/* gdkevents-quartz.c * * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * Copyright (C) 1998-2002 Tor Lillqvist * Copyright (C) 2005-2006 Imendio AB * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include "gdkscreen.h" #include "gdkkeysyms.h" #include "gdkprivate-quartz.h" static GPollFD event_poll_fd; static NSEvent *current_event; /* This is the window the mouse is currently over */ static GdkWindow *current_mouse_window; /* This is the window corresponding to the key window */ static GdkWindow *current_keyboard_window; /* This is the pointer grab window */ GdkWindow *_gdk_quartz_pointer_grab_window; static gboolean pointer_grab_owner_events; static GdkEventMask pointer_grab_event_mask; static gboolean pointer_grab_implicit; /* This is the keyboard grab window */ GdkWindow *_gdk_quartz_keyboard_grab_window; static gboolean keyboard_grab_owner_events; static void append_event (GdkEvent *event); static gboolean gdk_event_prepare (GSource *source, gint *timeout) { NSEvent *event; gboolean retval; GDK_QUARTZ_ALLOC_POOL; *timeout = -1; event = [NSApp nextEventMatchingMask: NSAnyEventMask untilDate: [NSDate distantPast] inMode: NSDefaultRunLoopMode dequeue: NO]; retval = (_gdk_event_queue_find_first (_gdk_display) != NULL || event != NULL); GDK_QUARTZ_RELEASE_POOL; return retval; } static gboolean gdk_event_check (GSource *source) { if (_gdk_event_queue_find_first (_gdk_display) != NULL || current_event) return TRUE; /* FIXME: We should maybe try to fetch an event again here */ return FALSE; } static gboolean gdk_event_dispatch (GSource *source, GSourceFunc callback, gpointer user_data) { GdkEvent *event; GDK_QUARTZ_ALLOC_POOL; _gdk_events_queue (_gdk_display); event = _gdk_event_unqueue (_gdk_display); if (event) { if (_gdk_event_func) (*_gdk_event_func) (event, _gdk_event_data); gdk_event_free (event); } GDK_QUARTZ_RELEASE_POOL; return TRUE; } static GSourceFuncs event_funcs = { gdk_event_prepare, gdk_event_check, gdk_event_dispatch, NULL }; static GPollFunc old_poll_func; static pthread_t select_thread = 0; static int wakeup_pipe[2]; static pthread_mutex_t pollfd_mutex = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t ready_cond = PTHREAD_COND_INITIALIZER; static GPollFD *pollfds; static GPollFD *pipe_pollfd; static guint n_pollfds; static CFRunLoopSourceRef select_main_thread_source; static CFRunLoopRef main_thread_run_loop; static void * select_thread_func (void *arg) { int n_active_fds; while (1) { pthread_mutex_lock (&pollfd_mutex); pthread_cond_wait (&ready_cond, &pollfd_mutex); n_active_fds = old_poll_func (pollfds, n_pollfds, -1); if (pipe_pollfd->revents) { char c; int n; n = read (pipe_pollfd->fd, &c, 1); g_assert (n == 1); g_assert (c == 'A'); n_active_fds --; } pthread_mutex_unlock (&pollfd_mutex); if (n_active_fds) { /* We have active fds, signal the main thread */ CFRunLoopSourceSignal (select_main_thread_source); if (CFRunLoopIsWaiting (main_thread_run_loop)) CFRunLoopWakeUp (main_thread_run_loop); } } } static void got_fd_activity (void *info) { NSEvent *event; /* Post a message so we'll break out of the message loop */ event = [NSEvent otherEventWithType: NSApplicationDefined location: NSZeroPoint modifierFlags: 0 timestamp: 0 windowNumber: 0 context: nil subtype: 0 data1: 0 data2: 0]; [NSApp postEvent:event atStart:YES]; } static gint poll_func (GPollFD *ufds, guint nfds, gint timeout_) { NSEvent *event; NSDate *limit_date; int n_active = 0; int i; GDK_QUARTZ_ALLOC_POOL; if (nfds > 1) { if (!select_thread) { /* Create source used for signalling the main thread */ main_thread_run_loop = CFRunLoopGetCurrent (); CFRunLoopSourceContext source_context = {0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, got_fd_activity }; select_main_thread_source = CFRunLoopSourceCreate (NULL, 0, &source_context); CFRunLoopAddSource (main_thread_run_loop, select_main_thread_source, kCFRunLoopDefaultMode); pipe (wakeup_pipe); pthread_create (&select_thread, NULL, select_thread_func, NULL); } pthread_mutex_lock (&pollfd_mutex); n_pollfds = nfds; g_free (pollfds); pollfds = g_memdup (ufds, sizeof (GPollFD) * nfds); /* We cheat and use the fake fd for our pipe */ for (i = 0; i < nfds; i++) { if (pollfds[i].fd == -1) { pipe_pollfd = &pollfds[i]; pollfds[i].fd = wakeup_pipe[0]; pollfds[i].events = G_IO_IN; } } pthread_mutex_unlock (&pollfd_mutex); /* Start