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Text File | 2004-06-01 | 71.0 KB | 1,860 lines

/* * tk.h -- * * Declarations for Tk-related things that are visible * outside of the Tk module itself. * * Copyright (c) 1989-1994 The Regents of the University of California. * Copyright (c) 1994 The Australian National University. * Copyright (c) 1994-1998 Sun Microsystems, Inc. * Copyright (c) 1998-2000 Ajuba Solutions. * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * * RCS: @(#) $Id: tk.h,v 1.74.2.3 2003/10/03 16:32:39 dgp Exp $ */ #ifndef _TK #define _TK /* * For C++ compilers, use extern "C" */ #ifdef __cplusplus extern "C" { #endif /* * When version numbers change here, you must also go into the following files * and update the version numbers: * * library/tk.tcl (only if Major.minor changes, not patchlevel) * unix/configure.in (2 LOC Major, 2 LOC minor, 1 LOC patch) * win/configure.in (as above) * win/makefile.vc (not patchlevel) * README (sections 0 and 1) * mac/README (not patchlevel) * macosx/Wish.pbproj/project.pbxproj * (14 LOC total, 4 LOC patch) * win/README (not patchlevel) * unix/README (not patchlevel) * unix/tk.spec (3 LOC Major/Minor, 2 LOC patch) * win/tcl.m4 (not patchlevel) * * You may also need to update some of these files when the numbers change * for the version of Tcl that this release of Tk is compiled against. */ #define TK_MAJOR_VERSION 8 #define TK_MINOR_VERSION 4 #define TK_RELEASE_LEVEL TCL_FINAL_RELEASE #define TK_RELEASE_SERIAL 5 #define TK_VERSION "8.4" #define TK_PATCH_LEVEL "8.4.5" /* * The following definitions set up the proper options for Macintosh * compilers. We use this method because there is no autoconf equivalent. */ #if defined(MAC_TCL) || defined(MAC_OSX_TK) # ifndef REDO_KEYSYM_LOOKUP # define REDO_KEYSYM_LOOKUP # endif #endif /* * A special definition used to allow this header file to be included * from windows or mac resource files so that they can obtain version * information. RC_INVOKED is defined by default by the windows RC tool * and manually set for macintosh. * * Resource compilers don't like all the C stuff, like typedefs and * procedure declarations, that occur below, so block them out. */ #ifdef RC_INVOKED #include "Lang.h" #endif #ifndef RC_INVOKED #ifndef _TKPORT #include "tkPort.h" #endif #ifndef _XLIB_H # if defined (MAC_TCL) # include <Xlib.h> # include <X.h> # elif defined(MAC_OSX_TK) # include <X11/Xlib.h> # include <X11/X.h> # else # include <X11/Xlib.h> # endif #if !defined(_XLIB_H) #define _XLIB_H #endif #endif #ifdef __STDC__ # include <stddef.h> #endif #ifdef BUILD_tk # undef TCL_STORAGE_CLASS # define TCL_STORAGE_CLASS DLLEXPORT #endif /* * Decide whether or not to use input methods. */ #ifdef XNQueryInputStyle #define TK_USE_INPUT_METHODS #endif /* * Dummy types that are used by clients: */ typedef struct Tk_BindingTable_ *Tk_BindingTable; typedef struct Tk_Canvas_ *Tk_Canvas; typedef struct Tk_Cursor_ *Tk_Cursor; typedef struct Tk_ErrorHandler_ *Tk_ErrorHandler; typedef struct Tk_Font_ *Tk_Font; typedef struct Tk_Image__ *Tk_Image; typedef struct Tk_ImageMaster_ *Tk_ImageMaster; typedef struct Tk_OptionTable_ *Tk_OptionTable; typedef struct Tk_PostscriptInfo_ *Tk_PostscriptInfo; typedef struct Tk_TextLayout_ *Tk_TextLayout; typedef struct Tk_Window_ *Tk_Window; typedef struct Tk_3DBorder_ *Tk_3DBorder; typedef struct Tk_Style_ *Tk_Style; typedef struct Tk_StyleEngine_ *Tk_StyleEngine; typedef struct Tk_StyledElement_ *Tk_StyledElement; /* * Additional types exported to clients. */ typedef CONST char *Tk_Uid; /* * The enum below defines the valid types for Tk configuration options * as implemented by Tk_InitOptions, Tk_SetOptions, etc. */ typedef enum { TK_OPTION_BOOLEAN, TK_OPTION_INT, TK_OPTION_DOUBLE, TK_OPTION_STRING, TK_OPTION_STRING_TABLE, TK_OPTION_COLOR, TK_OPTION_FONT, TK_OPTION_BITMAP, TK_OPTION_BORDER, TK_OPTION_RELIEF, TK_OPTION_CURSOR, TK_OPTION_JUSTIFY, TK_OPTION_ANCHOR, TK_OPTION_SYNONYM, TK_OPTION_PIXELS, TK_OPTION_WINDOW, TK_OPTION_END, TK_OPTION_CUSTOM, TK_OPTION_STYLE, TK_OPTION_OBJ, TK_OPTION_CALLBACK, TK_OPTION_SCALARVAR, TK_OPTION_HASHVAR, TK_OPTION_ARRAYVAR } Tk_OptionType; /* * Structures of the following type are used by widgets to specify * their configuration options. Typically each widget has a static * array of these structures, where each element of the array describes * a single configuration option. The array is passed to * Tk_CreateOptionTable. */ typedef struct Tk_OptionSpec { Tk_OptionType type; /* Type of option, such as TK_OPTION_COLOR; * see definitions above. Last option in * table must have type TK_OPTION_END. */ char *optionName; /* Name used to specify option in Tcl * commands. */ char *dbName; /* Name for option in option database. */ char *dbClass; /* Class for option in database. */ char *defValue; /* Default value for option if not specified * in command line, the option database, * or the system. */ int objOffset; /* Where in record to store a Tcl_Obj * that * holds the value of this option, specified * as an offset in bytes from the start of * the record. Use the Tk_Offset macro to * generate values for this. -1 means don't * store the Tcl_Obj in the record. */ int internalOffset; /* Where in record to store the internal * representation of the value of this option, * such as an int or XColor *. This field * is specified as an offset in bytes * from the start of the record. Use the * Tk_Offset macro to generate values for it. * -1 means don't store the internal * representation in the record. */ int flags; /* Any combination of the values defined * below. */ ClientData clientData; /* An alternate place to put option-specific * data. Used for the monochrome default value * for colors, etc. */ int typeMask; /* An arbitrary bit mask defined by the * class manager; typically bits correspond * to certain kinds of options such as all * those that require a redisplay when they * change. Tk_SetOptions returns the bit-wise * OR of the typeMasks of all options that * were changed. */ } Tk_OptionSpec; /* * Flag values for Tk_OptionSpec structures. These flags are shared by * Tk_ConfigSpec structures, so be sure to coordinate any changes * carefully. */ #define TK_OPTION_NULL_OK (1 << 0) #define TK_OPTION_DONT_SET_DEFAULT (1 << 3) /* * The following structure and function types are used by TK_OPTION_CUSTOM * options; the structure holds pointers to the functions needed by the Tk * option config code to handle a custom option. */ typedef int (Tk_CustomOptionSetProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, Tk_Window tkwin, Tcl_Obj **value, char *widgRec, int offset, char *saveInternalPtr, int flags)); typedef Tcl_Obj *(Tk_CustomOptionGetProc) _ANSI_ARGS_((ClientData clientData, Tk_Window tkwin, char *widgRec, int offset)); typedef void (Tk_CustomOptionRestoreProc) _ANSI_ARGS_((ClientData clientData, Tk_Window tkwin, char *internalPtr, char *saveInternalPtr)); typedef void (Tk_CustomOptionFreeProc) _ANSI_ARGS_((ClientData clientData, Tk_Window tkwin, char *internalPtr)); typedef struct Tk_ObjCustomOption { char *name; /* Name of the custom option. */ Tk_CustomOptionSetProc *setProc; /* Function to use to set a record's * option value from a Tcl_Obj */ Tk_CustomOptionGetProc *getProc; /* Function to use to get a Tcl_Obj * representation from an internal * representation of an option. */ Tk_CustomOptionRestoreProc *restoreProc; /* Function to use to restore a * saved value for the internal * representation. */ Tk_CustomOptionFreeProc *freeProc; /* Function to use to free the internal * representation of an option. */ ClientData clientData; /* Arbitrary one-word value passed to * the handling procs. */ } Tk_ObjCustomOption; /* * Macro to use to