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Tue, 13 Feb 2024 20:32:30 -0800 (PST) From: Akihiko Odaki Date: Wed, 14 Feb 2024 13:32:03 +0900 Subject: [PATCH v10 3/6] ui/cocoa: Let the platform toggle fullscreen MIME-Version: 1.0 Message-Id: <20240214-cocoa-v10-3-c7ffe5d9f08a@daynix.com> References: <20240214-cocoa-v10-0-c7ffe5d9f08a@daynix.com> In-Reply-To: <20240214-cocoa-v10-0-c7ffe5d9f08a@daynix.com> To: Peter Maydell , =?utf-8?q?Philippe_Mathieu-Dau?= =?utf-8?q?d=C3=A9?= , Gerd Hoffmann , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Marek Glogowski , BALATON Zoltan , Rene Engel Cc: qemu-devel@nongnu.org, Akihiko Odaki X-Mailer: b4 0.12.3 Received-SPF: none client-ip=2607:f8b0:4864:20::62a; envelope-from=akihiko.odaki@daynix.com; helo=mail-pl1-x62a.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, PDS_OTHER_BAD_TLD=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org It allows making the window full screen by clicking full screen button provided by the platform (the left-top green button) and save some code. Signed-off-by: Akihiko Odaki --- ui/cocoa.m | 423 ++++++++++++++++++++++++++++++------------------------------- 1 file changed, 207 insertions(+), 216 deletions(-) diff --git a/ui/cocoa.m b/ui/cocoa.m index cb6090905999..518fae26f6f4 100644 --- a/ui/cocoa.m +++ b/ui/cocoa.m @@ -303,20 +303,17 @@ static void handleAnyDeviceErrors(Error * err) */ @interface QemuCocoaView : NSView { + NSTrackingArea *trackingArea; QEMUScreen screen; - NSWindow *fullScreenWindow; - float cx,cy,cw,ch,cdx,cdy; pixman_image_t *pixman_image; QKbdState *kbd; BOOL isMouseGrabbed; - BOOL isFullscreen; BOOL isAbsoluteEnabled; CFMachPortRef eventsTap; } - (void) switchSurface:(pixman_image_t *)image; - (void) grabMouse; - (void) ungrabMouse; -- (void) toggleFullScreen:(id)sender; - (void) setFullGrab:(id)sender; - (void) handleMonitorInput:(NSEvent *)event; - (bool) handleEvent:(NSEvent *)event; @@ -332,8 +329,6 @@ - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled; */ - (BOOL) isMouseGrabbed; - (BOOL) isAbsoluteEnabled; -- (float) cdx; -- (float) cdy; - (QEMUScreen) gscreen; - (void) raiseAllKeys; @end @@ -391,46 +386,43 @@ - (BOOL) isOpaque return YES; } -- (BOOL) screenContainsPoint:(NSPoint) p +- (void) removeTrackingRect { - return (p.x > -1 && p.x < screen.width && p.y > -1 && p.y < screen.height); + if (trackingArea) { + [self removeTrackingArea:trackingArea]; + [trackingArea release]; + trackingArea = nil; + } } -/* Get location of event and convert to virtual screen coordinate */ -- (CGPoint) screenLocationOfEvent:(NSEvent *)ev +- (void) frameUpdated { - NSWindow *eventWindow = [ev window]; - // XXX: Use CGRect and -convertRectFromScreen: to support macOS 10.10 - CGRect r = CGRectZero; - r.origin = [ev locationInWindow]; - if (!eventWindow) { - if (!isFullscreen) { - return [[self window] convertRectFromScreen:r].origin; - } else { - CGPoint locationInSelfWindow = [[self window] convertRectFromScreen:r].origin; - CGPoint loc = [self convertPoint:locationInSelfWindow fromView:nil]; - if (stretch_video) { - loc.x /= cdx; - loc.y /= cdy; - } - return loc; - } - } else if ([[self window] isEqual:eventWindow]) { - if (!isFullscreen) { - return r.origin; - } else { - CGPoint loc = [self convertPoint:r.origin