/*
|
/*
|
* tkTextWind.c --
|
* tkTextWind.c --
|
*
|
*
|
* This file contains code that allows arbitrary windows to be
|
* This file contains code that allows arbitrary windows to be
|
* nested inside text widgets. It also implements the "window"
|
* nested inside text widgets. It also implements the "window"
|
* widget command for texts.
|
* widget command for texts.
|
*
|
*
|
* Copyright (c) 1994 The Regents of the University of California.
|
* Copyright (c) 1994 The Regents of the University of California.
|
* Copyright (c) 1994-1995 Sun Microsystems, Inc.
|
* Copyright (c) 1994-1995 Sun Microsystems, Inc.
|
*
|
*
|
* See the file "license.terms" for information on usage and redistribution
|
* See the file "license.terms" for information on usage and redistribution
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
*
|
*
|
* RCS: @(#) $Id: tkTextWind.c,v 1.1.1.1 2002-01-16 10:25:53 markom Exp $
|
* RCS: @(#) $Id: tkTextWind.c,v 1.1.1.1 2002-01-16 10:25:53 markom Exp $
|
*/
|
*/
|
|
|
#include "tk.h"
|
#include "tk.h"
|
#include "tkText.h"
|
#include "tkText.h"
|
#include "tkPort.h"
|
#include "tkPort.h"
|
|
|
/*
|
/*
|
* The following structure is the official type record for the
|
* The following structure is the official type record for the
|
* embedded window geometry manager:
|
* embedded window geometry manager:
|
*/
|
*/
|
|
|
static void EmbWinRequestProc _ANSI_ARGS_((ClientData clientData,
|
static void EmbWinRequestProc _ANSI_ARGS_((ClientData clientData,
|
Tk_Window tkwin));
|
Tk_Window tkwin));
|
static void EmbWinLostSlaveProc _ANSI_ARGS_((ClientData clientData,
|
static void EmbWinLostSlaveProc _ANSI_ARGS_((ClientData clientData,
|
Tk_Window tkwin));
|
Tk_Window tkwin));
|
|
|
static Tk_GeomMgr textGeomType = {
|
static Tk_GeomMgr textGeomType = {
|
"text", /* name */
|
"text", /* name */
|
EmbWinRequestProc, /* requestProc */
|
EmbWinRequestProc, /* requestProc */
|
EmbWinLostSlaveProc, /* lostSlaveProc */
|
EmbWinLostSlaveProc, /* lostSlaveProc */
|
};
|
};
|
|
|
/*
|
/*
|
* Definitions for alignment values:
|
* Definitions for alignment values:
|
*/
|
*/
|
|
|
#define ALIGN_BOTTOM 0
|
#define ALIGN_BOTTOM 0
|
#define ALIGN_CENTER 1
|
#define ALIGN_CENTER 1
|
#define ALIGN_TOP 2
|
#define ALIGN_TOP 2
|
#define ALIGN_BASELINE 3
|
#define ALIGN_BASELINE 3
|
|
|
/*
|
/*
|
* Macro that determines the size of an embedded window segment:
|
* Macro that determines the size of an embedded window segment:
|
*/
|
*/
|
|
|
#define EW_SEG_SIZE ((unsigned) (Tk_Offset(TkTextSegment, body) \
|
#define EW_SEG_SIZE ((unsigned) (Tk_Offset(TkTextSegment, body) \
|
+ sizeof(TkTextEmbWindow)))
|
+ sizeof(TkTextEmbWindow)))
|
|
|
/*
|
/*
|
* Prototypes for procedures defined in this file:
|
* Prototypes for procedures defined in this file:
|
*/
|
*/
|
|
|
static int AlignParseProc _ANSI_ARGS_((ClientData clientData,
|
static int AlignParseProc _ANSI_ARGS_((ClientData clientData,
|
Tcl_Interp *interp, Tk_Window tkwin, char *value,
|
Tcl_Interp *interp, Tk_Window tkwin, char *value,
|
char *widgRec, int offset));
|
char *widgRec, int offset));
|
static char * AlignPrintProc _ANSI_ARGS_((ClientData clientData,
|
static char * AlignPrintProc _ANSI_ARGS_((ClientData clientData,
|
Tk_Window tkwin, char *widgRec, int offset,
|
Tk_Window tkwin, char *widgRec, int offset,
|
Tcl_FreeProc **freeProcPtr));
|
Tcl_FreeProc **freeProcPtr));
|
static TkTextSegment * EmbWinCleanupProc _ANSI_ARGS_((TkTextSegment *segPtr,
|
static TkTextSegment * EmbWinCleanupProc _ANSI_ARGS_((TkTextSegment *segPtr,
|
TkTextLine *linePtr));
|
TkTextLine *linePtr));
|
static void EmbWinCheckProc _ANSI_ARGS_((TkTextSegment *segPtr,
|
static void EmbWinCheckProc _ANSI_ARGS_((TkTextSegment *segPtr,
|
TkTextLine *linePtr));
|
TkTextLine *linePtr));
|
static void EmbWinBboxProc _ANSI_ARGS_((TkTextDispChunk *chunkPtr,
|
static void EmbWinBboxProc _ANSI_ARGS_((TkTextDispChunk *chunkPtr,
|
int index, int y, int lineHeight, int baseline,
|
int index, int y, int lineHeight, int baseline,
|
int *xPtr, int *yPtr, int *widthPtr,
|
int *xPtr, int *yPtr, int *widthPtr,
|
int *heightPtr));
|
int *heightPtr));
|
static int EmbWinConfigure _ANSI_ARGS_((TkText *textPtr,
|
static int EmbWinConfigure _ANSI_ARGS_((TkText *textPtr,
|
TkTextSegment *ewPtr, int argc, char **argv));
|
TkTextSegment *ewPtr, int argc, char **argv));
|
static void EmbWinDelayedUnmap _ANSI_ARGS_((
|
static void EmbWinDelayedUnmap _ANSI_ARGS_((
|
ClientData clientData));
|
ClientData clientData));
|
static int EmbWinDeleteProc _ANSI_ARGS_((TkTextSegment *segPtr,
|
static int EmbWinDeleteProc _ANSI_ARGS_((TkTextSegment *segPtr,
|
TkTextLine *linePtr, int treeGone));
|
TkTextLine *linePtr, int treeGone));
|
static void EmbWinDisplayProc _ANSI_ARGS_((
|
static void EmbWinDisplayProc _ANSI_ARGS_((
|
TkTextDispChunk *chunkPtr, int x, int y,
|
TkTextDispChunk *chunkPtr, int x, int y,
|
int lineHeight, int baseline, Display *display,
|
int lineHeight, int baseline, Display *display,
|
Drawable dst, int screenY));
|
Drawable dst, int screenY));
|
static int EmbWinLayoutProc _ANSI_ARGS_((TkText *textPtr,
|
static int EmbWinLayoutProc _ANSI_ARGS_((TkText *textPtr,
|
TkTextIndex *indexPtr, TkTextSegment *segPtr,
|
TkTextIndex *indexPtr, TkTextSegment *segPtr,
|
int offset, int maxX, int maxChars,
|
int offset, int maxX, int maxChars,
|
int noCharsYet, Tk_Uid wrapMode,
|
int noCharsYet, Tk_Uid wrapMode,
|
TkTextDispChunk *chunkPtr));
|
TkTextDispChunk *chunkPtr));
|
static void EmbWinStructureProc _ANSI_ARGS_((ClientData clientData,
|
static void EmbWinStructureProc _ANSI_ARGS_((ClientData clientData,
|
XEvent *eventPtr));
|
XEvent *eventPtr));
|
static void EmbWinUndisplayProc _ANSI_ARGS_((TkText *textPtr,
|
static void EmbWinUndisplayProc _ANSI_ARGS_((TkText *textPtr,
|
TkTextDispChunk *chunkPtr));
|
TkTextDispChunk *chunkPtr));
|
|
|
/*
|
/*
|
* The following structure declares the "embedded window" segment type.
|
* The following structure declares the "embedded window" segment type.
