+@interface XScreenSaverView (Private)
+- (void) stopAndClose;
+- (void) stopAndClose:(Bool)relaunch;
+@end
+
@implementation XScreenSaverView
// Given a lower-cased saver name, returns the function table for it.
if (! name)
name = [[path lastPathComponent] stringByDeletingPathExtension];
- NSString *table_name = [[name lowercaseString]
+ NSString *table_name = [[[name lowercaseString]
+ stringByReplacingOccurrencesOfString:@" "
+ withString:@""]
stringByAppendingString:
@"_xscreensaver_function_table"];
void *addr = CFBundleGetDataPointerForName (cfb, (CFStringRef) table_name);
strcat (npath, opath);
if (putenv (npath)) {
perror ("putenv");
- abort();
+ NSAssert1 (0, @"putenv \"%s\" failed", npath);
}
/* Don't free (npath) -- MacOS's putenv() does not copy it. */
strcat (env, s);
if (putenv (env)) {
perror ("putenv");
- abort();
+ NSAssert1 (0, @"putenv \"%s\" failed", env);
}
/* Don't free (env) -- MacOS's putenv() does not copy it. */
}
".textURL: http://twitter.com/statuses/public_timeline.atom",
// ".textProgram: ",
".grabDesktopImages: yes",
+# ifndef USE_IPHONE
".chooseRandomImages: no",
+# else
+ ".chooseRandomImages: yes",
+# endif
".imageDirectory: ~/Pictures",
".relaunchDelay: 2",
0
"org.jwz.xscreensaver.<SAVERNAME>.<NUMBERS>.plist"
*/
NSString *name = [NSString stringWithCString:xsft->progclass
- encoding:NSUTF8StringEncoding];
+ encoding:NSISOLatin1StringEncoding];
name = [@"org.jwz.xscreensaver." stringByAppendingString:name];
[self setResourcesEnv:name];
// xsft
// fpst
- // orientation_timer
[super dealloc];
}
[self setFrame:[self frame]];
}
+
+- (void)alertView:(UIAlertView *)av clickedButtonAtIndex:(NSInteger)i
+{
+ if (i == 0) exit (-1); // Cancel
+ [self stopAndClose]; // Keep going
+}
+
+- (void) handleException: (NSException *)e
+{
+ NSLog (@"Caught exception: %@", e);
+ [[[UIAlertView alloc] initWithTitle:
+ [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]
+ delegate: self
+ cancelButtonTitle: @"Exit"
+ otherButtonTitles: @"Keep going", nil]
+ show];
+ [self stopAnimation];
+}
+
#endif // USE_IPHONE
- (void) render_x11
{
# ifdef USE_IPHONE
+ @try {
+
if (orientation == UIDeviceOrientationUnknown)
[self didRotate:nil];
[self hackRotation];
resized_p = NO;
}
-
// Run any XtAppAddInput callbacks now.
// (Note that XtAppAddTimeOut callbacks have already been run by
// the Cocoa event loop.)
}
}
# endif // DO_GC_HACKERY
+
+# ifdef USE_IPHONE
+ }
+ @catch (NSException *e) {
+ [self handleException: e];
+ }
+# endif // USE_IPHONE
}
{
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) {
break;
}
default:
- abort();
+ NSAssert (0, @"unknown X11 event type: %d", type);
+ break;
}
[self lockFocus];
#else // USE_IPHONE
+- (void) stopAndClose
+{
+ 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 removeFromSuperview];
+ [UIView animateWithDuration: 0.5
+ animations:^{ self.alpha = 0.0; }
+ completion:^(BOOL finished) {
+ [self removeFromSuperview];
+ self.alpha = 1.0;
+ }];
+}
+
+
+- (void) stopAndClose:(Bool)relaunch_p
+{
+ [self stopAndClose];
+
+ if (relaunch_p) { // Fake a shake on the SaverListController.
+ UIViewController *v = [[self window] rootViewController];
+ if ([v isKindOfClass: [UINavigationController class]]) {
+ UINavigationController *n = (UINavigationController *) v;
+ [[n topViewController] motionEnded: UIEventSubtypeMotionShake
+ withEvent: nil];
+ }
+ }
+}
+
+
/* Called after the device's orientation has changed.