fill in "offset" fields of the Tk_OptionSpec. * struct. Computes number of bytes from beginning of structure * to a given field. */ #ifdef offsetof #define Tk_Offset(type, field) ((int) offsetof(type, field)) #else #define Tk_Offset(type, field) ((int) ((char *) &((type *) 0)->field)) #endif /* * The following two structures are used for error handling. When * configuration options are being modified, the old values are * saved in a Tk_SavedOptions structure. If an error occurs, then the * contents of the structure can be used to restore all of the old * values. The contents of this structure are for the private use * Tk. No-one outside Tk should ever read or write any of the fields * of these structures. */ typedef struct Tk_SavedOption { struct TkOption *optionPtr; /* Points to information that describes * the option. */ Tcl_Obj *valuePtr; /* The old value of the option, in * the form of a Tcl object; may be * NULL if the value wasn't saved as * an object. */ double internalForm; /* The old value of the option, in * some internal representation such * as an int or (XColor *). Valid * only if optionPtr->specPtr->objOffset * is < 0. The space must be large * enough to accommodate a double, a * long, or a pointer; right now it * looks like a double is big * enough. Also, using a double * guarantees that the field is * properly aligned for storing large * values. */ } Tk_SavedOption; #ifdef TCL_MEM_DEBUG # define TK_NUM_SAVED_OPTIONS 2 #else # define TK_NUM_SAVED_OPTIONS 20 #endif typedef struct Tk_SavedOptions { char *recordPtr; /* The data structure in which to * restore configuration options. */ Tk_Window tkwin; /* Window associated with recordPtr; * needed to restore certain options. */ int numItems; /* The number of valid items in * items field. */ Tk_SavedOption items[TK_NUM_SAVED_OPTIONS]; /* Items used to hold old values. */ struct Tk_SavedOptions *nextPtr; /* Points to next structure in list; * needed if too many options changed * to hold all the old values in a * single structure. NULL means no * more structures. */ } Tk_SavedOptions; /* * Structure used to describe application-specific configuration * options: indicates procedures to call to parse an option and * to return a text string describing an option. THESE ARE * DEPRECATED; PLEASE USE THE NEW STRUCTURES LISTED ABOVE. */ /* * This is a temporary flag used while tkObjConfig and new widgets * are in development. */ #ifndef __NO_OLD_CONFIG typedef int (Tk_OptionParseProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, Tk_Window tkwin, Tcl_Obj *value, char *widgRec, int offset)); typedef Tcl_Obj *(Tk_OptionPrintProc) _ANSI_ARGS_((ClientData clientData, Tk_Window tkwin, char *widgRec, int offset, Tcl_FreeProc **freeProcPtr)); typedef struct Tk_CustomOption { Tk_OptionParseProc *parseProc; /* Procedure to call to parse an * option and store it in converted * form. */ Tk_OptionPrintProc *printProc; /* Procedure to return a printable * string describing an existing * option. */ ClientData clientData; /* Arbitrary one-word value used by * option parser: passed to * parseProc and printProc. */ } Tk_CustomOption; /* * Structure used to specify information for Tk_ConfigureWidget. Each * structure gives complete information for one option, including * how the option is specified on the command line, where it appears * in the option database, etc. */ typedef struct Tk_ConfigSpec { int type; /* Type of option, such as TK_CONFIG_COLOR; * see definitions below. Last option in * table must have type TK_CONFIG_END. */ char *argvName; /* Switch used to specify option in objv. * NULL means this spec is part of a group. */ Tk_Uid dbName; /* Name for option in option database. */ Tk_Uid dbClass; /* Class for option in database. */ Tk_Uid defValue; /* Default value for option if not * specified in command line or database. */ int offset; /* Where in widget record to store value; * use Tk_Offset macro to generate values * for this. */ int specFlags; /* Any combination of the values defined * below; other bits are used internally * by tkConfig.c. */ Tk_CustomOption *customPtr; /* If type is TK_CONFIG_CUSTOM then this is * a pointer to info about how to parse and * print the option. Otherwise it is * irrelevant. */ } Tk_ConfigSpec; /* * Type values for Tk_ConfigSpec structures. See the user * documentation for details. */ /* * Macro to use to fill in "offset" fields of Tk_ConfigInfos. * Computes number of bytes from beginning of structure to a * given field. */ #ifdef offsetof #define Tk_Offset(type, field) ((int) offsetof(type, field)) #else #define Tk_Offset(type, field) ((int) ((char *) &((type *) 0)->field)) #endif typedef enum { TK_CONFIG_BOOLEAN, TK_CONFIG_INT, TK_CONFIG_DOUBLE, TK_CONFIG_STRING, TK_CONFIG_UID, TK_CONFIG_COLOR, TK_CONFIG_FONT, TK_CONFIG_BITMAP, TK_CONFIG_BORDER, TK_CONFIG_RELIEF, TK_CONFIG_CURSOR, TK_CONFIG_ACTIVE_CURSOR, TK_CONFIG_JUSTIFY, TK_CONFIG_ANCHOR, TK_CONFIG_SYNONYM, TK_CONFIG_CAP_STYLE, TK_CONFIG_JOIN_STYLE, TK_CONFIG_PIXELS, TK_CONFIG_MM, TK_CONFIG_WINDOW, TK_CONFIG_CUSTOM, TK_CONFIG_CALLBACK, TK_CONFIG_LANGARG, TK_CONFIG_SCALARVAR, TK_CONFIG_HASHVAR, TK_CONFIG_ARRAYVAR, TK_CONFIG_OBJECT, TK_CONFIG_END } Tk_ConfigTypes; /* * Possible values for flags argument to Tk_ConfigureWidget: */ #define TK_CONFIG_ARGV_ONLY 1 #define TK_CONFIG_OBJS 0x80 /* * Possible flag values for Tk_ConfigSpec structures. Any bits at * or above TK_CONFIG_USER_BIT may be used by clients for selecting * certain entries. Before changing any values here, coordinate with * tkOldConfig.c (internal-use-only flags are defined there). */ #define TK_CONFIG_NULL_OK (1 << 0) #define TK_CONFIG_COLOR_ONLY (1 << 1) #define TK_CONFIG_MONO_ONLY (1 << 2) #define TK_CONFIG_DONT_SET_DEFAULT (1 << 3) #define TK_CONFIG_OPTION_SPECIFIED (1 << 4) #define TK_CONFIG_USER_BIT 0x100 #endif /* __NO_OLD_CONFIG */ /* * Structure used to specify how to handle argv options. */ typedef struct { char *key; /* The key string that flags the option in the * objv array. */ int type; /* Indicates option type; see below. */ char *src; /* Value to be used in setting dst; usage * depends on type. */ char *dst; /* Address of value to be modified; usage * depends on type. */ char *help; /* Documentation message describing this option. */ } Tk_ArgvInfo; /* * Legal values for the type field of a Tk_ArgvInfo: see the user * documentation for details. */ #define TK_ARGV_CONSTANT 15 #define TK_ARGV_INT 16 #define TK_ARGV_STRING 17 #define TK_ARGV_UID 18 #define TK_ARGV_REST 19 #define TK_ARGV_FLOAT 20 #define TK_ARGV_FUNC 21 #define TK_ARGV_GENFUNC 22 #define TK_ARGV_HELP 23 #define TK_ARGV_CONST_OPTION 24 #define TK_ARGV_OPTION_VALUE 25 #define TK_ARGV_OPTION_NAME_VALUE 26 #define TK_ARGV_END 27 /* * Flag bits for passing to Tk_ParseArgv: */ #define TK_ARGV_NO_DEFAULTS 0x1 #define TK_ARGV_NO_LEFTOVERS 0x2 #define TK_ARGV_NO_ABBREV 0x4 #define TK_ARGV_DONT_SKIP_FIRST_ARG 0x8 /* * Enumerated type for describing actions to be taken in response * to a restrictProc established by Tk_RestrictEvents. */ typedef enum { TK_DEFER_EVENT, TK_PROCESS_EVENT, TK_DISCARD_EVENT } Tk_RestrictAction; /* * Priority levels to pass to Tk_AddOption: */ #define TK_WIDGET_DEFAULT_PRIO 20 #define TK_STARTUP_FILE_PRIO 40 #define TK_USER_DEFAULT_PRIO 60 #define TK_INTERACTIVE_PRIO 80 #define TK_MAX_PRIO 100 /* * Relief values returned by Tk_GetRelief: */ #define TK_RELIEF_NULL -1 #define TK_RELIEF_FLAT 0 #define TK_RELIEF_GROOVE 1 #define TK_RELIEF_RAISED 2 #define TK_RELIEF_RIDGE 3 #define TK_RELIEF_SOLID 4 #define TK_RELIEF_SUNKEN 5 /* * "Which" argument values for Tk_3DBorderGC: */ #define TK_3D_FLAT_GC 1 #define TK_3D_LIGHT_GC 2 #define TK_3D_DARK_GC 3 /* * Special EnterNotify/LeaveNotify "mode" for use in events * generated by tkShare.c. Pick a high enough value that it's * unlikely to conflict with existing values (like NotifyNormal) * or any new values defined in the future. */ #define TK_NOTIFY_SHARE 20 /* * Enumerated type for describing a point by which to anchor something: */ typedef enum { TK_ANCHOR_N, TK_ANCHOR_NE, TK_ANCHOR_E, TK_ANCHOR_SE, TK_ANCHOR_S, TK_ANCHOR_SW, TK_ANCHOR_W, TK_ANCHOR_NW, TK_ANCHOR_CENTER } Tk_Anchor; /* * Enumerated type for describing a style of justification: */ typedef enum { TK_JUSTIFY_LEFT, TK_JUSTIFY_RIGHT, TK_JUSTIFY_CENTER } Tk_Justify; /* * The following structure is used by Tk_GetFontMetrics() to return * information about the properties of a Tk_Font. */ typedef struct Tk_FontMetrics { int ascent; /* The amount in pixels that the tallest * letter sticks up above the baseline, plus * any extra blank space added by the designer * of the font. */ int descent; /* The largest amount in pixels that any * letter sticks below the baseline, plus any * extra blank space added by the designer of * the font. */ int linespace; /* The sum of the ascent and descent. How * far apart two lines of text in the same * font should be placed so that none of the * characters in one line overlap any of the * characters in the other line. */ } Tk_FontMetrics; /* * Flags passed to Tk_MeasureChars: */ #define TK_WHOLE_WORDS 1 #define TK_AT_LEAST_ONE 2 #define TK_PARTIAL_OK 4 /* * Flags passed to Tk_ComputeTextLayout: */ #define TK_IGNORE_TABS 8 #define TK_IGNORE_NEWLINES 16 /* * Widget class procedures used to implement platform specific widget * behavior. */ typedef Window (Tk_ClassCreateProc) _ANSI_ARGS_((Tk_Window tkwin, Window parent, ClientData instanceData)); typedef void (Tk_ClassWorldChangedProc) _ANSI_ARGS_((ClientData instanceData)); typedef void (Tk_ClassModalProc) _ANSI_ARGS_((Tk_Window tkwin, XEvent *eventPtr)); typedef struct Tk_ClassProcs { unsigned int size; Tk_ClassWorldChangedProc *worldChangedProc; /* Procedure to invoke when the widget needs to * respond in some way to a change in the * world (font changes, etc.) */ Tk_ClassCreateProc *createProc; /* Procedure to invoke when the * platform-dependent window needs to be * created. */ Tk_ClassModalProc *modalProc; /* Procedure to invoke after all bindings on a * widget have been triggered in order to * handle a modal loop. */ } Tk_ClassProcs; /* * Simple accessor for Tk_ClassProcs structure. Checks that the structure * is not NULL, then checks the size field and returns either the requested * field, if present, or NULL if the structure is too small to have the field * (or NULL if the structure is NULL). * * A more general version of this function may be useful if other * size-versioned structure pop up in the future: * * #define Tk_GetField(name, who, which) \ * (((who) == NULL) ? NULL : * (((who)->size <= Tk_Offset(name, which)) ? NULL :(name)->which)) */ #define Tk_GetClassProc(procs, which) \ (((procs) == NULL) ? NULL : \ (((procs)->size <= Tk_Offset(Tk_ClassProcs, which)) ? NULL:(procs)->which)) /* * Each geometry manager (the packer, the placer, etc.) is represented * by a structure of the following form, which indicates procedures * to invoke in the geometry manager to carry out certain functions. */ typedef void (Tk_GeomRequestProc) _ANSI_ARGS_((ClientData clientData, Tk_Window tkwin)); typedef void (Tk_GeomLostSlaveProc) _ANSI_ARGS_((ClientData clientData, Tk_Window tkwin)); typedef struct Tk_GeomMgr { char *name; /* Name of the geometry manager (command * used to invoke it, or name of widget * class that allows embedded widgets). */ Tk_GeomRequestProc *requestProc; /* Procedure to invoke when a slave's * requested geometry changes. */ Tk_GeomLostSlaveProc *lostSlaveProc; /* Procedure to invoke when a slave is * taken away from one geometry manager * by another. NULL means geometry manager * doesn't care when slaves are lost. */ } Tk_GeomMgr; /* * Result values returned by Tk_GetScrollInfo: */ #define TK_SCROLL_MOVETO 1 #define TK_SCROLL_PAGES 2 #define TK_SCROLL_UNITS 3 #define TK_SCROLL_ERROR 4 /* *--------------------------------------------------------------------------- * * Extensions to the X event set * *--------------------------------------------------------------------------- */ #define VirtualEvent (LASTEvent) #define ActivateNotify (LASTEvent + 1) #define DeactivateNotify (LASTEvent + 2) #define MouseWheelEvent (LASTEvent + 3) #define TK_LASTEVENT (LASTEvent + 4) #define MouseWheelMask (1L << 28) #define ActivateMask (1L << 29) #define VirtualEventMask (1L << 30) #define TK_LASTEVENT (LASTEvent + 4) /* * A virtual event shares most of its fields with the XKeyEvent and * XButtonEvent structures. 99% of the time a virtual event will be * an abstraction of a key or button event, so this structure provides * the most information to the user. The only difference is the changing * of the detail field for a virtual event so that it holds the name of the * virtual event being triggered. */ typedef struct { int type; unsigned long serial; /* # of last request processed by server */ Bool send_event; /* True if this came from a SendEvent request */ Display *display; /* Display the event was read from */ Window event; /* Window on which event was requested. */ Window root; /* root window that the event occured on */ Window subwindow; /* child window */ Time time; /* milliseconds */ int x, y; /* pointer x, y coordinates in event window */ int x_root, y_root; /* coordinates relative to root */ unsigned int state; /* key or button mask */ Tk_Uid name; /* Name of virtual event. */ Bool same_screen; /* same screen flag */ } XVirtualEvent; typedef struct { int type; unsigned long serial; /* # of last request processed by server */ Bool send_event; /* True if this came from a SendEvent request */ Display *display; /* Display the event was read from */ Window window; /* Window in which event occurred. */ } XActivateDeactivateEvent; typedef XActivateDeactivateEvent XActivateEvent; typedef XActivateDeactivateEvent XDeactivateEvent; /* *-------------------------------------------------------------- * * Macros for querying Tk_Window structures. See the * manual entries for documentation. * *-------------------------------------------------------------- */ #define Tk_Display(tkwin) (((Tk_FakeWin *) (tkwin))->display) #define Tk_ScreenNumber(tkwin) (((Tk_FakeWin *) (tkwin))->screenNum) #define Tk_Screen(tkwin) (ScreenOfDisplay(Tk_Display(tkwin), \ Tk_ScreenNumber(tkwin))) #define Tk_Depth(tkwin) (((Tk_FakeWin *) (tkwin))->depth) #define Tk_Visual(tkwin) (((Tk_FakeWin *) (tkwin))->visual) #define Tk_WindowId(tkwin) (((Tk_FakeWin *) (tkwin))->window) #define Tk_PathName(tkwin) (((Tk_FakeWin *) (tkwin))->pathName) #define Tk_Name(tkwin) (((Tk_FakeWin *) (tkwin))->nameUid) #define Tk_Class(tkwin) (((Tk_FakeWin *) (tkwin))->classUid) #define Tk_X(tkwin) (((Tk_FakeWin *) (tkwin))->changes.x) #define Tk_Y(tkwin) (((Tk_FakeWin *) (tkwin))->changes.y) #define Tk_Width(tkwin) (((Tk_FakeWin *) (tkwin))->changes.width) #define Tk_Height(tkwin) \ (((Tk_FakeWin *) (tkwin))->changes.height) #define Tk_Changes(tkwin) (&((Tk_FakeWin *) (tkwin))->changes) #define Tk_Attributes(tkwin) (&((Tk_FakeWin *) (tkwin))->atts) #define Tk_IsEmbedded(tkwin) \ (((Tk_FakeWin *) (tkwin))->flags & TK_EMBEDDED) #define Tk_IsContainer(tkwin) \ (((Tk_FakeWin *) (tkwin))->flags & TK_CONTAINER) #define Tk_IsMapped(tkwin) \ (((Tk_FakeWin *) (tkwin))->flags & TK_MAPPED) #define Tk_IsTopLevel(tkwin) \ (((Tk_FakeWin *) (tkwin))->flags & TK_TOP_LEVEL) #define Tk_HasWrapper(tkwin) \ (((Tk_FakeWin *) (tkwin))->flags & TK_HAS_WRAPPER) #define Tk_WinManaged(tkwin) \ (((Tk_FakeWin *) (tkwin))->flags & TK_WIN_MANAGED) #define