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// Copyright (C) 2013 Samuel Gaist <samuel.gaist@edeltech.ch>
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qwindowsguieventdispatcher_p.h"
#include <qpa/qwindowsysteminterface.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>
QT_BEGIN_NAMESPACE
/*!
\class QWindowsGuiEventDispatcher
\brief Event dispatcher for Windows
Maintains a global stack storing the current event dispatcher and
its processing flags for access from the Windows procedure
qWindowsWndProc. Handling the QPA gui events should be done
from within the qWindowsWndProc to ensure correct processing of messages.
\internal
*/
QWindowsGuiEventDispatcher::QWindowsGuiEventDispatcher(QObject *parent) :
QEventDispatcherWin32(parent)
{
setObjectName(QStringLiteral("QWindowsGuiEventDispatcher"));
}
bool QWindowsGuiEventDispatcher::processEvents(QEventLoop::ProcessEventsFlags flags)
{
const QEventLoop::ProcessEventsFlags oldFlags = m_flags;
m_flags = flags;
const bool rc = QEventDispatcherWin32::processEvents(flags);
m_flags = oldFlags;
return rc;
}
void QWindowsGuiEventDispatcher::sendPostedEvents()
{
QEventDispatcherWin32::sendPostedEvents();
QWindowSystemInterface::sendWindowSystemEvents(m_flags);
}
// Helpers for printing debug output for WM_* messages.
struct MessageDebugEntry
{
UINT message;
const char *description;
bool interesting;
};
static const MessageDebugEntry
messageDebugEntries[] = {
{WM_CREATE, "WM_CREATE", true},
{WM_PAINT, "WM_PAINT", true},
{WM_CLOSE, "WM_CLOSE", true},
{WM_DESTROY, "WM_DESTROY", true},
{WM_MOVE, "WM_MOVE", true},
{WM_SIZE, "WM_SIZE", true},
{WM_GETICON, "WM_GETICON", false},
{WM_KEYDOWN, "WM_KEYDOWN", true},
{WM_SYSKEYDOWN, "WM_SYSKEYDOWN", true},
{WM_SYSCOMMAND, "WM_SYSCOMMAND", true},
{WM_KEYUP, "WM_KEYUP", true},
{WM_SYSKEYUP, "WM_SYSKEYUP", true},
#if defined(WM_APPCOMMAND)
{WM_APPCOMMAND, "WM_APPCOMMAND", true},
#endif
{WM_IME_CHAR, "WM_IMECHAR", true},
{WM_IME_KEYDOWN, "WM_IMECHAR", true},
{WM_CANCELMODE, "WM_CANCELMODE", true},
{WM_CHAR, "WM_CHAR", true},
{WM_DEADCHAR, "WM_DEADCHAR", true},
{WM_ACTIVATE, "WM_ACTIVATE", true},
{WM_SETFOCUS, "WM_SETFOCUS", true},
{WM_KILLFOCUS, "WM_KILLFOCUS", true},
{WM_ENABLE, "WM_ENABLE", true},
{WM_SHOWWINDOW, "WM_SHOWWINDOW", true},
{WM_WINDOWPOSCHANGED, "WM_WINDOWPOSCHANGED", true},
{WM_SETCURSOR, "WM_SETCURSOR", false},
{WM_GETFONT, "WM_GETFONT", true},
{WM_LBUTTONDOWN, "WM_LBUTTONDOWN", true},
{WM_LBUTTONUP, "WM_LBUTTONUP", true},
{WM_LBUTTONDBLCLK, "WM_LBUTTONDBLCLK", true},
{WM_RBUTTONDOWN, "WM_RBUTTONDOWN", true},
{WM_RBUTTONUP, "WM_RBUTTONUP", true},
{WM_RBUTTONDBLCLK, "WM_RBUTTONDBLCLK", true},
{WM_MBUTTONDOWN, "WM_MBUTTONDOWN", true},
{WM_MBUTTONUP, "WM_MBUTTONUP", true},
{WM_MBUTTONDBLCLK, "WM_MBUTTONDBLCLK", true},
{WM_MOUSEWHEEL, "WM_MOUSEWHEEL", true},
{WM_XBUTTONDOWN, "WM_XBUTTONDOWN", true},
{WM_XBUTTONUP, "WM_XBUTTONUP", true},
{WM_XBUTTONDBLCLK, "WM_XBUTTONDBLCLK", true},
{WM_MOUSEHWHEEL, "WM_MOUSEHWHEEL", true},
{WM_GETOBJECT, "WM_GETOBJECT", true},
{WM_IME_SETCONTEXT, "WM_IME_SETCONTEXT", true},
{WM_INPUTLANGCHANGE, "WM_INPUTLANGCHANGE", true},
{WM_IME_NOTIFY, "WM_IME_NOTIFY", true},
#if defined(WM_DWMNCRENDERINGCHANGED)
{WM_DWMNCRENDERINGCHANGED, "WM_DWMNCRENDERINGCHANGED", true},
#endif
{WM_IME_SETCONTEXT, "WM_IME_SETCONTEXT", true},
{WM_IME_NOTIFY, "WM_IME_NOTIFY", true},
{WM_RENDERFORMAT, "WM_RENDERFORMAT", true},
{WM_RENDERALLFORMATS, "WM_RENDERALLFORMATS", true},
