diff options
Diffstat (limited to 'generic/tkClipboard.c')
| -rw-r--r-- | generic/tkClipboard.c | 564 |
1 files changed, 281 insertions, 283 deletions
diff --git a/generic/tkClipboard.c b/generic/tkClipboard.c index 8c37f09..9428894 100644 --- a/generic/tkClipboard.c +++ b/generic/tkClipboard.c @@ -1,48 +1,46 @@ /* * tkClipboard.c -- * - * This file manages the clipboard for the Tk toolkit, - * maintaining a collection of data buffers that will be - * supplied on demand to requesting applications. + * This file manages the clipboard for the Tk toolkit, maintaining a + * collection of data buffers that will be supplied on demand to + * requesting applications. * * Copyright (c) 1994 The Regents of the University of California. * Copyright (c) 1994-1997 Sun Microsystems, Inc. * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #include "tkInt.h" -#include "tkPort.h" #include "tkSelect.h" /* - * Prototypes for procedures used only in this file: + * Prototypes for functions used only in this file: */ -static int ClipboardAppHandler _ANSI_ARGS_((ClientData clientData, - int offset, char *buffer, int maxBytes)); -static int ClipboardHandler _ANSI_ARGS_((ClientData clientData, - int offset, char *buffer, int maxBytes)); -static int ClipboardWindowHandler _ANSI_ARGS_(( - ClientData clientData, int offset, char *buffer, - int maxBytes)); -static void ClipboardLostSel _ANSI_ARGS_((ClientData clientData)); -static int ClipboardGetProc _ANSI_ARGS_((ClientData clientData, - Tcl_Interp *interp, char *portion)); +static int ClipboardAppHandler(ClientData clientData, + int offset, char *buffer, int maxBytes); +static int ClipboardHandler(ClientData clientData, + int offset, char *buffer, int maxBytes); +static int ClipboardWindowHandler(ClientData clientData, + int offset, char *buffer, int maxBytes); +static void ClipboardLostSel(ClientData clientData); +static int ClipboardGetProc(ClientData clientData, + Tcl_Interp *interp, char *portion); /* *---------------------------------------------------------------------- * * ClipboardHandler -- * - * This procedure acts as selection handler for the - * clipboard manager. It extracts the required chunk of - * data from the buffer chain for a given selection target. + * This function acts as selection handler for the clipboard manager. It + * extracts the required chunk of data from the buffer chain for a given + * selection target. * * Results: - * The return value is a count of the number of bytes - * actually stored at buffer. + * The return value is a count of the number of bytes actually stored at + * buffer. * * Side effects: * None. @@ -51,17 +49,17 @@ static int ClipboardGetProc _ANSI_ARGS_((ClientData clientData, */ static int -ClipboardHandler(clientData, offset, buffer, maxBytes) - ClientData clientData; /* Information about data to fetch. */ - int offset; /* Return selection bytes starting at this +ClipboardHandler( + ClientData clientData, /* Information about data to fetch. */ + int offset, /* Return selection bytes starting at this * offset. */ - char *buffer; /* Place to store converted selection. */ - int maxBytes; /* Maximum # of bytes to store at buffer. */ + char *buffer, /* Place to store converted selection. */ + int maxBytes) /* Maximum # of bytes to store at buffer. */ { TkClipboardTarget *targetPtr = (TkClipboardTarget*) clientData; TkClipboardBuffer *cbPtr; char *srcPtr, *destPtr; - int count = 0; + size_t count = 0; int scanned = 0; size_t length, freeCount; @@ -104,7 +102,7 @@ ClipboardHandler(clientData, offset, buffer, maxBytes) srcPtr = cbPtr->buffer; length = cbPtr->length; } - return count; + return (int)count; } /* @@ -112,16 +110,15 @@ ClipboardHandler(clientData, offset, buffer, maxBytes) * * ClipboardAppHandler -- * - * This procedure acts as