Tk_TopWinHierarchy(tkwin) \ (((Tk_FakeWin *) (tkwin))->flags & TK_TOP_HIERARCHY) #define Tk_ReqWidth(tkwin) (((Tk_FakeWin *) (tkwin))->reqWidth) #define Tk_ReqHeight(tkwin) (((Tk_FakeWin *) (tkwin))->reqHeight) /* Tk_InternalBorderWidth is deprecated */ #define Tk_InternalBorderWidth(tkwin) \ (((Tk_FakeWin *) (tkwin))->internalBorderLeft) #define Tk_InternalBorderLeft(tkwin) \ (((Tk_FakeWin *) (tkwin))->internalBorderLeft) #define Tk_InternalBorderRight(tkwin) \ (((Tk_FakeWin *) (tkwin))->internalBorderRight) #define Tk_InternalBorderTop(tkwin) \ (((Tk_FakeWin *) (tkwin))->internalBorderTop) #define Tk_InternalBorderBottom(tkwin) \ (((Tk_FakeWin *) (tkwin))->internalBorderBottom) #define Tk_MinReqWidth(tkwin) (((Tk_FakeWin *) (tkwin))->minReqWidth) #define Tk_MinReqHeight(tkwin) (((Tk_FakeWin *) (tkwin))->minReqHeight) #define Tk_Parent(tkwin) (((Tk_FakeWin *) (tkwin))->parentPtr) #define Tk_Colormap(tkwin) (((Tk_FakeWin *) (tkwin))->atts.colormap) /* * The structure below is needed by the macros above so that they can * access the fields of a Tk_Window. The fields not needed by the macros * are declared as "dummyX". The structure has its own type in order to * prevent applications from accessing Tk_Window fields except using * official macros. WARNING!! The structure definition must be kept * consistent with the TkWindow structure in tkInt.h. If you change one, * then change the other. See the declaration in tkInt.h for * documentation on what the fields are used for internally. */ typedef struct Tk_FakeWin { Display *display; char *dummy1; /* dispPtr */ int screenNum; Visual *visual; int depth; Window window; char *dummy2; /* childList */ char *dummy3; /* lastChildPtr */ Tk_Window parentPtr; /* parentPtr */ char *dummy4; /* nextPtr */ char *dummy5; /* mainPtr */ char *pathName; Tk_Uid nameUid; Tk_Uid classUid; XWindowChanges changes; unsigned int dummy6; /* dirtyChanges */ XSetWindowAttributes atts; unsigned long dummy7; /* dirtyAtts */ unsigned int flags; char *dummy8; /* handlerList */ #ifdef TK_USE_INPUT_METHODS XIC dummy9; /* inputContext */ #endif /* TK_USE_INPUT_METHODS */ ClientData *dummy10; /* tagPtr */ int dummy11; /* numTags */ int dummy12; /* optionLevel */ char *dummy13; /* selHandlerList */ char *dummy14; /* geomMgrPtr */ ClientData dummy15; /* geomData */ int reqWidth, reqHeight; int internalBorderLeft; char *dummy16; /* wmInfoPtr */ char *dummy17; /* classProcPtr */ ClientData dummy18; /* instanceData */ char *dummy19; /* privatePtr */ int internalBorderRight; int internalBorderTop; int internalBorderBottom; int minReqWidth; int minReqHeight; } Tk_FakeWin; /* * Flag values for TkWindow (and Tk_FakeWin) structures are: * * TK_MAPPED: 1 means window is currently mapped, * 0 means unmapped. * TK_TOP_LEVEL: 1 means this is a top-level widget. * TK_ALREADY_DEAD: 1 means the window is in the process of * being destroyed already. * TK_NEED_CONFIG_NOTIFY: 1 means that the window has been reconfigured * before it was made to exist. At the time of * making it exist a ConfigureNotify event needs * to be generated. * TK_GRAB_FLAG: Used to manage grabs. See tkGrab.c for * details. * TK_CHECKED_IC: 1 means we've already tried to get an input * context for this window; if the ic field * is NULL it means that there isn't a context * for the field. * TK_DONT_DESTROY_WINDOW: 1 means that Tk_DestroyWindow should not * invoke XDestroyWindow to destroy this widget's * X window. The flag is set when the window * has already been destroyed elsewhere (e.g. * by another application) or when it will be * destroyed later (e.g. by destroying its * parent). * TK_WM_COLORMAP_WINDOW: 1 means that this window has at some time * appeared in the WM_COLORMAP_WINDOWS property * for its toplevel, so we have to remove it * from that property if the window is * deleted and the toplevel isn't. * TK_EMBEDDED: 1 means that this window (which must be a * toplevel) is not a free-standing window but * rather is embedded in some other application. * TK_CONTAINER: 1 means that this window is a container, and * that some other application (either in * this process or elsewhere) may be * embedding itself inside the window. * TK_BOTH_HALVES: 1 means that this window is used for * application embedding (either as * container or embedded application), and * both the containing and embedded halves * are associated with windows in this * particular process. * TK_DEFER_MODAL: 1 means that this window has deferred a modal * loop until all of the bindings for the current * event have been invoked. * TK_WRAPPER: 1 means that this window is the extra * wrapper window created around a toplevel * to hold the menubar under Unix. See * tkUnixWm.c for more information. * TK_REPARENTED: 1 means that this window has been reparented * so that as far as the window system is * concerned it isn't a child of its Tk * parent. Initially this is used only for * special Unix menubar windows. * TK_ANONYMOUS_WINDOW: 1 means that this window has no name, and is * thus not accessible from Tk. * TK_HAS_WRAPPER 1 means that this window has a wrapper window * TK_WIN_MANAGED 1 means that this window is a child of the * root window, and is managed by the window * manager. * TK_TOP_HIERARCHY 1 means this window is at the top of a * physical window hierarchy within this * process, i.e. the window's parent * either doesn't exist or is not owned by * this Tk application. * TK_PROP_PROPCHANGE 1 means that PropertyNotify events in * this window's children should propagate * up to this window. */ #define TK_MAPPED 1 #define TK_TOP_LEVEL 2 #define TK_ALREADY_DEAD 4 #define TK_NEED_CONFIG_NOTIFY 8 #define TK_GRAB_FLAG 0x10 #define TK_CHECKED_IC 0x20 #define TK_DONT_DESTROY_WINDOW 0x40 #define TK_WM_COLORMAP_WINDOW 0x80 #define TK_EMBEDDED 0x100 #define TK_CONTAINER 0x200 #define TK_BOTH_HALVES 0x400 #define TK_DEFER_MODAL 0x800 #define TK_WRAPPER 0x1000 #define TK_REPARENTED 0x2000 #define TK_ANONYMOUS_WINDOW 0x4000 #define TK_HAS_WRAPPER 0x8000 #define TK_WIN_MANAGED 0x10000 #define TK_TOP_HIERARCHY 0x20000 #define TK_PROP_PROPCHANGE 0x40000 /* *-------------------------------------------------------------- * * Procedure prototypes and structures used for defining new canvas * items: * *-------------------------------------------------------------- */ typedef enum { TK_STATE_NULL = -1, TK_STATE_ACTIVE, TK_STATE_DISABLED, TK_STATE_NORMAL, TK_STATE_HIDDEN } Tk_State; typedef struct Tk_SmoothMethod { char *name; int (*coordProc) _ANSI_ARGS_((Tk_Canvas canvas, double *pointPtr, int numPoints, int numSteps, XPoint xPoints[], double dblPoints[])); void (*postscriptProc) _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, double *coordPtr, int numPoints, int numSteps)); } Tk_SmoothMethod; /* * For each item in a canvas widget there exists one record with * the following structure. Each actual item is represented by * a record with the following stuff at its beginning, plus additional * type-specific stuff after that. */ #define TK_TAG_SPACE 3 typedef struct Tk_Item { int id; /* Unique identifier for this item * (also serves as first tag for * item). */ struct Tk_Item *nextPtr; /* Next in display list of all * items in this canvas. Later items * in list are drawn on top of earlier * ones. */ Tk_Uid staticTagSpace[TK_TAG_SPACE];/* Built-in space for limited # of * tags. */ Tk_Uid *tagPtr; /* Pointer to array of tags. Usually * points to staticTagSpace, but * may point to malloc-ed space if * there are lots of tags. */ int tagSpace; /* Total amount of tag space available * at tagPtr. */ int numTags; /* Number of tag slots actually used * at *tagPtr. */ struct Tk_ItemType *typePtr; /* Table of procedures that implement * this type of item. */ int