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Diffstat (limited to 'vcl/aqua/source/a11y/aqua11ytextwrapper.mm')
-rw-r--r-- | vcl/aqua/source/a11y/aqua11ytextwrapper.mm | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/vcl/aqua/source/a11y/aqua11ytextwrapper.mm b/vcl/aqua/source/a11y/aqua11ytextwrapper.mm new file mode 100644 index 000000000000..89c164e5e0b9 --- /dev/null +++ b/vcl/aqua/source/a11y/aqua11ytextwrapper.mm @@ -0,0 +1,289 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_vcl.hxx" + +#include "salinst.h" +#include "aqua11ytextwrapper.h" +#include "aqua11ytextattributeswrapper.h" +#include "aqua11yutil.h" +#include <com/sun/star/accessibility/AccessibleTextType.hpp> +#include <com/sun/star/awt/Rectangle.hpp> + +using namespace ::com::sun::star::accessibility; +using namespace ::com::sun::star::awt; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::uno; +using namespace ::rtl; + +// Wrapper for XAccessibleText, XAccessibleEditableText and XAccessibleMultiLineText + +@implementation AquaA11yTextWrapper : NSObject + ++(id)valueAttributeForElement:(AquaA11yWrapper *)wrapper { + return CreateNSString ( [ wrapper accessibleText ] -> getText() ); +} + ++(void)setValueAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value { + // TODO +} + ++(id)numberOfCharactersAttributeForElement:(AquaA11yWrapper *)wrapper { + return [ NSNumber numberWithLong: [ wrapper accessibleText ] -> getCharacterCount() ]; +} + ++(id)selectedTextAttributeForElement:(AquaA11yWrapper *)wrapper { + return CreateNSString ( [ wrapper accessibleText ] -> getSelectedText() ); +} + ++(void)setSelectedTextAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value { + if ( [ wrapper accessibleEditableText ] != nil ) { + NSAutoreleasePool * pool = [ [ NSAutoreleasePool alloc ] init ]; + OUString newText = GetOUString ( (NSString *) value ); + NSRange selectedTextRange = [ [ AquaA11yTextWrapper selectedTextRangeAttributeForElement: wrapper ] rangeValue ]; + try { + [ wrapper accessibleEditableText ] -> replaceText ( selectedTextRange.location, selectedTextRange.location + selectedTextRange.length, newText ); + } catch ( const Exception & e ) { + // empty + } + [ pool release ]; + } +} + ++(id)selectedTextRangeAttributeForElement:(AquaA11yWrapper *)wrapper { + sal_Int32 start = [ wrapper accessibleText ] -> getSelectionStart(); + sal_Int32 end = [ wrapper accessibleText ] -> getSelectionEnd(); + if ( start != end ) { + return [ NSValue valueWithRange: NSMakeRange ( start, end - start ) ]; // true selection + } else { + long caretPos = [ wrapper accessibleText ] -> getCaretPosition(); + if ( caretPos < 0 || caretPos > [ wrapper accessibleText ] -> getCharacterCount() ) { + return nil; + } + return [ NSValue valueWithRange: NSMakeRange ( caretPos, 0 ) ]; // insertion point + } +} + ++(void)setSelectedTextRangeAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value { + NSRange range = [ value rangeValue ]; + try { + [ wrapper accessibleText ] -> setSelection ( range.location, range.location + range.length ); + } catch ( const Exception & e ) { + // empty + } +} + ++(id)visibleCharacterRangeAttributeForElement:(AquaA11yWrapper *)wrapper { + // the OOo a11y API returns only the visible portion... + return [ NSValue valueWithRange: NSMakeRange ( 0, [ wrapper accessibleText ] -> getCharacterCount() ) ]; +} + ++(void)setVisibleCharacterRangeAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value { + // do nothing +} + ++(id)sharedTextUIElementsAttributeForElement:(AquaA11yWrapper *)wrapper { + return [ [ NSArray alloc ] init ]; // unsupported +} + ++(id)sharedCharacterRangeAttributeForElement:(AquaA11yWrapper *)wrapper { + return [ NSValue valueWithRange: NSMakeRange ( 0, 0 ) ]; // unsupported +} + ++(void)addAttributeNamesTo:(NSMutableArray *)attributeNames { + [ attributeNames addObjectsFromArray: [ AquaA11yTextWrapper specialAttributeNames ] ]; +} + ++(NSArray *)specialAttributeNames { + return [ NSArray arrayWithObjects: + NSAccessibilityValueAttribute, + NSAccessibilityNumberOfCharactersAttribute, + NSAccessibilitySelectedTextAttribute, + NSAccessibilitySelectedTextRangeAttribute, + NSAccessibilityVisibleCharacterRangeAttribute, + NSAccessibilitySharedTextUIElementsAttribute, + NSAccessibilitySharedCharacterRangeAttribute, + nil ]; +} + ++(void)addParameterizedAttributeNamesTo:(NSMutableArray *)attributeNames { + [ attributeNames addObjectsFromArray: [ AquaA11yTextWrapper specialParameterizedAttributeNames ] ]; +} + ++(NSArray *)specialParameterizedAttributeNames { + return [ NSArray arrayWithObjects: + NSAccessibilityStringForRangeParameterizedAttribute, + NSAccessibilityAttributedStringForRangeParameterizedAttribute, + NSAccessibilityRangeForIndexParameterizedAttribute, + NSAccessibilityRangeForPositionParameterizedAttribute, + NSAccessibilityBoundsForRangeParameterizedAttribute, + NSAccessibilityStyleRangeForIndexParameterizedAttribute, + NSAccessibilityRTFForRangeParameterizedAttribute, + NSAccessibilityLineForIndexParameterizedAttribute, + NSAccessibilityRangeForLineParameterizedAttribute, + nil ]; +} + ++(id)lineForIndexAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)index { + NSNumber * lineNumber = nil; + try { + sal_Int32 line = [ wrapper accessibleMultiLineText ] -> getLineNumberAtIndex ( (sal_Int32) [ index intValue ] ); + lineNumber = [ NSNumber numberWithInt: line ]; + } catch ( IndexOutOfBoundsException & e ) { + // empty + } + return lineNumber; +} + ++(id)rangeForLineAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)line { + NSValue * range = nil; + try { + TextSegment textSegment = [ wrapper accessibleMultiLineText ] -> getTextAtLineNumber ( [ line intValue ] ); + range = [ NSValue valueWithRange: NSMakeRange ( textSegment.SegmentStart, textSegment.SegmentEnd - textSegment.SegmentStart ) ]; + } catch ( IndexOutOfBoundsException & e ) { + // empty + } + return range; +} + ++(id)stringForRangeAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)range { + int loc = [ range rangeValue ].location; + int len = [ range rangeValue ].length; + NSMutableString * textRange = [ [ NSMutableString alloc ] init ]; + try { + [ textRange appendString: CreateNSString ( [ wrapper accessibleText ] -> getTextRange ( loc, loc + len ) ) ]; + } catch ( IndexOutOfBoundsException & e ) { + // empty + } + return textRange; +} + ++(id)attributedStringForRangeAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)range { + return [ AquaA11yTextAttributesWrapper createAttributedStringForElement: wrapper inOrigRange: range ]; +} + ++(id)rangeForIndexAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)index { + NSValue * range = nil; + try { + TextSegment textSegment = [ wrapper accessibleText ] -> getTextBeforeIndex ( [ index intValue ], AccessibleTextType::GLYPH ); + range = [ NSValue valueWithRange: NSMakeRange ( textSegment.SegmentStart, textSegment.SegmentEnd - textSegment.SegmentStart ) ]; + } catch ( IndexOutOfBoundsException & e ) { + // empty + } catch ( IllegalArgumentException & e ) { + // empty + } + return