GtkTargetList* PasteboardHelper::targetListForDataObject(DataObjectGtk* dataObject, SmartPasteInclusion shouldInludeSmartPaste)
{
GtkTargetList* list = gtk_target_list_new(nullptr, 0);
if (dataObject->hasText())
gtk_target_list_add_text_targets(list, TargetTypeText);
if (dataObject->hasMarkup())
gtk_target_list_add(list, markupAtom, 0, TargetTypeMarkup);
if (dataObject->hasURIList()) {
gtk_target_list_add_uri_targets(list, TargetTypeURIList);
gtk_target_list_add(list, netscapeURLAtom, 0, TargetTypeNetscapeURL);
}
if (dataObject->hasImage())
gtk_target_list_add_image_targets(list, TargetTypeImage, TRUE);
if (dataObject->hasUnknownTypeData())
gtk_target_list_add(list, unknownAtom, 0, TargetTypeUnknown);
if (shouldInludeSmartPaste == IncludeSmartPaste)
gtk_target_list_add(list, smartPasteAtom, 0, TargetTypeSmartPaste);
return list;
}
static GtkTargetList *
gnm_soi_get_target_list (SheetObject const *so)
{
SheetObjectImage *soi = SHEET_OBJECT_IMAGE (so);
GtkTargetList *tl = gtk_target_list_new (NULL, 0);
char *mime_str = go_image_format_to_mime (soi->type);
GSList *mimes, *ptr;
GdkPixbuf *pixbuf;
mimes = go_strsplit_to_slist (mime_str, ',');
for (ptr = mimes; ptr != NULL; ptr = ptr->next) {
const char *mime = ptr->data;
if (mime != NULL && *mime != '\0')
gtk_target_list_add (tl, gdk_atom_intern (mime, FALSE),
0, 0);
}
g_free (mime_str);
go_slist_free_custom (mimes, g_free);
/* No need to eliminate duplicates. */
if ((pixbuf = soi_get_pixbuf (soi, 1.0)) != NULL) {
gtk_target_list_add_image_targets (tl, 0, TRUE);
g_object_unref (pixbuf);
}
return tl;
}
void Ctrl::DndTargets(GdkDragContext *context)
{
static Index<String> text_targets;
static Index<String> image_targets;
ONCELOCK {
GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
gtk_target_list_add_text_targets (target_list, 0);
ToIndex(target_list, text_targets);
GtkTargetList *target_list2 = gtk_target_list_new (NULL, 0);
gtk_target_list_add_image_targets (target_list2, 0, TRUE);
ToIndex(target_list2, image_targets);
}
dnd_targets.Clear();
dnd_text_target.Clear();
for(GList *list = gdk_drag_context_list_targets(context); list; list = g_list_next (list)) {
String g = gdk_atom_name((GdkAtom)list->data);
if(text_targets.Find(g) >= 0) {
dnd_targets.Add("text");
if(dnd_text_target.IsEmpty())
dnd_text_target = g;
}
else if(image_targets.Find(g) >= 0) {
dnd_targets.Add("image");
if(dnd_image_target.IsEmpty())
dnd_image_target = g;
}
else
dnd_targets.Add(g);
}
}
void PasteboardHelper::initializeTargetList()
{
gtk_target_list_add_text_targets(m_targetList, getIdForTargetType(TargetTypeText));
gtk_target_list_add(m_targetList, markupAtom, 0, getIdForTargetType(TargetTypeMarkup));
gtk_target_list_add_uri_targets(m_targetList, getIdForTargetType(TargetTypeURIList));
gtk_target_list_add(m_targetList, netscapeURLAtom, 0, getIdForTargetType(TargetTypeNetscapeURL));
gtk_target_list_add_image_targets(m_targetList, getIdForTargetType(TargetTypeImage), TRUE);
}
/**
* gtk_drag_dest_add_image_targets: (method)
* @widget: a #GtkWidget that’s a drag destination
*
* Add the image targets supported by #GtkSelectionData to
* the target list of the drag destination. The targets
* are added with @info = 0. If you need another value,
* use gtk_target_list_add_image_targets() and
* gtk_drag_dest_set_target_list().
