tdf#130857 qt weld: Implement QtInstanceWidget::get_text_height
[LibreOffice.git] / fpicker / source / win32 / FilterContainer.hxx
bloba1e498cef3f0b91a06c1c5221bbede63ff802355
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
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17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
20 #pragma once
22 #include <sal/types.h>
23 #include <rtl/ustring.hxx>
25 #include <vector>
28 // helper class, only usable by OFilterContainer
31 class CFilterContainer
33 public:
34 // defines a filter entry which is made of a name and a filter value
35 // e.g. 'Text *.txt'
36 typedef std::pair< OUString, OUString > FILTER_ENTRY_T;
38 public:
39 explicit CFilterContainer( sal_Int32 initSize = 0 );
41 // add a new filter
42 // returns true if the filter was successfully added
43 // returns false if duplicates are not allowed and
44 // the filter is already in the container
45 bool addFilter(
46 const OUString& aName,
47 const OUString& aFilter,
48 bool bAllowDuplicates = false );
50 // delete the specified filter returns true on
51 // success and false if the filter was not found
52 bool delFilter( const OUString& aName );
54 // the number of filter already added
55 sal_Int32 numFilter( );
57 // clear all entries
58 void empty( );
60 // retrieve a filter from the container. These methods
61 // return true on success and false if the specified
62 // filter was not found
63 bool getFilterByName(const OUString& aName, OUString& theFilter) const;
64 bool getFilterByIndex(sal_Int32 aIndex, OUString& theFilter) const;
65 bool getFilterNameByIndex(sal_Int32 aIndex, OUString& theName) const;
67 // returns the position of the specified filter or -1
68 // if the filter was not found
69 sal_Int32 getFilterPos( const OUString& aName ) const;
71 // starts enumerating the filter in the container
72 void beginEnumFilter( );
74 // returns true if another filter has been retrieved
75 bool getNextFilter( FILTER_ENTRY_T& nextFilterEntry );
77 // cache current filter
78 void setCurrentFilter( const OUString& aName );
80 // returns cached current filter
81 OUString getCurrentFilter() const;
83 protected:
84 typedef std::vector< FILTER_ENTRY_T > FILTER_VECTOR_T;
86 private:
87 // prevent copy and assignment
88 CFilterContainer( const CFilterContainer& );
89 CFilterContainer& SAL_CALL operator=( const CFilterContainer& );
91 sal_Int32 getFilterTagPos( const OUString& aName ) const;
93 private:
94 FILTER_VECTOR_T m_vFilters;
95 FILTER_VECTOR_T::const_iterator m_iter;
96 bool m_bIterInitialized;
97 OUString m_sCurrentFilter;
101 // a helper function to create a filter buffer in the format
102 // the Win32 API requires, e.g. "Text\0*.txt\0Doc\0*.doc;*xls\0\0"
105 OUString makeWinFilterBuffer( CFilterContainer& aFilterContainer );
107 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */