sdlInput.cpp

  1
  2//-----------------------------------------------------------------------------
  3// Copyright (c) 2012 GarageGames, LLC
  4//
  5// Permission is hereby granted, free of charge, to any person obtaining a copy
  6// of this software and associated documentation files (the "Software"), to
  7// deal in the Software without restriction, including without limitation the
  8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  9// sell copies of the Software, and to permit persons to whom the Software is
 10// furnished to do so, subject to the following conditions:
 11//
 12// The above copyright notice and this permission notice shall be included in
 13// all copies or substantial portions of the Software.
 14//
 15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 21// IN THE SOFTWARE.
 22//-----------------------------------------------------------------------------
 23
 24#include "platform/platformInput.h"
 25#include "console/engineAPI.h"
 26#include "core/util/journal/process.h"
 27#include "windowManager/platformWindowMgr.h"
 28
 29#include "sdlInput.h"
 30#include "platform/platformInput.h"
 31#include "sdlInputManager.h"
 32#include "SDL.h"
 33
 34// Static class variables:
 35InputManager*  Input::smManager = NULL;
 36bool           Input::smActive;
 37U8             Input::smModifierKeys;
 38bool           Input::smLastKeyboardActivated;
 39bool           Input::smLastMouseActivated;
 40bool           Input::smLastJoystickActivated;
 41InputEvent     Input::smInputEvent;
 42
 43static void fillAsciiTable() {}
 44
 45//------------------------------------------------------------------------------
 46//
 47// This function gets the standard ASCII code corresponding to our key code
 48// and the existing modifier key state.
 49//
 50//------------------------------------------------------------------------------
 51struct AsciiData
 52{
 53   struct KeyData
 54   {
 55      U16   ascii;
 56      bool  isDeadChar;
 57   };
 58
 59   KeyData upper;
 60   KeyData lower;
 61   KeyData goofy;
 62};
 63
 64
 65#define NUM_KEYS ( KEY_OEM_102 + 1 )
 66#define KEY_FIRST KEY_ESCAPE
 67
 68//------------------------------------------------------------------------------
 69void Input::init()
 70{
 71   Con::printf( "Input Init:" );
 72
 73   destroy();
 74
 75   smActive = false;
 76   smLastKeyboardActivated = true;
 77   smLastMouseActivated = true;
 78   smLastJoystickActivated = true;
 79
 80   SDL_InitSubSystem( SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER | SDL_INIT_EVENTS );
 81
 82   // Init the current modifier keys
 83   setModifierKeys(0);
 84   fillAsciiTable();
 85   Con::printf( "" );
 86
 87   smManager = new SDLInputManager;
 88   if (smManager)
 89   {
 90      SDLInputManager::init();
 91   }
 92
 93   // Set ourselves to participate in per-frame processing.
 94   Process::notify(Input::process, PROCESS_INPUT_ORDER);
 95
 96}
 97
 98//------------------------------------------------------------------------------
 99U16 Input::getKeyCode( U16 asciiCode )
100{
101    if( asciiCode > 255 )
102        return 0;
103
104    char c[2];
105    c[0]= asciiCode;
106    c[1] = NULL;
107    return KeyMapSDL::getTorqueScanCodeFromSDL( SDL_GetScancodeFromKey( SDL_GetKeyFromName(c) ) );
108}
109
110//------------------------------------------------------------------------------
111U16 Input::getAscii( U16 keyCode, KEY_STATE keyState )
112{
113   if ( keyCode >= NUM_KEYS )
114      return 0;
115
