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authorTor Lillqvist <tml@src.gnome.org>1999-11-10 00:04:17 +0000
committerTor Lillqvist <tml@src.gnome.org>1999-11-10 00:04:17 +0000
commit84477de7fcc559a85506c603315ea8927be831d1 (patch)
treec6dad2e2cea14806b577e199142a4e555ca7e0e0 /gdk/win32/gdkdnd-win32.c
parent78141c328fc16852f88d22e0ce3fb98ea5114a5d (diff)
downloadgdk-pixbuf-84477de7fcc559a85506c603315ea8927be831d1.tar.gz
Just renamed the Win32 backend files to *-win32.
Diffstat (limited to 'gdk/win32/gdkdnd-win32.c')
-rw-r--r--gdk/win32/gdkdnd-win32.c973
1 files changed, 0 insertions, 973 deletions
diff --git a/gdk/win32/gdkdnd-win32.c b/gdk/win32/gdkdnd-win32.c
deleted file mode 100644
index da6da4bb5..000000000
--- a/gdk/win32/gdkdnd-win32.c
+++ /dev/null
@@ -1,973 +0,0 @@
-/* GDK - The GIMP Drawing Kit
- * Copyright (C) 1995-1999 Peter Mattis, Spencer Kimball and Josh MacDonald
- * Copyright (C) 1998-1999 Tor Lillqvist
- *
- * 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, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*
- * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
- * file for a list of people on the GTK+ Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-#include "config.h"
-
-#include <string.h>
-
-/* #define OLE2_DND */
-
-#define INITGUID
-
-#include "gdkdnd.h"
-#include "gdkproperty.h"
-#include "gdkprivate.h"
-#include "gdkx.h"
-
-#ifdef OLE2_DND
-#include <ole2.h>
-#else
-#include <objbase.h>
-#endif
-
-#ifdef _MSC_VER /* These aren't in mingw32 */
-#include <shlobj.h>
-#include <shlguid.h>
-#endif
-
-#ifndef _MSC_VER
-static IID IID_IUnknown = {
- 0x00000000, 0x0000, 0x0000, { 0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 } };
-static IID IID_IDropSource = {
- 0x00000121, 0x0000, 0x0000, { 0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 } };
-static IID IID_IDropTarget = {
- 0x00000122, 0x0000, 0x0000, { 0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 } };
-#endif
-
-#include <gdk/gdk.h>
-
-typedef struct _GdkDragContextPrivate GdkDragContextPrivate;
-
-typedef enum {
- GDK_DRAG_STATUS_DRAG,
- GDK_DRAG_STATUS_MOTION_WAIT,
- GDK_DRAG_STATUS_ACTION_WAIT,
- GDK_DRAG_STATUS_DROP
-} GtkDragStatus;
-
-typedef enum {
- GDK_DRAG_SOURCE,
- GDK_DRAG_TARGET
-} GdkDragKind;
-
-#ifdef OLE2_DND
-
-#define PRINT_GUID(guid) \
- g_print ("guid = %.08x-%.04x-%.04x-%.02x%.02x-%.02x%.02x%.02x%.02x%.02x%.02x", \
- ((gulong *) guid)[0], \
- ((gushort *) guid)[2], \
- ((gushort *) guid)[3], \
- ((guchar *) guid)[8], \
- ((guchar *) guid)[9], \
- ((guchar *) guid)[10], \
- ((guchar *) guid)[11], \
- ((guchar *) guid)[12], \
- ((guchar *) guid)[13], \
- ((guchar *) guid)[14], \
- ((guchar *) guid)[15]);
-
-
-#endif /* OLE2_DND */
-
-/* Structure that holds information about a drag in progress.
- * this is used on both source and destination sides.
