X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=OSX%2FXScreenSaverView.m;h=947525dde25b52bfcc64ea4c2600663367c6d174;hp=6caf2e8cbf5a45e0beca364f004814de154822e9;hb=4361b69d3178d7fc98d0388f9a223af6c2651aba;hpb=488f2fa8fbdbc77e91a70da2962d73af49e6cace diff --git a/OSX/XScreenSaverView.m b/OSX/XScreenSaverView.m index 6caf2e8c..947525dd 100644 --- a/OSX/XScreenSaverView.m +++ b/OSX/XScreenSaverView.m @@ -1,13 +1,13 @@ -/* xscreensaver, Copyright (c) 2006, 2007 Jamie Zawinski -* -* Permission to use, copy, modify, distribute, and sell this software and its -* documentation for any purpose is hereby granted without fee, provided that -* the above copyright notice appear in all copies and that both that -* copyright notice and this permission notice appear in supporting -* documentation. No representations are made about the suitability of this -* software for any purpose. It is provided "as is" without express or -* implied warranty. -*/ +/* xscreensaver, Copyright (c) 2006-2017 Jamie Zawinski + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation. No representations are made about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + */ /* This is a subclass of Apple's ScreenSaverView that knows how to run xscreensaver programs without X11 via the dark magic of the "jwxyz" @@ -15,12 +15,47 @@ the "screenhack.c" module. */ +#import +#import +#import #import "XScreenSaverView.h" #import "XScreenSaverConfigSheet.h" +#import "Updater.h" #import "screenhackI.h" #import "xlockmoreI.h" +#import "pow2.h" +#import "jwxyzI.h" +#import "jwxyz-cocoa.h" #import "jwxyz-timers.h" +#ifdef USE_IPHONE +// XScreenSaverView.m speaks OpenGL ES just fine, but enableBackbuffer does +// need (jwzgles_)gluCheckExtension. +# import "jwzglesI.h" +#else +# import +#endif + +/* Garbage collection only exists if we are being compiled against the + 10.6 SDK or newer, not if we are building against the 10.4 SDK. + */ +#ifndef MAC_OS_X_VERSION_10_6 +# define MAC_OS_X_VERSION_10_6 1060 /* undefined in 10.4 SDK, grr */ +#endif +#ifndef MAC_OS_X_VERSION_10_12 +# define MAC_OS_X_VERSION_10_12 101200 +#endif +#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6 && \ + MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_12) + /* 10.6 SDK or later, and earlier than 10.12 SDK */ +# import +# define DO_GC_HACKERY +#endif + +/* Duplicated in xlockmoreI.h and XScreenSaverGLView.m. */ +extern void clear_gl_error (void); +extern void check_gl_error (const char *type); + extern struct xscreensaver_function_table *xscreensaver_function_table; /* Global variables used by the screen savers @@ -30,19 +65,75 @@ const char *progclass; int mono_p = 0; +# ifdef USE_IPHONE + +# define NSSizeToCGSize(x) (x) + +extern NSDictionary *make_function_table_dict(void); // ios-function-table.m + +/* Stub definition of the superclass, for iPhone. + */ +@implementation ScreenSaverView +{ + NSTimeInterval anim_interval; + Bool animating_p; + NSTimer *anim_timer; +} + +- (id)initWithFrame:(NSRect)frame isPreview:(BOOL)isPreview { + self = [super initWithFrame:frame]; + if (! self) return 0; + anim_interval = 1.0/30; + return self; +} +- (NSTimeInterval)animationTimeInterval { return anim_interval; } +- (void)setAnimationTimeInterval:(NSTimeInterval)i { anim_interval = i; } +- (BOOL)hasConfigureSheet { return NO; } +- (NSWindow *)configureSheet { return nil; } +- (NSView *)configureView { return nil; } +- (BOOL)isPreview { return NO; } +- (BOOL)isAnimating { return animating_p; } +- (void)animateOneFrame { } + +- (void)startAnimation { + if (animating_p) return; + animating_p = YES; + anim_timer = [NSTimer scheduledTimerWithTimeInterval: anim_interval + target:self + selector:@selector(animateOneFrame) + userInfo:nil + repeats:YES]; +} + +- (void)stopAnimation { + if (anim_timer) { + [anim_timer invalidate]; + anim_timer = 0; + } + animating_p = NO; +} +@end + +# endif // !USE_IPHONE + + + +@interface XScreenSaverView (Private) +- (void) stopAndClose; +- (void) stopAndClose:(Bool)relaunch; +@end + @implementation XScreenSaverView -- (struct xscreensaver_function_table *) findFunctionTable +// Given a lower-cased saver name, returns the function table for it. +// If no name, guess the name from the class's bundle name. +// +- (struct xscreensaver_function_table *) findFunctionTable:(NSString *)name { NSBundle *nsb = [NSBundle bundleForClass:[self class]]; NSAssert1 (nsb, @"no bundle for class %@", [self class]); - + NSString *path = [nsb bundlePath]; - NSString *name = [[[path lastPathComponent] stringByDeletingPathExtension] - lowercaseString]; - NSString *suffix = @"_xscreensaver_function_table"; - NSString *table_name = [name stringByAppendingString:suffix]; - CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, (CFStringRef) path, kCFURLPOSIXPathStyle, @@ -50,11 +141,34 @@ int mono_p = 0; CFBundleRef cfb = CFBundleCreate (kCFAllocatorDefault, url); CFRelease (url); NSAssert1 (cfb, @"no CFBundle for \"%@\"", path); + // #### Analyze says "Potential leak of an object stored into cfb" + if (! name) + name = [[path lastPathComponent] stringByDeletingPathExtension]; + + name = [[name lowercaseString] + stringByReplacingOccurrencesOfString:@" " + withString:@""]; + +# ifndef USE_IPHONE + // CFBundleGetDataPointerForName doesn't work in "Archive" builds. + // I'm guessing that symbol-stripping is mandatory. Fuck. + NSString *table_name = [name stringByAppendingString: + @"_xscreensaver_function_table"]; void *addr = CFBundleGetDataPointerForName (cfb, (CFStringRef) table_name); - NSAssert2 (addr, @"no symbol \"%@\" in bundle %@", table_name, path); + CFRelease (cfb); + + if (! addr) + NSLog (@"no symbol \"%@\" for \"%@\"", table_name, path); + +# else // USE_IPHONE + // Depends on the auto-generated "ios-function-table.m" being up to date. + if (! function_tables) + function_tables = [make_function_table_dict() retain]; + NSValue *v = [function_tables objectForKey: name]; + void *addr = v ? [v pointerValue] : 0; +# endif // USE_IPHONE -// NSLog (@"%@ = 0x%08X", table_name, (unsigned long) addr); return (struct xscreensaver_function_table *) addr; } @@ -72,15 +186,15 @@ int mono_p = 0; const char *dir = [nsdir cStringUsingEncoding:NSUTF8StringEncoding]; const char *opath = getenv ("PATH"); if (!opath) opath = "/bin"; // $PATH is unset when running under Shark! - char *npath = (char *) malloc (strlen (opath) + strlen (dir) + 30); - strcpy (npath, "PATH="); - strcat (npath, dir); + char *npath = (char *) malloc (strlen (opath) + strlen (dir) + 2); + strcpy (npath, dir); strcat (npath, ":"); strcat (npath, opath); - if (putenv (npath)) { - perror ("putenv"); - abort(); + if (setenv ("PATH", npath, 1)) { + perror ("setenv"); + NSAssert1 (0, @"setenv \"PATH=%s\" failed", npath); } + free (npath); } @@ -94,14 +208,33 @@ int mono_p = 0; NSAssert1 (nsb, @"no bundle for class %@", [self class]); const char *s = [name cStringUsingEncoding:NSUTF8StringEncoding]; - char *env = (char *) malloc (strlen (s) + 40); - strcpy (env, "XSCREENSAVER_CLASSPATH="); - strcat (env, s); - if (putenv (env)) { - perror ("putenv"); - abort(); + if (setenv ("XSCREENSAVER_CLASSPATH", s, 1)) { + perror ("setenv"); + NSAssert1 (0, @"setenv \"XSCREENSAVER_CLASSPATH=%s\" failed", s); + } +} + + +- (void) loadCustomFonts +{ +# ifndef USE_IPHONE + NSBundle *nsb = [NSBundle bundleForClass:[self class]]; + NSMutableArray *fonts = [NSMutableArray arrayWithCapacity:20]; + for (NSString *ext in @[@"ttf", @"otf"]) { + [fonts addObjectsFromArray: [nsb pathsForResourcesOfType:ext + inDirectory:NULL]]; + } + for (NSString *font in fonts) { + CFURLRef url = (CFURLRef) [NSURL fileURLWithPath: font]; + CFErrorRef err = 0; + if (! CTFontManagerRegisterFontsForURL (url, kCTFontManagerScopeProcess, + &err)) { + // Just ignore errors: + // "The file has already been registered in the specified scope." + // NSLog (@"loading font: %@ %@", url, err); + } } - free (env); +# endif // !USE_IPHONE } @@ -114,28 +247,88 @@ add_default_options (const XrmOptionDescRec *opts, /* These aren't "real" command-line options (there are no actual command-line options in the Cocoa version); but this is the somewhat kludgey way that the and tags in the - ../hacks/config/*.xml files communicate with the preferences database. + ../hacks/config/\*.xml files communicate with the preferences database. */ static const XrmOptionDescRec default_options [] = { { "-text-mode", ".textMode", XrmoptionSepArg, 0 }, { "-text-literal", ".textLiteral", XrmoptionSepArg, 0 }, { "-text-file", ".textFile", XrmoptionSepArg, 0 }, { "-text-url", ".textURL", XrmoptionSepArg, 0 }, + { "-text-program", ".textProgram", XrmoptionSepArg, 0 }, { "-grab-desktop", ".grabDesktopImages", XrmoptionNoArg, "True" }, { "-no-grab-desktop", ".grabDesktopImages", XrmoptionNoArg, "False"}, { "-choose-random-images", ".chooseRandomImages",XrmoptionNoArg, "True" }, { "-no-choose-random-images",".chooseRandomImages",XrmoptionNoArg, "False"}, { "-image-directory", ".imageDirectory", XrmoptionSepArg, 0 }, + { "-fps", ".doFPS", XrmoptionNoArg, "True" }, + { "-no-fps", ".doFPS", XrmoptionNoArg, "False"}, + { "-foreground", ".foreground", XrmoptionSepArg, 0 }, + { "-fg", ".foreground", XrmoptionSepArg, 0 }, + { "-background", ".background", XrmoptionSepArg, 0 }, + { "-bg", ".background", XrmoptionSepArg, 0 }, + +# ifndef USE_IPHONE + // + { "-" SUSUEnableAutomaticChecksKey, + "." SUSUEnableAutomaticChecksKey, XrmoptionNoArg, "True" }, + { "-no-" SUSUEnableAutomaticChecksKey, + "." SUSUEnableAutomaticChecksKey, XrmoptionNoArg, "False" }, + { "-" SUAutomaticallyUpdateKey, + "." SUAutomaticallyUpdateKey, XrmoptionNoArg, "True" }, + { "-no-" SUAutomaticallyUpdateKey, + "." SUAutomaticallyUpdateKey, XrmoptionNoArg, "False" }, + { "-" SUSendProfileInfoKey, + "." SUSendProfileInfoKey, XrmoptionNoArg,"True" }, + { "-no-" SUSendProfileInfoKey, + "." SUSendProfileInfoKey, XrmoptionNoArg,"False"}, + { "-" SUScheduledCheckIntervalKey, + "." SUScheduledCheckIntervalKey, XrmoptionSepArg, 0 }, +# endif // !USE_IPHONE + { 0, 0, 0, 0 } }; static const char *default_defaults [] = { + +# if defined(USE_IPHONE) && !defined(__OPTIMIZE__) + ".doFPS: True", +# else + ".doFPS: False", +# endif + ".doubleBuffer: True", + ".multiSample: False", +# ifndef USE_IPHONE ".textMode: date", +# else + ".textMode: url", +# endif // ".textLiteral: ", // ".textFile: ", - // ".textURL: ", + ".textURL: https://en.wikipedia.org/w/index.php?title=Special:NewPages&feed=rss", + // ".textProgram: ", ".grabDesktopImages: yes", +# ifndef USE_IPHONE ".chooseRandomImages: no", +# else + ".chooseRandomImages: yes", +# endif ".imageDirectory: ~/Pictures", + ".relaunchDelay: 2", + ".texFontCacheSize: 30", + +# ifndef USE_IPHONE +# define STR1(S) #S +# define STR(S) STR1(S) +# define __objc_yes