| /* | |
| * tkText.h -- | |
| * | |
| * Declarations shared among the files that implement text widgets. | |
| * | |
| * Copyright (c) 1992-1994 The Regents of the University of California. | |
| * Copyright (c) 1994-1995 Sun Microsystems, Inc. | |
| * | |
| * See the file "license.terms" for information on usage and redistribution of | |
| * this file, and for a DISCLAIMER OF ALL WARRANTIES. | |
| */ | |
| /* | |
| * The data structure below defines a single logical line of text (from | |
| * newline to newline, not necessarily what appears on one display line of the | |
| * screen). | |
| */ | |
| typedef struct TkTextLine { | |
| struct Node *parentPtr; /* Pointer to parent node containing line. */ | |
| struct TkTextLine *nextPtr; /* Next in linked list of lines with same | |
| * parent node in B-tree. NULL means end of | |
| * list. */ | |
| struct TkTextSegment *segPtr; | |
| /* First in ordered list of segments that make | |
| * up the line. */ | |
| int *pixels; /* Array containing two integers for each | |
| * referring text widget. The first of these | |
| * is the number of vertical pixels taken up | |
| * by this line, whether currently displayed | |
| * or not. This number is only updated | |
| * asychronously. The second of these is the | |
| * last epoch at which the pixel height was | |
| * recalculated. */ | |
| } TkTextLine; | |
| /* | |
| * ----------------------------------------------------------------------- | |
| * Segments: each line is divided into one or more segments, where each | |
| * segment is one of several things, such as a group of characters, a tag | |
| * toggle, a mark, or an embedded widget. Each segment starts with a standard | |
| * header followed by a body that varies from type to type. | |
| * ----------------------------------------------------------------------- | |
| */ | |
| /* | |
| * The data structure below defines the body of a segment that represents a | |
| * tag toggle. There is one of these structures at both the beginning and end | |
| * of each tagged range. | |
| */ | |
| typedef struct TkTextToggle { | |
| struct TkTextTag *tagPtr; /* Tag that starts or ends here. */ | |
| int inNodeCounts; /* 1 means this toggle has been accounted for | |
| * in node toggle counts; 0 means it hasn't, | |
| * yet. */ | |
| } TkTextToggle; | |
| /* | |
| * The data structure below defines line segments that represent marks. There | |
| * is one of these for each mark in the text. | |
| */ | |
| typedef struct TkTextMark { | |
| struct TkText *textPtr; /* Overall information about text widget. */ | |
| TkTextLine *linePtr; /* Line structure that contains the | |
| * segment. */ | |
| Tcl_HashEntry *hPtr; /* Pointer to hash table entry for mark (in | |
| * sharedTextPtr->markTable). */ | |
| } TkTextMark; | |
| /* | |
| * A structure of the following type holds information for each window | |
| * embedded in a text widget. This information is only used by the file | |
| * tkTextWind.c | |
| */ | |
| typedef struct TkTextEmbWindowClient { | |
| struct TkText *textPtr; /* Information about the overall text | |
| * widget. */ | |
| Tk_Window tkwin; /* Window for this segment. NULL means that | |
| * the window hasn't been created yet. */ | |
| int chunkCount; /* Number of display chunks that refer to this | |
| * window. */ | |
| int displayed; /* Non-zero means that the window has been | |
| * displayed on the screen recently. */ | |
| struct TkTextSegment *parent; | |
| struct TkTextEmbWindowClient *next; | |
| } TkTextEmbWindowClient; | |
| typedef struct TkTextEmbWindow { | |
| struct TkSharedText *sharedTextPtr; | |
| /* Information about the shared portion of the | |
| * text widget. */ | |
| Tk_Window tkwin; /* Window for this segment. This is just a | |
| * temporary value, copied from 'clients', to | |
| * make option table updating easier. NULL | |
| * means that the window hasn't been created | |
| * yet. */ | |
| TkTextLine *linePtr; /* Line structure that contains this | |
| * window. */ | |
| char *create; /* Script to create window on-demand. NULL | |
| * means no such script. Malloc-ed. */ | |
| int align; /* How to align window in vertical space. See | |
| * definitions in tkTextWind.c. */ | |
| int padX, padY; /* Padding to leave around each side of | |
| * window, in pixels. */ | |
| int stretch; /* Should window stretch to fill vertical | |
| * space of line (except for pady)? 0 or 1. */ | |
| Tk_OptionTable optionTable; /* Token representing the configuration | |
| * specifications. */ | |
| TkTextEmbWindowClient *clients; | |
| /* Linked list of peer-widget specific | |
| * information for this embedded window. */ | |
| } TkTextEmbWindow; | |
| /* | |
| * A structure of the following type holds information for each image embedded | |
| * in a text widget. This information is only used by the file tkTextImage.c | |
| */ | |
| typedef struct TkTextEmbImage { | |
| struct TkSharedText *sharedTextPtr; | |
| /* Information about the shared portion of the | |
| * text widget. This is used when the image | |
| * changes or is deleted. */ | |
| TkTextLine *linePtr; /* Line structure that contains this image. */ | |
| char *imageString; /* Name of the image for this segment. */ | |
| char *imageName; /* Name used by text widget to identify this | |
| * image. May be unique-ified. */ | |
| char *name; /* Name used in the hash table. Used by | |
| * "image names" to identify this instance of | |
| * the image. */ | |
| Tk_Image image; /* Image for this segment. NULL means that the | |
| * image hasn't been created yet. */ | |
| int align; /* How to align image in vertical space. See | |
| * definitions in tkTextImage.c. */ | |
| int padX, padY; /* Padding to leave around each side of image, | |
| * in pixels. */ | |
| int chunkCount; /* Number of display chunks that refer to this | |
| * image. */ | |
| Tk_OptionTable optionTable; /* Token representing the configuration | |
| * specifications. */ | |
| } TkTextEmbImage; | |
