ROOT_528-00b_version: graf2d/win32gdk/gdk/src/gdk/gdkdnd.h Source File

00001 #ifndef __GDK_DND_H__
00002 #define __GDK_DND_H__
00003 
00004 #include <gdk/gdktypes.h>
00005 
00006 #ifdef __cplusplus
00007 extern "C" {
00008 #endif                          /* __cplusplus */
00009 
00010    typedef struct _GdkDragContext GdkDragContext;
00011 
00012    typedef enum {
00013       GDK_ACTION_DEFAULT = 1 << 0,
00014       GDK_ACTION_COPY = 1 << 1,
00015       GDK_ACTION_MOVE = 1 << 2,
00016       GDK_ACTION_LINK = 1 << 3,
00017       GDK_ACTION_PRIVATE = 1 << 4,
00018       GDK_ACTION_ASK = 1 << 5
00019    } GdkDragAction;
00020 
00021    typedef enum {
00022       GDK_DRAG_PROTO_MOTIF,
00023       GDK_DRAG_PROTO_XDND,
00024       GDK_DRAG_PROTO_ROOTWIN,   /* A root window with nobody claiming
00025                                  * drags */
00026       GDK_DRAG_PROTO_NONE,      /* Not a valid drag window */
00027       GDK_DRAG_PROTO_WIN32_DROPFILES,   /* The simple WM_DROPFILES dnd */
00028       GDK_DRAG_PROTO_OLE2,      /* The complex OLE2 dnd (not implemented) */
00029    } GdkDragProtocol;
00030 
00031 /* Structure that holds information about a drag in progress.
00032  * this is used on both source and destination sides.
00033  */
00034    struct _GdkDragContext {
00035       GdkDragProtocol protocol;
00036 
00037       gboolean is_source;
00038 
00039       GdkWindow *source_window;
00040       GdkWindow *dest_window;
00041 
00042       GList *targets;
00043       GdkDragAction actions;
00044       GdkDragAction suggested_action;
00045       GdkDragAction action;
00046 
00047       guint32 start_time;
00048    };
00049 
00050 /* Drag and Drop */
00051 
00052    GdkDragContext *gdk_drag_context_new(void);
00053    void gdk_drag_context_ref(GdkDragContext * context);
00054    void gdk_drag_context_unref(GdkDragContext * context);
00055 
00056 /* Destination side */
00057 
00058    void gdk_drag_status(GdkDragContext * context,
00059                         GdkDragAction action, guint32 time);
00060    void gdk_drop_reply(GdkDragContext * context,
00061                        gboolean ok, guint32 time);
00062    void gdk_drop_finish(GdkDragContext * context,
00063                         gboolean success, guint32 time);
00064    GdkAtom gdk_drag_get_selection(GdkDragContext * context);
00065 
00066 /* Source side */
00067 
00068    GdkDragContext *gdk_drag_begin(GdkWindow * window, GList * targets);
00069    guint32 gdk_drag_get_protocol(guint32 xid, GdkDragProtocol * protocol);
00070    void gdk_drag_find_window(GdkDragContext * context,
00071                              GdkWindow * drag_window,
00072                              gint x_root,
00073                              gint y_root,
00074                              GdkWindow ** dest_window,
00075                              GdkDragProtocol * protocol);
00076    gboolean gdk_drag_motion(GdkDragContext * context,
00077                             GdkWindow * dest_window,
00078                             GdkDragProtocol protocol,
00079                             gint x_root,
00080                             gint y_root,
00081                             GdkDragAction suggested_action,
00082                             GdkDragAction possible_actions, guint32 time);
00083    void gdk_drag_drop(GdkDragContext * context, guint32 time);
00084    void gdk_drag_abort(GdkDragContext * context, guint32 time);
00085 
00086 #ifdef __cplusplus
00087 }
00088 #endif                          /* __cplusplus */
00089 #endif  /* __GDK_DND_H__ */