertLayout;
91 :
92 : // change font according to pool item
93 : void FontChg(const SfxPoolItem& rItem, SwFont& rFnt, bool bPush );
94 :
95 : // push attribute to specified stack, returns true, if attribute has
96 : // been pushed on top of stack (important for stacks containing different
97 : // attributes with different priority and redlining)
98 : bool Push( const SwTextAttr& rAttr, const SfxPoolItem& rItem );
99 :
100 : // apply top attribute on stack to font
101 : void ActivateTop( SwFont& rFnt, sal_uInt16 nStackPos );
102 :
103 : public:
104 : // Ctor
105 : SwAttrHandler();
106 : ~SwAttrHandler();
107 :
108 : // set default attributes to values in rAttrSet or from cache
109 : void Init( const SwAttrSet& rAttrSet,
110 : const IDocumentSettingAccess& rIDocumentSettingAccess,
111 : const SwViewShell* pShell );
112 : void Init( const SfxPoolItem** pPoolItem, const SwAttrSet* pAttrSet,
113 : const IDocumentSettingAccess& rIDocumentSettingAccess,
114 : const SwViewShell* pShell, SwFont& rFnt,
115 : bool bVertLayout );
116 :
117 : // remove everything from internal stacks, keep default data
118 : void Reset( );
119 :
120 : // insert specified attribute and change font
121 : void PushAndChg( const SwTextAttr& rAttr, SwFont& rFnt );
122 :
123 : // remove specified attribute and reset font
124 : void PopAndChg( const SwTextAttr& rAttr, SwFont& rFnt );
125 : void Pop( const SwTextAttr& rAttr );
126 :
127 : // apply script dependent attributes
128 : // void ChangeScript( SwFont& rFnt, const sal_uInt8 nScr );
129 :
130 : // returns the default value for stack nStack
131 : inline const SfxPoolItem& GetDefault( const sal_uInt16 nAttribID ) const;
132 : // do not call these if you only used the small init function
133 : inline void ResetFont( SwFont& rFnt ) const;
134 : inline const SwFont* GetFont() const;
135 :
136 : void GetDefaultAscentAndHeight(SwViewShell* pShell,
137 : OutputDevice& rOut,
138 : sal_uInt16& nAscent,
139 : sal_uInt16& nHeight) const;
140 : };
141 :
142 : inline const SfxPoolItem& SwAttrHandler::GetDefault( const sal_uInt16 nAttribID ) const
143 : {
144 : OSL_ENSURE( nAttribID < RES_TXTATR_END,
145 : "this attrib does not ex."
146 : );
147 : OSL_ENSURE( pDefaultArray[ StackPos[ nAttribID ] ], "array not initialized" );
148 : return *pDefaultArray[ StackPos[ nAttribID ] ];
149 : }
150 :
151 62110 : inline void SwAttrHandler::ResetFont( SwFont& rFnt ) const
152 : {
153 : OSL_ENSURE( pFnt, "ResetFont without a font" );
154 62110 : if ( pFnt )
155 62110 : rFnt = *pFnt;
156 62110 : };
157 :
158 623 : inline const SwFont* SwAttrHandler::GetFont() const
159 : {
160 623 : return pFnt;
161 : };
162 :
163 : #endif
164 :
165 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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