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simpler mouse usage; default ini settings in os_init(); cleanup
[taylor/freespace2.git] / src / osapi / os_unix.cpp
1 /*
2  * Copyright (C) Volition, Inc. 1999.  All rights reserved.
3  *
4  * All source code herein is the property of Volition, Inc. You may not sell 
5  * or otherwise commercially exploit the source or things you created based on
6  * the source.
7  */
8
9 /*
10  * $Logfile: /Freespace2/code/OsApi/OsApi.cpp $
11  * $Revision$
12  * $Date$
13  * $Author$
14  *
15  * Low level Windows code
16  *
17  * $Log$
18  * Revision 1.15  2003/08/03 15:56:59  taylor
19  * simpler mouse usage; default ini settings in os_init(); cleanup
20  *
21  * Revision 1.14  2003/05/09 05:04:15  taylor
22  * better window min/max/focus support
23  *
24  * Revision 1.13  2003/05/04 04:56:53  taylor
25  * move SDL_Quit to os_deinit to fix fonttool segfault
26  *
27  * Revision 1.12  2003/02/20 17:41:07  theoddone33
28  * Userdir patch from Taylor Richards
29  *
30  * Revision 1.11  2002/07/28 21:45:30  theoddone33
31  * Add ctrl-z to iconify window
32  *
33  * Revision 1.10  2002/07/28 21:39:44  theoddone33
34  * Add alt-enter to toggle fullscreen and ctrl-g to toggle mouse grabbing
35  *
36  * Revision 1.9  2002/06/16 23:59:31  relnev
37  * untested joystick code
38  *
39  * Revision 1.8  2002/06/09 04:41:25  relnev
40  * added copyright header
41  *
42  * Revision 1.7  2002/06/05 04:03:32  relnev
43  * finished cfilesystem.
44  *
45  * removed some old code.
46  *
47  * fixed mouse save off-by-one.
48  *
49  * sound cleanups.
50  *
51  * Revision 1.6  2002/05/31 03:34:02  theoddone33
52  * Fix Keyboard
53  * Add titlebar
54  *
55  * Revision 1.5  2002/05/30 23:46:29  theoddone33
56  * some minor key changes (not necessarily fixes)
57  *
58  * Revision 1.4  2002/05/30 16:50:24  theoddone33
59  * Keyboard partially fixed
60  *
61  * Revision 1.3  2002/05/29 06:25:13  theoddone33
62  * Keyboard input, mouse tracking now work
63  *
64  * Revision 1.2  2002/05/07 03:16:48  theoddone33
65  * The Great Newline Fix
66  *
67  * Revision 1.1.1.1  2002/05/03 03:28:10  root
68  * Initial import.
69  * 
70  * 
71  * 7     6/30/99 5:53p Dave
72  * Put in new anti-camper code.
73  * 
74  * 6     6/03/99 6:37p Dave
75  * More TNT fun. Made perspective bitmaps more flexible.
76  * 
77  * 5     6/02/99 6:18p Dave
78  * Fixed TNT lockup problems! Wheeeee!
79  * 
80  * 4     12/18/98 1:13a Dave
81  * Rough 1024x768 support for Direct3D. Proper detection and usage through
82  * the launcher.
83  * 
84  * 3     10/09/98 2:57p Dave
85  * Starting splitting up OS stuff.
86  * 
87  * 2     10/08/98 2:38p Dave
88  * Cleanup up OsAPI code significantly. Removed old functions, centralized
89  * registry functions.
90  * 
91  * 118   7/10/98 5:04p Dave
92  * Fix connection speed bug on standalone server.
93  * 
94  * 117   5/24/98 2:28p Hoffoss
95  * Because we never really care about if the left or the right shift or
96  * alt key was used, but rather than either shift or alt was used, made
97  * both map to the left one.  Solves some problems, causes none.
98  * 
99  * 116   5/18/98 9:22p John
100  * Took out the annoying tab check.
101  * 
102  * 115   5/18/98 11:17a John
103  * Fixed some bugs with software window and output window.
104  * 
105  * 114   5/16/98 2:20p John
106  * Changed the os_suspend and resume to use a critical section to prevent
107  * threads from executing rather than just suspending the thread.  Had to
108  * make sure gr_close was called before os_close.
