/* gdkevents-quartz.c * * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * Copyright (C) 1998-2002 Tor Lillqvist * Copyright (C) 2005-2008 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 "config.h" #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 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; } NSEvent * gdk_quartz_event_get_nsevent (GdkEvent *event) { /* FIXME: If the event here is unallocated, we crash. */ return ((GdkEventPrivate *) event)->windowing_data; } 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_check_pending ())); } GdkEvent* gdk_event_get_graphics_expose (GdkWindow *window) { /* FIXME: Implement */ return NULL; } GdkGrabStatus gdk_keyboard_grab (GdkWindow *window, gint owner_events, guint32 time) { GdkDisplay *display; GdkWindow *toplevel; g_return_val_if_fail (window != NULL, 0); g_return_val_if_fail (GDK_IS_WINDOW (window), 0); display = gdk_drawable_get_display (window); toplevel = gdk_window_get_toplevel (window); _gdk_display_set_has_keyboard_grab (display, window, toplevel, owner_events, 0, time); return GDK_GRAB_SUCCESS; } void gdk_display_keyboard_ungrab (GdkDisplay *display, guint32 time) { _gdk_display_unset_has_keyboard_grab (display, FALSE); } void gdk_display_pointer_ungrab (GdkDisplay *display, guint32 time) { _gdk_display_unset_has_pointer_grab (display, FALSE, FALSE, time); } GdkGrabStatus gdk_pointer_grab (GdkWindow *window, gboolean owner_events, GdkEventMask event_mask, GdkWindow *confine_to, GdkCursor *cursor, guint32 time) { GdkWindow *toplevel; g_return_val_if_fail (GDK_IS_WINDOW (window), 0); g_return_val_if_fail (confine_to == NULL || GDK_IS_WINDOW (confine_to), 0); toplevel = gdk_window_get_toplevel (window); _gdk_display_set_has_pointer_grab (_gdk_display, window, toplevel, owner_events, event_mask, 0, time, FALSE); return GDK_GRAB_SUCCESS; } static void break_all_grabs (guint32 time) { /* if (_gdk_quartz_keyboard_grab_window) { generate_grab_broken_event (_gdk_quartz_keyboard_grab_window, TRUE, NULL); g_object_unref (_gdk_quartz_keyboard_grab_window); _gdk_quartz_keyboard_grab_window = NULL; } */ if (_gdk_display->pointer_grab.window) { g_print ("break all grabs\n"); _gdk_display_unset_has_pointer_grab (_gdk_display, _gdk_display->pointer_grab.implicit, FALSE, time); } } 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 gint gdk_event_apply_filters (NSEvent *nsevent, GdkEvent *event, GList *filters) { GList *tmp_list; GdkFilterReturn result; 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) return result; } return GDK_FILTER_CONTINUE; } 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 (); } } break; case NSMouseEntered: return GDK_ENTER_NOTIFY_MASK; case NSMouseExited: return GDK_LEAVE_NOTIFY_MASK; 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); } } void _gdk_quartz_events_send_map_event (GdkWindow *window) { GdkWindowObject *private = (GdkWindowObject *)window; GdkWindowImplQuartz *impl = GDK_WINDOW_IMPL_QUARTZ (private->impl); if (!impl->toplevel) return; if (private->event_mask & GDK_STRUCTURE_MASK) { GdkEvent event; event.any.type = GDK_MAP; event.any.window = window; gdk_event_put (&event); } } /* Get current mouse window */ GdkWindow * _gdk_quartz_events_get_mouse_window (gboolean consider_grabs) { if (!consider_grabs) return current_mouse_window; if (_gdk_display->pointer_grab.window && !_gdk_display->pointer_grab.owner_events) return _gdk_display->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; #ifdef G_ENABLE_DEBUG if (_gdk_debug_flags & GDK_DEBUG_EVENTS) _gdk_quartz_window_debug_highlight (window, 0); #endif /* G_ENABLE_DEBUG */ 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; } GDK_QUARTZ_ALLOC_POOL; if (!nscursor) nscursor = [NSCursor arrowCursor]; if ([NSCursor currentCursor] != nscursor) [nscursor set]; GDK_QUARTZ_RELEASE_POOL; } /* 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); } /* Trigger crossing events if necessary. This is used when showing a new * window, since the