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WinRT: minor keyboard code cleanup 

An internally-used hash table was replaced with a plain switch statement.
This commit is contained in:
David Ludwig 2014-10-24 21:25:21 -04:00
parent d5d3721b4d
commit e9c79620df
1 changed files with 38 additions and 42 deletions
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80
src/video/winrt/SDL_winrtkeyboard.cpp
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@ -22,10 +22,6 @@
#if SDL_VIDEO_DRIVER_WINRT
/* Standard C++11 includes */
#include <unordered_map>
/* Windows-specific includes */
#include <Windows.h>
#include <agile.h>
@ -217,45 +213,47 @@ static SDL_Scancode WinRT_Official_Keycodes[] = {
SDL_SCANCODE_AC_HOME // VirtualKey.GoHome -- 172 : The go home key.
};
static std::unordered_map<int, SDL_Scancode> WinRT_Unofficial_Keycodes;
/* Attempt to translate a keycode that isn't listed in WinRT's VirtualKey enum.
*/
static SDL_Scancode
WINRT_TranslateUnofficialKeycode(int keycode)
{
switch (keycode) {
case 173: return SDL_SCANCODE_MUTE;
case 174: return SDL_SCANCODE_VOLUMEDOWN;
case 175: return SDL_SCANCODE_VOLUMEUP;
case 176: return SDL_SCANCODE_AUDIONEXT;
case 177: return SDL_SCANCODE_AUDIOPREV;
// case 178: return ;
case 179: return SDL_SCANCODE_AUDIOPLAY;
case 180: return SDL_SCANCODE_MAIL;
case 181: return SDL_SCANCODE_MEDIASELECT;
// case 182: return ;
case 183: return SDL_SCANCODE_CALCULATOR;
// case 184: return ;
// case 185: return ;
case 186: return SDL_SCANCODE_SEMICOLON;
case 187: return SDL_SCANCODE_EQUALS;
case 188: return SDL_SCANCODE_COMMA;
case 189: return SDL_SCANCODE_MINUS;
case 190: return SDL_SCANCODE_PERIOD;
case 191: return SDL_SCANCODE_SLASH;
case 192: return SDL_SCANCODE_GRAVE;
// ?
// ...
// ?
case 219: return SDL_SCANCODE_LEFTBRACKET;
case 220: return SDL_SCANCODE_BACKSLASH;
case 221: return SDL_SCANCODE_RIGHTBRACKET;
case 222: return SDL_SCANCODE_APOSTROPHE;
default: break;
}
return SDL_SCANCODE_UNKNOWN;
}
static SDL_Scancode
TranslateKeycode(int keycode)
{
if (WinRT_Unofficial_Keycodes.empty()) {
/* Set up a table of keycodes that aren't listed in WinRT's
* VirtualKey enum.
*/
WinRT_Unofficial_Keycodes[173] = SDL_SCANCODE_MUTE;
WinRT_Unofficial_Keycodes[174] = SDL_SCANCODE_VOLUMEDOWN;
WinRT_Unofficial_Keycodes[175] = SDL_SCANCODE_VOLUMEUP;
WinRT_Unofficial_Keycodes[176] = SDL_SCANCODE_AUDIONEXT;
WinRT_Unofficial_Keycodes[177] = SDL_SCANCODE_AUDIOPREV;
// WinRT_Unofficial_Keycodes[178] = ;
WinRT_Unofficial_Keycodes[179] = SDL_SCANCODE_AUDIOPLAY;
WinRT_Unofficial_Keycodes[180] = SDL_SCANCODE_MAIL;
WinRT_Unofficial_Keycodes[181] = SDL_SCANCODE_MEDIASELECT;
// WinRT_Unofficial_Keycodes[182] = ;
WinRT_Unofficial_Keycodes[183] = SDL_SCANCODE_CALCULATOR;
// WinRT_Unofficial_Keycodes[184] = ;
// WinRT_Unofficial_Keycodes[185] = ;
WinRT_Unofficial_Keycodes[186] = SDL_SCANCODE_SEMICOLON;
WinRT_Unofficial_Keycodes[187] = SDL_SCANCODE_EQUALS;
WinRT_Unofficial_Keycodes[188] = SDL_SCANCODE_COMMA;
WinRT_Unofficial_Keycodes[189] = SDL_SCANCODE_MINUS;
WinRT_Unofficial_Keycodes[190] = SDL_SCANCODE_PERIOD;
WinRT_Unofficial_Keycodes[191] = SDL_SCANCODE_SLASH;
WinRT_Unofficial_Keycodes[192] = SDL_SCANCODE_GRAVE;
// ?
// ...
// ?
WinRT_Unofficial_Keycodes[219] = SDL_SCANCODE_LEFTBRACKET;
WinRT_Unofficial_Keycodes[220] = SDL_SCANCODE_BACKSLASH;
WinRT_Unofficial_Keycodes[221] = SDL_SCANCODE_RIGHTBRACKET;
WinRT_Unofficial_Keycodes[222] = SDL_SCANCODE_APOSTROPHE;
}
/* Try to get a documented, WinRT, 'VirtualKey' first (as documented at
http://msdn.microsoft.com/en-us/library/windows/apps/windows.system.virtualkey.aspx ).
If that fails, fall back to a Win32 virtual key.
@ -267,9 +265,7 @@ TranslateKeycode(int keycode)
scancode = WinRT_Official_Keycodes[keycode];
}
if (scancode == SDL_SCANCODE_UNKNOWN) {
if (WinRT_Unofficial_Keycodes.find(keycode) != WinRT_Unofficial_Keycodes.end()) {
scancode = WinRT_Unofficial_Keycodes[keycode];
}
scancode = WINRT_TranslateUnofficialKeycode(keycode);
}
if (scancode == SDL_SCANCODE_UNKNOWN) {
SDL_Log("WinRT TranslateKeycode, unknown keycode=%d\n", (int)keycode);