- */
-struct _GdkDragContextPrivate {
- GdkDragContext context;
-
- guint ref_count;
-
- guint16 last_x; /* Coordinates from last event */
- guint16 last_y;
- HWND dest_xid;
- guint drag_status; /* Current status of drag */
-};
-
-GdkDragContext *current_dest_drag = NULL;
-
-/* Drag Contexts */
-
-static GList *contexts;
-
-GdkDragContext *
-gdk_drag_context_new (void)
-{
- GdkDragContextPrivate *result;
-
- result = g_new0 (GdkDragContextPrivate, 1);
-
- result->ref_count = 1;
-
- contexts = g_list_prepend (contexts, result);
-
- return (GdkDragContext *)result;
-}
-
-void
-gdk_drag_context_ref (GdkDragContext *context)
-{
- g_return_if_fail (context != NULL);
-
- ((GdkDragContextPrivate *)context)->ref_count++;
-}
-
-void
-gdk_drag_context_unref (GdkDragContext *context)
-{
- GdkDragContextPrivate *private = (GdkDragContextPrivate *)context;
-
- g_return_if_fail (context != NULL);
-
- private->ref_count--;
-
- GDK_NOTE (DND, g_print ("gdk_drag_context_unref: %d%s\n",
- private->ref_count,
- (private->ref_count == 0 ? " freeing" : "")));
-
- if (private->ref_count == 0)
- {
- g_dataset_destroy (private);
-
- g_list_free (context->targets);
-
- if (context->source_window)
- gdk_window_unref (context->source_window);
-
- if (context->dest_window)
- gdk_window_unref (context->dest_window);
-
- contexts = g_list_remove (contexts, private);
- g_free (private);
- }
-}
-
-#if 0
-
-static GdkDragContext *
-gdk_drag_context_find (gboolean is_source,
- HWND source_xid,
- HWND dest_xid)
-{
- GList *tmp_list = contexts;
- GdkDragContext *context;
-
- while (tmp_list)
- {
- context = (GdkDragContext *)tmp_list->data;
-
- if ((!context->is_source == !is_source) &&
- ((source_xid == None) || (context->source_window &&
- (GDK_WINDOW_XWINDOW (context->source_window) == source_xid))) &&
- ((dest_xid == None) || (context->dest_window &&
- (GDK_WINDOW_XWINDOW (context->dest_window) == dest_xid))))
- return context;
-
- tmp_list = tmp_list->next;
- }
-
- return NULL;
-}
-
-#endif
-
-typedef struct {
-#ifdef OLE2_DND
- IDropTarget idt;
-#endif
- GdkDragContext *context;
-} target_drag_context;
-
-typedef struct {
-#ifdef OLE2_DND
- IDropSource ids;
-#endif
- GdkDragContext *context;
-} source_drag_context;
-
-#ifdef OLE2_DND
-
-static ULONG STDMETHODCALLTYPE
-m_add_ref_target (IDropTarget __RPC_FAR *This)
-{
- target_drag_context *ctx = (target_drag_context *) This;
- GdkDragContextPrivate *private = (GdkDragContextPrivate *) ctx->context;
-
- GDK_NOTE (DND, g_print ("m_add_ref_target\n"));
- gdk_drag_context_ref (ctx->context);
-
- return private->ref_count;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_query_interface_target (IDropTarget __RPC_FAR *This,
- REFIID riid,
- void __RPC_FAR *__RPC_FAR *ppvObject)
-{
- GDK_NOTE (DND, g_print ("m_query_interface_target\n"));
-
- *ppvObject = NULL;
-
- PRINT_GUID (riid);
-
- if (IsEqualGUID (riid, &IID_IUnknown))
- {
- g_print ("...IUnknown\n");
- m_add_ref_target (This);
- *ppvObject = This;
- return S_OK;
- }
- else if (IsEqualGUID (riid, &IID_IDropTarget))
- {
- g_print ("...IDropTarget\n");
- m_add_ref_target (This);
- *ppvObject = This;
- return S_OK;
- }
- else
- {
- g_print ("...Huh?\n");
- return E_NOINTERFACE;
- }
-}
-
-static ULONG STDMETHODCALLTYPE
-m_release_target (IDropTarget __RPC_FAR *This)
-{
- target_drag_context *ctx = (target_drag_context *) This;
