Fresh start

1 files changed, 234 insertions, 0 deletions

diff --git a/jni/mkxp.win32-binding.cpp b/jni/mkxp.win32-binding.cpp
new file mode 100644
index 0000000..10da51d
--- /dev/null
+++ b/jni/mkxp.win32-binding.cpp
@@ -0,0 +1,234 @@
+#include <SDL.h>
+
+typedef int32_t LPARAM;
+typedef uint32_t WPARAM;
+#include "jni/SDL/src/video/windows/SDL_vkeys.h"
+#include "jni/SDL/src/events/scancodes_windows.h"
+
+#include "binding-util.h"
+
+// generated with:
+// curl -s 'https://docs.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes?redirectedfrom=MSDN' | \
+//          grep -Eo '<strong>VK_.*</strong>.*<dt>0x[A-Z0-9]+</dt>' | perl -pe 's/<.*?>//g' | sed 's/^/#define /'
+#define VK_LBUTTON 0x01
+#define VK_RBUTTON 0x02
+#define VK_CANCEL 0x03
+#define VK_MBUTTON 0x04
+#define VK_XBUTTON1 0x05
+#define VK_XBUTTON2 0x06
+#define VK_BACK 0x08
+#define VK_TAB 0x09
+#define VK_CLEAR 0x0C
+#define VK_RETURN 0x0D
+#define VK_SHIFT 0x10
+#define VK_CONTROL 0x11
+#define VK_MENU 0x12
+#define VK_PAUSE 0x13
+#define VK_CAPITAL 0x14
+#define VK_KANA 0x15
+#define VK_HANGUEL 0x15
+#define VK_HANGUL 0x15
+#define VK_IME_ON 0x16
+#define VK_JUNJA 0x17
+#define VK_FINAL 0x18
+#define VK_HANJA 0x19
+#define VK_KANJI 0x19
+#define VK_IME_OFF 0x1A
+#define VK_ESCAPE 0x1B
+#define VK_CONVERT 0x1C
+#define VK_NONCONVERT 0x1D
+#define VK_ACCEPT 0x1E
+#define VK_MODECHANGE 0x1F
+#define VK_SPACE 0x20
+#define VK_PRIOR 0x21
+#define VK_NEXT 0x22
+#define VK_END 0x23
+#define VK_HOME 0x24
+#define VK_LEFT 0x25
+#define VK_UP 0x26
+#define VK_RIGHT 0x27
+#define VK_DOWN 0x28
+#define VK_SELECT 0x29
+#define VK_PRINT 0x2A
+#define VK_EXECUTE 0x2B
+#define VK_SNAPSHOT 0x2C
+#define VK_INSERT 0x2D
+#define VK_DELETE 0x2E
+#define VK_HELP 0x2F
+#define VK_LWIN 0x5B
+#define VK_RWIN 0x5C
+#define VK_APPS 0x5D
+#define VK_SLEEP 0x5F
+#define VK_NUMPAD0 0x60
+#define VK_NUMPAD1 0x61
+#define VK_NUMPAD2 0x62
+#define VK_NUMPAD3 0x63
+#define VK_NUMPAD4 0x64
+#define VK_NUMPAD5 0x65
+#define VK_NUMPAD6 0x66
+#define VK_NUMPAD7 0x67
+#define VK_NUMPAD8 0x68
+#define VK_NUMPAD9 0x69
+#define VK_MULTIPLY 0x6A
+#define VK_ADD 0x6B
+#define VK_SEPARATOR 0x6C
+#define VK_SUBTRACT 0x6D
+#define VK_DECIMAL 0x6E
+#define VK_DIVIDE 0x6F
+#define VK_F1 0x70
+#define VK_F2 0x71
+#define VK_F3 0x72
+#define VK_F4 0x73
+#define VK_F5 0x74
+#define VK_F6 0x75
+#define VK_F7 0x76
+#define VK_F8 0x77
+#define VK_F9 0x78
+#define VK_F10 0x79
+#define VK_F11 0x7A
+#define VK_F12 0x7B
+#define VK_F13 0x7C