|
*/
|
*/
|
|
|
static Tk_SegType tkTextEmbWindowType = {
|
static Tk_SegType tkTextEmbWindowType = {
|
"window", /* name */
|
"window", /* name */
|
0, /* leftGravity */
|
0, /* leftGravity */
|
(Tk_SegSplitProc *) NULL, /* splitProc */
|
(Tk_SegSplitProc *) NULL, /* splitProc */
|
EmbWinDeleteProc, /* deleteProc */
|
EmbWinDeleteProc, /* deleteProc */
|
EmbWinCleanupProc, /* cleanupProc */
|
EmbWinCleanupProc, /* cleanupProc */
|
(Tk_SegLineChangeProc *) NULL, /* lineChangeProc */
|
(Tk_SegLineChangeProc *) NULL, /* lineChangeProc */
|
EmbWinLayoutProc, /* layoutProc */
|
EmbWinLayoutProc, /* layoutProc */
|
EmbWinCheckProc /* checkProc */
|
EmbWinCheckProc /* checkProc */
|
};
|
};
|
|
|
/*
|
/*
|
* Information used for parsing window configuration options:
|
* Information used for parsing window configuration options:
|
*/
|
*/
|
|
|
static Tk_CustomOption alignOption = {AlignParseProc, AlignPrintProc,
|
static Tk_CustomOption alignOption = {AlignParseProc, AlignPrintProc,
|
(ClientData) NULL};
|
(ClientData) NULL};
|
|
|
static Tk_ConfigSpec configSpecs[] = {
|
static Tk_ConfigSpec configSpecs[] = {
|
{TK_CONFIG_CUSTOM, "-align", (char *) NULL, (char *) NULL,
|
{TK_CONFIG_CUSTOM, "-align", (char *) NULL, (char *) NULL,
|
"center", 0, TK_CONFIG_DONT_SET_DEFAULT, &alignOption},
|
"center", 0, TK_CONFIG_DONT_SET_DEFAULT, &alignOption},
|
{TK_CONFIG_STRING, "-create", (char *) NULL, (char *) NULL,
|
{TK_CONFIG_STRING, "-create", (char *) NULL, (char *) NULL,
|
(char *) NULL, Tk_Offset(TkTextEmbWindow, create),
|
(char *) NULL, Tk_Offset(TkTextEmbWindow, create),
|
TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK},
|
TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK},
|
{TK_CONFIG_INT, "-padx", (char *) NULL, (char *) NULL,
|
{TK_CONFIG_INT, "-padx", (char *) NULL, (char *) NULL,
|
"0", Tk_Offset(TkTextEmbWindow, padX),
|
"0", Tk_Offset(TkTextEmbWindow, padX),
|
TK_CONFIG_DONT_SET_DEFAULT},
|
TK_CONFIG_DONT_SET_DEFAULT},
|
{TK_CONFIG_INT, "-pady", (char *) NULL, (char *) NULL,
|
{TK_CONFIG_INT, "-pady", (char *) NULL, (char *) NULL,
|
"0", Tk_Offset(TkTextEmbWindow, padY),
|
"0", Tk_Offset(TkTextEmbWindow, padY),
|
TK_CONFIG_DONT_SET_DEFAULT},
|
TK_CONFIG_DONT_SET_DEFAULT},
|
{TK_CONFIG_BOOLEAN, "-stretch", (char *) NULL, (char *) NULL,
|
{TK_CONFIG_BOOLEAN, "-stretch", (char *) NULL, (char *) NULL,
|
"0", Tk_Offset(TkTextEmbWindow, stretch),
|
"0", Tk_Offset(TkTextEmbWindow, stretch),
|
TK_CONFIG_DONT_SET_DEFAULT},
|
TK_CONFIG_DONT_SET_DEFAULT},
|
{TK_CONFIG_WINDOW, "-window", (char *) NULL, (char *) NULL,
|
{TK_CONFIG_WINDOW, "-window", (char *) NULL, (char *) NULL,
|
(char *) NULL, Tk_Offset(TkTextEmbWindow, tkwin),
|
(char *) NULL, Tk_Offset(TkTextEmbWindow, tkwin),
|
TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK},
|
TK_CONFIG_DONT_SET_DEFAULT|TK_CONFIG_NULL_OK},
|
{TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
|
{TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
|
(char *) NULL, 0, 0}
|
(char *) NULL, 0, 0}
|
};
|
};
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* TkTextWindowCmd --
|
* TkTextWindowCmd --
|
*
|
*
|
* This procedure implements the "window" widget command
|
* This procedure implements the "window" widget command
|
* for text widgets. See the user documentation for details
|
* for text widgets. See the user documentation for details
|
* on what it does.
|
* on what it does.
|
*
|
*
|
* Results:
|
* Results:
|
* A standard Tcl result or error.
|
* A standard Tcl result or error.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* See the user documentation.
|
* See the user documentation.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
int
|
int
|
TkTextWindowCmd(textPtr, interp, argc, argv)
|
TkTextWindowCmd(textPtr, interp, argc, argv)
|
register TkText *textPtr; /* Information about text widget. */
|
register TkText *textPtr; /* Information about text widget. */
|
Tcl_Interp *interp; /* Current interpreter. */
|
Tcl_Interp *interp; /* Current interpreter. */
|
int argc; /* Number of arguments. */
|
int argc; /* Number of arguments. */
|
char **argv; /* Argument strings. Someone else has already
|
char **argv; /* Argument strings. Someone else has already
|
* parsed this command enough to know that
|
* parsed this command enough to know that
|
* argv[1] is "window". */
|
* argv[1] is "window". */
|
{
|
{
|
size_t length;
|
size_t length;
|
register TkTextSegment *ewPtr;
|
register TkTextSegment *ewPtr;
|
|
|
if (argc < 3) {
|
if (argc < 3) {
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
argv[0], " window option ?arg arg ...?\"", (char *) NULL);
|
argv[0], " window option ?arg arg ...?\"", (char *) NULL);
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
length = strlen(argv[2]);
|
length = strlen(argv[2]);
|
if ((strncmp(argv[2], "cget", length) == 0) && (length >= 2)) {
|
if ((strncmp(argv[2], "cget", length) == 0) && (length >= 2)) {
|
TkTextIndex index;
|
TkTextIndex index;
|
TkTextSegment *ewPtr;
|
TkTextSegment *ewPtr;
|
|
|
if (argc != 5) {
|
if (argc != 5) {
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
argv[0], " window cget index option\"",
|
argv[0], " window cget index option\"",
|
(char *) NULL);
|
(char *) NULL);
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
if (TkTextGetIndex(interp, textPtr, argv[3], &index) != TCL_OK) {
|
if (TkTextGetIndex(interp, textPtr, argv[3], &index) != TCL_OK) {
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
ewPtr = TkTextIndexToSeg(&index, (int *) NULL);
|
ewPtr = TkTextIndexToSeg(&index, (int *) NULL);
|
if (ewPtr->typePtr != &tkTextEmbWindowType) {
|
if (ewPtr->typePtr != &tkTextEmbWindowType) {
|
Tcl_AppendResult(interp, "no embedded window at index \"",
|
Tcl_AppendResult(interp, "no embedded window at index \"",
|
argv[3], "\"", (char *) NULL);
|
argv[3], "\"", (char *) NULL);
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
return Tk_ConfigureValue(interp, textPtr->tkwin, configSpecs,
|
return Tk_ConfigureValue(interp, textPtr->tkwin, configSpecs,
|
(char *) &ewPtr->body.ew, argv[4], 0);
|
(char *) &ewPtr->body.ew, argv[4], 0);
|
} else if ((strncmp(argv[2], "configure", length) == 0) && (length >= 2)) {
|
} else if ((strncmp(argv[2], "configure", length) == 0) && (length >= 2)) {
|
TkTextIndex index;
|
TkTextIndex index;
|
TkTextSegment *ewPtr;
|
TkTextSegment *ewPtr;
|
|
|
if (argc < 4) {
|
if (argc < 4) {
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
argv[0], " window configure index ?option value ...?\"",
|
argv[0], " window configure index ?option value ...?\"",
|
(char *) NULL);
|
(char *) NULL);
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
if (TkTextGetIndex(interp, textPtr, argv[3], &index) != TCL_OK) {
|
if (TkTextGetIndex(interp, textPtr, argv[3], &index) != TCL_OK) {
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
ewPtr = TkTextIndexToSeg(&index, (int *) NULL);
|
ewPtr = TkTextIndexToSeg(&index, (int *) NULL);
|
if (ewPtr->typePtr != &tkTextEmbWindowType) {
|
if (ewPtr->typePtr != &tkTextEmbWindowType) {
|
Tcl_AppendResult(interp, "no embedded window at index \"",
|
Tcl_AppendResult(interp, "no embedded window at index \"",
|
argv[3], "\"", (char *) NULL);
|
argv[3], "\"", (char *) NULL);
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
if (argc == 4) {
|
if (argc == 4) {
|
return Tk_ConfigureInfo(interp, textPtr->tkwin, configSpecs,
|
return Tk_ConfigureInfo(interp, textPtr->tkwin, configSpecs,
|
(char *) &ewPtr->body.ew, (char *) NULL, 0);
|
(char *) &ewPtr->body.ew, (char *) NULL, 0);
|
} else if (argc == 5) {
|
} else if (argc == 5) {
|
return Tk_ConfigureInfo(interp, textPtr->tkwin, configSpecs,
|
return Tk_ConfigureInfo(interp, textPtr->tkwin, configSpecs,
|
(char *) &ewPtr->body.ew, argv[4], 0);
|
(char *) &ewPtr->body.ew, argv[4], 0);
|
} else {
|
} else {
|
TkTextChanged(textPtr, &index, &index);
|
TkTextChanged(textPtr, &index, &index);
|
return EmbWinConfigure(textPtr, ewPtr, argc-4, argv+4);
|
return EmbWinConfigure(textPtr, ewPtr, argc-4, argv+4);
|
}
|
}
|
} else if ((strncmp(argv[2], "create", length) == 0) && (length >= 2)) {
|
} else if ((strncmp(argv[2], "create", length) == 0) && (length >= 2)) {
|
TkTextIndex index;
|
TkTextIndex index;
|
int lineIndex;
|
int lineIndex;
|
|
|
/*
|
/*
|
* Add a new window. Find where to put the new window, and
|
* Add a new window. Find where to put the new window, and
|
* mark that position for redisplay.
|
* mark that position for redisplay.
|
*/
|
*/
|
|
|
if (argc < 4) {
|
if (argc < 4) {
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
argv[0], " window create index ?option value ...?\"",
|
argv[0], " window create index ?option value ...?\"",
|
(char *) NULL);
|
(char *) NULL);
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
if (TkTextGetIndex(interp, textPtr, argv[3], &index) != TCL_OK) {
|
if (TkTextGetIndex(interp, textPtr, argv[3], &index) != TCL_OK) {
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
|
|
/*
|
/*
|
* Don't allow insertions on the last (dummy) line of the text.
|
* Don't allow insertions on the last (dummy) line of the text.
|
*/
|
*/
|
|
|
lineIndex = TkBTreeLineIndex(index.linePtr);
|
lineIndex = TkBTreeLineIndex(index.linePtr);
|
if (lineIndex == TkBTreeNumLines(textPtr->tree)) {
|
if (lineIndex == TkBTreeNumLines(textPtr->tree)) {
|
lineIndex--;
|
lineIndex--;
|
TkTextMakeIndex(textPtr->tree, lineIndex, 1000000, &index);
|
TkTextMakeIndex(textPtr->tree, lineIndex, 1000000, &index);
|
}
|
}
|
|
|
/*
|
/*
|
* Create the new window segment and initialize it.
|
* Create the new window segment and initialize it.
