AuroraMiddleware/gtk2
1
0
Fork 0
forked from AuroraMiddleware/gtk
Code Issues Pull Requests Projects Releases Wiki Activity

gdk/win32: Drop local DnD protocol

Browse Source 
It is basically not used by default and is pretty much broken at this point, so
it's about time to drop it.

Let's focus on fixing the OLE2 DnD protocol.
This commit is contained in:
Chun-wei Fan 2021-06-22 17:55:47 +08:00
parent bdbe0acd1f
commit 8acce5f294
8 changed files with 77 additions and 605 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
gdk/win32/gdkdisplay-win32.c
View File

@ -535,7 +535,6 @@ _gdk_win32_display_open (const char *display_name)
_gdk_win32_lang_notification_init ();
_gdk_drag_init ();
_gdk_drop_init ();
_gdk_display->clipboard = gdk_win32_clipboard_new (_gdk_display);
_gdk_display->primary_clipboard = gdk_clipboard_new (_gdk_display);

409
gdk/win32/gdkdrag-win32.c
View File

@ -158,9 +158,6 @@
* drag window) in response to this, as all the functions
* that GDK could perform here are already handled by the
* OS driving the DnD process via DoDragDrop() call.
* The LOCAL protocol, on the other hand, does a lot,
* similar to what X11 backend does with XDND - it sends
* GDK_DRAG_LEAVE and GDK_DRAG_ENTER, emits GDK_DRAG_MOTION.
*
* GDK_BUTTON_RELEASE checks the
* released button - if it's the button that was used to
@ -181,11 +178,7 @@
* the OS notifies the process about these things happening.
* For X11 backend that is done in Xdnd event filters,
* for W32 backend this is done in IDropSource/IDropTarget
* object methods for the OLE2 protocol, whereas for the
* LOCAL protocol these events are emitted only by GDK itself
* (with the exception of WM_DROPFILES message, which causes
* GDK to create a drop context and then immediately finish
* the drag, providing the list of files it got from the message).
* object methods for the OLE2 protocol.
*
*/
@ -487,17 +480,6 @@ process_dnd_queue (gboolean timed,
return FALSE;
}
void
_gdk_win32_local_drag_drop_response (GdkDrag *drag,
GdkDragAction action)
{
GDK_NOTE (DND, g_print ("_gdk_win32_local_drag_drop_response: 0x%p\n",
drag));
g_signal_emit_by_name (drag, "dnd-finished");
gdk_drag_drop_done (drag, action != 0);
}
static gboolean
do_drag_drop_response (gpointer user_data)
{
@ -714,16 +696,6 @@ _gdk_win32_dnd_thread_main (gpointer data)
return NULL;
}
/* For the LOCAL protocol */
typedef enum {
GDK_DRAG_STATUS_DRAG,
GDK_DRAG_STATUS_MOTION_WAIT,
GDK_DRAG_STATUS_ACTION_WAIT,
GDK_DRAG_STATUS_DROP
} GdkDragStatus;
static gboolean use_ole2_dnd = TRUE;
static gboolean drag_context_grab (GdkDrag *drag);
G_DEFINE_TYPE (GdkWin32Drag, gdk_win32_drag, GDK_TYPE_DRAG)
@ -791,8 +763,7 @@ gdk_drag_new (GdkDisplay *display,
GdkSurface *surface,
GdkContentProvider *content,
GdkDragAction actions,
GdkDevice *device,
GdkDragProtocol protocol)
GdkDevice *device)
{
GdkWin32Drag *drag_win32;
GdkWin32Display *display_win32 = GDK_WIN32_DISPLAY (display);
@ -812,8 +783,6 @@ gdk_drag_new (GdkDisplay *display,
else
drag_win32->scale = gdk_win32_display_get_monitor_scale_factor (display_win32, NULL, NULL);
drag_win32->protocol = protocol;
return drag;
}
@ -1081,21 +1050,6 @@ maybe_emit_action_changed (GdkWin32Drag *drag_win32,
}
}
void
_gdk_win32_local_drag_give_feedback (GdkDrag *drag,
GdkDragAction actions)
{
GdkWin32Drag *drag_win32 = GDK_WIN32_DRAG (drag);
if (drag_win32->drag_status == GDK_DRAG_STATUS_MOTION_WAIT)
