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wayland: Add GdkWaylandDevicePad

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This is a subclass of GdkWaylandDevice that implements GdkDevicePad,
all pad features are looked up from the info obtained through the
tablet v2 interface.

https://bugzilla.gnome.org/show_bug.cgi?id=770026
This commit is contained in:
Carlos Garnacho 2016-08-04 19:40:14 +02:00
parent feb09e384c
commit 82a46faf41
1 changed files with 166 additions and 0 deletions
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166
gdk/wayland/gdkdevice-wayland.c
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@ -29,6 +29,7 @@
#include "gdkwayland.h"
#include "gdkkeysyms.h"
#include "gdkdeviceprivate.h"
#include "gdkdevicepadprivate.h"
#include "gdkdevicetoolprivate.h"
#include "gdkdevicemanagerprivate.h"
#include "gdkseatprivate.h"
@ -45,6 +46,9 @@
#define BUTTON_BASE (BTN_LEFT - 1) /* Used to translate to 1-indexed buttons */
typedef struct _GdkWaylandDevicePad GdkWaylandDevicePad;
typedef struct _GdkWaylandDevicePadClass GdkWaylandDevicePadClass;
typedef struct _GdkWaylandTouchData GdkWaylandTouchData;
typedef struct _GdkWaylandPointerFrameData GdkWaylandPointerFrameData;
typedef struct _GdkWaylandPointerData GdkWaylandPointerData;
@ -257,6 +261,25 @@ struct _GdkWaylandDeviceClass
G_DEFINE_TYPE (GdkWaylandDevice, gdk_wayland_device, GDK_TYPE_DEVICE)
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))
#define GDK_TYPE_WAYLAND_DEVICE_PAD (gdk_wayland_device_pad_get_type ())
#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))
@ -349,6 +372,24 @@ gdk_wayland_device_manager_find_tablet (GdkWaylandSeat *seat,
return NULL;
}
static GdkWaylandTabletPadData *
gdk_wayland_device_manager_find_pad (GdkWaylandSeat *seat,
GdkDevice *device)
{
GList *l;
for (l = seat->tablet_pads; l; l = l->next)
{
GdkWaylandTabletPadData *pad = l->data;
if (pad->device == device)
return pad;
}
return NULL;
}
static gboolean
gdk_wayland_device_update_window_cursor (GdkDevice *device)
{
@ -831,6 +872,131 @@ gdk_wayland_device_init (GdkWaylandDevice *device_core)
_gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_Y, 0, 0, 1);
}
static gint
gdk_wayland_device_pad_get_n_groups (GdkDevicePad *pad)
{
GdkSeat *seat = gdk_device_get_seat (GDK_DEVICE (pad));
GdkWaylandTabletPadData *data;
data = gdk_wayland_device_manager_find_pad (GDK_WAYLAND_SEAT (seat),
GDK_DEVICE (pad));
g_assert (data != NULL);
return g_list_length (data->mode_groups);
}
static gint
gdk_wayland_device_pad_get_group_n_modes (GdkDevicePad *pad,
gint n_group)
{
GdkSeat *seat = gdk_device_get_seat (GDK_DEVICE (pad));
GdkWaylandTabletPadGroupData *group;
GdkWaylandTabletPadData *data;
data = gdk_wayland_device_manager_find_pad (GDK_WAYLAND_SEAT (seat),
GDK_DEVICE (pad));
g_assert (data != NULL);
group = g_list_nth_data (data->mode_groups, n_group);
if (!group)
return -1;
return group->n_modes;
}
static gint
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_device_manager_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 gint
gdk_wayland_device_pad_get_feature_group (GdkDevicePad *pad,
GdkDevicePadFeature feature,
gint idx)
{
GdkSeat *seat = gdk_device_get_seat (GDK_DEVICE (pad));
GdkWaylandTabletPadGroupData *group;
GdkWaylandTabletPadData *data;
GList *l;
gint i;
data = gdk_wayland_device_manager_find_pad (GDK_WAYLAND_SEAT (seat),
GDK_DEVICE (pad));
g_assert (data != NULL);
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)
{
}
/**
* gdk_wayland_device_get_wl_seat:
* @device: (type GdkWaylandDevice): a #GdkDevice