226 lines
8.7 KiB
C
226 lines
8.7 KiB
C
/* GDK - The GIMP Drawing Kit
|
|
*
|
|
* gdkselection-win32.h: Private Win32 specific selection object
|
|
*
|
|
* Copyright © 2017 LRN
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __GDK_SELECTION_WIN32_H__
|
|
#define __GDK_SELECTION_WIN32_H__
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define _gdk_win32_selection_get() (_win32_selection)
|
|
#define _gdk_atom_array_index(a, i) (g_array_index (a, GdkAtom, i))
|
|
#define _gdk_win32_selection_atom(i) (_gdk_atom_array_index (_gdk_win32_selection_get ()->known_atoms, i))
|
|
#define _gdk_cf_array_index(a, i) (g_array_index (a, UINT, i))
|
|
#define _gdk_win32_selection_cf(i) (_gdk_cf_array_index (_gdk_win32_selection_get ()->known_clipboard_formats, i))
|
|
|
|
/* Maps targets to formats or vice versa, depending on the
|
|
* semantics of the array that holds these.
|
|
* Also remembers whether the data needs to be transmuted.
|
|
*/
|
|
typedef struct {
|
|
gint format;
|
|
GdkAtom target;
|
|
gboolean transmute;
|
|
} GdkSelTargetFormat;
|
|
|
|
/* We emulate the GDK_SELECTION window properties of windows (as used
|
|
* in the X11 backend) by using a hash table from window handles to
|
|
* GdkSelProp structs.
|
|
*/
|
|
typedef struct {
|
|
guchar *data;
|
|
gsize length;
|
|
gint bitness;
|
|
GdkAtom target;
|
|
} GdkSelProp;
|
|
|
|
/* OLE-based DND state */
|
|
typedef enum {
|
|
GDK_WIN32_DND_NONE,
|
|
GDK_WIN32_DND_PENDING,
|
|
GDK_WIN32_DND_DROPPED,
|
|
GDK_WIN32_DND_FAILED,
|
|
GDK_WIN32_DND_DRAGGING,
|
|
} GdkWin32DndState;
|
|
|
|
enum _GdkWin32AtomIndex
|
|
{
|
|
/* GdkAtoms: properties, targets and types */
|
|
GDK_WIN32_ATOM_INDEX_GDK_SELECTION = 0,
|
|
GDK_WIN32_ATOM_INDEX_CLIPBOARD_MANAGER,
|
|
GDK_WIN32_ATOM_INDEX_WM_TRANSIENT_FOR,
|
|
GDK_WIN32_ATOM_INDEX_TARGETS,
|
|
GDK_WIN32_ATOM_INDEX_DELETE,
|
|
GDK_WIN32_ATOM_INDEX_SAVE_TARGETS,
|
|
GDK_WIN32_ATOM_INDEX_UTF8_STRING,
|
|
GDK_WIN32_ATOM_INDEX_TEXT,
|
|
GDK_WIN32_ATOM_INDEX_COMPOUND_TEXT,
|
|
GDK_WIN32_ATOM_INDEX_TEXT_URI_LIST,
|
|
GDK_WIN32_ATOM_INDEX_TEXT_HTML,
|
|
GDK_WIN32_ATOM_INDEX_IMAGE_PNG,
|
|
GDK_WIN32_ATOM_INDEX_IMAGE_JPEG,
|
|
GDK_WIN32_ATOM_INDEX_IMAGE_BMP,
|
|
GDK_WIN32_ATOM_INDEX_IMAGE_GIF,
|
|
/* DND selections */
|
|
GDK_WIN32_ATOM_INDEX_LOCAL_DND_SELECTION,
|
|
GDK_WIN32_ATOM_INDEX_DROPFILES_DND,
|
|
GDK_WIN32_ATOM_INDEX_OLE2_DND,
|
|
/* Clipboard formats */
|
|
GDK_WIN32_ATOM_INDEX_PNG,
|
|
GDK_WIN32_ATOM_INDEX_JFIF,
|
|
GDK_WIN32_ATOM_INDEX_GIF,
|
|
GDK_WIN32_ATOM_INDEX_CF_DIB,
|
|
GDK_WIN32_ATOM_INDEX_CFSTR_SHELLIDLIST,
|
|
GDK_WIN32_ATOM_INDEX_CF_TEXT,
|
|
GDK_WIN32_ATOM_INDEX_CF_UNICODETEXT,
|
|
GDK_WIN32_ATOM_INDEX_LAST
|
|
};
|
|
|
|
typedef enum _GdkWin32AtomIndex GdkWin32AtomIndex;
|
|
|
|
enum _GdkWin32CFIndex
|
|
{
|
|
GDK_WIN32_CF_INDEX_PNG = 0,
|
|
GDK_WIN32_CF_INDEX_JFIF,
|
|
GDK_WIN32_CF_INDEX_GIF,
|
|
GDK_WIN32_CF_INDEX_UNIFORMRESOURCELOCATORW,
|
|
GDK_WIN32_CF_INDEX_CFSTR_SHELLIDLIST,
|
|
GDK_WIN32_CF_INDEX_HTML_FORMAT,
|
|
GDK_WIN32_CF_INDEX_TEXT_HTML,
|
|
GDK_WIN32_CF_INDEX_IMAGE_PNG,
|
|
GDK_WIN32_CF_INDEX_IMAGE_JPEG,
|
|
GDK_WIN32_CF_INDEX_IMAGE_BMP,
|
|
GDK_WIN32_CF_INDEX_IMAGE_GIF,
|
|
GDK_WIN32_CF_INDEX_TEXT_URI_LIST,
|
|
GDK_WIN32_CF_INDEX_UTF8_STRING,
|
|
GDK_WIN32_CF_INDEX_LAST
|
|
};
|
|
|
|
typedef enum _GdkWin32CFIndex GdkWin32CFIndex;
|
|
|
|
#define GDK_TYPE_WIN32_SELECTION (gdk_win32_selection_get_type ())
|
|
#define GDK_WIN32_SELECTION(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GDK_TYPE_WIN32_SELECTION, GdkWin32Selection))
|
|
#define GDK_WIN32_SELECTION_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), GDK_TYPE_WIN32_SELECTION, GdkWin32SelectionClass))
|
|
#define GDK_IS_WIN32_SELECTION(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDK_TYPE_WIN32_SELECTION))
|
|
#define GDK_IS_WIN32_SELECTION_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GDK_TYPE_WIN32_SELECTION))
|
|
#define GDK_WIN32_SELECTION_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDK_TYPE_WIN32_SELECTION, GdkWin32SelectionClass))
|
|
|
|
typedef struct _GdkWin32Selection GdkWin32Selection;
|
|
typedef struct _GdkWin32SelectionClass GdkWin32SelectionClass;
|
|
|
|
/* This object is just a sink to hold all the selection- and dnd-related data
|
|
* that otherwise would be in global variables.