drag_win32->drag_status = GDK_DRAG_STATUS_DRAG;
GDK_NOTE (DND, g_print ("_gdk_win32_local_drag_give_feedback: 0x%p\n",
drag));
maybe_emit_action_changed (drag_win32, actions);
}
static gboolean
give_feedback (gpointer user_data)
{
@ -1670,30 +1624,20 @@ enum_formats_new (GArray *formats)
void
_gdk_drag_init (void)
{
HRESULT hr;
CoInitializeEx (NULL, COINIT_APARTMENTTHREADED);
if (g_strcmp0 (getenv ("GDK_WIN32_OLE2_DND"), "0") == 0)
use_ole2_dnd = FALSE;
hr = OleInitialize (NULL);
if (use_ole2_dnd)
{
HRESULT hr;
hr = OleInitialize (NULL);
if (! SUCCEEDED (hr))
g_error ("OleInitialize failed");
}
if (! SUCCEEDED (hr))
g_error ("OleInitialize failed");
}
void
_gdk_win32_dnd_exit (void)
{
if (use_ole2_dnd)
{
OleUninitialize ();
}
OleUninitialize ();
CoUninitialize ();
}
@ -1723,6 +1667,9 @@ _gdk_win32_surface_drag_begin (GdkSurface *surface,
GdkWin32Clipdrop *clipdrop = _gdk_win32_clipdrop_get ();
double px, py;
int x_root, y_root;
GdkWin32DnDThreadDoDragDrop *ddd;
source_drag_context *source_ctx;
data_object *data_obj;
g_return_val_if_fail (surface != NULL, NULL);
@ -1730,8 +1677,7 @@ _gdk_win32_surface_drag_begin (GdkSurface *surface,
surface,
content,
actions,
device,
use_ole2_dnd ? GDK_DRAG_PROTO_OLE2 : GDK_DRAG_PROTO_LOCAL);
device);
drag_win32 = GDK_WIN32_DRAG (drag);
GDK_NOTE (DND, g_print ("_gdk_win32_surface_drag_begin\n"));
@ -1755,121 +1701,35 @@ _gdk_win32_surface_drag_begin (GdkSurface *surface,
return FALSE;
}
if (drag_win32->protocol == GDK_DRAG_PROTO_OLE2)
{
GdkWin32DnDThreadDoDragDrop *ddd = g_new0 (GdkWin32DnDThreadDoDragDrop, 1);
source_drag_context *source_ctx;
data_object *data_obj;
ddd = g_new0 (GdkWin32DnDThreadDoDragDrop, 1);
source_ctx = source_context_new (drag, gdk_drag_get_formats (drag));
data_obj = data_object_new (drag);
source_ctx = source_context_new (drag, gdk_drag_get_formats (drag));
data_obj = data_object_new (drag);
ddd->base.item_type = GDK_WIN32_DND_THREAD_QUEUE_ITEM_DO_DRAG_DROP;
ddd->base.opaque_context = drag_win32;
ddd->src_context = source_ctx;
ddd->src_object = data_obj;
ddd->allowed_drop_effects = 0;
if (actions & GDK_ACTION_COPY)
ddd->allowed_drop_effects |= DROPEFFECT_COPY;
if (actions & GDK_ACTION_MOVE)
ddd->allowed_drop_effects |= DROPEFFECT_MOVE;
if (actions & GDK_ACTION_LINK)
ddd->allowed_drop_effects |= DROPEFFECT_LINK;
ddd->base.item_type = GDK_WIN32_DND_THREAD_QUEUE_ITEM_DO_DRAG_DROP;
ddd->base.opaque_context = drag_win32;
ddd->src_context = source_ctx;
ddd->src_object = data_obj;
ddd->allowed_drop_effects = 0;
if (actions & GDK_ACTION_COPY)
ddd->allowed_drop_effects |= DROPEFFECT_COPY;
if (actions & GDK_ACTION_MOVE)
ddd->allowed_drop_effects |= DROPEFFECT_MOVE;
if (actions & GDK_ACTION_LINK)
ddd->allowed_drop_effects |= DROPEFFECT_LINK;
g_hash_table_replace (clipdrop->active_source_drags, g_object_ref (drag), ddd);
increment_dnd_queue_counter ();
g_async_queue_push (clipdrop->dnd_queue, ddd);
API_CALL (PostThreadMessage, (clipdrop->dnd_thread_id, thread_wakeup_message, 0, 0));
g_hash_table_replace (clipdrop->active_source_drags, g_object_ref (drag), ddd);
increment_dnd_queue_counter ();
g_async_queue_push (clipdrop->dnd_queue, ddd);
API_CALL (PostThreadMessage, (clipdrop->dnd_thread_id, thread_wakeup_message, 0, 0));
drag_win32->util_data.state = GDK_WIN32_DND_PENDING;
}
drag_win32->util_data.state = GDK_WIN32_DND_PENDING;
move_drag_surface (drag, x_root, y_root);
return drag;
}
/* TODO: remove this?
