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
|
// Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
// SPDX-License-Identifier: BSD-3-Clause
#include <QtGui>
#include "qtbrowserplugin.h"
#include "qtbrowserplugin_p.h"
#include <windows.h>
#include "qtnpapi.h"
#if QT_VERSION >= 0x050000
#define QT_WA(unicode, ansi) unicode
#endif
static HHOOK hhook = 0;
static bool ownsqapp = false;
Q_GUI_EXPORT int qt_translateKeyCode(int);
LRESULT CALLBACK FilterProc( int nCode, WPARAM wParam, LPARAM lParam )
{
if (qApp)
qApp->sendPostedEvents(0, -1);
if (nCode < 0 || !(wParam & PM_REMOVE))
return CallNextHookEx(hhook, nCode, wParam, lParam);
MSG *msg = (MSG*)lParam;
bool processed = false;
// (some) support for key-sequences via QAction and QShortcut
if(msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN) {
QWidget *focusWidget = QWidget::find(msg->hwnd);
if (focusWidget) {
int key = msg->wParam;
if (!(key >= 'A' && key <= 'Z') && !(key >= '0' && key <= '9'))
key = qt_translateKeyCode(msg->wParam);
Qt::KeyboardModifiers modifiers = 0;
int modifierKey = 0;
if (GetKeyState(VK_SHIFT) < 0) {
modifierKey |= Qt::SHIFT;
modifiers |= Qt::ShiftModifier;
}
if (GetKeyState(VK_CONTROL) < 0) {
modifierKey |= Qt::CTRL;
modifiers |= Qt::ControlModifier;
}
if (GetKeyState(VK_MENU) < 0) {
modifierKey |= Qt::ALT;
modifiers |= Qt::AltModifier;
}
QKeySequence shortcutKey(modifierKey + key);
if (!shortcutKey.isEmpty()) {
QKeyEvent override(QEvent::ShortcutOverride, key, modifiers);
override.ignore();
QApplication::sendEvent(focusWidget, &override);
processed = override.isAccepted();
if (!processed) {
QList<QAction*> actions = qFindChildren<QAction*>(focusWidget->window());
for (int i = 0; i < actions.count() && !processed; ++i) {
QAction *action = actions.at(i);
if (!action->isEnabled() || action->shortcut() != shortcutKey)
continue;
QShortcutEvent event(shortcutKey, 0);
processed = QApplication::sendEvent(action, &event);
}
}
if (!processed) {
QList<QShortcut*> shortcuts = qFindChildren<QShortcut*>(focusWidget->window());
for (int i = 0; i < shortcuts.count() && !processed; ++i) {
QShortcut *shortcut = shortcuts.at(i);
if (!shortcut->isEnabled() || shortcut->key() != shortcutKey)
continue;
QShortcutEvent event(shortcutKey, shortcut->id());
processed = QApplication::sendEvent(shortcut, &event);
}
}
}
}
}
return CallNextHookEx(hhook, nCode, wParam, lParam);
}
extern "C" bool qtns_event(QtNPInstance *, NPEvent *)
{
return false;
}
extern Q_CORE_EXPORT void qWinMsgHandler(QtMsgType t, const char* str);
extern "C" void qtns_initialize(QtNPInstance*)
{
if (!qApp) {
qInstallMsgHandler(qWinMsgHandler);
ownsqapp = true;
static int argc=0;
static char **argv={ 0 };
(void)new QApplication(argc, argv);
QT_WA({
hhook = SetWindowsHookExW( WH_GETMESSAGE, FilterProc, 0, GetCurrentThreadId() );
}, {
hhook = SetWindowsHookExA( WH_GETMESSAGE, FilterProc, 0, GetCurrentThreadId() );
});
}
}
extern "C" void qtns_destroy(QtNPInstance *)
{
}
extern "C" void qtns_shutdown()
{
if (!ownsqapp)
return;
// check if qApp still runs widgets (in other DLLs)
QWidgetList widgets = qApp->allWidgets();
int count = widgets.count();
for (int w = 0; w < widgets.count(); ++w) {
// ignore all Qt generated widgets
QWidget *widget = widgets.at(w);
if (widget->windowFlags() & Qt::Desktop)
count--;
}
if (count) // qApp still used
return;
delete qApp;
ownsqapp = false;
if ( hhook )
UnhookWindowsHookEx( hhook );
hhook = 0;
}
extern "C" void qtns_embed(QtNPInstance *This)
{
Q_ASSERT(qobject_cast<QWidget*>(This->qt.object));
LONG oldLong = GetWindowLong(This->window, GWL_STYLE);
::SetWindowLong(This->window, GWL_STYLE, oldLong | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
::SetWindowLong(This->qt.widget->winId(), GWL_STYLE, WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
::SetParent(This->qt.widget->winId(), This->window);
}
extern "C" void qtns_setGeometry(QtNPInstance *This, const QRect &rect, const QRect &)
{
Q_ASSERT(qobject_cast<QWidget*>(This->qt.object));
This->qt.widget->setGeometry(QRect(0, 0, rect.width(), rect.height()));
}
/*
extern "C" void qtns_print(QtNPInstance * This, NPPrint *printInfo)
{
NPWindow* printWindow = &(printInfo->print.embedPrint.window);
void* platformPrint = printInfo->print.embedPrint.platformPrint;
// #### Nothing yet.
}
*/
|