tracking rect API doesn't work reliably when a window * shows up under the mouse cursor. It's done by finding the topmost window * under the mouse pointer and synthesizing crossing events into that * window. */ void _gdk_quartz_events_trigger_crossing_events (gboolean defer_to_mainloop) { NSPoint point; gint x, y; gint x_toplevel, y_toplevel; GdkWindow *mouse_window; GdkWindow *toplevel; GdkWindowImplQuartz *impl; GdkWindowObject *private; guint flags = 0; NSTimeInterval timestamp = 0; NSEvent *current_event; NSEvent *nsevent; if (defer_to_mainloop) { nsevent = [NSEvent otherEventWithType:NSApplicationDefined location:NSZeroPoint modifierFlags:0 timestamp:0 windowNumber:0 context:nil subtype:GDK_QUARTZ_EVENT_SUBTYPE_FAKE_CROSSING data1:0 data2:0]; [NSApp postEvent:nsevent atStart:NO]; return; } point = [NSEvent mouseLocation]; x = point.x; y = _gdk_quartz_window_get_inverted_screen_y (point.y); mouse_window = _gdk_quartz_window_find_child (_gdk_root, x, y); if (!mouse_window || mouse_window == _gdk_root) return; toplevel = gdk_window_get_toplevel (mouse_window); /* We ignore crossing within the same toplevel since that is already * handled elsewhere. */ if (toplevel == gdk_window_get_toplevel (current_mouse_window)) return; get_converted_window_coordinates (_gdk_root, x, y, toplevel, &x_toplevel, &y_toplevel); get_converted_window_coordinates (_gdk_root, x, y, mouse_window, &x, &y); /* Fix up the event to be less fake if possible. */ current_event = [NSApp currentEvent]; if (current_event) { flags = [current_event modifierFlags]; timestamp = [current_event timestamp]; } if (timestamp == 0) timestamp = GetCurrentEventTime (); impl = GDK_WINDOW_IMPL_QUARTZ (GDK_WINDOW_OBJECT (toplevel)->impl); private = GDK_WINDOW_OBJECT (toplevel); nsevent = [NSEvent otherEventWithType:NSApplicationDefined location:NSMakePoint (x_toplevel, private->height - y_toplevel) modifierFlags:flags timestamp:timestamp windowNumber:[impl->toplevel windowNumber] context:nil subtype:GDK_QUARTZ_EVENT_SUBTYPE_FAKE_CROSSING data1:0 data2:0]; #ifdef G_ENABLE_DEBUG /*_gdk_quartz_window_debug_highlight (mouse_window, 0);*/ #endif /* FIXME: create an event, fill it, put on the queue... */ } /* 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, gint *x_root, gint *y_root) { GdkWindow *toplevel; GdkWindowObject *private; GdkWindowImplQuartz *impl; NSPoint point; NSPoint base; NSEventType event_type; toplevel = [(GdkQuartzView *)[[nsevent window] contentView] gdkWindow]; private = GDK_WINDOW_OBJECT (toplevel); impl = GDK_WINDOW_IMPL_QUARTZ (private->impl); point = [nsevent locationInWindow]; base = [[nsevent window] convertBaseToScreen:point]; *x = point.x; *y = private->height - point.y; *x_root = base.x; *y_root = _gdk_quartz_window_get_inverted_screen_y (base.y); 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: { GdkDisplay *display; display = gdk_drawable_get_display (toplevel); /* 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 (display->pointer_grab.window) { if (display->pointer_grab.owner_events) return toplevel; /* Finally check the grab window. */ if (display->pointer_grab.event_mask & get_event_mask_from_ns_event (nsevent)) { GdkWindow *grab_toplevel; NSPoint point; int x_tmp, y_tmp; grab_toplevel = gdk_window_get_toplevel (display->pointer_grab.window); point = [nsevent locationInWindow]; x_tmp = point.x; y_tmp = GDK_WINDOW_OBJECT (grab_toplevel)->height - point.y; /* FIXME: Would be better and easier to use cocoa to convert. */ /* 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 (toplevel, x_tmp, y_tmp, grab_toplevel, x, y); return grab_toplevel; } return NULL; } else { /* The non-grabbed case. */ /* Leave events above the window (e.g. possibly on the titlebar) * to cocoa. */ if (*y < 0) return NULL; /* FIXME: Also need to leave resize events to cocoa somehow? */ return toplevel; } } break; case NSMouseEntered: case NSMouseExited: return toplevel; case NSKeyDown: case NSKeyUp: case NSFlagsChanged: { if (_gdk_display->keyboard_grab.window && !