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
|
// Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
// SPDX-License-Identifier: BSD-3-Clause
#include <QtGui>
#include <QX11EmbedWidget>
#include "qtbrowserplugin.h"
#include "qtbrowserplugin_p.h"
#include "qtnpapi.h"
#include <stdlib.h>
static bool ownsqapp = false;
static QMap<QtNPInstance*, QX11EmbedWidget*> clients;
extern "C" bool qtns_event(QtNPInstance *, NPEvent *)
{
return false;
}
extern "C" void qtns_initialize(QtNPInstance* This)
{
if (!qApp) {
ownsqapp = true;
static int argc = 0;
static char **argv = {0};
// Workaround to avoid re-initilaziation of glib
char* envvar = qstrdup("QT_NO_THREADED_GLIB=1");
// Unavoidable memory leak; the variable must survive plugin unloading
::putenv(envvar);
(void)new QApplication(argc, argv);
}
if (!clients.contains(This)) {
QX11EmbedWidget* client = new QX11EmbedWidget;
QHBoxLayout* layout = new QHBoxLayout(client);
layout->setMargin(0);
clients.insert(This, client);
}
}
extern "C" void qtns_destroy(QtNPInstance* This)
{
QMap<QtNPInstance*, QX11EmbedWidget*>::iterator it = clients.find(This);
if (it == clients.end())
return;
delete it.value();
clients.erase(it);
}
extern "C" void qtns_shutdown()
{
if (clients.count() > 0) {
QMap<QtNPInstance*, QX11EmbedWidget*>::iterator it = clients.begin();
while (it != clients.end()) {
delete it.value();
++it;
}
clients.clear();
}
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;
}
extern "C" void qtns_embed(QtNPInstance *This)
{
Q_ASSERT(qobject_cast<QWidget*>(This->qt.object));
QMap<QtNPInstance*, QX11EmbedWidget*>::iterator it = clients.find(This);
if (it == clients.end())
return;
QX11EmbedWidget* client = it.value();
This->qt.widget->setParent(client);
client->layout()->addWidget(This->qt.widget);
client->embedInto(This->window);
client->show();
}
extern "C" void qtns_setGeometry(QtNPInstance *This, const QRect &rect, const QRect &)
{
Q_ASSERT(qobject_cast<QWidget*>(This->qt.object));
QMap<QtNPInstance*, QX11EmbedWidget*>::iterator it = clients.find(This);
if (it == clients.end())
return;
QX11EmbedWidget* client = it.value();
client->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.
}
*/
|