Yes +# define __objc_no No + "." SUSUEnableAutomaticChecksKey ": " STR(SUSUEnableAutomaticChecksDef), + "." SUAutomaticallyUpdateKey ": " STR(SUAutomaticallyUpdateDef), + "." SUSendProfileInfoKey ": " STR(SUSendProfileInfoDef), + "." SUScheduledCheckIntervalKey ": " STR(SUScheduledCheckIntervalDef), +# undef __objc_yes +# undef __objc_no +# undef STR1 +# undef STR +# endif // USE_IPHONE 0 }; @@ -189,12 +382,19 @@ add_default_options (const XrmOptionDescRec *opts, } -- (id) initWithFrame:(NSRect)frame isPreview:(BOOL)isPreview +- (id) initWithFrame:(NSRect)frame + saverName:(NSString *)saverName + isPreview:(BOOL)isPreview { if (! (self = [super initWithFrame:frame isPreview:isPreview])) return 0; - xsft = [self findFunctionTable]; + xsft = [self findFunctionTable: saverName]; + if (! xsft) { + [self release]; + return 0; + } + [self setShellPath]; setup_p = YES; @@ -206,10 +406,10 @@ add_default_options (const XrmOptionDescRec *opts, "org.jwz.xscreensaver...plist" */ NSString *name = [NSString stringWithCString:xsft->progclass - encoding:NSUTF8StringEncoding]; + encoding:NSISOLatin1StringEncoding]; name = [@"org.jwz.xscreensaver." stringByAppendingString:name]; [self setResourcesEnv:name]; - + [self loadCustomFonts]; XrmOptionDescRec *opts = 0; const char **defs = 0; @@ -223,17 +423,80 @@ add_default_options (const XrmOptionDescRec *opts, progname = progclass = xsft->progclass; next_frame_time = 0; - + +# if !defined USE_IPHONE && defined JWXYZ_QUARTZ + // When the view fills the screen and double buffering is enabled, OS X will + // use page flipping for a minor CPU/FPS boost. In windowed mode, double + // buffering reduces the frame rate to 1/2 the screen's refresh rate. + double_buffered_p = !isPreview; +# endif + +# ifdef USE_IPHONE + [self initGestures]; + + // So we can tell when we're docked. + [UIDevice currentDevice].batteryMonitoringEnabled = YES; + + [self setBackgroundColor:[NSColor blackColor]]; +# endif // USE_IPHONE + +# ifdef JWXYZ_QUARTZ + // Colorspaces and CGContexts only happen with non-GL hacks. + colorspace = CGColorSpaceCreateDeviceRGB (); +# endif + return self; } + +#ifdef USE_IPHONE ++ (Class) layerClass +{ + return [CAEAGLLayer class]; +} +#endif + + +- (id) initWithFrame:(NSRect)frame isPreview:(BOOL)p +{ + return [self initWithFrame:frame saverName:0 isPreview:p]; +} + + - (void) dealloc { - NSAssert(![self isAnimating], @"still animating"); + if ([self isAnimating]) + [self stopAnimation]; NSAssert(!xdata, @"xdata not yet freed"); - if (xdpy) - jwxyz_free_display (xdpy); + NSAssert(!xdpy, @"xdpy not yet freed"); + +# ifdef USE_IPHONE + [[NSNotificationCenter defaultCenter] removeObserver:self]; +# endif + +# ifdef BACKBUFFER_OPENGL +# ifndef USE_IPHONE + [pixfmt release]; +# endif // !USE_IPHONE + [ogl_ctx release]; + // Releasing the OpenGL context should also free any OpenGL objects, + // including the backbuffer texture and frame/render/depthbuffers. +# endif // BACKBUFFER_OPENGL + +# if defined JWXYZ_GL && defined USE_IPHONE + [ogl_ctx_pixmap release]; +# endif // JWXYZ_GL + +# ifdef JWXYZ_QUARTZ + if (colorspace) + CGColorSpaceRelease (colorspace); +# endif // JWXYZ_QUARTZ + [prefsReader release]; + + // xsft + // fpst + [super dealloc]; } @@ -243,15 +506,228 @@ add_default_options (const XrmOptionDescRec *opts, } +#ifdef USE_IPHONE +- (void) lockFocus { } +- (void) unlockFocus { } +#endif // USE_IPHONE + + + +# ifdef USE_IPHONE +/* A few seconds after the saver launches, we store the "wasRunning" + preference. This is so that if the saver is crashing at startup, + we don't launch it again next time, getting stuck in a crash loop. + */ +- (void) allSystemsGo: (NSTimer *) timer +{ + NSAssert (timer == crash_timer, @"crash timer screwed up"); + crash_timer = 0; + + NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults]; + [prefs setBool:YES forKey:@"wasRunning"]; + [prefs synchronize]; +} + + +- (void) resizeGL +{ + if (!ogl_ctx) + return; + + CGSize screen_size = self.bounds.size; + double s = self.contentScaleFactor; + screen_size.width *= s; + screen_size.height *= s; + +#if defined JWXYZ_GL + GLuint *framebuffer = &xwindow->gl_framebuffer; + GLuint *renderbuffer = &xwindow->gl_renderbuffer; + xwindow->window.current_drawable = xwindow; +#elif defined JWXYZ_QUARTZ + GLuint *framebuffer = &gl_framebuffer; + GLuint *renderbuffer = &gl_renderbuffer; +#endif // JWXYZ_QUARTZ + + if (*framebuffer) glDeleteFramebuffersOES (1, framebuffer); + if (*renderbuffer) glDeleteRenderbuffersOES (1, renderbuffer); + + create_framebuffer (framebuffer, renderbuffer); + + // redundant? + // glRenderbufferStorageOES (GL_RENDERBUFFER_OES, GL_RGBA8_OES, + // (int)size.width, (int)size.height); + [ogl_ctx renderbufferStorage:GL_RENDERBUFFER_OES + fromDrawable:(CAEAGLLayer*)self.layer]; + + glFramebufferRenderbufferOES (GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, + GL_RENDERBUFFER_OES, *renderbuffer); + + [self addExtraRenderbuffers:screen_size]; + + check_framebuffer_status(); +} +#endif // USE_IPHONE + + - (void) startAnimation { NSAssert(![self isAnimating], @"already animating"); NSAssert(!initted_p && !xdata, @"already initialized"); + + // See comment in render_x11() for why this value is important: + [self setAnimationTimeInterval: 1.0 / 240.0]; + [super startAnimation]; /* We can't draw on the window from this method, so we actually do the initialization of the screen saver (xsft->init_cb) in the first call to animateOneFrame() instead. */ + +# ifdef USE_IPHONE + if (crash_timer) + [crash_timer invalidate]; + + NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults]; + [prefs removeObjectForKey:@"wasRunning"]; + [prefs synchronize]; + + crash_timer = [NSTimer scheduledTimerWithTimeInterval: 5 + target:self + selector:@selector(allSystemsGo:) + userInfo:nil + repeats:NO]; + +# endif // USE_IPHONE + + // Never automatically turn the screen off if we are docked, + // and an animation is running. + // +# ifdef USE_IPHONE + [UIApplication sharedApplication].idleTimerDisabled = + ([UIDevice currentDevice].batteryState != UIDeviceBatteryStateUnplugged); +# endif + + xwindow = (Window) calloc (1, sizeof(*xwindow)); + xwindow->type = WINDOW; + xwindow->window.view = self; + CFRetain (xwindow->window.view); // needed for garbage collection? + +#ifdef BACKBUFFER_OPENGL + CGSize new_backbuffer_size; + + { +# ifndef USE_IPHONE + if (!ogl_ctx) { + + pixfmt = [self getGLPixelFormat]; + [pixfmt retain]; + + NSAssert (pixfmt, @"unable to create NSOpenGLPixelFormat"); + + // Fun: On OS X 10.7, the second time an OpenGL context is created, after + // the preferences dialog is launched in SaverTester, the context only + // lasts until the first full GC. Then it turns black. Solution is to + // reuse the OpenGL context after this point. + // "Analyze" says that both pixfmt and ogl_ctx are leaked. + ogl_ctx = [[NSOpenGLContext alloc] initWithFormat:pixfmt + shareContext:nil]; + + // Sync refreshes to the vertical blanking interval + GLint r = 1; + [ogl_ctx setValues:&r forParameter:NSOpenGLCPSwapInterval]; +// check_gl_error ("NSOpenGLCPSwapInterval"); // SEGV sometimes. Too early? + } + + [ogl_ctx makeCurrentContext]; + check_gl_error ("makeCurrentContext"); + + // NSOpenGLContext logs an 'invalid drawable' when this is called + // from initWithFrame. + [ogl_ctx setView:self]; + + // This may not be necessary if there's FBO support. +# ifdef JWXYZ_GL + xwindow->window.pixfmt = pixfmt; + CFRetain (xwindow->window.pixfmt); + xwindow->window.virtual_screen = [ogl_ctx currentVirtualScreen]; + xwindow->window.current_drawable = xwindow; + NSAssert (ogl_ctx, @"no CGContext"); +# endif + + // Clear frame buffer ASAP, else there are bits left over from other apps. + glClearColor (0, 0, 0, 1); + glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); +// glFinish (); +// glXSwapBuffers (mi->dpy, mi->window); + + + // Enable multi-threading, if possible. This runs most OpenGL commands + // and GPU management on a second CPU. + { +# ifndef kCGLCEMPEngine +# define kCGLCEMPEngine 313 // Added in MacOS 10.4.8 + XCode 2.4. +# endif + CGLContextObj cctx = CGLGetCurrentContext(); + CGLError err = CGLEnable (cctx, kCGLCEMPEngine); + if (err != kCGLNoError) { + NSLog (@"enabling multi-threaded OpenGL failed: %d", err); + } + } + + new_backbuffer_size = NSSizeToCGSize ([self bounds].size); + +# else // USE_IPHONE + if (!ogl_ctx) { + CAEAGLLayer *eagl_layer = (CAEAGLLayer *) self.layer; + eagl_layer.opaque = TRUE; + eagl_layer.drawableProperties = [self getGLProperties]; + + // Without this, the GL frame buffer is half the screen resolution! + eagl_layer.contentsScale = [UIScreen mainScreen].scale; + + ogl_ctx = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES1]; +# ifdef JWXYZ_GL + ogl_ctx_pixmap = [[EAGLContext alloc] + initWithAPI:kEAGLRenderingAPIOpenGLES1 + sharegroup:ogl_ctx.sharegroup]; +# endif // JWXYZ_GL + + eagl_layer.contentsGravity = [self getCAGravity]; + } + +# ifdef JWXYZ_GL + xwindow->window.ogl_ctx_pixmap = ogl_ctx_pixmap; +# endif // JWXYZ_GL + + [EAGLContext setCurrentContext: ogl_ctx]; + + [self resizeGL]; + + double s = [self hackedContentScaleFactor]; + new_backbuffer_size = self.bounds.size; + new_backbuffer_size.width *= s; + new_backbuffer_size.height *= s; + +# endif // USE_IPHONE + +# ifdef JWXYZ_GL + xwindow->ogl_ctx = ogl_ctx; +# ifndef USE_IPHONE + CFRetain (xwindow->ogl_ctx); +# endif // USE_IPHONE +# endif // JWXYZ_GL + + check_gl_error ("startAnimation"); + +// NSLog (@"%s / %s / %s\n", glGetString (GL_VENDOR), +// glGetString (GL_RENDERER), glGetString (GL_VERSION)); + + [self enableBackbuffer:new_backbuffer_size]; + } +#endif // BACKBUFFER_OPENGL + + [self setViewport]; + [self createBackbuffer:new_backbuffer_size]; } - (void)stopAnimation @@ -262,178 +738,1142 @@ add_default_options (const XrmOptionDescRec *opts, [self lockFocus]; // in case something tries to draw from here [self prepareContext]; - xsft->free_cb (xdpy, xwindow, xdata); + + /* All of the xlockmore hacks need to have their release functions + called, or launching the same saver twice does not work. Also + webcollage-cocoa needs it in order to kill the inferior webcollage + processes (since the screen saver framework never generates a + SIGPIPE for them). + */ + if (xdata) + xsft->free_cb (xdpy, xwindow, xdata); [self unlockFocus]; + jwxyz_free_display (xdpy); + xdpy = NULL; +# if defined JWXYZ_GL && !defined USE_IPHONE + CFRelease (xwindow->ogl_ctx); +# endif + CFRelease (xwindow->window.view); + free (xwindow); + xwindow = NULL; + // setup_p = NO; // #### wait, do we need this? initted_p = NO; xdata = 0; } +# ifdef USE_IPHONE + if (crash_timer) + [crash_timer invalidate]; + crash_timer = 0; + NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults]; + [prefs