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Diffstat (limited to 'include/X11/Xaw/TextP.h')
| -rw-r--r-- | include/X11/Xaw/TextP.h | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/include/X11/Xaw/TextP.h b/include/X11/Xaw/TextP.h new file mode 100644 index 0000000..f679db1 --- /dev/null +++ b/include/X11/Xaw/TextP.h @@ -0,0 +1,288 @@ +/* +* $Xorg: TextP.h,v 1.4 2001/02/09 02:03:46 xorgcvs Exp $ +*/ + + +/*********************************************************** + +Copyright 1987, 1988, 1994, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + + +Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ + +#ifndef _XawTextP_h +#define _XawTextP_h + +#include <X11/Xaw/Text.h> +#include <X11/Xaw/SimpleP.h> + +/**************************************************************** + * + * Text widget private + * + ****************************************************************/ +#define MAXCUT 30000 /* Maximum number of characters that can be cut. */ + +#define GETLASTPOS XawTextSourceScan(ctx->text.source, 0, \ + XawstAll, XawsdRight, 1, TRUE) + +#define zeroPosition ((XawTextPosition) 0) + +extern XtActionsRec _XawTextActionsTable[]; +extern Cardinal _XawTextActionsTableCount; + +#define XawLF 0x0a +#define XawCR 0x0d +#define XawTAB 0x09 +#define XawBS 0x08 +#define XawSP 0x20 +#define XawDEL 0x7f +#define XawESC 0x1b +#define XawBSLASH '\\' + +/* constants that subclasses may want to know */ +#define DEFAULT_TEXT_HEIGHT ((Dimension)~0) + +/* displayable text management data structures */ + +typedef struct { + XawTextPosition position; + Position y; + Dimension textWidth; +} XawTextLineTableEntry, *XawTextLineTableEntryPtr; + +typedef struct { + XawTextPosition left, right; + XawTextSelectType type; + Atom* selections; + int atom_count; + int array_size; +} XawTextSelection; + +typedef struct _XawTextSelectionSalt { + struct _XawTextSelectionSalt *next; + XawTextSelection s; + /* + * The element "contents" stores the CT string which is gotten in the + * function _XawTextSaltAwaySelection(). + */ + char *contents; + int length; +} XawTextSelectionSalt; + +/* Line Tables are n+1 long - last position displayed is in last lt entry */ +typedef struct { + XawTextPosition top; /* Top of the displayed text. */ + int lines; /* How many lines in this table. */ + XawTextLineTableEntry *info; /* A dynamic array, one entry per line */ +} XawTextLineTable, *XawTextLineTablePtr; + + +typedef struct _XawTextMargin { + Position left, right, top, bottom; +} XawTextMargin; + +#define VMargins(ctx) ( (ctx)->text.margin.top + (ctx)->text.margin.bottom ) +#define HMargins(ctx) ( (ctx)->text.margin.left + (ctx)->text.margin.right ) + +#define IsPositionVisible(ctx, pos) \ + (pos >= ctx->text.lt.info[0].position && \ + pos < ctx->text.lt.info[ctx->text.lt.lines].position) + +/* + * Search & Replace data structure. + */ + +struct SearchAndReplace { + Boolean selection_changed; /* flag so that the selection cannot be + changed out from underneath query-replace.*/ + Widget search_popup; /* The poppup widget that allows searches.*/ + Widget label1; /* The label widgets for the search window. */ + Widget label2; + Widget left_toggle; /* The left search toggle radioGroup. */ + Widget right_toggle; /* The right search toggle radioGroup. */ + Widget rep_label; /* The Replace label string. */ + Widget rep_text; /* The Replace text field. */ + Widget search_text; /* The Search text field. */ + Widget rep_one; /* The Replace one button. */ + Widget rep_all; /* The Replace all button. */ +}; + +/* Private Text Definitions */ + +typedef int (*ActionProc)(); + +/* New fields for the Text widget class record */ + +typedef struct {int empty;} TextClassPart; + +struct text_move { + int h, v; + struct text_move * next; +}; + +/* Full class record declaration */ +typedef struct _TextClassRec { + CoreClassPart