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+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+
+/**
+ * \file SDL_keyboard.h
+ *
+ * Include file for SDL keyboard event handling
+ */
+
+#ifndef SDL_keyboard_h_
+#define SDL_keyboard_h_
+
+#include "SDL_stdinc.h"
+#include "SDL_error.h"
+#include "SDL_keycode.h"
+#include "SDL_video.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief The SDL keysym structure, used in key events.
+ *
+ * \note If you are looking for translated character input, see the ::SDL_TEXTINPUT event.
+ */
+typedef struct SDL_Keysym
+{
+ SDL_Scancode scancode; /**< SDL physical key code - see ::SDL_Scancode for details */
+ SDL_Keycode sym; /**< SDL virtual key code - see ::SDL_Keycode for details */
+ Uint16 mod; /**< current key modifiers */
+ Uint32 unused;
+} SDL_Keysym;
+
+/* Function prototypes */
+
+/**
+ * \brief Get the window which currently has keyboard focus.
+ */
+extern DECLSPEC SDL_Window * SDLCALL SDL_GetKeyboardFocus(void);
+
+/**
+ * \brief Get a snapshot of the current state of the keyboard.
+ *
+ * \param numkeys if non-NULL, receives the length of the returned array.
+ *
+ * \return An array of key states. Indexes into this array are obtained by using ::SDL_Scancode values.
+ *
+ * \b Example:
+ * \code
+ * const Uint8 *state = SDL_GetKeyboardState(NULL);
+ * if ( state[SDL_SCANCODE_RETURN] ) {
+ * printf("<RETURN> is pressed.\n");
+ * }
+ * \endcode
+ */
+extern DECLSPEC const Uint8 *SDLCALL SDL_GetKeyboardState(int *numkeys);
+
+/**
+ * \brief Get the current key modifier state for the keyboard.
+ */
+extern DECLSPEC SDL_Keymod SDLCALL SDL_GetModState(void);
+
+/**
+ * \brief Set the current key modifier state for the keyboard.
+ *
+ * \note This does not change the keyboard state, only the key modifier flags.
+ */
+extern DECLSPEC void SDLCALL SDL_SetModState(SDL_Keymod modstate);
+
+/**
+ * \brief Get the key code corresponding to the given scancode according
+ * to the current keyboard layout.
+ *
+ * See ::SDL_Keycode for details.
+ *
+ * \sa SDL_GetKeyName()
+ */
+extern DECLSPEC SDL_Keycode SDLCALL SDL_GetKeyFromScancode(SDL_Scancode scancode);
+
+/**
+ * \brief Get the scancode corresponding to the given key code according to the
+ * current keyboard layout.
+ *
+ * See ::SDL_Scancode for details.
+ *
+ * \sa SDL_GetScancodeName()
+ */
+extern DECLSPEC SDL_Scancode SDLCALL SDL_GetScancodeFromKey(SDL_Keycode key);
+
+/**
+ * \brief Get a human-readable name for a scancode.
+ *
+ * \return A pointer to the name for the scancode.
+ * If the scancode doesn't have a name, this function returns
+ * an empty string ("").
+ *
+ * \sa SDL_Scancode
+ */
+extern DECLSPEC const char *SDLCALL SDL_GetScancodeName(SDL_Scancode scancode);
+
+/**
+ * \brief Get a scancode from a human-readable name
+ *
+ * \return scancode, or SDL_SCANCODE_UNKNOWN if the name wasn't recognized
+ *
+ * \sa SDL_Scancode
+ */
+extern DECLSPEC SDL_Scancode SDLCALL SDL_GetScancodeFromName(const char *name);
+
+/**
+ * \brief Get a human-readable name for a key.
+ *
+ * \return A pointer to a UTF-8 string that stays valid at least until the next
+ * call to this function. If you need it around any longer, you must
+ * copy it. If the key doesn't have a name, this function returns an
+ * empty string ("").
+ *
+ * \sa SDL_Keycode
+ */
+extern DECLSPEC const char *SDLCALL SDL_GetKeyName(SDL_Keycode key);
+
+/**
+ * \brief Get a key code from a human-readable name
+ *
+ * \return key code, or SDLK_UNKNOWN if the name wasn't recognized
+ *
+ * \sa SDL_Keycode
+ */
+extern DECLSPEC SDL_Keycode SDLCALL SDL_GetKeyFromName(const char *name);
+
+/**
+ * \brief Start accepting Unicode text input events.
+ * This function will show the on-screen keyboard if supported.
+ *
+ * \sa SDL_StopTextInput()
+ * \sa SDL_SetTextInputRect()
+ * \sa SDL_HasScreenKeyboardSupport()
+ */
+extern DECLSPEC void SDLCALL SDL_StartTextInput(void);
+
+/**
+ * \brief Return whether or not Unicode text input events are enabled.
+ *
+ * \sa SDL_StartTextInput()
+ * \sa SDL_StopTextInput()
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsTextInputActive(void);
+
+/**
+ * \brief Stop receiving any text input events.
+ * This function will hide the on-screen keyboard if supported.
+ *
+ * \sa SDL_StartTextInput()
+ * \sa SDL_HasScreenKeyboardSupport()
+ */
+extern DECLSPEC void SDLCALL SDL_StopTextInput(void);
+
+/**
+ * \brief Set the rectangle used to type Unicode text inputs.
+ * This is used as a hint for IME and on-screen keyboard placement.
+ *
+ * \sa SDL_StartTextInput()
+ */
+extern DECLSPEC void SDLCALL SDL_SetTextInputRect(SDL_Rect *rect);
+
+/**
+ * \brief Returns whether the platform has some screen keyboard support.
+ *
+ * \return SDL_TRUE if some keyboard support is available else SDL_FALSE.
+ *
+ * \note Not all screen keyboard functions are supported on all platforms.
+ *
+ * \sa SDL_IsScreenKeyboardShown()
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasScreenKeyboardSupport(void);
+
+/**
+ * \brief Returns whether the screen keyboard is shown for given window.
+ *
+ * \param window The window for which screen keyboard should be queried.
+ *
+ * \return SDL_TRUE if screen keyboard is shown else SDL_FALSE.
+ *
+ * \sa SDL_HasScreenKeyboardSupport()
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsScreenKeyboardShown(SDL_Window *window);
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include "close_code.h"
+
+#endif /* SDL_keyboard_h_ */
+
+/* vi: set ts=4 sw=4 expandtab: */