|
*/
|
*/
|
|
|
ewPtr = (TkTextSegment *) ckalloc(EW_SEG_SIZE);
|
ewPtr = (TkTextSegment *) ckalloc(EW_SEG_SIZE);
|
ewPtr->typePtr = &tkTextEmbWindowType;
|
ewPtr->typePtr = &tkTextEmbWindowType;
|
ewPtr->size = 1;
|
ewPtr->size = 1;
|
ewPtr->body.ew.textPtr = textPtr;
|
ewPtr->body.ew.textPtr = textPtr;
|
ewPtr->body.ew.linePtr = NULL;
|
ewPtr->body.ew.linePtr = NULL;
|
ewPtr->body.ew.tkwin = NULL;
|
ewPtr->body.ew.tkwin = NULL;
|
ewPtr->body.ew.create = NULL;
|
ewPtr->body.ew.create = NULL;
|
ewPtr->body.ew.align = ALIGN_CENTER;
|
ewPtr->body.ew.align = ALIGN_CENTER;
|
ewPtr->body.ew.padX = ewPtr->body.ew.padY = 0;
|
ewPtr->body.ew.padX = ewPtr->body.ew.padY = 0;
|
ewPtr->body.ew.stretch = 0;
|
ewPtr->body.ew.stretch = 0;
|
ewPtr->body.ew.chunkCount = 0;
|
ewPtr->body.ew.chunkCount = 0;
|
ewPtr->body.ew.displayed = 0;
|
ewPtr->body.ew.displayed = 0;
|
|
|
/*
|
/*
|
* Link the segment into the text widget, then configure it (delete
|
* Link the segment into the text widget, then configure it (delete
|
* it again if the configuration fails).
|
* it again if the configuration fails).
|
*/
|
*/
|
|
|
TkTextChanged(textPtr, &index, &index);
|
TkTextChanged(textPtr, &index, &index);
|
TkBTreeLinkSegment(ewPtr, &index);
|
TkBTreeLinkSegment(ewPtr, &index);
|
if (EmbWinConfigure(textPtr, ewPtr, argc-4, argv+4) != TCL_OK) {
|
if (EmbWinConfigure(textPtr, ewPtr, argc-4, argv+4) != TCL_OK) {
|
TkTextIndex index2;
|
TkTextIndex index2;
|
|
|
TkTextIndexForwChars(&index, 1, &index2);
|
TkTextIndexForwChars(&index, 1, &index2);
|
TkBTreeDeleteChars(&index, &index2);
|
TkBTreeDeleteChars(&index, &index2);
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
} else if (strncmp(argv[2], "names", length) == 0) {
|
} else if (strncmp(argv[2], "names", length) == 0) {
|
Tcl_HashSearch search;
|
Tcl_HashSearch search;
|
Tcl_HashEntry *hPtr;
|
Tcl_HashEntry *hPtr;
|
|
|
if (argc != 3) {
|
if (argc != 3) {
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
Tcl_AppendResult(interp, "wrong # args: should be \"",
|
argv[0], " window names\"", (char *) NULL);
|
argv[0], " window names\"", (char *) NULL);
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
for (hPtr = Tcl_FirstHashEntry(&textPtr->windowTable, &search);
|
for (hPtr = Tcl_FirstHashEntry(&textPtr->windowTable, &search);
|
hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
|
hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
|
Tcl_AppendElement(interp,
|
Tcl_AppendElement(interp,
|
Tcl_GetHashKey(&textPtr->markTable, hPtr));
|
Tcl_GetHashKey(&textPtr->markTable, hPtr));
|
}
|
}
|
} else {
|
} else {
|
Tcl_AppendResult(interp, "bad window option \"", argv[2],
|
Tcl_AppendResult(interp, "bad window option \"", argv[2],
|
"\": must be cget, configure, create, or names",
|
"\": must be cget, configure, create, or names",
|
(char *) NULL);
|
(char *) NULL);
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
return TCL_OK;
|
return TCL_OK;
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinConfigure --
|
* EmbWinConfigure --
|
*
|
*
|
* This procedure is called to handle configuration options
|
* This procedure is called to handle configuration options
|
* for an embedded window, using an argc/argv list.
|
* for an embedded window, using an argc/argv list.
|
*
|
*
|
* Results:
|
* Results:
|
* The return value is a standard Tcl result. If TCL_ERROR is
|
* The return value is a standard Tcl result. If TCL_ERROR is
|
* returned, then interp->result contains an error message..
|
* returned, then interp->result contains an error message..
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* Configuration information for the embedded window changes,
|
* Configuration information for the embedded window changes,
|
* such as alignment, stretching, or name of the embedded
|
* such as alignment, stretching, or name of the embedded
|
* window.
|
* window.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
static int
|
static int
|
EmbWinConfigure(textPtr, ewPtr, argc, argv)
|
EmbWinConfigure(textPtr, ewPtr, argc, argv)
|
TkText *textPtr; /* Information about text widget that
|
TkText *textPtr; /* Information about text widget that
|
* contains embedded window. */
|
* contains embedded window. */
|
TkTextSegment *ewPtr; /* Embedded window to be configured. */
|
TkTextSegment *ewPtr; /* Embedded window to be configured. */
|
int argc; /* Number of strings in argv. */
|
int argc; /* Number of strings in argv. */
|
char **argv; /* Array of strings describing configuration
|
char **argv; /* Array of strings describing configuration
|
* options. */
|
* options. */
|
{
|
{
|
Tk_Window oldWindow;
|
Tk_Window oldWindow;
|
Tcl_HashEntry *hPtr;
|
Tcl_HashEntry *hPtr;
|
int new;
|
int new;
|
|
|
oldWindow = ewPtr->body.ew.tkwin;
|
oldWindow = ewPtr->body.ew.tkwin;
|
if (Tk_ConfigureWidget(textPtr->interp, textPtr->tkwin, configSpecs,
|
if (Tk_ConfigureWidget(textPtr->interp, textPtr->tkwin, configSpecs,
|
argc, argv, (char *) &ewPtr->body.ew, TK_CONFIG_ARGV_ONLY)
|
argc, argv, (char *) &ewPtr->body.ew, TK_CONFIG_ARGV_ONLY)
|
!= TCL_OK) {
|
!= TCL_OK) {
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
if (oldWindow != ewPtr->body.ew.tkwin) {
|
if (oldWindow != ewPtr->body.ew.tkwin) {
|
if (oldWindow != NULL) {
|
if (oldWindow != NULL) {
|
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&textPtr->windowTable,
|
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&textPtr->windowTable,
|
Tk_PathName(oldWindow)));
|
Tk_PathName(oldWindow)));
|
Tk_DeleteEventHandler(oldWindow, StructureNotifyMask,
|
Tk_DeleteEventHandler(oldWindow, StructureNotifyMask,
|
EmbWinStructureProc, (ClientData) ewPtr);
|
EmbWinStructureProc, (ClientData) ewPtr);
|
Tk_ManageGeometry(oldWindow, (Tk_GeomMgr *) NULL,
|
Tk_ManageGeometry(oldWindow, (Tk_GeomMgr *) NULL,
|
(ClientData) NULL);
|
(ClientData) NULL);
|
if (textPtr->tkwin != Tk_Parent(oldWindow)) {
|
if (textPtr->tkwin != Tk_Parent(oldWindow)) {
|
Tk_UnmaintainGeometry(oldWindow, textPtr->tkwin);
|
Tk_UnmaintainGeometry(oldWindow, textPtr->tkwin);
|
} else {
|
} else {
|
Tk_UnmapWindow(oldWindow);
|
Tk_UnmapWindow(oldWindow);
|
}
|
}
|
}
|
}
|
if (ewPtr->body.ew.tkwin != NULL) {
|
if (ewPtr->body.ew.tkwin != NULL) {
|
Tk_Window ancestor, parent;
|
Tk_Window ancestor, parent;
|
|
|
/*
|
/*
|
* Make sure that the text is either the parent of the
|
* Make sure that the text is either the parent of the
|
* embedded window or a descendant of that parent. Also,
|
* embedded window or a descendant of that parent. Also,
|
* don't allow a top-level window to be managed inside
|
* don't allow a top-level window to be managed inside
|
* a text.
|
* a text.
|
*/
|
*/
|
|
|
parent = Tk_Parent(ewPtr->body.ew.tkwin);
|
parent = Tk_Parent(ewPtr->body.ew.tkwin);
|
for (ancestor = textPtr->tkwin; ;
|
for (ancestor = textPtr->tkwin; ;
|
ancestor = Tk_Parent(ancestor)) {
|
ancestor = Tk_Parent(ancestor)) {
|
if (ancestor == parent) {
|
if (ancestor == parent) {
|
break;
|
break;
|
}
|
}
|
if (Tk_IsTopLevel(ancestor)) {
|
if (Tk_IsTopLevel(ancestor)) {
|
badMaster:
|
badMaster:
|
Tcl_AppendResult(textPtr->interp, "can't embed ",
|
Tcl_AppendResult(textPtr->interp, "can't embed ",
|
Tk_PathName(ewPtr->body.ew.tkwin), " in ",
|
Tk_PathName(ewPtr->body.ew.tkwin), " in ",
|
Tk_PathName(textPtr->tkwin), (char *) NULL);
|
Tk_PathName(textPtr->tkwin), (char *) NULL);
|
ewPtr->body.ew.tkwin = NULL;
|
ewPtr->body.ew.tkwin = NULL;
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
}
|
}
|
if (Tk_IsTopLevel(ewPtr->body.ew.tkwin)
|
if (Tk_IsTopLevel(ewPtr->body.ew.tkwin)
|
|| (ewPtr->body.ew.tkwin == textPtr->tkwin)) {
|
|| (ewPtr->body.ew.tkwin == textPtr->tkwin)) {
|
goto badMaster;
|
goto badMaster;
|
}
|
}
|
|
|
/*
|
/*
|
* Take over geometry management for the window, plus create
|
* Take over geometry management for the window, plus create
|
* an event handler to find out when it is deleted.
|
* an event handler to find out when it is deleted.