| /* | |
| * The data structure below defines line segments. | |
| */ | |
| typedef struct TkTextSegment { | |
| const struct Tk_SegType *typePtr; | |
| /* Pointer to record describing segment's | |
| * type. */ | |
| struct TkTextSegment *nextPtr; | |
| /* Next in list of segments for this line, or | |
| * NULL for end of list. */ | |
| int size; /* Size of this segment (# of bytes of index | |
| * space it occupies). */ | |
| union { | |
| char chars[TCL_UTF_MAX]; /* Characters that make up character info. | |
| * Actual length varies to hold as many | |
| * characters as needed.*/ | |
| TkTextToggle toggle; /* Information about tag toggle. */ | |
| TkTextMark mark; /* Information about mark. */ | |
| TkTextEmbWindow ew; /* Information about embedded window. */ | |
| TkTextEmbImage ei; /* Information about embedded image. */ | |
| } body; | |
| } TkTextSegment; | |
| /* | |
| * Data structures of the type defined below are used during the execution of | |
| * Tcl commands to keep track of various interesting places in a text. An | |
| * index is only valid up until the next modification to the character | |
| * structure of the b-tree so they can't be retained across Tcl commands. | |
| * However, mods to marks or tags don't invalidate indices. | |
| */ | |
| typedef struct TkTextIndex { | |
| TkTextBTree tree; /* Tree containing desired position. */ | |
| TkTextLine *linePtr; /* Pointer to line containing position of | |
| * interest. */ | |
| int byteIndex; /* Index within line of desired character (0 | |
| * means first one). */ | |
| struct TkText *textPtr; /* May be NULL, but otherwise the text widget | |
| * with which this index is associated. If not | |
| * NULL, then we have a refCount on the | |
| * widget. */ | |
| } TkTextIndex; | |
| /* | |
| * Types for procedure pointers stored in TkTextDispChunk strutures: | |
| */ | |
| typedef struct TkTextDispChunk TkTextDispChunk; | |
| typedef void Tk_ChunkDisplayProc(struct TkText *textPtr, | |
| TkTextDispChunk *chunkPtr, int x, int y, | |
| int height, int baseline, Display *display, | |
| Drawable dst, int screenY); | |
| typedef void Tk_ChunkUndisplayProc(struct TkText *textPtr, | |
| TkTextDispChunk *chunkPtr); | |
| typedef int Tk_ChunkMeasureProc(TkTextDispChunk *chunkPtr, int x); | |
| typedef void Tk_ChunkBboxProc(struct TkText *textPtr, | |
| TkTextDispChunk *chunkPtr, int index, int y, | |
| int lineHeight, int baseline, int *xPtr, | |
| int *yPtr, int *widthPtr, int *heightPtr); | |
| /* | |
| * The structure below represents a chunk of stuff that is displayed together | |
| * on the screen. This structure is allocated and freed by generic display | |
| * code but most of its fields are filled in by segment-type-specific code. | |
| */ | |
| struct TkTextDispChunk { | |
| /* | |
| * The fields below are set by the type-independent code before calling | |
| * the segment-type-specific layoutProc. They should not be modified by | |
| * segment-type-specific code. | |
| */ | |
| int x; /* X position of chunk, in pixels. This | |
| * position is measured from the left edge of | |
| * the logical line, not from the left edge of | |
| * the window (i.e. it doesn't change under | |
| * horizontal scrolling). */ | |
| struct TkTextDispChunk *nextPtr; | |
| /* Next chunk in the display line or NULL for | |
| * the end of the list. */ | |
| struct TextStyle *stylePtr; /* Display information, known only to | |
| * tkTextDisp.c. */ | |
| /* | |
| * The fields below are set by the layoutProc that creates the chunk. | |
| */ | |
| Tk_ChunkDisplayProc *displayProc; | |
| /* Procedure to invoke to draw this chunk on | |
| * the display or an off-screen pixmap. */ | |
| Tk_ChunkUndisplayProc *undisplayProc; | |
| /* Procedure to invoke when segment ceases to | |
| * be displayed on screen anymore. */ | |
| Tk_ChunkMeasureProc *measureProc; | |
| /* Procedure to find character under a given | |
| * x-location. */ | |
| Tk_ChunkBboxProc *bboxProc; /* Procedure to find bounding box of character | |
| * in chunk. */ | |
| int numBytes; /* Number of bytes that will be displayed in | |
| * the chunk. */ | |
| int minAscent; /* Minimum space above the baseline needed by | |
| * this chunk. */ | |
| int minDescent; /* Minimum space below the baseline needed by | |
| * this chunk. */ | |
| int minHeight; /* Minimum total line height needed by this | |
| * chunk. */ | |
| int width; /* Width of this chunk, in pixels. Initially | |
| * set by chunk-specific code, but may be | |
| * increased to include tab or extra space at | |
| * end of line. */ | |
| int breakIndex; /* Index within chunk of last acceptable | |
| * position for a line (break just before this | |
| * byte index). <= 0 means don't break during | |
| * or immediately after this chunk. */ | |
| ClientData clientData; /* Additional information for use of | |
| * displayProc and undisplayProc. */ | |
| }; | |
| /* | |
| * One data structure of the following type is used for each tag in a text | |
| * widget. These structures are kept in sharedTextPtr->tagTable and referred | |
| * to in other structures. | |
| */ | |
| typedef enum { | |
| TEXT_WRAPMODE_CHAR, TEXT_WRAPMODE_NONE, TEXT_WRAPMODE_WORD, | |
| TEXT_WRAPMODE_NULL | |
| } TkWrapMode; | |
| typedef struct TkTextTag { | |
| const char *name; /* Name of this tag. This field is actually a | |
| * pointer to the key from the entry in | |
| * sharedTextPtr->tagTable, so it needn't be | |
| * freed explicitly. For 'sel' tags this is | |
| * just a static string, so again need not be | |
| * freed. */ | |
| const struct TkText *textPtr; | |
| /* If non-NULL, then this tag only applies to | |
| * the given text widget (when there are peer | |
| * widgets). */ | |
| int priority; /* Priority of this tag within widget. 0 means | |
| * lowest priority. Exactly one tag has each | |
| * integer value between 0 and numTags-1. */ | |
| struct Node *tagRootPtr; /* Pointer into the B-Tree at the lowest node | |
