diff options
Diffstat (limited to 'generic/tkUndo.h')
| -rw-r--r-- | generic/tkUndo.h | 246 |
1 files changed, 123 insertions, 123 deletions
diff --git a/generic/tkUndo.h b/generic/tkUndo.h index c4c83a4..06f0d8b 100644 --- a/generic/tkUndo.h +++ b/generic/tkUndo.h @@ -1,123 +1,123 @@ -/*
- * tkUndo.h --
- *
- * Declarations shared among the files that implement an undo stack.
- *
- * Copyright (c) 2002 Ludwig Callewaert.
- *
- * See the file "license.terms" for information on usage and redistribution of
- * this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- * RCS: @(#) $Id: tkUndo.h,v 1.6 2007/06/24 16:07:35 dkf Exp $
- */
-
-#ifndef _TKUNDO
-#define _TKUNDO
-
-#ifndef _TKINT
-#include "tkInt.h"
-#endif
-
-#ifdef BUILD_tk
-# undef TCL_STORAGE_CLASS
-# define TCL_STORAGE_CLASS DLLEXPORT
-#endif
-
-/*
- * Enum definining the types used in an undo stack.
- */
-
-typedef enum {
- TK_UNDO_SEPARATOR, /* Marker */
- TK_UNDO_ACTION /* Command */
-} TkUndoAtomType;
-
-/*
- * Callback proc type to carry out an undo or redo action via C code. (Actions
- * can also be defined by Tcl scripts).
- */
-
-typedef int (TkUndoProc)(Tcl_Interp *interp, ClientData clientData,
- Tcl_Obj *objPtr);
-
-/*
- * Struct defining a single action, one or more of which may be defined (and
- * stored in a linked list) separately for each undo and redo action of an
- * undo atom.
- */
-
-typedef struct TkUndoSubAtom {
- Tcl_Command command; /* Tcl token used to get the current Tcl
- * command name which will be used to execute
- * apply/revert scripts. If NULL then it is
- * assumed the apply/revert scripts already
- * contain everything. */
- TkUndoProc *funcPtr; /* Function pointer for callback to perform
- * undo/redo actions. */
- ClientData clientData; /* Data for 'funcPtr'. */
- Tcl_Obj *action; /* Command to apply the action that was
- * taken. */
- struct TkUndoSubAtom *next; /* Pointer to the next element in the linked
- * list. */
-} TkUndoSubAtom;
-
-/*
- * Struct representing a single undo+redo atom to be placed in the stack.
- */
-
-typedef struct TkUndoAtom {
- TkUndoAtomType type; /* The type that will trigger the required
- * action. */
- TkUndoSubAtom *apply; /* Linked list of 'apply' actions to perform
- * for this operation. */
- TkUndoSubAtom *revert; /* Linked list of 'revert' actions to perform
- * for this operation. */
- struct TkUndoAtom *next; /* Pointer to the next element in the
- * stack. */
-} TkUndoAtom;
-
-/*
- * Struct defining a single undo+redo stack.
- */
-
-typedef struct TkUndoRedoStack {
- TkUndoAtom *undoStack; /* The undo stack. */
- TkUndoAtom *redoStack; /* The redo stack. */
- Tcl_Interp *interp; /* The interpreter in which to execute the
- * revert and apply scripts. */
- int maxdepth;
- int depth;
-} TkUndoRedoStack;
-
-/*
- * Basic functions.
- */
-
-MODULE_SCOPE void TkUndoPushStack(TkUndoAtom **stack, TkUndoAtom *elem);
-MODULE_SCOPE TkUndoAtom *TkUndoPopStack(TkUndoAtom **stack);
-MODULE_SCOPE int TkUndoInsertSeparator(TkUndoAtom **stack);
-MODULE_SCOPE void TkUndoClearStack(TkUndoAtom **stack);
-
-/*
- * Functions for working on an undo/redo stack.
