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gtk/gdk/macos/gdkmacosdisplay.c
Benjamin Otte 23acc993cc gdk: Make sure only one GL backend is used 
Creative people managed to create an X11 display and a Wayland display
at once, thereby getting EGL and GLX involved in a fight to the death
over the ownership of the glFoo() symbolspace.

A way to force such a fight with available tools here is (on Wayland)
running something like:
GTK_INSPECTOR_DISPLAY=:1 GTK_DEBUG=interactive gtk4-demo

Related: xdg-desktop-portal-gnome#5
2021-09-24 01:59:37 +02:00

1173 lines
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/*
* Copyright © 2020 Red Hat, Inc.
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include <AppKit/AppKit.h>
#import "GdkMacosWindow.h"
#include "gdkdisplayprivate.h"
#include "gdkeventsprivate.h"
#include "gdkdisplaylinksource.h"
#include "gdkmacosclipboard-private.h"
#include "gdkmacoscairocontext-private.h"
#include "gdkmacoseventsource-private.h"
#include "gdkmacosdisplay-private.h"
#include "gdkmacosdrag-private.h"
#include "gdkmacosdrop-private.h"
#include "gdkmacosglcontext-private.h"
#include "gdkmacoskeymap-private.h"
#include "gdkmacosmonitor-private.h"
#include "gdkmacosseat-private.h"
#include "gdkmacossurface-private.h"
#include "gdkmacosutils-private.h"
G_DEFINE_TYPE (GdkMacosDisplay, gdk_macos_display, GDK_TYPE_DISPLAY)
#define EVENT_MAP_MAX_SIZE 10
typedef struct
{
GList link;
GdkEvent *gdk_event;
NSEvent *nsevent;
} GdkToNSEventMap;
static GSource *event_source;
static GQueue event_map = G_QUEUE_INIT;
static GdkMacosMonitor *
get_monitor (GdkMacosDisplay *self,
guint position)
{
GdkMacosMonitor *monitor;
g_assert (GDK_IS_MACOS_DISPLAY (self));
/* Get the monitor but return a borrowed reference */
monitor = g_list_model_get_item (G_LIST_MODEL (self->monitors), position);
if (monitor != NULL)
g_object_unref (monitor);
return monitor;
}
static gboolean
gdk_macos_display_get_setting (GdkDisplay *display,
const char *setting,
GValue *value)
{
return _gdk_macos_display_get_setting (GDK_MACOS_DISPLAY (display), setting, value);
}
static GListModel *
gdk_macos_display_get_monitors (GdkDisplay *display)
{
return G_LIST_MODEL (GDK_MACOS_DISPLAY (display)->monitors);
}
static GdkMonitor *
gdk_macos_display_get_monitor_at_surface (GdkDisplay *display,
GdkSurface *surface)
{
GdkMacosDisplay *self = (GdkMacosDisplay *)display;
CGDirectDisplayID screen_id;
guint n_monitors;
g_assert (GDK_IS_MACOS_DISPLAY (self));
g_assert (GDK_IS_MACOS_SURFACE (surface));
screen_id = _gdk_macos_surface_get_screen_id (GDK_MACOS_SURFACE (surface));
n_monitors = g_list_model_get_n_items (G_LIST_MODEL (self->monitors));
for (guint i = 0; i < n_monitors; i++)
{
GdkMacosMonitor *monitor = get_monitor (self, i);
if (screen_id == _gdk_macos_monitor_get_screen_id (monitor))
return GDK_MONITOR (monitor);
}
return GDK_MONITOR (get_monitor (self, 0));
}
static GdkMacosMonitor *
gdk_macos_display_find_monitor (GdkMacosDisplay *self,
CGDirectDisplayID screen_id)
{
guint n_monitors;
g_assert (GDK_IS_MACOS_DISPLAY (self));
n_monitors = g_list_model_get_n_items (G_LIST_MODEL (self->monitors));
for (guint i = 0; i < n_monitors; i++)
{
GdkMacosMonitor *monitor = get_monitor (self, i);
if (screen_id == _gdk_macos_monitor_get_screen_id (monitor))
return monitor;
}
return NULL;
}
static void
gdk_macos_display_update_bounds (GdkMacosDisplay *self)
{
GDK_BEGIN_MACOS_ALLOC_POOL;
g_assert (GDK_IS_MACOS_DISPLAY (self));
self->min_x = G_MAXINT;
self->min_y = G_MAXINT;
self->max_x = G_MININT;
self->max_y = G_MININT;
for (id obj in [NSScreen screens])
{
NSRect geom = [(NSScreen *)obj frame];
self->min_x = MIN (self->min_x, geom.origin.x);
self->min_y = MIN (self->min_y, geom.origin.y);
self->max_x = MAX (self->max_x, geom.origin.x + geom.size.width);
self->max_y = MAX (self->max_y, geom.origin.y + geom.size.height);
}
self->width = self->max_x - self->min_x;
self->height = self->max_y - self->min_y;
GDK_END_MACOS_ALLOC_POOL;
}
static void
gdk_macos_display_monitors_changed_cb (CFNotificationCenterRef center,
void *observer,
CFStringRef name,
const void *object,
CFDictionaryRef userInfo)
{
GdkMacosDisplay *self = observer;
g_assert (GDK_IS_MACOS_DISPLAY (self));
_gdk_macos_display_reload_monitors (self);
/* Now we need to update all our surface positions since they
* probably just changed origins. We ignore the popup surfaces
* since we can rely on the toplevel surfaces to handle that.
