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prefer virtual keycodes over scancodes for extended keys
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ouned committed Jun 3, 2017
1 parent 195b8bd commit 34769ab
Showing 1 changed file with 78 additions and 66 deletions.
144 changes: 78 additions & 66 deletions src/video/windows/SDL_windowsevents.c
Expand Up @@ -81,6 +81,64 @@
#define WM_UNICHAR 0x0109
#endif

static SDL_Scancode
VKeytoScancode(WPARAM vkey)
{
switch (vkey) {
case VK_CLEAR: return SDL_SCANCODE_CLEAR;
case VK_MODECHANGE: return SDL_SCANCODE_MODE;
case VK_SELECT: return SDL_SCANCODE_SELECT;
case VK_EXECUTE: return SDL_SCANCODE_EXECUTE;
case VK_HELP: return SDL_SCANCODE_HELP;
case VK_PAUSE: return SDL_SCANCODE_PAUSE;
case VK_NUMLOCK: return SDL_SCANCODE_NUMLOCKCLEAR;

case VK_F13: return SDL_SCANCODE_F13;
case VK_F14: return SDL_SCANCODE_F14;
case VK_F15: return SDL_SCANCODE_F15;
case VK_F16: return SDL_SCANCODE_F16;
case VK_F17: return SDL_SCANCODE_F17;
case VK_F18: return SDL_SCANCODE_F18;
case VK_F19: return SDL_SCANCODE_F19;
case VK_F20: return SDL_SCANCODE_F20;
case VK_F21: return SDL_SCANCODE_F21;
case VK_F22: return SDL_SCANCODE_F22;
case VK_F23: return SDL_SCANCODE_F23;
case VK_F24: return SDL_SCANCODE_F24;

case VK_OEM_NEC_EQUAL: return SDL_SCANCODE_KP_EQUALS;
case VK_BROWSER_BACK: return SDL_SCANCODE_AC_BACK;
case VK_BROWSER_FORWARD: return SDL_SCANCODE_AC_FORWARD;
case VK_BROWSER_REFRESH: return SDL_SCANCODE_AC_REFRESH;
case VK_BROWSER_STOP: return SDL_SCANCODE_AC_STOP;
case VK_BROWSER_SEARCH: return SDL_SCANCODE_AC_SEARCH;
case VK_BROWSER_FAVORITES: return SDL_SCANCODE_AC_BOOKMARKS;
case VK_BROWSER_HOME: return SDL_SCANCODE_AC_HOME;
case VK_VOLUME_MUTE: return SDL_SCANCODE_AUDIOMUTE;
case VK_VOLUME_DOWN: return SDL_SCANCODE_VOLUMEDOWN;
case VK_VOLUME_UP: return SDL_SCANCODE_VOLUMEUP;

case VK_MEDIA_NEXT_TRACK: return SDL_SCANCODE_AUDIONEXT;
case VK_MEDIA_PREV_TRACK: return SDL_SCANCODE_AUDIOPREV;
case VK_MEDIA_STOP: return SDL_SCANCODE_AUDIOSTOP;
case VK_MEDIA_PLAY_PAUSE: return SDL_SCANCODE_AUDIOPLAY;
case VK_LAUNCH_MAIL: return SDL_SCANCODE_MAIL;
case VK_LAUNCH_MEDIA_SELECT: return SDL_SCANCODE_MEDIASELECT;

case VK_OEM_102: return SDL_SCANCODE_NONUSBACKSLASH;

case VK_ATTN: return SDL_SCANCODE_SYSREQ;
case VK_CRSEL: return SDL_SCANCODE_CRSEL;
case VK_EXSEL: return SDL_SCANCODE_EXSEL;
case VK_OEM_CLEAR: return SDL_SCANCODE_CLEAR;

case VK_LAUNCH_APP1: return SDL_SCANCODE_APP1;
case VK_LAUNCH_APP2: return SDL_SCANCODE_APP2;

default: return SDL_SCANCODE_UNKNOWN;
}
}

static SDL_Scancode
WindowsScanCodeToSDLScanCode(LPARAM lParam, WPARAM wParam)
{
Expand All @@ -90,59 +148,7 @@ WindowsScanCodeToSDLScanCode(LPARAM lParam, WPARAM wParam)