our thread */ pthread_cond_signal (&ready_cond); } if (timeout_ == -1) limit_date = [NSDate distantFuture]; else if (timeout_ == 0) limit_date = [NSDate distantPast]; else limit_date = [NSDate dateWithTimeIntervalSinceNow:timeout_/1000.0]; event = [NSApp nextEventMatchingMask: NSAnyEventMask untilDate: limit_date inMode: NSDefaultRunLoopMode dequeue: YES]; if (event) { if ([event type] == NSApplicationDefined) { pthread_mutex_lock (&pollfd_mutex); for (i = 0; i < n_pollfds; i++) { if (ufds[i].fd == -1) continue; g_assert (ufds[i].fd == pollfds[i].fd); g_assert (ufds[i].events == pollfds[i].events); if (pollfds[i].revents) { ufds[i].revents = pollfds[i].revents; n_active ++; } } pthread_mutex_unlock (&pollfd_mutex); event = [NSApp nextEventMatchingMask: NSAnyEventMask untilDate: [NSDate distantPast] inMode: NSDefaultRunLoopMode dequeue: YES]; } } /* There were no active fds, break out of the other thread's poll() */ if (n_active == 0 && wakeup_pipe[1]) { char c = 'A'; write (wakeup_pipe[1], &c, 1); } if (event) { ufds[0].revents = G_IO_IN; /* FIXME: We can't assert here, but we might need to have a * queue for events instead. */ /*g_assert (current_event == NULL);*/ current_event = [event retain]; n_active ++; } GDK_QUARTZ_RELEASE_POOL; return n_active; } void _gdk_events_init (void) { GSource *source; event_poll_fd.events = G_IO_IN; event_poll_fd.fd = -1; source = g_source_new (&event_funcs, sizeof (GSource)); g_source_add_poll (source, &event_poll_fd); g_source_set_priority (source, GDK_PRIORITY_EVENTS); g_source_set_can_recurse (source, TRUE); g_source_attach (source, NULL); old_poll_func = g_main_context_get_poll_func (NULL); g_main_context_set_poll_func (NULL, poll_func); current_mouse_window = g_object_ref (_gdk_root); current_keyboard_window = g_object_ref (_gdk_root); } gboolean gdk_events_pending (void) { return (_gdk_event_queue_find_first (_gdk_display) || (current_event != NULL)); } GdkEvent* gdk_event_get_graphics_expose (GdkWindow *window) { /* FIXME: Implement */ return NULL; } static void generate_grab_broken_event (GdkWindow *window, gboolean keyboard, gboolean implicit, GdkWindow *grab_window) { if (!GDK_WINDOW_DESTROYED (window)) { GdkEvent *event = gdk_event_new (GDK_GRAB_BROKEN); event->grab_broken.window = window; event->grab_broken.send_event = 0; event->grab_broken.keyboard = keyboard; event->grab_broken.implicit = implicit; event->grab_broken.grab_window = grab_window; append_event (event); } } GdkGrabStatus gdk_keyboard_grab (GdkWindow *window, gint owner_events, guint32 time) { g_return_val_if_fail (window != NULL, 0); g_return_val_if_fail (GDK_IS_WINDOW (window), 0); if (_gdk_quartz_keyboard_grab_window) { if (_gdk_quartz_keyboard_grab_window != window) generate_grab_broken_event (_gdk_quartz_keyboard_grab_window, TRUE, FALSE, window); g_object_unref (_gdk_quartz_keyboard_grab_window); } _gdk_quartz_keyboard_grab_window = g_object_ref (window); keyboard_grab_owner_events = owner_events; return GDK_GRAB_SUCCESS; } void gdk_display_keyboard_ungrab (GdkDisplay *display, guint32 time) { if (_gdk_quartz_keyboard_grab_window) g_object_unref (_gdk_quartz_keyboard_grab_window); _gdk_quartz_keyboard_grab_window = NULL; } gboolean gdk_keyboard_grab_info_libgtk_only (GdkDisplay *display, GdkWindow **grab_window, gboolean *owner_events) { if (_gdk_quartz_keyboard_grab_window) { if (grab_window) *grab_window = _gdk_quartz_keyboard_grab_window; if (owner_events) *owner_events = keyboard_grab_owner_events; return TRUE; } return FALSE; } static void pointer_ungrab_internal (gboolean only_if_implicit) { if (!_gdk_quartz_pointer_grab_window) return; if (only_if_implicit && !pointer_grab_implicit) return; g_object_unref (_gdk_quartz_pointer_grab_window); _gdk_quartz_pointer_grab_window = NULL; /* FIXME: Send crossing events */ } gboolean gdk_display_pointer_is_grabbed (GdkDisplay *display) { return _gdk_quartz_pointer_grab_window != NULL; } gboolean gdk_pointer_grab_info_libgtk_only (GdkDisplay *display, GdkWindow **grab_window, gboolean *owner_events) { if (!