SDL  2.0
SDL_androidwindow.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2019 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 /* Currently only one window */
38 
39 int
41 {
43  int retval = 0;
44 
46 
47  if (Android_Window) {
48  retval = SDL_SetError("Android only supports one window");
49  goto endfunction;
50  }
51 
52  /* Set orientation */
54 
55  /* Adjust the window data to match the screen */
56  window->x = 0;
57  window->y = 0;
60 
61  window->flags &= ~SDL_WINDOW_RESIZABLE; /* window is NEVER resizeable */
62  window->flags &= ~SDL_WINDOW_HIDDEN;
63  window->flags |= SDL_WINDOW_SHOWN; /* only one window on Android */
64 
65  /* One window, it always has focus */
68 
69  data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
70  if (!data) {
72  goto endfunction;
73  }
74 
75  data->native_window = Android_JNI_GetNativeWindow();
76 
77  if (!data->native_window) {
78  SDL_free(data);
79  retval = SDL_SetError("Could not fetch native window");
80  goto endfunction;
81  }
82 
83  /* Do not create EGLSurface for Vulkan window since it will then make the window
84  incompatible with vkCreateAndroidSurfaceKHR */
85  if ((window->flags & SDL_WINDOW_VULKAN) == 0) {
86  data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->native_window);
87 
88  if (data->egl_surface == EGL_NO_SURFACE) {
89  ANativeWindow_release(data->native_window);
90  SDL_free(data);
91  retval = -1;
92  goto endfunction;
93  }
94  }
95 
96  window->driverdata = data;
98 
99 endfunction:
100 
102 
103  return retval;
104 }
105 
106 void
108 {
110 }
111 
112 void
114 {
116 
117  if (window == Android_Window) {
118 
119  /* If the window is being destroyed don't change visible state */
120  if (!window->is_destroying) {
121  Android_JNI_SetWindowStyle(fullscreen);
122  }
123 
124  /* Ensure our size matches reality after we've executed the window style change.
125  *
126  * It is possible that we've set width and height to the full-size display, but on
127  * Samsung DeX or Chromebooks or other windowed Android environemtns, our window may
128  * still not be the full display size.
129  */
130  if (!SDL_IsDeXMode() && !SDL_IsChromebook()) {
131  goto endfunction;
132  }
133 
134  SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
135 
136  if (!data || !data->native_window) {
137  if (data && !data->native_window) {
138  SDL_SetError("Missing native window");
139  }
140  goto endfunction;
141  }
142 
143  int old_w = window->w;
144  int old_h = window->h;
145 
146  int new_w = ANativeWindow_getWidth(data->native_window);
147  int new_h = ANativeWindow_getHeight(data->native_window);
148 
149  if (new_w < 0 || new_h < 0) {
150  SDL_SetError("ANativeWindow_getWidth/Height() fails");
151  }
152 
153  if (old_w != new_w || old_h != new_h) {
155  }
156  }
157 
158 endfunction:
159 
161 }
162 
163 void
165 {
167 }
168 
169 void
171 {
173 
174  if (window == Android_Window) {
176 
177  if (window->driverdata) {
178  SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
179  if (data->egl_surface != EGL_NO_SURFACE) {
180  SDL_EGL_DestroySurface(_this, data->egl_surface);
181  }
182  if (data->native_window) {
183  ANativeWindow_release(data->native_window);
184  }
185  SDL_free(window->driverdata);
186  window->driverdata = NULL;
187  }
188  }
189 
191 }
192 
193 SDL_bool
195 {
196  SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
197 
198  if (info->version.major == SDL_MAJOR_VERSION &&
199  info->version.minor == SDL_MINOR_VERSION) {
201  info->info.android.window = data->native_window;
202  info->info.android.surface = data->egl_surface;
203  return SDL_TRUE;
204  } else {
205  SDL_SetError("Application not compiled with SDL %d.%d",
207  return SDL_FALSE;
208  }
209 }
210 
211 #endif /* SDL_VIDEO_DRIVER_ANDROID */
212 
213 /* vi: set ts=4 sw=4 expandtab: */
Android_JNI_SetOrientation
void Android_JNI_SetOrientation(int w, int h, int resizable, const char *hint)
Android_JNI_SetActivityTitle