*
* Since: 2.6
*/
void
gtk_drag_dest_add_image_targets (GtkWidget *widget)
{
GtkTargetList *target_list;
target_list = gtk_drag_dest_get_target_list (widget);
if (target_list)
gtk_target_list_ref (target_list);
else
target_list = gtk_target_list_new (NULL, 0);
gtk_target_list_add_image_targets (target_list, 0, FALSE);
gtk_drag_dest_set_target_list (widget, target_list);
gtk_target_list_unref (target_list);
}
static void
update_dest_target_list (GtkWidget *ebox)
{
GtkTargetList *target_list;
target_list = gtk_target_list_new (NULL, 0);
gtk_target_list_add_image_targets (target_list, TARGET_IMAGE, FALSE);
gtk_target_list_add_text_targets (target_list, TARGET_TEXT);
gtk_drag_dest_set_target_list (ebox, target_list);
gtk_target_list_unref (target_list);
}
static void add_target_from_jstring(JNIEnv *env, GtkTargetList *list, jstring string)
{
const char *gstring = env->GetStringUTFChars(string, NULL);
if (g_strcmp0(gstring, "text/plain") == 0) {
gtk_target_list_add_text_targets(list, 0);
} else if (g_strcmp0(gstring, "application/x-java-rawimage") == 0) {
gtk_target_list_add_image_targets(list, 0, TRUE);
} else if (g_strcmp0(gstring, "application/x-java-file-list") == 0) {
gtk_target_list_add(list, MIME_TEXT_URI_LIST_TARGET, 0, 0);
} else {
gtk_target_list_add(list, gdk_atom_intern(gstring, FALSE), 0, 0);
}
env->ReleaseStringUTFChars(string, gstring);
}
static void
update_source_target_list (GtkWidget *ebox, GtkWidget *image)
{
GtkTargetList *target_list;
target_list = gtk_target_list_new (NULL, 0);
gtk_target_list_add_image_targets (target_list, TARGET_IMAGE, FALSE);
if (gtk_image_get_storage_type (GTK_IMAGE (image)) == GTK_IMAGE_ICON_NAME)
gtk_target_list_add_text_targets (target_list, TARGET_TEXT);
gtk_drag_source_set_target_list (ebox, target_list);
gtk_target_list_unref (target_list);
}
PasteboardHelper::PasteboardHelper()
: m_targetList(adoptGRef(gtk_target_list_new(nullptr, 0)))
{
textPlainAtom = gdk_atom_intern_static_string("text/plain;charset=utf-8");
markupAtom = gdk_atom_intern_static_string("text/html");
netscapeURLAtom = gdk_atom_intern_static_string("_NETSCAPE_URL");
uriListAtom = gdk_atom_intern_static_string("text/uri-list");
smartPasteAtom = gdk_atom_intern_static_string("application/vnd.webkitgtk.smartpaste");
unknownAtom = gdk_atom_intern_static_string("application/vnd.webkitgtk.unknown");
gtk_target_list_add_text_targets(m_targetList.get(), PasteboardHelper::TargetTypeText);
gtk_target_list_add(m_targetList.get(), markupAtom, 0, PasteboardHelper::TargetTypeMarkup);
gtk_target_list_add_uri_targets(m_targetList.get(), PasteboardHelper::TargetTypeURIList);
gtk_target_list_add(m_targetList.get(), netscapeURLAtom, 0, PasteboardHelper::TargetTypeNetscapeURL);
gtk_target_list_add_image_targets(m_targetList.get(), PasteboardHelper::TargetTypeImage, TRUE);
gtk_target_list_add(m_targetList.get(), unknownAtom, 0, PasteboardHelper::TargetTypeUnknown);
}
void DragClient::startDrag(DragImageRef image, const IntPoint& dragImageOrigin, const IntPoint& eventPos, Clipboard*, Frame* frame, bool linkDrag)
{
Element* targetElement = frame->document()->elementFromPoint(m_startPos.x(), m_startPos.y());
bool imageDrag = false;
if (targetElement)
imageDrag = targetElement->renderer()->isImage();
GdkAtom textHtml = gdk_atom_intern_static_string("text/html");
GdkAtom netscapeUrl = gdk_atom_intern_static_string("_NETSCAPE_URL");
GtkTargetList* targetList = gtk_target_list_new(NULL, 0);
gtk_target_list_add(targetList, textHtml, 0, WEBKIT_WEB_VIEW_TARGET_INFO_HTML);
gtk_target_list_add_text_targets(targetList, WEBKIT_WEB_VIEW_TARGET_INFO_TEXT);
if (linkDrag || imageDrag) {
gtk_target_list_add(targetList, netscapeUrl, 0, WEBKIT_WEB_VIEW_TARGET_INFO_NETSCAPE_URL);
gtk_target_list_add_uri_targets(targetList, WEBKIT_WEB_VIEW_TARGET_INFO_URI_LIST);
}
if (imageDrag)
gtk_target_list_add_image_targets(targetList, WEBKIT_WEB_VIEW_TARGET_INFO_IMAGE, false);
GdkDragAction dragAction = GDK_ACTION_COPY;
if (linkDrag) {
dragAction = GDK_ACTION_LINK;
if (imageDrag)
dragAction = (GdkDragAction)(dragAction | GDK_ACTION_COPY);
}
GdkEvent* event = gdk_event_new(GDK_BUTTON_PRESS);
reinterpret_cast<GdkEventButton*>(event)->window = gtk_widget_get_window(GTK_WIDGET(m_webView));
reinterpret_cast<GdkEventButton*>(event)->time = GDK_CURRENT_TIME;
GdkDragContext* context = gtk_drag_begin(GTK_WIDGET(m_webView),
targetList, dragAction, 1, event);
g_object_ref(context);
if (image)
gtk_drag_set_icon_pixbuf(context, image, eventPos.x() - dragImageOrigin.x(), eventPos.y() - dragImageOrigin.y());
else
gtk_drag_set_icon_default(context);
gtk_target_list_unref(targetList);
}
Vector<GdkAtom> PasteboardHelper::dropAtomsForContext(GtkWidget* widget, GdkDragContext* context)
{
// Always search for these common atoms.
