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tkInt.h
/* * tkInt.h -- * * Declarations for things used internally by the Tk functions but not * exported outside the module. * * Copyright (c) 1990-1994 The Regents of the University of California. * Copyright (c) 1994-1997 Sun Microsystems, Inc. * Copyright (c) 1998 by Scriptics Corporation. * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #ifndef _TKINT #define _TKINT #ifndef _TKPORT #include "tkPort.h" #endif /* * Ensure WORDS_BIGENDIAN is defined correctly: * Needs to happen here in addition to configure to work with fat compiles on * Darwin (where configure runs only once for multiple architectures). */ #include <stdio.h> #ifdef HAVE_SYS_TYPES_H # include <sys/types.h> #endif #ifdef HAVE_SYS_PARAM_H # include <sys/param.h> #endif #ifdef BYTE_ORDER # ifdef BIG_ENDIAN # if BYTE_ORDER == BIG_ENDIAN # undef WORDS_BIGENDIAN # define WORDS_BIGENDIAN 1 # endif # endif # ifdef LITTLE_ENDIAN # if BYTE_ORDER == LITTLE_ENDIAN # undef WORDS_BIGENDIAN # endif # endif #endif /* * Used to tag functions that are only to be visible within the module being * built and not outside it (where this is supported by the linker). */ #ifndef MODULE_SCOPE # ifdef __cplusplus # define MODULE_SCOPE extern "C" # else # define MODULE_SCOPE extern # endif #endif /* * Macros used to cast between pointers and integers (e.g. when storing an int * in ClientData), on 64-bit architectures they avoid gcc warning about "cast * to/from pointer from/to integer of different size". */ #if !defined(INT2PTR) && !defined(PTR2INT) # if defined(HAVE_INTPTR_T) || defined(intptr_t) # define INT2PTR(p) ((void*)(intptr_t)(p)) # define PTR2INT(p) ((int)(intptr_t)(p)) # else # define INT2PTR(p) ((void*)(p)) # define PTR2INT(p) ((int)(p)) # endif #endif #if !defined(UINT2PTR) && !defined(PTR2UINT) # if defined(HAVE_UINTPTR_T) || defined(uintptr_t) # define UINT2PTR(p) ((void*)(uintptr_t)(p)) # define PTR2UINT(p) ((unsigned int)(uintptr_t)(p)) # else # define UINT2PTR(p) ((void*)(p)) # define PTR2UINT(p) ((unsigned int)(p)) # endif #endif #ifndef TCL_Z_MODIFIER # if defined(_WIN64) # define TCL_Z_MODIFIER "I" # elif defined(__GNUC__) && !defined(_WIN32) # define TCL_Z_MODIFIER "z" # else # define TCL_Z_MODIFIER "" # endif #endif /* !TCL_Z_MODIFIER */ /* * Opaque type declarations: */ typedef struct TkColormap TkColormap; typedef struct TkFontAttributes TkFontAttributes; typedef struct TkGrabEvent TkGrabEvent; typedef struct TkpCursor_ *TkpCursor; typedef struct TkRegion_ *TkRegion; typedef struct TkStressedCmap TkStressedCmap; typedef struct TkBindInfo_ *TkBindInfo; typedef struct Busy *TkBusy; /* * One of the following structures is maintained for each cursor in use in the * system. This structure is used by tkCursor.c and the various system- * specific cursor files. */ typedef struct TkCursor { Tk_Cursor cursor; /* System specific identifier for cursor. */ Display *display; /* Display containing cursor. Needed for * disposal and retrieval of cursors. */ int resourceRefCount; /* Number of active uses of this cursor (each * active use corresponds to a call to * Tk_AllocPreserveFromObj or Tk_Preserve). If * this count is 0, then this structure is no * longer valid and it isn't present in a hash * table: it is being kept around only because * there are objects referring to it. The * structure is freed when resourceRefCount * and objRefCount are both 0. */ int objRefCount; /* Number of Tcl objects that reference this * structure.. */ Tcl_HashTable *otherTable; /* Second table (other than idTable) used to * index this entry. */ Tcl_HashEntry *hashPtr; /* Entry in otherTable for this structure * (needed when deleting). */ Tcl_HashEntry *idHashPtr; /* Entry in idTable for this structure (needed * when deleting). */ struct TkCursor *nextPtr; /* Points to the next TkCursor structure with * the same name. Cursors with the same name * but different displays are chained together * off a single hash table entry. */ } TkCursor; /* * The following structure is kept one-per-TkDisplay to maintain information * about the caret (cursor location) on this display. This is used to dictate * global focus location (Windows Accessibility guidelines) and to position * the IME or XIM over-the-spot window. */ typedef struct TkCaret { struct TkWindow *winPtr; /* The window on which we requested caret * placement. */ int x; /* Relative x coord of the caret. */ int y; /* Relative y coord of the caret. */ int height; /* Specified height of the window. */ } TkCaret; /* * One of the following structures is maintained for each display containing a * window managed by Tk. In part, the structure is used to store thread- * specific data, since each thread will have its own TkDisplay structure. */ typedef struct TkDisplay { Display *display; /* Xlib's info about display. */ struct TkDisplay *nextPtr; /* Next in list of all displays. */ char *name; /* Name of display (with any screen identifier * removed). Malloc-ed. */ Time lastEventTime; /* Time of last event received for this * display. */ /* * Information used primarily by tk3d.c: */ int borderInit; /* 0 means borderTable needs initializing. */ Tcl_HashTable borderTable; /* Maps from color name to TkBorder * structure. */ /* * Information used by tkAtom.c only: */ int atomInit; /* 0 means stuff below hasn't been initialized * yet. */ Tcl_HashTable nameTable; /* Maps from names to Atom's. */ Tcl_HashTable atomTable; /* Maps from Atom's back to names. */ /* * Information used primarily by tkBind.c: */ int bindInfoStale; /* Non-zero means the variables in this part * of the structure are potentially incorrect * and should be recomputed. */ unsigned int modeModMask; /* Has one bit set to indicate the modifier * corresponding to "mode shift". If no such * modifier, than this is zero. */ unsigned int metaModMask; /* Has one bit set to indicate the modifier * corresponding to the "Meta" key. If no such * modifier, then this is zero. */ unsigned int altModMask; /* Has one bit set to indicate the modifier * corresponding to the "Meta" key. If no such * modifier, then this is zero. */ enum {LU_IGNORE, LU_CAPS, LU_SHIFT} lockUsage; /* Indicates how to interpret lock * modifier. */ int numModKeyCodes; /* Number of entries in modKeyCodes array * below. */ KeyCode *modKeyCodes; /* Pointer to an array giving keycodes for all * of the keys that have modifiers associated * with them. Malloc'ed, but may be NULL. */ /* * Information used by tkBitmap.c only: */ int bitmapInit; /* 0 means tables above need initializing. */ int bitmapAutoNumber; /* Used to number bitmaps. */ Tcl_HashTable bitmapNameTable; /* Maps from name of bitmap to the first * TkBitmap record for that name. */ Tcl_HashTable bitmapIdTable;/* Maps from bitmap id to the TkBitmap * structure for the bitmap. */ Tcl_HashTable bitmapDataTable; /* Used by Tk_GetBitmapFromData to map from a * collection of in-core data about a bitmap * to a reference giving an automatically- * generated name for the bitmap. */ /* * Information used by tkCanvas.c only: */ int numIdSearches; int numSlowSearches; /* * Used by tkColor.c only: */ int colorInit; /* 0 means color module needs initializing. */ TkStressedCmap *stressPtr; /* First in list of colormaps that have filled * up, so we have to pick an approximate * color. */ Tcl_HashTable colorNameTable; /* Maps from color name to TkColor structure * for that color. */ Tcl_HashTable colorValueTable; /* Maps from integer RGB values to TkColor * structures. */ /* * Used by tkCursor.c only: */ int cursorInit; /* 0 means cursor module need initializing. */ Tcl_HashTable cursorNameTable; /* Maps from a string name to a cursor to the * TkCursor record for the cursor. */ Tcl_HashTable cursorDataTable; /* Maps from a collection of in-core data * about a cursor to a TkCursor structure. */ Tcl_HashTable cursorIdTable; /* Maps from a cursor id to the TkCursor * structure for the cursor. */ char cursorString[20]; /* Used to store a cursor id string. */ Font cursorFont; /* Font to use for standard cursors. None * means font not loaded yet. */ /* * Information used by tkError.c only: */ struct TkErrorHandler *errorPtr; /* First in list of error handlers for this * display. NULL means no handlers exist at * present. */ int deleteCount; /* Counts # of handlers deleted since last * time inactive handlers were garbage- * collected. When this number gets big, * handlers get cleaned up. */ /* * Used by tkEvent.c only: */ struct TkWindowEvent *delayedMotionPtr; /* Points to a malloc-ed motion event whose * processing has been delayed in the hopes * that another motion event will come along * right away and we can merge the two of them * together. NULL means that there is no * delayed motion event. */ /* * Information used by tkFocus.c only: */ int focusDebug; /* 1 means collect focus debugging * statistics. */ struct TkWindow *implicitWinPtr; /* If the focus arrived at a toplevel window * implicitly via an Enter event (rather than * via a FocusIn event), this points to the * toplevel window. Otherwise it is NULL. */ struct TkWindow *focusPtr; /* Points to the window on this display that * should be receiving keyboard events. When * multiple applications on the display have * the focus, this will refer to the innermost * window in the innermost application. This * information isn't used on Windows, but it's * needed on the Mac, and also on X11 when XIM * processing is being done. */ /* * Information used by tkGC.c only: */ Tcl_HashTable gcValueTable; /* Maps from a GC's values to a TkGC structure * describing a GC with those values. */ Tcl_HashTable gcIdTable; /* Maps from a GC to a TkGC. */ int gcInit; /* 0 means the tables below need * initializing. */ /* * Information used by tkGeometry.c only: */ Tcl_HashTable