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docs for shutdown

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Torkel 2020-11-18 23:16:06 +09:00
parent 30c5f3a924
commit b9eb6affa3
1 changed files with 8 additions and 3 deletions
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11
docs/window.dox
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@ -618,8 +618,8 @@ void window_close_callback(GLFWwindow* window)
} }
@endcode @endcode
If you wish to be notified when the user attempts to shut down the machine, set a If you wish to be notified when the user attempts to shut down the machine, or
machine shutdown callback. interrupt a shutdown, then set a machine shutdown callback.
@code @code
glfwSetMachineShutdownCallback(window, machine_shutdown_callback); glfwSetMachineShutdownCallback(window, machine_shutdown_callback);
@ -627,11 +627,16 @@ glfwSetMachineShutdownCallback(window, machine_shutdown_callback);
The callback function is called when GLFW detects that the machine is shutting down. The callback function is called when GLFW detects that the machine is shutting down.
It can be used for example to save data to disk in order to minimize risk of data loss. It can be used for example to save data to disk in order to minimize risk of data loss.
Another use is to interrupt the shutdown (return false).
@code @code
void machine_shutdown_callback(GLFWwindow* window) int machine_shutdown_callback(GLFWwindow* window)
{ {
initiate_save_of_important_data_to_disk(); initiate_save_of_important_data_to_disk();
if (prevent_machine_shutdown())
return GLFW_FALSE;
else
return GLFW_TRUE;
} }
@endcode @endcode