1 files changed, 312 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/video/uikit/SDL_uikitvideo.m b/contrib/SDL-3.2.8/src/video/uikit/SDL_uikitvideo.m
new file mode 100644
index 0000000..5c3987d
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+++ b/contrib/SDL-3.2.8/src/video/uikit/SDL_uikitvideo.m
@@ -0,0 +1,312 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_UIKIT
+
+#import <UIKit/UIKit.h>
+
+#include "../SDL_sysvideo.h"
+#include "../SDL_pixels_c.h"
+#include "../../events/SDL_events_c.h"
+
+#include "SDL_uikitvideo.h"
+#include "SDL_uikitevents.h"
+#include "SDL_uikitmodes.h"
+#include "SDL_uikitwindow.h"
+#include "SDL_uikitopengles.h"
+#include "SDL_uikitclipboard.h"
+#include "SDL_uikitvulkan.h"
+#include "SDL_uikitmetalview.h"
+#include "SDL_uikitmessagebox.h"
+
+#define UIKITVID_DRIVER_NAME "uikit"
+
+@implementation SDL_UIKitVideoData
+
+@end
+
+// Initialization/Query functions
+static bool UIKit_VideoInit(SDL_VideoDevice *_this);
+static void UIKit_VideoQuit(SDL_VideoDevice *_this);
+
+// DUMMY driver bootstrap functions
+
+static void UIKit_DeleteDevice(SDL_VideoDevice *device)
+{
+    @autoreleasepool {
+        if (device->internal){
+            CFRelease(device->internal);
+        }
+        SDL_free(device);
+    }
+}
+
+static SDL_VideoDevice *UIKit_CreateDevice(void)
+{
+    @autoreleasepool {
+        SDL_VideoDevice *device;
+        SDL_UIKitVideoData *data;
+
+        // Initialize all variables that we clean on shutdown
+        device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice));
+        if (!device) {
+            return NULL;
+        }
+
+        data = [SDL_UIKitVideoData new];
+
+        device->internal = (SDL_VideoData *)CFBridgingRetain(data);
+        device->system_theme = UIKit_GetSystemTheme();
+
+        // Set the function pointers
+        device->VideoInit = UIKit_VideoInit;
+        device->VideoQuit = UIKit_VideoQuit;
+        device->GetDisplayModes = UIKit_GetDisplayModes;
+        device->SetDisplayMode = UIKit_SetDisplayMode;
+        device->PumpEvents = UIKit_PumpEvents;
+        device->SuspendScreenSaver = UIKit_SuspendScreenSaver;
+        device->CreateSDLWindow = UIKit_CreateWindow;
+        device->SetWindowTitle = UIKit_SetWindowTitle;
+        device->ShowWindow = UIKit_ShowWindow;
+        device->HideWindow = UIKit_HideWindow;
+        device->RaiseWindow = UIKit_RaiseWindow;
+        device->SetWindowBordered = UIKit_SetWindowBordered;
+        device->SetWindowFullscreen = UIKit_SetWindowFullscreen;
+        device->DestroyWindow = UIKit_DestroyWindow;
+        device->GetDisplayUsableBounds = UIKit_GetDisplayUsableBounds;
+        device->GetWindowSizeInPixels = UIKit_GetWindowSizeInPixels;
+
+#ifdef SDL_IPHONE_KEYBOARD
+        device->HasScreenKeyboardSupport = UIKit_HasScreenKeyboardSupport;
+        device->StartTextInput = UIKit_StartTextInput;
+        device->StopTextInput = UIKit_StopTextInput;
+        device->SetTextInputProperties = UIKit_SetTextInputProperties;
+        device->IsScreenKeyboardShown = UIKit_IsScreenKeyboardShown;
+        device->UpdateTextInputArea = UIKit_UpdateTextInputArea;
+#endif
+
+        device->SetClipboardText = UIKit_SetClipboardText;
+        device->GetClipboardText = UIKit_GetClipboardText;
+        device->HasClipboardText = UIKit_HasClipboardText;
+
+        // OpenGL (ES) functions
+#if defined(SDL_VIDEO_OPENGL_ES) || defined(SDL_VIDEO_OPENGL_ES2)
+        device->GL_MakeCurrent = UIKit_GL_MakeCurrent;
+        device->GL_SwapWindow = UIKit_GL_SwapWindow;
+        device->GL_CreateContext = UIKit_GL_CreateContext;
+        device->GL_DestroyContext = UIKit_GL_DestroyContext;
+        device->GL_GetProcAddress = UIKit_GL_GetProcAddress;
+        device->GL_LoadLibrary = UIKit_GL_LoadLibrary;
+#endif
+        device->free = UIKit_DeleteDevice;
+
+#ifdef SDL_VIDEO_VULKAN
+        device->Vulkan_LoadLibrary = UIKit_Vulkan_LoadLibrary;
+        device->Vulkan_UnloadLibrary = UIKit_Vulkan_UnloadLibrary;
+        device->Vulkan_GetInstanceExtensions = UIKit_Vulkan_GetInstanceExtensions;
+        device->Vulkan_CreateSurface = UIKit_Vulkan_CreateSurface;
+        device->Vulkan_DestroySurface = UIKit_Vulkan_DestroySurface;
+#endif
+
+#ifdef SDL_VIDEO_METAL
+        device->Metal_CreateView = UIKit_Metal_CreateView;
+        device->Metal_DestroyView = UIKit_Metal_DestroyView;
+        device->Metal_GetLayer = UIKit_Metal_GetLayer;
+#endif
+
+        device->device_caps = VIDEO_DEVICE_CAPS_SENDS_FULLSCREEN_DIMENSIONS;
+
+        device->gl_config.accelerated = 1;
+
+        return device;
+    }
+}
+
+VideoBootStrap UIKIT_bootstrap = {
+    UIKITVID_DRIVER_NAME, "SDL UIKit video driver",
+    UIKit_CreateDevice,
+    UIKit_ShowMessageBox,
+    false
+};
+
+static bool UIKit_VideoInit(SDL_VideoDevice *_this)
+{
+    _this->gl_config.driver_loaded = 1;
+
+    if (!UIKit_InitModes(_this)) {
+        return false;
+    }
+
+    SDL_InitGCKeyboard();
+    SDL_InitGCMouse();
+
+    UIKit_InitClipboard(_this);
+
+    return true;
+}
+
+static void UIKit_VideoQuit(SDL_VideoDevice *_this)
+{
+    UIKit_QuitClipboard(_this);
+
+    SDL_QuitGCKeyboard();
+    SDL_QuitGCMouse();
+
+    UIKit_QuitModes(_this);
+}
+
+bool UIKit_SuspendScreenSaver(SDL_VideoDevice *_this)
+{
+    @autoreleasepool {
+        UIApplication *app = [UIApplication sharedApplication];
+
+        // Prevent the display from dimming and going to sleep.
