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gtk2/gdk/wayland/gdkdevice-wayland.c
Matthias Clasen 914f7bd6e4 wayland: Survive without primary selection 
I am testing GTK+ master against mutter 3.19.90, so I'd
like GTK+ to survive even when the compositor does not
support the primary selection interface.
2016-02-26 19:48:05 -05:00

3199 lines
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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <gdk/gdkwindow.h>
#include <gdk/gdktypes.h>
#include "gdkprivate-wayland.h"
#include "gdkseat-wayland.h"
#include "gdkwayland.h"
#include "gdkkeysyms.h"
#include "gdkdeviceprivate.h"
#include "gdkdevicemanagerprivate.h"
#include "gdkseatprivate.h"
#include "pointer-gestures-unstable-v1-client-protocol.h"
#include <xkbcommon/xkbcommon.h>
#include <linux/input.h>
#include <sys/time.h>
#include <sys/mman.h>
#define BUTTON_BASE (BTN_LEFT - 1) /* Used to translate to 1-indexed buttons */
typedef struct _GdkWaylandTouchData GdkWaylandTouchData;
typedef struct _GdkWaylandPointerFrameData GdkWaylandPointerFrameData;
struct _GdkWaylandTouchData
{
uint32_t id;
gdouble x;
gdouble y;
GdkWindow *window;
uint32_t touch_down_serial;
guint initial_touch : 1;
};
struct _GdkWaylandPointerFrameData
{
GdkEvent *event;
/* Specific to the scroll event */
gdouble delta_x, delta_y;
int32_t discrete_x, discrete_y;
gint8 is_scroll_stop;
};
struct _GdkWaylandSeat
{
GdkSeat parent_instance;
guint32 id;
struct wl_seat *wl_seat;
struct wl_pointer *wl_pointer;
struct wl_keyboard *wl_keyboard;
struct wl_touch *wl_touch;
struct zwp_pointer_gesture_swipe_v1 *wp_pointer_gesture_swipe;
struct zwp_pointer_gesture_pinch_v1 *wp_pointer_gesture_pinch;
GdkDisplay *display;
GdkDeviceManager *device_manager;
GdkDevice *master_pointer;
GdkDevice *master_keyboard;
GdkDevice *pointer;
GdkDevice *keyboard;
GdkDevice *touch_master;
GdkDevice *touch;
GdkCursor *cursor;
GdkKeymap *keymap;
GHashTable *touches;
GdkModifierType key_modifiers;
GdkModifierType button_modifiers;
GdkWindow *pointer_focus;
GdkWindow *keyboard_focus;
GdkAtom pending_selection;
double surface_x, surface_y;
uint32_t time;
uint32_t enter_serial;
uint32_t button_press_serial;
GdkWindow *pointer_grab_window;
uint32_t pointer_grab_time;
gboolean have_server_repeat;
uint32_t server_repeat_rate;
uint32_t server_repeat_delay;
guint32 repeat_timer;
guint32 repeat_key;
guint32 repeat_count;
GSettings *keyboard_settings;
guint cursor_timeout_id;
guint cursor_image_index;
guint cursor_image_delay;
struct gtk_primary_selection_device *primary_data_device;
struct wl_data_device *data_device;
GdkDragContext *drop_context;
struct wl_surface *pointer_surface;
guint current_output_scale;
GSList *pointer_surface_outputs;
/* Source/dest for non-local dnd */
GdkWindow *foreign_dnd_window;
/* Some tracking on gesture events */
guint gesture_n_fingers;
gdouble gesture_scale;
GdkCursor *grab_cursor;
/* Accumulated event data for a pointer frame */
GdkWaylandPointerFrameData pointer_frame;
};
G_DEFINE_TYPE (GdkWaylandSeat, gdk_wayland_seat, GDK_TYPE_SEAT)
struct _GdkWaylandDevice
{
GdkDevice parent_instance;
GdkWaylandDeviceData *device;
GdkWaylandTouchData *emulating_touch; /* Only used on wd->touch_master */
};
struct _GdkWaylandDeviceClass
{
GdkDeviceClass parent_class;
};
G_DEFINE_TYPE (GdkWaylandDevice, gdk_wayland_device, GDK_TYPE_DEVICE)
#define GDK_TYPE_WAYLAND_DEVICE_MANAGER (gdk_wayland_device_manager_get_type ())
#define GDK_WAYLAND_DEVICE_MANAGER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GDK_TYPE_WAYLAND_DEVICE_MANAGER, GdkWaylandDeviceManager))
#define GDK_WAYLAND_DEVICE_MANAGER_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), GDK_TYPE_WAYLAND_DEVICE_MANAGER, GdkWaylandDeviceManagerClass))
#define GDK_IS_WAYLAND_DEVICE_MANAGER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDK_TYPE_WAYLAND_DEVICE_MANAGER))
#define GDK_IS_WAYLAND_DEVICE_MANAGER_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GDK_TYPE_WAYLAND_DEVICE_MANAGER))
#define GDK_WAYLAND_DEVICE_MANAGER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDK_TYPE_WAYLAND_DEVICE_MANAGER, GdkWaylandDeviceManagerClass))
#define GDK_SLOT_TO_EVENT_SEQUENCE(s) ((GdkEventSequence *) GUINT_TO_POINTER((s) + 1))
#define GDK_EVENT_SEQUENCE_TO_SLOT(s) (GPOINTER_TO_UINT(s) - 1)
typedef struct _GdkWaylandDeviceManager GdkWaylandDeviceManager;
typedef struct _GdkWaylandDeviceManagerClass GdkWaylandDeviceManagerClass;
struct _GdkWaylandDeviceManager
{
GdkDeviceManager parent_object;
GList *devices;
};
struct _GdkWaylandDeviceManagerClass
{
GdkDeviceManagerClass parent_class;
};
GType gdk_wayland_device_manager_get_type (void);
G_DEFINE_TYPE (GdkWaylandDeviceManager,
gdk_wayland_device_manager, GDK_TYPE_DEVICE_MANAGER)
static gboolean
gdk_wayland_device_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
gint *n_events)
{
return FALSE;
}
static void
gdk_wayland_device_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask)
{
gdouble x, y;
gdk_window_get_device_position_double (window, device, &x, &y, mask);
if (axes)
{
axes[0] = x;
axes[1] = y;
}
}
static void
gdk_wayland_device_stop_window_cursor_animation (GdkWaylandDeviceData *wd)
{
if (wd->cursor_timeout_id > 0)
{
g_source_remove (wd->cursor_timeout_id);
wd->cursor_timeout_id = 0;
}
wd->cursor_image_index = 0;
wd->cursor_image_delay = 0;
}
static gboolean
gdk_wayland_device_update_window_cursor (GdkWaylandDeviceData *wd)
{
struct wl_buffer *buffer;
int x, y, w, h, scale;
guint next_image_index, next_image_delay;
gboolean retval = G_SOURCE_REMOVE;
if (wd->cursor)
{
buffer = _gdk_wayland_cursor_get_buffer (wd->cursor, wd->cursor_image_index,
&x, &y, &w, &h, &scale);
}
else
{
wd->cursor_timeout_id = 0;
return retval;
}
if (!wd->wl_pointer)
return retval;
if (buffer)
{
wl_surface_attach (wd->pointer_surface, buffer, 0, 0);
wl_surface_set_buffer_scale (wd->pointer_surface, scale);
wl_surface_damage (wd->pointer_surface, 0, 0, w, h);
wl_surface_commit (wd->pointer_surface);
wl_pointer_set_cursor (wd->wl_pointer,
wd->enter_serial,
wd->pointer_surface,
x, y);
}
else
{
wl_pointer_set_cursor (wd->wl_pointer,
wd->enter_serial,
NULL,
0, 0);
wl_surface_attach (wd->pointer_surface, NULL, 0, 0);
wl_surface_commit (wd->pointer_surface);
}
next_image_index =
_gdk_wayland_cursor_get_next_image_index (wd->cursor,
wd->cursor_image_index,
&next_image_delay);
if (next_image_index != wd->cursor_image_index)
{
if (next_image_delay != wd->cursor_image_delay)
{
guint id;
gdk_wayland_device_stop_window_cursor_animation (wd);
/* Queue timeout for next frame */
id = g_timeout_add (next_image_delay,
(GSourceFunc)gdk_wayland_device_update_window_cursor,
wd);
g_source_set_name_by_id (id, "[gtk+] gdk_wayland_device_update_window_cursor");
wd->cursor_timeout_id = id;
}
else
retval = G_SOURCE_CONTINUE;
wd->cursor_image_index = next_image_index;
wd->cursor_image_delay = next_image_delay;
}
else
gdk_wayland_device_stop_window_cursor_animation (wd);
return retval;
}
static void
gdk_wayland_device_set_window_cursor (GdkDevice *device,
GdkWindow *window,
GdkCursor *cursor)
{
GdkWaylandDeviceData *wd = GDK_WAYLAND_DEVICE (device)->device;
if (device == wd->touch_master)
return;
if (wd->grab_cursor)
cursor = wd->grab_cursor;
/* Setting the cursor to NULL means that we should use
* the default cursor
*/
if (!cursor)
{
guint scale = wd->current_output_scale;
cursor =
_gdk_wayland_display_get_cursor_for_type_with_scale (wd->display,
GDK_LEFT_PTR,
scale);
}
else
_gdk_wayland_cursor_set_scale (cursor, wd->current_output_scale);
if (cursor == wd->cursor)
return;
gdk_wayland_device_stop_window_cursor_animation (wd);
if (wd->cursor)
g_object_unref (wd->cursor);
wd->cursor = g_object_ref (cursor);
gdk_wayland_device_update_window_cursor (wd);
}
static void
gdk_wayland_device_warp (GdkDevice *device,
GdkScreen *screen,
gdouble x,
gdouble y)
{
}
static void
get_coordinates (GdkWaylandDeviceData *data,
double *x,
double *y,
double *x_root,
double *y_root)
{
int root_x, root_y;
if (x)
*x = data->surface_x;
if (y)
*y = data->surface_y;
if (data->pointer_focus)
{
gdk_window_get_root_coords (data->pointer_focus,
data->surface_x,
data->surface_y,
&root_x, &root_y);
}
else
{
root_x = data->surface_x;
root_y = data->surface_y;
}
if (x_root)
*x_root = root_x;
if (y_root)
*y_root = root_y;
}
static void
gdk_wayland_device_query_state (GdkDevice *device,
GdkWindow *window,
GdkWindow **root_window,
GdkWindow **child_window,
gdouble *root_x,
gdouble *root_y,
gdouble *win_x,
gdouble *win_y,
GdkModifierType *mask)
{
GdkWaylandDeviceData *wd;
GdkScreen *default_screen;
wd = GDK_WAYLAND_DEVICE (device)->device;
default_screen = gdk_display_get_default_screen (wd->display);
if (root_window)
*root_window = gdk_screen_get_root_window (default_screen);
if (child_window)
*child_window = wd->pointer_focus;
if (mask)
*mask = wd->button_modifiers | wd->key_modifiers;
get_coordinates (wd, win_x, win_y, root_x, root_y);
}
static void
emulate_crossing (GdkWindow *window,
GdkWindow *subwindow,
GdkDevice *device,
GdkEventType type,
GdkCrossingMode mode,
guint32 time_)
{
GdkEvent *event;
event = gdk_event_new (type);
event->crossing.window = window ? g_object_ref (window) : NULL;
event->crossing.subwindow = subwindow ? g_object_ref (subwindow) : NULL;
event->crossing.time = time_;
event->crossing.mode = mode;
event->crossing.detail = GDK_NOTIFY_NONLINEAR;
gdk_event_set_device (event, device);
gdk_event_set_source_device (event, device);
gdk_event_set_seat (event, gdk_device_get_seat (device));
gdk_window_get_device_position_double (window, device,
&event->crossing.x, &event->crossing.y,
&event->crossing.state);
event->crossing.x_root = event->crossing.x;
event->crossing.y_root = event->crossing.y;
_gdk_wayland_display_deliver_event (gdk_window_get_display (window), event);
}
static void
emulate_touch_crossing (GdkWindow *window,
GdkWindow *subwindow,
GdkDevice *device,
GdkDevice *source,
GdkWaylandTouchData *touch,
GdkEventType type,
GdkCrossingMode mode,
guint32 time_)
{
GdkEvent *event;
event = gdk_event_new (type);
event->crossing.window = window ? g_object_ref (window) : NULL;
event->crossing.subwindow = subwindow ? g_object_ref (subwindow) : NULL;
event->crossing.time = time_;
event->crossing.mode = mode;
event->crossing.detail = GDK_NOTIFY_NONLINEAR;
gdk_event_set_device (event, device);
gdk_event_set_source_device (event, source);
gdk_event_set_seat (event, gdk_device_get_seat (device));
event->crossing.x = touch->x;
event->crossing.y = touch->y;
event->crossing.x_root = event->crossing.x;
event->crossing.y_root = event->crossing.y;
_gdk_wayland_display_deliver_event (gdk_window_get_display (window), event);
}
static void
emulate_focus (GdkWindow *window,
GdkDevice *device,
gboolean focus_in,
guint32 time_)
{
GdkEvent *event;
event = gdk_event_new (GDK_FOCUS_CHANGE);
event->focus_change.window = g_object_ref (window);
event->focus_change.in = focus_in;
gdk_event_set_device (event, device);
gdk_event_set_source_device (event, device);