|
|
*/
|
|
struct _GdkWin32Selection
|
|
{
|
|
GObject parent_instance;
|
|
|
|
GHashTable *sel_prop_table;
|
|
GdkSelProp *dropfiles_prop;
|
|
/* We store the owner of each selection in this table. Obviously, this only
|
|
* is valid intra-app, and in fact it is necessary for the intra-app DND to work.
|
|
*/
|
|
GHashTable *sel_owner_table;
|
|
|
|
/* GdkAtoms for well-known image formats */
|
|
GdkAtom *known_pixbuf_formats;
|
|
int n_known_pixbuf_formats;
|
|
|
|
/* GArray of GdkAtoms for various known Selection and DnD strings.
|
|
* Size is guaranteed to be at least GDK_WIN32_ATOM_INDEX_LAST
|
|
*/
|
|
GArray *known_atoms;
|
|
|
|
/* GArray of UINTs for various known clipboard formats.
|
|
* Size is guaranteed to be at least GDK_WIN32_CF_INDEX_LAST.
|
|
*/
|
|
GArray *known_clipboard_formats;
|
|
|
|
GdkWin32DndState dnd_target_state;
|
|
GdkWin32DndState dnd_source_state;
|
|
|
|
/* Holds a reference to the data object for the target drop site.
|
|
*/
|
|
IDataObject *dnd_data_object_target;
|
|
|
|
/* Carries DnD target context from idroptarget_*() to convert_selection() */
|
|
GdkDragContext *target_drag_context;
|
|
|
|
/* Carries W32 format ID from idataobject_getdata() to property_change() */
|
|
UINT property_change_format;
|
|
/* Carries the W32-wrapped data between idataobject_getdata() and property_change() */
|
|
LPSTGMEDIUM property_change_data;
|
|
/* Carries the transmute field of the GdkSelTargetFormat from from idataobject_getdata() to property_change() */
|
|
gboolean property_change_transmute;
|
|
/* Carries the target atom from GDK_SELECTION_REQUEST issuer to property_change() */
|
|
GdkAtom property_change_target_atom;
|
|
|
|
/* TRUE when we are emptying the clipboard ourselves */
|
|
gboolean ignore_destroy_clipboard;
|
|
|
|
/* Array of GdkSelTargetFormats describing the targets supported by the clipboard selection */
|
|
GArray *clipboard_selection_targets;
|
|
|
|
/* Same for the DnD selection (applies for both LOCAL and OLE2 DnD) */
|
|
GArray *dnd_selection_targets;
|
|
|
|
/* If TRUE, then we queued a GDK_SELECTION_REQUEST with TARGETS
|
|
* target. This field is checked to prevent queueing
|
|
* multiple selection requests.
|
|
*/
|
|
gboolean targets_request_pending;
|
|
|
|
/* The handle that was given to OpenClipboard().
|
|
* NULL is a valid handle,
|
|
* INVALID_HANDLE_VALUE means that the clipboard is closed.
|
|
*/
|
|
HWND clipboard_opened_for;
|
|
|
|
/* A target-keyed hash table of GArrays of GdkSelTargetFormats describing compatibility formats for a target */
|
|
GHashTable *compatibility_formats;
|
|
/* A format-keyed hash table of GArrays of GdkAtoms describing compatibility targets for a format */
|
|
GHashTable *compatibility_targets;
|
|
};
|
|
|
|
struct _GdkWin32SelectionClass
|
|
{
|
|
GObjectClass parent_class;
|
|
};
|
|
|
|
GType gdk_win32_selection_get_type (void) G_GNUC_CONST;
|
|
|
|
void _gdk_win32_clear_clipboard_queue ();
|
|
gchar * _gdk_win32_get_clipboard_format_name (UINT fmt,
|
|
gboolean *is_predefined);
|
|
void _gdk_win32_add_format_to_targets (UINT format,
|
|
GArray *array,
|
|
GList **list);
|
|
gint _gdk_win32_add_target_to_selformats (GdkAtom target,
|
|
GArray *array);
|
|
void _gdk_win32_selection_property_change (GdkWin32Selection *win32_sel,
|
|
GdkWindow *window,
|
|
GdkAtom property,
|
|
GdkAtom type,
|
|
gint format,
|
|
GdkPropMode mode,
|
|
const guchar *data,
|
|
gint nelements);
|
|
|
|
#endif /* __GDK_SELECTION_WIN32_H__ */
|