- GdkDragContextPrivate *private = (GdkDragContextPrivate *) ctx->context;
-
- GDK_NOTE (DND, g_print ("m_release_target\n"));
- gdk_drag_context_unref (ctx->context);
-
- if (private->ref_count == 1)
- {
- gdk_drag_context_unref (ctx->context);
- return 0;
- }
- else
- return private->ref_count - 1;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_drag_enter (IDropTarget __RPC_FAR *This,
- IDataObject __RPC_FAR *pDataObj,
- DWORD grfKeyState,
- POINTL pt,
- DWORD __RPC_FAR *pdwEffect)
-{
- GDK_NOTE (DND, g_print ("m_drag_enter\n"));
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_drag_over (IDropTarget __RPC_FAR *This,
- DWORD grfKeyState,
- POINTL pt,
- DWORD __RPC_FAR *pdwEffect)
-{
- GDK_NOTE (DND, g_print ("m_drag_over\n"));
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_drag_leave (IDropTarget __RPC_FAR *This)
-{
- GDK_NOTE (DND, g_print ("m_drag_leave\n"));
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_drop (IDropTarget __RPC_FAR *This,
- IDataObject __RPC_FAR *pDataObj,
- DWORD grfKeyState,
- POINTL pt,
- DWORD __RPC_FAR *pdwEffect)
-{
- GDK_NOTE (DND, g_print ("m_drop\n"));
- return E_UNEXPECTED;
-}
-
-static ULONG STDMETHODCALLTYPE
-m_add_ref_source (IDropSource __RPC_FAR *This)
-{
- source_drag_context *ctx = (source_drag_context *) This;
- GdkDragContextPrivate *private = (GdkDragContextPrivate *) ctx->context;
-
- GDK_NOTE (DND, g_print ("m_add_ref_source\n"));
- gdk_drag_context_ref (ctx->context);
-
- return private->ref_count;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_query_interface_source (IDropSource __RPC_FAR *This,
- REFIID riid,
- void __RPC_FAR *__RPC_FAR *ppvObject)
-{
- GDK_NOTE (DND, g_print ("m_query_interface_source\n"));
-
- *ppvObject = NULL;
-
- PRINT_GUID (riid);
- if (IsEqualGUID (riid, &IID_IUnknown))
- {
- g_print ("...IUnknown\n");
- m_add_ref_source (This);
- *ppvObject = This;
- return S_OK;
- }
- else if (IsEqualGUID (riid, &IID_IDropSource))
- {
- g_print ("...IDropSource\n");
- m_add_ref_source (This);
- *ppvObject = This;
- return S_OK;
- }
- else
- {
- g_print ("...Huh?\n");
- return E_NOINTERFACE;
- }
-}
-
-static ULONG STDMETHODCALLTYPE
-m_release_source (IDropSource __RPC_FAR *This)
-{
- source_drag_context *ctx = (source_drag_context *) This;
- GdkDragContextPrivate *private = (GdkDragContextPrivate *) ctx->context;
-
- GDK_NOTE (DND, g_print ("m_release_source\n"));
- gdk_drag_context_unref (ctx->context);
-
- if (private->ref_count == 1)
- {
- gdk_drag_context_unref (ctx->context);
- return 0;
- }
- else
- return private->ref_count - 1;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_query_continue_drag (IDropSource __RPC_FAR *This,
- BOOL fEscapePressed,
- DWORD grfKeyState)
-{
- GDK_NOTE (DND, g_print ("m_query_continue_drag\n"));
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_give_feedback (IDropSource __RPC_FAR *This,
- DWORD dwEffect)
-{
- GDK_NOTE (DND, g_print ("m_give_feedback\n"));
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_query_interface_object (IDataObject __RPC_FAR *This,
- REFIID riid,
- void __RPC_FAR *__RPC_FAR *ppvObject)
-{
- return E_UNEXPECTED;
-}
-
-static ULONG STDMETHODCALLTYPE
-m_add_ref_object (IDataObject __RPC_FAR *This)
-{
- return E_UNEXPECTED;
-}
-
-static ULONG STDMETHODCALLTYPE
-m_release_object (IDataObject __RPC_FAR *This)
