Learning_GTK4_tree/gdk/wayland/gdkdevicepad-wayland.c

267 lines
7.5 KiB
C

/* 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 "gdkwaylanddevice.h"
#include "gdkdevice-wayland-private.h"
#include "tablet-unstable-v2-client-protocol.h"
#include <gdk/gdkdevicepadprivate.h>
typedef struct _GdkWaylandDevicePad GdkWaylandDevicePad;
typedef struct _GdkWaylandDevicePadClass GdkWaylandDevicePadClass;
struct _GdkWaylandDevicePad
{
GdkWaylandDevice parent_instance;
};
struct _GdkWaylandDevicePadClass
{
GdkWaylandDeviceClass parent_class;
};
static void gdk_wayland_device_pad_iface_init (GdkDevicePadInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GdkWaylandDevicePad, gdk_wayland_device_pad,
GDK_TYPE_WAYLAND_DEVICE,
G_IMPLEMENT_INTERFACE (GDK_TYPE_DEVICE_PAD,
gdk_wayland_device_pad_iface_init))
static int
gdk_wayland_device_pad_get_n_groups (GdkDevicePad *pad)
{
GdkSeat *seat = gdk_device_get_seat (GDK_DEVICE (pad));
GdkWaylandTabletPadData *data;
data = gdk_wayland_seat_find_pad (GDK_WAYLAND_SEAT (seat),
GDK_DEVICE (pad));
#ifdef G_DISABLE_ASSERT
if (data == NULL)
return 0;
#else
g_assert (data != NULL);
#endif
return g_list_length (data->mode_groups);
}
static int
gdk_wayland_device_pad_get_group_n_modes (GdkDevicePad *pad,
int n_group)
{
GdkSeat *seat = gdk_device_get_seat (GDK_DEVICE (pad));
GdkWaylandTabletPadGroupData *group;
GdkWaylandTabletPadData *data;
data = gdk_wayland_seat_find_pad (GDK_WAYLAND_SEAT (seat),
GDK_DEVICE (pad));
#ifdef G_DISABLE_ASSERT
if (data == NULL)
return 0;
#else
g_assert (data != NULL);
#endif
group = g_list_nth_data (data->mode_groups, n_group);
if (!group)
return -1;
return group->n_modes;
}
static int
gdk_wayland_device_pad_get_n_features (GdkDevicePad *pad,
GdkDevicePadFeature feature)
{
GdkSeat *seat = gdk_device_get_seat (GDK_DEVICE (pad));
GdkWaylandTabletPadData *data;
data = gdk_wayland_seat_find_pad (GDK_WAYLAND_SEAT (seat),
GDK_DEVICE (pad));
g_assert (data != NULL);
switch (feature)
{
case GDK_DEVICE_PAD_FEATURE_BUTTON:
return data->n_buttons;
case GDK_DEVICE_PAD_FEATURE_RING:
return g_list_length (data->rings);
case GDK_DEVICE_PAD_FEATURE_STRIP:
return g_list_length (data->strips);
default:
return -1;
}
}
static int
gdk_wayland_device_pad_get_feature_group (GdkDevicePad *pad,
GdkDevicePadFeature feature,
int idx)
{
GdkSeat *seat = gdk_device_get_seat (GDK_DEVICE (pad));
GdkWaylandTabletPadGroupData *group;
GdkWaylandTabletPadData *data;
GList *l;
int i;
data = gdk_wayland_seat_find_pad (GDK_WAYLAND_SEAT (seat),
GDK_DEVICE (pad));
#ifdef G_DISABLE_ASSERT
if (data == NULL)
return -1;
#else
g_assert (data != NULL);
#endif
for (l = data->mode_groups, i = 0; l; l = l->next, i++)
{
group = l->data;
switch (feature)
{
case GDK_DEVICE_PAD_FEATURE_BUTTON:
if (g_list_find (group->buttons, GINT_TO_POINTER (idx)))
return i;
break;
case GDK_DEVICE_PAD_FEATURE_RING:
{
gpointer ring;
ring = g_list_nth_data (data->rings, idx);
if (ring && g_list_find (group->rings, ring))
return i;
break;
}
case GDK_DEVICE_PAD_FEATURE_STRIP:
{
gpointer strip;
strip = g_list_nth_data (data->strips, idx);
if (strip && g_list_find (group->strips, strip))
return i;
break;
}
default:
break;
}
}
return -1;
}
static void
gdk_wayland_device_pad_iface_init (GdkDevicePadInterface *iface)
{
iface->get_n_groups = gdk_wayland_device_pad_get_n_groups;
iface->get_group_n_modes = gdk_wayland_device_pad_get_group_n_modes;
iface->get_n_features = gdk_wayland_device_pad_get_n_features;
iface->get_feature_group = gdk_wayland_device_pad_get_feature_group;
}
static void
gdk_wayland_device_pad_class_init (GdkWaylandDevicePadClass *klass)
{
}
static void
gdk_wayland_device_pad_init (GdkWaylandDevicePad *pad)
{
}
static GdkWaylandTabletPadGroupData *
tablet_pad_lookup_button_group (GdkWaylandTabletPadData *pad,
uint32_t button)
{
GdkWaylandTabletPadGroupData *group;
GList *l;
for (l = pad->mode_groups; l; l = l->next)
{
group = l->data;
if (g_list_find (group->buttons, GUINT_TO_POINTER (button)))
return group;
}
return NULL;
}
/*<private>
* gdk_wayland_device_pad_set_feedback:
* @device: (type GdkWaylandDevice): a %GDK_SOURCE_TABLET_PAD device
* @feature: Feature to set the feedback label for
* @feature_idx: 0-indexed index of the feature to set the feedback label for
* @label: Feedback label
*
* Sets the feedback label for the given feature/index.
*
* This may be used by the compositor to provide user feedback
* of the actions available/performed.
*/
void
gdk_wayland_device_pad_set_feedback (GdkDevice *device,
GdkDevicePadFeature feature,
guint feature_idx,
const char *label)
{
GdkWaylandTabletPadData *pad;
GdkWaylandTabletPadGroupData *group;
GdkSeat *seat;
seat = gdk_device_get_seat (device);
pad = gdk_wayland_seat_find_pad (GDK_WAYLAND_SEAT (seat), device);
if (!pad)
return;
if (feature == GDK_DEVICE_PAD_FEATURE_BUTTON)
{
group = tablet_pad_lookup_button_group (pad, feature_idx);
if (!group)
return;
zwp_tablet_pad_v2_set_feedback (pad->wp_tablet_pad, feature_idx, label,
group->mode_switch_serial);
}
else if (feature == GDK_DEVICE_PAD_FEATURE_RING)
{
struct zwp_tablet_pad_ring_v2 *wp_pad_ring;
wp_pad_ring = g_list_nth_data (pad->rings, feature_idx);
if (!wp_pad_ring)
return;
group = zwp_tablet_pad_ring_v2_get_user_data (wp_pad_ring);
zwp_tablet_pad_ring_v2_set_feedback (wp_pad_ring, label,
group->mode_switch_serial);
}
else if (feature == GDK_DEVICE_PAD_FEATURE_STRIP)
{
struct zwp_tablet_pad_strip_v2 *wp_pad_strip;
wp_pad_strip = g_list_nth_data (pad->strips, feature_idx);
if (!wp_pad_strip)
return;
group = zwp_tablet_pad_strip_v2_get_user_data (wp_pad_strip);
zwp_tablet_pad_strip_v2_set_feedback (wp_pad_strip, label,
group->mode_switch_serial);
}
}