Atlas - SDL_keyboard_c.h
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1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21#include "SDL_internal.h"
22
23#ifndef SDL_keyboard_c_h_
24#define SDL_keyboard_c_h_
25
26#include "SDL_keymap_c.h"
27
28// Keyboard events not associated with a specific input device
29#define SDL_GLOBAL_KEYBOARD_ID     0
30
31// The default keyboard input device, for platforms that don't have multiple keyboards
32#define SDL_DEFAULT_KEYBOARD_ID    1
33
34// Initialize the keyboard subsystem
35extern bool SDL_InitKeyboard(void);
36
37// Return whether a device is actually a keyboard
38extern bool SDL_IsKeyboard(Uint16 vendor, Uint16 product, int num_keys);
39
40// A keyboard has been added to the system
41extern void SDL_AddKeyboard(SDL_KeyboardID keyboardID, const char *name);
42
43// A keyboard has been removed from the system
44extern void SDL_RemoveKeyboard(SDL_KeyboardID keyboardID);
45
46// Set the mapping of scancode to key codes
47extern void SDL_SetKeymap(SDL_Keymap *keymap, bool send_event);
48
49// Set the keyboard focus window
50extern bool SDL_SetKeyboardFocus(SDL_Window *window);
51
52/* Send a character from an on-screen keyboard as scancode and modifier key events,
53   currently assuming ASCII characters on a US keyboard layout
54 */
55extern void SDL_SendKeyboardUnicodeKey(Uint64 timestamp, Uint32 ch);
56
57// Send a keyboard key event
58extern bool SDL_SendKeyboardKey(Uint64 timestamp, SDL_KeyboardID keyboardID, int rawcode, SDL_Scancode scancode, bool down);
59extern bool SDL_SendKeyboardKeyIgnoreModifiers(Uint64 timestamp, SDL_KeyboardID keyboardID, int rawcode, SDL_Scancode scancode, bool down);
60extern bool SDL_SendKeyboardKeyAutoRelease(Uint64 timestamp, SDL_Scancode scancode);
61
62/* This is for platforms that don't know the keymap but can report scancode and keycode directly.
63   Most platforms should prefer to optionally call SDL_SetKeymap and then use SDL_SendKeyboardKey. */
64extern bool SDL_SendKeyboardKeyAndKeycode(Uint64 timestamp, SDL_KeyboardID keyboardID, int rawcode, SDL_Scancode scancode, SDL_Keycode keycode, bool down);
65
66// Release all the autorelease keys
67extern void SDL_ReleaseAutoReleaseKeys(void);
68
69// Return true if any hardware key is pressed
70extern bool SDL_HardwareKeyboardKeyPressed(void);
71
72// Send keyboard text input
73extern void SDL_SendKeyboardText(const char *text);
74
75// Send editing text for selected range from start to end
76extern void SDL_SendEditingText(const char *text, int start, int length);
77
78// Send editing text candidates, which will be copied into the event
79extern void SDL_SendEditingTextCandidates(char **candidates, int num_candidates, int selected_candidate, bool horizontal);
80
81// Shutdown the keyboard subsystem
82extern void SDL_QuitKeyboard(void);
83
84// Toggle on or off pieces of the keyboard mod state.
85extern void SDL_ToggleModState(SDL_Keymod modstate, bool toggle);
86
87#endif // SDL_keyboard_c_h_
88
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