1 /*

     2     SDL - Simple DirectMedia Layer

     3     Copyright (C) 1997-2006 Sam Lantinga

     4 

     5     This library is free software; you can redistribute it and/or

     6     modify it under the terms of the GNU Lesser General Public

     7     License as published by the Free Software Foundation; either

     8     version 2.1 of the License, or (at your option) any later version.

     9 

    10     This library is distributed in the hope that it will be useful,

    11     but WITHOUT ANY WARRANTY; without even the implied warranty of

    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13     Lesser General Public License for more details.

    14 

    15     You should have received a copy of the GNU Lesser General Public

    16     License along with this library; if not, write to the Free Software

    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    18 

    19     Sam Lantinga

    20     slouken@libsdl.org

    21 

    22     Micah Dowty

    23     micahjd@users.sourceforge.net

    24 */

    25 #include "SDL_config.h"

    26 

    27 #include "SDL.h"

    28 #include "../../events/SDL_sysevents.h"

    29 #include "../../events/SDL_events_c.h"

    30 #include "SDL_pgvideo.h"

    31 #include "SDL_pgevents_c.h"

    32 

    33 int PG_HandleClose(struct pgEvent *evt)

    34 {

    35         SDL_PrivateQuit();

    36 	return 1;               /* Intercept the event's normal quit handling */

    37 }

    38 

    39 int PG_HandleResize(struct pgEvent *evt)

    40 {

    41         SDL_PrivateResize(evt->e.size.w, evt->e.size.h);

    42 	return 0;

    43 }

    44 

    45 int PG_HandleKey(struct pgEvent *evt)

    46 {

    47         SDL_keysym sym;

    48 	SDL_memset(&sym,0,sizeof(sym));

    49 	sym.sym = evt->e.kbd.key;

    50 	sym.mod = evt->e.kbd.mods;

    51         SDL_PrivateKeyboard(evt->type == PG_WE_KBD_KEYDOWN, &sym);

    52 	return 0;

    53 }

    54 

    55 int PG_HandleChar(struct pgEvent *evt)

    56 {

    57         SDL_keysym sym;

    58 	SDL_memset(&sym,0,sizeof(sym));

    59 	sym.unicode = evt->e.kbd.key;

    60 	sym.mod = evt->e.kbd.mods;

    61         SDL_PrivateKeyboard(evt->type == PG_WE_KBD_KEYDOWN, &sym);

    62 	return 0;

    63 }

    64 

    65 int PG_HandleMouseButton(struct pgEvent *evt)

    66 {        

    67         /* We need to focus the canvas when it's clicked */

    68         if (evt->extra) {

    69 	        SDL_VideoDevice *this = (SDL_VideoDevice *) evt->extra;

    70 		pgFocus(this->hidden->wCanvas);

    71 	}

    72         SDL_PrivateMouseButton(evt->type == PG_WE_PNTR_DOWN, evt->e.pntr.chbtn,

    73 			       evt->e.pntr.x, evt->e.pntr.y);

    74 	return 0;

    75 }

    76 

    77 int PG_HandleMouseMotion(struct pgEvent *evt)

    78 {

    79         SDL_PrivateMouseMotion(evt->e.pntr.btn,0,evt->e.pntr.x, evt->e.pntr.y);

    80 	return 0;

    81 }

    82 

    83 void PG_PumpEvents(_THIS)

    84 {

    85         /* Process all pending events */

    86         pgEventPoll();

    87 }

    88 

    89 void PG_InitOSKeymap(_THIS)

    90 {

    91         /* We need no keymap */

    92 }

    93 

    94 void PG_InitEvents(_THIS)

    95 {

    96         /* Turn on all the mouse and keyboard triggers for our canvas, normally less important

    97 	 * events like mouse movement are ignored to save bandwidth. */

    98         pgSetWidget(this->hidden->wCanvas, PG_WP_TRIGGERMASK, 

    99 		    pgGetWidget(this->hidden->wCanvas, PG_WP_TRIGGERMASK) |

   100 		    PG_TRIGGER_UP | PG_TRIGGER_DOWN | PG_TRIGGER_MOVE |

   101 		    PG_TRIGGER_KEYUP | PG_TRIGGER_KEYDOWN | PG_TRIGGER_CHAR,0);

   102 

   103 	/* Start our canvas out focused, so we get keyboard input */

   104 	pgFocus(this->hidden->wCanvas);

   105 

   106         /* Set up bindings for all the above event handlers */

   107         pgBind(this->hidden->wApp,    PG_WE_CLOSE, &PG_HandleClose, NULL);

   108         pgBind(this->hidden->wCanvas, PG_WE_BUILD, &PG_HandleResize, NULL);

   109         pgBind(this->hidden->wCanvas, PG_WE_KBD_CHAR, &PG_HandleChar, NULL);

   110         pgBind(this->hidden->wCanvas, PG_WE_KBD_KEYUP, &PG_HandleKey, NULL);

   111         pgBind(this->hidden->wCanvas, PG_WE_KBD_KEYDOWN, &PG_HandleKey, NULL);

   112         pgBind(this->hidden->wCanvas, PG_WE_PNTR_MOVE, &PG_HandleMouseMotion, NULL);

   113         pgBind(this->hidden->wCanvas, PG_WE_PNTR_UP, &PG_HandleMouseButton, NULL);

   114         pgBind(this->hidden->wCanvas, PG_WE_PNTR_DOWN, &PG_HandleMouseButton, this);

   115 }

   116 

   117 /* end of SDL_pgevents.c ... */