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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:47:26 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:47:26 +0000 |
commit | 96b619cc129afed52411b9fad3407037a1cb7207 (patch) | |
tree | e453a74cc9ae39fbfcb3ac55a347e880413e4a06 /exim_monitor/em_TextPop.c | |
parent | Initial commit. (diff) | |
download | exim4-96b619cc129afed52411b9fad3407037a1cb7207.tar.xz exim4-96b619cc129afed52411b9fad3407037a1cb7207.zip |
Adding upstream version 4.92.upstream/4.92upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'exim_monitor/em_TextPop.c')
-rw-r--r-- | exim_monitor/em_TextPop.c | 767 |
1 files changed, 767 insertions, 0 deletions
diff --git a/exim_monitor/em_TextPop.c b/exim_monitor/em_TextPop.c new file mode 100644 index 0000000..7e8a2eb --- /dev/null +++ b/exim_monitor/em_TextPop.c @@ -0,0 +1,767 @@ +/*********************************************************** +Copyright 1989 by the Massachusetts Institute of Technology, +Cambridge, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the names of Digital or MIT not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ + + +/**************************************************************************** +* Modified by Philip Hazel for use with Exim. The "replace" and "insert * +* file" features of the search facility have been removed. Also took out * +* the declaration of sys_errlist, as it isn't used and causes trouble on * +* some systems that declare it differently. September 1996. * +* Added the arguments into the static functions declared at the head, to * +* stop some compiler warnings. August 1999. * +* Took out the separate declarations of errno and sys_nerr at the start, * +* because they too aren't actually used, and the declaration causes trouble * +* on some systems. December 2002. * +****************************************************************************/ + + +/************************************************************ + * + * This file is broken up into three sections one dealing with + * each of the three popups created here: + * + * FileInsert, Search, and Replace. + * + * There is also a section at the end for utility functions + * used by all more than one of these dialogs. + * + * The following functions are the only non-static ones defined + * in this module. They are located at the beginning of the + * section that contains this dialog box that uses them. + * + * void _XawTextInsertFileAction(w, event, params, num_params); + * void _XawTextDoSearchAction(w, event, params, num_params); + * void _XawTextDoReplaceAction(w, event, params, num_params); + * void _XawTextInsertFile(w, event, params, num_params); + * + *************************************************************/ + +#include <X11/IntrinsicP.h> +#include <X11/StringDefs.h> +#include <X11/Shell.h> + +#include <X11/Xaw/TextP.h> +#include <X11/Xaw/AsciiText.h> +#include <X11/Xaw/Cardinals.h> +#include <X11/Xaw/Command.h> +#include <X11/Xaw/Form.h> +#include <X11/Xaw/Toggle.h> +#include <X11/Xmu/CharSet.h> +#include <stdio.h> +#include <X11/Xos.h> /* for O_RDONLY */ +#include <errno.h> + +/* extern int errno, sys_nerr; */ +/* extern char* sys_errlist[]; */ + +#define DISMISS_NAME ("cancel") +#define DISMISS_NAME_LEN 6 +#define FORM_NAME ("form") +#define LABEL_NAME ("label") +#define TEXT_NAME ("text") + +#define R_OFFSET 1 + +/* Argument types added by PH August 1999 */ + +static void CenterWidgetOnPoint(Widget, XEvent *); +static void PopdownSearch(Widget, XtPointer, XtPointer); +static void InitializeSearchWidget(struct SearchAndReplace *, + XawTextScanDirection, Boolean); +static void SetResource(Widget, char *, XtArgVal); +static void SetSearchLabels(struct SearchAndReplace *, String, String, + Boolean); +static Widget CreateDialog(Widget, String, String, + void (*)(Widget, char *, Widget)); +static Widget GetShell(Widget); +static void SetWMProtocolTranslations(Widget w); +static Boolean DoSearch(struct SearchAndReplace *); +static String GetString(Widget); + +static void AddSearchChildren(Widget, char *, Widget); + +static char radio_trans_string[] = + "<Btn1Down>,<Btn1Up>: set() notify()"; + +static char search_text_trans[] = + "~Shift<Key>Return: DoSearchAction(Popdown) \n\ + Ctrl<Key>c: PopdownSearchAction() \n\ + "; + + + +/************************************************************ + * + * This section of the file contains all the functions that + * the search dialog box uses. + * + ************************************************************/ + +/* Function Name: _XawTextDoSearchAction + * Description: Action routine that can be bound to dialog box's + * Text Widget that will search for a string in the main + * Text Widget. + * Arguments: (Standard Action Routine args) + * Returns: none. + * + * Note: + * + * If the search was successful and the argument popdown is passed to + * this action routine then the widget will automatically popdown the + * search widget. + */ + +/* ARGSUSED */ +void +_XawTextDoSearchAction(w, event, params, num_params) +Widget w; +XEvent *event; +String * params; +Cardinal * num_params; +{ + TextWidget tw = (TextWidget) XtParent(XtParent(XtParent(w))); + Boolean popdown = FALSE; + + if ( (*num_params == 1) && + ((params[0][0] == 'p') || (params[0][0] == 'P')) ) + popdown = TRUE; + + if (DoSearch(tw->text.search) && popdown) + PopdownSearch(w, (XtPointer) tw->text.search, NULL); +} + +/* Function Name: _XawTextPopdownSearchAction + * Description: Action routine that can be bound to dialog box's + * Text Widget that will popdown the search widget. + * Arguments: (Standard Action Routine args) + * Returns: none. + */ + +/* ARGSUSED */ +void +_XawTextPopdownSearchAction(w, event, params, num_params) +Widget w; +XEvent *event; +String * params; +Cardinal * num_params; +{ + TextWidget tw = (TextWidget) XtParent(XtParent(XtParent(w))); + + PopdownSearch(w, (XtPointer) tw->text.search, NULL); +} + +/* Function Name: PopdownSearch + * Description: Pops down the search widget and resets it. + * Arguments: w - *** NOT USED ***. + * closure - a pointer to the search structure. + * call_data - *** NOT USED ***. + * Returns: none + */ + +/* ARGSUSED */ +static void +PopdownSearch(w, closure, call_data) +Widget w; +XtPointer closure; +XtPointer call_data; +{ + struct SearchAndReplace * search = (struct SearchAndReplace *) closure; + + SetSearchLabels(search, "Search", "", FALSE); + XtPopdown( search->search_popup ); +} + +/* Function Name: SearchButton + * Description: Performs a search when the button is clicked. + * Arguments: w - *** NOT USED **. + * closure - a pointer to the search info. + * call_data - *** NOT USED ***. + * Returns: + */ + +/* ARGSUSED */ +static void +SearchButton(w, closure, call_data) +Widget w; +XtPointer closure; +XtPointer call_data; +{ + (void) DoSearch( (struct SearchAndReplace *) closure ); +} + +/* Function Name: _XawTextSearch + * Description: Action routine that can be bound to the text widget + * it will popup the search dialog box. + * Arguments: w - the text widget. + * event - X Event (used to get x and y location). + * params, num_params - the parameter list. + * Returns: none. + * + * NOTE: + * + * The parameter list contains one or two entries that may be the following. + * + * First Entry: The first entry is the direction to search by default. + * This argument must be specified and may have a value of + * "left" or "right". + * + * Second Entry: This entry is optional and contains the value of the default + * string to search for. + */ + +#define SEARCH_HEADER ("Text Widget - Search():") + +void +_XawTextSearch(w, event, params, num_params) +Widget