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-rw-r--r--ui/cocoa.m122
1 files changed, 111 insertions, 11 deletions
diff --git a/ui/cocoa.m b/ui/cocoa.m
index c88149852b..cb6e7c41dc 100644
--- a/ui/cocoa.m
+++ b/ui/cocoa.m
@@ -95,6 +95,8 @@ static DisplayChangeListener dcl = {
 };
 static int last_buttons;
 static int cursor_hide = 1;
+static int left_command_key_enabled = 1;
+static bool swap_opt_cmd;
 
 static int gArgc;
 static char **gArgv;
@@ -308,11 +310,13 @@ static void handleAnyDeviceErrors(Error * err)
     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;
 - (bool) handleEventLocked:(NSEvent *)event;
@@ -335,6 +339,19 @@ static void handleAnyDeviceErrors(Error * err)
 
 QemuCocoaView *cocoaView;
 
+static CGEventRef handleTapEvent(CGEventTapProxy proxy, CGEventType type, CGEventRef cgEvent, void *userInfo)
+{
+    QemuCocoaView *cocoaView = userInfo;
+    NSEvent *event = [NSEvent eventWithCGEvent:cgEvent];
+    if ([cocoaView isMouseGrabbed] && [cocoaView handleEvent:event]) {
+        COCOA_DEBUG("Global events tap: qemu handled the event, capturing!\n");
+        return NULL;
+    }
+    COCOA_DEBUG("Global events tap: qemu did not handle the event, letting it through...\n");
+
+    return cgEvent;
+}
+
 @implementation QemuCocoaView
 - (id)initWithFrame:(NSRect)frameRect
 {
@@ -360,6 +377,11 @@ QemuCocoaView *cocoaView;
     }
 
     qkbd_state_free(kbd);
+
+    if (eventsTap) {
+        CFRelease(eventsTap);
+    }
+
     [super dealloc];
 }
 
@@ -654,6 +676,36 @@ QemuCocoaView *cocoaView;
     }
 }
 
+- (void) setFullGrab:(id)sender
+{
+    COCOA_DEBUG("QemuCocoaView: setFullGrab\n");
+
+    CGEventMask mask = CGEventMaskBit(kCGEventKeyDown) | CGEventMaskBit(kCGEventKeyUp) | CGEventMaskBit(kCGEventFlagsChanged);
+    eventsTap = CGEventTapCreate(kCGHIDEventTap, kCGHeadInsertEventTap, kCGEventTapOptionDefault,
+                                 mask, handleTapEvent, self);
+    if (!eventsTap) {
+        warn_report("Could not create event tap, system key combos will not be captured.\n");
+        return;
+    } else {
+        COCOA_DEBUG("Global events tap created! Will capture system key combos.\n");
+    }
+
+    CFRunLoopRef runLoop = CFRunLoopGetCurrent();
+    if (!runLoop) {
+        warn_report("Could not obtain current CF RunLoop, system key combos will not be captured.\n");
+        return;
+    }
+
+    CFRunLoopSourceRef tapEventsSrc = CFMachPortCreateRunLoopSource(kCFAllocatorDefault, eventsTap, 0);
+    if (!tapEventsSrc ) {
+        warn_report("Could not obtain current CF RunLoop, system key combos will not be captured.\n");
+        return;
+    }
+
+    CFRunLoopAddSource(runLoop, tapEventsSrc, kCFRunLoopDefaultMode);
+    CFRelease(tapEventsSrc);
+}
+
 - (void) toggleKey: (int)keycode {
     qkbd_state_key_event(kbd, keycode, !qkbd_state_key_get(kbd, keycode));
 }
@@ -671,7 +723,7 @@ QemuCocoaView *cocoaView;
 
     /* translates Macintosh keycodes to QEMU's keysym */
 
-    int without_control_translation[] = {
+    static const int without_control_translation[] = {
         [0 ... 0xff] = 0,   // invalid key
 
         [kVK_UpArrow]       = QEMU_KEY_UP,
@@ -686,7 +738,7 @@ QemuCocoaView *cocoaView;
         [kVK_Delete]        = QEMU_KEY_BACKSPACE,
     };
 
-    int with_control_translation[] = {
+    static const int with_control_translation[] = {
         [0 ... 0xff] = 0,   // invalid key
 
