LibreOffice Module sw (master)  1
atrhndl.hxx
Go to the documentation of this file.
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 #pragma once
21 #define NUM_ATTRIBUTE_STACKS 45
22 
23 #include <vector>
24 #include <swfntcch.hxx>
25 
26 class SwTextAttr;
27 class SwAttrSet;
29 class SwViewShell;
30 class SfxPoolItem;
31 extern const sal_uInt8 StackPos[];
32 
38 {
39 private:
40  std::vector<const SwTextAttr*> m_aAttrStack[NUM_ATTRIBUTE_STACKS]; // stack collection
44 
45  // This is the base font for the paragraph. It is stored in order to have
46  // a template, if we have to restart the attribute evaluation
47  std::optional<SwFont> m_oFnt;
48 
51 
52  const SwTextAttr* GetTop(sal_uInt16 nStack);
53  void RemoveFromStack(sal_uInt16 nWhich, const SwTextAttr& rAttr);
54 
55  // change font according to pool item
56  void FontChg(const SfxPoolItem& rItem, SwFont& rFnt, bool bPush );
57 
58  // push attribute to specified stack, returns true, if attribute has
59  // been pushed on top of stack (important for stacks containing different
60  // attributes with different priority and redlining)
61  bool Push( const SwTextAttr& rAttr, const SfxPoolItem& rItem );
62 
63  // apply top attribute on stack to font
64  void ActivateTop( SwFont& rFnt, sal_uInt16 nStackPos );
65 
66 public:
67  // Ctor
68  SwAttrHandler();
70 
71  // set default attributes to values in rAttrSet or from cache
72  void Init( const SwAttrSet& rAttrSet,
73  const IDocumentSettingAccess& rIDocumentSettingAccess );
74  void Init( const SfxPoolItem** pPoolItem, const SwAttrSet* pAttrSet,
75  const IDocumentSettingAccess& rIDocumentSettingAccess,
76  const SwViewShell* pShell, SwFont& rFnt,
77  bool bVertLayout, bool bVertLayoutLRBT );
78 
79  bool IsVertLayout() const { return m_bVertLayout; }
80 
81  // remove everything from internal stacks, keep default data
82  void Reset( );
83 
84  // insert specified attribute and change font
85  void PushAndChg( const SwTextAttr& rAttr, SwFont& rFnt );
86 
87  // remove specified attribute and reset font
88  void PopAndChg( const SwTextAttr& rAttr, SwFont& rFnt );
89  void Pop( const SwTextAttr& rAttr );
90 
91  // apply script dependent attributes
92  // void ChangeScript( SwFont& rFnt, const sal_uInt8 nScr );
93 
94  // do not call these if you only used the small init function
95  inline void ResetFont( SwFont& rFnt ) const;
96  inline const SwFont* GetFont() const;
97 
98  void GetDefaultAscentAndHeight(SwViewShell const * pShell,
99  OutputDevice const & rOut,
100  sal_uInt16& nAscent,
101  sal_uInt16& nHeight) const;
102 };
103 
104 inline void SwAttrHandler::ResetFont( SwFont& rFnt ) const
105 {
106  OSL_ENSURE(m_oFnt, "ResetFont without a font");
107  if (m_oFnt)
108  rFnt = *m_oFnt;
109 };
110 
111 inline const SwFont* SwAttrHandler::GetFont() const
112 {
113  return m_oFnt ? &*m_oFnt : nullptr;
114 };
115 
116 
117 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
void Pop(const SwTextAttr &rAttr)
Only used during redlining.
Definition: atrstck.cxx:462
void PopAndChg(const SwTextAttr &rAttr, SwFont &rFnt)
Definition: atrstck.cxx:422
void FontChg(const SfxPoolItem &rItem, SwFont &rFnt, bool bPush)
When popping an attribute from the stack, the top more remaining attribute in the stack becomes valid...
Definition: atrstck.cxx:564
const SfxPoolItem * m_pDefaultArray[NUM_DEFAULT_VALUES]
Definition: atrhndl.hxx:41
void ResetFont(SwFont &rFnt) const
Definition: atrhndl.hxx:104
#define NUM_DEFAULT_VALUES
Definition: swfntcch.hxx:22
const SwFont * GetFont() const
Definition: atrhndl.hxx:111
bool m_bVertLayoutLRBT
Definition: atrhndl.hxx:50
bool m_bVertLayout
Definition: atrhndl.hxx:49
A wrapper around SfxPoolItem to store the start position of (usually) a text portion, with an optional end.
Definition: txatbase.hxx:43
Used by Attribute Iterators to organize attributes on stacks to find the valid attribute in each cate...
Definition: atrhndl.hxx:37
const sal_uInt8 StackPos[]
Attribute to Stack Mapping.
Definition: atrstck.cxx:68
void Reset()
Definition: atrstck.cxx:331
void Init(const SwAttrSet &rAttrSet, const IDocumentSettingAccess &rIDocumentSettingAccess)
Definition: atrstck.cxx:277
#define NUM_ATTRIBUTE_STACKS
Definition: atrhndl.hxx:21
bool IsVertLayout() const
Definition: atrhndl.hxx:79
const IDocumentSettingAccess * m_pIDocumentSettingAccess
Definition: atrhndl.hxx:42
Provides access to settings of a document.
void RemoveFromStack(sal_uInt16 nWhich, const SwTextAttr &rAttr)
Definition: atrstck.cxx:414
void GetDefaultAscentAndHeight(SwViewShell const *pShell, OutputDevice const &rOut, sal_uInt16 &nAscent, sal_uInt16 &nHeight) const
Takes the default font and calculated the ascent and height.
Definition: atrstck.cxx:838
bool Push(const SwTextAttr &rAttr, const SfxPoolItem &rItem)
Definition: atrstck.cxx:386
const SwTextAttr * GetTop(sal_uInt16 nStack)
Definition: atrstck.cxx:381
std::optional< SwFont > m_oFnt
Definition: atrhndl.hxx:47
const SwViewShell * m_pShell
Definition: atrhndl.hxx:43
unsigned char sal_uInt8
void ActivateTop(SwFont &rFnt, sal_uInt16 nStackPos)
Definition: atrstck.cxx:473
std::vector< const SwTextAttr * > m_aAttrStack[NUM_ATTRIBUTE_STACKS]
Definition: atrhndl.hxx:40
void PushAndChg(const SwTextAttr &rAttr, SwFont &rFnt)
Definition: atrstck.cxx:337