+#define VK_F14 0x7D
+#define VK_F15 0x7E
+#define VK_F16 0x7F
+#define VK_F17 0x80
+#define VK_F18 0x81
+#define VK_F19 0x82
+#define VK_F20 0x83
+#define VK_F21 0x84
+#define VK_F22 0x85
+#define VK_F23 0x86
+#define VK_F24 0x87
+#define VK_NUMLOCK 0x90
+#define VK_SCROLL 0x91
+#define VK_LSHIFT 0xA0
+#define VK_RSHIFT 0xA1
+#define VK_LCONTROL 0xA2
+#define VK_RCONTROL 0xA3
+#define VK_LMENU 0xA4
+#define VK_RMENU 0xA5
+#define VK_BROWSER_BACK 0xA6
+#define VK_BROWSER_FORWARD 0xA7
+#define VK_BROWSER_REFRESH 0xA8
+#define VK_BROWSER_STOP 0xA9
+#define VK_BROWSER_SEARCH 0xAA
+#define VK_BROWSER_FAVORITES 0xAB
+#define VK_BROWSER_HOME 0xAC
+#define VK_VOLUME_MUTE 0xAD
+#define VK_VOLUME_DOWN 0xAE
+#define VK_VOLUME_UP 0xAF
+#define VK_MEDIA_NEXT_TRACK 0xB0
+#define VK_MEDIA_PREV_TRACK 0xB1
+#define VK_MEDIA_STOP 0xB2
+#define VK_MEDIA_PLAY_PAUSE 0xB3
+#define VK_LAUNCH_MAIL 0xB4
+#define VK_LAUNCH_MEDIA_SELECT 0xB5
+#define VK_LAUNCH_APP1 0xB6
+#define VK_LAUNCH_APP2 0xB7
+#define VK_OEM_1 0xBA
+#define VK_OEM_PLUS 0xBB
+#define VK_OEM_COMMA 0xBC
+#define VK_OEM_MINUS 0xBD
+#define VK_OEM_PERIOD 0xBE
+#define VK_OEM_2 0xBF
+#define VK_OEM_3 0xC0
+#define VK_OEM_4 0xDB
+#define VK_OEM_5 0xDC
+#define VK_OEM_6 0xDD
+#define VK_OEM_7 0xDE
+#define VK_OEM_8 0xDF
+#define VK_OEM_102 0xE2
+#define VK_PROCESSKEY 0xE5
+#define VK_PACKET 0xE7
+#define VK_ATTN 0xF6
+#define VK_CRSEL 0xF7
+#define VK_EXSEL 0xF8
+#define VK_EREOF 0xF9
+#define VK_PLAY 0xFA
+#define VK_ZOOM 0xFB
+#define VK_NONAME 0xFC
+#define VK_PA1 0xFD
+#define VK_OEM_CLEAR 0xFE
+
+// not on the website above
+#define VK_OEM_NEC_EQUAL 0x92
+
+static WPARAM
+sdl_scancode_to_vkey(SDL_Scancode scancode)
+{
+    switch (scancode) {
+       case SDL_SCANCODE_LEFT: return VK_LEFT;
+       case SDL_SCANCODE_UP: return VK_UP;
+       case SDL_SCANCODE_RIGHT: return VK_RIGHT;
+       case SDL_SCANCODE_DOWN: return VK_DOWN;
+       case SDL_SCANCODE_MODE: return VK_MODECHANGE;
+       case SDL_SCANCODE_SELECT: return VK_SELECT;
+       case SDL_SCANCODE_EXECUTE: return VK_EXECUTE;
+       case SDL_SCANCODE_HELP: return VK_HELP;
+       case SDL_SCANCODE_PAUSE: return VK_PAUSE;
+       case SDL_SCANCODE_NUMLOCKCLEAR: return VK_NUMLOCK;
+       case SDL_SCANCODE_F13: return VK_F13;
+       case SDL_SCANCODE_F14: return VK_F14;
+       case SDL_SCANCODE_F15: return VK_F15;
+       case SDL_SCANCODE_F16: return VK_F16;
+       case SDL_SCANCODE_F17: return VK_F17;
+       case SDL_SCANCODE_F18: return VK_F18;