*/
for (const GList *iter = _gdk_macos_display_get_surfaces (self);
iter != NULL;
iter = iter->next)
{
GdkMacosSurface *surface = iter->data;
g_assert (GDK_IS_MACOS_SURFACE (surface));
if (GDK_IS_TOPLEVEL (surface))
_gdk_macos_surface_update_position (surface);
}
}
static void
gdk_macos_display_user_defaults_changed_cb (CFNotificationCenterRef center,
void *observer,
CFStringRef name,
const void *object,
CFDictionaryRef userInfo)
{
GdkMacosDisplay *self = observer;
g_assert (GDK_IS_MACOS_DISPLAY (self));
_gdk_macos_display_reload_settings (self);
}
void
_gdk_macos_display_reload_monitors (GdkMacosDisplay *self)
{
GDK_BEGIN_MACOS_ALLOC_POOL;
GArray *seen;
guint n_monitors;
g_assert (GDK_IS_MACOS_DISPLAY (self));
gdk_macos_display_update_bounds (self);
seen = g_array_new (FALSE, FALSE, sizeof (CGDirectDisplayID));
for (id obj in [NSScreen screens])
{
CGDirectDisplayID screen_id;
GdkMacosMonitor *monitor;
screen_id = [[[obj deviceDescription] objectForKey:@"NSScreenNumber"] unsignedIntValue];
g_array_append_val (seen, screen_id);
if ((monitor = gdk_macos_display_find_monitor (self, screen_id)))
{
_gdk_macos_monitor_reconfigure (monitor);
}
else
{
monitor = _gdk_macos_monitor_new (self, screen_id);
g_list_store_append (self->monitors, monitor);
g_object_unref (monitor);
}
}
n_monitors = g_list_model_get_n_items (G_LIST_MODEL (self->monitors));
for (guint i = n_monitors; i > 0; i--)
{
GdkMacosMonitor *monitor = get_monitor (self, i - 1);
CGDirectDisplayID screen_id = _gdk_macos_monitor_get_screen_id (monitor);
gboolean found = FALSE;
for (guint j = 0; j < seen->len; j++)
{
if (screen_id == g_array_index (seen, CGDirectDisplayID, j))
{
found = TRUE;
break;
}
}
if (!found)
g_list_store_remove (self->monitors, i - 1);
}
g_array_unref (seen);
GDK_END_MACOS_ALLOC_POOL;
}
static void
gdk_macos_display_load_seat (GdkMacosDisplay *self)
{
GdkSeat *seat;
g_assert (GDK_IS_MACOS_DISPLAY (self));
seat = _gdk_macos_seat_new (self);
gdk_display_add_seat (GDK_DISPLAY (self), seat);
g_object_unref (seat);
}
static gboolean
gdk_macos_display_frame_cb (gpointer data)
{
GdkMacosDisplay *self = data;
GdkDisplayLinkSource *source;
gint64 presentation_time;
gint64 now;
GList *iter;
g_assert (GDK_IS_MACOS_DISPLAY (self));
source = (GdkDisplayLinkSource *)self->frame_source;
presentation_time = source->presentation_time;
now = g_source_get_time ((GSource *)source);
iter = self->awaiting_frames.head;
while (iter != NULL)
{
GdkMacosSurface *surface = iter->data;
g_assert (GDK_IS_MACOS_SURFACE (surface));
iter = iter->next;
_gdk_macos_display_remove_frame_callback (self, surface);
_gdk_macos_surface_thaw (surface,
source->presentation_time,
source->refresh_interval);
}
return G_SOURCE_CONTINUE;
}
static void
gdk_macos_display_load_display_link (GdkMacosDisplay *self)
{
self->frame_source = gdk_display_link_source_new ();
g_source_set_callback (self->frame_source,
gdk_macos_display_frame_cb,
self,
NULL);
g_source_attach (self->frame_source, NULL);
}
static const char *
gdk_macos_display_get_name (GdkDisplay *display)
{
return GDK_MACOS_DISPLAY (display)->name;
}
static void
gdk_macos_display_beep (GdkDisplay *display)
{
NSBeep ();
}
static void
gdk_macos_display_flush (GdkDisplay *display)
{
/* Not Supported */
}
static void
gdk_macos_display_sync (GdkDisplay *display)
{
/* Not Supported */
}
static gulong
gdk_macos_display_get_next_serial (GdkDisplay *display)
{
static gulong serial = 0;
return ++serial;
}
static gboolean