| * that completely dominates the ranges of | |
| * text occupied by the tag. At this node | |
| * there is no information about the tag. One | |
| * or more children of the node do contain | |
| * information about the tag. */ | |
| int toggleCount; /* Total number of tag toggles. */ | |
| /* | |
| * Information for displaying text with this tag. The information belows | |
| * acts as an override on information specified by lower-priority tags. | |
| * If no value is specified, then the next-lower-priority tag on the text | |
| * determins the value. The text widget itself provides defaults if no tag | |
| * specifies an override. | |
| */ | |
| Tk_3DBorder border; /* Used for drawing background. NULL means no | |
| * value specified here. */ | |
| int borderWidth; /* Width of 3-D border for background. */ | |
| Tcl_Obj *borderWidthPtr; /* Width of 3-D border for background. */ | |
| char *reliefString; /* -relief option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int relief; /* 3-D relief for background. */ | |
| Pixmap bgStipple; /* Stipple bitmap for background. None means | |
| * no value specified here. */ | |
| XColor *fgColor; /* Foreground color for text. NULL means no | |
| * value specified here. */ | |
| Tk_Font tkfont; /* Font for displaying text. NULL means no | |
| * value specified here. */ | |
| Pixmap fgStipple; /* Stipple bitmap for text and other | |
| * foreground stuff. None means no value | |
| * specified here.*/ | |
| char *justifyString; /* -justify option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| Tk_Justify justify; /* How to justify text: TK_JUSTIFY_LEFT, | |
| * TK_JUSTIFY_RIGHT, or TK_JUSTIFY_CENTER. | |
| * Only valid if justifyString is non-NULL. */ | |
| char *lMargin1String; /* -lmargin1 option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int lMargin1; /* Left margin for first display line of each | |
| * text line, in pixels. Only valid if | |
| * lMargin1String is non-NULL. */ | |
| char *lMargin2String; /* -lmargin2 option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int lMargin2; /* Left margin for second and later display | |
| * lines of each text line, in pixels. Only | |
| * valid if lMargin2String is non-NULL. */ | |
| Tk_3DBorder lMarginColor; /* Used for drawing background in left margins. | |
| * This is used for both lmargin1 and lmargin2. | |
| * NULL means no value specified here. */ | |
| char *offsetString; /* -offset option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int offset; /* Vertical offset of text's baseline from | |
| * baseline of line. Used for superscripts and | |
| * subscripts. Only valid if offsetString is | |
| * non-NULL. */ | |
| char *overstrikeString; /* -overstrike option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int overstrike; /* Non-zero means draw horizontal line through | |
| * middle of text. Only valid if | |
| * overstrikeString is non-NULL. */ | |
| XColor *overstrikeColor; /* Color for the overstrike. NULL means same | |
| * color as foreground. */ | |
| char *rMarginString; /* -rmargin option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int rMargin; /* Right margin for text, in pixels. Only | |
| * valid if rMarginString is non-NULL. */ | |
| Tk_3DBorder rMarginColor; /* Used for drawing background in right margin. | |
| * NULL means no value specified here. */ | |
| Tk_3DBorder selBorder; /* Used for drawing background for selected text. | |
| * NULL means no value specified here. */ | |
| XColor *selFgColor; /* Foreground color for selected text. NULL means | |
| * no value specified here. */ | |
| char *spacing1String; /* -spacing1 option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int spacing1; /* Extra spacing above first display line for | |
| * text line. Only valid if spacing1String is | |
| * non-NULL. */ | |
| char *spacing2String; /* -spacing2 option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int spacing2; /* Extra spacing between display lines for the | |
| * same text line. Only valid if | |
| * spacing2String is non-NULL. */ | |
| char *spacing3String; /* -spacing2 option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int spacing3; /* Extra spacing below last display line for | |
| * text line. Only valid if spacing3String is | |
| * non-NULL. */ | |
| Tcl_Obj *tabStringPtr; /* -tabs option string. NULL means option not | |
| * specified. */ | |
| struct TkTextTabArray *tabArrayPtr; | |
| /* Info about tabs for tag (malloc-ed) or | |
| * NULL. Corresponds to tabString. */ | |
| int tabStyle; /* One of TABULAR or WORDPROCESSOR or NONE (if | |
| * not specified). */ | |
| char *underlineString; /* -underline option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int underline; /* Non-zero means draw underline underneath | |
| * text. Only valid if underlineString is | |
| * non-NULL. */ | |
| XColor *underlineColor; /* Color for the underline. NULL means same | |
| * color as foreground. */ | |
| TkWrapMode wrapMode; /* How to handle wrap-around for this tag. | |
| * Must be TEXT_WRAPMODE_CHAR, | |
| * TEXT_WRAPMODE_NONE, TEXT_WRAPMODE_WORD, or | |
| * TEXT_WRAPMODE_NULL to use wrapmode for | |
| * whole widget. */ | |
| char *elideString; /* -elide option string (malloc-ed). NULL | |
| * means option not specified. */ | |
| int elide; /* Non-zero means that data under this tag | |
| * should not be displayed. */ | |
| int affectsDisplay; /* Non-zero means that this tag affects the | |
| * way information is displayed on the screen | |
| * (so need to redisplay if tag changes). */ | |
| Tk_OptionTable optionTable; /* Token representing the configuration | |
| * specifications. */ | |
| int affectsDisplayGeometry; /* Non-zero means that this tag affects the | |
| * size with which information is displayed on | |
| * the screen (so need to recalculate line | |
| * dimensions if tag changes). */ | |
| } TkTextTag; | |
| /* | |
| * The data structure below is used for searching a B-tree for transitions on | |
