source/text.h

   1 /* $Id: text.h,v 1.22 2004/10/08 21:55:51 yooden Exp $ */
   2 /*******************************************************************************
   3 *                                                                              *
   4 * text.h -- Nirvana Editor Text Widget Header File                            *
   5 *                                                                              *
   6 * Copyright 2003 The NEdit Developers                                          *
   7 *                                                                              *
   8 * This is free software; you can redistribute it and/or modify it under the    *
   9 * terms of the GNU General Public License as published by the Free Software    *
  10 * Foundation; either version 2 of the License, or (at your option) any later   *
  11 * version. In addition, you may distribute version of this program linked to   *
  12 * Motif or Open Motif. See README for details.                                 *
  13 *                                                                              *
  14 * This software is distributed in the hope that it will be useful, but WITHOUT *
  15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or        *
  16 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License *
  17 * for more details.                                                            *
  18 *                                                                              *
  19 * You should have received a copy of the GNU General Public License along with *
  20 * software; if not, write to the Free Software Foundation, Inc., 59 Temple     *
  21 * Place, Suite 330, Boston, MA  02111-1307 USA                                 *
  22 *                                                                              *
  23 * Nirvana Text Editor                                                          *
  24 * July 31, 2001                                                                *
  25 *                                                                              *
  26 *******************************************************************************/
  27
  28 #ifndef NEDIT_TEXT_H_INCLUDED
  29 #define NEDIT_TEXT_H_INCLUDED
  30
  31 #include "textBuf.h"
  32
  33 #include <X11/Intrinsic.h>
  34 #include <X11/X.h>
  35 #include <X11/Xlib.h>
  36
  37 /* Resource strings */
  38 #define textNfont "font"
  39 #define textCFont "Font"
  40 #define textNrows "rows"
  41 #define textCRows "Rows"
  42 #define textNcolumns "columns"
  43 #define textCColumns "Columns"
  44 #define textNmarginWidth "marginWidth"
  45 #define textCMarginWidth "MarginWidth"
  46 #define textNmarginHeight "marginHeight"
  47 #define textCMarginHeight "MarginHeight"
  48 #define textNselectForeground "selectForeground"
  49 #define textCSelectForeground "SelectForeground"
  50 #define textNselectBackground "selectBackground"
  51 #define textCSelectBackground "SelectBackground"
  52 #define textNhighlightForeground "highlightForeground"
  53 #define textCHighlightForeground "HighlightForeground"
  54 #define textNhighlightBackground "highlightBackground"
  55 #define textCHighlightBackground "HighlightBackground"
  56 #define textNcursorForeground "cursorForeground"
  57 #define textCCursorForeground "CursorForeground"
  58 #define textNlineNumForeground "lineNumForeground"
  59 #define textCLineNumForeground "LineNumForeground"
  60 #define textNcalltipForeground "calltipForeground"
  61 #define textCcalltipForeground "CalltipForeground"
  62 #define textNcalltipBackground "calltipBackground"
  63 #define textCcalltipBackground "CalltipBackground"
  64 #define textNpendingDelete "pendingDelete"
  65 #define textCPendingDelete "PendingDelete"
  66 #define textNhScrollBar "hScrollBar"
  67 #define textCHScrollBar "HScrollBar"
  68 #define textNvScrollBar "vScrollBar"
  69 #define textCVScrollBar "VScrollBar"
  70 #define textNlineNumCols "lineNumCols"
  71 #define textCLineNumCols "LineNumCols"
  72 #define textNautoShowInsertPos "autoShowInsertPos"
  73 #define textCAutoShowInsertPos "AutoShowInsertPos"
  74 #define textNautoWrapPastedText "autoWrapPastedText"
  75 #define textCAutoWrapPastedText "AutoWrapPastedText"
  76 #define textNwordDelimiters "wordDelimiters"
  77 #define textCWordDelimiters "WordDelimiters"
