forked from AuroraMiddleware/gtk
133 lines
5.3 KiB
C
133 lines
5.3 KiB
C
/* GDK - The GIMP Drawing Kit
|
|
* Copyright (C) 2010 Red Hat, Inc.
|
|
*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __GDK_WIN32_DND_PRIVATE_H__
|
|
#define __GDK_WIN32_DND_PRIVATE_H__
|
|
|
|
#if !defined (__GDKWIN32_H_INSIDE__) && !defined (GTK_COMPILATION)
|
|
#error "Only <gdk/gdkwin32.h> can be included directly."
|
|
#endif
|
|
|
|
#include <gdk/gdk.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GdkWin32DragUtilityData GdkWin32DragUtilityData;
|
|
|
|
/* This structure is deliberately designed to be
|
|
* copyable with memcpy(), i.e. no pointers inside.
|
|
*/
|
|
struct _GdkWin32DragUtilityData
|
|
{
|
|
int last_x; /* Coordinates from last event, in GDK space */
|
|
int last_y;
|
|
DWORD last_key_state; /* Key state from last event */
|
|
GdkWin32DndState state;
|
|
};
|
|
|
|
struct _GdkWin32Drag
|
|
{
|
|
GdkDrag drag;
|
|
|
|
/* The drag protocol being used */
|
|
GdkDragProtocol protocol;
|
|
|
|
/* The surface used for grabs.
|
|
* Usually the same as GdkDrag->source_surface
|
|
*/
|
|
GdkSurface *grab_surface;
|
|
|
|
/* The window currently under cursor.
|
|
* Will be INVALID_HANDLE_VALUE (not NULL!) if it is not known
|
|
*/
|
|
HWND dest_window;
|
|
|
|
/* The surface that we move along with the cursor to indicate
|
|
* what exactly is being dragged.
|
|
*/
|
|
GdkSurface *drag_surface;
|
|
GdkCursor *cursor;
|
|
GdkSeat *grab_seat;
|
|
|
|
/* Used to keep track of current drag action, and
|
|
* emit an "action-changed" signal whenever it changes.
|
|
* In the end the actual action is decided on the basis of
|
|
* the last information we receive from the drop site, this
|
|
* field is not used for that purpose.
|
|
*/
|
|
GdkDragAction current_action;
|
|
|
|
GdkWin32DragUtilityData util_data;
|
|
|
|
guint scale; /* Temporarily caches the HiDPI scale */
|
|
int hot_x; /* Hotspot offset from the top-left of the drag-window, scaled (can be added to GDK space coordinates) */
|
|
int hot_y;
|
|
int start_x; /* Coordinates of the drag start, in GDK space */
|
|
int start_y;
|
|
|
|
guint drag_status : 4; /* Current status of drag */
|
|
guint drop_failed : 1; /* Whether the drop was unsuccessful */
|
|
guint handle_events : 1; /* Whether handle_event() should do anything */
|
|
};
|
|
|
|
struct _GdkWin32DragClass
|
|
{
|
|
GdkDragClass parent_class;
|
|
};
|
|
|
|
|
|
gpointer _gdk_win32_dnd_thread_main (gpointer data);
|
|
|
|
GdkDrag *_gdk_win32_find_drag_for_dest_window (HWND dest_window);
|
|
GdkDrop *_gdk_win32_get_drop_for_dest_surface (GdkSurface *dest);
|
|
|
|
gboolean _gdk_win32_local_drop_target_will_emit_motion (GdkDrop *drop,
|
|
int x_root,
|
|
int y_root,
|
|
DWORD grfKeyState);
|
|
|
|
void _gdk_win32_local_drop_target_dragenter (GdkDrag *drag,
|
|
GdkSurface *dest_surface,
|
|
int x_root,
|
|
int y_root,
|
|
DWORD grfKeyState,
|
|
guint32 time_,
|
|
GdkDragAction *actions);
|
|
void _gdk_win32_local_drop_target_dragover (GdkDrop *drop,
|
|
GdkDrag *drag,
|
|
int x_root,
|
|
int y_root,
|
|
DWORD grfKeyState,
|
|
guint32 time_,
|
|
GdkDragAction *actions);
|
|
void _gdk_win32_local_drop_target_dragleave (GdkDrop *drop,
|
|
guint32 time_);
|
|
void _gdk_win32_local_drop_target_drop (GdkDrop *drop,
|
|
GdkDrag *drag,
|
|
guint32 time_,
|
|
GdkDragAction *actions);
|
|
|
|
void _gdk_win32_local_drag_give_feedback (GdkDrag *drag,
|
|
GdkDragAction actions);
|
|
void _gdk_win32_local_drag_drop_response (GdkDrag *drag,
|
|
GdkDragAction action);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GDK_WIN32_DND_PRIVATE_H__ */
|