Vector<GdkAtom> dropAtoms;
dropAtoms.append(textPlainAtom);
dropAtoms.append(markupAtom);
dropAtoms.append(uriListAtom);
dropAtoms.append(netscapeURLAtom);
// For images, try to find the most applicable image type.
PlatformRefPtr<GtkTargetList> list(gtk_target_list_new(0, 0));
gtk_target_list_add_image_targets(list.get(), getIdForTargetType(TargetTypeImage), TRUE);
GdkAtom atom = gtk_drag_dest_find_target(widget, context, list.get());
if (atom != GDK_NONE)
dropAtoms.append(atom);
return dropAtoms;
}
void Ctrl::DndTargets(GdkDragContext *context)
{
static Index<String> text_targets;
static Index<String> image_targets;
static Index<String> files_targets;
ONCELOCK {
GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
gtk_target_list_add_text_targets(target_list, 0);
ToIndex(target_list, text_targets);
GtkTargetList *target_list2 = gtk_target_list_new (NULL, 0);
gtk_target_list_add_image_targets(target_list2, 0, TRUE);
ToIndex(target_list2, image_targets);
GtkTargetList *target_list3 = gtk_target_list_new (NULL, 0);
gtk_target_list_add_uri_targets(target_list3, 0);
ToIndex(target_list3, files_targets);
}
dnd_targets.Clear();
dnd_text_target.Clear();
#if GTK_CHECK_VERSION(2,22,0) // No drag&drop support before 2.22, sorry...
for(GList *list = gdk_drag_context_list_targets(context); list; list = g_list_next (list)) {
String g = gdk_atom_name((GdkAtom)list->data);
if(text_targets.Find(g) >= 0) {
dnd_targets.Add("text");
if(dnd_text_target.IsEmpty())
dnd_text_target = g;
}
else
if(image_targets.Find(g) >= 0) {
dnd_targets.Add("image");
if(dnd_image_target.IsEmpty())
dnd_image_target = g;
}
else
if(files_targets.Find(g) >= 0) {
dnd_targets.Add("files");
if(dnd_files_target.IsEmpty())
dnd_files_target = g;
}
else
dnd_targets.Add(g);
}
#endif
}
GtkTargetList* PasteboardHelper::targetListForDataObject(DataObjectGtk* dataObject)
{
GtkTargetList* list = gtk_target_list_new(0, 0);
if (dataObject->hasText())
gtk_target_list_add_text_targets(list, getIdForTargetType(TargetTypeText));
if (dataObject->hasMarkup())
gtk_target_list_add(list, markupAtom, 0, getIdForTargetType(TargetTypeMarkup));
if (dataObject->hasURIList()) {
gtk_target_list_add_uri_targets(list, getIdForTargetType(TargetTypeURIList));
gtk_target_list_add(list, netscapeURLAtom, 0, getIdForTargetType(TargetTypeNetscapeURL));
}
if (dataObject->hasImage())
gtk_target_list_add_image_targets(list, getIdForTargetType(TargetTypeImage), TRUE);
return list;
}
void selection_to_clip(void)
{
struct XojSelectionData *sel;
int bufsz, nitems, val;
char *p;
GList *list;
struct Item *item;
GtkTargetList *targetlist;
GtkTargetEntry *targets;
int n_targets;
if (ui.selection == NULL) return;
bufsz = 2*sizeof(int) // bufsz, nitems
+ sizeof(struct BBox); // bbox
nitems = 0;
for (list = ui.selection->items; list != NULL; list = list->next) {
item = (struct Item *)list->data;
nitems++;
if (item->type == ITEM_STROKE) {
bufsz+= sizeof(int) // type
+ sizeof(struct Brush) // brush
+ sizeof(int) // num_points
+ 2*item->path->num_points*sizeof(double); // the points
if (item->brush.variable_width)
bufsz += (item->path->num_points-1)*sizeof(double); // the widths
}
else if (item->type == ITEM_TEXT) {
bufsz+= sizeof(int) // type
+ sizeof(struct Brush) // brush
+ 2*sizeof(double) // bbox upper-left
+ sizeof(int) // text len
+ strlen(item->text)+1 // text