-{
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_get_data (IDataObject __RPC_FAR *This,
- FORMATETC *pFormatEtc,
- STGMEDIUM *pMedium)
-{
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_get_data_here (IDataObject __RPC_FAR *This,
- FORMATETC *pFormatEtc,
- STGMEDIUM *pMedium)
-{
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_query_get_data (IDataObject __RPC_FAR *This,
- FORMATETC *pFormatEtc)
-{
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_get_canonical_format_etc (IDataObject __RPC_FAR *This,
- FORMATETC *pFormatEtcIn,
- FORMATETC *pFormatEtcOut)
-{
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_set_data (IDataObject __RPC_FAR *This,
- FORMATETC *pFormatEtc,
- STGMEDIUM *pMedium,
- BOOL fRelease)
-{
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_enum_format_etc (IDataObject __RPC_FAR *This,
- DWORD dwDirection,
- IEnumFORMATETC **ppEnumFormatEtc)
-{
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
- m_d_advise (IDataObject __RPC_FAR *This,
- FORMATETC *pFormatetc,
- DWORD advf,
- IAdviseSink *pAdvSink,
- DWORD *pdwConnection)
-{
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
- m_d_unadvise (IDataObject __RPC_FAR *This,
- DWORD dwConnection)
-{
- return E_UNEXPECTED;
-}
-
-static HRESULT STDMETHODCALLTYPE
-m_enum_d_advise (IDataObject __RPC_FAR *This,
- IEnumSTATDATA **ppenumAdvise)
-{
- return E_UNEXPECTED;
-}
-
-static IDropTargetVtbl idt_vtbl = {
- m_query_interface_target,
- m_add_ref_target,
- m_release_target,
- m_drag_enter,
- m_drag_over,
- m_drag_leave,
- m_drop
-};
-
-static IDropSourceVtbl ids_vtbl = {
- m_query_interface_source,
- m_add_ref_source,
- m_release_source,
- m_query_continue_drag,
- m_give_feedback
-};
-
-static IDataObjectVtbl ido_vtbl = {
- m_query_interface_object,
- m_add_ref_object,
- m_release_object,
- m_get_data,
- m_get_data_here,
- m_query_get_data,
- m_get_canonical_format_etc,
- m_set_data,
- m_enum_format_etc,
- m_d_advise,
- m_d_unadvise,
- m_enum_d_advise
-};
-
-#endif /* OLE2_DND */
-
-static target_drag_context *
-target_context_new (void)
-{
- target_drag_context *result;
-
- result = g_new0 (target_drag_context, 1);
-
-#ifdef OLE2_DND
- result->idt.lpVtbl = &idt_vtbl;
-#endif
-
- result->context = gdk_drag_context_new ();
-
- return result;
-}
-
-static source_drag_context *
-source_context_new (void)
-{
- source_drag_context *result;
-
- result = g_new0 (source_drag_context, 1);
-
-#ifdef OLE2_DND
- result->ids.lpVtbl = &ids_vtbl;
-#endif
-
- result->context = gdk_drag_context_new ();
-
- return result;
-}
-
-#ifdef _MSC_VER
-
-/* From MS Knowledge Base article Q130698 */
-
-/* resolve_link() fills the filename and path buffer
- * with relevant information
- * hWnd - calling app's window handle.
- *
- * lpszLinkName - name of the link file passed into the function.
- *
- * lpszPath - the buffer that will receive the file pathname.
- */
-
-static HRESULT
-resolve_link(HWND hWnd,
- LPCTSTR lpszLinkName,
- LPSTR lpszPath,
- LPSTR lpszDescription)
-{
- HRESULT hres;
- IShellLink *psl;
- WIN32_FIND_DATA wfd;
-
- /* Assume Failure to start with: */
- *lpszPath = 0;
- if (lpszDescription)
- *lpszDescription = 0;
-
- /* Call CoCreateInstance to obtain the IShellLink interface
- * pointer. This call fails if CoInitialize is not called, so it is
- * assumed that CoInitialize has been called.