gdk_event_set_seat (event, gdk_device_get_seat (device));
_gdk_wayland_display_deliver_event (gdk_window_get_display (window), event);
}
static void
device_emit_grab_crossing (GdkDevice *device,
GdkWindow *from,
GdkWindow *to,
GdkCrossingMode mode,
guint32 time_)
{
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
{
if (from)
emulate_focus (from, device, FALSE, time_);
if (to)
emulate_focus (to, device, TRUE, time_);
}
else
{
if (from)
emulate_crossing (from, to, device, GDK_LEAVE_NOTIFY, mode, time_);
if (to)
emulate_crossing (to, from, device, GDK_ENTER_NOTIFY, mode, time_);
}
}
static GdkWindow *
gdk_wayland_device_get_focus (GdkDevice *device)
{
GdkWaylandSeat *wayland_seat = GDK_WAYLAND_DEVICE (device)->device;
if (device == wayland_seat->master_keyboard)
return wayland_seat->keyboard_focus;
else if (device == wayland_seat->master_pointer)
return wayland_seat->pointer_focus;
else if (device == wayland_seat->touch_master &&
GDK_WAYLAND_DEVICE(device)->emulating_touch)
return GDK_WAYLAND_DEVICE(device)->emulating_touch->window;
else
return NULL;
}
static GdkGrabStatus
gdk_wayland_device_grab (GdkDevice *device,
GdkWindow *window,
gboolean owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
GdkCursor *cursor,
guint32 time_)
{
GdkWaylandDeviceData *wayland_device = GDK_WAYLAND_DEVICE (device)->device;
GdkWindow *prev_focus = gdk_wayland_device_get_focus (device);
if (prev_focus != window)
device_emit_grab_crossing (device, prev_focus, window, GDK_CROSSING_GRAB, time_);
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
{
/* Device is a keyboard */
return GDK_GRAB_SUCCESS;
}
else
{
/* Device is a pointer */
if (wayland_device->pointer_grab_window != NULL &&
time_ != 0 && wayland_device->pointer_grab_time > time_)
{
return GDK_GRAB_ALREADY_GRABBED;
}
if (time_ == 0)
time_ = wayland_device->time;
wayland_device->pointer_grab_window = window;
wayland_device->pointer_grab_time = time_;
_gdk_wayland_window_set_grab_seat (window, GDK_SEAT (wayland_device));
g_clear_object (&wayland_device->cursor);
if (cursor)
wayland_device->cursor = g_object_ref (cursor);
gdk_wayland_device_update_window_cursor (wayland_device);
}
return GDK_GRAB_SUCCESS;
}
static void
gdk_wayland_device_ungrab (GdkDevice *device,
guint32 time_)
{
GdkWaylandDeviceData *wayland_device = GDK_WAYLAND_DEVICE (device)->device;
GdkDisplay *display;
GdkDeviceGrabInfo *grab;
GdkWindow *focus, *prev_focus = NULL;
display = gdk_device_get_display (device);
grab = _gdk_display_get_last_device_grab (display, device);
if (grab)
{
grab->serial_end = grab->serial_start;
prev_focus = grab->window;
}
focus = gdk_wayland_device_get_focus (device);
if (focus != prev_focus)
device_emit_grab_crossing (device, prev_focus, focus, GDK_CROSSING_UNGRAB, time_);
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
{
/* Device is a keyboard */
}
else
{
/* Device is a pointer */
gdk_wayland_device_update_window_cursor (wayland_device);
if (wayland_device->pointer_grab_window)
_gdk_wayland_window_set_grab_seat (wayland_device->pointer_grab_window,
NULL);
}
}
static GdkWindow *
gdk_wayland_device_window_at_position (GdkDevice *device,
gdouble *win_x,
gdouble *win_y,
GdkModifierType *mask,
gboolean get_toplevel)
{
GdkWaylandDeviceData *wd;
GdkWindow *window = NULL;
wd = GDK_WAYLAND_DEVICE(device)->device;
if (device == wd->master_pointer)
{
if (win_x)
*win_x = wd->surface_x;
if (win_y)
*win_y = wd->surface_y;
if (mask)
*mask |= wd->button_modifiers;
window = wd->pointer_focus;
}
else if (device == wd->touch_master)
{
GdkWaylandTouchData *touch;
touch = GDK_WAYLAND_DEVICE(device)->emulating_touch;
if (touch)
{
if (win_x)
*win_x = touch->x;
if (win_y)
*win_y = touch->y;
if (mask)
*mask |= GDK_BUTTON1_MASK;
window = touch->window;
}
}
if (mask)
*mask = wd->key_modifiers;
return window;
}
static void
gdk_wayland_device_select_window_events (GdkDevice *device,
GdkWindow *window,
GdkEventMask event_mask)
{
}
static void
gdk_wayland_device_class_init (GdkWaylandDeviceClass *klass)
{
GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
device_class->get_history = gdk_wayland_device_get_history;
device_class->get_state = gdk_wayland_device_get_state;
device_class->set_window_cursor = gdk_wayland_device_set_window_cursor;
device_class->warp = gdk_wayland_device_warp;
device_class->query_state = gdk_wayland_device_query_state;
device_class->grab = gdk_wayland_device_grab;
device_class->ungrab = gdk_wayland_device_ungrab;
device_class->window_at_position = gdk_wayland_device_window_at_position;
device_class->select_window_events = gdk_wayland_device_select_window_events;
}
static void
gdk_wayland_device_init (GdkWaylandDevice *device_core)
{
GdkDevice *device;
device = GDK_DEVICE (device_core);
_gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_X, 0, 0, 1);
_gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_Y, 0, 0, 1);
}
/**
* gdk_wayland_device_get_wl_seat:
* @device: (type GdkWaylandDevice): a #GdkDevice
*
* Returns the Wayland wl_seat of a #GdkDevice.
*
* Returns: (transfer none): a Wayland wl_seat
*
* Since: 3.10
*/
struct wl_seat *
gdk_wayland_device_get_wl_seat (GdkDevice *device)
{
g_return_val_if_fail (GDK_IS_WAYLAND_DEVICE (device), NULL);
return GDK_WAYLAND_DEVICE (device)->device->wl_seat;
}
/**
* gdk_wayland_device_get_wl_pointer:
* @device: (type GdkWaylandDevice): a #GdkDevice
*
* Returns the Wayland wl_pointer of a #GdkDevice.
*
* Returns: (transfer none): a Wayland wl_pointer
*
* Since: 3.10
*/
struct wl_pointer *
gdk_wayland_device_get_wl_pointer (GdkDevice *device)
{
g_return_val_if_fail (GDK_IS_WAYLAND_DEVICE (device), NULL);
return GDK_WAYLAND_DEVICE (device)->device->wl_pointer;
}
/**
* gdk_wayland_device_get_wl_keyboard:
* @device: (type GdkWaylandDevice): a #GdkDevice
*
* Returns the Wayland wl_keyboard of a #GdkDevice.
*
* Returns: (transfer none): a Wayland wl_keyboard
*
* Since: 3.10
*/
struct wl_keyboard *
gdk_wayland_device_get_wl_keyboard (GdkDevice *device)
{
g_return_val_if_fail (GDK_IS_WAYLAND_DEVICE (device), NULL);
return GDK_WAYLAND_DEVICE (device)->device->wl_keyboard;
}
GdkKeymap *
_gdk_wayland_device_get_keymap (GdkDevice *device)
{
return GDK_WAYLAND_DEVICE (device)->device->keymap;
}
static void
emit_selection_owner_change (GdkWindow *window,
GdkAtom atom)
{
GdkEvent *event;
event = gdk_event_new (GDK_OWNER_CHANGE);
event->owner_change.window = g_object_ref (window);
event->owner_change.owner = NULL;
event->owner_change.reason = GDK_OWNER_CHANGE_NEW_OWNER;
event->owner_change.selection = atom;
event->owner_change.time = GDK_CURRENT_TIME;
event->owner_change.selection_time = GDK_CURRENT_TIME;
gdk_event_put (event);
gdk_event_free (event);
}
static void
data_device_data_offer (void *data,
struct wl_data_device *data_device,
struct wl_data_offer *offer)
{
GdkWaylandDeviceData *device = (GdkWaylandDeviceData *)data;
GDK_NOTE (EVENTS,
g_message ("data device data offer, data device %p, offer %p",
data_device, offer));
gdk_wayland_selection_ensure_offer (device->display, offer);
}
static void
data_device_enter (void *data,
struct wl_data_device *data_device,
uint32_t serial,
struct wl_surface *surface,
wl_fixed_t x,
wl_fixed_t y,
struct wl_data_offer *offer)
{
GdkWaylandDeviceData *device = (GdkWaylandDeviceData *)data;
GdkWindow *dest_window, *dnd_owner;
GdkAtom selection;
dest_window = wl_surface_get_user_data (surface);
if (!GDK_IS_WINDOW (dest_window))
return;
GDK_NOTE (EVENTS,
g_message ("data device enter, data device %p serial %u, surface %p, x %f y %f, offer %p",
data_device, serial, surface, wl_fixed_to_double (x), wl_fixed_to_double (y), offer));
/* Update pointer state, so device state queries work during DnD */
device->pointer_focus = g_object_ref (dest_window);
device->surface_x = wl_fixed_to_double (x);
device->surface_y = wl_fixed_to_double (y);
gdk_wayland_drop_context_update_targets (device->drop_context);
selection = gdk_drag_get_selection (device->drop_context);
dnd_owner = gdk_selection_owner_get_for_display (device->display, selection);
if (!dnd_owner)
dnd_owner = device->foreign_dnd_window;
_gdk_wayland_drag_context_set_source_window (device->drop_context, dnd_owner);
_gdk_wayland_drag_context_set_dest_window (device->drop_context,
dest_window, serial);
_gdk_wayland_drag_context_set_coords (device->drop_context,
wl_fixed_to_double (x),
wl_fixed_to_double (y));
_gdk_wayland_drag_context_emit_event (device->drop_context, GDK_DRAG_ENTER,
GDK_CURRENT_TIME);
gdk_wayland_selection_set_offer (device->display, selection, offer);
emit_selection_owner_change (dest_window, selection);
}
static void
data_device_leave (void *data,
struct wl_data_device *data_device)
{
GdkWaylandDeviceData *device = (GdkWaylandDeviceData *) data;
GDK_NOTE (EVENTS,
g_message ("data device leave, data device %p", data_device));
if (!gdk_drag_context_get_dest_window (device->drop_context))
return;
device->pointer_focus = NULL;
_gdk_wayland_drag_context_set_coords (device->drop_context, -1, -1);
_gdk_wayland_drag_context_emit_event (device->drop_context, GDK_DRAG_LEAVE,
GDK_CURRENT_TIME);
_gdk_wayland_drag_context_set_dest_window (device->drop_context, NULL, 0);
}
static void
data_device_motion (void *data,
struct wl_data_device *data_device,
uint32_t time,
wl_fixed_t x,
wl_fixed_t y)
{
GdkWaylandDeviceData *device = (GdkWaylandDeviceData *) data;
g_debug (G_STRLOC ": %s data_device = %p, time = %d, x = %f, y = %f",
G_STRFUNC, data_device, time, wl_fixed_to_double (x), wl_fixed_to_double (y));
if (!gdk_drag_context_get_dest_window (device->drop_context))
return;
/* Update pointer state, so device state queries work during DnD */
device->surface_x = wl_fixed_to_double (x);
device->surface_y = wl_fixed_to_double (y);
gdk_wayland_drop_context_update_targets (device->drop_context);
_gdk_wayland_drag_context_set_coords (device->drop_context,
wl_fixed_to_double (x),
wl_fixed_to_double (y));
_gdk_wayland_drag_context_emit_event (device->drop_context,
GDK_DRAG_MOTION, time);
}
static void
data_device_drop (void *data,
struct wl_data_device *data_device)
{
GdkWaylandDeviceData *device = (GdkWaylandDeviceData *) data;
GDK_NOTE (EVENTS,
g_message ("data device drop, data device %p", data_device));
_gdk_wayland_drag_context_emit_event (device->drop_context,
GDK_DROP_START, GDK_CURRENT_TIME);
}
static void
data_device_selection (void *data,
struct wl_data_device *wl_data_device,
struct wl_data_offer *offer)
{
GdkWaylandDeviceData *device = (GdkWaylandDeviceData *) data;
GdkAtom selection;
GDK_NOTE (EVENTS,
g_message ("data device selection, data device %p, data offer %p",
wl_data_device, offer));
selection = gdk_atom_intern_static_string ("CLIPBOARD");
gdk_wayland_selection_set_offer (device->display, selection, offer);
/* If we already have keyboard focus, the selection was targeted at the
* focused surface. If we don't we will receive keyboard focus directly after
* this, so lets wait and find out what window will get the focus before
* emitting the owner-changed event.