|
*/
|
*/
|
|
|
Tk_ManageGeometry(ewPtr->body.ew.tkwin, &textGeomType,
|
Tk_ManageGeometry(ewPtr->body.ew.tkwin, &textGeomType,
|
(ClientData) ewPtr);
|
(ClientData) ewPtr);
|
Tk_CreateEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask,
|
Tk_CreateEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask,
|
EmbWinStructureProc, (ClientData) ewPtr);
|
EmbWinStructureProc, (ClientData) ewPtr);
|
|
|
/*
|
/*
|
* Special trick! Must enter into the hash table *after*
|
* Special trick! Must enter into the hash table *after*
|
* calling Tk_ManageGeometry: if the window was already managed
|
* calling Tk_ManageGeometry: if the window was already managed
|
* elsewhere in this text, the Tk_ManageGeometry call will cause
|
* elsewhere in this text, the Tk_ManageGeometry call will cause
|
* the entry to be removed, which could potentially lose the new
|
* the entry to be removed, which could potentially lose the new
|
* entry.
|
* entry.
|
*/
|
*/
|
|
|
hPtr = Tcl_CreateHashEntry(&textPtr->windowTable,
|
hPtr = Tcl_CreateHashEntry(&textPtr->windowTable,
|
Tk_PathName(ewPtr->body.ew.tkwin), &new);
|
Tk_PathName(ewPtr->body.ew.tkwin), &new);
|
Tcl_SetHashValue(hPtr, ewPtr);
|
Tcl_SetHashValue(hPtr, ewPtr);
|
|
|
}
|
}
|
}
|
}
|
return TCL_OK;
|
return TCL_OK;
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* AlignParseProc --
|
* AlignParseProc --
|
*
|
*
|
* This procedure is invoked by Tk_ConfigureWidget during
|
* This procedure is invoked by Tk_ConfigureWidget during
|
* option processing to handle "-align" options for embedded
|
* option processing to handle "-align" options for embedded
|
* windows.
|
* windows.
|
*
|
*
|
* Results:
|
* Results:
|
* A standard Tcl return value.
|
* A standard Tcl return value.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The alignment for the embedded window may change.
|
* The alignment for the embedded window may change.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static int
|
static int
|
AlignParseProc(clientData, interp, tkwin, value, widgRec, offset)
|
AlignParseProc(clientData, interp, tkwin, value, widgRec, offset)
|
ClientData clientData; /* Not used.*/
|
ClientData clientData; /* Not used.*/
|
Tcl_Interp *interp; /* Used for reporting errors. */
|
Tcl_Interp *interp; /* Used for reporting errors. */
|
Tk_Window tkwin; /* Window for text widget. */
|
Tk_Window tkwin; /* Window for text widget. */
|
char *value; /* Value of option. */
|
char *value; /* Value of option. */
|
char *widgRec; /* Pointer to TkTextEmbWindow
|
char *widgRec; /* Pointer to TkTextEmbWindow
|
* structure. */
|
* structure. */
|
int offset; /* Offset into item (ignored). */
|
int offset; /* Offset into item (ignored). */
|
{
|
{
|
register TkTextEmbWindow *embPtr = (TkTextEmbWindow *) widgRec;
|
register TkTextEmbWindow *embPtr = (TkTextEmbWindow *) widgRec;
|
|
|
if (strcmp(value, "baseline") == 0) {
|
if (strcmp(value, "baseline") == 0) {
|
embPtr->align = ALIGN_BASELINE;
|
embPtr->align = ALIGN_BASELINE;
|
} else if (strcmp(value, "bottom") == 0) {
|
} else if (strcmp(value, "bottom") == 0) {
|
embPtr->align = ALIGN_BOTTOM;
|
embPtr->align = ALIGN_BOTTOM;
|
} else if (strcmp(value, "center") == 0) {
|
} else if (strcmp(value, "center") == 0) {
|
embPtr->align = ALIGN_CENTER;
|
embPtr->align = ALIGN_CENTER;
|
} else if (strcmp(value, "top") == 0) {
|
} else if (strcmp(value, "top") == 0) {
|
embPtr->align = ALIGN_TOP;
|
embPtr->align = ALIGN_TOP;
|
} else {
|
} else {
|
Tcl_AppendResult(interp, "bad alignment \"", value,
|
Tcl_AppendResult(interp, "bad alignment \"", value,
|
"\": must be baseline, bottom, center, or top",
|
"\": must be baseline, bottom, center, or top",
|
(char *) NULL);
|
(char *) NULL);
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
return TCL_OK;
|
return TCL_OK;
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* AlignPrintProc --
|
* AlignPrintProc --
|
*
|
*
|
* This procedure is invoked by the Tk configuration code
|
* This procedure is invoked by the Tk configuration code
|
* to produce a printable string for the "-align" configuration
|
* to produce a printable string for the "-align" configuration
|
* option for embedded windows.
|
* option for embedded windows.
|
*
|
*
|
* Results:
|
* Results:
|
* The return value is a string describing the embedded
|
* The return value is a string describing the embedded
|
* window's current alignment.
|
* window's current alignment.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* None.
|
* None.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static char *
|
static char *
|
AlignPrintProc(clientData, tkwin, widgRec, offset, freeProcPtr)
|
AlignPrintProc(clientData, tkwin, widgRec, offset, freeProcPtr)
|
ClientData clientData; /* Ignored. */
|
ClientData clientData; /* Ignored. */
|
Tk_Window tkwin; /* Window for text widget. */
|
Tk_Window tkwin; /* Window for text widget. */
|
char *widgRec; /* Pointer to TkTextEmbWindow
|
char *widgRec; /* Pointer to TkTextEmbWindow
|
* structure. */
|
* structure. */
|
int offset; /* Ignored. */
|
int offset; /* Ignored. */
|
Tcl_FreeProc **freeProcPtr; /* Pointer to variable to fill in with
|
Tcl_FreeProc **freeProcPtr; /* Pointer to variable to fill in with
|
* information about how to reclaim
|
* information about how to reclaim
|
* storage for return string. */
|
* storage for return string. */
|
{
|
{
|
switch (((TkTextEmbWindow *) widgRec)->align) {
|
switch (((TkTextEmbWindow *) widgRec)->align) {
|
case ALIGN_BASELINE:
|
case ALIGN_BASELINE:
|
return "baseline";
|
return "baseline";
|
case ALIGN_BOTTOM:
|
case ALIGN_BOTTOM:
|
return "bottom";
|
return "bottom";
|
case ALIGN_CENTER:
|
case ALIGN_CENTER:
|
return "center";
|
return "center";
|
case ALIGN_TOP:
|
case ALIGN_TOP:
|
return "top";
|
return "top";
|
default:
|
default:
|
return "??";
|
return "??";
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinStructureProc --
|
* EmbWinStructureProc --
|
*
|
*
|
* This procedure is invoked by the Tk event loop whenever
|
* This procedure is invoked by the Tk event loop whenever
|
* StructureNotify events occur for a window that's embedded
|
* StructureNotify events occur for a window that's embedded
|
* in a text widget. This procedure's only purpose is to
|
* in a text widget. This procedure's only purpose is to
|
* clean up when windows are deleted.
|
* clean up when windows are deleted.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The window is disassociated from the window segment, and
|
* The window is disassociated from the window segment, and
|
* the portion of the text is redisplayed.
|
* the portion of the text is redisplayed.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
static void
|
static void
|
EmbWinStructureProc(clientData, eventPtr)
|
EmbWinStructureProc(clientData, eventPtr)
|
ClientData clientData; /* Pointer to record describing window item. */
|
ClientData clientData; /* Pointer to record describing window item. */
|
XEvent *eventPtr; /* Describes what just happened. */
|
XEvent *eventPtr; /* Describes what just happened. */
|
{
|
{
|
register TkTextSegment *ewPtr = (TkTextSegment *) clientData;
|
register TkTextSegment *ewPtr = (TkTextSegment *) clientData;
|
TkTextIndex index;
|
TkTextIndex index;
|
|
|
if (eventPtr->type != DestroyNotify) {
|
if (eventPtr->type != DestroyNotify) {
|
return;
|
return;
|
}
|
}
|
|
|
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&ewPtr->body.ew.textPtr->windowTable,
|
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&ewPtr->body.ew.textPtr->windowTable,
|
Tk_PathName(ewPtr->body.ew.tkwin)));
|
Tk_PathName(ewPtr->body.ew.tkwin)));
|
ewPtr->body.ew.tkwin = NULL;
|
ewPtr->body.ew.tkwin = NULL;
|
index.tree = ewPtr->body.ew.textPtr->tree;
|
index.tree = ewPtr->body.ew.textPtr->tree;
|
index.linePtr = ewPtr->body.ew.linePtr;
|
index.linePtr = ewPtr->body.ew.linePtr;
|
index.charIndex = TkTextSegToOffset(ewPtr, ewPtr->body.ew.linePtr);
|
index.charIndex = TkTextSegToOffset(ewPtr, ewPtr->body.ew.linePtr);
|
TkTextChanged(ewPtr->body.ew.textPtr, &index, &index);
|
TkTextChanged(ewPtr->body.ew.textPtr, &index, &index);
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinRequestProc --
|
* EmbWinRequestProc --
|
*
|
*
|
* This procedure is invoked whenever a window that's associated
|
* This procedure is invoked whenever a window that's associated
|
* with a window canvas item changes its requested dimensions.
|
* with a window canvas item changes its requested dimensions.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The size and location on the screen of the window may change,
|
* The size and location on the screen of the window may change,
|
* depending on the options specified for the window item.
