/* gdkevents-quartz.c * * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * Copyright (C) 1998-2002 Tor Lillqvist * Copyright (C) 2005-2007 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 #import #include #include "gdkscreen.h" #include "gdkkeysyms.h" #include "gdkprivate-quartz.h" /* 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; /* This is the event mask and button state from the last event */ static GdkEventMask current_event_mask; static int current_button_state; static void get_child_coordinates_from_ancestor (GdkWindow *ancestor_window, gint ancestor_x, gint ancestor_y, GdkWindow *child_window, gint *child_x, gint *child_y); static void get_ancestor_coordinates_from_child (GdkWindow *child_window, gint child_x, gint child_y, GdkWindow *ancestor_window, gint *ancestor_x, gint *ancestor_y); static void get_converted_window_coordinates (GdkWindow *in_window, gint in_x, gint in_y, GdkWindow *out_window, gint *out_x, gint *out_y); static void append_event (GdkEvent *event); static const gchar * which_window_is_this (GdkWindow *window) { static gchar buf[256]; const gchar *name = NULL; gpointer widget; /* Get rid of compiler warning. */ if (0) which_window_is_this (window); if (window == _gdk_root) name = "root"; else if (window == NULL) name = "null"; if (window) { gdk_window_get_user_data (window, &widget); if (widget) name = G_OBJECT_TYPE_NAME (widget); } if (!name) name = "unknown"; snprintf (buf, 256, "<%s (%p)%s>", name, window, window == current_mouse_window ? ", is mouse" : ""); return buf; } /* A category that exposes the protected carbon event for an NSEvent. */ @interface NSEvent (GdkQuartzNSEvent) - (void *)gdk_quartz_event_ref; @end @implementation NSEvent (GdkQuartzNSEvent) - (void *)gdk_quartz_event_ref { return _eventRef; } @end void _gdk_events_init (void) { _gdk_quartz_event_loop_init (); 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) || (_gdk_quartz_event_loop_get_current () != 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; pointer_grab_owner_events = FALSE; pointer_grab_event_mask = 0; pointer_grab_implicit = FALSE; /* FIXME: Send crossing events */ } gboolean gdk_display_pointer_is_grabbed (GdkDisplay *display) { return (_gdk_quartz_pointer_grab_window != NULL && !pointer_grab_implicit); } 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) generate_grab_broken_event (_gdk_quartz_pointer_grab_window, FALSE, pointer_grab_implicit, window); pointer_ungrab_internal (FALSE); } return pointer_grab_internal (window, owner_events, event_mask, confine_to, cursor, FALSE); } /* This is used to break any grabs in the case where we have to due to * the grab emulation. Instead of enforcing the desktop wide grab, we * break it when the app loses focus for example. */ static void break_all_grabs (void) { 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); pointer_ungrab_internal (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; } /* Checks if the passed in window is interested in the event mask, and * if so, it's returned. If not, the event can be propagated through * its ancestors until one with the right event mask is found, up to * the nearest toplevel. */ static GdkWindow * find_window_interested_in_event_mask (GdkWindow *window, GdkEventMask event_mask, gboolean propagate) { GdkWindowObject *private; private = GDK_WINDOW_OBJECT (window); while (private) { if (private->event_mask & event_mask) return (GdkWindow *)private; if (!propagate) return NULL; /* Don't traverse beyond toplevels. */ if (GDK_WINDOW_TYPE (private) != GDK_WINDOW_CHILD) break; private = private->parent; } return NULL; } static guint32 get_time_from_ns_event (NSEvent *event) { double time = [event timestamp]; return time * 1000.0; } static int get_mouse_button_from_ns_event (NSEvent *event) { int button; button = [event buttonNumber]; switch (button) { case 0: return 1; case 1: return 3; case 2: return 2; default: return button + 1; } } static GdkModifierType get_mouse_button_modifiers_from_ns_event (NSEvent *event) { int