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