116   U32 SDLKey = KeyMapSDL::getSDLScanCodeFromTorque( keyCode );
117   SDLKey = SDL_GetKeyFromScancode( (SDL_Scancode)SDLKey );
118
119   const char *text = SDL_GetKeyName( SDLKey );
120   if(text[1] != 0)
121      return 0;
122   U8 ret = text[0];
123
124   if( !dIsalpha(ret) )
125      return ret;
126
127   switch ( keyState )
128   {
129      case STATE_LOWER:
130         return dTolower( ret );
131      case STATE_UPPER:
132         return dToupper( ret );
133      case STATE_GOOFY:
134         return 0; // TODO SDL
135      default:
136         return(0);
137
138   }
139}
140
141//------------------------------------------------------------------------------
142void Input::destroy()
143{
144   Process::remove(Input::process);
145
146   SDL_QuitSubSystem( SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER );
147
148   if (smManager)
149   {
150      if (smManager->isEnabled())
151         smManager->disable();
152      delete smManager;
153      smManager = NULL;
154   }
155}
156
157//------------------------------------------------------------------------------
158bool Input::enable()
159{
160   if ( smManager && !smManager->isEnabled() )
161      return( smManager->enable() );
162
163   return( false );
164}
165
166//------------------------------------------------------------------------------
167void Input::disable()
168{
169   if ( smManager && smManager->isEnabled() )
170      smManager->disable();
171}
172
173//------------------------------------------------------------------------------
174
175void Input::activate()
176{
177#ifdef UNICODE
178   //winState.imeHandle = ImmGetContext( getWin32WindowHandle() );
179   //ImmReleaseContext( getWin32WindowHandle(), winState.imeHandle );
180#endif
181
182   if (smManager && !smManager->isEnabled())
183      smManager->enable();
184
185   if ( smManager && smManager->isEnabled() && !smActive )
186   {
187      Con::printf( "Activating Input..." );
188      smActive = true;
189   }
190}
191
192//------------------------------------------------------------------------------
193void Input::deactivate()
194{
195   if (smManager && smManager->isEnabled())
196      smManager->disable();
197
198   if (smActive)
199   {
200      smActive = false;
201      Con::printf( "Input deactivated." );
202   }
203}
204
205//------------------------------------------------------------------------------
206bool Input::isEnabled()
207{
208   if ( smManager )
209      return smManager->isEnabled();
210   return false;
211}
212
213//------------------------------------------------------------------------------
214bool Input::isActive()
215{
216   return smActive;
217}
218
219//------------------------------------------------------------------------------
220void Input::process()
221{
222   if ( smManager && smManager->isEnabled() && smActive )
223      smManager->process();
224}
225
226//------------------------------------------------------------------------------
227InputManager* Input::getManager()
228{
229   return( smManager );
230}
231
232//-----------------------------------------------------------------------------
233// Clipboard functions
234const char* Platform::getClipboard()
235{
236   //note - this function never returns NULL
237   return SDL_HasClipboardText() ? SDL_GetClipboardText() : "";
238}
239
240//-----------------------------------------------------------------------------
241bool Platform::setClipboard(const char *text)
242{
243   if (!text)
244      return false;
245
246   SDL_SetClipboardText(text);
247
248   return true;
249}