| * a single tag (or for all tag transitions). No code outside of tkTextBTree.c | |
| * should ever modify any of the fields in these structures, but it's OK to | |
| * use them for read-only information. | |
| */ | |
| typedef struct TkTextSearch { | |
| TkTextIndex curIndex; /* Position of last tag transition returned by | |
| * TkBTreeNextTag, or index of start of | |
| * segment containing starting position for | |
| * search if TkBTreeNextTag hasn't been called | |
| * yet, or same as stopIndex if search is | |
| * over. */ | |
| TkTextSegment *segPtr; /* Actual tag segment returned by last call to | |
| * TkBTreeNextTag, or NULL if TkBTreeNextTag | |
| * hasn't returned anything yet. */ | |
| TkTextSegment *nextPtr; /* Where to resume search in next call to | |
| * TkBTreeNextTag. */ | |
| TkTextSegment *lastPtr; /* Stop search before just before considering | |
| * this segment. */ | |
| TkTextTag *tagPtr; /* Tag to search for (or tag found, if allTags | |
| * is non-zero). */ | |
| int linesLeft; /* Lines left to search (including curIndex | |
| * and stopIndex). When this becomes <= 0 the | |
| * search is over. */ | |
| int allTags; /* Non-zero means ignore tag check: search for | |
| * transitions on all tags. */ | |
| } TkTextSearch; | |
| /* | |
| * The following data structure describes a single tab stop. It must be kept | |
| * in sync with the 'tabOptionStrings' array in the function 'TkTextGetTabs' | |
| */ | |
| typedef enum {LEFT, RIGHT, CENTER, NUMERIC} TkTextTabAlign; | |
| /* | |
| * The following are the supported styles of tabbing, used for the -tabstyle | |
| * option of the text widget. The last element is only used for tag options. | |
| */ | |
| typedef enum { | |
| TK_TEXT_TABSTYLE_TABULAR, | |
| TK_TEXT_TABSTYLE_WORDPROCESSOR, | |
| TK_TEXT_TABSTYLE_NONE | |
| } TkTextTabStyle; | |
| typedef struct TkTextTab { | |
| int location; /* Offset in pixels of this tab stop from the | |
| * left margin (lmargin2) of the text. */ | |
| TkTextTabAlign alignment; /* Where the tab stop appears relative to the | |
| * text. */ | |
| } TkTextTab; | |
| typedef struct TkTextTabArray { | |
| int numTabs; /* Number of tab stops. */ | |
| double lastTab; /* The accurate fractional pixel position of | |
| * the last tab. */ | |
| double tabIncrement; /* The accurate fractional pixel increment | |
| * between interpolated tabs we have to create | |
| * when we exceed numTabs. */ | |
| TkTextTab tabs[TKFLEXARRAY];/* Array of tabs. The actual size will be | |
| * numTabs. THIS FIELD MUST BE THE LAST IN THE | |
| * STRUCTURE. */ | |
| } TkTextTabArray; | |
| /* | |
| * Enumeration defining the edit modes of the widget. | |
| */ | |
| typedef enum { | |
| TK_TEXT_EDIT_INSERT, /* insert mode */ | |
| TK_TEXT_EDIT_DELETE, /* delete mode */ | |
| TK_TEXT_EDIT_REPLACE, /* replace mode */ | |
| TK_TEXT_EDIT_OTHER /* none of the above */ | |
| } TkTextEditMode; | |
| /* | |
| * Enumeration defining the ways in which a text widget may be modified (for | |
| * undo/redo handling). | |
| */ | |
| typedef enum { | |
| TK_TEXT_DIRTY_NORMAL, /* Normal behavior. */ | |
| TK_TEXT_DIRTY_UNDO, /* Reverting a compound action. */ | |
| TK_TEXT_DIRTY_REDO, /* Reapplying a compound action. */ | |
| TK_TEXT_DIRTY_FIXED /* Forced to be dirty; can't be undone/redone | |
| * by normal activity. */ | |
| } TkTextDirtyMode; | |
| /* | |
| * The following enum is used to define a type for the -state option of the | |
| * Text widget. | |
| */ | |
| typedef enum { | |
| TK_TEXT_STATE_DISABLED, TK_TEXT_STATE_NORMAL | |
| } TkTextState; | |
| /* | |
| * A data structure of the following type is shared between each text widget | |
| * that are peers. | |
| */ | |
| typedef struct TkSharedText { | |
| int refCount; /* Reference count this shared object. */ | |
| TkTextBTree tree; /* B-tree representation of text and tags for | |
| * widget. */ | |
| Tcl_HashTable tagTable; /* Hash table that maps from tag names to | |
| * pointers to TkTextTag structures. The "sel" | |
| * tag does not feature in this table, since | |
| * there's one of those for each text peer. */ | |
| int numTags; /* Number of tags currently defined for | |
| * widget; needed to keep track of | |
| * priorities. */ | |
| Tcl_HashTable markTable; /* Hash table that maps from mark names to | |
| * pointers to mark segments. The special | |
| * "insert" and "current" marks are not stored | |
| * in this table, but directly accessed as | |
| * fields of textPtr. */ | |
| Tcl_HashTable windowTable; /* Hash table that maps from window names to | |
| * pointers to window segments. If a window | |
| * segment doesn't yet have an associated | |
| * window, there is no entry for it here. */ | |
| Tcl_HashTable imageTable; /* Hash table that maps from image names to | |
| * pointers to image segments. If an image | |
| * segment doesn't yet have an associated | |
| * image, there is no entry for it here. */ | |
| Tk_BindingTable bindingTable; | |
| /* Table of all bindings currently defined for | |
| * this widget. NULL means that no bindings | |
| * exist, so the table hasn't been created. | |
| * Each "object" used for this table is the | |
| * name of a tag. */ | |
| int stateEpoch; /* This is incremented each time the B-tree's | |
| * contents change structurally, or when the | |
| * start/end limits change, and means that any | |
| * cached TkTextIndex objects are no longer | |
| * valid. */ | |
| int imageCount; /* Used for creating unique image names. */ | |
| /* | |
| * Information related to the undo/redo functionality. | |
| */ | |
| TkUndoRedoStack *undoStack; /* The undo/redo stack. */ | |
| int undo; /* Non-zero means the undo/redo behaviour is | |
| * enabled. */ | |
| int maxUndo; /* The maximum depth of the undo stack | |
| * expressed as the maximum number of compound | |
| * statements. */ | |
| int autoSeparators; /* Non-zero means the separators will be | |
| * inserted automatically. */ | |