*/
if (device->keyboard_focus)
emit_selection_owner_change (device->keyboard_focus, selection);
else
device->pending_selection = selection;
}
static const struct wl_data_device_listener data_device_listener = {
data_device_data_offer,
data_device_enter,
data_device_leave,
data_device_motion,
data_device_drop,
data_device_selection
};
static void
primary_selection_data_offer (void *data,
struct gtk_primary_selection_device *gtk_primary_selection_device,
struct gtk_primary_selection_offer *gtk_primary_offer)
{
GdkWaylandDeviceData *device = (GdkWaylandDeviceData *) data;
GDK_NOTE (EVENTS,
g_message ("primary selection offer, device %p, data offer %p",
gtk_primary_selection_device, gtk_primary_offer));
gdk_wayland_selection_ensure_primary_offer (device->display, gtk_primary_offer);
}
static void
primary_selection_selection (void *data,
struct gtk_primary_selection_device *gtk_primary_selection_device,
struct gtk_primary_selection_offer *gtk_primary_offer)
{
GdkWaylandDeviceData *device = (GdkWaylandDeviceData *) data;
GdkAtom selection;
GDK_NOTE (EVENTS,
g_message ("primary selection selection, device %p, data offer %p",
gtk_primary_selection_device, gtk_primary_offer));
selection = gdk_atom_intern_static_string ("PRIMARY");
gdk_wayland_selection_set_offer (device->display, selection, gtk_primary_offer);
emit_selection_owner_change (device->keyboard_focus, selection);
}
static const struct gtk_primary_selection_device_listener primary_selection_device_listener = {
primary_selection_data_offer,
primary_selection_selection,
};
static GdkEvent *
create_scroll_event (GdkWaylandSeat *seat,
gboolean emulated)
{
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (seat->display);
GdkEvent *event;
event = gdk_event_new (GDK_SCROLL);
event->scroll.window = g_object_ref (seat->pointer_focus);
gdk_event_set_device (event, seat->master_pointer);
gdk_event_set_source_device (event, seat->pointer);
event->scroll.time = seat->time;
event->scroll.state = seat->button_modifiers | seat->key_modifiers;
gdk_event_set_screen (event, display->screen);
_gdk_event_set_pointer_emulated (event, emulated);
get_coordinates (seat,
&event->scroll.x,
&event->scroll.y,
&event->scroll.x_root,
&event->scroll.y_root);
return event;
}
static void
flush_discrete_scroll_event (GdkWaylandSeat *seat,
GdkScrollDirection direction)
{
GdkEvent *event;
event = create_scroll_event (seat, TRUE);
event->scroll.direction = direction;
_gdk_wayland_display_deliver_event (seat->display, event);
}
static void
flush_smooth_scroll_event (GdkWaylandSeat *seat,
gdouble delta_x,
gdouble delta_y,
gboolean is_stop)
{
GdkEvent *event;
event = create_scroll_event (seat, FALSE);
event->scroll.direction = GDK_SCROLL_SMOOTH;
event->scroll.delta_x = delta_x;
event->scroll.delta_y = delta_y;
event->scroll.is_stop = is_stop;
_gdk_wayland_display_deliver_event (seat->display, event);
}
static void
flush_scroll_event (GdkWaylandSeat *seat,
GdkWaylandPointerFrameData *pointer_frame)
{
gboolean is_stop = FALSE;
if (pointer_frame->discrete_x || pointer_frame->discrete_y)
{
GdkScrollDirection direction;
if (pointer_frame->discrete_x > 0)
direction = GDK_SCROLL_LEFT;
else if (pointer_frame->discrete_x < 0)
direction = GDK_SCROLL_RIGHT;
else if (pointer_frame->discrete_y > 0)
direction = GDK_SCROLL_UP;
else
direction = GDK_SCROLL_DOWN;
flush_discrete_scroll_event (seat, direction);
}
/* Axes can stop independently, if we stop on one axis but have a
* delta on the other, we don't count it as a stop event.
*/
if (pointer_frame->is_scroll_stop &&
pointer_frame->delta_x == 0 &&
pointer_frame->delta_y == 0)
is_stop = TRUE;
flush_smooth_scroll_event (seat,
pointer_frame->delta_x,
pointer_frame->delta_y,
is_stop);
pointer_frame->delta_x = 0;
pointer_frame->delta_y = 0;
pointer_frame->discrete_x = 0;
pointer_frame->discrete_y = 0;
pointer_frame->is_scroll_stop = FALSE;
}
static void
gdk_wayland_seat_flush_frame_event (GdkWaylandSeat *seat)
{
if (seat->pointer_frame.event)
{
_gdk_wayland_display_deliver_event (gdk_seat_get_display (GDK_SEAT (seat)),
seat->pointer_frame.event);
seat->pointer_frame.event = NULL;
}
else
flush_scroll_event (seat, &seat->pointer_frame);
}
static GdkEvent *
gdk_wayland_seat_get_frame_event (GdkWaylandSeat *seat,
GdkEventType evtype)
{
if (seat->pointer_frame.event &&
seat->pointer_frame.event->type != evtype)
gdk_wayland_seat_flush_frame_event (seat);
seat->pointer_frame.event = gdk_event_new (evtype);
return seat->pointer_frame.event;
}
static void
pointer_handle_enter (void *data,
struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface,
wl_fixed_t sx,
wl_fixed_t sy)
{
GdkWaylandDeviceData *device = data;
GdkEvent *event;
GdkWaylandDisplay *wayland_display =
GDK_WAYLAND_DISPLAY (device->display);
if (!surface)
return;
if (!GDK_IS_WINDOW (wl_surface_get_user_data (surface)))
return;
_gdk_wayland_display_update_serial (wayland_display, serial);
device->pointer_focus = wl_surface_get_user_data(surface);
g_object_ref(device->pointer_focus);
device->button_modifiers = 0;
device->surface_x = wl_fixed_to_double (sx);
device->surface_y = wl_fixed_to_double (sy);
device->enter_serial = serial;
event = gdk_wayland_seat_get_frame_event (device, GDK_ENTER_NOTIFY);
event->crossing.window = g_object_ref (device->pointer_focus);
gdk_event_set_device (event, device->master_pointer);
gdk_event_set_source_device (event, device->pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device->master_pointer));
event->crossing.subwindow = NULL;
event->crossing.time = (guint32)(g_get_monotonic_time () / 1000);
event->crossing.mode = GDK_CROSSING_NORMAL;
event->crossing.detail = GDK_NOTIFY_NONLINEAR;
event->crossing.focus = TRUE;
event->crossing.state = 0;
gdk_wayland_device_update_window_cursor (device);
get_coordinates (device,
&event->crossing.x,
&event->crossing.y,
&event->crossing.x_root,
&event->crossing.y_root);
GDK_NOTE (EVENTS,
g_message ("enter, device %p surface %p",
device, device->pointer_focus));
if (wayland_display->seat_version < WL_POINTER_HAS_FRAME)
gdk_wayland_seat_flush_frame_event (device);
}
static void
pointer_handle_leave (void *data,
struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface)
{
GdkWaylandDeviceData *device = data;
GdkEvent *event;
GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (device->display);
if (!surface)
return;
if (!GDK_IS_WINDOW (wl_surface_get_user_data (surface)))
return;
if (!device->pointer_focus)
return;
_gdk_wayland_display_update_serial (wayland_display, serial);
event = gdk_wayland_seat_get_frame_event (device, GDK_LEAVE_NOTIFY);
event->crossing.window = g_object_ref (device->pointer_focus);
gdk_event_set_device (event, device->master_pointer);
gdk_event_set_source_device (event, device->pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device->master_pointer));
event->crossing.subwindow = NULL;
event->crossing.time = (guint32)(g_get_monotonic_time () / 1000);
event->crossing.mode = GDK_CROSSING_NORMAL;
event->crossing.detail = GDK_NOTIFY_NONLINEAR;
event->crossing.focus = TRUE;
event->crossing.state = 0;
gdk_wayland_device_update_window_cursor (device);
get_coordinates (device,
&event->crossing.x,
&event->crossing.y,
&event->crossing.x_root,
&event->crossing.y_root);
GDK_NOTE (EVENTS,
g_message ("leave, device %p surface %p",
device, device->pointer_focus));
g_object_unref (device->pointer_focus);
if (device->cursor)
gdk_wayland_device_stop_window_cursor_animation (device);
device->pointer_focus = NULL;
if (wayland_display->seat_version < WL_POINTER_HAS_FRAME)
gdk_wayland_seat_flush_frame_event (device);
}
static void
pointer_handle_motion (void *data,
struct wl_pointer *pointer,
uint32_t time,
wl_fixed_t sx,
wl_fixed_t sy)
{
GdkWaylandDeviceData *device = data;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
GdkEvent *event;
if (!device->pointer_focus)
return;
device->time = time;
device->surface_x = wl_fixed_to_double (sx);
device->surface_y = wl_fixed_to_double (sy);
event = gdk_wayland_seat_get_frame_event (device, GDK_MOTION_NOTIFY);
event->motion.window = g_object_ref (device->pointer_focus);
gdk_event_set_device (event, device->master_pointer);
gdk_event_set_source_device (event, device->pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device->master_pointer));