button; GdkModifierType state = 0; /* This maps buttons 1 to 5 to GDK_BUTTON[1-5]_MASK */ button = get_mouse_button_from_ns_event (event); if (button >= 1 && button <= 5) state = (1 << (button + 7)); return state; } static GdkModifierType get_keyboard_modifiers_from_ns_event (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; return modifiers; } /* 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 (get_mouse_button_from_ns_event (nsevent) == 2) mask |= (GDK_BUTTON2_MOTION_MASK | GDK_BUTTON2_MOTION_MASK | GDK_BUTTON2_MASK); return mask; } case NSKeyDown: case NSKeyUp: case NSFlagsChanged: { switch (_gdk_quartz_keys_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_events_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 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; } } /* FIXME: Refactor and share with scroll event. */ static GdkEvent * create_crossing_event (GdkWindow *window, NSEvent *nsevent, GdkEventType event_type, GdkCrossingMode mode, GdkNotifyType detail) { GdkEvent *event; gint x_tmp, y_tmp; event = gdk_event_new (event_type); event->crossing.window = window; event->crossing.subwindow = NULL; /* FIXME */ event->crossing.time = get_time_from_ns_event (nsevent); /* Split out this block: */ { NSWindow *nswindow; GdkWindow *toplevel; GdkWindowImplQuartz *impl; NSPoint point; nswindow = [nsevent window]; point = [nsevent locationInWindow]; toplevel = [(GdkQuartzView *)[nswindow contentView] gdkWindow]; impl = GDK_WINDOW_IMPL_QUARTZ (GDK_WINDOW_OBJECT (toplevel)->impl); x_tmp = point.x; y_tmp = impl->height - point.y; get_converted_window_coordinates (toplevel, x_tmp, y_tmp, window, &x_tmp, &y_tmp); } event->crossing.x = x_tmp; event->crossing.y = y_tmp; 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; event->crossing.state = get_keyboard_modifiers_from_ns_event (nsevent); /* FIXME: focus and button state */ 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 (window == current_mouse_window) return; if (_gdk_quartz_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_quartz_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_quartz_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 no current_mouse_window, which probably * means that there is a bug somewhere, we should always have * the root in we don't have another window. Does this ever * happen? */ g_warning ("Trying to create crossing event when current_mouse_window is NULL"); } _gdk_quartz_events_update_mouse_window (window); /* FIXME: This does't work when someone calls gdk_window_set_cursor * during a grab. The right behavior is that the cursor doesn't * change when a grab is in effect, but in that case it does. */ if (window && !_gdk_quartz_pointer_grab_window) _gdk_quartz_events_update_cursor (window); } void _gdk_quartz_events_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_events_send_map_events ((GdkWindow *)list->data); } /* Get current mouse window */ GdkWindow * _gdk_quartz_events_get_mouse_window (gboolean consider_grabs) { if (!consider_grabs) return current_mouse_window; 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_events_update_mouse_window (GdkWindow *window) { if (window == current_mouse_window) return; 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_events_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]; } /* Translates coordinates from an ancestor window + coords, to * coordinates that are relative the child window. */ static void get_child_coordinates_from_ancestor (GdkWindow *ancestor_window, gint ancestor_x, gint ancestor_y, GdkWindow *child_window, gint *child_x, gint *child_y) { GdkWindowObject *ancestor_private = GDK_WINDOW_OBJECT (ancestor_window); GdkWindowObject *child_private = GDK_WINDOW_OBJECT (child_window); while (child_private != ancestor_private) { ancestor_x -= child_private->x; ancestor_y -= child_private->y; child_private = child_private->parent; } *child_x = ancestor_x; *child_y = ancestor_y; } /* Translates coordinates from a child window + coords, to * coordinates that are relative the ancestor window. */ static void get_ancestor_coordinates_from_child (GdkWindow *child_window, gint child_x, gint child_y, GdkWindow *ancestor_window, gint *ancestor_x, gint *ancestor_y) { GdkWindowObject *child_private = GDK_WINDOW_OBJECT (child_window); GdkWindowObject *ancestor_private = GDK_WINDOW_OBJECT (ancestor_window); while (child_private != ancestor_private) { child_x += child_private->x; child_y += child_private->y; child_private = child_private->parent; } *ancestor_x = child_x; *ancestor_y = child_y; } /* Translates coordinates relative to one window (in_window) into * coordinates relative to another window (out_window). */ static void get_converted_window_coordinates (GdkWindow *in_window, gint in_x, gint in_y, GdkWindow *out_window, gint *out_x, gint *out_y) { GdkWindow *in_toplevel; GdkWindow *out_toplevel; int in_origin_x, in_origin_y; int out_origin_x, out_origin_y; if (in_window == out_window) { *out_x = in_x; *out_y = in_y; return; } /* First translate to "in" toplevel coordinates, then on to "out" * toplevel coordinates, and finally to "out" child (the passed in * window) coordinates. */ in_toplevel = gdk_window_get_toplevel (in_window); out_toplevel = gdk_window_get_toplevel (out_window); /* Translate in_x, in_y to "in" toplevel coordinates. */ get_ancestor_coordinates_from_child (in_window, in_x, in_y, in_toplevel, &in_x, &in_y); gdk_window_get_origin (in_toplevel, &in_origin_x, &in_origin_y); gdk_window_get_origin (out_toplevel, &out_origin_x, &out_origin_y); /* Translate in_x, in_y to "out" toplevel coordinates. */ in_x -= out_origin_x - in_origin_x; in_y -= out_origin_y - in_origin_y; get_child_coordinates_from_ancestor (out_toplevel, in_x, in_y, out_window, out_x, out_y); } /* Given a mouse NSEvent (must be a mouse event for a GDK window), * finds the subwindow over which the pointer is located. Returns * coordinates relative to the found window. If no window is found, * returns the root window, and root window coordinates. */ static GdkWindow * find_mouse_window_for_ns_event (NSEvent *nsevent, gint *x_ret, gint *y_ret) { GdkWindow *event_toplevel; GdkWindowImplQuartz *impl; GdkWindow *mouse_toplevel; GdkWindow *mouse_window; NSPoint point; gint x_tmp, y_tmp; event_toplevel = [(GdkQuartzView *)[[nsevent window] contentView] gdkWindow]; impl = GDK_WINDOW_IMPL_QUARTZ (GDK_WINDOW_OBJECT (event_toplevel)->impl); point = [nsevent locationInWindow]; x_tmp = point.x; y_tmp = impl->height - point.y; mouse_toplevel = gdk_window_get_toplevel (current_mouse_window); get_converted_window_coordinates (event_toplevel, x_tmp, y_tmp, mouse_toplevel, &x_tmp, &y_tmp); mouse_window = _gdk_quartz_window_find_child (mouse_toplevel, x_tmp, y_tmp); if (mouse_window && mouse_window != mouse_toplevel) { get_child_coordinates_from_ancestor (mouse_toplevel, x_tmp, y_tmp, mouse_window, &x_tmp, &y_tmp); } else if (!mouse_window) { /* This happens for events on the window title buttons and the * desktop, treat those as being on the root window. */ get_converted_window_coordinates (mouse_toplevel, x_tmp, y_tmp, _gdk_root, &x_tmp, &y_tmp); mouse_window = _gdk_root; } *x_ret = x_tmp; *y_ret = y_tmp; return mouse_window; } /* Synthesizes crossing events if necessary, based on the passed in * NSEvent. Uses NSMouseEntered and NSMouseExisted for toplevels and * the mouse moved/dragged events for child windows, to see if the * mouse window has changed. */ static void synthesize_crossing_events_for_ns_event (NSEvent *nsevent) { NSEventType event_type; GdkWindow *mouse_window; gint x; gint y; event_type = [nsevent type]; switch (event_type) { case NSMouseMoved: case NSLeftMouseDragged: case NSRightMouseDragged: case NSOtherMouseDragged: /* We only handle moving the pointer to another GDK window. * Leaving to a non-GDK toplevel window (or window title bar or * the desktop) is covered by NSMouseExited events. */ mouse_window = find_mouse_window_for_ns_event (nsevent, &x, &y); if (mouse_window != _gdk_root) synthesize_crossing_events (mouse_window, GDK_CROSSING_NORMAL, nsevent, x, y); break; case