gdk_macos_display_has_pending (GdkDisplay *display)
{
return _gdk_event_queue_find_first (display) ||
_gdk_macos_event_source_check_pending ();
}
static void
gdk_macos_display_notify_startup_complete (GdkDisplay *display,
const char *startup_notification_id)
{
/* Not Supported */
}
static void
push_nsevent (GdkEvent *gdk_event,
NSEvent *nsevent)
{
GdkToNSEventMap *map = g_slice_new0 (GdkToNSEventMap);
map->link.data = map;
map->gdk_event = gdk_event_ref (gdk_event);
map->nsevent = g_steal_pointer (&nsevent);
g_queue_push_tail_link (&event_map, &map->link);
if (event_map.length > EVENT_MAP_MAX_SIZE)
{
map = g_queue_pop_head_link (&event_map)->data;
gdk_event_unref (map->gdk_event);
[map->nsevent release];
g_slice_free (GdkToNSEventMap, map);
}
}
static void
gdk_macos_display_queue_events (GdkDisplay *display)
{
GdkMacosDisplay *self = (GdkMacosDisplay *)display;
NSEvent *nsevent;
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
if ((nsevent = _gdk_macos_event_source_get_pending ()))
{
GdkEvent *event = _gdk_macos_display_translate (self, nsevent);
if (event != NULL)
{
push_nsevent (event, nsevent);
_gdk_windowing_got_event (GDK_DISPLAY (self),
_gdk_event_queue_append (GDK_DISPLAY (self), event),
event,
_gdk_display_get_next_serial (GDK_DISPLAY (self)));
}
else
{
[NSApp sendEvent:nsevent];
[nsevent release];
}
}
}
static void
_gdk_macos_display_surface_added (GdkMacosDisplay *self,
GdkMacosSurface *surface)
{
g_assert (GDK_IS_MACOS_DISPLAY (self));
g_assert (GDK_IS_MACOS_SURFACE (surface));
g_assert (!queue_contains (&self->sorted_surfaces, &surface->sorted));
g_assert (!queue_contains (&self->main_surfaces, &surface->main));
g_assert (!queue_contains (&self->awaiting_frames, &surface->frame));
g_assert (surface->sorted.data == surface);
g_assert (surface->main.data == surface);
g_assert (surface->frame.data == surface);
if (GDK_IS_TOPLEVEL (surface))
g_queue_push_tail_link (&self->main_surfaces, &surface->main);
_gdk_macos_display_clear_sorting (self);
}
void
_gdk_macos_display_surface_removed (GdkMacosDisplay *self,
GdkMacosSurface *surface)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
g_return_if_fail (GDK_IS_MACOS_SURFACE (surface));
if (self->keyboard_surface == surface)
_gdk_macos_display_surface_resigned_key (self, surface);
if (queue_contains (&self->sorted_surfaces, &surface->sorted))
g_queue_unlink (&self->sorted_surfaces, &surface->sorted);
if (queue_contains (&self->main_surfaces, &surface->main))
_gdk_macos_display_surface_resigned_main (self, surface);
if (queue_contains (&self->awaiting_frames, &surface->frame))
g_queue_unlink (&self->awaiting_frames, &surface->frame);
g_return_if_fail (self->keyboard_surface != surface);
}
void
_gdk_macos_display_surface_became_key (GdkMacosDisplay *self,
GdkMacosSurface *surface)
{
GdkDevice *keyboard;
GdkEvent *event;
GdkSeat *seat;
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
g_return_if_fail (GDK_IS_MACOS_SURFACE (surface));
g_return_if_fail (self->keyboard_surface == NULL);
self->keyboard_surface = surface;
seat = gdk_display_get_default_seat (GDK_DISPLAY (self));
keyboard = gdk_seat_get_keyboard (seat);
event = gdk_focus_event_new (GDK_SURFACE (surface), keyboard, TRUE);
_gdk_event_queue_append (GDK_DISPLAY (self), event);
/* We just became the active window. Unlike X11, Mac OS X does
* not send us motion events while the window does not have focus
* ("is not key"). We send a dummy motion notify event now, so that
* everything in the window is set to correct state.