void Android_JNI_SetActivityTitle(const char *title)
Android_JNI_SetWindowStyle
void Android_JNI_SetWindowStyle(SDL_bool fullscreen)
Android_ActivityMutex
SDL_mutex * Android_ActivityMutex
SDL_LockMutex
#define SDL_LockMutex
Definition: SDL_dynapi_overrides.h:260
NULL
#define NULL
Definition: begin_code.h:167
NativeWindowType
EGLNativeWindowType NativeWindowType
Definition: eglplatform.h:112
SDL_SysWMinfo
Definition: SDL_syswm.h:197
SDL_WindowData
Definition: SDL_androidwindow.h:38
SDL_version::minor
Uint8 minor
Definition: SDL_version.h:54
SDL_SysWMinfo::window
Window window
Definition: SDL_syswm.h:221
SDL_androidvideo.h
SDL_WINDOWEVENT_RESIZED
@ SDL_WINDOWEVENT_RESIZED
Definition: SDL_video.h:155
SDL_SYSWM_ANDROID
@ SDL_SYSWM_ANDROID
Definition: SDL_syswm.h:130
SDL_SetKeyboardFocus
void SDL_SetKeyboardFocus(SDL_Window *window)
Definition: SDL_keyboard.c:630
SDL_GetHint
#define SDL_GetHint
Definition: SDL_dynapi_overrides.h:191
SDL_SetMouseFocus
void SDL_SetMouseFocus(SDL_Window *window)
Definition: SDL_mouse.c:211
Android_SetWindowTitle
void Android_SetWindowTitle(_THIS, SDL_Window *window)
SDL_WINDOW_RESIZABLE
@ SDL_WINDOW_RESIZABLE
Definition: SDL_video.h:105
SDL_SysWMinfo::info
union SDL_SysWMinfo::@17 info
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
Android_DestroyWindow
void Android_DestroyWindow(_THIS, SDL_Window *window)
Android_SurfaceHeight
int Android_SurfaceHeight
SDL_FALSE
@ SDL_FALSE
Definition: SDL_stdinc.h:163
SDL_androidwindow.h
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
Android_ActivityMutex_Lock_Running
void Android_ActivityMutex_Lock_Running(void)
SDL_MINOR_VERSION
#define SDL_MINOR_VERSION
Definition: SDL_version.h:61
retval
SDL_bool retval
Definition: testgamecontroller.c:65
SDL_SysWMinfo::subsystem
SDL_SYSWM_TYPE subsystem
Definition: SDL_syswm.h:200
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
EGL_NO_SURFACE
#define EGL_NO_SURFACE
Definition: egl.h:100
Android_JNI_MinizeWindow
void Android_JNI_MinizeWindow(void)
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
SDL_IsChromebook
SDL_bool SDL_IsChromebook(void)
Android_SetWindowFullscreen
void Android_SetWindowFullscreen(_THIS, SDL_Window *window, SDL_VideoDisplay *display, SDL_bool fullscreen)
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
Android_SurfaceWidth
int Android_SurfaceWidth
SDL_WINDOW_SHOWN
@ SDL_WINDOW_SHOWN
Definition: SDL_video.h:102
Android_CreateWindow
int Android_CreateWindow(_THIS, SDL_Window *window)
SDL_OutOfMemory
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_calloc
#define SDL_calloc
Definition: SDL_dynapi_overrides.h:375
SDL_IsDeXMode
SDL_bool SDL_IsDeXMode(void)
SDL_TRUE
@ SDL_TRUE
Definition: SDL_stdinc.h:164
SDL_WINDOW_HIDDEN
@ SDL_WINDOW_HIDDEN
Definition: SDL_video.h:103
SDL_SysWMinfo::version
SDL_version version
Definition: SDL_syswm.h:199
SDL_HINT_ORIENTATIONS
#define SDL_HINT_ORIENTATIONS
A variable controlling which orientations are allowed on iOS/Android.
Definition: SDL_hints.h:360
SDL_VideoDisplay
Definition: SDL_sysvideo.h:125
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:30
Android_JNI_GetNativeWindow
ANativeWindow * Android_JNI_GetNativeWindow(void)
Android_GetWindowWMInfo
SDL_bool Android_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
SDL_hints.h
SDL_SendWindowEvent
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
Definition: SDL_windowevents.c:74
Android_MinimizeWindow
void Android_MinimizeWindow(_THIS, SDL_Window *window)
SDL_UnlockMutex
#define SDL_UnlockMutex
Definition: SDL_dynapi_overrides.h:262
SDL_version::major
Uint8 major
Definition: SDL_version.h:53
SDL_MAJOR_VERSION
#define SDL_MAJOR_VERSION
Definition: SDL_version.h:60
SDL_SysWMinfo::surface
struct wl_surface * surface
Definition: SDL_syswm.h:259
Android_Window
SDL_Window * Android_Window
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:161
SDL_syswm.h
SDL_WINDOW_VULKAN
@ SDL_WINDOW_VULKAN
Definition: SDL_video.h:122