Initial import of the CDE 2.1.30 sources from the Open Group.
This commit is contained in:
Peter Howkins
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cde/lib/DtHelp/DisplayAreaP.h
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242
cde/lib/DtHelp/DisplayAreaP.h
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/* $XConsortium: DisplayAreaP.h /main/18 1996/08/13 11:35:51 cde-hp $ */
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/************************************<+>*************************************
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****************************************************************************
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**
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** File: DisplayAreaP.h
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**
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** Project: Cde Help System
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**
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** Description: Defines the Display Area structures and defines.
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**
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****************************************************************************
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************************************<+>*************************************/
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/*
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* (c) Copyright 1996 Digital Equipment Corporation.
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* (c) Copyright 1987, 1988, 1989, 1990, 1991, 1992,
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1993, 1994, 1996 Hewlett-Packard Company.
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* (c) Copyright 1993, 1994, 1996 International Business Machines Corp.
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* (c) Copyright 1993, 1994, 1996 Sun Microsystems, Inc.
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* (c) Copyright 1993, 1994, 1996 Novell, Inc.
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* (c) Copyright 1996 FUJITSU LIMITED.
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* (c) Copyright 1996 Hitachi.
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*/
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#ifndef _DtHelpDisplayAreaP_h
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#define _DtHelpDisplayAreaP_h
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#include <X11/X.h>
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#include <Xm/XmP.h>
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#include <Dt/CanvasP.h>
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#include <DtI/GraphicsP.h>
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/*
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* Traversal flags
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*/
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#define _DT_HELP_SHADOW_TRAVERSAL (1 << 0)
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#define _DT_HELP_NOT_INITIALIZED (1 << 1)
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#define _DT_HELP_TRAVERSAL_DRAWN (1 << 2)
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#define _DT_HELP_DRAW_TOC_IND (1 << 3)
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#define _DT_HELP_CLEAR_TOC_IND (1 << 4)
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#define _DT_HELP_TOC_ON (1 << 5)
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/*
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* enum states for selection
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*/
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enum _DtHelpSelectState
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{
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_DtHelpNothingDoing,
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_DtHelpCopyOrLink,
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_DtHelpSelectingText
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};
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/*
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* Whether the display area has the focus or not
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*/
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#define _DT_HELP_FOCUS_FLAG 0x04
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typedef struct {
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int used;
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int num_pixels;
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Pixmap pix;
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Pixmap mask;
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Dimension width;
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Dimension height;
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Pixel *pixels;
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} DtHelpGraphicStruct;
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typedef struct {
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_DtCvPointer font_ptr;
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int spc_idx;
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} DtHelpSpecialChars;
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typedef struct _dtHelpDAFontMetrics {
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_DtCvUnit ascent; /* Maximum ascent */
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_DtCvUnit descent; /* Maximum descent */
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_DtCvUnit average_width; /* Average width of a character */
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_DtCvUnit super; /* Offset from baseline for super scripts */
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_DtCvUnit sub; /* Offset from baseline for sub scripts */
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} _DtHelpDAFontMetrics;
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typedef struct {
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short inited;
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_DtHelpDAFontMetrics fm;
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} DtHelpDAFSMetrics;
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typedef struct _DtHelpDAfontInfo {
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char **exact_fonts; /* the list of fonts specified by the
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toss element rather than hints. */
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XrmDatabase def_font_db; /* The default font resource db */
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XrmDatabase font_idx_db; /* Which font index goes with which
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set of font resources */
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XFontStruct **font_structs; /* The font structures opened */
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XFontSet *font_sets; /* The font sets opened */
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DtHelpDAFSMetrics *fs_metrics;
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XrmQuark lang_charset; /* the char set for current lang */
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int *exact_idx; /* The indexes for the exact fonts */
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int max_structs; /* the max number of font_structs */
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int max_sets; /* The max number of font_sets */
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int struct_cnt; /* the cur number of font_structs */
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int set_cnt; /* The cur number of font_sets */
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int def_idx; /* The default index */
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} DtHelpDAFontInfo;
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/*
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* SelectionScroll structure
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*/
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typedef struct {
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int horizontal_reason;
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int vertical_reason;
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} SelectionScrollStruct;
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/*
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* DisplayArea structure
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*/
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typedef struct _dtHelpDispAreaStruct {
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Widget dispWid; /* The text and graphic area. */
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Widget vertScrollWid; /* The vertical scroll bar */
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Widget horzScrollWid; /* The horizontal scroll bar */
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Boolean vertIsMapped;
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Boolean horzIsMapped;
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short neededFlags; /* _DtHelpAS_NEEDED flags */
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short nl_to_space; /* are newlines in multibyte */
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/* strings turned into spaces? */
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Dimension formWidth; /* Pixel width of the parent area */
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Dimension formHeight; /* Pixel height of the parent area */
