Atlas - SDL_qnxkeyboard.c
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1/*
2  Simple DirectMedia Layer
3  Copyright (C) 2026 BlackBerry Limited
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
22#include "SDL_internal.h"
23#include "../../events/SDL_keyboard_c.h"
24#include "SDL3/SDL_scancode.h"
25#include "SDL3/SDL_events.h"
26#include "SDL_qnx.h"
27#include <sys/keycodes.h>
28
29/**
30 * A map that translates Screen key names to SDL scan codes.
31 * This map is incomplete, but should include most major keys.
32 */
33static int key_to_sdl[] = {
34    [KEYCODE_SPACE] = SDL_SCANCODE_SPACE,
35    [KEYCODE_APOSTROPHE] = SDL_SCANCODE_APOSTROPHE,
36    [KEYCODE_COMMA] = SDL_SCANCODE_COMMA,
37    [KEYCODE_MINUS] = SDL_SCANCODE_MINUS,
38    [KEYCODE_PERIOD] = SDL_SCANCODE_PERIOD,
39    [KEYCODE_SLASH] = SDL_SCANCODE_SLASH,
40    [KEYCODE_ZERO] = SDL_SCANCODE_0,
41    [KEYCODE_ONE] = SDL_SCANCODE_1,
42    [KEYCODE_TWO] = SDL_SCANCODE_2,
43    [KEYCODE_THREE] = SDL_SCANCODE_3,
44    [KEYCODE_FOUR] = SDL_SCANCODE_4,
45    [KEYCODE_FIVE] = SDL_SCANCODE_5,
46    [KEYCODE_SIX] = SDL_SCANCODE_6,
47    [KEYCODE_SEVEN] = SDL_SCANCODE_7,
48    [KEYCODE_EIGHT] = SDL_SCANCODE_8,
49    [KEYCODE_NINE] = SDL_SCANCODE_9,
50    [KEYCODE_SEMICOLON] = SDL_SCANCODE_SEMICOLON,
51    [KEYCODE_EQUAL] = SDL_SCANCODE_EQUALS,
52    [KEYCODE_LEFT_BRACKET] = SDL_SCANCODE_LEFTBRACKET,
53    [KEYCODE_BACK_SLASH] = SDL_SCANCODE_BACKSLASH,
54    [KEYCODE_RIGHT_BRACKET] = SDL_SCANCODE_RIGHTBRACKET,
55    [KEYCODE_GRAVE] = SDL_SCANCODE_GRAVE,
56    [KEYCODE_A] = SDL_SCANCODE_A,
57    [KEYCODE_B] = SDL_SCANCODE_B,
58    [KEYCODE_C] = SDL_SCANCODE_C,
59    [KEYCODE_D] = SDL_SCANCODE_D,
60    [KEYCODE_E] = SDL_SCANCODE_E,
61    [KEYCODE_F] = SDL_SCANCODE_F,
62    [KEYCODE_G] = SDL_SCANCODE_G,
63    [KEYCODE_H] = SDL_SCANCODE_H,
64    [KEYCODE_I] = SDL_SCANCODE_I,
65    [KEYCODE_J] = SDL_SCANCODE_J,
66    [KEYCODE_K] = SDL_SCANCODE_K,
67    [KEYCODE_L] = SDL_SCANCODE_L,
68    [KEYCODE_M] = SDL_SCANCODE_M,
69    [KEYCODE_N] = SDL_SCANCODE_N,
70    [KEYCODE_O] = SDL_SCANCODE_O,
71    [KEYCODE_P] = SDL_SCANCODE_P,
72    [KEYCODE_Q] = SDL_SCANCODE_Q,
73    [KEYCODE_R] = SDL_SCANCODE_R,
74    [KEYCODE_S] = SDL_SCANCODE_S,
75    [KEYCODE_T] = SDL_SCANCODE_T,
76    [KEYCODE_U] = SDL_SCANCODE_U,
77    [KEYCODE_V] = SDL_SCANCODE_V,
78    [KEYCODE_W] = SDL_SCANCODE_W,
79    [KEYCODE_X] = SDL_SCANCODE_X,
80    [KEYCODE_Y] = SDL_SCANCODE_Y,
81    [KEYCODE_Z] = SDL_SCANCODE_Z,
82    [KEYCODE_UP] = SDL_SCANCODE_UP,
83    [KEYCODE_DOWN] = SDL_SCANCODE_DOWN,
84    [KEYCODE_LEFT] = SDL_SCANCODE_LEFT,
85    [KEYCODE_PG_UP] = SDL_SCANCODE_PAGEUP,
86    [KEYCODE_PG_DOWN] = SDL_SCANCODE_PAGEDOWN,