event->motion.time = time;
event->motion.axes = NULL;
event->motion.state = device->button_modifiers | device->key_modifiers;
event->motion.is_hint = 0;
gdk_event_set_screen (event, display->screen);
get_coordinates (device,
&event->motion.x,
&event->motion.y,
&event->motion.x_root,
&event->motion.y_root);
GDK_NOTE (EVENTS,
g_message ("motion %f %f, device %p state %d",
wl_fixed_to_double (sx), wl_fixed_to_double (sy),
device, event->motion.state));
if (display->seat_version < WL_POINTER_HAS_FRAME)
gdk_wayland_seat_flush_frame_event (device);
}
static void
pointer_handle_button (void *data,
struct wl_pointer *pointer,
uint32_t serial,
uint32_t time,
uint32_t button,
uint32_t state)
{
GdkWaylandDeviceData *device = data;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
GdkEvent *event;
uint32_t modifier;
int gdk_button;
if (!device->pointer_focus)
return;
_gdk_wayland_display_update_serial (display, serial);
switch (button)
{
case BTN_LEFT:
gdk_button = GDK_BUTTON_PRIMARY;
break;
case BTN_MIDDLE:
gdk_button = GDK_BUTTON_MIDDLE;
break;
case BTN_RIGHT:
gdk_button = GDK_BUTTON_SECONDARY;
break;
default:
/* For compatibility reasons, all additional buttons go after the old 4-7 scroll ones */
gdk_button = button - BUTTON_BASE + 4;
break;
}
device->time = time;
if (state)
device->button_press_serial = serial;
event = gdk_wayland_seat_get_frame_event (device,
state ? GDK_BUTTON_PRESS :
GDK_BUTTON_RELEASE);
event->button.window = g_object_ref (device->pointer_focus);
gdk_event_set_device (event, device->master_pointer);
gdk_event_set_source_device (event, device->pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device->master_pointer));
event->button.time = time;
event->button.axes = NULL;
event->button.state = device->button_modifiers | device->key_modifiers;
event->button.button = gdk_button;
gdk_event_set_screen (event, display->screen);
get_coordinates (device,
&event->button.x,
&event->button.y,
&event->button.x_root,
&event->button.y_root);
modifier = 1 << (8 + gdk_button - 1);
if (state)
device->button_modifiers |= modifier;
else
device->button_modifiers &= ~modifier;
GDK_NOTE (EVENTS,
g_message ("button %d %s, device %p state %d",
event->button.button,
state ? "press" : "release",
device,
event->button.state));
if (display->seat_version < WL_POINTER_HAS_FRAME)
gdk_wayland_seat_flush_frame_event (device);
}
static void
pointer_handle_axis (void *data,
struct wl_pointer *pointer,
uint32_t time,
uint32_t axis,
wl_fixed_t value)
{
GdkWaylandSeat *seat = data;
GdkWaylandPointerFrameData *pointer_frame = &seat->pointer_frame;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (seat->display);
if (!seat->pointer_focus)
return;
/* get the delta and convert it into the expected range */
switch (axis)
{
case WL_POINTER_AXIS_VERTICAL_SCROLL:
pointer_frame->delta_y = wl_fixed_to_double (value) / 10.0;
break;
case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
pointer_frame->delta_x = wl_fixed_to_double (value) / 10.0;
break;
default:
g_return_if_reached ();
}
seat->time = time;
GDK_NOTE (EVENTS,
g_message ("scroll, axis %d, value %f, seat %p",
axis, wl_fixed_to_double (value) / 10.0,
seat));
if (display->seat_version < WL_POINTER_HAS_FRAME)
gdk_wayland_seat_flush_frame_event (seat);
}
static void
pointer_handle_frame (void *data,
struct wl_pointer *pointer)
{
GdkWaylandSeat *seat = data;
if (!seat->pointer_focus)
return;
GDK_NOTE (EVENTS,
g_message ("frame, seat %p", seat));
gdk_wayland_seat_flush_frame_event (seat);
}
static void
pointer_handle_axis_source (void *data,
struct wl_pointer *pointer,
enum wl_pointer_axis_source source)
{
GdkWaylandSeat *seat = data;
if (!seat->pointer_focus)
return;
/* We don't need to handle the scroll source right now. It only has real
* meaning for 'finger' (to trigger kinetic scrolling). The axis_stop
* event will generate the zero delta required to trigger kinetic
* scrolling, so explicity handling the source is not required.
*/
GDK_NOTE (EVENTS,
g_message ("axis source %d, seat %p", source, seat));
}
static void
pointer_handle_axis_stop (void *data,
struct wl_pointer *pointer,
uint32_t time,
uint32_t axis)
{
GdkWaylandSeat *seat = data;
GdkWaylandPointerFrameData *pointer_frame = &seat->pointer_frame;
if (!seat->pointer_focus)
return;
seat->time = time;
switch (axis)
{
case WL_POINTER_AXIS_VERTICAL_SCROLL:
pointer_frame->delta_y = 0;
break;
case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
pointer_frame->delta_x = 0;
break;
default:
g_return_if_reached ();
}
pointer_frame->is_scroll_stop = TRUE;
GDK_NOTE (EVENTS,
g_message ("axis stop, seat %p", seat));
}
static void
pointer_handle_axis_discrete (void *data,
struct wl_pointer *pointer,
uint32_t axis,
int32_t value)
{
GdkWaylandSeat *seat = data;
GdkWaylandPointerFrameData *pointer_frame = &seat->pointer_frame;
if (!seat->pointer_focus)
return;
switch (axis)
{
case WL_POINTER_AXIS_VERTICAL_SCROLL:
pointer_frame->discrete_y = value;
break;
case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
pointer_frame->discrete_x = value;
break;
default:
g_return_if_reached ();
}
GDK_NOTE (EVENTS,
g_message ("discrete scroll, axis %d, value %d, seat %p",
axis, value, seat));
}
static void
keyboard_handle_keymap (void *data,
struct wl_keyboard *keyboard,
uint32_t format,
int fd,
uint32_t size)
{
GdkWaylandDeviceData *device = data;
_gdk_wayland_keymap_update_from_fd (device->keymap, format, fd, size);
g_signal_emit_by_name (device->keymap, "keys-changed");
g_signal_emit_by_name (device->keymap, "state-changed");
g_signal_emit_by_name (device->keymap, "direction-changed");
}
static void
keyboard_handle_enter (void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
struct wl_surface *surface,
struct wl_array *keys)
{
GdkWaylandDeviceData *device = data;
GdkEvent *event;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
if (!surface)
return;
if (!GDK_IS_WINDOW (wl_surface_get_user_data (surface)))
return;
_gdk_wayland_display_update_serial (display, serial);
device->keyboard_focus = wl_surface_get_user_data (surface);
g_object_ref (device->keyboard_focus);
event = gdk_event_new (GDK_FOCUS_CHANGE);
event->focus_change.window = g_object_ref (device->keyboard_focus);
event->focus_change.send_event = FALSE;
event->focus_change.in = TRUE;
gdk_event_set_device (event, device->master_keyboard);
gdk_event_set_source_device (event, device->keyboard);
gdk_event_set_seat (event, gdk_device_get_seat (device->master_pointer));
GDK_NOTE (EVENTS,
g_message ("focus in, device %p surface %p",
device, device->keyboard_focus));
_gdk_wayland_display_deliver_event (device->display, event);
if (device->pending_selection != GDK_NONE)
{
emit_selection_owner_change (device->keyboard_focus,
device->pending_selection);
device->pending_selection = GDK_NONE;
}
}
static void stop_key_repeat (GdkWaylandDeviceData *device);
static void
keyboard_handle_leave (void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
struct wl_surface *surface)
{
GdkWaylandDeviceData *device = data;
GdkEvent *event;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
if (!device->keyboard_focus)
return;
/* gdk_window_is_destroyed() might already return TRUE for
* device->keyboard_focus here, which would happen if we destroyed the
* window before loosing keyboard focus.
*/
stop_key_repeat (device);
_gdk_wayland_display_update_serial (display, serial);
event = gdk_event_new (GDK_FOCUS_CHANGE);
event->focus_change.window = g_object_ref (device->keyboard_focus);
event->focus_change.send_event = FALSE;
event->focus_change.in = FALSE;
gdk_event_set_device (event, device->master_keyboard);
gdk_event_set_source_device (event, device->keyboard);
gdk_event_set_seat (event, gdk_device_get_seat (device->master_keyboard));
g_object_unref (device->keyboard_focus);
device->keyboard_focus = NULL;
GDK_NOTE (EVENTS,
g_message ("focus out, device %p surface %p",
device, device->keyboard_focus));
_gdk_wayland_display_deliver_event (device->display, event);
}
static gboolean keyboard_repeat (gpointer data);
static void
translate_keyboard_string (GdkEventKey *event)
{
gunichar c = 0;
gchar buf[7];
/* Fill in event->string crudely, since various programs
* depend on it.
