src/video/android/SDL_androidwindow.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 12 Jun 2018 13:22:58 -0700
changeset 12017 d8a165136edf
parent 12012 6de756c9975a
child 12255 d2e5d4520677
permissions -rw-r--r--
Deal with fullscreen limitations under windowed Android environments (Chromebook, DeX, etc.) (Thanks Rachel!)
slouken@4998
     1
/*
slouken@5535
     2
  Simple DirectMedia Layer
slouken@11811
     3
  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
slouken@4998
     4
slouken@5535
     5
  This software is provided 'as-is', without any express or implied
slouken@5535
     6
  warranty.  In no event will the authors be held liable for any damages
slouken@5535
     7
  arising from the use of this software.
slouken@4998
     8
slouken@5535
     9
  Permission is granted to anyone to use this software for any purpose,
slouken@5535
    10
  including commercial applications, and to alter it and redistribute it
slouken@5535
    11
  freely, subject to the following restrictions:
slouken@4998
    12
slouken@5535
    13
  1. The origin of this software must not be misrepresented; you must not
slouken@5535
    14
     claim that you wrote the original software. If you use this software
slouken@5535
    15
     in a product, an acknowledgment in the product documentation would be
slouken@5535
    16
     appreciated but is not required.
slouken@5535
    17
  2. Altered source versions must be plainly marked as such, and must not be
slouken@5535
    18
     misrepresented as being the original software.
slouken@5535
    19
  3. This notice may not be removed or altered from any source distribution.
slouken@4998
    20
*/
icculus@8093
    21
#include "../../SDL_internal.h"
slouken@4998
    22
slouken@6044
    23
#if SDL_VIDEO_DRIVER_ANDROID
slouken@6044
    24
slouken@8803
    25
#include "SDL_syswm.h"
slouken@4998
    26
#include "../SDL_sysvideo.h"
philipp@7254
    27
#include "../../events/SDL_keyboard_c.h"
philipp@7254
    28
#include "../../events/SDL_mouse_c.h"
slouken@12017
    29
#include "../../events/SDL_windowevents_c.h"
slouken@4998
    30
slouken@4998
    31
#include "SDL_androidvideo.h"
slouken@4998
    32
#include "SDL_androidwindow.h"
slouken@11270
    33
#include "SDL_hints.h"
slouken@4998
    34
slouken@4998
    35
int
slouken@4998
    36
Android_CreateWindow(_THIS, SDL_Window * window)
slouken@4998
    37
{
gabomdq@7659
    38
    SDL_WindowData *data;
gabomdq@7659
    39
    
slouken@5001
    40
    if (Android_Window) {
icculus@7037
    41
        return SDL_SetError("Android only supports one window");
slouken@5001
    42
    }
gabomdq@7659
    43
    
gabomdq@6330
    44
    Android_PauseSem = SDL_CreateSemaphore(0);
gabomdq@6330
    45
    Android_ResumeSem = SDL_CreateSemaphore(0);
slouken@5001
    46
slouken@11270
    47
    /* Set orientation */
slouken@11270
    48
    Android_JNI_SetOrientation(window->w, window->h, window->flags & SDL_WINDOW_RESIZABLE, SDL_GetHint(SDL_HINT_ORIENTATIONS));
slouken@11270
    49
slouken@4998
    50
    /* Adjust the window data to match the screen */
slouken@4998
    51
    window->x = 0;
slouken@4998
    52
    window->y = 0;
slouken@12012
    53
    window->w = Android_SurfaceWidth;
slouken@12012
    54
    window->h = Android_SurfaceHeight;
slouken@4998
    55
slouken@5222
    56
    window->flags &= ~SDL_WINDOW_RESIZABLE;     /* window is NEVER resizeable */
slouken@6262
    57
    window->flags &= ~SDL_WINDOW_HIDDEN;
slouken@5222
    58
    window->flags |= SDL_WINDOW_SHOWN;          /* only one window on Android */
slouken@7191
    59
    window->flags |= SDL_WINDOW_INPUT_FOCUS;    /* always has input focus */
slouken@5222
    60
slouken@6651
    61
    /* One window, it always has focus */
slouken@6651
    62
    SDL_SetMouseFocus(window);
slouken@6654
    63
    SDL_SetKeyboardFocus(window);
gabomdq@7659
    64
    
gabomdq@7659
    65
    data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
gabomdq@7659
    66
    if (!data) {
gabomdq@7659
    67
        return SDL_OutOfMemory();
gabomdq@7659
    68
    }
gabomdq@7659
    69
    
gabomdq@7659
    70
    data->native_window = Android_JNI_GetNativeWindow();
gabomdq@7659
    71
    
