static guint
get_drop_action (NautilusTreeViewDragDest *dest,
GdkDragContext *context,
GtkTreePath *path)
{
char *drop_target;
int action;
if (!dest->details->have_drag_data ||
(dest->details->drag_type == NAUTILUS_ICON_DND_GNOME_ICON_LIST &&
dest->details->drag_list == NULL)) {
return 0;
}
drop_target = get_drop_target_uri_for_path (dest, path);
if (drop_target == NULL) {
return 0;
}
action = 0;
switch (dest->details->drag_type) {
case NAUTILUS_ICON_DND_GNOME_ICON_LIST :
nautilus_drag_default_drop_action_for_icons
(context,
drop_target,
dest->details->drag_list,
&action);
break;
case NAUTILUS_ICON_DND_NETSCAPE_URL:
action = nautilus_drag_default_drop_action_for_netscape_url (context);
break;
case NAUTILUS_ICON_DND_URI_LIST :
action = gdk_drag_context_get_suggested_action (context);
break;
case NAUTILUS_ICON_DND_TEXT:
case NAUTILUS_ICON_DND_RAW:
case NAUTILUS_ICON_DND_XDNDDIRECTSAVE:
action = GDK_ACTION_COPY;
break;
}
g_free (drop_target);
return action;
}
static gboolean
slot_proxy_drag_motion (GtkWidget *widget,
GdkDragContext *context,
int x,
int y,
unsigned int time,
gpointer user_data)
{
NautilusDragSlotProxyInfo *drag_info;
NautilusWindowSlot *target_slot;
GtkWidget *window;
GdkAtom target;
int action;
char *target_uri;
GFile *location;
gboolean valid_text_drag;
gboolean valid_xds_drag;
drag_info = user_data;
action = 0;
valid_text_drag = FALSE;
valid_xds_drag = FALSE;
if (gtk_drag_get_source_widget (context) == widget) {
goto out;
}
window = gtk_widget_get_toplevel (widget);
g_assert (NAUTILUS_IS_WINDOW (window));
if (!drag_info->have_data) {
target = gtk_drag_dest_find_target (widget, context, NULL);
if (target == GDK_NONE) {
goto out;
}
gtk_drag_get_data (widget, context, target, time);
}
target_uri = NULL;
if (drag_info->target_file != NULL) {
target_uri = nautilus_file_get_uri (drag_info->target_file);
} else {
if (drag_info->target_slot != NULL) {
target_slot = drag_info->target_slot;
} else {
target_slot = nautilus_window_get_active_slot (NAUTILUS_WINDOW (window));
}
if (target_slot != NULL) {
location = nautilus_window_slot_get_location (target_slot);
target_uri = g_file_get_uri (location);
}
}
if (target_uri != NULL) {
NautilusFile *file;
gboolean can;
file = nautilus_file_get_existing_by_uri (target_uri);
can = nautilus_file_can_write (file);
g_object_unref (file);
if (!can) {
action = 0;
goto out;
}
}
if (drag_info->have_data &&
drag_info->have_valid_data) {
if (drag_info->info == NAUTILUS_ICON_DND_GNOME_ICON_LIST) {
nautilus_drag_default_drop_action_for_icons (context, target_uri,
drag_info->data.selection_list,
0,
&action);
} else if (drag_info->info == NAUTILUS_ICON_DND_URI_LIST) {
action = nautilus_drag_default_drop_action_for_uri_list (context, target_uri);
} else if (drag_info->info == NAUTILUS_ICON_DND_NETSCAPE_URL) {
action = nautilus_drag_default_drop_action_for_netscape_url (context);
} else if (drag_info->info == NAUTILUS_ICON_DND_TEXT) {
valid_text_drag = TRUE;
} else if (drag_info->info == NAUTILUS_ICON_DND_XDNDDIRECTSAVE ||
drag_info->info == NAUTILUS_ICON_DND_RAW) {
valid_xds_drag = TRUE;
}
}
g_free (target_uri);
out:
if (action != 0 || valid_text_drag || valid_xds_drag) {
gtk_drag_highlight (widget);
slot_proxy_check_switch_location_timer (drag_info, widget);
} else {
gtk_drag_unhighlight (widget);
slot_proxy_remove_switch_location_timer (drag_info);
}
gdk_drag_status (context, action, time);
return TRUE;
}
static gboolean
slot_proxy_drag_motion (GtkWidget *widget,
GdkDragContext *context,
int x,
int y,
unsigned int time,
gpointer user_data)
{
NautilusDragSlotProxyInfo *drag_info;
NautilusWindowSlot *target_slot;
GtkWidget *window;
GdkAtom target;
int action;
char *target_uri;
drag_info = user_data;
action = 0;
if (gtk_drag_get_source_widget (context) == widget) {
goto out;
}
window = gtk_widget_get_toplevel (widget);
g_assert (NAUTILUS_IS_WINDOW (window));
if (!drag_info->have_data) {
target = gtk_drag_dest_find_target (widget, context, NULL);
if (target == GDK_NONE) {
goto out;
}
gtk_drag_get_data (widget, context, target, time);
}
target_uri = NULL;
if (drag_info->target_location != NULL) {
target_uri = g_file_get_uri (drag_info->target_location);
} else {
if (drag_info->target_slot != NULL) {
target_slot = drag_info->target_slot;
} else {
target_slot = nautilus_window_get_active_slot (NAUTILUS_WINDOW (window));
}
if (target_slot != NULL) {
target_uri = nautilus_window_slot_get_current_uri (target_slot);
}
}
if (drag_info->have_data &&
drag_info->have_valid_data) {
if (drag_info->info == NAUTILUS_ICON_DND_GNOME_ICON_LIST) {
nautilus_drag_default_drop_action_for_icons (context, target_uri,
drag_info->data.selection_list,
&action);
} else if (drag_info->info == NAUTILUS_ICON_DND_URI_LIST) {
action = nautilus_drag_default_drop_action_for_uri_list (context, target_uri);
} else if (drag_info->info == NAUTILUS_ICON_DND_NETSCAPE_URL) {
action = nautilus_drag_default_drop_action_for_netscape_url (context);
}
}
g_free (target_uri);
out:
if (action != 0) {
gtk_drag_highlight (widget);
} else {
gtk_drag_unhighlight (widget);
}
gdk_drag_status (context, action, time);
return TRUE;
}