|
* depending on the options specified for the window item.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
EmbWinRequestProc(clientData, tkwin)
|
EmbWinRequestProc(clientData, tkwin)
|
ClientData clientData; /* Pointer to record for window item. */
|
ClientData clientData; /* Pointer to record for window item. */
|
Tk_Window tkwin; /* Window that changed its desired
|
Tk_Window tkwin; /* Window that changed its desired
|
* size. */
|
* size. */
|
{
|
{
|
TkTextSegment *ewPtr = (TkTextSegment *) clientData;
|
TkTextSegment *ewPtr = (TkTextSegment *) clientData;
|
TkTextIndex index;
|
TkTextIndex index;
|
|
|
index.tree = ewPtr->body.ew.textPtr->tree;
|
index.tree = ewPtr->body.ew.textPtr->tree;
|
index.linePtr = ewPtr->body.ew.linePtr;
|
index.linePtr = ewPtr->body.ew.linePtr;
|
index.charIndex = TkTextSegToOffset(ewPtr, ewPtr->body.ew.linePtr);
|
index.charIndex = TkTextSegToOffset(ewPtr, ewPtr->body.ew.linePtr);
|
TkTextChanged(ewPtr->body.ew.textPtr, &index, &index);
|
TkTextChanged(ewPtr->body.ew.textPtr, &index, &index);
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinLostSlaveProc --
|
* EmbWinLostSlaveProc --
|
*
|
*
|
* This procedure is invoked by the Tk geometry manager when
|
* This procedure is invoked by the Tk geometry manager when
|
* a slave window managed by a text widget is claimed away
|
* a slave window managed by a text widget is claimed away
|
* by another geometry manager.
|
* by another geometry manager.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The window is disassociated from the window segment, and
|
* The window is disassociated from the window segment, and
|
* the portion of the text is redisplayed.
|
* the portion of the text is redisplayed.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
static void
|
static void
|
EmbWinLostSlaveProc(clientData, tkwin)
|
EmbWinLostSlaveProc(clientData, tkwin)
|
ClientData clientData; /* Pointer to record describing window item. */
|
ClientData clientData; /* Pointer to record describing window item. */
|
Tk_Window tkwin; /* Window that was claimed away by another
|
Tk_Window tkwin; /* Window that was claimed away by another
|
* geometry manager. */
|
* geometry manager. */
|
{
|
{
|
register TkTextSegment *ewPtr = (TkTextSegment *) clientData;
|
register TkTextSegment *ewPtr = (TkTextSegment *) clientData;
|
TkTextIndex index;
|
TkTextIndex index;
|
|
|
Tk_DeleteEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask,
|
Tk_DeleteEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask,
|
EmbWinStructureProc, (ClientData) ewPtr);
|
EmbWinStructureProc, (ClientData) ewPtr);
|
Tcl_CancelIdleCall(EmbWinDelayedUnmap, (ClientData) ewPtr);
|
Tcl_CancelIdleCall(EmbWinDelayedUnmap, (ClientData) ewPtr);
|
if (ewPtr->body.ew.textPtr->tkwin != Tk_Parent(tkwin)) {
|
if (ewPtr->body.ew.textPtr->tkwin != Tk_Parent(tkwin)) {
|
Tk_UnmaintainGeometry(tkwin, ewPtr->body.ew.textPtr->tkwin);
|
Tk_UnmaintainGeometry(tkwin, ewPtr->body.ew.textPtr->tkwin);
|
} else {
|
} else {
|
Tk_UnmapWindow(tkwin);
|
Tk_UnmapWindow(tkwin);
|
}
|
}
|
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&ewPtr->body.ew.textPtr->windowTable,
|
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&ewPtr->body.ew.textPtr->windowTable,
|
Tk_PathName(ewPtr->body.ew.tkwin)));
|
Tk_PathName(ewPtr->body.ew.tkwin)));
|
ewPtr->body.ew.tkwin = NULL;
|
ewPtr->body.ew.tkwin = NULL;
|
index.tree = ewPtr->body.ew.textPtr->tree;
|
index.tree = ewPtr->body.ew.textPtr->tree;
|
index.linePtr = ewPtr->body.ew.linePtr;
|
index.linePtr = ewPtr->body.ew.linePtr;
|
index.charIndex = TkTextSegToOffset(ewPtr, ewPtr->body.ew.linePtr);
|
index.charIndex = TkTextSegToOffset(ewPtr, ewPtr->body.ew.linePtr);
|
TkTextChanged(ewPtr->body.ew.textPtr, &index, &index);
|
TkTextChanged(ewPtr->body.ew.textPtr, &index, &index);
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinDeleteProc --
|
* EmbWinDeleteProc --
|
*
|
*
|
* This procedure is invoked by the text B-tree code whenever
|
* This procedure is invoked by the text B-tree code whenever
|
* an embedded window lies in a range of characters being deleted.
|
* an embedded window lies in a range of characters being deleted.
|
*
|
*
|
* Results:
|
* Results:
|
* Returns 0 to indicate that the deletion has been accepted.
|
* Returns 0 to indicate that the deletion has been accepted.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The embedded window is deleted, if it exists, and any resources
|
* The embedded window is deleted, if it exists, and any resources
|
* associated with it are released.
|
* associated with it are released.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static int
|
static int
|
EmbWinDeleteProc(ewPtr, linePtr, treeGone)
|
EmbWinDeleteProc(ewPtr, linePtr, treeGone)
|
TkTextSegment *ewPtr; /* Segment being deleted. */
|
TkTextSegment *ewPtr; /* Segment being deleted. */
|
TkTextLine *linePtr; /* Line containing segment. */
|
TkTextLine *linePtr; /* Line containing segment. */
|
int treeGone; /* Non-zero means the entire tree is
|
int treeGone; /* Non-zero means the entire tree is
|
* being deleted, so everything must
|
* being deleted, so everything must
|
* get cleaned up. */
|
* get cleaned up. */
|
{
|
{
|
Tcl_HashEntry *hPtr;
|
Tcl_HashEntry *hPtr;
|
|
|
if (ewPtr->body.ew.tkwin != NULL) {
|
if (ewPtr->body.ew.tkwin != NULL) {
|
hPtr = Tcl_FindHashEntry(&ewPtr->body.ew.textPtr->windowTable,
|
hPtr = Tcl_FindHashEntry(&ewPtr->body.ew.textPtr->windowTable,
|
Tk_PathName(ewPtr->body.ew.tkwin));
|
Tk_PathName(ewPtr->body.ew.tkwin));
|
if (hPtr != NULL) {
|
if (hPtr != NULL) {
|
/*
|
/*
|
* (It's possible for there to be no hash table entry for this
|
* (It's possible for there to be no hash table entry for this
|
* window, if an error occurred while creating the window segment
|
* window, if an error occurred while creating the window segment
|
* but before the window got added to the table)
|
* but before the window got added to the table)
|
*/
|
*/
|
|
|
Tcl_DeleteHashEntry(hPtr);
|
Tcl_DeleteHashEntry(hPtr);
|
}
|
}
|
|
|
/*
|
/*
|
* Delete the event handler for the window before destroying
|
* Delete the event handler for the window before destroying
|
* the window, so that EmbWinStructureProc doesn't get called
|
* the window, so that EmbWinStructureProc doesn't get called
|
* (we'll already do everything that it would have done, and
|
* (we'll already do everything that it would have done, and
|
* it will just get confused).
|
* it will just get confused).
|
*/
|
*/
|
|
|
Tk_DeleteEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask,
|
Tk_DeleteEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask,
|
EmbWinStructureProc, (ClientData) ewPtr);
|
EmbWinStructureProc, (ClientData) ewPtr);
|
Tk_DestroyWindow(ewPtr->body.ew.tkwin);
|
Tk_DestroyWindow(ewPtr->body.ew.tkwin);
|
}
|
}
|
Tcl_CancelIdleCall(EmbWinDelayedUnmap, (ClientData) ewPtr);
|
Tcl_CancelIdleCall(EmbWinDelayedUnmap, (ClientData) ewPtr);
|
Tk_FreeOptions(configSpecs, (char *) &ewPtr->body.ew,
|
Tk_FreeOptions(configSpecs, (char *) &ewPtr->body.ew,
|
ewPtr->body.ew.textPtr->display, 0);
|
ewPtr->body.ew.textPtr->display, 0);
|
ckfree((char *) ewPtr);
|
ckfree((char *) ewPtr);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinCleanupProc --
|
* EmbWinCleanupProc --
|
*
|
*
|
* This procedure is invoked by the B-tree code whenever a
|
* This procedure is invoked by the B-tree code whenever a
|
* segment containing an embedded window is moved from one
|
* segment containing an embedded window is moved from one
|
* line to another.
|
* line to another.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The linePtr field of the segment gets updated.
|
* The linePtr field of the segment gets updated.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
static TkTextSegment *
|
static TkTextSegment *
|
EmbWinCleanupProc(ewPtr, linePtr)
|
EmbWinCleanupProc(ewPtr, linePtr)
|
TkTextSegment *ewPtr; /* Mark segment that's being moved. */
|
TkTextSegment *ewPtr; /* Mark segment that's being moved. */
|
TkTextLine *linePtr; /* Line that now contains segment. */
|
TkTextLine *linePtr; /* Line that now contains segment. */
|
{
|
{
|
ewPtr->body.ew.linePtr = linePtr;
|
ewPtr->body.ew.linePtr = linePtr;
|
return ewPtr;
|
return ewPtr;
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinLayoutProc --
|
* EmbWinLayoutProc --
|
*
|
*
|
* This procedure is the "layoutProc" for embedded window
|
* This procedure is the "layoutProc" for embedded window
|
* segments.
|
* segments.
|
*
|
*
|
* Results:
|
* Results:
|
* 1 is returned to indicate that the segment should be
|
* 1 is returned to indicate that the segment should be
|
* displayed. The chunkPtr structure is filled in.
|
* displayed. The chunkPtr structure is filled in.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* None, except for filling in chunkPtr.
