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/**
*
* $Header: /cvsroot/lesstif/lesstif/include/Motif-1.2/Xm/TextFP.h,v 1.8 2002/10/28 10:57:26 dannybackx Exp $
*
* Copyright (C) 1995 Free Software Foundation, Inc.
* Copyright © 1995-2001, 2002 LessTif Development Team
*
* This file is part of the GNU LessTif Library.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
**/
#ifndef _XM_TEXTFP_H
#define _XM_TEXTFP_H
#include <Xm/PrimitiveP.h>
#include <Xm/TextF.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
Boolean Echo; /* Echo characters to window? */
Boolean AllowSelection; /* Allow selections to be copied/pasted? */
/* Stuff that will go away with the Clipboard routines */
char *SelectionText; /* pointer to text selection, when needed */
int SelectionLen; /* length */
XmTextPosition OldHighlightStart; /* save data */
XmTextPosition OldHighlightEnd;
XmTextPosition OldCursorPos; /* previous position */
int OldCursorX; /* previous pixel pos of cursor */
int FastInsertCursorStart; /* data storage for some text optimization */
int FastInsertTextLen;
Dimension FontHeight;
int XDraw; /* x location of text drawing area */
int YDraw; /* y location of text drawing area */
int XOffset; /* offset from x=0 to start of text string */
int OldXOffset;
int YOffset; /* y pixel offset to baseline of font */
int TextWidth; /* char width of text */
int OldTextWidth;
} XmTextFieldPartLesstifExtension;
typedef struct {
XtCallbackList activate_callback; /* Command activate callback */
XtCallbackList focus_callback; /* Verify losing focus callback */
XtCallbackList losing_focus_callback; /* Verify losing focus callback */
XtCallbackList modify_verify_callback; /* Verify value to change callback */
XtCallbackList wcs_modify_verify_callback; /* Verify value to change callback */
XtCallbackList motion_verify_callback; /* Verify insert cursor position to
change callback */
XtCallbackList gain_primary_callback; /* Gained ownership of Primary Selection */
XtCallbackList lose_primary_callback; /* Lost ownership of Primary Selection */
XtCallbackList value_changed_callback; /* Notify that value has change callback */
char * value; /* pointer to widget value stored as char* */
wchar_t * wc_value; /* pointer to widget value stored as wchar_t* */
XmFontList font_list; /* Uses only the font portion of fontlist */
XFontStruct *font; /* font retrieved from the fontlist */
XmTextScanType *selection_array; /* Description of what to cycle
through on selections */
_XmHighlightData highlight; /* Info on the highlighting regions. */
GC gc; /* Normal GC for drawing text and cursor */
GC image_gc; /* Image GC for drawing text cursor*/
GC save_gc; /* GC for saving/restoring under IBeam */
Pixmap ibeam_off; /* pixmap for area under the IBeam */
Pixmap add_mode_cursor; /* The add mode cursor pixmap */
Pixmap cursor; /* The ibeam cursor stencil */
Pixmap putback; /* AVAILABLE: was in 1.1 but not really used */
Pixmap stipple_tile; /* The tile pattern for the stippled I-beam */
Pixmap image_clip; /* The clip rect needed for image gc */
XmTextPosition cursor_position;/* CursorPos - text cursor position */
XmTextPosition new_h_offset;/* Used in setvaluesalmost proc */
XmTextPosition h_offset; /* The x position of the first character
(relative to left edge of the widget) */
XmTextPosition orig_left; /* unused */
XmTextPosition orig_right; /* unused */
XmTextPosition prim_pos_left; /* HighlightStart */
XmTextPosition prim_pos_right; /* HighlightEnd */
XmTextPosition prim_anchor; /* HighlightPivot */
