31 lines
946 B
C++
31 lines
946 B
C++
#pragma once
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#include <QMouseEvent>
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#include <vector>
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namespace Psc {
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template <typename Handler_Type>
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class Delegate {
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public:
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std::vector<Handler_Type> handlers;
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Delegate& operator+=(const Handler_Type& handler) {
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if (std::find(handlers.begin(), handlers.end(), handler) == handlers.end()) {
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handlers.push_back(handler);
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}
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return *this;
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}
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Delegate& operator-=(const Handler_Type& handler) {
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auto it = std::find(handlers.begin(), handlers.end(), handler);
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if (it != handlers.end()) {
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handlers.erase(it); // 移除对应的处理程序
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}
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return *this;
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}
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template <typename... Args>
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void invoke(Args&&... args) const {
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for (auto& handler : handlers) {
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handler(std::forward<Args>(args)...); // 完美转发参数
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}
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}
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};
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using Mouse_Press_Event_Handler = std::function<void(QMouseEvent*)>;
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} // namespace Psc
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