removeObjectForKey:@"wasRunning"]; + [prefs synchronize]; +# endif // USE_IPHONE + [super stopAnimation]; + + // When an animation is no longer running (e.g., looking at the list) + // then it's ok to power off the screen when docked. + // +# ifdef USE_IPHONE + [UIApplication sharedApplication].idleTimerDisabled = NO; +# endif + + // Without this, the GL frame stays on screen when switching tabs + // in System Preferences. + // (Or perhaps it used to. It doesn't seem to matter on 10.9.) + // +# ifndef USE_IPHONE + [NSOpenGLContext clearCurrentContext]; +# endif // !USE_IPHONE + + clear_gl_error(); // This hack is defunct, don't let this linger. + +# ifdef JWXYZ_QUARTZ + CGContextRelease (backbuffer); + backbuffer = nil; + + if (backbuffer_len) + munmap (backbuffer_data, backbuffer_len); + backbuffer_data = NULL; + backbuffer_len = 0; +# endif } -/* Hook for the XScreenSaverGLView subclass - */ -- (void) prepareContext +- (NSOpenGLContext *) oglContext { + return ogl_ctx; } -/* Hook for the XScreenSaverGLView subclass - */ -- (void) resizeContext + +// #### maybe this could/should just be on 'lockFocus' instead? +- (void) prepareContext { + if (xwindow) { +#ifdef USE_IPHONE + [EAGLContext setCurrentContext:ogl_ctx]; +#else // !USE_IPHONE + [ogl_ctx makeCurrentContext]; +// check_gl_error ("makeCurrentContext"); +#endif // !USE_IPHONE + +#ifdef JWXYZ_GL + xwindow->window.current_drawable = xwindow; +#endif + } } -- (void) animateOneFrame -{ - if (!initted_p) { - if (! xdpy) { - xdpy = jwxyz_make_display (self); - xwindow = XRootWindow (xdpy, 0); - } +static void +screenhack_do_fps (Display *dpy, Window w, fps_state *fpst, void *closure) +{ + fps_compute (fpst, 0, -1); + fps_draw (fpst); +} - if (!setup_p) { - setup_p = YES; - if (xsft->setup_cb) - xsft->setup_cb (xsft, xsft->setup_arg); - } - initted_p = YES; - resized_p = NO; - NSAssert(!xdata, @"xdata already initialized"); - -# undef ya_rand_init - ya_rand_init (0); - - XSetWindowBackground (xdpy, xwindow, - get_pixel_resource (xdpy, 0, - "background", "Background")); - XClearWindow (xdpy, xwindow); - - [[self window] setAcceptsMouseMovedEvents:YES]; - /* In MacOS 10.5, this enables "QuartzGL", meaning that the Quartz - drawing primitives will run on the GPU instead of the CPU. - It seems like it might make things worse rather than better, - though... Plus it makes us binary-incompatible with 10.4. +#ifdef USE_IPHONE -# if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 - [[self window] setPreferredBackingLocation: - NSWindowBackingLocationVideoMemory]; -# endif - */ +/* On iPhones with Retina displays, we can draw the savers in "real" + pixels, and that works great. The 320x480 "point" screen is really + a 640x960 *pixel* screen. However, Retina iPads have 768x1024 + point screens which are 1536x2048 pixels, and apparently that's + enough pixels that copying those bits to the screen is slow. Like, + drops us from 15fps to 7fps. So, on Retina iPads, we don't draw in + real pixels. This will probably make the savers look better + anyway, since that's a higher resolution than most desktop monitors + have even today. (This is only true for X11 programs, not GL + programs. Those are fine at full rez.) - /* Kludge: even though the init_cb functions are declared to take 2 args, - actually call them with 3, for the benefit of xlockmore_init() and - xlockmore_setup(). - */ - void *(*init_cb) (Display *, Window, void *) = - (void *(*) (Display *, Window, void *)) xsft->init_cb; - - xdata = init_cb (xdpy, xwindow, xsft->setup_arg); - } + This method is overridden in XScreenSaverGLView, since this kludge + isn't necessary for GL programs, being resolution independent by + nature. + */ +- (CGFloat) hackedContentScaleFactor +{ + NSSize bsize = [self bounds].size; - /* I don't understand why we have to do this *every frame*, but we do, - or else the cursor comes back on. - */ - if (![self isPreview]) - [NSCursor setHiddenUntilMouseMoves:YES]; + CGFloat + max_bsize = bsize.width > bsize.height ? bsize.width : bsize.height; - /* It turns out that [ScreenSaverView setAnimationTimeInterval] does nothing. - This is bad, because some of the screen hacks want to delay for long - periods (like 5 seconds or a minute!) between frames, and running them - all at 60 FPS is no good. - - So, we don't use setAnimationTimeInterval, and just let the framework call - us whenever. But, we only invoke the screen hack's "draw frame" method - when enough time has expired. - - This means two extra calls to gettimeofday() per frame. For fast-cycling - screen savers, that might actually slow them down. Oh well. + // Ratio of screen size in pixels to view size in points. + CGFloat s = self.contentScaleFactor; - #### Also, we do not run the draw callback faster than the system's - animationTimeInterval, so if any savers are pickier about timing - than that, this may slow them down too much. If that's a problem, - then we could call draw_cb in a loop here (with usleep) until the - next call would put us past animationTimeInterval... But a better - approach would probably be to just change the saver to not do that. - */ - struct timeval tv; - gettimeofday (&tv, 0); - double now = tv.tv_sec + (tv.tv_usec / 1000000.0); - if (now < next_frame_time) return; - - [self prepareContext]; + // Two constraints: - if (resized_p) { - // We do this here instead of in setFrameSize so that all the - // Xlib drawing takes place under the animation timer. - [self resizeContext]; - NSRect r = [self frame]; - xsft->reshape_cb (xdpy, xwindow, xdata, r.size.width, r.size.height); - resized_p = NO; - } + // 1. Don't exceed -- let's say 1280 pixels in either direction. + // (Otherwise the frame rate gets bad.) + // Actually let's make that 1440 since iPhone 6 is natively 1334. + CGFloat mag0 = ceil(max_bsize * s / 1440); - // Run any XtAppAddInput callbacks now. - // (Note that XtAppAddTimeOut callbacks have already been run by - // the Cocoa event loop.) - // - jwxyz_sources_run (display_sources_data (xdpy)); + // 2. Don't let the pixel size get too small. + // (Otherwise pixels in IFS and similar are too fine.) + // So don't let the result be > 2 pixels per point. + CGFloat mag1 = ceil(s / 2); - // And finally: - // - unsigned long delay = xsft->draw_cb (xdpy, xwindow, xdata); - - XSync (xdpy, 0); - - gettimeofday (&tv, 0); - now = tv.tv_sec + (tv.tv_usec / 1000000.0); - next_frame_time = now + (delay / 1000000.0); + // As of iPhone 6, mag0 is always >= mag1. This may not be true in the future. + // (desired scale factor) = s / (desired magnification factor) + return s / (mag0 > mag1 ? mag0 : mag1); } -- (void)drawRect:(NSRect)rect +double +current_device_rotation (void) { - if (xwindow) // clear to the X window's bg color, not necessarily black. - XClearWindow (xdpy, xwindow); - else - [super drawRect:rect]; // early: black. -} + UIDeviceOrientation o = [[UIDevice currentDevice] orientation]; + /* Sometimes UIDevice doesn't know the proper orientation, or the device is + face up/face down, so in those cases fall back to the status bar + orientation. The SaverViewController tries to set the status bar to the + proper orientation before it creates the XScreenSaverView; see + _storedOrientation in SaverViewController. + */ + if (o == UIDeviceOrientationUnknown || + o == UIDeviceOrientationFaceUp || + o == UIDeviceOrientationFaceDown) { + /* Mind the differences between UIInterfaceOrientation and + UIDeviceOrientation: + 1. UIInterfaceOrientation does not include FaceUp and FaceDown. + 2. LandscapeLeft and LandscapeRight are swapped between the two. But + converting between device and interface orientation doesn't need to + take this into account, because (from the UIInterfaceOrientation + description): "rotating the device requires rotating the content in + the opposite direction." + */ + /* statusBarOrientation deprecated in iOS 9 */ + o = (UIDeviceOrientation) // from UIInterfaceOrientation + [UIApplication sharedApplication].statusBarOrientation; + } -- (void) setFrameSize:(NSSize) newSize -{ - [super setFrameSize:newSize]; - if ([self isAnimating]) { - resized_p = YES; + switch (o) { + case UIDeviceOrientationLandscapeLeft: return -90; break; + case UIDeviceOrientationLandscapeRight: return 90; break; + case UIDeviceOrientationPortraitUpsideDown: return 180; break; + default: return 0; break; } } -- (void) setFrame:(NSRect) newRect + +- (void) handleException: (NSException *)e { - [super setFrame:newRect]; - if (xwindow) // inform Xlib that the window has changed. - jwxyz_window_resized (xdpy, xwindow); + NSLog (@"Caught exception: %@", e); + UIAlertController *c = [UIAlertController + alertControllerWithTitle: + [NSString stringWithFormat: @"%s crashed!", + xsft->progclass] + message: [NSString stringWithFormat: + @"The error message was:" + "\n\n%@\n\n" + "If it keeps crashing, try " + "resetting its options.", + e] + preferredStyle:UIAlertControllerStyleAlert]; + + [c addAction: [UIAlertAction actionWithTitle: @"Exit" + style: UIAlertActionStyleDefault + handler: ^(UIAlertAction *a) { + exit (-1); + }]]; + [c addAction: [UIAlertAction actionWithTitle: @"Keep going" + style: UIAlertActionStyleDefault + handler: ^(UIAlertAction *a) { + [self stopAndClose:NO]; + }]]; + + UIViewController *vc = + [UIApplication sharedApplication].keyWindow.rootViewController; + while (vc.presentedViewController) + vc = vc.presentedViewController; + [vc presentViewController:c animated:YES completion:nil]; + [self stopAnimation]; } +#endif // USE_IPHONE -+(BOOL) performGammaFade -{ - return YES; -} -- (BOOL) hasConfigureSheet +#ifdef JWXYZ_QUARTZ + +# ifndef USE_IPHONE + +struct gl_version { - return YES; + // iOS always uses OpenGL ES 1.1. + unsigned major; + unsigned minor; +}; + +static GLboolean +gl_check_ver (const struct gl_version *caps, + unsigned gl_major, + unsigned gl_minor) +{ + return caps->major > gl_major || + (caps->major == gl_major && caps->minor >= gl_minor); } -- (NSWindow *) configureSheet +# endif + +/* Called during startAnimation before the first call to createBackbuffer. */ +- (void) enableBackbuffer:(CGSize)new_backbuffer_size { - NSBundle *bundle = [NSBundle bundleForClass:[self class]]; +# ifndef USE_IPHONE + struct gl_version version; + + { + const char *version_str = (const char *)glGetString (GL_VERSION); + + /* iPhone is always OpenGL ES 1.1. */ + if (sscanf ((const char *)version_str, "%u.