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+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2018 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"
+
+#if SDL_VIDEO_DRIVER_UIKIT
+
+#import <UIKit/UIKit.h>
+
+#include "SDL_video.h"
+#include "SDL_mouse.h"
+#include "SDL_hints.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"
+
+#define UIKITVID_DRIVER_NAME "uikit"
+
+@implementation SDL_VideoData
+
+@end
+
+/* Initialization/Query functions */
+static int UIKit_VideoInit(_THIS);
+static void UIKit_VideoQuit(_THIS);
+
+/* DUMMY driver bootstrap functions */
+
+static int
+UIKit_Available(void)
+{
+ return 1;
+}
+
+static void UIKit_DeleteDevice(SDL_VideoDevice * device)
+{
+ @autoreleasepool {
+ CFRelease(device->driverdata);
+ SDL_free(device);
+ }
+}
+
+static SDL_VideoDevice *
+UIKit_CreateDevice(int devindex)
+{
+ @autoreleasepool {
+ SDL_VideoDevice *device;
+ SDL_VideoData *data;
+
+ /* Initialize all variables that we clean on shutdown */
+ device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
+ if (device) {
+ data = [SDL_VideoData new];
+ } else {
+ SDL_free(device);
+ SDL_OutOfMemory();
+ return (0);
+ }
+
+ device->driverdata = (void *) CFBridgingRetain(data);
+
+ /* 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->GetWindowWMInfo = UIKit_GetWindowWMInfo;
+ device->GetDisplayUsableBounds = UIKit_GetDisplayUsableBounds;
+
+#if SDL_IPHONE_KEYBOARD
+ device->HasScreenKeyboardSupport = UIKit_HasScreenKeyboardSupport;
+ device->ShowScreenKeyboard = UIKit_ShowScreenKeyboard;
+ device->HideScreenKeyboard = UIKit_HideScreenKeyboard;
+ device->IsScreenKeyboardShown = UIKit_IsScreenKeyboardShown;
+ device->SetTextInputRect = UIKit_SetTextInputRect;
+#endif
+
+ device->SetClipboardText = UIKit_SetClipboardText;
+ device->GetClipboardText = UIKit_GetClipboardText;
+ device->HasClipboardText = UIKit_HasClipboardText;
+
+ /* OpenGL (ES) functions */
+ device->GL_MakeCurrent = UIKit_GL_MakeCurrent;
+ device->GL_GetDrawableSize = UIKit_GL_GetDrawableSize;
+ device->GL_SwapWindow = UIKit_GL_SwapWindow;
+ device->GL_CreateContext = UIKit_GL_CreateContext;
+ device->GL_DeleteContext = UIKit_GL_DeleteContext;
+ device->GL_GetProcAddress = UIKit_GL_GetProcAddress;
+ device->GL_LoadLibrary = UIKit_GL_LoadLibrary;
+ device->free = UIKit_DeleteDevice;
+
+#if 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_GetDrawableSize = UIKit_Vulkan_GetDrawableSize;
+#endif
+
+ device->gl_config.accelerated = 1;
+
+ return device;
+ }
+}
+
+VideoBootStrap UIKIT_bootstrap = {
+ UIKITVID_DRIVER_NAME, "SDL UIKit video driver",
+ UIKit_Available, UIKit_CreateDevice
+};
+
+
+int
+UIKit_VideoInit(_THIS)
+{
+ _this->gl_config.driver_loaded = 1;
+
+ if (UIKit_InitModes(_this) < 0) {
+ return -1;
+ }
+ return 0;
+}
+
+void
+UIKit_VideoQuit(_THIS)
+{
+ UIKit_QuitModes(_this);
+}
+
+void
+UIKit_SuspendScreenSaver(_THIS)
+{
+ @autoreleasepool {
+ /* Ignore ScreenSaver API calls if the idle timer hint has been set. */
+ /* FIXME: The idle timer hint should be deprecated for SDL 2.1. */
+ if (!SDL_GetHintBoolean(SDL_HINT_IDLE_TIMER_DISABLED, SDL_FALSE)) {
+ UIApplication *app = [UIApplication sharedApplication];
+
+ /* Prevent the display from dimming and going to sleep. */
+ app.idleTimerDisabled = (_this->suspend_screensaver != SDL_FALSE);
+ }
+ }
+}
+
+SDL_bool
+UIKit_IsSystemVersionAtLeast(double version)
+{
+ return [[UIDevice currentDevice].systemVersion doubleValue] >= version;
+}
+
+CGRect
+UIKit_ComputeViewFrame(SDL_Window *window, UIScreen *screen)
+{
+ CGRect frame = screen.bounds;
+
+#if !TARGET_OS_TV && (__IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_7_0)
+ BOOL hasiOS7 = UIKit_IsSystemVersionAtLeast(7.0);
+
+ /* The view should always show behind the status bar in iOS 7+. */
+ if (!hasiOS7 && !(window->flags & (SDL_WINDOW_BORDERLESS|SDL_WINDOW_FULLSCREEN))) {
+ frame = screen.applicationFrame;
+ }
+#endif
+
+#if !TARGET_OS_TV
+ /* 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 */
+ if (UIKit_IsSystemVersionAtLeast(8.0)) {
+ UIInterfaceOrientation orient = [UIApplication sharedApplication].statusBarOrientation;
+ BOOL isLandscape = UIInterfaceOrientationIsLandscape(orient);
+
+ if (isLandscape != (frame.size.width > frame.size.height)) {
+ float height = frame.size.width;
+ frame.size.width = frame.size.height;
+ frame.size.height = height;
+ }
+ }
+#endif
+
+ return frame;
+}
+
+/*
+ * 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.
+ */
+
+void SDL_NSLog(const char *text)
+{
+ NSLog(@"%s", text);
+}
+
+/*
+ * iOS Tablet detection
+ *
+ * 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.
+ */
+SDL_bool SDL_IsIPad(void)
+{
+ return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad);
+}
+
+#endif /* SDL_VIDEO_DRIVER_UIKIT */
+
+/* vi: set ts=4 sw=4 expandtab: */
generated by cgit v1.1-26-g67d0 at 2025-05-18 20:11:32 +0000