1 /* xscreensaver, Copyright (c) 2006-2019 Jamie Zawinski <jwz@jwz.org> 2 * 3 * Permission to use, copy, modify, distribute, and sell this software and its 4 * documentation for any purpose is hereby granted without fee, provided that 5 * the above copyright notice appear in all copies and that both that 6 * copyright notice and this permission notice appear in supporting 7 * documentation. No representations are made about the suitability of this 8 * software for any purpose. It is provided "as is" without express or 9 * implied warranty. 10 */ 11 12 /* This is a subclass of Apple's ScreenSaverView that knows how to run 13 xscreensaver programs without X11 via the dark magic of the "jwxyz" 14 library. In xscreensaver terminology, this is the replacement for 15 the "screenhack.c" module. 16 */ 17 18 #ifdef USE_IPHONE 19 # import <Foundation/Foundation.h> 20 # import <UIKit/UIKit.h> 21 # define NSView UIView 22 # define NSRect CGRect 23 # define NSSize CGSize 24 # define NSColor UIColor 25 # define NSImage UIImage 26 # define NSEvent UIEvent 27 # define NSWindow UIWindow 28 # define NSOpenGLContext EAGLContext 29 #else 30 # import <Cocoa/Cocoa.h> 31 # import <ScreenSaver/ScreenSaver.h> 32 //# define USE_TOUCHBAR 33 #endif 34 35 36 #import "screenhackI.h" 37 #import "PrefsReader.h" 38 39 #ifdef USE_IPHONE 40 41 @class XScreenSaverView; 42 43 @protocol XScreenSaverViewDelegate 44 - (void) wantsFadeOut:(XScreenSaverView *)saverView; 45 - (void) didShake:(XScreenSaverView *)saverView; 46 - (void) openPreferences: (NSString *)which; 47 @end 48 49 @interface ScreenSaverView : NSView 50 - (id)initWithFrame:(NSRect)frame isPreview:(BOOL)isPreview; 51 - (NSTimeInterval)animationTimeInterval; 52 - (void)setAnimationTimeInterval:(NSTimeInterval)timeInterval; 53 - (void)startAnimation; 54 - (void)stopAnimation; 55 - (BOOL)isAnimating; 56 - (void)animateOneFrame; 57 - (BOOL)hasConfigureSheet; 58 //- (NSWindow*)configureSheet; 59 - (UIViewController*)configureView; 60 - (BOOL)isPreview; 61 @end 62 63 #endif // USE_IPHONE 64 65 66 // Currently only OpenGL backbuffers are supported (OSX and iOS). 67 # define BACKBUFFER_OPENGL 68 69 @interface XScreenSaverView : ScreenSaverView 70 # ifdef USE_IPHONE 71 <UIAlertViewDelegate> 72 # elif defined(USE_TOUCHBAR) 73 <NSTouchBarDelegate> 74 # endif 75 { 76 struct xscreensaver_function_table *xsft; 77 PrefsReader *prefsReader; 78 79 BOOL setup_p; // whether xsft->setup_cb() has been run 80 BOOL initted_p; // whether xsft->init_cb() has been run 81 BOOL resized_p; // whether to run the xsft->reshape_cb() soon 82 double next_frame_time; // time_t in milliseconds of when to tick the frame 83 84 // Data used by the Xlib-flavored screensaver 85 Display *xdpy; 86 Window xwindow; 87 void *xdata; 88 fps_state *fpst; 89 void (*fps_cb) (Display *, Window, fps_state *, void *); 90 91 BOOL _lowrez_p; // Whether the saver prefers 1990s pixels. 92 93 # ifdef USE_IPHONE 94 BOOL screenLocked; 95 BOOL _ignoreRotation; // whether hack requested "always portrait". 96 // some want this, some do not. 97 NSTimer *crash_timer; 98 99 NSDictionary *function_tables; 100 101 id<XScreenSaverViewDelegate> _delegate; 102 103 UIView *closeBox; 104 NSTimer *closeBoxTimer; 105 106 CGAffineTransform pinch_transform; 107 108 # else // !USE_PHONE 109 110 NSOpenGLPixelFormat *pixfmt; 111 112 # endif // !USE_IPHONE 113 114 # ifdef USE_TOUCHBAR 115 XScreenSaverView *touchbar_view; 116 BOOL touchbar_p; 117 # endif 118 119 NSOpenGLContext *ogl_ctx; // OpenGL rendering context 120 121 # ifdef JWXYZ_QUARTZ 122 CGContextRef backbuffer; 123 CGColorSpaceRef colorspace; 124 125 # ifdef BACKBUFFER_OPENGL 126 void *backbuffer_data; 127 GLsizei backbuffer_len; 128 129 GLsizei gl_texture_w, gl_texture_h; 130 131 GLuint backbuffer_texture; 132 GLenum gl_texture_target; 133 GLenum gl_pixel_format, gl_pixel_type; 134 # ifndef USE_IPHONE 135 BOOL double_buffered_p, gl_apple_client_storage_p; 136 # else // USE_IPHONE 137 BOOL gl_limited_npot_p; 138 GLuint gl_framebuffer, gl_renderbuffer; 139 # endif // USE_IPHONE 140 # endif 141 142 # endif // JWXYZ_QUARTZ 143 144 # if defined JWXYZ_GL && defined USE_IPHONE 145 NSOpenGLContext *ogl_ctx_pixmap; 146 # endif // JWXYZ_GL && USE_IPHONE 147 } 148 149 - (id)initWithFrame:(NSRect)frame saverName:(NSString*)n isPreview:(BOOL)p; 150 151 - (void) render_x11; 152 - (NSOpenGLContext *) oglContext; 153 - (void) prepareContext; 154 - (NSUserDefaultsController *) userDefaultsController; 155 + (NSString *) decompressXML:(NSData *)xml; 156 157 - (CGFloat) hackedContentScaleFactor; 158 - (CGFloat) hackedContentScaleFactor:(BOOL)fonts_p; 159 160 #ifdef USE_IPHONE 161 - (void)setScreenLocked:(BOOL)locked; 162 - (NSDictionary *)getGLProperties; 163 - (void)addExtraRenderbuffers:(CGSize)size; 164 - (NSString *)getCAGravity; 165 - (void)orientationChanged; 166 @property (nonatomic, assign) id<XScreenSaverViewDelegate> delegate; 167 @property (nonatomic) BOOL ignoreRotation; 168 - (BOOL)suppressRotationAnimation; 169 - (BOOL)rotateTouches; 170 #else // !USE_IPHONE 171 - (NSOpenGLPixelFormat *)getGLPixelFormat; 172 #endif // !USE_IPHONE 173 174 - (void)enableBackbuffer:(CGSize)new_backbuffer_size; 175 - (void)setViewport; 176 - (void)createBackbuffer:(CGSize)s; 177 - (void)reshape_x11; 178 #ifdef JWXYZ_QUARTZ 179 - (void)drawBackbuffer; 180 #endif // JWXYZ_QUARTZ 181 - (void)flushBackbuffer; 182 183 @end 184