diff options
Diffstat (limited to 'sdl2/events.scm')
| -rw-r--r-- | sdl2/events.scm | 673 |
1 files changed, 673 insertions, 0 deletions
diff --git a/sdl2/events.scm b/sdl2/events.scm new file mode 100644 index 0000000..ad798a8 --- /dev/null +++ b/sdl2/events.scm @@ -0,0 +1,673 @@ +;;; guile-sdl2 --- FFI bindings for SDL2 +;;; Copyright © 2015 David Thompson <davet@gnu.org> +;;; +;;; This file is part of guile-sdl2. +;;; +;;; Guile-sdl2 is free software; you can redistribute it and/or modify +;;; it under the terms of the GNU Lesser General Public License as +;;; published by the Free Software Foundation; either version 3 of the +;;; License, or (at your option) any later version. +;;; +;;; Guile-sdl2 is distributed in the hope that it will be useful, but +;;; WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +;;; General Public License for more details. +;;; +;;; You should have received a copy of the GNU Lesser General Public +;;; License along with guile-sdl2. If not, see +;;; <http://www.gnu.org/licenses/>. + +;;; Commentary: +;; +;; SDL event handling. +;; +;;; Code: + +(define-module (sdl2 events) + #:use-module (ice-9 hash-table) + #:use-module (ice-9 match) + #:use-module (rnrs bytevectors) + #:use-module (srfi srfi-1) + #:use-module (srfi srfi-4) + #:use-module (srfi srfi-9) + #:use-module (system foreign) + #:use-module ((sdl2 bindings) #:prefix ffi:) + #:use-module (sdl2) + #:export (make-window-event + window-event? + window-event-timestamp + window-event-window-id + window-event-type + window-event-vector + + make-keyboard-event + keyboard-event? + keyboard-event-timestamp + keyboard-event-window-id + keyboard-event-pressed? + keyboard-event-repeat + keyboard-event-keysym + + poll-event)) + +(define (make-sdl-event) + (make-u8vector 56 0)) ; sizeof(SDL_Event) is 56 + +(define (sdl-event-type event) + (u32vector-ref event 0)) + + +;;; +;;; Window +;;; + +(define-record-type <window-event> + (make-window-event timestamp window-id type vector) + window-event? + (timestamp window-event timestamp) + (window-id window-event-window-id) + (type window-event-type) + (vector window-event-vector)) + +(define (parse-window-event ptr) + (define (type-symbol n) + (list-ref '(none + shown + hidden + exposed + moved + resized + size-changed + minimized + maximized + restored + enter + leave + focus-gained + focus-lost + close) + n)) + + (define types + (list uint32 ; type + uint32 ; timestamp + uint32 ; windowID + uint8 ; event + uint8 ; padding1 + uint8 ; padding2 + uint8 ; padding3 + int32 ; data1 + int32)) ; data2 + + (match (parse-c-struct ptr types) + ((_ timestamp id event _ _ _ data1 data2) + (make-window-event timestamp id (type-symbol event) (cons data1 data2))))) + + +;;; +;;; Keyboard +;;; + +(define-record-type <keyboard-event> + (make-keyboard-event timestamp window-id pressed? repeat + key scancode modifiers) + keyboard-event? + (timestamp keyboard-event-timestamp) + (window-id keyboard-event-window-id) + (pressed? keyboard-event-pressed?) + (repeat keyboard-event-repeat) + (key keyboard-event-key) + (scancode keyboard-event-scancode) + (modifiers keyboard-event-modifiers)) + +(define keycode-map + (alist->hash-table + `((,ffi:SDLK_UNKNOWN . unknown) + (,ffi:SDLK_RETURN . return) + (,ffi:SDLK_ESCAPE . escape) + (,ffi:SDLK_BACKSPACE . backspace) + (,ffi:SDLK_TAB . tab) + (,ffi:SDLK_SPACE . space) + (,ffi:SDLK_EXCLAIM . exclaim) + (,ffi:SDLK_QUOTEDBL . double-quote) + (,ffi:SDLK_HASH . hash) + (,ffi:SDLK_PERCENT . percent) + (,ffi:SDLK_DOLLAR . dollar) + (,ffi:SDLK_AMPERSAND . ampersand) + (,ffi:SDLK_QUOTE . quote) + (,ffi:SDLK_LEFTPAREN . left-paren) + (,ffi:SDLK_RIGHTPAREN . right-paren) + (,ffi:SDLK_ASTERISK . asterisk) + (,ffi:SDLK_PLUS . plus) + (,ffi:SDLK_COMMA . comma) + (,ffi:SDLK_MINUS . minus) + (,ffi:SDLK_PERIOD . period) + (,ffi:SDLK_SLASH . slash) + (,ffi:SDLK_0 . 0) + (,ffi:SDLK_1 . 1) + (,ffi:SDLK_2 . 2) + (,ffi:SDLK_3 . 3) + (,ffi:SDLK_4 . 4) + (,ffi:SDLK_5 . 5) + (,ffi:SDLK_6 . 6) + (,ffi:SDLK_7 . 7) + (,ffi:SDLK_8 . 8) + (,ffi:SDLK_9 . 9) + (,ffi:SDLK_COLON . colon) + (,ffi:SDLK_SEMICOLON . semicolon) + (,ffi:SDLK_LESS . less) + (,ffi:SDLK_EQUALS . equals) + (,ffi:SDLK_GREATER . greater) + (,ffi:SDLK_QUESTION . question) + (,ffi:SDLK_AT . at) + (,ffi:SDLK_LEFTBRACKET . left-bracket) + (,ffi:SDLK_BACKSLASH . backslash) + (,ffi:SDLK_RIGHTBRACKET . right-bracket) + (,ffi:SDLK_CARET . caret) + (,ffi:SDLK_UNDERSCORE . underscore) + (,ffi:SDLK_BACKQUOTE . backquote) + (,ffi:SDLK_a . a) + (,ffi:SDLK_b . b) + (,ffi:SDLK_c . c) + (,ffi:SDLK_d . d) + (,ffi:SDLK_e . e) + (,ffi:SDLK_f . f) + (,ffi:SDLK_g . g) + (,ffi:SDLK_h . h) + (,ffi:SDLK_i . i) + (,ffi:SDLK_j . j) + (,ffi:SDLK_k . k) + (,ffi:SDLK_l . l) + (,ffi:SDLK_m . m) + (,ffi:SDLK_n . n) + (,ffi:SDLK_o . o) + (,ffi:SDLK_p . p) + (,ffi:SDLK_q . q) + (,ffi:SDLK_r . r) + (,ffi:SDLK_s . s) + (,ffi:SDLK_t . t) + (,ffi:SDLK_u . u) + (,ffi:SDLK_v . v) + (,ffi:SDLK_w . w) + (,ffi:SDLK_x . x) + (,ffi:SDLK_y . y) + (,ffi:SDLK_z . z) + (,ffi:SDLK_CAPSLOCK . caps-lock) + (,ffi:SDLK_F1 . f1) + (,ffi:SDLK_F2 . f2) + (,ffi:SDLK_F3 . f3) + (,ffi:SDLK_F4 . f4) + (,ffi:SDLK_F5 . f5) + (,ffi:SDLK_F6 . f6) + (,ffi:SDLK_F7 . f7) + (,ffi:SDLK_F8 . f8) + (,ffi:SDLK_F9 . f9) + (,ffi:SDLK_F10 . f10) + (,ffi:SDLK_F11 . f11) + (,ffi:SDLK_F12 . f12) + (,ffi:SDLK_PRINTSCREEN . print-screen) + (,ffi:SDLK_SCROLLLOCK . scroll-lock) + (,ffi:SDLK_PAUSE . pause) + (,ffi:SDLK_INSERT . insert) + (,ffi:SDLK_HOME . home) + (,ffi:SDLK_PAGEUP . page-up) + (,ffi:SDLK_DELETE . delete) + (,ffi:SDLK_END . end) + (,ffi:SDLK_PAGEDOWN . page-down) + (,ffi:SDLK_RIGHT . right) + (,ffi:SDLK_LEFT . left) + (,ffi:SDLK_DOWN . down) + (,ffi:SDLK_UP . up) + (,ffi:SDLK_NUMLOCKCLEAR . num-lock-clear) + (,ffi:SDLK_KP_DIVIDE . keypad-divide) + (,ffi:SDLK_KP_MULTIPLY . keypad-multiply) + (,ffi:SDLK_KP_MINUS . keypad-minus) + (,ffi:SDLK_KP_PLUS . keypad-plus) + (,ffi:SDLK_KP_ENTER . keypad-enter) + (,ffi:SDLK_KP_1 . keypad-1) + (,ffi:SDLK_KP_2 . keypad-2) + (,ffi:SDLK_KP_3 . keypad-3) + (,ffi:SDLK_KP_4 . keypad-4) + (,ffi:SDLK_KP_5 . keypad-5) + (,ffi:SDLK_KP_6 . keypad-6) + (,ffi:SDLK_KP_7 . keypad-7) + (,ffi:SDLK_KP_8 . keypad-8) + (,ffi:SDLK_KP_9 . keypad-9) + (,ffi:SDLK_KP_0 . keypad-0) + (,ffi:SDLK_KP_PERIOD . keypad-period) + (,ffi:SDLK_APPLICATION . application) + (,ffi:SDLK_POWER . power) + (,ffi:SDLK_KP_EQUALS . keypad-equals) + (,ffi:SDLK_F13 . f13) + (,ffi:SDLK_F14 . f14) + (,ffi:SDLK_F15 . f15) + (,ffi:SDLK_F16 . f16) + (,ffi:SDLK_F17 . f17) + (,ffi:SDLK_F18 . f18) + (,ffi:SDLK_F19 . f19) + (,ffi:SDLK_F20 . f20) + (,ffi:SDLK_F21 . f21) + (,ffi:SDLK_F22 . f22) + (,ffi:SDLK_F23 . f23) + (,ffi:SDLK_F24 . f24) + (,ffi:SDLK_EXECUTE . execute) + (,ffi:SDLK_HELP . help) + (,ffi:SDLK_MENU . menu) + (,ffi:SDLK_SELECT . select) + (,ffi:SDLK_STOP . stop) + (,ffi:SDLK_AGAIN . again) + (,ffi:SDLK_UNDO . undo) + (,ffi:SDLK_CUT . cut) + (,ffi:SDLK_COPY . copy) + (,ffi:SDLK_PASTE . paste) + (,ffi:SDLK_FIND . find) + (,ffi:SDLK_MUTE . mute) + (,ffi:SDLK_VOLUMEUP . volume-up) + (,ffi:SDLK_VOLUMEDOWN . volume-down) + (,ffi:SDLK_KP_COMMA . keypad-comma) + (,ffi:SDLK_KP_EQUALSAS400 . keypad-equalsas400) + (,ffi:SDLK_ALTERASE . alt-erase) + (,ffi:SDLK_SYSREQ . sysreq) + (,ffi:SDLK_CANCEL . cancel) + (,ffi:SDLK_CLEAR . clear) + (,ffi:SDLK_PRIOR . prior) + (,ffi:SDLK_RETURN2 . return-2) + (,ffi:SDLK_SEPARATOR . separator) + (,ffi:SDLK_OUT . out) + (,ffi:SDLK_OPER . oper) + (,ffi:SDLK_CLEARAGAIN . clear-again) + (,ffi:SDLK_CRSEL . crsel) + (,ffi:SDLK_EXSEL . exsel) + (,ffi:SDLK_KP_00 . keypad-00) + (,ffi:SDLK_KP_000 . keypad-000) + (,ffi:SDLK_THOUSANDSSEPARATOR . thousands-separator) + (,ffi:SDLK_DECIMALSEPARATOR . decimal-separator) + (,ffi:SDLK_CURRENCYUNIT . currency-unit) + (,ffi:SDLK_CURRENCYSUBUNIT . currency-subunit) + (,ffi:SDLK_KP_LEFTPAREN . keypad-left-paren) + (,ffi:SDLK_KP_RIGHTPAREN . keypad-right-paren) + (,ffi:SDLK_KP_LEFTBRACE . keypad-left-brace) + (,ffi:SDLK_KP_RIGHTBRACE . keypad-right-brace) + (,ffi:SDLK_KP_TAB . keypad-tab) + (,ffi:SDLK_KP_BACKSPACE . keypad-backspace) + (,ffi:SDLK_KP_A . keypad-a) + (,ffi:SDLK_KP_B . keypad-b) + (,ffi:SDLK_KP_C . keypad-c) + (,ffi:SDLK_KP_D . keypad-d) + (,ffi:SDLK_KP_E . keypad-e) + (,ffi:SDLK_KP_F . keypad-f) + (,ffi:SDLK_KP_XOR . keypad-xor) + (,ffi:SDLK_KP_POWER . keypad-power) + (,ffi:SDLK_KP_PERCENT . keypad-percent) + (,ffi:SDLK_KP_LESS . keypad-less) + (,ffi:SDLK_KP_GREATER . keypad-greater) + (,ffi:SDLK_KP_AMPERSAND . keypad-ampersand) + (,ffi:SDLK_KP_DBLAMPERSAND . keypad-double-ampersand) + (,ffi:SDLK_KP_VERTICALBAR . keypad-vertical-bar) + (,ffi:SDLK_KP_DBLVERTICALBAR . keypad-double-vertical-bar) + (,ffi:SDLK_KP_COLON . keypad-colon) + (,ffi:SDLK_KP_HASH . keypad-hash) + (,ffi:SDLK_KP_SPACE . keypad-space) + (,ffi:SDLK_KP_AT . keypad-at) + (,ffi:SDLK_KP_EXCLAM . keypad-exclam) + (,ffi:SDLK_KP_MEMSTORE . keypad-mem-store) + (,ffi:SDLK_KP_MEMRECALL . keypad-mem-recall) + (,ffi:SDLK_KP_MEMCLEAR . keypad-mem-clear) + (,ffi:SDLK_KP_MEMADD . keypad-mem-add) + (,ffi:SDLK_KP_MEMSUBTRACT . keypad-mem-subtract) + (,ffi:SDLK_KP_MEMMULTIPLY . keypad-mem-multiply) + (,ffi:SDLK_KP_MEMDIVIDE . keypad-mem-divide) + (,ffi:SDLK_KP_PLUSMINUS . keypad-plus-minus) + (,ffi:SDLK_KP_CLEAR . keypad-clear) + (,ffi:SDLK_KP_CLEARENTRY . keypad-clear-entry) + (,ffi:SDLK_KP_BINARY . keypad-binary) + (,ffi:SDLK_KP_OCTAL . keypad-octal) + (,ffi:SDLK_KP_DECIMAL . keypad-decimal) + (,ffi:SDLK_KP_HEXADECIMAL . keypad-hexadecimal) + (,ffi:SDLK_LCTRL . left-control) + (,ffi:SDLK_LSHIFT . left-shift) + (,ffi:SDLK_LALT . left-alt) + (,ffi:SDLK_LGUI . left-gui) + (,ffi:SDLK_RCTRL . right-control) + (,ffi:SDLK_RSHIFT . right-shift) + (,ffi:SDLK_RALT . right-alt) + (,ffi:SDLK_RGUI . right-gui) + (,ffi:SDLK_MODE . mode) + (,ffi:SDLK_AUDIONEXT . audio-next) + (,ffi:SDLK_AUDIOPREV . audio-prev) + (,ffi:SDLK_AUDIOSTOP . audio-stop) + (,ffi:SDLK_AUDIOPLAY . audio-play) + (,ffi:SDLK_AUDIOMUTE . audio-mute) + (,ffi:SDLK_MEDIASELECT . media-select) + (,ffi:SDLK_WWW . www) + (,ffi:SDLK_MAIL . mail) + (,ffi:SDLK_CALCULATOR . calculator) + (,ffi:SDLK_COMPUTER . computer) + (,ffi:SDLK_AC_SEARCH . ac-search) + (,ffi:SDLK_AC_HOME . ac-home) + (,ffi:SDLK_AC_BACK . ac-back) + (,ffi:SDLK_AC_FORWARD . ac-forward) + (,ffi:SDLK_AC_STOP . ac-stop) + (,ffi:SDLK_AC_REFRESH . ac-refresh) + (,ffi:SDLK_AC_BOOKMARKS . ac-bookmarks) + (,ffi:SDLK_BRIGHTNESSDOWN . brightness-down) + (,ffi:SDLK_BRIGHTNESSUP . brightness-up) + (,ffi:SDLK_DISPLAYSWITCH . display-switch) + (,ffi:SDLK_KBDILLUMTOGGLE . keyboard-illum-toggle) + (,ffi:SDLK_KBDILLUMDOWN . keyboard-illum-down) + (,ffi:SDLK_KBDILLUMUP . keyboard-illum-up) + (,ffi:SDLK_EJECT . eject) + (,ffi:SDLK_SLEEP . sleep)))) + +(define scancode-map + (alist->hash-table + `((,ffi:SDL_SCANCODE_UNKNOWN . unknown) + (,ffi:SDL_SCANCODE_A . a) + (,ffi:SDL_SCANCODE_B . b) + (,ffi:SDL_SCANCODE_C . c) + (,ffi:SDL_SCANCODE_D . d) + (,ffi:SDL_SCANCODE_E . e) + (,ffi:SDL_SCANCODE_F . f) + (,ffi:SDL_SCANCODE_G . g) + (,ffi:SDL_SCANCODE_H . h) + (,ffi:SDL_SCANCODE_I . i) + (,ffi:SDL_SCANCODE_J . j) + (,ffi:SDL_SCANCODE_K . k) + (,ffi:SDL_SCANCODE_L . l) + (,ffi:SDL_SCANCODE_M . m) + (,ffi:SDL_SCANCODE_N . n) + (,ffi:SDL_SCANCODE_O . o) + (,ffi:SDL_SCANCODE_P . p) + (,ffi:SDL_SCANCODE_Q . q) + (,ffi:SDL_SCANCODE_R . r) + (,ffi:SDL_SCANCODE_S . s) + (,ffi:SDL_SCANCODE_T . t) + (,ffi:SDL_SCANCODE_U . u) + (,ffi:SDL_SCANCODE_V . v) + (,ffi:SDL_SCANCODE_W . w) + (,ffi:SDL_SCANCODE_X . x) + (,ffi:SDL_SCANCODE_Y . y) + (,ffi:SDL_SCANCODE_Z . z) + (,ffi:SDL_SCANCODE_1 . 1) + (,ffi:SDL_SCANCODE_2 . 2) + (,ffi:SDL_SCANCODE_3 . 3) + (,ffi:SDL_SCANCODE_4 . 4) + (,ffi:SDL_SCANCODE_5 . 5) + (,ffi:SDL_SCANCODE_6 . 6) + (,ffi:SDL_SCANCODE_7 . 7) + (,ffi:SDL_SCANCODE_8 . 8) + (,ffi:SDL_SCANCODE_9 . 9) + (,ffi:SDL_SCANCODE_0 . 0) + (,ffi:SDL_SCANCODE_RETURN . return) + (,ffi:SDL_SCANCODE_ESCAPE . escape) + (,ffi:SDL_SCANCODE_BACKSPACE . backspace) + (,ffi:SDL_SCANCODE_TAB . tab) + (,ffi:SDL_SCANCODE_SPACE . space) + (,ffi:SDL_SCANCODE_MINUS . minus) + (,ffi:SDL_SCANCODE_EQUALS . equals) + (,ffi:SDL_SCANCODE_LEFTBRACKET . left-bracket) + (,ffi:SDL_SCANCODE_RIGHTBRACKET . right-bracket) + (,ffi:SDL_SCANCODE_BACKSLASH . backslash) + (,ffi:SDL_SCANCODE_NONUSHASH . nonushash) + (,ffi:SDL_SCANCODE_SEMICOLON . semicolon) + (,ffi:SDL_SCANCODE_APOSTROPHE . apostrophe) + (,ffi:SDL_SCANCODE_GRAVE . grave) + (,ffi:SDL_SCANCODE_COMMA . comma) + (,ffi:SDL_SCANCODE_PERIOD . period) + (,ffi:SDL_SCANCODE_SLASH . slash) + (,ffi:SDL_SCANCODE_CAPSLOCK . caps-lock) + (,ffi:SDL_SCANCODE_F1 . f1) + (,ffi:SDL_SCANCODE_F2 . f2) + (,ffi:SDL_SCANCODE_F3 . f3) + (,ffi:SDL_SCANCODE_F4 . f4) + (,ffi:SDL_SCANCODE_F5 . f5) + (,ffi:SDL_SCANCODE_F6 . f6) + (,ffi:SDL_SCANCODE_F7 . f7) + (,ffi:SDL_SCANCODE_F8 . f8) + (,ffi:SDL_SCANCODE_F9 . f9) + (,ffi:SDL_SCANCODE_F10 . f10) + (,ffi:SDL_SCANCODE_F11 . f11) + (,ffi:SDL_SCANCODE_F12 . f12) + (,ffi:SDL_SCANCODE_PRINTSCREEN . print-screen) + (,ffi:SDL_SCANCODE_SCROLLLOCK . scroll-lock) + (,ffi:SDL_SCANCODE_PAUSE . pause) + (,ffi:SDL_SCANCODE_INSERT . insert) + (,ffi:SDL_SCANCODE_HOME . home) + (,ffi:SDL_SCANCODE_PAGEUP . page-up) + (,ffi:SDL_SCANCODE_DELETE . delete) + (,ffi:SDL_SCANCODE_END . end) + (,ffi:SDL_SCANCODE_PAGEDOWN . page-down) + (,ffi:SDL_SCANCODE_RIGHT . right) + (,ffi:SDL_SCANCODE_LEFT . left) + (,ffi:SDL_SCANCODE_DOWN . down) + (,ffi:SDL_SCANCODE_UP . up) + (,ffi:SDL_SCANCODE_NUMLOCKCLEAR . num-lock-clear) + (,ffi:SDL_SCANCODE_KP_DIVIDE . keypad-divide) + (,ffi:SDL_SCANCODE_KP_MULTIPLY . keypad-multiply) + (,ffi:SDL_SCANCODE_KP_MINUS . keypad-minus) + (,ffi:SDL_SCANCODE_KP_PLUS . keypad-plus) + (,ffi:SDL_SCANCODE_KP_ENTER . keypad-enter) + (,ffi:SDL_SCANCODE_KP_1 . keypad-1) + (,ffi:SDL_SCANCODE_KP_2 . keypad-2) + (,ffi:SDL_SCANCODE_KP_3 . keypad-3) + (,ffi:SDL_SCANCODE_KP_4 . keypad-4) + (,ffi:SDL_SCANCODE_KP_5 . keypad-5) + (,ffi:SDL_SCANCODE_KP_6 . keypad-6) + (,ffi:SDL_SCANCODE_KP_7 . keypad-7) + (,ffi:SDL_SCANCODE_KP_8 . keypad-8) + (,ffi:SDL_SCANCODE_KP_9 . keypad-9) + (,ffi:SDL_SCANCODE_KP_0 . keypad-0) + (,ffi:SDL_SCANCODE_KP_PERIOD . keypad-period) + (,ffi:SDL_SCANCODE_NONUSBACKSLASH . nonusbackslash) + (,ffi:SDL_SCANCODE_APPLICATION . application) + (,ffi:SDL_SCANCODE_POWER . power) + (,ffi:SDL_SCANCODE_KP_EQUALS . keypad-equals) + (,ffi:SDL_SCANCODE_F13 . f13) + (,ffi:SDL_SCANCODE_F14 . f14) + (,ffi:SDL_SCANCODE_F15 . f15) + (,ffi:SDL_SCANCODE_F16 . f16) + (,ffi:SDL_SCANCODE_F17 . f17) + (,ffi:SDL_SCANCODE_F18 . f18) + (,ffi:SDL_SCANCODE_F19 . f19) + (,ffi:SDL_SCANCODE_F20 . f20) + (,ffi:SDL_SCANCODE_F21 . f21) + (,ffi:SDL_SCANCODE_F22 . f22) + (,ffi:SDL_SCANCODE_F23 . f23) + (,ffi:SDL_SCANCODE_F24 . f24) + (,ffi:SDL_SCANCODE_EXECUTE . execute) + (,ffi:SDL_SCANCODE_HELP . help) + (,ffi:SDL_SCANCODE_MENU . menu) + (,ffi:SDL_SCANCODE_SELECT . select) + (,ffi:SDL_SCANCODE_STOP . stop) + (,ffi:SDL_SCANCODE_AGAIN . again) + (,ffi:SDL_SCANCODE_UNDO . undo) + (,ffi:SDL_SCANCODE_CUT . cut) + (,ffi:SDL_SCANCODE_COPY . copy) + (,ffi:SDL_SCANCODE_PASTE . paste) + (,ffi:SDL_SCANCODE_FIND . find) + (,ffi:SDL_SCANCODE_MUTE . mute) + (,ffi:SDL_SCANCODE_VOLUMEUP . volume-up) + (,ffi:SDL_SCANCODE_VOLUMEDOWN . volume-down) + (,ffi:SDL_SCANCODE_KP_COMMA . keypad-comma) + (,ffi:SDL_SCANCODE_KP_EQUALSAS400 . keypad-equalsas400) + (,ffi:SDL_SCANCODE_INTERNATIONAL1 . international-1) + (,ffi:SDL_SCANCODE_INTERNATIONAL2 . international-2) + (,ffi:SDL_SCANCODE_INTERNATIONAL3 . international-3) + (,ffi:SDL_SCANCODE_INTERNATIONAL4 . international-4) + (,ffi:SDL_SCANCODE_INTERNATIONAL5 . international-5) + (,ffi:SDL_SCANCODE_INTERNATIONAL6 . international-6) + (,ffi:SDL_SCANCODE_INTERNATIONAL7 . international-7) + (,ffi:SDL_SCANCODE_INTERNATIONAL8 . international-8) + (,ffi:SDL_SCANCODE_INTERNATIONAL9 . international-9) + (,ffi:SDL_SCANCODE_LANG1 . lang-1) + (,ffi:SDL_SCANCODE_LANG2 . lang-2) + (,ffi:SDL_SCANCODE_LANG3 . lang-3) + (,ffi:SDL_SCANCODE_LANG4 . lang-4) + (,ffi:SDL_SCANCODE_LANG5 . lang-5) + (,ffi:SDL_SCANCODE_LANG6 . lang-6) + (,ffi:SDL_SCANCODE_LANG7 . lang-7) + (,ffi:SDL_SCANCODE_LANG8 . lang-8) + (,ffi:SDL_SCANCODE_LANG9 . lang-9) + (,ffi:SDL_SCANCODE_ALTERASE . alt-erase) + (,ffi:SDL_SCANCODE_SYSREQ . sysreq) + (,ffi:SDL_SCANCODE_CANCEL . cancel) + (,ffi:SDL_SCANCODE_CLEAR . clear) + (,ffi:SDL_SCANCODE_PRIOR . prior) + (,ffi:SDL_SCANCODE_RETURN2 . return-2) + (,ffi:SDL_SCANCODE_SEPARATOR . separator) + (,ffi:SDL_SCANCODE_OUT . out) + (,ffi:SDL_SCANCODE_OPER . oper) + (,ffi:SDL_SCANCODE_CLEARAGAIN . clear-again) + (,ffi:SDL_SCANCODE_CRSEL . crsel) + (,ffi:SDL_SCANCODE_EXSEL . exsel) + (,ffi:SDL_SCANCODE_KP_00 . keypad-00) + (,ffi:SDL_SCANCODE_KP_000 . keypad-000) + (,ffi:SDL_SCANCODE_THOUSANDSSEPARATOR . thousands-separator) + (,ffi:SDL_SCANCODE_DECIMALSEPARATOR . decimal-separator) + (,ffi:SDL_SCANCODE_CURRENCYUNIT . currency-unit) + (,ffi:SDL_SCANCODE_CURRENCYSUBUNIT . current-subunit) + (,ffi:SDL_SCANCODE_KP_LEFTPAREN . keypad-left-paren) + (,ffi:SDL_SCANCODE_KP_RIGHTPAREN . keypad-right-paren) + (,ffi:SDL_SCANCODE_KP_LEFTBRACE . keypad-left-brace) + (,ffi:SDL_SCANCODE_KP_RIGHTBRACE . keypad-right-brace) + (,ffi:SDL_SCANCODE_KP_TAB . keypad-tab) + (,ffi:SDL_SCANCODE_KP_BACKSPACE . keypad-backspace) + (,ffi:SDL_SCANCODE_KP_A . keypad-a) + (,ffi:SDL_SCANCODE_KP_B . keypad-b) + (,ffi:SDL_SCANCODE_KP_C . keypad-c) + (,ffi:SDL_SCANCODE_KP_D . keypad-d) + (,ffi:SDL_SCANCODE_KP_E . keypad-e) + (,ffi:SDL_SCANCODE_KP_F . keypad-f) + (,ffi:SDL_SCANCODE_KP_XOR . keypad-xor) + (,ffi:SDL_SCANCODE_KP_POWER . keypad-power) + (,ffi:SDL_SCANCODE_KP_PERCENT . keypad-percent) + (,ffi:SDL_SCANCODE_KP_LESS . keypad-less) + (,ffi:SDL_SCANCODE_KP_GREATER . keypad-greater) + (,ffi:SDL_SCANCODE_KP_AMPERSAND . keypad-ampersand) + (,ffi:SDL_SCANCODE_KP_DBLAMPERSAND . keypad-double-ampersand) + (,ffi:SDL_SCANCODE_KP_VERTICALBAR . keypad-vertical-bar) + (,ffi:SDL_SCANCODE_KP_DBLVERTICALBAR . keypad-double-vertical-bar) + (,ffi:SDL_SCANCODE_KP_COLON . keypad-colon) + (,ffi:SDL_SCANCODE_KP_HASH . keypad-hash) + (,ffi:SDL_SCANCODE_KP_SPACE . keypad-space) + (,ffi:SDL_SCANCODE_KP_AT . keypad-at) + (,ffi:SDL_SCANCODE_KP_EXCLAM . keypad-exclam) + (,ffi:SDL_SCANCODE_KP_MEMSTORE . keypad-mem-store) + (,ffi:SDL_SCANCODE_KP_MEMRECALL . keypad-mem-recall) + (,ffi:SDL_SCANCODE_KP_MEMCLEAR . keypad-mem-clear) + (,ffi:SDL_SCANCODE_KP_MEMADD . keypad-mem-add) + (,ffi:SDL_SCANCODE_KP_MEMSUBTRACT . keypadd-mem-subtract) + (,ffi:SDL_SCANCODE_KP_MEMMULTIPLY . keypad-mem-multiply) + (,ffi:SDL_SCANCODE_KP_MEMDIVIDE . keypad-mem-divide) + (,ffi:SDL_SCANCODE_KP_PLUSMINUS . keypad-plus-minus) + (,ffi:SDL_SCANCODE_KP_CLEAR . keypad-clear) + (,ffi:SDL_SCANCODE_KP_CLEARENTRY . keypad-clear-entry) + (,ffi:SDL_SCANCODE_KP_BINARY . keypad-binary) + (,ffi:SDL_SCANCODE_KP_OCTAL . keypad-octal) + (,ffi:SDL_SCANCODE_KP_DECIMAL . keypad-decimal) + (,ffi:SDL_SCANCODE_KP_HEXADECIMAL . keypad-hexadecimal) + (,ffi:SDL_SCANCODE_LCTRL . left-control) + (,ffi:SDL_SCANCODE_LSHIFT . left-shift) + (,ffi:SDL_SCANCODE_LALT . left-alt) + (,ffi:SDL_SCANCODE_LGUI . left-gui) + (,ffi:SDL_SCANCODE_RCTRL . right-control) + (,ffi:SDL_SCANCODE_RSHIFT . right-shift) + (,ffi:SDL_SCANCODE_RALT . right-alt) + (,ffi:SDL_SCANCODE_RGUI . right-cui) + (,ffi:SDL_SCANCODE_MODE . mode) + (,ffi:SDL_SCANCODE_AUDIONEXT . audio-next) + (,ffi:SDL_SCANCODE_AUDIOPREV . audio-prev) + (,ffi:SDL_SCANCODE_AUDIOSTOP . audio-stop) + (,ffi:SDL_SCANCODE_AUDIOPLAY . audio-play) + (,ffi:SDL_SCANCODE_AUDIOMUTE . audio-mute) + (,ffi:SDL_SCANCODE_MEDIASELECT . media-select) + (,ffi:SDL_SCANCODE_WWW . www) + (,ffi:SDL_SCANCODE_MAIL . mail) + (,ffi:SDL_SCANCODE_CALCULATOR . calculator) + (,ffi:SDL_SCANCODE_COMPUTER . computer) + (,ffi:SDL_SCANCODE_AC_SEARCH . ac-search) + (,ffi:SDL_SCANCODE_AC_HOME . ac-home) + (,ffi:SDL_SCANCODE_AC_BACK . ac-back) + (,ffi:SDL_SCANCODE_AC_FORWARD . ac-forward) + (,ffi:SDL_SCANCODE_AC_STOP . ac-stop) + (,ffi:SDL_SCANCODE_AC_REFRESH . ac-refresh) + (,ffi:SDL_SCANCODE_AC_BOOKMARKS . ac-bookmarks) + (,ffi:SDL_SCANCODE_BRIGHTNESSDOWN . brightness-down) + (,ffi:SDL_SCANCODE_BRIGHTNESSUP . brightness-up) + (,ffi:SDL_SCANCODE_DISPLAYSWITCH . display-switch) + (,ffi:SDL_SCANCODE_KBDILLUMTOGGLE . keyboard-illum-toggle) + (,ffi:SDL_SCANCODE_KBDILLUMDOWN . keyboard-illum-down) + (,ffi:SDL_SCANCODE_KBDILLUMUP . keyboard-illum-up) + (,ffi:SDL_SCANCODE_EJECT . eject) + (,ffi:SDL_SCANCODE_SLEEP . sleep) + (,ffi:SDL_SCANCODE_APP1 . app-1) + (,ffi:SDL_SCANCODE_APP2 . app-2)))) + +(define (parse-keyboard-event ptr) + (define types + (list uint32 ; type + uint32 ; timestamp + uint32 ; windowID + uint8 ; state + uint8 ; repeat + uint8 ; padding2 + uint8 ; padding3 + (list int ; scancode + int ; sym + uint16 ; mod + uint32))) ; unused + + (define (mod->list mod) + (fold (lambda (pair prev) + (match pair + ((sym . bit) + (if (zero? (logand mod bit)) + prev + (cons sym prev))))) + '() + `((left-shift . ,ffi:KMOD_LSHIFT) + (right-shift . ,ffi:KMOD_RSHIFT) + (left-control . ,ffi:KMOD_LCTRL) + (right-control . ,ffi:KMOD_RCTRL) + (left-alt . ,ffi:KMOD_LALT) + (right-alt . ,ffi:KMOD_RALT) + (left-gui . ,ffi:KMOD_LGUI) + (right-gui . ,ffi:KMOD_RGUI) + (num-lock . ,ffi:KMOD_NUM) + (caps-lock . ,ffi:KMOD_CAPS) + (alt-gr . ,ffi:KMOD_MODE)))) + + (define (keycode->symbol keycode) + (hash-ref keycode-map keycode)) + + (define (scancode->symbol scancode) + (hash-ref scancode-map scancode)) + + (match (parse-c-struct ptr types) + ((_ timestamp window-id state repeat _ _ (scancode sym mod _)) + (make-keyboard-event timestamp + window-id + (= state ffi:SDL_PRESSED) + repeat + (keycode->symbol sym) + (scancode->symbol scancode) + (mod->list mod))))) + + +;;; +;;; Event management +;;; + +(define (poll-event) + (let* ((e (make-sdl-event)) + (ptr (bytevector->pointer e)) + (result (ffi:sdl-poll-event ptr))) + (and (= result 1) + (let ((type (sdl-event-type e))) + (cond + ((= type ffi:SDL_WINDOWEVENT) + (parse-window-event ptr)) + ((or (= type ffi:SDL_KEYDOWN) + (= type ffi:SDL_KEYUP)) + (parse-keyboard-event ptr)) + (else 'fixme:unsupported-event)))))) |