%u", + &version.major, &version.minor) < 2) + { + version.major = 1; + version.minor = 1; + } + } +# endif + + // The OpenGL extensions in use in here are pretty are pretty much ubiquitous + // on OS X, but it's still good form to check. + const GLubyte *extensions = glGetString (GL_EXTENSIONS); + + glGenTextures (1, &backbuffer_texture); + + // On really old systems, it would make sense to split the texture + // into subsections +# ifndef USE_IPHONE + gl_texture_target = (gluCheckExtension ((const GLubyte *) + "GL_ARB_texture_rectangle", + extensions) + ? GL_TEXTURE_RECTANGLE_EXT : GL_TEXTURE_2D); +# else + // OES_texture_npot also provides this, but iOS never provides it. + gl_limited_npot_p = jwzgles_gluCheckExtension + ((const GLubyte *) "GL_APPLE_texture_2D_limited_npot", extensions); + gl_texture_target = GL_TEXTURE_2D; +# endif + + glBindTexture (gl_texture_target, backbuffer_texture); + glTexParameteri (gl_texture_target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + // GL_LINEAR might make sense on Retina iPads. + glTexParameteri (gl_texture_target, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri (gl_texture_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri (gl_texture_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + +# ifndef USE_IPHONE + // There isn't much sense in supporting one of these if the other + // isn't present. + gl_apple_client_storage_p = + gluCheckExtension ((const GLubyte *)"GL_APPLE_client_storage", + extensions) && + gluCheckExtension ((const GLubyte *)"GL_APPLE_texture_range", extensions); + + if (gl_apple_client_storage_p) { + glTexParameteri (gl_texture_target, GL_TEXTURE_STORAGE_HINT_APPLE, + GL_STORAGE_SHARED_APPLE); + glPixelStorei (GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE); + } +# endif + + // If a video adapter suports BGRA textures, then that's probably as fast as + // you're gonna get for getting a texture onto the screen. +# ifdef USE_IPHONE + gl_pixel_format = + jwzgles_gluCheckExtension + ((const GLubyte *)"GL_APPLE_texture_format_BGRA8888", extensions) ? + GL_BGRA : + GL_RGBA; + + gl_pixel_type = GL_UNSIGNED_BYTE; + // See also OES_read_format. +# else + if (gl_check_ver (&version, 1, 2) || + (gluCheckExtension ((const GLubyte *)"GL_EXT_bgra", extensions) && + gluCheckExtension ((const GLubyte *)"GL_APPLE_packed_pixels", + extensions))) { + gl_pixel_format = GL_BGRA; + // Both Intel and PowerPC-era docs say to use GL_UNSIGNED_INT_8_8_8_8_REV. + gl_pixel_type = GL_UNSIGNED_INT_8_8_8_8_REV; + } else { + gl_pixel_format = GL_RGBA; + gl_pixel_type = GL_UNSIGNED_BYTE; + } + // GL_ABGR_EXT/GL_UNSIGNED_BYTE is another possibilty that may have made more + // sense on PowerPC. +# endif + + glEnable (gl_texture_target); + glEnableClientState (GL_VERTEX_ARRAY); + glEnableClientState (GL_TEXTURE_COORD_ARRAY); + + check_gl_error ("enableBackbuffer"); +} + + +#ifdef USE_IPHONE +- (BOOL) suppressRotationAnimation +{ + return [self ignoreRotation]; // Don't animate if we aren't rotating +} + +- (BOOL) rotateTouches +{ + return FALSE; // Adjust event coordinates only if rotating +} +#endif + + +- (void) setViewport +{ +# ifdef BACKBUFFER_OPENGL + NSAssert ([NSOpenGLContext currentContext] == + ogl_ctx, @"invalid GL context"); + + NSSize new_size = self.bounds.size; + +# ifdef USE_IPHONE + GLfloat s = self.contentScaleFactor; + GLfloat hs = self.hackedContentScaleFactor; +# else // !USE_IPHONE + const GLfloat s = 1; + const GLfloat hs = s; +# endif + + // On OS X this almost isn't necessary, except for the ugly aliasing + // artifacts. + glViewport (0, 0, new_size.width * s, new_size.height * s); + + glMatrixMode (GL_PROJECTION); + glLoadIdentity(); +# ifdef USE_IPHONE + glOrthof +# else + glOrtho +# endif + (-new_size.width * hs, new_size.width * hs, + -new_size.height * hs, new_size.height * hs, + -1, 1); + +# ifdef USE_IPHONE + if ([self ignoreRotation]) { + int o = (int) -current_device_rotation(); + glRotatef (o, 0, 0, 1); + } +# endif // USE_IPHONE +# endif // BACKBUFFER_OPENGL +} + + +/* Create a bitmap context into which we render everything. + If the desired size has changed, re-created it. + new_size is in rotated pixels, not points: the same size + and shape as the X11 window as seen by the hacks. + */ +- (void) createBackbuffer:(CGSize)new_size +{ + CGSize osize = CGSizeZero; + if (backbuffer) { + osize.width = CGBitmapContextGetWidth(backbuffer); + osize.height = CGBitmapContextGetHeight(backbuffer); + } + + if (backbuffer && + (int)osize.width == (int)new_size.width && + (int)osize.height == (int)new_size.height) + return; + + CGContextRef ob = backbuffer; + void *odata = backbuffer_data; + GLsizei olen = backbuffer_len; + +# if !defined __OPTIMIZE__ || TARGET_IPHONE_SIMULATOR + NSLog(@"backbuffer %.0fx%.0f", + new_size.width, new_size.height); +# endif + + /* OS X uses APPLE_client_storage and APPLE_texture_range, as described in + . + + iOS uses bog-standard glTexImage2D (for now). + + glMapBuffer is the standard way to get data from system RAM to video + memory asynchronously and without a memcpy, but support for + APPLE_client_storage is ubiquitous on OS X (not so for glMapBuffer), + and on iOS GL_PIXEL_UNPACK_BUFFER is only available on OpenGL ES 3 + (iPhone 5S or newer). Plus, glMapBuffer doesn't work well with + CGBitmapContext: glMapBuffer can return a different pointer on each + call, but a CGBitmapContext doesn't allow its data pointer to be + changed -- and recreating the context for a new pointer can be + expensive (glyph caches get dumped, for instance). + + glMapBufferRange has MAP_FLUSH_EXPLICIT_BIT and MAP_UNSYNCHRONIZED_BIT, + and these seem to allow mapping the buffer and leaving it where it is + in client address space while OpenGL works with the buffer, but it + requires OpenGL 3 Core profile on OS X (and ES 3 on iOS for + GL_PIXEL_UNPACK_BUFFER), so point goes to APPLE_client_storage. + + AMD_pinned_buffer provides the same advantage as glMapBufferRange, but + Apple never implemented that one for OS X. + */ + + backbuffer_data = NULL; + gl_texture_w = (int)new_size.width; + gl_texture_h = (int)new_size.height; + + NSAssert (gl_texture_target == GL_TEXTURE_2D +# ifndef USE_IPHONE + || gl_texture_target == GL_TEXTURE_RECTANGLE_EXT +# endif + , @"unexpected GL texture target"); + +# ifndef USE_IPHONE + if (gl_texture_target != GL_TEXTURE_RECTANGLE_EXT) +# else + if (!gl_limited_npot_p) +# endif + { + gl_texture_w = (GLsizei) to_pow2 (gl_texture_w); + gl_texture_h = (GLsizei) to_pow2 (gl_texture_h); + } + + GLsizei bytes_per_row = gl_texture_w * 4; + +# if defined(BACKBUFFER_OPENGL) && !defined(USE_IPHONE) + // APPLE_client_storage requires texture width to be aligned to 32 bytes, or + // it will fall back to a memcpy. + // https://developer.apple.com/library/mac/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_texturedata/opengl_texturedata.html#//apple_ref/doc/uid/TP40001987-CH407-SW24 + bytes_per_row = (bytes_per_row + 31) & ~31; +# endif // BACKBUFFER_OPENGL && !USE_IPHONE + + backbuffer_len = bytes_per_row * gl_texture_h; + if (backbuffer_len) // mmap requires this to be non-zero. + backbuffer_data = mmap (NULL, backbuffer_len, + PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, + -1, 0); + + BOOL alpha_first_p, order_little_p; + + if (gl_pixel_format == GL_BGRA) { + alpha_first_p = YES; + order_little_p = YES; +/* + } else if (gl_pixel_format == GL_ABGR_EXT) { + alpha_first_p = NO; + order_little_p = YES; */ + } else { + NSAssert (gl_pixel_format == GL_RGBA, @"unknown GL pixel format"); + alpha_first_p = NO; + order_little_p = NO; + } + +#ifdef USE_IPHONE + NSAssert (gl_pixel_type == GL_UNSIGNED_BYTE, @"unknown GL pixel type"); +#else + NSAssert (gl_pixel_type == GL_UNSIGNED_INT_8_8_8_8 || + gl_pixel_type == GL_UNSIGNED_INT_8_8_8_8_REV || + gl_pixel_type == GL_UNSIGNED_BYTE, + @"unknown GL pixel type"); + +#if defined __LITTLE_ENDIAN__ + const GLenum backwards_pixel_type = GL_UNSIGNED_INT_8_8_8_8; +#elif defined __BIG_ENDIAN__ + const GLenum backwards_pixel_type = GL_UNSIGNED_INT_8_8_8_8_REV; +#else +# error Unknown byte order. +#endif + + if (gl_pixel_type == backwards_pixel_type) + order_little_p ^= YES; +#endif + + CGBitmapInfo bitmap_info = + (alpha_first_p ? kCGImageAlphaNoneSkipFirst : kCGImageAlphaNoneSkipLast) | + (order_little_p ? kCGBitmapByteOrder32Little : kCGBitmapByteOrder32Big); + + backbuffer = CGBitmapContextCreate (backbuffer_data, + (int)new_size.width, + (int)new_size.height, + 8, + bytes_per_row, + colorspace, + bitmap_info); + NSAssert (backbuffer, @"unable to allocate back buffer"); + + // Clear it. + CGRect r; + r.origin.x = r.origin.y = 0; + r.size = new_size; + CGContextSetGrayFillColor (backbuffer, 0, 1); + CGContextFillRect (backbuffer, r); + +# if defined(BACKBUFFER_OPENGL) && !defined(USE_IPHONE) + if (gl_apple_client_storage_p) + glTextureRangeAPPLE (gl_texture_target, backbuffer_len, backbuffer_data); +# endif // BACKBUFFER_OPENGL && !USE_IPHONE + + if (ob) { + // Restore old bits, as much as possible, to the X11 upper left origin. + + CGRect rect; // pixels, not points + rect.origin.x = 0; + rect.origin.y = (new_size.height - osize.height); + rect.size = osize; + + CGImageRef img = CGBitmapContextCreateImage (ob); + CGContextDrawImage (backbuffer, rect, img); + CGImageRelease (img); + CGContextRelease (ob); + + if (olen) + // munmap should round len up to the nearest page. + munmap (odata, olen); + } + + check_gl_error ("createBackbuffer"); +} + + +- (void) drawBackbuffer +{ +# ifdef BACKBUFFER_OPENGL + + NSAssert ([ogl_ctx isKindOfClass:[NSOpenGLContext class]], + @"ogl_ctx is not an NSOpenGLContext"); + + NSAssert (! (CGBitmapContextGetBytesPerRow (backbuffer) % 4), + @"improperly-aligned backbuffer"); + + // This gets width and height from the backbuffer in case + // APPLE_client_storage is in use. See the note in createBackbuffer. + // This still has to happen every frame even when APPLE_client_storage has + // the video adapter pulling texture data straight from + // XScreenSaverView-owned memory. + glTexImage2D (gl_texture_target, 0, GL_RGBA, + (GLsizei)(CGBitmapContextGetBytesPerRow (backbuffer) / 4), + gl_texture_h, 0, gl_pixel_format, gl_pixel_type, + backbuffer_data); + + GLfloat w = xwindow->frame.width, h = xwindow->frame.height; + + GLfloat vertices[4][2] = {{-w, h}, {w, h}, {w, -h}, {-w, -h}}; + + GLfloat tex_coords[4][2]; + +# ifndef USE_IPHONE + if (gl_texture_target != GL_TEXTURE_RECTANGLE_EXT) +# endif // USE_IPHONE + { + w /= gl_texture_w; + h /= gl_texture_h; + } + + tex_coords[0][0] = 0; + tex_coords[0][1] = 0; + tex_coords[1][0] = w; + tex_coords[1][1] = 0; + tex_coords[2][0] = w; + tex_coords[2][1] = h; + tex_coords[3][0] = 0; + tex_coords[3][1] = h; + + glVertexPointer (2, GL_FLOAT, 0, vertices); + glTexCoordPointer (2, GL_FLOAT, 0, tex_coords); + glDrawArrays (GL_TRIANGLE_FAN, 0, 4); + +# if !defined __OPTIMIZE__ || TARGET_IPHONE_SIMULATOR + check_gl_error ("drawBackbuffer"); +# endif +# endif // BACKBUFFER_OPENGL +} + +#endif // JWXYZ_QUARTZ + +#ifdef JWXYZ_GL + +- (void)enableBackbuffer:(CGSize)new_backbuffer_size; +{ + jwxyz_set_matrices (new_backbuffer_size.width, new_backbuffer_size.height); + check_gl_error ("enableBackbuffer"); +} + +- (void)createBackbuffer:(CGSize)new_size +{ + NSAssert ([NSOpenGLContext currentContext] == + ogl_ctx, @"invalid GL context"); + NSAssert (xwindow->window.current_drawable == xwindow, + @"current_drawable not set properly"); + +# ifndef USE_IPHONE + /* On iOS, Retina means glViewport gets called with the screen size instead + of the backbuffer/xwindow size. This happens in startAnimation. + + The GL screenhacks call glViewport themselves. + */ + glViewport (0, 0, new_size.width, new_size.height); +# endif + + // TODO: Preserve contents on resize. + glClear (GL_COLOR_BUFFER_BIT); + check_gl_error ("createBackbuffer"); +} + +#endif // JWXYZ_GL + + +- (void)flushBackbuffer +{ +# ifdef JWXYZ_GL + // Make sure the right context is active: there's two under JWXYZ_GL. + jwxyz_bind_drawable (xwindow, xwindow); +# endif // JWXYZ_GL + +# ifndef USE_IPHONE + +# ifdef JWXYZ_QUARTZ + // The OpenGL pipeline is not automatically synchronized with the contents + // of the backbuffer, so without glFinish, OpenGL can start rendering from + // the backbuffer texture at the same time that JWXYZ is clearing and + // drawing the next frame in the backing store for the backbuffer texture. + // This is only a concern under JWXYZ_QUARTZ because of + // APPLE_client_storage; JWXYZ_GL doesn't use that. + glFinish(); +# endif // JWXYZ_QUARTZ + + // If JWXYZ_GL was single-buffered, there would need to be a glFinish (or + // maybe just glFlush?) here, because single-buffered contexts don't always + // update what's on the screen after drawing finishes. (i.e., in safe mode) + +# ifdef JWXYZ_QUARTZ + // JWXYZ_GL is always double-buffered. + if (double_buffered_p) +# endif // JWXYZ_QUARTZ + [ogl_ctx flushBuffer]; // despite name, this actually swaps +# else // USE_IPHONE + + // jwxyz_bind_drawable() only binds the framebuffer, not the renderbuffer. +# ifdef JWXYZ_GL + GLint gl_renderbuffer = xwindow->gl_renderbuffer; +# endif + + glBindRenderbufferOES (GL_RENDERBUFFER_OES, gl_renderbuffer); + [ogl_ctx presentRenderbuffer:GL_RENDERBUFFER_OES]; +# endif // USE_IPHONE + +# if !defined __OPTIMIZE__ || TARGET_IPHONE_SIMULATOR + // glGetError waits for the OpenGL command pipe to flush, so skip it in + // release builds. + // OpenGL Programming Guide for Mac -> OpenGL Application Design + // Strategies -> Allow OpenGL to Manage Your Resources + // https://developer.apple.com/library/mac/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_designstrategies/opengl_designstrategies.html#//apple_ref/doc/uid/TP40001987-CH2-SW7 + check_gl_error ("flushBackbuffer"); +# endif +} + + +/* Inform X11 that the size of our window has changed. + */ +- (void) resize_x11 +{ + if (!xdpy) return; // early + + NSSize new_size; // pixels, not points + + new_size = self.bounds.size; + +# ifdef USE_IPHONE + + // If this hack ignores rotation, then that means that it pretends to + // always be in portrait mode. If the View has been resized to a + // landscape shape, swap width and height to keep the backbuffer + // in portrait. + // + double rot = current_device_rotation(); + if ([self ignoreRotation] && (rot == 90 || rot == -90)) { + CGFloat swap = new_size.width; + new_size.width = new_size.height; + new_size.height = swap; + } + + double s = self.hackedContentScaleFactor; + new_size.width *= s; + new_size.height *= s; +# endif // USE_IPHONE + + [self prepareContext]; + [self setViewport]; + + // On first resize, xwindow->frame is 0x0. + if (xwindow->frame.width == new_size.width && + xwindow->frame.height == new_size.height) + return; + +# if defined(BACKBUFFER_OPENGL) && !defined(USE_IPHONE) + [ogl_ctx update]; +# endif // BACKBUFFER_OPENGL && !USE_IPHONE + + NSAssert (xwindow && xwindow->type == WINDOW, @"not a window"); + xwindow->frame.x = 0; + xwindow->frame.y = 0; + xwindow->frame.width = new_size.width; + xwindow->frame.height = new_size.height; + + [self createBackbuffer:CGSizeMake(xwindow->frame.width, + xwindow->frame.height)]; + +# if defined JWXYZ_QUARTZ + xwindow->cgc = backbuffer; + NSAssert (xwindow->cgc, @"no CGContext"); +# elif defined JWXYZ_GL && !defined USE_IPHONE + [ogl_ctx update]; + [ogl_ctx setView:xwindow->window.view]; // (Is this necessary?) +# endif // JWXYZ_GL && USE_IPHONE + + jwxyz_window_resized (xdpy); + +# if !defined __OPTIMIZE__ || TARGET_IPHONE_SIMULATOR + NSLog(@"reshape %.0fx%.0f", new_size.width, new_size.height); +# endif + + // Next time render_x11 is called, run the saver's reshape_cb. + resized_p = YES; +} + + +#ifdef USE_IPHONE + +/* Called by SaverRunner when the device has changed orientation. + That means we need to generate a resize event, even if the size + has not changed (e.g., from LandscapeLeft to LandscapeRight). + */ +- (void) orientationChanged +{ + [self setViewport]; + resized_p = YES; + next_frame_time = 0; // Get a new frame on screen quickly +} + +/* A hook run after the 'reshape_' method has been called. Used by + XScreenSaverGLView to adjust the in-scene GL viewport. + */ +- (void) postReshape +{ +} +#endif // USE_IPHONE + + +// Only render_x11 should call this. XScreenSaverGLView specializes it. +- (void) reshape_x11 +{ + xsft->reshape_cb (xdpy, xwindow, xdata, + xwindow->frame.width, xwindow->frame.height); +} + +- (void) render_x11 +{ +# ifdef USE_IPHONE + @try { +# endif + + // jwxyz_make_display needs this. + [self prepareContext]; // resize_x11 also calls this. + + if (!initted_p) { + + if (! xdpy) { +# ifdef JWXYZ_QUARTZ + xwindow->cgc = backbuffer; +# endif // JWXYZ_QUARTZ + xdpy = jwxyz_make_display (xwindow); + +# if defined USE_IPHONE + /* Some X11 hacks (fluidballs) want to ignore all rotation events. */ + _ignoreRotation = +# ifdef JWXYZ_GL + TRUE; // Rotation doesn't work yet. TODO: Make rotation work. +# else // !JWXYZ_GL + get_boolean_resource (xdpy, "ignoreRotation", "IgnoreRotation"); +# endif // !JWXYZ_GL +# endif // USE_IPHONE + + [self resize_x11]; + } + + if (!setup_p) { + setup_p = YES; + if (xsft->setup_cb) + xsft->setup_cb (xsft, xsft->setup_arg); + } + initted_p = YES; + resized_p = NO; + NSAssert(!xdata, @"xdata already initialized"); + + +# undef ya_rand_init + ya_rand_init (0); + + XSetWindowBackground (xdpy, xwindow, + get_pixel_resource (xdpy, 0, + "background", "Background")); + XClearWindow (xdpy, xwindow); + +# ifndef USE_IPHONE + [[self window] setAcceptsMouseMovedEvents:YES]; +# endif + + /* In MacOS 10.5, this enables "QuartzGL", meaning that the Quartz + drawing primitives will run on the GPU instead of the CPU. + It seems like it might make things worse rather than better, + though... Plus it makes us binary-incompatible with 10.4. + +# if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 + [[self window] setPreferredBackingLocation: + NSWindowBackingLocationVideoMemory]; +# endif + */ + + /* Kludge: even though the init_cb functions are declared to take 2 args, + actually call them with 3, for the benefit of xlockmore_init() and + xlockmore_setup(). + */ + void *(*init_cb) (Display *, Window, void *) = + (void *(*) (Display *, Window, void *)) xsft->init_cb; + + xdata = init_cb (xdpy, xwindow, xsft->setup_arg); + // NSAssert(xdata, @"no xdata from init"); + if (! xdata) abort(); + + if (get_boolean_resource (xdpy, "doFPS", "DoFPS")) { + fpst = fps_init (xdpy, xwindow); + fps_cb = xsft->fps_cb; + if (! fps_cb) fps_cb = screenhack_do_fps; + } else { + fpst = NULL; + fps_cb = 0; + } + +# ifdef USE_IPHONE + if (current_device_rotation() != 0) // launched while rotated + resized_p = YES; +# endif + + [self checkForUpdates]; + } + + + /* I don't understand why we have to do this *every frame*, but we do, + or else the cursor comes back on. + */ +# ifndef USE_IPHONE + if (![self isPreview]) + [NSCursor setHiddenUntilMouseMoves:YES]; +# endif + + + if (fpst) + { + /* This is just a guess, but the -fps code wants to know how long + we were sleeping between frames. + */ + long usecs = 1000000 * [self animationTimeInterval]; + usecs -= 200; // caller apparently sleeps for slightly less sometimes... + if (usecs < 0) usecs = 0; + fps_slept (fpst, usecs); + } + + + /* Run any XtAppAddInput and XtAppAddTimeOut callbacks now. + Do this before delaying for next_frame_time to avoid throttling + timers to the hack's frame rate. + */ + XtAppProcessEvent (XtDisplayToApplicationContext (xdpy), + XtIMTimer | XtIMAlternateInput); + + + /* It turns out that on some systems (possibly only 10.5 and older?) + [ScreenSaverView setAnimationTimeInterval] does nothing. This means + that we cannot rely on it. + + Some of the screen hacks want to delay for long periods, and letting the + framework run the update function at 30 FPS when it really wanted half a + minute between frames would be bad. So instead, we assume that the + framework's animation timer might fire whenever, but we only invoke the + screen hack's "draw frame" method when enough time has expired. + + This means two extra calls to gettimeofday() per frame. For fast-cycling + screen savers, that might actually slow them down. Oh well. + + A side-effect of this is that it's not possible for a saver to request + an animation interval that is faster than animationTimeInterval. + + HOWEVER! On modern systems where setAnimationTimeInterval is *not* + ignored, it's important that it be faster than 30 FPS. 240 FPS is good. + + An NSTimer won't fire if the timer is already running the invocation + function from a previous firing. So, if we use a 30 FPS + animationTimeInterval (33333 µs) and a screenhack takes 40000 µs for a + frame, there will be a 26666 µs delay until the next frame, 66666 µs + after the beginning of the current frame. In other words, 25 FPS + becomes 15 FPS. + + Frame rates tend to snap to values of 30/N, where N is a positive + integer, i.e. 30 FPS, 15 FPS, 10, 7.5, 6. And the 'snapped' frame rate + is rounded down from what it would normally be. + + So if we set animationTimeInterval to 1/240 instead of 1/30, frame rates + become values of 60/N, 120/N, or 240/N, with coarser or finer frame rate + steps for higher or lower animation time intervals respectively. + */ + struct timeval tv; + gettimeofday (&tv, 0); + double now = tv.tv_sec + (tv.tv_usec / 1000000.0); + if (now < next_frame_time) return; + + // [self flushBackbuffer]; + + if (resized_p) { + // We do this here instead of in setFrame so that all the + // Xlib drawing takes place under the animation timer. + +# ifndef USE_IPHONE + if (ogl_ctx) + [ogl_ctx setView:self]; +# endif // !USE_IPHONE + + [self reshape_x11]; + resized_p = NO; + } + + + // And finally: + // + // NSAssert(xdata, @"no xdata when drawing"); + if (! xdata) abort(); + unsigned long delay = xsft->draw_cb (xdpy, xwindow, xdata); + if (fpst && fps_cb) + fps_cb (xdpy, xwindow, fpst, xdata); + + gettimeofday (&tv, 0); + now = tv.tv_sec + (tv.tv_usec / 1000000.0); + next_frame_time = now + (delay / 1000000.0); + +# ifdef JWXYZ_QUARTZ + [self drawBackbuffer]; +# endif + // This can also happen near the beginning of render_x11. + [self flushBackbuffer]; + +# ifdef USE_IPHONE // Allow savers on the iPhone to run full-tilt. + if (delay < [self animationTimeInterval]) + [self setAnimationTimeInterval:(delay / 1000000.0)]; +# endif + +# ifdef DO_GC_HACKERY + /* Current theory is that the 10.6 garbage collector sucks in the + following way: + + It only does a collection when a threshold of outstanding + collectable allocations has been surpassed. However, CoreGraphics + creates lots of small collectable allocations that contain pointers + to very large non-collectable allocations: a small CG object that's + collectable referencing large malloc'd allocations (non-collectable) + containing bitmap data. So the large allocation doesn't get freed + until GC collects the small allocation, which triggers its finalizer + to run which frees the large allocation. So GC is deciding that it + doesn't really need to run, even though the process has gotten + enormous. GC eventually runs once pageouts have happened, but by + then it's too late, and the machine's resident set has been + sodomized. + + So, we force an exhaustive garbage collection in this process + approximately every 5 seconds whether the system thinks it needs + one or not. + */ + { + static int tick = 0; + if (++tick > 5*30) { + tick = 0; + objc_collect (OBJC_EXHAUSTIVE_COLLECTION); + } + } +# endif // DO_GC_HACKERY + +# ifdef USE_IPHONE + } + @catch (NSException *e) { + [self handleException: e]; + } +# endif // USE_IPHONE +} + + +- (void) animateOneFrame +{ + // Render X11 into the backing store bitmap... + +# ifdef JWXYZ_QUARTZ + NSAssert (backbuffer, @"no back buffer"); + +# ifdef USE_IPHONE + UIGraphicsPushContext (backbuffer); +# endif +# endif // JWXYZ_QUARTZ + + [self render_x11]; + +# if defined USE_IPHONE && defined JWXYZ_QUARTZ + UIGraphicsPopContext(); +# endif +} + + +# ifndef USE_IPHONE // Doesn't exist on iOS + +- (void) setFrame:(NSRect) newRect +{ + [super setFrame:newRect]; + + if (xwindow) // inform Xlib that the window has changed now. + [self resize_x11]; +} + +- (void) setFrameSize:(NSSize) newSize +{ + [super setFrameSize:newSize]; + if (xwindow) + [self resize_x11]; +} + +# else // USE_IPHONE + +- (void) layoutSubviews +{ + [super layoutSubviews]; + [self resizeGL]; + if (xwindow) + [self resize_x11]; +} + +# endif + + ++(BOOL) performGammaFade +{ + return YES; +} + +- (BOOL) hasConfigureSheet +{ + return YES; +} + ++ (NSString *) decompressXML: (NSData *)data +{ + if (! data) return 0; + BOOL compressed_p = !!strncmp ((const char *) data.bytes, "")); + } + + NSString *s = [[NSString alloc] + initWithData:data encoding:NSUTF8StringEncoding]; + [s autorelease]; + return s; +} + + +#ifndef USE_IPHONE +- (NSWindow *) configureSheet +#else +- (UIViewController *) configureView +#endif +{ + NSBundle *bundle = [NSBundle bundleForClass:[self class]]; NSString *file = [NSString stringWithCString:xsft->progclass - encoding:NSUTF8StringEncoding]; + encoding:NSISOLatin1StringEncoding]; file = [file lowercaseString]; NSString *path = [bundle pathForResource:file ofType:@"xml"]; if (!path) { @@ -442,38 +1882,93 @@ add_default_options (const XrmOptionDescRec *opts, return nil; } - NSWindow *sheet = [[XScreenSaverConfigSheet alloc] - initWithXMLFile:path - options:xsft->options - controller:[prefsReader userDefaultsController]]; - +# ifdef USE_IPHONE + UIViewController *sheet; +# else // !USE_IPHONE + NSWindow *sheet; +# endif // !USE_IPHONE + + NSData *xmld = [NSData dataWithContentsOfFile:path]; + NSString *xml = [[self class] decompressXML: xmld]; + sheet = [[XScreenSaverConfigSheet alloc] + initWithXML:[xml dataUsingEncoding:NSUTF8StringEncoding] + options:xsft->options + controller:[prefsReader userDefaultsController] + globalController:[prefsReader globalDefaultsController] + defaults:[prefsReader defaultOptions]]; + // #### am I expected to retain this, or not? wtf. // I thought not, but if I don't do this, we (sometimes) crash. - [sheet retain]; + // #### Analyze says "potential leak of an object stored into sheet" + // [sheet retain]; return sheet; } +- (NSUserDefaultsController *) userDefaultsController +{ + return [prefsReader userDefaultsController]; +} + + /* Announce our willingness to accept keyboard input. -*/ + */ - (BOOL)acceptsFirstResponder { return YES; } +- (void) beep +{ +# ifndef USE_IPHONE + NSBeep(); +# else // USE_IPHONE + + // There's no way to play a standard system alert sound! + // We'd have to include our own WAV for that. + // + // Or we could vibrate: + // #import + // AudioServicesPlaySystemSound (kSystemSoundID_Vibrate); + // + // Instead, just flash the screen white, then fade. + // + UIView *v = [[UIView alloc] initWithFrame: [self frame]]; + [v setBackgroundColor: [UIColor whiteColor]]; + [[self window] addSubview:v]; + [UIView animateWithDuration: 0.1 + animations:^{ [v setAlpha: 0.0]; } + completion:^(BOOL finished) { [v removeFromSuperview]; } ]; + +# endif // USE_IPHONE +} + + +/* Send an XEvent to the hack. Returns YES if it was handled. + */ +- (BOOL) sendEvent: (XEvent *) e +{ + if (!initted_p || ![self isAnimating]) // no event handling unless running. + return NO; + + [self lockFocus]; + [self prepareContext]; + BOOL result = xsft->event_cb (xdpy, xwindow, xdata, e); + [self unlockFocus]; + return result; +} + + +#ifndef USE_IPHONE + /* Convert an NSEvent into an XEvent, and pass it along. Returns YES if it was handled. */ -- (BOOL) doEvent: (NSEvent *) e +- (BOOL) convertEvent: (NSEvent *) e type: (int) type { - if (![self isPreview] || // no event handling if actually screen-saving! - ![self isAnimating] || - !initted_p) - return NO; - XEvent xe; memset (&xe, 0, sizeof(xe)); @@ -488,9 +1983,14 @@ add_default_options (const XrmOptionDescRec *opts, NSPoint p = [[[e window] contentView] convertPoint:[e locationInWindow] toView:self]; - int x = p.x; - int y = [self frame].size.height - p.y; - +# ifdef USE_IPHONE + double s = [self hackedContentScaleFactor]; +# else + int s = 1; +# endif + int x = s * p.x; + int y = s * ([self bounds].size.height - p.y); + xe.xany.type = type; switch (type) { case ButtonPress: @@ -499,9 +1999,13 @@ add_default_options (const XrmOptionDescRec *opts, xe.xbutton.y = y; xe.xbutton.state = state; if ([e type] == NSScrollWheel) - xe.xbutton.button = ([e deltaY] > 0 ? Button4 : Button5); + xe.xbutton.button = ([e deltaY] > 0 ? Button4 : + [e deltaY] < 0 ? Button5 : + [e deltaX] > 0 ? Button6 : + [e deltaX] < 0 ? Button7 : + 0); else - xe.xbutton.button = [e buttonNumber] + 1; + xe.xbutton.button = (unsigned int) [e buttonNumber] + 1; break; case MotionNotify: xe.xmotion.x = x; @@ -511,84 +2015,896 @@ add_default_options (const XrmOptionDescRec *opts, case KeyPress: case KeyRelease: { - NSString *nss = [e characters]; - const char *s = [nss cStringUsingEncoding:NSUTF8StringEncoding]; - xe.xkey.keycode = (s && *s ? *s : 0); + NSString *ns = (([e type] == NSFlagsChanged) ? 0 : + [e charactersIgnoringModifiers]); + KeySym k = 0; + + if (!ns || [ns length] == 0) // dead key + { + // Cocoa hides the difference between left and right keys. + // Also we only get KeyPress events for these, no KeyRelease + // (unless we hack the mod state manually. Bleh.) + // + if (flags & NSAlphaShiftKeyMask) k = XK_Caps_Lock; + else if (flags & NSShiftKeyMask) k = XK_Shift_L; + else if (flags & NSControlKeyMask) k = XK_Control_L; + else if (flags & NSAlternateKeyMask) k = XK_Alt_L; + else if (flags & NSCommandKeyMask) k = XK_Meta_L; + } + else if ([ns length] == 1) // real key + { + switch ([ns characterAtIndex:0]) { + case NSLeftArrowFunctionKey: k = XK_Left; break; + case NSRightArrowFunctionKey: k = XK_Right; break; + case NSUpArrowFunctionKey: k = XK_Up; break; + case NSDownArrowFunctionKey: k = XK_Down; break; + case NSPageUpFunctionKey: k = XK_Page_Up; break; + case NSPageDownFunctionKey: k = XK_Page_Down; break; + case NSHomeFunctionKey: k = XK_Home; break; + case NSPrevFunctionKey: k = XK_Prior; break; + case NSNextFunctionKey: k = XK_Next; break; + case NSBeginFunctionKey: k = XK_Begin; break; + case NSEndFunctionKey: k = XK_End; break; + case NSF1FunctionKey: k = XK_F1; break; + case NSF2FunctionKey: k = XK_F2; break; + case NSF3FunctionKey: k = XK_F3; break; + case NSF4FunctionKey: k = XK_F4; break; + case NSF5FunctionKey: k = XK_F5; break; + case NSF6FunctionKey: k = XK_F6; break; + case NSF7FunctionKey: k = XK_F7; break; + case NSF8FunctionKey: k = XK_F8; break; + case NSF9FunctionKey: k = XK_F9; break; + case NSF10FunctionKey: k = XK_F10; break; + case NSF11FunctionKey: k = XK_F11; break; + case NSF12FunctionKey: k = XK_F12; break; + default: + { + const char *ss = + [ns cStringUsingEncoding:NSISOLatin1StringEncoding]; + k = (ss && *ss ? *ss : 0); + } + break; + } + } + + if (! k) return YES; // E.g., "KeyRelease XK_Shift_L" + + xe.xkey.keycode = k; xe.xkey.state = state; break; } default: - abort(); + NSAssert1 (0, @"unknown X11 event type: %d", type); + break; } - [self lockFocus]; - [self prepareContext]; - BOOL result = xsft->event_cb (xdpy, xwindow, xdata, &xe); - [self unlockFocus]; - return result; + return [self sendEvent: &xe]; } - (void) mouseDown: (NSEvent *) e { - if (! [self doEvent:e type:ButtonPress]) + if (! [self convertEvent:e type:ButtonPress]) [super mouseDown:e]; } - (void) mouseUp: (NSEvent *) e { - if (! [self doEvent:e type:ButtonRelease]) + if (! [self convertEvent:e type:ButtonRelease]) [super mouseUp:e]; } - (void) otherMouseDown: (NSEvent *) e { - if (! [self doEvent:e type:ButtonPress]) + if (! [self convertEvent:e type:ButtonPress]) [super otherMouseDown:e]; } - (void) otherMouseUp: (NSEvent *) e { - if (! [self doEvent:e type:ButtonRelease]) + if (! [self convertEvent:e type:ButtonRelease]) [super otherMouseUp:e]; } - (void) mouseMoved: (NSEvent *) e { - if (! [self doEvent:e type:MotionNotify]) + if (! [self convertEvent:e type:MotionNotify]) [super mouseMoved:e]; } - (void) mouseDragged: (NSEvent *) e { - if (! [self doEvent:e type:MotionNotify]) + if (! [self convertEvent:e type:MotionNotify]) [super mouseDragged:e]; } - (void) otherMouseDragged: (NSEvent *) e { - if (! [self doEvent:e type:MotionNotify]) + if (! [self convertEvent:e type:MotionNotify]) [super otherMouseDragged:e]; } - (void) scrollWheel: (NSEvent *) e { - if (! [self doEvent:e type:ButtonPress]) + if (! [self convertEvent:e type:ButtonPress]) [super scrollWheel:e]; } - (void) keyDown: (NSEvent *) e { - if (! [self doEvent:e type:KeyPress]) + if (! [self convertEvent:e type:KeyPress]) [super