1 /* GDK - The GIMP Drawing Kit 2 * Copyright (C) 2010, Red Hat, Inc 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef __GDK_DND_PRIVATE_H__ 19 #define __GDK_DND_PRIVATE_H__ 20 21 #include "gdkdnd.h" 22 23 G_BEGIN_DECLS 24 25 26 #define GDK_DRAG_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAG_CONTEXT, GdkDragContextClass)) 27 #define GDK_IS_DRAG_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAG_CONTEXT)) 28 #define GDK_DRAG_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAG_CONTEXT, GdkDragContextClass)) 29 30 typedef struct _GdkDragContextClass GdkDragContextClass; 31 32 33 struct _GdkDragContextClass { 34 GObjectClass parent_class; 35 36 GdkWindow * (*find_window) (GdkDragContext *context, 37 GdkWindow *drag_window, 38 GdkScreen *screen, 39 gint x_root, 40 gint y_root, 41 GdkDragProtocol *protocol); 42 GdkAtom (*get_selection) (GdkDragContext *context); 43 gboolean (*drag_motion) (GdkDragContext *context, 44 GdkWindow *dest_window, 45 GdkDragProtocol protocol, 46 gint root_x, 47 gint root_y, 48 GdkDragAction suggested_action, 49 GdkDragAction possible_actions, 50 guint32 time_); 51 void (*drag_status) (GdkDragContext *context, 52 GdkDragAction action, 53 guint32 time_); 54 void (*drag_abort) (GdkDragContext *context, 55 guint32 time_); 56 void (*drag_drop) (GdkDragContext *context, 57 guint32 time_); 58 void (*drop_reply) (GdkDragContext *context, 59 gboolean accept, 60 guint32 time_); 61 void (*drop_finish) (GdkDragContext *context, 62 gboolean success, 63 guint32 time_); 64 gboolean (*drop_status) (GdkDragContext *context); 65 GdkWindow* (*get_drag_window) (GdkDragContext *context); 66 void (*set_hotspot) (GdkDragContext *context, 67 gint hot_x, 68 gint hot_y); 69 void (*drop_done) (GdkDragContext *context, 70 gboolean success); 71 72 gboolean (*manage_dnd) (GdkDragContext *context, 73 GdkWindow *ipc_window, 74 GdkDragAction actions); 75 void (*set_cursor) (GdkDragContext *context, 76 GdkCursor *cursor); 77 void (*cancel) (GdkDragContext *context, 78 GdkDragCancelReason reason); 79 void (*drop_performed) (GdkDragContext *context, 80 guint32 time); 81 void (*dnd_finished) (GdkDragContext *context); 82 83 gboolean (*handle_event) (GdkDragContext *context, 84 const GdkEvent *event); 85 void (*action_changed) (GdkDragContext *context, 86 GdkDragAction action); 87 88 void (*commit_drag_status) (GdkDragContext *context); 89 }; 90 91 struct _GdkDragContext { 92 GObject parent_instance; 93 94 /*< private >*/ 95 GdkDragProtocol protocol; 96 97 GdkDisplay *display; 98 99 gboolean is_source; 100 GdkWindow *source_window; 101 GdkWindow *dest_window; 102 GdkWindow *drag_window; 103 104 GList *targets; 105 GdkDragAction actions; 106 GdkDragAction suggested_action; 107 GdkDragAction action; 108 109 guint32 start_time; 110 111 GdkDevice *device; 112 113 guint drop_done : 1; /* Whether gdk_drag_drop_done() was performed */ 114 }; 115 116 GList * gdk_drag_context_list (void); 117 118 void gdk_drag_context_set_cursor (GdkDragContext *context, 119 GdkCursor *cursor); 120 void gdk_drag_context_cancel (GdkDragContext *context, 121 GdkDragCancelReason reason); 122 gboolean gdk_drag_context_handle_source_event (GdkEvent *event); 123 gboolean gdk_drag_context_handle_dest_event (GdkEvent *event); 124 GdkCursor * gdk_drag_get_cursor (GdkDragContext *context, 125 GdkDragAction action); 126 127 G_END_DECLS 128 129 #endif 130