diff options
Diffstat (limited to 'generic/tkText.c')
| -rw-r--r-- | generic/tkText.c | 1090 |
1 files changed, 643 insertions, 447 deletions
diff --git a/generic/tkText.c b/generic/tkText.c index 8edf82d..412a7f2 100644 --- a/generic/tkText.c +++ b/generic/tkText.c @@ -73,6 +73,16 @@ static const char *const tabStyleStrings[] = { }; /* + * The 'TkTextInsertUnfocussed' enum in tkText.h is used to define a type for + * the -insertunfocussed option of the Text widget. These values are used as + * indice into the string table below. + */ + +static const char *const insertUnfocussedStrings[] = { + "hollow", "none", "solid", NULL +}; + +/* * The following functions and custom option type are used to define the * "line" option type, and thereby handle the text widget '-startline', * '-endline' configuration options which are of that type. @@ -112,15 +122,16 @@ static const Tk_ObjCustomOption lineOption = { static const Tk_OptionSpec optionSpecs[] = { {TK_OPTION_BOOLEAN, "-autoseparators", "autoSeparators", "AutoSeparators", DEF_TEXT_AUTO_SEPARATORS, -1, - Tk_Offset(TkText, autoSeparators), 0, 0, 0}, + Tk_Offset(TkText, autoSeparators), + TK_OPTION_DONT_SET_DEFAULT, 0, 0}, {TK_OPTION_BORDER, "-background", "background", "Background", DEF_TEXT_BG_COLOR, -1, Tk_Offset(TkText, border), - 0, (ClientData) DEF_TEXT_BG_MONO, 0}, + 0, DEF_TEXT_BG_MONO, 0}, {TK_OPTION_SYNONYM, "-bd", NULL, NULL, - NULL, 0, -1, 0, (ClientData) "-borderwidth", + NULL, 0, -1, 0, "-borderwidth", TK_TEXT_LINE_GEOMETRY}, {TK_OPTION_SYNONYM, "-bg", NULL, NULL, - NULL, 0, -1, 0, (ClientData) "-background", 0}, + NULL, 0, -1, 0, "-background", 0}, {TK_OPTION_BOOLEAN, "-blockcursor", "blockCursor", "BlockCursor", DEF_TEXT_BLOCK_CURSOR, -1, Tk_Offset(TkText, insertCursorType), 0, 0, 0}, @@ -132,12 +143,12 @@ static const Tk_OptionSpec optionSpecs[] = { TK_OPTION_NULL_OK, 0, 0}, {TK_OPTION_CUSTOM, "-endline", NULL, NULL, NULL, -1, Tk_Offset(TkText, end), TK_OPTION_NULL_OK, - (ClientData) &lineOption, TK_TEXT_LINE_RANGE}, + &lineOption, TK_TEXT_LINE_RANGE}, {TK_OPTION_BOOLEAN, "-exportselection", "exportSelection", "ExportSelection", DEF_TEXT_EXPORT_SELECTION, -1, Tk_Offset(TkText, exportSelection), 0, 0, 0}, {TK_OPTION_SYNONYM, "-fg", "foreground", NULL, - NULL, 0, -1, 0, (ClientData) "-foreground", 0}, + NULL, 0, -1, 0, "-foreground", 0}, {TK_OPTION_FONT, "-font", "font", "Font", DEF_TEXT_FONT, -1, Tk_Offset(TkText, tkfont), 0, 0, TK_TEXT_LINE_GEOMETRY}, @@ -160,7 +171,7 @@ static const Tk_OptionSpec optionSpecs[] = { "Foreground", DEF_TEXT_INACTIVE_SELECT_COLOR, -1, Tk_Offset(TkText, inactiveSelBorder), - TK_OPTION_NULL_OK, (ClientData) DEF_TEXT_SELECT_MONO, 0}, + TK_OPTION_NULL_OK, DEF_TEXT_SELECT_MONO, 0}, {TK_OPTION_BORDER, "-insertbackground", "insertBackground", "Foreground", DEF_TEXT_INSERT_BG, -1, Tk_Offset(TkText, insertBorder), @@ -175,11 +186,16 @@ static const Tk_OptionSpec optionSpecs[] = { {TK_OPTION_INT, "-insertontime", "insertOnTime", "OnTime", DEF_TEXT_INSERT_ON_TIME, -1, Tk_Offset(TkText, insertOnTime), 0, 0, 0}, + {TK_OPTION_STRING_TABLE, + "-insertunfocussed", "insertUnfocussed", "InsertUnfocussed", + DEF_TEXT_INSERT_UNFOCUSSED, -1, Tk_Offset(TkText, insertUnfocussed), + 0, insertUnfocussedStrings, 0}, {TK_OPTION_PIXELS, "-insertwidth", "insertWidth", "InsertWidth", DEF_TEXT_INSERT_WIDTH, -1, Tk_Offset(TkText, insertWidth), 0, 0, 0}, {TK_OPTION_INT, "-maxundo", "maxUndo", "MaxUndo", - DEF_TEXT_MAX_UNDO, -1, Tk_Offset(TkText, maxUndo), 0, 0, 0}, + DEF_TEXT_MAX_UNDO, -1, Tk_Offset(TkText, maxUndo), + TK_OPTION_DONT_SET_DEFAULT, 0, 0}, {TK_OPTION_PIXELS, "-padx", "padX", "Pad", DEF_TEXT_PADX, -1, Tk_Offset(TkText, padX), 0, 0, TK_TEXT_LINE_GEOMETRY}, @@ -189,15 +205,15 @@ static const Tk_OptionSpec optionSpecs[] = { DEF_TEXT_RELIEF, -1, Tk_Offset(TkText, relief), 0, 0, 0}, {TK_OPTION_BORDER, "-selectbackground", "selectBackground", "Foreground", DEF_TEXT_SELECT_COLOR, -1, Tk_Offset(TkText, selBorder), - 0, (ClientData) DEF_TEXT_SELECT_MONO, 0}, + 0, DEF_TEXT_SELECT_MONO, 0}, {TK_OPTION_PIXELS, "-selectborderwidth", "selectBorderWidth", "BorderWidth", DEF_TEXT_SELECT_BD_COLOR, Tk_Offset(TkText, selBorderWidthPtr), Tk_Offset(TkText, selBorderWidth), - TK_OPTION_NULL_OK, (ClientData) DEF_TEXT_SELECT_BD_MONO, 0}, + TK_OPTION_NULL_OK, DEF_TEXT_SELECT_BD_MONO, 0}, {TK_OPTION_COLOR, "-selectforeground", "selectForeground", "Background", DEF_TEXT_SELECT_FG_COLOR, -1, Tk_Offset(TkText, selFgColorPtr), - TK_OPTION_NULL_OK, (ClientData) DEF_TEXT_SELECT_FG_MONO, 0}, + TK_OPTION_NULL_OK, DEF_TEXT_SELECT_FG_MONO, 0}, {TK_OPTION_BOOLEAN, "-setgrid", "setGrid", "SetGrid", DEF_TEXT_SET_GRID, -1, Tk_Offset(TkText, setGrid), 0, 0, 0}, {TK_OPTION_PIXELS, "-spacing1", "spacing1", "Spacing", @@ -211,27 +227,28 @@ static const Tk_OptionSpec optionSpecs[] = { 0, 0 , TK_TEXT_LINE_GEOMETRY }, {TK_OPTION_CUSTOM, "-startline", NULL, NULL, NULL, -1, Tk_Offset(TkText, start), TK_OPTION_NULL_OK, - (ClientData) &lineOption, TK_TEXT_LINE_RANGE}, + &lineOption, TK_TEXT_LINE_RANGE}, {TK_OPTION_STRING_TABLE, "-state", "state", "State", DEF_TEXT_STATE, -1, Tk_Offset(TkText, state), - 0, (ClientData) stateStrings, 0}, + 0, stateStrings, 0}, {TK_OPTION_STRING, "-tabs", "tabs", "Tabs", DEF_TEXT_TABS, Tk_Offset(TkText, tabOptionPtr), -1, TK_OPTION_NULL_OK, 0, TK_TEXT_LINE_GEOMETRY}, {TK_OPTION_STRING_TABLE, "-tabstyle", "tabStyle", "TabStyle", DEF_TEXT_TABSTYLE, -1, Tk_Offset(TkText, tabStyle), - 0, (ClientData) tabStyleStrings, TK_TEXT_LINE_GEOMETRY}, + 0, tabStyleStrings, TK_TEXT_LINE_GEOMETRY}, {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus", DEF_TEXT_TAKE_FOCUS, -1, Tk_Offset(TkText, takeFocus), TK_OPTION_NULL_OK, 0, 0}, {TK_OPTION_BOOLEAN, "-undo", "undo", "Undo", - DEF_TEXT_UNDO, -1, Tk_Offset(TkText, undo), 0, 0 , 0}, + DEF_TEXT_UNDO, -1, Tk_Offset(TkText, undo), + TK_OPTION_DONT_SET_DEFAULT, 0 , 0}, {TK_OPTION_INT, "-width", "width", "Width", DEF_TEXT_WIDTH, -1, Tk_Offset(TkText, width), 0, 0, TK_TEXT_LINE_GEOMETRY}, {TK_OPTION_STRING_TABLE, "-wrap", "wrap", "Wrap", DEF_TEXT_WRAP, -1, Tk_Offset(TkText, wrapMode), - 0, (ClientData) wrapStrings, TK_TEXT_LINE_GEOMETRY}, + 0, wrapStrings, TK_TEXT_LINE_GEOMETRY}, {TK_OPTION_STRING, "-xscrollcommand", "xScrollCommand", "ScrollCommand", DEF_TEXT_XSCROLL_COMMAND, -1, Tk_Offset(TkText, xScrollCmd), TK_OPTION_NULL_OK, 0, 0}, @@ -387,7 +404,9 @@ static Tcl_Obj * TextGetText(const TkText *textPtr, const TkTextIndex *index1, const TkTextIndex *index2, int visibleOnly); static void GenerateModifiedEvent(TkText *textPtr); +static void GenerateUndoStackEvent(TkText *textPtr); static void UpdateDirtyFlag(TkSharedText *sharedPtr); +static void RunAfterSyncCmd(ClientData clientData); static void TextPushUndoAction(TkText *textPtr, Tcl_Obj *undoString, int insert, const TkTextIndex *index1Ptr, @@ -412,7 +431,7 @@ static SearchLineIndexProc TextSearchGetLineIndex; * can be invoked from generic window code. */ -static Tk_ClassProcs textClass = { +static const Tk_ClassProcs textClass = { sizeof(Tk_ClassProcs), /* size */ TextWorldChangedCallback, /* worldChangedProc */ NULL, /* createProc */ @@ -443,10 +462,10 @@ Tk_TextObjCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { - Tk_Window tkwin = (Tk_Window) clientData; + Tk_Window tkwin = clientData; if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, "pathName ?options?"); + Tcl_WrongNumArgs(interp, 1, objv, "pathName ?-option value ...?"); return TCL_ERROR; } @@ -505,7 +524,7 @@ CreateWidget( * and 'insert', 'current' mark pointers are all NULL to start. */ - textPtr = (TkText *) ckalloc(sizeof(TkText)); + textPtr = ckalloc(sizeof(TkText)); memset(textPtr, 0, sizeof(TkText)); textPtr->tkwin = newWin; @@ -513,10 +532,10 @@ CreateWidget( textPtr->interp = interp; textPtr->widgetCmd = Tcl_CreateObjCommand(interp, Tk_PathName(textPtr->tkwin), TextWidgetObjCmd, - (ClientData) textPtr, TextCmdDeletedProc); + textPtr, TextCmdDeletedProc); if (sharedPtr == NULL) { - sharedPtr = (TkSharedText *) ckalloc(sizeof(TkSharedText)); + sharedPtr = ckalloc(sizeof(TkSharedText)); memset(sharedPtr, 0, sizeof(TkSharedText)); sharedPtr->refCount = 0; @@ -528,7 +547,7 @@ CreateWidget( Tcl_InitHashTable(&sharedPtr->windowTable, TCL_STRING_KEYS); Tcl_InitHashTable(&sharedPtr->imageTable, TCL_STRING_KEYS); sharedPtr->undoStack = TkUndoInitStack(interp,0); - sharedPtr->undo = 1; + sharedPtr->undo = 0; sharedPtr->isDirty = 0; sharedPtr->dirtyMode = TK_TEXT_DIRTY_NORMAL; sharedPtr->autoSeparators = 1; @@ -614,7 +633,7 @@ CreateWidget( */ textPtr->selTagPtr = TkTextCreateTag(textPtr, "sel", NULL); - textPtr->selTagPtr->reliefString = (char *) + textPtr->selTagPtr->reliefString = ckalloc(sizeof(DEF_TEXT_SELECT_RELIEF)); strcpy(textPtr->selTagPtr->reliefString, DEF_TEXT_SELECT_RELIEF); Tk_GetRelief(interp, DEF_TEXT_SELECT_RELIEF, &textPtr->selTagPtr->relief); @@ -629,18 +648,18 @@ CreateWidget( optionTable = Tk_CreateOptionTable(interp, optionSpecs); Tk_SetClass(textPtr->tkwin, "Text"); - Tk_SetClassProcs(textPtr->tkwin, &textClass, (ClientData) textPtr); + Tk_SetClassProcs(textPtr->tkwin, &textClass, textPtr); textPtr->optionTable = optionTable; Tk_CreateEventHandler(textPtr->tkwin, ExposureMask|StructureNotifyMask|FocusChangeMask, - TextEventProc, (ClientData) textPtr); + TextEventProc, textPtr); Tk_CreateEventHandler(textPtr->tkwin, KeyPressMask|KeyReleaseMask |ButtonPressMask|ButtonReleaseMask|EnterWindowMask |LeaveWindowMask|PointerMotionMask|VirtualEventMask, - TkTextBindProc, (ClientData) textPtr); + TkTextBindProc, textPtr); Tk_CreateSelHandler(textPtr->tkwin, XA_PRIMARY, XA_STRING, - TextFetchSelection, (ClientData) textPtr, XA_STRING); + TextFetchSelection, textPtr, XA_STRING); if (Tk_InitOptions(interp, (char *) textPtr, optionTable, textPtr->tkwin) != TCL_OK) { @@ -652,8 +671,7 @@ CreateWidget( return TCL_ERROR; } - Tcl_SetObjResult(interp, - Tcl_NewStringObj(Tk_PathName(textPtr->tkwin),-1)); + Tcl_SetObjResult(interp, TkNewWindowObj(textPtr->tkwin)); return TCL_OK; } @@ -682,31 +700,32 @@ TextWidgetObjCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { - register TkText *textPtr = (TkText *) clientData; + register TkText *textPtr = clientData; int result = TCL_OK; int index; - static const char *optionStrings[] = { + static const char *const optionStrings[] = { "bbox", "cget", "compare", "configure", "count", "debug", "delete", "dlineinfo", "dump", "edit", "get", "image", "index", "insert", - "mark", "peer", "replace", "scan", "search", "see", "tag", "window", - "xview", "yview", NULL + "mark", "peer", "pendingsync", "replace", "scan", "search", + "see", "sync", "tag", "window", "xview", "yview", NULL }; enum options { TEXT_BBOX, TEXT_CGET, TEXT_COMPARE, TEXT_CONFIGURE, TEXT_COUNT, TEXT_DEBUG, TEXT_DELETE, TEXT_DLINEINFO, TEXT_DUMP, TEXT_EDIT, TEXT_GET, TEXT_IMAGE, TEXT_INDEX, TEXT_INSERT, TEXT_MARK, - TEXT_PEER, TEXT_REPLACE, TEXT_SCAN, TEXT_SEARCH, TEXT_SEE, - TEXT_TAG, TEXT_WINDOW, TEXT_XVIEW, TEXT_YVIEW + TEXT_PEER, TEXT_PENDINGSYNC, TEXT_REPLACE, TEXT_SCAN, + TEXT_SEARCH, TEXT_SEE, TEXT_SYNC, TEXT_TAG, TEXT_WINDOW, + TEXT_XVIEW, TEXT_YVIEW }; if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, "option ?arg arg ...?"); + Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); return TCL_ERROR; } - if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0, - &index) != TCL_OK) { + if (Tcl_GetIndexFromObjStruct(interp, objv[1], optionStrings, + sizeof(char *), "option", 0, &index) != TCL_OK) { return TCL_ERROR; } textPtr->refCount++; @@ -747,13 +766,13 @@ TextWidgetObjCmd( } else { Tcl_Obj *objPtr = Tk_GetOptionValue(interp, (char *) textPtr, textPtr->optionTable, objv[2], textPtr->tkwin); + if (objPtr == NULL) { result = TCL_ERROR; goto done; - } else { - Tcl_SetObjResult(interp, objPtr); - result = TCL_OK; } + Tcl_SetObjResult(interp, objPtr); + result = TCL_OK; } break; case TEXT_COMPARE: { @@ -779,12 +798,7 @@ TextWidgetObjCmd( if ((p[1] == '=') && (p[2] == 0)) { value = (relation <= 0); } else if (p[1] != 0) { - compareError: - Tcl_AppendResult(interp, "bad comparison operator \"", - Tcl_GetString(objv[3]), - "\": must be <, <=, ==, >=, >, or !=", NULL); - result = TCL_ERROR; - goto done; + goto compareError; } } else if (p[0] == '>') { value = (relation > 0); @@ -802,18 +816,26 @@ TextWidgetObjCmd( } Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value)); break; + + compareError: + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "bad comparison operator \"%s\": must be" + " <, <=, ==, >=, >, or !=", Tcl_GetString(objv[3]))); + Tcl_SetErrorCode(interp, "TK", "VALUE", "COMPARISON", NULL); + result = TCL_ERROR; + goto done; } case TEXT_CONFIGURE: if (objc <= 3) { Tcl_Obj *objPtr = Tk_GetOptionInfo(interp, (char *) textPtr, textPtr->optionTable, ((objc == 3) ? objv[2] : NULL), textPtr->tkwin); + if (objPtr == NULL) { result = TCL_ERROR; goto done; - } else { - Tcl_SetObjResult(interp, objPtr); } + Tcl_SetObjResult(interp, objPtr); } else { result = ConfigureText(interp, textPtr, objc-2, objv+2); } @@ -824,7 +846,8 @@ TextWidgetObjCmd( Tcl_Obj *objPtr = NULL; if (objc < 4) { - Tcl_WrongNumArgs(interp, 2, objv, "?options? index1 index2"); + Tcl_WrongNumArgs(interp, 2, objv, + "?-option value ...? index1 index2"); result = TCL_ERROR; goto done; } @@ -842,19 +865,12 @@ TextWidgetObjCmd( for (i = 2; i < objc-2; i++) { int value, length; - const char *option = Tcl_GetStringFromObj(objv[i], &length); + const char *option = Tcl_GetString(objv[i]); char c; + length = objv[i]->length; if (length < 2 || option[0] != '-') { - badOption: - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "bad option \"", - Tcl_GetString(objv[i]), - "\" must be -chars, -displaychars, -displayindices, ", - "-displaylines, -indices, -lines, -update, ", - "-xpixels, or -ypixels", NULL); - result = TCL_ERROR; - goto done; + goto badOption; } c = option[1]; if (c == 'c' && !strncmp("-chars", option, (unsigned) length)) { @@ -907,43 +923,43 @@ TextWidgetObjCmd( * We're going to count up all display lines in the logical * line of 'indexFromPtr' up to, but not including the logical * line of 'indexToPtr' (except if this line is elided), and - * then subtract off what came in too much from elided lines, - * also subtract off what we didn't want from 'from' and add + * then subtract off what came in too much from elided lines, + * also subtract off what we didn't want from 'from' and add * on what we didn't count from 'to'. */ - while (TkTextIndexCmp(&index,indexToPtr) < 0) { + while (TkTextIndexCmp(&index,indexToPtr) < 0) { value += TkTextUpdateOneLine(textPtr, index.linePtr, - 0, &index, 0); + 0, &index, 0); } - index2 = index; - - /* - * Now we need to adjust the count to: - * - subtract off the number of display lines between - * indexToPtr and index2, since we might have skipped past - * indexToPtr, if we have several logical lines in a - * single display line - * - subtract off the number of display lines overcounted - * in the first logical line - * - add on the number of display lines in the last logical - * line - * This logic is still ok if both indexFromPtr and indexToPtr - * are in the same logical line. - */ - - index = *indexToPtr; - index.byteIndex = 0; - while (TkTextIndexCmp(&index,&index2) < 0) { - value -= TkTextUpdateOneLine(textPtr, index.linePtr, - 0, &index, 0); - } + index2 = index; + + /* + * Now we need to adjust the count to: + * - subtract off the number of display lines between + * indexToPtr and index2, since we might have skipped past + * indexToPtr, if we have several logical lines in a + * single display line + * - subtract off the number of display lines overcounted + * in the first logical line + * - add on the number of display lines in the last logical + * line + * This logic is still ok if both indexFromPtr and indexToPtr + * are in the same logical line. + */ + + index = *indexToPtr; + index.byteIndex = 0; + while (TkTextIndexCmp(&index,&index2) < 0) { + value -= TkTextUpdateOneLine(textPtr, index.linePtr, + 0, &index, 0); + } index.linePtr = indexFromPtr->linePtr; index.byteIndex = 0; while (1) { TkTextFindDisplayLineEnd(textPtr, &index, 1, NULL); - if (TkTextIndexCmp(&index,indexFromPtr) >= 0) { + if (TkTextIndexCmp(&index,indexFromPtr) >= 0) { break; } TkTextIndexForwBytes(textPtr, &index, 1, &index); @@ -955,7 +971,7 @@ TextWidgetObjCmd( index.byteIndex = 0; while (1) { TkTextFindDisplayLineEnd(textPtr, &index, 1, NULL); - if (TkTextIndexCmp(&index,indexToPtr) >= 0) { + if (TkTextIndexCmp(&index,indexToPtr) >= 0) { break; } TkTextIndexForwBytes(textPtr, &index, 1, &index); @@ -1033,6 +1049,15 @@ TextWidgetObjCmd( Tcl_SetObjResult(interp, objPtr); } break; + + badOption: + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "bad option \"%s\" must be -chars, -displaychars, " + "-displayindices, -displaylines, -indices, -lines, -update, " + "-xpixels, or -ypixels", Tcl_GetString(objv[i]))); + Tcl_SetErrorCode(interp, "TK", "TEXT", "INDEX_OPTION", NULL); + result = TCL_ERROR; + goto done; } case TEXT_DEBUG: if (objc > 3) { @@ -1101,8 +1126,7 @@ TextWidgetObjCmd( objc -= 2; objv += 2; - indices = (TkTextIndex *) - ckalloc((objc + 1) * sizeof(TkTextIndex)); + indices = ckalloc((objc + 1) * sizeof(TkTextIndex)); /* * First pass verifies that all indices are valid. @@ -1114,7 +1138,7 @@ TextWidgetObjCmd( if (indexPtr == NULL) { result = TCL_ERROR; - ckfree((char *) indices); + ckfree(indices); goto done; } indices[i] = *indexPtr; @@ -1130,7 +1154,7 @@ TextWidgetObjCmd( COUNT_INDICES); objc++; } - useIdx = (char *) ckalloc((unsigned) objc); + useIdx = ckalloc(objc); memset(useIdx, 0, (unsigned) objc); /* @@ -1194,7 +1218,7 @@ TextWidgetObjCmd( &indices[i+1], 1); } } - ckfree((char *) indices); + ckfree(indices); } } break; @@ -1252,12 +1276,14 @@ TextWidgetObjCmd( i = 2; if (objc > 3) { - name = Tcl_GetStringFromObj(objv[i], &length); + name = Tcl_GetString(objv[i]); + length = objv[i]->length; if (length > 1 && name[0] == '-') { - if (strncmp("-displaychars", name, (unsigned)length)==0) { + if (strncmp("-displaychars", name, (unsigned) length) == 0) { i++; visible = 1; - name = Tcl_GetStringFromObj(objv[i], &length); + name = Tcl_GetString(objv[i]); + length = objv[i]->length; } if ((i < objc-1) && (length == 2) && !strcmp("--", name)) { i++; @@ -1372,6 +1398,16 @@ TextWidgetObjCmd( case TEXT_PEER: result = TextPeerCmd(textPtr, interp, objc, objv); break; + case TEXT_PENDINGSYNC: { + if (objc != 2) { + Tcl_WrongNumArgs(interp, 2, objv, NULL); + result = TCL_ERROR; + goto done; + } + Tcl_SetObjResult(interp, + Tcl_NewBooleanObj(TkTextPendingsync(textPtr))); + break; + } case TEXT_REPLACE: { const TkTextIndex *indexFromPtr, *indexToPtr; @@ -1392,9 +1428,10 @@ TextWidgetObjCmd( goto done; } if (TkTextIndexCmp(indexFromPtr, indexToPtr) > 0) { - Tcl_AppendResult(interp, "Index \"", Tcl_GetString(objv[3]), - "\" before \"", Tcl_GetString(objv[2]), - "\" in the text", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "index \"%s\" before \"%s\" in the text", + Tcl_GetString(objv[3]), Tcl_GetString(objv[2]))); + Tcl_SetErrorCode(interp, "TK", "TEXT", "INDEX_ORDER", NULL); result = TCL_ERROR; goto done; } @@ -1485,6 +1522,39 @@ TextWidgetObjCmd( case TEXT_SEE: result = TkTextSeeCmd(textPtr, interp, objc, objv); break; + case TEXT_SYNC: { + if (objc == 4) { + Tcl_Obj *cmd = objv[3]; + const char *option = Tcl_GetString(objv[2]); + if (strncmp(option, "-command", objv[2]->length)) { + Tcl_AppendResult(interp, "wrong option \"", option, "\": should be \"-command\"", NULL); + result = TCL_ERROR; + goto done; + } + Tcl_IncrRefCount(cmd); + if (TkTextPendingsync(textPtr)) { + if (textPtr->afterSyncCmd) { + Tcl_DecrRefCount(textPtr->afterSyncCmd); + } + textPtr->afterSyncCmd = cmd; + } else { + textPtr->afterSyncCmd = cmd; + Tcl_DoWhenIdle(RunAfterSyncCmd, (ClientData) textPtr); + } + break; + } else if (objc != 2) { + Tcl_WrongNumArgs(interp, 2, objv, "?-command command?"); + result = TCL_ERROR; + goto done; + } + if (textPtr->afterSyncCmd) { + Tcl_DecrRefCount(textPtr->afterSyncCmd); + } + textPtr->afterSyncCmd = NULL; + TkTextUpdateLineMetrics(textPtr, 1, + TkBTreeNumLines(textPtr->sharedTextPtr->tree, textPtr), -1); + break; + } case TEXT_TAG: result = TkTextTagCmd(textPtr, interp, objc, objv); break; @@ -1502,7 +1572,7 @@ TextWidgetObjCmd( done: textPtr->refCount--; if (textPtr->refCount == 0) { - ckfree((char *) textPtr); + ckfree(textPtr); } return result; } @@ -1534,11 +1604,11 @@ SharedTextObjCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { - register TkSharedText *sharedPtr = (TkSharedText *) clientData; + register TkSharedText *sharedPtr = clientData; int result = TCL_OK; int index; - static const char *optionStrings[] = { + static const char *const optionStrings[] = { "delete", "insert", NULL }; enum options { @@ -1546,12 +1616,12 @@ SharedTextObjCmd( }; if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, "option ?arg arg ...?"); + Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); return TCL_ERROR; } - if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0, - &index) != TCL_OK) { + if (Tcl_GetIndexFromObjStruct(interp, objv[1], optionStrings, + sizeof(char *), "option", 0, &index) != TCL_OK) { return TCL_ERROR; } @@ -1643,7 +1713,7 @@ TextPeerCmd( Tk_Window tkwin = textPtr->tkwin; int index; - static const char *peerOptionStrings[] = { + static const char *const peerOptionStrings[] = { "create", "names", NULL }; enum peerOptions { @@ -1651,36 +1721,40 @@ TextPeerCmd( }; if (objc < 3) { - Tcl_WrongNumArgs(interp, 2, objv, "option ?arg arg ...?"); + Tcl_WrongNumArgs(interp, 2, objv, "option ?arg ...?"); return TCL_ERROR; } - if (Tcl_GetIndexFromObj(interp, objv[2], peerOptionStrings, - "peer option", 0, &index) != TCL_OK) { + if (Tcl_GetIndexFromObjStruct(interp, objv[2], peerOptionStrings, + sizeof(char *), "peer option", 0, &index) != TCL_OK) { return TCL_ERROR; } - switch ((enum peerOptions)index) { + switch ((enum peerOptions) index) { case PEER_CREATE: if (objc < 4) { - Tcl_WrongNumArgs(interp, 3, objv, "pathName ?options?"); + Tcl_WrongNumArgs(interp, 3, objv, "pathName ?-option value ...?"); return TCL_ERROR; } return CreateWidget(textPtr->sharedTextPtr, tkwin, interp, textPtr, objc-2, objv+2); case PEER_NAMES: { TkText *tPtr = textPtr->sharedTextPtr->peers; + Tcl_Obj *peersObj; if (objc > 3) { Tcl_WrongNumArgs(interp, 3, objv, NULL); return TCL_ERROR; } + peersObj = Tcl_NewObj(); while (tPtr != NULL) { if (tPtr != textPtr) { - Tcl_AppendElement(interp, Tk_PathName(tPtr->tkwin)); + Tcl_ListObjAppendElement(NULL, peersObj, + TkNewWindowObj(tPtr->tkwin)); } tPtr = tPtr->next; } + Tcl_SetObjResult(interp, peersObj); } } @@ -1877,10 +1951,10 @@ DestroyText( TkTextDeleteTag(textPtr, textPtr->selTagPtr); TkBTreeUnlinkSegment(textPtr->insertMarkPtr, textPtr->insertMarkPtr->body.mark.linePtr); - ckfree((char *) textPtr->insertMarkPtr); + ckfree(textPtr->insertMarkPtr); TkBTreeUnlinkSegment(textPtr->currentMarkPtr, textPtr->currentMarkPtr->body.mark.linePtr); - ckfree((char *) textPtr->currentMarkPtr); + ckfree(textPtr->currentMarkPtr); /* * Now we've cleaned up everything of relevance to us in the B-tree, so we @@ -1902,7 +1976,7 @@ DestroyText( for (hPtr = Tcl_FirstHashEntry(&sharedTextPtr->windowTable, &search); hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) { TkTextEmbWindowClient *loop; - TkTextSegment *ewPtr = (TkTextSegment *) Tcl_GetHashValue(hPtr); + TkTextSegment *ewPtr = Tcl_GetHashValue(hPtr); loop = ewPtr->body.ew.clients; if (loop->textPtr == textPtr) { @@ -1934,7 +2008,7 @@ DestroyText( for (hPtr = Tcl_FirstHashEntry(&sharedTextPtr->tagTable, &search); hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) { - tagPtr = (TkTextTag *) Tcl_GetHashValue(hPtr); + tagPtr = Tcl_GetHashValue(hPtr); /* * No need to use 'TkTextDeleteTag' since we've already removed @@ -1946,7 +2020,7 @@ DestroyText( Tcl_DeleteHashTable(&sharedTextPtr->tagTable); for (hPtr = Tcl_FirstHashEntry(&sharedTextPtr->markTable, &search); hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) { - ckfree((char *) Tcl_GetHashValue(hPtr)); + ckfree(Tcl_GetHashValue(hPtr)); } Tcl_DeleteHashTable(&sharedTextPtr->markTable); TkUndoFreeStack(sharedTextPtr->undoStack); @@ -1957,11 +2031,11 @@ DestroyText( if (sharedTextPtr->bindingTable != NULL) { Tk_DeleteBindingTable(sharedTextPtr->bindingTable); } - ckfree((char *) sharedTextPtr); + ckfree(sharedTextPtr); } if (textPtr->tabArrayPtr != NULL) { - ckfree((char *) textPtr->tabArrayPtr); + ckfree(textPtr->tabArrayPtr); } if (textPtr->insertBlinkHandler != NULL) { Tcl_DeleteTimerHandler(textPtr->insertBlinkHandler); @@ -1970,8 +2044,12 @@ DestroyText( textPtr->tkwin = NULL; textPtr->refCount--; Tcl_DeleteCommandFromToken(textPtr->interp, textPtr->widgetCmd); + if (textPtr->afterSyncCmd){ + Tcl_DecrRefCount(textPtr->afterSyncCmd); + textPtr->afterSyncCmd = NULL; + } if (textPtr->refCount == 0) { - ckfree((char *) textPtr); + ckfree(textPtr); } } @@ -2019,7 +2097,7 @@ ConfigureText( textPtr->sharedTextPtr->maxUndo = textPtr->maxUndo; textPtr->sharedTextPtr->autoSeparators = textPtr->autoSeparators; - TkUndoSetDepth(textPtr->sharedTextPtr->undoStack, + TkUndoSetMaxDepth(textPtr->sharedTextPtr->undoStack, textPtr->sharedTextPtr->maxUndo); /* @@ -2051,9 +2129,9 @@ ConfigureText( end = TkBTreeNumLines(textPtr->sharedTextPtr->tree, NULL); } if (start > end) { - Tcl_AppendResult(interp, - "-startline must be less than or equal to -endline", - NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "-startline must be less than or equal to -endline", -1)); + Tcl_SetErrorCode(interp, "TK", "TEXT", "INDEX_ORDER", NULL); Tk_RestoreSavedOptions(&savedOptions); return TCL_ERROR; } @@ -2086,6 +2164,7 @@ ConfigureText( /* Nothing tagged with "sel" */ } else { int line = TkBTreeLinesTo(NULL, search.curIndex.linePtr); + if (line < start) { selChanged = 1; } else { @@ -2116,10 +2195,10 @@ ConfigureText( * Also, clamp the insert and current (unshared) marks to the new * -startline/-endline range limits of the widget. All other (shared) * marks are unchanged. - * The return value of TkTextMarkNameToIndex does not need to be - * checked: "insert" and "current" marks always exist, and the - * purpose of the code below precisely is to move them inside the - * -startline/-endline range. + * The return value of TkTextMarkNameToIndex does not need to be + * checked: "insert" and "current" marks always exist, and the + * purpose of the code below precisely is to move them inside the + * -startline/-endline range. */ textPtr->sharedTextPtr->stateEpoch++; @@ -2158,7 +2237,7 @@ ConfigureText( */ if (textPtr->tabArrayPtr != NULL) { - ckfree((char *) textPtr->tabArrayPtr); + ckfree(textPtr->tabArrayPtr); textPtr->tabArrayPtr = NULL; } if (textPtr->tabOptionPtr != NULL) { @@ -2178,12 +2257,20 @@ ConfigureText( * replaced in the widget record. */ - textPtr->selTagPtr->border = textPtr->selBorder; + if (textPtr->selTagPtr->selBorder == NULL) { + textPtr->selTagPtr->border = textPtr->selBorder; + } else { + textPtr->selTagPtr->selBorder = textPtr->selBorder; + } if (textPtr->selTagPtr->borderWidthPtr != textPtr->selBorderWidthPtr) { textPtr->selTagPtr->borderWidthPtr = textPtr->selBorderWidthPtr; textPtr->selTagPtr->borderWidth = textPtr->selBorderWidth; } - textPtr->selTagPtr->fgColor = textPtr->selFgColorPtr; + if (textPtr->selTagPtr->selFgColor == NULL) { + textPtr->selTagPtr->fgColor = textPtr->selFgColorPtr; + } else { + textPtr->selTagPtr->selFgColor = textPtr->selFgColorPtr; + } textPtr->selTagPtr->affectsDisplay = 0; textPtr->selTagPtr->affectsDisplayGeometry = 0; if ((textPtr->selTagPtr->elideString != NULL) @@ -2202,12 +2289,18 @@ ConfigureText( textPtr->selTagPtr->affectsDisplayGeometry = 1; } if ((textPtr->selTagPtr->border != NULL) + || (textPtr->selTagPtr->selBorder != NULL) || (textPtr->selTagPtr->reliefString != NULL) || (textPtr->selTagPtr->bgStipple != None) || (textPtr->selTagPtr->fgColor != NULL) + || (textPtr->selTagPtr->selFgColor != NULL) || (textPtr->selTagPtr->fgStipple != None) || (textPtr->selTagPtr->overstrikeString != NULL) - || (textPtr->selTagPtr->underlineString != NULL)) { + || (textPtr->selTagPtr->overstrikeColor != NULL) + || (textPtr->selTagPtr->underlineString != NULL) + || (textPtr->selTagPtr->underlineColor != NULL) + || (textPtr->selTagPtr->lMarginColor != NULL) + || (textPtr->selTagPtr->rMarginColor != NULL)) { textPtr->selTagPtr->affectsDisplay = 1; } TkTextRedrawTag(NULL, textPtr, NULL, NULL, textPtr->selTagPtr, 1); @@ -2230,7 +2323,7 @@ ConfigureText( if (TkBTreeCharTagged(&first, textPtr->selTagPtr) || TkBTreeNextTag(&search)) { Tk_OwnSelection(textPtr->tkwin, XA_PRIMARY, TkTextLostSelection, - (ClientData) textPtr); + textPtr); textPtr->flags |= GOT_SELECTION; } } @@ -2241,8 +2334,8 @@ ConfigureText( if (textPtr->flags & GOT_FOCUS) { Tcl_DeleteTimerHandler(textPtr->insertBlinkHandler); - textPtr->insertBlinkHandler = (Tcl_TimerToken) NULL; - TextBlinkProc((ClientData) textPtr); + textPtr->insertBlinkHandler = NULL; + TextBlinkProc(textPtr); } /* @@ -2285,9 +2378,8 @@ static void TextWorldChangedCallback( ClientData instanceData) /* Information about widget. */ { - TkText *textPtr; + TkText *textPtr = instanceData; - textPtr = (TkText *) instanceData; TextWorldChanged(textPtr, TK_TEXT_LINE_GEOMETRY); } @@ -2332,7 +2424,7 @@ TextWorldChanged( textPtr->charHeight = 1; } if (textPtr->charHeight != oldCharHeight) { - TkBTreeClientRangeChanged(textPtr, textPtr->charHeight); + TkBTreeClientRangeChanged(textPtr, textPtr->charHeight); } border = textPtr->borderWidth + textPtr->highlightWidth; Tk_GeometryRequest(textPtr->tkwin, @@ -2377,7 +2469,7 @@ TextEventProc( ClientData clientData, /* Information about window. */ register XEvent *eventPtr) /* Information about event. */ { - register TkText *textPtr = (TkText *) clientData; + register TkText *textPtr = clientData; TkTextIndex index, index2; if (eventPtr->type == Expose) { @@ -2437,12 +2529,11 @@ TextEventProc( textPtr->flags |= GOT_FOCUS | INSERT_ON; if (textPtr->insertOffTime != 0) { textPtr->insertBlinkHandler = Tcl_CreateTimerHandler( - textPtr->insertOnTime, TextBlinkProc, - (ClientData) textPtr); + textPtr->insertOnTime, TextBlinkProc, textPtr); } } else { textPtr->flags &= ~(GOT_FOCUS | INSERT_ON); - textPtr->insertBlinkHandler = (Tcl_TimerToken) NULL; + textPtr->insertBlinkHandler = NULL; } if (textPtr->inactiveSelBorder != textPtr->selBorder) { TkTextRedrawTag(NULL, textPtr, NULL, NULL, textPtr->selTagPtr, @@ -2487,7 +2578,7 @@ static void TextCmdDeletedProc( ClientData clientData) /* Pointer to widget record for widget. */ { - TkText *textPtr = (TkText *) clientData; + TkText *textPtr = clientData; Tk_Window tkwin = textPtr->tkwin; /* @@ -2544,9 +2635,9 @@ InsertChars( int *lineAndByteIndex; int resetViewCount; int pixels[2*PIXEL_CLIENTS]; + const char *string = Tcl_GetString(stringPtr); - const char *string = Tcl_GetStringFromObj(stringPtr, &length); - + length = stringPtr->length; if (sharedTextPtr == NULL) { sharedTextPtr = textPtr->sharedTextPtr; } @@ -2572,8 +2663,7 @@ InsertChars( resetViewCount = 0; if (sharedTextPtr->refCount > PIXEL_CLIENTS) { - lineAndByteIndex = (int *) - ckalloc(sizeof(int) * 2 * sharedTextPtr->refCount); + lineAndByteIndex = ckalloc(sizeof(int) * 2 * sharedTextPtr->refCount); } else { lineAndByteIndex = pixels; } @@ -2635,7 +2725,7 @@ InsertChars( resetViewCount += 2; } if (sharedTextPtr->refCount > PIXEL_CLIENTS) { - ckfree((char *) lineAndByteIndex); + ckfree(lineAndByteIndex); } /* @@ -2683,6 +2773,7 @@ TextPushUndoAction( /* Index describing second location. */ { TkUndoSubAtom *iAtom, *dAtom; + int canUndo, canRedo; /* * Create the helpers. @@ -2755,13 +2846,13 @@ TextPushUndoAction( * underlying data shared by all peers. */ - iAtom = TkUndoMakeSubAtom(&TextUndoRedoCallback, - (ClientData)textPtr->sharedTextPtr, insertCmdObj, NULL); + iAtom = TkUndoMakeSubAtom(&TextUndoRedoCallback, textPtr->sharedTextPtr, + insertCmdObj, NULL); TkUndoMakeCmdSubAtom(NULL, markSet2InsertObj, iAtom); TkUndoMakeCmdSubAtom(NULL, seeInsertObj, iAtom); - dAtom = TkUndoMakeSubAtom(&TextUndoRedoCallback, - (ClientData)textPtr->sharedTextPtr, deleteCmdObj, NULL); + dAtom = TkUndoMakeSubAtom(&TextUndoRedoCallback, textPtr->sharedTextPtr, + deleteCmdObj, NULL); TkUndoMakeCmdSubAtom(NULL, markSet1InsertObj, dAtom); TkUndoMakeCmdSubAtom(NULL, seeInsertObj, dAtom); @@ -2769,6 +2860,9 @@ TextPushUndoAction( Tcl_DecrRefCount(index1Obj); Tcl_DecrRefCount(index2Obj); + canUndo = TkUndoCanUndo(textPtr->sharedTextPtr->undoStack); + canRedo = TkUndoCanRedo(textPtr->sharedTextPtr->undoStack); + /* * Depending whether the action is to insert or delete, we provide the * appropriate second and third arguments to TkUndoPushAction. (The first @@ -2780,6 +2874,10 @@ TextPushUndoAction( } else { TkUndoPushAction(textPtr->sharedTextPtr->undoStack, dAtom, iAtom); } + + if (!canUndo || canRedo) { + GenerateUndoStackEvent(textPtr); + } } /* @@ -2810,7 +2908,7 @@ TextUndoRedoCallback( Tcl_Obj *objPtr) /* Arguments of a command to be handled by the * shared text data structure. */ { - TkSharedText *sharedPtr = (TkSharedText *) clientData; + TkSharedText *sharedPtr = clientData; int res, objc; Tcl_Obj **objv; TkText *textPtr; @@ -2875,7 +2973,7 @@ TextUndoRedoCallback( * the Tcl level. */ - return SharedTextObjCmd((ClientData)sharedPtr, interp, objc+1, objv-1); + return SharedTextObjCmd(sharedPtr, interp, objc+1, objv-1); } /* @@ -2944,7 +3042,7 @@ CountIndices( * If 'viewUpdate' is true, we may adjust the window contents' * y-position, and scrollbar setting. * - * If 'viewUpdate' is false, true we can guarantee that textPtr->topIndex + * If 'viewUpdate' is true we can guarantee that textPtr->topIndex * points to a valid TkTextLine after this function returns. However, if * 'viewUpdate' is false, then there is no such guarantee (since * topIndex.linePtr can be garbage). The caller is expected to take @@ -3034,7 +3132,7 @@ DeleteIndexRange( for (i = 0; i < arraySize; i++) { TkBTreeTag(&index2, &oldIndex2, arrayPtr[i], 0); } - ckfree((char *) arrayPtr); + ckfree(arrayPtr); } } @@ -3051,7 +3149,7 @@ DeleteIndexRange( for (i=0, hPtr=Tcl_FirstHashEntry(&sharedTextPtr->tagTable, &search); hPtr != NULL; i++, hPtr = Tcl_NextHashEntry(&search)) { - TkTextTag *tagPtr = (TkTextTag *) Tcl_GetHashValue(hPtr); + TkTextTag *tagPtr = Tcl_GetHashValue(hPtr); TkBTreeTag(&index1, &index2, tagPtr, 0); } @@ -3088,8 +3186,7 @@ DeleteIndexRange( resetViewCount = 0; if (sharedTextPtr->refCount > PIXEL_CLIENTS) { - lineAndByteIndex = (int *) - ckalloc(sizeof(int) * 2 * sharedTextPtr->refCount); + lineAndByteIndex = ckalloc(sizeof(int) * 2 * sharedTextPtr->refCount); } else { lineAndByteIndex = pixels; } @@ -3117,11 +3214,11 @@ DeleteIndexRange( resetView = 1; line = line1; byteIndex = tPtr->topIndex.byteIndex; - } else { - /* - * Deletion range starts after the top line. This peers's view - * will not need to be reset. Nothing to do. - */ + } else { + /* + * Deletion range starts after the top line. This peers's view + * will not need to be reset. Nothing to do. + */ } } else if (index2.linePtr == tPtr->topIndex.linePtr) { /* @@ -3138,11 +3235,11 @@ DeleteIndexRange( } else { byteIndex -= (index2.byteIndex - index1.byteIndex); } - } else { - /* - * Deletion range ends before the top line. This peers's view - * will not need to be reset. Nothing to do. - */ + } else { + /* + * Deletion range ends before the top line. This peers's view + * will not need to be reset. Nothing to do. + */ } if (resetView) { lineAndByteIndex[resetViewCount] = line; @@ -3150,7 +3247,7 @@ DeleteIndexRange( } else { lineAndByteIndex[resetViewCount] = -1; } - resetViewCount+=2; + resetViewCount += 2; } /* @@ -3187,50 +3284,50 @@ DeleteIndexRange( TkTextIndex indexTmp; if (tPtr == textPtr) { - if (viewUpdate) { - /* - * line cannot be before -startline of textPtr because - * this line corresponds to an index which is necessarily - * between "1.0" and "end" relative to textPtr. - * Therefore no need to clamp line to the -start/-end - * range. - */ + if (viewUpdate) { + /* + * line cannot be before -startline of textPtr because + * this line corresponds to an index which is necessarily + * between "1.0" and "end" relative to textPtr. + * Therefore no need to clamp line to the -start/-end + * range. + */ TkTextMakeByteIndex(sharedTextPtr->tree, textPtr, line, byteIndex, &indexTmp); TkTextSetYView(tPtr, &indexTmp, 0); } } else { - TkTextMakeByteIndex(sharedTextPtr->tree, tPtr, line, + TkTextMakeByteIndex(sharedTextPtr->tree, tPtr, line, byteIndex, &indexTmp); - /* - * line