diff options
Diffstat (limited to 'mac/tkMacClipboard.c')
-rw-r--r-- | mac/tkMacClipboard.c | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/mac/tkMacClipboard.c b/mac/tkMacClipboard.c deleted file mode 100644 index c565392..0000000 --- a/mac/tkMacClipboard.c +++ /dev/null @@ -1,303 +0,0 @@ -/* - * tkMacClipboard.c -- - * - * This file manages the clipboard for the Tk toolkit. - * - * Copyright (c) 1995-1997 Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tkMacClipboard.c,v 1.6 2000/02/10 08:53:11 jingham Exp $ - */ - -#include "tkInt.h" -#include "tkPort.h" -#include "tkMacInt.h" - -#include <Scrap.h> -#include <Events.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; - long length, offset = 0; - Handle handle; - - if ((selection == Tk_InternAtom(tkwin, "CLIPBOARD")) - && (target == XA_STRING)) { - /* - * Get the scrap from the Macintosh global clipboard. - */ - handle = NewHandle(1); - length = GetScrap(handle, 'TEXT', &offset); - if (length > 0) { - Tcl_DString encodedText; - - SetHandleSize(handle, (Size) length + 1); - HLock(handle); - (*handle)[length] = '\0'; - - Tcl_ExternalToUtfDString(NULL, *handle, length, &encodedText); - result = (*proc)(clientData, interp, - Tcl_DStringValue(&encodedText)); - Tcl_DStringFree(&encodedText); - - HUnlock(handle); - DisposeHandle(handle); - return result; - } - - DisposeHandle(handle); - } - - Tcl_AppendResult(interp, Tk_GetAtomName(tkwin, selection), - " selection doesn't exist or form \"", Tk_GetAtomName(tkwin, target), - "\" not defined", (char *) 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. - * - *---------------------------------------------------------------------- - */ - -void -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; - } - ZeroScrap(); - } -} - -/* - *---------------------------------------------------------------------- - * - * 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() -{ - TkClipboardTarget *targetPtr; - TkClipboardBuffer *cbPtr; - TkDisplay *dispPtr; - char *buffer, *p, *endPtr, *buffPtr; - long length; - - 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; - } - } - } - - ZeroScrap(); - Tcl_UtfToExternalDString(NULL, buffer, length, &encodedText); - PutScrap(Tcl_DStringLength(&encodedText), 'TEXT', - 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; -} |