/* * (c) Copyright 1989, 1990, 1991, 1992 OPEN SOFTWARE FOUNDATION, INC. * ALL RIGHTS RESERVED */ /* $RCSfile: TextP.h,v $ $Revision: 1.45 $ $Date: 92/07/23 11:48:20 $ */ /* * (c) Copyright 1989, DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS. */ /* * (c) Copyright 1987, 1988, 1989, 1990, 1991, 1992 HEWLETT-PACKARD COMPANY */ #ifndef _XmTextP_h #define _XmTextP_h #include #include #include typedef struct _InputRec *Input; typedef struct _OutputRec *Output; #ifdef __cplusplus extern "C" { #endif #define MAXINT 2147483647 /* Biggest number that can fit in long */ #define NODELTA MAXINT #define TEXTWIDGETCLASS "Text" /* Resource class for the text widget. */ #define GetSrc(widget) (((XmTextWidget) (widget))->text.source) #ifndef MIN #define MIN(x,y) ((x) < (y) ? (x) : (y)) #endif /* MIN */ typedef struct { XtPointer extension; /* Pointer to extension record */ } XmTextClassPart; typedef struct _XmTextClassRec { CoreClassPart core_class; XmPrimitiveClassPart primitive_class; XmTextClassPart text_class; } XmTextClassRec; externalref XmTextClassRec xmTextClassRec; typedef struct { XmTextPosition start; /* First position in this line. */ Boolean changed; /* TRUE if something in this line changed. */ XmTextPosition changed_position; /* First position within the line that has changed, if any. */ Boolean past_end; /* TRUE if this line is past the end of any */ /* line actually on the screen. */ LineTableExtra extra; /* Extra info the output module keeps. */ } LineRec, *Line; typedef struct _XmTextLineTableRec{ unsigned int start_pos:31; unsigned int virt_line:1; } XmTextLineTableRec, *XmTextLineTable; typedef struct { XmTextPosition from, to; /* Information on one range to repaint. */ } RangeRec; typedef struct { Cardinal number; /* Number of ranges defined. */ Cardinal maximum; /* Number of ranges we have space for. */ RangeRec *range; /* Pointer to array of ranges. */ } Ranges; /* * Structure for main text info. */ typedef struct _XmTextPart { XmTextSource source; /* The source for this widget. */ XtCallbackList activate_callback; /* command activate callback. */ XtCallbackList focus_callback; /* Focus callback. */ XtCallbackList losing_focus_callback; /* Losing focus callback. */ XtCallbackList value_changed_callback; /* Value changed callback. */ XtCallbackList modify_verify_callback; /* Verify value to change callback.*/ XtCallbackList wcs_modify_verify_callback; /* Verify value to change * callback.*/ XtCallbackList motion_verify_callback; /* Insert cursor position change callback. */ XtCallbackList gain_primary_callback; /* Gained ownership of Primary Selection */ XtCallbackList lose_primary_callback; /* Lost ownership of Primary Selection */ char *value; /* The sring value in the widget */ wchar_t *wc_value; /* Pointer for wchar_t value set by app */ Dimension margin_height; /* height between text borders and text */ Dimension margin_width; /* width between text borders and text */ Position cursor_position_x; /* x pixel location of cursor */ OutputCreateProc output_create; /* Routine to create the output portion. */ InputCreateProc input_create; /* Routine to create the input portion. */ /* The naming incongruity amongst the next three items was introduced */ /* due to a collision with top_position as used as a Form constraint; */ /* It has no other implications. */ XmTextPosition top_character; /* First position to display. */ XmTextPosition bottom_position; /* Last position to display. */ XmTextPosition cursor_position; /* Location of the insertion point. */ int max_length; /* Sets the max. length of string */ int edit_mode; /* Sets the line editing mode (i.e. sinlge_line, multi_line, ...) */ Boolean auto_show_cursor_position; /* If true, automatically try to show the cursor position whenever it changes. */ Boolean editable; /* Determines if text is editable */ Boolean verify_bell; /* Determines if bell is sounded when verify * callback returns doit - False */ Boolean add_mode; /* Determines the state of add moder */ Boolean traversed; /* Flag used with losing focus verification to indicate a traversal key pressed event */ Boolean in_redisplay; /* Whether currently in the redisplay proc. */ Boolean needs_redisplay; /* Whether we need to repaint or refigure. */ Boolean in_refigure_lines; /* Whether currently in refigurelines proc. */ Boolean needs_refigure_lines; /* Whether we need to refigure. */ Boolean in_setvalues; /* Use to reduce unnecessary redisplays and geometry requsets */ Boolean in_resize; /* Make sure there are no geometry requests while we are in resize procedure. */ Boolean in_expose; /* Make sure there are no geometry requests while we are in expose procedure. */ Boolean highlight_changed; /* Whether highlighting recently changed. */ Boolean pendingoff; /* TRUE if we shouldn't do pending delete on the current selection. */ char char_size; /* number of bytes for storing a character */ OnOrOff on_or_off; /* used to halt unecessary motion verify callback calls during primary moves.