edelib 2.0.0

edelib/XSettingsClient.h

00001 /*
00002  * $Id: XSettingsClient.h 2839 2009-09-28 11:36:20Z karijes $
00003  *
00004  * Client part of XSETTINGS protocol
00005  * Based on implementation from Owen Tylor, copyright (c) 2001 Red Hat, inc.
00006  * Copyright (c) 2005-2007 edelib authors
00007  *
00008  * This library is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU Lesser General Public
00010  * License as published by the Free Software Foundation; either
00011  * version 2 of the License, or (at your option) any later version.
00012  *
00013  * This library is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00016  * Lesser General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU Lesser General Public License
00019  * along with this library. If not, see <http://www.gnu.org/licenses/>.
00020  */
00021 
00022 #ifndef __EDELIB_XSETTINGSCLIENT_H__
00023 #define __EDELIB_XSETTINGSCLIENT_H__
00024 
00025 #include "XSettingsCommon.h"
00026 
00027 EDELIB_NS_BEGIN
00028 
00033 enum XSettingsAction {
00034         XSETTINGS_ACTION_NEW = 0,   
00035         XSETTINGS_ACTION_CHANGED,   
00036         XSETTINGS_ACTION_DELETED    
00037 };
00038 
00039 #ifndef SKIP_DOCS
00040 typedef void (*XSettingsCallback)(const char* name, XSettingsAction action, XSettingsSetting* setting, void* data);
00041 #endif
00042 
00109 class EDELIB_API XSettingsClient {
00110 private:
00111         XSettingsData* client_data;
00112         XSettingsCallback settings_cb;
00113         void* settings_cb_data;
00114 
00115         void check_manager_window(void);
00116         void read_settings(void);
00117 
00118         E_DISABLE_CLASS_COPY(XSettingsClient)
00119 public:
00123         XSettingsClient();
00124 
00128         ~XSettingsClient();
00129 
00138         bool init(Display* dpy, int screen, XSettingsCallback cb = 0, void* data = 0);
00139 
00144         void clear(void);
00145 
00152         static bool manager_running(Display* dpy, int screen);
00153 
00159         void callback(XSettingsCallback cb, void* data = 0);
00160 
00164         int process_xevent(const XEvent* xev);
00165 
00171         void set(const char* name, int val);
00172 
00178         void set(const char* name, const char* val);
00179 
00188         void set(const char* name, unsigned short red, unsigned short green, unsigned short blue, unsigned short alpha);
00189 
00193         void manager_notify(void);
00194 };
00195 
00196 EDELIB_NS_END
00197 #endif