{WM_DESTROYCLIPBOARD, "WM_DESTROYCLIPBOARD", true},
{WM_CAPTURECHANGED, "WM_CAPTURECHANGED", true},
{WM_IME_STARTCOMPOSITION, "WM_IME_STARTCOMPOSITION", true},
{WM_IME_COMPOSITION, "WM_IME_COMPOSITION", true},
{WM_IME_ENDCOMPOSITION, "WM_IME_ENDCOMPOSITION", true},
{WM_IME_NOTIFY, "WM_IME_NOTIFY", true},
{WM_IME_REQUEST, "WM_IME_REQUEST", true},
#if !defined(QT_NO_SESSIONMANAGER)
{WM_QUERYENDSESSION, "WM_QUERYENDSESSION", true},
{WM_ENDSESSION, "WM_ENDSESSION", true},
#endif
{WM_MOUSEACTIVATE,"WM_MOUSEACTIVATE", true},
{WM_CHILDACTIVATE, "WM_CHILDACTIVATE", true},
{WM_PARENTNOTIFY, "WM_PARENTNOTIFY", true},
{WM_ENTERIDLE, "WM_ENTERIDLE", false},
{WM_GETMINMAXINFO, "WM_GETMINMAXINFO", true},
{WM_WINDOWPOSCHANGING, "WM_WINDOWPOSCHANGING", true},
{WM_NCCREATE, "WM_NCCREATE", true},
{WM_NCDESTROY, "WM_NCDESTROY", true},
{WM_NCCALCSIZE, "WM_NCCALCSIZE", true},
{WM_NCACTIVATE, "WM_NCACTIVATE", true},
{WM_NCMOUSEMOVE, "WM_NCMOUSEMOVE", true},
{WM_NCMOUSELEAVE, "WM_NCMOUSELEAVE", true},
{WM_NCLBUTTONDOWN, "WM_NCLBUTTONDOWN", true},
{WM_NCLBUTTONUP, "WM_NCLBUTTONUP", true},
{WM_ACTIVATEAPP, "WM_ACTIVATEAPP", true},
{WM_NCPAINT, "WM_NCPAINT", true},
{WM_ERASEBKGND, "WM_ERASEBKGND", true},
{WM_MOUSEMOVE, "WM_MOUSEMOVE", true},
{WM_MOUSELEAVE, "WM_MOUSELEAVE", true},
{WM_NCHITTEST, "WM_NCHITTEST", false},
#ifdef WM_TOUCH
{WM_TOUCH, "WM_TOUCH", true},
#endif
{WM_CHANGECBCHAIN, "WM_CHANGECBCHAIN", true},
{WM_DISPLAYCHANGE, "WM_DISPLAYCHANGE", true},
{WM_DRAWCLIPBOARD, "WM_DRAWCLIPBOARD", true},
{WM_THEMECHANGED, "WM_THEMECHANGED", true},
{0x90, "WM_UAHDESTROYWINDOW", true},
{0x272, "WM_UNREGISTER_WINDOW_SERVICES", true},
#ifdef WM_POINTERUPDATE
{WM_POINTERDEVICECHANGE, "WM_POINTERDEVICECHANGE", true},
{WM_POINTERDEVICEINRANGE, "WM_POINTERDEVICEINRANGE", true},
{WM_POINTERDEVICEOUTOFRANGE, "WM_POINTERDEVICEOUTOFRANGE", true},
{WM_NCPOINTERUPDATE, "WM_NCPOINTERUPDATE", true},
{WM_NCPOINTERDOWN, "WM_NCPOINTERDOWN", true},
{WM_NCPOINTERUP, "WM_NCPOINTERUP", true},
{WM_POINTERUPDATE, "WM_POINTERUPDATE", true},
{WM_POINTERDOWN, "WM_POINTERDOWN", true},
{WM_POINTERUP, "WM_POINTERUP", true},
{WM_POINTERENTER, "WM_POINTERENTER", true},
{WM_POINTERLEAVE, "WM_POINTERLEAVE", true},
{WM_POINTERACTIVATE, "WM_POINTERACTIVATE", true},
{WM_POINTERCAPTURECHANGED, "WM_POINTERCAPTURECHANGED", true},
{WM_TOUCHHITTESTING, "WM_TOUCHHITTESTING", true},
{WM_POINTERWHEEL, "WM_POINTERWHEEL", true},
{WM_POINTERHWHEEL, "WM_POINTERHWHEEL", true},
#endif // WM_POINTERUPDATE
#ifdef DM_POINTERHITTEST
{DM_POINTERHITTEST, "DM_POINTERHITTEST", true},
#endif // DM_POINTERHITTEST
#ifdef WM_POINTERROUTEDTO
{WM_POINTERROUTEDTO, "WM_POINTERROUTEDTO", true},
{WM_POINTERROUTEDAWAY, "WM_POINTERROUTEDAWAY", true},
{WM_POINTERROUTEDRELEASED, "WM_POINTERROUTEDRELEASED", true},
#endif // WM_POINTERROUTEDTO
#ifdef WM_GETDPISCALEDSIZE
{WM_GETDPISCALEDSIZE, "WM_GETDPISCALEDSIZE", true},
#endif
#ifdef WM_DPICHANGED
{WM_DPICHANGED, "WM_DPICHANGED", true},
#endif
};
static inline const MessageDebugEntry *messageDebugEntry(UINT msg)
{
for (size_t i = 0; i < sizeof(messageDebugEntries)/sizeof(MessageDebugEntry); i++)
if (messageDebugEntries[i].message == msg)
return messageDebugEntries + i;
return 0;
}
const char *QWindowsGuiEventDispatcher::windowsMessageName(UINT msg)
{
if (const MessageDebugEntry *e = messageDebugEntry(msg))
return e->description;
return "Unknown";
}
QT_END_NAMESPACE
#include "moc_qwindowsguieventdispatcher_p.cpp"
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