*/
event->string = NULL;
if (event->keyval != GDK_KEY_VoidSymbol)
c = gdk_keyval_to_unicode (event->keyval);
if (c)
{
gsize bytes_written;
gint len;
/* Apply the control key - Taken from Xlib */
if (event->state & GDK_CONTROL_MASK)
{
if ((c >= '@' && c < '\177') || c == ' ')
c &= 0x1F;
else if (c == '2')
{
event->string = g_memdup ("\0\0", 2);
event->length = 1;
buf[0] = '\0';
return;
}
else if (c >= '3' && c <= '7')
c -= ('3' - '\033');
else if (c == '8')
c = '\177';
else if (c == '/')
c = '_' & 0x1F;
}
len = g_unichar_to_utf8 (c, buf);
buf[len] = '\0';
event->string = g_locale_from_utf8 (buf, len,
NULL, &bytes_written,
NULL);
if (event->string)
event->length = bytes_written;
}
else if (event->keyval == GDK_KEY_Escape)
{
event->length = 1;
event->string = g_strdup ("\033");
}
else if (event->keyval == GDK_KEY_Return ||
event->keyval == GDK_KEY_KP_Enter)
{
event->length = 1;
event->string = g_strdup ("\r");
}
if (!event->string)
{
event->length = 0;
event->string = g_strdup ("");
}
}
static GSettings *
get_keyboard_settings (GdkWaylandDeviceData *device)
{
if (!device->keyboard_settings)
{
GSettingsSchemaSource *source;
GSettingsSchema *schema;
source = g_settings_schema_source_get_default ();
schema = g_settings_schema_source_lookup (source, "org.gnome.settings-daemon.peripherals.keyboard", FALSE);
if (schema != NULL)
{
device->keyboard_settings = g_settings_new_full (schema, NULL, NULL);
g_settings_schema_unref (schema);
}
}
return device->keyboard_settings;
}
static gboolean
get_key_repeat (GdkWaylandDeviceData *device,
guint *delay,
guint *interval)
{
gboolean repeat;
if (device->have_server_repeat)
{
if (device->server_repeat_rate > 0)
{
repeat = TRUE;
*delay = device->server_repeat_delay;
*interval = (1000 / device->server_repeat_rate);
}
else
{
repeat = FALSE;
}
}
else
{
GSettings *keyboard_settings = get_keyboard_settings (device);
if (keyboard_settings)
{
repeat = g_settings_get_boolean (keyboard_settings, "repeat");
*delay = g_settings_get_uint (keyboard_settings, "delay");
*interval = g_settings_get_uint (keyboard_settings, "repeat-interval");
}
else
{
repeat = TRUE;
*delay = 400;
*interval = 80;
}
}
return repeat;
}
static void
stop_key_repeat (GdkWaylandDeviceData *device)
{
if (device->repeat_timer)
{
g_source_remove (device->repeat_timer);
device->repeat_timer = 0;
}
}
static gboolean
deliver_key_event (GdkWaylandDeviceData *device,
uint32_t time_,
uint32_t key,
uint32_t state)
{
GdkEvent *event;
struct xkb_state *xkb_state;
struct xkb_keymap *xkb_keymap;
GdkKeymap *keymap;
xkb_keysym_t sym;
guint delay, interval;
keymap = device->keymap;
xkb_state = _gdk_wayland_keymap_get_xkb_state (keymap);
xkb_keymap = _gdk_wayland_keymap_get_xkb_keymap (keymap);
sym = xkb_state_key_get_one_sym (xkb_state, key);
device->time = time_;
device->key_modifiers = gdk_keymap_get_modifier_state (keymap);
event = gdk_event_new (state ? GDK_KEY_PRESS : GDK_KEY_RELEASE);
event->key.window = device->keyboard_focus ? g_object_ref (device->keyboard_focus) : NULL;
gdk_event_set_device (event, device->master_keyboard);
gdk_event_set_source_device (event, device->keyboard);
gdk_event_set_seat (event, gdk_device_get_seat (device->master_keyboard));
event->key.time = time_;
event->key.state = device->button_modifiers | device->key_modifiers;
event->key.group = 0;
event->key.hardware_keycode = key;
event->key.keyval = sym;
event->key.is_modifier = _gdk_wayland_keymap_key_is_modifier (keymap, key);
translate_keyboard_string (&event->key);
_gdk_wayland_display_deliver_event (device->display, event);
GDK_NOTE (EVENTS,
g_message ("keyboard event, code %d, sym %d, "
"string %s, mods 0x%x",
event->key.hardware_keycode, event->key.keyval,
event->key.string, event->key.state));
if (!xkb_keymap_key_repeats (xkb_keymap, key))
return FALSE;
if (!get_key_repeat (device, &delay, &interval))
return FALSE;
device->repeat_count++;
device->repeat_key = key;
if (state == 0)
{
stop_key_repeat (device);
return FALSE;
}
else
{
switch (device->repeat_count)
{
case 1:
stop_key_repeat (device);
device->repeat_timer =
gdk_threads_add_timeout (delay, keyboard_repeat, device);
g_source_set_name_by_id (device->repeat_timer, "[gtk+] keyboard_repeat");
return TRUE;
case 2:
device->repeat_timer =
gdk_threads_add_timeout (interval, keyboard_repeat, device);
g_source_set_name_by_id (device->repeat_timer, "[gtk+] keyboard_repeat");
return FALSE;
default:
return TRUE;
}
}
}
static gboolean
keyboard_repeat (gpointer data)
{
GdkWaylandDeviceData *device = data;
return deliver_key_event (device, device->time, device->repeat_key, 1);
}
static void
keyboard_handle_key (void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
uint32_t time,
uint32_t key,
uint32_t state_w)
{
GdkWaylandDeviceData *device = data;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
if (!device->keyboard_focus)
return;
device->repeat_count = 0;
_gdk_wayland_display_update_serial (display, serial);
deliver_key_event (data, time, key + 8, state_w);
}
static void
keyboard_handle_modifiers (void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
uint32_t mods_depressed,
uint32_t mods_latched,
uint32_t mods_locked,
uint32_t group)
{
GdkWaylandDeviceData *device = data;
GdkKeymap *keymap;
struct xkb_state *xkb_state;
PangoDirection direction;
keymap = device->keymap;
direction = gdk_keymap_get_direction (keymap);
xkb_state = _gdk_wayland_keymap_get_xkb_state (keymap);
device->key_modifiers = mods_depressed | mods_latched | mods_locked;
xkb_state_update_mask (xkb_state, mods_depressed, mods_latched, mods_locked, group, 0, 0);
g_signal_emit_by_name (keymap, "state-changed");
if (direction != gdk_keymap_get_direction (keymap))
g_signal_emit_by_name (keymap, "direction-changed");
}
static void
keyboard_handle_repeat_info (void *data,
struct wl_keyboard *keyboard,
int32_t rate,
int32_t delay)
{
GdkWaylandDeviceData *device = data;
device->have_server_repeat = TRUE;
device->server_repeat_rate = rate;
device->server_repeat_delay = delay;
}
static GdkWaylandTouchData *
gdk_wayland_device_add_touch (GdkWaylandDeviceData *device,
uint32_t id,
struct wl_surface *surface)
{
GdkWaylandTouchData *touch;
touch = g_new0 (GdkWaylandTouchData, 1);
touch->id = id;
touch->window = wl_surface_get_user_data (surface);
touch->initial_touch = (g_hash_table_size (device->touches) == 0);
g_hash_table_insert (device->touches, GUINT_TO_POINTER (id), touch);
return touch;
}
static GdkWaylandTouchData *
gdk_wayland_device_get_touch (GdkWaylandDeviceData *device,
uint32_t id)
{
return g_hash_table_lookup (device->touches, GUINT_TO_POINTER (id));
}
static void
gdk_wayland_device_remove_touch (GdkWaylandDeviceData *device,
uint32_t id)
{
g_hash_table_remove (device->touches, GUINT_TO_POINTER (id));
}
static GdkEvent *
_create_touch_event (GdkWaylandDeviceData *device,
GdkWaylandTouchData *touch,
GdkEventType evtype,
uint32_t time)
{
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
gint x_root, y_root;
GdkEvent *event;
event = gdk_event_new (evtype);
event->touch.window = g_object_ref (touch->window);
gdk_event_set_device (event, device->touch_master);
gdk_event_set_source_device (event, device->touch);
gdk_event_set_seat (event, gdk_device_get_seat (device->touch_master));
event->touch.time = time;
event->touch.state = device->button_modifiers | device->key_modifiers;
gdk_event_set_screen (event, display->screen);
event->touch.sequence = GDK_SLOT_TO_EVENT_SEQUENCE (touch->id);
if (touch->initial_touch)
{
_gdk_event_set_pointer_emulated (event, TRUE);
event->touch.emulating_pointer = TRUE;
}
gdk_window_get_root_coords (touch->window,
touch->x, touch->y,
&x_root, &y_root);
event->touch.x = touch->x;
event->touch.y = touch->y;
event->touch.x_root = x_root;
event->touch.y_root = y_root;
return event;
}
static void
touch_handle_down (void *data,
struct wl_touch *wl_touch,
uint32_t serial,
uint32_t time,
struct wl_surface *wl_surface,
int32_t id,
wl_fixed_t x,
wl_fixed_t y)
{
GdkWaylandDeviceData *device = data;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
GdkWaylandTouchData *touch;
GdkEvent *event;
_gdk_wayland_display_update_serial (display, serial);
touch = gdk_wayland_device_add_touch (device, id, wl_surface);
touch->x = wl_fixed_to_double (x);
touch->y = wl_fixed_to_double (y);
touch->touch_down_serial = serial;
event = _create_touch_event (device, touch, GDK_TOUCH_BEGIN, time);
if (touch->initial_touch)
{
emulate_touch_crossing (touch->window, NULL,
device->touch_master, device->touch, touch,
GDK_ENTER_NOTIFY, GDK_CROSSING_NORMAL, time);
GDK_WAYLAND_DEVICE(device->touch_master)->emulating_touch = touch;
}
GDK_NOTE (EVENTS,
g_message ("touch begin %f %f", event->touch.x, event->touch.y));
_gdk_wayland_display_deliver_event (device->display, event);
}
static void
touch_handle_up (void *data,
struct wl_touch *wl_touch,
uint32_t serial,
uint32_t time,
int32_t id)
{
GdkWaylandDeviceData *device = data;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
GdkWaylandTouchData *touch;
GdkEvent *event;
_gdk_wayland_display_update_serial (display, serial);
touch = gdk_wayland_device_get_touch (device, id);
event = _create_touch_event (device, touch, GDK_TOUCH_END, time);
GDK_NOTE (EVENTS,
g_message ("touch end %f %f", event->touch.x, event->touch.y));
_gdk_wayland_display_deliver_event (device->display, event);
if (touch->initial_touch)
{
emulate_touch_crossing (touch->window, NULL,
device->touch_master, device->touch, touch,
GDK_LEAVE_NOTIFY, GDK_CROSSING_NORMAL, time);
GDK_WAYLAND_DEVICE(device->touch_master)->emulating_touch = NULL;
}
gdk_wayland_device_remove_touch (device, id);
}
static void
touch_handle_motion (void *data,
struct wl_touch *wl_touch,
uint32_t time,
int32_t id,
wl_fixed_t x,
wl_fixed_t y)
{
GdkWaylandDeviceData *device = data;
GdkWaylandTouchData *touch;
GdkEvent *event;
touch = gdk_wayland_device_get_touch (device, id);
touch->x = wl_fixed_to_double (x);
touch->y = wl_fixed_to_double (y);
event = _create_touch_event (device, touch, GDK_TOUCH_UPDATE, time);
GDK_NOTE (EVENTS,
g_message ("touch update %f %f", event->touch.x, event->touch.y));
_gdk_wayland_display_deliver_event (device->display, event);
}
static void
touch_handle_frame (void *data,
struct wl_touch *wl_touch)
{
}
static void
touch_handle_cancel (void *data,
struct wl_touch *wl_touch)
{
GdkWaylandSeat *wayland_seat = data;
GdkWaylandTouchData *touch;
GHashTableIter iter;
GdkEvent *event;
if (GDK_WAYLAND_DEVICE (wayland_seat->touch_master)->emulating_touch)
{
touch = GDK_WAYLAND_DEVICE (wayland_seat->touch_master)->emulating_touch;
GDK_WAYLAND_DEVICE (wayland_seat->touch_master)->emulating_touch = NULL;
emulate_touch_crossing (touch->window, NULL,
wayland_seat->touch_master, wayland_seat->touch,
touch, GDK_LEAVE_NOTIFY, GDK_CROSSING_NORMAL,
GDK_CURRENT_TIME);
}
g_hash_table_iter_init (&iter, wayland_seat->touches);
while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &touch))
{
event = _create_touch_event (wayland_seat, touch, GDK_TOUCH_CANCEL,
GDK_CURRENT_TIME);
_gdk_wayland_display_deliver_event (wayland_seat->display, event);
g_hash_table_iter_remove (&iter);
}
GDK_NOTE (EVENTS, g_message ("touch cancel"));
}
static void
emit_gesture_swipe_event (GdkWaylandDeviceData *device,
GdkTouchpadGesturePhase phase,
guint32 _time,
guint32 n_fingers,
gdouble dx,
gdouble dy)
{
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
GdkEvent *event;
if (!device->pointer_focus)
return;
device->time = _time;
event = gdk_event_new (GDK_TOUCHPAD_SWIPE);
event->touchpad_swipe.phase = phase;
event->touchpad_swipe.window = g_object_ref (device->pointer_focus);
gdk_event_set_device (event, device->master_pointer);
gdk_event_set_source_device (event, device->pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device->master_pointer));
event->touchpad_swipe.time = _time;
event->touchpad_swipe.state = device->button_modifiers | device->key_modifiers;
gdk_event_set_screen (event, display->screen);
event->touchpad_swipe.dx = dx;
event->touchpad_swipe.dy = dy;
event->touchpad_swipe.n_fingers = n_fingers;
get_coordinates (device,
&event->touchpad_swipe.x,
&event->touchpad_swipe.y,
&event->touchpad_swipe.x_root,
&event->touchpad_swipe.y_root);
GDK_NOTE (EVENTS,
g_message ("swipe event %d, coords: %f %f, device %p state %d",
event->type, event->touchpad_swipe.x,
event->touchpad_swipe.y, device,
event->touchpad_swipe.state));
_gdk_wayland_display_deliver_event (device->display, event);
}
static void
gesture_swipe_begin (void *data,
struct zwp_pointer_gesture_swipe_v1 *swipe,
uint32_t serial,
uint32_t time,
struct wl_surface *surface,
uint32_t fingers)
{
GdkWaylandDeviceData *device = data;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
_gdk_wayland_display_update_serial (display, serial);
emit_gesture_swipe_event (device,
GDK_TOUCHPAD_GESTURE_PHASE_BEGIN,
time, fingers, 0, 0);
device->gesture_n_fingers = fingers;
}
static void
gesture_swipe_update (void *data,
struct zwp_pointer_gesture_swipe_v1 *swipe,
uint32_t time,
wl_fixed_t dx,
wl_fixed_t dy)
{
GdkWaylandDeviceData *device = data;
emit_gesture_swipe_event (device,
GDK_TOUCHPAD_GESTURE_PHASE_UPDATE,
time,
device->gesture_n_fingers,
wl_fixed_to_double (dx),
wl_fixed_to_double (dy));
}
static void
gesture_swipe_end (void *data,
struct zwp_pointer_gesture_swipe_v1 *swipe,
uint32_t serial,
uint32_t time,
int32_t cancelled)
{
GdkWaylandDeviceData *device = data;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
GdkTouchpadGesturePhase phase;
_gdk_wayland_display_update_serial (display, serial);
phase = (cancelled) ?