+        app.idleTimerDisabled = (_this->suspend_screensaver != false);
+    }
+    return true;
+}
+
+bool UIKit_IsSystemVersionAtLeast(double version)
+{
+    return [[UIDevice currentDevice].systemVersion doubleValue] >= version;
+}
+
+SDL_SystemTheme UIKit_GetSystemTheme(void)
+{
+#ifndef SDL_PLATFORM_VISIONOS
+    if (@available(iOS 12.0, tvOS 10.0, *)) {
+        switch ([UIScreen mainScreen].traitCollection.userInterfaceStyle) {
+        case UIUserInterfaceStyleDark:
+            return SDL_SYSTEM_THEME_DARK;
+        case UIUserInterfaceStyleLight:
+            return SDL_SYSTEM_THEME_LIGHT;
+        default:
+            break;
+        }
+    }
+#endif
+    return SDL_SYSTEM_THEME_UNKNOWN;
+}
+
+#ifdef SDL_PLATFORM_VISIONOS
+CGRect UIKit_ComputeViewFrame(SDL_Window *window){
+    return CGRectMake(window->x, window->y, window->w, window->h);
+}
+#else
+CGRect UIKit_ComputeViewFrame(SDL_Window *window, UIScreen *screen)
+{
+    SDL_UIKitWindowData *data = (__bridge SDL_UIKitWindowData *)window->internal;
+    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;
+    }
+
+#ifndef SDL_PLATFORM_TVOS
+    /* iOS 10 seems to have a bug where, in certain conditions, putting the
+     * device to sleep with the a landscape-only app open, re-orienting the
+     * device to portrait, and turning it back on will result in the screen
+     * bounds returning portrait orientation despite the app being in landscape.
+     * This is a workaround until a better solution can be found.
+     * https://bugzilla.libsdl.org/show_bug.cgi?id=3505
+     * https://bugzilla.libsdl.org/show_bug.cgi?id=3465
+     * https://forums.developer.apple.com/thread/65337 */
+    UIInterfaceOrientation orient = [UIApplication sharedApplication].statusBarOrientation;
+    BOOL landscape = UIInterfaceOrientationIsLandscape(orient) ||
+                    !(UIKit_GetSupportedOrientations(window) & (UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskPortraitUpsideDown));
+    BOOL fullscreen = CGRectEqualToRect(screen.bounds, frame);
+
+    /* 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;
+    }
+#endif
+
+    return frame;
+}
+
+#endif
+
+void UIKit_ForceUpdateHomeIndicator(void)
+{
+#ifndef SDL_PLATFORM_TVOS
+    // Force the main SDL window to re-evaluate home indicator state
+    SDL_Window *focus = SDL_GetKeyboardFocus();
+    if (focus) {
+        SDL_UIKitWindowData *data = (__bridge SDL_UIKitWindowData *)focus->internal;
+        if (data != nil) {
+            [data.viewcontroller performSelectorOnMainThread:@selector(setNeedsUpdateOfHomeIndicatorAutoHidden) withObject:nil waitUntilDone:NO];
+            [data.viewcontroller performSelectorOnMainThread:@selector(setNeedsUpdateOfScreenEdgesDeferringSystemGestures) withObject:nil waitUntilDone:NO];
+        }
+    }
+#endif // !SDL_PLATFORM_TVOS
+}
+
+/*
+ * iOS log support.
+ *
+ * This doesn't really have anything 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!
+ */
+
+#ifndef SDL_VIDEO_DRIVER_COCOA
+void SDL_NSLog(const char *prefix, const char *text)
+{
+    @autoreleasepool {
+        NSString *nsText = [NSString stringWithUTF8String:text];
+        if (prefix && *prefix) {
+            NSString *nsPrefix = [NSString stringWithUTF8String:prefix];
+            NSLog(@"%@%@", nsPrefix, nsText);
+        } else {
+            NSLog(@"%@", nsText);
+        }
+    }
+}
+#endif // SDL_VIDEO_DRIVER_COCOA
+
+/*
+ * iOS Tablet, etc, detection
+ *
+ * This doesn't really have anything to do with the interfaces of the SDL video
+ * subsystem, but we need to stuff this into an Objective-C source code file.
+ */
+bool SDL_IsIPad(void)
+{
+    return ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad);
+}
+
+bool SDL_IsAppleTV(void)
+{
+    return ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomTV);
+}
+
+#endif // SDL_VIDEO_DRIVER_UIKIT