- */
-
- hres = CoCreateInstance (&CLSID_ShellLink,
- NULL,
- CLSCTX_INPROC_SERVER,
- &IID_IShellLink,
- (LPVOID *)&psl);
- if (SUCCEEDED (hres))
- {
- IPersistFile *ppf;
-
- /* The IShellLink interface supports the IPersistFile
- * interface. Get an interface pointer to it.
- */
- hres = psl->lpVtbl->QueryInterface (psl,
- &IID_IPersistFile,
- (LPVOID *) &ppf);
- if (SUCCEEDED (hres))
- {
- WORD wsz[MAX_PATH];
-
- /* Convert the given link name string to wide character string. */
- MultiByteToWideChar (CP_ACP, 0,
- lpszLinkName,
- -1, wsz, MAX_PATH);
- /* Load the file. */
- hres = ppf->lpVtbl->Load (ppf, wsz, STGM_READ);
- if (SUCCEEDED (hres))
- {
- /* Resolve the link by calling the Resolve()
- * interface function.
- */
- hres = psl->lpVtbl->Resolve(psl, hWnd,
- SLR_ANY_MATCH |
- SLR_NO_UI);
- if (SUCCEEDED (hres))
- {
- hres = psl->lpVtbl->GetPath (psl, lpszPath,
- MAX_PATH,
- (WIN32_FIND_DATA*)&wfd,
- 0);
-
- if (SUCCEEDED (hres) && lpszDescription != NULL)
- {
- hres = psl->lpVtbl->GetDescription (psl,
- lpszDescription,
- MAX_PATH );
-
- if (!SUCCEEDED (hres))
- return FALSE;
- }
- }
- }
- ppf->lpVtbl->Release (ppf);
- }
- psl->lpVtbl->Release (psl);
- }
- return SUCCEEDED (hres);
-}
-
-#else
-
-#define resolve_link(hWnd, lpszLinkName, lpszPath, lpszDescription) FALSE
-
-#endif
-
-static GdkFilterReturn
-gdk_dropfiles_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- GdkDragContext *context;
- GdkDragContextPrivate *private;
- static GdkAtom text_uri_list_atom = GDK_NONE;
- GString *result;
- MSG *msg = (MSG *) xev;
- HANDLE hdrop;
- POINT pt;
- gint nfiles, i, k;
- guchar fileName[MAX_PATH], linkedFile[MAX_PATH];
-
- if (text_uri_list_atom == GDK_NONE)
- text_uri_list_atom = gdk_atom_intern ("text/uri-list", FALSE);
-
- if (msg->message == WM_DROPFILES)
- {
- GDK_NOTE (DND, g_print ("WM_DROPFILES: %#x\n", msg->hwnd));
-
- context = gdk_drag_context_new ();
- private = (GdkDragContextPrivate *) context;
- context->protocol = GDK_DRAG_PROTO_WIN32_DROPFILES;
- context->is_source = FALSE;
- context->source_window = (GdkWindow *) gdk_root_parent;
- context->dest_window = event->any.window;
- gdk_window_ref (context->dest_window);
- /* WM_DROPFILES drops are always file names */
- context->targets =
- g_list_append (NULL, GUINT_TO_POINTER (text_uri_list_atom));
- current_dest_drag = context;
-
- event->dnd.type = GDK_DROP_START;
- event->dnd.context = current_dest_drag;
- gdk_drag_context_ref (current_dest_drag);
-
- hdrop = (HANDLE) msg->wParam;
- DragQueryPoint (hdrop, &pt);
- ClientToScreen (msg->hwnd, &pt);
-
- event->dnd.x_root = pt.x;
- event->dnd.y_root = pt.y;
- event->dnd.time = msg->time;
-
- nfiles = DragQueryFile (hdrop, 0xFFFFFFFF, NULL, 0);
-
- result = g_string_new (NULL);
- for (i = 0; i < nfiles; i++)
- {
- g_string_append (result, "file:");
- DragQueryFile (hdrop, i, fileName, MAX_PATH);
-
- /* Resolve shortcuts */
- if (resolve_link (msg->hwnd, fileName, linkedFile, NULL))
- {