_gdk_display->keyboard_grab.owner_events) return gdk_window_get_toplevel (_gdk_display->keyboard_grab.window); return toplevel; } break; default: /* Ignore everything else. */ break; } return NULL; } static void fill_crossing_event (GdkWindow *toplevel, GdkEvent *event, NSEvent *nsevent, gint x, gint y, gint x_root, gint y_root, GdkEventType event_type, GdkCrossingMode mode, GdkNotifyType detail) { GdkWindowObject *private; NSPoint point; private = GDK_WINDOW_OBJECT (toplevel); point = [nsevent locationInWindow]; event->any.type = event_type; event->crossing.window = toplevel; event->crossing.subwindow = NULL; event->crossing.time = get_time_from_ns_event (nsevent); event->crossing.x = x; event->crossing.y = y; event->crossing.x_root = x_root; event->crossing.y_root = 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? */ } static void fill_button_event (GdkWindow *window, GdkEvent *event, NSEvent *nsevent, gint x, gint y, gint x_root, gint y_root) { 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->any.type = type; event->button.window = window; event->button.time = get_time_from_ns_event (nsevent); event->button.x = x; event->button.y = y; event->button.x_root = x_root; event->button.y_root = y_root; /* FIXME event->axes */ event->button.state = state; event->button.button = button; event->button.device = _gdk_display->core_pointer; } static void fill_motion_event (GdkWindow *window, GdkEvent *event, NSEvent *nsevent, gint x, gint y, gint x_root, gint y_root) { GdkModifierType state; state = get_keyboard_modifiers_from_ns_event (nsevent); switch ([nsevent type]) { case NSLeftMouseDragged: case NSRightMouseDragged: case NSOtherMouseDragged: state |= get_mouse_button_modifiers_from_ns_event (nsevent); break; case NSMouseMoved: break; } event->any.type = GDK_MOTION_NOTIFY; event->motion.window = window; event->motion.time = get_time_from_ns_event (nsevent); event->motion.x = x; event->motion.y = y; event->motion.x_root = x_root; event->motion.y_root = y_root; /* FIXME event->axes */ event->motion.state = state; event->motion.is_hint = FALSE; event->motion.device = _gdk_display->core_pointer; } static void fill_scroll_event (GdkWindow *window, GdkEvent *event, NSEvent *nsevent, gint x, gint y, gint x_root, gint y_root, GdkScrollDirection direction) { GdkWindowObject *private; NSPoint point; private = GDK_WINDOW_OBJECT (window); point = [nsevent locationInWindow]; event->any.type = GDK_SCROLL; event->scroll.window = window; event->scroll.time = get_time_from_ns_event (nsevent); event->scroll.x = x; event->scroll.y = y; event->scroll.x_root = x_root; event->scroll.y_root = y_root; event->scroll.state = get_keyboard_modifiers_from_ns_event (nsevent); event->scroll.direction = direction; event->scroll.device = _gdk_display->core_pointer; } static void fill_key_event (GdkWindow *window, GdkEvent *event, NSEvent *nsevent, GdkEventType type) { GdkEventPrivate *priv; gchar buf[7]; gunichar c = 0; priv = (GdkEventPrivate *) event; priv->windowing_data = [nsevent retain]; event->any.type = 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)); } static gboolean synthesize_crossing_event (GdkWindow *window, GdkEvent *event, NSEvent *nsevent, gint x, gint y, gint x_root, gint y_root) { GdkWindowObject *private; private = GDK_WINDOW_OBJECT (window); /* FIXME: had this before csw: _gdk_quartz_events_update_mouse_window (window); if (window && !_gdk_quartz_pointer_grab_window) _gdk_quartz_events_update_cursor (window); */ switch ([nsevent type]) { case NSMouseEntered: { /* Enter events are considered always to be from the root window as * we can't know for sure from what window we enter. */ if (!(private->event_mask & GDK_ENTER_NOTIFY_MASK)) return FALSE; fill_crossing_event (window, event, nsevent, x, y, x_root, y_root, GDK_ENTER_NOTIFY, GDK_CROSSING_NORMAL, GDK_NOTIFY_ANCESTOR); } return TRUE; case NSMouseExited: { /* Exited always is to the root window as far as we are concerned, * since there is no way to reliably get information about what new * window is entered when exiting one. */ if (!