diff options
Diffstat (limited to 'carbon/tkMacOSXClipboard.c')
-rw-r--r-- | carbon/tkMacOSXClipboard.c | 380 |
1 files changed, 0 insertions, 380 deletions
diff --git a/carbon/tkMacOSXClipboard.c b/carbon/tkMacOSXClipboard.c deleted file mode 100644 index a57ec58..0000000 --- a/carbon/tkMacOSXClipboard.c +++ /dev/null @@ -1,380 +0,0 @@ -/* - * tkMacOSXClipboard.c -- - * - * This file manages the clipboard for the Tk toolkit. - * - * Copyright (c) 1995-1997 Sun Microsystems, Inc. - * Copyright 2001, Apple Computer, Inc. - * Copyright (c) 2006-2007 Daniel A. Steffen <das@users.sourceforge.net> - * - * See the file "license.terms" for information on usage and redistribution of - * this file, and for a DISCLAIMER OF ALL WARRANTIES. - */ - -#include "tkMacOSXPrivate.h" -#include "tkSelect.h" - -/* - *---------------------------------------------------------------------- - * - * TkSelGetSelection -- - * - * Retrieve the specified selection from another process. For now, only - * fetching XA_STRING from CLIPBOARD is supported. Eventually other types - * should be allowed. - * - * Results: - * The return value is a standard Tcl return value. If an error occurs - * (such as no selection exists) then an error message is left in the - * interp's result. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -TkSelGetSelection( - Tcl_Interp *interp, /* Interpreter to use for reporting errors. */ - Tk_Window tkwin, /* Window on whose behalf to retrieve the - * selection (determines display from which to - * retrieve). */ - Atom selection, /* Selection to retrieve. */ - Atom target, /* Desired form in which selection is to be - * returned. */ - Tk_GetSelProc *proc, /* Procedure to call to process the selection, - * once it has been retrieved. */ - ClientData clientData) /* Arbitrary value to pass to proc. */ -{ - int result; - OSStatus err; - long length; - ScrapRef scrapRef; - char *buf; - - if ((selection == Tk_InternAtom(tkwin, "CLIPBOARD")) - && (target == XA_STRING)) { - /* - * Get the scrap from the Macintosh global clipboard. - */ - - err = ChkErr(GetCurrentScrap, &scrapRef); - if (err != noErr) { - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "%s GetCurrentScrap failed.", - Tk_GetAtomName(tkwin, selection))); - Tcl_SetErrorCode(interp, "TK", "SELECTION", "SCRAP", NULL); - return TCL_ERROR; - } - - /* - * Try UNICODE first - */ - - err = ChkErr(GetScrapFlavorSize, scrapRef, kScrapFlavorTypeUnicode, - &length); - if (err == noErr && length > 0) { - Tcl_DString ds; - char *data; - - buf = ckalloc(length + 2); - buf[length] = 0; - buf[length+1] = 0; /* 2-byte unicode null */ - err = ChkErr(GetScrapFlavorData, scrapRef, - kScrapFlavorTypeUnicode, &length, buf); - if (err == noErr) { - Tcl_DStringInit(&ds); - Tcl_UniCharToUtfDString((Tcl_UniChar *) buf, - Tcl_UniCharLen((Tcl_UniChar *) buf), &ds); - for (data = Tcl_DStringValue(&ds); *data != '\0'; data++) { - if (*data == '\r') { - *data = '\n'; - } - } - result = proc(clientData, interp, Tcl_DStringValue(&ds)); - Tcl_DStringFree(&ds); - ckfree(buf); - return result; - } - } - - err = ChkErr(GetScrapFlavorSize, scrapRef, 'TEXT', &length); - if (err != noErr) { - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "%s GetScrapFlavorSize failed.", - Tk_GetAtomName(tkwin, selection))); - Tcl_SetErrorCode(interp, "TK", "SELECTION", "FLAVORSIZE", NULL); - return TCL_ERROR; - } - if (length > 0) { - Tcl_DString encodedText; - char *data; - - buf = ckalloc(length + 1); - buf[length] = 0; - err = ChkErr(GetScrapFlavorData, scrapRef, 'TEXT', &length, buf); - if (err != noErr) { - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "%s GetScrapFlavorData failed.", - Tk_GetAtomName(tkwin, selection))); - Tcl_SetErrorCode(interp, "TK", "SELECTION", "FLAVORDATA", - NULL); - return TCL_ERROR; - } - - /* - * Tcl expects '\n' not '\r' as the line break character. - */ - - for (data = buf; *data != '\0'; data++) { - if (*data == '\r') { - *data = '\n'; - } - } - - Tcl_ExternalToUtfDString(TkMacOSXCarbonEncoding, buf, length, - &encodedText); - result = proc(clientData, interp, Tcl_DStringValue(&encodedText)); - Tcl_DStringFree(&encodedText); - - ckfree(buf); - return result; - } - } - - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "%s selection doesn't exist or form \"%s\" not defined", - Tk_GetAtomName(tkwin, selection), Tk_GetAtomName(tkwin, target))); - Tcl_SetErrorCode(interp, "TK", "SELECTION", "EXISTS", NULL); - return TCL_ERROR; -} - -/* - *---------------------------------------------------------------------- - * - * TkSetSelectionOwner -- - * - * This function claims ownership of the specified selection. If the - * selection is CLIPBOARD, then we empty the system clipboard. - * - * Results: - * None. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -XSetSelectionOwner( - Display *display, /* X Display. */ - Atom selection, /* What selection to own. */ - Window owner, /* Window to be the owner. */ - Time time) /* The current time? */ -{ - Tk_Window tkwin; - TkDisplay *dispPtr; - - /* - * This is a gross hack because the Tk_InternAtom interface is broken. It - * expects a Tk_Window, even though it only needs a Tk_Display. - */ - - tkwin = (Tk_Window) TkGetMainInfoList()->winPtr; - - if (selection == Tk_InternAtom(tkwin, "CLIPBOARD")) { - /* - * Only claim and empty the clipboard if we aren't already the owner - * of the clipboard. - */ - - dispPtr = TkGetMainInfoList()->winPtr->dispPtr; - if (dispPtr->clipboardActive) { - return Success; - } - ClearCurrentScrap(); - } - return Success; -} - -/* - *---------------------------------------------------------------------- - * - * TkSelUpdateClipboard -- - * - * This function is called to force the clipboard to be updated after new - * data is added. On the Mac we don't need to do anything. - * - * Results: - * None. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -void -TkSelUpdateClipboard( - TkWindow *winPtr, /* Window associated with clipboard. */ - TkClipboardTarget *targetPtr) - /* Info about the content. */ -{ -} - -/* - *-------------------------------------------------------------- - * - * TkSelEventProc -- - * - * This procedure is invoked whenever a selection-related event occurs. - * - * Results: - * None. - * - * Side effects: - * Lots: depends on the type of event. - * - *-------------------------------------------------------------- - */ - -void -TkSelEventProc( - Tk_Window tkwin, /* Window for which event was targeted. */ - register XEvent *eventPtr) /* X event: either SelectionClear, - * SelectionRequest, or SelectionNotify. */ -{ - if (eventPtr->type == SelectionClear) { - TkSelClearSelection(tkwin, eventPtr); - } -} - -/* - *---------------------------------------------------------------------- - * - * TkSelPropProc -- - * - * This procedure is invoked when property-change events occur on windows - * not known to the toolkit. This is a stub function under Windows. - * - * Results: - * None. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -void -TkSelPropProc( - register XEvent *eventPtr) /* X PropertyChange event. */ -{ -} - -/* - *---------------------------------------------------------------------- - * - * TkSuspendClipboard -- - * - * Handle clipboard conversion as required by the suppend event. This - * function is also called on exit. - * - * Results: - * None. - * - * Side effects: - * The local scrap is moved to the global scrap. - * - *---------------------------------------------------------------------- - */ - -void -TkSuspendClipboard(void) -{ - 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, unicodedText; - - 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); - - /* - * Also put unicode data on scrap. - */ - - Tcl_DStringInit(&unicodedText); - Tcl_UtfToUniCharDString(buffer, length, &unicodedText); - PutScrapFlavor(scrapRef, kScrapFlavorTypeUnicode, 0, - Tcl_DStringLength(&unicodedText), - Tcl_DStringValue(&unicodedText)); - Tcl_DStringFree(&unicodedText); - - 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; -} - -/* - * Local Variables: - * fill-column: 78 - * c-basic-offset: 4 - * End: - */ |