w; +XEvent *event; +String * params; +Cardinal * num_params; +{ + TextWidget ctx = (TextWidget)w; + XawTextScanDirection dir; + char * ptr, buf[BUFSIZ]; + XawTextEditType edit_mode; + Arg args[1]; + +#ifdef notdef + if (ctx->text.source->Search == NULL) { + XBell(XtDisplay(w), 0); + return; + } +#endif + + if ( (*num_params < 1) || (*num_params > 2) ) { + sprintf(buf, "%s %s\n%s", SEARCH_HEADER, "This action must have only", + "one or two parameters"); + XtAppWarning(XtWidgetToApplicationContext(w), buf); + return; + } + else if (*num_params == 1) + ptr = ""; + else + ptr = params[1]; + + switch(params[0][0]) { + case 'b': /* Left. */ + case 'B': + dir = XawsdLeft; + break; + case 'f': /* Right. */ + case 'F': + dir = XawsdRight; + break; + default: + sprintf(buf, "%s %s\n%s", SEARCH_HEADER, "The first parameter must be", + "Either 'backward' or 'forward'"); + XtAppWarning(XtWidgetToApplicationContext(w), buf); + return; + } + + if (ctx->text.search== NULL) { + ctx->text.search = XtNew(struct SearchAndReplace); + ctx->text.search->search_popup = CreateDialog(w, ptr, "search", + AddSearchChildren); + XtRealizeWidget(ctx->text.search->search_popup); + SetWMProtocolTranslations(ctx->text.search->search_popup); + } + else if (*num_params > 1) { + XtVaSetValues(ctx->text.search->search_text, XtNstring, ptr, NULL); + } + + XtSetArg(args[0], XtNeditType,&edit_mode); + XtGetValues(ctx->text.source, args, ONE); + + InitializeSearchWidget(ctx->text.search, dir, (edit_mode == XawtextEdit)); + + CenterWidgetOnPoint(ctx->text.search->search_popup, event); + XtPopup(ctx->text.search->search_popup, XtGrabNone); +} + +/* Function Name: InitializeSearchWidget + * Description: This function initializes the search widget and + * is called each time the search widget is poped up. + * Arguments: search - the search widget structure. + * dir - direction to search. + * replace_active - state of the sensitivity for the + * replace button. + * Returns: none. + */ + +static void +InitializeSearchWidget(struct SearchAndReplace *search, + XawTextScanDirection dir, Boolean replace_active) +{ +replace_active = replace_active; /* PH - shuts compilers up */ + + switch (dir) { + case XawsdLeft: + SetResource(search->left_toggle, XtNstate, (XtArgVal) TRUE); + break; + case XawsdRight: + SetResource(search->right_toggle, XtNstate, (XtArgVal) TRUE); + break; + default: + break; + } +} + +/* Function Name: AddSearchChildren + * Description: Adds all children to the Search Dialog Widget. + * Arguments: form - the form widget for the search widget. + * ptr - a pointer to the initial string for the Text Widget. + * tw - the main text widget. + * Returns: none. + */ + +static void +AddSearchChildren(form, ptr, tw) +Widget form, tw; +char * ptr; +{ + Arg args[10]; + Cardinal num_args; + Widget cancel, search_button, s_label, s_text; + XtTranslations trans; + struct SearchAndReplace * search = ((TextWidget) tw)->text.search; + + num_args = 0; + XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNresizable, TRUE ); num_args++; + XtSetArg(args[num_args], XtNborderWidth, 0 ); num_args++; + search->label1 = XtCreateManagedWidget("label1", labelWidgetClass, + form, args, num_args); + + /* + * We need to add R_OFFSET to the radio_data, because the value zero (0) + * has special meaning. + */ + + num_args = 0; + XtSetArg(args[num_args], XtNlabel, "Backward"); num_args++; + XtSetArg(args[num_args], XtNfromVert, search->label1); num_args++; + XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNradioData, (caddr_t) XawsdLeft + R_OFFSET); + num_args++; + search->left_toggle = XtCreateManagedWidget("backwards", toggleWidgetClass, + form, args, num_args); + + num_args = 