maintainHashTable; /* Hash table that maps from a master's * Tk_Window token to a list of slaves managed * by that master. */ int geomInit; #define TkGetGeomMaster(tkwin) (((TkWindow *)tkwin)->maintainerPtr != NULL ? \ ((TkWindow *)tkwin)->maintainerPtr : ((TkWindow *)tkwin)->parentPtr) /* * Information used by tkGet.c only: */ Tcl_HashTable uidTable; /* Stores all Tk_Uid used in a thread. */ int uidInit; /* 0 means uidTable needs initializing. */ /* * Information used by tkGrab.c only: */ struct TkWindow *grabWinPtr;/* Window in which the pointer is currently * grabbed, or NULL if none. */ struct TkWindow *eventualGrabWinPtr; /* Value that grabWinPtr will have once the * grab event queue (below) has been * completely emptied. */ struct TkWindow *buttonWinPtr; /* Window in which first mouse button was * pressed while grab was in effect, or NULL * if no such press in effect. */ struct TkWindow *serverWinPtr; /* If no application contains the pointer then * this is NULL. Otherwise it contains the * last window for which we've gotten an Enter * or Leave event from the server (i.e. the * last window known to have contained the * pointer). Doesn't reflect events that were * synthesized in tkGrab.c. */ TkGrabEvent *firstGrabEventPtr; /* First in list of enter/leave events * synthesized by grab code. These events must * be processed in order before any other * events are processed. NULL means no such * events. */ TkGrabEvent *lastGrabEventPtr; /* Last in list of synthesized events, or NULL * if list is empty. */ int grabFlags; /* Miscellaneous flag values. See definitions * in tkGrab.c. */ /* * Information used by tkGrid.c only: */ int gridInit; /* 0 means table below needs initializing. */ Tcl_HashTable gridHashTable;/* Maps from Tk_Window tokens to corresponding * Grid structures. */ /* * Information used by tkImage.c only: */ int imageId; /* Value used to number image ids. */ /* * Information used by tkMacWinMenu.c only: */ int postCommandGeneration; /* * Information used by tkPack.c only. */ int packInit; /* 0 means table below needs initializing. */ Tcl_HashTable packerHashTable; /* Maps from Tk_Window tokens to corresponding * Packer structures. */ /* * Information used by tkPlace.c only. */ int placeInit; /* 0 means tables below need initializing. */ Tcl_HashTable masterTable; /* Maps from Tk_Window toke to the Master * structure for the window, if it exists. */ Tcl_HashTable slaveTable; /* Maps from Tk_Window toke to the Slave * structure for the window, if it exists. */ /* * Information used by tkSelect.c and tkClipboard.c only: */ struct TkSelectionInfo *selectionInfoPtr; /* First in list of selection information * records. Each entry contains information * about the current owner of a particular * selection on this display. */ Atom multipleAtom; /* Atom for MULTIPLE. None means selection * stuff isn't initialized. */ Atom incrAtom; /* Atom for INCR. */ Atom targetsAtom; /* Atom for TARGETS. */ Atom timestampAtom; /* Atom for TIMESTAMP. */ Atom textAtom; /* Atom for TEXT. */ Atom compoundTextAtom; /* Atom for COMPOUND_TEXT. */ Atom applicationAtom; /* Atom for TK_APPLICATION. */ Atom windowAtom; /* Atom for TK_WINDOW. */ Atom clipboardAtom; /* Atom for CLIPBOARD. */ Atom utf8Atom; /* Atom for UTF8_STRING. */ Atom atomPairAtom; /* Atom for ATOM_PAIR. */ Tk_Window clipWindow; /* Window used for clipboard ownership and to * retrieve selections between processes. NULL * means clipboard info hasn't been * initialized. */ int clipboardActive; /* 1 means we currently own the clipboard * selection, 0 means we don't. */ struct TkMainInfo *clipboardAppPtr; /* Last application that owned clipboard. */ struct TkClipboardTarget *clipTargetPtr; /* First in list of clipboard type information * records. Each entry contains information * about the buffers for a given selection * target. */ /* * Information used by tkSend.c only: */ Tk_Window commTkwin; /* Window used for communication between * interpreters during "send" commands. NULL * means send info hasn't been initialized * yet. */ Atom commProperty; /* X's name for comm property. */ Atom registryProperty; /* X's name for property containing registry * of interpreter names. */ Atom appNameProperty; /* X's name for property used to hold the * application name on each comm window. */ /* * Information used by tkUnixWm.c and tkWinWm.c only: */ struct TkWmInfo *firstWmPtr;/* Points to first top-level window. */ struct TkWmInfo *foregroundWmPtr; /* Points to the foreground window. */ /* * Information used by tkVisual.c only: */ TkColormap *cmapPtr; /* First in list of all non-default colormaps * allocated for this display. */ /* * Miscellaneous information: */ #ifdef TK_USE_INPUT_METHODS XIM inputMethod; /* Input method for this display. */ XIMStyle inputStyle; /* Input style selected for this display. */ XFontSet inputXfs; /* XFontSet cached for over-the-spot XIM. */ #endif /* TK_USE_INPUT_METHODS */ Tcl_HashTable winTable; /* Maps from X window ids to TkWindow ptrs. */ int refCount; /* Reference count of how many Tk applications * are using this display. Used to clean up * the display when we no longer have any Tk * applications using it. */ /* * The following field were all added for Tk8.3 */ int mouseButtonState; /* Current mouse button state for this * display. NOT USED as of 8.6.10 */ Window mouseButtonWindow; /* Window the button state was set in, added * in Tk 8.4. */ Tk_Window warpWindow; Tk_Window warpMainwin; /* For finding the root window for warping * purposes. */ int warpX; int warpY; /* * The following field(s) were all added for Tk8.4 */ unsigned int flags; /* Various flag values: these are all defined * in below. */ TkCaret caret; /* Information about the caret for this * display. This is not a pointer. */ int iconDataSize; /* Size of default iconphoto image data. */ unsigned char *iconDataPtr; /* Default iconphoto image data, if set. */ #ifdef TK_USE_INPUT_METHODS int ximGeneration; /* Used to invalidate XIC */ #endif /* TK_USE_INPUT_METHODS */ } TkDisplay; /* * Flag values for TkDisplay flags. * TK_DISPLAY_COLLAPSE_MOTION_EVENTS: (default on) * Indicates that we should collapse motion events on this display * TK_DISPLAY_USE_IM: (default on, set via tk.tcl) * Whether to use input methods for this display * TK_DISPLAY_WM_TRACING: (default off) * Whether we should do wm tracing on this display. * TK_DISPLAY_IN_WARP: (default off) * Indicates that we are in a pointer warp */ #define TK_DISPLAY_COLLAPSE_MOTION_EVENTS (1 << 0) #define TK_DISPLAY_USE_IM (1 << 1) #define TK_DISPLAY_WM_TRACING (1 << 3) #define TK_DISPLAY_IN_WARP (1 << 4) #define TK_DISPLAY_USE_XKB (1 << 5) /* * One of the following structures exists for each error handler created by a * call to Tk_CreateErrorHandler. The structure is managed by tkError.c. */ typedef struct TkErrorHandler { TkDisplay *dispPtr; /* Display to which handler applies. */ unsigned long firstRequest; /* Only errors with serial numbers >= to this * are considered. */ unsigned long lastRequest; /* Only errors with serial numbers <= to this * are considered. This field is filled in * when XUnhandle is called. -1 means * XUnhandle hasn't been called yet. */ int error; /* Consider only errors with this error_code * (-1 means consider all errors). */ int request; /* Consider only errors with this major * request code (-1 means consider all major * codes). */ int minorCode; /* Consider only errors with this minor * request code (-1 means consider all minor * codes). */ Tk_ErrorProc *errorProc; /* Function to invoke when a matching error * occurs. NULL means just ignore errors. */ ClientData clientData; /* Arbitrary value to pass to errorProc. */ struct TkErrorHandler *nextPtr; /* Pointer to next older handler for this * display, or NULL for end of list. */ } TkErrorHandler; /* * One of the following structures exists for each event handler created by * calling Tk_CreateEventHandler. This information is used by tkEvent.c only. */ typedef struct TkEventHandler { unsigned long mask; /* Events for which to invoke proc. */ Tk_EventProc *proc; /* Function to invoke when an event in mask * occurs. */ ClientData clientData; /* Argument to pass to proc. */ struct TkEventHandler *nextPtr; /* Next in list of handlers associated with * window (NULL means end of list). */ } TkEventHandler; /* * Tk keeps one of the following data structures for each main window (created * by a call to TkCreateMainWindow). It stores information that is shared by * all of the windows associated with a particular main window. */ typedef struct TkMainInfo { int refCount; /* Number of windows whose "mainPtr" fields * point here. When this becomes zero, can * free up the structure (the reference count * is zero because windows can get deleted in * almost any order; the main window isn't * necessarily the last one deleted). */ struct TkWindow *winPtr; /* Pointer to main window. */ Tcl_Interp *interp; /* Interpreter associated with application. */ Tcl_HashTable nameTable; /* Hash table mapping path names to TkWindow * structs for all windows related to this * main window. Managed by tkWindow.c. */ long deletionEpoch; /* Incremented by window deletions. */ Tk_BindingTable bindingTable; /* Used in conjunction with "bind" command to * bind events to Tcl commands. */ TkBindInfo bindInfo; /* Information used by tkBind.c on a per * application basis. */ struct TkFontInfo *fontInfoPtr; /* Information used by tkFont.c on a per * application basis. */ /* * Information used only by tkFocus.c and tk*Embed.c: */ struct TkToplevelFocusInfo *tlFocusPtr; /* First in list of records containing focus * information for each top-level in the * application. Used only by tkFocus.c. */ struct TkDisplayFocusInfo *displayFocusPtr; /* First in list of records containing focus * information