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/*
* @OPENGROUP_COPYRIGHT@
* COPYRIGHT NOTICE
* Copyright (c) 1990, 1991, 1992, 1993 Open Software Foundation, Inc.
* Copyright (c) 1996, 1997, 1998, 1999, 2000 The Open Group
* ALL RIGHTS RESERVED (MOTIF). See the file named COPYRIGHT.MOTIF for
* the full copyright text.
*
* This software is subject to an open license. It may only be
* used on, with or for operating systems which are themselves open
* source systems. You must contact The Open Group for a license
* allowing distribution and sublicensing of this software on, with,
* or for operating systems which are not Open Source programs.
*
* See http://www.opengroup.org/openmotif/license for full
* details of the license agreement. Any use, reproduction, or
* distribution of the program constitutes recipient's acceptance of
* this agreement.
*
* EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS
* PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
* WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY
* OR FITNESS FOR A PARTICULAR PURPOSE
*
* EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT
* NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE
* EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
/*
* HISTORY
*/
/* $TOG: TextOutP.h /main/17 1997/03/18 10:55:51 dbl $ */
/* (c) Copyright 1989, DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS. */
/* (c) Copyright 1987, 1988, 1989, 1990, 1991, 1992 HEWLETT-PACKARD COMPANY */
/*
* (c) Copyright 1995 FUJITSU LIMITED
* This is source code modified by FUJITSU LIMITED under the Joint
* Development Agreement for the CDEnext PST.
* This is unpublished proprietary source code of FUJITSU LIMITED
*/
#ifndef _XmTextOutP_h
#define _XmTextOutP_h
#include <Xm/XmP.h>
#include <Xm/Text.h>
#ifdef __cplusplus
extern "C" {
#endif
/****************************************************************
*
* Definitions for modules implementing and using text output routines.
*
****************************************************************/
#define ShouldWordWrap(data, widget) (data->wordwrap && \
(!(((XmDirectionMatch(XmPrim_layout_direction(widget), \
XmTOP_TO_BOTTOM_RIGHT_TO_LEFT)) ? \
data->scrollvertical : data->scrollhorizontal) \
&& XmIsScrolledWindow(widget->core.parent))) \
&& widget->text.edit_mode != XmSINGLE_LINE_EDIT)
typedef struct _LineTableExtraRec {
Dimension width;
Boolean wrappedbychar;
} LineTableExtraRec, *LineTableExtra ;
/*
* output.c (part of stext)
*/
typedef unsigned int LineNum;
typedef enum {on, off} OnOrOff; /* For when Booleans aren't obvious enough. */
/*
* Return the line number containing the given position. If text currently
* knows of no line containing that position, returns NOLINE.
*/
#define NOLINE 30000
/*
* These next define the types of the routines that output is required
* to export for use by text and by input.
*/
typedef struct _OutputDataRec {
XmFontList fontlist; /* Fontlist for text. */
unsigned int blinkrate;
Boolean wordwrap; /* Whether to wordwrap. */
Boolean cursor_position_visible;
Boolean autoshowinsertpoint;
Boolean hasfocus;
Boolean has_rect;
Boolean handlingexposures; /* TRUE if in the midst of expose events. */
Boolean exposevscroll; /* Non-zero if we expect expose events to be
off vertically. */
Boolean exposehscroll; /* Non-zero if we expect expose events to be
off horizontally. */
Boolean resizewidth, resizeheight;
Boolean scrollvertical, scrollhorizontal;
Boolean scrollleftside, scrolltopside;
Boolean ignorevbar; /* Whether to ignore callbacks from vbar. */
Boolean ignorehbar; /* Whether to ignore callbacks from hbar. */
short int cursor_on; /* Whether IBeam cursor is visible. */
Boolean refresh_ibeam_off; /* Indicates whether area under IBeam needs
* to be re-captured */
Boolean suspend_hoffset; /* temporarily suspend horizontal scrolling */
Boolean use_fontset; /* True if font to be used is fontset (and
* thus need X11R5 Xmb* routines to draw */
Boolean have_inverted_image_gc; /* fg/bg of image gc have been swapped;
* on == True, off == False */
OnOrOff blinkstate;
Position insertx, inserty;
int number_lines; /* Number of lines that fit in the window. */
int leftmargin, rightmargin;
int topmargin, bottommargin;
int scrollwidth; /* Total width of text we have to display. */
int vsliderSize; /* How big the thumb is in the vbar. */
int hoffset; /* How much we've scrolled off the left. */
int averagecharwidth; /* Number of pixels for an "average" char. */
int tabwidth; /* Number of pixels for a tab. */
short columns, rows;
Dimension lineheight; /* Number of pixels per line. */
Dimension minwidth, minheight;
Dimension prevW;
Dimension prevH;
Dimension cursorwidth, cursorheight;
Dimension font_ascent; /* ascent of the font[set] */
Dimension font_descent; /* descent of the font[set] */
XtIntervalId timerid;
Pixmap cursor; /* Pixmap for IBeam cursor stencil. */
Pixmap add_mode_cursor; /* Pixmap to use for add mode cursor. */
Pixmap ibeam_off; /* Pixmap for area under the IBeam. */
Pixmap stipple_tile; /* stipple for add mode cursor. */
GC gc, imagegc;
Widget vbar, hbar;
XFontStruct *font; /* font used when NULL font is set. */
/* New for 1.2 */
GC save_gc; /* GC for saving/resotring under IBeam */
short columns_set, rows_set; /* history of previously set dimensions */
/* New for 2.0 */
XmRenderTable rendertable; /* Alias for fontlist - only for resource
setting */
GC cursor_gc; /* 1-bit depth GC for creating the I-beam
stipples (normal & add mode) */
int scrollheight; /* Total height of text we have to display. */
int voffset; /* How much we've scrolled off the top. */
int tabheight; /* Number of pixels for a tab. */
Dimension linewidth; /* Number of pixels per line (when vw). */
Boolean suspend_voffset; /* temporarily suspend horizontal scrolling */
} OutputDataRec, *OutputData;
/*
* Create a new instance of an output object. This is expected to fill in
* info about innerwidget and output in the widget record.