keyDown:e]; } - (void) keyUp: (NSEvent *) e { - if (! [self doEvent:e type:KeyRelease]) + if (! [self convertEvent:e type:KeyRelease]) [super keyUp:e]; } +- (void) flagsChanged: (NSEvent *) e +{ + if (! [self convertEvent:e type:KeyPress]) + [super flagsChanged:e]; +} + + +- (NSOpenGLPixelFormat *) getGLPixelFormat +{ + NSAssert (prefsReader, @"no prefsReader for getGLPixelFormat"); + + NSOpenGLPixelFormatAttribute attrs[40]; + int i = 0; + attrs[i++] = NSOpenGLPFAColorSize; attrs[i++] = 24; + +/* OpenGL's core profile removes a lot of the same stuff that was removed in + OpenGL ES (e.g. glBegin, glDrawPixels), so it might be a possibility. + + opengl_core_p = True; + if (opengl_core_p) { + attrs[i++] = NSOpenGLPFAOpenGLProfile; + attrs[i++] = NSOpenGLProfileVersion3_2Core; + } + */ + +/* Eventually: multisampled pixmaps. May not be supported everywhere. + if (multi_sample_p) { + attrs[i++] = NSOpenGLPFASampleBuffers; attrs[i++] = 1; + attrs[i++] = NSOpenGLPFASamples; attrs[i++] = 6; + } + */ + +# ifdef JWXYZ_QUARTZ + // Under Quartz, we're just blitting a texture. + if (double_buffered_p) + attrs[i++] = NSOpenGLPFADoubleBuffer; +# endif + +# ifdef JWXYZ_GL + /* Under OpenGL, all sorts of drawing commands are being issued, and it might + be a performance problem if this activity occurs on the front buffer. + Also, some screenhacks expect OS X/iOS to always double-buffer. + NSOpenGLPFABackingStore prevents flickering with screenhacks that + don't redraw the entire screen every frame. + */ + attrs[i++] = NSOpenGLPFADoubleBuffer; + attrs[i++] = NSOpenGLPFABackingStore; +# endif + + attrs[i++] = NSOpenGLPFAWindow; +# ifdef JWXYZ_GL + attrs[i++] = NSOpenGLPFAPixelBuffer; + /* ...But not NSOpenGLPFAFullScreen, because that would be for + [NSOpenGLContext setFullScreen]. + */ +# endif + + /* NSOpenGLPFAFullScreen would go here if initWithFrame's isPreview == NO. + */ + + attrs[i] = 0; + + NSOpenGLPixelFormat *p = [[NSOpenGLPixelFormat alloc] + initWithAttributes:attrs]; + [p autorelease]; + return p; +} + +#else // USE_IPHONE + + +- (void) stopAndClose +{ + [self stopAndClose:NO]; +} + + +- (void) stopAndClose:(Bool)relaunch_p +{ + if ([self isAnimating]) + [self stopAnimation]; + + /* Need to make the SaverListController be the firstResponder again + so that it can continue to receive its own shake events. I + suppose that this abstraction-breakage means that I'm adding + XScreenSaverView to the UINavigationController wrong... + */ +// UIViewController *v = [[self window] rootViewController]; +// if ([v isKindOfClass: [UINavigationController class]]) { +// UINavigationController *n = (UINavigationController *) v; +// [[n topViewController] becomeFirstResponder]; +// } + [self resignFirstResponder]; + + if (relaunch_p) { // Fake a shake on the SaverListController. + [_delegate didShake:self]; + } else { // Not launching another, animate our return to the list. +# if !defined __OPTIMIZE__ || TARGET_IPHONE_SIMULATOR + NSLog (@"fading back to saver list"); +# endif + [_delegate wantsFadeOut:self]; + } +} + + +/* We distinguish between taps and drags. + + - Drags/pans (down, motion, up) are sent to the saver to handle. + - Single-taps are sent to the saver to handle. + - Double-taps are sent to the saver as a "Space" keypress. + - Swipes (really, two-finger drags/pans) send Up/Down/Left/RightArrow keys. + - All taps expose the momentary "Close" button. + */ + +- (void)initGestures +{ + UITapGestureRecognizer *dtap = [[UITapGestureRecognizer alloc] + initWithTarget:self + action:@selector(handleDoubleTap)]; + dtap.numberOfTapsRequired = 2; + dtap.numberOfTouchesRequired = 1; + + UITapGestureRecognizer *stap = [[UITapGestureRecognizer alloc] + initWithTarget:self + action:@selector(handleTap:)]; + stap.numberOfTapsRequired = 1; + stap.numberOfTouchesRequired = 1; + + UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] + initWithTarget:self + action:@selector(handlePan:)]; + pan.maximumNumberOfTouches = 1; + pan.minimumNumberOfTouches = 1; + + // I couldn't get Swipe to work, but using a second Pan recognizer works. + UIPanGestureRecognizer *pan2 = [[UIPanGestureRecognizer alloc] + initWithTarget:self + action:@selector(handlePan2:)]; + pan2.maximumNumberOfTouches = 2; + pan2.minimumNumberOfTouches = 2; + + // Also handle long-touch, and treat that the same as Pan. + // Without this, panning doesn't start until there's motion, so the trick + // of holding down your finger to freeze the scene doesn't work. + // + UILongPressGestureRecognizer *hold = [[UILongPressGestureRecognizer alloc] + initWithTarget:self + action:@selector(handleLongPress:)]; + hold.numberOfTapsRequired = 0; + hold.numberOfTouchesRequired = 1; + hold.minimumPressDuration = 0.25; /* 1/4th second */ + + // Two finger pinch to zoom in on the view. + UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc] + initWithTarget:self + action:@selector(handlePinch:)]; + + [stap requireGestureRecognizerToFail: dtap]; + [stap requireGestureRecognizerToFail: hold]; + [dtap requireGestureRecognizerToFail: hold]; + [pan requireGestureRecognizerToFail: hold]; + [pan2 requireGestureRecognizerToFail: pinch]; + + [self setMultipleTouchEnabled:YES]; + + [self addGestureRecognizer: dtap]; + [self addGestureRecognizer: stap]; + [self addGestureRecognizer: pan]; + [self addGestureRecognizer: pan2]; + [self addGestureRecognizer: hold]; + [self addGestureRecognizer: pinch]; + + [dtap release]; + [stap release]; + [pan release]; + [pan2 release]; + [hold release]; + [pinch release]; +} + + +/* Given a mouse (touch) coordinate in unrotated, unscaled view coordinates, + convert it to what X11 and OpenGL expect. + + Getting this crap right is tricky, given the confusion of the various + scale factors, so here's a checklist that I think covers all of the X11 + and OpenGL cases. For each of these: rotate to all 4 orientations; + ensure the mouse tracks properly to all 4 corners. + + Test it in Xcode 6, because Xcode 5.0.2 can't run the iPhone6+ simulator. + + Test hacks must cover: + X11 ignoreRotation = true + X11 ignoreRotation = false + OpenGL (rotation is handled manually, so they never ignoreRotation) + + Test devices must cover: + contentScaleFactor = 1, hackedContentScaleFactor = 1 (iPad 2) + contentScaleFactor = 2, hackedContentScaleFactor = 1 (iPad Retina Air) + contentScaleFactor = 2, hackedContentScaleFactor = 2 (iPhone 5 5s 6 6+) + + iPad 2: 768x1024 / 1 = 768x1024 + iPad Air: 1536x2048 / 2 = 768x1024 (iPad Retina is identical) + iPhone 4s: 640x960 / 2 = 320x480 + iPhone 5: 640x1136 / 2 = 320x568 (iPhone 5s and iPhone 6 are identical) + iPhone 6+: 640x1136 / 2 = 320x568 (nativeBounds 960x1704 nativeScale 3) + + Tests: + iPad2 iPadAir iPhone4s iPhone5 iPhone6+ + Attraction X yes - - - - Y + Fireworkx X no - - - - Y + Carousel GL yes - - - - Y + Voronoi GL no - - - - - + */ +- (void) convertMouse:(CGPoint *)p +{ + CGFloat xx = p->x, yy = p->y; + +# if 0 // TARGET_IPHONE_SIMULATOR + { + XWindowAttributes xgwa; + XGetWindowAttributes (xdpy, xwindow, &xgwa); + NSLog (@"TOUCH %4g, %-4g in %4d x %-4d cs=%.0f hcs=%.0f r=%d ig=%d\n", + p->x, p->y, + xgwa.width, xgwa.height, + [self contentScaleFactor], + [self hackedContentScaleFactor], + [self rotateTouches], [self ignoreRotation]); + } +# endif // TARGET_IPHONE_SIMULATOR + + if ([self rotateTouches]) { + + // The XScreenSaverGLView case: + // The X11 window is rotated, as is the framebuffer. + // The device coordinates match the framebuffer dimensions, + // but might have axes swapped... and we need to swap them + // by ratios. + // + int w = [self frame].size.width; + int h = [self frame].size.height; + GLfloat xr = (GLfloat) xx / w; + GLfloat yr = (GLfloat) yy / h; + GLfloat swap; + int o = (int) current_device_rotation(); + switch (o) { + case -90: case 270: swap = xr; xr = 1-yr; yr = swap; break; + case 90: case -270: swap = xr; xr = yr; yr = 1-swap; break; + case 180: case -180: xr = 1-xr; yr = 1-yr; break; + default: break; + } + xx = xr * w; + yy = yr * h; + + } else if ([self ignoreRotation]) { + + // The X11 case, where the hack has opted not to rotate: + // The X11 window is unrotated, but the framebuffer is rotated. + // The device coordinates match the framebuffer, so they need to + // be de-rotated to match the X11 window. + // + int w = [self frame].size.width; + int h = [self frame].size.height; + int swap; + int o = (int) current_device_rotation(); + switch (o) { + case -90: case 270: swap = xx; xx = h-yy; yy = swap; break; + case 90: case -270: swap = xx; xx = yy; yy = w-swap; break; + case 180: case -180: xx = w-xx; yy = h-yy; break; + default: break; + } + } + + double s = [self hackedContentScaleFactor]; + p->x = xx * s; + p->y = yy * s; + +# if 0 // TARGET_IPHONE_SIMULATOR || !defined __OPTIMIZE__ + { + XWindowAttributes xgwa; + XGetWindowAttributes (xdpy, xwindow, &xgwa); + NSLog (@"touch %4g, %-4g in %4d x %-4d cs=%.0f hcs=%.0f r=%d ig=%d\n", + p->x, p->y, + xgwa.width, xgwa.height, + [self contentScaleFactor], + [self hackedContentScaleFactor], + [self rotateTouches], [self ignoreRotation]); + if (p->x < 0 || p->y < 0 || p->x > xgwa.width || p->y > xgwa.height) + abort(); + } +# endif // TARGET_IPHONE_SIMULATOR +} + + +/* Single click exits saver. + */ +- (void) handleTap:(UIGestureRecognizer *)sender +{ + if (!xwindow) + return; + + XEvent xe; + memset (&xe, 0, sizeof(xe)); + + [self showCloseButton]; + + CGPoint p = [sender locationInView:self]; // this is in points, not pixels + [self convertMouse:&p]; + NSAssert (xwindow->type == WINDOW, @"not a window"); + xwindow->window.last_mouse_x = p.x; + xwindow->window.last_mouse_y = p.y; + + xe.xany.type = ButtonPress; + xe.xbutton.button = 1; + xe.xbutton.x = p.x; + xe.xbutton.y = p.y; + + if (! [self sendEvent: &xe]) + ; //[self beep]; + + xe.xany.type = ButtonRelease; + xe.xbutton.button = 1; + xe.xbutton.x = p.x; + xe.xbutton.y = p.y; + + [self sendEvent: &xe]; +} + + +/* Double click sends Space KeyPress. + */ +- (void) handleDoubleTap +{ + if (!xsft->event_cb || !xwindow) return; + + [self showCloseButton]; + + XEvent xe; + memset (&xe, 0, sizeof(xe)); + xe.xkey.keycode = ' '; + xe.xany.type = KeyPress; + BOOL ok1 = [self sendEvent: &xe]; + xe.xany.type = KeyRelease; + BOOL ok2 = [self sendEvent: &xe]; + if (!