e14743d1 |
1 | /* |
2 | SDL - Simple DirectMedia Layer |
3 | Copyright (C) 1997-2009 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 | /* |
25 | * Atari keyboard events manager, using hardware IKBD |
26 | * |
27 | * Patrice Mandin |
28 | */ |
29 | |
30 | /* Mint includes */ |
31 | #include <mint/osbind.h> |
32 | |
33 | #include "../../events/SDL_sysevents.h" |
34 | #include "../../events/SDL_events_c.h" |
35 | |
36 | #include "SDL_atarikeys.h" |
37 | #include "SDL_atarievents_c.h" |
38 | #include "SDL_ikbdinterrupt_s.h" |
39 | |
40 | #define KEY_PRESSED 0xff |
41 | #define KEY_UNDEFINED 0x80 |
42 | #define KEY_RELEASED 0x00 |
43 | |
44 | static Uint16 atari_prevmouseb; /* save state of mouse buttons */ |
45 | |
46 | void AtariIkbd_InitOSKeymap(_THIS) |
47 | { |
48 | int i; |
49 | |
50 | SDL_memset(SDL_AtariIkbd_keyboard, KEY_UNDEFINED, sizeof(SDL_AtariIkbd_keyboard)); |
51 | |
52 | /* Now install our handler */ |
53 | SDL_AtariIkbd_mouseb = SDL_AtariIkbd_mousex = SDL_AtariIkbd_mousey = 0; |
54 | atari_prevmouseb = 0; |
55 | |
56 | Supexec(SDL_AtariIkbdInstall); |
57 | } |
58 | |
59 | static int atari_GetButton(int button) |
60 | { |
61 | switch(button) |
62 | { |
63 | case 0: |
64 | return SDL_BUTTON_RIGHT; |
65 | break; |
66 | case 1: |
67 | default: |
68 | return SDL_BUTTON_LEFT; |
69 | break; |
70 | } |
71 | } |
72 | |
73 | void AtariIkbd_PumpEvents(_THIS) |
74 | { |
75 | int i, specialkeys; |
76 | SDL_keysym keysym; |
77 | |
78 | /*--- Send keyboard events ---*/ |
79 | |
80 | for (i=0; i<ATARIBIOS_MAXKEYS; i++) { |
81 | /* Key pressed ? */ |
82 | if (SDL_AtariIkbd_keyboard[i]==KEY_PRESSED) { |
83 | SDL_PrivateKeyboard(SDL_PRESSED, |
84 | SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE)); |
85 | SDL_AtariIkbd_keyboard[i]=KEY_UNDEFINED; |
86 | } |
87 | |
88 | /* Key released ? */ |
89 | if (SDL_AtariIkbd_keyboard[i]==KEY_RELEASED) { |
90 | SDL_PrivateKeyboard(SDL_RELEASED, |
91 | SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE)); |
92 | SDL_AtariIkbd_keyboard[i]=KEY_UNDEFINED; |
93 | } |
94 | } |
95 | |
96 | /*--- Send mouse events ---*/ |
97 | |
98 | /* Mouse motion ? */ |
99 | if (SDL_AtariIkbd_mousex || SDL_AtariIkbd_mousey) { |
100 | SDL_PrivateMouseMotion(0, 1, SDL_AtariIkbd_mousex, SDL_AtariIkbd_mousey); |
101 | SDL_AtariIkbd_mousex = SDL_AtariIkbd_mousey = 0; |
102 | } |
103 | |
104 | /* Mouse button ? */ |
105 | if (SDL_AtariIkbd_mouseb != atari_prevmouseb) { |
106 | for (i=0;i<2;i++) { |
107 | int curbutton, prevbutton; |
108 | |
109 | curbutton = SDL_AtariIkbd_mouseb & (1<<i); |
110 | prevbutton = atari_prevmouseb & (1<<i); |
111 | |
112 | if (curbutton && !prevbutton) { |
113 | SDL_PrivateMouseButton(SDL_PRESSED, atari_GetButton(i), 0, 0); |
114 | } |
115 | if (!curbutton && prevbutton) { |
116 | SDL_PrivateMouseButton(SDL_RELEASED, atari_GetButton(i), 0, 0); |
117 | } |
118 | } |
119 | atari_prevmouseb = SDL_AtariIkbd_mouseb; |
120 | } |
121 | } |
122 | |
123 | void AtariIkbd_ShutdownEvents(void) |
124 | { |
125 | Supexec(SDL_AtariIkbdUninstall); |
126 | } |