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2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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11 * http://www.apache.org/licenses/LICENSE-2.0
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21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_editeng.hxx"
26
27 #include <algorithm>
28 #include <tools/debug.hxx>
29 #include <vcl/outdev.hxx>
30
31 #include <editeng/svxfont.hxx>
32 #include <editeng/AccessibleStringWrap.hxx>
33
34 //------------------------------------------------------------------------
35 //
36 // AccessibleStringWrap implementation
37 //
38 //------------------------------------------------------------------------
39
AccessibleStringWrap(OutputDevice & rDev,SvxFont & rFont,const String & rText)40 AccessibleStringWrap::AccessibleStringWrap( OutputDevice& rDev, SvxFont& rFont, const String& rText ) :
41 mrDev( rDev ),
42 mrFont( rFont ),
43 maText( rText )
44 {
45 }
46
GetCharacterBounds(sal_Int32 nIndex,Rectangle & rRect)47 sal_Bool AccessibleStringWrap::GetCharacterBounds( sal_Int32 nIndex, Rectangle& rRect )
48 {
49 DBG_ASSERT(nIndex >= 0 && nIndex <= USHRT_MAX,
50 "SvxAccessibleStringWrap::GetCharacterBounds: index value overflow");
51
52 mrFont.SetPhysFont( &mrDev );
53
54 // #108900# Handle virtual position one-past-the end of the string
55 if( nIndex >= maText.Len() )
56 {
57 // create a caret bounding rect that has the height of the
58 // current font and is one pixel wide.
59 rRect.Left() = mrDev.GetTextWidth(maText);
60 rRect.Top() = 0;
61 rRect.SetSize( Size(mrDev.GetTextHeight(), 1) );
62 }
63 else
64 {
65 sal_Int32 aXArray[2];
66 mrDev.GetCaretPositions( maText, aXArray, static_cast< sal_uInt16 >(nIndex), 1 );
67 rRect.Left() = 0;
68 rRect.Top() = 0;
69 rRect.SetSize( Size(mrDev.GetTextHeight(), labs(aXArray[0] - aXArray[1])) );
70 rRect.Move( ::std::min(aXArray[0], aXArray[1]), 0 );
71 }
72
73 if( mrFont.IsVertical() )
74 {
75 // #101701# Rotate to vertical
76 rRect = Rectangle( Point(-rRect.Top(), rRect.Left()),
77 Point(-rRect.Bottom(), rRect.Right()));
78 }
79
80 return sal_True;
81 }
82
GetIndexAtPoint(const Point & rPoint)83 sal_Int32 AccessibleStringWrap::GetIndexAtPoint( const Point& rPoint )
84 {
85 // search for character bounding box containing given point
86 Rectangle aRect;
87 sal_Int32 i, nLen = maText.Len();
88 for( i=0; i<nLen; ++i )
89 {
90 GetCharacterBounds(i, aRect);
91 if( aRect.IsInside(rPoint) )
92 return i;
93 }
94
95 return -1;
96 }
97