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326 lines
11 KiB
326 lines
11 KiB
/* This file is part of the KDE libraries
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Copyright (C) 2000 Charles Samuels <charles@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef _KNOTIFY_CLIENT
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#define _KNOTIFY_CLIENT
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#include <tqstring.h>
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#include "tdelibs_export.h"
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class TDEInstance;
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#undef None // X11 headers...
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/**
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* This namespace provides a method for issuing events to a KNotifyServer
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* call KNotifyClient::event("eventname"); to issue it.
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* On installation, there should be a file called
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* $TDEDIR/share/apps/appname/eventsrc which contains the events.
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*
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* The file looks like this:
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* \code
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* [!Global!]
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* IconName=Filename (e.g. kdesktop, without any extension)
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* Comment=FriendlyNameOfApp
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*
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* [eventname]
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* Name=FriendlyNameOfEvent
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* Comment=Description Of Event
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* default_sound=filetoplay.wav
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* default_logfile=logfile.txt
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* default_commandline=command
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* default_presentation=1
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* ...
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* \endcode
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* default_presentation contains these ORed events:
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* None=0, Sound=1, Messagebox=2, Logfile=4, Stderr=8, PassivePopup=16,
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* Execute=32, Taskbar=64
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*
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* KNotify will search for sound files given with a relative path first in
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* the application's sound directory (share/apps/Application Name/sounds), then in
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* the KDE global sound directory (share/sounds).
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*
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* You can also use the "nopresentation" key, with any the presentations
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* ORed. Those that are in that field will not appear in the kcontrol
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* module. This was intended for software like KWin to not allow a window-opening
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* that opens a window (e.g., allowing to disable KMessageBoxes from appearing)
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* If the user edits the eventsrc file manually, it will appear. This only
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* affects the KcmNotify.
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*
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* You can also use the following events, which are system controlled
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* and do not need to be placed in your eventsrc:
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*
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*<ul>
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* <li>cannotopenfile
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* <li>notification
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* <li>warning
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* <li>fatalerror
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* <li>catastrophe
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*</ul>
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*
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* The events can be configured in an application using KNotifyDialog, which is part of TDEIO.
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*
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* @author Charles Samuels <charles@kde.org>
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*/
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namespace KNotifyClient
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{
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struct InstancePrivate;
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class InstanceStack;
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/**
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* Makes it possible to use KNotifyClient with a TDEInstance
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* that is not the application.
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*
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* Use like this:
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* \code
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* KNotifyClient::Instance(myInstance);
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* KNotifyClient::event("MyEvent");
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* \endcode
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*
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* @short Enables KNotifyClient to use a different TDEInstance
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*/
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class TDECORE_EXPORT Instance
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{
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public:
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/**
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* Constructs a KNotifyClient::Instance to make KNotifyClient use
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* the specified TDEInstance for the event configuration.
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* @param instance the instance for the event configuration
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*/
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Instance(TDEInstance *instance);
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/**
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* Destructs the KNotifyClient::Instance and resets KNotifyClient
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* to the previously used TDEInstance.
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*/
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~Instance();
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/**
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* Checks whether the system bell should be used.
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* @returns true if this instance should use the System bell instead
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* of KNotify.
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*/
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bool useSystemBell() const;
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/**
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* Returns the currently active TDEInstance.
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* @return the active TDEInstance
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*/
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static TDEInstance *current();
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/**
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* Returns the current KNotifyClient::Instance (not the TDEInstance).
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* @return the active Instance
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*/
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static Instance *currentInstance();
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private:
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static InstanceStack *instances();
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InstancePrivate *d;
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static InstanceStack *s_instances;
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};
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/**
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* Describes the notification method.
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*/
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enum {
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Default = -1,
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None = 0,
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Sound = 1,
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Messagebox = 2,
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Logfile = 4,
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Stderr = 8,
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PassivePopup = 16, ///< @since 3.1
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Execute = 32, ///< @since 3.1
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Taskbar = 64 ///< @since 3.2
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};
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/**
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* Describes the level of the error.
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*/
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enum {
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Notification=1,
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Warning=2,
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Error=4,
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Catastrophe=8
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};
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/**
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* default events you can use
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*/
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enum StandardEvent {
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cannotOpenFile,
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notification,
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warning,
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fatalError,
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catastrophe
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};
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/**
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* This starts the KNotify Daemon, if it's not already started.
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* This will be useful for games that use sound effects. Run this
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* at the start of the program, and there won't be a pause when it is
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* first triggered.
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* @return true if daemon is running (always true at the moment)
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**/
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TDECORE_EXPORT bool startDaemon();
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//#ifndef KDE_NO_COMPAT
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/**
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* @deprecated
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* @param message The name of the event
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* @param text The text to put in a dialog box. This won't be shown if
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* the user connected the event to sound, only. Can be TQString::null.
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* @return a value > 0, unique for this event if successful, 0 otherwise
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*/
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TDECORE_EXPORT int event(const TQString &message, const TQString &text=TQString::null) KDE_DEPRECATED;
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/**
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* @deprecated
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* Allows to easily emit standard events.