250
251
252namespace
253{
254   const int TableSize = 256;
255   U32 SDL_T3D[256];
256   U32 T3D_SDL[256];
257   static bool _buildScanCode = true;
258}
259
260void mapScanCode(U32 sdl, U32 torque)
261{
262   SDL_T3D[sdl] = torque;
263   T3D_SDL[torque] = sdl;
264}
265
266
267
268void buildScanCodeArray()
269{
270   _buildScanCode = false;
271
272   for(int i = 0; i < TableSize; ++i)
273   {
274      SDL_T3D[i] = 0;
275      T3D_SDL[i] = 0;
276   }
277
278   // SDL, Torque
279   mapScanCode(SDL_SCANCODE_A, KEY_A);
280   mapScanCode(SDL_SCANCODE_B, KEY_B);
281   mapScanCode(SDL_SCANCODE_C, KEY_C);
282   mapScanCode(SDL_SCANCODE_D, KEY_D);
283   mapScanCode(SDL_SCANCODE_E, KEY_E);
284   mapScanCode(SDL_SCANCODE_F, KEY_F);
285   mapScanCode(SDL_SCANCODE_G, KEY_G);
286   mapScanCode(SDL_SCANCODE_H, KEY_H);
287   mapScanCode(SDL_SCANCODE_I, KEY_I);
288   mapScanCode(SDL_SCANCODE_J, KEY_J);
289   mapScanCode(SDL_SCANCODE_K, KEY_K);
290   mapScanCode(SDL_SCANCODE_L, KEY_L);
291   mapScanCode(SDL_SCANCODE_M, KEY_M);
292   mapScanCode(SDL_SCANCODE_N, KEY_N);
293   mapScanCode(SDL_SCANCODE_O, KEY_O);
294   mapScanCode(SDL_SCANCODE_P, KEY_P);
295   mapScanCode(SDL_SCANCODE_Q, KEY_Q);
296   mapScanCode(SDL_SCANCODE_R, KEY_R);
297   mapScanCode(SDL_SCANCODE_S, KEY_S);
298   mapScanCode(SDL_SCANCODE_T, KEY_T);
299   mapScanCode(SDL_SCANCODE_U, KEY_U);
300   mapScanCode(SDL_SCANCODE_V, KEY_V);
301   mapScanCode(SDL_SCANCODE_W, KEY_W);
302   mapScanCode(SDL_SCANCODE_X, KEY_X);
303   mapScanCode(SDL_SCANCODE_Y, KEY_Y);
304   mapScanCode(SDL_SCANCODE_Z, KEY_Z);
305
306   mapScanCode(SDL_SCANCODE_1, KEY_1);
307   mapScanCode(SDL_SCANCODE_2, KEY_2);
308   mapScanCode(SDL_SCANCODE_3, KEY_3);
309   mapScanCode(SDL_SCANCODE_4, KEY_4);
310   mapScanCode(SDL_SCANCODE_5, KEY_5);
311   mapScanCode(SDL_SCANCODE_6, KEY_6);
312   mapScanCode(SDL_SCANCODE_7, KEY_7);
313   mapScanCode(SDL_SCANCODE_8, KEY_8);
314   mapScanCode(SDL_SCANCODE_9, KEY_9);
315   mapScanCode(SDL_SCANCODE_0, KEY_0);
316
317   mapScanCode(SDL_SCANCODE_BACKSPACE, KEY_BACKSPACE);
318   mapScanCode(SDL_SCANCODE_TAB, KEY_TAB);
319   mapScanCode(SDL_SCANCODE_RETURN, KEY_RETURN);
320   mapScanCode(SDL_SCANCODE_LCTRL, KEY_CONTROL);
321   mapScanCode(SDL_SCANCODE_RCTRL, KEY_CONTROL);
322   mapScanCode(SDL_SCANCODE_LALT, KEY_ALT);
323   mapScanCode(SDL_SCANCODE_RALT, KEY_ALT);
324   mapScanCode(SDL_SCANCODE_LSHIFT, KEY_SHIFT);
325   mapScanCode(SDL_SCANCODE_RSHIFT, KEY_SHIFT);
326   mapScanCode(SDL_SCANCODE_PAUSE, KEY_PAUSE);
327   mapScanCode(SDL_SCANCODE_CAPSLOCK, KEY_CAPSLOCK);
328   mapScanCode(SDL_SCANCODE_ESCAPE, KEY_ESCAPE);
329   mapScanCode(SDL_SCANCODE_SPACE, KEY_SPACE);
330   mapScanCode(SDL_SCANCODE_PAGEDOWN, KEY_PAGE_DOWN);
331   mapScanCode(SDL_SCANCODE_PAGEUP, KEY_PAGE_UP);
332   mapScanCode(SDL_SCANCODE_END, KEY_END);
333   mapScanCode(SDL_SCANCODE_HOME, KEY_HOME);
334   mapScanCode(SDL_SCANCODE_LEFT, KEY_LEFT);
335   mapScanCode(SDL_SCANCODE_UP, KEY_UP);
336   mapScanCode(SDL_SCANCODE_RIGHT, KEY_RIGHT);
337   mapScanCode(SDL_SCANCODE_DOWN, KEY_DOWN);
338   mapScanCode(SDL_SCANCODE_PRINTSCREEN, KEY_PRINT);
339   mapScanCode(SDL_SCANCODE_INSERT, KEY_INSERT);
340   mapScanCode(SDL_SCANCODE_DELETE, KEY_DELETE);
341   mapScanCode(SDL_SCANCODE_HELP, KEY_HELP);
342
343   mapScanCode(SDL_SCANCODE_GRAVE, KEY_TILDE);
344   mapScanCode(SDL_SCANCODE_MINUS, KEY_MINUS);
345   mapScanCode(SDL_SCANCODE_EQUALS, KEY_EQUALS);
346   mapScanCode(SDL_SCANCODE_LEFTBRACKET, KEY_LBRACKET);
347   mapScanCode(SDL_SCANCODE_RIGHTBRACKET, KEY_RBRACKET);
