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1 /* $Header$ */
2
3 /*
4 * tkInt.h --
5 *
6 * Declarations for things used internally by the Tk
7 * procedures but not exported outside the module.
8 *
9 * Copyright (c) 1990-1994 The Regents of the University of California.
10 * Copyright (c) 1994-1997 Sun Microsystems, Inc.
11 * Copyright (c) 1998 by Scriptics Corporation.
12 *
13 * See the file "license.terms" for information on usage and redistribution
14 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
15 *
16 * RCS: $Id: tkint.h,v 1.1.1.1 2001/06/13 05:03:44 dtashley Exp $
17 */
18
19 #ifndef _TKINT
20 #define _TKINT
21
22 #ifndef _TK
23 #include "tk.h"
24 #endif
25 #ifndef _TCL
26 #include "tcl.h"
27 #endif
28 #ifndef _TKPORT
29 #include "tkPort.h"
30 #endif
31
32 /*
33 * Opaque type declarations:
34 */
35
36 typedef struct TkColormap TkColormap;
37 typedef struct TkGrabEvent TkGrabEvent;
38 typedef struct TkpCursor_ *TkpCursor;
39 typedef struct TkRegion_ *TkRegion;
40 typedef struct TkStressedCmap TkStressedCmap;
41 typedef struct TkBindInfo_ *TkBindInfo;
42
43 /*
44 * Procedure types.
45 */
46
47 typedef int (TkBindEvalProc) _ANSI_ARGS_((ClientData clientData,
48 Tcl_Interp *interp, XEvent *eventPtr, Tk_Window tkwin,
49 KeySym keySym));
50 typedef void (TkBindFreeProc) _ANSI_ARGS_((ClientData clientData));
51 typedef Window (TkClassCreateProc) _ANSI_ARGS_((Tk_Window tkwin,
52 Window parent, ClientData instanceData));
53 typedef void (TkClassGeometryProc) _ANSI_ARGS_((ClientData instanceData));
54 typedef void (TkClassModalProc) _ANSI_ARGS_((Tk_Window tkwin,
55 XEvent *eventPtr));
56
57
58 /*
59 * Widget class procedures used to implement platform specific widget
60 * behavior.
61 */
62
63 typedef struct TkClassProcs {
64 TkClassCreateProc *createProc;
65 /* Procedure to invoke when the
66 platform-dependent window needs to be
67 created. */
68 TkClassGeometryProc *geometryProc;
69 /* Procedure to invoke when the geometry of a
70 window needs to be recalculated as a result
71 of some change in the system. */
72 TkClassModalProc *modalProc;
73 /* Procedure to invoke after all bindings on a
74 widget have been triggered in order to
75 handle a modal loop. */
76 } TkClassProcs;
77
78 /*
79 * One of the following structures is maintained for each cursor in
80 * use in the system. This structure is used by tkCursor.c and the
81 * various system specific cursor files.
82 */
83
84 typedef struct TkCursor {
85 Tk_Cursor cursor; /* System specific identifier for cursor. */
86 Display *display; /* Display containing cursor. Needed for
87 * disposal and retrieval of cursors. */
88 int resourceRefCount; /* Number of active uses of this cursor (each
89 * active use corresponds to a call to
90 * Tk_AllocPreserveFromObj or Tk_Preserve).
91 * If this count is 0, then this structure
92 * is no longer valid and it isn't present
93 * in a hash table: it is being kept around
94 * only because there are objects referring
95 * to it. The structure is freed when
96 * resourceRefCount and objRefCount are
97 * both 0. */
98 int objRefCount; /* Number of Tcl objects that reference
99 * this structure.. */
100 Tcl_HashTable *otherTable; /* Second table (other than idTable) used
101 * to index this entry. */
102 Tcl_HashEntry *hashPtr; /* Entry in otherTable for this structure
103 * (needed when deleting). */
104 Tcl_HashEntry *idHashPtr; /* Entry in idTable for this structure
105 * (needed when deleting). */
106 struct TkCursor *nextPtr; /* Points to the next TkCursor structure with
107 * the same name. Cursors with the same
108 * name but different displays are chained
109 * together off a single hash table entry. */
110 } TkCursor;
111
112 /*
113 * One of the following structures is maintained for each display
114 * containing a window managed by Tk. In part, the structure is
115 * used to store thread-specific data, since each thread will have
116 * its own TkDisplay structure.
