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/*******************************************************************************

*                                                                              *

* text.h -- Nirvana Editor Text Widget Header File                            *

*                                                                              *

* Copyright 2003 The NEdit Developers                                          *

*                                                                              *

* This is free software; you can redistribute it and/or modify it under the    *

* terms of the GNU General Public License as published by the Free Software    *

* Foundation; either version 2 of the License, or (at your option) any later   *

* version. In addition, you may distribute versions of this program linked to  *

* Motif or Open Motif. See README for details.                                 *

*                                                                              *

* This software 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 General Public License for    *

* more details.                                                                *

*                                                                              *

* You should have received a copy of the GNU General Public License along with *

* software; if not, write to the Free Software Foundation, Inc., 59 Temple     *

* Place, Suite 330, Boston, MA  02111-1307 USA                                 *

*                                                                              *

* Nirvana Text Editor                                                          *

* July 31, 2001                                                                *

*                                                                              *

*******************************************************************************/



#ifndef NEDIT_TEXT_H_INCLUDED

#define NEDIT_TEXT_H_INCLUDED



#include "textBuf.h"



#include <X11/Intrinsic.h>

#include <X11/X.h>

#include <X11/Xlib.h>



/* Resource strings */

#define textNfont "font"

#define textCFont "Font"

#define textNrows "rows"

#define textCRows "Rows"

#define textNcolumns "columns"

#define textCColumns "Columns"

#define textNmarginWidth "marginWidth"

#define textCMarginWidth "MarginWidth"

#define textNmarginHeight "marginHeight"

#define textCMarginHeight "MarginHeight"

#define textNselectForeground "selectForeground"

#define textCSelectForeground "SelectForeground"

#define textNselectBackground "selectBackground"

#define textCSelectBackground "SelectBackground"

#define textNhighlightForeground "highlightForeground"

#define textCHighlightForeground "HighlightForeground"

#define textNhighlightBackground "highlightBackground"

#define textCHighlightBackground "HighlightBackground"

#define textNcursorForeground "cursorForeground"

#define textCCursorForeground "CursorForeground"

#define textNlineNumForeground "lineNumForeground"

#define textCLineNumForeground "LineNumForeground"

#define textNcalltipForeground "calltipForeground"

#define textCcalltipForeground "CalltipForeground"

#define textNcalltipBackground "calltipBackground"

#define textCcalltipBackground "CalltipBackground"

#define textNpendingDelete "pendingDelete"

#define textCPendingDelete "PendingDelete"

#define textNhScrollBar "hScrollBar"

#define textCHScrollBar "HScrollBar"

#define textNvScrollBar "vScrollBar"

#define textCVScrollBar "VScrollBar"

#define textNlineNumCols "lineNumCols"

#define textCLineNumCols "LineNumCols"

#define textNautoShowInsertPos "autoShowInsertPos"

#define textCAutoShowInsertPos "AutoShowInsertPos"

#define textNautoWrapPastedText "autoWrapPastedText"

#define textCAutoWrapPastedText "AutoWrapPastedText"

#define textNwordDelimiters "wordDelimiters"

#define textCWordDelimiters "WordDelimiters"

#define textNblinkRate "blinkRate"

#define textCBlinkRate "BlinkRate"

#define textNfocusCallback "focusCallback"

#define textCFocusCallback "FocusCallback"

#define textNlosingFocusCallback "losingFocusCallback"

#define textCLosingFocusCallback "LosingFocusCallback"

#define textNcursorMovementCallback "cursorMovementCallback"

#define textCCursorMovementCallback "CursorMovementCallback"

#define textNdragStartCallback "dragStartCallback"

#define textCDragStartCallback "DragStartCallback"

#define textNdragEndCallback "dragEndCallback"

#define textCDragEndCallback "DragEndCallback"

#define textNsmartIndentCallback "smartIndentCallback"

#define textCSmartIndentCallback "SmartIndentCallback"

#define textNautoWrap "autoWrap"

#define textCAutoWrap "AutoWrap"

#define textNcontinuousWrap "continuousWrap"

#define textCContinuousWrap "ContinuousWrap"

#define textNwrapMargin "wrapMargin"

#define textCWrapMargin "WrapMargin"

#define textNautoIndent "autoIndent"

#define textCAutoIndent "AutoIndent"

#define textNsmartIndent "smartIndent"

#define textCSmartIndent "SmartIndent"

#define textNoverstrike "overstrike"

#define textCOverstrike "Overstrike"

#define textNheavyCursor "heavyCursor"

#define textCHeavyCursor "HeavyCursor"

#define textNreadOnly "readOnly"

#define textCReadOnly "ReadOnly"

#define textNhidePointer "hidePointer"

#define textCHidePointer "HidePointer"

#define textNemulateTabs "emulateTabs"

#define textCEmulateTabs "EmulateTabs"

#define textNcursorVPadding "cursorVPadding"

#define textCCursorVPadding "CursorVPadding"

#define textNbacklightCharTypes "backlightCharTypes"

#define textCBacklightCharTypes "BacklightCharTypes"





extern WidgetClass textWidgetClass;



struct _TextClassRec;

struct _TextRec;



typedef struct _TextRec *TextWidget;



typedef struct {

    int startPos;

    int nCharsDeleted;

    int nCharsInserted;

    char *deletedText;

} dragEndCBStruct;



enum smartIndentCallbackReasons {NEWLINE_INDENT_NEEDED, CHAR_TYPED};

typedef struct {

    int reason;

    int pos;

    int indentRequest;

    char *charsTyped;

} smartIndentCBStruct;



/* User callable routines */

void TextSetBuffer(Widget w, textBuffer *buffer);

textBuffer *TextGetBuffer(Widget w);

int TextLineAndColToPos(Widget w, int lineNum, int column);

int TextPosToLineAndCol(Widget w, int pos, int *lineNum, int *column);

int TextPosToXY(Widget w, int pos, int *x, int *y);

int TextGetCursorPos(Widget w);

void TextSetCursorPos(Widget w, int pos);

void TextGetScroll(Widget w, int *topLineNum, int *horizOffset);

void TextSetScroll(Widget w, int topLineNum, int horizOffset);

int TextGetMinFontWidth(Widget w, Boolean considerStyles);

int TextGetMaxFontWidth(Widget w, Boolean considerStyles);

void TextHandleXSelections(Widget w);

void TextPasteClipboard(Widget w, Time time);

void TextColPasteClipboard(Widget w, Time time);

void TextCopyClipboard(Widget w, Time time);

void TextCutClipboard(Widget w, Time time);

int TextFirstVisibleLine(Widget w);

int TextNumVisibleLines(Widget w);

int TextVisibleWidth(Widget w);

void TextInsertAtCursor(Widget w, char *chars, XEvent *event,

    	int allowPendingDelete, int allowWrap);

int TextFirstVisiblePos(Widget w);

int TextLastVisiblePos(Widget w);

char *TextGetWrapped(Widget w, int startPos, int endPos, int *length);

XtActionsRec *TextGetActions(int *nActions);

void ShowHidePointer(TextWidget w, Boolean hidePointer);

void ResetCursorBlink(TextWidget textWidget, Boolean startsBlanked);



#ifdef VMS /* VMS linker doesn't like long names (>31 chars) */

#define HandleAllPendingGraphicsExposeNoExposeEvents HandlePendingExpNoExpEvents

#endif /* VMS */



void HandleAllPendingGraphicsExposeNoExposeEvents(TextWidget w, XEvent *event);



#endif /* NEDIT_TEXT_H_INCLUDED */