*/
gdk_surface_request_motion (GDK_SURFACE (surface));
}
void
_gdk_macos_display_surface_resigned_key (GdkMacosDisplay *self,
GdkMacosSurface *surface)
{
gboolean was_keyboard_surface;
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
g_return_if_fail (GDK_IS_MACOS_SURFACE (surface));
was_keyboard_surface = self->keyboard_surface == surface;
self->keyboard_surface = NULL;
if (was_keyboard_surface)
{
GdkDevice *keyboard;
GdkEvent *event;
GdkSeat *seat;
GList *node;
seat = gdk_display_get_default_seat (GDK_DISPLAY (self));
keyboard = gdk_seat_get_keyboard (seat);
event = gdk_focus_event_new (GDK_SURFACE (surface), keyboard, FALSE);
node = _gdk_event_queue_append (GDK_DISPLAY (self), event);
_gdk_windowing_got_event (GDK_DISPLAY (self), node, event,
_gdk_display_get_next_serial (GDK_DISPLAY (self)));
}
_gdk_macos_display_clear_sorting (self);
}
/* Raises a transient window.
*/
static void
raise_transient (GdkMacosSurface *surface)
{
GdkMacosSurface *parent_surface = GDK_MACOS_SURFACE (GDK_SURFACE (surface)->transient_for);
NSWindow *parent = _gdk_macos_surface_get_native (parent_surface);
NSWindow *window = _gdk_macos_surface_get_native (surface);
[parent removeChildWindow:window];
[parent addChildWindow:window ordered:NSWindowAbove];
}
void
_gdk_macos_display_surface_became_main (GdkMacosDisplay *self,
GdkMacosSurface *surface)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
g_return_if_fail (GDK_IS_MACOS_SURFACE (surface));
if (queue_contains (&self->main_surfaces, &surface->main))
g_queue_unlink (&self->main_surfaces, &surface->main);
g_queue_push_head_link (&self->main_surfaces, &surface->main);
if (GDK_SURFACE (surface)->transient_for)
raise_transient (surface);
_gdk_macos_display_clear_sorting (self);
}
void
_gdk_macos_display_surface_resigned_main (GdkMacosDisplay *self,
GdkMacosSurface *surface)
{
GdkMacosSurface *new_surface = NULL;
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
g_return_if_fail (GDK_IS_MACOS_SURFACE (surface));
if (queue_contains (&self->main_surfaces, &surface->main))
g_queue_unlink (&self->main_surfaces, &surface->main);
_gdk_macos_display_clear_sorting (self);
if (GDK_SURFACE (surface)->transient_for &&
gdk_surface_get_mapped (GDK_SURFACE (surface)->transient_for))
{
new_surface = GDK_MACOS_SURFACE (GDK_SURFACE (surface)->transient_for);
}
else
{
const GList *surfaces = _gdk_macos_display_get_surfaces (self);
for (const GList *iter = surfaces; iter; iter = iter->next)
{
GdkMacosSurface *item = iter->data;
g_assert (GDK_IS_MACOS_SURFACE (item));
if (item == surface)
continue;
if (GDK_SURFACE_IS_MAPPED (GDK_SURFACE (item)))
{
new_surface = item;
break;
}
}
}
if (new_surface != NULL)
{
NSWindow *nswindow = _gdk_macos_surface_get_native (new_surface);
[nswindow makeKeyAndOrderFront:nswindow];
}
_gdk_macos_display_clear_sorting (self);
}
static GdkSurface *
gdk_macos_display_create_surface (GdkDisplay *display,
GdkSurfaceType surface_type,
GdkSurface *parent,
int x,
int y,
int width,
int height)
{
GdkMacosDisplay *self = (GdkMacosDisplay *)display;
GdkMacosSurface *surface;
g_assert (GDK_IS_MACOS_DISPLAY (self));
g_assert (!parent || GDK_IS_MACOS_SURFACE (parent));
surface = _gdk_macos_surface_new (self, surface_type, parent, x, y, width, height);
if (surface != NULL)
_gdk_macos_display_surface_added (self, surface);