+ sizeof(int) // font_name len
+ strlen(item->font_name)+1 // font_name
+ sizeof(double); // font_size
}
else if (item->type == ITEM_IMAGE) {
if (item->image_png == NULL) {
set_cursor_busy(TRUE);
if (!gdk_pixbuf_save_to_buffer(item->image, &item->image_png, &item->image_png_len, "png", NULL, NULL))
item->image_png_len = 0; // failed for some reason, so forget it
set_cursor_busy(FALSE);
}
bufsz+= sizeof(int) // type
+ sizeof(struct BBox)
+ sizeof(gsize) // png_buflen
+ item->image_png_len;
}
else bufsz+= sizeof(int); // type
}
// allocate selection data structure and buffer
sel = g_malloc(sizeof(struct XojSelectionData));
sel->xo_data_len = bufsz;
sel->xo_data = g_malloc(bufsz);
sel->image_data = NULL;
sel->text_data = NULL;
// fill in the data
p = sel->xo_data;
g_memmove(p, &bufsz, sizeof(int)); p+= sizeof(int);
g_memmove(p, &nitems, sizeof(int)); p+= sizeof(int);
g_memmove(p, &ui.selection->bbox, sizeof(struct BBox)); p+= sizeof(struct BBox);
for (list = ui.selection->items; list != NULL; list = list->next) {
item = (struct Item *)list->data;
g_memmove(p, &item->type, sizeof(int)); p+= sizeof(int);
if (item->type == ITEM_STROKE) {
g_memmove(p, &item->brush, sizeof(struct Brush)); p+= sizeof(struct Brush);
g_memmove(p, &item->path->num_points, sizeof(int)); p+= sizeof(int);
g_memmove(p, item->path->coords, 2*item->path->num_points*sizeof(double));
p+= 2*item->path->num_points*sizeof(double);
if (item->brush.variable_width) {
g_memmove(p, item->widths, (item->path->num_points-1)*sizeof(double));
p+= (item->path->num_points-1)*sizeof(double);
}
}
if (item->type == ITEM_TEXT) {
g_memmove(p, &item->brush, sizeof(struct Brush)); p+= sizeof(struct Brush);
g_memmove(p, &item->bbox.left, sizeof(double)); p+= sizeof(double);
g_memmove(p, &item->bbox.top, sizeof(double)); p+= sizeof(double);
val = strlen(item->text);
g_memmove(p, &val, sizeof(int)); p+= sizeof(int);
g_memmove(p, item->text, val+1); p+= val+1;
val = strlen(item->font_name);
g_memmove(p, &val, sizeof(int)); p+= sizeof(int);
g_memmove(p, item->font_name, val+1); p+= val+1;
g_memmove(p, &item->font_size, sizeof(double)); p+= sizeof(double);
if (nitems==1) sel->text_data = g_strdup(item->text); // single text item
}
if (item->type == ITEM_IMAGE) {
g_memmove(p, &item->bbox, sizeof(struct BBox)); p+= sizeof(struct BBox);
g_memmove(p, &item->image_png_len, sizeof(gsize)); p+= sizeof(gsize);
if (item->image_png_len > 0) {
g_memmove(p, item->image_png, item->image_png_len); p+= item->image_png_len;
}
if (nitems==1) sel->image_data = gdk_pixbuf_copy(item->image); // single image
}
}
/* build list of valid targets */
targetlist = gtk_target_list_new(NULL, 0);
gtk_target_list_add(targetlist,
gdk_atom_intern(XOURNAL_TARGET_ATOM, FALSE), 0, TARGET_XOURNAL);
if (sel->image_data!=NULL)
gtk_target_list_add_image_targets(targetlist, TARGET_PIXBUF, TRUE);
if (sel->text_data!=NULL)
gtk_target_list_add_text_targets(targetlist, TARGET_TEXT);
targets = gtk_target_table_new_from_list(targetlist, &n_targets);
gtk_target_list_unref(targetlist);
gtk_clipboard_set_with_data(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
targets, n_targets,
callback_clipboard_get, callback_clipboard_clear, sel);
gtk_target_table_free(targets, n_targets);
}
static VALUE
rg_add_image_targets(VALUE self, VALUE info, VALUE writable)
{
gtk_target_list_add_image_targets(_SELF(self), NUM2UINT(info), RVAL2CBOOL(writable));
