+2004-10-21 Matthias Clasen <mclasen@redhat.com>
+
+ Add convenience api for image dnd (#150165):
+
+ * gtk/gtkselection.h:
+ * gtk/gtkselection.c (gtk_target_list_add_image_targets)
+ (gtk_selection_data_set_pixbuf, gtk_selection_data_get_pixbuf):
+ New functions to handle the image formats readable/writable
+ by gdk-pixbuf.
+
+ * gtk/gtkdnd.h:
+ * gtk/gtkdnd.c (gtk_drag_dest_add_image_targets)
+ (gtk_drag_source_add_text_targets): New functions to handle
+ the image formats readable/writable by gdk-pixbuf.
+
2004-10-20 Matthias Clasen <mclasen@redhat.com>
* gtk/gtktreemodelfilter.c (gtk_tree_model_filter_new): Make
+2004-10-21 Matthias Clasen <mclasen@redhat.com>
+
+ Add convenience api for image dnd (#150165):
+
+ * gtk/gtkselection.h:
+ * gtk/gtkselection.c (gtk_target_list_add_image_targets)
+ (gtk_selection_data_set_pixbuf, gtk_selection_data_get_pixbuf):
+ New functions to handle the image formats readable/writable
+ by gdk-pixbuf.
+
+ * gtk/gtkdnd.h:
+ * gtk/gtkdnd.c (gtk_drag_dest_add_image_targets)
+ (gtk_drag_source_add_text_targets): New functions to handle
+ the image formats readable/writable by gdk-pixbuf.
+
2004-10-20 Matthias Clasen <mclasen@redhat.com>
* gtk/gtktreemodelfilter.c (gtk_tree_model_filter_new): Make
+2004-10-21 Matthias Clasen <mclasen@redhat.com>
+
+ Add convenience api for image dnd (#150165):
+
+ * gtk/gtkselection.h:
+ * gtk/gtkselection.c (gtk_target_list_add_image_targets)
+ (gtk_selection_data_set_pixbuf, gtk_selection_data_get_pixbuf):
+ New functions to handle the image formats readable/writable
+ by gdk-pixbuf.
+
+ * gtk/gtkdnd.h:
+ * gtk/gtkdnd.c (gtk_drag_dest_add_image_targets)
+ (gtk_drag_source_add_text_targets): New functions to handle
+ the image formats readable/writable by gdk-pixbuf.
+
2004-10-20 Matthias Clasen <mclasen@redhat.com>
* gtk/gtktreemodelfilter.c (gtk_tree_model_filter_new): Make
+2004-10-21 Matthias Clasen <mclasen@redhat.com>
+
+ Add convenience api for image dnd (#150165):
+
+ * gtk/gtkselection.h:
+ * gtk/gtkselection.c (gtk_target_list_add_image_targets)
+ (gtk_selection_data_set_pixbuf, gtk_selection_data_get_pixbuf):
+ New functions to handle the image formats readable/writable
+ by gdk-pixbuf.
+
+ * gtk/gtkdnd.h:
+ * gtk/gtkdnd.c (gtk_drag_dest_add_image_targets)
+ (gtk_drag_source_add_text_targets): New functions to handle
+ the image formats readable/writable by gdk-pixbuf.
+
2004-10-20 Matthias Clasen <mclasen@redhat.com>
* gtk/gtktreemodelfilter.c (gtk_tree_model_filter_new): Make
gtk_target_list_unref (target_list);
}
+/**
+ * gtk_drag_dest_add_image_targets:
+ * @widget: a #GtkWidget that's a drag destination
+ *
+ * Add the image targets supported by #GtkSelection to
+ * the target list of the drag destination.
+ *
+ * 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, FALSE);
+ gtk_drag_dest_set_target_list (widget, target_list);
+ gtk_target_list_unref (target_list);
+}
+
/*************************************************************
* _gtk_drag_dest_handle_event:
* Called from widget event handling code on Drag events
gtk_target_list_unref (target_list);
}
+/**
+ * gtk_drag_source_add_image_targets:
+ * @widget: a #GtkWidget that's is a drag source
+ *
+ * Add the writable image targets supported by #GtkSelection to
+ * the target list of the drag source.
+ *
+ * Since: 2.6
+ **/
+void
+gtk_drag_source_add_image_targets (GtkWidget *widget)
+{
+ GtkTargetList *target_list;
+
+ target_list = gtk_drag_source_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, TRUE);
+ gtk_drag_source_set_target_list (widget, target_list);
+ gtk_target_list_unref (target_list);
+}
+
static void
gtk_drag_source_unset_icon (GtkDragSourceSite *site)
{
void gtk_drag_dest_set_target_list (GtkWidget *widget,
GtkTargetList *target_list);
void gtk_drag_dest_add_text_targets (GtkWidget *widget);
+void gtk_drag_dest_add_image_targets (GtkWidget *widget);
/* Source side */
void gtk_drag_source_set_target_list (GtkWidget *widget,
GtkTargetList *target_list);
void gtk_drag_source_add_text_targets (GtkWidget *widget);
+void gtk_drag_source_add_image_targets (GtkWidget *widget);
void gtk_drag_source_set_icon (GtkWidget *widget,
GdkColormap *colormap,
#include "gtkalias.h"
#include "gtkmain.h"
#include "gtkselection.h"
+#include "gdk-pixbuf/gdk-pixbuf.h"
#ifdef GDK_WINDOWING_X11
#include "x11/gdkx.h"
gtk_target_list_add (list, text_plain_atom, 0, 0);
}
+/**
+ * gtk_target_list_add_image_targets:
+ * @list: a #GtkTargetList
+ * @writable: whether to add only targets for which GTK+ knows
+ * how to convert a pixbuf into the format
+ *
+ * Adds the image targets supported by #GtkSelection to
+ * the target list. The targets are added with both flags
+ * and info being zero.
+ *
+ * Since: 2.6
+ **/
+void
+gtk_target_list_add_image_targets (GtkTargetList *list,
+ gboolean writable)
+{
+ GSList *formats, *f;
+ gchar **mimes, **m;
+ GdkAtom atom;
+
+ g_return_if_fail (list != NULL);
+
+ formats = gdk_pixbuf_get_formats ();
+
+ for (f = formats; f; f = f->next)
+ {
+ GdkPixbufFormat *fmt = f->data;
+
+ if (writable && !gdk_pixbuf_format_is_writable (fmt))
+ continue;
+
+ mimes = gdk_pixbuf_format_get_mime_types (fmt);
+ for (m = mimes; *m; m++)
+ {
+ atom = gdk_atom_intern (*m, FALSE);
+ gtk_target_list_add (list, atom, 0, 0);
+ }
+ g_strfreev (mimes);
+ }
+
+ g_slist_free (formats);
+}
+
void
gtk_target_list_add_table (GtkTargetList *list,
const GtkTargetEntry *targets,
return result;
}
+/**
+ * gtk_selection_data_set_pixbuf:
+ * @selection_data: a #GtkSelectionData
+ * @pixbuf: a #GdkPixbuf
+ *
+ * Sets the contents of the selection from a #GdkPixbuf
+ * The pixbuf is converted to the form determined by
+ * @selection_data->target.
+ *
+ * Return value: %TRUE if the selection was successfully set,
+ * otherwise %FALSE.
+ *
+ * Since: 2.6
+ **/
+gboolean
+gtk_selection_data_set_pixbuf (GtkSelectionData *selection_data,
+ GdkPixbuf *pixbuf)
+{
+ GSList *formats, *f;
+ gchar **mimes, **m;
+ GdkAtom atom;
+ gboolean result;
+ gchar *str, *type;
+ gsize len;
+
+ formats = gdk_pixbuf_get_formats ();
+
+ for (f = formats; f; f = f->next)
+ {
+ GdkPixbufFormat *fmt = f->data;
+
+ mimes = gdk_pixbuf_format_get_mime_types (fmt);
+ for (m = mimes; *m; m++)
+ {
+ atom = gdk_atom_intern (*m, FALSE);
+ if (selection_data->target == atom)
+ {
+ str = NULL;
+ type = gdk_pixbuf_format_get_name (fmt),
+ result = gdk_pixbuf_save_to_buffer (pixbuf,
+ &str,
+ &len,
+ type,
+ NULL);
+ if (result)
+ gtk_selection_data_set (selection_data,
+ atom, 8, (guchar *)str, len);
+ g_free (type);
+ g_free (str);
+ g_strfreev (mimes);
+ g_slist_free (formats);
+
+ return result;
+ }
+ }
+
+ g_strfreev (mimes);
+ }
+
+ g_slist_free (formats);
+
+ return FALSE;
+}
+
+/**
+ * gtk_selection_data_get_pixbuf:
+ * @selection_data: a #GtkSelectionData
+ *
+ * Gets the contents of the selection data as a #GdkPixbuf.
+ *
+ * Return value: if the selection data contained a recognized
+ * image type and it could be converted to a #GdkPixbuf, a
+ * newly allocated pixbuf is returned, otherwise %NULL.
+ * If the result is non-%NULL it must be freed with g_object_unref().
+ *
+ * Since: 2.6
+ **/
+GdkPixbuf *
+gtk_selection_data_get_pixbuf (GtkSelectionData *selection_data)
+{
+ GdkPixbufLoader *loader;
+ GdkPixbuf *result = NULL;
+
+ loader = gdk_pixbuf_loader_new ();
+
+ if (gdk_pixbuf_loader_write (loader,
+ selection_data->data,
+ selection_data->length,
+ NULL))
+ result = gdk_pixbuf_loader_get_pixbuf (loader);
+
+ if (result)
+ g_object_ref (result);
+
+ gdk_pixbuf_loader_close (loader, NULL);
+ g_object_unref (loader);
+
+ return result;
+}
+
+
/**
* gtk_selection_data_get_targets:
* @selection_data: a #GtkSelectionData object
guint flags,
guint info);
void gtk_target_list_add_text_targets (GtkTargetList *list);
+void gtk_target_list_add_image_targets (GtkTargetList *list,
+ gboolean writable);
void gtk_target_list_add_table (GtkTargetList *list,
const GtkTargetEntry *targets,
guint ntargets);
const gchar *str,
gint len);
guchar * gtk_selection_data_get_text (GtkSelectionData *selection_data);
+gboolean gtk_selection_data_set_pixbuf (GtkSelectionData *selection_data,
+ GdkPixbuf *pixbuf);
+GdkPixbuf *gtk_selection_data_get_pixbuf (GtkSelectionData *selection_data);
gboolean gtk_selection_data_get_targets (GtkSelectionData *selection_data,
GdkAtom **targets,
projects / ~andy / gtk / commitdiff