source: trunk/third/xmh/viewfuncs.c @ 9661

/*
 * $XConsortium: viewfuncs.c,v 2.22 91/07/17 21:25:48 converse Exp $
 *
 *
 *                     COPYRIGHT 1987, 1989
 *                 DIGITAL EQUIPMENT CORPORATION
 *                     MAYNARD, MASSACHUSETTS
 *                      ALL RIGHTS RESERVED.
 *
 * THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE AND
 * SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT CORPORATION.
 * DIGITAL MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR
 * ANY PURPOSE.  IT IS SUPPLIED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
 *
 * IF THE SOFTWARE IS MODIFIED IN A MANNER CREATING DERIVATIVE COPYRIGHT
 * RIGHTS, APPROPRIATE LEGENDS MAY BE PLACED ON THE DERIVATIVE WORK IN
 * ADDITION TO THAT SET FORTH ABOVE.
 *
 * 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 name of Digital Equipment Corporation not be
 * used in advertising or publicity pertaining to distribution of the software
 * without specific, written prior permission.
 */

/* view.c -- action procedures to handle viewing of a message */

#include "xmh.h"


/*ARGSUSED*/
void DoCloseView(widget, client_data, call_data)
    Widget      widget;         /* unused */
    XtPointer   client_data;
    XtPointer   call_data;      /* unused */
{
    Scrn scrn = (Scrn) client_data;
    XtCallbackRec       confirms[2];

    confirms[0].callback = DoCloseView;
    confirms[0].closure = (XtPointer) scrn;
    confirms[1].callback = (XtCallbackProc) NULL;
    confirms[1].closure = (XtPointer) NULL;
    
    if (MsgSetScrn((Msg) NULL, scrn, confirms, (XtCallbackList) NULL) ==
        NEEDS_CONFIRMATION)
        return;
    DestroyScrn(scrn);
}
    

/*ARGSUSED*/
void XmhCloseView(w, event, params, num_params)
    Widget      w;
    XEvent      *event;
    String      *params;
    Cardinal    *num_params;
{
    Scrn scrn = ScrnFromWidget(w);
    DoCloseView(w, (XtPointer) scrn, (XtPointer) NULL);
}


/*ARGSUSED*/
void DoViewReply(w, client_data, call_data)
    Widget      w;
    XtPointer   client_data;
    XtPointer   call_data;
{
    Scrn        scrn = (Scrn) client_data;
    Msg         msg;
    Scrn        nscrn;

    if (scrn->msg == NULL) return;
    nscrn = NewCompScrn();
    ScreenSetAssocMsg(nscrn, scrn->msg);
    msg = TocMakeNewMsg(DraftsFolder);
    MsgSetTemporary(msg);
    MsgLoadReply(msg, scrn->msg);
    MsgSetScrnForComp(msg, nscrn);
    MapScrn(nscrn);
}



/*ARGSUSED*/
void XmhViewReply(w, event, params, num_params)
    Widget      w;
    XEvent      *event;
    String      *params;
    Cardinal    *num_params;
{
    Scrn scrn = ScrnFromWidget(w);
    DoViewReply(w, (XtPointer) scrn, (XtPointer) NULL);
}


/*ARGSUSED*/
void DoViewForward(w, client_data, call_data)
    Widget      w;
    XtPointer   client_data;
    XtPointer   call_data;
{
    Scrn        scrn = (Scrn) client_data;
    MsgList     mlist;

    if (scrn->msg == NULL) return;
    mlist = MakeSingleMsgList(scrn->msg);
    CreateForward(mlist);
    FreeMsgList(mlist);
}

/*ARGSUSED*/
void XmhViewForward(w, event, params, num_params)
    Widget      w;
    XEvent      *event;
    String      *params;
    Cardinal    *num_params;
{
    Scrn scrn = ScrnFromWidget(w);
    DoViewForward(w, (XtPointer) scrn, (XtPointer) NULL);
}


