Update source to SDL2 2.0.12

Edward Rudd

2020-05-02 03f8528315fa46c95991a34f3325d7b33ae5538c

 source/src/video/uikit/SDL_uikitvideo.m

@@ -1,6 +1,6 @@
/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
  Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
@@ -38,6 +38,7 @@
#include "SDL_uikitopengles.h"
#include "SDL_uikitclipboard.h"
#include "SDL_uikitvulkan.h"
#include "SDL_uikitmetalview.h"

#define UIKITVID_DRIVER_NAME "uikit"

@@ -115,6 +116,7 @@
        device->HasClipboardText = UIKit_HasClipboardText;

        /* OpenGL (ES) functions */
#if SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
        device->GL_MakeCurrent      = UIKit_GL_MakeCurrent;
        device->GL_GetDrawableSize  = UIKit_GL_GetDrawableSize;
        device->GL_SwapWindow       = UIKit_GL_SwapWindow;
@@ -122,6 +124,7 @@
        device->GL_DeleteContext    = UIKit_GL_DeleteContext;
        device->GL_GetProcAddress   = UIKit_GL_GetProcAddress;
        device->GL_LoadLibrary      = UIKit_GL_LoadLibrary;
#endif
        device->free = UIKit_DeleteDevice;

#if SDL_VIDEO_VULKAN
@@ -131,6 +134,11 @@
                                     = UIKit_Vulkan_GetInstanceExtensions;
        device->Vulkan_CreateSurface = UIKit_Vulkan_CreateSurface;
        device->Vulkan_GetDrawableSize = UIKit_Vulkan_GetDrawableSize;
#endif

#if SDL_VIDEO_METAL
        device->Metal_CreateView = UIKit_Metal_CreateView;
        device->Metal_DestroyView = UIKit_Metal_DestroyView;
#endif

        device->gl_config.accelerated = 1;
@@ -186,7 +194,15 @@
CGRect
UIKit_ComputeViewFrame(SDL_Window *window, UIScreen *screen)
{
    SDL_WindowData *data = (__bridge SDL_WindowData *) window->driverdata;
    CGRect frame = screen.bounds;

    /* Use the UIWindow bounds instead of the UIScreen bounds, when possible.
     * The uiwindow bounds may be smaller than the screen bounds when Split View
     * is used on an iPad. */
    if (data != nil && data.uiwindow != nil) {
        frame = data.uiwindow.bounds;
    }

#if !TARGET_OS_TV && (__IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_7_0)
    BOOL hasiOS7 = UIKit_IsSystemVersionAtLeast(7.0);
@@ -208,9 +224,12 @@
     * https://forums.developer.apple.com/thread/65337 */
    if (UIKit_IsSystemVersionAtLeast(8.0)) {
        UIInterfaceOrientation orient = [UIApplication sharedApplication].statusBarOrientation;
        BOOL isLandscape = UIInterfaceOrientationIsLandscape(orient);
        BOOL landscape = UIInterfaceOrientationIsLandscape(orient);
        BOOL fullscreen = CGRectEqualToRect(screen.bounds, frame);

        if (isLandscape != (frame.size.width > frame.size.height)) {
        /* The orientation flip doesn't make sense when the window is smaller
         * than the screen (iPad Split View, for example). */
        if (fullscreen && (landscape != (frame.size.width > frame.size.height))) {
            float height = frame.size.width;
            frame.size.width = frame.size.height;
            frame.size.height = height;
@@ -221,17 +240,44 @@
    return frame;
}

void
UIKit_ForceUpdateHomeIndicator()
{
#if !TARGET_OS_TV
    /* Force the main SDL window to re-evaluate home indicator state */
    SDL_Window *focus = SDL_GetFocusWindow();
    if (focus) {
        SDL_WindowData *data = (__bridge SDL_WindowData *) focus->driverdata;
        if (data != nil) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunguarded-availability-new"
            if ([data.viewcontroller respondsToSelector:@selector(setNeedsUpdateOfHomeIndicatorAutoHidden)]) {
                [data.viewcontroller performSelectorOnMainThread:@selector(setNeedsUpdateOfHomeIndicatorAutoHidden) withObject:nil waitUntilDone:NO];
                [data.viewcontroller performSelectorOnMainThread:@selector(setNeedsUpdateOfScreenEdgesDeferringSystemGestures) withObject:nil waitUntilDone:NO];
            }
#pragma clang diagnostic pop
        }
    }
#endif /* !TARGET_OS_TV */
}

/*
 * iOS log support.
 *
 * This doesn't really have aything to do with the interfaces of the SDL video
 *  subsystem, but we need to stuff this into an Objective-C source code file.
 *
 * NOTE: This is copypasted from src/video/cocoa/SDL_cocoavideo.m! Thus, if
 *  Cocoa is supported, we use that one instead. Be sure both versions remain
 *  identical!
 */

#if !defined(SDL_VIDEO_DRIVER_COCOA)
void SDL_NSLog(const char *text)
{
    NSLog(@"%s", text);
}
#endif /* SDL_VIDEO_DRIVER_COCOA */

/*
 * iOS Tablet detection
@@ -241,7 +287,7 @@
 */
SDL_bool SDL_IsIPad(void)
{
    return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad);
    return ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad);
}

#endif /* SDL_VIDEO_DRIVER_UIKIT */