XmTextPosition sec_pos_left; /* usused */
XmTextPosition sec_pos_right; /* usused */
XmTextPosition sec_anchor; /* usused */
XmTextPosition stuff_pos; /* Position to stuff the primary selection */
Position select_pos_x; /* x position for timer-based scrolling */
Time prim_time; /* Timestamp of primary selection */
Time dest_time; /* Timestamp of destination selection */
Time sec_time; /* Timestamp of secondary selection */
Time last_time; /* Time of last selection event */
XtIntervalId timer_id; /* Blinking cursor timer */
XtIntervalId select_id; /* Timer based scrolling identifier */
int blink_rate; /* Rate of blinking text cursor in msec */
int selection_array_count; /* Selection array count */
int threshold; /* Selection threshold */
int size_allocd; /* Size allocated for value string */
int string_length; /* The number of characters in the string
(including the trailing NULL) */
int cursor_height; /* Save cursor dimensions */
int cursor_width; /* Save cursor dimensions */
int sarray_index; /* Index into selection array */
int max_length; /* Maximum number of character that can be
inserted into the text field widget */
int max_char_size; /* Max bytes per character in cur locale */
short columns; /* The number of characters in the width */
Dimension margin_width; /* Height between text borders and text */
Dimension margin_height; /* Width between text borders and text */
Dimension average_char_width;/* Average character width based on font */
Dimension margin_top; /* Height between text borders and top of text */
Dimension margin_bottom;/* Height between text borders and bottom of text */
Dimension font_ascent; /* Ascent of font or fontset used by widget */
Dimension font_descent; /* Descent of font or fontset used by widget */
Boolean resize_width; /* Allows the widget to grow horizontally
when borders are reached */
Boolean pending_delete; /* Delete primary selection on insert when
set to True */
Boolean editable; /* Sets editablility of text */
Boolean verify_bell; /* Determines if bell is sounded when verify
* callback returns doit - False
*/
Boolean cursor_position_visible; /* Sets visibility of insert cursor */
Boolean traversed; /* Flag used with losing focus verification to
indicate a traversal key pressed event */
Boolean add_mode; /* Add mode for cursor movement */
Boolean has_focus; /* Flag that indicates whether the widget
has input focus */
Boolean blink_on; /* State of Blinking insert cursor */
short int cursor_on; /* Indicates whether the cursor is visible */
Boolean refresh_ibeam_off; /* Indicates whether the area under IBeam needs
to be re-captured */
Boolean have_inverted_image_gc; /* fg/bg of image gc have been swapped */
Boolean has_primary; /* Indicates that is has the
primary selection */
Boolean has_secondary; /* Indicates that is has the
secondary selection */
Boolean has_destination; /* Indicates that is has the
destination selection */
Boolean sec_drag; /* Indicates a secondary drag was made */
Boolean selection_move; /* Indicates that the action requires a
secondary move (i.e. copy & cut) */
Boolean pending_off; /* indicates pending delete state */
Boolean fontlist_created; /* Indicates that the text field widget created
it's own fontlist */
Boolean has_rect; /* currently has clipping rectangle */
Boolean do_drop; /* Indicates that the widget the recieved the
button release, did not have a previous
button press, so it is o.k. to request
the MOTIF_DROP selection. */
Boolean cancel; /* Cancels selection actions when true */
