dw::core::FindtextState Class Reference

#include <findtext.hh>

Public Types
enum	Result { SUCCESS, RESTART, NOT_FOUND }

Public Member Functions
	FindtextState ()
	~FindtextState ()
void	setWidget (Widget *widget)
Result	search (const char *key, bool caseSens, bool backwards)
void	resetSearch ()
	This method is called when the user closes the "find text" dialog.

Private Member Functions
bool	unhighlight ()
	Unhighlight, and return whether a region was highlighted.
bool	search0 (bool backwards, bool firstTrial)

Static Private Member Functions
static const char *	rev (const char *_str)
static int *	createNexttab (const char *needle, bool caseSens, bool backwards)
static bool	charsEqual (char c1, char c2, bool caseSens)

Private Attributes
char *	key
	The key used for the last search.
bool	caseSens
	Whether the last search was case sensitive.
int *	nexttab
	The table used for KMP search.
Widget *	widget
	The top of the widget tree, in which the search is done.
CharIterator *	iterator
	The position from where the next search will start.
CharIterator *	hlIterator
	The position from where the characters are highlighted.

Member Enumeration Documentation

enum dw::core::FindtextState::Result

Enumerator:

SUCCESS	The next occurrence of the pattern has been found.
RESTART	There is no further occurrence of the pattern, instead, the first occurrence has been selected.
NOT_FOUND	The patten does not at all occur in the text.

Constructor & Destructor Documentation

dw::core::FindtextState::FindtextState

(

)

References hlIterator, iterator, key, nexttab, and widget.

dw::core::FindtextState::~FindtextState

(

)

References hlIterator, iterator, key, and nexttab.

Member Function Documentation

static bool dw::core::FindtextState::charsEqual ( char  c1, char  c2, bool  caseSens  )

inlinestaticprivate

Referenced by createNexttab(), and search0().

int * dw::core::FindtextState::createNexttab ( const char *  needle, bool  caseSens, bool  backwards  )

staticprivate

References charsEqual(), key, nexttab, and rev().

Referenced by search().

void dw::core::FindtextState::resetSearch

(

)

This method is called when the user closes the "find text" dialog.

References key, and unhighlight().

Referenced by dw::core::Layout::resetSearch().

const char * dw::core::FindtextState::rev ( const char *  _str )

staticprivate

Referenced by createNexttab(), and search0().

FindtextState::Result dw::core::FindtextState::search	(	const char *	key,
		bool	caseSens,
		bool	backwards
	)

References caseSens, dw::core::CharIterator::cloneCharIterator(), createNexttab(), dw::core::CharIterator::highlight(), dw::core::HIGHLIGHT_FINDTEXT, hlIterator, dw::core::HPOS_INTO_VIEW, iterator, dw::core::CharIterator::next(), nexttab, NOT_FOUND, dw::core::CharIterator::prev(), RESTART, dw::core::CharIterator::scrollTo(), search0(), SUCCESS, unhighlight(), dw::core::VPOS_CENTER, and widget.

Referenced by dw::core::Layout::search().

bool dw::core::FindtextState::search0 ( bool  backwards, bool  firstTrial  )

private

References caseSens, charsEqual(), dw::core::CharIterator::END, dw::core::CharIterator::getChar(), iterator, key, dw::core::CharIterator::next(), nexttab, dw::core::CharIterator::prev(), and rev().

Referenced by search().

void dw::core::FindtextState::setWidget

(

Widget *

widget

)

References hlIterator, iterator, key, nexttab, and widget.

bool dw::core::FindtextState::unhighlight ( )

private

Unhighlight, and return whether a region was highlighted.

References dw::core::CharIterator::cloneCharIterator(), dw::core::HIGHLIGHT_FINDTEXT, hlIterator, key, dw::core::CharIterator::prev(), and dw::core::CharIterator::unhighlight().

Referenced by resetSearch(), and search().

Member Data Documentation

bool dw::core::FindtextState::caseSens

private

Whether the last search was case sensitive.

Referenced by search(), and search0().

CharIterator* dw::core::FindtextState::hlIterator

private

The position from where the characters are highlighted.

NULL, when no text is highlighted.

Referenced by FindtextState(), search(), setWidget(), unhighlight(), and ~FindtextState().

CharIterator* dw::core::FindtextState::iterator

private

The position from where the next search will start.

Referenced by FindtextState(), search(), search0(), setWidget(), and ~FindtextState().

char* dw::core::FindtextState::key

private

The key used for the last search.

If dw::core::Findtext::search is called with the same key, the search is continued, otherwise it is restarted.

Referenced by createNexttab(), FindtextState(), resetSearch(), search0(), setWidget(), unhighlight(), and ~FindtextState().

int* dw::core::FindtextState::nexttab

private

The table used for KMP search.

Referenced by createNexttab(), FindtextState(), search(), search0(), setWidget(), and ~FindtextState().

Widget* dw::core::FindtextState::widget

private

The top of the widget tree, in which the search is done.

From this, the iterator will be constructed. Set by dw::core::Findtext::widget

Referenced by FindtextState(), search(), and setWidget().

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The documentation for this class was generated from the following files:

• dw/findtext.hh
• dw/findtext.cc