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39
40#ifndef QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H
41#define QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QString>
55
56#include <vector>
57#include <memory>
58
59namespace QtInputSupport {
60
61template <typename Handler>
62class DeviceHandlerList {
63public:
64 struct Device {
65 QString deviceNode;
66 std::unique_ptr<Handler> handler;
67 };
68
69 void add(const QString &deviceNode, std::unique_ptr<Handler> handler)
70 {
71 v.push_back({deviceNode, std::move(handler)});
72 }
73
74 bool remove(const QString &deviceNode)
75 {
76 const auto deviceNodeMatches = [&] (const Device &d) { return d.deviceNode == deviceNode; };
77 const auto it = std::find_if(v.cbegin(), v.cend(), deviceNodeMatches);
78 if (it == v.cend())
79 return false;
80 v.erase(it);
81 return true;
82 }
83
84 int count() const noexcept { return static_cast<int>(v.size()); }
85
86 typename std::vector<Device>::const_iterator begin() const noexcept { return v.begin(); }
87 typename std::vector<Device>::const_iterator end() const noexcept { return v.end(); }
88
89private:
90 std::vector<Device> v;
91};
92
93} // QtInputSupport
94
95#endif // QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H
96

source code of qtbase/src/platformsupport/input/shared/devicehandlerlist_p.h