  78 #define textNblinkRate "blinkRate"
  79 #define textCBlinkRate "BlinkRate"
  80 #define textNfocusCallback "focusCallback"
  81 #define textCFocusCallback "FocusCallback"
  82 #define textNlosingFocusCallback "losingFocusCallback"
  83 #define textCLosingFocusCallback "LosingFocusCallback"
  84 #define textNcursorMovementCallback "cursorMovementCallback"
  85 #define textCCursorMovementCallback "CursorMovementCallback"
  86 #define textNdragStartCallback "dragStartCallback"
  87 #define textCDragStartCallback "DragStartCallback"
  88 #define textNdragEndCallback "dragEndCallback"
  89 #define textCDragEndCallback "DragEndCallback"
  90 #define textNsmartIndentCallback "smartIndentCallback"
  91 #define textCSmartIndentCallback "SmartIndentCallback"
  92 #define textNautoWrap "autoWrap"
  93 #define textCAutoWrap "AutoWrap"
  94 #define textNcontinuousWrap "continuousWrap"
  95 #define textCContinuousWrap "ContinuousWrap"
  96 #define textNwrapMargin "wrapMargin"
  97 #define textCWrapMargin "WrapMargin"
  98 #define textNautoIndent "autoIndent"
  99 #define textCAutoIndent "AutoIndent"
 100 #define textNsmartIndent "smartIndent"
 101 #define textCSmartIndent "SmartIndent"
 102 #define textNoverstrike "overstrike"
 103 #define textCOverstrike "Overstrike"
 104 #define textNheavyCursor "heavyCursor"
 105 #define textCHeavyCursor "HeavyCursor"
 106 #define textNreadOnly "readOnly"
 107 #define textCReadOnly "ReadOnly"
 108 #define textNhidePointer "hidePointer"
 109 #define textCHidePointer "HidePointer"
 110 #define textNemulateTabs "emulateTabs"
 111 #define textCEmulateTabs "EmulateTabs"
 112 #define textNcursorVPadding "cursorVPadding"
 113 #define textCCursorVPadding "CursorVPadding"
 114 #define textNbacklightCharTypes "backlightCharTypes"
 115 #define textCBacklightCharTypes "BacklightCharTypes"
 116
 117
 118 extern WidgetClass textWidgetClass;
 119
 120 struct _TextClassRec;
 121 struct _TextRec;
 122
 123 typedef struct _TextClassRec *TextWidgetClass;
 124 typedef struct _TextRec *TextWidget;
 125
 126 typedef struct {
 127     int startPos;
 128     int nCharsDeleted;
 129     int nCharsInserted;
 130     char *deletedText;
 131 } dragEndCBStruct;
 132
 133 enum smartIndentCallbackReasons {NEWLINE_INDENT_NEEDED, CHAR_TYPED};
 134 typedef struct {
 135     int reason;
 136     int pos;
 137     int indentRequest;
 138     char *charsTyped;
 139 } smartIndentCBStruct;
 140
 141 /* User callable routines */
 142 void TextSetBuffer(Widget w, textBuffer *buffer);
 143 textBuffer *TextGetBuffer(Widget w);
 144 int TextLineAndColToPos(Widget w, int lineNum, int column);
 145 int TextPosToLineAndCol(Widget w, int pos, int *lineNum, int *column);
 146 int TextPosToXY(Widget w, int pos, int *x, int *y);
 147 int TextGetCursorPos(Widget w);
 148 void TextSetCursorPos(Widget w, int pos);
 149 void TextGetScroll(Widget w, int *topLineNum, int *horizOffset);
 150 void TextSetScroll(Widget w, int topLineNum, int horizOffset);
 151 int TextGetMinFontWidth(Widget w, Boolean considerStyles);
 152 int TextGetMaxFontWidth(Widget w, Boolean considerStyles);
 153 void TextHandleXSelections(Widget w);
 154 void TextStopHandlingSelections(Widget w);
 155 void TextPasteClipboard(Widget w, Time time);
 156 void TextColPasteClipboard(Widget w, Time time);
 157 void TextCopyClipboard(Widget w, Time time);
 158 void TextCutClipboard(Widget w, Time time);
 159 int TextFirstVisibleLine(Widget w);
 160 int TextNumVisibleLines(Widget w);
 161 int TextVisibleWidth(Widget w);
 162 void TextInsertAtCursor(Widget w, char *chars, XEvent *event,
 163         int allowPendingDelete, int allowWrap);
 164 int TextFirstVisiblePos(Widget w);
 165 int TextLastVisiblePos(Widget w);
 166 char *TextGetWrapped(Widget w, int startPos, int endPos, int *length);
 167 const char *GetDefaultTranslations(void);
 168 XtActionsRec *TextGetActions(int *nActions);
 169 void ShowHidePointer(TextWidget w, Boolean hidePointer);
 170 void ResetCursorBlink(TextWidget textWidget, Boolean startsBlanked);
 171
 172 #ifdef VMS /* VMS linker doesn't like long names (>31 chars) */
 173 #define HandleAllPendingGraphicsExposeNoExposeEvents HandlePendingExpNoExpEvents
 174 #endif /* VMS */
 175
 176 void HandleAllPendingGraphicsExposeNoExposeEvents(TextWidget w, XEvent *event);
 177
 178 #endif /* NEDIT_TEXT_H_INCLUDED */