(ok1 || ok2)) + [self beep]; +} + + +/* Drag with one finger down: send MotionNotify. + */ +- (void) handlePan:(UIGestureRecognizer *)sender +{ + if (!xsft->event_cb || !xwindow) return; + + [self showCloseButton]; + + XEvent xe; + memset (&xe, 0, sizeof(xe)); + + CGPoint p = [sender locationInView:self]; // this is in points, not pixels + [self convertMouse:&p]; + NSAssert (xwindow && xwindow->type == WINDOW, @"not a window"); + xwindow->window.last_mouse_x = p.x; + xwindow->window.last_mouse_y = p.y; + + switch (sender.state) { + case UIGestureRecognizerStateBegan: + xe.xany.type = ButtonPress; + xe.xbutton.button = 1; + xe.xbutton.x = p.x; + xe.xbutton.y = p.y; + break; + + case UIGestureRecognizerStateEnded: + xe.xany.type = ButtonRelease; + xe.xbutton.button = 1; + xe.xbutton.x = p.x; + xe.xbutton.y = p.y; + break; + + case UIGestureRecognizerStateChanged: + xe.xany.type = MotionNotify; + xe.xmotion.x = p.x; + xe.xmotion.y = p.y; + break; + + default: + break; + } + + BOOL ok = [self sendEvent: &xe]; + if (!ok && xe.xany.type == ButtonRelease) + [self beep]; +} + + +/* Hold one finger down: assume we're about to start dragging. + Treat the same as Pan. + */ +- (void) handleLongPress:(UIGestureRecognizer *)sender +{ + [self handlePan:sender]; +} + + + +/* Drag with 2 fingers down: send arrow keys. + */ +- (void) handlePan2:(UIPanGestureRecognizer *)sender +{ + if (!xsft->event_cb || !xwindow) return; + + [self showCloseButton]; + + if (sender.state != UIGestureRecognizerStateEnded) + return; + + XEvent xe; + memset (&xe, 0, sizeof(xe)); + + CGPoint p = [sender locationInView:self]; // this is in points, not pixels + [self convertMouse:&p]; + + if (fabs(p.x) > fabs(p.y)) + xe.xkey.keycode = (p.x > 0 ? XK_Right : XK_Left); + else + xe.xkey.keycode = (p.y > 0 ? XK_Down : XK_Up); + + BOOL ok1 = [self sendEvent: &xe]; + xe.xany.type = KeyRelease; + BOOL ok2 = [self sendEvent: &xe]; + if (!(ok1 || ok2)) + [self beep]; +} + + +/* Pinch with 2 fingers: zoom in around the center of the fingers. + */ +- (void) handlePinch:(UIPinchGestureRecognizer *)sender +{ + if (!xsft->event_cb || !xwindow) return; + + [self showCloseButton]; + + if (sender.state == UIGestureRecognizerStateBegan) + pinch_transform = self.transform; // Save the base transform + + switch (sender.state) { + case UIGestureRecognizerStateBegan: + case UIGestureRecognizerStateChanged: + { + double scale = sender.scale; + + if (scale < 1) + return; + + self.transform = CGAffineTransformScale (pinch_transform, scale, scale); + + CGPoint p = [sender locationInView: self]; + p.x /= self.layer.bounds.size.width; + p.y /= self.layer.bounds.size.height; + + CGPoint np = CGPointMake (self.bounds.size.width * p.x, + self.bounds.size.height * p.y); + CGPoint op = CGPointMake (self.bounds.size.width * + self.layer.anchorPoint.x, + self.bounds.size.height * + self.layer.anchorPoint.y); + np = CGPointApplyAffineTransform (np, self.transform); + op = CGPointApplyAffineTransform (op, self.transform); + + CGPoint pos = self.layer.position; + pos.x -= op.x; + pos.x += np.x; + pos.y -= op.y; + pos.y += np.y; + self.layer.position = pos; + self.layer.anchorPoint = p; + } + break; + + case UIGestureRecognizerStateEnded: + { + // When released, snap back to the default zoom (but animate it). + + CABasicAnimation *a1 = [CABasicAnimation + animationWithKeyPath:@"position.x"]; + a1.fromValue = [NSNumber numberWithFloat: self.layer.position.x]; + a1.toValue = [NSNumber numberWithFloat: self.bounds.size.width / 2]; + + CABasicAnimation *a2 = [CABasicAnimation + animationWithKeyPath:@"position.y"]; + a2.fromValue = [NSNumber numberWithFloat: self.layer.position.y]; + a2.toValue = [NSNumber numberWithFloat: self.bounds.size.height / 2]; + + CABasicAnimation *a3 = [CABasicAnimation + animationWithKeyPath:@"anchorPoint.x"]; + a3.fromValue = [NSNumber numberWithFloat: self.layer.anchorPoint.x]; + a3.toValue = [NSNumber numberWithFloat: 0.5]; + + CABasicAnimation *a4 = [CABasicAnimation + animationWithKeyPath:@"anchorPoint.y"]; + a4.fromValue = [NSNumber numberWithFloat: self.layer.anchorPoint.y]; + a4.toValue = [NSNumber numberWithFloat: 0.5]; + + CABasicAnimation *a5 = [CABasicAnimation + animationWithKeyPath:@"transform.scale"]; + a5.fromValue = [NSNumber numberWithFloat: sender.scale]; + a5.toValue = [NSNumber numberWithFloat: 1.0]; + + CAAnimationGroup *group = [CAAnimationGroup animation]; + group.duration = 0.3; + group.repeatCount = 1; + group.autoreverses = NO; + group.animations = @[ a1, a2, a3, a4, a5 ]; + group.timingFunction = [CAMediaTimingFunction + functionWithName: + kCAMediaTimingFunctionEaseIn]; + [self.layer addAnimation:group forKey:@"unpinch"]; + + self.transform = pinch_transform; + self.layer.anchorPoint = CGPointMake (0.5, 0.5); + self.layer.position = CGPointMake (self.bounds.size.width / 2, + self.bounds.size.height / 2); + } + break; + default: + abort(); + } +} + + +/* We need this to respond to "shake" gestures + */ +- (BOOL)canBecomeFirstResponder +{ + return YES; +} + +- (void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event +{ +} + + +- (void)motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event +{ +} + +/* Shake means exit and launch a new saver. + */ +- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event +{ + [self stopAndClose:YES]; +} + + +- (void) showCloseButton +{ + double iw = 24; + double ih = iw; + double off = 4; + + if (!closeBox) { + int width = self.bounds.size.width; + closeBox = [[UIView alloc] + initWithFrame:CGRectMake(0, 0, width, ih + off)]; + closeBox.backgroundColor = [UIColor clearColor]; + closeBox.autoresizingMask = + UIViewAutoresizingFlexibleBottomMargin | + UIViewAutoresizingFlexibleWidth; + + // Add the buttons to the bar + UIImage *img1 = [UIImage imageNamed:@"stop"]; + UIImage *img2 = [UIImage imageNamed:@"settings"]; + + UIButton *button = [[UIButton alloc] init]; + [button setFrame: CGRectMake(off, off, iw, ih)]; + [button setBackgroundImage:img1 forState:UIControlStateNormal]; + [button addTarget:self + action:@selector(stopAndClose) + forControlEvents:UIControlEventTouchUpInside]; + [closeBox addSubview:button]; + [button release]; + + button = [[UIButton alloc] init]; + [button setFrame: CGRectMake(width - iw - off, off, iw, ih)]; + [button setBackgroundImage:img2 forState:UIControlStateNormal]; + [button addTarget:self + action:@selector(stopAndOpenSettings) + forControlEvents:UIControlEventTouchUpInside]; + button.autoresizingMask = + UIViewAutoresizingFlexibleBottomMargin | + UIViewAutoresizingFlexibleLeftMargin; + [closeBox addSubview:button]; + [button release]; + + [self addSubview:closeBox]; + } + + if (closeBox.layer.opacity <= 0) { // Fade in + + CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"opacity"]; + anim.duration = 0.2; + anim.repeatCount = 1; + anim.autoreverses = NO; + anim.fromValue = [NSNumber numberWithFloat:0.0]; + anim.toValue = [NSNumber numberWithFloat:1.0]; + [closeBox.layer addAnimation:anim forKey:@"animateOpacity"]; + closeBox.layer.opacity = 1; + } + + // Fade out N seconds from now. + if (closeBoxTimer) + [closeBoxTimer invalidate]; + closeBoxTimer = [NSTimer scheduledTimerWithTimeInterval: 3 + target:self + selector:@selector(closeBoxOff) + userInfo:nil + repeats:NO]; +} + + +- (void)closeBoxOff +{ + if (closeBoxTimer) { + [closeBoxTimer invalidate]; + closeBoxTimer = 0; + } + if (!closeBox) + return; + + CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"opacity"]; + anim.duration = 0.2; + anim.repeatCount = 1; + anim.autoreverses = NO; + anim.fromValue = [NSNumber numberWithFloat: 1]; + anim.toValue = [NSNumber numberWithFloat: 0]; + [closeBox.layer addAnimation:anim forKey:@"animateOpacity"]; + closeBox.layer.opacity = 0; +} + + +- (void) stopAndOpenSettings +{ + NSString *s = [NSString stringWithCString:xsft->progclass + encoding:NSISOLatin1StringEncoding]; + if ([self isAnimating]) + [self stopAnimation]; + [self resignFirstResponder]; + [_delegate wantsFadeOut:self]; + [_delegate openPreferences: s]; + +} + + +- (void)setScreenLocked:(BOOL)locked +{ + if (screenLocked == locked) return; + screenLocked = locked; + if (locked) { + if ([self isAnimating]) + [self stopAnimation]; + } else { + if (! [self isAnimating]) + [self startAnimation]; + } +} + +- (NSDictionary *)getGLProperties +{ + return [NSDictionary dictionaryWithObjectsAndKeys: + kEAGLColorFormatRGBA8, kEAGLDrawablePropertyColorFormat, +# ifdef JWXYZ_GL + /* This could be disabled if we knew the screen would be redrawn + entirely for every frame. + */ + [NSNumber numberWithBool:YES], kEAGLDrawablePropertyRetainedBacking, +# endif // JWXYZ_GL + nil]; +} + +- (void)addExtraRenderbuffers:(CGSize)size +{ + // No extra renderbuffers are needed for 2D screenhacks. +} + + +- (NSString *)getCAGravity +{ + return kCAGravityCenter; // Looks better in e.g. Compass. +// return kCAGravityBottomLeft; +} + +#endif // USE_IPHONE + + +- (void) checkForUpdates +{ +# ifndef USE_IPHONE + // We only check once at startup, even if there are multiple screens, + // and even if this saver is running for many days. + // (Uh, except this doesn't work because this static isn't shared, + // even if we make it an exported global. Not sure why. Oh well.) + static BOOL checked_p = NO; + if (checked_p) return; + checked_p = YES; + + // If it's off, don't bother running the updater. Otherwise, the + // updater will decide if it's time to hit the network. + if (! get_boolean_resource (xdpy, + SUSUEnableAutomaticChecksKey, + SUSUEnableAutomaticChecksKey)) + return; + + NSString *updater = @"XScreenSaverUpdater.app"; + + // There may be multiple copies of the updater: e.g., one in /Applications + // and one in the mounted installer DMG! It's important that we run the + // one from the disk and not the DMG, so search for the right one. + // + NSWorkspace *workspace = [NSWorkspace sharedWorkspace]; + NSBundle *bundle = [NSBundle bundleForClass:[self class]]; + NSArray *search = + @[[[bundle bundlePath] stringByDeletingLastPathComponent], + [@"~/Library/Screen Savers" stringByExpandingTildeInPath], + @"/Library/Screen Savers", + @"/System/Library/Screen Savers", + @"/Applications", + @"/Applications/Utilities"]; + NSString *app_path = nil; + for (NSString *dir in search) { + NSString *p = [dir stringByAppendingPathComponent:updater]; + if ([[NSFileManager defaultManager] fileExistsAtPath:p]) { + app_path = p; + break; + } + } + + if (! app_path) + app_path = [workspace fullPathForApplication:updater]; + + if (app_path && [app_path hasPrefix:@"/Volumes/XScreenSaver "]) + app_path = 0; // The DMG version will not do. + + if (!app_path) { + NSLog(@"Unable to find %@", updater); + return; + } + + NSError *err = nil; + if (! [workspace launchApplicationAtURL:[NSURL fileURLWithPath:app_path] + options:(NSWorkspaceLaunchWithoutAddingToRecents | + NSWorkspaceLaunchWithoutActivation | + NSWorkspaceLaunchAndHide) + configuration:[NSMutableDictionary dictionary] + error:&err]) { + NSLog(@"Unable to launch %@: %@", app_path, err); + } + +# endif // !USE_IPHONE +} + @end @@ -599,7 +2915,7 @@ static PrefsReader * get_prefsReader (Display *dpy) { XScreenSaverView *view = jwxyz_window_view (XRootWindow (dpy, 0)); - if (!view) abort(); + if (!view) return 0; return [view prefsReader]; }