| int isDirty; /* Flag indicating the 'dirtyness' of the | |
| * text widget. If the flag is not zero, | |
| * unsaved modifications have been applied to | |
| * the text widget. */ | |
| TkTextDirtyMode dirtyMode; /* The nature of the dirtyness characterized | |
| * by the isDirty flag. */ | |
| TkTextEditMode lastEditMode;/* Keeps track of what the last edit mode | |
| * was. */ | |
| /* | |
| * Keep track of all the peers | |
| */ | |
| struct TkText *peers; | |
| } TkSharedText; | |
| /* | |
| * The following enum is used to define a type for the -insertunfocussed | |
| * option of the Text widget. | |
| */ | |
| typedef enum { | |
| TK_TEXT_INSERT_NOFOCUS_HOLLOW, | |
| TK_TEXT_INSERT_NOFOCUS_NONE, | |
| TK_TEXT_INSERT_NOFOCUS_SOLID | |
| } TkTextInsertUnfocussed; | |
| /* | |
| * A data structure of the following type is kept for each text widget that | |
| * currently exists for this process: | |
| */ | |
| typedef struct TkText { | |
| /* | |
| * Information related to and accessed by widget peers and the | |
| * TkSharedText handling routines. | |
| */ | |
| TkSharedText *sharedTextPtr;/* Shared section of all peers. */ | |
| struct TkText *next; /* Next in list of linked peers. */ | |
| TkTextLine *start; /* First B-tree line to show, or NULL to start | |
| * at the beginning. */ | |
| TkTextLine *end; /* Last B-tree line to show, or NULL for up to | |
| * the end. */ | |
| int pixelReference; /* Counter into the current tree reference | |
| * index corresponding to this widget. */ | |
| int abortSelections; /* Set to 1 whenever the text is modified in a | |
| * way that interferes with selection | |
| * retrieval: used to abort incremental | |
| * selection retrievals. */ | |
| /* | |
| * Standard Tk widget information and text-widget specific items | |
| */ | |
| Tk_Window tkwin; /* Window that embodies the text. NULL means | |
| * that the window has been destroyed but the | |
| * data structures haven't yet been cleaned | |
| * up.*/ | |
| Display *display; /* Display for widget. Needed, among other | |
| * things, to allow resources to be freed even | |
| * after tkwin has gone away. */ | |
| Tcl_Interp *interp; /* Interpreter associated with widget. Used to | |
| * delete widget command. */ | |
| Tcl_Command widgetCmd; /* Token for text's widget command. */ | |
| int state; /* Either STATE_NORMAL or STATE_DISABLED. A | |
| * text widget is read-only when disabled. */ | |
| /* | |
| * Default information for displaying (may be overridden by tags applied | |
| * to ranges of characters). | |
| */ | |
| Tk_3DBorder border; /* Structure used to draw 3-D border and | |
| * default background. */ | |
| int borderWidth; /* Width of 3-D border to draw around entire | |
| * widget. */ | |
| int padX, padY; /* Padding between text and window border. */ | |
| int relief; /* 3-d effect for border around entire widget: | |
| * TK_RELIEF_RAISED etc. */ | |
| int highlightWidth; /* Width in pixels of highlight to draw around | |
| * widget when it has the focus. <= 0 means | |
| * don't draw a highlight. */ | |
| XColor *highlightBgColorPtr; | |
| /* Color for drawing traversal highlight area | |
| * when highlight is off. */ | |
| XColor *highlightColorPtr; /* Color for drawing traversal highlight. */ | |
| Tk_Cursor cursor; /* Current cursor for window, or NULL. */ | |
| XColor *fgColor; /* Default foreground color for text. */ | |
| Tk_Font tkfont; /* Default font for displaying text. */ | |
| int charWidth; /* Width of average character in default | |
| * font. */ | |
| int charHeight; /* Height of average character in default | |
| * font, including line spacing. */ | |
| int spacing1; /* Default extra spacing above first display | |
| * line for each text line. */ | |
| int spacing2; /* Default extra spacing between display lines | |
| * for the same text line. */ | |
| int spacing3; /* Default extra spacing below last display | |
| * line for each text line. */ | |
| Tcl_Obj *tabOptionPtr; /* Value of -tabs option string. */ | |
| TkTextTabArray *tabArrayPtr; | |
| /* Information about tab stops (malloc'ed). | |
| * NULL means perform default tabbing | |
| * behavior. */ | |
| int tabStyle; /* One of TABULAR or WORDPROCESSOR. */ | |
| /* | |
| * Additional information used for displaying: | |
| */ | |
| TkWrapMode wrapMode; /* How to handle wrap-around. Must be | |
| * TEXT_WRAPMODE_CHAR, TEXT_WRAPMODE_NONE, or | |
| * TEXT_WRAPMODE_WORD. */ | |
| int width, height; /* Desired dimensions for window, measured in | |
| * characters. */ | |
| int setGrid; /* Non-zero means pass gridding information to | |
| * window manager. */ | |
| int prevWidth, prevHeight; /* Last known dimensions of window; used to | |
| * detect changes in size. */ | |
| TkTextIndex topIndex; /* Identifies first character in top display | |
| * line of window. */ | |
| struct TextDInfo *dInfoPtr; /* Information maintained by tkTextDisp.c. */ | |
| /* | |
| * Information related to selection. | |
| */ | |
| TkTextTag *selTagPtr; /* Pointer to "sel" tag. Used to tell when a | |
| * new selection has been made. */ | |
| Tk_3DBorder selBorder; /* Border and background for selected | |
| * characters. This is a copy of information | |
| * in *selTagPtr, so it shouldn't be | |
| * explicitly freed. */ | |
| Tk_3DBorder inactiveSelBorder; | |
| /* Border and background for selected | |
| * characters when they don't have the | |
| * focus. */ | |
| int selBorderWidth; /* Width of border around selection. */ | |
| Tcl_Obj *selBorderWidthPtr; /* Width of border around selection. */ | |
| XColor *selFgColorPtr; /* Foreground color for selected text. This is | |
| * a copy of information in *selTagPtr, so it | |
| * shouldn't be explicitly freed. */ | |
| int exportSelection; /* Non-zero means tie "sel" tag to X | |
| * selection. */ | |
| TkTextIndex selIndex; /* Used during multi-pass selection | |
| * retrievals. This index identifies the next | |
| * character to be returned from the | |