|
* None, except for filling in chunkPtr.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
/*ARGSUSED*/
|
/*ARGSUSED*/
|
static int
|
static int
|
EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
|
EmbWinLayoutProc(textPtr, indexPtr, ewPtr, offset, maxX, maxChars,
|
noCharsYet, wrapMode, chunkPtr)
|
noCharsYet, wrapMode, chunkPtr)
|
TkText *textPtr; /* Text widget being layed out. */
|
TkText *textPtr; /* Text widget being layed out. */
|
TkTextIndex *indexPtr; /* Identifies first character in chunk. */
|
TkTextIndex *indexPtr; /* Identifies first character in chunk. */
|
TkTextSegment *ewPtr; /* Segment corresponding to indexPtr. */
|
TkTextSegment *ewPtr; /* Segment corresponding to indexPtr. */
|
int offset; /* Offset within segPtr corresponding to
|
int offset; /* Offset within segPtr corresponding to
|
* indexPtr (always 0). */
|
* indexPtr (always 0). */
|
int maxX; /* Chunk must not occupy pixels at this
|
int maxX; /* Chunk must not occupy pixels at this
|
* position or higher. */
|
* position or higher. */
|
int maxChars; /* Chunk must not include more than this
|
int maxChars; /* Chunk must not include more than this
|
* many characters. */
|
* many characters. */
|
int noCharsYet; /* Non-zero means no characters have been
|
int noCharsYet; /* Non-zero means no characters have been
|
* assigned to this line yet. */
|
* assigned to this line yet. */
|
Tk_Uid wrapMode; /* Wrap mode to use for line: tkTextCharUid,
|
Tk_Uid wrapMode; /* Wrap mode to use for line: tkTextCharUid,
|
* tkTextNoneUid, or tkTextWordUid. */
|
* tkTextNoneUid, or tkTextWordUid. */
|
register TkTextDispChunk *chunkPtr;
|
register TkTextDispChunk *chunkPtr;
|
/* Structure to fill in with information
|
/* Structure to fill in with information
|
* about this chunk. The x field has already
|
* about this chunk. The x field has already
|
* been set by the caller. */
|
* been set by the caller. */
|
{
|
{
|
int width, height;
|
int width, height;
|
|
|
if (offset != 0) {
|
if (offset != 0) {
|
panic("Non-zero offset in EmbWinLayoutProc");
|
panic("Non-zero offset in EmbWinLayoutProc");
|
}
|
}
|
|
|
if ((ewPtr->body.ew.tkwin == NULL) && (ewPtr->body.ew.create != NULL)) {
|
if ((ewPtr->body.ew.tkwin == NULL) && (ewPtr->body.ew.create != NULL)) {
|
int code, new;
|
int code, new;
|
Tcl_DString name;
|
Tcl_DString name;
|
Tk_Window ancestor;
|
Tk_Window ancestor;
|
Tcl_HashEntry *hPtr;
|
Tcl_HashEntry *hPtr;
|
|
|
/*
|
/*
|
* The window doesn't currently exist. Create it by evaluating
|
* The window doesn't currently exist. Create it by evaluating
|
* the creation script. The script must return the window's
|
* the creation script. The script must return the window's
|
* path name: look up that name to get back to the window
|
* path name: look up that name to get back to the window
|
* token. Then register ourselves as the geometry manager for
|
* token. Then register ourselves as the geometry manager for
|
* the window.
|
* the window.
|
*/
|
*/
|
|
|
code = Tcl_GlobalEval(textPtr->interp, ewPtr->body.ew.create);
|
code = Tcl_GlobalEval(textPtr->interp, ewPtr->body.ew.create);
|
if (code != TCL_OK) {
|
if (code != TCL_OK) {
|
createError:
|
createError:
|
Tcl_BackgroundError(textPtr->interp);
|
Tcl_BackgroundError(textPtr->interp);
|
goto gotWindow;
|
goto gotWindow;
|
}
|
}
|
Tcl_DStringInit(&name);
|
Tcl_DStringInit(&name);
|
Tcl_DStringAppend(&name, textPtr->interp->result, -1);
|
Tcl_DStringAppend(&name, textPtr->interp->result, -1);
|
Tcl_ResetResult(textPtr->interp);
|
Tcl_ResetResult(textPtr->interp);
|
ewPtr->body.ew.tkwin = Tk_NameToWindow(textPtr->interp,
|
ewPtr->body.ew.tkwin = Tk_NameToWindow(textPtr->interp,
|
Tcl_DStringValue(&name), textPtr->tkwin);
|
Tcl_DStringValue(&name), textPtr->tkwin);
|
if (ewPtr->body.ew.tkwin == NULL) {
|
if (ewPtr->body.ew.tkwin == NULL) {
|
goto createError;
|
goto createError;
|
}
|
}
|
for (ancestor = textPtr->tkwin; ;
|
for (ancestor = textPtr->tkwin; ;
|
ancestor = Tk_Parent(ancestor)) {
|
ancestor = Tk_Parent(ancestor)) {
|
if (ancestor == Tk_Parent(ewPtr->body.ew.tkwin)) {
|
if (ancestor == Tk_Parent(ewPtr->body.ew.tkwin)) {
|
break;
|
break;
|
}
|
}
|
if (Tk_IsTopLevel(ancestor)) {
|
if (Tk_IsTopLevel(ancestor)) {
|
badMaster:
|
badMaster:
|
Tcl_AppendResult(textPtr->interp, "can't embed ",
|
Tcl_AppendResult(textPtr->interp, "can't embed ",
|
Tk_PathName(ewPtr->body.ew.tkwin), " relative to ",
|
Tk_PathName(ewPtr->body.ew.tkwin), " relative to ",
|
Tk_PathName(textPtr->tkwin), (char *) NULL);
|
Tk_PathName(textPtr->tkwin), (char *) NULL);
|
Tcl_BackgroundError(textPtr->interp);
|
Tcl_BackgroundError(textPtr->interp);
|
ewPtr->body.ew.tkwin = NULL;
|
ewPtr->body.ew.tkwin = NULL;
|
goto gotWindow;
|
goto gotWindow;
|
}
|
}
|
}
|
}
|
if (Tk_IsTopLevel(ewPtr->body.ew.tkwin)
|
if (Tk_IsTopLevel(ewPtr->body.ew.tkwin)
|
|| (textPtr->tkwin == ewPtr->body.ew.tkwin)) {
|
|| (textPtr->tkwin == ewPtr->body.ew.tkwin)) {
|
goto badMaster;
|
goto badMaster;
|
}
|
}
|
Tk_ManageGeometry(ewPtr->body.ew.tkwin, &textGeomType,
|
Tk_ManageGeometry(ewPtr->body.ew.tkwin, &textGeomType,
|
(ClientData) ewPtr);
|
(ClientData) ewPtr);
|
Tk_CreateEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask,
|
Tk_CreateEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask,
|
EmbWinStructureProc, (ClientData) ewPtr);
|
EmbWinStructureProc, (ClientData) ewPtr);
|
|
|
/*
|
/*
|
* Special trick! Must enter into the hash table *after*
|
* Special trick! Must enter into the hash table *after*
|
* calling Tk_ManageGeometry: if the window was already managed
|
* calling Tk_ManageGeometry: if the window was already managed
|
* elsewhere in this text, the Tk_ManageGeometry call will cause
|
* elsewhere in this text, the Tk_ManageGeometry call will cause
|
* the entry to be removed, which could potentially lose the new
|
* the entry to be removed, which could potentially lose the new
|
* entry.
|
* entry.
|
*/
|
*/
|
|
|
hPtr = Tcl_CreateHashEntry(&textPtr->windowTable,
|
hPtr = Tcl_CreateHashEntry(&textPtr->windowTable,
|
Tk_PathName(ewPtr->body.ew.tkwin), &new);
|
Tk_PathName(ewPtr->body.ew.tkwin), &new);
|
Tcl_SetHashValue(hPtr, ewPtr);
|
Tcl_SetHashValue(hPtr, ewPtr);
|
}
|
}
|
|
|
/*
|
/*
|
* See if there's room for this window on this line.
|
* See if there's room for this window on this line.
|
*/
|
*/
|
|
|
gotWindow:
|
gotWindow:
|
if (ewPtr->body.ew.tkwin == NULL) {
|
if (ewPtr->body.ew.tkwin == NULL) {
|
width = 0;
|
width = 0;
|
height = 0;
|
height = 0;
|
} else {
|
} else {
|
width = Tk_ReqWidth(ewPtr->body.ew.tkwin) + 2*ewPtr->body.ew.padX;
|
width = Tk_ReqWidth(ewPtr->body.ew.tkwin) + 2*ewPtr->body.ew.padX;
|
height = Tk_ReqHeight(ewPtr->body.ew.tkwin) + 2*ewPtr->body.ew.padY;
|
height = Tk_ReqHeight(ewPtr->body.ew.tkwin) + 2*ewPtr->body.ew.padY;
|
}
|
}
|
if ((width > (maxX - chunkPtr->x))
|
if ((width > (maxX - chunkPtr->x))
|
&& !noCharsYet && (textPtr->wrapMode != tkTextNoneUid)) {
|
&& !noCharsYet && (textPtr->wrapMode != tkTextNoneUid)) {
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Fill in the chunk structure.
|
* Fill in the chunk structure.
|
*/
|
*/
|
|
|
chunkPtr->displayProc = EmbWinDisplayProc;
|
chunkPtr->displayProc = EmbWinDisplayProc;
|
chunkPtr->undisplayProc = EmbWinUndisplayProc;
|
chunkPtr->undisplayProc = EmbWinUndisplayProc;
|
chunkPtr->measureProc = (Tk_ChunkMeasureProc *) NULL;
|
chunkPtr->measureProc = (Tk_ChunkMeasureProc *) NULL;
|
chunkPtr->bboxProc = EmbWinBboxProc;
|
chunkPtr->bboxProc = EmbWinBboxProc;
|
chunkPtr->numChars = 1;
|
chunkPtr->numChars = 1;
|
if (ewPtr->body.ew.align == ALIGN_BASELINE) {
|
if (ewPtr->body.ew.align == ALIGN_BASELINE) {
|
chunkPtr->minAscent = height - ewPtr->body.ew.padY;
|
chunkPtr->minAscent = height - ewPtr->body.ew.padY;
|
chunkPtr->minDescent = ewPtr->body.ew.padY;
|
chunkPtr->minDescent = ewPtr->body.ew.padY;
|
chunkPtr->minHeight = 0;
|
chunkPtr->minHeight = 0;
|
} else {
|
} else {
|
chunkPtr->minAscent = 0;
|
chunkPtr->minAscent = 0;
|
chunkPtr->minDescent = 0;
|
chunkPtr->minDescent = 0;
|
chunkPtr->minHeight = height;
|
chunkPtr->minHeight = height;
|
}
|
}
|
chunkPtr->width = width;
|
chunkPtr->width = width;
|
chunkPtr->breakIndex = -1;
|
chunkPtr->breakIndex = -1;
|
chunkPtr->breakIndex = 1;
|
chunkPtr->breakIndex = 1;
|
chunkPtr->clientData = (ClientData) ewPtr;
|
chunkPtr->clientData = (ClientData) ewPtr;
|
ewPtr->body.ew.chunkCount += 1;
|
ewPtr->body.ew.chunkCount += 1;
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinCheckProc --
|
* EmbWinCheckProc --
|
*
|
*
|
* This procedure is invoked by the B-tree code to perform
|
* This procedure is invoked by the B-tree code to perform
|
* consistency checks on embedded windows.
