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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* Handle the BeApp specific portions of the application */
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29
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30 #include <AppKit.h>
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31 #include <storage/Path.h>
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32 #include <storage/Entry.h>
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33 #include <stdlib.h>
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34 #include <unistd.h>
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35
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36 #include "SDL_BeApp.h"
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37 #include "SDL_thread.h"
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38 #include "SDL_timer.h"
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39 #include "SDL_error.h"
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40
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41 /* Flag to tell whether or not the Be application is active or not */
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42 int SDL_BeAppActive = 0;
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43 static SDL_Thread *SDL_AppThread = NULL;
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44
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45 static int StartBeApp(void *unused)
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46 {
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47 BApplication *App;
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48
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49 App = new BApplication("application/x-SDL-executable");
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50
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51 App->Run();
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52 delete App;
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53 return(0);
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54 }
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55
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56 /* Initialize the Be Application, if it's not already started */
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57 int SDL_InitBeApp(void)
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58 {
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59 /* Create the BApplication that handles appserver interaction */
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60 if ( SDL_BeAppActive <= 0 ) {
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61 SDL_AppThread = SDL_CreateThread(StartBeApp, NULL);
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62 if ( SDL_AppThread == NULL ) {
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63 SDL_SetError("Couldn't create BApplication thread");
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64 return(-1);
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65 }
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66
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67 /* Check if we started from Terminal or Tracker... */
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68 /* Based on code posted to BeDevTalk by Marco Nelissen */
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69 char *cmd = getenv("_");
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70 if(!(cmd == NULL || strlen(cmd) < 7) &&
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71 (!strcmp(cmd + strlen(cmd) - 7 , "Tracker"))) {
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72
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73 /* Change working to directory to that of executable */
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74 app_info info;
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75 if (B_OK == be_app->GetAppInfo(&info)) {
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76 entry_ref ref = info.ref;
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77 BEntry entry;
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78 if (B_OK == entry.SetTo(&ref)) {
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79 BPath path;
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80 if (B_OK == path.SetTo(&entry)) {
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81 if (B_OK == path.GetParent(&path)) {
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82 chdir(path.Path());
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83 }
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84 }
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85 }
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86 }
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87 } /* else started from Terminal */
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88
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89 do {
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90 SDL_Delay(10);
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91 } while ( (be_app == NULL) || be_app->IsLaunching() );
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92
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93 /* Mark the application active */
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94 SDL_BeAppActive = 0;
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95 }
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96
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97 /* Increment the application reference count */
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98 ++SDL_BeAppActive;
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99
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100 /* The app is running, and we're ready to go */
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101 return(0);
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102 }
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103
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104 /* Quit the Be Application, if there's nothing left to do */
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105 void SDL_QuitBeApp(void)
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106 {
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107 /* Decrement the application reference count */
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108 --SDL_BeAppActive;
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109
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110 /* If the reference count reached zero, clean up the app */
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111 if ( SDL_BeAppActive == 0 ) {
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112 if ( SDL_AppThread != NULL ) {
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113 if ( be_app != NULL ) { /* Not tested */
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114 be_app->PostMessage(B_QUIT_REQUESTED);
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115 }
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116 SDL_WaitThread(SDL_AppThread, NULL);
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117 SDL_AppThread = NULL;
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118 }
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119 /* be_app should now be NULL since be_app has quit */
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120 }
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121 }
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