GDK_TOUCHPAD_GESTURE_PHASE_CANCEL :
GDK_TOUCHPAD_GESTURE_PHASE_END;
emit_gesture_swipe_event (device, phase, time,
device->gesture_n_fingers, 0, 0);
}
static void
emit_gesture_pinch_event (GdkWaylandDeviceData *device,
GdkTouchpadGesturePhase phase,
guint32 _time,
guint n_fingers,
gdouble dx,
gdouble dy,
gdouble scale,
gdouble angle_delta)
{
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
GdkEvent *event;
if (!device->pointer_focus)
return;
device->time = _time;
event = gdk_event_new (GDK_TOUCHPAD_PINCH);
event->touchpad_pinch.phase = phase;
event->touchpad_pinch.window = g_object_ref (device->pointer_focus);
gdk_event_set_device (event, device->master_pointer);
gdk_event_set_source_device (event, device->pointer);
gdk_event_set_seat (event, gdk_device_get_seat (device->master_pointer));
event->touchpad_pinch.time = _time;
event->touchpad_pinch.state = device->button_modifiers | device->key_modifiers;
gdk_event_set_screen (event, display->screen);
event->touchpad_pinch.dx = dx;
event->touchpad_pinch.dy = dy;
event->touchpad_pinch.scale = scale;
event->touchpad_pinch.angle_delta = angle_delta * G_PI / 180;
event->touchpad_pinch.n_fingers = n_fingers;
get_coordinates (device,
&event->touchpad_pinch.x,
&event->touchpad_pinch.y,
&event->touchpad_pinch.x_root,
&event->touchpad_pinch.y_root);
GDK_NOTE (EVENTS,
g_message ("pinch event %d, coords: %f %f, device %p state %d",
event->type, event->touchpad_pinch.x,
event->touchpad_pinch.y, device,
event->touchpad_pinch.state));
_gdk_wayland_display_deliver_event (device->display, event);
}
static void
gesture_pinch_begin (void *data,
struct zwp_pointer_gesture_pinch_v1 *pinch,
uint32_t serial,
uint32_t time,
struct wl_surface *surface,
uint32_t fingers)
{
GdkWaylandDeviceData *device = data;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
_gdk_wayland_display_update_serial (display, serial);
emit_gesture_pinch_event (device,
GDK_TOUCHPAD_GESTURE_PHASE_BEGIN,
time, fingers, 0, 0, 1, 0);
device->gesture_n_fingers = fingers;
}
static void
gesture_pinch_update (void *data,
struct zwp_pointer_gesture_pinch_v1 *pinch,
uint32_t time,
wl_fixed_t dx,
wl_fixed_t dy,
wl_fixed_t scale,
wl_fixed_t rotation)
{
GdkWaylandDeviceData *device = data;
emit_gesture_pinch_event (device,
GDK_TOUCHPAD_GESTURE_PHASE_UPDATE, time,
device->gesture_n_fingers,
wl_fixed_to_double (dx),
wl_fixed_to_double (dy),
wl_fixed_to_double (scale),
wl_fixed_to_double (rotation));
}
static void
gesture_pinch_end (void *data,
struct zwp_pointer_gesture_pinch_v1 *pinch,
uint32_t serial,
uint32_t time,
int32_t cancelled)
{
GdkWaylandDeviceData *device = data;
GdkWaylandDisplay *display = GDK_WAYLAND_DISPLAY (device->display);
GdkTouchpadGesturePhase phase;
_gdk_wayland_display_update_serial (display, serial);
phase = (cancelled) ?
GDK_TOUCHPAD_GESTURE_PHASE_CANCEL :
GDK_TOUCHPAD_GESTURE_PHASE_END;
emit_gesture_pinch_event (device, phase,
time, device->gesture_n_fingers,
0, 0, 1, 0);
}
static const struct wl_pointer_listener pointer_listener = {
pointer_handle_enter,
pointer_handle_leave,
pointer_handle_motion,
pointer_handle_button,
pointer_handle_axis,
pointer_handle_frame,
pointer_handle_axis_source,
pointer_handle_axis_stop,
pointer_handle_axis_discrete,
};
static const struct wl_keyboard_listener keyboard_listener = {
keyboard_handle_keymap,
keyboard_handle_enter,
keyboard_handle_leave,
keyboard_handle_key,
keyboard_handle_modifiers,
keyboard_handle_repeat_info,
};
static const struct wl_touch_listener touch_listener = {
touch_handle_down,
touch_handle_up,
touch_handle_motion,
touch_handle_frame,
touch_handle_cancel
};
static const struct zwp_pointer_gesture_swipe_v1_listener gesture_swipe_listener = {
gesture_swipe_begin,
gesture_swipe_update,
gesture_swipe_end
};
static const struct zwp_pointer_gesture_pinch_v1_listener gesture_pinch_listener = {
gesture_pinch_begin,
gesture_pinch_update,
gesture_pinch_end
};
static void
seat_handle_capabilities (void *data,
struct wl_seat *seat,
enum wl_seat_capability caps)
{
GdkWaylandDeviceData *device = data;
GdkWaylandDeviceManager *device_manager = GDK_WAYLAND_DEVICE_MANAGER (device->device_manager);
GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (device->display);
GDK_NOTE (MISC,
g_message ("seat %p with %s%s%s", seat,
(caps & WL_SEAT_CAPABILITY_POINTER) ? " pointer, " : "",
(caps & WL_SEAT_CAPABILITY_KEYBOARD) ? " keyboard, " : "",
(caps & WL_SEAT_CAPABILITY_TOUCH) ? " touch" : ""));
if ((caps & WL_SEAT_CAPABILITY_POINTER) && !device->wl_pointer)
{
device->wl_pointer = wl_seat_get_pointer (seat);
wl_pointer_set_user_data (device->wl_pointer, device);
wl_pointer_add_listener (device->wl_pointer, &pointer_listener, device);
device->pointer = g_object_new (GDK_TYPE_WAYLAND_DEVICE,
"name", "Wayland Pointer",
"type", GDK_DEVICE_TYPE_SLAVE,
"input-source", GDK_SOURCE_MOUSE,
"input-mode", GDK_MODE_SCREEN,
"has-cursor", TRUE,
"display", device->display,
"device-manager", device->device_manager,
"seat", device,
NULL);
_gdk_device_set_associated_device (device->pointer, device->master_pointer);
GDK_WAYLAND_DEVICE (device->pointer)->device = device;
device_manager->devices =
g_list_prepend (device_manager->devices, device->pointer);
if (wayland_display->pointer_gestures)
{
device->wp_pointer_gesture_swipe =
zwp_pointer_gestures_v1_get_swipe_gesture (wayland_display->pointer_gestures,
device->wl_pointer);
zwp_pointer_gesture_swipe_v1_set_user_data (device->wp_pointer_gesture_swipe,
device);
zwp_pointer_gesture_swipe_v1_add_listener (device->wp_pointer_gesture_swipe,
&gesture_swipe_listener, device);
device->wp_pointer_gesture_pinch =
zwp_pointer_gestures_v1_get_pinch_gesture (wayland_display->pointer_gestures,
device->wl_pointer);
zwp_pointer_gesture_pinch_v1_set_user_data (device->wp_pointer_gesture_pinch,
device);
zwp_pointer_gesture_pinch_v1_add_listener (device->wp_pointer_gesture_pinch,
&gesture_pinch_listener, device);
}
g_signal_emit_by_name (device_manager, "device-added", device->pointer);
}
else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && device->wl_pointer)
{
wl_pointer_release (device->wl_pointer);
device->wl_pointer = NULL;
_gdk_device_set_associated_device (device->pointer, NULL);
device_manager->devices =
g_list_remove (device_manager->devices, device->pointer);
g_signal_emit_by_name (device_manager, "device-removed", device->pointer);
g_object_unref (device->pointer);
device->pointer = NULL;
}
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !device->wl_keyboard)
{
device->wl_keyboard = wl_seat_get_keyboard (seat);
wl_keyboard_set_user_data (device->wl_keyboard, device);
wl_keyboard_add_listener (device->wl_keyboard, &keyboard_listener, device);
device->keyboard = g_object_new (GDK_TYPE_WAYLAND_DEVICE,
"name", "Wayland Keyboard",
"type", GDK_DEVICE_TYPE_SLAVE,
"input-source", GDK_SOURCE_KEYBOARD,
"input-mode", GDK_MODE_SCREEN,
"has-cursor", FALSE,
"display", device->display,
"device-manager", device->device_manager,
"seat", device,
NULL);
_gdk_device_set_associated_device (device->keyboard, device->master_keyboard);
GDK_WAYLAND_DEVICE (device->keyboard)->device = device;
device_manager->devices =
g_list_prepend (device_manager->devices, device->keyboard);
g_signal_emit_by_name (device_manager, "device-added", device->keyboard);
}
else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && device->wl_keyboard)
{
wl_keyboard_release (device->wl_keyboard);
device->wl_keyboard = NULL;
_gdk_device_set_associated_device (device->keyboard, NULL);
device_manager->devices =
g_list_remove (device_manager->devices, device->keyboard);
g_signal_emit_by_name (device_manager, "device-removed", device->keyboard);
g_object_unref (device->keyboard);
device->keyboard = NULL;
}
if ((caps & WL_SEAT_CAPABILITY_TOUCH) && !device->wl_touch)
{
device->wl_touch = wl_seat_get_touch (seat);
wl_touch_set_user_data (device->wl_touch, device);
wl_touch_add_listener (device->wl_touch, &touch_listener, device);
device->touch_master = g_object_new (GDK_TYPE_WAYLAND_DEVICE,
"name", "Wayland Touch Master Pointer",
"type", GDK_DEVICE_TYPE_MASTER,
"input-source", GDK_SOURCE_MOUSE,
"input-mode", GDK_MODE_SCREEN,
"has-cursor", TRUE,
"display", device->display,
"device-manager", device->device_manager,
"seat", device,
NULL);
GDK_WAYLAND_DEVICE (device->touch_master)->device = device;
_gdk_device_set_associated_device (device->touch_master, device->master_keyboard);
device_manager->devices =
g_list_prepend (device_manager->devices, device->touch_master);
g_signal_emit_by_name (device_manager, "device-added", device->touch_master);
device->touch = g_object_new (GDK_TYPE_WAYLAND_DEVICE,
"name", "Wayland Touch",
"type", GDK_DEVICE_TYPE_SLAVE,
"input-source", GDK_SOURCE_TOUCHSCREEN,
"input-mode", GDK_MODE_SCREEN,
"has-cursor", FALSE,
"display", device->display,
"device-manager", device->device_manager,
"seat", device,
NULL);
_gdk_device_set_associated_device (device->touch, device->touch_master);
GDK_WAYLAND_DEVICE (device->touch)->device = device;
device_manager->devices =
g_list_prepend (device_manager->devices, device->touch);
g_signal_emit_by_name (device_manager, "device-added", device->touch);
}
else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && device->wl_touch)
{
wl_touch_release (device->wl_touch);
device->wl_touch = NULL;
_gdk_device_set_associated_device (device->touch_master, NULL);
_gdk_device_set_associated_device (device->touch, NULL);
device_manager->devices =
g_list_remove (device_manager->devices, device->touch_master);