x1, y1, x2, y2; /* Bounding box for item, in integer * canvas units. Set by item-specific * code and guaranteed to contain every * pixel drawn in item. Item area * includes x1 and y1 but not x2 * and y2. */ struct Tk_Item *prevPtr; /* Previous in display list of all * items in this canvas. Later items * in list are drawn just below earlier * ones. */ Tk_State state; /* state of item */ LangCallback *updateCmd; /* for "-updatecommand" option */ int redraw_flags; /* some flags used in the canvas */ struct Tk_Item *group; /* group item managing this one */ /* *------------------------------------------------------------------ * Starting here is additional type-specific stuff; see the * declarations for individual types to see what is part of * each type. The actual space below is determined by the * "itemInfoSize" of the type's Tk_ItemType record. *------------------------------------------------------------------ */ } Tk_Item; /* * Flag bits for canvases (redraw_flags): * * TK_ITEM_STATE_DEPENDANT - 1 means that object needs to be * redrawn if the canvas state changes. * TK_ITEM_DONT_REDRAW - 1 means that the object redraw is already * been prepared, so the general canvas code * doesn't need to do that any more. */ #define TK_ITEM_STATE_DEPENDANT 1 #define TK_ITEM_DONT_REDRAW 2 /* * Structures used for implementing visitors. */ typedef ClientData Tk_VisitorStartProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, int argc, Tcl_Obj *CONST *objv)); typedef int Tk_VisitorItemProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, ClientData clientData, Tk_Item *itemPtr)); typedef int Tk_VisitorEndProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, ClientData clientData)); typedef struct Tk_VisitorType { char *name; int typeSize; /* should be sizeof(Tk_VisitorType) */ int flags; /* If this flag is non-zero then * the item needs to be redrawn. */ Tk_VisitorStartProc *startProc; Tk_VisitorEndProc *endProc; Tk_VisitorItemProc *visitArc; /* The Arc visitor procedure. */ Tk_VisitorItemProc *visitBitmap; /* The Bitmap visitor procedure. */ Tk_VisitorItemProc *visitImage; /* The Image visitor procedure. */ Tk_VisitorItemProc *visitLine; /* The Line visitor procedure. */ Tk_VisitorItemProc *visitOval; /* The Oval visitor procedure. */ Tk_VisitorItemProc *visitPolygon; /* The Polygon visitor procedure. */ Tk_VisitorItemProc *visitRectangle; /* The Rectangle visitor procedure. */ Tk_VisitorItemProc *visitText; /* The Text visitor procedure. */ Tk_VisitorItemProc *visitWindow; /* The Window visitor procedure. */ Tk_VisitorItemProc *visitSticker; /* The Sticker visitor procedure. * from tkSticker*/ Tk_VisitorItemProc *visitViewport; /* The Viewport visitor procedure. * from TkSM */ Tk_VisitorItemProc *visitBarchart; /* The Barchart visitor procedure. * from Scotty */ Tk_VisitorItemProc *visitStripchart;/* The Stripchart visitor procedure. * from Scotty */ /* ptk extensions */ Tk_VisitorItemProc *visitGroup; /* The Group visitor procedure. */ Tk_VisitorItemProc *visitGrid; /* The Grid visitor procedure. */ /* *------------------------------------------------------------------ * Starting here is additional item-extension stuff; * you can add extra item types after this plus other information. *------------------------------------------------------------------ */ } Tk_VisitorType; /* * Records of the following type are used to describe a type of * item (e.g. lines, circles, etc.) that can form part of a * canvas widget. */ #ifdef USE_OLD_CANVAS typedef int Tk_ItemCreateProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, Tk_Item *itemPtr, int argc, Tcl_Obj *CONST *objv)); typedef int Tk_ItemConfigureProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, Tk_Item *itemPtr, int argc, Tcl_Obj *CONST *objv, int flags)); typedef int Tk_ItemCoordProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, Tk_Item *itemPtr, int argc, Tcl_Obj *CONST *objv)); #else typedef int Tk_ItemCreateProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, Tk_Item *itemPtr, int argc, Tcl_Obj *CONST objv[])); typedef int Tk_ItemConfigureProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, Tk_Item *itemPtr, int argc, CONST84 Tcl_Obj *CONST objv[], int flags)); typedef int Tk_ItemCoordProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, Tk_Item *itemPtr, int argc, Tcl_Obj *CONST objv[])); #endif typedef void Tk_ItemDeleteProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, Display *display)); typedef void Tk_ItemDisplayProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, Display *display, Drawable dst, int x, int y, int width, int height)); typedef double Tk_ItemPointProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, double *pointPtr)); typedef int Tk_ItemAreaProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, double *rectPtr)); typedef int Tk_ItemPostscriptProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, Tk_Item *itemPtr, int prepass)); typedef void Tk_ItemScaleProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, double originX, double originY, double scaleX, double scaleY)); typedef void Tk_ItemTranslateProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, double deltaX, double deltaY)); typedef int Tk_ItemIndexProc _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, Tk_Item *itemPtr, Tcl_Obj *indexString, int *indexPtr)); typedef void Tk_ItemCursorProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, int index)); typedef int Tk_ItemSelectionProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, int offset, char *buffer, int maxBytes)); typedef void Tk_ItemInsertProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, int beforeThis, Tcl_Obj *string)); typedef void Tk_ItemDCharsProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, int first, int last)); typedef void Tk_ItemBboxProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr)); typedef int Tk_ItemGetCoordProc _ANSI_ARGS_((Tk_Item *itemPtr, double **coordsPtr, Tcl_FreeProc *freeProc)); typedef int Tk_ItemSetCoordProc _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *itemPtr, int num, double *coords)); /* * Some flag values that can be used in the "flags" field in Tk_ItemType. */ #define TK_ITEM_ALWAYS_REDRAW 1 #define TK_ITEM_VISITOR_SUPPORT 2 /* * Structures used for implementing visitors. */ #ifndef __NO_OLD_CONFIG typedef struct Tk_ItemType { char *name; /* The name of this type of item, such * as "line". */ int itemSize; /* Total amount of space needed for * item's record. */ Tk_ItemCreateProc *createProc; /* Procedure to create a new item of * this type. */ Tk_ConfigSpec *configSpecs; /* Pointer to array of configuration * specs for this type. Used for * returning configuration info. */ Tk_ItemConfigureProc *configProc; /* Procedure to call to change * configuration options. */ Tk_ItemCoordProc *coordProc; /* Procedure to call to get and set * the item's coordinates. */ Tk_ItemDeleteProc *deleteProc; /* Procedure to delete existing item of * this type. */ Tk_ItemDisplayProc *displayProc; /* Procedure to display items of * this type. */ int alwaysRedraw; /* Non-zero means displayProc should * be called even when the item has * been moved off-screen. */ Tk_ItemPointProc *pointProc; /* Computes distance from item to * a given point. */ Tk_ItemAreaProc *areaProc; /* Computes whether item is inside, * outside, or overlapping an area. */ Tk_ItemPostscriptProc *postscriptProc; /* Procedure to write a Postscript * description for items of this * type. */ Tk_ItemScaleProc *scaleProc; /* Procedure to rescale items of * this type. */ Tk_ItemTranslateProc *translateProc;/* Procedure to translate items of * this type. */ Tk_ItemIndexProc *indexProc; /* Procedure to determine index