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Fixes #1596

(cherry picked from commit aa80d24d01)
This commit is contained in:
Camilla Löwy 2022-06-28 23:19:30 +02:00
parent 0f341802e1
commit 7482de6071
2 changed files with 16 additions and 5 deletions
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18
docs/input.dox
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@ -123,9 +123,21 @@ void key_callback(GLFWwindow* window, int key, int scancode, int action, int mod
} }
@endcode @endcode
The action is one of `GLFW_PRESS`, `GLFW_REPEAT` or `GLFW_RELEASE`. The key The action is one of `GLFW_PRESS`, `GLFW_REPEAT` or `GLFW_RELEASE`. Events with
will be `GLFW_KEY_UNKNOWN` if GLFW lacks a key token for it, for example `GLFW_PRESS` and `GLFW_RELEASE` actions are emitted for every key press. Most
_E-mail_ and _Play_ keys. keys will also emit events with `GLFW_REPEAT` actions while a key is held down.
Key events with `GLFW_REPEAT` actions are intended for text input. They are
emitted at the rate set in the user's keyboard settings. At most one key is
repeated even if several keys are held down. `GLFW_REPEAT` actions should not
be relied on to know which keys are being held down or to drive animation.
Instead you should either save the state of relevant keys based on `GLFW_PRESS`
and `GLFW_RELEASE` actions, or call @ref glfwGetKey, which provides basic cached
key state.
The key will be one of the existing [key tokens](@ref keys), or
`GLFW_KEY_UNKNOWN` if GLFW lacks a token for it, for example _E-mail_ and _Play_
keys.
The scancode is unique for every key, regardless of whether it has a key token. The scancode is unique for every key, regardless of whether it has a key token.
Scancodes are platform-specific but consistent over time, so keys will have Scancodes are platform-specific but consistent over time, so keys will have

3
include/GLFW/glfw3.h
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@ -4278,8 +4278,7 @@ GLFWAPI int glfwGetKeyScancode(int key);
* *
* This function returns the last state reported for the specified key to the * This function returns the last state reported for the specified key to the
* specified window. The returned state is one of `GLFW_PRESS` or * specified window. The returned state is one of `GLFW_PRESS` or
* `GLFW_RELEASE`. The higher-level action `GLFW_REPEAT` is only reported to * `GLFW_RELEASE`. The action `GLFW_REPEAT` is only reported to the key callback.
* the key callback.
* *
* If the @ref GLFW_STICKY_KEYS input mode is enabled, this function returns * If the @ref GLFW_STICKY_KEYS input mode is enabled, this function returns
* `GLFW_PRESS` the first time you call it for a key that was pressed, even if * `GLFW_PRESS` the first time you call it for a key that was pressed, even if