+       case SDL_SCANCODE_F19: return VK_F19;
+       case SDL_SCANCODE_F20: return VK_F20;
+       case SDL_SCANCODE_F21: return VK_F21;
+       case SDL_SCANCODE_F22: return VK_F22;
+       case SDL_SCANCODE_F23: return VK_F23;
+       case SDL_SCANCODE_F24: return VK_F24;
+       case SDL_SCANCODE_KP_EQUALS: return VK_OEM_NEC_EQUAL;
+       case SDL_SCANCODE_AC_BACK: return VK_BROWSER_BACK;
+       case SDL_SCANCODE_AC_FORWARD: return VK_BROWSER_FORWARD;
+       case SDL_SCANCODE_AC_REFRESH: return VK_BROWSER_REFRESH;
+       case SDL_SCANCODE_AC_STOP: return VK_BROWSER_STOP;
+       case SDL_SCANCODE_AC_SEARCH: return VK_BROWSER_SEARCH;
+       case SDL_SCANCODE_AC_BOOKMARKS: return VK_BROWSER_FAVORITES;
+       case SDL_SCANCODE_AC_HOME: return VK_BROWSER_HOME;
+       case SDL_SCANCODE_AUDIOMUTE: return VK_VOLUME_MUTE;
+       case SDL_SCANCODE_VOLUMEDOWN: return VK_VOLUME_DOWN;
+       case SDL_SCANCODE_VOLUMEUP: return VK_VOLUME_UP;
+       case SDL_SCANCODE_AUDIONEXT: return VK_MEDIA_NEXT_TRACK;
+       case SDL_SCANCODE_AUDIOPREV: return VK_MEDIA_PREV_TRACK;
+       case SDL_SCANCODE_AUDIOSTOP: return VK_MEDIA_STOP;
+       case SDL_SCANCODE_AUDIOPLAY: return VK_MEDIA_PLAY_PAUSE;
+       case SDL_SCANCODE_MAIL: return VK_LAUNCH_MAIL;
+       case SDL_SCANCODE_MEDIASELECT: return VK_LAUNCH_MEDIA_SELECT;
+       case SDL_SCANCODE_NONUSBACKSLASH: return VK_OEM_102;
+       case SDL_SCANCODE_SYSREQ: return VK_ATTN;
+       case SDL_SCANCODE_CRSEL: return VK_CRSEL;
+       case SDL_SCANCODE_EXSEL: return VK_EXSEL;
+       case SDL_SCANCODE_CLEAR: return VK_OEM_CLEAR;
+       case SDL_SCANCODE_APP1: return VK_LAUNCH_APP1;
+       case SDL_SCANCODE_APP2: return VK_LAUNCH_APP2;
+       default: break;
+    }
+
+    for (size_t i = 0; i < sizeof(windows_scancode_table) / sizeof(windows_scancode_table); ++i)
+       if (windows_scancode_table[i] == scancode) return i;
+    return 0;
+}
+
+RB_METHOD(user32_GetKeyboardState) {
+   char *bytes;
+   rb_get_args(argc, argv, "z", &bytes RB_ARG_END);
+
+   int numKeys;
+   const Uint8 *state = SDL_GetKeyboardState(&numKeys);
+   for (int i = 0; i < numKeys; ++i) {
+      WPARAM vkey = sdl_scancode_to_vkey(static_cast<SDL_Scancode>(i));
+      assert(vkey < 256);
+      bytes[vkey] = (state[i] ? -1 : 0);
+   }
+
+   return rb_fix_new(!!numKeys);
+}
+
+void
+win32BindingInit(void)
+{
+   VALUE module = rb_define_module("Win32NativeAPI");
+   _rb_define_module_function(module, "user32_GetKeyboardState", user32_GetKeyboardState);
+}