gabomdq@7659
    72
    if (!data->native_window) {
gabomdq@7659
    73
        SDL_free(data);
gabomdq@7659
    74
        return SDL_SetError("Could not fetch native window");
gabomdq@7659
    75
    }
slouken@6651
    76
slouken@11006
    77
    /* Do not create EGLSurface for Vulkan window since it will then make the window
slouken@11006
    78
       incompatible with vkCreateAndroidSurfaceKHR */
slouken@11006
    79
    if ((window->flags & SDL_WINDOW_VULKAN) == 0) {
slouken@11006
    80
        data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->native_window);
slouken@11006
    81
slouken@11006
    82
        if (data->egl_surface == EGL_NO_SURFACE) {
slouken@11006
    83
            ANativeWindow_release(data->native_window);
slouken@11006
    84
            SDL_free(data);
slouken@11006
    85
            return SDL_SetError("Could not create GLES window surface");
slouken@11006
    86
        }
gabomdq@7659
    87
    }
gabomdq@7659
    88
gabomdq@7659
    89
    window->driverdata = data;
gabomdq@7659
    90
    Android_Window = window;
gabomdq@7659
    91
    
slouken@4998
    92
    return 0;
slouken@4998
    93
}
slouken@4998
    94
slouken@4998
    95
void
slouken@4998
    96
Android_SetWindowTitle(_THIS, SDL_Window * window)
slouken@4998
    97
{
slouken@4998
    98
    Android_JNI_SetActivityTitle(window->title);
slouken@4998
    99
}
slouken@4998
   100
slouken@4998
   101
void
slouken@11865
   102
Android_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
slouken@11865
   103
{
slouken@11865
   104
    Android_JNI_SetWindowStyle(fullscreen);
slouken@12017
   105
slouken@12017
   106
    // Ensure our size matches reality after we've executed the window style change.
slouken@12017
   107
    //
slouken@12017
   108
    // It is possible that we've set width and height to the full-size display, but on
slouken@12017
   109
    // Samsung DeX or Chromebooks or other windowed Android environemtns, our window may 
slouken@12017
   110
    // still not be the full display size.
slouken@12017
   111
    //
slouken@12017
   112
    SDL_WindowData * data = (SDL_WindowData *)window->driverdata;
slouken@12017
   113
slouken@12017
   114
    if (!data || !data->native_window) {
slouken@12017
   115
        return;
slouken@12017
   116
    }
slouken@12017
   117
slouken@12017
   118
    int old_w = window->w;
slouken@12017
   119
    int old_h = window->h;
slouken@12017
   120
slouken@12017
   121
    int new_w = ANativeWindow_getWidth(data->native_window);
slouken@12017
   122
    int new_h = ANativeWindow_getHeight(data->native_window);
slouken@12017
   123
slouken@12017
   124
    if (old_w != new_w || old_h != new_h) {
slouken@12017
   125
        SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, new_w, new_h);
slouken@12017
   126
    }
slouken@11865
   127
}
slouken@11865
   128
slouken@11865
   129
void
slouken@4998
   130
Android_DestroyWindow(_THIS, SDL_Window * window)
slouken@4998
   131
{
gabomdq@7659
   132
    SDL_WindowData *data;
gabomdq@7659
   133
    
slouken@5001
   134
    if (window == Android_Window) {
slouken@5001
   135
        Android_Window = NULL;
gabomdq@6330
   136
        if (Android_PauseSem) SDL_DestroySemaphore(Android_PauseSem);
gabomdq@6330
   137
        if (Android_ResumeSem) SDL_DestroySemaphore(Android_ResumeSem);
gabomdq@6330
   138
        Android_PauseSem = NULL;
gabomdq@6330
   139
        Android_ResumeSem = NULL;
gabomdq@7659
   140
        
gabomdq@7659
   141
        if(window->driverdata) {
gabomdq@7659
   142
            data = (SDL_WindowData *) window->driverdata;
gabomdq@7986
   143
            if (data->egl_surface != EGL_NO_SURFACE) {
gabomdq@7986
   144
                SDL_EGL_DestroySurface(_this, data->egl_surface);
gabomdq@7986
   145
            }
slouken@8799
   146
            if (data->native_window) {
gabomdq@7659
   147
                ANativeWindow_release(data->native_window);
gabomdq@7659
   148
            }
gabomdq@7659
   149
            SDL_free(window->driverdata);
gabomdq@7659
   150
            window->driverdata = NULL;
gabomdq@7659
   151
        }
slouken@5001
   152
    }
slouken@4998
   153
}
slouken@4998
   154
slouken@8799
   155
SDL_bool
slouken@8799
   156
Android_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
slouken@8799
   157
{
slouken@8799
   158
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@8799
   159
slouken@8799
   160
    if (info->version.major == SDL_MAJOR_VERSION &&
slouken@8799
   161
        info->version.minor == SDL_MINOR_VERSION) {
slouken@8799
   162
        info->subsystem = SDL_SYSWM_ANDROID;
slouken@8799
   163
        info->info.android.window = data->native_window;
slouken@8799
   164
        info->info.android.surface = data->egl_surface;
slouken@8799
   165
        return SDL_TRUE;
slouken@8799
   166
    } else {
philipp@10945
   167
        SDL_SetError("Application not compiled with SDL %d.%d",
slouken@8799
   168
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
slouken@8799
   169
        return SDL_FALSE;
slouken@8799
   170
    }
slouken@8799
   171
}
slouken@8799
   172
slouken@6044
   173
#endif /* SDL_VIDEO_DRIVER_ANDROID */
slouken@6044
   174
slouken@4998
   175
/* vi: set ts=4 sw=4 expandtab: */