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Dimension dispWidth; /* Pixel width of the display area */
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Dimension dispHeight; /* Pixel height of the display area */
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Dimension dispUseHeight; /* Pixel height of the display area
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minus the decor margin. */
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Dimension dispUseWidth; /* Pixel width of the display area
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minus the decor margin. */
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Dimension marginWidth; /* Pixel padding at the left and
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right of the display area. */
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Dimension marginHeight; /* Pixel padding at the top and
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bottom of the display area. */
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short decorThickness; /* the shadow thickness plus highlight
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thickness of the display area */
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void (*hyperCall)(); /* The hypertext callback */
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void (*resizeCall)(); /* The resize callback */
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int (*exec_filter)(); /* The execution filter callback */
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XtPointer clientData; /* The client's data for the callback */
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Pixel traversalColor; /* The client's traversal color */
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Pixel foregroundColor; /* The client's foreground color */
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Pixel backgroundColor; /* The client's foreground color */
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Pixel searchColor; /* The client's search hilite color */
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GC pixmapGC;
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GC normalGC;
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GC invertGC;
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Pixmap def_pix; /* the default 'missing pixmap' */
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Dimension def_pix_width; /* the width of the default pixmap */
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Dimension def_pix_height; /* the height of the default pixmap */
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_DtGrContext *context; /* image converter context */
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Colormap colormap; /* The colormap to use */
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Visual *visual; /* The visual to use */
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DtHelpDAFontInfo font_info; /* The font information */
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int depth; /* The depth of the window */
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int fontAscent;
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int lineHeight;
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int leading;
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long charWidth; /* The average size of a character */
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int moveThreshold; /* The number of pixels that must
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be moved before a copy-paste
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action occurs. */
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int underLine;
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int lineThickness; /* For traversal box and underline */
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int firstVisible; /* The absolute number of the first
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line visible in the window. */
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int nextNonVisible; /* The absolute number of the first
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line non visible, next to the last
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visible window. */
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int visibleCount; /* The number of lines viewable */
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int maxYpos; /* Maximum Y positioning */
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int virtualX; /* The virtual x of the window */
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int maxX; /* The max virtual x of a line */
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int max_spc; /* The maximum special characters */
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int cur_spc; /* The current unused structure */
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int timerX; /* Used for button clicks/selections */
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int timerY; /* Used for button clicks/selections */
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int scr_timer_x; /* Used for button clicks/selections */
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int scr_timer_y; /* Used for button clicks/selections */
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int vert_init_scr; /* The initial vert scrolling timeout*/
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int vert_rep_scr; /* The repeat vert scrolling timeout */
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int horz_init_scr; /* The initial horz scrolling timeout*/
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int horz_rep_scr; /* The repeat horz scrolling timeout */
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_DtCvUnit toc_width; /* The width of the toc indicator */
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_DtCvUnit toc_height; /* The height of the toc indicator */
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_DtCvUnit toc_y; /* The y coordinate of the toc */
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_DtCvUnit toc_base; /* The baseline coordinate of the toc*/
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Time anchor_time; /* Indicates the primary selection
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time. */
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Boolean primary; /* Indicates if this widget has the
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primary selection */
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Boolean text_selected; /* Indicates if the selection has
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occurred */
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enum _DtHelpSelectState select_state;
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/* Indicates the state of the current
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selection. */
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short toc_flag; /* Indicates if the traversal indicator
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is always on. */
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_DtCvPointer toc_indicator; /* The indicator used in the toc */
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XtIntervalId scr_timer_id;
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SelectionScrollStruct scr_timer_data;
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DtHelpSpecialChars *spc_chars; /* Structure containing the spc chars */
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_DtCvHandle canvas;
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_DtCvTopicPtr lst_topic;
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wchar_t *cant_begin_chars; /* characters that cannot */
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/* begin a line of text */
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wchar_t *cant_end_chars; /* characters that cannot */
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/* end a line of text */
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short dtinfo; /* Indicates if being used by dtinfo */
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Pixmap stipple; /* stippled pixmap */
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/* callback to be called whenever you manipulate the display */
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/* area's vertical scrollbar directly using XtSetValues, */
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/* because the application (dtinfo) has callbacks on the */
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/* scrollbar, these do not get called when we adjust it with */
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/* XtSetValues() */
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void (*vScrollNotify)(void *,unsigned int);
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/* dtinfo requires this for doing link previews */
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void (*armCallback)(void*);
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_DtCvValue honor_size; /* Layout parameter for _DtCvSetTopic */
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_DtCvRenderType render_type; /* Render type performed on expose */
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unsigned short media_resolution; /* used for scaling images */
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} DtHelpDispAreaStruct;
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#endif /* _DtHelpDisplayAreaP_h */
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