Note: we could include a subclass of UIViewController which
}
-/* In the simulator, multi-touch sequences look like this:
+/* I believe we can't use UIGestureRecognizer for tracking touches
+ because UIPanGestureRecognizer doesn't give us enough detail in its
+ callbacks.
+
+ In the simulator, multi-touch sequences look like this:
touchesBegan [touchA, touchB]
touchesEnd [touchA, touchB]
}
+#if 0 // AudioToolbox/AudioToolbox.h
+- (void) beep
+{
+ // There's no way to play a standard system alert sound!
+ // We'd have to include our own WAV for that. Eh, fuck it.
+ AudioServicesPlaySystemSound (kSystemSoundID_Vibrate);
+# if TARGET_IPHONE_SIMULATOR
+ NSLog(@"BEEP"); // The sim doesn't vibrate.
+# endif
+}
+#endif
+
+
+/* We distinguish between taps and drags.
+ - Drags (down, motion, up) are sent to the saver to handle.
+ - Single-taps exit the saver.
+ This means a saver cannot respond to a single-tap. Only a few try to.
+ */
+
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
+ tap_time = 0;
+
if (xsft->event_cb && xwindow) {
double s = self.contentScaleFactor;
XEvent xe;
xe.xbutton.y = s * p.y;
rotate_mouse (&xe.xbutton.x, &xe.xbutton.y, w, h, rot_current_angle);
jwxyz_mouse_moved (xdpy, xwindow, xe.xbutton.x, xe.xbutton.y);
+
+ // Ignore return code: don't care whether the hack handled it.
xsft->event_cb (xdpy, xwindow, xdata, &xe);
+
+ // Remember when/where this was, to determine tap versus drag or hold.
+ tap_time = double_time();
+ tap_point = p;
+
i++;
+ break; // No pinches: only look at the first touch.
}
}
}
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
-
- // Double-tap means "exit" and return to selection menu.
- //
- for (UITouch *touch in touches) {
- if ([touch tapCount] >= 2) {
- if ([self isAnimating])
- [self stopAnimation];
- [self removeFromSuperview];
- return;
- }
- }
-
if (xsft->event_cb && xwindow) {
double s = self.contentScaleFactor;
XEvent xe;
int h = s * [self frame].size.height;
for (UITouch *touch in touches) {
CGPoint p = [touch locationInView:self];
+
+ // If the ButtonRelease came less than half a second after ButtonPress,
+ // and didn't move far, then this was a tap, not a drag or a hold.
+ // Interpret it as "exit".
+ //
+ double dist = sqrt (((p.x - tap_point.x) * (p.x - tap_point.x)) +
+ ((p.y - tap_point.y) * (p.y - tap_point.y)));
+ if (tap_time + 0.5 >= double_time() && dist < 20) {
+ [self stopAndClose];
+ return;
+ }
+
xe.xany.type = ButtonRelease;
xe.xbutton.button = i + 1;
xe.xbutton.x = s * p.x;
jwxyz_mouse_moved (xdpy, xwindow, xe.xbutton.x, xe.xbutton.y);
xsft->event_cb (xdpy, xwindow, xdata, &xe);
i++;
+ break; // No pinches: only look at the first touch.
}
}
}
jwxyz_mouse_moved (xdpy, xwindow, xe.xmotion.x, xe.xmotion.y);
xsft->event_cb (xdpy, xwindow, xdata, &xe);
i++;
+ break; // No pinches: only look at the first touch.
}
}
}
/* We need this to respond to "shake" gestures
*/
-- (BOOL)canBecomeFirstResponder {
+- (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)setScreenLocked:(BOOL)locked
{
get_prefsReader (Display *dpy)
{
XScreenSaverView *view = jwxyz_window_view (XRootWindow (dpy, 0));
- if (!view) abort();
+ if (!view) return 0;
return [view prefsReader];
}
projects / xscreensaver / blobdiff