*/ Output output; /* The output portion. */ Input input; /* The input portion. */ XmTextPosition first_position; /* First legal position in the source. */ XmTextPosition last_position; /* Last legal position in the source. */ XmTextPosition forget_past; /* Forget all about positions past this. */ XmTextPosition force_display; /* Force this position to be displayed. */ XmTextPosition new_top; /* Desired new top position. */ XmTextPosition last_top_char; /* Last top position that was displayed. */ XmTextPosition dest_position; /* Location of the destination point. */ int disable_depth; /* How many levels of disable we've done. */ int pending_scroll; /* Number of lines we want to scroll. */ int total_lines; /* Total number of lines in the text widget */ int top_line; /* Line number of the top visible line */ int vsbar_scrolling; /* scrolling using the vertical scrollbar */ Cardinal number_lines; /* Number of line table entries. */ Cardinal maximum_lines; /* Maximum number of line table entries. */ Line line; /* Pointer to array of line table entries. */ Ranges repaint; /* Info on the repaint ranges. */ _XmHighlightData highlight; /* Info on the highlighting regions. */ _XmHighlightData old_highlight;/* Old value of above. */ Widget inner_widget; /* Pointer to widget which actually contains text (may be same or different from this record). */ XmTextLineTable line_table; unsigned int table_size; unsigned int table_index; } XmTextPart; typedef struct _XmTextRec { CorePart core; XmPrimitivePart primitive; XmTextPart text; } XmTextRec; /******** Private Function Declarations ********/ #ifdef _NO_PROTO extern XmTextPosition _XmTextFindScroll() ; extern int _XmTextGetTotalLines() ; extern XmTextLineTable _XmTextGetLineTable() ; extern void _XmTextRealignLineTable() ; extern unsigned int _XmTextGetTableIndex() ; extern void _XmTextUpdateLineTable() ; extern void _XmTextMarkRedraw() ; extern LineNum _XmTextNumLines() ; extern void _XmTextLineInfo() ; extern LineNum _XmTextPosToLine() ; extern void _XmTextInvalidate() ; extern void _XmTextSetTopCharacter() ; extern int _XmTextCountCharacters() ; extern void _XmTextSetCursorPosition() ; extern void _XmTextDisableRedisplay() ; extern void _XmTextEnableRedisplay() ; #else extern XmTextPosition _XmTextFindScroll( XmTextWidget widget, XmTextPosition start, int delta) ; extern int _XmTextGetTotalLines( Widget widget) ; extern XmTextLineTable _XmTextGetLineTable( Widget widget, int *total_lines) ; extern void _XmTextRealignLineTable( XmTextWidget widget, XmTextLineTable *temp_table, int *temp_table_size, register unsigned int cur_index, register XmTextPosition cur_start, register XmTextPosition cur_end) ; extern unsigned int _XmTextGetTableIndex( XmTextWidget widget, XmTextPosition pos) ; extern void _XmTextUpdateLineTable( Widget widget, XmTextPosition start, XmTextPosition end, XmTextBlock block, #if NeedWidePrototypes int update) ; #else Boolean update) ; #endif /* NeedWidePrototypes */ extern void _XmTextMarkRedraw( XmTextWidget widget, XmTextPosition left, XmTextPosition right) ; extern LineNum _XmTextNumLines( XmTextWidget widget) ; extern void _XmTextLineInfo( XmTextWidget widget, LineNum line, XmTextPosition *startpos, LineTableExtra *extra) ; extern LineNum _XmTextPosToLine( XmTextWidget widget, XmTextPosition position) ; extern void _XmTextInvalidate( XmTextWidget widget, XmTextPosition position, XmTextPosition topos, long delta) ; extern void _XmTextSetTopCharacter( Widget widget, XmTextPosition top_character) ; extern int _XmTextCountCharacters( char *str, int num_count_bytes) ; extern void _XmTextSetCursorPosition( Widget widget, XmTextPosition position) ; extern void _XmTextDisableRedisplay( XmTextWidget widget, #if NeedWidePrototypes int losesbackingstore) ; #else Boolean losesbackingstore) ; #endif /* NeedWidePrototypes */ extern void _XmTextEnableRedisplay( XmTextWidget widget) ; #endif /* _NO_PROTO */ /******** End Private Function Declarations ********/ #ifdef __cplusplus } /* Close scope of 'extern "C"' declaration which encloses file. */ #endif #endif /* _XmTextP_h */ /* DON't ADD STUFF AFTER THIS #endif */