_gdk_quartz_pointer_grab_window) return FALSE; if (grab_window) *grab_window = _gdk_quartz_pointer_grab_window; if (owner_events) *owner_events = pointer_grab_owner_events; return FALSE; } void gdk_display_pointer_ungrab (GdkDisplay *display, guint32 time) { pointer_ungrab_internal (FALSE); } static GdkGrabStatus pointer_grab_internal (GdkWindow *window, gboolean owner_events, GdkEventMask event_mask, GdkWindow *confine_to, GdkCursor *cursor, gboolean implicit) { /* FIXME: Send crossing events */ _gdk_quartz_pointer_grab_window = g_object_ref (window); pointer_grab_owner_events = owner_events; pointer_grab_event_mask = event_mask; pointer_grab_implicit = implicit; return GDK_GRAB_SUCCESS; } GdkGrabStatus gdk_pointer_grab (GdkWindow *window, gboolean owner_events, GdkEventMask event_mask, GdkWindow *confine_to, GdkCursor *cursor, guint32 time) { g_return_val_if_fail (GDK_IS_WINDOW (window), 0); g_return_val_if_fail (confine_to == NULL || GDK_IS_WINDOW (confine_to), 0); if (_gdk_quartz_pointer_grab_window) { if (_gdk_quartz_pointer_grab_window == window && !pointer_grab_implicit) return GDK_GRAB_ALREADY_GRABBED; else { if (_gdk_quartz_pointer_grab_window != window) generate_grab_broken_event (_gdk_quartz_pointer_grab_window, FALSE, pointer_grab_implicit, window); pointer_ungrab_internal (TRUE); } } return pointer_grab_internal (window, owner_events, event_mask, confine_to, cursor, FALSE); } static void fixup_event (GdkEvent *event) { if (event->any.window) g_object_ref (event->any.window); if (((event->any.type == GDK_ENTER_NOTIFY) || (event->any.type == GDK_LEAVE_NOTIFY)) && (event->crossing.subwindow != NULL)) g_object_ref (event->crossing.subwindow); event->any.send_event = FALSE; } static void append_event (GdkEvent *event) { fixup_event (event); _gdk_event_queue_append (_gdk_display, event); } static GdkFilterReturn apply_filters (GdkWindow *window, NSEvent *nsevent, GList *filters) { GdkFilterReturn result = GDK_FILTER_CONTINUE; GdkEvent *event; GList *node; GList *tmp_list; event = gdk_event_new (GDK_NOTHING); if (window != NULL) event->any.window = g_object_ref (window); ((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING; /* I think GdkFilterFunc semantics require the passed-in event * to already be in the queue. The filter func can generate * more events and append them after it if it likes. */ node = _gdk_event_queue_append (_gdk_display, event); tmp_list = filters; while (tmp_list) { GdkEventFilter *filter = (GdkEventFilter *) tmp_list->data; tmp_list = tmp_list->next; result = filter->function (nsevent, event, filter->data); if (result != GDK_FILTER_CONTINUE) break; } if (result == GDK_FILTER_CONTINUE || result == GDK_FILTER_REMOVE) { _gdk_event_queue_remove_link (_gdk_display, node); g_list_free_1 (node); gdk_event_free (event); } else /* GDK_FILTER_TRANSLATE */ { ((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING; fixup_event (event); } return result; } /* This function checks if the passed in window is interested in the * event mask. If so, it's returned. If not, the event can be propagated * to its parent. */ static GdkWindow * find_window_interested_in_event_mask (GdkWindow *window, GdkEventMask event_mask, gboolean propagate) { while (window) { GdkWindowObject *private = GDK_WINDOW_OBJECT (window); if (private->event_mask & event_mask) return window; if (!propagate) return NULL; else window = GDK_WINDOW (private->parent); } return NULL; } static guint32 get_event_time (NSEvent *event) { double time = [event timestamp]; return time * 1000.0; } static int convert_mouse_button_number (int button) { switch (button) { case 0: return 1; case 1: return 3; case 2: return 2; default: return button + 1; } } /* Return an event mask from an NSEvent */ static GdkEventMask get_event_mask_from_ns_event (NSEvent *nsevent) { switch ([nsevent type]) { case NSLeftMouseDown: case NSRightMouseDown: case NSOtherMouseDown: return GDK_BUTTON_PRESS_MASK; case NSLeftMouseUp: case NSRightMouseUp: case NSOtherMouseUp: return GDK_BUTTON_RELEASE_MASK; case NSMouseMoved: return GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK; case NSScrollWheel: /* Since applications that want button press events can get * scroll events on X11 (since scroll wheel events are really * button press events there), we need to use GDK_BUTTON_PRESS_MASK too. */ return GDK_SCROLL_MASK | GDK_BUTTON_PRESS_MASK; case NSLeftMouseDragged: return (GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_MOTION_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON1_MASK); case NSRightMouseDragged: return (GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_MOTION_MASK | GDK_BUTTON3_MOTION_MASK | GDK_BUTTON3_MASK); case NSOtherMouseDragged: { GdkEventMask mask; mask = (GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_MOTION_MASK); if (convert_mouse_button_number ([nsevent buttonNumber]) == 2) mask |= (GDK_BUTTON2_MOTION_MASK | GDK_BUTTON2_MOTION_MASK | GDK_BUTTON2_MASK); return mask; } case NSKeyDown: case NSKeyUp: case NSFlagsChanged: { switch (_gdk_quartz_key_event_type (nsevent)) { case GDK_KEY_PRESS: return GDK_KEY_PRESS_MASK; case GDK_KEY_RELEASE: return GDK_KEY_RELEASE_MASK; case GDK_NOTHING: return 0; default: g_assert_not_reached (); } } default: g_assert_not_reached (); } return 0; } static GdkEvent * create_focus_event (GdkWindow *window, gboolean in) { GdkEvent *event; event = gdk_event_new (GDK_FOCUS_CHANGE); event->focus_change.window = window; event->focus_change.in = in; return event; } /* Note: Used to both set a new focus window and to unset the old one. */ void _gdk_quartz_update_focus_window (GdkWindow *window, gboolean got_focus) { GdkEvent *event; if (got_focus && window == current_keyboard_window) return; /* FIXME: Don't do this when grabbed? Or make GdkQuartzWindow * disallow it in the first place instead? */ if (!got_focus && window == current_keyboard_window) { event = create_focus_event (current_keyboard_window, FALSE); append_event (event); g_object_unref (current_keyboard_window); current_keyboard_window = NULL; } if (got_focus) { if (current_keyboard_window) { event = create_focus_event (current_keyboard_window, FALSE); append_event (event); g_object_unref (current_keyboard_window); current_keyboard_window = NULL; } event = create_focus_event (window, TRUE); append_event (event); current_keyboard_window = g_object_ref (window); } } static gboolean gdk_window_is_ancestor (GdkWindow *ancestor, GdkWindow *window) { if (ancestor == NULL || window == NULL) return FALSE; return (gdk_window_get_parent (window) == ancestor || gdk_window_is_ancestor (ancestor, gdk_window_get_parent (window))); } static GdkModifierType get_keyboard_modifiers_from_nsevent (NSEvent *nsevent) { GdkModifierType modifiers = 0; int nsflags; nsflags = [nsevent modifierFlags]; if (nsflags & NSAlphaShiftKeyMask) modifiers |= GDK_LOCK_MASK; if (nsflags & NSShiftKeyMask) modifiers |= GDK_SHIFT_MASK; if (nsflags & NSControlKeyMask) modifiers |= GDK_CONTROL_MASK; if (nsflags & NSCommandKeyMask) modifiers |= GDK_MOD1_MASK; /* FIXME: Support GDK_BUTTON_MASK */ return modifiers; } static void convert_window_coordinates_to_root (GdkWindow *window, gdouble x, gdouble y, gdouble *x_root, gdouble *y_root) { gint ox, oy; *x_root = x; *y_root = y; if (gdk_window_get_origin (window, &ox, &oy)) { *x_root += ox; *y_root += oy; } } static GdkEvent * create_crossing_event (GdkWindow *window, NSEvent *nsevent, GdkEventType event_type, GdkCrossingMode mode, GdkNotifyType detail) { GdkEvent *event; NSPoint point; event = gdk_event_new (event_type); event->crossing.window = window; event->crossing.subwindow = NULL; /* FIXME */ event->crossing.time = get_event_time (nsevent); point = [nsevent locationInWindow]; event->crossing.x = point.x; event->crossing.y = point.y; convert_window_coordinates_to_root (window, event->crossing.x, event->crossing.y, &event->crossing.x_root, &event->crossing.y_root); event->crossing.mode = mode; event->crossing.detail = detail; /* FIXME: focus */ /* FIXME: state, (button state too) */ return event; } static void synthesize_enter_event (GdkWindow *window, NSEvent *nsevent, GdkCrossingMode mode, GdkNotifyType detail) { GdkEvent *event; if (_gdk_quartz_pointer_grab_window != NULL && !pointer_grab_owner_events && !(pointer_grab_event_mask & GDK_ENTER_NOTIFY_MASK)) return; if (!(GDK_WINDOW_OBJECT (window)->event_mask & GDK_ENTER_NOTIFY_MASK)) return; event = create_crossing_event (window, nsevent, GDK_ENTER_NOTIFY, mode, detail); append_event (event); } static void synthesize_enter_events (GdkWindow *from, GdkWindow *to, NSEvent *nsevent, GdkCrossingMode mode, GdkNotifyType detail) { GdkWindow *prev = gdk_window_get_parent (to); if (prev != from) synthesize_enter_events (from, prev, nsevent, mode, detail); synthesize_enter_event (to, nsevent, mode, detail); } static void synthesize_leave_event (GdkWindow *window, NSEvent *nsevent, GdkCrossingMode mode, GdkNotifyType detail) { GdkEvent *event; if (_gdk_quartz_pointer_grab_window != NULL && !pointer_grab_owner_events && !