/*ARGSUSED*/
void DoViewUseAsComposition(w, client_data, call_data)
    Widget      w;
    XtPointer   client_data;
    XtPointer   call_data;
{
    Scrn        scrn = (Scrn) client_data;
    Msg         msg;
    Scrn        nscrn;

    if (scrn->msg == NULL) return;
    nscrn = NewCompScrn();
    if (MsgGetToc(scrn->msg) == DraftsFolder)
        msg = scrn->msg;
    else {
        msg = TocMakeNewMsg(DraftsFolder);
        MsgLoadCopy(msg, scrn->msg);
        MsgSetTemporary(msg);
    }
    MsgSetScrnForComp(msg, nscrn);
    MapScrn(nscrn);
}
    

/*ARGSUSED*/
void XmhViewUseAsComposition(w, event, params, num_params)
    Widget      w;
    XEvent      *event;
    String      *params;
    Cardinal    *num_params;
{
    Scrn        scrn = ScrnFromWidget(w);
    DoViewUseAsComposition(w, (XtPointer) scrn, (XtPointer) NULL);
}


/*ARGSUSED*/
void DoEditView(w, client_data, call_data)
    Widget      w;
    XtPointer   client_data;
    XtPointer   call_data;
{
    Scrn        scrn = (Scrn) client_data;
    Arg         args[1];
    XtTranslations editTranslations = scrn->edit_translations;

    if (scrn->msg == NULL) return;
    XtSetArg(args[0], XtNtranslations, editTranslations);
    XtSetValues(scrn->viewwidget, args, (Cardinal) 1);
    MsgSetEditable(scrn->msg);
}


/*ARGSUSED*/
void XmhEditView(w, event, params, num_params)
    Widget      w;
    XEvent      *event;
    String      *params;
    Cardinal    *num_params;
{
    Scrn        scrn = ScrnFromWidget(w);
    if (scrn->msg != NULL && ! MsgGetEditable(scrn->msg))
        DoEditView(w, (XtPointer) scrn, (XtPointer) NULL);
}


/*ARGSUSED*/
void DoSaveView(w, client_data, call_data)
    Widget      w;
    XtPointer   client_data;
    XtPointer   call_data;
{
    Scrn        scrn = (Scrn) client_data;
    Arg         args[2];

    if (scrn->msg == NULL) return;
    if (MsgSaveChanges(scrn->msg, 1)) {
        XtSetArg(args[0], XtNtranslations, scrn->read_translations);
        XtSetValues(scrn->viewwidget, args, (Cardinal) 1);
        MsgClearEditable(scrn->msg);
    }
}


/*ARGSUSED*/
void XmhSaveView(w, event, params, num_params)
    Widget      w;
    XEvent      *event;
    String      *params;
    Cardinal    *num_params;
{
    Scrn        scrn = ScrnFromWidget(w);
    if (MsgChanged(scrn->msg) || MsgGetReapable(scrn->msg))
        DoSaveView(w, (XtPointer) scrn, (XtPointer) NULL);
}


/*ARGSUSED*/
void DoPrintView(w, client_data, call_data)
    Widget      w;
    XtPointer   client_data;
    XtPointer   call_data;
{
    Scrn        scrn = (Scrn) client_data;
    char        **argv;
    char        str[200];

    if (! scrn->msg) return;
    (void) sprintf(str, "%s %s", app_resources.print_command,
                   MsgFileName(scrn->msg));
    argv = MakeArgv(3);
    argv[0] = "/bin/sh";
    argv[1] = "-c";     /* commands are read from the next argument */
    argv[2] = str;
    (void) DoCommand(argv, (char*)NULL, (char*)NULL);
    /* a "notice" popup should appear with any stderr output */
    XtFree((char*)argv);
}


/*ARGSUSED*/
void XmhPrintView(w, event, params, num_params)
    Widget      w;
    XEvent      *event;
    String      *params;
    Cardinal    *num_params;
{
    Scrn scrn = ScrnFromWidget(w);
    DoPrintView(w, (XtPointer) scrn, (XtPointer) NULL);
}


/*ARGSUSED*/
void XmhViewMarkDelete(w, event, params, num_params)
    Widget      w;
    XEvent      *event;
    String      *params;
    Cardinal    *num_params;
{
    Scrn scrn = ScrnFromWidget(w);
    if (scrn->msg == NULL) return;
    MsgSetFate(scrn->msg, Fdelete, (Toc)NULL);
}