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gtk/gdk/quartz/gdkevents-quartz.c

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/* 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 <sys/types.h>
#include <sys/sysctl.h>
#include <pthread.h>
#include <unistd.h>
#import <Cocoa/Cocoa.h>
#include <Carbon/Carbon.h>
#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;
}
}
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