return GDK_SURFACE (surface);
}
static GdkKeymap *
gdk_macos_display_get_keymap (GdkDisplay *display)
{
GdkMacosDisplay *self = (GdkMacosDisplay *)display;
g_assert (GDK_IS_MACOS_DISPLAY (self));
return GDK_KEYMAP (self->keymap);
}
static void
gdk_macos_display_load_clipboard (GdkMacosDisplay *self)
{
g_assert (GDK_IS_MACOS_DISPLAY (self));
GDK_DISPLAY (self)->clipboard = _gdk_macos_clipboard_new (self);
}
static GdkGLContext *
gdk_macos_display_init_gl (GdkDisplay *display,
GError **error)
{
if (!gdk_gl_backend_can_be_used (GDK_GL_CGL, error))
return FALSE;
return g_object_new (GDK_TYPE_MACOS_GL_CONTEXT,
"display", display,
NULL);
}
static void
gdk_macos_display_finalize (GObject *object)
{
GdkMacosDisplay *self = (GdkMacosDisplay *)object;
CFNotificationCenterRemoveObserver (CFNotificationCenterGetDistributedCenter (),
self,
CFSTR ("NSApplicationDidChangeScreenParametersNotification"),
NULL);
CFNotificationCenterRemoveObserver (CFNotificationCenterGetDistributedCenter (),
self,
CFSTR ("NSUserDefaultsDidChangeNotification"),
NULL);
g_clear_pointer (&self->active_drags, g_hash_table_unref);
g_clear_pointer (&self->active_drops, g_hash_table_unref);
g_clear_object (&GDK_DISPLAY (self)->clipboard);
g_clear_pointer (&self->frame_source, g_source_unref);
g_clear_object (&self->monitors);
g_clear_pointer (&self->name, g_free);
G_OBJECT_CLASS (gdk_macos_display_parent_class)->finalize (object);
}
static void
gdk_macos_display_class_init (GdkMacosDisplayClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkDisplayClass *display_class = GDK_DISPLAY_CLASS (klass);
object_class->finalize = gdk_macos_display_finalize;
display_class->cairo_context_type = GDK_TYPE_MACOS_CAIRO_CONTEXT;
display_class->beep = gdk_macos_display_beep;
display_class->create_surface = gdk_macos_display_create_surface;
display_class->flush = gdk_macos_display_flush;
display_class->get_keymap = gdk_macos_display_get_keymap;
display_class->get_monitors = gdk_macos_display_get_monitors;
display_class->get_monitor_at_surface = gdk_macos_display_get_monitor_at_surface;
display_class->get_next_serial = gdk_macos_display_get_next_serial;
display_class->get_name = gdk_macos_display_get_name;
display_class->get_setting = gdk_macos_display_get_setting;
display_class->has_pending = gdk_macos_display_has_pending;
display_class->init_gl = gdk_macos_display_init_gl;
display_class->notify_startup_complete = gdk_macos_display_notify_startup_complete;
display_class->queue_events = gdk_macos_display_queue_events;
display_class->sync = gdk_macos_display_sync;
}
static void
gdk_macos_display_init (GdkMacosDisplay *self)
{
self->monitors = g_list_store_new (GDK_TYPE_MONITOR);
self->active_drags = g_hash_table_new_full (NULL, NULL, NULL, g_object_unref);
self->active_drops = g_hash_table_new_full (NULL, NULL, NULL, g_object_unref);
gdk_display_set_composited (GDK_DISPLAY (self), TRUE);
gdk_display_set_input_shapes (GDK_DISPLAY (self), FALSE);
gdk_display_set_rgba (GDK_DISPLAY (self), TRUE);
}
GdkDisplay *
_gdk_macos_display_open (const char *display_name)
{
static GdkMacosDisplay *self;
ProcessSerialNumber psn = { 0, kCurrentProcess };
/* Until we can have multiple GdkMacosEventSource instances
* running concurrently, we can't exactly support multiple
* display connections. So just short-circuit if we already
* have one active.
