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authordkf <donal.k.fellows@manchester.ac.uk>2005-11-15 15:18:21 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2005-11-15 15:18:21 (GMT)
commit880c27d88e6fe14e3834ff5403249e1fe7b1bf74 (patch)
tree7807395c24a76cc57ed6ff2e3510a03e04efbc37 /generic/tkUndo.h
parent510452cedeeebfa59bfb1f13e86e74a6bc287320 (diff)
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Diffstat (limited to 'generic/tkUndo.h')
-rw-r--r--generic/tkUndo.h151
1 files changed, 72 insertions, 79 deletions
diff --git a/generic/tkUndo.h b/generic/tkUndo.h
index 3c34a0f..a8b053e 100644
--- a/generic/tkUndo.h
+++ b/generic/tkUndo.h
@@ -1,15 +1,14 @@
/*
* tkUndo.h --
*
- * Declarations shared among the files that implement an undo
- * stack.
+ * 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.
+ * 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 1.3 2004/09/10 12:13:42 vincentdarley Exp $
+ * RCS: @(#) $Id: tkUndo.h,v 1.4 2005/11/15 15:18:22 dkf Exp $
*/
#ifndef _TKUNDO
@@ -24,104 +23,98 @@
# define TCL_STORAGE_CLASS DLLEXPORT
#endif
-/* Enum definining the types used in an undo stack */
+/*
+ * Enum definining the types used in an undo stack.
+ */
typedef enum {
- TK_UNDO_SEPARATOR, /* Marker */
- TK_UNDO_ACTION /* Command */
+ 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).
+/*
+ * 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) _ANSI_ARGS_((Tcl_Interp *interp,
- ClientData clientData,
- Tcl_Obj *objPtr));
+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.
+/*
+ * 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. */
+ 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 */
+ 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.
+/*
+ * 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 */
+ 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;
+ 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 */
-
-EXTERN void TkUndoPushStack _ANSI_ARGS_((TkUndoAtom **stack,
- TkUndoAtom *elem));
-EXTERN TkUndoAtom * TkUndoPopStack _ANSI_ARGS_((TkUndoAtom **stack));
-EXTERN int TkUndoInsertSeparator _ANSI_ARGS_((TkUndoAtom **stack));
-EXTERN void TkUndoClearStack _ANSI_ARGS_((TkUndoAtom **stack));
-
-/* Functions for working on an undo/redo stack */
-
-EXTERN TkUndoRedoStack * TkUndoInitStack _ANSI_ARGS_((Tcl_Interp *interp,
- int maxdepth));
-EXTERN void TkUndoSetDepth _ANSI_ARGS_((TkUndoRedoStack *stack,
- int maxdepth));
-EXTERN void TkUndoClearStacks _ANSI_ARGS_((TkUndoRedoStack *stack));
-EXTERN void TkUndoFreeStack _ANSI_ARGS_((TkUndoRedoStack *stack));
-EXTERN void TkUndoInsertUndoSeparator _ANSI_ARGS_((TkUndoRedoStack *stack));
-EXTERN TkUndoSubAtom * TkUndoMakeCmdSubAtom _ANSI_ARGS_((
- Tcl_Command command,
- Tcl_Obj *actionScript,
- TkUndoSubAtom *subAtomList));
-EXTERN TkUndoSubAtom * TkUndoMakeSubAtom _ANSI_ARGS_((
- TkUndoProc *funcPtr,
- ClientData clientData,
- Tcl_Obj *actionScript,
- TkUndoSubAtom *subAtomList));
-EXTERN void TkUndoPushAction _ANSI_ARGS_((TkUndoRedoStack *stack,
- TkUndoSubAtom *apply,
- TkUndoSubAtom *revert));
-EXTERN int TkUndoRevert _ANSI_ARGS_((TkUndoRedoStack *stack));
-EXTERN int TkUndoApply _ANSI_ARGS_((TkUndoRedoStack *stack));
+/*
+ * Basic functions.
+ */
+
+EXTERN void TkUndoPushStack(TkUndoAtom **stack, TkUndoAtom *elem);
+EXTERN TkUndoAtom * TkUndoPopStack(TkUndoAtom **stack);
+EXTERN int TkUndoInsertSeparator(TkUndoAtom **stack);
+EXTERN void TkUndoClearStack(TkUndoAtom **stack);
+
+/*
+ * Functions for working on an undo/redo stack.
+ */
+
+EXTERN TkUndoRedoStack *TkUndoInitStack(Tcl_Interp *interp, int maxdepth);
+EXTERN void TkUndoSetDepth(TkUndoRedoStack *stack, int maxdepth);
+EXTERN void TkUndoClearStacks(TkUndoRedoStack *stack);
+EXTERN void TkUndoFreeStack(TkUndoRedoStack *stack);
+EXTERN void TkUndoInsertUndoSeparator(TkUndoRedoStack *stack);
+EXTERN TkUndoSubAtom * TkUndoMakeCmdSubAtom(Tcl_Command command,
+ Tcl_Obj *actionScript, TkUndoSubAtom *subAtomList);
+EXTERN TkUndoSubAtom * TkUndoMakeSubAtom(TkUndoProc *funcPtr,
+ ClientData clientData, Tcl_Obj *actionScript,
+ TkUndoSubAtom *subAtomList);
+EXTERN void TkUndoPushAction(TkUndoRedoStack *stack,
+ TkUndoSubAtom *apply, TkUndoSubAtom *revert);
+EXTERN int TkUndoRevert(TkUndoRedoStack *stack);
+EXTERN int TkUndoApply(TkUndoRedoStack *stack);
# undef TCL_STORAGE_CLASS
# define TCL_STORAGE_CLASS DLLIMPORT