Spletswitch ( event. type) { case SDL_QUIT: next = 0; break; case SDL_KEYDOWN: switch ( event. key. keysym. sym) { case SDLK_ESCAPE: next = 0; break; case SDLK_LEFT: position [1]. x -= 2; break; case SDLK_RIGHT: position [1]. x += 2; break; case SDLK_DOWN: position [1]. y ++; break; case SDLK_UP: position [1]. y --; SpletThe switch expression is evaluated once The value of the expression is compared with the values of each case If there is a match, the associated block of code is executed The break and default keywords are optional, and will be described later in this chapter The example below uses the weekday number to calculate the weekday name: Example
event.keyCode用法及keyCode对照表 - CSDN博客
Splet07. apr. 2024 · The KeyboardEvent.code property represents a physical key on the keyboard (as opposed to the character generated by pressing the key). In other words, this property returns a value that isn't altered by keyboard layout or the state of the modifier keys. Splet03. jan. 2013 · In SDL 2+ there is no SDL_EnableKeyRepeat (), but event.key.repeat will be non-zero on key down events that are the result of repeating and you can just ignore … lc joyeria
javascript - event.keycode vs event.which - Stack Overflow
SpletThe sf::Event::KeyPressed and sf::Event::KeyReleased events are triggered when a keyboard key is pressed/released. If a key is held, multiple KeyPressed events will be generated, at the default operating system delay (ie. the same delay that applies when you hold a letter in a text editor). To disable repeated KeyPressed events, you can call ... SpletC++ (Cpp) QKeyEvent::key - 30 examples found. These are the top rated real world C++ (Cpp) examples of QKeyEvent::key extracted from open source projects. You can rate examples to help us improve the quality of examples. Splet22. maj 2024 · 3.Loop through the KeyCode from #1 and check if each key in the array is pressed, released or held down. 4.Get all the components in the scene and check if they … lci janssen