109  * 
110  * 113   5/15/98 4:49p John
111  * 
112  * 112   5/15/98 3:36p John
113  * Fixed bug with new graphics window code and standalone server.  Made
114  * hwndApp not be a global anymore.
115  * 
116  * 111   5/14/98 5:42p John
117  * Revamped the whole window position/mouse code for the graphics windows.
118  * 
119  * 110   5/04/98 11:08p Hoffoss
120  * Expanded on Force Feedback code, and moved it all into Joy_ff.cpp.
121  * Updated references everywhere to it.
122  *
123  * $NoKeywords: $
124  */
125
126 #include "pstypes.h"
127 #include "osapi.h"
128 #include "key.h"
129 #include "palman.h"
130 #include "mouse.h"
131 #include "outwnd.h"
132 #include "2d.h"
133 #include "cfile.h"
134 #include "sound.h"
135 #include "freespaceresource.h"
136 #include "managepilot.h"
137 #include "joy.h"
138 #include "joy_ff.h"
139 #include "gamesequence.h"
140 #include "freespace.h"
141 #include "osregistry.h"
142 #include "cmdline.h"
143
144 // ----------------------------------------------------------------------------------------------------
145 // OSAPI DEFINES/VARS
146 //
147
148 // os-wide globals
149 static int                      fAppActive = 1;
150 //static int            main_window_inited = 0;         // not used (here)
151 //static char           szWinTitle[128];                        // not used (here)
152 //static char           szWinClass[128];                        // not used (here)
153 //static int            WinX, WinY, WinW, WinH;         // not used (grsoft.cpp) in UNIX build
154 static int                      Os_inited = 0;
155
156 static CRITICAL_SECTION Os_lock;
157
158 int Os_debugger_running = 0;
159
160 // ----------------------------------------------------------------------------------------------------
161 // OSAPI FORWARD DECLARATIONS
162 //
163
164 #ifdef THREADED
165         // thread handler for the main message thread
166         DWORD win32_process(DWORD lparam);
167 #else
168         DWORD win32_process1(DWORD lparam);
169         DWORD win32_process1(DWORD lparam);
170 #endif
171
172 // Fills in the Os_debugger_running with non-zero if debugger detected.
173 void os_check_debugger();
174
175 // called at shutdown. Makes sure all thread processing terminates.
176 void os_deinit();
177
178
179 // ----------------------------------------------------------------------------------------------------
180 // OSAPI FUNCTIONS
181 //
182
183 // initialization/shutdown functions -----------------------------------------------
184
185 // detect users home directory
186 const char *detect_home(void)
187 {
188         return (getenv("HOME"));
189 }
190
191 // If app_name is NULL or ommited, then TITLE is used
192 // for the app name, which is where registry keys are stored.
193 void os_init(char * wclass, char * title, char *app_name, char *version_string )
194 {
195         /* set some sane defaults since we don't have a laucher... */
196         if (os_config_read_string(NULL, NOX("Videocard"), NULL) == NULL)
197                 os_config_write_string(NULL, NOX("Videocard"), NOX("OpenGL (640x480)"));
198         
199         if (os_config_read_string(NULL, NOX("NetworkConnection"), NULL) == NULL)
200                 os_config_write_string(NULL, NOX("NetworkConnection"), NOX("lan"));
201         
202         if (os_config_read_string(NULL, NOX("ConnectionSpeed"), NULL) == NULL)
203                 os_config_write_string(NULL, NOX("ConnectionSpeed"), NOX("Slow"));
204
205         Os_inited = 1;
206
207         Os_lock = SDL_CreateMutex();
208
209         // check to see if we're running under msdev
210         os_check_debugger();
211
212         atexit(os_deinit);
213 }
214
215 // set the main window title
216 void os_set_title( char * title )
217 {
218         // the title is already set by SDL in gropengl.cpp
219 }
220
221 // call at program end
222 void os_cleanup()
223 {
224         STUB_FUNCTION;
225         
226 #ifndef NDEBUG
227                 outwnd_close();
228 #endif
229 }
230
231
232 // window management -----------------------------------------------------------------
233
234 // Returns 0 if app is not the foreground app.
235 int os_foreground()
236 {
237         return fAppActive;
238 }
239
240 // Returns the handle to the main window
241 uint os_get_window()
242 {
243 //      STUB_FUNCTION;  // not used/needed with UNIX builds?