may be before -startline of tPtr and must be - * clamped to -startline before providing it to - * TkTextSetYView otherwise lines before -startline - * would be displayed. - * There is no need to worry about -endline however, - * because the view will only be reset if the deletion - * involves the TOP line of the screen - */ - - if (tPtr->start != NULL) { - int start; - TkTextIndex indexStart; - - start = TkBTreeLinesTo(NULL, tPtr->start); - TkTextMakeByteIndex(sharedTextPtr->tree, NULL, start, + /* + * line may be before -startline of tPtr and must be + * clamped to -startline before providing it to + * TkTextSetYView otherwise lines before -startline + * would be displayed. + * There is no need to worry about -endline however, + * because the view will only be reset if the deletion + * involves the TOP line of the screen + */ + + if (tPtr->start != NULL) { + int start; + TkTextIndex indexStart; + + start = TkBTreeLinesTo(NULL, tPtr->start); + TkTextMakeByteIndex(sharedTextPtr->tree, NULL, start, 0, &indexStart); - if (TkTextIndexCmp(&indexTmp, &indexStart) < 0) { - indexTmp = indexStart; - } - } + if (TkTextIndexCmp(&indexTmp, &indexStart) < 0) { + indexTmp = indexStart; + } + } TkTextSetYView(tPtr, &indexTmp, 0); } } resetViewCount += 2; } if (sharedTextPtr->refCount > PIXEL_CLIENTS) { - ckfree((char *) lineAndByteIndex); + ckfree(lineAndByteIndex); } if (line1 >= line2) { @@ -3278,7 +3375,7 @@ TextFetchSelection( * not including terminating NULL * character. */ { - register TkText *textPtr = (TkText *) clientData; + register TkText *textPtr = clientData; TkTextIndex eof; int count, chunkSize, offsetInSeg; TkTextSearch search; @@ -3409,7 +3506,7 @@ void TkTextLostSelection( ClientData clientData) /* Information about text widget. */ { - register TkText *textPtr = (TkText *) clientData; + register TkText *textPtr = clientData; if (TkpAlwaysShowSelection(textPtr->tkwin)) { TkTextIndex start, end; @@ -3469,16 +3566,7 @@ TkTextSelectionEvent( * event generate $textWidget <<Selection>> */ - union {XEvent general; XVirtualEvent virtual;} event; - - memset(&event, 0, sizeof(event)); - event.general.xany.type = VirtualEvent; - event.general.xany.serial = NextRequest(Tk_Display(textPtr->tkwin)); - event.general.xany.send_event = False; - event.general.xany.window = Tk_WindowId(textPtr->tkwin); - event.general.xany.display = Tk_Display(textPtr->tkwin); - event.virtual.name = Tk_GetUid("Selection"); - Tk_HandleEvent(&event.general); + TkSendVirtualEvent(textPtr->tkwin, "Selection", NULL); } /* @@ -3503,12 +3591,22 @@ static void TextBlinkProc( ClientData clientData) /* Pointer to record describing text. */ { - register TkText *textPtr = (TkText *) clientData; + register TkText *textPtr = clientData; TkTextIndex index; int x, y, w, h, charWidth; if ((textPtr->state == TK_TEXT_STATE_DISABLED) || !(textPtr->flags & GOT_FOCUS) || (textPtr->insertOffTime == 0)) { + if (!(textPtr->flags & GOT_FOCUS) && + (textPtr->insertUnfocussed != TK_TEXT_INSERT_NOFOCUS_NONE)) { + /* + * The widget doesn't have the focus yet it is configured to + * display the cursor when it doesn't have the focus. Act now! + */ + + textPtr->flags |= INSERT_ON; + goto redrawInsert; + } if ((textPtr->insertOffTime == 0) && !(textPtr->flags & INSERT_ON)) { /* * The widget was configured to have zero offtime while the @@ -3523,11 +3621,11 @@ TextBlinkProc( if (textPtr->flags & INSERT_ON) { textPtr->flags &= ~INSERT_ON; textPtr->insertBlinkHandler = Tcl_CreateTimerHandler( - textPtr->insertOffTime, TextBlinkProc, (ClientData) textPtr); + textPtr->insertOffTime, TextBlinkProc, textPtr); } else { textPtr->flags |= INSERT_ON; textPtr->insertBlinkHandler = Tcl_CreateTimerHandler( - textPtr->insertOnTime, TextBlinkProc, (ClientData) textPtr); + textPtr->insertOnTime, TextBlinkProc, textPtr); } redrawInsert: TkTextMarkSegToIndex(textPtr, textPtr->insertMarkPtr, &index); @@ -3606,7 +3704,7 @@ TextInsertCmd( for (i = 0; i < numTags; i++) { TkBTreeTag(&index1, &index2, oldTagArrayPtr[i], 0); } - ckfree((char *) oldTagArrayPtr); + ckfree(oldTagArrayPtr); } if (Tcl_ListObjGetElements(interp, objv[j+1], &numTags, &tagNamePtrs) != TCL_OK) { @@ -3654,14 +3752,15 @@ TextSearchCmd( int i, argsLeft, code; SearchSpec searchSpec; - static const char *switchStrings[] = { + static const char *const switchStrings[] = { + "-hidden", "--", "-all", "-backwards", "-count", "-elide", "-exact", "-forwards", - "-hidden", "-nocase", "-nolinestop", "-overlap", "-regexp", - "-strictlimits", NULL + "-nocase", "-nolinestop", "-overlap", "-regexp", "-strictlimits", NULL }; enum SearchSwitches { + SEARCH_HIDDEN, SEARCH_END, SEARCH_ALL, SEARCH_BACK, SEARCH_COUNT, SEARCH_ELIDE, - SEARCH_EXACT, SEARCH_FWD, SEARCH_HIDDEN, SEARCH_NOCASE, + SEARCH_EXACT, SEARCH_FWD, SEARCH_NOCASE, SEARCH_NOLINESTOP, SEARCH_OVERLAP, SEARCH_REGEXP, SEARCH_STRICTLIMITS }; @@ -3683,7 +3782,7 @@ TextSearchCmd( searchSpec.strictLimits = 0; searchSpec.numLines = TkBTreeNumLines(textPtr->sharedTextPtr->tree, textPtr); - searchSpec.clientData = (ClientData)textPtr; + searchSpec.clientData = textPtr; searchSpec.addLineProc = &TextSearchAddNextLine; searchSpec.foundMatchProc = &TextSearchFoundMatch; searchSpec.lineIndexProc = &TextSearchGetLineIndex; @@ -3694,21 +3793,20 @@ TextSearchCmd( for (i=2 ; i<objc ; i++) { int index; + if (Tcl_GetString(objv[i])[0] != '-') { break; } - if (Tcl_GetIndexFromObj(interp, objv[i], switchStrings, "switch", 0, - &index) != TCL_OK) { + if (Tcl_GetIndexFromObjStruct(NULL, objv[i], switchStrings, + sizeof(char *), "switch", 0, &index) != TCL_OK) { /* - * Hide the -hidden option. + * Hide the -hidden option, generating the error description with + * the side effects of T_GIFO. */ - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "bad switch \"", Tcl_GetString(objv[i]), - "\": must be --, -all, -backward, -count, -elide, ", - "-exact, -forward, -nocase, -nolinestop, -overlap, ", - "-regexp, or -strictlimits", NULL); + (void) Tcl_GetIndexFromObjStruct(interp, objv[i], switchStrings+1, + sizeof(char *), "switch", 0, &index); return TCL_ERROR; } @@ -3724,8 +3822,9 @@ TextSearchCmd( break; case SEARCH_COUNT: if (i >= objc-1) { - Tcl_SetResult(interp, "no value given for \"-count\" option", - TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "no value given for \"-count\" option", -1)); + Tcl_SetErrorCode(interp, "TK", "TEXT", "VALUE", NULL); return TCL_ERROR; } i++; @@ -3776,14 +3875,18 @@ TextSearchCmd( } if (searchSpec.noLineStop && searchSpec.exact) { - Tcl_SetResult(interp, "the \"-nolinestop\" option requires the " - "\"-regexp\" option to be present", TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "the \"-nolinestop\" option requires the \"-regexp\" option" + " to be present", -1)); + Tcl_SetErrorCode(interp, "TK", "TEXT", "SEARCH_USAGE", NULL); return TCL_ERROR; } if (searchSpec.overlap && !searchSpec.all) { - Tcl_SetResult(interp, "the \"-overlap\" option requires the " - "\"-all\" option to be present", TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "the \"-overlap\" option requires the \"-all\" option" + " to be present", -1)); + Tcl_SetErrorCode(interp, "TK", "TEXT", "SEARCH_USAGE", NULL); return TCL_ERROR; } @@ -3868,7 +3971,7 @@ TextSearchGetLineIndex( { const TkTextIndex *indexPtr; int line; - TkText *textPtr = (TkText *) searchSpecPtr->clientData; + TkText *textPtr = searchSpecPtr->clientData; indexPtr = TkTextGetIndexFromObj(interp, textPtr, objPtr); if (indexPtr == NULL) { @@ -3933,7 +4036,7 @@ TextSearchIndexInLine( TkTextSegment *segPtr; TkTextIndex curIndex; int index, leftToScan; - TkText *textPtr = (TkText *) searchSpecPtr->clientData; + TkText *textPtr = searchSpecPtr->clientData; index = 0; curIndex.tree = textPtr->sharedTextPtr->tree; @@ -4003,7 +4106,7 @@ TextSearchAddNextLine( TkTextLine *linePtr, *thisLinePtr; TkTextIndex curIndex; TkTextSegment *segPtr; - TkText *textPtr = (TkText *) searchSpecPtr->clientData; + TkText *textPtr = searchSpecPtr->clientData; int nothingYet = 1; /* @@ -4075,12 +4178,13 @@ TextSearchAddNextLine( if (lenPtr != NULL) { if (searchSpecPtr->exact) { - Tcl_GetStringFromObj(theLine, lenPtr); + (void)Tcl_GetString(theLine); + *lenPtr = theLine->length; } else { *lenPtr = Tcl_GetCharLength(theLine); } } - return (ClientData)linePtr; + return linePtr; } /* @@ -4124,7 +4228,7 @@ TextSearchFoundMatch( TkTextIndex curIndex, foundIndex; TkTextSegment *segPtr; TkTextLine *linePtr; - TkText *textPtr = (TkText *) searchSpecPtr->clientData; + TkText *textPtr = searchSpecPtr->clientData; if (lineNum == searchSpecPtr->stopLine) { /* @@ -4175,7 +4279,7 @@ TextSearchFoundMatch( * reached the end of the match or we have reached the end of the line. */ - linePtr = (TkTextLine *)clientData; + linePtr = clientData; if (linePtr == NULL) { linePtr = TkBTreeFindLine(textPtr->sharedTextPtr->tree, textPtr, lineNum); @@ -4355,12 +4459,12 @@ TkTextGetTabs( Tcl_Obj **objv; TkTextTabArray *tabArrayPtr; TkTextTab *tabPtr; - Tcl_UniChar ch; + int ch; double prevStop, lastStop; /* * Map these strings to TkTextTabAlign values. */ - static const char *tabOptionStrings[] = { + static const