|
* consistency checks on embedded windows.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The procedure panics if it detects anything wrong with
|
* The procedure panics if it detects anything wrong with
|
* the embedded window.
|
* the embedded window.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
static void
|
static void
|
EmbWinCheckProc(ewPtr, linePtr)
|
EmbWinCheckProc(ewPtr, linePtr)
|
TkTextSegment *ewPtr; /* Segment to check. */
|
TkTextSegment *ewPtr; /* Segment to check. */
|
TkTextLine *linePtr; /* Line containing segment. */
|
TkTextLine *linePtr; /* Line containing segment. */
|
{
|
{
|
if (ewPtr->nextPtr == NULL) {
|
if (ewPtr->nextPtr == NULL) {
|
panic("EmbWinCheckProc: embedded window is last segment in line");
|
panic("EmbWinCheckProc: embedded window is last segment in line");
|
}
|
}
|
if (ewPtr->size != 1) {
|
if (ewPtr->size != 1) {
|
panic("EmbWinCheckProc: embedded window has size %d", ewPtr->size);
|
panic("EmbWinCheckProc: embedded window has size %d", ewPtr->size);
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinDisplayProc --
|
* EmbWinDisplayProc --
|
*
|
*
|
* This procedure is invoked by the text displaying code
|
* This procedure is invoked by the text displaying code
|
* when it is time to actually draw an embedded window
|
* when it is time to actually draw an embedded window
|
* chunk on the screen.
|
* chunk on the screen.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The embedded window gets moved to the correct location
|
* The embedded window gets moved to the correct location
|
* and mapped onto the screen.
|
* and mapped onto the screen.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
static void
|
static void
|
EmbWinDisplayProc(chunkPtr, x, y, lineHeight, baseline, display, dst, screenY)
|
EmbWinDisplayProc(chunkPtr, x, y, lineHeight, baseline, display, dst, screenY)
|
TkTextDispChunk *chunkPtr; /* Chunk that is to be drawn. */
|
TkTextDispChunk *chunkPtr; /* Chunk that is to be drawn. */
|
int x; /* X-position in dst at which to
|
int x; /* X-position in dst at which to
|
* draw this chunk (differs from
|
* draw this chunk (differs from
|
* the x-position in the chunk because
|
* the x-position in the chunk because
|
* of scrolling). */
|
* of scrolling). */
|
int y; /* Top of rectangular bounding box
|
int y; /* Top of rectangular bounding box
|
* for line: tells where to draw this
|
* for line: tells where to draw this
|
* chunk in dst (x-position is in
|
* chunk in dst (x-position is in
|
* the chunk itself). */
|
* the chunk itself). */
|
int lineHeight; /* Total height of line. */
|
int lineHeight; /* Total height of line. */
|
int baseline; /* Offset of baseline from y. */
|
int baseline; /* Offset of baseline from y. */
|
Display *display; /* Display to use for drawing. */
|
Display *display; /* Display to use for drawing. */
|
Drawable dst; /* Pixmap or window in which to draw */
|
Drawable dst; /* Pixmap or window in which to draw */
|
int screenY; /* Y-coordinate in text window that
|
int screenY; /* Y-coordinate in text window that
|
* corresponds to y. */
|
* corresponds to y. */
|
{
|
{
|
TkTextSegment *ewPtr = (TkTextSegment *) chunkPtr->clientData;
|
TkTextSegment *ewPtr = (TkTextSegment *) chunkPtr->clientData;
|
int lineX, windowX, windowY, width, height;
|
int lineX, windowX, windowY, width, height;
|
Tk_Window tkwin;
|
Tk_Window tkwin;
|
|
|
tkwin = ewPtr->body.ew.tkwin;
|
tkwin = ewPtr->body.ew.tkwin;
|
if (tkwin == NULL) {
|
if (tkwin == NULL) {
|
return;
|
return;
|
}
|
}
|
if ((x + chunkPtr->width) <= 0) {
|
if ((x + chunkPtr->width) <= 0) {
|
/*
|
/*
|
* The window is off-screen; just unmap it.
|
* The window is off-screen; just unmap it.
|
*/
|
*/
|
|
|
if (ewPtr->body.ew.textPtr->tkwin != Tk_Parent(tkwin)) {
|
if (ewPtr->body.ew.textPtr->tkwin != Tk_Parent(tkwin)) {
|
Tk_UnmaintainGeometry(tkwin, ewPtr->body.ew.textPtr->tkwin);
|
Tk_UnmaintainGeometry(tkwin, ewPtr->body.ew.textPtr->tkwin);
|
} else {
|
} else {
|
Tk_UnmapWindow(tkwin);
|
Tk_UnmapWindow(tkwin);
|
}
|
}
|
return;
|
return;
|
}
|
}
|
|
|
/*
|
/*
|
* Compute the window's location and size in the text widget, taking
|
* Compute the window's location and size in the text widget, taking
|
* into account the align and stretch values for the window.
|
* into account the align and stretch values for the window.
|
*/
|
*/
|
|
|
EmbWinBboxProc(chunkPtr, 0, screenY, lineHeight, baseline, &lineX,
|
EmbWinBboxProc(chunkPtr, 0, screenY, lineHeight, baseline, &lineX,
|
&windowY, &width, &height);
|
&windowY, &width, &height);
|
windowX = lineX - chunkPtr->x + x;
|
windowX = lineX - chunkPtr->x + x;
|
|
|
if (ewPtr->body.ew.textPtr->tkwin == Tk_Parent(tkwin)) {
|
if (ewPtr->body.ew.textPtr->tkwin == Tk_Parent(tkwin)) {
|
if ((windowX != Tk_X(tkwin)) || (windowY != Tk_Y(tkwin))
|
if ((windowX != Tk_X(tkwin)) || (windowY != Tk_Y(tkwin))
|
|| (Tk_ReqWidth(tkwin) != Tk_Width(tkwin))
|
|| (Tk_ReqWidth(tkwin) != Tk_Width(tkwin))
|
|| (height != Tk_Height(tkwin))) {
|
|| (height != Tk_Height(tkwin))) {
|
Tk_MoveResizeWindow(tkwin, windowX, windowY, width, height);
|
Tk_MoveResizeWindow(tkwin, windowX, windowY, width, height);
|
}
|
}
|
Tk_MapWindow(tkwin);
|
Tk_MapWindow(tkwin);
|
} else {
|
} else {
|
Tk_MaintainGeometry(tkwin, ewPtr->body.ew.textPtr->tkwin,
|
Tk_MaintainGeometry(tkwin, ewPtr->body.ew.textPtr->tkwin,
|
windowX, windowY, width, height);
|
windowX, windowY, width, height);
|
}
|
}
|
|
|
/*
|
/*
|
* Mark the window as displayed so that it won't get unmapped.
|
* Mark the window as displayed so that it won't get unmapped.
|
*/
|
*/
|
|
|
ewPtr->body.ew.displayed = 1;
|
ewPtr->body.ew.displayed = 1;
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinUndisplayProc --
|
* EmbWinUndisplayProc --
|
*
|
*
|
* This procedure is called when the chunk for an embedded
|
* This procedure is called when the chunk for an embedded
|
* window is no longer going to be displayed. It arranges
|
* window is no longer going to be displayed. It arranges
|
* for the window associated with the chunk to be unmapped.
|
* for the window associated with the chunk to be unmapped.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The window is scheduled for unmapping.
|
* The window is scheduled for unmapping.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
static void
|
static void
|
EmbWinUndisplayProc(textPtr, chunkPtr)
|
EmbWinUndisplayProc(textPtr, chunkPtr)
|
TkText *textPtr; /* Overall information about text
|
TkText *textPtr; /* Overall information about text
|
* widget. */
|
* widget. */
|
TkTextDispChunk *chunkPtr; /* Chunk that is about to be freed. */
|
TkTextDispChunk *chunkPtr; /* Chunk that is about to be freed. */
|
{
|
{
|
TkTextSegment *ewPtr = (TkTextSegment *) chunkPtr->clientData;
|
TkTextSegment *ewPtr = (TkTextSegment *) chunkPtr->clientData;
|
|
|
ewPtr->body.ew.chunkCount--;
|
ewPtr->body.ew.chunkCount--;
|
if (ewPtr->body.ew.chunkCount == 0) {
|
if (ewPtr->body.ew.chunkCount == 0) {
|
/*
|
/*
|
* Don't unmap the window immediately, since there's a good chance
|
* Don't unmap the window immediately, since there's a good chance
|
* that it will immediately be redisplayed, perhaps even in the
|
* that it will immediately be redisplayed, perhaps even in the
|
* same place. Instead, schedule the window to be unmapped later;
|
* same place. Instead, schedule the window to be unmapped later;
|
* the call to EmbWinDelayedUnmap will be cancelled in the likely
|
* the call to EmbWinDelayedUnmap will be cancelled in the likely
|
* event that the unmap becomes unnecessary.
|
* event that the unmap becomes unnecessary.
|
*/
|
*/
|
|
|
ewPtr->body.ew.displayed = 0;
|
ewPtr->body.ew.displayed = 0;
|
Tcl_DoWhenIdle(EmbWinDelayedUnmap, (ClientData) ewPtr);
|
Tcl_DoWhenIdle(EmbWinDelayedUnmap, (ClientData) ewPtr);
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinBboxProc --
|
* EmbWinBboxProc --
|
*
|
*
|
* This procedure is called to compute the bounding box of
|
* This procedure is called to compute the bounding box of
|
* the area occupied by an embedded window.
|
* the area occupied by an embedded window.
|
*
|
*
|
* Results:
|
* Results:
|
* There is no return value. *xPtr and *yPtr are filled in
|
* There is no return value. *xPtr and *yPtr are filled in
|
* with the coordinates of the upper left corner of the
|
* with the coordinates of the upper left corner of the
|
* window, and *widthPtr and *heightPtr are filled in with
|
* window, and *widthPtr and *heightPtr are filled in with
|
* the dimensions of the window in pixels. Note: not all
|
* the dimensions of the window in pixels. Note: not all
|
* of the returned bbox is necessarily visible on the screen
|
* of the returned bbox is necessarily visible on the screen
|
* (the rightmost part might be off-screen to the right,
|
* (the rightmost part might be off-screen to the right,
|
* and the bottommost part might be off-screen to the bottom).
|
* and the bottommost part might be off-screen to the bottom).
