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kmessage.cpp
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1 /* This file is part of the KDE libraries
2  Copyright (C) 2006 MichaĆ«l 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 
27 class StaticMessageHandler
28 {
29 public:
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 
46 protected:
47  KMessageHandler *m_handler;
48 };
49 K_GLOBAL_STATIC(StaticMessageHandler, s_messageHandler)
50 
51 static 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 
86 void KMessage::setMessageHandler(KMessageHandler *handler)
87 {
88  // Delete old message handler.
89  s_messageHandler->setHandler(handler);
90 }
91 
92 void 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;
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
KGlobal::caption
QString caption()
Returns a text for the window caption.
Definition: kglobal.cpp:291
KMessage::Information
Information message.
Definition: kmessage.h:62
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
QString
prefix
QString prefix()
Definition: kstandarddirs_win.cpp:28
kglobal.h
KMessage::setMessageHandler
void setMessageHandler(KMessageHandler *handler)
Set the current KMessageHandler Note that this method takes ownership of the KMessageHandler.
Definition: kmessage.cpp:86
KMessage::Error
Error message.
Definition: kmessage.h:57
KMessage::Sorry
Sorry message.
Definition: kmessage.h:72
KMessage::MessageType
MessageType
Definition: kmessage.h:51
internalMessageFallback
static void internalMessageFallback(KMessage::MessageType messageType, const QString &text, const QString &caption)
Definition: kmessage.cpp:51
KMessage::Warning
Warning message.
Definition: kmessage.h:67
KMessageHandler
Abstract class for KMessage handler.
Definition: kmessage.h:113
kmessage.h
KMessage::Fatal
Fatal message.
Definition: kmessage.h:77
This file is part of the KDE documentation.
Documentation copyright © 1996-2014 The KDE developers.
Generated on Tue Oct 14 2014 22:47:08 by doxygen 1.8.7 written by Dimitri van Heesch, © 1997-2006

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