device_manager->devices =
g_list_remove (device_manager->devices, device->touch);
g_signal_emit_by_name (device_manager, "device-removed", device->touch_master);
g_signal_emit_by_name (device_manager, "device-removed", device->touch);
g_object_unref (device->touch_master);
g_object_unref (device->touch);
device->touch_master = NULL;
device->touch = NULL;
}
if (device->master_pointer)
gdk_drag_context_set_device (device->drop_context, device->master_pointer);
else if (device->touch_master)
gdk_drag_context_set_device (device->drop_context, device->touch_master);
}
static void
seat_handle_name (void *data,
struct wl_seat *seat,
const char *name)
{
/* We don't care about the name. */
GDK_NOTE (MISC,
g_message ("seat %p name %s", seat, name));
}
static const struct wl_seat_listener seat_listener = {
seat_handle_capabilities,
seat_handle_name,
};
static void
init_devices (GdkWaylandDeviceData *device)
{
GdkWaylandDeviceManager *device_manager = GDK_WAYLAND_DEVICE_MANAGER (device->device_manager);
/* pointer */
device->master_pointer = g_object_new (GDK_TYPE_WAYLAND_DEVICE,
"name", "Core Pointer",
"type", GDK_DEVICE_TYPE_MASTER,
"input-source", GDK_SOURCE_MOUSE,
"input-mode", GDK_MODE_SCREEN,
"has-cursor", TRUE,
"display", device->display,
"device-manager", device_manager,
"seat", device,
NULL);
GDK_WAYLAND_DEVICE (device->master_pointer)->device = device;
device_manager->devices =
g_list_prepend (device_manager->devices, device->master_pointer);
g_signal_emit_by_name (device_manager, "device-added", device->master_pointer);
/* keyboard */
device->master_keyboard = g_object_new (GDK_TYPE_WAYLAND_DEVICE,
"name", "Core Keyboard",
"type", GDK_DEVICE_TYPE_MASTER,
"input-source", GDK_SOURCE_KEYBOARD,
"input-mode", GDK_MODE_SCREEN,
"has-cursor", FALSE,
"display", device->display,
"device-manager", device_manager,
"seat", device,
NULL);
GDK_WAYLAND_DEVICE (device->master_keyboard)->device = device;
device_manager->devices =
g_list_prepend (device_manager->devices, device->master_keyboard);
g_signal_emit_by_name (device_manager, "device-added", device->master_keyboard);
/* link both */
_gdk_device_set_associated_device (device->master_pointer, device->master_keyboard);
_gdk_device_set_associated_device (device->master_keyboard, device->master_pointer);
}
static void
pointer_surface_update_scale (GdkWaylandDeviceData *device)
{
GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (device->display);
guint32 scale;
GSList *l;
if (wayland_display->compositor_version < WL_SURFACE_HAS_BUFFER_SCALE)
{
/* We can't set the scale on this surface */
return;
}
scale = 1;
for (l = device->pointer_surface_outputs; l != NULL; l = l->next)
{
guint32 output_scale =
_gdk_wayland_screen_get_output_scale (wayland_display->screen,
l->data);
scale = MAX (scale, output_scale);
}
device->current_output_scale = scale;
if (device->cursor)
_gdk_wayland_cursor_set_scale (device->cursor, scale);
gdk_wayland_device_update_window_cursor (device);
}
static void
pointer_surface_enter (void *data,
struct wl_surface *wl_surface,
struct wl_output *output)
{
GdkWaylandDeviceData *device = data;
GDK_NOTE (EVENTS,
g_message ("pointer surface of device %p entered output %p",
device, output));
device->pointer_surface_outputs =
g_slist_append (device->pointer_surface_outputs, output);
pointer_surface_update_scale (device);
}
static void
pointer_surface_leave (void *data,
struct wl_surface *wl_surface,
struct wl_output *output)
{
GdkWaylandDeviceData *device = data;
GDK_NOTE (EVENTS,
g_message ("pointer surface of device %p left output %p",
device, output));
device->pointer_surface_outputs =
g_slist_remove (device->pointer_surface_outputs, output);
pointer_surface_update_scale (device);
}
static const struct wl_surface_listener pointer_surface_listener = {
pointer_surface_enter,
pointer_surface_leave
};
static GdkWindow *
create_foreign_dnd_window (GdkDisplay *display)
{
GdkWindowAttr attrs;
GdkScreen *screen;
guint mask;
screen = gdk_display_get_default_screen (display);
attrs.x = attrs.y = 0;
attrs.width = attrs.height = 1;
attrs.wclass = GDK_INPUT_OUTPUT;
attrs.window_type = GDK_WINDOW_TEMP;
attrs.visual = gdk_screen_get_system_visual (screen);
mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
return gdk_window_new (gdk_screen_get_root_window (screen), &attrs, mask);
}
static void
gdk_wayland_seat_finalize (GObject *object)
{
GdkWaylandSeat *seat = GDK_WAYLAND_SEAT (object);
seat_handle_capabilities (seat, seat->wl_seat, 0);
g_object_unref (seat->keymap);
wl_surface_destroy (seat->pointer_surface);
/* FIXME: destroy data_device */
g_clear_object (&seat->keyboard_settings);
g_clear_object (&seat->drop_context);
g_hash_table_destroy (seat->touches);
gdk_window_destroy (seat->foreign_dnd_window);
stop_key_repeat (seat);
G_OBJECT_CLASS (gdk_wayland_seat_parent_class)->finalize (object);
}
static GdkSeatCapabilities
gdk_wayland_seat_get_capabilities (GdkSeat *seat)
{
GdkWaylandSeat *wayland_seat = GDK_WAYLAND_SEAT (seat);
GdkSeatCapabilities caps = 0;
if (wayland_seat->master_pointer)
caps |= GDK_SEAT_CAPABILITY_POINTER;
if (wayland_seat->master_keyboard)
caps |= GDK_SEAT_CAPABILITY_KEYBOARD;
if (wayland_seat->touch_master)
caps |= GDK_SEAT_CAPABILITY_TOUCH;
return caps;
}
static void
gdk_wayland_seat_set_grab_window (GdkWaylandSeat *seat,
GdkWindow *window)
{
if (seat->pointer_grab_window)
{
_gdk_wayland_window_set_grab_seat (seat->pointer_grab_window, NULL);
g_object_remove_weak_pointer (G_OBJECT (seat->pointer_grab_window),
(gpointer *) &seat->pointer_grab_window);
seat->pointer_grab_window = NULL;
}
if (window)
{
seat->pointer_grab_window = window;
g_object_add_weak_pointer (G_OBJECT (window),
(gpointer *) &seat->pointer_grab_window);
_gdk_wayland_window_set_grab_seat (window, GDK_SEAT (seat));
}
}
static GdkGrabStatus
gdk_wayland_seat_grab (GdkSeat *seat,
GdkWindow *window,
GdkSeatCapabilities capabilities,
gboolean owner_events,
GdkCursor *cursor,
const GdkEvent *event,
GdkSeatGrabPrepareFunc prepare_func,
gpointer prepare_func_data)
{
GdkWaylandSeat *wayland_seat = GDK_WAYLAND_SEAT (seat);
guint32 evtime = event ? gdk_event_get_time (event) : GDK_CURRENT_TIME;
GdkDisplay *display = gdk_seat_get_display (seat);
GdkWindow *native;
native = gdk_window_get_toplevel (window);
while (native->window_type == GDK_WINDOW_OFFSCREEN)
{
native = gdk_offscreen_window_get_embedder (native);
if (native == NULL ||
(!_gdk_window_has_impl (native) &&
!gdk_window_is_viewable (native)))
return GDK_GRAB_NOT_VIEWABLE;
native = gdk_window_get_toplevel (native);
}
if (native == NULL || GDK_WINDOW_DESTROYED (native))
return GDK_GRAB_NOT_VIEWABLE;
gdk_wayland_seat_set_grab_window (wayland_seat, window);
wayland_seat->pointer_grab_time = evtime;
if (prepare_func)
(prepare_func) (seat, window, prepare_func_data);
if (!gdk_window_is_visible (window))
{
gdk_wayland_seat_set_grab_window (wayland_seat, NULL);
g_critical ("Window %p has not been made visible in GdkSeatGrabPrepareFunc",
window);
return GDK_GRAB_NOT_VIEWABLE;
}
if (wayland_seat->master_pointer &&
capabilities & GDK_SEAT_CAPABILITY_POINTER)
{
GdkWindow *prev_focus = gdk_wayland_device_get_focus (wayland_seat->master_pointer);
if (prev_focus != window)
device_emit_grab_crossing (wayland_seat->master_pointer, prev_focus,
window, GDK_CROSSING_GRAB, evtime);
_gdk_display_add_device_grab (display,
wayland_seat->master_pointer,
window,
native,
GDK_OWNERSHIP_NONE,
owner_events,
GDK_ALL_EVENTS_MASK,
_gdk_display_get_next_serial (display),
evtime,
FALSE);
gdk_wayland_seat_set_global_cursor (seat, cursor);
g_set_object (&wayland_seat->cursor, cursor);
gdk_wayland_device_update_window_cursor (wayland_seat);
}
if (wayland_seat->touch_master &&
capabilities & GDK_SEAT_CAPABILITY_TOUCH)
{
GdkWindow *prev_focus = gdk_wayland_device_get_focus (wayland_seat->touch_master);
if (prev_focus != window)
device_emit_grab_crossing (wayland_seat->touch_master, prev_focus,
window, GDK_CROSSING_GRAB, evtime);
_gdk_display_add_device_grab (display,
wayland_seat->touch_master,
window,
native,
GDK_OWNERSHIP_NONE,
owner_events,
GDK_ALL_EVENTS_MASK,
_gdk_display_get_next_serial (display),
evtime,
FALSE);
}
if (wayland_seat->master_keyboard &&
capabilities & GDK_SEAT_CAPABILITY_KEYBOARD)
{
GdkWindow *prev_focus = gdk_wayland_device_get_focus (wayland_seat->master_keyboard);
if (prev_focus != window)
device_emit_grab_crossing (wayland_seat->master_keyboard, prev_focus,
window, GDK_CROSSING_GRAB, evtime);
_gdk_display_add_device_grab (display,
wayland_seat->master_keyboard,
window,
native,
GDK_OWNERSHIP_NONE,
owner_events,
GDK_ALL_EVENTS_MASK,
_gdk_display_get_next_serial (display),
evtime,
FALSE);
}
return GDK_GRAB_SUCCESS;
}
static void
gdk_wayland_seat_ungrab (GdkSeat *seat)
{
GdkWaylandSeat *wayland_seat = GDK_WAYLAND_SEAT (seat);
GdkDisplay *display = gdk_seat_get_display (seat);
GdkDeviceGrabInfo *grab;
g_clear_object (&wayland_seat->grab_cursor);
gdk_wayland_seat_set_grab_window (wayland_seat, NULL);
if (wayland_seat->master_pointer)
{
GdkWindow *focus, *prev_focus = NULL;
grab = _gdk_display_get_last_device_grab (display, wayland_seat->master_pointer);
if (grab)
{
grab->serial_end = grab->serial_start;
prev_focus = grab->window;
}
focus = gdk_wayland_device_get_focus (wayland_seat->master_pointer);
if (focus != prev_focus)
device_emit_grab_crossing (wayland_seat->master_pointer, prev_focus,
focus, GDK_CROSSING_UNGRAB,
GDK_CURRENT_TIME);
gdk_wayland_device_update_window_cursor (wayland_seat);
}
if (wayland_seat->master_keyboard)
{