(pointer_grab_event_mask & GDK_LEAVE_NOTIFY_MASK)) return; if (!(GDK_WINDOW_OBJECT (window)->event_mask & GDK_LEAVE_NOTIFY_MASK)) return; event = create_crossing_event (window, nsevent, GDK_LEAVE_NOTIFY, mode, detail); append_event (event); } static void synthesize_leave_events (GdkWindow *from, GdkWindow *to, NSEvent *nsevent, GdkCrossingMode mode, GdkNotifyType detail) { GdkWindow *next = gdk_window_get_parent (from); synthesize_leave_event (from, nsevent, mode, detail); if (next != to) synthesize_leave_events (next, to, nsevent, mode, detail); } static void synthesize_crossing_events (GdkWindow *window, GdkCrossingMode mode, NSEvent *nsevent, gint x, gint y) { GdkWindow *intermediate, *tem, *common_ancestor; if (gdk_window_is_ancestor (current_mouse_window, window)) { /* Pointer has moved to an inferior window. */ synthesize_leave_event (current_mouse_window, nsevent, mode, GDK_NOTIFY_INFERIOR); /* If there are intermediate windows, generate ENTER_NOTIFY * events for them */ intermediate = gdk_window_get_parent (window); if (intermediate != current_mouse_window) { synthesize_enter_events (current_mouse_window, intermediate, nsevent, mode, GDK_NOTIFY_VIRTUAL); } synthesize_enter_event (window, nsevent, mode, GDK_NOTIFY_ANCESTOR); } else if (gdk_window_is_ancestor (window, current_mouse_window)) { /* Pointer has moved to an ancestor window. */ synthesize_leave_event (current_mouse_window, nsevent, mode, GDK_NOTIFY_ANCESTOR); /* If there are intermediate windows, generate LEAVE_NOTIFY * events for them */ intermediate = gdk_window_get_parent (current_mouse_window); if (intermediate != window) { synthesize_leave_events (intermediate, window, nsevent, mode, GDK_NOTIFY_VIRTUAL); } synthesize_enter_event (window, nsevent, mode, GDK_NOTIFY_INFERIOR); } else if (current_mouse_window) { /* Find least common ancestor of current_mouse_window and window */ tem = current_mouse_window; do { common_ancestor = gdk_window_get_parent (tem); tem = common_ancestor; } while (common_ancestor && !gdk_window_is_ancestor (common_ancestor, window)); if (common_ancestor) { synthesize_leave_event (current_mouse_window, nsevent, mode, GDK_NOTIFY_NONLINEAR); intermediate = gdk_window_get_parent (current_mouse_window); if (intermediate != common_ancestor) { synthesize_leave_events (intermediate, common_ancestor, nsevent, mode, GDK_NOTIFY_NONLINEAR_VIRTUAL); } intermediate = gdk_window_get_parent (window); if (intermediate != common_ancestor) { synthesize_enter_events (common_ancestor, intermediate, nsevent, mode, GDK_NOTIFY_NONLINEAR_VIRTUAL); } synthesize_enter_event (window, nsevent, mode, GDK_NOTIFY_NONLINEAR); } } else { /* This means we have not current_mouse_window. FIXME: Should * we make sure to always set the root window instead of NULL? */ /* FIXME: Figure out why this is being called with window being * NULL. The check works around a crash for now. */ if (window) synthesize_enter_event (window, nsevent, mode, GDK_NOTIFY_UNKNOWN); } _gdk_quartz_update_mouse_window (window); } void _gdk_quartz_send_map_events (GdkWindow *window) { GList *list; GdkWindow *interested_window; GdkWindowObject *private = (GdkWindowObject *)window; interested_window = find_window_interested_in_event_mask (window, GDK_STRUCTURE_MASK, TRUE); if (interested_window) { GdkEvent *event = gdk_event_new (GDK_MAP); event->any.window = interested_window; append_event (event); } for (list = private->children; list != NULL; list = list->next) _gdk_quartz_send_map_events ((GdkWindow *)list->data); } /* Get current mouse window */ GdkWindow * _gdk_quartz_get_mouse_window (void) { if (_gdk_quartz_pointer_grab_window && !pointer_grab_owner_events) return _gdk_quartz_pointer_grab_window; return current_mouse_window; } /* Update mouse window */ void _gdk_quartz_update_mouse_window (GdkWindow *window) { if (window) g_object_ref (window); if (current_mouse_window) g_object_unref (current_mouse_window); current_mouse_window = window; } /* Update current cursor */ void _gdk_quartz_update_cursor (GdkWindow *window) { GdkWindowObject *private = GDK_WINDOW_OBJECT (window); NSCursor *nscursor = nil; while (private) { GdkWindowImplQuartz *impl = GDK_WINDOW_IMPL_QUARTZ (private->impl); nscursor = impl->nscursor; if (nscursor) break; private = private->parent; } if (!nscursor) nscursor = [NSCursor arrowCursor]; if ([NSCursor currentCursor] != nscursor) [nscursor set]; } /* This function finds the correct window to send an event to, * taking into account grabs (FIXME: not done yet), event propagation, * and event masks. */ static GdkWindow * find_window_for_event (NSEvent *nsevent, gint *x, gint *y) { NSWindow *nswindow = [nsevent window]; NSEventType event_type = [nsevent type]; if (!nswindow) return NULL; if (event_type == NSMouseMoved || event_type == NSLeftMouseDragged || event_type == NSRightMouseDragged || event_type == NSOtherMouseDragged) { GdkWindow *toplevel = [(GdkQuartzView *)[nswindow contentView] gdkWindow]; NSPoint point = [nsevent locationInWindow]; GdkWindow *mouse_window; mouse_window = _gdk_quartz_find_child_window_by_point (toplevel, point.x, point.y, x, y); if (!mouse_window) mouse_window = _gdk_root; if (_gdk_quartz_pointer_grab_window) { if (mouse_window != current_mouse_window) synthesize_crossing_events (mouse_window, GDK_CROSSING_NORMAL, nsevent, *x, *y); } else { if (current_mouse_window != mouse_window) { synthesize_crossing_events (mouse_window, GDK_CROSSING_NORMAL, nsevent, *x, *y); _gdk_quartz_update_cursor (mouse_window); } } } switch (event_type) { case NSLeftMouseDown: case NSRightMouseDown: case NSOtherMouseDown: case NSLeftMouseUp: case NSRightMouseUp: case NSOtherMouseUp: case NSMouseMoved: case NSScrollWheel: case NSLeftMouseDragged: case NSRightMouseDragged: case NSOtherMouseDragged: { GdkWindow *toplevel = [(GdkQuartzView *)[nswindow contentView] gdkWindow]; NSPoint point = [nsevent locationInWindow]; GdkWindow *mouse_window; GdkEventMask event_mask; GdkWindow *real_window; if (_gdk_quartz_pointer_grab_window && !pointer_grab_owner_events) { if (pointer_grab_event_mask & get_event_mask_from_ns_event (nsevent)) { int tempx, tempy; GdkWindowObject *w; GdkWindowObject *grab_toplevel; w = GDK_WINDOW_OBJECT (_gdk_quartz_pointer_grab_window); grab_toplevel = GDK_WINDOW_OBJECT (gdk_window_get_toplevel (_gdk_quartz_pointer_grab_window)); tempx = point.x; tempy = GDK_WINDOW_IMPL_QUARTZ (grab_toplevel->impl)->height - point.y; while (w != grab_toplevel) { tempx -= w->x; tempy -= w->y; w = w->parent; } *x = tempx; *y = tempy; return _gdk_quartz_pointer_grab_window; } else { return NULL; } } if (!nswindow) { mouse_window = _gdk_root; } else { mouse_window = _gdk_quartz_find_child_window_by_point (toplevel, point.x, point.y, x, y); } event_mask = get_event_mask_from_ns_event (nsevent); real_window = find_window_interested_in_event_mask (mouse_window, event_mask, TRUE); return real_window; } break; case NSMouseEntered: { NSPoint point; GdkWindow *toplevel; GdkWindow *mouse_window; point = [nsevent locationInWindow]; toplevel = [(GdkQuartzView *)[nswindow contentView] gdkWindow]; mouse_window = _gdk_quartz_find_child_window_by_point (toplevel, point.x, point.y, x, y); synthesize_crossing_events (mouse_window, GDK_CROSSING_NORMAL, nsevent, *x, *y); } break; case NSMouseExited: synthesize_crossing_events (_gdk_root, GDK_CROSSING_NORMAL, nsevent, *x, *y); break; case NSKeyDown: case NSKeyUp: case NSFlagsChanged: { GdkEventMask event_mask; if (_gdk_quartz_keyboard_grab_window && !keyboard_grab_owner_events) return _gdk_quartz_keyboard_grab_window; event_mask = get_event_mask_from_ns_event (nsevent); return find_window_interested_in_event_mask (current_keyboard_window, event_mask, TRUE); } break; case NSAppKitDefined: case NSSystemDefined: /* We ignore these events */ break; default: NSLog(@"Unhandled event %@", nsevent); } return NULL; } static GdkEvent * create_button_event (GdkWindow *window, NSEvent *nsevent, gint x, gint y) { GdkEvent *event; GdkEventType type; guint button; switch ([nsevent type]) { case NSLeftMouseDown: case NSRightMouseDown: case NSOtherMouseDown: type = GDK_BUTTON_PRESS; break; case NSLeftMouseUp: case NSRightMouseUp: case NSOtherMouseUp: type = GDK_BUTTON_RELEASE; break; default: g_assert_not_reached (); } button = convert_mouse_button_number ([nsevent buttonNumber]); event = gdk_event_new (type); event->button.window = window; event->button.time = get_event_time (nsevent); event->button.x = x; event->button.y = y; /* FIXME event->axes */ event->button.state = get_keyboard_modifiers_from_nsevent (nsevent); event->button.button = button; event->button.device = _gdk_display->core_pointer; convert_window_coordinates_to_root (window, x, y, &event->button.x_root, &event->button.y_root); return event; } static GdkEvent * create_motion_event (GdkWindow *window, NSEvent *nsevent, gint x, gint y) { GdkEvent *event; GdkEventType type; GdkModifierType state = 0; int button = 0; switch ([nsevent type]) { case NSLeftMouseDragged: case NSRightMouseDragged: case NSOtherMouseDragged: button = convert_mouse_button_number ([nsevent buttonNumber]); /* Fall through */ case NSMouseMoved: type = GDK_MOTION_NOTIFY; break; default: g_assert_not_reached (); } /* This maps buttons 1 to 5 to GDK_BUTTON[1-5]_MASK */ if (button >= 1 && button <= 5) state = (1 << (button + 7)); state |= get_keyboard_modifiers_from_nsevent (nsevent); event = gdk_event_new (type); event->motion.window = window; event->motion.time = get_event_time (nsevent); event->motion.x = x; event->motion.y = y; /* FIXME event->axes */ event->motion.state = state; event->motion.is_hint = FALSE; event->motion.device = _gdk_display->core_pointer; convert_window_coordinates_to_root (window, x, y, &event->motion.x_root, &event->motion.y_root); return event; } static GdkEvent * create_scroll_event (GdkWindow *window, NSEvent *nsevent, GdkScrollDirection direction) { GdkEvent *event; NSPoint point; event = gdk_event_new (GDK_SCROLL); event->scroll.window = window; event->scroll.time = get_event_time (nsevent); point = [nsevent locationInWindow]; event->scroll.x = point.x; event->scroll.y = point.y; convert_window_coordinates_to_root (window, event->scroll.x, event->scroll.y, &event->scroll.x_root, &event->scroll.y_root); event->scroll.direction = direction; event->scroll.device = _gdk_display->core_pointer; return event; } static GdkEvent * create_key_event (GdkWindow *window, NSEvent *nsevent, GdkEventType type) { GdkEvent *event; gchar buf[7]; gunichar c = 0; event = gdk_event_new (type); event->key.window = window; event->key.time = get_event_time (nsevent); event->key.state = get_keyboard_modifiers_from_nsevent (nsevent); event->key.hardware_keycode = [nsevent keyCode]; event->key.group = ([nsevent modifierFlags] & NSAlternateKeyMask) ? 1 : 0; event->key.keyval = GDK_VoidSymbol; gdk_keymap_translate_keyboard_state (NULL, event->key.hardware_keycode, event->key.state, event->key.group, &event->key.keyval, NULL, NULL, NULL); event->key.is_modifier = _gdk_quartz_key_is_modifier (event->key.hardware_keycode); event->key.string = NULL; /* Fill in ->string since apps depend on it, taken from the x11 backend. */ if (event->key.keyval != GDK_VoidSymbol) c = gdk_keyval_to_unicode (event->key.keyval); if (c) { gsize bytes_written; gint len; len = g_unichar_to_utf8 (c, buf); buf[len] = '\0'; event->key.string = g_locale_from_utf8 (buf, len, NULL, &bytes_written, NULL); if (event->key.string) event->key.length = bytes_written; } else if (event->key.keyval == GDK_Escape) { event->key.length = 1; event->key.string = g_strdup ("\033"); } else if (event->key.keyval == GDK_Return || event->key.keyval == GDK_KP_Enter) { event->key.length = 1; event->key.string = g_strdup ("\r"); } if (!event->key.string) { event->key.length = 0; event->key.string = g_strdup (""); } GDK_NOTE(EVENTS, g_message ("key %s:\t\twindow: %p key: %12s %d", type == GDK_KEY_PRESS ? "press" : "release", event->key.window, event->key.keyval ? gdk_keyval_name (event->key.keyval) : "(none)", event->key.keyval)); return event; } static GdkEventMask current_mask = 0; GdkEventMask _gdk_quartz_get_current_event_mask (void) { return current_mask; } static gboolean gdk_event_translate (NSEvent *nsevent) { GdkWindow *window; GdkFilterReturn result; GdkEvent *event; int x, y; if (_gdk_default_filters) { /* Apply global filters */ GdkFilterReturn result = apply_filters (NULL, nsevent, _gdk_default_filters); /* If result is GDK_FILTER_CONTINUE, we continue as if nothing * happened. If it is GDK_FILTER_REMOVE, * we return TRUE and won't send the message to Quartz. */ if (result == GDK_FILTER_REMOVE) return TRUE; } /* Catch the case where the entire app loses focus, and break any grabs. */ if ([nsevent type] == NSAppKitDefined) { if ([nsevent subtype] == NSApplicationDeactivatedEventType) { if (_gdk_quartz_keyboard_grab_window) { generate_grab_broken_event (_gdk_quartz_keyboard_grab_window, TRUE, FALSE, NULL); g_object_unref (_gdk_quartz_keyboard_grab_window); _gdk_quartz_keyboard_grab_window = NULL; } if (_gdk_quartz_pointer_grab_window) { generate_grab_broken_event (_gdk_quartz_pointer_grab_window, FALSE, pointer_grab_implicit, NULL); g_object_unref (_gdk_quartz_pointer_grab_window); _gdk_quartz_pointer_grab_window = NULL; } } } window = find_window_for_event (nsevent, &x, &y); /* FIXME: During owner_event grabs, we don't find a window when there is a * click on a no-window widget, which makes popups etc still stay up. Need * to figure out why that is. */ if (!window) return FALSE; result = apply_filters (window, nsevent, ((GdkWindowObject *) window)->filters); if (result == GDK_FILTER_REMOVE) return TRUE; current_mask = get_event_mask_from_ns_event (nsevent); switch ([nsevent type]) { case NSLeftMouseDown: case NSRightMouseDown: case NSOtherMouseDown: { GdkEventMask event_mask; /* Emulate implicit grab, when the window has both PRESS and RELEASE * in its mask, like X (and make it owner_events since that's what * implicit grabs are like). */ event_mask = (GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_RELEASE_MASK); if (!_gdk_quartz_pointer_grab_window && (GDK_WINDOW_OBJECT (window)->event_mask & event_mask) == event_mask) { pointer_grab_internal (window, TRUE, GDK_WINDOW_OBJECT (window)->event_mask, NULL, NULL, TRUE); } } event = create_button_event (window, nsevent, x, y); append_event (event); _gdk_event_button_generate (_gdk_display, event); break; case NSLeftMouseUp: case NSRightMouseUp: case NSOtherMouseUp: event = create_button_event (window, nsevent, x, y); append_event (event); /* Ungrab implicit grab */ if (_gdk_quartz_pointer_grab_window && pointer_grab_implicit) pointer_ungrab_internal (TRUE); break; case NSLeftMouseDragged: case NSRightMouseDragged: case NSOtherMouseDragged: case NSMouseMoved: event = create_motion_event (window, nsevent, x, y); append_event (event); break; case NSScrollWheel: { float dx = [nsevent deltaX]; float dy = [nsevent deltaY]; GdkScrollDirection direction; /* The delta is how much the mouse wheel has moved. Since there's no such thing in GTK+ * we accomodate by sending a different number of scroll wheel events. */ /* First do y events */ if (dy < 0.0) { dy = -dy; direction = GDK_SCROLL_DOWN; } else direction = GDK_SCROLL_UP; while (dy > 0.0) { event = create_scroll_event (window, nsevent, direction); append_event (event); dy--; } /* Now do x events */ if (dx < 0.0) { dx = -dx; direction = GDK_SCROLL_RIGHT; } else direction = GDK_SCROLL_LEFT; while (dx > 0.0) { event = create_scroll_event (window, nsevent, direction); append_event (event); dx--; } break; } case NSKeyDown: case NSKeyUp: case NSFlagsChanged: { GdkEventType type; type = _gdk_quartz_key_event_type (nsevent); if (type == GDK_NOTHING) return FALSE; event = create_key_event (window, nsevent, type); append_event (event); return TRUE; } break; default: NSLog(@"Untranslated: %@", nsevent); } return FALSE; } void _gdk_events_queue (GdkDisplay *display) { if (current_event) { if (!gdk_event_translate (current_event)) [NSApp sendEvent:current_event]; [current_event release]; current_event = NULL; } } void gdk_flush (void) { /* Not supported. */ } void gdk_display_sync (GdkDisplay *display) { /* Not supported. */ } void gdk_display_flush (GdkDisplay *display) { /* Not supported. */ } gboolean gdk_event_send_client_message_for_display (GdkDisplay *display, GdkEvent *event, GdkNativeWindow winid) { /* Not supported. */ return FALSE; } void gdk_screen_broadcast_client_message (GdkScreen *screen, GdkEvent *event) { /* Not supported. */ } gboolean gdk_screen_get_setting (GdkScreen *screen, const gchar *name, GValue *value) { /* FIXME: This should be fetched from the correct preference value. See: http://developer.apple.com/documentation/UserExperience/\ Conceptual/OSXHIGuidelines/XHIGText/chapter_13_section_2.html */ if (strcmp (name, "gtk-font-name") == 0) { g_value_set_string (value, "Lucida Grande 12"); return TRUE; } else if (strcmp (name, "gtk-double-click-time") == 0) { NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; float t; GDK_QUARTZ_ALLOC_POOL; t = [defaults floatForKey:@"com.apple.mouse.doubleClickThreshold"]; if (t == 0.0) { /* No user setting, use the default in OS X. */ t = 0.5; } GDK_QUARTZ_RELEASE_POOL; g_value_set_int (value, t * 1000); return TRUE; } /* FIXME: Add more settings */ return FALSE; }