* window finder is only used by our gdk_drag_update() to
* find the window at drag coordinates - which is
* something IDropSourceNotify already gives us.
* Unless, of course, we keep the LOCAL protocol around.
*/
typedef struct {
int x;
int y;
HWND ignore;
HWND result;
} find_window_enum_arg;
static BOOL CALLBACK
find_window_enum_proc (HWND hwnd,
LPARAM lparam)
{
RECT rect;
POINT tl, br;
find_window_enum_arg *a = (find_window_enum_arg *) lparam;
if (hwnd == a->ignore)
return TRUE;
if (!IsWindowVisible (hwnd))
return TRUE;
tl.x = tl.y = 0;
ClientToScreen (hwnd, &tl);
GetClientRect (hwnd, &rect);
br.x = rect.right;
br.y = rect.bottom;
ClientToScreen (hwnd, &br);
if (a->x >= tl.x && a->y >= tl.y && a->x < br.x && a->y < br.y)
{
a->result = hwnd;
return FALSE;
}
else
return TRUE;
}
/* Finds the HWND under cursor. Local DnD protocol
* uses this function, since local protocol is implemented
* entirely in GDK and cannot rely on the OS to notify
* drop targets about drags that move over them.
*/
static HWND
gdk_win32_drag_find_window (GdkDrag *drag,
GdkSurface *drag_surface,
int x_root,
int y_root)
{
GdkWin32Drag *drag_win32 = GDK_WIN32_DRAG (drag);
find_window_enum_arg a;
g_assert (_win32_main_thread == NULL ||
_win32_main_thread == g_thread_self ());
a.x = x_root * drag_win32->scale - _gdk_offset_x;
a.y = y_root * drag_win32->scale - _gdk_offset_y;
a.ignore = drag_surface ? GDK_SURFACE_HWND (drag_surface) : NULL;
a.result = INVALID_HANDLE_VALUE;
GDK_NOTE (DND,
g_print ("gdk_win32_drag_find_window: %p %+d%+d\n",
(drag_surface ? GDK_SURFACE_HWND (drag_surface) : NULL),
a.x, a.y));
EnumWindows (find_window_enum_proc, (LPARAM) &a);
GDK_NOTE (DND,
g_print ("gdk_win32_drag_find_window: %p %+d%+d: %p\n",
(drag_surface ? GDK_SURFACE_HWND (drag_surface) : NULL),
x_root, y_root,
a.result));
return a.result;
}
static DWORD
manufacture_keystate_from_GMT (GdkModifierType state)
{
@ -1891,100 +1751,6 @@ manufacture_keystate_from_GMT (GdkModifierType state)
return key_state;
}
/* This only works if dest_window our window and the DnD operation
* is currently local to the application.