selection handler for retrievals of type - * TK_APPLICATION. It returns the name of the application that - * owns the clipboard. Note: we can't use the default Tk - * selection handler for this selection type, because the clipboard - * window isn't a "real" window and doesn't have the necessary - * information. + * This function acts as selection handler for retrievals of type + * TK_APPLICATION. It returns the name of the application that owns the + * clipboard. Note: we can't use the default Tk selection handler for + * this selection type, because the clipboard window isn't a "real" + * window and doesn't have the necessary information. * * Results: - * The return value is a count of the number of bytes - * actually stored at buffer. + * The return value is a count of the number of bytes actually stored at + * buffer. * * Side effects: * None. @@ -130,12 +127,12 @@ ClipboardHandler(clientData, offset, buffer, maxBytes) */ static int -ClipboardAppHandler(clientData, offset, buffer, maxBytes) - ClientData clientData; /* Pointer to TkDisplay structure. */ - int offset; /* Return selection bytes starting at this +ClipboardAppHandler( + ClientData clientData, /* Pointer to TkDisplay structure. */ + int offset, /* Return selection bytes starting at this * offset. */ - char *buffer; /* Place to store converted selection. */ - int maxBytes; /* Maximum # of bytes to store at buffer. */ + char *buffer, /* Place to store converted selection. */ + int maxBytes) /* Maximum # of bytes to store at buffer. */ { TkDisplay *dispPtr = (TkDisplay *) clientData; size_t length; @@ -151,7 +148,7 @@ ClipboardAppHandler(clientData, offset, buffer, maxBytes) length = maxBytes; } strncpy(buffer, p, length); - return length; + return (int)length; } /* @@ -159,15 +156,13 @@ ClipboardAppHandler(clientData, offset, buffer, maxBytes) * * ClipboardWindowHandler -- * - * This procedure acts as selection handler for retrievals of - * type TK_WINDOW. Since the clipboard doesn't correspond to - * any particular window, we just return ".". We can't use Tk's - * default handler for this selection type, because the clipboard - * window isn't a valid window. + * This function acts as selection handler for retrievals of type + * TK_WINDOW. Since the clipboard doesn't correspond to any particular + * window, we just return ".". We can't use Tk's default handler for this + * selection type, because the clipboard window isn't a valid window. * * Results: - * The return value is 1, the number of non-null bytes stored - * at buffer. + * The return value is 1, the number of non-null bytes stored at buffer. * * Side effects: * None. @@ -176,12 +171,12 @@ ClipboardAppHandler(clientData, offset, buffer, maxBytes) */ static int -ClipboardWindowHandler(clientData, offset, buffer, maxBytes) - ClientData clientData; /* Not used. */ - int offset; /* Return selection bytes starting at this +ClipboardWindowHandler( + ClientData clientData, /* Not used. */ + int offset, /* Return selection bytes starting at this * offset. */ - char *buffer; /* Place to store converted selection. */ - int maxBytes; /* Maximum # of bytes to store at buffer. */ + char *buffer, /* Place to store converted selection. */ + int maxBytes) /* Maximum # of bytes to store at buffer. */ { buffer[0] = '.'; buffer[1] = 0; @@ -193,9 +188,9 @@ ClipboardWindowHandler(clientData, offset, buffer, maxBytes) * * ClipboardLostSel -- * - * This procedure is invoked whenever clipboard ownership is - * claimed by another window. It just sets a flag so that we - * know the clipboard was taken away. + * This function is invoked whenever clipboard ownership is claimed by + * another window. It just sets a flag so that we know the clipboard was + * taken away. * * Results: * None. @@ -207,8 +202,8 @@ ClipboardWindowHandler(clientData, offset, buffer, maxBytes) */ static void -ClipboardLostSel(clientData) - ClientData clientData; /* Pointer to TkDisplay structure. */ +ClipboardLostSel( + ClientData clientData) /* Pointer to TkDisplay structure. */ { TkDisplay *dispPtr = (TkDisplay*) clientData; @@ -220,33 +215,31 @@ ClipboardLostSel(clientData) * * Tk_ClipboardClear -- * - * Take control of the clipboard and clear out the previous - * contents. This procedure must be invoked before any - * calls to Tk_ClipboardAppend. + * Take control of the clipboard and clear out the previous contents. + * This function must be invoked before any calls to Tk_ClipboardAppend. * * Results: - * A standard Tcl result. If an error occurs, an error message is - * left in the interp's result. + * A standard Tcl result. If an error occurs, an error message is left in + * the interp's result. * * Side effects: - * From now on, requests for the CLIPBOARD selection will be - * directed to the clipboard manager routines associated with - * clipWindow for the display of tkwin. In order to guarantee - * atomicity, no event handling should occur between - * Tk_ClipboardClear and the following Tk_ClipboardAppend - * calls. This procedure may cause a user-defined LostSel command - * to be invoked when the CLIPBOARD is claimed, so any calling - * function should be reentrant at the point Tk_ClipboardClear is + * From now on, requests for the CLIPBOARD selection will be directed to + * the clipboard manager routines associated with clipWindow for the + * display of tkwin. In order to guarantee atomicity, no event handling + * should occur between Tk_ClipboardClear and the following + * Tk_ClipboardAppend calls. This function may cause a user-defined + * LostSel command to be invoked when the CLIPBOARD is claimed, so any + * calling function should be reentrant at the point Tk_ClipboardClear is * invoked. * *---------------------------------------------------------------------- */ int -Tk_ClipboardClear(interp, tkwin) - Tcl_Interp *interp; /* Interpreter to use for error reporting. */ - Tk_Window tkwin; /* Window in application that is clearing - * clipboard; identifies application and +Tk_ClipboardClear( + Tcl_Interp *interp, /* Interpreter to use for error reporting. */ + Tk_Window tkwin) /* Window in application that is clearing + * clipboard; identifies application and * display. */ { TkWindow *winPtr = (TkWindow *) tkwin; @@ -264,8 +257,8 @@ Tk_ClipboardClear(interp, tkwin) } /* - * Discard any existing clipboard data and delete the selection - * handler(s) associated with that data. + * Discard any existing clipboard data and delete the selection handler(s) + * associated with that data. */ for (targetPtr = dispPtr->clipTargetPtr; targetPtr != NULL; @@ -301,38 +294,37 @@ Tk_ClipboardClear(interp, tkwin) * * Tk_ClipboardAppend -- * - * Append a buffer of data to the clipboard. The first buffer of - * a given type determines the format for that type. Any successive - * appends to that type must have the same format or an error will - * be returned. Tk_ClipboardClear must be called before a sequence - * of Tk_ClipboardAppend calls can be issued. In order to guarantee + * Append a buffer of data to the clipboard. The first buffer of a given + * type determines the format for that type. Any successive appends to + * that type must have the same format or an error will be returned. + * Tk_ClipboardClear must be called before a sequence of + * Tk_ClipboardAppend calls can be issued. In order to guarantee * atomicity, no event handling should occur between Tk_ClipboardClear * and the following Tk_ClipboardAppend calls. * * Results: - * A standard Tcl result. If an error is returned, an error message - * is left in the interp's result. + * A standard Tcl