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gtk2/gtk/gtkdnd.h
Colin Walters b90e8cfc36 gtkdnd: Add API that takes GIcon 
This will be useful for me to port gnome-panel to gnome-menus 4, which
uses GAppInfo, which in turn returns icon references as GIcon.

https://bugzilla.gnome.org/show_bug.cgi?id=649295
2011-05-03 12:53:46 -04:00

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/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_DND_H__
#define __GTK_DND_H__
#include <gtk/gtkwidget.h>
#include <gtk/gtkselection.h>
G_BEGIN_DECLS
/**
* GtkDestDefaults:
* @GTK_DEST_DEFAULT_MOTION: If set for a widget, GTK+, during a drag over this
* widget will check if the drag matches this widget's list of possible targets
* and actions.
* GTK+ will then call gdk_drag_status() as appropriate.
* @GTK_DEST_DEFAULT_HIGHLIGHT: If set for a widget, GTK+ will draw a highlight on
* this widget as long as a drag is over this widget and the widget drag format
* and action are acceptable.
* @GTK_DEST_DEFAULT_DROP: If set for a widget, when a drop occurs, GTK+ will
* will check if the drag matches this widget's list of possible targets and
* actions. If so, GTK+ will call gtk_drag_get_data() on behalf of the widget.
* Whether or not the drop is successful, GTK+ will call gtk_drag_finish(). If
* the action was a move, then if the drag was successful, then %TRUE will be
* passed for the @delete parameter to gtk_drag_finish().
* @GTK_DEST_DEFAULT_ALL: If set, specifies that all default actions should
* be taken.
*
* The #GtkDestDefaults enumeration specifies the various
* types of action that will be taken on behalf
* of the user for a drag destination site.
*/
typedef enum {
GTK_DEST_DEFAULT_MOTION = 1 << 0, /* respond to "drag_motion" */
GTK_DEST_DEFAULT_HIGHLIGHT = 1 << 1, /* auto-highlight */
GTK_DEST_DEFAULT_DROP = 1 << 2, /* respond to "drag_drop" */
GTK_DEST_DEFAULT_ALL = 0x07
} GtkDestDefaults;
/**
* GtkTargetFlags:
* @GTK_TARGET_SAME_APP: If this is set, the target will only be selected
* for drags within a single application.
* @GTK_TARGET_SAME_WIDGET: If this is set, the target will only be selected
* for drags within a single widget.
* @GTK_TARGET_OTHER_APP: If this is set, the target will not be selected
* for drags within a single application.
* @GTK_TARGET_OTHER_WIDGET: If this is set, the target will not be selected
* for drags withing a single widget.
*
* The #GtkTargetFlags enumeration is used to specify
* constraints on an entry in a #GtkTargetTable.
*/
typedef enum {
GTK_TARGET_SAME_APP = 1 << 0, /*< nick=same-app >*/
GTK_TARGET_SAME_WIDGET = 1 << 1, /*< nick=same-widget >*/
GTK_TARGET_OTHER_APP = 1 << 2, /*< nick=other-app >*/
GTK_TARGET_OTHER_WIDGET = 1 << 3 /*< nick=other-widget >*/
} GtkTargetFlags;
/* Destination side */
void gtk_drag_get_data (GtkWidget *widget,
GdkDragContext *context,
GdkAtom target,
guint32 time_);
void gtk_drag_finish (GdkDragContext *context,
gboolean success,
gboolean del,
guint32 time_);
GtkWidget *gtk_drag_get_source_widget (GdkDragContext *context);
void gtk_drag_highlight (GtkWidget *widget);
void gtk_drag_unhighlight (GtkWidget *widget);
void gtk_drag_dest_set (GtkWidget *widget,
GtkDestDefaults flags,
const GtkTargetEntry *targets,
gint n_targets,
GdkDragAction actions);
void gtk_drag_dest_set_proxy (GtkWidget *widget,
GdkWindow *proxy_window,
GdkDragProtocol protocol,
gboolean use_coordinates);
void gtk_drag_dest_unset (GtkWidget *widget);
GdkAtom gtk_drag_dest_find_target (GtkWidget *widget,
GdkDragContext *context,
GtkTargetList *target_list);
GtkTargetList* gtk_drag_dest_get_target_list (GtkWidget *widget);
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);
void gtk_drag_dest_add_uri_targets (GtkWidget *widget);
void gtk_drag_dest_set_track_motion (GtkWidget *widget,
gboolean track_motion);
gboolean gtk_drag_dest_get_track_motion (GtkWidget *widget);
/* Source side */
void gtk_drag_source_set (GtkWidget *widget,
GdkModifierType start_button_mask,
const GtkTargetEntry *targets,
gint n_targets,
GdkDragAction actions);
void gtk_drag_source_unset (GtkWidget *widget);
GtkTargetList* gtk_drag_source_get_target_list (GtkWidget *widget);
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_add_uri_targets (GtkWidget *widget);
void gtk_drag_source_set_icon_pixbuf (GtkWidget *widget,
GdkPixbuf *pixbuf);
void gtk_drag_source_set_icon_stock (GtkWidget *widget,
const gchar *stock_id);
void gtk_drag_source_set_icon_name (GtkWidget *widget,
const gchar *icon_name);
void gtk_drag_source_set_icon_gicon (GtkWidget *widget,
GIcon *icon);
/* There probably should be functions for setting the targets
* as a GtkTargetList
*/
GdkDragContext *gtk_drag_begin (GtkWidget *widget,
GtkTargetList *targets,
GdkDragAction actions,
gint button,
GdkEvent *event);
/* Set the image being dragged around
*/
void gtk_drag_set_icon_widget (GdkDragContext *context,
GtkWidget *widget,
gint hot_x,
gint hot_y);
void gtk_drag_set_icon_pixbuf (GdkDragContext *context,
GdkPixbuf *pixbuf,
gint hot_x,
gint hot_y);
void gtk_drag_set_icon_stock (GdkDragContext *context,
const gchar *stock_id,
gint hot_x,
gint hot_y);
void gtk_drag_set_icon_surface(GdkDragContext *context,
cairo_surface_t *surface);
void gtk_drag_set_icon_name (GdkDragContext *context,
const gchar *icon_name,
gint hot_x,
gint hot_y);
void gtk_drag_set_icon_gicon (GdkDragContext *context,
GIcon *icon,
gint hot_x,
gint hot_y);
void gtk_drag_set_icon_default (GdkDragContext *context);
gboolean gtk_drag_check_threshold (GtkWidget *widget,
gint start_x,
gint start_y,
gint current_x,
gint current_y);
/* Internal functions */
void _gtk_drag_source_handle_event (GtkWidget *widget,
GdkEvent *event);
void _gtk_drag_dest_handle_event (GtkWidget *toplevel,
GdkEvent *event);
G_END_DECLS
#endif /* __GTK_DND_H__ */
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