of * indicated character. NULL if * item doesn't support indexing. */ Tk_ItemCursorProc *icursorProc; /* Procedure to set insert cursor pos. * to just before a given position. */ Tk_ItemSelectionProc *selectionProc;/* Procedure to return selection (in * STRING format) when it is in this * item. */ Tk_ItemInsertProc *insertProc; /* Procedure to insert something into * an item. */ Tk_ItemDCharsProc *dCharsProc; /* Procedure to delete characters * from an item. */ struct Tk_ItemType *nextPtr; /* Used to link types together into * a list. */ Tk_ItemBboxProc *bboxProc; /* Reserved for future extension. */ int reserved2; /* Carefully compatible with */ char *reserved3; /* Jan Nijtmans dash patch */ char *reserved4; } Tk_ItemType; #endif /* * The following structure provides information about the selection and * the insertion cursor. It is needed by only a few items, such as * those that display text. It is shared by the generic canvas code * and the item-specific code, but most of the fields should be written * only by the canvas generic code. */ typedef struct Tk_CanvasTextInfo { Tk_3DBorder selBorder; /* Border and background for selected * characters. Read-only to items.*/ int selBorderWidth; /* Width of border around selection. * Read-only to items. */ XColor *selFgColorPtr; /* Foreground color for selected text. * Read-only to items. */ Tk_Item *selItemPtr; /* Pointer to selected item. NULL means * selection isn't in this canvas. * Writable by items. */ int selectFirst; /* Character index of first selected * character. Writable by items. */ int selectLast; /* Character index of last selected * character. Writable by items. */ Tk_Item *anchorItemPtr; /* Item corresponding to "selectAnchor": * not necessarily selItemPtr. Read-only * to items. */ int selectAnchor; /* Character index of fixed end of * selection (i.e. "select to" operation will * use this as one end of the selection). * Writable by items. */ Tk_3DBorder insertBorder; /* Used to draw vertical bar for insertion * cursor. Read-only to items. */ int insertWidth; /* Total width of insertion cursor. Read-only * to items. */ int insertBorderWidth; /* Width of 3-D border around insert cursor. * Read-only to items. */ Tk_Item *focusItemPtr; /* Item that currently has the input focus, * or NULL if no such item. Read-only to * items. */ int gotFocus; /* Non-zero means that the canvas widget has * the input focus. Read-only to items.*/ int cursorOn; /* Non-zero means that an insertion cursor * should be displayed in focusItemPtr. * Read-only to items.*/ } Tk_CanvasTextInfo; /* * Structures used for Dashing and Outline. */ typedef struct Tk_Dash { int number; union { char *pt; char array[sizeof(char *)]; } pattern; } Tk_Dash; typedef struct Tk_TSOffset { int flags; /* flags; see below for possible values */ int xoffset; /* x offset */ int yoffset; /* y offset */ } Tk_TSOffset; /* * Bit fields in Tk_Offset->flags: */ #define TK_OFFSET_INDEX 1 #define TK_OFFSET_RELATIVE 2 #define TK_OFFSET_LEFT 4 #define TK_OFFSET_CENTER 8 #define TK_OFFSET_RIGHT 16 #define TK_OFFSET_TOP 32 #define TK_OFFSET_MIDDLE 64 #define TK_OFFSET_BOTTOM 128 typedef struct Tk_Tile_ *Tk_Tile; /* Opaque type for tiles */ typedef struct Tk_Outline { GC gc; /* Graphics context. */ double width; /* Width of outline. */ double activeWidth; /* Width of outline. */ double disabledWidth; /* Width of outline. */ int offset; /* Dash offset */ Tk_Dash dash; /* Dash pattern */ Tk_Dash activeDash; /* Dash pattern if state is active*/ Tk_Dash disabledDash; /* Dash pattern if state is disabled*/ VOID *reserved1; /* reserved for future expansion */ VOID *reserved2; VOID *reserved3; Tk_TSOffset tsoffset; /* stipple offset for outline*/ XColor *color; /* Outline color. */ XColor *activeColor; /* Outline color if state is active. */ XColor *disabledColor; /* Outline color if state is disabled. */ Pixmap stipple; /* Outline Stipple pattern. */ Pixmap activeStipple; /* Outline Stipple pattern if state is active. */ Pixmap disabledStipple; /* Outline Stipple pattern if state is disabled. */ Tk_Tile tile; } Tk_Outline; /* * Some functions handy for Dashing and Outlines (in tkCanvUtil.c). */ EXTERN void Tk_CreateOutline _ANSI_ARGS_((Tk_Outline *outline)); EXTERN void Tk_DeleteOutline _ANSI_ARGS_((Display *display, Tk_Outline *outline)); EXTERN int Tk_ConfigOutlineGC _ANSI_ARGS_((XGCValues *gcValues, Tk_Canvas canvas ,Tk_Item *item, Tk_Outline *outline)); EXTERN int Tk_ChangeOutlineGC _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *item, Tk_Outline *outline)); EXTERN int Tk_ResetOutlineGC _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *item, Tk_Outline *outline)); EXTERN int Tk_CanvasPsOutline _ANSI_ARGS_((Tk_Canvas canvas, Tk_Item *item, Tk_Outline *outline)); /* * Some functions handy for Tiling and Stipple/Tile offset. */ typedef void (Tk_TileChangedProc) _ANSI_ARGS_((ClientData clientData, Tk_Tile tile)); EXTERN Tk_Tile Tk_GetTile _ANSI_ARGS_((Tcl_Interp *interp, Tk_Window tkwin, CONST char *imageName)); EXTERN void Tk_FreeTile _ANSI_ARGS_((Tk_Tile tile)); EXTERN CONST char * Tk_NameOfTile _ANSI_ARGS_((Tk_Tile tile)); EXTERN void Tk_SetTileChangedProc _ANSI_ARGS_((Tk_Tile tile, Tk_TileChangedProc * changeProc, ClientData clientData)); EXTERN Pixmap Tk_PixmapOfTile _ANSI_ARGS_((Tk_Tile tile)); EXTERN int Tk_PixelParseProc _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, Tk_Window tkwin, Tcl_Obj *value, char *widgRec, int offset)); EXTERN Tcl_Obj *Tk_PixelPrintProc _ANSI_ARGS_(( ClientData clientData, Tk_Window tkwin, char *widgRec, int offset, Tcl_FreeProc **freeProcPtr)); EXTERN void Tk_SizeOfTile _ANSI_ARGS_((Tk_Tile tile, int *widthPtr, int *heightPtr)); EXTERN int Tk_TileParseProc _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, Tk_Window tkwin, Tcl_Obj *value, char *widgRec, int offset)); EXTERN Tcl_Obj *Tk_TilePrintProc _ANSI_ARGS_(( ClientData clientData, Tk_Window tkwin, char *widgRec, int offset, Tcl_FreeProc **freeProcPtr)); EXTERN int Tk_OffsetParseProc _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, Tk_Window tkwin, Tcl_Obj *value, char *widgRec, int offset)); EXTERN Tcl_Obj *Tk_OffsetPrintProc _ANSI_ARGS_(( ClientData clientData, Tk_Window tkwin, char *widgRec, int offset, Tcl_FreeProc **freeProcPtr)); EXTERN int Tk_OrientParseProc _ANSI_ARGS_(( ClientData clientData, Tcl_Interp *interp, Tk_Window tkwin, Tcl_Obj *value, char *widgRec, int offset)); EXTERN Tcl_Obj *Tk_OrientPrintProc _ANSI_ARGS_(( ClientData clientData, Tk_Window tkwin, char *widgRec, int offset, Tcl_FreeProc **freeProcPtr)); /* *-------------------------------------------------------------- * * Procedure prototypes and structures used for managing images: * *-------------------------------------------------------------- */ typedef struct Tk_ImageType Tk_ImageType; #ifdef USE_OLD_IMAGE typedef int (Tk_ImageCreateProc) _ANSI_ARGS_((Tcl_Interp *interp, char *name, int argc, Tcl_Obj *CONST *objv, Tk_ImageType *typePtr, Tk_ImageMaster master, ClientData *masterDataPtr)); #else typedef int (Tk_ImageCreateProc) _ANSI_ARGS_((Tcl_Interp *interp, char *name, int objc, Tcl_Obj *CONST objv[], Tk_ImageType *typePtr, Tk_ImageMaster master, ClientData *masterDataPtr)); #endif typedef ClientData (Tk_ImageGetProc) _ANSI_ARGS_((Tk_Window tkwin, ClientData masterData)); typedef void (Tk_ImageDisplayProc) _ANSI_ARGS_((ClientData instanceData, Display *display, Drawable drawable, int imageX, int imageY, int width, int height, int drawableX, int drawableY)); typedef void (Tk_ImageFreeProc) _ANSI_ARGS_((ClientData instanceData, Display *display)); typedef void (Tk_ImageDeleteProc) _ANSI_ARGS_((ClientData masterData)); typedef void (Tk_ImageChangedProc) _ANSI_ARGS_((ClientData