87    [KEYCODE_PRINT] = SDL_SCANCODE_PRINTSCREEN,
88    [KEYCODE_SCROLL_LOCK] = SDL_SCANCODE_SCROLLLOCK,
89    [KEYCODE_PAUSE] = SDL_SCANCODE_PAUSE,
90    [KEYCODE_INSERT] = SDL_SCANCODE_INSERT,
91    [KEYCODE_HOME] = SDL_SCANCODE_HOME,
92    [KEYCODE_DELETE] = SDL_SCANCODE_DELETE,
93    [KEYCODE_END] = SDL_SCANCODE_END,
94    [KEYCODE_NUM_LOCK] = SDL_SCANCODE_NUMLOCKCLEAR,
95    [KEYCODE_RIGHT] = SDL_SCANCODE_RIGHT,
96    [KEYCODE_RETURN] = SDL_SCANCODE_RETURN,
97    [KEYCODE_TAB] = SDL_SCANCODE_TAB,
98    [KEYCODE_ESCAPE] = SDL_SCANCODE_ESCAPE,
99    [KEYCODE_LEFT_CTRL] = SDL_SCANCODE_LCTRL,
100    [KEYCODE_RIGHT_CTRL] = SDL_SCANCODE_RCTRL,
101    [KEYCODE_LEFT_SHIFT] = SDL_SCANCODE_LSHIFT,
102    [KEYCODE_RIGHT_SHIFT] = SDL_SCANCODE_RSHIFT,
103    [KEYCODE_LEFT_ALT] = SDL_SCANCODE_LALT,
104    [KEYCODE_RIGHT_ALT] = SDL_SCANCODE_RALT,
105    [KEYCODE_BACKSPACE] = SDL_SCANCODE_BACKSPACE,
106    [KEYCODE_CAPS_LOCK] = SDL_SCANCODE_CAPSLOCK,
107    [KEYCODE_F1] = SDL_SCANCODE_F1,
108    [KEYCODE_F2] = SDL_SCANCODE_F2,
109    [KEYCODE_F3] = SDL_SCANCODE_F3,
110    [KEYCODE_F4] = SDL_SCANCODE_F4,
111    [KEYCODE_F5] = SDL_SCANCODE_F5,
112    [KEYCODE_F6] = SDL_SCANCODE_F6,
113    [KEYCODE_F7] = SDL_SCANCODE_F7,
114    [KEYCODE_F8] = SDL_SCANCODE_F8,
115    [KEYCODE_F9] = SDL_SCANCODE_F9,
116    [KEYCODE_F10] = SDL_SCANCODE_F10,
117    [KEYCODE_F11] = SDL_SCANCODE_F11,
118    [KEYCODE_F12] = SDL_SCANCODE_F12,
119    [KEYCODE_KP_DIVIDE] = SDL_SCANCODE_KP_DIVIDE,
120    [KEYCODE_KP_MULTIPLY] = SDL_SCANCODE_KP_MULTIPLY,
121    [KEYCODE_KP_MINUS] = SDL_SCANCODE_KP_MINUS,
122    [KEYCODE_KP_PLUS] = SDL_SCANCODE_KP_PLUS,
123    [KEYCODE_KP_ENTER] = SDL_SCANCODE_KP_ENTER,
124    /* NO SCREEN MAPPING FOR KEYPAD DIGITS
125    [KEYCODE_ZERO] = SDL_SCANCODE_KP_0,
126    [KEYCODE_ONE] = SDL_SCANCODE_KP_1,
127    [KEYCODE_TWO] = SDL_SCANCODE_KP_2,
128    [KEYCODE_THREE] = SDL_SCANCODE_KP_3,
129    [KEYCODE_FOUR] = SDL_SCANCODE_KP_4,
130    [KEYCODE_FIVE] = SDL_SCANCODE_KP_5,
131    [KEYCODE_SIX] = SDL_SCANCODE_KP_6,
132    [KEYCODE_SEVEN] = SDL_SCANCODE_KP_7,
133    [KEYCODE_EIGHT] = SDL_SCANCODE_KP_8,
134    [KEYCODE_NINE] = SDL_SCANCODE_KP_9,
135    [KEYCODE_PERIOD] = SDL_SCANCODE_KP_PERIOD,
136    */
137    [KEYCODE_POWER] = SDL_SCANCODE_POWER,
138    [KEYCODE_PLAY] = SDL_SCANCODE_EXECUTE,
139    [KEYCODE_HELP] = SDL_SCANCODE_HELP,
140    [KEYCODE_MENU] = SDL_SCANCODE_MENU,
141    [KEYCODE_AC_SELECT_ALL] = SDL_SCANCODE_SELECT,
142    [KEYCODE_STOP] = SDL_SCANCODE_STOP,
143    [KEYCODE_AC_UNDO] = SDL_SCANCODE_UNDO,
144    [KEYCODE_AC_CUT] = SDL_SCANCODE_CUT,
145    [KEYCODE_AC_COPY] = SDL_SCANCODE_COPY,
146    [KEYCODE_AC_PASTE] = SDL_SCANCODE_PASTE,
147    [KEYCODE_AC_FIND] = SDL_SCANCODE_FIND,