*/
if (self != NULL)
return NULL;
GDK_NOTE (MISC, g_message ("opening display %s", display_name ? display_name : ""));
/* Make the current process a foreground application, i.e. an app
* with a user interface, in case we're not running from a .app bundle
*/
TransformProcessType (&psn, kProcessTransformToForegroundApplication);
[NSApplication sharedApplication];
self = g_object_new (GDK_TYPE_MACOS_DISPLAY, NULL);
self->name = g_strdup (display_name);
self->keymap = _gdk_macos_keymap_new (self);
gdk_macos_display_load_seat (self);
gdk_macos_display_load_clipboard (self);
/* Load CVDisplayLink before monitors to access refresh rates */
gdk_macos_display_load_display_link (self);
_gdk_macos_display_reload_monitors (self);
CFNotificationCenterAddObserver (CFNotificationCenterGetLocalCenter (),
self,
gdk_macos_display_monitors_changed_cb,
CFSTR ("NSApplicationDidChangeScreenParametersNotification"),
NULL,
CFNotificationSuspensionBehaviorDeliverImmediately);
CFNotificationCenterAddObserver (CFNotificationCenterGetDistributedCenter (),
self,
gdk_macos_display_user_defaults_changed_cb,
CFSTR ("NSUserDefaultsDidChangeNotification"),
NULL,
CFNotificationSuspensionBehaviorDeliverImmediately);
if (event_source == NULL)
{
event_source = _gdk_macos_event_source_new (self);
g_source_attach (event_source, NULL);
}
g_object_add_weak_pointer (G_OBJECT (self), (gpointer *)&self);
gdk_display_emit_opened (GDK_DISPLAY (self));
return GDK_DISPLAY (self);
}
void
_gdk_macos_display_to_display_coords (GdkMacosDisplay *self,
int x,
int y,
int *out_x,
int *out_y)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
if (out_y)
*out_y = self->height - y + self->min_y;
if (out_x)
*out_x = x + self->min_x;
}
void
_gdk_macos_display_from_display_coords (GdkMacosDisplay *self,
int x,
int y,
int *out_x,
int *out_y)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
if (out_y != NULL)
*out_y = self->height - y + self->min_y;
if (out_x != NULL)
*out_x = x - self->min_x;
}
GdkMonitor *
_gdk_macos_display_get_monitor_at_coords (GdkMacosDisplay *self,
int x,
int y)
{
guint n_monitors;
g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (self), NULL);
n_monitors = g_list_model_get_n_items (G_LIST_MODEL (self->monitors));
for (guint i = 0; i < n_monitors; i++)
{
GdkMacosMonitor *monitor = get_monitor (self, i);
if (gdk_rectangle_contains_point (&GDK_MONITOR (monitor)->geometry, x, y))
return GDK_MONITOR (monitor);
}
return NULL;
}
GdkMonitor *
_gdk_macos_display_get_monitor_at_display_coords (GdkMacosDisplay *self,
int x,
int y)
{
g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (self), NULL);
_gdk_macos_display_from_display_coords (self, x, y, &x, &y);
return _gdk_macos_display_get_monitor_at_coords (self, x, y);
}
NSScreen *
_gdk_macos_display_get_screen_at_display_coords (GdkMacosDisplay *self,
int x,
int y)
{
GDK_BEGIN_MACOS_ALLOC_POOL;
NSArray *screens;
NSScreen *screen = NULL;
g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (self), NULL);
screens = [NSScreen screens];
for (id obj in screens)
{
NSRect geom = [obj frame];
if (x >= geom.origin.x && x <= geom.origin.x + geom.size.width &&
y >= geom.origin.y && y <= geom.origin.y + geom.size.height)
{
screen = obj;
break;
}
}
GDK_END_MACOS_ALLOC_POOL;
return screen;
}
void
_gdk_macos_display_break_all_grabs (GdkMacosDisplay *self,
guint32 time)
{
GdkDevice *devices[2];
GdkSeat *seat;
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
seat = gdk_display_get_default_seat (GDK_DISPLAY (self));