(private->event_mask & GDK_LEAVE_NOTIFY_MASK)) return FALSE; /*if (!mouse_window || gdk_window_get_toplevel (mouse_window) == gdk_window_get_toplevel (current_mouse_window)) { mouse_window = _gdk_root; } */ fill_crossing_event (window, event, nsevent, x, y, x_root, y_root, GDK_LEAVE_NOTIFY, GDK_CROSSING_NORMAL, GDK_NOTIFY_ANCESTOR); } return TRUE; default: break; } return FALSE; } GdkEventMask _gdk_quartz_events_get_current_event_mask (void) { return current_event_mask; } #define GDK_ANY_BUTTON_MASK (GDK_BUTTON1_MASK | \ GDK_BUTTON2_MASK | \ GDK_BUTTON3_MASK | \ GDK_BUTTON4_MASK | \ GDK_BUTTON5_MASK) static void button_event_check_implicit_grab (GdkWindow *window, GdkEvent *event, NSEvent *nsevent) { GdkDisplay *display = gdk_drawable_get_display (window); /* track implicit grabs for button presses */ switch (event->type) { case GDK_BUTTON_PRESS: if (!display->pointer_grab.window) { _gdk_display_set_has_pointer_grab (display, window, window, FALSE, gdk_window_get_events (window), 0, /* serial */ event->button.time, TRUE); } break; case GDK_BUTTON_RELEASE: if (display->pointer_grab.window && display->pointer_grab.implicit && (current_button_state & GDK_ANY_BUTTON_MASK & ~(GDK_BUTTON1_MASK << (event->button.button - 1))) == 0) { _gdk_display_unset_has_pointer_grab (display, TRUE, TRUE, event->button.time); } break; default: g_assert_not_reached (); } } static gboolean gdk_event_translate (GdkEvent *event, NSEvent *nsevent) { NSEventType event_type; NSWindow *nswindow; GdkWindow *window; int x, y; int x_root, y_root; gboolean return_val; /* There is no support for real desktop wide grabs, so we break * grabs when the application loses focus (gets deactivated). */ event_type = [nsevent type]; if (event_type == NSAppKitDefined) { if ([nsevent subtype] == NSApplicationDeactivatedEventType) break_all_grabs (get_time_from_ns_event (nsevent)); /* 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 (); */ /* Leave all AppKit events to AppKit. */ return FALSE; } /* Handle our generated "fake" crossing events. */ if (event_type == NSApplicationDefined && [nsevent subtype] == GDK_QUARTZ_EVENT_SUBTYPE_FAKE_CROSSING) { /* FIXME: This needs to actually fill in the event we have... */ _gdk_quartz_events_trigger_crossing_events (FALSE); return FALSE; /* ...and return TRUE instead. */ } /* Keep track of button state, since we don't get that information * for key events. */ switch (event_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; } if (_gdk_default_filters) { /* Apply global filters */ GdkFilterReturn result; result = gdk_event_apply_filters (nsevent, event, _gdk_default_filters); if (result != GDK_FILTER_CONTINUE) { return_val = (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE; goto done; } } 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 (get_time_from_ns_event (nsevent)); return FALSE; } /* 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, &x_root, &y_root); if (!window) return FALSE; /* Apply any window filters. */ if (GDK_IS_WINDOW (window)) { GdkWindowObject *filter_private = (GdkWindowObject *) window; GdkFilterReturn result; if (filter_private->filters) { g_object_ref (window); result = gdk_event_apply_filters (nsevent, event, filter_private->filters); g_object_unref (window); if (result != GDK_FILTER_CONTINUE) { return_val = (result == GDK_FILTER_TRANSLATE) ? TRUE : FALSE; goto done; } } } /* We only activate the application on click if it's not already active, * or if it's active but the window isn't focused. This matches most use * cases of native apps (no click-through). */ if ((event_type == NSRightMouseDown || event_type == NSOtherMouseDown || event_type == NSLeftMouseDown)) { GdkWindowObject *private = (GdkWindowObject *)window; GdkWindowImplQuartz *impl = GDK_WINDOW_IMPL_QUARTZ (private->impl); if (![NSApp isActive]) return FALSE; else if (![impl->toplevel isKeyWindow]) return FALSE; } current_event_mask = get_event_mask_from_ns_event (nsevent); return_val = TRUE; switch (event_type) { case NSLeftMouseDown: case NSRightMouseDown: case NSOtherMouseDown: fill_button_event (window, event, nsevent, x, y, x_root, y_root); button_event_check_implicit_grab (window, event, nsevent); break; case NSLeftMouseUp: case NSRightMouseUp: case NSOtherMouseUp: fill_button_event (window, event, nsevent, x, y, x_root, y_root); button_event_check_implicit_grab (window, event, nsevent); break; case NSLeftMouseDragged: case NSRightMouseDragged: case NSOtherMouseDragged: case NSMouseMoved: fill_motion_event (window, event, nsevent, x, y, x_root, y_root); break; case NSScrollWheel: { float dx = [nsevent deltaX]; float dy = [nsevent deltaY]; GdkScrollDirection direction; if (dy != 0) { if (dy < 0.0) direction = GDK_SCROLL_DOWN; else direction = GDK_SCROLL_UP; fill_scroll_event (window, event, nsevent, x, y, x_root, y_root, direction); } if (dx != 0) { if (dx < 0.0) direction = GDK_SCROLL_RIGHT; else direction = GDK_SCROLL_LEFT; fill_scroll_event (window, event, nsevent, x, y, x_root, y_root, direction); } } break; case NSMouseEntered: case NSMouseExited: return_val = synthesize_crossing_event (window, event, nsevent, x, y, x_root, y_root); break; case NSKeyDown: case NSKeyUp: case NSFlagsChanged: { GdkEventType type; type = _gdk_quartz_keys_event_type (nsevent); if (type == GDK_NOTHING) return_val = FALSE; else fill_key_event (window, event, nsevent, type); } break; default: /* Ignore everything elsee. */ return_val = FALSE; break; } done: if (return_val) { 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); } else { /* Mark this event as having no resources to be freed */ event->any.window = NULL; event->any.type = GDK_NOTHING; } return return_val; } void _gdk_events_queue (GdkDisplay *display) { NSEvent *nsevent; nsevent = _gdk_quartz_event_loop_get_pending (); if (nsevent) { GdkEvent *event; GList *node; event = gdk_event_new (GDK_NOTHING); event->any.window = NULL; event->any.send_event = FALSE; ((GdkEventPrivate *)event)->flags |= GDK_EVENT_PENDING; node = _gdk_event_queue_append (display, event); if (gdk_event_translate (event, nsevent)) { ((GdkEventPrivate *)event)->flags &= ~GDK_EVENT_PENDING; _gdk_windowing_got_event (display, node, event, 0); } else { _gdk_event_queue_remove_link (display, node); g_list_free_1 (node); gdk_event_free (event); GDK_THREADS_LEAVE (); [NSApp sendEvent:nsevent]; GDK_THREADS_ENTER (); } _gdk_quartz_event_loop_release_event (nsevent); } } 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; float t; GDK_QUARTZ_ALLOC_POOL; defaults = [NSUserDefaults standardUserDefaults]; 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; } else if (strcmp (name, "gtk-font-name") == 0) { NSString *name; char *str; GDK_QUARTZ_ALLOC_POOL; name = [[NSFont systemFontOfSize:0] familyName]; /* Let's try to use the "views" font size (12pt) by default. This is * used for lists/text/other "content" which is the largest parts of * apps, using the "regular control" size (13pt) looks a bit out of * place. We might have to tweak this. */ /* The size has to be hardcoded as there doesn't seem to be a way to * get the views font size programmatically. */ str = g_strdup_printf ("%s 12", [name UTF8String]); g_value_set_string (value, str); g_free (str); GDK_QUARTZ_RELEASE_POOL; return TRUE; } /* FIXME: Add more settings */ return FALSE; } void _gdk_windowing_event_data_copy (const GdkEvent *src, GdkEvent *dst) { GdkEventPrivate *priv_src = (GdkEventPrivate *) src; GdkEventPrivate *priv_dst = (GdkEventPrivate *) dst; if (priv_src->windowing_data) { priv_dst->windowing_data = priv_src->windowing_data; [(NSEvent *)priv_dst->windowing_data retain]; } } void _gdk_windowing_event_data_free (GdkEvent *event) { GdkEventPrivate *priv = (GdkEventPrivate *) event; if (priv->windowing_data) { [(NSEvent *)priv->windowing_data release]; priv->windowing_data = NULL; } }