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kmessage.cpp
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1/* This file is part of the KDE libraries
2 Copyright (C) 2006 Michaƫl Larouche <michael.larouche@kdemail.net>
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License as published by the Free Software Foundation; version 2
7 of the License.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to
16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301, USA.
18*/
19#include "kmessage.h"
20
21#include <kglobal.h>
22
23#include <QtCore/QLatin1String>
24
25#include <iostream>
26
27class StaticMessageHandler
28{
29public:
30 StaticMessageHandler() : m_handler(0) {}
31 ~StaticMessageHandler()
32 {
33 delete m_handler;
34 }
35 /* Sets the new message handler and deletes the old one */
36 void setHandler(KMessageHandler *handler)
37 {
38 delete m_handler;
39 m_handler = handler;
40 }
41 KMessageHandler *handler() const
42 {
43 return m_handler;
44 }
45
46protected:
47 KMessageHandler *m_handler;
48};
49K_GLOBAL_STATIC(StaticMessageHandler, s_messageHandler)
50
51static void internalMessageFallback(KMessage::MessageType messageType, const QString &text, const QString &caption)
52{
53 QString prefix;
54 switch(messageType)
55 {
56 case KMessage::Error:
57 prefix = QLatin1String("ERROR: ");
58 break;
59 case KMessage::Fatal:
60 prefix = QLatin1String("FATAL: ");
61 break;
62 case KMessage::Information:
63 prefix = QLatin1String("INFORMATION: ");
64 break;
65 case KMessage::Sorry:
66 prefix = QLatin1String("SORRY: ");
67 break;
68 case KMessage::Warning:
69 prefix = QLatin1String("WARNING: ");
70 break;
71 }
72
73 QString message;
74
75 if( !caption.isEmpty() )
76 message += QLatin1Char('(') + caption + QLatin1Char(')');
77
78 message += prefix + text;
79
80 // Show a message to the developer to setup a KMessageHandler
81 std::cerr << "WARNING: Please setup an KMessageHandler with KMessage::setMessageHandler to display message propertly." << std::endl;
82 // Show message to stdout
83 std::cerr << qPrintable(message) << std::endl;
84}
85
86void KMessage::setMessageHandler(KMessageHandler *handler)
87{
88 // Delete old message handler.
89 s_messageHandler->setHandler(handler);
90}
91
92void KMessage::message(KMessage::MessageType messageType, const QString &text, const QString &caption)
93{
94 // Use current message handler if available, else use stdout
95 if(s_messageHandler->handler())
96 {
97 s_messageHandler->handler()->message(messageType, text, caption);
98 }
99 else
100 {
101 internalMessageFallback(messageType, text, caption);
102 }
103}
104
105// kate: space-indent on; indent-width 4; encoding utf-8; replace-tabs on;
KMessageHandler
Abstract class for KMessage handler.
Definition: kmessage.h:114
QString
K_GLOBAL_STATIC
#define K_GLOBAL_STATIC(TYPE, NAME)
This macro makes it easy to use non-POD types as global statics.
Definition: kglobal.h:221
kglobal.h
internalMessageFallback
static void internalMessageFallback(KMessage::MessageType messageType, const QString &text, const QString &caption)
Definition: kmessage.cpp:51
kmessage.h
prefix
QString prefix()
Definition: kstandarddirs_win.cpp:28
KMessage
Display an informative message using a KMessageHandler.
Definition: kmessage.h:50
KMessage::setMessageHandler
void setMessageHandler(KMessageHandler *handler)
Set the current KMessageHandler Note that this method takes ownership of the KMessageHandler.
Definition: kmessage.cpp:86
KMessage::message
void message(KMessage::MessageType messageType, const QString &text, const QString &caption=QString())
Display a long message of a certain type.
Definition: kmessage.cpp:92
KMessage::MessageType
MessageType
Definition: kmessage.h:52
KMessage::Warning
@ Warning
Warning message.
Definition: kmessage.h:67
KMessage::Information
@ Information
Information message.
Definition: kmessage.h:62
KMessage::Sorry
@ Sorry
Sorry message.
Definition: kmessage.h:72
KMessage::Error
@ Error
Error message.
Definition: kmessage.h:57
KMessage::Fatal
@ Fatal
Fatal message.
Definition: kmessage.h:77
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