- g_string_append (result, linkedFile);
- GDK_NOTE (DND, g_print ("...%s link to %s\n",
- fileName, linkedFile));
- }
- else
- {
- g_string_append (result, fileName);
- GDK_NOTE (DND, g_print ("...%s\n", fileName));
- }
- g_string_append (result, "\015\012");
- }
- gdk_sel_prop_store ((GdkWindow *) gdk_root_parent,
- text_uri_list_atom, 8, result->str, result->len + 1);
-
- DragFinish (hdrop);
-
- return GDK_FILTER_TRANSLATE;
- }
- else
- return GDK_FILTER_CONTINUE;
-}
-
-/*************************************************************
- ************************** Public API ***********************
- *************************************************************/
-
-void
-gdk_dnd_init (void)
-{
- HRESULT hres;
-#ifdef OLE2_DND
- hres = OleInitialize (NULL);
-
- if (! SUCCEEDED (hres))
- g_error ("OleInitialize failed");
-#endif
-}
-
-void
-gdk_dnd_exit (void)
-{
-#ifdef OLE2_DND
- OleUninitialize ();
-#endif
-}
-
-/* Source side */
-
-static void
-gdk_drag_do_leave (GdkDragContext *context, guint32 time)
-{
- if (context->dest_window)
- {
- GDK_NOTE (DND, g_print ("gdk_drag_do_leave\n"));
- gdk_window_unref (context->dest_window);
- context->dest_window = NULL;
- }
-}
-
-GdkDragContext *
-gdk_drag_begin (GdkWindow *window,
- GList *targets)
-{
- GList *tmp_list;
- source_drag_context *ctx;
-
- g_return_val_if_fail (window != NULL, NULL);
-
- GDK_NOTE (DND, g_print ("gdk_drag_begin\n"));
-
- ctx = source_context_new ();
- ctx->context->is_source = TRUE;
- ctx->context->source_window = window;
- gdk_window_ref (window);
-
- tmp_list = g_list_last (targets);
- ctx->context->targets = NULL;
- while (tmp_list)
- {
- ctx->context->targets = g_list_prepend (ctx->context->targets,
- tmp_list->data);
- tmp_list = tmp_list->prev;
- }
-
- ctx->context->actions = 0;
-
-#if 0
- DoDragDrop (...);
-#endif
- return ctx->context;
-}
-
-guint32
-gdk_drag_get_protocol (guint32 xid,
- GdkDragProtocol *protocol)
-{
- /* This isn't used */
- return 0;
-}
-
-void
-gdk_drag_find_window (GdkDragContext *context,
- GdkWindow *drag_window,
- gint x_root,
- gint y_root,
- GdkWindow **dest_window,
- GdkDragProtocol *protocol)
-{
- GdkDragContextPrivate *private = (GdkDragContextPrivate *)context;
- GdkDrawablePrivate *drag_window_private = (GdkDrawablePrivate*) drag_window;
- HWND recipient;
- POINT pt;
-
- GDK_NOTE (DND, g_print ("gdk_drag_find_window: %#x +%d+%d\n",
- (drag_window ? drag_window_private->xwindow : 0),
- x_root, y_root));
-
- pt.x = x_root;
- pt.y = y_root;
- recipient = WindowFromPoint (pt);
- if (recipient == NULL)
- *dest_window = NULL;
- else
- {
- *dest_window = gdk_window_lookup (recipient);
- if (*dest_window)
- gdk_window_ref (*dest_window);
- *protocol = GDK_DRAG_PROTO_WIN32_DROPFILES;
- }
-}
-
-gboolean
-gdk_drag_motion (GdkDragContext *context,
- GdkWindow *dest_window,
- GdkDragProtocol protocol,
- gint x_root,
- gint y_root,
- GdkDragAction suggested_action,
- GdkDragAction possible_actions,
- guint32 time)
-{
- return FALSE;
-}
-