range; +} + ++(id)rangeForPositionAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)point { + NSValue * value = nil; + sal_Int32 index = [ wrapper accessibleText ] -> getIndexAtPoint ( [ AquaA11yUtil nsPointToVclPoint: point ] ); + if ( index > -1 ) { + value = [ AquaA11yTextWrapper rangeForIndexAttributeForElement: wrapper forParameter: [ NSNumber numberWithLong: index ] ]; + } + return value; +} + ++(id)boundsForRangeAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)range { + NSValue * rect = nil; + try { + // TODO: this is ugly!!! + // the UNP-API can only return the bounds for a single character, not for a range + int loc = [ range rangeValue ].location; + int len = [ range rangeValue ].length; + int minx = 0x7fffffff, miny = 0x7fffffff, maxx = 0, maxy = 0; + for ( int i = 0; i < len; i++ ) { + Rectangle vclRect = [ wrapper accessibleText ] -> getCharacterBounds ( loc + i ); + if ( vclRect.X < minx ) { + minx = vclRect.X; + } + if ( vclRect.Y < miny ) { + miny = vclRect.Y; + } + if ( vclRect.Width + vclRect.X > maxx ) { + maxx = vclRect.Width + vclRect.X; + } + if ( vclRect.Height + vclRect.Y > maxy ) { + maxy = vclRect.Height + vclRect.Y; + } + } + if ( [ wrapper accessibleComponent ] != nil ) { + // get location on screen (must be added since get CharacterBounds returns values relative to parent) + Point screenPos = [ wrapper accessibleComponent ] -> getLocationOnScreen(); + Point pos ( minx + screenPos.X, miny + screenPos.Y ); + Point size ( maxx - minx, maxy - miny ); + NSValue * nsPos = [ AquaA11yUtil vclPointToNSPoint: pos ]; + rect = [ NSValue valueWithRect: NSMakeRect ( [ nsPos pointValue ].x, [ nsPos pointValue ].y - size.Y, size.X, size.Y ) ]; + //printf("Range: %s --- Rect: %s\n", [ NSStringFromRange ( [ range rangeValue ] ) UTF8String ], [ NSStringFromRect ( [ rect rectValue ] ) UTF8String ]); + } + } catch ( IndexOutOfBoundsException & e ) { + // empty + } + return rect; +} + ++(id)styleRangeForIndexAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)index { + NSValue * range = nil; + try { + TextSegment textSegment = [ wrapper accessibleText ] -> getTextAtIndex ( [ index intValue ], AccessibleTextType::ATTRIBUTE_RUN ); + range = [ NSValue valueWithRange: NSMakeRange ( textSegment.SegmentStart, textSegment.SegmentEnd - textSegment.SegmentStart ) ]; + } catch ( IndexOutOfBoundsException & e ) { + // empty + } catch ( IllegalArgumentException & e ) { + // empty + } + return range; +} + ++(id)rTFForRangeAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)range { + NSData * rtfData = nil; + NSAttributedString * attrString = (NSAttributedString *) [ AquaA11yTextWrapper attributedStringForRangeAttributeForElement: wrapper forParameter: range ]; + if ( attrString != nil ) { + @try { + rtfData = [ attrString RTFFromRange: [ range rangeValue ] documentAttributes: nil ]; + } @catch ( NSException * e) { + // emtpy + } + } + return rtfData; +} + ++(BOOL)isAttributeSettable:(NSString *)attribute forElement:(AquaA11yWrapper *)wrapper { + BOOL isSettable = NO; + if ( [ attribute isEqualToString: NSAccessibilityValueAttribute ] + || [ attribute isEqualToString: NSAccessibilitySelectedTextAttribute ] + || [ attribute isEqualToString: NSAccessibilitySelectedTextRangeAttribute ] + || [ attribute isEqualToString: NSAccessibilityVisibleCharacterRangeAttribute ] ) { + if ( ! [ [ wrapper accessibilityAttributeValue: NSAccessibilityRoleAttribute ] isEqualToString: NSAccessibilityStaticTextRole ] ) { + isSettable = YES; + } + } + return isSettable; +} + +@end |