fromView:nil]; - if (stretch_video) { - loc.x /= cdx; - loc.y /= cdy; - } - return loc; - } - } else { - return [[self window] convertRectFromScreen:[eventWindow convertRectToScreen:r]].origin; + [self removeTrackingRect]; + + if ([self window]) { + NSTrackingAreaOptions options = NSTrackingActiveInKeyWindow | + NSTrackingMouseEnteredAndExited | + NSTrackingMouseMoved; + trackingArea = [[NSTrackingArea alloc] initWithRect:[self frame] + options:options + owner:self + userInfo:nil]; + [self addTrackingArea:trackingArea]; + [self updateUIInfo]; } } +- (void) viewDidMoveToWindow +{ + [self resizeWindow]; + [self frameUpdated]; +} + +- (void) viewWillMoveToWindow:(NSWindow *)newWindow +{ + [self removeTrackingRect]; +} + - (void) hideCursor { if (!cursor_hide) { @@ -510,36 +502,43 @@ - (void) drawRect:(NSRect) rect } } -- (void) setContentDimensions +- (NSSize) fixZoomedFullScreenSize:(NSSize)proposedSize { - COCOA_DEBUG("QemuCocoaView: setContentDimensions\n"); + NSSize size; - if (isFullscreen) { - cdx = [[NSScreen mainScreen] frame].size.width / (float)screen.width; - cdy = [[NSScreen mainScreen] frame].size.height / (float)screen.height; + size.width = (CGFloat)screen.width * proposedSize.height; + size.height = (CGFloat)screen.height * proposedSize.width; - /* stretches video, but keeps same aspect ratio */ - if (stretch_video == true) { - /* use smallest stretch value - prevents clipping on sides */ - if (MIN(cdx, cdy) == cdx) { - cdy = cdx; - } else { - cdx = cdy; - } - } else { /* No stretching */ - cdx = cdy = 1; - } - cw = screen.width * cdx; - ch = screen.height * cdy; - cx = ([[NSScreen mainScreen] frame].size.width - cw) / 2.0; - cy = ([[NSScreen mainScreen] frame].size.height - ch) / 2.0; + if (size.width < size.height) { + size.width /= screen.height; + size.height = proposedSize.height; } else { - cx = 0; - cy = 0; - cw = screen.width; - ch = screen.height; - cdx = 1.0; - cdy = 1.0; + size.width = proposedSize.width; + size.height /= screen.width; + } + + return size; +} + +- (NSSize) screenSafeAreaSize +{ + NSSize size = [[[self window] screen] frame].size; + NSEdgeInsets insets = [[[self window] screen] safeAreaInsets]; + size.width -= insets.left + insets.right; + size.height -= insets.top + insets.bottom; + return size; +} + +- (void) resizeWindow +{ + [[self window] setContentAspectRatio:NSMakeSize(screen.width, screen.height)]; + + if (!stretch_video) { + [[self window] setContentSize:NSMakeSize(screen.width, screen.height)]; + [[self window] center]; + } else if ([[self window] styleMask] & NSWindowStyleMaskFullScreen) { + [[self window] setContentSize:[self fixZoomedFullScreenSize:[self screenSafeAreaSize]]]; + [[self window] center]; } } @@ -563,9 +562,10 @@ - (void) updateUIInfoLocked CGDirectDisplayID display = [[description objectForKey:@"NSScreenNumber"] unsignedIntValue]; NSSize screenSize = [[[self window] screen] frame].size; CGSize screenPhysicalSize = CGDisplayScreenSize(display); + bool isFullscreen = ([[self window] styleMask] & NSWindowStyleMaskFullScreen) != 0; CVDisplayLinkRef displayLink; - frameSize = isFullscreen ? screenSize : [self frame].size; + frameSize = isFullscreen ? [self screenSafeAreaSize] : [self frame].size; if (!CVDisplayLinkCreateWithCGDisplay(display, &displayLink)) { CVTime