117 */
118
119 typedef struct TkDisplay {
120 Display *display; /* Xlib's info about display. */
121 struct TkDisplay *nextPtr; /* Next in list of all displays. */
122 char *name; /* Name of display (with any screen
123 * identifier removed). Malloc-ed. */
124 Time lastEventTime; /* Time of last event received for this
125 * display. */
126
127 /*
128 * Information used primarily by tk3d.c:
129 */
130
131 int borderInit; /* 0 means borderTable needs initializing. */
132 Tcl_HashTable borderTable; /* Maps from color name to TkBorder
133 * structure. */
134
135 /*
136 * Information used by tkAtom.c only:
137 */
138
139 int atomInit; /* 0 means stuff below hasn't been
140 * initialized yet. */
141 Tcl_HashTable nameTable; /* Maps from names to Atom's. */
142 Tcl_HashTable atomTable; /* Maps from Atom's back to names. */
143
144 /*
145 * Information used primarily by tkBind.c:
146 */
147
148 int bindInfoStale; /* Non-zero means the variables in this
149 * part of the structure are potentially
150 * incorrect and should be recomputed. */
151 unsigned int modeModMask; /* Has one bit set to indicate the modifier
152 * corresponding to "mode shift". If no
153 * such modifier, than this is zero. */
154 unsigned int metaModMask; /* Has one bit set to indicate the modifier
155 * corresponding to the "Meta" key. If no
156 * such modifier, then this is zero. */
157 unsigned int altModMask; /* Has one bit set to indicate the modifier
158 * corresponding to the "Meta" key. If no
159 * such modifier, then this is zero. */
160 enum {LU_IGNORE, LU_CAPS, LU_SHIFT} lockUsage;
161 /* Indicates how to interpret lock modifier. */
162 int numModKeyCodes; /* Number of entries in modKeyCodes array
163 * below. */
164 KeyCode *modKeyCodes; /* Pointer to an array giving keycodes for
165 * all of the keys that have modifiers
166 * associated with them. Malloc'ed, but
167 * may be NULL. */
168
169 /*
170 * Information used by tkBitmap.c only:
171 */
172
173 int bitmapInit; /* 0 means tables above need initializing. */
174 int bitmapAutoNumber; /* Used to number bitmaps. */
175 Tcl_HashTable bitmapNameTable;
176 /* Maps from name of bitmap to the first
177 * TkBitmap record for that name. */
178 Tcl_HashTable bitmapIdTable;/* Maps from bitmap id to the TkBitmap
179 * structure for the bitmap. */
180 Tcl_HashTable bitmapDataTable;
181 /* Used by Tk_GetBitmapFromData to map from
182 * a collection of in-core data about a
183 * bitmap to a reference giving an auto-
184 * matically-generated name for the bitmap. */
185
186 /*
187 * Information used by tkCanvas.c only:
188 */
189
190 int numIdSearches;
191 int numSlowSearches;
192
193 /*
194 * Used by tkColor.c only:
195 */
196
197 int colorInit; /* 0 means color module needs initializing. */
198 TkStressedCmap *stressPtr; /* First in list of colormaps that have
199 * filled up, so we have to pick an
200 * approximate color. */
201 Tcl_HashTable colorNameTable;
202 /* Maps from color name to TkColor structure
203 * for that color. */
204 Tcl_HashTable colorValueTable;
205 /* Maps from integer RGB values to TkColor
206 * structures. */
207
208 /*
209 * Used by tkCursor.c only:
210 */
211
212 int cursorInit; /* 0 means cursor module need initializing. */
213 Tcl_HashTable cursorNameTable;
214 /* Maps from a string name to a cursor to the
215 * TkCursor record for the cursor. */
216 Tcl_HashTable cursorDataTable;
217 /* Maps from a collection of in-core data
218 * about a cursor to a TkCursor structure. */
219 Tcl_HashTable cursorIdTable;
220 /* Maps from a cursor id to the TkCursor
221 * structure for the cursor. */
222 char cursorString[20]; /* Used to store a cursor id string. */
223 Font cursorFont; /* Font to use for standard cursors.
224 * None means font not loaded yet. */
225
226 /*
227 * Information used by tkError.c only:
228 */
229
230 struct TkErrorHandler *errorPtr;
231 /* First in list of error handlers
232 * for this display. NULL means
233 * no handlers exist at present. */
234 int deleteCount; /* Counts # of handlers deleted since
235 * last time inactive handlers were
236 * garbage-collected. When this number
237 * gets big, handlers get cleaned up. */
238
239 /*
240 * Used by tkEvent.c only:
241 */
242
243 struct TkWindowEvent *delayedMotionPtr;
244 /* Points to a malloc-ed motion event
245 * whose processing has been delayed in
246 * the hopes that another motion event
247 * will come along right away and we can
248 * merge the two of them together. NULL
249 * means that there is no delayed motion
250 * event. */
251
252 /*
253 * Information used by tkFocus.c only:
254 */
255
256 int focusDebug; /* 1 means collect focus debugging
257 * statistics. */
258 struct TkWindow *implicitWinPtr;
259 /* If the focus arrived at a toplevel window
260 * implicitly via an Enter event (rather
261 * than via a FocusIn event), this points
262 * to the toplevel window. Otherwise it is
263 * NULL. */
264 struct TkWindow *focusPtr; /* Points to the window on this display that
265 * should be receiving keyboard events. When
266 * multiple applications on the display have
267 * the focus, this will refer to the
268 * innermost window in the innermost
269 * application. This information isn't used
270 * under Unix or Windows, but it's needed on
271 * the Macintosh. */
272
273 /*
274 * Information used by tkGC.c only:
275 */
276
277 Tcl_HashTable gcValueTable; /* Maps from a GC's values to a TkGC structure
278 * describing a GC with those values. */
279 Tcl_HashTable gcIdTable; /* Maps from a GC to a TkGC. */
280 int gcInit; /* 0 means the tables below need
281 * initializing. */
282
283 /*
284 * Information used by tkGeometry.c only:
285 */
286
287 Tcl_HashTable maintainHashTable;
288 /* Hash table that maps from a master's
289 * Tk_Window token to a list of slaves
290 * managed by that master. */
291 int geomInit;
292
293 /*
294 * Information used by tkGet.c only:
295 */
296
297 Tcl_HashTable uidTable; /* Stores all Tk_Uid used in a thread. */
298 int uidInit; /* 0 means uidTable needs initializing. */
299
300 /*
301 * Information used by tkGrab.c only:
302 */
303
304 struct TkWindow *grabWinPtr;
305 /* Window in which the pointer is currently
306 * grabbed, or NULL if none. */
307 struct TkWindow *eventualGrabWinPtr;
308 /* Value that grabWinPtr will have once the
309 * grab event queue (below) has been
310 * completely emptied. */
311 struct TkWindow *buttonWinPtr;
312 /* Window in which first mouse button was
313 * pressed while grab was in effect, or NULL
314 * if no such press in effect. */
315 struct TkWindow *serverWinPtr;
316 /* If no application contains the pointer then
317 * this is NULL. Otherwise it contains the
318 * last window for which we've gotten an
319 * Enter or Leave event from the server (i.e.
