void TkSuspendClipboard() { TkClipboardTarget *targetPtr; TkClipboardBuffer *cbPtr; TkDisplay *dispPtr; char *buffer, *p, *endPtr, *buffPtr; long length; dispPtr = tkDisplayList; if ((dispPtr == NULL) || !dispPtr->clipboardActive) { return; } for (targetPtr = dispPtr->clipTargetPtr; targetPtr != NULL; targetPtr = targetPtr->nextPtr) { if (targetPtr->type == XA_STRING) break; } if (targetPtr != NULL) { length = 0; for (cbPtr = targetPtr->firstBufferPtr; cbPtr != NULL; cbPtr = cbPtr->nextPtr) { length += cbPtr->length; } buffer = ckalloc(length); buffPtr = buffer; for (cbPtr = targetPtr->firstBufferPtr; cbPtr != NULL; cbPtr = cbPtr->nextPtr) { for (p = cbPtr->buffer, endPtr = p + cbPtr->length; p < endPtr; p++) { if (*p == '\n') { *buffPtr++ = '\r'; } else { *buffPtr++ = *p; } } } ZeroScrap(); PutScrap(length, 'TEXT', buffer); ckfree(buffer); } /* * The system now owns the scrap. We tell Tk that it has * lost the selection so that it will look for it the next time * it needs it. (Window list NULL if quiting.) */ if (tkMainWindowList != NULL) { Tk_ClearSelection((Tk_Window) tkMainWindowList->winPtr, Tk_InternAtom((Tk_Window) tkMainWindowList->winPtr, "CLIPBOARD")); } return; }
int Tk_SelectionObjCmd( ClientData clientData, /* Main window associated with * interpreter. */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { Tk_Window tkwin = clientData; char *path = NULL; Atom selection; char *selName = NULL, *string; int count, index; Tcl_Obj **objs; static const char *const optionStrings[] = { "clear", "get", "handle", "own", NULL }; enum options { SELECTION_CLEAR, SELECTION_GET, SELECTION_HANDLE, SELECTION_OWN }; if (objc < 2) { Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0, &index) != TCL_OK) { return TCL_ERROR; } switch ((enum options) index) { case SELECTION_CLEAR: { static const char *const clearOptionStrings[] = { "-displayof", "-selection", NULL }; enum clearOptions { CLEAR_DISPLAYOF, CLEAR_SELECTION }; int clearIndex; for (count = objc-2, objs = ((Tcl_Obj **)objv)+2; count > 0; count-=2, objs+=2) { string = Tcl_GetString(objs[0]); if (string[0] != '-') { break; } if (count < 2) { Tcl_AppendResult(interp, "value for \"", string, "\" missing", NULL); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objs[0], clearOptionStrings, "option", 0, &clearIndex) != TCL_OK) { return TCL_ERROR; } switch ((enum clearOptions) clearIndex) { case CLEAR_DISPLAYOF: path = Tcl_GetString(objs[1]); break; case CLEAR_SELECTION: selName = Tcl_GetString(objs[1]); break; } } if (count == 1) { path = Tcl_GetString(objs[0]); } else if (count > 1) { Tcl_WrongNumArgs(interp, 2, objv, "?-option value ...?"); return TCL_ERROR; } if (path != NULL) { tkwin = Tk_NameToWindow(interp, path, tkwin); } if (tkwin == NULL) { return TCL_ERROR; } if (selName != NULL) { selection = Tk_InternAtom(tkwin, selName); } else { selection = XA_PRIMARY; } Tk_ClearSelection(tkwin, selection); break; } case SELECTION_GET: { Atom target; char *targetName = NULL; Tcl_DString selBytes; int result; static const char *const getOptionStrings[] = { "-displayof", "-selection", "-type", NULL }; enum getOptions { GET_DISPLAYOF, GET_SELECTION, GET_TYPE }; int getIndex; for (count = objc-2, objs = ((Tcl_Obj **)objv)+2; count>0; count-=2, objs+=2) { string = Tcl_GetString(objs[0]); if (string[0] != '-') { break; } if (count < 2) { Tcl_AppendResult(interp, "value for \"", string, "\" missing", NULL); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objs[0], getOptionStrings, "option", 0, &getIndex) != TCL_OK) { return TCL_ERROR; } switch ((enum getOptions) getIndex) { case GET_DISPLAYOF: path = Tcl_GetString(objs[1]); break; case GET_SELECTION: selName = Tcl_GetString(objs[1]); break; case GET_TYPE: targetName = Tcl_GetString(objs[1]); break; } } if (path != NULL) { tkwin = Tk_NameToWindow(interp, path, tkwin); } if (tkwin == NULL) { return TCL_ERROR; } if (selName != NULL) { selection = Tk_InternAtom(tkwin, selName); } else { selection = XA_PRIMARY; } if (count > 1) { Tcl_WrongNumArgs(interp, 2, objv, "?-option value ...?"); return TCL_ERROR; } else if (count == 1) { target = Tk_InternAtom(tkwin, Tcl_GetString(objs[0])); } else if (targetName != NULL) { target = Tk_InternAtom(tkwin, targetName); } else { target = XA_STRING; } Tcl_DStringInit(&selBytes); result = Tk_GetSelection(interp, tkwin, selection, target, SelGetProc, &selBytes); if (result == TCL_OK) { Tcl_DStringResult(interp, &selBytes); } else { Tcl_DStringFree(&selBytes); } return result; } case SELECTION_HANDLE: { Atom target, format; char *targetName = NULL; char *formatName = NULL; register CommandInfo *cmdInfoPtr; int cmdLength; static const char *const handleOptionStrings[] = { "-format", "-selection", "-type", NULL }; enum handleOptions { HANDLE_FORMAT, HANDLE_SELECTION, HANDLE_TYPE }; int handleIndex; for (count = objc-2, objs = ((Tcl_Obj **)objv)+2; count > 0; count-=2, objs+=2) { string = Tcl_GetString(objs[0]); if (string[0] != '-') { break; } if (count < 2) { Tcl_AppendResult(interp, "value for \"", string, "\" missing", NULL); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objs[0],handleOptionStrings, "option", 0, &handleIndex) != TCL_OK) { return TCL_ERROR; } switch ((enum handleOptions) handleIndex) { case HANDLE_FORMAT: formatName = Tcl_GetString(objs[1]); break; case HANDLE_SELECTION: selName = Tcl_GetString(objs[1]); break; case HANDLE_TYPE: targetName = Tcl_GetString(objs[1]); break; } } if ((count < 2) || (count > 4)) { Tcl_WrongNumArgs(interp, 2, objv, "?-option value ...? window command"); return TCL_ERROR; } tkwin = Tk_NameToWindow(interp, Tcl_GetString(objs[0]), tkwin); if (tkwin == NULL) { return TCL_ERROR; } if (selName != NULL) { selection = Tk_InternAtom(tkwin, selName); } else { selection = XA_PRIMARY; } if (count > 2) { target = Tk_InternAtom(tkwin, Tcl_GetString(objs[2])); } else if (targetName != NULL) { target = Tk_InternAtom(tkwin, targetName); } else { target = XA_STRING; } if (count > 3) { format = Tk_InternAtom(tkwin, Tcl_GetString(objs[3])); } else if (formatName != NULL) { format = Tk_InternAtom(tkwin, formatName); } else { format = XA_STRING; } string = Tcl_GetStringFromObj(objs[1], &cmdLength); if (cmdLength == 0) { Tk_DeleteSelHandler(tkwin, selection, target); } else { cmdInfoPtr = (CommandInfo *) ckalloc((unsigned) ( sizeof(CommandInfo) - 3 + cmdLength)); cmdInfoPtr->interp = interp; cmdInfoPtr->charOffset = 0; cmdInfoPtr->byteOffset = 0; cmdInfoPtr->buffer[0] = '\0'; cmdInfoPtr->cmdLength = cmdLength; strcpy(cmdInfoPtr->command, string); Tk_CreateSelHandler(tkwin, selection, target, HandleTclCommand, cmdInfoPtr, format); } return TCL_OK; } case SELECTION_OWN: { register LostCommand *lostPtr; char *script = NULL; int cmdLength; static const char *const ownOptionStrings[] = { "-command", "-displayof", "-selection", NULL }; enum ownOptions { OWN_COMMAND, OWN_DISPLAYOF, OWN_SELECTION }; int ownIndex; for (count = objc-2, objs = ((Tcl_Obj **)objv)+2; count > 0; count-=2, objs+=2) { string = Tcl_GetString(objs[0]); if (string[0] != '-') { break; } if (count < 2) { Tcl_AppendResult(interp, "value for \"", string, "\" missing", NULL); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objs[0], ownOptionStrings, "option", 0, &ownIndex) != TCL_OK) { return TCL_ERROR; } switch ((enum ownOptions) ownIndex) { case OWN_COMMAND: script = Tcl_GetString(objs[1]); break; case OWN_DISPLAYOF: path = Tcl_GetString(objs[1]); break; case OWN_SELECTION: selName = Tcl_GetString(objs[1]); break; } } if (count > 2) { Tcl_WrongNumArgs(interp, 2, objv, "?-option value ...? ?window?"); return TCL_ERROR; } if (selName != NULL) { selection = Tk_InternAtom(tkwin, selName); } else { selection = XA_PRIMARY; } if (count == 0) { TkSelectionInfo *infoPtr; TkWindow *winPtr; if (path != NULL) { tkwin = Tk_NameToWindow(interp, path, tkwin); } if (tkwin == NULL) { return TCL_ERROR; } winPtr = (TkWindow *)tkwin; for (infoPtr = winPtr->dispPtr->selectionInfoPtr; infoPtr != NULL; infoPtr = infoPtr->nextPtr) { if (infoPtr->selection == selection) { break; } } /* * Ignore the internal clipboard window. */ if ((infoPtr != NULL) && (infoPtr->owner != winPtr->dispPtr->clipWindow)) { Tcl_SetResult(interp, Tk_PathName(infoPtr->owner), TCL_STATIC); } return TCL_OK; } tkwin = Tk_NameToWindow(interp, Tcl_GetString(objs[0]), tkwin); if (tkwin == NULL) { return TCL_ERROR; } if (count == 2) { script = Tcl_GetString(objs[1]); } if (script == NULL) { Tk_OwnSelection(tkwin, selection, NULL, NULL); return TCL_OK; } cmdLength = strlen(script); lostPtr = (LostCommand *) ckalloc((unsigned) (sizeof(LostCommand) - 3 + cmdLength)); lostPtr->interp = interp; strcpy(lostPtr->command, script); Tk_OwnSelection(tkwin, selection, LostSelection, lostPtr); return TCL_OK; } } return TCL_OK; }
void TkSuspendClipboard() { TkClipboardTarget *targetPtr; TkClipboardBuffer *cbPtr; TkDisplay *dispPtr; char *buffer, *p, *endPtr, *buffPtr; long length; ScrapRef scrapRef; dispPtr = TkGetDisplayList(); if ((dispPtr == NULL) || !dispPtr->clipboardActive) { return; } for (targetPtr = dispPtr->clipTargetPtr; targetPtr != NULL; targetPtr = targetPtr->nextPtr) { if (targetPtr->type == XA_STRING) break; } if (targetPtr != NULL) { Tcl_DString encodedText; length = 0; for (cbPtr = targetPtr->firstBufferPtr; cbPtr != NULL; cbPtr = cbPtr->nextPtr) { length += cbPtr->length; } buffer = ckalloc(length); buffPtr = buffer; for (cbPtr = targetPtr->firstBufferPtr; cbPtr != NULL; cbPtr = cbPtr->nextPtr) { for (p = cbPtr->buffer, endPtr = p + cbPtr->length; p < endPtr; p++) { if (*p == '\n') { *buffPtr++ = '\r'; } else { *buffPtr++ = *p; } } } ClearCurrentScrap(); GetCurrentScrap(&scrapRef); Tcl_UtfToExternalDString(TkMacOSXCarbonEncoding, buffer, length, &encodedText); PutScrapFlavor(scrapRef, 'TEXT', 0, Tcl_DStringLength(&encodedText), Tcl_DStringValue(&encodedText) ); Tcl_DStringFree(&encodedText); ckfree(buffer); } /* * The system now owns the scrap. We tell Tk that it has * lost the selection so that it will look for it the next time * it needs it. (Window list NULL if quiting.) */ if (TkGetMainInfoList() != NULL) { Tk_ClearSelection((Tk_Window) TkGetMainInfoList()->winPtr, Tk_InternAtom((Tk_Window) TkGetMainInfoList()->winPtr, "CLIPBOARD")); } return; }