period = CVDisplayLinkGetNominalOutputVideoRefreshPeriod(displayLink); @@ -612,31 +612,19 @@ - (void) updateUIInfo }); } -- (void)viewDidMoveToWindow -{ - [self updateUIInfo]; -} - - (void) switchSurface:(pixman_image_t *)image { COCOA_DEBUG("QemuCocoaView: switchSurface\n"); int w = pixman_image_get_width(image); int h = pixman_image_get_height(image); - /* cdx == 0 means this is our very first surface, in which case we need - * to recalculate the content dimensions even if it happens to be the size - * of the initial empty window. - */ - bool isResize = (w != screen.width || h != screen.height || cdx == 0.0); - int oldh = screen.height; - if (isResize) { + if (w != screen.width || h != screen.height) { // Resize before we trigger the redraw, or we'll redraw at the wrong size COCOA_DEBUG("switchSurface: new size %d x %d\n", w, h); screen.width = w; screen.height = h; - [self setContentDimensions]; - [self setFrame:NSMakeRect(cx, cy, cw, ch)]; + [self resizeWindow]; } // update screenBuffer @@ -645,51 +633,6 @@ - (void) switchSurface:(pixman_image_t *)image } pixman_image = image; - - // update windows - if (isFullscreen) { - [[fullScreenWindow contentView] setFrame:[[NSScreen mainScreen] frame]]; - [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:NO animate:NO]; - } else { - if (qemu_name) - [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]]; - [normalWindow setFrame:NSMakeRect([normalWindow frame].origin.x, [normalWindow frame].origin.y - h + oldh, w, h + [normalWindow frame].size.height - oldh) display:YES animate:NO]; - } - - if (isResize) { - [normalWindow center]; - } -} - -- (void) toggleFullScreen:(id)sender -{ - COCOA_DEBUG("QemuCocoaView: toggleFullScreen\n"); - - if (isFullscreen) { // switch from fullscreen to desktop - isFullscreen = FALSE; - [self ungrabMouse]; - [self setContentDimensions]; - [fullScreenWindow close]; - [normalWindow setContentView: self]; - [normalWindow makeKeyAndOrderFront: self]; - [NSMenu setMenuBarVisible:YES]; - } else { // switch from desktop to fullscreen - isFullscreen = TRUE; - [normalWindow orderOut: nil]; /* Hide the window */ - [self grabMouse]; - [self setContentDimensions]; - [NSMenu setMenuBarVisible:NO]; - fullScreenWindow = [[NSWindow alloc] initWithContentRect:[[NSScreen mainScreen] frame] - styleMask:NSWindowStyleMaskBorderless - backing:NSBackingStoreBuffered - defer:NO]; - [fullScreenWindow setAcceptsMouseMovedEvents: YES]; - [fullScreenWindow setHasShadow:NO]; - [fullScreenWindow setBackgroundColor: [NSColor blackColor]]; - [self setFrame:NSMakeRect(cx, cy, cw, ch)]; - [[fullScreenWindow contentView] addSubview: self]; - [fullScreenWindow makeKeyAndOrderFront:self]; - } } - (void) setFullGrab:(id)sender @@ -803,7 +746,6 @@ - (bool) handleEventLocked:(NSEvent *)event COCOA_DEBUG("QemuCocoaView: handleEvent\n"); int buttons = 0; int keycode = 0; - NSPoint p = [self screenLocationOfEvent:event]; NSUInteger modifiers = [event modifierFlags]; /* @@ -999,48 +941,6 @@ - (bool) handleEventLocked:(NSEvent *)event qkbd_state_key_event(kbd, keycode, false); } return true; - case NSEventTypeMouseMoved: - if (isAbsoluteEnabled) { - // Cursor re-entered into a window might generate events bound to screen coordinates - // and `nil` window property, and in full screen mode, current window might not be - // key window, where event location alone should suffice. - if (![self screenContainsPoint:p] || !