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/*
* tkUnixSysNotify.c implements a "sysnotify" Tcl command which
permits one to post system notifications based on the libnotify API.
*
* Copyright (c) 2020 Kevin Walzer/WordTech Communications LLC.
*
* 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 "tkUnixInt.h"
#ifdef HAVE_LIBNOTIFY
#include <libnotify/notify.h>
/*
* Forward declarations for procedures defined in this file.
*/
static void SysNotifyDeleteCmd (void *);
static int SysNotifyCmd(void *, Tcl_Interp *, int, Tcl_Obj * const*);
int SysNotify_Init(Tcl_Interp *);
/*
*----------------------------------------------------------------------
*
* SysNotifyDeleteCmd --
*
* Delete notification and clean up.
*
* Results:
* Window destroyed.
*
* Side effects:
* None.
*
*-------------------------------z---------------------------------------
*/
static void SysNotifyDeleteCmd (
TCL_UNUSED(void *))
{
notify_uninit();
}
/*
*----------------------------------------------------------------------
*
* SysNotifyCreateCmd --
*
* Create tray command and (unreal) window.
*
* Results:
* Icon tray and hidden window created.
*
* Side effects:
* None.
*
*-------------------------------z---------------------------------------
*/
static int SysNotifyCmd(
TCL_UNUSED(void *),
Tcl_Interp *interp,
int objc,
Tcl_Obj *const *objv)
{
const char *title;
const char *message;
NotifyNotification *notif;
if (objc < 4) {
Tcl_WrongNumArgs(interp, 1, objv, "title message image");
return TCL_ERROR;
}
title = Tcl_GetString(objv[1]);
message = Tcl_GetString(objv[2]);
Tk_PhotoHandle tk_image;
int width, height;
Tk_PhotoImageBlock imgData;
tk_image = Tk_FindPhoto(interp, Tcl_GetString(objv[3]));
Tk_PhotoGetSize(tk_image, &width, &height);
Tk_PhotoGetImage(tk_image, &imgData);
GdkPixbuf * notifyimage = gdk_pixbuf_new_from_bytes(imgData, GdkPixbuf.Colorspace.RGB, True, 8, width, height, NULL);
notif = notify_notification_new(title, message, notifyimage);
notify_notification_show(notif, NULL);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* SysNotify_Init --
*
* Initialize the command.
*
* Results:
* Command initialized.
*
* Side effects:
* None.
*
*-------------------------------z---------------------------------------
*/
int
SysNotify_Init(
Tcl_Interp *interp)
{
notify_init("Wish");
Tcl_CreateObjCommand(interp, "_sysnotify", SysNotifyCmd, interp,
SysNotifyDeleteCmd);
return TCL_OK;
}
#endif /* HAVE_LIBNOTIFY */
/*
* Local Variables:
* mode: objc
* c-basic-offset: 4
* fill-column: 79
* coding: utf-8
* End:
*/
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