244         return 0;
245 }
246
247
248 // process management -----------------------------------------------------------------
249
250 // Sleeps for n milliseconds or until app becomes active.
251 void os_sleep(int ms)
252 {
253         usleep(ms*1000);
254 }
255
256 // Used to stop message processing
257 void os_suspend()
258 {
259         ENTER_CRITICAL_SECTION(&Os_lock);       
260 }
261
262 // resume message processing
263 void os_resume()
264 {
265         LEAVE_CRITICAL_SECTION(&Os_lock);       
266 }
267
268
269 // ----------------------------------------------------------------------------------------------------
270 // OSAPI FORWARD DECLARATIONS
271 //
272
273 // Fills in the Os_debugger_running with non-zero if debugger detected.
274 void os_check_debugger()
275 {
276 }
277
278 // called at shutdown. Makes sure all thread processing terminates.
279 void os_deinit()
280 {
281         SDL_DestroyMutex(Os_lock);
282
283         SDL_Quit();
284 }
285
286 extern int SDLtoFS2[SDLK_LAST];
287 void os_poll()
288 {
289         SDL_Event e;
290
291         while (SDL_PollEvent (&e)) {
292                 switch (e.type) {
293                         case SDL_MOUSEBUTTONDOWN:
294                         case SDL_MOUSEBUTTONUP:
295                                 if (e.button.button <= HIGHEST_MOUSE_BUTTON)
296                                         mouse_mark_button(e.button.button, e.button.state);
297                                 break;
298                         case SDL_KEYDOWN:
299                                 if ((e.key.keysym.mod & KMOD_ALT) &&
300                                     (e.key.keysym.sym == SDLK_RETURN))
301                                 {
302                                         if (!Cmdline_no_grab && !(SDL_GetVideoSurface()->flags & SDL_FULLSCREEN))
303                                                 SDL_WM_GrabInput (SDL_GRAB_ON);
304                                         SDL_WM_ToggleFullScreen (SDL_GetVideoSurface());
305                                         break;
306                                 }
307                                 if ((e.key.keysym.mod & KMOD_CTRL) &&
308                                     (e.key.keysym.sym == SDLK_g))
309                                 {
310                                         /* DDOI - ignore grab changes when fullscreen */
311                                         if (!(SDL_GetVideoSurface()->flags & SDL_FULLSCREEN))
312                                         {
313                                                 if (SDL_WM_GrabInput(SDL_GRAB_QUERY)==SDL_GRAB_ON)
314                                                         SDL_WM_GrabInput (SDL_GRAB_OFF);
315                                                 else
316                                                         SDL_WM_GrabInput (SDL_GRAB_ON);
317                                         }
318                                         break;
319                                 }
320                                 if ((e.key.keysym.mod & KMOD_CTRL) &&
321                                     (e.key.keysym.sym == SDLK_z))
322                                 {
323                                         SDL_WM_IconifyWindow();
324                                         break;
325                                 }
326
327                                 if (SDLtoFS2[e.key.keysym.sym])
328                                         key_mark (SDLtoFS2[e.key.keysym.sym], 1, 0);
329                                 break;
330                         case SDL_KEYUP:
331                                 if (SDLtoFS2[e.key.keysym.sym])
332                                         key_mark (SDLtoFS2[e.key.keysym.sym], 0, 0);
333                                 break;
334                         case SDL_ACTIVEEVENT:
335                                 if (e.active.state & SDL_APPACTIVE) {
336                                         fAppActive = e.active.gain;
337                                         gr_activate(fAppActive);
338                                 }
339                                 if (e.active.state & SDL_APPINPUTFOCUS) {
340                                         gr_activate(e.active.gain);
341                                 }
342                                 break;
343                         default:
344                                 break;
345                 }
346         }
347         
348 {
349         extern int joy_pollrate;
350         extern void joy_process(int time_delta);
351         
352         static Uint32 lasttic = 0;
353         Uint32 curtic = SDL_GetTicks();
354         Uint32 delta = curtic - lasttic;
355         
356         while (delta >= (uint)joy_pollrate) {
357                 joy_process(delta);
358                 
359                 lasttic += joy_pollrate;
360                 
361                 delta = curtic - lasttic;
362         }
363 }
364
365 }
366
367 void debug_int3()
368 {
369         STUB_FUNCTION;
370 }