*/
static GdkDrop *
_gdk_win32_get_drop_for_dest_window (HWND dest_window)
{
GdkSurface *drop_surface = gdk_win32_handle_table_lookup (dest_window);
GdkDrop *result = NULL;
if (drop_surface)
result = _gdk_win32_get_drop_for_dest_surface (drop_surface);
return result;
}
static gboolean
gdk_win32_local_drag_motion (GdkDrag *drag,
HWND dest_window,
int x_root,
int y_root,
GdkDragAction possible_actions,
DWORD key_state,
guint32 time_)
{
GdkWin32Drag *drag_win32;
GdkDrop *drop;
GdkDragAction actions;
g_assert (_win32_main_thread == NULL ||
_win32_main_thread == g_thread_self ());
g_return_val_if_fail (drag != NULL, FALSE);
drag_win32 = GDK_WIN32_DRAG (drag);
drop = _gdk_win32_get_drop_for_dest_window (drag_win32->dest_window);
actions = gdk_drag_get_actions (drag);
GDK_NOTE (DND, g_print ("gdk_win32_local_drag_motion: @ %+d:%+d possible=%s\n"
" dest=%p (current %p) drop=%p drag=%p:{actions=%s,action=%s}\n",
x_root, y_root,
_gdk_win32_drag_action_to_string (possible_actions),
dest_window, drag_win32->dest_window, drop, drag,
_gdk_win32_drag_action_to_string (actions),
_gdk_win32_drag_action_to_string (gdk_drag_get_selected_action (drag))));
if (drag_win32->dest_window != dest_window)
{
/* Send a leave to the last destination */
if (drop)
_gdk_win32_local_drop_target_dragleave (drop, time_);
drag_win32->dest_window = dest_window;
drag_win32->drag_status = GDK_DRAG_STATUS_DRAG;
_gdk_win32_local_drop_target_dragenter (drag,
gdk_win32_handle_table_lookup (dest_window),
x_root,
y_root,
key_state,
time_,
&actions);
drop = _gdk_win32_get_drop_for_dest_window (drag_win32->dest_window);
maybe_emit_action_changed (drag_win32, actions);
}
/* Send a drag-motion event */
drag_win32->util_data.last_x = x_root;
drag_win32->util_data.last_y = y_root;
if (drop != NULL &&
drag_win32->drag_status == GDK_DRAG_STATUS_DRAG &&
_gdk_win32_local_drop_target_will_emit_motion (drop, x_root, y_root, key_state))
{
actions = gdk_drag_get_actions (drag);
drag_win32->drag_status = GDK_DRAG_STATUS_MOTION_WAIT;
_gdk_win32_local_drop_target_dragover (drop, drag, x_root, y_root, key_state, time_, &actions);
maybe_emit_action_changed (drag_win32, actions);
}
GDK_NOTE (DND, g_print (" returning %s\n"
" drag=%p:{actions=%s,action=%s}\n",
(drop != NULL && drag_win32->drag_status == GDK_DRAG_STATUS_DRAG) ? "TRUE" : "FALSE",
drag,
_gdk_win32_drag_action_to_string (gdk_drag_get_actions (drag)),
_gdk_win32_drag_action_to_string (gdk_drag_get_selected_action (drag))));
return (drop != NULL && drag_win32->drag_status == GDK_DRAG_STATUS_DRAG);
}
static void
send_source_state_update (GdkWin32Clipdrop *clipdrop,
GdkWin32Drag *drag_win32,
@ -2005,6 +1771,7 @@ gdk_win32_drag_drop (GdkDrag *drag,
{
GdkWin32Drag *drag_win32 = GDK_WIN32_DRAG (drag);
GdkWin32Clipdrop *clipdrop = _gdk_win32_clipdrop_get ();
gpointer ddd;
g_assert (_win32_main_thread == NULL ||
_win32_main_thread == g_thread_self ());
@ -2013,29 +1780,12 @@ gdk_win32_drag_drop (GdkDrag *drag,
GDK_NOTE (DND, g_print ("gdk_win32_drag_drop\n"));
if (drag_win32->protocol == GDK_DRAG_PROTO_LOCAL)
{
GdkDrop *drop = _gdk_win32_get_drop_for_dest_window (drag_win32->dest_window);
ddd = g_hash_table_lookup (clipdrop->active_source_drags, drag);
if (drop)
{
GdkDragAction actions;
drag_win32->util_data.state = GDK_WIN32_DND_DROPPED;
actions = gdk_drag_get_actions (drag);
_gdk_win32_local_drop_target_drop (drop, drag, time_, &actions);
maybe_emit_action_changed (drag_win32, actions);
_gdk_win32_local_drag_drop_response (drag, actions);
}
}
else if (drag_win32->protocol == GDK_DRAG_PROTO_OLE2)
{
gpointer ddd = g_hash_table_lookup (clipdrop->active_source_drags, drag);
drag_win32->util_data.state = GDK_WIN32_DND_DROPPED;
if (ddd)
send_source_state_update (clipdrop, drag_win32, ddd);
}
if (ddd)
send_source_state_update (clipdrop, drag_win32, ddd);
}
static void
@ -2125,6 +1875,8 @@ gdk_win32_drag_drop_done (GdkDrag *drag,
{
GdkWin32Drag *drag_win32 = GDK_WIN32_DRAG (drag);
GdkDragAnim *anim;
GdkWin32Clipdrop *clipdrop;
gpointer ddd;
/*
cairo_surface_t *win_surface;
cairo_surface_t *surface;
@ -2139,23 +1891,16 @@ gdk_win32_drag_drop_done (GdkDrag *drag,
/* FIXME: This is temporary, until the code is fixed to ensure that
* gdk_drag_finish () is called by GTK.