grab = _gdk_display_get_last_device_grab (display, wayland_seat->master_keyboard);
if (grab)
grab->serial_end = grab->serial_start;
}
if (wayland_seat->touch_master)
{
grab = _gdk_display_get_last_device_grab (display, wayland_seat->touch_master);
if (grab)
grab->serial_end = grab->serial_start;
}
}
static GdkDevice *
gdk_wayland_seat_get_master (GdkSeat *seat,
GdkSeatCapabilities capabilities)
{
GdkWaylandSeat *wayland_seat = GDK_WAYLAND_SEAT (seat);
if (capabilities == GDK_SEAT_CAPABILITY_POINTER)
return wayland_seat->master_pointer;
else if (capabilities == GDK_SEAT_CAPABILITY_KEYBOARD)
return wayland_seat->master_keyboard;
else if (capabilities == GDK_SEAT_CAPABILITY_TOUCH)
return wayland_seat->touch_master;
return NULL;
}
static GList *
gdk_wayland_seat_get_slaves (GdkSeat *seat,
GdkSeatCapabilities capabilities)
{
GdkWaylandSeat *wayland_seat = GDK_WAYLAND_SEAT (seat);
GList *slaves = NULL;
if (capabilities & GDK_SEAT_CAPABILITY_POINTER)
slaves = g_list_prepend (slaves, wayland_seat->pointer);
if (capabilities & GDK_SEAT_CAPABILITY_KEYBOARD)
slaves = g_list_prepend (slaves, wayland_seat->keyboard);
if (capabilities & GDK_SEAT_CAPABILITY_TOUCH)
slaves = g_list_prepend (slaves, wayland_seat->touch);
return slaves;
}
static void
gdk_wayland_seat_class_init (GdkWaylandSeatClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkSeatClass *seat_class = GDK_SEAT_CLASS (klass);
object_class->finalize = gdk_wayland_seat_finalize;
seat_class->get_capabilities = gdk_wayland_seat_get_capabilities;
seat_class->grab = gdk_wayland_seat_grab;
seat_class->ungrab = gdk_wayland_seat_ungrab;
seat_class->get_master = gdk_wayland_seat_get_master;
seat_class->get_slaves = gdk_wayland_seat_get_slaves;
}
static void
gdk_wayland_seat_init (GdkWaylandSeat *seat)
{
}
void
_gdk_wayland_device_manager_add_seat (GdkDeviceManager *device_manager,
guint32 id,
struct wl_seat *wl_seat)
{
GdkDisplay *display;
GdkWaylandDisplay *display_wayland;
GdkWaylandSeat *seat;
display = gdk_device_manager_get_display (device_manager);
display_wayland = GDK_WAYLAND_DISPLAY (display);
seat = g_object_new (GDK_TYPE_WAYLAND_SEAT,
"display", display,
NULL);
seat->id = id;
seat->keymap = _gdk_wayland_keymap_new ();
seat->display = display;
seat->device_manager = device_manager;
seat->touches = g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) g_free);
seat->foreign_dnd_window = create_foreign_dnd_window (display);
seat->wl_seat = wl_seat;
seat->pending_selection = GDK_NONE;
wl_seat_add_listener (seat->wl_seat, &seat_listener, seat);
wl_seat_set_user_data (seat->wl_seat, seat);
if (display_wayland->primary_selection_manager)
{
seat->primary_data_device =
gtk_primary_selection_device_manager_get_device (display_wayland->primary_selection_manager,
seat->wl_seat);
gtk_primary_selection_device_add_listener (seat->primary_data_device,
&primary_selection_device_listener, seat);
}
seat->data_device =
wl_data_device_manager_get_data_device (display_wayland->data_device_manager,
seat->wl_seat);
seat->drop_context = _gdk_wayland_drop_context_new (seat->data_device);
wl_data_device_add_listener (seat->data_device,
&data_device_listener, seat);
seat->current_output_scale = 1;
seat->pointer_surface =
wl_compositor_create_surface (display_wayland->compositor);
wl_surface_add_listener (seat->pointer_surface,
&pointer_surface_listener,
seat);
init_devices (seat);
gdk_display_add_seat (display, GDK_SEAT (seat));
}
void
_gdk_wayland_device_manager_remove_seat (GdkDeviceManager *manager,
guint32 id)
{
GdkDisplay *display = gdk_device_manager_get_display (manager);
GList *l, *seats;
seats = gdk_display_list_seats (display);
for (l = seats; l != NULL; l = l->next)
{
GdkWaylandSeat *seat = l->data;
if (seat->id != id)
continue;
gdk_display_remove_seat (display, GDK_SEAT (seat));
break;
}
g_list_free (seats);
}
static void
free_device (gpointer data)
{
g_object_unref (data);
}
static void
gdk_wayland_device_manager_finalize (GObject *object)
{
GdkWaylandDeviceManager *device_manager;
device_manager = GDK_WAYLAND_DEVICE_MANAGER (object);
g_list_free_full (device_manager->devices, free_device);
G_OBJECT_CLASS (gdk_wayland_device_manager_parent_class)->finalize (object);
}
static GList *
gdk_wayland_device_manager_list_devices (GdkDeviceManager *device_manager,
GdkDeviceType type)
{
GdkWaylandDeviceManager *wayland_device_manager;
GList *devices = NULL, *l;
wayland_device_manager = GDK_WAYLAND_DEVICE_MANAGER (device_manager);
for (l = wayland_device_manager->devices; l; l = l->next)
{
if (gdk_device_get_device_type (l->data) == type)
devices = g_list_prepend (devices, l->data);
}
return devices;
}
static GdkDevice *
gdk_wayland_device_manager_get_client_pointer (GdkDeviceManager *device_manager)
{
GdkWaylandDeviceManager *wayland_device_manager;
GdkWaylandDeviceData *wd;
GdkDevice *device;
wayland_device_manager = GDK_WAYLAND_DEVICE_MANAGER (device_manager);
/* Find the master pointer of the first GdkWaylandDeviceData we find */
device = wayland_device_manager->devices->data;
wd = GDK_WAYLAND_DEVICE (device)->device;
return wd->master_pointer;
}
static void
gdk_wayland_device_manager_class_init (GdkWaylandDeviceManagerClass *klass)
{
GdkDeviceManagerClass *device_manager_class = GDK_DEVICE_MANAGER_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gdk_wayland_device_manager_finalize;
device_manager_class->list_devices = gdk_wayland_device_manager_list_devices;
device_manager_class->get_client_pointer = gdk_wayland_device_manager_get_client_pointer;
}
static void
gdk_wayland_device_manager_init (GdkWaylandDeviceManager *device_manager)
{
}
GdkDeviceManager *
_gdk_wayland_device_manager_new (GdkDisplay *display)
{
return g_object_new (GDK_TYPE_WAYLAND_DEVICE_MANAGER,
"display", display,
NULL);
}
uint32_t
_gdk_wayland_device_get_implicit_grab_serial (GdkWaylandDevice *device,
const GdkEvent *event)
{
GdkEventSequence *sequence = NULL;
GdkWaylandTouchData *touch = NULL;
if (event)
sequence = gdk_event_get_event_sequence (event);
if (sequence)
touch = gdk_wayland_device_get_touch (device->device,
GDK_EVENT_SEQUENCE_TO_SLOT (sequence));
if (touch)
return touch->touch_down_serial;
else
return device->device->button_press_serial;
}
uint32_t
_gdk_wayland_seat_get_last_implicit_grab_serial (GdkSeat *seat,
GdkEventSequence **sequence)
{
GdkWaylandSeat *wayland_seat;
GdkWaylandTouchData *touch;
GHashTableIter iter;
uint32_t serial = 0;
wayland_seat = GDK_WAYLAND_SEAT (seat);
g_hash_table_iter_init (&iter, wayland_seat->touches);
if (sequence)
*sequence = NULL;
if (wayland_seat->button_press_serial > serial)
serial = wayland_seat->button_press_serial;
while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &touch))
{
if (touch->touch_down_serial > serial)
{
if (sequence)
*sequence = GDK_SLOT_TO_EVENT_SEQUENCE (touch->id);
serial = touch->touch_down_serial;
}
}
return serial;
}
void
gdk_wayland_device_unset_touch_grab (GdkDevice *gdk_device,
GdkEventSequence *sequence)
{
GdkWaylandDeviceData *device;
GdkWaylandTouchData *touch;
GdkEvent *event;
g_return_if_fail (GDK_IS_WAYLAND_DEVICE (gdk_device));
device = GDK_WAYLAND_DEVICE (gdk_device)->device;
touch = gdk_wayland_device_get_touch (device,
GDK_EVENT_SEQUENCE_TO_SLOT (sequence));
if (GDK_WAYLAND_DEVICE (device->touch_master)->emulating_touch == touch)
{
GDK_WAYLAND_DEVICE (device->touch_master)->emulating_touch = NULL;
emulate_touch_crossing (touch->window, NULL,
device->touch_master, device->touch,
touch, GDK_LEAVE_NOTIFY, GDK_CROSSING_NORMAL,
GDK_CURRENT_TIME);
}
event = _create_touch_event (device, touch, GDK_TOUCH_CANCEL,
GDK_CURRENT_TIME);
_gdk_wayland_display_deliver_event (device->display, event);
}
void
gdk_wayland_seat_set_global_cursor (GdkSeat *seat,
GdkCursor *cursor)
{
GdkWaylandSeat *wayland_seat = GDK_WAYLAND_SEAT (seat);
GdkDevice *pointer;
pointer = gdk_seat_get_pointer (seat);
g_set_object (&wayland_seat->grab_cursor, cursor);
gdk_wayland_device_set_window_cursor (pointer,
gdk_wayland_device_get_focus (pointer),
NULL);
}
struct wl_data_device *
gdk_wayland_device_get_data_device (GdkDevice *gdk_device)
{
g_return_val_if_fail (GDK_IS_WAYLAND_DEVICE (gdk_device), NULL);
return GDK_WAYLAND_DEVICE (gdk_device)->device->data_device;
}
void
gdk_wayland_device_set_selection (GdkDevice *gdk_device,
struct wl_data_source *source)
{
GdkWaylandDeviceData *device;
GdkWaylandDisplay *display_wayland;
g_return_if_fail (GDK_IS_WAYLAND_DEVICE (gdk_device));
device = GDK_WAYLAND_DEVICE (gdk_device)->device;
display_wayland = GDK_WAYLAND_DISPLAY (gdk_device_get_display (gdk_device));
wl_data_device_set_selection (device->data_device, source,
_gdk_wayland_display_get_serial (display_wayland));
}
void
gdk_wayland_seat_set_primary (GdkSeat *seat,
struct gtk_primary_selection_source *source)
{
GdkWaylandSeat *wayland_seat = GDK_WAYLAND_SEAT (seat);
GdkWaylandDisplay *display_wayland;
guint32 serial;
if (source)
{
display_wayland = GDK_WAYLAND_DISPLAY (gdk_seat_get_display (seat));
serial = _gdk_wayland_display_get_serial (display_wayland);
gtk_primary_selection_device_set_selection (wayland_seat->primary_data_device,
source, serial);
}
}
struct wl_seat *
gdk_wayland_seat_get_wl_seat (GdkSeat *seat)
{
g_return_val_if_fail (GDK_IS_WAYLAND_SEAT (seat), NULL);
return GDK_WAYLAND_SEAT (seat)->wl_seat;
}
GdkDragContext *
gdk_wayland_device_get_drop_context (GdkDevice *device)
{
GdkSeat *seat = gdk_device_get_seat (device);
return GDK_WAYLAND_SEAT (seat)->drop_context;
}
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