NSMouseEntered: { GdkWindow *event_toplevel; GdkWindowImplQuartz *impl; NSPoint point; /* This is the only case where we actually use the window from * the event since we need to know which toplevel we entered * so it can be tracked properly. */ event_toplevel = [(GdkQuartzView *)[[nsevent window] contentView] gdkWindow]; impl = GDK_WINDOW_IMPL_QUARTZ (GDK_WINDOW_OBJECT (event_toplevel)->impl); point = [nsevent locationInWindow]; x = point.x; y = impl->height - point.y; mouse_window = _gdk_quartz_window_find_child (event_toplevel, x, y); /* Treat unknown windows (like the title bar buttons or * desktop) as the root window. */ if (!mouse_window) mouse_window = _gdk_root; if (mouse_window != event_toplevel) get_converted_window_coordinates (event_toplevel, x, y, mouse_window, &x, &y); synthesize_crossing_events (mouse_window, GDK_CROSSING_NORMAL, nsevent, x, y); } break; case NSMouseExited: { GdkWindow *event_toplevel; GdkWindowImplQuartz *impl; NSPoint point; /* We only use NSMouseExited when leaving to the root * window. The other cases are handled above by checking the * motion/button events, or getting a NSMouseEntered for * another GDK window. The reason we don't use NSMouseExited * for other windows is that quartz first delivers the entered * event and then the exited which is the opposite from what * we need. */ event_toplevel = [(GdkQuartzView *)[[nsevent window] contentView] gdkWindow]; impl = GDK_WINDOW_IMPL_QUARTZ (GDK_WINDOW_OBJECT (event_toplevel)->impl); point = [nsevent locationInWindow]; x = point.x; y = impl->height - point.y; x += GDK_WINDOW_OBJECT (event_toplevel)->x; y += GDK_WINDOW_OBJECT (event_toplevel)->y; /* If there is a window other than the root window at this * position, it means we didn't exit to the root window and we * ignore the event. * * FIXME: This is not enough, it doesn't catch the case where * we leave a GDK window to a non-GDK window that has GDK * windows below it. */ mouse_window = _gdk_quartz_window_find_child (_gdk_root, x, y); if (gdk_window_get_toplevel (mouse_window) == gdk_window_get_toplevel (current_mouse_window)) mouse_window = _gdk_root; if (mouse_window == _gdk_root) synthesize_crossing_events (_gdk_root, GDK_CROSSING_NORMAL, nsevent, x, y); } break; default: break; } } /* This function finds the correct window to send an event to, taking * into account grabs, event propagation, and event masks. */ static GdkWindow * find_window_for_ns_event (NSEvent *nsevent, gint *x, gint *y) { NSEventType event_type; event_type = [nsevent type]; 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 *mouse_window; GdkEventMask event_mask; GdkWindow *real_window; /* From the docs for XGrabPointer: * * If owner_events is True and if a generated pointer event * would normally be reported to this client, it is reported * as usual. Otherwise, the event is reported with respect to * the grab_window and is reported only if selected by * event_mask. For either value of owner_events, unreported * events are discarded. * * This means we first try the owner, then the grab window, * then give up. */ if (_gdk_quartz_pointer_grab_window) { if (pointer_grab_owner_events) { mouse_window = find_mouse_window_for_ns_event (nsevent, x, y); event_mask = get_event_mask_from_ns_event (nsevent); real_window = find_window_interested_in_event_mask (mouse_window, event_mask, TRUE); if (mouse_window && real_window && mouse_window != real_window) get_ancestor_coordinates_from_child (mouse_window, *x, *y, real_window, x, y); if (real_window) return real_window; } /* Finally check the grab window. */ if (pointer_grab_event_mask & get_event_mask_from_ns_event (nsevent)) { GdkWindow *event_toplevel; GdkWindow *grab_toplevel; NSPoint point; int x_tmp, y_tmp; event_toplevel = [(GdkQuartzView *)[[nsevent window] contentView] gdkWindow]; grab_toplevel = gdk_window_get_toplevel (_gdk_quartz_pointer_grab_window); point = [nsevent locationInWindow]; x_tmp = point.x; y_tmp = GDK_WINDOW_IMPL_QUARTZ (GDK_WINDOW_OBJECT (grab_toplevel)->impl)->height - point.y; /* Translate the coordinates so they are relative to * the grab window instead of the event toplevel for * the cases where they are not the same. */ get_converted_window_coordinates (event_toplevel, x_tmp, y_tmp, _gdk_quartz_pointer_grab_window, x, y); return _gdk_quartz_pointer_grab_window; } return NULL; } else { /* The non-grabbed case. */ mouse_window = find_mouse_window_for_ns_event (nsevent, x, y); event_mask = get_event_mask_from_ns_event (nsevent); real_window = find_window_interested_in_event_mask (mouse_window, event_mask, TRUE); /* We have to translate the coordinates if the actual * window is different from the mouse window. */ if (mouse_window && real_window && mouse_window != real_window) get_ancestor_coordinates_from_child (mouse_window, *x, *y, real_window, x, y); return real_window; } } break; case NSMouseEntered: case NSMouseExited: /* Already handled in synthesize_crossing_events_for_ns_event. */ 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; default: /* Ignore everything else. */ break; } return NULL; } static GdkEvent * create_button_event (GdkWindow *window, NSEvent *nsevent, gint x, gint y) { GdkEvent *event; GdkEventType type; gint state; gint button; state = get_keyboard_modifiers_from_ns_event (nsevent); switch ([nsevent type]) { case NSLeftMouseDown: case NSRightMouseDown: case NSOtherMouseDown: type = GDK_BUTTON_PRESS; break; case NSLeftMouseUp: case NSRightMouseUp: case NSOtherMouseUp: type = GDK_BUTTON_RELEASE; state |= get_mouse_button_modifiers_from_ns_event (nsevent); break; default: g_assert_not_reached (); } button = get_mouse_button_from_ns_event (nsevent); event = gdk_event_new (type); event->button.window = window; event->button.time = get_time_from_ns_event (nsevent); event->button.x = x; event->button.y = y; /* FIXME event->axes */ event->button.state = state; 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; switch ([nsevent type]) { case NSLeftMouseDragged: case NSRightMouseDragged: case NSOtherMouseDragged: state = get_mouse_button_modifiers_from_ns_event (nsevent); /* Fall through */ case NSMouseMoved: type = GDK_MOTION_NOTIFY; break; default: g_assert_not_reached (); } state |= get_keyboard_modifiers_from_ns_event (nsevent); event = gdk_event_new (type); event->motion.window = window; event->motion.time = get_time_from_ns_event (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_time_from_ns_event (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_time_from_ns_event (nsevent); event->key.state = get_keyboard_modifiers_from_ns_event (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_keys_is_modifier (event->key.hardware_keycode); /* If the key press is a modifier, the state should include the mask * for that modifier but only for releases, not presses. This * matches the X11 backend behavior. */ if (event->key.is_modifier) { int mask = 0; switch (event->key.keyval) { case GDK_Meta_R: case GDK_Meta_L: mask = GDK_MOD1_MASK; break; case GDK_Shift_R: case GDK_Shift_L: mask = GDK_SHIFT_MASK; break; case GDK_Caps_Lock: mask = GDK_LOCK_MASK; break; case GDK_Alt_R: case GDK_Alt_L: mask = GDK_MOD5_MASK; break; case GDK_Control_R: case GDK_Control_L: mask = GDK_CONTROL_MASK; break; default: mask = 0; } if (type == GDK_KEY_PRESS) event->key.state &= ~mask; else if (type == GDK_KEY_RELEASE) event->key.state |= mask; } event->key.state |= current_button_state; 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; } GdkEventMask _gdk_quartz_events_get_current_event_mask (void) { return current_event_mask; } static gboolean gdk_event_translate (NSEvent *nsevent) { NSWindow *nswindow; GdkWindow *window; GdkFilterReturn result; GdkEvent *event; int x, y; /* There is no support for real desktop wide grabs, so we break * grabs when the application loses focus (gets deactivated). */ if ([nsevent type] == NSAppKitDefined) { if ([nsevent subtype] == NSApplicationDeactivatedEventType) break_all_grabs (); /* This could potentially be used to break grabs when clicking * on the title. The subtype 20 is undocumented so it's probably * not a good idea: else if (subtype == 20) break_all_grabs (); */ } /* Special-case menu shortcut events. We create command events for * those and forward to the corresponding menu. */ if ((!