([[self window] isKeyWindow] || isFullscreen)) { - if (isMouseGrabbed) { - [self ungrabMouse]; - } - } else { - if (!isMouseGrabbed) { - [self grabMouse]; - } - } - } - return [self handleMouseEvent:event]; - case NSEventTypeLeftMouseDown: - return [self handleMouseEvent:event button:MOUSE_EVENT_LBUTTON down:true]; - case NSEventTypeRightMouseDown: - return [self handleMouseEvent:event button:MOUSE_EVENT_RBUTTON down:true]; - case NSEventTypeLeftMouseDragged: - return [self handleMouseEvent:event button:MOUSE_EVENT_LBUTTON down:true]; - case NSEventTypeRightMouseDragged: - return [self handleMouseEvent:event button:MOUSE_EVENT_RBUTTON down:true]; - case NSEventTypeOtherMouseDragged: - return [self handleMouseEvent:event button:MOUSE_EVENT_MBUTTON down:true]; - case NSEventTypeLeftMouseUp: - if (!isMouseGrabbed && [self screenContainsPoint:p]) { - /* - * In fullscreen mode, the window of cocoaView may not be the - * key window, therefore the position relative to the virtual - * screen alone will be sufficient. - */ - if(isFullscreen || [[self window] isKeyWindow]) { - [self grabMouse]; - } - } - return [self handleMouseEvent:event button:MOUSE_EVENT_LBUTTON down:false]; - case NSEventTypeRightMouseUp: - return [self handleMouseEvent:event button:MOUSE_EVENT_RBUTTON down:false]; - case NSEventTypeOtherMouseUp: - return [self handleMouseEvent:event button:MOUSE_EVENT_MBUTTON down:false]; case NSEventTypeScrollWheel: /* * Send wheel events to the guest regardless of window focus. @@ -1077,53 +977,117 @@ - (bool) handleEventLocked:(NSEvent *)event } } -- (bool) handleMouseEvent:(NSEvent *)event +- (void) handleMouseEvent:(NSEvent *)event { if (!isMouseGrabbed) { - return false; + return; } - if (isAbsoluteEnabled) { - NSPoint p = [self screenLocationOfEvent:event]; - /* Note that the origin for Cocoa mouse coords is bottom left, not top left. - * The check on screenContainsPoint is to avoid sending out of range values for - * clicks in the titlebar. - */ - if ([self screenContainsPoint:p]) { - qemu_input_queue_abs(dcl.con, INPUT_AXIS_X, p.x, 0, screen.width); - qemu_input_queue_abs(dcl.con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height); + with_bql(^{ + if (isAbsoluteEnabled) { + CGFloat d = (CGFloat)screen.height / [self frame].size.height; + NSPoint p = [event locationInWindow]; + /* Note that the origin for Cocoa mouse coords is bottom left, not top left. */ + qemu_input_queue_abs(dcl.con, INPUT_AXIS_X, p.x * d, 0, screen.width); + qemu_input_queue_abs(dcl.con, INPUT_AXIS_Y, screen.height - p.y * d, 0, screen.height); + } else { + qemu_input_queue_rel(dcl.con, INPUT_AXIS_X, [event deltaX]); + qemu_input_queue_rel(dcl.con, INPUT_AXIS_Y, [event deltaY]); } - } else { - qemu_input_queue_rel(dcl.con, INPUT_AXIS_X, (int)[event deltaX]); - qemu_input_queue_rel(dcl.con, INPUT_AXIS_Y, (int)[event deltaY]); + + qemu_input_event_sync(); + }); +} + +- (void) handleMouseEvent:(NSEvent *)event button:(InputButton)button down:(bool)down +{ + if (!isMouseGrabbed) { + return; } - qemu_input_event_sync(); + with_bql(^{ + qemu_input_queue_btn(dcl.con, button, down); + }); - return