*/
if (drag_win32->protocol == GDK_DRAG_PROTO_OLE2)
{
GdkWin32Clipdrop *clipdrop = _gdk_win32_clipdrop_get ();
gpointer ddd = g_hash_table_lookup (clipdrop->active_source_drags, drag);
clipdrop = _gdk_win32_clipdrop_get ();
ddd = g_hash_table_lookup (clipdrop->active_source_drags, drag);
if (success)
drag_win32->util_data.state = GDK_WIN32_DND_DROPPED;
else
drag_win32->util_data.state = GDK_WIN32_DND_NONE;
if (success)
drag_win32->util_data.state = GDK_WIN32_DND_DROPPED;
else
drag_win32->util_data.state = GDK_WIN32_DND_NONE;
if (ddd)
send_source_state_update (clipdrop, drag_win32, ddd);
}
else if (drag_win32->protocol == GDK_DRAG_PROTO_LOCAL)
{
}
if (ddd)
send_source_state_update (clipdrop, drag_win32, ddd);
drag_win32->handle_events = FALSE;
@ -2281,14 +2026,6 @@ gdk_win32_drag_cancel (GdkDrag *drag,
drag,
reason_str));
if (drag_win32->protocol == GDK_DRAG_PROTO_LOCAL)
{
GdkDrop *drop = _gdk_win32_get_drop_for_dest_window (drag_win32->dest_window);
if (drop)
_gdk_win32_local_drop_target_dragleave (drop, GDK_CURRENT_TIME);
drop = NULL;
}
gdk_drag_set_cursor (drag, NULL);
drag_context_ungrab (drag);
gdk_drag_drop_done (drag, FALSE);
@ -2310,28 +2047,6 @@ gdk_win32_drag_drop_performed (GdkDrag *drag,
#define BIG_STEP 20
#define SMALL_STEP 1
static void
gdk_local_drag_update (GdkDrag *drag,
double x_root,
double y_root,
DWORD grfKeyState,
guint32 evtime)
{
GdkWin32Drag *drag_win32 = GDK_WIN32_DRAG (drag);
HWND dest_window;
g_assert (_win32_main_thread == NULL ||
_win32_main_thread == g_thread_self ());
dest_window = gdk_win32_drag_find_window (drag,
drag_win32->drag_surface,
x_root, y_root);
gdk_win32_local_drag_motion (drag, dest_window, x_root, y_root,
gdk_drag_get_actions (drag),
grfKeyState, evtime);
}
static gboolean
gdk_dnd_handle_motion_event (GdkDrag *drag,
GdkEvent *event)
@ -2341,6 +2056,7 @@ gdk_dnd_handle_motion_event (GdkDrag *drag,
DWORD key_state;
double x, y;
double x_root, y_root;
GdkWin32Clipdrop *clipdrop;
GDK_NOTE (DND, g_print ("gdk_dnd_handle_motion_event: 0x%p\n", drag));
@ -2355,26 +2071,18 @@ gdk_dnd_handle_motion_event (GdkDrag *drag,
key_state = manufacture_keystate_from_GMT (state);
if (drag_win32->protocol == GDK_DRAG_PROTO_LOCAL)
{
gdk_local_drag_update (drag, x_root, y_root, key_state,
gdk_event_get_time (event));
}
else if (drag_win32->protocol == GDK_DRAG_PROTO_OLE2)
{
GdkWin32Clipdrop *clipdrop = _gdk_win32_clipdrop_get ();
clipdrop = _gdk_win32_clipdrop_get ();
GDK_NOTE (DND, g_print ("Post WM_MOUSEMOVE keystate=%lu\n", key_state));
GDK_NOTE (DND, g_print ("Post WM_MOUSEMOVE keystate=%lu\n", key_state));
drag_win32->util_data.last_x = x_root;
drag_win32->util_data.last_y = y_root;
drag_win32->util_data.last_x = x_root;
drag_win32->util_data.last_y = y_root;
API_CALL (PostThreadMessage, (clipdrop->dnd_thread_id,
WM_MOUSEMOVE,
key_state,
MAKELPARAM (x * drag_win32->scale,
y * drag_win32->scale)));
}
API_CALL (PostThreadMessage, (clipdrop->dnd_thread_id,
WM_MOUSEMOVE,
key_state,
