SDL  2.0
SDL_BeApp.cc
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../../SDL_internal.h"
22 
23 #if defined(__HAIKU__)
24 
25 /* Handle the BeApp specific portions of the application */
26 
27 #include <AppKit.h>
28 #include <storage/AppFileInfo.h>
29 #include <storage/Path.h>
30 #include <storage/Entry.h>
31 #include <storage/File.h>
32 #include <unistd.h>
33 
34 #include "SDL_BApp.h" /* SDL_BApp class definition */
35 #include "SDL_BeApp.h"
36 #include "SDL_timer.h"
37 #include "SDL_error.h"
38 
39 #include "../../video/haiku/SDL_BWin.h"
40 
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
44 
45 #include "../../thread/SDL_systhread.h"
46 
47 /* Flag to tell whether or not the Be application is active or not */
48 static int SDL_BeAppActive = 0;
49 static SDL_Thread *SDL_AppThread = NULL;
50 
51 static int
52 StartBeApp(void *unused)
53 {
54  BApplication *App;
55 
56  // default application signature
57  const char *signature = "application/x-SDL-executable";
58  // dig resources for correct signature
59  image_info info;
60  int32 cookie = 0;
61  if (get_next_image_info(B_CURRENT_TEAM, &cookie, &info) == B_OK) {
62  BFile f(info.name, O_RDONLY);
63  if (f.InitCheck() == B_OK) {
64  BAppFileInfo app_info(&f);
65  if (app_info.InitCheck() == B_OK) {
66  char sig[B_MIME_TYPE_LENGTH];
67  if (app_info.GetSignature(sig) == B_OK)
68  signature = strndup(sig, B_MIME_TYPE_LENGTH);
69  }
70  }
71  }
72 
73  App = new SDL_BApp(signature);
74 
75  App->Run();
76  delete App;
77  return (0);
78 }
79 
80 /* Initialize the Be Application, if it's not already started */
81 int
82 SDL_InitBeApp(void)
83 {
84  /* Create the BApplication that handles appserver interaction */
85  if (SDL_BeAppActive <= 0) {
86  SDL_AppThread = SDL_CreateThreadInternal(StartBeApp, "SDLApplication", 0, NULL);
87  if (SDL_AppThread == NULL) {
88  return SDL_SetError("Couldn't create BApplication thread");
89  }
90 
91  /* Change working directory to that of executable */
92  app_info info;
93  if (B_OK == be_app->GetAppInfo(&info)) {
94  entry_ref ref = info.ref;
95  BEntry entry;
96  if (B_OK == entry.SetTo(&ref)) {
97  BPath path;
98  if (B_OK == path.SetTo(&entry)) {
99  if (B_OK == path.GetParent(&path)) {
100  chdir(path.Path());
101  }
102  }
103  }
104  }
105 
106  do {
107  SDL_Delay(10);
108  } while ((be_app == NULL) || be_app->IsLaunching());
109 
110  /* Mark the application active */
111  SDL_BeAppActive = 0;
112  }
113 
114  /* Increment the application reference count */
115  ++SDL_BeAppActive;
116 
117  /* The app is running, and we're ready to go */
118  return (0);
119 }
120 
121 /* Quit the Be Application, if there's nothing left to do */
122 void
123 SDL_QuitBeApp(void)
124 {
125  /* Decrement the application reference count */
126  --SDL_BeAppActive;
127 
128  /* If the reference count reached zero, clean up the app */
129  if (SDL_BeAppActive == 0) {
130  if (SDL_AppThread != NULL) {
131  if (be_app != NULL) { /* Not tested */
132  be_app->PostMessage(B_QUIT_REQUESTED);
133  }
134  SDL_WaitThread(SDL_AppThread, NULL);
135  SDL_AppThread = NULL;
136  }
137  /* be_app should now be NULL since be_app has quit */
138  }
139 }
140 
141 #ifdef __cplusplus
142 }
143 #endif
144 
145 /* SDL_BApp functions */
146 void SDL_BApp::ClearID(SDL_BWin *bwin) {
147  _SetSDLWindow(NULL, bwin->GetID());
148  int32 i = _GetNumWindowSlots() - 1;
149  while(i >= 0 && GetSDLWindow(i) == NULL) {
150  _PopBackWindow();
151  --i;
152  }
153 }
154 
155 #endif /* __HAIKU__ */
156 
157 /* vi: set ts=4 sw=4 expandtab: */
int SDL_InitBeApp(void)
void SDL_QuitBeApp(void)
GLenum GLint ref
GLfloat f
int32 _GetNumWindowSlots()
Definition: SDL_BApp.h:377
void _SetSDLWindow(SDL_Window *win, int32 winID)
Definition: SDL_BApp.h:373
SDL_Thread * SDL_CreateThreadInternal(int(*fn)(void *), const char *name, const size_t stacksize, void *data)
Definition: SDL_thread.c:427
int32 GetID()
Definition: SDL_BWin.h:434
#define SDL_Delay
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
SDL_Window * GetSDLWindow(int32 winID)
Definition: SDL_BApp.h:191
#define NULL
Definition: begin_code.h:164
#define SDL_SetError
void ClearID(SDL_BWin *bwin)
GLsizei const GLchar *const * path
void _PopBackWindow()
Definition: SDL_BApp.h:382
#define SDL_WaitThread