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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSCONTEXT_H
#define QWINDOWSCONTEXT_H
#include "qtwindowsglobal.h"
#include "qtwindows_additional.h"
#include <QtCore/QScopedPointer>
#include <QtCore/QSharedPointer>
struct IBindCtx;
QT_BEGIN_NAMESPACE
class QWindow;
class QPlatformScreen;
class QWindowsScreenManager;
class QWindowsWindow;
class QWindowsMimeConverter;
struct QWindowCreationContext;
struct QWindowsContextPrivate;
class QPoint;
class QKeyEvent;
#ifndef Q_OS_WINCE
struct QWindowsUser32DLL
{
QWindowsUser32DLL();
inline void init();
inline bool initTouch();
typedef BOOL (WINAPI *RegisterTouchWindow)(HWND, ULONG);
typedef BOOL (WINAPI *GetTouchInputInfo)(HANDLE, UINT, PVOID, int);
typedef BOOL (WINAPI *CloseTouchInputHandle)(HANDLE);
typedef BOOL (WINAPI *SetLayeredWindowAttributes)(HWND, COLORREF, BYTE, DWORD);
typedef BOOL (WINAPI *UpdateLayeredWindow)(HWND, HDC , const POINT *,
const SIZE *, HDC, const POINT *, COLORREF,
const BLENDFUNCTION *, DWORD);
typedef BOOL (WINAPI *UpdateLayeredWindowIndirect)(HWND, const UPDATELAYEREDWINDOWINFO *);
typedef BOOL (WINAPI *IsHungAppWindow)(HWND);
// Functions missing in Q_CC_GNU stub libraries.
SetLayeredWindowAttributes setLayeredWindowAttributes;
UpdateLayeredWindow updateLayeredWindow;
// Functions missing in older versions of Windows
UpdateLayeredWindowIndirect updateLayeredWindowIndirect;
IsHungAppWindow isHungAppWindow;
// Touch functions from Windows 7 onwards (also for use with Q_CC_MSVC).
RegisterTouchWindow registerTouchWindow;
GetTouchInputInfo getTouchInputInfo;
CloseTouchInputHandle closeTouchInputHandle;
};
struct QWindowsShell32DLL
{
QWindowsShell32DLL();
inline void init();
typedef HRESULT (WINAPI *SHCreateItemFromParsingName)(PCWSTR, IBindCtx *, const GUID&, void **);
SHCreateItemFromParsingName sHCreateItemFromParsingName;
};
#endif // Q_OS_WINCE
class QWindowsContext
{
Q_DISABLE_COPY(QWindowsContext)
public:
enum SystemInfoFlags
{
SI_RTL_Extensions = 0x1,
SI_SupportsTouch = 0x2
};
// Verbose flag set by environment variable QT_LIGHTHOUSE_WINDOWS_VERBOSE
static int verboseIntegration;
static int verboseWindows;
static int verboseBackingStore;
static int verboseEvents;
static int verboseFonts;
static int verboseGL;
static int verboseOLE;
static int verboseInputMethods;
static int verboseDialogs;
static int verboseTheming;
explicit QWindowsContext();
~QWindowsContext();
int defaultDPI() const;
QString registerWindowClass(const QWindow *w, bool isGL);
QString registerWindowClass(QString cname, WNDPROC proc,
unsigned style = 0, HBRUSH brush = 0,
bool icon = false);
HWND createDummyWindow(const QString &classNameIn,
const wchar_t *windowName,
WNDPROC wndProc = 0, DWORD style = WS_OVERLAPPED);
HDC displayContext() const;
int screenDepth() const;
static QWindowsContext *instance();
static QString windowsErrorMessage(unsigned long errorCode);
void addWindow(HWND, QWindowsWindow *w);
void removeWindow(HWND);
QWindowsWindow *findClosestPlatformWindow(HWND) const;
QWindowsWindow *findPlatformWindow(HWND) const;
QWindow *findWindow(HWND) const;
QWindowsWindow *findPlatformWindowAt(HWND parent, const QPoint &screenPoint,
unsigned cwex_flags) const;
QWindow *windowUnderMouse() const;
inline bool windowsProc(HWND hwnd, UINT message,
QtWindows::WindowsEventType et,
WPARAM wParam, LPARAM lParam, LRESULT *result);
QWindow *keyGrabber() const;
void setKeyGrabber(QWindow *hwnd);
void setWindowCreationContext(const QSharedPointer<QWindowCreationContext> &ctx);
// Returns a combination of SystemInfoFlags
unsigned systemInfo() const;
bool useRTLExtensions() const;
QList<int> possibleKeys(const QKeyEvent *e) const;
QWindowsMimeConverter &mimeConverter() const;
QWindowsScreenManager &screenManager();
#ifndef Q_OS_WINCE
static QWindowsUser32DLL user32dll;
static QWindowsShell32DLL shell32dll;
#endif
static QByteArray comErrorString(HRESULT hr);
private:
void handleFocusEvent(QtWindows::WindowsEventType et, QWindowsWindow *w);
void unregisterWindowClasses();
QScopedPointer<QWindowsContextPrivate> d;
static QWindowsContext *m_instance;
};
extern "C" LRESULT QT_WIN_CALLBACK qWindowsWndProc(HWND, UINT, WPARAM, LPARAM);
QT_END_NAMESPACE
#endif // QWINDOWSCONTEXT_H
|