for each display that this * application has ever used. Used only by * tkFocus.c. */ struct ElArray *optionRootPtr; /* Top level of option hierarchy for this main * window. NULL means uninitialized. Managed * by tkOption.c. */ Tcl_HashTable imageTable; /* Maps from image names to Tk_ImageMaster * structures. Managed by tkImage.c. */ int strictMotif; /* This is linked to the tk_strictMotif global * variable. */ int alwaysShowSelection; /* This is linked to the * ::tk::AlwaysShowSelection variable. */ struct TkMainInfo *nextPtr; /* Next in list of all main windows managed by * this process. */ Tcl_HashTable busyTable; /* Information used by [tk busy] command. */ } TkMainInfo; /* * Tk keeps the following data structure for each of it's builtin bitmaps. * This structure is only used by tkBitmap.c and other platform specific * bitmap files. */ typedef struct { const void *source; /* Bits for bitmap. */ int width, height; /* Dimensions of bitmap. */ int native; /* 0 means generic (X style) bitmap, 1 means * native style bitmap. */ } TkPredefBitmap; /* * Tk keeps one of the following structures for each window. Some of the * information (like size and location) is a shadow of information managed by * the X server, and some is special information used here, such as event and * geometry management information. This information is (mostly) managed by * tkWindow.c. WARNING: the declaration below must be kept consistent with the * Tk_FakeWin structure in tk.h. If you change one, be sure to change the * other! */ typedef struct TkWindow { /* * Structural information: */ Display *display; /* Display containing window. */ TkDisplay *dispPtr; /* Tk's information about display for * window. */ int screenNum; /* Index of screen for window, among all those * for dispPtr. */ Visual *visual; /* Visual to use for window. If not default, * MUST be set before X window is created. */ int depth; /* Number of bits/pixel. */ Window window; /* X's id for window. NULL means window hasn't * actually been created yet, or it's been * deleted. */ struct TkWindow *childList; /* First in list of child windows, or NULL if * no children. List is in stacking order, * lowest window first.*/ struct TkWindow *lastChildPtr; /* Last in list of child windows (highest in * stacking order), or NULL if no children. */ struct TkWindow *parentPtr; /* Pointer to parent window (logical parent, * not necessarily X parent). NULL means * either this is the main window, or the * window's parent has already been deleted. */ struct TkWindow *nextPtr; /* Next higher sibling (in stacking order) in * list of children with same parent. NULL * means end of list. */ TkMainInfo *mainPtr; /* Information shared by all windows * associated with a particular main window. * NULL means this window is a rogue that is * not associated with any application (at * present, this only happens for the dummy * windows used for "send" communication). */ /* * Name and type information for the window: */ char *pathName; /* Path name of window (concatenation of all * names between this window and its top-level * ancestor). This is a pointer into an entry * in mainPtr->nameTable. NULL means that the * window hasn't been completely created * yet. */ Tk_Uid nameUid; /* Name of the window within its parent * (unique within the parent). */ Tk_Uid classUid; /* Class of the window. NULL means window * hasn't been given a class yet. */ /* * Geometry and other attributes of window. This information may not be * updated on the server immediately; stuff that hasn't been reflected in * the server yet is called "dirty". At present, information can be dirty * only if the window hasn't yet been created. */ XWindowChanges changes; /* Geometry and other info about window. */ unsigned int dirtyChanges; /* Bits indicate fields of "changes" that are * dirty. */ XSetWindowAttributes atts; /* Current attributes of window. */ unsigned long dirtyAtts; /* Bits indicate fields of "atts" that are * dirty. */ unsigned int flags; /* Various flag values: these are all defined * in tk.h (confusing, but they're needed * there for some query macros). */ /* * Information kept by the event manager (tkEvent.c): */ TkEventHandler *handlerList;/* First in list of event handlers declared * for this window, or NULL if none. */ #ifdef TK_USE_INPUT_METHODS XIC inputContext; /* XIM input context. */ #endif /* TK_USE_INPUT_METHODS */ /* * Information used for event bindings (see "bind" and "bindtags" commands * in tkCmds.c): */ ClientData *tagPtr; /* Points to array of tags used for bindings * on this window. Each tag is a Tk_Uid. * Malloc'ed. NULL means no tags. */ int numTags; /* Number of tags at *tagPtr. */ /* * Information used by tkOption.c to manage options for the window. */ int optionLevel; /* -1 means no option information is currently * cached for this window. Otherwise this * gives the level in the option