/* 0x45 here to work around both pause and numlock sharing the same scancode, so use the VK key to tell them apart */
if (nScanCode == 0 || nScanCode == 0x45) {
switch(wParam) {
case VK_CLEAR: return SDL_SCANCODE_CLEAR;
case VK_MODECHANGE: return SDL_SCANCODE_MODE;
case VK_SELECT: return SDL_SCANCODE_SELECT;
case VK_EXECUTE: return SDL_SCANCODE_EXECUTE;
case VK_HELP: return SDL_SCANCODE_HELP;
case VK_PAUSE: return SDL_SCANCODE_PAUSE;
case VK_NUMLOCK: return SDL_SCANCODE_NUMLOCKCLEAR;

case VK_F13: return SDL_SCANCODE_F13;
case VK_F14: return SDL_SCANCODE_F14;
case VK_F15: return SDL_SCANCODE_F15;
case VK_F16: return SDL_SCANCODE_F16;
case VK_F17: return SDL_SCANCODE_F17;
case VK_F18: return SDL_SCANCODE_F18;
case VK_F19: return SDL_SCANCODE_F19;
case VK_F20: return SDL_SCANCODE_F20;
case VK_F21: return SDL_SCANCODE_F21;
case VK_F22: return SDL_SCANCODE_F22;
case VK_F23: return SDL_SCANCODE_F23;
case VK_F24: return SDL_SCANCODE_F24;

case VK_OEM_NEC_EQUAL: return SDL_SCANCODE_KP_EQUALS;
case VK_BROWSER_BACK: return SDL_SCANCODE_AC_BACK;
case VK_BROWSER_FORWARD: return SDL_SCANCODE_AC_FORWARD;
case VK_BROWSER_REFRESH: return SDL_SCANCODE_AC_REFRESH;
case VK_BROWSER_STOP: return SDL_SCANCODE_AC_STOP;
case VK_BROWSER_SEARCH: return SDL_SCANCODE_AC_SEARCH;
case VK_BROWSER_FAVORITES: return SDL_SCANCODE_AC_BOOKMARKS;
case VK_BROWSER_HOME: return SDL_SCANCODE_AC_HOME;
case VK_VOLUME_MUTE: return SDL_SCANCODE_AUDIOMUTE;
case VK_VOLUME_DOWN: return SDL_SCANCODE_VOLUMEDOWN;
case VK_VOLUME_UP: return SDL_SCANCODE_VOLUMEUP;

case VK_MEDIA_NEXT_TRACK: return SDL_SCANCODE_AUDIONEXT;
case VK_MEDIA_PREV_TRACK: return SDL_SCANCODE_AUDIOPREV;
case VK_MEDIA_STOP: return SDL_SCANCODE_AUDIOSTOP;
case VK_MEDIA_PLAY_PAUSE: return SDL_SCANCODE_AUDIOPLAY;
case VK_LAUNCH_MAIL: return SDL_SCANCODE_MAIL;
case VK_LAUNCH_MEDIA_SELECT: return SDL_SCANCODE_MEDIASELECT;

case VK_OEM_102: return SDL_SCANCODE_NONUSBACKSLASH;

case VK_ATTN: return SDL_SCANCODE_SYSREQ;
case VK_CRSEL: return SDL_SCANCODE_CRSEL;
case VK_EXSEL: return SDL_SCANCODE_EXSEL;
case VK_OEM_CLEAR: return SDL_SCANCODE_CLEAR;

case VK_LAUNCH_APP1: return SDL_SCANCODE_APP1;
case VK_LAUNCH_APP2: return SDL_SCANCODE_APP2;

default: return SDL_SCANCODE_UNKNOWN;
}
return VKeytoScancode(wParam);
}

if (nScanCode > 127)
Expand Down Expand Up @@ -178,20 +184,26 @@ WindowsScanCodeToSDLScanCode(LPARAM lParam, WPARAM wParam)
default:
break;
}
/* prefer virtual keycodes over scancodes for extended keys */
} else {
switch (code) {
case SDL_SCANCODE_RETURN:
return SDL_SCANCODE_KP_ENTER;
case SDL_SCANCODE_LALT:
return SDL_SCANCODE_RALT;
case SDL_SCANCODE_LCTRL:
return SDL_SCANCODE_RCTRL;
case SDL_SCANCODE_SLASH:
return SDL_SCANCODE_KP_DIVIDE;
case SDL_SCANCODE_CAPSLOCK:
return SDL_SCANCODE_KP_PLUS;
default:
break;
SDL_Scancode vc = VKeytoScancode(wParam);
if (vc != SDL_SCANCODE_UNKNOWN) {
code = vc;
} else {
switch (code) {
case SDL_SCANCODE_RETURN:
return SDL_SCANCODE_KP_ENTER;
case SDL_SCANCODE_LALT:
return SDL_SCANCODE_RALT;
case SDL_SCANCODE_LCTRL:
return SDL_SCANCODE_RCTRL;
case SDL_SCANCODE_SLASH:
return SDL_SCANCODE_KP_DIVIDE;
case SDL_SCANCODE_CAPSLOCK:
return SDL_SCANCODE_KP_PLUS;
default:
break;
}
}
}

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