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80 lines
2.9 KiB
80 lines
2.9 KiB
/* This file is part of the KDE libraries
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Copyright (C) 1999 Mattias Ettrich (ettrich@kde.org)
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Copyright (C) 1999,2000 Geert Jansen <jansen@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 as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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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 __KIPC_h_Included__
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#define __KIPC_h_Included__
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#include <tqwindowdefs.h>
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#include "tdelibs_export.h"
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/**
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* This class implements a very simple IPC mechanism for KDE. You can send
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* a message of a predefined type to either a specific application, or to all
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* KDE application on the current display. The message can carry one integer of
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* data.
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*
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* KIPC is mainly used in KDE for sending "Change Messages", i.e. a message to
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* all KDE apps that a certain setting (the font, for example) has changed.
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* For anything more complex it is recommended to use DCOP -- the Desktop
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* Communications Protocol.
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*
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* Messages with id code < 32 are called "System Messages". These are
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* directly handled by TDEApplication. Examples are: PaletteChanged and
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* StyleChanged. Messages with id code >= 32 are user messages. TDEApplication
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* emits the signal kipcMessage(id,arg) for each user message it receives.
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*
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* KIPC is implemented using X11 ClientMessage events.
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*
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* @see TDEApplication::kipcMessage()
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* @author Geert Jansen <jansen@kde.org>
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*/
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class TDECORE_EXPORT KIPC
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{
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public:
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/**
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* A identifier for messages. Messages below UserMessage are system
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* messages, messages above can be defined by the user.
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*/
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enum Message { PaletteChanged=0, FontChanged, StyleChanged,
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BackgroundChanged, SettingsChanged, IconChanged, ToolbarStyleChanged,
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ClipboardConfigChanged, /// @since 3.1
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BlockShortcuts, /// @since 3.5
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UserMessage=32 };
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/**
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* Send a message to a specific application.
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*
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* @param msg The message to send.
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* @param w The window id of a toplevel window of the target application.
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* @param data An optional integer of data.
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*/
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static void sendMessage(Message msg, WId w, int data=0);
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/**
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* Send a message to all KDE application on the current display.
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*
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* @param msg The message to send.
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* @param data An optional integer of data.
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*/
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static void sendMessageAll(Message msg, int data=0);
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};
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#endif
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