stack at * which info is cached. */ /* * Information used by tkSelect.c to manage the selection. */ struct TkSelHandler *selHandlerList; /* First in list of handlers for returning the * selection in various forms. */ /* * Information used by tkGeometry.c for geometry management. */ const Tk_GeomMgr *geomMgrPtr; /* Information about geometry manager for this * window. */ ClientData geomData; /* Argument for geometry manager functions. */ int reqWidth, reqHeight; /* Arguments from last call to * Tk_GeometryRequest, or 0's if * Tk_GeometryRequest hasn't been called. */ int internalBorderLeft; /* Width of internal border of window (0 means * no internal border). Geometry managers * should not normally place children on top * of the border. Fields for the other three * sides are found below. */ /* * Information maintained by tkWm.c for window manager communication. */ struct TkWmInfo *wmInfoPtr; /* For top-level windows (and also for special * Unix menubar and wrapper windows), points * to structure with wm-related info (see * tkWm.c). For other windows, this is * NULL. */ /* * Information used by widget classes. */ const Tk_ClassProcs *classProcsPtr; ClientData instanceData; /* * Platform specific information private to each port. */ struct TkWindowPrivate *privatePtr; /* * More information used by tkGeometry.c for geometry management. */ /* The remaining fields of internal border. */ int internalBorderRight; int internalBorderTop; int internalBorderBottom; int minReqWidth; /* Minimum requested width. */ int minReqHeight; /* Minimum requested height. */ #ifdef TK_USE_INPUT_METHODS int ximGeneration; /* Used to invalidate XIC */ #endif /* TK_USE_INPUT_METHODS */ char *geomMgrName; /* Records the name of the geometry manager. */ struct TkWindow *maintainerPtr; /* The geometry master for this window. The * value is NULL if the window has no master or * if its master is its parent. */ } TkWindow; /* * Real definition of some events. Note that these events come from outside * but have internally generated pieces added to them. */ typedef struct { XKeyEvent keyEvent; /* The real event from X11. */ char *charValuePtr; /* A pointer to a string that holds the key's * %A substitution text (before backslash * adding), or NULL if that has not been * computed yet. If non-NULL, this string was * allocated with ckalloc(). */ int charValueLen; /* Length of string in charValuePtr when that * is non-NULL. */ KeySym keysym; /* Key symbol computed after input methods * have been invoked */ } TkKeyEvent; /* * Flags passed to TkpMakeMenuWindow's 'transient' argument. */ #define TK_MAKE_MENU_TEAROFF 0 /* Only non-transient case. */ #define TK_MAKE_MENU_POPUP 1 #define TK_MAKE_MENU_DROPDOWN 2 /* * The following structure is used with TkMakeEnsemble to create ensemble * commands and optionally to create sub-ensembles. */ typedef struct TkEnsemble { const char *name; Tcl_ObjCmdProc *proc; const struct TkEnsemble *subensemble; } TkEnsemble; /* * The following structure is used as a two way map between integers and * strings, usually to map between an internal C representation and the * strings used in Tcl. */ typedef struct TkStateMap { int numKey; /* Integer representation of a value. */ const char *strKey; /* String representation of a value. */ } TkStateMap; /* * This structure is used by the Mac and Window porting layers as the internal * representation of a clip_mask in a GC. */ typedef struct TkpClipMask { int type; /* TKP_CLIP_PIXMAP or TKP_CLIP_REGION. */ union { Pixmap pixmap; TkRegion region; } value; } TkpClipMask; #define TKP_CLIP_PIXMAP 0 #define TKP_CLIP_REGION 1 /* * Return values from TkGrabState: */ #define TK_GRAB_NONE 0 #define TK_GRAB_IN_TREE 1 #define TK_GRAB_ANCESTOR 2 #define TK_GRAB_EXCLUDED 3 /* * Additional flag for TkpMeasureCharsInContext. Coordinate with other flags * for this routine, but don't make public until TkpMeasureCharsInContext is * made public, too. */ #define TK_ISOLATE_END 32 /* * The macro below is used to modify a "char" value (e.g. by casting it to an * unsigned character) so that it can be used safely with macros such as * isspace(). */ #define UCHAR(c) ((unsigned char) (c)) /* * The following symbol is used in the mode field of FocusIn events generated * by an embedded application to request the input focus from its container. */ #define EMBEDDED_APP_WANTS_FOCUS (NotifyNormal + 20) /* * The following special modifier mask bits are defined, to indicate logical * modifiers such as Meta and Alt that may float among the actual modifier * bits. */ #define META_MASK (AnyModifier<<1) #define ALT_MASK (AnyModifier<<2) #define EXTENDED_MASK (AnyModifier<<3) /* * Mask that selects any of the state bits corresponding to buttons, plus * masks that select individual buttons' bits: */ #define ALL_BUTTONS \ (Button1Mask|Button2Mask|Button3Mask|Button4Mask|Button5Mask) MODULE_SCOPE unsigned long