1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2012 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 #include "SDL_config.h"
23
24 /* Handle the event stream, converting AA events into SDL events */
25
26 #include <stdio.h>
27
28 #include <aalib.h>
29
30 #include "SDL.h"
31 #include "../../events/SDL_sysevents.h"
32 #include "../../events/SDL_events_c.h"
33 #include "SDL_aavideo.h"
34 #include "SDL_aaevents_c.h"
35
36 /* The translation tables from a console scancode to a SDL keysym */
37 static SDLKey keymap[401];
38
39 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);
40
41
AA_PumpEvents(_THIS)42 void AA_PumpEvents(_THIS)
43 {
44 int posted = 0;
45 int mouse_button, mouse_x, mouse_y;
46 int evt;
47 SDL_keysym keysym;
48
49 static int prev_button = -1, prev_x = -1, prev_y = -1;
50
51 if( ! this->screen ) /* Wait till we got the screen initialized */
52 return;
53
54 do {
55 posted = 0;
56 /* Gather events */
57
58 /* Get mouse status */
59 SDL_mutexP(AA_mutex);
60 aa_getmouse (AA_context, &mouse_x, &mouse_y, &mouse_button);
61 SDL_mutexV(AA_mutex);
62 mouse_x = mouse_x * this->screen->w / aa_scrwidth (AA_context);
63 mouse_y = mouse_y * this->screen->h / aa_scrheight (AA_context);
64
65 /* Compare against previous state and generate events */
66 if( prev_button != mouse_button ) {
67 if( mouse_button & AA_BUTTON1 ) {
68 if ( ! (prev_button & AA_BUTTON1) ) {
69 posted += SDL_PrivateMouseButton(SDL_PRESSED, 1, 0, 0);
70 }
71 } else {
72 if ( prev_button & AA_BUTTON1 ) {
73 posted += SDL_PrivateMouseButton(SDL_RELEASED, 1, 0, 0);
74 }
75 }
76 if( mouse_button & AA_BUTTON2 ) {
77 if ( ! (prev_button & AA_BUTTON2) ) {
78 posted += SDL_PrivateMouseButton(SDL_PRESSED, 2, 0, 0);
79 }
80 } else {
81 if ( prev_button & AA_BUTTON2 ) {
82 posted += SDL_PrivateMouseButton(SDL_RELEASED, 2, 0, 0);
83 }
84 }
85 if( mouse_button & AA_BUTTON3 ) {
86 if ( ! (prev_button & AA_BUTTON3) ) {
87 posted += SDL_PrivateMouseButton(SDL_PRESSED, 3, 0, 0);
88 }
89 } else {
90 if ( prev_button & AA_BUTTON3 ) {
91 posted += SDL_PrivateMouseButton(SDL_RELEASED, 3, 0, 0);
92 }
93 }
94 }
95 if ( prev_x != mouse_x || prev_y != mouse_y ) {
96 posted += SDL_PrivateMouseMotion(0, 0, mouse_x, mouse_y);
97 }
98
99 prev_button = mouse_button;
100 prev_x = mouse_x; prev_y = mouse_y;
101
102 /* Get keyboard event */
103 SDL_mutexP(AA_mutex);
104 evt = aa_getevent(AA_context, 0);
105 SDL_mutexV(AA_mutex);
106 if ( (evt > AA_NONE) && (evt < AA_RELEASE) && (evt != AA_MOUSE) && (evt != AA_RESIZE) ) {
107 /* Key pressed */
108 /* printf("Key pressed: %d (%c)\n", evt, evt); */
109 posted += SDL_PrivateKeyboard(SDL_PRESSED, TranslateKey(evt, &keysym));
110 } else if ( evt >= AA_RELEASE ) {
111 /* Key released */
112 evt &= ~AA_RELEASE;
113 /* printf("Key released: %d (%c)\n", evt, evt); */
114 posted += SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(evt, &keysym));
115 }
116 } while ( posted );
117 }
118
AA_InitOSKeymap(_THIS)119 void AA_InitOSKeymap(_THIS)
120 {
121 int i;
122 static const char *std_keys = " 01234567890&#'()_-|$*+-=/\\:;.,!?<>{}[]@~%^\x9";
123 const char *std;
124
125 /* Initialize the AAlib key translation table */
126 for ( i=0; i<SDL_arraysize(keymap); ++i )
127 keymap[i] = SDLK_UNKNOWN;
128
129 /* Alphabet keys */
130 for ( i = 0; i<26; ++i ){
131 keymap['a' + i] = SDLK_a+i;
132 keymap['A' + i] = SDLK_a+i;
133 }
134 /* Function keys */
135 for ( i = 0; i<12; ++i ){
136 keymap[334 + i] = SDLK_F1+i;
137 }
138 /* Keys that have the same symbols and don't have to be translated */
139 for( std = std_keys; *std; std ++ ) {
140 keymap[*std] = *std;
141 }
142
143 keymap[13] = SDLK_RETURN;
144 keymap[AA_BACKSPACE] = SDLK_BACKSPACE;
145
146 keymap[369] = SDLK_LSHIFT;
147 keymap[370] = SDLK_RSHIFT;
148 keymap[371] = SDLK_LCTRL;
149 keymap[372] = SDLK_RCTRL;
150 keymap[377] = SDLK_LALT;
151 keymap[270] = SDLK_RALT;
152 keymap[271] = SDLK_NUMLOCK;
153 keymap[373] = SDLK_CAPSLOCK;
154 keymap[164] = SDLK_SCROLLOCK;
155
156 keymap[243] = SDLK_INSERT;
157 keymap[304] = SDLK_DELETE;
158 keymap[224] = SDLK_HOME;
159 keymap[231] = SDLK_END;
160 keymap[229] = SDLK_PAGEUP;
161 keymap[230] = SDLK_PAGEDOWN;
162
163 keymap[241] = SDLK_PRINT;
164 keymap[163] = SDLK_BREAK;
165
166 keymap[302] = SDLK_KP0;
167 keymap[300] = SDLK_KP1;
168 keymap[297] = SDLK_KP2;
169 keymap[299] = SDLK_KP3;
170 keymap[294] = SDLK_KP4;
171 keymap[301] = SDLK_KP5;
172 keymap[296] = SDLK_KP6;
173 keymap[293] = SDLK_KP7;
174 keymap[295] = SDLK_KP8;
175 keymap[298] = SDLK_KP9;
176
177 keymap[AA_ESC] = SDLK_ESCAPE;
178 keymap[AA_UP] = SDLK_UP;
179 keymap[AA_DOWN] = SDLK_DOWN;
180 keymap[AA_LEFT] = SDLK_LEFT;
181 keymap[AA_RIGHT] = SDLK_RIGHT;
182 }
183
TranslateKey(int scancode,SDL_keysym * keysym)184 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
185 {
186 /* Sanity check */
187 if ( scancode >= SDL_arraysize(keymap) )
188 scancode = AA_UNKNOWN;
189
190 /* Set the keysym information */
191 keysym->scancode = scancode;
192 keysym->sym = keymap[scancode];
193 keysym->mod = KMOD_NONE;
194
195 /* If UNICODE is on, get the UNICODE value for the key */
196 keysym->unicode = 0;
197 if ( SDL_TranslateUNICODE ) {
198 /* Populate the unicode field with the ASCII value */
199 keysym->unicode = scancode;
200 }
201 return(keysym);
202 }
203