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* None.
|
* None.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
static void
|
static void
|
EmbWinBboxProc(chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr,
|
EmbWinBboxProc(chunkPtr, index, y, lineHeight, baseline, xPtr, yPtr,
|
widthPtr, heightPtr)
|
widthPtr, heightPtr)
|
TkTextDispChunk *chunkPtr; /* Chunk containing desired char. */
|
TkTextDispChunk *chunkPtr; /* Chunk containing desired char. */
|
int index; /* Index of desired character within
|
int index; /* Index of desired character within
|
* the chunk. */
|
* the chunk. */
|
int y; /* Topmost pixel in area allocated
|
int y; /* Topmost pixel in area allocated
|
* for this line. */
|
* for this line. */
|
int lineHeight; /* Total height of line. */
|
int lineHeight; /* Total height of line. */
|
int baseline; /* Location of line's baseline, in
|
int baseline; /* Location of line's baseline, in
|
* pixels measured down from y. */
|
* pixels measured down from y. */
|
int *xPtr, *yPtr; /* Gets filled in with coords of
|
int *xPtr, *yPtr; /* Gets filled in with coords of
|
* character's upper-left pixel. */
|
* character's upper-left pixel. */
|
int *widthPtr; /* Gets filled in with width of
|
int *widthPtr; /* Gets filled in with width of
|
* character, in pixels. */
|
* character, in pixels. */
|
int *heightPtr; /* Gets filled in with height of
|
int *heightPtr; /* Gets filled in with height of
|
* character, in pixels. */
|
* character, in pixels. */
|
{
|
{
|
TkTextSegment *ewPtr = (TkTextSegment *) chunkPtr->clientData;
|
TkTextSegment *ewPtr = (TkTextSegment *) chunkPtr->clientData;
|
Tk_Window tkwin;
|
Tk_Window tkwin;
|
|
|
tkwin = ewPtr->body.ew.tkwin;
|
tkwin = ewPtr->body.ew.tkwin;
|
if (tkwin != NULL) {
|
if (tkwin != NULL) {
|
*widthPtr = Tk_ReqWidth(tkwin);
|
*widthPtr = Tk_ReqWidth(tkwin);
|
*heightPtr = Tk_ReqHeight(tkwin);
|
*heightPtr = Tk_ReqHeight(tkwin);
|
} else {
|
} else {
|
*widthPtr = 0;
|
*widthPtr = 0;
|
*heightPtr = 0;
|
*heightPtr = 0;
|
}
|
}
|
*xPtr = chunkPtr->x + ewPtr->body.ew.padX;
|
*xPtr = chunkPtr->x + ewPtr->body.ew.padX;
|
if (ewPtr->body.ew.stretch) {
|
if (ewPtr->body.ew.stretch) {
|
if (ewPtr->body.ew.align == ALIGN_BASELINE) {
|
if (ewPtr->body.ew.align == ALIGN_BASELINE) {
|
*heightPtr = baseline - ewPtr->body.ew.padY;
|
*heightPtr = baseline - ewPtr->body.ew.padY;
|
} else {
|
} else {
|
*heightPtr = lineHeight - 2*ewPtr->body.ew.padY;
|
*heightPtr = lineHeight - 2*ewPtr->body.ew.padY;
|
}
|
}
|
}
|
}
|
switch (ewPtr->body.ew.align) {
|
switch (ewPtr->body.ew.align) {
|
case ALIGN_BOTTOM:
|
case ALIGN_BOTTOM:
|
*yPtr = y + (lineHeight - *heightPtr - ewPtr->body.ew.padY);
|
*yPtr = y + (lineHeight - *heightPtr - ewPtr->body.ew.padY);
|
break;
|
break;
|
case ALIGN_CENTER:
|
case ALIGN_CENTER:
|
*yPtr = y + (lineHeight - *heightPtr)/2;
|
*yPtr = y + (lineHeight - *heightPtr)/2;
|
break;
|
break;
|
case ALIGN_TOP:
|
case ALIGN_TOP:
|
*yPtr = y + ewPtr->body.ew.padY;
|
*yPtr = y + ewPtr->body.ew.padY;
|
break;
|
break;
|
case ALIGN_BASELINE:
|
case ALIGN_BASELINE:
|
*yPtr = y + (baseline - *heightPtr);
|
*yPtr = y + (baseline - *heightPtr);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* EmbWinDelayedUnmap --
|
* EmbWinDelayedUnmap --
|
*
|
*
|
* This procedure is an idle handler that does the actual
|
* This procedure is an idle handler that does the actual
|
* work of unmapping an embedded window. See the comment
|
* work of unmapping an embedded window. See the comment
|
* in EmbWinUndisplayProc for details.
|
* in EmbWinUndisplayProc for details.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The window gets unmapped, unless its chunk reference count
|
* The window gets unmapped, unless its chunk reference count
|
* has become non-zero again.
|
* has become non-zero again.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
static void
|
static void
|
EmbWinDelayedUnmap(clientData)
|
EmbWinDelayedUnmap(clientData)
|
ClientData clientData; /* Token for the window to
|
ClientData clientData; /* Token for the window to
|
* be unmapped. */
|
* be unmapped. */
|
{
|
{
|
TkTextSegment *ewPtr = (TkTextSegment *) clientData;
|
TkTextSegment *ewPtr = (TkTextSegment *) clientData;
|
|
|
if (!ewPtr->body.ew.displayed && (ewPtr->body.ew.tkwin != NULL)) {
|
if (!ewPtr->body.ew.displayed && (ewPtr->body.ew.tkwin != NULL)) {
|
if (ewPtr->body.ew.textPtr->tkwin != Tk_Parent(ewPtr->body.ew.tkwin)) {
|
if (ewPtr->body.ew.textPtr->tkwin != Tk_Parent(ewPtr->body.ew.tkwin)) {
|
Tk_UnmaintainGeometry(ewPtr->body.ew.tkwin,
|
Tk_UnmaintainGeometry(ewPtr->body.ew.tkwin,
|
ewPtr->body.ew.textPtr->tkwin);
|
ewPtr->body.ew.textPtr->tkwin);
|
} else {
|
} else {
|
Tk_UnmapWindow(ewPtr->body.ew.tkwin);
|
Tk_UnmapWindow(ewPtr->body.ew.tkwin);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*
|
*
|
* TkTextWindowIndex --
|
* TkTextWindowIndex --
|
*
|
*
|
* Given the name of an embedded window within a text widget,
|
* Given the name of an embedded window within a text widget,
|
* returns an index corresponding to the window's position
|
* returns an index corresponding to the window's position
|
* in the text.
|
* in the text.
|
*
|
*
|
* Results:
|
* Results:
|
* The return value is 1 if there is an embedded window by
|
* The return value is 1 if there is an embedded window by
|
* the given name in the text widget, 0 otherwise. If the
|
* the given name in the text widget, 0 otherwise. If the
|
* window exists, *indexPtr is filled in with its index.
|
* window exists, *indexPtr is filled in with its index.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* None.
|
* None.
|
*
|
*
|
*--------------------------------------------------------------
|
*--------------------------------------------------------------
|
*/
|
*/
|
|
|
int
|
int
|
TkTextWindowIndex(textPtr, name, indexPtr)
|
TkTextWindowIndex(textPtr, name, indexPtr)
|
TkText *textPtr; /* Text widget containing window. */
|
TkText *textPtr; /* Text widget containing window. */
|
char *name; /* Name of window. */
|
char *name; /* Name of window. */
|
TkTextIndex *indexPtr; /* Index information gets stored here. */
|
TkTextIndex *indexPtr; /* Index information gets stored here. */
|
{
|
{
|
Tcl_HashEntry *hPtr;
|
Tcl_HashEntry *hPtr;
|
TkTextSegment *ewPtr;
|
TkTextSegment *ewPtr;
|
|
|
hPtr = Tcl_FindHashEntry(&textPtr->windowTable, name);
|
hPtr = Tcl_FindHashEntry(&textPtr->windowTable, name);
|
if (hPtr == NULL) {
|
if (hPtr == NULL) {
|
return 0;
|
return 0;
|
}
|
}
|
ewPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr);
|
ewPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr);
|
indexPtr->tree = textPtr->tree;
|
indexPtr->tree = textPtr->tree;
|
indexPtr->linePtr = ewPtr->body.ew.linePtr;
|
indexPtr->linePtr = ewPtr->body.ew.linePtr;
|
indexPtr->charIndex = TkTextSegToOffset(ewPtr, indexPtr->linePtr);
|
indexPtr->charIndex = TkTextSegToOffset(ewPtr, indexPtr->linePtr);
|
return 1;
|
return 1;
|
}
|
}
|
|
|