char *const tabOptionStrings[] = { "left", "right", "center", "numeric", NULL }; @@ -4375,6 +4479,7 @@ TkTextGetTabs( count = 0; for (i = 0; i < objc; i++) { char c = Tcl_GetString(objv[i])[0]; + if ((c != 'l') && (c != 'r') && (c != 'c') && (c != 'n')) { count++; } @@ -4384,8 +4489,8 @@ TkTextGetTabs( * Parse the elements of the list one at a time to fill in the array. */ - tabArrayPtr = (TkTextTabArray *) ckalloc((unsigned) - (sizeof(TkTextTabArray) + (count-1)*sizeof(TkTextTab))); + tabArrayPtr = ckalloc(sizeof(TkTextTabArray) + + (count - 1) * sizeof(TkTextTab)); tabArrayPtr->numTabs = 0; prevStop = 0.0; lastStop = 0.0; @@ -4403,14 +4508,16 @@ TkTextGetTabs( } if (tabPtr->location <= 0) { - Tcl_AppendResult(interp, "tab stop \"", Tcl_GetString(objv[i]), - "\" is not at a positive distance", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "tab stop \"%s\" is not at a positive distance", + Tcl_GetString(objv[i]))); + Tcl_SetErrorCode(interp, "TK", "VALUE", "TAB_STOP", NULL); goto error; } prevStop = lastStop; - if (Tk_GetDoublePixelsFromObj (interp, textPtr->tkwin, objv[i], - &lastStop) != TCL_OK) { + if (Tk_GetDoublePixelsFromObj(interp, textPtr->tkwin, objv[i], + &lastStop) != TCL_OK) { goto error; } @@ -4434,11 +4541,11 @@ TkTextGetTabs( } lastStop = tabPtr->location; #else - Tcl_AppendResult(interp, - "tabs must be monotonically increasing, but \"", - Tcl_GetString(objv[i]), - "\" is smaller than or equal to the previous tab", - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "tabs must be monotonically increasing, but \"%s\" is " + "smaller than or equal to the previous tab", + Tcl_GetString(objv[i]))); + Tcl_SetErrorCode(interp, "TK", "VALUE", "TAB_STOP", NULL); goto error; #endif /* _TK_ALLOW_DECREASING_TABS */ } @@ -4459,17 +4566,17 @@ TkTextGetTabs( * There may be a more efficient way of getting this. */ - Tcl_UtfToUniChar(Tcl_GetString(objv[i+1]), &ch); + TkUtfToUniChar(Tcl_GetString(objv[i+1]), &ch); if (!Tcl_UniCharIsAlpha(ch)) { continue; } i += 1; - if (Tcl_GetIndexFromObj(interp, objv[i], tabOptionStrings, - "tab alignment", 0, &index) != TCL_OK) { + if (Tcl_GetIndexFromObjStruct(interp, objv[i], tabOptionStrings, + sizeof(char *), "tab alignment", 0, &index) != TCL_OK) { goto error; } - tabPtr->alignment = ((TkTextTabAlign)index); + tabPtr->alignment = (TkTextTabAlign) index; } /* @@ -4484,7 +4591,7 @@ TkTextGetTabs( return tabArrayPtr; error: - ckfree((char *) tabArrayPtr); + ckfree(tabArrayPtr); return NULL; } @@ -4530,7 +4637,7 @@ TextDumpCmd( #define TK_DUMP_IMG 0x10 #define TK_DUMP_ALL (TK_DUMP_TEXT|TK_DUMP_MARK|TK_DUMP_TAG| \ TK_DUMP_WIN|TK_DUMP_IMG) - static const char *optStrings[] = { + static const char *const optStrings[] = { "-all", "-command", "-image", "-mark", "-tag", "-text", "-window", NULL }; @@ -4543,8 +4650,8 @@ TextDumpCmd( if (Tcl_GetString(objv[arg])[0] != '-') { break; } - if (Tcl_GetIndexFromObj(interp, objv[arg], optStrings, "option", 0, - &index) != TCL_OK) { + if (Tcl_GetIndexFromObjStruct(interp, objv[arg], optStrings, + sizeof(char *), "option", 0, &index) != TCL_OK) { return TCL_ERROR; } switch ((enum opts) index) { @@ -4569,10 +4676,7 @@ TextDumpCmd( case DUMP_CMD: arg++; if (arg >= objc) { - Tcl_AppendResult(interp, "Usage: ", Tcl_GetString(objv[0]), - " dump ?-all -image -text -mark -tag -window? ", - "?-command script? index ?index2?", NULL); - return TCL_ERROR; + goto wrongArgs; } command = objv[arg]; break; @@ -4581,9 +4685,11 @@ TextDumpCmd( } } if (arg >= objc || arg+2 < objc) { - Tcl_AppendResult(interp, "Usage: ", Tcl_GetString(objv[0]), - " dump ?-all -image -text -mark -tag -window? ", - "?-command script? index ?index2?", NULL); + wrongArgs: + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "Usage: %s dump ?-all -image -text -mark -tag -window? " + "?-command script? index ?index2?", Tcl_GetString(objv[0]))); + Tcl_SetErrorCode(interp, "TCL", "WRONGARGS", NULL); return TCL_ERROR; } if (what == 0) { @@ -4598,13 +4704,14 @@ TextDumpCmd( TkTextIndexForwChars(NULL, &index1, 1, &index2, COUNT_INDICES); } else { int length; - char *str; + const char *str; if (TkTextGetObjIndex(interp, textPtr, objv[arg], &index2) != TCL_OK) { return TCL_ERROR; } - str = Tcl_GetStringFromObj(objv[arg], &length); - if (strncmp(str, "end", (unsigned)length) == 0) { + str = Tcl_GetString(objv[arg]); + length = objv[arg]->length; + if (strncmp(str, "end", (unsigned) length) == 0) { atEnd = 1; } } @@ -4637,8 +4744,8 @@ TextDumpCmd( if (lineno == lineend) { break; } - textChanged = DumpLine(interp, textPtr, what, linePtr, 0, 32000000, - lineno, command); + textChanged = DumpLine(interp, textPtr, what, linePtr, 0, + 32000000, lineno, command); if (textChanged) { if (textPtr->flags & DESTROYED) { return TCL_OK; @@ -4747,10 +4854,9 @@ DumpLine( */ int length = last - first; - char *range = ckalloc((length + 1) * sizeof(char)); + char *range = ckalloc(length + 1); - memcpy(range, segPtr->body.chars + first, - length * sizeof(char)); + memcpy(range, segPtr->body.chars + first, length); range[length] = '\0'; TkTextMakeByteIndex(textPtr->sharedTextPtr->tree, textPtr, @@ -4765,9 +4871,11 @@ DumpLine( segPtr->body.chars + first, command, &index, what); } } else if ((offset >= startByte)) { - if ((what & TK_DUMP_MARK) && (segPtr->typePtr->name[0] == 'm')) { - char *name; - TkTextMark *markPtr = (TkTextMark *) &segPtr->body; + if ((what & TK_DUMP_MARK) + && (segPtr->typePtr == &tkTextLeftMarkType + || segPtr->typePtr == &tkTextRightMarkType)) { + const char *name; + TkTextMark *markPtr = &segPtr->body.mark; if (segPtr == textPtr->insertMarkPtr) { name = "insert"; @@ -4801,18 +4909,18 @@ DumpLine( segPtr->body.toggle.tagPtr->name, command, &index, what); } else if ((what & TK_DUMP_IMG) && - (segPtr->typePtr->name[0] == 'i')) { - TkTextEmbImage *eiPtr = (TkTextEmbImage *)&segPtr->body; - char *name = (eiPtr->name == NULL) ? "" : eiPtr->name; + (segPtr->typePtr == &tkTextEmbImageType)) { + TkTextEmbImage *eiPtr = &segPtr->body.ei; + const char *name = (eiPtr->name == NULL) ? "" : eiPtr->name; TkTextMakeByteIndex(textPtr->sharedTextPtr->tree, textPtr, lineno, offset, &index); lineChanged = DumpSegment(textPtr, interp, "image", name, command, &index, what); } else if ((what & TK_DUMP_WIN) && - (segPtr->typePtr->name[0] == 'w')) { - TkTextEmbWindow *ewPtr = (TkTextEmbWindow *)&segPtr->body; - char *pathname; + (segPtr->typePtr == &tkTextEmbWindowType)) { + TkTextEmbWindow *ewPtr = &segPtr->body.ew; + const char *pathname; if (ewPtr->tkwin == (Tk_Window) NULL) { pathname = ""; @@ -4825,6 +4933,7 @@ DumpLine( command, &index, what); } } + offset += currentSize; if (lineChanged) { TkTextSegment *newSegPtr; @@ -4842,9 +4951,7 @@ DumpLine( linePtr = TkBTreeFindLine(textPtr->sharedTextPtr->tree, textPtr, lineno); newSegPtr = linePtr->segPtr; - if (segPtr == newSegPtr) { - segPtr = segPtr->nextPtr; - } else { + if (segPtr != newSegPtr) { while ((newOffset < endByte) && (newOffset < offset) && (newSegPtr != NULL)) { newOffset += currentSize; @@ -4866,11 +4973,9 @@ DumpLine( } } segPtr = newSegPtr; - if (segPtr != NULL) { - segPtr = segPtr->nextPtr; - } } - } else { + } + if (segPtr != NULL) { segPtr = segPtr->nextPtr; } } @@ -4909,31 +5014,36 @@ DumpSegment( int what) /* Look for TK_DUMP_INDEX bit. */ { char buffer[TK_POS_CHARS]; + Tcl_Obj *values[3], *tuple; TkTextPrintIndex(textPtr, index, buffer); + values[0] = Tcl_NewStringObj(key, -1); + values[1] = Tcl_NewStringObj(value, -1); + values[2] = Tcl_NewStringObj(buffer, -1); + tuple = Tcl_NewListObj(3, values); if (command == NULL) { - Tcl_AppendElement(interp, key); - Tcl_AppendElement(interp, value); - Tcl_AppendElement(interp, buffer); + Tcl_ListObjAppendList(NULL, Tcl_GetObjResult(interp), tuple); + Tcl_DecrRefCount(tuple); return 0; } else { - const char *argv[4]; - char *list; int oldStateEpoch = TkBTreeEpoch(textPtr->sharedTextPtr->tree); - - argv[0] = key; - argv[1] = value; - argv[2] = buffer; - argv[3] = NULL; - list = Tcl_Merge(3, argv); - Tcl_VarEval(interp, Tcl_GetString(command), " ", list, NULL); - ckfree(list); - if ((textPtr->flags & DESTROYED) || - TkBTreeEpoch(textPtr->sharedTextPtr->tree) != oldStateEpoch) { - return 1; - } else { - return 0; - } + Tcl_DString buf; + int code; + + Tcl_DStringInit(&buf); + Tcl_DStringAppend(&buf, Tcl_GetString(command), -1); + Tcl_DStringAppend(&buf, " ", -1); + Tcl_DStringAppend(&buf, Tcl_GetString(tuple), -1); + code = Tcl_EvalEx(interp, Tcl_DStringValue(&buf), -1, 0); + Tcl_DStringFree(&buf); + if (code != TCL_OK) { + Tcl_AddErrorInfo(interp, + "\n (segment dumping command executed by text)"); + Tcl_BackgroundException(interp, code); + } + Tcl_DecrRefCount(tuple); + return ((textPtr->flags & DESTROYED) || + TkBTreeEpoch(textPtr->sharedTextPtr->tree) != oldStateEpoch); } } @@ -5056,63 +5166,84 @@ TextEditCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { - int index; + int index, setModified, oldModified; + int canRedo = 0; + int canUndo = 0; - static const char *editOptionStrings[] = { - "modified", "redo", "reset", "separator", "undo", NULL + static const char *const editOptionStrings[] = { + "canundo", "canredo", "modified", "redo", "reset", "separator", + "undo", NULL }; enum editOptions { - EDIT_MODIFIED, EDIT_REDO, EDIT_RESET, EDIT_SEPARATOR, EDIT_UNDO + EDIT_CANUNDO, EDIT_CANREDO, EDIT_MODIFIED, EDIT_REDO, EDIT_RESET, + EDIT_SEPARATOR, EDIT_UNDO }; if (objc < 3) { - Tcl_WrongNumArgs(interp, 2, objv, "option ?arg arg ...?"); + Tcl_WrongNumArgs(interp, 2, objv, "option ?arg ...?"); return TCL_ERROR; } - if (Tcl_GetIndexFromObj(interp, objv[2], editOptionStrings, - "edit option", 0, &index) != TCL_OK) { + if (Tcl_GetIndexFromObjStruct(interp, objv[2], editOptionStrings, + sizeof(char *), "edit option", 0, &index) != TCL_OK) { return TCL_ERROR; } switch ((enum editOptions) index) { + case EDIT_CANREDO: + if (objc != 3) { + Tcl_WrongNumArgs(interp, 3, objv, NULL); + return TCL_ERROR; + } + if (textPtr->sharedTextPtr->undo) { + canRedo = TkUndoCanRedo(textPtr->sharedTextPtr->undoStack); + } + Tcl_SetObjResult(interp, Tcl_NewBooleanObj(canRedo)); + break; + case EDIT_CANUNDO: + if (objc != 3) { + Tcl_WrongNumArgs(interp, 3, objv, NULL); + return TCL_ERROR; + } + if (textPtr->sharedTextPtr->undo) { + canUndo = TkUndoCanUndo(textPtr->sharedTextPtr->undoStack); + } + Tcl_SetObjResult(interp, Tcl_NewBooleanObj(canUndo)); + break; case EDIT_MODIFIED: if (objc == 3) { Tcl_SetObjResult(interp, Tcl_NewBooleanObj(textPtr->sharedTextPtr->isDirty)); + return TCL_OK; } else if (objc != 4) { Tcl_WrongNumArgs(interp, 3, objv, "?boolean?"); return TCL_ERROR; - } else { - int setModified, oldModified; - - if (Tcl_GetBooleanFromObj(interp, objv[3], - &setModified) != TCL_OK) { - return TCL_ERROR; - } + } else if (Tcl_GetBooleanFromObj(interp, objv[3], + &setModified) != TCL_OK) { + return TCL_ERROR; + } - /* - * Set or reset the dirty info, and trigger a Modified event. - */ + /* + * Set or reset the dirty info, and trigger a Modified event. + */ - setModified = setModified ? 1 : 0; + setModified = setModified ? 1 : 0; - oldModified = textPtr->sharedTextPtr->isDirty; - textPtr->sharedTextPtr->isDirty = setModified; - if (setModified) { - textPtr->sharedTextPtr->dirtyMode = TK_TEXT_DIRTY_FIXED; - } else { - textPtr->sharedTextPtr->dirtyMode = TK_TEXT_DIRTY_NORMAL; - } + oldModified = textPtr->sharedTextPtr->isDirty; + textPtr->sharedTextPtr->isDirty = setModified; + if (setModified) { + textPtr->sharedTextPtr->dirtyMode = TK_TEXT_DIRTY_FIXED; + } else { + textPtr->sharedTextPtr->dirtyMode = TK_TEXT_DIRTY_NORMAL; + } - /* - * Only issue the <<Modified>> event if the flag actually changed. - * However, degree of modified-ness doesn't matter. [Bug 1799782] - */ + /* + * Only issue the <<Modified>> event if the flag actually changed. + * However, degree of modified-ness doesn't matter. [Bug 1799782] + */ - if ((!oldModified) != (!setModified)) { - GenerateModifiedEvent(textPtr); - } + if ((!oldModified) != (!setModified)) { + GenerateModifiedEvent(textPtr); } break; case EDIT_REDO: @@ -5120,17 +5251,28 @@ TextEditCmd( Tcl_WrongNumArgs(interp, 3, objv, NULL); return TCL_ERROR; } + canUndo = TkUndoCanUndo(textPtr->sharedTextPtr->undoStack); if (TextEditRedo(textPtr)) { - Tcl_AppendResult(interp, "nothing to redo", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj("nothing to redo", -1)); + Tcl_SetErrorCode(interp, "TK", "TEXT", "NO_REDO", NULL); return TCL_ERROR; } + canRedo = TkUndoCanRedo(textPtr->sharedTextPtr->undoStack); + if (!canUndo || !canRedo) { + GenerateUndoStackEvent(textPtr); + } break; case EDIT_RESET: if (objc != 3) { Tcl_WrongNumArgs(interp, 3, objv, NULL); return TCL_ERROR; } + canUndo = TkUndoCanUndo(textPtr->sharedTextPtr->undoStack); + canRedo = TkUndoCanRedo(textPtr->sharedTextPtr->undoStack); TkUndoClearStacks(textPtr->sharedTextPtr->undoStack); + if (canUndo || canRedo) { + GenerateUndoStackEvent(textPtr); + } break; case EDIT_SEPARATOR: if (objc != 3) { @@ -5144,10 +5286,16 @@ TextEditCmd( Tcl_WrongNumArgs(interp, 3, objv, NULL); return TCL_ERROR; } + canRedo = TkUndoCanRedo(textPtr->sharedTextPtr->undoStack); if (TextEditUndo(textPtr)) { - Tcl_AppendResult(interp, "nothing to undo", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj("nothing to undo", -1)); + Tcl_SetErrorCode(interp, "TK", "TEXT", "NO_UNDO", NULL); return TCL_ERROR; } + canUndo = TkUndoCanUndo(textPtr->sharedTextPtr->undoStack); + if (!canRedo || !canUndo) { + GenerateUndoStackEvent(textPtr); + } break; } return TCL_OK; @@ -5205,11 +5353,10 @@ TextGetText( if (TkTextIndexCmp(indexPtr1, indexPtr2) < 0) { while (1) { - int offset, last; - TkTextSegment *segPtr; + int offset; + TkTextSegment *segPtr = TkTextIndexToSeg(&tmpIndex, &offset); + int last = segPtr->size, last2; - segPtr = TkTextIndexToSeg(&tmpIndex, &offset); - last = segPtr->size; if (tmpIndex.linePtr == indexPtr2->linePtr) { /* * The last line that was requested must be handled carefully, @@ -5219,21 +5366,17 @@ TextGetText( if (indexPtr2->byteIndex == tmpIndex.byteIndex) { break; - } else { - int last2 = indexPtr2->byteIndex - tmpIndex.byteIndex - + offset; - - if (last2 < last) { - last = last2; - } } - } - if (segPtr->typePtr == &tkTextCharType) { - if (!visibleOnly || !TkTextIsElided(textPtr,&tmpIndex,NULL)) { - Tcl_AppendToObj(resultPtr, segPtr->body.chars + offset, - last - offset); + last2 = indexPtr2->byteIndex - tmpIndex.byteIndex + offset; + if (last2 < last) { + last = last2; } } + if (segPtr->typePtr == &tkTextCharType && + !(visibleOnly && TkTextIsElided(textPtr,&tmpIndex,NULL))){ + Tcl_AppendToObj(resultPtr, segPtr->body.chars + offset, + last - offset); + } TkTextIndexForwBytes(textPtr, &tmpIndex, last-offset, &tmpIndex); } } @@ -5245,8 +5388,9 @@ TextGetText( * * GenerateModifiedEvent -- * - * Send an event that the text was modified. This is equivalent to + * Send an event that the text was modified. This is equivalent to: * event generate $textWidget <<Modified>> + * for all peers of $textWidget. * * Results: * None @@ -5261,18 +5405,41 @@ static void GenerateModifiedEvent( TkText *textPtr) /* Information about text widget. */ { - union {XEvent general; XVirtualEvent virtual;} event; - - Tk_MakeWindowExist(textPtr->tkwin); - - memset(&event, 0, sizeof(event)); - event.general.xany.type = VirtualEvent; - event.general.xany.serial = NextRequest(Tk_Display(textPtr->tkwin)); - event.general.xany.send_event = False; - event.general.xany.window = Tk_WindowId(textPtr->tkwin); - event.general.xany.display = Tk_Display(textPtr->tkwin); - event.virtual.name = Tk_GetUid("Modified"); - Tk_HandleEvent(&event.general); + for (textPtr = textPtr->sharedTextPtr->peers; textPtr != NULL; + textPtr = textPtr->next) { + Tk_MakeWindowExist(textPtr->tkwin); + TkSendVirtualEvent(textPtr->tkwin, "Modified", NULL); + } +} + +/* + *---------------------------------------------------------------------- + * + * GenerateUndoStackEvent -- + * + * Send an event that the undo or redo stack became empty or unempty. + * This is equivalent to: + * event generate $textWidget <<UndoStack>> + * for all peers of $textWidget. + * + * Results: + * None + * + * Side effects: + * May force the text window (and all peers) into existence. + * + *---------------------------------------------------------------------- + */ + +static void +GenerateUndoStackEvent( + TkText *textPtr) /* Information about text widget. */ +{ + for (textPtr = textPtr->sharedTextPtr->peers; textPtr != NULL; + textPtr = textPtr->next) { + Tk_MakeWindowExist(textPtr->tkwin); + TkSendVirtualEvent(textPtr->tkwin, "UndoStack", NULL); + } } /* @@ -5296,7 +5463,6 @@ UpdateDirtyFlag( TkSharedText *sharedTextPtr)/* Information about text widget. */ { int oldDirtyFlag; - TkText *textPtr; /* * If we've been forced to be dirty, we stay dirty (until explicitly @@ -5327,11 +5493,54 @@ UpdateDirtyFlag( } if (sharedTextPtr->isDirty == 0 || oldDirtyFlag == 0) { - for (textPtr = sharedTextPtr->peers; textPtr != NULL; - textPtr = textPtr->next) { - GenerateModifiedEvent(textPtr); + GenerateModifiedEvent(sharedTextPtr->peers); + } +} + +/* + *---------------------------------------------------------------------- + * + * RunAfterSyncCmd -- + * + * This function is called by the event loop and executes the command + * scheduled by [.text sync -command $cmd]. + * + * Results: + * None. + * + * Side effects: + * Anything may happen, depending on $cmd contents. + * + *---------------------------------------------------------------------- + */ + +static void +RunAfterSyncCmd( + ClientData clientData) /* Information about text widget. */ +{ + register TkText *textPtr = (TkText *) clientData; + int code; + + if ((textPtr->tkwin == NULL) || (textPtr->flags & DESTROYED)) { + /* + * The widget has been deleted. Don't do anything. + */ + + if (--textPtr->refCount == 0) { + ckfree((char *) textPtr); } + return; } + + Tcl_Preserve((ClientData) textPtr->interp); + code = Tcl_EvalObjEx(textPtr->interp, textPtr->afterSyncCmd, TCL_EVAL_GLOBAL); + if (code == TCL_ERROR) { + Tcl_AddErrorInfo(textPtr->interp, "\n (text sync)"); + Tcl_BackgroundError(textPtr->interp); + } + Tcl_Release((ClientData) textPtr->interp); + Tcl_DecrRefCount(textPtr->afterSyncCmd); + textPtr->afterSyncCmd = NULL; } /* @@ -5371,7 +5580,7 @@ SearchPerform( * for regexp