clientData, int x, int y, int width, int height, int imageWidth, int imageHeight)); typedef int (Tk_ImagePostscriptProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, Tk_Window tkwin, Tk_PostscriptInfo psinfo, int x, int y, int width, int height, int prepass)); /* * The following structure represents a particular type of image * (bitmap, xpm image, etc.). It provides information common to * all images of that type, such as the type name and a collection * of procedures in the image manager that respond to various * events. Each image manager is represented by one of these * structures. */ struct Tk_ImageType { char *name; /* Name of image type. */ Tk_ImageCreateProc *createProc; /* Procedure to call to create a new image * of this type. */ Tk_ImageGetProc *getProc; /* Procedure to call the first time * Tk_GetImage is called in a new way * (new visual or screen). */ Tk_ImageDisplayProc *displayProc; /* Call to draw image, in response to * Tk_RedrawImage calls. */ Tk_ImageFreeProc *freeProc; /* Procedure to call whenever Tk_FreeImage * is called to release an instance of an * image. */ Tk_ImageDeleteProc *deleteProc; /* Procedure to call to delete image. It * will not be called until after freeProc * has been called for each instance of the * image. */ Tk_ImagePostscriptProc *postscriptProc; /* Procedure to call to produce postscript * output for the image. */ struct Tk_ImageType *nextPtr; /* Next in list of all image types currently * known. Filled in by Tk, not by image * manager. */ char *reserved; /* reserved for future expansion */ }; /* *-------------------------------------------------------------- * * Additional definitions used to manage images of type "photo". * *-------------------------------------------------------------- */ /* * The following type is used to identify a particular photo image * to be manipulated: */ typedef void *Tk_PhotoHandle; /* * The following structure describes a block of pixels in memory: */ typedef struct Tk_PhotoImageBlock { unsigned char *pixelPtr; /* Pointer to the first pixel. */ int width; /* Width of block, in pixels. */ int height; /* Height of block, in pixels. */ int pitch; /* Address difference between corresponding * pixels in successive lines. */ int pixelSize; /* Address difference between successive * pixels in the same line. */ int offset[4]; /* Address differences between the red, green * and blue components of the pixel and the * pixel as a whole. */ int reserved; /* Reserved for extensions (dash patch) */ } Tk_PhotoImageBlock; /* * The following values control how blocks are combined into photo * images when the alpha component of a pixel is not 255, a.k.a. the * compositing rule. */ #define TK_PHOTO_COMPOSITE_OVERLAY 0 #define TK_PHOTO_COMPOSITE_SET 1 /* * Procedure prototypes and structures used in reading and * writing photo images: */ typedef struct Tk_PhotoImageFormat Tk_PhotoImageFormat; #ifdef USE_OLD_IMAGE typedef int (Tk_ImageFileMatchProc) _ANSI_ARGS_((Tcl_Channel chan, char *fileName, char *formatString, int *widthPtr, int *heightPtr)); typedef int (Tk_ImageStringMatchProc) _ANSI_ARGS_((char *string, char *formatString, int *widthPtr, int *heightPtr)); typedef int (Tk_ImageFileReadProc) _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Channel chan, char *fileName, char *formatString, Tk_PhotoHandle imageHandle, int destX, int destY, int width, int height, int srcX, int srcY)); typedef int (Tk_ImageStringReadProc) _ANSI_ARGS_((Tcl_Interp *interp, char *string, char *formatString, Tk_PhotoHandle imageHandle, int destX, int destY, int width, int height, int srcX, int srcY)); typedef int (Tk_ImageFileWriteProc) _ANSI_ARGS_((Tcl_Interp *interp, char *fileName, char *formatString, Tk_PhotoImageBlock *blockPtr)); typedef int (Tk_ImageStringWriteProc) _ANSI_ARGS_((Tcl_Interp *interp, Tcl_DString *dataPtr, char *formatString, Tk_PhotoImageBlock *blockPtr)); #else typedef int (Tk_ImageFileMatchProc) _ANSI_ARGS_((Tcl_Channel chan, Tcl_Obj *fileName, Tcl_Obj *format, int *widthPtr, int *heightPtr,Tcl_Interp *interp)); typedef int (Tk_ImageStringMatchProc) _ANSI_ARGS_((Tcl_Obj *dataObj, Tcl_Obj *format, int *widthPtr, int *heightPt, Tcl_Interp *interp)); typedef int (Tk_ImageFileReadProc) _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Channel chan, Tcl_Obj *fileName, Tcl_Obj *format, Tk_PhotoHandle imageHandle, int destX, int destY, int width, int height, int srcX, int srcY)); typedef int (Tk_ImageStringReadProc) _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *dataObj, Tcl_Obj *format, Tk_PhotoHandle imageHandle, int destX, int destY, int width, int height, int srcX, int srcY)); typedef int (Tk_ImageFileWriteProc) _ANSI_ARGS_((Tcl_Interp *interp, char *fileName, Tcl_Obj *format, Tk_PhotoImageBlock *blockPtr)); typedef int (Tk_ImageStringWriteProc) _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *format, Tk_PhotoImageBlock *blockPtr)); #endif /* * The following structure represents a particular file format for * storing images (e.g., PPM, GIF, JPEG, etc.). It provides information * to allow image files of that format to be recognized and read into * a photo image. */ struct Tk_PhotoImageFormat { char *name; /* Name of image file format */ Tk_ImageFileMatchProc *fileMatchProc; /* Procedure to call to determine whether * an image file matches this format. */ Tk_ImageStringMatchProc *stringMatchProc; /* Procedure to call to determine whether * the data in a string matches this format. */ Tk_ImageFileReadProc *fileReadProc; /* Procedure to call to read data from * an image file into a photo image. */ Tk_ImageStringReadProc *stringReadProc; /* Procedure to call to read data from * a string into a photo image. */ Tk_ImageFileWriteProc *fileWriteProc; /* Procedure to call to write data from * a photo image to a file. */ Tk_ImageStringWriteProc *stringWriteProc; /* Procedure to call to obtain a string * representation of the data in a photo * image.*/ struct Tk_PhotoImageFormat *nextPtr; /* Next in list of all photo image formats * currently known. Filled in by Tk, not * by image format handler. */ }; EXTERN void Tk_CreateOldImageType _ANSI_ARGS_(( Tk_ImageType *typePtr)); EXTERN void Tk_CreateOldPhotoImageFormat _ANSI_ARGS_(( Tk_PhotoImageFormat *formatPtr)); #if !defined(USE_TK_STUBS) && defined(USE_OLD_IMAGE) #define Tk_CreateImageType Tk_CreateOldImageType #define Tk_CreatePhotoImageFormat Tk_CreateOldPhotoImageFormat #endif /* *-------------------------------------------------------------- * * Procedure prototypes and structures used for managing styles: * *-------------------------------------------------------------- */ /* * Style support version tag. */ #define TK_STYLE_VERSION_1 0x1 #define TK_STYLE_VERSION TK_STYLE_VERSION_1 /* * The following structures and prototypes are used as static templates to * declare widget elements. */ typedef void (Tk_GetElementSizeProc) _ANSI_ARGS_((ClientData clientData, char *recordPtr, CONST Tk_OptionSpec **optionsPtr, Tk_Window tkwin, int width, int height, int inner, int *widthPtr, int *heightPtr)); typedef void (Tk_GetElementBoxProc) _ANSI_ARGS_((ClientData clientData, char *recordPtr, CONST Tk_OptionSpec **optionsPtr, Tk_Window tkwin, int x, int y, int width, int height, int inner, int *xPtr, int *yPtr, int *widthPtr, int *heightPtr)); typedef int (Tk_GetElementBorderWidthProc) _ANSI_ARGS_((ClientData clientData, char *recordPtr, CONST Tk_OptionSpec **optionsPtr, Tk_Window tkwin)); typedef void (Tk_DrawElementProc) _ANSI_ARGS_((ClientData clientData, char *recordPtr, CONST Tk_OptionSpec **optionsPtr, Tk_Window tkwin, Drawable d, int x, int y, int width, int height, int state)); typedef struct Tk_ElementOptionSpec { char *name; /* Name of the required option. */ Tk_OptionType type; /* Accepted option type. TK_OPTION_END means * any. */ } Tk_ElementOptionSpec; typedef struct Tk_ElementSpec { int version; /* Version of the style support. */ char *name; /* Name of element. */ Tk_ElementOptionSpec *options; /* List of required options. Last one's name * must be NULL. */ /* * Hooks */ Tk_GetElementSizeProc *getSize; /* Compute the external (resp. internal) size of * the element from its desired internal (resp. * external) size. */ Tk_GetElementBoxProc *getBox; /* Compute the inscribed or bounding boxes * within a given area. */ Tk_GetElementBorderWidthProc *getBorderWidth; /* Return the element's internal border width. * Mostly useful for widgets. */ Tk_DrawElementProc *draw; /* Draw the element in the given bounding box.