true; + [self handleMouseEvent:event]; } -- (bool) handleMouseEvent:(NSEvent *)event button:(InputButton)button down:(bool)down +- (void) mouseExited:(NSEvent *)event { - if (!isMouseGrabbed && ![[self window] isKeyWindow]) { - return false; + if (isAbsoluteEnabled && isMouseGrabbed) { + [self ungrabMouse]; } +} - qemu_input_queue_btn(dcl.con, button, down); +- (void) mouseEntered:(NSEvent *)event +{ + if (isAbsoluteEnabled && !isMouseGrabbed) { + [self grabMouse]; + } +} + +- (void) mouseMoved:(NSEvent *)event +{ + [self handleMouseEvent:event]; +} + +- (void) mouseDown:(NSEvent *)event +{ + [self handleMouseEvent:event button:INPUT_BUTTON_LEFT down:true]; +} + +- (void) rightMouseDown:(NSEvent *)event +{ + [self handleMouseEvent:event button:INPUT_BUTTON_RIGHT down:true]; +} + +- (void) otherMouseDown:(NSEvent *)event +{ + [self handleMouseEvent:event button:INPUT_BUTTON_MIDDLE down:true]; +} + +- (void) mouseDragged:(NSEvent *)event +{ + [self handleMouseEvent:event]; +} + +- (void) rightMouseDragged:(NSEvent *)event +{ + [self handleMouseEvent:event]; +} + +- (void) otherMouseDragged:(NSEvent *)event +{ + [self handleMouseEvent:event]; +} + +- (void) mouseUp:(NSEvent *)event +{ + if (!isMouseGrabbed) { + [self grabMouse]; + } + + [self handleMouseEvent:event button:INPUT_BUTTON_LEFT down:false]; +} + +- (void) rightMouseUp:(NSEvent *)event +{ + [self handleMouseEvent:event button:INPUT_BUTTON_RIGHT down:false]; +} - return [self handleMouseEvent:event]; +- (void) otherMouseUp:(NSEvent *)event +{ + [self handleMouseEvent:event button:INPUT_BUTTON_MIDDLE down:false]; } - (void) grabMouse { COCOA_DEBUG("QemuCocoaView: grabMouse\n"); - if (!isFullscreen) { - if (qemu_name) - [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press " UC_CTRL_KEY " " UC_ALT_KEY " G to release Mouse)", qemu_name]]; - else - [normalWindow setTitle:@"QEMU - (Press " UC_CTRL_KEY " " UC_ALT_KEY " G to release Mouse)"]; - } + if (qemu_name) + [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s - (Press " UC_CTRL_KEY " " UC_ALT_KEY " G to release Mouse)", qemu_name]]; + else + [normalWindow setTitle:@"QEMU - (Press " UC_CTRL_KEY " " UC_ALT_KEY " G to release Mouse)"]; [self hideCursor]; CGAssociateMouseAndMouseCursorPosition(isAbsoluteEnabled); isMouseGrabbed = TRUE; // while isMouseGrabbed = TRUE, QemuCocoaApp sends all events to [cocoaView handleEvent:] @@ -1133,15 +1097,14 @@ - (void) ungrabMouse { COCOA_DEBUG("QemuCocoaView: ungrabMouse\n"); - if (!isFullscreen) { - if (qemu_name) - [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]]; - else - [normalWindow setTitle:@"QEMU"]; - } + if (qemu_name) + [normalWindow setTitle:[NSString stringWithFormat:@"QEMU %s", qemu_name]]; + else + [normalWindow setTitle:@"QEMU"]; [self unhideCursor]; CGAssociateMouseAndMouseCursorPosition(TRUE); isMouseGrabbed = FALSE; + [self raiseAllButtons]; } - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled { @@ -1152,8 +1115,6 @@ - (void) setAbsoluteEnabled:(BOOL)tIsAbsoluteEnabled { } - (BOOL) isMouseGrabbed {return isMouseGrabbed;} - (BOOL) isAbsoluteEnabled {return isAbsoluteEnabled;} -- (float) cdx {return cdx;} -- (float) cdy {return cdy;} - (QEMUScreen) gscreen {return screen;} /* @@ -1167,6 +1128,15 @@ - (void) raiseAllKeys