- */
-
-MODULE_SCOPE TkUndoRedoStack *TkUndoInitStack(Tcl_Interp *interp, int maxdepth);
-MODULE_SCOPE void TkUndoSetDepth(TkUndoRedoStack *stack, int maxdepth);
-MODULE_SCOPE void TkUndoClearStacks(TkUndoRedoStack *stack);
-MODULE_SCOPE void TkUndoFreeStack(TkUndoRedoStack *stack);
-MODULE_SCOPE void TkUndoInsertUndoSeparator(TkUndoRedoStack *stack);
-MODULE_SCOPE TkUndoSubAtom *TkUndoMakeCmdSubAtom(Tcl_Command command,
- Tcl_Obj *actionScript, TkUndoSubAtom *subAtomList);
-MODULE_SCOPE TkUndoSubAtom *TkUndoMakeSubAtom(TkUndoProc *funcPtr,
- ClientData clientData, Tcl_Obj *actionScript,
- TkUndoSubAtom *subAtomList);
-MODULE_SCOPE void TkUndoPushAction(TkUndoRedoStack *stack,
- TkUndoSubAtom *apply, TkUndoSubAtom *revert);
-MODULE_SCOPE int TkUndoRevert(TkUndoRedoStack *stack);
-MODULE_SCOPE int TkUndoApply(TkUndoRedoStack *stack);
-
-# undef TCL_STORAGE_CLASS
-# define TCL_STORAGE_CLASS DLLIMPORT
-
-#endif /* _TKUNDO */
+/* + * tkUndo.h -- + * + * Declarations shared among the files that implement an undo stack. + * + * Copyright (c) 2002 Ludwig Callewaert. + * + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. + * + * RCS: @(#) $Id: tkUndo.h,v 1.7 2007/06/25 19:07:15 dgp Exp $ + */ + +#ifndef _TKUNDO +#define _TKUNDO + +#ifndef _TKINT +#include "tkInt.h" +#endif + +#ifdef BUILD_tk +# undef TCL_STORAGE_CLASS +# define TCL_STORAGE_CLASS DLLEXPORT +#endif + +/* + * Enum definining the types used in an undo stack. + */ + +typedef enum { + TK_UNDO_SEPARATOR, /* Marker */ + TK_UNDO_ACTION /* Command */ +} TkUndoAtomType; + +/* + * Callback proc type to carry out an undo or redo action via C code. (Actions + * can also be defined by Tcl scripts). + */ + +typedef int (TkUndoProc)(Tcl_Interp *interp, ClientData clientData, + Tcl_Obj *objPtr); + +/* + * Struct defining a single action, one or more of which may be defined (and + * stored in a linked list) separately for each undo and redo action of an + * undo atom. + */ + +typedef struct TkUndoSubAtom { + Tcl_Command command; /* Tcl token used to get the current Tcl + * command name which will be used to execute + * apply/revert scripts. If NULL then it is + * assumed the apply/revert scripts already + * contain everything. */ + TkUndoProc *funcPtr; /* Function pointer for callback to perform + * undo/redo actions. */ + ClientData clientData; /* Data for 'funcPtr'. */ + Tcl_Obj *action; /* Command to apply the action that was + * taken. */ + struct TkUndoSubAtom *next; /* Pointer to the next element in the linked + * list. */ +} TkUndoSubAtom; + +/* + * Struct representing a single undo+redo atom to be placed in the stack. + */ + +typedef struct TkUndoAtom { + TkUndoAtomType type; /* The type that will trigger the required + * action. */ + TkUndoSubAtom *apply; /* Linked list of 'apply' actions to perform + * for this operation. */ + TkUndoSubAtom *revert; /* Linked list of 'revert' actions to perform + * for this operation. */ + struct TkUndoAtom *next; /* Pointer to the next element in the + * stack. */ +} TkUndoAtom; + +/* + * Struct defining a single undo+redo stack. + */ + +typedef struct TkUndoRedoStack { + TkUndoAtom *undoStack; /* The undo stack. */ + TkUndoAtom *redoStack; /* The redo stack. */ + Tcl_Interp *interp; /* The interpreter in which to execute the + * revert and apply scripts. */ + int maxdepth; + int depth; +} TkUndoRedoStack; + +/* + * Basic functions. + */ + +MODULE_SCOPE void TkUndoPushStack(TkUndoAtom **stack, TkUndoAtom *elem); +MODULE_SCOPE TkUndoAtom *TkUndoPopStack(TkUndoAtom **stack); +MODULE_SCOPE int TkUndoInsertSeparator(TkUndoAtom **stack); +MODULE_SCOPE void TkUndoClearStack(TkUndoAtom **stack); + +/* + * Functions for working on an undo/redo stack. + */ + +MODULE_SCOPE TkUndoRedoStack *TkUndoInitStack(Tcl_Interp *interp, int maxdepth); +MODULE_SCOPE void TkUndoSetDepth(TkUndoRedoStack *stack, int maxdepth); +MODULE_SCOPE void TkUndoClearStacks(TkUndoRedoStack *stack); +MODULE_SCOPE void TkUndoFreeStack(TkUndoRedoStack *stack); +MODULE_SCOPE void TkUndoInsertUndoSeparator(TkUndoRedoStack *stack); +MODULE_SCOPE TkUndoSubAtom *TkUndoMakeCmdSubAtom(Tcl_Command command, + Tcl_Obj *actionScript, TkUndoSubAtom *subAtomList); +MODULE_SCOPE TkUndoSubAtom *TkUndoMakeSubAtom(TkUndoProc *funcPtr, + ClientData clientData, Tcl_Obj *actionScript, + TkUndoSubAtom *subAtomList); +MODULE_SCOPE void TkUndoPushAction(TkUndoRedoStack *stack, + TkUndoSubAtom *apply, TkUndoSubAtom *revert); +MODULE_SCOPE int TkUndoRevert(TkUndoRedoStack *stack); +MODULE_SCOPE int TkUndoApply(TkUndoRedoStack *stack); + +# undef TCL_STORAGE_CLASS +# define TCL_STORAGE_CLASS DLLIMPORT + +#endif /* _TKUNDO */ |