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comparison src/main/beos/SDL_BeApp.cc @ 0:74212992fb08

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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children e8157fcb3114
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-1:000000000000 0:74212992fb08
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 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 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@devolution.com
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id$";
26 #endif
27
28 /* Handle the BeApp specific portions of the application */
29
30 #include <AppKit.h>
31 #include <storage/Path.h>
32 #include <storage/Entry.h>
33 #include <stdlib.h>
34 #include <unistd.h>
35
36 #include "SDL_BeApp.h"
37 #include "SDL_thread.h"
38 #include "SDL_timer.h"
39 #include "SDL_error.h"
40
41 /* Flag to tell whether or not the Be application is active or not */
42 int SDL_BeAppActive = 0;
43 static SDL_Thread *SDL_AppThread = NULL;
44
45 static int StartBeApp(void *unused)
46 {
47 BApplication *App;
48
49 App = new BApplication("application/x-SDL-executable");
50
51 App->Run();
52 delete App;
53 return(0);
54 }
55
56 /* Initialize the Be Application, if it's not already started */
57 int SDL_InitBeApp(void)
58 {
59 /* Create the BApplication that handles appserver interaction */
60 if ( SDL_BeAppActive <= 0 ) {
61 SDL_AppThread = SDL_CreateThread(StartBeApp, NULL);
62 if ( SDL_AppThread == NULL ) {
63 SDL_SetError("Couldn't create BApplication thread");
64 return(-1);
65 }
66
67 /* Check if we started from Terminal or Tracker... */
68 /* Based on code posted to BeDevTalk by Marco Nelissen */
69 char *cmd = getenv("_");
70 if(!(cmd == NULL || strlen(cmd) < 7) &&
71 (!strcmp(cmd + strlen(cmd) - 7 , "Tracker"))) {
72
73 /* Change working to directory to that of executable */
74 app_info info;
75 if (B_OK == be_app->GetAppInfo(&info)) {
76 entry_ref ref = info.ref;
77 BEntry entry;
78 if (B_OK == entry.SetTo(&ref)) {
79 BPath path;
80 if (B_OK == path.SetTo(&entry)) {
81 if (B_OK == path.GetParent(&path)) {
82 chdir(path.Path());
83 }
84 }
85 }
86 }
87 } /* else started from Terminal */
88
89 do {
90 SDL_Delay(10);
91 } while ( (be_app == NULL) || be_app->IsLaunching() );
92
93 /* Mark the application active */
94 SDL_BeAppActive = 0;
95 }
96
97 /* Increment the application reference count */
98 ++SDL_BeAppActive;
99
100 /* The app is running, and we're ready to go */
101 return(0);
102 }
103
104 /* Quit the Be Application, if there's nothing left to do */
105 void SDL_QuitBeApp(void)
106 {
107 /* Decrement the application reference count */
108 --SDL_BeAppActive;
109
110 /* If the reference count reached zero, clean up the app */
111 if ( SDL_BeAppActive == 0 ) {
112 if ( SDL_AppThread != NULL ) {
113 if ( be_app != NULL ) { /* Not tested */
114 be_app->PostMessage(B_QUIT_REQUESTED);
115 }
116 SDL_WaitThread(SDL_AppThread, NULL);
117 SDL_AppThread = NULL;
118 }
119 /* be_app should now be NULL since be_app has quit */
120 }
121 }