Boolean extending; /* Indicates extending primary selection */
Boolean sec_extending; /* Indicates extending secondary selection */
Boolean changed_visible; /* Indicates whether the dest_visible flag
is in a temporary changed state */
Boolean have_fontset; /* The widgets font is a fontset, not a
* fontstruct... use R5 draw routines */
Boolean in_setvalues; /* used to disable unnecessary redisplays */
Boolean do_resize; /* used to prevent inappropriate resizes */
Boolean redisplay; /* used to set redisplay flag in setvalues */
Boolean overstrike; /* overstrike mode for character input */
Boolean sel_start; /* overstrike mode for character input */
XtPointer extension; /* Pointer to extension record. */
#ifdef BIDI
/* BIDI: Add the following for bi-directional text support */
XmTextMode text_mode; /* mode is VISUAL, IMPLICIT */
XmCsdMode csd_mode; /* csd is AUTO,INITIAL,MIDDLE,FINAL, etc.*/
XmNssMode nss_mode; /* nss is BILINGUAL,ARABIC.HINDU or PASSTHR */
Boolean symmetric_swap; /* should we perform symmetric swapping? */
Boolean expand_tail; /* should we expand the tail for seen family */
Boolean word_break;
Boolean text_compose; /* composed tashkeel over letter */
/* end BIDI */
#endif
Boolean check_set_render_table;
Boolean use_xft;
} XmTextFieldPart;
/* Define the full instance record */
typedef struct _XmTextFieldRec {
CorePart core;
XmPrimitivePart primitive;
XmTextFieldPart text;
} XmTextFieldRec;
/* Define class part structure */
typedef struct {
XtPointer extension;
} XmTextFieldClassPart;
/* Define the full class record */
typedef struct _XmTextFieldClassRec {
CoreClassPart core_class;
XmPrimitiveClassPart primitive_class;
XmTextFieldClassPart textfield_class;
} XmTextFieldClassRec;
/* External definition for class record */
extern XmTextFieldClassRec xmTextFieldClassRec;
#define TF_ALLOC_SIZE 256
#define TextF__(w) ((XmTextFieldWidget)(w))->text
#define TextF__E__(w) ((XmTextFieldPartLesstifExtension *) (((XmTextFieldWidget)(w))->text.extension))
#define TextF_Alloc(w) (TextF__(w).size_allocd)
#define TextF_BlinkRate(w) (TextF__(w).blink_rate)
#define TextF_BlinkOn(w) (TextF__(w).blink_on)
#define TextF_Columns(w) (TextF__(w).columns)
#define TextF_CursorPos(w) (TextF__(w).cursor_position)
#define TextF_CursorPositionVisible(w) (TextF__(w).cursor_position_visible)
#define TextF_Editable(w) (TextF__(w).editable)
#define TextF_Font(w) (TextF__(w).font)
#define TextF_FontList(w) (TextF__(w).font_list)
#define TextF_FontListCreated(w) (TextF__(w).fontlist_created)
#define TextF_HasFocus(w) (TextF__(w).has_focus)
#define TextF_HighlightStart(w) (TextF__(w).prim_pos_left)
#define TextF_HighlightEnd(w) (TextF__(w).prim_pos_right)
#define TextF_HighlightPivot(w) (TextF__(w).prim_anchor)
#define TextF_SecondaryStart(w) (TextF__(w).sec_pos_left)
#define TextF_SecondaryEnd(w) (TextF__(w).sec_pos_right)
#define TextF_SecondaryPivot(w) (TextF__(w).sec_anchor)
#define TextF_MarginHeight(w) (TextF__(w).margin_height)
#define TextF_MarginWidth(w) (TextF__(w).margin_width)
#define TextF_MaxLength(w) (TextF__(w).max_length)
#define TextF_Length(w) (TextF__(w).string_length)
#define TextF_PendingDelete(w) (TextF__(w).pending_delete)
#define TextF_ResizeWidth(w) (TextF__(w).resize_width)
#define TextF_SelectId(w) (TextF__(w).select_id)
#define TextF_SelectionArray(w) (TextF__(w).selection_array)
#define TextF_SelectionArrayCount(w) (TextF__(w).selection_array_count)
#define TextF_SelectThreshold(w) (TextF__(w).select_threshold)
#define TextF_TimerId(w) (TextF__(w).timer_id)