devices[0] = gdk_seat_get_keyboard (seat);
devices[1] = gdk_seat_get_pointer (seat);
for (guint i = 0; i < G_N_ELEMENTS (devices); i++)
{
GdkDevice *device = devices[i];
GdkDeviceGrabInfo *grab;
grab = _gdk_display_get_last_device_grab (GDK_DISPLAY (self), device);
if (grab != NULL)
{
GdkEvent *event;
GList *node;
event = gdk_grab_broken_event_new (grab->surface,
device,
grab->surface,
TRUE);
node = _gdk_event_queue_append (GDK_DISPLAY (self), event);
_gdk_windowing_got_event (GDK_DISPLAY (self), node, event,
_gdk_display_get_next_serial (GDK_DISPLAY (self)));
}
}
}
void
_gdk_macos_display_queue_events (GdkMacosDisplay *self)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
gdk_macos_display_queue_events (GDK_DISPLAY (self));
}
static GdkMacosSurface *
_gdk_macos_display_get_surface_at_coords (GdkMacosDisplay *self,
int x,
int y,
int *surface_x,
int *surface_y)
{
const GList *surfaces;
g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (self), NULL);
g_return_val_if_fail (surface_x != NULL, NULL);
g_return_val_if_fail (surface_y != NULL, NULL);
surfaces = _gdk_macos_display_get_surfaces (self);
for (const GList *iter = surfaces; iter; iter = iter->next)
{
GdkSurface *surface = iter->data;
NSWindow *nswindow;
g_assert (GDK_IS_MACOS_SURFACE (surface));
if (!gdk_surface_get_mapped (surface))
continue;
nswindow = _gdk_macos_surface_get_native (GDK_MACOS_SURFACE (surface));
if (x >= GDK_MACOS_SURFACE (surface)->root_x &&
y >= GDK_MACOS_SURFACE (surface)->root_y &&
x <= (GDK_MACOS_SURFACE (surface)->root_x + surface->width) &&
y <= (GDK_MACOS_SURFACE (surface)->root_y + surface->height))
{
*surface_x = x - GDK_MACOS_SURFACE (surface)->root_x;
*surface_y = y - GDK_MACOS_SURFACE (surface)->root_y;
return GDK_MACOS_SURFACE (surface);
}
}
*surface_x = 0;
*surface_y = 0;
return NULL;
}
GdkMacosSurface *
_gdk_macos_display_get_surface_at_display_coords (GdkMacosDisplay *self,
double x,
double y,
int *surface_x,
int *surface_y)
{
int x_gdk;
int y_gdk;
g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (self), NULL);
g_return_val_if_fail (surface_x != NULL, NULL);
g_return_val_if_fail (surface_y != NULL, NULL);
_gdk_macos_display_from_display_coords (self, x, y, &x_gdk, &y_gdk);
return _gdk_macos_display_get_surface_at_coords (self, x_gdk, y_gdk, surface_x, surface_y);
}
void
_gdk_macos_display_add_frame_callback (GdkMacosDisplay *self,
GdkMacosSurface *surface)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
g_return_if_fail (GDK_IS_MACOS_SURFACE (surface));
if (!queue_contains (&self->awaiting_frames, &surface->frame))
{
g_queue_push_tail_link (&self->awaiting_frames, &surface->frame);
if (self->awaiting_frames.length == 1)
gdk_display_link_source_unpause ((GdkDisplayLinkSource *)self->frame_source);
}
}
void
_gdk_macos_display_remove_frame_callback (GdkMacosDisplay *self,
GdkMacosSurface *surface)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
g_return_if_fail (GDK_IS_MACOS_SURFACE (surface));
if (queue_contains (&self->awaiting_frames, &surface->frame))
{
g_queue_unlink (&self->awaiting_frames, &surface->frame);
if (self->awaiting_frames.length == 0)
gdk_display_link_source_pause ((GdkDisplayLinkSource *)self->frame_source);
}
}
NSWindow *
_gdk_macos_display_find_native_under_pointer (GdkMacosDisplay *self,
int *x,
int *y)
{
GdkMacosSurface *surface;
NSPoint point;
g_assert (GDK_IS_MACOS_DISPLAY (self));
point = [NSEvent mouseLocation];
surface = _gdk_macos_display_get_surface_at_display_coords (self, point.x, point.y, x, y);
