XmClipboardCopy — A clipboard function that copies a
data item to temporary storage for later copying to clipboard
#include <Xm/CutPaste.h>
int XmClipboardCopy (display, window, item_id, format_name,
buffer, length, private_id, data_id)
Display * display;
Window window;
long item_id;
char * format_name;
XtPointer buffer;
unsigned long length;
long private_id;
long * data_id;
(void)
XmClipboardCopy copies a data item to temporary storage.
The data item is moved from temporary storage to the clipboard data
structure when a call to XmClipboardEndCopy is made. Additional calls
to XmClipboardCopy before a call to XmClipboardEndCopy add
additional data item formats to the same data item or append data to an
existing format. Formats are described in the Inter-Client Communication
Conventions Manual (ICCCM) as targets.
NOTE: Do not call XmClipboardCopy before a call to
XmClipboardStartCopy has been made. The latter function allocates
temporary storage required by XmClipboardCopy.
If the buffer argument is NULL, the data is considered to
be passed by name. When data that has been passed by name is later requested
by another application, the application that owns the data receives a
callback with a request for the data. The application that owns the data
must then transfer the data to the clipboard with the
XmClipboardCopyByName function. When a data item that was passed by
name is deleted from the clipboard, the application that owns the data
receives a callback stating that the data is no longer needed.
For information on the callback function, see the callback
argument description for XmClipboardStartCopy.
- display
- Specifies a pointer to the Display structure that was returned in a
previous call to XOpenDisplay or XtDisplay.
- window
- Specifies the window ID of a widget that relates the application window to
the clipboard. The widget's window ID can be obtained through
XtWindow. The same application instance should pass the same window
ID to each of the clipboard functions that it calls.
- item_id
- Specifies the number assigned to this data item. This number was returned
by a previous call to XmClipboardStartCopy.
- format_name
- Specifies the name of the format in which the data item is stored on the
clipboard. The format was known as target in the ICCCM.
- buffer
- Specifies the buffer from which the clipboard copies the data.
- length
- Specifies the length, in bytes, of the data being copied to the
clipboard.
- private_id
- Specifies the private data that the application wants to store with the
data item.
- data_id
- Specifies an identifying number assigned to the data item that uniquely
identifies the data item and the format. This argument is required only
for data that is passed by name.
- XmClipboardSuccess
- The function was successful.
- XmClipboardLocked
- The function failed because the clipboard was locked by another
application. The application can continue to call the function again with
the same parameters until the lock goes away. This gives the application
the opportunity to ask if the user wants to keep trying or to give up on
the operation.
- XmClipboardFail
- The function failed because XmClipboardStartCopy was not called or
because the data item contains too many formats.
XmClipboardCopyByName(3), XmClipboardEndCopy(3), and
XmClipboardStartCopy(3).