320 * the last window known to have contained
321 * the pointer). Doesn't reflect events
322 * that were synthesized in tkGrab.c. */
323 TkGrabEvent *firstGrabEventPtr;
324 /* First in list of enter/leave events
325 * synthesized by grab code. These events
326 * must be processed in order before any other
327 * events are processed. NULL means no such
328 * events. */
329 TkGrabEvent *lastGrabEventPtr;
330 /* Last in list of synthesized events, or NULL
331 * if list is empty. */
332 int grabFlags; /* Miscellaneous flag values. See definitions
333 * in tkGrab.c. */
334
335 /*
336 * Information used by tkGrid.c only:
337 */
338
339 int gridInit; /* 0 means table below needs initializing. */
340 Tcl_HashTable gridHashTable;/* Maps from Tk_Window tokens to
341 * corresponding Grid structures. */
342
343 /*
344 * Information used by tkImage.c only:
345 */
346
347 int imageId; /* Value used to number image ids. */
348
349 /*
350 * Information used by tkMacWinMenu.c only:
351 */
352
353 int postCommandGeneration;
354
355 /*
356 * Information used by tkOption.c only.
357 */
358
359
360
361 /*
362 * Information used by tkPack.c only.
363 */
364
365 int packInit; /* 0 means table below needs initializing. */
366 Tcl_HashTable packerHashTable;
367 /* Maps from Tk_Window tokens to
368 * corresponding Packer structures. */
369
370
371 /*
372 * Information used by tkPlace.c only.
373 */
374
375 int placeInit; /* 0 means tables below need initializing. */
376 Tcl_HashTable masterTable; /* Maps from Tk_Window toke to the Master
377 * structure for the window, if it exists. */
378 Tcl_HashTable slaveTable; /* Maps from Tk_Window toke to the Slave
379 * structure for the window, if it exists. */
380
381 /*
382 * Information used by tkSelect.c and tkClipboard.c only:
383 */
384
385 struct TkSelectionInfo *selectionInfoPtr;
386 /* First in list of selection information
387 * records. Each entry contains information
388 * about the current owner of a particular
389 * selection on this display. */
390 Atom multipleAtom; /* Atom for MULTIPLE. None means
391 * selection stuff isn't initialized. */
392 Atom incrAtom; /* Atom for INCR. */
393 Atom targetsAtom; /* Atom for TARGETS. */
394 Atom timestampAtom; /* Atom for TIMESTAMP. */
395 Atom textAtom; /* Atom for TEXT. */
396 Atom compoundTextAtom; /* Atom for COMPOUND_TEXT. */
397 Atom applicationAtom; /* Atom for TK_APPLICATION. */
398 Atom windowAtom; /* Atom for TK_WINDOW. */
399 Atom clipboardAtom; /* Atom for CLIPBOARD. */
400
401 Tk_Window clipWindow; /* Window used for clipboard ownership and to
402 * retrieve selections between processes. NULL
403 * means clipboard info hasn't been
404 * initialized. */
405 int clipboardActive; /* 1 means we currently own the clipboard
406 * selection, 0 means we don't. */
407 struct TkMainInfo *clipboardAppPtr;
408 /* Last application that owned clipboard. */
409 struct TkClipboardTarget *clipTargetPtr;
410 /* First in list of clipboard type information
411 * records. Each entry contains information
412 * about the buffers for a given selection
413 * target. */
414
415 /*
416 * Information used by tkSend.c only:
417 */
418
419 Tk_Window commTkwin; /* Window used for communication
420 * between interpreters during "send"
421 * commands. NULL means send info hasn't
422 * been initialized yet. */
423 Atom commProperty; /* X's name for comm property. */
424 Atom registryProperty; /* X's name for property containing
425 * registry of interpreter names. */
426 Atom appNameProperty; /* X's name for property used to hold the
427 * application name on each comm window. */
428
429 /*
430 * Information used by tkXId.c only:
431 */
432
433 struct TkIdStack *idStackPtr;
434 /* First in list of chunks of free resource
435 * identifiers, or NULL if there are no free
436 * resources. */
437 XID (*defaultAllocProc) _ANSI_ARGS_((Display *display));
438 /* Default resource allocator for display. */
439 struct TkIdStack *windowStackPtr;
440 /* First in list of chunks of window
441 * identifers that can't be reused right
442 * now. */
443 int idCleanupScheduled; /* 1 means a call to WindowIdCleanup has
444 * already been scheduled, 0 means it
445 * hasn't. */
446
447 /*
448 * Information used by tkUnixWm.c and tkWinWm.c only:
449 */
450
451 int wmTracing; /* Used to enable or disable tracing in
452 * this module. If tracing is enabled,
453 * then information is printed on
454 * standard output about interesting
455 * interactions with the window manager. */
456 struct TkWmInfo *firstWmPtr; /* Points to first top-level window. */
457 struct TkWmInfo *foregroundWmPtr;
458 /* Points to the foreground window. */
459
460 /*
461 * Information maintained by tkWindow.c for use later on by tkXId.c:
462 */
463
464
465 int destroyCount; /* Number of Tk_DestroyWindow operations
466 * in progress. */
467 unsigned long lastDestroyRequest;
468 /* Id of most recent XDestroyWindow request;
469 * can re-use ids in windowStackPtr when
470 * server has seen this request and event
471 * queue is empty. */
472
473 /*
474 * Information used by tkVisual.c only:
475 */
476
477 TkColormap *cmapPtr; /* First in list of all non-default colormaps
478 * allocated for this display. */
479
480 /*
481 * Miscellaneous information:
482 */
483
484 #ifdef TK_USE_INPUT_METHODS
485 XIM inputMethod; /* Input method for this display */
486 #endif /* TK_USE_INPUT_METHODS */
487 Tcl_HashTable winTable; /* Maps from X window ids to TkWindow ptrs. */
488
489 int refCount; /* Reference count of how many Tk applications
490 * are using this display. Used to clean up
491 * the display when we no longer have any
492 * Tk applications using it.