if (surface != NULL)
return _gdk_macos_surface_get_native (surface);
return NULL;
}
int
_gdk_macos_display_get_nominal_refresh_rate (GdkMacosDisplay *self)
{
g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (self), 60 * 1000);
if (self->frame_source == NULL)
return 60 * 1000;
return ((GdkDisplayLinkSource *)self->frame_source)->refresh_rate;
}
void
_gdk_macos_display_clear_sorting (GdkMacosDisplay *self)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
while (self->sorted_surfaces.head != NULL)
g_queue_unlink (&self->sorted_surfaces, self->sorted_surfaces.head);
}
const GList *
_gdk_macos_display_get_surfaces (GdkMacosDisplay *self)
{
g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (self), NULL);
if (self->sorted_surfaces.length == 0)
{
GDK_BEGIN_MACOS_ALLOC_POOL;
NSArray *array = [NSApp orderedWindows];
GQueue sorted = G_QUEUE_INIT;
for (id obj in array)
{
NSWindow *nswindow = (NSWindow *)obj;
GdkMacosSurface *surface;
if (!GDK_IS_MACOS_WINDOW (nswindow))
continue;
surface = [(GdkMacosWindow *)nswindow gdkSurface];
surface->sorted.prev = NULL;
surface->sorted.next = NULL;
g_queue_push_tail_link (&sorted, &surface->sorted);
}
self->sorted_surfaces = sorted;
/* We don't get notification of clipboard changes from the system so we
* instead update it every time the foreground changes (and thusly
* rebuild the sorted list). Things could change other ways, such as
* with scripts, but that is currently out of scope for us.
*/
_gdk_macos_clipboard_check_externally_modified (
GDK_MACOS_CLIPBOARD (GDK_DISPLAY (self)->clipboard));
GDK_END_MACOS_ALLOC_POOL;
}
return self->sorted_surfaces.head;
}
void
_gdk_macos_display_warp_pointer (GdkMacosDisplay *self,
int x,
int y)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
_gdk_macos_display_to_display_coords (self, x, y, &x, &y);
CGWarpMouseCursorPosition ((CGPoint) { x, y });
}
NSEvent *
_gdk_macos_display_get_nsevent (GdkEvent *event)
{
for (const GList *iter = event_map.head; iter; iter = iter->next)
{
const GdkToNSEventMap *map = iter->data;
if (map->gdk_event == event)
return map->nsevent;
}
return NULL;
}
GdkDrag *
_gdk_macos_display_find_drag (GdkMacosDisplay *self,
NSInteger sequence_number)
{
g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (self), NULL);
return g_hash_table_lookup (self->active_drags, GSIZE_TO_POINTER (sequence_number));
}
void
_gdk_macos_display_set_drag (GdkMacosDisplay *self,
NSInteger sequence_number,
GdkDrag *drag)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
g_return_if_fail (!drag || GDK_IS_MACOS_DRAG (drag));
if (drag)
g_hash_table_insert (self->active_drags,
GSIZE_TO_POINTER (sequence_number),
g_object_ref (drag));
else
g_hash_table_remove (self->active_drags,
GSIZE_TO_POINTER (sequence_number));
}
GdkDrop *
_gdk_macos_display_find_drop (GdkMacosDisplay *self,
NSInteger sequence_number)
{
g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (self), NULL);
return g_hash_table_lookup (self->active_drops, GSIZE_TO_POINTER (sequence_number));
}
void
_gdk_macos_display_set_drop (GdkMacosDisplay *self,
NSInteger sequence_number,
GdkDrop *drop)
{
g_return_if_fail (GDK_IS_MACOS_DISPLAY (self));
g_return_if_fail (!drop || GDK_IS_MACOS_DROP (drop));
if (drop)
g_hash_table_insert (self->active_drops,
GSIZE_TO_POINTER (sequence_number),
g_object_ref (drop));
else
g_hash_table_remove (self->active_drops,
GSIZE_TO_POINTER (sequence_number));
}
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