-void
-gdk_drag_drop (GdkDragContext *context,
- guint32 time)
-{
- g_return_if_fail (context != NULL);
-
- g_warning ("gdk_drag_drop: not implemented\n");
-}
-
-void
-gdk_drag_abort (GdkDragContext *context,
- guint32 time)
-{
- g_return_if_fail (context != NULL);
-
- gdk_drag_do_leave (context, time);
-}
-
-/* Destination side */
-
-void
-gdk_drag_status (GdkDragContext *context,
- GdkDragAction action,
- guint32 time)
-{
- GDK_NOTE (DND, g_print ("gdk_drag_status\n"));
-}
-
-void
-gdk_drop_reply (GdkDragContext *context,
- gboolean ok,
- guint32 time)
-{
-}
-
-void
-gdk_drop_finish (GdkDragContext *context,
- gboolean success,
- guint32 time)
-{
-}
-
-static GdkFilterReturn
-gdk_destroy_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
-#ifdef OLE2_DND
- MSG *msg = (MSG *) xev;
-
- if (msg->message == WM_DESTROY)
- {
- IDropTarget *idtp = (IDropTarget *) data;
-
- GDK_NOTE (DND, g_print ("gdk_destroy_filter: WM_DESTROY: %#x\n", msg->hwnd));
- RevokeDragDrop (msg->hwnd);
- CoLockObjectExternal (idtp, FALSE, TRUE);
- }
-#endif
- return GDK_FILTER_CONTINUE;
-}
-
-void
-gdk_window_register_dnd (GdkWindow *window)
-{
- GdkDrawablePrivate *private = (GdkDrawablePrivate *) window;
-#ifdef OLE2_DND
- target_drag_context *context;
- HRESULT hres;
-#endif
-
- g_return_if_fail (window != NULL);
-
- GDK_NOTE (DND, g_print ("gdk_window_register_dnd: %#x\n", private->xwindow));
-
- /* We always claim to accept dropped files, but in fact we might not,
- * of course. This function is called in such a way that it cannot know
- * whether the window (widget) in question actually accepts files
- * (in gtk, data of type text/uri-list) or not.
- */
- gdk_window_add_filter (window, gdk_dropfiles_filter, NULL);
- DragAcceptFiles (private->xwindow, TRUE);
-
-#ifdef OLE2_DND
- /* Register for OLE2 d&d */
- context = target_context_new ();
- hres = CoLockObjectExternal ((IUnknown *) &context->idt, TRUE, FALSE);
- if (!SUCCEEDED (hres))
- g_warning ("gdk_window_register_dnd: CoLockObjectExternal failed");
- else
- {
- hres = RegisterDragDrop (private->xwindow, &context->idt);
- if (hres == DRAGDROP_E_ALREADYREGISTERED)
- {
- g_print ("DRAGDROP_E_ALREADYREGISTERED\n");
- CoLockObjectExternal ((IUnknown *) &context->idt, FALSE, FALSE);
- }
- else if (!SUCCEEDED (hres))
- g_warning ("gdk_window_register_dnd: RegisterDragDrop failed");
- else
- {
- gdk_window_add_filter (window, gdk_destroy_filter, &context->idt);
- }
- }
-#endif
-}
-
-/*************************************************************
- * gdk_drag_get_selection:
- * Returns the selection atom for the current source window
- * arguments:
- *
- * results:
- *************************************************************/
-
-GdkAtom
-gdk_drag_get_selection (GdkDragContext *context)
-{
- if (context->protocol == GDK_DRAG_PROTO_WIN32_DROPFILES)
- return gdk_win32_dropfiles_atom;
- else if (context->protocol == GDK_DRAG_PROTO_OLE2)
- return gdk_ole2_dnd_atom;
- else
- return GDK_NONE;
-}