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wayland: Add basic API for setting and clearing the selection on the device

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This commit is contained in:
Rob Bradford 2012-01-13 15:05:00 +00:00
parent cd795de6bf
commit 368d6c50b7
2 changed files with 158 additions and 0 deletions
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145
gdk/wayland/gdkdevice-wayland.c
View File

@ -52,6 +52,8 @@ typedef struct _GdkWaylandDevice GdkWaylandDevice;
typedef struct _DataOffer DataOffer;
typedef struct _GdkWaylandSelectionOffer GdkWaylandSelectionOffer;
struct _GdkWaylandDevice
{
GdkDisplay *display;
@ -69,6 +71,8 @@ struct _GdkWaylandDevice
DataOffer *drag_offer;
DataOffer *selection_offer;
GdkWaylandSelectionOffer *selection_offer_out;
};
struct _GdkDeviceCore
@ -1071,3 +1075,144 @@ error:
return FALSE;
}
struct _GdkWaylandSelectionOffer {
GdkDeviceWaylandOfferContentCallback cb;
gpointer userdata;
struct wl_data_source *source;
GdkWaylandDevice *device;
};
static void
data_source_target (void *data,
struct wl_data_source *source,
const char *mime_type)
{
g_debug (G_STRLOC ": %s source = %p, mime_type = %s",
G_STRFUNC, source, mime_type);
}
static void
data_source_send (void *data,
struct wl_data_source *source,
const char *mime_type,
int32_t fd)
{
GdkWaylandSelectionOffer *offer = (GdkWaylandSelectionOffer *)data;;
const gchar *buf;
gssize len, bytes_written;
g_debug (G_STRLOC ": %s source = %p, mime_type = %s fd = %d",
G_STRFUNC, source, mime_type, fd);
buf = offer->cb (offer->device->pointer, mime_type, &len, offer->userdata);
while (len > 0)
{
bytes_written = write (fd, buf, len);
if (bytes_written == -1)
goto error;
len -= bytes_written;
}
close (fd);
return;
error:
g_warning (G_STRLOC ": Error writing data to client: %s",
g_strerror (errno));
close (fd);
}
static void
data_source_cancelled (void *data,
struct wl_data_source *source)
{
g_debug (G_STRLOC ": %s source = %p",
G_STRFUNC, source);
}
static const struct wl_data_source_listener data_source_listener = {
data_source_target,
data_source_send,
data_source_cancelled
};
static guint32
_wl_time_now (void)
{
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec * 1000 + tv.tv_usec / 1000;
}
gboolean
gdk_wayland_device_offer_selection_content (GdkDevice *gdk_device,
const gchar **mime_types,
gint nr_mime_types,
GdkDeviceWaylandOfferContentCallback cb,
gpointer userdata)
{
GdkDisplay *display;
GdkDisplayWayland *display_wayland;
GdkWaylandSelectionOffer *offer;
GdkWaylandDevice *device;
gint i;
g_return_val_if_fail (GDK_IS_DEVICE_CORE (gdk_device), 0);
device = GDK_DEVICE_CORE (gdk_device)->device;
display = device->display;
display_wayland = GDK_DISPLAY_WAYLAND (display);
offer = g_new0 (GdkWaylandSelectionOffer, 1);
offer->cb = cb;
offer->userdata = userdata;
offer->source =
wl_data_device_manager_create_data_source (display_wayland->data_device_manager);
offer->device = device;
for (i = 0; i < nr_mime_types; i++)
{
wl_data_source_offer (offer->source,
mime_types[i]);
}
wl_data_source_add_listener (offer->source,
&data_source_listener,
offer);
wl_data_device_set_selection (device->data_device,
offer->source,
_wl_time_now ());
device->selection_offer_out = offer;
return TRUE;
}
gboolean
gdk_wayland_device_clear_selection_content (GdkDevice *gdk_device)
{
GdkWaylandDevice *device;
g_return_val_if_fail (GDK_IS_DEVICE_CORE (gdk_device), 0);
device = GDK_DEVICE_CORE (gdk_device)->device;
if (!device->selection_offer_out)
return FALSE;
wl_data_device_set_selection (device->data_device,
NULL,
_wl_time_now ());
wl_data_source_destroy (device->selection_offer_out->source);
g_free (device->selection_offer_out);
device->selection_offer_out = NULL;
return TRUE;
}

13
gdk/wayland/gdkwayland.h
View File

@ -48,6 +48,19 @@ gdk_wayland_device_request_selection_content (GdkDevice
GdkDeviceWaylandRequestContentCallback cb,
gpointer userdata);
typedef const gchar *(*GdkDeviceWaylandOfferContentCallback) (GdkDevice *device, const gchar *mime_type, gssize *len, gpointer userdata);
#define gdk_wayland_device_offer_selection_content gdk_wayland_device_offer_selection_content_libgtk_only
gboolean
gdk_wayland_device_offer_selection_content (GdkDevice *gdk_device,
const gchar **mime_types,
gint nr_mime_types,
GdkDeviceWaylandOfferContentCallback cb,
gpointer userdata);
#define gdk_wayland_device_clear_selection_content gdk_wayland_device_clear_selection_content_libgtk_only
gboolean
gdk_wayland_device_clear_selection_content (GdkDevice *gdk_device);
#endif
G_END_DECLS