MAKELPARAM (x * drag_win32->scale,
y * drag_win32->scale)));
return TRUE;
}
@ -2456,11 +2164,6 @@ gdk_dnd_handle_key_event (GdkDrag *drag,
if (drag_win32->drag_surface)
move_drag_surface (drag, drag_win32->util_data.last_x, drag_win32->util_data.last_y);
if (drag_win32->protocol == GDK_DRAG_PROTO_LOCAL)
gdk_local_drag_update (drag, drag_win32->util_data.last_x, drag_win32->util_data.last_y,
manufacture_keystate_from_GMT (state),
gdk_event_get_time (event));
return TRUE;
}

232
gdk/win32/gdkdrop-win32.c
View File

@ -140,9 +140,6 @@ struct _drop_target_context
IDataObject *data_object;
};
/* TRUE to use OLE2 protocol, FALSE to use local protocol */
static gboolean use_ole2_dnd = TRUE;
static void
gdk_win32_drop_init (GdkWin32Drop *drop)
{
@ -196,28 +193,6 @@ gdk_drop_new (GdkDisplay *display,
return GDK_DROP (drop_win32);
}
/* Gets the GdkDrop that corresponds to a particular GdkSurface.
* Will be NULL for surfaces that are not registered as drop targets,
* or for surfaces that are currently not under the drag cursor.
* This function is only used for local DnD, where we do have
* a real GdkSurface that corresponds to the HWND under cursor.
*/
GdkDrop *
_gdk_win32_get_drop_for_dest_surface (GdkSurface *dest)
{
GdkWin32Surface *impl;
if (dest == NULL)
return NULL;
impl = GDK_WIN32_SURFACE (dest);
if (impl->drop_target != NULL)
return impl->drop_target->drop;
return impl->drop;
}
#define PRINT_GUID(guid) \
g_print ("%.08lx-%.04x-%.04x-%.02x%.02x-%.02x%.02x%.02x%.02x%.02x%.02x", \
@ -451,51 +426,6 @@ set_source_actions_helper (GdkDrop *drop,
return actions;
}
void
_gdk_win32_local_drop_target_dragenter (GdkDrag *drag,
GdkSurface *dest_surface,
int x_root,
int y_root,
DWORD grfKeyState,
guint32 time_,
GdkDragAction *actions)
{
GdkDrop *drop;
GdkWin32Drop *drop_win32;
GdkDisplay *display;
GdkDragAction source_actions;
GdkWin32Surface *impl = GDK_WIN32_SURFACE (dest_surface);
GDK_NOTE (DND, g_print ("_gdk_win32_local_drop_target_dragenter %p @ %d : %d"
" for dest window 0x%p"
". actions = %s\n",
drag, x_root, y_root,
dest_surface,
_gdk_win32_drag_action_to_string (*actions)));
display = gdk_surface_get_display (dest_surface);
drop = gdk_drop_new (display,
gdk_seat_get_pointer (gdk_display_get_default_seat (display)),
drag,
gdk_drag_get_formats (drag),
dest_surface,
GDK_DRAG_PROTO_LOCAL);
drop_win32 = GDK_WIN32_DROP (drop);
impl->drop = drop;
source_actions = set_source_actions_helper (drop, *actions, grfKeyState);
gdk_drop_emit_enter_event (drop, TRUE, x_root, y_root, time_);
drop_win32->last_key_state = grfKeyState;
drop_win32->last_x = x_root;
drop_win32->last_y = y_root;
*actions = filter_actions (drop_win32->actions, source_actions);
GDK_NOTE (DND, g_print ("_gdk_win32_local_drop_target_dragenter returns with actions %s\n",
_gdk_win32_drag_action_to_string (*actions)));
}
/* The pdwEffect here initially points
* to a DWORD that contains the value of dwOKEffects argument in DoDragDrop,
* i.e. the drag action that the drag source deems acceptable.