148    [KEYCODE_MUTE] = SDL_SCANCODE_MUTE,
149    [KEYCODE_VOLUME_UP] = SDL_SCANCODE_VOLUMEUP,
150    [KEYCODE_VOLUME_DOWN] = SDL_SCANCODE_VOLUMEDOWN,
151    [KEYCODE_SYSREQ] = SDL_SCANCODE_SYSREQ,
152    [KEYCODE_AC_CANCEL] = SDL_SCANCODE_CANCEL,
153    [KEYCODE_AC_SEARCH] = SDL_SCANCODE_AC_SEARCH,
154    [KEYCODE_AC_HOME] = SDL_SCANCODE_AC_HOME,
155    [KEYCODE_AC_BACK] = SDL_SCANCODE_AC_BACK,
156    [KEYCODE_AC_FORWARD] = SDL_SCANCODE_AC_FORWARD,
157    [KEYCODE_AC_STOP] = SDL_SCANCODE_AC_STOP,
158    [KEYCODE_AC_REFRESH] = SDL_SCANCODE_AC_REFRESH,
159    [KEYCODE_AC_BOOKMARKS] = SDL_SCANCODE_AC_BOOKMARKS,
160    [KEYCODE_EJECT] = SDL_SCANCODE_MEDIA_EJECT,
161    [KEYCODE_SLEEP] = SDL_SCANCODE_SLEEP,
162};
163
164/**
165 * Called from the event dispatcher when a keyboard event is encountered.
166 * Translates the event such that it can be handled by SDL.
167 * @param   event   Screen keyboard event
168 */
169void handleKeyboardEvent(screen_event_t event)
170{
171    int             val;
172    int             cap;
173    char            ascii_text[2];
174    SDL_Scancode    scancode;
175
176    // Get the key value.
177    if (screen_get_event_property_iv(event, SCREEN_PROPERTY_SYM, &val) < 0) {
178        return;
179    }
180
181    if (screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_CAP, &cap) < 0) {
182        return;
183    }
184
185    // Skip unrecognized keys.
186    if ((val < 0) || (val >= SDL_arraysize(key_to_sdl))) {
187        return;
188    }
189
190    // Translate to an SDL scan code.
191    scancode = key_to_sdl[val];
192    if (scancode == 0) {
193        return;
194    }
195
196    // Get event flags (key state).
197    if (screen_get_event_property_iv(event, SCREEN_PROPERTY_FLAGS, &val) < 0) {
198        return;
199    }
200
201    // Propagate the event to SDL.
202    // FIXME:
203    // Need to handle more key states (such as key combinations).
204    if (val & KEY_DOWN) {
205        SDL_SendKeyboardKey(0, SDL_DEFAULT_KEYBOARD_ID, val, scancode, true);
206
207        // TODO: To simplify, we're ignoring keycodes that aren't just ascii.
208        if ((val < UNICODE_PRIVATE_USE_AREA_FIRST) && ((cap & 0xFF) == cap)) {
209            ascii_text[0] = cap;
210            ascii_text[1] = 0;
211            SDL_SendKeyboardText(ascii_text);
212        } else if ((KEYCODE_PC_KEYS <= val) && (val < KEYCODE_CONSUMER_KEYS)) {
213            ascii_text[0] = val & 0xFF;
214            ascii_text[1] = 0;
215            SDL_SendKeyboardText(ascii_text);
216        }
217    } else {
218        SDL_SendKeyboardKey(0, SDL_DEFAULT_KEYBOARD_ID, val, scancode, false);
219    }
220}
221
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