_gdk_quartz_keyboard_grab_window || (_gdk_quartz_keyboard_grab_window && keyboard_grab_owner_events)) && [nsevent type] == NSKeyDown) { EventRef event_ref; MenuRef menu_ref; MenuItemIndex index; event_ref = [nsevent gdk_quartz_event_ref]; if (IsMenuKeyEvent (NULL, event_ref, kMenuEventQueryOnly, &menu_ref, &index)) { MenuCommand menu_command; HICommand hi_command; if (GetMenuItemCommandID (menu_ref, index, &menu_command) != noErr) return FALSE; hi_command.commandID = menu_command; hi_command.menu.menuRef = menu_ref; hi_command.menu.menuItemIndex = index; CreateEvent (NULL, kEventClassCommand, kEventCommandProcess, 0, kEventAttributeUserEvent, &event_ref); SetEventParameter (event_ref, kEventParamDirectObject, typeHICommand, sizeof (HICommand), &hi_command); SendEventToEventTarget (event_ref, GetMenuEventTarget (menu_ref)); ReleaseEvent (event_ref); return TRUE; } } /* Keep track of button state, since we don't get that information * for key events. */ switch ([nsevent type]) { case NSLeftMouseDown: case NSRightMouseDown: case NSOtherMouseDown: current_button_state |= get_mouse_button_modifiers_from_ns_event (nsevent); break; case NSLeftMouseUp: case NSRightMouseUp: case NSOtherMouseUp: current_button_state &= ~get_mouse_button_modifiers_from_ns_event (nsevent); break; default: break; } nswindow = [nsevent window]; /* Ignore events for no window or ones not created by GDK. */ if (!nswindow || ![[nswindow contentView] isKindOfClass:[GdkQuartzView class]]) return FALSE; /* Ignore events and break grabs while the window is being * dragged. This is a workaround for the window getting events for * the window title. */ if ([(GdkQuartzWindow *)nswindow isInMove]) { break_all_grabs (); return FALSE; } /* Apply any global filters. */ if (_gdk_default_filters) { 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; } /* Take care of NSMouseEntered/Exited events and mouse movements * events and emit the right GDK crossing events. */ synthesize_crossing_events_for_ns_event (nsevent); /* Find the right GDK window to send the event to, taking grabs and * event masks into consideration. */ window = find_window_for_ns_event (nsevent, &x, &y); if (!window) return FALSE; /* Apply any window filters. */ result = apply_filters (window, nsevent, ((GdkWindowObject *) window)->filters); if (result == GDK_FILTER_REMOVE) return TRUE; /* We need the appliction to be activated on clicks so that popups * like context menus get events routed properly. This is handled * automatically for left mouse button presses but not other * buttons, so we do it here. */ if ([nsevent type] == NSRightMouseDown || [nsevent type] == NSOtherMouseDown) { if (![NSApp isActive]) [NSApp activateIgnoringOtherApps:YES]; } current_event_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. */ event_mask = (GDK_BUTTON_PRESS_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, FALSE, 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_keys_event_type (nsevent); if (type == GDK_NOTHING) return FALSE; event = create_key_event (window, nsevent, type); append_event (event); return TRUE; } break; default: /* Ignore everything elsee. */ break; } return FALSE; } void _gdk_events_queue (GdkDisplay *display) { NSEvent *current_event = _gdk_quartz_event_loop_get_current (); if (current_event) { if (!gdk_event_translate (current_event)) [NSApp sendEvent:current_event]; _gdk_quartz_event_loop_release_current (); } } void gdk_flush (void) { /* Not supported. */ } void gdk_display_add_client_message_filter (GdkDisplay *display, GdkAtom message_type, GdkFilterFunc func, gpointer data) { /* Not supported. */ } void gdk_add_client_message_filter (GdkAtom message_type, GdkFilterFunc func, gpointer data) { /* 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) { 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; }