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annotate src/main/beos/SDL_BeApp.cc @ 2848:8a3aa505ecba

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Comment cleanup.
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 07 Dec 2008 07:16:40 +0000
parents 204be4fc2726
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h"
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23
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24 /* Handle the BeApp specific portions of the application */
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25
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26 #include <AppKit.h>
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27 #include <storage/Path.h>
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28 #include <storage/Entry.h>
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29 #include <unistd.h>
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30
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31 #include "SDL_BeApp.h"
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32 #include "SDL_thread.h"
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33 #include "SDL_timer.h"
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34 #include "SDL_error.h"
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35
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36 /* Flag to tell whether or not the Be application is active or not */
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37 int SDL_BeAppActive = 0;
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38 static SDL_Thread *SDL_AppThread = NULL;
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39
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40 static int
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41 StartBeApp(void *unused)
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42 {
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43 BApplication *App;
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44
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45 App = new BApplication("application/x-SDL-executable");
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46
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47 App->Run();
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48 delete App;
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49 return (0);
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50 }
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51
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52 /* Initialize the Be Application, if it's not already started */
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53 int
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54 SDL_InitBeApp(void)
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55 {
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56 /* Create the BApplication that handles appserver interaction */
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57 if (SDL_BeAppActive <= 0) {
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58 SDL_AppThread = SDL_CreateThread(StartBeApp, NULL);
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59 if (SDL_AppThread == NULL) {
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60 SDL_SetError("Couldn't create BApplication thread");
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61 return (-1);
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62 }
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63
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64 /* Change working to directory to that of executable */
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65 app_info info;
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66 if (B_OK == be_app->GetAppInfo(&info)) {
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67 entry_ref ref = info.ref;
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68 BEntry entry;
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69 if (B_OK == entry.SetTo(&ref)) {
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70 BPath path;
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71 if (B_OK == path.SetTo(&entry)) {
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72 if (B_OK == path.GetParent(&path)) {
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73 chdir(path.Path());
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74 }
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75 }
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76 }
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77 }
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78
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79 do {
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80 SDL_Delay(10);
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81 } while ((be_app == NULL) || be_app->IsLaunching());
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82
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83 /* Mark the application active */
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84 SDL_BeAppActive = 0;
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85 }
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86
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87 /* Increment the application reference count */
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88 ++SDL_BeAppActive;
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89
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90 /* The app is running, and we're ready to go */
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91 return (0);
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92 }
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93
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94 /* Quit the Be Application, if there's nothing left to do */
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95 void
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96 SDL_QuitBeApp(void)
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97 {
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98 /* Decrement the application reference count */
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99 --SDL_BeAppActive;
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100
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101 /* If the reference count reached zero, clean up the app */
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102 if (SDL_BeAppActive == 0) {
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103 if (SDL_AppThread != NULL) {
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104 if (be_app != NULL) { /* Not tested */
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105 be_app->PostMessage(B_QUIT_REQUESTED);
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106 }
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107 SDL_WaitThread(SDL_AppThread, NULL);
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108 SDL_AppThread = NULL;
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109 }
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110 /* be_app should now be NULL since be_app has quit */
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111 }
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112 }
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113
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114 /* vi: set ts=4 sw=4 expandtab: */