#define TextF_Value(w) (TextF__(w).value)
#define TextF_ValueWcs(w) (TextF__(w).wc_value)
#define TextF_VerifyBell(w) (TextF__(w).verify_bell)
#define TextF_ViewHeight(w) (TextF__(w).margin_top)
#define TextF_ViewWidth(w) (TextF__(w).margin_bottom)
#define TextF_HighlightMode(w) (TextF__(w).highlight.list->mode)
/* Lesstif Extensions */
#define TextF_XOffset(w) (TextF__E__(w)->XOffset)
#define TextF_YOffset(w) (TextF__E__(w)->YOffset)
#define TextF_OldXOffset(w) (TextF__E__(w)->OldXOffset)
#define TextF_OldCursorPos(w) (TextF__E__(w)->OldCursorPos)
#define TextF_OldCursorX(w) (TextF__E__(w)->OldCursorX)
#define TextF_Echo(w) (TextF__E__(w)->Echo)
#define TextF_AllowSelection(w) (TextF__E__(w)->AllowSelection)
#define TextF_SelectionText(w) (TextF__E__(w)->SelectionText)
#define TextF_SelectionLen(w) (TextF__E__(w)->SelectionLen)
#define TextF_OldHighlightStart(w) (TextF__E__(w)->OldHighlightStart)
#define TextF_OldHighlightEnd(w) (TextF__E__(w)->OldHighlightEnd)
#define TextF_FastInsertCursorStart(w) (TextF__E__(w)->FastInsertCursorStart)
#define TextF_FastInsertTextLen(w) (TextF__E__(w)->FastInsertTextLen)
#define TextF_FontHeight(w) (TextF__E__(w)->FontHeight)
#define TextF_XDraw(w) (TextF__E__(w)->XDraw)
#define TextF_YDraw(w) (TextF__E__(w)->YDraw)
#define TextF_TextWidth(w) (TextF__E__(w)->TextWidth)
#define TextF_OldTextWidth(w) (TextF__E__(w)->OldTextWidth)
#define TextF_ActivateCallback(w) (TextF__(w).activate_callback)
#define TextF_FocusCallback(w) (TextF__(w).focus_callback)
#define TextF_LosingFocusCallback(w) (TextF__(w).losing_focus_callback)
#define TextF_ModifyVerifyCallback(w) (TextF__(w).modify_verify_callback)
#define TextF_WcsModifyVerifyCallback(w) (TextF__(w).wcs_modify_verify_callback)
#define TextF_MotionVerifyCallback(w) (TextF__(w).motion_verify_callback)
#define TextF_GainPrimaryCallback(w) (TextF__(w).gain_primary_callback)
#define TextF_LosePrimaryCallback(w) (TextF__(w).lose_primary_callback)
#define TextF_ValueChangedCallback(w) (TextF__(w).value_changed_callback)
/* GC stuff */
#define TextF_DrawGC(w) (TextF__(w).gc) /* drawing and copying */
#define TextF_DrawGCInverted(w) (TextF__(w).have_inverted_image_gc)
#define TextF_CursorGC(w) (TextF__(w).image_gc) /* highlighting text */
#define TextF_CopyGC(w) (TextF__(w).save_gc) /* cursor (not clipped) */
#define TextF_CursorSave(w) (TextF__(w).ibeam_off)
#define TextF_CursorSaveValid(w) (TextF__(w).refresh_ibeam_off)
#define TextF_CursorIBeam(w) (TextF__(w).cursor)
#define TextF_CursorAddMode(w) (TextF__(w).add_mode_cursor)
#define TextF_CursorStipple(w) (TextF__(w).stipple_tile)
/* Font functions */
#define TextF_FontTextWidth(w,s,l) (int)XTextWidth(TextF__(w).font, s, l)
#define TextF_FontAverageWidth(w) (TextF__(w).average_char_width)
#ifdef USE_XFT
#define TextF_FontAscent(w) \
(TextF_UseXft(w) ? \
(TextF_XftFont(w)->ascent) : \
(TextF__(w).font->max_bounds.ascent))
#define TextF_FontDescent(w) \
(TextF_UseXft(w) ? \
(TextF_XftFont(w)->descent) : \
(TextF__(w).font->max_bounds.descent))
#else
#define TextF_FontAscent(w) (TextF__(w).font->max_bounds.ascent)
#define TextF_FontDescent(w) (TextF__(w).font->max_bounds.descent)
#endif
#define TextF_UseXft(w) (((XmTextFieldWidget)(w))->text.use_xft)
#define TextF_XftFont(w) (((XmTextFieldWidget)(w))->text.font_list->renditions[0]->xft_font)
/* Highlight */
#define TextF_Highlight(w) (TextF__(w).highlight)
#ifdef __cplusplus
}
#endif
#endif /* _XM_TEXTFP_H */
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