search, utf-8 bytes for exact search). */ - if ((*searchSpecPtr->lineIndexProc)(interp, fromPtr, searchSpecPtr, + if (searchSpecPtr->lineIndexProc(interp, fromPtr, searchSpecPtr, &searchSpecPtr->startLine, &searchSpecPtr->startOffset) != TCL_OK) { return TCL_ERROR; @@ -5383,7 +5592,7 @@ SearchPerform( if (toPtr != NULL) { const TkTextIndex *indexToPtr, *indexFromPtr; - TkText *textPtr = (TkText *) searchSpecPtr->clientData; + TkText *textPtr = searchSpecPtr->clientData; indexToPtr = TkTextGetIndexFromObj(interp, textPtr, toPtr); if (indexToPtr == NULL) { @@ -5397,17 +5606,12 @@ SearchPerform( * wrap when given a negative search range). */ - if (searchSpecPtr->backwards) { - if (TkTextIndexCmp(indexFromPtr, indexToPtr) == -1) { - return TCL_OK; - } - } else { - if (TkTextIndexCmp(indexFromPtr, indexToPtr) == 1) { - return TCL_OK; - } + if (TkTextIndexCmp(indexFromPtr, indexToPtr) == + (searchSpecPtr->backwards ? -1 : 1)) { + return TCL_OK; } - if ((*searchSpecPtr->lineIndexProc)(interp, toPtr, searchSpecPtr, + if (searchSpecPtr->lineIndexProc(interp, toPtr, searchSpecPtr, &searchSpecPtr->stopLine, &searchSpecPtr->stopOffset) != TCL_OK) { return TCL_ERROR; @@ -5542,7 +5746,8 @@ SearchCore( * it has dual purpose. */ - pattern = Tcl_GetStringFromObj(patObj, &matchLength); + pattern = Tcl_GetString(patObj); + matchLength = patObj->length; nl = strchr(pattern, '\n'); /* @@ -5593,8 +5798,8 @@ SearchCore( * this line, which is what 'lastOffset' represents. */ - lineInfo = (*searchSpecPtr->addLineProc)(lineNum, searchSpecPtr, - theLine, &lastOffset, &linesSearched); + lineInfo = searchSpecPtr->addLineProc(lineNum, searchSpecPtr, theLine, + &lastOffset, &linesSearched); if (lineInfo == NULL) { /* @@ -5673,8 +5878,9 @@ SearchCore( int maxExtraLines = 0; const char *startOfLine = Tcl_GetString(theLine); + CLANG_ASSERT(pattern); do { - Tcl_UniChar ch; + int ch; const char *p; int lastFullLine = lastOffset; @@ -5710,7 +5916,7 @@ SearchCore( } while (p >= startOfLine + firstOffset) { if (p[0] == c && !strncmp(p, pattern, - (unsigned)matchLength)) { + (unsigned) matchLength)) { goto backwardsMatch; } p--; @@ -5739,7 +5945,7 @@ SearchCore( */ p = startOfLine + lastOffset - firstNewLine - 1; - if (strncmp(p, pattern, (unsigned)(firstNewLine + 1))) { + if (strncmp(p, pattern, (unsigned) firstNewLine + 1)) { /* * No match. */ @@ -5778,7 +5984,7 @@ SearchCore( */ if (extraLines > maxExtraLines) { - if ((*searchSpecPtr->addLineProc)(lineNum + if (searchSpecPtr->addLineProc(lineNum + extraLines, searchSpecPtr, theLine, &lastTotal, &extraLines) == NULL) { p = NULL; @@ -5858,9 +6064,8 @@ SearchCore( matchOffset = p - startOfLine; if (searchSpecPtr->all && - !(*searchSpecPtr->foundMatchProc)(lineNum, - searchSpecPtr, lineInfo, theLine, matchOffset, - matchLength)) { + !searchSpecPtr->foundMatchProc(lineNum, searchSpecPtr, + lineInfo, theLine, matchOffset, matchLength)) { /* * We reached the end of the search. */ @@ -5905,7 +6110,7 @@ SearchCore( } } else { firstOffset = p - startOfLine + - Tcl_UtfToUniChar(startOfLine+matchOffset,&ch); + TkUtfToUniChar(startOfLine+matchOffset,&ch); } } } while (searchSpecPtr->all); @@ -6001,7 +6206,7 @@ SearchCore( */ if (extraLines > maxExtraLines) { - if ((*searchSpecPtr->addLineProc)(lineNum + if (searchSpecPtr->addLineProc(lineNum + extraLines, searchSpecPtr, theLine, &lastTotal, &extraLines) == NULL) { /* @@ -6180,9 +6385,9 @@ SearchCore( if (lastBackwardsLineMatch != -1) { recordBackwardsMatch: - (*searchSpecPtr->foundMatchProc)( - lastBackwardsLineMatch, searchSpecPtr, NULL, - NULL, lastBackwardsMatchOffset, matchLength); + searchSpecPtr->foundMatchProc(lastBackwardsLineMatch, + searchSpecPtr, NULL, NULL, + lastBackwardsMatchOffset, matchLength); lastBackwardsLineMatch = -1; if (!searchSpecPtr->all) { goto searchDone; @@ -6225,13 +6430,13 @@ SearchCore( * matches on the heap. */ - int *newArray = (int *) + int *newArray = ckalloc(4 * matchNum * sizeof(int)); memcpy(newArray, storeMatch, matchNum*sizeof(int)); memcpy(newArray + 2*matchNum, storeLength, matchNum * sizeof(int)); if (storeMatch != smArray) { - ckfree((char *) storeMatch); + ckfree(storeMatch); } matchNum *= 2; storeMatch = newArray; @@ -6247,7 +6452,7 @@ SearchCore( */ if (searchSpecPtr->all && - !(*searchSpecPtr->foundMatchProc)(lineNum, + !searchSpecPtr->foundMatchProc(lineNum, searchSpecPtr, lineInfo, theLine, matchOffset, matchLength)) { /* @@ -6338,7 +6543,7 @@ SearchCore( continue; } } - (*searchSpecPtr->foundMatchProc)(lineNum, searchSpecPtr, + searchSpecPtr->foundMatchProc(lineNum, searchSpecPtr, lineInfo, theLine, matchOffset, matchLength); if (!searchSpecPtr->all) { goto searchDone; @@ -6353,7 +6558,7 @@ SearchCore( * non-all case. */ - (*searchSpecPtr->foundMatchProc)(lineNum, searchSpecPtr, + searchSpecPtr->foundMatchProc(lineNum, searchSpecPtr, lineInfo, theLine, matchOffset, matchLength); } else { lastBackwardsLineMatch = lineNum; @@ -6372,7 +6577,7 @@ SearchCore( if ((lastBackwardsLineMatch == -1) && (matchOffset >= 0) && !searchSpecPtr->all) { - (*searchSpecPtr->foundMatchProc)(lineNum, searchSpecPtr, lineInfo, + searchSpecPtr->foundMatchProc(lineNum, searchSpecPtr, lineInfo, theLine, matchOffset, matchLength); goto searchDone; } @@ -6399,7 +6604,7 @@ SearchCore( if (lastBackwardsLineMatch != -1 && ((lineNum < 0) || (lineNum + 2 < lastBackwardsLineMatch))) { - (*searchSpecPtr->foundMatchProc)(lastBackwardsLineMatch, + searchSpecPtr->foundMatchProc(lastBackwardsLineMatch, searchSpecPtr, NULL, NULL, lastBackwardsMatchOffset, matchLength); lastBackwardsLineMatch = -1; @@ -6445,7 +6650,7 @@ SearchCore( searchDone: if (lastBackwardsLineMatch != -1) { - (*searchSpecPtr->foundMatchProc)(lastBackwardsLineMatch, searchSpecPtr, + searchSpecPtr->foundMatchProc(lastBackwardsLineMatch, searchSpecPtr, NULL, NULL, lastBackwardsMatchOffset, matchLength); } @@ -6461,7 +6666,7 @@ SearchCore( */ if (storeMatch != smArray) { - ckfree((char *) storeMatch); + ckfree(storeMatch); } return code; @@ -6496,9 +6701,8 @@ GetLineStartEnd( if (linePtr == NULL) { return Tcl_NewObj(); - } else { - return Tcl_NewIntObj(1+TkBTreeLinesTo(NULL, linePtr)); } + return Tcl_NewIntObj(1 + TkBTreeLinesTo(NULL, linePtr)); } /* @@ -6611,16 +6815,14 @@ static int ObjectIsEmpty( Tcl_Obj *objPtr) /* Object to test. May be NULL. */ { - int length; - if (objPtr == NULL) { return 1; } if (objPtr->bytes != NULL) { return (objPtr->length == 0); } - Tcl_GetStringFromObj(objPtr, &length); - return (length == 0); + (void)Tcl_GetString(objPtr); + return (objPtr->length == 0); } /* @@ -6645,8 +6847,8 @@ int TkpTesttextCmd( ClientData clientData, /* Main window for application. */ Tcl_Interp *interp, /* Current interpreter. */ - int argc, /* Number of arguments. */ - const char **argv) /* Argument strings. */ + int objc, /* Number of arguments. */ + Tcl_Obj *const objv[]) /* Argument strings. */ { TkText *textPtr; size_t len; @@ -6655,45 +6857,41 @@ TkpTesttextCmd( char buf[64]; Tcl_CmdInfo info; - if (argc < 3) { + if (objc < 3) { return TCL_ERROR; } - if (Tcl_GetCommandInfo(interp, argv[1], &info) == 0) { + if (Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &info) == 0) { return TCL_ERROR; } - if (info.isNativeObjectProc) { - textPtr = (TkText *) info.objClientData; - } else { - textPtr = (TkText *) info.clientData; - } - len = strlen(argv[2]); - if (strncmp(argv[2], "byteindex", len) == 0) { - if (argc != 5) { + textPtr = info.objClientData; + len = strlen(Tcl_GetString(objv[2])); + if (strncmp(Tcl_GetString(objv[2]), "byteindex", len) == 0) { + if (objc != 5) { return TCL_ERROR; } - lineIndex = atoi(argv[3]) - 1; - byteIndex = atoi(argv[4]); + lineIndex = atoi(Tcl_GetString(objv[3])) - 1; + byteIndex = atoi(Tcl_GetString(objv[4])); TkTextMakeByteIndex(textPtr->sharedTextPtr->tree, textPtr, lineIndex, byteIndex, &index); - } else if (strncmp(argv[2], "forwbytes", len) == 0) { - if (argc != 5) { + } else if (strncmp(Tcl_GetString(objv[2]), "forwbytes", len) == 0) { + if (objc != 5) { return TCL_ERROR; } - if (TkTextGetIndex(interp, textPtr, argv[3], &index) != TCL_OK) { + if (TkTextGetIndex(interp, textPtr, Tcl_GetString(objv[3]), &index) != TCL_OK) { return TCL_ERROR; } - byteOffset = atoi(argv[4]); + byteOffset = atoi(Tcl_GetString(objv[4])); TkTextIndexForwBytes(textPtr, &index, byteOffset, &index); - } else if (strncmp(argv[2], "backbytes", len) == 0) { - if (argc != 5) { + } else if (strncmp(Tcl_GetString(objv[2]), "backbytes", len) == 0) { + if (objc != 5) { return TCL_ERROR; } - if (TkTextGetIndex(interp, textPtr, argv[3], &index) != TCL_OK) { + if (TkTextGetIndex(interp, textPtr, Tcl_GetString(objv[3]), &index) != TCL_OK) { return TCL_ERROR; } - byteOffset = atoi(argv[4]); + byteOffset = atoi(Tcl_GetString(objv[4])); TkTextIndexBackBytes(textPtr, &index, byteOffset, &index); } else { return TCL_ERROR; @@ -6701,9 +6899,7 @@ TkpTesttextCmd( TkTextSetMark(textPtr, "insert", &index); TkTextPrintIndex(textPtr, &index, buf); - sprintf(buf + strlen(buf), " %d", index.byteIndex); - Tcl_AppendResult(interp, buf, NULL); - + Tcl_SetObjResult(interp, Tcl_ObjPrintf("%s %d", buf, index.byteIndex)); return TCL_OK; } |