*/
typedef void (*OutputCreateProc)(
Widget,
ArgList,
Cardinal) ;
/*
* Given an (x,y) coordinate, return the closest corresponding position. (For
* use by input; text shouldn't ever need to know.)
*/
typedef XmTextPosition (*XYToPosProc)(
XmTextWidget,
#if NeedWidePrototypes
int,
int) ;
#else
Position, /* These are relative to the */
Position) ; /* innerwindow returned above. */
#endif
/*
* Return the (x,y) coordinate corresponing to the given position. If this
* returns FALSE, then the given position isn't being displayed.
*/
typedef Boolean (*PosToXYProc)(
XmTextWidget,
XmTextPosition,
Position *, /* These are relative to the */
Position *) ; /* innerwindow returned above. */
/*
* Measures the extent of a line. Given the line number and starting position
* of a line, returns the starting position of the next line. Also returns
* any extra information that the output module may want to associate with
* this line for future reference. (In particular, it will want to associate
* a vertical coordinate for this line.) This routine should return FALSE if
* it decides that this line will not fit in the window. FALSE should never
* be returned if the line number is zero. Output may assume that the line
* table for all preceeding lines have already been set. In particular, when
* this routine will return FALSE, then output knows that the entire linetable
* has been calculated; that is a good time for it to look over the linetable
* and decide if it wants to do something obnoxious like resize the window.
*
* A possible value to put in nextpos is PASTENDPOS. This indicates that the
* current line contains the end of the text in the source.
*
* nextpos may be NULL. If it is, then this indicates that we only want to
* know if the line will fit on the window. The caller already has its own
* idea where the next line will start if it does fit. (If nextpos is NULL,
* then no extra information should be generated, and the 'extra' parameter
* should be ignored.)
*/
#define PASTENDPOS 2147483647 /* Biggest number that can fit in long */
typedef Boolean (*MeasureLineProc)(
XmTextWidget,
LineNum,
XmTextPosition,
XmTextPosition *,
LineTableExtraRec **) ;
/*
* Draw some text within a line. The output finds out information about the
* line by calling the line table routines.
*
* %%% Document special cases (like lines containing PASTENDPOS).
*/
typedef void (*DrawProc)(
XmTextWidget,
LineNum,
XmTextPosition,
XmTextPosition,
XmHighlightMode) ;
/*
* Output should draw or erase an insertion point at the given position.
*/
typedef void (*DrawInsertionPointProc)(
XmTextWidget,
XmTextPosition,
OnOrOff) ;
/*
* Output should ensure that the given position is visible (e.g., not scrolled
* off horizontally).
*/
typedef void (*MakePositionVisibleProc)(
XmTextWidget,
XmTextPosition) ;
/* Text would like to move some lines around on the screen. It would like to
* move lines fromline through toline (inclusive) to now start at line
* destline. If output can perform this move by means of a XCopyArea or
* similar simple call, it does so and returns TRUE; otherwise, it will return
* FALSE. If TRUE, output should modify affected values in the
* "extra" entries in the linetable, because after returning text will go ahead
* and move linetable entries around.
*/
typedef Boolean (*MoveLinesProc)(
XmTextWidget,
LineNum,
LineNum,
LineNum) ;
/*
* Inform output of invalidated positions.
*/
typedef void (*InvalidateProc)(
XmTextWidget,
XmTextPosition,
XmTextPosition,
long) ;
/*
* Get preferred size of text widget based on the row and column
* resources multiplied by font attributes as well as adding the
* margin resource values to the computed size.
*/
typedef void (*GetPreferredSizeProc)(
Widget,
Dimension *,
Dimension *) ;
/*
* Get values out of the output object.
*/
typedef void (*GetValuesProc)(
Widget,
ArgList,
Cardinal) ;
/*
* Set values in the output object.
*/
typedef Boolean (*SetValuesProc)(
Widget,
Widget,
Widget,
ArgList,
Cardinal *) ;
typedef struct _OutputRec {
struct _OutputDataRec *data; /* Output-specific data; opaque type. */
XYToPosProc XYToPos;
PosToXYProc PosToXY;
MeasureLineProc MeasureLine;
DrawProc Draw;
DrawInsertionPointProc DrawInsertionPoint;
MakePositionVisibleProc MakePositionVisible;
MoveLinesProc MoveLines;
InvalidateProc Invalidate;
GetPreferredSizeProc GetPreferredSize;
GetValuesProc GetValues;
SetValuesProc SetValues;
XmRealizeOutProc realize;
XtWidgetProc destroy;
XmResizeFlagProc resize;
XtExposeProc expose;
} OutputRec;
#ifdef __cplusplus
} /* Close scope of 'extern "C"' declaration which encloses file. */
#endif
#endif /* _XmTextOutP_h */
/* DON'T ADD ANYTHING AFTER THIS #endif */