annotate src/main/beos/SDL_BeApp.cc @ 791:ab0d977f91f8

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author Sam Lantinga <slouken@libsdl.org>
date Thu, 29 Jan 2004 04:35:51 +0000
parents b8d311d90021
children aa4ac9e65d92
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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@libsdl.org
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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 <string.h>
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35 #include <unistd.h>
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36
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37 #include "SDL_BeApp.h"
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38 #include "SDL_thread.h"
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39 #include "SDL_timer.h"
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40 #include "SDL_error.h"
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41
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42 /* Flag to tell whether or not the Be application is active or not */
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43 int SDL_BeAppActive = 0;
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44 static SDL_Thread *SDL_AppThread = NULL;
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45
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46 static int StartBeApp(void *unused)
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47 {
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48 BApplication *App;
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49
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50 App = new BApplication("application/x-SDL-executable");
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51
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52 App->Run();
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53 delete App;
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54 return(0);
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55 }
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56
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57 /* Initialize the Be Application, if it's not already started */
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58 int SDL_InitBeApp(void)
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59 {
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60 /* Create the BApplication that handles appserver interaction */
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61 if ( SDL_BeAppActive <= 0 ) {
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62 SDL_AppThread = SDL_CreateThread(StartBeApp, NULL);
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63 if ( SDL_AppThread == NULL ) {
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64 SDL_SetError("Couldn't create BApplication thread");
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65 return(-1);
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66 }
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67
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68 /* Check if we started from Terminal or Tracker... */
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69 /* Based on code posted to BeDevTalk by Marco Nelissen */
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70 char *cmd = getenv("_");
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71 if(!(cmd == NULL || strlen(cmd) < 7) &&
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72 (!strcmp(cmd + strlen(cmd) - 7 , "Tracker"))) {
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73
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74 /* Change working to directory to that of executable */
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75 app_info info;
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76 if (B_OK == be_app->GetAppInfo(&info)) {
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77 entry_ref ref = info.ref;
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78 BEntry entry;
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79 if (B_OK == entry.SetTo(&ref)) {
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80 BPath path;
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81 if (B_OK == path.SetTo(&entry)) {
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82 if (B_OK == path.GetParent(&path)) {
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83 chdir(path.Path());
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84 }
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85 }
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86 }
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87 }
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88 } /* else started from Terminal */
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89
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90 do {
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91 SDL_Delay(10);
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92 } while ( (be_app == NULL) || be_app->IsLaunching() );
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93
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94 /* Mark the application active */
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95 SDL_BeAppActive = 0;
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96 }
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97
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98 /* Increment the application reference count */
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99 ++SDL_BeAppActive;
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100
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101 /* The app is running, and we're ready to go */
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102 return(0);
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103 }
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104
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105 /* Quit the Be Application, if there's nothing left to do */
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106 void SDL_QuitBeApp(void)
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107 {
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108 /* Decrement the application reference count */
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109 --SDL_BeAppActive;
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110
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111 /* If the reference count reached zero, clean up the app */
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112 if ( SDL_BeAppActive == 0 ) {
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113 if ( SDL_AppThread != NULL ) {
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114 if ( be_app != NULL ) { /* Not tested */
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115 be_app->PostMessage(B_QUIT_REQUESTED);
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116 }
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117 SDL_WaitThread(SDL_AppThread, NULL);
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118 SDL_AppThread = NULL;
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119 }
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120 /* be_app should now be NULL since be_app has quit */
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121 }
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122 }