TkGetButtonMask(unsigned int); /* * Object types not declared in tkObj.c need to be mentioned here so they can * be properly registered with Tcl: */ MODULE_SCOPE const Tcl_ObjType tkBorderObjType; MODULE_SCOPE const Tcl_ObjType tkBitmapObjType; MODULE_SCOPE const Tcl_ObjType tkColorObjType; MODULE_SCOPE const Tcl_ObjType tkCursorObjType; MODULE_SCOPE const Tcl_ObjType tkFontObjType; MODULE_SCOPE const Tcl_ObjType tkStateKeyObjType; MODULE_SCOPE const Tcl_ObjType tkTextIndexType; /* * Miscellaneous variables shared among Tk modules but not exported to the * outside world: */ MODULE_SCOPE const Tk_SmoothMethod tkBezierSmoothMethod; MODULE_SCOPE Tk_ImageType tkBitmapImageType; MODULE_SCOPE Tk_PhotoImageFormat tkImgFmtGIF; MODULE_SCOPE void (*tkHandleEventProc) (XEvent* eventPtr); MODULE_SCOPE Tk_PhotoImageFormat tkImgFmtPNG; MODULE_SCOPE Tk_PhotoImageFormat tkImgFmtPPM; MODULE_SCOPE TkMainInfo *tkMainWindowList; MODULE_SCOPE Tk_ImageType tkPhotoImageType; MODULE_SCOPE Tcl_HashTable tkPredefBitmapTable; MODULE_SCOPE const char *const tkWebColors[20]; /* * The definition of pi, at least from the perspective of double-precision * floats. */ #ifndef PI #ifdef M_PI #define PI M_PI #else #define PI 3.14159265358979323846 #endif #endif /* * Support for Clang Static Analyzer <http://clang-analyzer.llvm.org> */ #if defined(PURIFY) && defined(__clang__) #if __has_feature(attribute_analyzer_noreturn) && \ !defined(Tcl_Panic) && defined(Tcl_Panic_TCL_DECLARED) void Tcl_Panic(const char *, ...) __attribute__((analyzer_noreturn)); #endif #if !defined(CLANG_ASSERT) #define CLANG_ASSERT(x) assert(x) #endif #elif !defined(CLANG_ASSERT) #define CLANG_ASSERT(x) #endif /* PURIFY && __clang__ */ /* * The following magic value is stored in the "send_event" field of FocusIn * and FocusOut events. This allows us to separate "real" events coming from * the server from those that we generated. */ #define GENERATED_FOCUS_EVENT_MAGIC ((Bool) 0x547321ac) /* * Exported internals. */ #include "tkIntDecls.h" /* * Themed widget set init function: */ MODULE_SCOPE int Ttk_Init(Tcl_Interp *interp); /* * Internal functions shared among Tk modules but not exported to the outside * world: */ MODULE_SCOPE int Tk_BellObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_BindObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_BindtagsObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_BusyObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_ButtonObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_CanvasObjCmd(ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_CheckbuttonObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_ClipboardObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_ChooseColorObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_ChooseDirectoryObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_DestroyObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_EntryObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_EventObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_FrameObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_FocusObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_FontObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_GetOpenFileObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_GetSaveFileObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_GrabObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_GridObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_ImageObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_LabelObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_LabelframeObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_ListboxObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_LowerObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_MenuObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_MenubuttonObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_MessageBoxObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_MessageObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_PanedWindowObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_OptionObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_PackObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_PlaceObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_RadiobuttonObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_RaiseObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_ScaleObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_ScrollbarObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_SelectionObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_SendObjCmd(ClientData clientData, Tcl_Interp *interp,int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_SendObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_SpinboxObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_TextObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_TkwaitObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_ToplevelObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_UpdateObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_WinfoObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_WmObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); MODULE_SCOPE int Tk_GetDoublePixelsFromObj(Tcl_Interp *interp, Tk_Window tkwin, Tcl_Obj *objPtr, double *doublePtr); MODULE_SCOPE int TkSetGeometryMaster(Tcl_Interp *interp, Tk_Window tkwin, const char *master); MODULE_SCOPE void TkFreeGeometryMaster(Tk_Window tkwin, const char *master); MODULE_SCOPE void TkEventInit(void); MODULE_SCOPE void TkRegisterObjTypes(void); MODULE_SCOPE int TkDeadAppObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const argv[]); MODULE_SCOPE int TkCanvasGetCoordObj(Tcl_Interp *interp, Tk_Canvas canvas, Tcl_Obj *obj, double *doublePtr); MODULE_SCOPE int TkGetDoublePixels(Tcl_Interp *interp, Tk_Window tkwin, const char *string, double *doublePtr); MODULE_SCOPE int TkPostscriptImage(Tcl_Interp *interp, Tk_Window tkwin, Tk_PostscriptInfo psInfo, XImage *ximage, int x, int y, int width, int height); MODULE_SCOPE void TkMapTopFrame(Tk_Window tkwin); MODULE_SCOPE XEvent * TkpGetBindingXEvent(Tcl_Interp *interp); MODULE_SCOPE void TkCreateExitHandler(Tcl_ExitProc *proc, ClientData clientData); MODULE_SCOPE void TkDeleteExitHandler(Tcl_ExitProc *proc, ClientData clientData); MODULE_SCOPE Tcl_ExitProc TkFinalize; MODULE_SCOPE Tcl_ExitProc TkFinalizeThread; MODULE_SCOPE void TkpBuildRegionFromAlphaData(TkRegion region, unsigned x, unsigned y, unsigned width, unsigned height, unsigned char *dataPtr, unsigned pixelStride, unsigned lineStride); MODULE_SCOPE void TkAppendPadAmount(Tcl_Obj *bufferObj, const char *buffer, int pad1, int pad2); MODULE_SCOPE int TkParsePadAmount(Tcl_Interp *interp, Tk_Window tkwin, Tcl_Obj *objPtr, int *pad1Ptr, int *pad2Ptr); MODULE_SCOPE void TkFocusSplit(TkWindow *winPtr); MODULE_SCOPE void TkFocusJoin(TkWindow *winPtr); MODULE_SCOPE int TkpAlwaysShowSelection(Tk_Window tkwin); MODULE_SCOPE void TkpDrawCharsInContext(Display * display, Drawable drawable, GC gc, Tk_Font tkfont, const char *source, int numBytes, int rangeStart, int rangeLength, int x, int y); MODULE_SCOPE int TkpMeasureCharsInContext(Tk_Font tkfont, const char *source, int numBytes, int rangeStart, int rangeLength, int maxLength, int flags, int *lengthPtr); MODULE_SCOPE void TkUnderlineCharsInContext(Display *display, Drawable drawable, GC gc, Tk_Font tkfont, const char *string, int numBytes, int x, int y, int firstByte, int lastByte); MODULE_SCOPE void TkpGetFontAttrsForChar(Tk_Window tkwin, Tk_Font tkfont, int c, struct TkFontAttributes *faPtr); MODULE_SCOPE Tcl_Obj * TkNewWindowObj(Tk_Window tkwin); MODULE_SCOPE void TkpShowBusyWindow(TkBusy busy); MODULE_SCOPE void TkpHideBusyWindow(TkBusy busy); MODULE_SCOPE void TkpMakeTransparentWindowExist(Tk_Window tkwin, Window parent); MODULE_SCOPE void TkpCreateBusy(Tk_FakeWin *winPtr, Tk_Window tkRef, Window *parentPtr, Tk_Window tkParent, TkBusy busy); MODULE_SCOPE int TkBackgroundEvalObjv(Tcl_Interp *interp, int objc, Tcl_Obj *const *objv, int flags); MODULE_SCOPE void TkSendVirtualEvent(Tk_Window tgtWin, const char *eventName, Tcl_Obj *detail); MODULE_SCOPE Tcl_Command TkMakeEnsemble(Tcl_Interp *interp, const char *nsname, const char *name, ClientData clientData, const TkEnsemble *map); MODULE_SCOPE int TkInitTkCmd(Tcl_Interp *interp, ClientData clientData); MODULE_SCOPE int TkInitFontchooser(Tcl_Interp *interp, ClientData clientData); MODULE_SCOPE void TkpWarpPointer(TkDisplay *dispPtr); MODULE_SCOPE void TkpCancelWarp(TkDisplay *dispPtr); MODULE_SCOPE int TkListCreateFrame(ClientData clientData, Tcl_Interp *interp, Tcl_Obj *listObj, int toplevel, Tcl_Obj *nameObj); #ifdef _WIN32 #define TkParseColor XParseColor #else MODULE_SCOPE Status TkParseColor (Display * display, Colormap map, const char* spec, XColor * colorPtr); #endif #ifdef HAVE_XFT MODULE_SCOPE void TkUnixSetXftClipRegion(TkRegion clipRegion); #endif #if !defined(__cplusplus) && !defined(c_plusplus) # define c_class class #endif #if TCL_UTF_MAX > 4 # define TkUtfToUniChar Tcl_UtfToUniChar # define TkUniCharToUtf Tcl_UniCharToUtf #else MODULE_SCOPE int TkUtfToUniChar(const char *, int *); MODULE_SCOPE int TkUniCharToUtf(int, char *); #endif /* * Unsupported commands. */ MODULE_SCOPE int TkUnsupported1ObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); /* * For Tktest. */ MODULE_SCOPE int SquareObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj * const objv[]); MODULE_SCOPE int TkOldTestInit(Tcl_Interp *interp); #if !(defined(_WIN32) || defined(MAC_OSX_TK)) #define TkplatformtestInit(x) TCL_OK #else MODULE_SCOPE int TkplatformtestInit(Tcl_Interp *interp); #endif #endif /* _TKINT */ /* * Local Variables: * mode: c * c-basic-offset: 4 * fill-column: 78 * End: */