0; + XtSetArg(args[num_args], XtNlabel, "Forward"); num_args++; + XtSetArg(args[num_args], XtNfromVert, search->label1); num_args++; + XtSetArg(args[num_args], XtNfromHoriz, search->left_toggle); num_args++; + XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNradioGroup, search->left_toggle); num_args++; + XtSetArg(args[num_args], XtNradioData, (caddr_t) XawsdRight + R_OFFSET); + num_args++; + search->right_toggle = XtCreateManagedWidget("forwards", toggleWidgetClass, + form, args, num_args); + + { + XtTranslations radio_translations; + + radio_translations = XtParseTranslationTable(radio_trans_string); + XtOverrideTranslations(search->left_toggle, radio_translations); + XtOverrideTranslations(search->right_toggle, radio_translations); + } + + num_args = 0; + XtSetArg(args[num_args], XtNfromVert, search->left_toggle); num_args++; + XtSetArg(args[num_args], XtNlabel, "Search for: ");num_args++; + XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNborderWidth, 0 ); num_args++; + s_label = XtCreateManagedWidget("searchLabel", labelWidgetClass, + form, args, num_args); + + num_args = 0; + XtSetArg(args[num_args], XtNfromVert, search->left_toggle); num_args++; + XtSetArg(args[num_args], XtNfromHoriz, s_label); num_args++; + XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNright, XtChainRight); num_args++; + XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++; + XtSetArg(args[num_args], XtNresizable, TRUE); num_args++; + XtSetArg(args[num_args], XtNresize, XawtextResizeWidth); num_args++; + XtSetArg(args[num_args], XtNstring, ptr); num_args++; + s_text = XtCreateManagedWidget("searchText", asciiTextWidgetClass, form, + args, num_args); + search->search_text = s_text; + + num_args = 0; + XtSetArg(args[num_args], XtNlabel, "Search"); num_args++; + XtSetArg(args[num_args], XtNfromVert, s_text); num_args++; + XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; + search_button = XtCreateManagedWidget("search", commandWidgetClass, form, + args, num_args); + + num_args = 0; + XtSetArg(args[num_args], XtNlabel, "Cancel"); num_args++; + XtSetArg(args[num_args], XtNfromVert, s_text); num_args++; + XtSetArg(args[num_args], XtNfromHoriz, search_button); num_args++; + XtSetArg(args[num_args], XtNleft, XtChainLeft); num_args++; + XtSetArg(args[num_args], XtNright, XtChainLeft); num_args++; + cancel = XtCreateManagedWidget(DISMISS_NAME, commandWidgetClass, form, + args, num_args); + + XtAddCallback(search_button, XtNcallback, SearchButton, (XtPointer) search); + XtAddCallback(cancel, XtNcallback, PopdownSearch, (XtPointer) search); + +/* + * Initialize the text entry fields. + */ + + SetSearchLabels(search, "Search", "", FALSE); + XtSetKeyboardFocus(form, search->search_text); + +/* + * Bind Extra translations. + */ + + trans = XtParseTranslationTable(search_text_trans); + XtOverrideTranslations(search->search_text, trans); +} + +/* Function Name: DoSearch + * Description: Performs a search. + * Arguments: search - the search structure. + * Returns: TRUE if successful. + */ + +/* ARGSUSED */ +static Boolean +DoSearch(search) +struct SearchAndReplace * search; +{ + char msg[BUFSIZ]; + Widget tw = XtParent(search->search_popup); + XawTextPosition pos; + XawTextScanDirection dir; + XawTextBlock text; + + text.ptr = GetString(search->search_text); + text.length = strlen(text.ptr); + text.firstPos = 0; + text.format = FMT8BIT; + + dir = (XawTextScanDirection) ((long)XawToggleGetCurrent(search->left_toggle) - + R_OFFSET); + + pos = XawTextSearch( tw, dir, &text); + + if (pos == XawTextSearchError) + sprintf( msg, "Could not find string '%s'.", text.ptr); + else { + if (dir == XawsdRight) + XawTextSetInsertionPoint( tw, pos + text.length); + else + XawTextSetInsertionPoint( tw, pos); + + XawTextSetSelection( tw, pos, pos + text.length); + search->selection_changed = FALSE; /* selection is good. */ + return(TRUE); + } + + XawTextUnsetSelection(tw); + SetSearchLabels(search, msg, "", TRUE); + return(FALSE); +} + + +/* Function Name: SetSearchLabels + * Description: Sets both the search labels, and also rings the bell + * HACKED: Only one label needed now + * Arguments: search - the search structure. + * msg1, msg2 - message to put in each search label. + * bell - if TRUE then ring bell. + * Returns: none. + */ + +static void +SetSearchLabels(struct SearchAndReplace *search, String msg1, String msg2, + Boolean bell) +{ +msg2 = msg2; /* PH - shuts compilers up */ + (void) SetResource( search->label1, XtNlabel, (XtArgVal) msg1); + /* (void) SetResource( search->label2, XtNlabel, (XtArgVal) msg2); */ + if (bell) + XBell(XtDisplay(search->search_popup), 0); +} + +/************************************************************ + * + * This section of the file contains utility routines used by + * other functions in this file. + * + ************************************************************/ + + +/* Function Name: SetResource + * Description: Sets a resource in a widget + * Arguments: w - the widget. + * res_name - name of the resource. + * value - the value of the resource. + * Returns: none. + */ + +static void +SetResource(w, res_name, value) +Widget w; +char * res_name; +XtArgVal value; +{ + Arg args[1]; + + XtSetArg(args[0], res_name, value); + XtSetValues( w, args, ONE ); +} + +/* Function Name: GetString + * Description: Gets the value for the string in the popup. + * Arguments: text - the text widget whose string we will get. + * Returns: the string. + */ + +static String +GetString(text) +Widget text; +{ + String string; + Arg args[1]; + + XtSetArg( args[0], XtNstring, &string ); + XtGetValues( text, args, ONE ); + return(string); +} + +/* Function Name: CenterWidgetOnPoint. + * Description: Centers a shell widget on a point relative to + * the root window. + * Arguments: w - the shell widget. + * event - event containing the location of the point + * Returns: none. + * + * NOTE: The widget is not allowed to go off the screen. + */ + +static void +CenterWidgetOnPoint(w, event) +Widget w; +XEvent *event; +{ + Arg args[3]; + Cardinal num_args; + Dimension width, height, b_width; + Position x=0, y=0, max_x, max_y; + + if (event != NULL) { + switch (event->type) { + case ButtonPress: + case ButtonRelease: + x = event->xbutton.x_root; + y = event->xbutton.y_root; + break; + case KeyPress: + case KeyRelease: + x = event->xkey.x_root; + y = event->xkey.y_root; + break; + default: + return; + } + } + + num_args = 0; + XtSetArg(args[num_args], XtNwidth, &width); num_args++; + XtSetArg(args[num_args], XtNheight, &height); num_args++; + XtSetArg(args[num_args], XtNborderWidth, &b_width); num_args++; + XtGetValues(w, args, num_args); + + width += 2 * b_width; + height += 2 * b_width; + + x -= ( (Position) width/2 ); + if (x < 0) x = 0; + if ( x > (max_x = (Position) (XtScreen(w)->width - width)) ) x = max_x; + + y -= ( (Position) height/2 ); + if (y < 0) y = 0; + if ( y > (max_y = (Position) (XtScreen(w)->height - height)) ) y = max_y; + + num_args = 0; + XtSetArg(args[num_args], XtNx, x); num_args++; + XtSetArg(args[num_args], XtNy, y); num_args++; + XtSetValues(w, args, num_args); +} + +/* Function Name: CreateDialog + * Description: Actually creates a dialog. + * Arguments: parent - the parent of the dialog - the main text widget. + * ptr - initial_string for the dialog. + * name - name of the dialog. + * func - function to create the children of the dialog. + * Returns: the popup shell of the dialog. + * + * NOTE: + * + * The function argument is passed the following arguments. + * + * form - the from widget that is the dialog. + * ptr - the initial string for the dialog's text widget. + * parent - the parent of the dialog - the main text widget. + */ + +static Widget +CreateDialog(parent, ptr, name, func) +Widget