*/ } Tk_ElementSpec; /* * Element state flags. Can be OR'ed. */ #define TK_ELEMENT_STATE_ACTIVE 1<<0 #define TK_ELEMENT_STATE_DISABLED 1<<1 #define TK_ELEMENT_STATE_FOCUS 1<<2 #define TK_ELEMENT_STATE_PRESSED 1<<3 /* *-------------------------------------------------------------- * * The definitions below provide backward compatibility for * functions and types related to event handling that used to * be in Tk but have moved to Tcl. * *-------------------------------------------------------------- */ #if 0 #define TK_READABLE TCL_READABLE #define TK_WRITABLE TCL_WRITABLE #define TK_EXCEPTION TCL_EXCEPTION #define TK_DONT_WAIT TCL_DONT_WAIT #define TK_X_EVENTS TCL_WINDOW_EVENTS #define TK_WINDOW_EVENTS TCL_WINDOW_EVENTS #define TK_FILE_EVENTS TCL_FILE_EVENTS #define TK_TIMER_EVENTS TCL_TIMER_EVENTS #define TK_IDLE_EVENTS TCL_IDLE_EVENTS #define TK_ALL_EVENTS TCL_ALL_EVENTS #define Tk_IdleProc Tcl_IdleProc #define Tk_FileProc Tcl_FileProc #define Tk_TimerProc Tcl_TimerProc #define Tk_TimerToken Tcl_TimerToken #define Tk_BackgroundError Tcl_BackgroundError #define Tk_CancelIdleCall Tcl_CancelIdleCall #define Tk_CreateFileHandler Tcl_CreateFileHandler #define Tk_CreateTimerHandler Tcl_CreateTimerHandler #define Tk_DeleteFileHandler Tcl_DeleteFileHandler #define Tk_DeleteTimerHandler Tcl_DeleteTimerHandler #define Tk_DoOneEvent Tcl_DoOneEvent #define Tk_DoWhenIdle Tcl_DoWhenIdle #define Tk_Sleep Tcl_Sleep /* Additional stuff that has moved to Tcl: */ #define Tk_EventuallyFree Tcl_EventuallyFree #define Tk_FreeProc Tcl_FreeProc #define Tk_Preserve Tcl_Preserve #define Tk_Release Tcl_Release #define Tk_FileeventCmd Tcl_FileEventCmd #endif /* Removed Tk_Main, use macro instead */ #define Tk_Main(argc, argv, proc) \ Tk_MainEx(argc, argv, proc, Tcl_CreateInterp()) extern CONST char *Tk_InitStubs _ANSI_ARGS_((Tcl_Interp *interp, char *version, int exact)); #ifndef USE_TK_STUBS #define Tk_InitStubs(interp, version, exact) \ Tcl_PkgRequire(interp, "Tk", version, exact) #endif extern void Tk_InitImageArgs _ANSI_ARGS_((Tcl_Interp *interp, int argc, char ***objv)); #if !defined(USE_TK_STUBS) || !defined(USE_OLD_IMAGE) #define Tk_InitImageArgs(interp, argc, argv) /**/ #endif /* *-------------------------------------------------------------- * * Additional procedure types defined by Tk. * *-------------------------------------------------------------- */ #define TK_EVENTTYPE_NONE 0 #define TK_EVENTTYPE_STRING 1 #define TK_EVENTTYPE_NUMBER 2 #define TK_EVENTTYPE_WINDOW 3 #define TK_EVENTTYPE_ATOM 4 #define TK_EVENTTYPE_DISPLAY 5 #define TK_EVENTTYPE_DATA 6 typedef int (Tk_ErrorProc) _ANSI_ARGS_((ClientData clientData, XErrorEvent *errEventPtr)); typedef void (Tk_EventProc) _ANSI_ARGS_((ClientData clientData, XEvent *eventPtr)); typedef int (Tk_GenericProc) _ANSI_ARGS_((ClientData clientData, XEvent *eventPtr)); typedef int (Tk_ClientMessageProc) _ANSI_ARGS_((Tk_Window tkwin, XEvent *eventPtr)); typedef int (Tk_GetSelProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, char *portion)); typedef int (Tk_GetXSelProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, long *portion, int numValues, int format, Atom type, Tk_Window tkwin)); typedef void (Tk_LostSelProc) _ANSI_ARGS_((ClientData clientData)); typedef Tk_RestrictAction (Tk_RestrictProc) _ANSI_ARGS_(( ClientData clientData, XEvent *eventPtr)); typedef int (Tk_SelectionProc) _ANSI_ARGS_((ClientData clientData, int offset, char *buffer, int maxBytes)); typedef int (Tk_XSelectionProc) _ANSI_ARGS_((ClientData clientData, int offset, long *buffer, int maxBytes, Atom type, Tk_Window tkwin)); typedef struct { char *name; /* Name of command. */ int (*cmdProc) _ANSI_ARGS_((ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv)); /* Command procedure. */ } Tk_Cmd; /* *-------------------------------------------------------------- * * Platform independant exported procedures and variables. * *-------------------------------------------------------------- */ #include "tkDecls.h" /* * Allow users to say that they don't want to alter their source to * add the extra argument to Tk_PhotoPutBlock(); DO NOT DEFINE THIS * WHEN BUILDING TK. * * This goes after the inclusion of the stubbed-decls so that the * declarations of what is actually there can be correct. */ #ifdef USE_COMPOSITELESS_PHOTO_PUT_BLOCK # ifdef Tk_PhotoPutBlock # undef Tk_PhotoPutBlock # endif # define Tk_PhotoPutBlock Tk_PhotoPutBlock_NoComposite # ifdef Tk_PhotoPutZoomedBlock # undef Tk_PhotoPutZoomedBlock # endif # define Tk_PhotoPutZoomedBlock Tk_PhotoPutZoomedBlock_NoComposite #endif /* USE_COMPOSITELESS_PHOTO_PUT_BLOCK */ /* * Tcl commands exported by Tk: */ EXTERN Tcl_Command Lang_CreateWidget _ANSI_ARGS_((Tcl_Interp *interp, Tk_Window, Tcl_ObjCmdProc *proc, ClientData clientData, Tcl_CmdDeleteProc *deleteProc)); EXTERN Tcl_Command Lang_CreateImage _ANSI_ARGS_((Tcl_Interp *interp, char *cmdName, Tcl_ObjCmdProc *proc, ClientData clientData, Tcl_CmdDeleteProc *deleteProc, Tk_ImageType *typePtr)); EXTERN void Lang_DeleteWidget _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Command cmd)); EXTERN void Tk_ChangeScreen _ANSI_ARGS_((Tcl_Interp *interp, char *dispName, int screenIndex)); EXTERN Var LangFindVar _ANSI_ARGS_((Tcl_Interp * interp, Tk_Window, CONST char *name)); EXTERN Tcl_Obj * LangWidgetObj _ANSI_ARGS_((Tcl_Interp *interp, Tk_Window)); EXTERN Tcl_Obj * LangFontObj _ANSI_ARGS_((Tcl_Interp *interp, Tk_Font font, char *name)); EXTERN Tcl_Obj * LangObjectObj _ANSI_ARGS_((Tcl_Interp *interp, char *)); #define LangWidgetArg(interp,win) LangObjArg(LangWidgetObj(interp,win),__FILE__,__LINE__) #define LangFontArg(interp,font,name) LangObjArg(LangFontObj(interp,font,name),__FILE__,__LINE__) #define LangObjectArg(interp,name) LangObjArg(LangObjectObj(interp,name),__FILE__,__LINE__) #ifndef NO_EXTERN EXTERN void Lang_DeadMainWindow _ANSI_ARGS_((Tcl_Interp *, Tk_Window)); EXTERN void Lang_NewMainWindow _ANSI_ARGS_((Tcl_Interp *, Tk_Window)); EXTERN void LangDeadWindow _ANSI_ARGS_((Tcl_Interp *interp, Tk_Window)); EXTERN void LangClientMessage _ANSI_ARGS_((Tcl_Interp *interp,Tk_Window, XEvent *)); EXTERN void LangSelectHook _ANSI_ARGS_((CONST char *what, Tk_Window tkwin, Atom selection, Atom target, Atom type)); #endif EXTERN int LangEventCallback _ANSI_ARGS_((ClientData, Tcl_Interp *,XEvent *,Tk_Window,KeySym)); EXTERN int Tk_GetXSelection _ANSI_ARGS_((Tcl_Interp *interp, Tk_Window tkwin, Atom selection, Atom target, Tk_GetXSelProc *proc, ClientData clientData)); EXTERN Tk_Window Tk_EventWindow _ANSI_ARGS_((XEvent *eventPtr)); EXTERN char * Tk_EventInfo _ANSI_ARGS_((int letter, Tk_Window tkwin, XEvent *eventPtr, KeySym keySym, int *numPtr, int *isNum, int *type, int num_size, char *numStorage)); extern void LangCheckDC _ANSI_ARGS_((const char *file, int line)); #undef TCL_STORAGE_CLASS #define TCL_STORAGE_CLASS DLLIMPORT #endif /* RC_INVOKED */ /* * end block for C++ */ #ifdef __cplusplus } #endif #endif /* _TK */