qkbd_state_lift_all_keys(kbd); }); } + +- (void) raiseAllButtons +{ + with_bql(^{ + qemu_input_queue_btn(dcl.con, INPUT_BUTTON_LEFT, false); + qemu_input_queue_btn(dcl.con, INPUT_BUTTON_RIGHT, false); + qemu_input_queue_btn(dcl.con, INPUT_BUTTON_MIDDLE, false); + }); +} @end @@ -1181,7 +1151,6 @@ @interface QemuCocoaAppController : NSObject { } - (void)doToggleFullScreen:(id)sender; -- (void)toggleFullScreen:(id)sender; - (void)showQEMUDoc:(id)sender; - (void)zoomToFit:(id) sender; - (void)displayConsole:(id)sender; @@ -1223,7 +1192,8 @@ - (id) init exit(1); } [normalWindow setAcceptsMouseMovedEvents:YES]; - [normalWindow setTitle:@"QEMU"]; + [normalWindow setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary]; + [normalWindow setTitle:qemu_name ? [NSString stringWithFormat:@"QEMU %s", qemu_name] : @"QEMU"]; [normalWindow setContentView:cocoaView]; [normalWindow makeKeyAndOrderFront:self]; [normalWindow center]; @@ -1293,10 +1263,21 @@ - (void)windowDidChangeScreen:(NSNotification *)notification [cocoaView updateUIInfo]; } +- (void)windowDidEnterFullScreen:(NSNotification *)notification +{ + [cocoaView grabMouse]; +} + +- (void)windowDidExitFullScreen:(NSNotification *)notification +{ + [cocoaView resizeWindow]; + [cocoaView ungrabMouse]; +} + - (void)windowDidResize:(NSNotification *)notification { [cocoaView updateBounds]; - [cocoaView updateUIInfo]; + [cocoaView frameUpdated]; } /* Called when the user clicks on a window's close button */ @@ -1312,6 +1293,23 @@ - (BOOL)windowShouldClose:(id)sender return NO; } +- (NSSize) window:(NSWindow *)window willUseFullScreenContentSize:(NSSize)proposedSize +{ + if (stretch_video) { + return [cocoaView fixZoomedFullScreenSize:proposedSize]; + } + + return NSMakeSize([cocoaView gscreen].width, [cocoaView gscreen].height); +} + +- (NSApplicationPresentationOptions) window:(NSWindow *)window + willUseFullScreenPresentationOptions:(NSApplicationPresentationOptions)proposedOptions; + +{ + return (proposedOptions & ~(NSApplicationPresentationAutoHideDock | NSApplicationPresentationAutoHideMenuBar)) | + NSApplicationPresentationHideDock | NSApplicationPresentationHideMenuBar; +} + /* * Called when QEMU goes into the background. Note that * [-NSWindowDelegate windowDidResignKey:] is used here instead of @@ -1331,14 +1329,7 @@ - (void) windowDidResignKey: (NSNotification *)aNotification */ - (void) doToggleFullScreen:(id)sender { - [self toggleFullScreen:(id)sender]; -} - -- (void)toggleFullScreen:(id)sender -{ - COCOA_DEBUG("QemuCocoaAppController: toggleFullScreen\n"); - - [cocoaView toggleFullScreen:sender]; + [normalWindow toggleFullScreen:sender]; } - (void) setFullGrab:(id)sender @@ -1389,6 +1380,7 @@ - (void)zoomToFit:(id) sender if (stretch_video == true) { [sender setState: NSControlStateValueOn]; } else { + [cocoaView resizeWindow]; [sender setState: NSControlStateValueOff]; } } @@ -2021,8 +2013,7 @@ static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts) /* if fullscreen mode is to be used */ if (opts->has_full_screen && opts->full_screen) { - [NSApp activateIgnoringOtherApps: YES]; - [controller toggleFullScreen: nil]; + [normalWindow toggleFullScreen: nil]; } if (opts->u.cocoa.has_full_grab && opts->u.cocoa.full_grab) { [controller setFullGrab: nil];