result. If an error is returned, an error message is + * left in the interp's result. * * Side effects: - * The specified buffer will be copied onto the end of the clipboard. - * The clipboard maintains a list of buffers which will be used to - * supply the data for a selection get request. The first time a given - * type is appended, Tk_ClipboardAppend will register a selection - * handler of the appropriate type. + * The specified buffer will be copied onto the end of the clipboard. + * The clipboard maintains a list of buffers which will be used to supply + * the data for a selection get request. The first time a given type is + * appended, Tk_ClipboardAppend will register a selection handler of the + * appropriate type. * *---------------------------------------------------------------------- */ int -Tk_ClipboardAppend(interp, tkwin, type, format, buffer) - Tcl_Interp *interp; /* Used for error reporting. */ - Tk_Window tkwin; /* Window that selects a display. */ - Atom type; /* The desired conversion type for this +Tk_ClipboardAppend( + Tcl_Interp *interp, /* Used for error reporting. */ + Tk_Window tkwin, /* Window that selects a display. */ + Atom type, /* The desired conversion type for this * clipboard item, e.g. STRING or LENGTH. */ - Atom format; /* Format in which the selection - * information should be returned to - * the requestor. */ - char* buffer; /* NULL terminated string containing the data + Atom format, /* Format in which the selection information + * should be returned to the requestor. */ + char* buffer) /* NULL terminated string containing the data * to be added to the clipboard. */ { TkWindow *winPtr = (TkWindow *) tkwin; @@ -341,8 +333,8 @@ Tk_ClipboardAppend(interp, tkwin, type, format, buffer) TkClipboardBuffer *cbPtr; /* - * If this application doesn't already own the clipboard, clear - * the clipboard. If we don't own the clipboard selection, claim it. + * If this application doesn't already own the clipboard, clear the + * clipboard. If we don't own the clipboard selection, claim it. */ if (dispPtr->clipboardAppPtr != winPtr->mainPtr) { @@ -355,14 +347,15 @@ Tk_ClipboardAppend(interp, tkwin, type, format, buffer) /* * Check to see if the specified target is already present on the - * clipboard. If it isn't, we need to create a new target; otherwise, - * we just append the new buffer to the clipboard list. + * clipboard. If it isn't, we need to create a new target; otherwise, we + * just append the new buffer to the clipboard list. */ for (targetPtr = dispPtr->clipTargetPtr; targetPtr != NULL; targetPtr = targetPtr->nextPtr) { - if (targetPtr->type == type) + if (targetPtr->type == type) { break; + } } if (targetPtr == NULL) { targetPtr = (TkClipboardTarget*) ckalloc(sizeof(TkClipboardTarget)); @@ -377,7 +370,7 @@ Tk_ClipboardAppend(interp, tkwin, type, format, buffer) Tcl_AppendResult(interp, "format \"", Tk_GetAtomName(tkwin, format), "\" does not match current format \"", Tk_GetAtomName(tkwin, targetPtr->format),"\" for ", - Tk_GetAtomName(tkwin, type), (char *) NULL); + Tk_GetAtomName(tkwin, type), NULL); return TCL_ERROR; } @@ -408,9 +401,8 @@ Tk_ClipboardAppend(interp, tkwin, type, format, buffer) * * Tk_ClipboardObjCmd -- * - * This procedure is invoked to process the "clipboard" Tcl - * command. See the user documentation for details on what - * it does. + * This function is invoked to process the "clipboard" Tcl command. See + * the user documentation for details on what it does. * * Results: * A standard Tcl result. @@ -422,12 +414,11 @@ Tk_ClipboardAppend(interp, tkwin, type, format, buffer) */ int -Tk_ClipboardObjCmd(clientData, interp, objc, objv) - ClientData clientData; /* Main window associated with - * interpreter. */ - Tcl_Interp *interp; /* Current interpreter. */ - int objc; /* Number of arguments. */ - Tcl_Obj *CONST objv[]; /* Argument strings. */ +Tk_ClipboardObjCmd( + ClientData clientData, /* Main window associated with interpreter. */ + Tcl_Interp *interp, /* Current interpreter. */ + int objc, /* Number of arguments. */ + Tcl_Obj *CONST objv[]) /* Argument strings. */ { Tk_Window tkwin = (Tk_Window) clientData; char *path = NULL; @@ -447,173 +438,173 @@ Tk_ClipboardObjCmd(clientData, interp, objc, objv) } switch ((enum options) index) { - case CLIPBOARD_APPEND: { - Atom target, format; - char *targetName = NULL; - char *formatName = NULL; - char *string; - static CONST char *appendOptionStrings[] = { - "-displayof", "-format", "-type", NULL - }; - enum appendOptions { APPEND_DISPLAYOF, APPEND_FORMAT, - APPEND_TYPE }; - int subIndex, length; - - for (i = 2; i < objc - 1; i++) { - string = Tcl_GetStringFromObj(objv[i], &length); - if (string[0] != '-') { - break; - } - - /* - * If the argument is "--", it signifies the end of arguments. - */ - if (string[1] == '-' && length == 2) { - i++; - break; - } - if (Tcl_GetIndexFromObj(interp, objv[i], appendOptionStrings, - "option", 0, &subIndex) != TCL_OK) { - return TCL_ERROR; - } - - /* - * Increment i so that it points to the value for the flag - * instead of the flag itself. - */ + case CLIPBOARD_APPEND: { + Atom target, format; + char *targetName = NULL; + char *formatName = NULL; + char *string; + static CONST char *appendOptionStrings[] = { + "-displayof", "-format", "-type", NULL + }; + enum appendOptions { APPEND_DISPLAYOF, APPEND_FORMAT, APPEND_TYPE }; + int subIndex, length; + + for (i = 2; i < objc - 1; i++) { + string = Tcl_GetStringFromObj(objv[i], &length); + if (string[0] != '-') { + break; + } + /* + * If the argument is "--", it signifies the end of arguments. + */ + if (string[1] == '-' && length == 2) { i++; - if (i >= objc) { - Tcl_AppendResult(interp, "value for \"", string, - "\" missing", (char *) NULL); - return TCL_ERROR; - } - switch ((enum appendOptions) subIndex) { - case APPEND_DISPLAYOF: - path = Tcl_GetString(objv[i]); - break; - case APPEND_FORMAT: - formatName = Tcl_GetString(objv[i]); - break; - case APPEND_TYPE: - targetName = Tcl_GetString(objv[i]); - break; - } + break; } - if (objc - i != 1) { - Tcl_WrongNumArgs(interp, 2, objv, "?options? data"); + if (Tcl_GetIndexFromObj(interp, objv[i], appendOptionStrings, + "option", 0, &subIndex) != TCL_OK) { return TCL_ERROR; } - if (path != NULL) { - tkwin = Tk_NameToWindow(interp, path, tkwin); - } - if (tkwin == NULL) { + + /* + * Increment i so that it points to the value for the flag instead + * of the flag itself. + */ + + i++; + if (i >= objc) { + Tcl_AppendResult(interp, "value for \"", string, + "\" missing", NULL); return TCL_ERROR; } - if (targetName != NULL) { - target = Tk_InternAtom(tkwin, targetName); - } else { - target = XA_STRING; - } - if (formatName != NULL) { - format = Tk_InternAtom(tkwin, formatName); - } else { - format = XA_STRING; + switch ((enum appendOptions) subIndex) { + case APPEND_DISPLAYOF: + path = Tcl_GetString(objv[i]); + break; + case APPEND_FORMAT: + formatName = Tcl_GetString(objv[i]); + break; + case APPEND_TYPE: + targetName = Tcl_GetString(objv[i]); + break; } - return Tk_ClipboardAppend(interp, tkwin, target, format, - Tcl_GetString(objv[i])); } - case CLIPBOARD_CLEAR: { - static CONST char *clearOptionStrings[] = { "-displayof", NULL }; - enum clearOptions { CLEAR_DISPLAYOF }; - int subIndex; - if (objc != 2 && objc != 4) { - Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window?"); - return TCL_ERROR; - } + if (objc - i != 1) { + Tcl_WrongNumArgs(interp, 2, objv, "?options? data"); + return TCL_ERROR; + } + if (path != NULL) { + tkwin = Tk_NameToWindow(interp, path, tkwin); + } + if (tkwin == NULL) { + return TCL_ERROR; + } + if (targetName != NULL) { + target = Tk_InternAtom(tkwin, targetName); + } else { + target = XA_STRING; + } + if (formatName != NULL) { + format = Tk_InternAtom(tkwin, formatName); + } else { + format = XA_STRING; + } + return Tk_ClipboardAppend(interp, tkwin, target, format, + Tcl_GetString(objv[i])); + } + case CLIPBOARD_CLEAR: { + static CONST char *clearOptionStrings[] = { "-displayof", NULL }; + enum clearOptions { CLEAR_DISPLAYOF }; + int subIndex; + + if (objc != 2 && objc != 4) { + Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window?"); + return TCL_ERROR; + } - if (objc == 4) { - if (Tcl_GetIndexFromObj(interp, objv[2], clearOptionStrings, - "option", 0, &subIndex) != TCL_OK) { - return TCL_ERROR; - } - if ((enum clearOptions) subIndex == CLEAR_DISPLAYOF) { - path = Tcl_GetString(objv[3]); - } - } - if (path != NULL) { - tkwin = Tk_NameToWindow(interp, path, tkwin); - } - if (tkwin == NULL) { + if (objc == 4) { + if (Tcl_GetIndexFromObj(interp, objv[2], clearOptionStrings, + "option", 0, &subIndex) != TCL_OK) { return TCL_ERROR; } - return Tk_ClipboardClear(interp, tkwin); - } - case CLIPBOARD_GET: { - Atom target; - char *targetName = NULL; - Tcl_DString selBytes; - int result; - char *string; - static CONST char *getOptionStrings[] = { - "-displayof", "-type", NULL - }; - enum getOptions { APPEND_DISPLAYOF, APPEND_TYPE }; - int subIndex; - - for (i = 2; i < objc; i++) { - string = Tcl_GetString(objv[i]); - if (string[0] != '-') { - break; - } - if (Tcl_GetIndexFromObj(interp, objv[i], getOptionStrings, - "option", 0, &subIndex) != TCL_OK) { - return TCL_ERROR; - } - i++; - if (i >= objc) { - Tcl_AppendResult(interp, "value for \"", string, - "\" missing", (char *) NULL); - return TCL_ERROR; - } - switch ((enum getOptions) subIndex) { - case APPEND_DISPLAYOF: - path = Tcl_GetString(objv[i]); - break; - case APPEND_TYPE: - targetName = Tcl_GetString(objv[i]); - break; - } + if ((enum clearOptions) subIndex == CLEAR_DISPLAYOF) { + path = Tcl_GetString(objv[3]); } - if (path != NULL) { - tkwin = Tk_NameToWindow(interp, path, tkwin); + } + if (path != NULL) { + tkwin = Tk_NameToWindow(interp, path, tkwin); + } + if (tkwin == NULL) { + return TCL_ERROR; + } + return Tk_ClipboardClear(interp, tkwin); + } + case CLIPBOARD_GET: { + Atom target; + char *targetName = NULL; + Tcl_DString selBytes; + int result; + char *string; + static CONST char *getOptionStrings[] = { + "-displayof", "-type", NULL + }; + enum getOptions { APPEND_DISPLAYOF, APPEND_TYPE }; + int subIndex; + + for (i = 2; i < objc; i++) { + string = Tcl_GetString(objv[i]); + if (string[0] != '-') { + break; } - if (tkwin == NULL) { + if (Tcl_GetIndexFromObj(interp, objv[i], getOptionStrings, + "option", 0, &subIndex) != TCL_OK) { return TCL_ERROR; } - selection = Tk_InternAtom(tkwin, "CLIPBOARD"); - - if (objc - i > 1) { - Tcl_WrongNumArgs(interp, 2, objv, "?options?"); + i++; + if (i >= objc) { + Tcl_AppendResult(interp, "value for \"", string, + "\" missing", NULL); return TCL_ERROR; - } else if (objc - i == 1) { - target = Tk_InternAtom(tkwin, Tcl_GetString(objv[i])); - } else if (targetName != NULL) { - target = Tk_InternAtom(tkwin, targetName); - } else { - target = XA_STRING; } - - Tcl_DStringInit(&selBytes); - result = Tk_GetSelection(interp, tkwin, selection, target, - ClipboardGetProc, (ClientData) &selBytes); - if (result == TCL_OK) { - Tcl_DStringResult(interp, &selBytes); - } else { - Tcl_DStringFree(&selBytes); + switch ((enum getOptions) subIndex) { + case APPEND_DISPLAYOF: + path = Tcl_GetString(objv[i]); + break; + case APPEND_TYPE: + targetName = Tcl_GetString(objv[i]); + break; } - return result; } + if (path != NULL) { + tkwin = Tk_NameToWindow(interp, path, tkwin); + } + if (tkwin == NULL) { + return TCL_ERROR; + } + selection = Tk_InternAtom(tkwin, "CLIPBOARD"); + + if (objc - i > 1) { + Tcl_WrongNumArgs(interp, 2, objv, "?options?"); + return TCL_ERROR; + } else if (objc - i == 1) { + target = Tk_InternAtom(tkwin, Tcl_GetString(objv[i])); + } else if (targetName != NULL) { + target = Tk_InternAtom(tkwin, targetName); + } else { + target = XA_STRING; + } + + Tcl_DStringInit(&selBytes); + result = Tk_GetSelection(interp, tkwin, selection, target, + ClipboardGetProc, (ClientData) &selBytes); + if (result == TCL_OK) { + Tcl_DStringResult(interp, &selBytes); + } else { + Tcl_DStringFree(&selBytes); + } + return result; + } } return TCL_OK; } @@ -623,8 +614,8 @@ Tk_ClipboardObjCmd(clientData, interp, objc, objv) * * TkClipInit -- * - * This procedure is called to initialize the window for claiming - * clipboard ownership and for receiving selection get results. This + * This function is called to initialize the window for claiming + * clipboard ownership and for receiving selection get results. This * function is called from tkSelect.c as well as tkClipboard.c. * * Results: @@ -639,17 +630,16 @@ Tk_ClipboardObjCmd(clientData, interp, objc, objv) */ int -TkClipInit(interp, dispPtr) - Tcl_Interp *interp; /* Interpreter to use for error - * reporting. */ - register TkDisplay *dispPtr;/* Display to initialize. */ +TkClipInit( + Tcl_Interp *interp, /* Interpreter to use for error reporting. */ + register TkDisplay *dispPtr)/* Display to initialize. */ { XSetWindowAttributes atts; dispPtr->clipTargetPtr = NULL; dispPtr->clipboardActive = 0; dispPtr->clipboardAppPtr = NULL; - + /* * Create the window used for clipboard ownership and selection retrieval, * and set up an event handler for it. @@ -667,17 +657,17 @@ TkClipInit(interp, dispPtr) if (dispPtr->multipleAtom == None) { /* - * Need to invoke selection initialization to make sure that - * atoms we depend on below are defined. + * Need to invoke selection initialization to make sure that atoms we + * depend on below are defined. */ TkSelInit(dispPtr->clipWindow); } /* - * Create selection handlers for types TK_APPLICATION and TK_WINDOW - * on this window. Can't use the default handlers for these types - * because this isn't a full-fledged window. + * Create selection handlers for types TK_APPLICATION and TK_WINDOW on + * this window. Can't use the default handlers for these types because + * this isn't a full-fledged window. */ Tk_CreateSelHandler(dispPtr->clipWindow, dispPtr->clipboardAtom, @@ -694,29 +684,37 @@ TkClipInit(interp, dispPtr) * * ClipboardGetProc -- * - * This procedure is invoked to process pieces of the selection - * as they arrive during "clipboard get" commands. + * This function is invoked to process pieces of the selection as they + * arrive during "clipboard get" commands. * * Results: * Always returns TCL_OK. * * Side effects: - * Bytes get appended to the dynamic string pointed to by the - * clientData argument. + * Bytes get appended to the dynamic string pointed to by the clientData + * argument. * *-------------------------------------------------------------- */ /* ARGSUSED */ static int -ClipboardGetProc(clientData, interp, portion) - ClientData clientData; /* Dynamic string holding partially - * assembled selection. */ - Tcl_Interp *interp; /* Interpreter used for error - * reporting (not used). */ - char *portion; /* New information to be appended. */ +ClipboardGetProc( + ClientData clientData, /* Dynamic string holding partially assembled + * selection. */ + Tcl_Interp *interp, /* Interpreter used for error reporting (not + * used). */ + char *portion) /* New information to be appended. */ { Tcl_DStringAppend((Tcl_DString *) clientData, portion, -1); return TCL_OK; } + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |