forked from AuroraMiddleware/gtk
6dc8fc3a4d
Add an explicit GtkDropTarget object, and move the destination-side DND signals here. The object is used by connecting to its signals and attaching it to a widget with gtk_drop_target_attach().
163 lines
6.8 KiB
C
163 lines
6.8 KiB
C
/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
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/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __GTK_DRAG_DEST_H__
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#define __GTK_DRAG_DEST_H__
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#include <gtk/gtkselection.h>
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#include <gtk/gtkwidget.h>
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G_BEGIN_DECLS
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typedef struct _GtkDropTarget GtkDropTarget;
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/**
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* GtkDestDefaults:
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* @GTK_DEST_DEFAULT_MOTION: If set for a widget, GTK+, during a drag over this
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* widget will check if the drag matches this widget’s list of possible formats
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* and actions.
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* GTK+ will then call gdk_drag_status() as appropriate.
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* @GTK_DEST_DEFAULT_HIGHLIGHT: If set for a widget, GTK+ will draw a highlight on
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* this widget as long as a drag is over this widget and the widget drag format
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* and action are acceptable.
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* @GTK_DEST_DEFAULT_OP: If set for a widget, when a drop occurs, GTK+ will
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* will check if the drag matches this widget’s list of possible formats and
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* actions. If so, GTK+ will call gtk_drag_get_data() on behalf of the widget.
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* Whether or not the drop is successful, GTK+ will call gdk_drag_finish(). If
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* the action was a move, then if the drag was successful, then %TRUE will be
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* passed for the @delete parameter to gdk_drag_finish().
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* @GTK_DEST_DEFAULT_ALL: If set, specifies that all default actions should
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* be taken.
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*
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* The #GtkDestDefaults enumeration specifies the various
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* types of action that will be taken on behalf
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* of the user for a drag destination site.
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*/
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typedef enum {
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GTK_DEST_DEFAULT_MOTION = 1 << 0,
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GTK_DEST_DEFAULT_HIGHLIGHT = 1 << 1,
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GTK_DEST_DEFAULT_DROP = 1 << 2,
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GTK_DEST_DEFAULT_ALL = 0x07
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} GtkDestDefaults;
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GDK_AVAILABLE_IN_ALL
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GtkDropTarget *gtk_drag_dest_set (GtkWidget *widget,
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GtkDestDefaults flags,
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GdkContentFormats *targets,
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GdkDragAction actions);
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GDK_AVAILABLE_IN_ALL
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void gtk_drag_dest_unset (GtkWidget *widget);
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GDK_AVAILABLE_IN_ALL
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const char * gtk_drag_dest_find_target (GtkWidget *widget,
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GdkDrop *drop,
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GdkContentFormats *target_list);
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GDK_AVAILABLE_IN_ALL
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GdkContentFormats* gtk_drag_dest_get_target_list (GtkWidget *widget);
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GDK_AVAILABLE_IN_ALL
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void gtk_drag_dest_set_target_list (GtkWidget *widget,
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GdkContentFormats *target_list);
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GDK_AVAILABLE_IN_ALL
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void gtk_drag_dest_add_text_targets (GtkWidget *widget);
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GDK_AVAILABLE_IN_ALL
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void gtk_drag_dest_add_image_targets (GtkWidget *widget);
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GDK_AVAILABLE_IN_ALL
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void gtk_drag_dest_add_uri_targets (GtkWidget *widget);
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GDK_AVAILABLE_IN_ALL
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void gtk_drag_dest_set_track_motion (GtkWidget *widget,
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gboolean track_motion);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_drag_dest_get_track_motion (GtkWidget *widget);
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#define GTK_TYPE_DROP_TARGET (gtk_drop_target_get_type ())
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#define GTK_DROP_TARGET(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_DROP_TARGET, GtkDropTarget))
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#define GTK_DROP_TARGET_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GTK_TYPE_DROP_TARGET, GtkDropTargetClass))
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#define GTK_IS_DROP_TARGET(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_DROP_TARGET))
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#define GTK_IS_DROP_TARGET_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_DROP_TARGET))
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#define GTK_DROP_TARGET_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_DROP_TARGET, GtkDropTargetClass))
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typedef struct _GtkDropTargetClass GtkDropTargetClass;
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GDK_AVAILABLE_IN_ALL
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GType gtk_drop_target_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GtkDropTarget *gtk_drop_target_new (GtkDestDefaults defaults,
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GdkContentFormats *formats,
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GdkDragAction actions);
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GDK_AVAILABLE_IN_ALL
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void gtk_drop_target_set_formats (GtkDropTarget *dest,
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GdkContentFormats *formats);
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GDK_AVAILABLE_IN_ALL
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GdkContentFormats *gtk_drop_target_get_formats (GtkDropTarget *dest);
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GDK_AVAILABLE_IN_ALL
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void gtk_drop_target_set_actions (GtkDropTarget *dest,
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GdkDragAction actions);
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GDK_AVAILABLE_IN_ALL
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GdkDragAction gtk_drop_target_get_actions (GtkDropTarget *dest);
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GDK_AVAILABLE_IN_ALL
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void gtk_drop_target_set_defaults (GtkDropTarget *dest,
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GtkDestDefaults defaults);
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GDK_AVAILABLE_IN_ALL
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GtkDestDefaults gtk_drop_target_get_defaults (GtkDropTarget *dest);
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GDK_AVAILABLE_IN_ALL
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void gtk_drop_target_set_track_motion (GtkDropTarget *dest,
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gboolean track_motion);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_drop_target_get_track_motion (GtkDropTarget *dest);
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GDK_AVAILABLE_IN_ALL
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void gtk_drop_target_attach (GtkDropTarget *dest,
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GtkWidget *widget);
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GDK_AVAILABLE_IN_ALL
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void gtk_drop_target_detach (GtkDropTarget *dest);
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GDK_AVAILABLE_IN_ALL
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GdkDrop *gtk_drop_target_get_drop (GtkDropTarget *dest);
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GDK_AVAILABLE_IN_ALL
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GtkWidget *gtk_drop_target_get_target (GtkDropTarget *dest);
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GDK_AVAILABLE_IN_ALL
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const char *gtk_drop_target_find_mimetype (GtkDropTarget *dest);
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G_END_DECLS
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#endif /* __GTK_DRAG_DEST_H__ */
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