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
|
#include <BALL/VIEW/WIDGETS/HTMLView.h>
#include <BALL/VIEW/WIDGETS/HTMLPage.h>
#ifdef BALL_OS_LINUX
# include <QOpenGLFunctions>
#endif
namespace BALL
{
namespace VIEW
{
HTMLView::HTMLView(QWidget* parent)
: QWebEngineView(parent)
{
setPage(new HTMLPage(this));
setAttribute(Qt::WA_DontCreateNativeAncestors);
hide(); // hiding WebEngine widgets seems to be sufficient to prevent nouveau-related crashes
}
HTMLViewDock::HTMLViewDock(HTMLView* view, QWidget* parent, const char* title)
: DockWidget(parent, title),
skip_checks_(false),
show_error_(false),
html_view_(0)
{
checkForIncompatibleDrivers_();
setHTMLView(view);
registerWidget(this);
}
HTMLViewDock::HTMLViewDock(QWidget* parent, const char* title)
: DockWidget(parent, title),
skip_checks_(false),
show_error_(false),
html_view_(0)
{
checkForIncompatibleDrivers_();
setHTMLView(new HTMLView(this));
registerWidget(this);
}
void HTMLViewDock::setHTMLView(HTMLView* html_view)
{
if (!html_view)
{
return;
}
if (html_view != html_view_)
{
delete html_view_;
html_view_ = html_view;
}
if (!skip_checks_ && show_error_)
{
// In case of an error, replace the original widget with an error message
// but still keep it as a member (hidden!) so that it can be restored if
// the user decides to disable the driver checks.
setWidget(new HTMLViewErrorWidget(this));
return;
}
setWidget(html_view_);
}
void HTMLViewDock::resetHTMLView(bool skip_checks)
{
skip_checks_ = skip_checks;
setHTMLView(html_view_);
}
void HTMLViewDock::checkForIncompatibleDrivers_()
{
#ifdef BALL_OS_LINUX
QOpenGLFunctions glFuncs(QOpenGLContext::currentContext());
char* vendor = (char*) glFuncs.glGetString(GL_VENDOR);
// https://bugreports.qt.io/browse/QTBUG-41242
// Fixed in Qt 5.10.0
show_error_ |= vendor && QString(vendor) == "nouveau";
#endif
}
}
}
|
