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
|
#include "check-visible.hpp"
#if defined _WIN32
#include "timer.hpp"
#include <QMutex>
#include <windows.h>
constexpr int visible_timeout = 5000;
constexpr int invisible_timeout = 250;
static Timer timer;
static QMutex mtx;
static bool visible = true;
void set_is_visible(const QWidget& w, bool force)
{
QMutexLocker l(&mtx);
if (!force && timer.elapsed_ms() < (visible ? visible_timeout : invisible_timeout))
return;
timer.start();
HWND id = (HWND) w.winId();
const QPoint pt = w.mapToGlobal({ 0, 0 });
const QPoint pt2 = w.mapToGlobal({ w.width(), w.height() });
const int W = pt2.x(), H = pt2.y();
const QPoint points[] =
{
pt,
pt + QPoint(W - 1, 0),
pt + QPoint(0, H - 1),
pt + QPoint(W - 1, H - 1),
pt + QPoint(W / 2, H / 2),
};
for (const QPoint& pt : points)
{
visible = WindowFromPoint({ pt.x(), pt.y() }) == id;
if (visible)
break;
}
}
bool check_is_visible()
{
QMutexLocker l(&mtx);
return visible;
}
#else
void set_is_visible(const QWidget&, bool)
{
}
bool check_is_visible()
{
return true;
}
#endif
|
