| SDL_WINDOWEVENT_SHOWN |
窗口已经显示 |
| SDL_WINDOWEVENT_HIDDEN |
窗口已被隐藏 |
| SDL_WINDOWEVENT_EXPOSED |
窗口已暴露，应重新绘制 |
| SDL_WINDOWEVENT_MOVED |
窗口已移至data1，data2 |
| SDL_WINDOWEVENT_RESIZED |
窗口已调整为data1xdata2；此事件之前总是SDL_WINDOWEVENT_SIZE_CHANGED |
| SDL_WINDOWEVENT_SIZE_CHANGED |
窗口大小已更改，这是因为调用了API或通过系统或用户更改了窗口大小；如果外部事件（例如，用户或窗口管理器）更改了大小，则此事件后跟SDL_WINDOWEVENT_RESIZED |
| SDL_WINDOWEVENT_MINIMIZED |
窗口已最小化 |
| SDL_WINDOWEVENT_MAXIMIZED |
窗口已最大化 |
| SDL_WINDOWEVENT_RESTORED |
窗口已恢复到正常大小和位置 |
| SDL_WINDOWEVENT_ENTER |
窗口已获得鼠标焦点 |
| SDL_WINDOWEVENT_LEAVE |
窗口失去了鼠标焦点 |
| SDL_WINDOWEVENT_FOCUS_GAINED |
窗口已获得键盘焦点 |
| SDL_WINDOWEVENT_FOCUS_LOST |
窗口失去了键盘焦点 |
| SDL_WINDOWEVENT_CLOSE |
窗口管理器要求关闭窗口 |
| SDL_WINDOWEVENT_TAKE_FOCUS |
提供窗口焦点（应该SDL_SetWindowInputFocus（）本身还是子窗口，或者忽略）（> = SDL 2.0.5） |
| SDL_WINDOWEVENT_HIT_TEST |
窗口的点击测试不是SDL_HITTEST_NORMAL（> = SDL 2.0.5） |