return self;
}
NS_IMETHODIMP
nsClipboard::SetData(nsITransferable *aTransferable,
nsIClipboardOwner *aOwner, PRInt32 aWhichClipboard)
{
// See if we can short cut
if ((aWhichClipboard == kGlobalClipboard &&
aTransferable == mGlobalTransferable.get() &&
aOwner == mGlobalOwner.get()) ||
(aWhichClipboard == kSelectionClipboard &&
aTransferable == mSelectionTransferable.get() &&
aOwner == mSelectionOwner.get())) {
return NS_OK;
}
nsresult rv;
if (!mPrivacyHandler) {
rv = NS_NewClipboardPrivacyHandler(getter_AddRefs(mPrivacyHandler));
NS_ENSURE_SUCCESS(rv, rv);
}
rv = mPrivacyHandler->PrepareDataForClipboard(aTransferable);
NS_ENSURE_SUCCESS(rv, rv);
// Clear out the clipboard in order to set the new data
EmptyClipboard(aWhichClipboard);
// List of suported targets
GtkTargetList *list = gtk_target_list_new(NULL, 0);
// Get the types of supported flavors
nsCOMPtr<nsISupportsArray> flavors;
rv = aTransferable->FlavorsTransferableCanExport(getter_AddRefs(flavors));
if (!flavors || NS_FAILED(rv))
return NS_ERROR_FAILURE;
// Add all the flavors to this widget's supported type.
PRBool imagesAdded = PR_FALSE;
PRUint32 count;
flavors->Count(&count);
for (PRUint32 i=0; i < count; i++) {
nsCOMPtr<nsISupports> tastesLike;
flavors->GetElementAt(i, getter_AddRefs(tastesLike));
nsCOMPtr<nsISupportsCString> flavor = do_QueryInterface(tastesLike);
if (flavor) {
nsXPIDLCString flavorStr;
flavor->ToString(getter_Copies(flavorStr));
// special case text/unicode since we can handle all of
// the string types
if (!strcmp(flavorStr, kUnicodeMime)) {
gtk_target_list_add(list, gdk_atom_intern("UTF8_STRING", FALSE), 0, 0);
gtk_target_list_add(list, gdk_atom_intern("COMPOUND_TEXT", FALSE), 0, 0);
gtk_target_list_add(list, gdk_atom_intern("TEXT", FALSE), 0, 0);
gtk_target_list_add(list, GDK_SELECTION_TYPE_STRING, 0, 0);
continue;
}
if (flavorStr.EqualsLiteral(kNativeImageMime) ||
flavorStr.EqualsLiteral(kPNGImageMime) ||
flavorStr.EqualsLiteral(kJPEGImageMime) ||
flavorStr.EqualsLiteral(kGIFImageMime)) {
// don't bother adding image targets twice
if (!imagesAdded) {
// accept any writable image type
gtk_target_list_add_image_targets(list, 0, TRUE);
imagesAdded = PR_TRUE;
}
continue;
}
// Add this to our list of valid targets
GdkAtom atom = gdk_atom_intern(flavorStr, FALSE);
gtk_target_list_add(list, atom, 0, 0);
}
}
// Get GTK clipboard (CLIPBOARD or PRIMARY)
GtkClipboard *gtkClipboard = gtk_clipboard_get(GetSelectionAtom(aWhichClipboard));
gint numTargets;
GtkTargetEntry *gtkTargets = gtk_target_table_new_from_list(list, &numTargets);
// Set getcallback and request to store data after an application exit
if (gtk_clipboard_set_with_data(gtkClipboard, gtkTargets, numTargets,
clipboard_get_cb, clipboard_clear_cb, this))
{
// We managed to set-up the clipboard so update internal state
// We have to set it now because gtk_clipboard_set_with_data() calls clipboard_clear_cb()
// which reset our internal state
if (aWhichClipboard == kSelectionClipboard) {
mSelectionOwner = aOwner;
mSelectionTransferable = aTransferable;
}
else {
mGlobalOwner = aOwner;
mGlobalTransferable = aTransferable;
gtk_clipboard_set_can_store(gtkClipboard, gtkTargets, numTargets);
}
rv = NS_OK;
}
else {
rv = NS_ERROR_FAILURE;
}
gtk_target_table_free(gtkTargets, numTargets);
gtk_target_list_unref(list);
return rv;
}