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* @param event The event you want to raise.
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* @param text The text explaining the event you raise. Can be TQString::null.
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* @return a value > 0, unique for this event if successful, 0 otherwise
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*/
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TDECORE_EXPORT int event( StandardEvent event, const TQString& text=TQString::null ) KDE_DEPRECATED;
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/**
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* @deprecated
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* Will fire an event that's not registered.
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* @param text The error message text, if applicable
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* @param present The presentation method(s) of the event
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* @param level The error message level, defaulting to "Default"
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* @param sound The sound file to play if selected with @p present
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* @param file The log file to append the message to if selected with @p present
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* @return a value > 0, unique for this event if successful, 0 otherwise
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*/
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TDECORE_EXPORT int userEvent(const TQString &text=TQString::null, int present=Default, int level=Default,
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const TQString &sound=TQString::null, const TQString &file=TQString::null) KDE_DEPRECATED;
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//#endif
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/**
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* This should be the most used method in here.
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* Pass the origin-widget's winId() here so that a PassivePopup can be
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* placed appropriately.
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*
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* Call it by KNotifyClient::event(widget->winId(), "EventName");
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* It will use TDEApplication::kApplication->dcopClient() to communicate to
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* the server
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* @param winId The winId() of the widget where the event originates
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* @param message The name of the event
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* @param text The text to put in a dialog box. This won't be shown if
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* the user connected the event to sound, only. Can be TQString::null.
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* @return a value > 0, unique for this event if successful, 0 otherwise
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* @since 3.1.1
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*/
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// KDE4: use WId instead of int
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TDECORE_EXPORT int event( int winId, const TQString& message,
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const TQString& text = TQString::null );
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/**
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* You should
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* pass the origin-widget's winId() here so that a PassivePopup can be
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* placed appropriately.
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* @param winId The winId() of the widget where the event originates
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* @param event The event you want to raise
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* @param text The text to put in a dialog box. This won't be shown if
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* the user connected the event to sound, only. Can be TQString::null.
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* @return a value > 0, unique for this event if successful, 0 otherwise
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* @since 3.1.1
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*/
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// KDE4: use WId instead of int
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TDECORE_EXPORT int event( int winId, StandardEvent event,
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const TQString& text = TQString::null );
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/**
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* Will fire an event that's not registered.
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* You should
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* pass the origin-widget's winId() here so that a PassivePopup can be
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* placed appropriately.
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* @param winId The winId() of the originating widget
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* @param text The error message text, if applicable
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* @param present The presentation method(s) of the event
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* @param level The error message level, defaulting to "Default"
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* @param sound The sound file to play if selected with @p present
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* @param file The log file to append the message to if selected with @p present
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* @return a value > 0, unique for this event if successful, 0 otherwise
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* @since 3.1.1
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*/
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// KDE4: use WId instead of int
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TDECORE_EXPORT int userEvent(int winId, const TQString &text=TQString::null, int present=Default, int level=Default,
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const TQString &sound=TQString::null, const TQString &file=TQString::null);
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/**
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* This is a simple substitution for TQApplication::beep().
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* It simply calls
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* \code
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* KNotifyClient::event( KNotifyClient::notification, reason );
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* \endcode
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* @param reason the reason, can be TQString::null.
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*/
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TDECORE_EXPORT void beep(const TQString& reason=TQString::null);
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/**
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* Gets the presentation associated with a certain event name
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* Remeber that they may be ORed:
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* \code
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* if (present & KNotifyClient::Sound) { [Yes, sound is a default] }
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* \endcode
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* @param eventname the event name to check
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* @return the presentation methods
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*/
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TDECORE_EXPORT int getPresentation(const TQString &eventname);
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/**
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* Gets the default file associated with a certain event name
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* The control panel module will list all the event names
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* This has the potential for being slow.
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* @param eventname the name of the event
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* @param present the presentation method
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* @return the associated file. Can be TQString::null if not found.
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*/
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TDECORE_EXPORT TQString getFile(const TQString &eventname, int present);
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/**
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* Gets the default presentation for the event of this program.
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* Remember that the Presentation may be ORed. Try this:
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* \code
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* if (present & KNotifyClient::Sound) { [Yes, sound is a default] }
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* \endcode
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* @return the presentation methods
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*/
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TDECORE_EXPORT int getDefaultPresentation(const TQString &eventname);
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/**
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* Gets the default File for the event of this program.
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* It gets it in relation to present.
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* Some events don't apply to this function ("Message Box")
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* Some do (Sound)
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* @param eventname the name of the event
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* @param present the presentation method
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* @return the default file. Can be TQString::null if not found.
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*/
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TDECORE_EXPORT TQString getDefaultFile(const TQString &eventname, int present);
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/**
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* Shortcut to KNotifyClient::Instance::current() :)
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* @returns the current TDEInstance.
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*/
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TDECORE_EXPORT TDEInstance * instance();
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}
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#endif
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