parent; +String ptr, name; +void (*func)(); +{ + Widget popup, form; + Arg args[5]; + Cardinal num_args; + + num_args = 0; + XtSetArg(args[num_args], XtNiconName, name); num_args++; + XtSetArg(args[num_args], XtNgeometry, NULL); num_args++; + XtSetArg(args[num_args], XtNallowShellResize, TRUE); num_args++; + XtSetArg(args[num_args], XtNtransientFor, GetShell(parent)); num_args++; + popup = XtCreatePopupShell(name, transientShellWidgetClass, + parent, args, num_args); + + form = XtCreateManagedWidget(FORM_NAME, formWidgetClass, popup, + NULL, ZERO); + + (*func) (form, ptr, parent); + return(popup); +} + + /* Function Name: GetShell + * Description: Walks up the widget hierarchy to find the + * nearest shell widget. + * Arguments: w - the widget whose parent shell should be returned. + * Returns: The shell widget among the ancestors of w that is the + * fewest levels up in the widget hierarchy. + */ + +static Widget +GetShell(w) +Widget w; +{ + while ((w != NULL) && !XtIsShell(w)) + w = XtParent(w); + + return (w); +} + +/* Add proper prototype to keep IRIX 6 compiler happy. PH */ + +static Boolean InParams(String, String *, Cardinal); + +static Boolean InParams(str, p, n) + String str; + String *p; + Cardinal n; +{ + int i; + for (i=0; i < n; p++, i++) + if (! XmuCompareISOLatin1(*p, str)) return True; + return False; +} + +static char *WM_DELETE_WINDOW = "WM_DELETE_WINDOW"; + +static void WMProtocols(w, event, params, num_params) + Widget w; /* popup shell */ + XEvent *event; + String *params; + Cardinal *num_params; +{ + Atom wm_delete_window; + Atom wm_protocols; + + wm_delete_window = XInternAtom(XtDisplay(w), WM_DELETE_WINDOW, True); + wm_protocols = XInternAtom(XtDisplay(w), "WM_PROTOCOLS", True); + + /* Respond to a recognized WM protocol request iff + * event type is ClientMessage and no parameters are passed, or + * event type is ClientMessage and event data is matched to parameters, or + * event type isn't ClientMessage and parameters make a request. + */ +#define DO_DELETE_WINDOW InParams(WM_DELETE_WINDOW, params, *num_params) + + if ((event->type == ClientMessage && + event->xclient.message_type == wm_protocols && + event->xclient.data.l[0] == wm_delete_window && + (*num_params == 0 || DO_DELETE_WINDOW)) + || + (event->type != ClientMessage && DO_DELETE_WINDOW)) { + +#undef DO_DELETE_WINDOW + + Widget cancel; + char descendant[DISMISS_NAME_LEN + 2]; + sprintf(descendant, "*%s", DISMISS_NAME); + cancel = XtNameToWidget(w, descendant); + if (cancel) XtCallCallbacks(cancel, XtNcallback, (XtPointer)NULL); + } +} + +static void SetWMProtocolTranslations(w) + Widget w; /* realized popup shell */ +{ + int i; + XtAppContext app_context; + Atom wm_delete_window; + static XtTranslations compiled_table; /* initially 0 */ + static XtAppContext *app_context_list; /* initially 0 */ + static Cardinal list_size; /* initially 0 */ + + app_context = XtWidgetToApplicationContext(w); + + /* parse translation table once */ + if (! compiled_table) compiled_table = XtParseTranslationTable + ("<Message>WM_PROTOCOLS: XawWMProtocols()\n"); + + /* add actions once per application context */ + for (i=0; i < list_size && app_context_list[i] != app_context; i++) ; + if (i == list_size) { + XtActionsRec actions[1]; + actions[0].string = "XawWMProtocols"; + actions[0].proc = WMProtocols; + list_size++; + app_context_list = (XtAppContext *) XtRealloc + ((char *)app_context_list, list_size * sizeof(XtAppContext)); + XtAppAddActions(app_context, actions, 1); + app_context_list[i] = app_context; + } + + /* establish communication between the window manager and each shell */ + XtAugmentTranslations(w, compiled_table); + wm_delete_window = XInternAtom(XtDisplay(w), WM_DELETE_WINDOW, False); + (void) XSetWMProtocols(XtDisplay(w), XtWindow(w), &wm_delete_window, 1); +} |