493 */
494 /*
495 * The following field were all added for Tk8.3
496 */
497 int mouseButtonState; /* current mouse button state for this
498 * display */
499 int warpInProgress;
500 Window warpWindow;
501 int warpX;
502 int warpY;
503 int useInputMethods; /* Whether to use input methods */
504 } TkDisplay;
505
506 /*
507 * One of the following structures exists for each error handler
508 * created by a call to Tk_CreateErrorHandler. The structure
509 * is managed by tkError.c.
510 */
511
512 typedef struct TkErrorHandler {
513 TkDisplay *dispPtr; /* Display to which handler applies. */
514 unsigned long firstRequest; /* Only errors with serial numbers
515 * >= to this are considered. */
516 unsigned long lastRequest; /* Only errors with serial numbers
517 * <= to this are considered. This
518 * field is filled in when XUnhandle
519 * is called. -1 means XUnhandle
520 * hasn't been called yet. */
521 int error; /* Consider only errors with this
522 * error_code (-1 means consider
523 * all errors). */
524 int request; /* Consider only errors with this
525 * major request code (-1 means
526 * consider all major codes). */
527 int minorCode; /* Consider only errors with this
528 * minor request code (-1 means
529 * consider all minor codes). */
530 Tk_ErrorProc *errorProc; /* Procedure to invoke when a matching
531 * error occurs. NULL means just ignore
532 * errors. */
533 ClientData clientData; /* Arbitrary value to pass to
534 * errorProc. */
535 struct TkErrorHandler *nextPtr;
536 /* Pointer to next older handler for
537 * this display, or NULL for end of
538 * list. */
539 } TkErrorHandler;
540
541
542
543
544 /*
545 * One of the following structures exists for each event handler
546 * created by calling Tk_CreateEventHandler. This information
547 * is used by tkEvent.c only.
548 */
549
550 typedef struct TkEventHandler {
551 unsigned long mask; /* Events for which to invoke
552 * proc. */
553 Tk_EventProc *proc; /* Procedure to invoke when an event
554 * in mask occurs. */
555 ClientData clientData; /* Argument to pass to proc. */
556 struct TkEventHandler *nextPtr;
557 /* Next in list of handlers
558 * associated with window (NULL means
559 * end of list). */
560 } TkEventHandler;
561
562 /*
563 * Tk keeps one of the following data structures for each main
564 * window (created by a call to TkCreateMainWindow). It stores
565 * information that is shared by all of the windows associated
566 * with a particular main window.
567 */
568
569 typedef struct TkMainInfo {
570 int refCount; /* Number of windows whose "mainPtr" fields
571 * point here. When this becomes zero, can
572 * free up the structure (the reference
573 * count is zero because windows can get
574 * deleted in almost any order; the main
575 * window isn't necessarily the last one
576 * deleted). */
577 struct TkWindow *winPtr; /* Pointer to main window. */
578 Tcl_Interp *interp; /* Interpreter associated with application. */
579 Tcl_HashTable nameTable; /* Hash table mapping path names to TkWindow
580 * structs for all windows related to this
581 * main window. Managed by tkWindow.c. */
582 Tk_BindingTable bindingTable;
583 /* Used in conjunction with "bind" command
584 * to bind events to Tcl commands. */
585 TkBindInfo bindInfo; /* Information used by tkBind.c on a per
586 * application basis. */
587 struct TkFontInfo *fontInfoPtr;
588 /* Information used by tkFont.c on a per
589 * application basis. */
590
591 /*
592 * Information used only by tkFocus.c and tk*Embed.c:
593 */
594
595 struct TkToplevelFocusInfo *tlFocusPtr;
596 /* First in list of records containing focus
597 * information for each top-level in the
598 * application. Used only by tkFocus.c. */
599 struct TkDisplayFocusInfo *displayFocusPtr;
600 /* First in list of records containing focus
601 * information for each display that this
602 * application has ever used. Used only
603 * by tkFocus.c. */
604
605 struct ElArray *optionRootPtr;
606 /* Top level of option hierarchy for this
607 * main window. NULL means uninitialized.
608 * Managed by tkOption.c. */
609 Tcl_HashTable imageTable; /* Maps from image names to Tk_ImageMaster
610 * structures. Managed by tkImage.c. */
611 int strictMotif; /* This is linked to the tk_strictMotif
612 * global variable. */
613 struct TkMainInfo *nextPtr; /* Next in list of all main windows managed by
614 * this process. */
615 } TkMainInfo;
616
617 /*
618 * Tk keeps the following data structure for each of it's builtin
619 * bitmaps. This structure is only used by tkBitmap.c and other
620 * platform specific bitmap files.
621 */
622
623 typedef struct {
624 char *source; /* Bits for bitmap. */
625 int width, height; /* Dimensions of bitmap. */
626 int native; /* 0 means generic (X style) bitmap,
627 * 1 means native style bitmap. */
628 } TkPredefBitmap;
629
630 /*
631 * Tk keeps one of the following structures for each window.
632 * Some of the information (like size and location) is a shadow
633 * of information managed by the X server, and some is special
634 * information used here, such as event and geometry management
635 * information. This information is (mostly) managed by tkWindow.c.
636 * WARNING: the declaration below must be kept consistent with the
637 * Tk_FakeWin structure in tk.h. If you change one, be sure to
638 * change the other!!
639 */
640
641 typedef struct TkWindow {
642
643 /*
644 * Structural information:
645 */
646
647 Display *display; /* Display containing window. */
648 TkDisplay *dispPtr; /* Tk's information about display
649 * for window. */
650 int screenNum; /* Index of screen for window, among all
651 * those for dispPtr. */
652 Visual *visual; /* Visual to use for window. If not default,
653 * MUST be set before X window is created. */
654 int depth; /* Number of bits/pixel. */
655 Window window; /* X's id for window. NULL means window
656 * hasn't actually been created yet, or it's
657 * been deleted. */
658 struct TkWindow *childList; /* First in list of child windows,
659 * or NULL if no children. List is in
660 * stacking order, lowest window first.*/
661 struct TkWindow *lastChildPtr;
662 /* Last in list of child windows (highest
663 * in stacking order), or NULL if no
664 * children. */
665 struct TkWindow *parentPtr; /* Pointer to parent window (logical
666 * parent, not necessarily X parent). NULL
667 * means either this is the main window, or
668 * the window's parent has already been
669 * deleted. */
670 struct TkWindow *nextPtr; /* Next higher sibling (in stacking order)
671 * in list of children with same parent. NULL
672 * means end of list. */
673 TkMainInfo *mainPtr; /* Information shared by all windows
674 * associated with a particular main
675 * window. NULL means this window is
676 * a rogue that isn't associated with
677 * any application (at present, this
678 * only happens for the dummy windows
679 * used for "send" communication). */
680
681 /*
682 * Name and type information for the window:
683 */
684
685 char *pathName; /* Path name of window (concatenation
686 * of all names between this window and
687 * its top-level ancestor). This is a
688 * pointer into an entry in
689 * mainPtr->nameTable. NULL means that
690 * the window hasn't been completely
691 * created yet. */
692 Tk_Uid nameUid; /* Name of the window within its parent
693 * (unique within the parent). */
694 Tk_Uid classUid; /* Class of the window. NULL means window
695 * hasn't been given a class yet. */
696
697 /*
698 * Geometry and other attributes of window. This information
699 * may not be updated on the server immediately; stuff that
700 * hasn't been reflected in the server yet is called "dirty".
701 * At present, information can be dirty only if the window
702 * hasn't yet been created.
703 */
704
705 XWindowChanges changes; /* Geometry and other info about
706 * window. */
707 unsigned int dirtyChanges; /* Bits indicate fields of "changes"
708 * that are dirty. */
709 XSetWindowAttributes atts; /* Current attributes of window. */
710 unsigned long dirtyAtts; /* Bits indicate fields of "atts"
711 * that are dirty. */
712
713 unsigned int flags; /* Various flag values: these are all
714 * defined in tk.h (confusing, but they're
715 * needed there for some query macros). */
716
717 /*
718 * Information kept by the event manager (tkEvent.c):
719 */
720
721 TkEventHandler *handlerList;/* First in list of event handlers
722 * declared for this window, or
723 * NULL if none. */
724 #ifdef TK_USE_INPUT_METHODS
725 XIC inputContext; /* Input context (for input methods). */
726 #endif /* TK_USE_INPUT_METHODS */
727
728 /*
729 * Information used for event bindings (see "bind" and "bindtags"
730 * commands in tkCmds.c):
731 */
732
733 ClientData *tagPtr; /* Points to array of tags used for bindings
734 * on this window. Each tag is a Tk_Uid.
735 * Malloc'ed. NULL means no tags. */
736 int numTags; /* Number of tags at *tagPtr. */
737
738 /*
739 * Information used by tkOption.c to manage options for the
740 * window.
741 */
742
743 int optionLevel; /* -1 means no option information is
744 * currently cached for this window.
745 * Otherwise this gives the level in
746 * the option stack at which info is
747 * cached. */
748 /*
749 * Information used by tkSelect.c to manage the selection.
750 */
751
752 struct TkSelHandler *selHandlerList;
753 /* First in list of handlers for
754 * returning the selection in various
755 * forms. */
756
757 /*
758 * Information used by tkGeometry.c for geometry management.
759 */
760
761 Tk_GeomMgr *geomMgrPtr; /* Information about geometry manager for
762 * this window. */
763 ClientData geomData; /* Argument for geometry manager procedures. */
764 int reqWidth, reqHeight; /* Arguments from last call to
765 * Tk_GeometryRequest, or 0's if
766 * Tk_GeometryRequest hasn't been
767 * called. */
768 int internalBorderWidth; /* Width of internal border of window
769 * (0 means no internal border). Geometry
770 * managers should not normally place children
771 * on top of the border. */
772
773 /*
774 * Information maintained by tkWm.c for window manager communication.
775 */
776
777 struct TkWmInfo *wmInfoPtr; /* For top-level windows (and also
778 * for special Unix menubar and wrapper
779 * windows), points to structure with
780 * wm-related info (see tkWm.c). For
781 * other windows, this is NULL. */
782
783 /*
784 * Information used by widget classes.
785 */
786
787 TkClassProcs *classProcsPtr;
788 ClientData instanceData;
789
790 /*
791 * Platform specific information private to each port.
792 */
793
794 struct TkWindowPrivate *privatePtr;
795 } TkWindow;
796
797 /*
798 * The following structure is used as a two way map between integers
799 * and strings, usually to map between an internal C representation
800 * and the strings used in Tcl.
801 */
802
803 typedef struct TkStateMap {
804 int numKey; /* Integer representation of a value. */
805 char *strKey; /* String representation of a value. */
806 } TkStateMap;
807
808 /*
809 * This structure is used by the Mac and Window porting layers as
810 * the internal representation of a clip_mask in a GC.
811 */
812
813 typedef struct TkpClipMask {
814 int type; /* One of TKP_CLIP_PIXMAP or TKP_CLIP_REGION */
815 union {
816 Pixmap pixmap;
817 TkRegion region;
818 } value;
819 } TkpClipMask;
820
821 #define TKP_CLIP_PIXMAP 0
822 #define TKP_CLIP_REGION 1
823
824 /*
825 * Pointer to first entry in list of all displays currently known.
826 */
827
828 extern TkDisplay *tkDisplayList;
829
830 /*
831 * Return values from TkGrabState:
832 */
833
834 #define TK_GRAB_NONE 0
835 #define TK_GRAB_IN_TREE 1
836 #define TK_GRAB_ANCESTOR 2
837 #define TK_GRAB_EXCLUDED 3
838
839 /*
840 * The macro below is used to modify a "char" value (e.g. by casting
841 * it to an unsigned character) so that it can be used safely with
842 * macros such as isspace.
843 */
844
845 #define UCHAR(c) ((unsigned char) (c))
846
847 /*
848 * The following symbol is used in the mode field of FocusIn events
849 * generated by an embedded application to request the input focus from
850 * its container.
851 */
852
853 #define EMBEDDED_APP_WANTS_FOCUS (NotifyNormal + 20)
854
855 /*
856 * The following special modifier mask bits are defined, to indicate
857 * logical modifiers such as Meta and Alt that may float among the
858 * actual modifier bits.
859 */
860
861 #define META_MASK (AnyModifier<<1)
862 #define ALT_MASK (AnyModifier<<2)
863
864 /*
865 * Miscellaneous variables shared among Tk modules but not exported
866 * to the outside world:
867 */
868
869 extern Tk_SmoothMethod tkBezierSmoothMethod;
870 extern Tk_ImageType tkBitmapImageType;
871 extern Tk_PhotoImageFormat tkImgFmtGIF;
872 extern void (*tkHandleEventProc) _ANSI_ARGS_((
873 XEvent* eventPtr));
874 extern Tk_PhotoImageFormat tkImgFmtPPM;
875 extern TkMainInfo *tkMainWindowList;
876 extern Tk_ImageType tkPhotoImageType;
877 extern Tcl_HashTable tkPredefBitmapTable;
878 extern int tkSendSerial;
879
880 #include "tkIntDecls.h"
881
882 #ifdef BUILD_tk
883 # undef TCL_STORAGE_CLASS
884 # define TCL_STORAGE_CLASS DLLEXPORT
885 #endif
886
887 /*
888 * Internal procedures shared among Tk modules but not exported
889 * to the outside world:
890 */
891
892 extern int Tk_AfterCmd _ANSI_ARGS_((ClientData clientData,
893 Tcl_Interp *interp, int argc, char **argv));
894 extern int Tk_BellObjCmd _ANSI_ARGS_((ClientData clientData,
895 Tcl_Interp *interp, int objc,
896 Tcl_Obj *CONST objv[]));
897 extern int Tk_BindCmd _ANSI_ARGS_((ClientData clientData,
898 Tcl_Interp *interp, int argc, char **argv));
899 extern int Tk_BindtagsCmd _ANSI_ARGS_((ClientData clientData,
900 Tcl_Interp *interp, int argc, char **argv));
901 extern int Tk_ButtonObjCmd _ANSI_ARGS_((ClientData clientData,
902 Tcl_Interp *interp, int objc,
903 Tcl_Obj *CONST objv[]));
904 extern int Tk_CanvasObjCmd _ANSI_ARGS_((ClientData clientData,
905 Tcl_Interp *interp, int argc, Tcl_Obj *CONST objv[]));
906 extern int Tk_CheckbuttonObjCmd _ANSI_ARGS_((ClientData clientData,
907 Tcl_Interp *interp, int objc,
908 Tcl_Obj *CONST objv[]));
909 extern int Tk_ClipboardCmd _ANSI_ARGS_((ClientData clientData,
910 Tcl_Interp *interp, int argc, char **argv));
911 extern int Tk_ChooseColorObjCmd _ANSI_ARGS_((
912 ClientData clientData, Tcl_Interp *interp,
913 int objc, Tcl_Obj *CONST objv[]));
914 extern int Tk_ChooseDirectoryObjCmd _ANSI_ARGS_((
915 ClientData clientData, Tcl_Interp *interp,
916 int objc, Tcl_Obj *CONST objv[]));
917 extern int Tk_ChooseFontObjCmd _ANSI_ARGS_((ClientData clientData,
918 Tcl_Interp *interp, int objc,
919 Tcl_Obj *CONST objv[]));
920 extern int Tk_DestroyObjCmd _ANSI_ARGS_((ClientData clientData,
921 Tcl_Interp *interp, int objc,
922 Tcl_Obj *CONST objv[]));
923 extern int Tk_EntryObjCmd _ANSI_ARGS_((ClientData clientData,
924 Tcl_Interp *interp, int objc,
925 Tcl_Obj *CONST objv[]));
926 extern int Tk_EventObjCmd _ANSI_ARGS_((ClientData clientData,
927 Tcl_Interp *interp, int objc,
928 Tcl_Obj *CONST objv[]));
929 extern int Tk_FileeventCmd _ANSI_ARGS_((ClientData clientData,
930 Tcl_Interp *interp, int argc, char **argv));
931 extern int Tk_FrameObjCmd _ANSI_ARGS_((ClientData clientData,
932 Tcl_Interp *interp, int objc,
933 Tcl_Obj *CONST objv[]));
934 extern int Tk_FocusObjCmd _ANSI_ARGS_((ClientData clientData,
935 Tcl_Interp *interp, int objc,
936 Tcl_Obj *CONST objv[]));
937 extern int Tk_FontObjCmd _ANSI_ARGS_((ClientData clientData,
938 Tcl_Interp *interp, int objc,
939 Tcl_Obj *CONST objv[]));
940 extern int Tk_GetOpenFileObjCmd _ANSI_ARGS_((ClientData clientData,
941 Tcl_Interp *interp, int objc,
942 Tcl_Obj *CONST objv[]));
943 extern int Tk_GetSaveFileObjCmd _ANSI_ARGS_((ClientData clientData,
944 Tcl_Interp *interp, int objc,
945 Tcl_Obj *CONST objv[]));
946 extern int Tk_GrabCmd _ANSI_ARGS_((ClientData clientData,
947 Tcl_Interp *interp, int argc, char **argv));
948 extern int Tk_GridCmd _ANSI_ARGS_((ClientData clientData,
949 Tcl_Interp *interp, int argc, char **argv));
950 extern int Tk_ImageObjCmd _ANSI_ARGS_((ClientData clientData,
951 Tcl_Interp *interp, int objc,
952 Tcl_Obj *CONST objv[]));
953 extern int Tk_LabelObjCmd _ANSI_ARGS_((ClientData clientData,
954 Tcl_Interp *interp, int objc,
955 Tcl_Obj *CONST objv[]));
956 extern int Tk_ListboxObjCmd _ANSI_ARGS_((ClientData clientData,
957 Tcl_Interp *interp, int objc,
958 Tcl_Obj *CONST objv[]));
959 extern int Tk_LowerObjCmd _ANSI_ARGS_((ClientData clientData,
960 Tcl_Interp *interp, int objc,
961 Tcl_Obj *CONST objv[]));
962 extern int Tk_MenubuttonObjCmd _ANSI_ARGS_((ClientData clientData,
963 Tcl_Interp *interp, int objc,
964 Tcl_Obj *CONST objv[]));
965 extern int Tk_MessageBoxObjCmd _ANSI_ARGS_((ClientData clientData,
966 Tcl_Interp *interp, int objc,
967 Tcl_Obj *CONST objv[]));
968 extern int Tk_MessageCmd _ANSI_ARGS_((ClientData clientData,
969 Tcl_Interp *interp, int argc, char **argv));
970 extern int Tk_OptionObjCmd _ANSI_ARGS_((ClientData clientData,
971 Tcl_Interp *interp, int objc,
972 Tcl_Obj *CONST objv[]));
973 extern int Tk_PackCmd _ANSI_ARGS_((ClientData clientData,
974 Tcl_Interp *interp, int argc, char **argv));
975 extern int Tk_PlaceCmd _ANSI_ARGS_((ClientData clientData,
976 Tcl_Interp *interp, int argc, char **argv));
977 extern int Tk_RadiobuttonObjCmd _ANSI_ARGS_((ClientData clientData,
978 Tcl_Interp *interp, int objc,
979 Tcl_Obj *CONST objv[]));
980 extern int Tk_RaiseObjCmd _ANSI_ARGS_((ClientData clientData,
981 Tcl_Interp *interp, int objc,
982 Tcl_Obj *CONST objv[]));
983 extern int Tk_ScaleObjCmd _ANSI_ARGS_((ClientData clientData,
984 Tcl_Interp *interp, int objc,
985 Tcl_Obj *CONST objv[]));
986 extern int Tk_ScrollbarCmd _ANSI_ARGS_((ClientData clientData,
987 Tcl_Interp *interp, int argc, char **argv));
988 extern int Tk_SelectionCmd _ANSI_ARGS_((ClientData clientData,
989 Tcl_Interp *interp, int argc, char **argv));
990 extern int Tk_SendCmd _ANSI_ARGS_((ClientData clientData,
991 Tcl_Interp *interp, int argc, char **argv));
992 extern int Tk_SendObjCmd _ANSI_ARGS_((ClientData clientData,
993 Tcl_Interp *interp, int objc,
994 Tcl_Obj *CONST objv[]));
995 extern int Tk_TextCmd _ANSI_ARGS_((ClientData clientData,
996 Tcl_Interp *interp, int argc, char **argv));
997 extern int Tk_TkObjCmd _ANSI_ARGS_((ClientData clientData,
998 Tcl_Interp *interp, int objc,
999 Tcl_Obj *CONST objv[]));
1000 extern int Tk_TkwaitCmd _ANSI_ARGS_((ClientData clientData,
1001 Tcl_Interp *interp, int argc, char **argv));
1002 extern int Tk_ToplevelObjCmd _ANSI_ARGS_((ClientData clientData,