348   mapScanCode(SDL_SCANCODE_BACKSLASH, KEY_BACKSLASH);
349   mapScanCode(SDL_SCANCODE_SEMICOLON, KEY_SEMICOLON);
350   mapScanCode(SDL_SCANCODE_APOSTROPHE, KEY_APOSTROPHE);
351   mapScanCode(SDL_SCANCODE_COMMA, KEY_COMMA);
352   mapScanCode(SDL_SCANCODE_PERIOD, KEY_PERIOD);
353   mapScanCode(SDL_SCANCODE_SLASH, KEY_SLASH);
354   mapScanCode(SDL_SCANCODE_KP_0, KEY_NUMPAD0);
355   mapScanCode(SDL_SCANCODE_KP_1, KEY_NUMPAD1);
356   mapScanCode(SDL_SCANCODE_KP_2, KEY_NUMPAD2);
357   mapScanCode(SDL_SCANCODE_KP_3, KEY_NUMPAD3);
358   mapScanCode(SDL_SCANCODE_KP_4, KEY_NUMPAD4);
359   mapScanCode(SDL_SCANCODE_KP_5, KEY_NUMPAD5);
360   mapScanCode(SDL_SCANCODE_KP_6, KEY_NUMPAD6);
361   mapScanCode(SDL_SCANCODE_KP_7, KEY_NUMPAD7);
362   mapScanCode(SDL_SCANCODE_KP_8, KEY_NUMPAD8);
363   mapScanCode(SDL_SCANCODE_KP_9, KEY_NUMPAD9);
364   mapScanCode(SDL_SCANCODE_KP_MULTIPLY, KEY_MULTIPLY);
365   mapScanCode(SDL_SCANCODE_KP_PLUS, KEY_ADD);
366   mapScanCode(SDL_SCANCODE_KP_EQUALS, KEY_SEPARATOR);
367   mapScanCode(SDL_SCANCODE_KP_MINUS, KEY_SUBTRACT);
368   mapScanCode(SDL_SCANCODE_KP_PERIOD, KEY_DECIMAL);
369   mapScanCode(SDL_SCANCODE_KP_DIVIDE, KEY_DIVIDE);
370   mapScanCode(SDL_SCANCODE_KP_ENTER, KEY_NUMPADENTER);
371
372   mapScanCode(SDL_SCANCODE_F1, KEY_F1);
373   mapScanCode(SDL_SCANCODE_F2, KEY_F2);
374   mapScanCode(SDL_SCANCODE_F3, KEY_F3);
375   mapScanCode(SDL_SCANCODE_F4, KEY_F4);
376   mapScanCode(SDL_SCANCODE_F5, KEY_F5);
377   mapScanCode(SDL_SCANCODE_F6, KEY_F6);
378   mapScanCode(SDL_SCANCODE_F7, KEY_F7);
379   mapScanCode(SDL_SCANCODE_F8, KEY_F8);
380   mapScanCode(SDL_SCANCODE_F9, KEY_F9);
381   mapScanCode(SDL_SCANCODE_F10, KEY_F10);
382   mapScanCode(SDL_SCANCODE_F11, KEY_F11);
383   mapScanCode(SDL_SCANCODE_F12, KEY_F12);
384   mapScanCode(SDL_SCANCODE_F13, KEY_F13);
385   mapScanCode(SDL_SCANCODE_F14, KEY_F14);
386   mapScanCode(SDL_SCANCODE_F15, KEY_F15);
387   mapScanCode(SDL_SCANCODE_F16, KEY_F16);
388   mapScanCode(SDL_SCANCODE_F17, KEY_F17);
389   mapScanCode(SDL_SCANCODE_F18, KEY_F18);
390   mapScanCode(SDL_SCANCODE_F19, KEY_F19);
391   mapScanCode(SDL_SCANCODE_F20, KEY_F20);
392   mapScanCode(SDL_SCANCODE_F21, KEY_F21);
393   mapScanCode(SDL_SCANCODE_F22, KEY_F22);
394   mapScanCode(SDL_SCANCODE_F23, KEY_F23);
395   mapScanCode(SDL_SCANCODE_F24, KEY_F24);
396
397   //mapScanCode(SDL_SCANCODE_LOCKINGNUMLOCK, KEY_NUMLOCK);
398   //mapScanCode(SDL_SCANCODE_LOCKINGSCROLLLOCK, KEY_SCROLLLOCK);
399   mapScanCode(SDL_SCANCODE_LCTRL, KEY_LCONTROL);
400   mapScanCode(SDL_SCANCODE_RCTRL, KEY_RCONTROL);
401   mapScanCode(SDL_SCANCODE_LALT, KEY_LALT);
402   mapScanCode(SDL_SCANCODE_RALT, KEY_RALT);
403   mapScanCode(SDL_SCANCODE_LSHIFT, KEY_LSHIFT);
404   mapScanCode(SDL_SCANCODE_RSHIFT, KEY_RSHIFT);
405   //mapScanCode(____, KEY_WIN_LWINDOW);
406   //mapScanCode(____, KEY_WIN_RWINDOW);
407   //mapScanCode(____, KEY_WIN_APPS);
408   //mapScanCode(____, KEY_OEM_102);
409
410   //mapScanCode(____, KEY_MAC_OPT);
411   //mapScanCode(____, KEY_MAC_LOPT);
412   //mapScanCode(____, KEY_MAC_ROPT);
413
414   //for(int i = 0; i < 48; ++i)
415   //   mapScanCode(____, KEY_BUTTON0 + i );
416
417   //mapScanCode(____, KEY_ANYKEY);   
418}
419
420U32 KeyMapSDL::getTorqueScanCodeFromSDL(U32 sdl)
421{
422   if(_buildScanCode)
423      buildScanCodeArray();
424
425   return SDL_T3D[sdl];
426}
427
428U32 KeyMapSDL::getSDLScanCodeFromTorque(U32 torque)
429{
430   if(_buildScanCode)
431      buildScanCodeArray();
432
433   return T3D_SDL[torque];
434}
435