GNU/Linux man pages
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Syntaxe et mise en oeuvre :
GNU/Linux |
RedHat 5.2(Apollo) |
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Tk_ClipboardAppend(3) |
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Tk_ClipboardClear, Tk_ClipboardAppend − Manage the clipboard
#include <tk.h>
int
Tk_ClipboardClear(interp, tkwin)
int
Tk_ClipboardAppend(interp, tkwin, target, format,
buffer)
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Tcl_Interp *interp (in) |
Interpreter to use for reporting errors. | ||
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Tk_Window tkwin (in) |
Window that determines which display’s clipboard to manipulate. | ||
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Atom target (in) |
Conversion type for this clipboard item; has same meaning as target argument to Tk_CreateSelHandler. | ||
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Atom format (in) |
Representation to use when data is retrieved; has same meaning as format argument to Tk_CreateSelHandler. | ||
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char *buffer (in) |
Null terminated string containing the data to be appended to the clipboard. |
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These two procedures manage the clipboard for Tk. The clipboard is typically managed by calling Tk_ClipboardClear once, then calling Tk_ClipboardAppend to add data for any number of targets.
Tk_ClipboardClear claims the CLIPBOARD selection and frees any data items previously stored on the clipboard in this application. It normally returns TCL_OK, but if an error occurs it returns TCL_ERROR and leaves an error message in interp->result. Tk_ClipboardClear must be called before a sequence of Tk_ClipboardAppend calls can be issued.
Tk_ClipboardAppend appends a buffer of data to the clipboard. The first buffer for a given target determines the format for that target. Any successive appends for that target must have the same format or an error will be returned. Tk_ClipboardAppend returns TCL_OK if the buffer is successfully copied onto the clipboard. If the clipboard is not currently owned by the application, either because Tk_ClipboardClear has not been called or because ownership of the clipboard has changed since the last call to Tk_ClipboardClear, Tk_ClipboardAppend returns TCL_ERROR and leaves an error message in interp->result.
In order to guarantee atomicity, no event handling should occur between Tk_ClipboardClear and the following Tk_ClipboardAppend calls (otherwise someone could retrieve a partially completed clipboard or claim ownership away from this application).
Tk_ClipboardClear may invoke callbacks, including arbitrary Tcl scripts, as a result of losing the CLIPBOARD selection, so any calling function should take care to be reentrant at the point Tk_ClipboardClear is invoked.
append, clipboard, clear, format, type
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Tk_ClipboardAppend(3) | |