1003 Tcl_Interp *interp, int objc,
1004 Tcl_Obj *CONST objv[]));
1005 extern int Tk_UpdateObjCmd _ANSI_ARGS_((ClientData clientData,
1006 Tcl_Interp *interp, int objc,
1007 Tcl_Obj *CONST objv[]));
1008 extern int Tk_WinfoObjCmd _ANSI_ARGS_((ClientData clientData,
1009 Tcl_Interp *interp, int objc,
1010 Tcl_Obj *CONST objv[]));
1011 extern int Tk_WmCmd _ANSI_ARGS_((ClientData clientData,
1012 Tcl_Interp *interp, int argc, char **argv));
1013
1014 void TkConsolePrint _ANSI_ARGS_((Tcl_Interp *interp,
1015 int devId, char *buffer, long size));
1016
1017 extern void TkEventInit _ANSI_ARGS_((void));
1018
1019 extern int TkCreateMenuCmd _ANSI_ARGS_((Tcl_Interp *interp));
1020 extern int TkDeadAppCmd _ANSI_ARGS_((ClientData clientData,
1021 Tcl_Interp *interp, int argc, char **argv));
1022
1023 extern int TkpTestembedCmd _ANSI_ARGS_((ClientData clientData,
1024 Tcl_Interp *interp, int argc, char **argv));
1025 extern int TkCanvasGetCoordObj _ANSI_ARGS_((Tcl_Interp *interp,
1026 Tk_Canvas canvas, Tcl_Obj *obj,
1027 double *doublePtr));
1028 extern int TkCanvasDashParseProc _ANSI_ARGS_((
1029 ClientData clientData, Tcl_Interp *interp,
1030 Tk_Window tkwin, CONST char *value, char *widgRec,
1031 int offset));
1032 extern char * TkCanvasDashPrintProc _ANSI_ARGS_((
1033 ClientData clientData, Tk_Window tkwin,
1034 char *widgRec, int offset,
1035 Tcl_FreeProc **freeProcPtr));
1036 extern int TkGetDoublePixels _ANSI_ARGS_((Tcl_Interp *interp,
1037 Tk_Window tkwin, CONST char *string,
1038 double *doublePtr));
1039 extern int TkOffsetParseProc _ANSI_ARGS_((
1040 ClientData clientData, Tcl_Interp *interp,
1041 Tk_Window tkwin, CONST char *value, char *widgRec,
1042 int offset));
1043 extern char * TkOffsetPrintProc _ANSI_ARGS_((
1044 ClientData clientData, Tk_Window tkwin,
1045 char *widgRec, int offset,
1046 Tcl_FreeProc **freeProcPtr));
1047 extern int TkOrientParseProc _ANSI_ARGS_((
1048 ClientData clientData, Tcl_Interp *interp,
1049 Tk_Window tkwin, CONST char *value,
1050 char *widgRec, int offset));
1051 extern char * TkOrientPrintProc _ANSI_ARGS_((
1052 ClientData clientData, Tk_Window tkwin,
1053 char *widgRec, int offset,
1054 Tcl_FreeProc **freeProcPtr));
1055 extern int TkPixelParseProc _ANSI_ARGS_((
1056 ClientData clientData, Tcl_Interp *interp,
1057 Tk_Window tkwin, CONST char *value, char *widgRec,
1058 int offset));
1059 extern char * TkPixelPrintProc _ANSI_ARGS_((
1060 ClientData clientData, Tk_Window tkwin,
1061 char *widgRec, int offset,
1062 Tcl_FreeProc **freeProcPtr));
1063 extern int TkPostscriptImage _ANSI_ARGS_((Tcl_Interp *interp,
1064 Tk_Window tkwin, Tk_PostscriptInfo psInfo,
1065 XImage *ximage, int x, int y, int width,
1066 int height));
1067 extern int TkSmoothParseProc _ANSI_ARGS_((ClientData clientData,
1068 Tcl_Interp *interp, Tk_Window tkwin,
1069 CONST char *value, char *recordPtr, int offset));
1070 extern char * TkSmoothPrintProc _ANSI_ARGS_((ClientData clientData,
1071 Tk_Window tkwin, char *recordPtr, int offset,
1072 Tcl_FreeProc **freeProcPtr));
1073 extern int TkStateParseProc _ANSI_ARGS_((
1074 ClientData clientData, Tcl_Interp *interp,
1075 Tk_Window tkwin, CONST char *value,
1076 char *widgRec, int offset));
1077 extern char * TkStatePrintProc _ANSI_ARGS_((
1078 ClientData clientData, Tk_Window tkwin,
1079 char *widgRec, int offset,
1080 Tcl_FreeProc **freeProcPtr));
1081 extern int TkTileParseProc _ANSI_ARGS_((
1082 ClientData clientData, Tcl_Interp *interp,
1083 Tk_Window tkwin, CONST char *value, char *widgRec,
1084 int offset));
1085 extern char * TkTilePrintProc _ANSI_ARGS_((
1086 ClientData clientData, Tk_Window tkwin,
1087 char *widgRec, int offset,
1088 Tcl_FreeProc **freeProcPtr));
1089
1090 /*
1091 * Unsupported commands.
1092 */
1093 extern int TkUnsupported1Cmd _ANSI_ARGS_((ClientData clientData,
1094 Tcl_Interp *interp, int argc, char **argv));
1095
1096 # undef TCL_STORAGE_CLASS
1097 # define TCL_STORAGE_CLASS DLLIMPORT
1098
1099 #endif /* _TKINT */
1100
1101 /* End of tkint.h */

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