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Diffstat (limited to 'fltk-2/include/fltk/TextBuffer.h')
| -rw-r--r-- | fltk-2/include/fltk/TextBuffer.h | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/fltk-2/include/fltk/TextBuffer.h b/fltk-2/include/fltk/TextBuffer.h deleted file mode 100644 index 3a1b386..0000000 --- a/fltk-2/include/fltk/TextBuffer.h +++ /dev/null @@ -1,285 +0,0 @@ -// -// "$Id: TextBuffer.h 5432 2006-09-16 02:03:04Z spitzak $" -// -// Header file for TextBuffer class. -// -// Copyright 2001-2006 by Bill Spitzak and others. -// Original code Copyright Mark Edel. Permission to distribute under -// the LGPL for the FLTK library granted by Mark Edel. -// -// This library is free software; you can redistribute it and/or -// modify it under the terms of the GNU Library General Public -// License as published by the Free Software Foundation; either -// version 2 of the License, or (at your option) any later version. -// -// This library 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 -// Library General Public License for more details. -// -// You should have received a copy of the GNU Library General Public -// License along with this library; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 -// USA. -// -// Please report all bugs and problems on the following page: -// -// http://www.fltk.org/str.php -// - -#ifndef _fltk_TextBuffer_h_ -#define _fltk_TextBuffer_h_ - -#include "FL_API.h" - -namespace fltk { - -/* Maximum length in characters of a tab or control character expansion - of a single buffer character */ -#define TEXT_MAX_EXP_CHAR_LEN 20 - -class FL_API TextSelection { -public: - TextSelection(); - - void set(int start, int end); - void set_rectangular(int start, int end, int rectstart, int rectend); - void update(int pos, int ndeleted, int ninserted); - bool rectangular() const { return rectangular_; } - int start() const { return start_; } - int end() const { return end_; } - int rectstart() const { return rectstart_; } - int rectend() const { return rectend_; } - bool selected() const { return selected_; } - void selected(bool b) { selected_ = b; } - bool zerowidth() const { return zerowidth_; } - void zerowidth(bool b) { zerowidth_ = b; } - bool includes(int pos, int lineStartPos, int dispIndex); - int position(int* start, int* end); - int position(int* start, int* end, int* isrect, int* rectstart, int* rectend); - -protected: - bool selected_; /*!< True if the selection is active */ - bool rectangular_; /*!< True if the selection is rectangular */ - bool zerowidth_; /*!< Width 0 selections aren't "real" selections, but - they can be useful when creating rectangular - selections from the keyboard. */ - int start_; /*!< Pos. of start of selection, or if rectangular - start of line containing it. */ - int end_; /*!< Pos. of end of selection, or if rectangular - end of line containing it. */ - int rectstart_; /*!< Indent of left edge of rect. selection */ - int rectend_; /*!< Indent of right edge of rect. selection */ -}; - - -typedef void (*Text_Modify_Cb)( int pos, int nInserted, int nDeleted, - int nRestyled, const char* deletedText, - void* cbArg); - -typedef void (*Text_Predelete_Cb)(int pos, int nDeleted, void* cbArg); - -/** TextBuffer */ -class FL_API TextBuffer { -public: - TextBuffer(int requestedsize = 0); - ~TextBuffer(); - - int length() const { return length_; } - - const char *text(); - void text(const char* text); - - char character(int pos); - char *text_range(int start, int end); - char *text_in_rectangle(int start, int end, int rectStart, int rectEnd); - - void insert(int pos, const char *text); - void append(const char *t) { insert(length(), t); } - void remove(int start, int end); - void replace(int start, int end, const char *text); - void copy(TextBuffer *from_buf, int from_start, int from_end, int to_pos); - - int undo(int *cp = 0); - void canUndo(char flag = 1); - - int insertfile(const char *file, int pos, int buflen = 128*1024); - int appendfile(const char *file, int buflen = 128*1024) - { return insertfile(file, length(), buflen); } - int loadfile(const char *file, int buflen = 128*1024) - { select(0, length()); remove_selection(); return appendfile(file, buflen); } - int outputfile(const char *file, int start, int end, int buflen = 128*1024); - int savefile(const char *file, int buflen = 128*1024) - { return outputfile(file, 0, length(), buflen); } - - void insert_column(int column, int startpos, const char *text, - int *chars_inserted, int *chars_deleted); - - void replace_rectangular(int start, int end, int rectstart, int rectend, - const char *text); - - void overlay_rectangular(int startpos, int rectStart, int rectEnd, - const char* text, int* charsInserted, - int* charsDeleted); - - void remove_rectangular(int start, int end, int rectStart, int rectEnd); - void clear_rectangular(int start, int end, int rectStart, int rectEnd); - int tab_distance() const { return tabdist_; } - void tab_distance(int tabDist); - - void select(int start, int end); - bool selected() const { return primary_.selected(); } - void unselect(); - - void select_rectangular(int start, int end, int rectStart, int rectEnd); - int selection_position(int* start, int* end); - - int selection_position(int* start, int* end, int* isRect, int* rectStart, - int* rectEnd); - - char *selection_text(); - void remove_selection(); - void replace_selection(const char* text); - void secondary_select(int