| * selection. */ | |
| /* | |
| * Information related to insertion cursor: | |
| */ | |
| TkTextSegment *insertMarkPtr; | |
| /* Points to segment for "insert" mark. */ | |
| Tk_3DBorder insertBorder; /* Used to draw vertical bar for insertion | |
| * cursor. */ | |
| int insertWidth; /* Total width of insert cursor. */ | |
| int insertBorderWidth; /* Width of 3-D border around insert cursor */ | |
| TkTextInsertUnfocussed insertUnfocussed; | |
| /* How to display the insert cursor when the | |
| * text widget does not have the focus. */ | |
| int insertOnTime; /* Number of milliseconds cursor should spend | |
| * in "on" state for each blink. */ | |
| int insertOffTime; /* Number of milliseconds cursor should spend | |
| * in "off" state for each blink. */ | |
| Tcl_TimerToken insertBlinkHandler; | |
| /* Timer handler used to blink cursor on and | |
| * off. */ | |
| /* | |
| * Information used for event bindings associated with tags: | |
| */ | |
| TkTextSegment *currentMarkPtr; | |
| /* Pointer to segment for "current" mark, or | |
| * NULL if none. */ | |
| XEvent pickEvent; /* The event from which the current character | |
| * was chosen. Must be saved so that we can | |
| * repick after modifications to the text. */ | |
| int numCurTags; /* Number of tags associated with character at | |
| * current mark. */ | |
| TkTextTag **curTagArrayPtr; /* Pointer to array of tags for current mark, | |
| * or NULL if none. */ | |
| /* | |
| * Miscellaneous additional information: | |
| */ | |
| char *takeFocus; /* Value of -takeFocus option; not used in the | |
| * C code, but used by keyboard traversal | |
| * scripts. Malloc'ed, but may be NULL. */ | |
| char *xScrollCmd; /* Prefix of command to issue to update | |
| * horizontal scrollbar when view changes. */ | |
| char *yScrollCmd; /* Prefix of command to issue to update | |
| * vertical scrollbar when view changes. */ | |
| int flags; /* Miscellaneous flags; see below for | |
| * definitions. */ | |
| Tk_OptionTable optionTable; /* Token representing the configuration | |
| * specifications. */ | |
| int refCount; /* Number of cached TkTextIndex objects | |
| * refering to us. */ | |
| int insertCursorType; /* 0 = standard insertion cursor, 1 = block | |
| * cursor. */ | |
| /* | |
| * Copies of information from the shared section relating to the undo/redo | |
| * functonality | |
| */ | |
| int undo; /* Non-zero means the undo/redo behaviour is | |
| * enabled. */ | |
| int maxUndo; /* The maximum depth of the undo stack | |
| * expressed as the maximum number of compound | |
| * statements. */ | |
| int autoSeparators; /* Non-zero means the separators will be | |
| * inserted automatically. */ | |
| Tcl_Obj *afterSyncCmd; /* Command to be executed when lines are up to | |
| * date */ | |
| } TkText; | |
| /* | |
| * Flag values for TkText records: | |
| * | |
| * GOT_SELECTION: Non-zero means we've already claimed the | |
| * selection. | |
| * INSERT_ON: Non-zero means insertion cursor should be | |
| * displayed on screen. | |
| * GOT_FOCUS: Non-zero means this window has the input | |
| * focus. | |
| * BUTTON_DOWN: 1 means that a mouse button is currently down; | |
| * this is used to implement grabs for the | |
| * duration of button presses. | |
| * UPDATE_SCROLLBARS: Non-zero means scrollbar(s) should be updated | |
| * during next redisplay operation. | |
| * NEED_REPICK This appears unused and should probably be | |
| * ignored. | |
| * OPTIONS_FREED The widget's options have been freed. | |
| * DESTROYED The widget is going away. | |
| */ | |
| /* | |
| * Records of the following type define segment types in terms of a collection | |
| * of procedures that may be called to manipulate segments of that type. | |
| */ | |
| typedef TkTextSegment * Tk_SegSplitProc(struct TkTextSegment *segPtr, | |
| int index); | |
| typedef int Tk_SegDeleteProc(struct TkTextSegment *segPtr, | |
| TkTextLine *linePtr, int treeGone); | |
| typedef TkTextSegment * Tk_SegCleanupProc(struct TkTextSegment *segPtr, | |
| TkTextLine *linePtr); | |
| typedef void Tk_SegLineChangeProc(struct TkTextSegment *segPtr, | |
| TkTextLine *linePtr); | |
| typedef int Tk_SegLayoutProc(struct TkText *textPtr, | |
| struct TkTextIndex *indexPtr, | |
| TkTextSegment *segPtr, int offset, int maxX, | |
| int maxChars, int noCharsYet, TkWrapMode wrapMode, | |
| struct TkTextDispChunk *chunkPtr); | |
| typedef void Tk_SegCheckProc(TkTextSegment *segPtr, | |
| TkTextLine *linePtr); | |
| typedef struct Tk_SegType { | |
| const char *name; /* Name of this kind of segment. */ | |
| int leftGravity; /* If a segment has zero size (e.g. a mark or | |
| * tag toggle), does it attach to character to | |
| * its left or right? 1 means left, 0 means | |
| * right. */ | |
| Tk_SegSplitProc *splitProc; /* Procedure to split large segment into two | |
| * smaller ones. */ | |
| Tk_SegDeleteProc *deleteProc; | |
| /* Procedure to call to delete segment. */ | |
| Tk_SegCleanupProc *cleanupProc; | |
| /* After any change to a line, this procedure | |
| * is invoked for all segments left in the | |
| * line to perform any cleanup they wish | |
| * (e.g. joining neighboring segments). */ | |
| Tk_SegLineChangeProc *lineChangeProc; | |
| /* Invoked when a segment is about to be moved | |
| * from its current line to an earlier line | |
| * because of a deletion. The linePtr is that | |
| * for the segment's old line. CleanupProc | |
| * will be invoked after the deletion is | |
| * finished. */ | |
| Tk_SegLayoutProc *layoutProc; | |
| /* Returns size information when figuring out | |
| * what to display in window. */ | |
| Tk_SegCheckProc *checkProc; /* Called during consistency checks to check | |
| * internal consistency of segment. */ | |
| } Tk_SegType; | |
| /* | |
| * The following type and items describe different flags for text widget items | |
| * to count. They are used in both tkText.c and tkTextIndex.c, in | |
| * 'CountIndices', 'TkTextIndexBackChars', 'TkTextIndexForwChars', and | |