         [kVK_UpArrow]       = QEMU_KEY_CTRL_UP,
@@ -803,12 +855,22 @@ QemuCocoaView *cocoaView;
         qkbd_state_key_event(kbd, Q_KEY_CODE_CTRL_R, false);
     }
     if (!(modifiers & NSEventModifierFlagOption)) {
-        qkbd_state_key_event(kbd, Q_KEY_CODE_ALT, false);
-        qkbd_state_key_event(kbd, Q_KEY_CODE_ALT_R, false);
+        if (swap_opt_cmd) {
+            qkbd_state_key_event(kbd, Q_KEY_CODE_META_L, false);
+            qkbd_state_key_event(kbd, Q_KEY_CODE_META_R, false);
+        } else {
+            qkbd_state_key_event(kbd, Q_KEY_CODE_ALT, false);
+            qkbd_state_key_event(kbd, Q_KEY_CODE_ALT_R, false);
+        }
     }
     if (!(modifiers & NSEventModifierFlagCommand)) {
-        qkbd_state_key_event(kbd, Q_KEY_CODE_META_L, false);
-        qkbd_state_key_event(kbd, Q_KEY_CODE_META_R, false);
+        if (swap_opt_cmd) {
+            qkbd_state_key_event(kbd, Q_KEY_CODE_ALT, false);
+            qkbd_state_key_event(kbd, Q_KEY_CODE_ALT_R, false);
+        } else {
+            qkbd_state_key_event(kbd, Q_KEY_CODE_META_L, false);
+            qkbd_state_key_event(kbd, Q_KEY_CODE_META_R, false);
+        }
     }
 
     switch ([event type]) {
@@ -840,13 +902,21 @@ QemuCocoaView *cocoaView;
 
                 case kVK_Option:
                     if (!!(modifiers & NSEventModifierFlagOption)) {
-                        [self toggleKey:Q_KEY_CODE_ALT];
+                        if (swap_opt_cmd) {
+                            [self toggleKey:Q_KEY_CODE_META_L];
+                        } else {
+                            [self toggleKey:Q_KEY_CODE_ALT];
+                        }
                     }
                     break;
 
                 case kVK_RightOption:
                     if (!!(modifiers & NSEventModifierFlagOption)) {
-                        [self toggleKey:Q_KEY_CODE_ALT_R];
+                        if (swap_opt_cmd) {
+                            [self toggleKey:Q_KEY_CODE_META_R];
+                        } else {
+                            [self toggleKey:Q_KEY_CODE_ALT_R];
+                        }
                     }
                     break;
 
@@ -854,14 +924,22 @@ QemuCocoaView *cocoaView;
                 case kVK_Command:
                     if (isMouseGrabbed &&
                         !!(modifiers & NSEventModifierFlagCommand)) {
-                        [self toggleKey:Q_KEY_CODE_META_L];
+                        if (swap_opt_cmd) {
+                            [self toggleKey:Q_KEY_CODE_ALT];
+                        } else {
+                            [self toggleKey:Q_KEY_CODE_META_L];
+                        }
                     }
                     break;
 
                 case kVK_RightCommand:
                     if (isMouseGrabbed &&
                         !!(modifiers & NSEventModifierFlagCommand)) {
-                        [self toggleKey:Q_KEY_CODE_META_R];
+                        if (swap_opt_cmd) {
+                            [self toggleKey:Q_KEY_CODE_ALT_R];
+                        } else {
+                            [self toggleKey:Q_KEY_CODE_META_R];
+                        }
                     }
                     break;
             }
@@ -1259,6 +1337,7 @@ QemuCocoaView *cocoaView;
 - (void) applicationWillResignActive: (NSNotification *)aNotification
 {
     COCOA_DEBUG("QemuCocoaAppController: applicationWillResignActive\n");
+    [cocoaView ungrabMouse];
     [cocoaView raiseAllKeys];
 }
 
@@ -1278,6 +1357,13 @@ QemuCocoaView *cocoaView;
     [cocoaView toggleFullScreen:sender];
 }
 
+- (void) setFullGrab:(id)sender
+{
+    COCOA_DEBUG("QemuCocoaAppController: setFullGrab\n");
+
+    [cocoaView setFullGrab:sender];
+}
+
 /* Tries to find then open the specified filename */
 - (void) openDocumentation: (NSString *) filename
 {
@@ -1991,16 +2077,30 @@ static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
     qemu_sem_wait(&app_started_sem);
     COCOA_DEBUG("cocoa_display_init: app start completed\n");
 
+    QemuCocoaAppController *controller = (QemuCocoaAppController *)[[NSApplication sharedApplication] delegate];
     /* if fullscreen mode is to be used */
     if (opts->has_full_screen && opts->full_screen) {
         dispatch_async(dispatch_get_main_queue(), ^{
             [NSApp activateIgnoringOtherApps: YES];
-            [(QemuCocoaAppController *)[[NSApplication sharedApplication] delegate] toggleFullScreen: nil];
+            [controller toggleFullScreen: nil];
+        });
+    }
+    if (opts->u.cocoa.has_full_grab && opts->u.cocoa.full_grab) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [controller setFullGrab: nil];
         });
     }
+
     if (opts->has_show_cursor && opts->show_cursor) {
         cursor_hide = 0;
     }
+    if (opts->u.cocoa.has_swap_opt_cmd) {
+        swap_opt_cmd = opts->u.cocoa.swap_opt_cmd;
+    }
+
+    if (opts->u.cocoa.has_left_command_key && !opts->u.cocoa.left_command_key) {
+        left_command_key_enabled = 0;
+    }
 
     // register vga output callbacks
     register_displaychangelistener(&dcl);