@ -575,55 +505,6 @@ idroptarget_dragenter (LPDROPTARGET This,
return S_OK;
}
gboolean
_gdk_win32_local_drop_target_will_emit_motion (GdkDrop *drop,
int x_root,
int y_root,
DWORD grfKeyState)
{
GdkWin32Drop *drop_win32 = GDK_WIN32_DROP (drop);
if (x_root != drop_win32->last_x ||
y_root != drop_win32->last_y ||
grfKeyState != drop_win32->last_key_state)
return TRUE;
return FALSE;
}
void
_gdk_win32_local_drop_target_dragover (GdkDrop *drop,
GdkDrag *drag,
int x_root,
int y_root,
DWORD grfKeyState,
guint32 time_,
GdkDragAction *actions)
{
GdkWin32Drop *drop_win32 = GDK_WIN32_DROP (drop);
GdkDragAction source_actions;
source_actions = set_source_actions_helper (drop, *actions, grfKeyState);
GDK_NOTE (DND, g_print ("_gdk_win32_local_drop_target_dragover %p @ %d : %d"
", actions = %s\n",
drop, x_root, y_root,
_gdk_win32_drag_action_to_string (*actions)));
if (_gdk_win32_local_drop_target_will_emit_motion (drop, x_root, y_root, grfKeyState))
{
gdk_drop_emit_motion_event (drop, TRUE, x_root, y_root, time_);
drop_win32->last_key_state = grfKeyState;
drop_win32->last_x = x_root;
drop_win32->last_y = y_root;
}
*actions = filter_actions (drop_win32->actions, source_actions);
GDK_NOTE (DND, g_print ("_gdk_win32_local_drop_target_dragover returns with actions %s\n",
_gdk_win32_drag_action_to_string (*actions)));
}
/* NOTE: This method is called continuously, even if nothing is
* happening, as long as the drag operation is in progress and
* the cursor is above our window.
@ -681,18 +562,6 @@ idroptarget_dragover (LPDROPTARGET This,
return S_OK;
}
void
_gdk_win32_local_drop_target_dragleave (GdkDrop *drop,
guint32 time_)
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (gdk_drop_get_surface (drop));
GDK_NOTE (DND, g_print ("_gdk_win32_local_drop_target_dragleave %p\n", drop));
gdk_drop_emit_leave_event (drop, TRUE, time_);
g_clear_object (&impl->drop);
}
static HRESULT STDMETHODCALLTYPE
idroptarget_dragleave (LPDROPTARGET This)
{
@ -708,35 +577,6 @@ idroptarget_dragleave (LPDROPTARGET This)
return S_OK;
}
void
_gdk_win32_local_drop_target_drop (GdkDrop *drop,
GdkDrag *drag,
guint32 time_,
GdkDragAction *actions)
{
GdkWin32Drop *drop_win32 = GDK_WIN32_DROP (drop);
GDK_NOTE (DND, g_print ("_gdk_win32_local_drop_target_drop %p ", drop));
set_source_actions_helper (drop,
*actions,
drop_win32->last_key_state);
drop_win32->drop_finished = FALSE;
gdk_drop_emit_drop_event (drop, TRUE, drop_win32->last_x, drop_win32->last_y, time_);
while (!drop_win32->drop_finished)
g_main_context_iteration (NULL, FALSE);
/* Notify local source of the DnD result
* Special case:
* drop_win32->actions is guaranteed to contain 1 action after gdk_drop_finish ()
*/
*actions = drop_win32->actions;
GDK_NOTE (DND, g_print ("drop with action %s\n", _gdk_win32_drag_action_to_string (*actions)));
}
static HRESULT STDMETHODCALLTYPE
idroptarget_drop (LPDROPTARGET This,
LPDATAOBJECT pDataObj,
@ -1078,14 +918,6 @@ gdk_win32_drop_status (GdkDrop *drop,
_gdk_win32_drag_action_to_string (preferred)));
drop_win32->actions = actions;
if (drop_win32->protocol == GDK_DRAG_PROTO_OLE2)
return;