start, int end); - void secondary_unselect(); - - void secondary_select_rectangular(int start, int end, int rectStart, - int rectEnd); - - int secondary_selection_position(int* start, int* end, int* isRect, - int* rectStart, int* rectEnd); - - char *secondary_selection_text(); - void remove_secondary_selection(); - void replace_secondary_selection(const char* text); - void highlight(int start, int end); - void unhighlight(); - void highlight_rectangular(int start, int end, int rectStart, int rectEnd); - - int highlight_position(int* start, int* end, int* isRect, int* rectStart, - int* rectEnd); - - char *highlight_text(); - void add_modify_callback(Text_Modify_Cb bufModifiedCB, void* cbArg); - void remove_modify_callback(Text_Modify_Cb bufModifiedCB, void* cbArg); - - void call_modify_callbacks() { call_modify_callbacks(0, 0, 0, 0, 0); } - - void add_predelete_callback(Text_Predelete_Cb bufPredelCB, void* cbArg); - void remove_predelete_callback(Text_Predelete_Cb predelCB, void* cbArg); - - void call_predelete_callbacks() { call_predelete_callbacks(0, 0); } - - char* line_text(int pos); - int line_start(int pos); - int line_end(int pos); - int word_start(int pos); - int word_end(int pos); - int expand_character(int pos, int indent, char *outStr); - - static int expand_character(char c, int indent, char* outStr, int tabDist, - char nullSubsChar); - - static int character_width(char c, int indent, int tabDist, char nullSubsChar); - int count_displayed_characters(int lineStartPos, int targetPos); - int count_displayed_characters_utf(int lineStartPos, int targetPos); - int skip_displayed_characters(int lineStartPos, int nChars); - int skip_displayed_characters_utf(int lineStartPos, int nChars); - int count_lines(int startPos, int endPos); - int skip_lines(int startPos, int nLines); - int rewind_lines(int startPos, int nLines); - - bool findchar_forward(int startPos, char searchChar, int* foundPos); - bool findchar_backward(int startPos, char searchChar, int* foundPos); - - bool findchars_forward(int startpos, const char *searchChars, int *foundPos); - bool findchars_backward(int startpos, const char *searchChars, int *foundPos); - - bool search_forward(int startPos, const char* searchString, int* foundPos, - bool matchCase = false); - - bool search_backward(int startPos, const char* searchString, int* foundPos, - bool matchCase = false); - - char null_substitution_character() { return nullsubschar_; } - TextSelection* primary_selection() { return &primary_; } - TextSelection* secondary_selection() { return &secondary_; } - TextSelection* highlight_selection() { return &highlight_; } - -protected: - void call_modify_callbacks(int pos, int nDeleted, int nInserted, - int nRestyled, const char* deletedText); - void call_predelete_callbacks(int pos, int nDeleted); - - int insert_(int pos, const char* text); - void remove_(int start, int end); - - void remove_rectangular_(int start, int end, int rectStart, int rectEnd, - int* replaceLen, int* endPos); - - void insert_column_(int column, int startPos, const char* insText, - int* nDeleted, int* nInserted, int* endPos); - - void overlay_rectangular_(int startPos, int rectStart, int rectEnd, - const char* insText, int* nDeleted, - int* nInserted, int* endPos); - - void redisplay_selection(TextSelection* oldSelection, - TextSelection* newSelection); - - void move_gap(int pos); - void reallocate_with_gap(int newGapStart, int newGapLen); - char *selection_text_(TextSelection *sel); - void remove_selection_(TextSelection *sel); - void replace_selection_(TextSelection *sel, const char* text); - - void rectangular_selection_boundaries(int lineStartPos, int rectStart, - int rectEnd, int* selStart, - int* selEnd); - - void update_selections(int pos, int nDeleted, int nInserted); - - TextSelection primary_; /* highlighted areas */ - TextSelection secondary_; - TextSelection highlight_; - - int length_; /*!< length of the text in the buffer (the length - of the buffer itself must be calculated: - gapend - gapstart + length) */ - char *buf_; /*!< allocated memory where the text is stored */ - int gapstart_; /*!< points to the first character of the gap */ - int gapend_; /*!< points to the first char after the gap */ - - int tabdist_; /*!< equiv. number of characters in a tab */ - bool usetabs_; /*!< True if buffer routines are allowed to use - tabs for padding in rectangular operations */ - - int nmodifyprocs_; /*!< number of modify-redisplay procs attached */ - Text_Modify_Cb *modifyprocs_; /* modified to redisplay contents */ - void **modifycbargs_; /*!< caller arguments for modifyprocs_ above */ - - int npredeleteprocs_; /*!< number of pre-delete procs attached */ - Text_Predelete_Cb *predeleteprocs_; /* procedure to call before text is deleted */ - /* from the buffer; at most one is supported. */ - void **prepeletecbargs_; /*!< caller argument for pre-delete proc above */ - - int cursorposhint_; /*!< hint for reasonable cursor position after - a buffer modification operation */ - char nullsubschar_; /*!< TextBuffer is based on C null-terminated strings, - so ascii-nul characters must be substituted - with something else. This is the else, but - of course, things get quite messy when you - use it */ - - char mCanUndo; /*!< if this buffer is used for attributes, it must - not do any undo calls */ -}; - -} /* namespace fltk */ - -#endif - -// -// End of "$Id: TextBuffer.h 5432 2006-09-16 02:03:04Z spitzak $". -// - |