1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/**************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
**************************************************************************/
#include "console.h"
# include <qt_windows.h>
# include <wincon.h>
# ifndef ENABLE_INSERT_MODE
# define ENABLE_INSERT_MODE 0x0020
# endif
# ifndef ENABLE_QUICK_EDIT_MODE
# define ENABLE_QUICK_EDIT_MODE 0x0040
# endif
# ifndef ENABLE_EXTENDED_FLAGS
# define ENABLE_EXTENDED_FLAGS 0x0080
# endif
static bool isRedirected(HANDLE stdHandle)
{
if (stdHandle == NULL) // launched from GUI
return false;
DWORD fileType = GetFileType(stdHandle);
if (fileType == FILE_TYPE_UNKNOWN) {
// launched from console, but no redirection
return false;
}
// redirected into file, pipe ...
return true;
}
/**
* Redirects stdout, stderr output to console
*
* Console is a RAII class that ensures stdout, stderr output is visible
* for GUI applications on Windows.
*
* If the application is launched from the explorer, startup menu etc
* a new console window is created.
*
* If the application is launched from the console (cmd.exe), output is
* printed there.
*
* If the application is launched from the console, but stdout is redirected
* (e.g. into a file), Console does not interfere.
*/
Console::Console() :
m_oldCout(0),
m_oldCerr(0)
{
bool isCoutRedirected = isRedirected(GetStdHandle(STD_OUTPUT_HANDLE));
bool isCerrRedirected = isRedirected(GetStdHandle(STD_ERROR_HANDLE));
if (!isCoutRedirected) { // verbose output only ends up in cout
// try to use parent console. else launch & set up new console
parentConsole = AttachConsole(ATTACH_PARENT_PROCESS);
if (!parentConsole) {
AllocConsole();
HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
if (handle != INVALID_HANDLE_VALUE) {
COORD largestConsoleWindowSize = GetLargestConsoleWindowSize(handle);
largestConsoleWindowSize.X -= 3;
largestConsoleWindowSize.Y = 5000;
SetConsoleScreenBufferSize(handle, largestConsoleWindowSize);
}
handle = GetStdHandle(STD_INPUT_HANDLE);
if (handle != INVALID_HANDLE_VALUE)
SetConsoleMode(handle, ENABLE_INSERT_MODE | ENABLE_QUICK_EDIT_MODE
| ENABLE_EXTENDED_FLAGS);
# ifndef Q_CC_MINGW
HMENU systemMenu = GetSystemMenu(GetConsoleWindow(), FALSE);
if (systemMenu != NULL)
RemoveMenu(systemMenu, SC_CLOSE, MF_BYCOMMAND);
DrawMenuBar(GetConsoleWindow());
# endif
}
}
if (!isCoutRedirected) {
m_oldCout = std::cout.rdbuf();
m_newCout.open("CONOUT$");
std::cout.rdbuf(m_newCout.rdbuf());
}
if (!isCerrRedirected) {
m_oldCerr = std::cerr.rdbuf();
m_newCerr.open("CONOUT$");
std::cerr.rdbuf(m_newCerr.rdbuf());
}
}
Console::~Console()
{
if (!parentConsole) {
system("PAUSE");
} else {
// simulate enter key to switch to boot prompt
PostMessage(GetConsoleWindow(), WM_KEYDOWN, 0x0D, 0);
}
if (m_oldCerr)
std::cerr.rdbuf(m_oldCerr);
if (m_oldCout)
std::cout.rdbuf(m_oldCout);
if (m_oldCout)
FreeConsole();
}
|