| * 'TkTextIndexCount'. | |
| */ | |
| typedef int TkTextCountType; | |
| /* | |
| * The following structure is used to keep track of elided text taking account | |
| * of different tag priorities, it is need for quick calculations of whether a | |
| * single index is elided, and to start at a given index and maintain a | |
| * correct elide state as we move or count forwards or backwards. | |
| */ | |
| typedef struct TkTextElideInfo { | |
| int numTags; /* Total tags in widget. */ | |
| int elide; /* Is the state currently elided. */ | |
| int elidePriority; /* Tag priority controlling elide state. */ | |
| TkTextSegment *segPtr; /* Segment to look at next. */ | |
| int segOffset; /* Offset of segment within line. */ | |
| int deftagCnts[LOTSA_TAGS]; | |
| TkTextTag *deftagPtrs[LOTSA_TAGS]; | |
| int *tagCnts; /* 0 or 1 depending if the tag with that | |
| * priority is on or off. */ | |
| TkTextTag **tagPtrs; /* Only filled with a tagPtr if the | |
| * corresponding tagCnt is 1. */ | |
| } TkTextElideInfo; | |
| /* | |
| * The constant below is used to specify a line when what is really wanted is | |
| * the entire text. For now, just use a very big number. | |
| */ | |
| /* | |
| * The following definition specifies the maximum number of characters needed | |
| * in a string to hold a position specifier. | |
| */ | |
| /* | |
| * Mask used for those options which may impact the pixel height calculations | |
| * of individual lines displayed in the widget. | |
| */ | |
| /* | |
| * Mask used for those options which may impact the start and end lines used | |
| * in the widget. | |
| */ | |
| /* | |
| * Used as 'action' values in calls to TkTextInvalidateLineMetrics | |
| */ | |
| /* | |
| * Used as special 'pickPlace' values in calls to TkTextSetYView. Zero or | |
| * positive values indicate a number of pixels. | |
| */ | |
| /* | |
| * Declarations for variables shared among the text-related files: | |
| */ | |
| MODULE_SCOPE int tkBTreeDebug; | |
| MODULE_SCOPE int tkTextDebug; | |
| MODULE_SCOPE const Tk_SegType tkTextCharType; | |
| MODULE_SCOPE const Tk_SegType tkTextLeftMarkType; | |
| MODULE_SCOPE const Tk_SegType tkTextRightMarkType; | |
| MODULE_SCOPE const Tk_SegType tkTextToggleOnType; | |
| MODULE_SCOPE const Tk_SegType tkTextToggleOffType; | |
| MODULE_SCOPE const Tk_SegType tkTextEmbWindowType; | |
| MODULE_SCOPE const Tk_SegType tkTextEmbImageType; | |
| /* | |
| * Convenience macros for use by B-tree clients which want to access pixel | |
| * information on each line. Currently only used by TkTextDisp.c | |
| */ | |
| /* | |
| * Declarations for procedures that are used by the text-related files but | |
| * shouldn't be used anywhere else in Tk (or by Tk clients): | |
| */ | |
| MODULE_SCOPE int TkBTreeAdjustPixelHeight(const TkText *textPtr, | |
| TkTextLine *linePtr, int newPixelHeight, | |
| int mergedLogicalLines); | |
| MODULE_SCOPE int TkBTreeCharTagged(const TkTextIndex *indexPtr, | |
| TkTextTag *tagPtr); | |
| MODULE_SCOPE void TkBTreeCheck(TkTextBTree tree); | |
| MODULE_SCOPE TkTextBTree TkBTreeCreate(TkSharedText *sharedTextPtr); | |
| MODULE_SCOPE void TkBTreeAddClient(TkTextBTree tree, TkText *textPtr, | |
| int defaultHeight); | |
| MODULE_SCOPE void TkBTreeClientRangeChanged(TkText *textPtr, | |
| int defaultHeight); | |
| MODULE_SCOPE void TkBTreeRemoveClient(TkTextBTree tree, | |
| TkText *textPtr); | |
| MODULE_SCOPE void TkBTreeDestroy(TkTextBTree tree); | |
| MODULE_SCOPE void TkBTreeDeleteIndexRange(TkTextBTree tree, | |
| TkTextIndex *index1Ptr, TkTextIndex *index2Ptr); | |
| MODULE_SCOPE int TkBTreeEpoch(TkTextBTree tree); | |
| MODULE_SCOPE TkTextLine *TkBTreeFindLine(TkTextBTree tree, | |
| const TkText *textPtr, int line); | |
| MODULE_SCOPE TkTextLine *TkBTreeFindPixelLine(TkTextBTree tree, | |
| const TkText *textPtr, int pixels, | |
| int *pixelOffset); | |
| MODULE_SCOPE TkTextTag **TkBTreeGetTags(const TkTextIndex *indexPtr, | |
| const TkText *textPtr, int *numTagsPtr); | |
| MODULE_SCOPE void TkBTreeInsertChars(TkTextBTree tree, | |
| TkTextIndex *indexPtr, const char *string); | |
| MODULE_SCOPE int TkBTreeLinesTo(const TkText *textPtr, | |
| TkTextLine *linePtr); | |
| MODULE_SCOPE int TkBTreePixelsTo(const TkText *textPtr, | |
| TkTextLine *linePtr); | |
| MODULE_SCOPE void TkBTreeLinkSegment(TkTextSegment *segPtr, | |
| TkTextIndex *indexPtr); | |
| MODULE_SCOPE TkTextLine *TkBTreeNextLine(const TkText *textPtr, | |
| TkTextLine *linePtr); | |
| MODULE_SCOPE int TkBTreeNextTag(TkTextSearch *searchPtr); | |
| MODULE_SCOPE int TkBTreeNumPixels(TkTextBTree tree, | |
| const TkText *textPtr); | |
| MODULE_SCOPE TkTextLine *TkBTreePreviousLine(TkText *textPtr, | |
| TkTextLine *linePtr); | |
| MODULE_SCOPE int TkBTreePrevTag(TkTextSearch *searchPtr); | |
| MODULE_SCOPE void TkBTreeStartSearch(TkTextIndex *index1Ptr, | |
| TkTextIndex *index2Ptr, TkTextTag *tagPtr, | |
| TkTextSearch *searchPtr); | |
| MODULE_SCOPE void TkBTreeStartSearchBack(TkTextIndex *index1Ptr, | |
| TkTextIndex *index2Ptr, TkTextTag *tagPtr, | |
| TkTextSearch *searchPtr); | |
| MODULE_SCOPE int TkBTreeTag(TkTextIndex *index1Ptr, | |
| TkTextIndex *index2Ptr, TkTextTag *tagPtr, | |
| int add); | |
| MODULE_SCOPE void TkBTreeUnlinkSegment(TkTextSegment *segPtr, | |
| TkTextLine *linePtr); | |
| MODULE_SCOPE void TkTextBindProc(ClientData clientData, | |
| XEvent *eventPtr); | |
| MODULE_SCOPE void TkTextSelectionEvent(TkText *textPtr); | |
| MODULE_SCOPE int TkTextIndexBbox(TkText *textPtr, | |
| const TkTextIndex *indexPtr, int *xPtr, int *yPtr, | |
| int *widthPtr, int *heightPtr, int *charWidthPtr); | |
| MODULE_SCOPE int TkTextCharLayoutProc(TkText *textPtr, | |
| TkTextIndex *indexPtr, TkTextSegment *segPtr, | |
| int offset, int maxX, int maxChars, int noBreakYet, | |
| TkWrapMode wrapMode, TkTextDispChunk *chunkPtr); | |
| MODULE_SCOPE void TkTextCreateDInfo(TkText *textPtr); | |
| MODULE_SCOPE int TkTextDLineInfo(TkText *textPtr, | |
| const TkTextIndex *indexPtr, int *xPtr, int *yPtr, | |
| int *widthPtr, int *heightPtr, int *basePtr); | |
| MODULE_SCOPE void TkTextEmbWinDisplayProc(TkText *textPtr, | |
| TkTextDispChunk *chunkPtr, int x, int y, | |
| int lineHeight, int baseline, Display *display, | |
| Drawable dst, int screenY); | |
| MODULE_SCOPE TkTextTag *TkTextCreateTag(TkText *textPtr, | |
| const char *tagName, int *newTag); | |
| MODULE_SCOPE void TkTextFreeDInfo(TkText *textPtr); | |
| MODULE_SCOPE void TkTextDeleteTag(TkText *textPtr, TkTextTag *tagPtr); | |
| MODULE_SCOPE void TkTextFreeTag(TkText *textPtr, TkTextTag *tagPtr); | |
| MODULE_SCOPE int TkTextGetObjIndex(Tcl_Interp *interp, TkText *textPtr, | |
| Tcl_Obj *idxPtr, TkTextIndex *indexPtr); | |
| MODULE_SCOPE int TkTextSharedGetObjIndex(Tcl_Interp *interp, | |
| TkSharedText *sharedTextPtr, Tcl_Obj *idxPtr, | |
| TkTextIndex *indexPtr); | |
| MODULE_SCOPE const TkTextIndex *TkTextGetIndexFromObj(Tcl_Interp *interp, | |
| TkText *textPtr, Tcl_Obj *objPtr); | |
| MODULE_SCOPE TkTextTabArray *TkTextGetTabs(Tcl_Interp *interp, | |
| TkText *textPtr, Tcl_Obj *stringPtr); | |
| MODULE_SCOPE void TkTextFindDisplayLineEnd(TkText *textPtr, | |
| TkTextIndex *indexPtr, int end, int *xOffset); | |
| MODULE_SCOPE void TkTextIndexBackChars(const TkText *textPtr, | |
| const TkTextIndex *srcPtr, int count, | |
| TkTextIndex *dstPtr, TkTextCountType type); | |
| MODULE_SCOPE int TkTextIndexCmp(const TkTextIndex *index1Ptr, | |
| const TkTextIndex *index2Ptr); | |
| MODULE_SCOPE int TkTextIndexCountBytes(const TkText *textPtr, | |
| const TkTextIndex *index1Ptr, | |
| const TkTextIndex *index2Ptr); | |
| MODULE_SCOPE int TkTextIndexCount(const TkText *textPtr, | |
| const TkTextIndex *index1Ptr, | |
| const TkTextIndex *index2Ptr, | |
| TkTextCountType type); | |
| MODULE_SCOPE void TkTextIndexForwChars(const TkText *textPtr, | |
| const TkTextIndex *srcPtr, int count, | |
| TkTextIndex *dstPtr, TkTextCountType type); | |
| MODULE_SCOPE void TkTextIndexOfX(TkText *textPtr, int x, | |
| TkTextIndex *indexPtr); | |
| MODULE_SCOPE int TkTextIndexYPixels(TkText *textPtr, | |
| const TkTextIndex *indexPtr); | |
| MODULE_SCOPE TkTextSegment *TkTextIndexToSeg(const TkTextIndex *indexPtr, | |
| int *offsetPtr); | |
| MODULE_SCOPE void TkTextLostSelection(ClientData clientData); | |
| MODULE_SCOPE TkTextIndex *TkTextMakeCharIndex(TkTextBTree tree, TkText *textPtr, | |
| int lineIndex, int charIndex, | |
| TkTextIndex *indexPtr); | |
| MODULE_SCOPE int TkTextMeasureDown(TkText *textPtr, | |
| TkTextIndex *srcPtr, int distance); | |
| MODULE_SCOPE void TkTextFreeElideInfo(TkTextElideInfo *infoPtr); | |
| MODULE_SCOPE int TkTextIsElided(const TkText *textPtr, | |
| const TkTextIndex *indexPtr, | |
| TkTextElideInfo *infoPtr); | |
| MODULE_SCOPE int TkTextMakePixelIndex(TkText *textPtr, | |
| int pixelIndex, TkTextIndex *indexPtr); | |
| MODULE_SCOPE void TkTextInvalidateLineMetrics( | |
| TkSharedText *sharedTextPtr, TkText *textPtr, | |
| TkTextLine *linePtr, int lineCount, int action); | |
| MODULE_SCOPE int TkTextUpdateLineMetrics(TkText *textPtr, int lineNum, | |
| int endLine, int doThisMuch); | |
| MODULE_SCOPE int TkTextUpdateOneLine(TkText *textPtr, | |
| TkTextLine *linePtr, int pixelHeight, | |
| TkTextIndex *indexPtr, int partialCalc); | |
| MODULE_SCOPE int TkTextMarkCmd(TkText *textPtr, Tcl_Interp *interp, | |
| int objc, Tcl_Obj *const objv[]); | |
| MODULE_SCOPE int TkTextMarkNameToIndex(TkText *textPtr, | |
| const char *name, TkTextIndex *indexPtr); | |
| MODULE_SCOPE void TkTextMarkSegToIndex(TkText *textPtr, | |
| TkTextSegment *markPtr, TkTextIndex *indexPtr); | |
| MODULE_SCOPE void TkTextEventuallyRepick(TkText *textPtr); | |
| MODULE_SCOPE Bool TkTextPendingsync(TkText *textPtr); | |
| MODULE_SCOPE void TkTextPickCurrent(TkText *textPtr, XEvent *eventPtr); | |
| MODULE_SCOPE void TkTextPixelIndex(TkText *textPtr, int x, int y, | |
| TkTextIndex *indexPtr, int *nearest); | |
| MODULE_SCOPE Tcl_Obj * TkTextNewIndexObj(TkText *textPtr, | |
| const TkTextIndex *indexPtr); | |
| MODULE_SCOPE void TkTextRedrawRegion(TkText *textPtr, int x, int y, | |
| int width, int height); | |
| MODULE_SCOPE void TkTextRedrawTag(TkSharedText *sharedTextPtr, | |
| TkText *textPtr, TkTextIndex *index1Ptr, | |
| TkTextIndex *index2Ptr, TkTextTag *tagPtr, | |
| int withTag); | |
| MODULE_SCOPE void TkTextRelayoutWindow(TkText *textPtr, int mask); | |
| MODULE_SCOPE int TkTextScanCmd(TkText *textPtr, Tcl_Interp *interp, | |
| int objc, Tcl_Obj *const objv[]); | |
| MODULE_SCOPE int TkTextSeeCmd(TkText *textPtr, Tcl_Interp *interp, | |
| int objc, Tcl_Obj *const objv[]); | |
| MODULE_SCOPE int TkTextSegToOffset(const TkTextSegment *segPtr, | |
| const TkTextLine *linePtr); | |
| MODULE_SCOPE void TkTextSetYView(TkText *textPtr, | |
| TkTextIndex *indexPtr, int pickPlace); | |
| MODULE_SCOPE int TkTextTagCmd(TkText *textPtr, Tcl_Interp *interp, | |
| int objc, Tcl_Obj *const objv[]); | |
| MODULE_SCOPE int TkTextImageCmd(TkText *textPtr, Tcl_Interp *interp, | |
| int objc, Tcl_Obj *const objv[]); | |
| MODULE_SCOPE int TkTextImageIndex(TkText *textPtr, | |
| const char *name, TkTextIndex *indexPtr); | |
| MODULE_SCOPE int TkTextWindowCmd(TkText *textPtr, Tcl_Interp *interp, | |
| int objc, Tcl_Obj *const objv[]); | |
| MODULE_SCOPE int TkTextWindowIndex(TkText *textPtr, const char *name, | |
| TkTextIndex *indexPtr); | |
| MODULE_SCOPE int TkTextYviewCmd(TkText *textPtr, Tcl_Interp *interp, | |
| int objc, Tcl_Obj *const objv[]); | |
| MODULE_SCOPE void TkTextWinFreeClient(Tcl_HashEntry *hPtr, | |
| TkTextEmbWindowClient *client); | |
| MODULE_SCOPE void TkTextRunAfterSyncCmd(ClientData clientData); | |
| MODULE_SCOPE int TkTextIndexAdjustToStartEnd(TkText *textPtr, | |
| TkTextIndex *indexPtr, int err); | |
| /* | |
| * Local Variables: | |
| * mode: c | |
| * c-basic-offset: 4 | |
| * fill-column: 78 | |
| * End: | |
| */ | |