core_class; + SimpleClassPart simple_class; + TextClassPart text_class; +} TextClassRec; + +extern TextClassRec textClassRec; + +/* New fields for the Text widget record */ +typedef struct _TextPart { + /* resources */ + + Widget source, sink; + XawTextPosition insertPos; + XawTextSelection s; + XawTextSelectType *sarray; /* Array to cycle for selections. */ + XawTextSelectionSalt *salt; /* salted away selections */ + int options; /* wordbreak, scroll, etc. */ + int dialog_horiz_offset; /* position for popup dialog */ + int dialog_vert_offset; /* position for popup dialog */ + Boolean display_caret; /* insertion pt visible iff T */ + Boolean auto_fill; /* Auto fill mode? */ + XawTextScrollMode scroll_vert, scroll_horiz; /*what type of scrollbars.*/ + XawTextWrapMode wrap; /* The type of wrapping. */ + XawTextResizeMode resize; /* what to resize */ + XawTextMargin r_margin; /* The real margins. */ + XtCallbackList unrealize_callbacks; /* used for scrollbars */ + + /* private state */ + + XawTextMargin margin; /* The current margins. */ + XawTextLineTable lt; + XawTextScanDirection extendDir; + XawTextSelection origSel; /* the selection being modified */ + Time lasttime; /* timestamp of last processed action */ + Time time; /* time of last key or button action */ + Position ev_x, ev_y; /* x, y coords for key or button action */ + Widget vbar, hbar; /* The scroll bars (none = NULL). */ + struct SearchAndReplace * search;/* Search and replace structure. */ + Widget file_insert; /* The file insert popup widget. */ + XawTextPosition *updateFrom; /* Array of start positions for update. */ + XawTextPosition *updateTo; /* Array of end positions for update. */ + int numranges; /* How many update ranges there are. */ + int maxranges; /* How many ranges we have space for */ + XawTextPosition lastPos; /* Last position of source. */ + GC gc; + Boolean showposition; /* True if we need to show the position. */ + Boolean hasfocus; /* TRUE if we currently have input focus.*/ + Boolean update_disabled; /* TRUE if display updating turned off */ + Boolean single_char; /* Single character replaced. */ + XawTextPosition old_insert; /* Last insertPos for batched updates */ + short mult; /* Multiplier. */ + struct text_move * copy_area_offsets; /* Text offset area (linked list) */ + + /* private state, shared w/Source and Sink */ + Boolean redisplay_needed; /* in SetValues */ + XawTextSelectionSalt *salt2; /* salted away selections */ +} TextPart; + +/************************************************************* + * + * Resource types private to Text widget. + * + *************************************************************/ + +#define XtRScrollMode "ScrollMode" +#define XtRWrapMode "WrapMode" +#define XtRResizeMode "ResizeMode" + +/**************************************************************** + * + * Full instance record declaration + * + ****************************************************************/ + +typedef struct _TextRec { + CorePart core; + SimplePart simple; + TextPart text; +} TextRec; + +/******************************************** + * + * Semi-private functions + * for use by other Xaw modules only + * + *******************************************/ + +extern void _XawTextBuildLineTable ( +#if NeedFunctionPrototypes + TextWidget /*ctx*/, + XawTextPosition /*top pos*/, + _XtBoolean /* force_rebuild */ +#endif +); + +extern char* _XawTextGetSTRING( +#if NeedFunctionPrototypes + TextWidget /*ctx*/, + XawTextPosition /*left*/, + XawTextPosition /*right*/ +#endif +); + +extern void _XawTextSaltAwaySelection( +#if NeedFunctionPrototypes + TextWidget /*ctx*/, + Atom* /*selections*/, + int /*num_atoms*/ +#endif +); + +extern void _XawTextPosToXY( +#if NeedFunctionPrototypes + Widget /* w */, + XawTextPosition /* pos */, + Position * /* x */, + Position * /*y */ +#endif +); + +#endif /* _XawTextP_h */ + + |