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How do SDL events work?
The SDL Event Queue When SDL receives an event it’s pushed onto the back of a queue of all the other events that have been received but haven’t been polled yet. When we call SDL_PollEvent we get the event at the front of the queue, which corresponds to the oldest event since we last polled.
What is SDL_Event?
SDL_Event is a union of all event structures used in SDL. Using it is a simple matter of knowing which event type corresponds to which union member.
What is SDL poll event?
SDL_PollEvent() is the favored way of receiving system events since it can be done from the main loop and does not suspend the main loop while waiting on an event to be posted.
What is Sdl_quit?
SDL_QUIT events are generated for a variety of reasons. An application can choose to ignore the event, for example, if it wants to offer a prompt asking the user to save the current work. An SDL_QUIT event is generated when the user clicks on the close button of the last existing window.
What is the default mouse speed?
The default cursor speed is level 10.
How do I stop my mouse from automatically scrolling?
How to Disable Windows 10’s “Inactive Window Scrolling” Feature
- Head to the new Settings app and click on the Devices section.
- Click the Mouse & Touchpad tab.
- Switch “Scroll inactive windows when I hover over them” to off.
When do you get SDL _ mousemotion event?
Instead you get a SDL_MOUSEMOTION event when the mouse is moved. That is, the event represents a single instant in time. If you want to do something when the mouse is moved, your best option is to do it as direct response to the mouse event. If that goes against your OO design, then your design is wrong.
What happens when the mouse wheel is not moving?
Mouse wheel and mousemotion events execute continuously even when the mouse wheel or mouse is not scrolling or moving. I test for mouse scrolls with this simple call: Then I listen for mouse events using a switch statement:
When to set Boolean variable to false in mousewheel?
If you insist in using booleans, then you should set the boolean variable to false as soon as your consumer class sees it as true, so that each event is processed only once. Then make your main class implement this interface, and make your mouse handling code receive a pointer to such interface.