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Added preliminary support for MiNT /dev/mouse driver (disabled atm)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| /* | ||
| SDL - Simple DirectMedia Layer | ||
| Copyright (C) 1997-2006 Sam Lantinga | ||
| This library is free software; you can redistribute it and/or | ||
| modify it under the terms of the GNU Lesser General Public | ||
| License as published by the Free Software Foundation; either | ||
| version 2.1 of the License, or (at your option) any later version. | ||
| This library is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| Lesser General Public License for more details. | ||
| You should have received a copy of the GNU Lesser General Public | ||
| License along with this library; if not, write to the Free Software | ||
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| Sam Lantinga | ||
| slouken@libsdl.org | ||
| */ | ||
| #include "SDL_config.h" | ||
|
|
||
| /* | ||
| MiNT /dev/mouse driver | ||
| Patrice Mandin | ||
| */ | ||
|
|
||
| #include <fcntl.h> | ||
| #include <unistd.h> | ||
|
|
||
| #include "../../events/SDL_events_c.h" | ||
| #include "SDL_ataridevmouse_c.h" | ||
|
|
||
| /* Defines */ | ||
|
|
||
| #define DEVICE_NAME "/dev/mouse" | ||
|
|
||
| /* Local variables */ | ||
|
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||
| static int handle = -1; | ||
| static int mouseb, prev_mouseb; | ||
|
|
||
| /* Functions */ | ||
|
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||
| int SDL_AtariDevMouse_Open(void) | ||
| { | ||
| int r; | ||
| const char *mousedev; | ||
|
|
||
| /* | ||
| TODO: Fix the MiNT device driver, that locks mouse for other | ||
| applications, so this is disabled till fixed | ||
| */ | ||
| return 0; | ||
|
|
||
| /* First, try SDL_MOUSEDEV device */ | ||
| mousedev = SDL_getenv("SDL_MOUSEDEV"); | ||
| if (!mousedev) { | ||
| handle = open(mousedev, 0); | ||
| } | ||
|
|
||
| /* Failed, try default device */ | ||
| if (handle<0) { | ||
| handle = open(DEVICE_NAME, 0); | ||
| } | ||
|
|
||
| if (handle<0) { | ||
| handle = -1; | ||
| return 0; | ||
| } | ||
|
|
||
| /* Set non blocking mode */ | ||
| r = fcntl(handle, F_GETFL, 0); | ||
| if (r<0) { | ||
| close(handle); | ||
| handle = -1; | ||
| return 0; | ||
| } | ||
|
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||
| r |= O_NDELAY; | ||
|
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| r = fcntl(handle, F_SETFL, r); | ||
| if (r<0) { | ||
| close(handle); | ||
| handle = -1; | ||
| return 0; | ||
| } | ||
|
|
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| prev_mouseb = 7; | ||
| return 1; | ||
| } | ||
|
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||
| void SDL_AtariDevMouse_Close(void) | ||
| { | ||
| if (handle>0) { | ||
| close(handle); | ||
| handle = -1; | ||
| } | ||
| } | ||
|
|
||
| static int atari_GetButton(int button) | ||
| { | ||
| switch(button) | ||
| { | ||
| case 0: | ||
| return SDL_BUTTON_RIGHT; | ||
| case 1: | ||
| return SDL_BUTTON_MIDDLE; | ||
| default: | ||
| break; | ||
| } | ||
|
|
||
| return SDL_BUTTON_LEFT; | ||
| } | ||
|
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| void SDL_AtariDevMouse_PostMouseEvents(_THIS, SDL_bool buttonEvents) | ||
| { | ||
| unsigned char buffer[3]; | ||
| int mousex, mousey; | ||
|
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||
| if (handle<0) { | ||
| return; | ||
| } | ||
|
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| mousex = mousey = 0; | ||
| while (read(handle, buffer, sizeof(buffer))==sizeof(buffer)) { | ||
| mouseb = buffer[0] & 7; | ||
| mousex += (char) buffer[1]; | ||
| mousey += (char) buffer[2]; | ||
|
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| /* Mouse button events */ | ||
| if (buttonEvents && (mouseb != prev_mouseb)) { | ||
| int i; | ||
|
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||
| for (i=0;i<3;i++) { | ||
| int curbutton, prevbutton; | ||
|
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| curbutton = mouseb & (1<<i); | ||
| prevbutton = prev_mouseb & (1<<i); | ||
|
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| if (curbutton && !prevbutton) { | ||
| SDL_PrivateMouseButton(SDL_RELEASED, atari_GetButton(i), 0, 0); | ||
| } | ||
| if (!curbutton && prevbutton) { | ||
| SDL_PrivateMouseButton(SDL_PRESSED, atari_GetButton(i), 0, 0); | ||
| } | ||
| } | ||
|
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| prev_mouseb = mouseb; | ||
| } | ||
| } | ||
|
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| /* Mouse motion event */ | ||
| if (mousex || mousey) { | ||
| SDL_PrivateMouseMotion(0, 1, mousex, -mousey); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /* | ||
| SDL - Simple DirectMedia Layer | ||
| Copyright (C) 1997-2006 Sam Lantinga | ||
| This library is free software; you can redistribute it and/or | ||
| modify it under the terms of the GNU Lesser General Public | ||
| License as published by the Free Software Foundation; either | ||
| version 2.1 of the License, or (at your option) any later version. | ||
| This library is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| Lesser General Public License for more details. | ||
| You should have received a copy of the GNU Lesser General Public | ||
| License along with this library; if not, write to the Free Software | ||
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| Sam Lantinga | ||
| slouken@libsdl.org | ||
| */ | ||
| #include "SDL_config.h" | ||
|
|
||
| /* | ||
| MiNT /dev/mouse driver | ||
| Patrice Mandin | ||
| */ | ||
|
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| #ifndef _SDL_ATARI_DEVMOUSE_H_ | ||
| #define _SDL_ATARI_DEVMOUSE_H_ | ||
|
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| #include "../SDL_sysvideo.h" | ||
|
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| /* Hidden "this" pointer for the video functions */ | ||
| #define _THIS SDL_VideoDevice *this | ||
|
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| extern int SDL_AtariDevMouse_Open(void); | ||
| extern void SDL_AtariDevMouse_Close(void); | ||
| extern void SDL_AtariDevMouse_PostMouseEvents(_THIS, SDL_bool buttonEvents); | ||
|
|
||
| #endif /* _SDL_ATARI_DEVMOUSE_H_ */ |
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