SDL  2.0
SDL_androidwindow.c
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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 SDL_VIDEO_DRIVER_ANDROID
24 
25 #include "SDL_syswm.h"
26 #include "../SDL_sysvideo.h"
27 #include "../../events/SDL_keyboard_c.h"
28 #include "../../events/SDL_mouse_c.h"
29 #include "../../events/SDL_windowevents_c.h"
30 #include "../../core/android/SDL_android.h"
31 
32 #include "SDL_androidvideo.h"
33 #include "SDL_androidwindow.h"
34 #include "SDL_hints.h"
35 
36 int
38 {
40 
41  if (Android_Window) {
42  return SDL_SetError("Android only supports one window");
43  }
44 
47 
48  /* Set orientation */
50 
51  /* Adjust the window data to match the screen */
52  window->x = 0;
53  window->y = 0;
54  window->w = Android_SurfaceWidth;
55  window->h = Android_SurfaceHeight;
56 
57  window->flags &= ~SDL_WINDOW_RESIZABLE; /* window is NEVER resizeable */
58  window->flags &= ~SDL_WINDOW_HIDDEN;
59  window->flags |= SDL_WINDOW_SHOWN; /* only one window on Android */
60  window->flags |= SDL_WINDOW_INPUT_FOCUS; /* always has input focus */
61 
62  /* One window, it always has focus */
63  SDL_SetMouseFocus(window);
64  SDL_SetKeyboardFocus(window);
65 
66  data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
67  if (!data) {
68  return SDL_OutOfMemory();
69  }
70 
72 
73  if (!data->native_window) {
74  SDL_free(data);
75  return SDL_SetError("Could not fetch native window");
76  }
77 
78  /* Do not create EGLSurface for Vulkan window since it will then make the window
79  incompatible with vkCreateAndroidSurfaceKHR */
80  if ((window->flags & SDL_WINDOW_VULKAN) == 0) {
81  data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->native_window);
82 
83  if (data->egl_surface == EGL_NO_SURFACE) {
84  ANativeWindow_release(data->native_window);
85  SDL_free(data);
86  return SDL_SetError("Could not create GLES window surface");
87  }
88  }
89 
90  window->driverdata = data;
92 
93  return 0;
94 }
95 
96 void
98 {
100 }
101 
102 void
103 Android_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
104 {
105  /* If the window is being destroyed don't change visible state */
106  if (!window->is_destroying) {
107  Android_JNI_SetWindowStyle(fullscreen);
108  }
109 
110  /* Ensure our size matches reality after we've executed the window style change.
111  *
112  * It is possible that we've set width and height to the full-size display, but on
113  * Samsung DeX or Chromebooks or other windowed Android environemtns, our window may
114  * still not be the full display size.
115  */
116  if (!SDL_IsDeXMode() && !SDL_IsChromebook()) {
117  return;
118  }
119 
120  SDL_WindowData * data = (SDL_WindowData *)window->driverdata;
121 
122  if (!data || !data->native_window) {
123  return;
124  }
125 
126  int old_w = window->w;
127  int old_h = window->h;
128 
129  int new_w = ANativeWindow_getWidth(data->native_window);
130  int new_h = ANativeWindow_getHeight(data->native_window);
131 
132  if (old_w != new_w || old_h != new_h) {
133  SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, new_w, new_h);
134  }
135 }
136 
137 void
139 {
141 
142  if (window == Android_Window) {
148 
149  if(window->driverdata) {
150  data = (SDL_WindowData *) window->driverdata;
151  if (data->egl_surface != EGL_NO_SURFACE) {
152  SDL_EGL_DestroySurface(_this, data->egl_surface);
153  }
154  if (data->native_window) {
155  ANativeWindow_release(data->native_window);
156  }
157  SDL_free(window->driverdata);
158  window->driverdata = NULL;
159  }
160  }
161 }
162 
163 SDL_bool
165 {
166  SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
167 
168  if (info->version.major == SDL_MAJOR_VERSION &&
169  info->version.minor == SDL_MINOR_VERSION) {
171  info->info.android.window = data->native_window;
172  info->info.android.surface = data->egl_surface;
173  return SDL_TRUE;
174  } else {
175  SDL_SetError("Application not compiled with SDL %d.%d",
177  return SDL_FALSE;
178  }
179 }
180 
181 #endif /* SDL_VIDEO_DRIVER_ANDROID */
182 
183 /* vi: set ts=4 sw=4 expandtab: */
#define SDL_MINOR_VERSION
Definition: SDL_version.h:61
void Android_JNI_SetOrientation(int w, int h, int resizable, const char *hint)
void SDL_SetKeyboardFocus(SDL_Window *window)
Definition: SDL_keyboard.c:630
void Android_DestroyWindow(_THIS, SDL_Window *window)
#define EGL_NO_SURFACE
Definition: egl.h:100
struct wl_surface * surface
Definition: SDL_syswm.h:256
#define SDL_MAJOR_VERSION
Definition: SDL_version.h:60
int Android_SurfaceWidth
#define SDL_CreateSemaphore
void Android_JNI_SetActivityTitle(const char *title)
#define SDL_GetHint
SDL_version version
Definition: SDL_syswm.h:196
Uint8 major
Definition: SDL_version.h:53
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_bool is_destroying
Definition: SDL_sysvideo.h:101
SDL_SYSWM_TYPE subsystem
Definition: SDL_syswm.h:197
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
void SDL_SetMouseFocus(SDL_Window *window)
Definition: SDL_mouse.c:177
void Android_SetWindowFullscreen(_THIS, SDL_Window *window, SDL_VideoDisplay *display, SDL_bool fullscreen)
SDL_bool SDL_IsDeXMode(void)
SDL_sem * Android_PauseSem
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
EGLNativeWindowType NativeWindowType
Definition: eglplatform.h:112
#define _THIS
#define SDL_free
SDL_bool SDL_IsChromebook(void)
SDL_Window * Android_Window
Uint8 minor
Definition: SDL_version.h:54
char * title
Definition: SDL_sysvideo.h:77
int Android_SurfaceHeight
Window window
Definition: SDL_syswm.h:218
#define SDL_HINT_ORIENTATIONS
A variable controlling which orientations are allowed on iOS/Android.
Definition: SDL_hints.h:350
#define NULL
Definition: begin_code.h:164
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_bool
Definition: SDL_stdinc.h:161
void Android_SetWindowTitle(_THIS, SDL_Window *window)
ANativeWindow * Android_JNI_GetNativeWindow(void)
#define SDL_SetError
#define SDL_calloc
SDL_sem * Android_ResumeSem
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
The type used to identify a window.
Definition: SDL_sysvideo.h:73
int Android_CreateWindow(_THIS, SDL_Window *window)
#define SDL_DestroySemaphore
SDL_bool Android_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
union SDL_SysWMinfo::@18 info
void Android_JNI_SetWindowStyle(SDL_bool fullscreen)
void * driverdata
Definition: SDL_sysvideo.h:111
ANativeWindow * native_window
Uint32 flags
Definition: SDL_sysvideo.h:83
EGLSurface egl_surface