drag = gdk_drop_get_drag (drop);
if (drag != NULL)
_gdk_win32_local_drag_give_feedback (drag, actions);
}
static void
@ -1101,9 +933,6 @@ gdk_win32_drop_finish (GdkDrop *drop,
drop_win32->actions = action;
drop_win32->drop_finished = TRUE;
if (drop_win32->protocol == GDK_DRAG_PROTO_OLE2)
return;
}
#if 0
@ -1136,6 +965,7 @@ _gdk_win32_surface_register_dnd (GdkSurface *window)
{
drop_target_context *ctx;
HRESULT hr;
GdkWin32Surface *impl;
g_return_if_fail (window != NULL);
@ -1146,43 +976,30 @@ _gdk_win32_surface_register_dnd (GdkSurface *window)
GDK_NOTE (DND, g_print ("gdk_win32_surface_register_dnd: %p\n", GDK_SURFACE_HWND (window)));
if (!use_ole2_dnd)
{
/* 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_win32_display_add_filter (GDK_WIN32_DISPLAY (gdk_display_get_default ()), gdk_dropfiles_filter, NULL);
DragAcceptFiles (GDK_SURFACE_HWND (window), TRUE);
}
impl = GDK_WIN32_SURFACE (window);
/* Return if window is already setup for DND. */
if (impl->drop_target != NULL)
return;
ctx = target_context_new (window);
hr = CoLockObjectExternal ((IUnknown *) &ctx->idt, TRUE, FALSE);
if (!SUCCEEDED (hr))
OTHER_API_FAILED ("CoLockObjectExternal");
else
{
GdkWin32Surface *impl = GDK_WIN32_SURFACE (window);
/* Return if window is already setup for DND. */
if (impl->drop_target != NULL)
return;
ctx = target_context_new (window);
hr = CoLockObjectExternal ((IUnknown *) &ctx->idt, TRUE, FALSE);
if (!SUCCEEDED (hr))
OTHER_API_FAILED ("CoLockObjectExternal");
hr = RegisterDragDrop (GDK_SURFACE_HWND (window), &ctx->idt);
if (hr == DRAGDROP_E_ALREADYREGISTERED)
{
g_print ("DRAGDROP_E_ALREADYREGISTERED\n");
CoLockObjectExternal ((IUnknown *) &ctx->idt, FALSE, FALSE);
}
else if (!SUCCEEDED (hr))
OTHER_API_FAILED ("RegisterDragDrop");
else
{
hr = RegisterDragDrop (GDK_SURFACE_HWND (window), &ctx->idt);
if (hr == DRAGDROP_E_ALREADYREGISTERED)
{
g_print ("DRAGDROP_E_ALREADYREGISTERED\n");
CoLockObjectExternal ((IUnknown *) &ctx->idt, FALSE, FALSE);
}
else if (!SUCCEEDED (hr))
OTHER_API_FAILED ("RegisterDragDrop");
else
{
impl->drop_target = ctx;
}
impl->drop_target = ctx;
}
}
}
@ -1418,10 +1235,3 @@ gdk_win32_drop_class_init (GdkWin32DropClass *klass)
drop_class->read_async = gdk_win32_drop_read_async;
drop_class->read_finish = gdk_win32_drop_read_finish;
}
void
_gdk_drop_init (void)
{
if (g_strcmp0 (getenv ("GDK_WIN32_OLE2_DND"), "0") == 0)
use_ole2_dnd = FALSE;
}

1
gdk/win32/gdkmain-win32.c
View File

@ -253,7 +253,6 @@ _gdk_win32_drag_protocol_to_string (GdkDragProtocol protocol)
CASE (NONE);
CASE (WIN32_DROPFILES);
CASE (OLE2);
CASE (LOCAL);
#undef CASE
default: return static_printf ("illegal_%d", protocol);
}

2
gdk/win32/gdkprivate-win32.h
View File

@ -154,7 +154,6 @@ typedef enum
GDK_DRAG_PROTO_NONE = 0,
GDK_DRAG_PROTO_WIN32_DROPFILES,
GDK_DRAG_PROTO_OLE2,
GDK_DRAG_PROTO_LOCAL,
} GdkDragProtocol;
GType _gdk_gc_win32_get_type (void);
@ -442,7 +441,6 @@ BOOL WINAPI GtkShowWindow (GdkSurface *window,
/* Initialization */
void _gdk_win32_surfaceing_init (void);
void _gdk_drag_init (void);
void _gdk_drop_init (void);
void _gdk_events_init (GdkDisplay *display);
#endif /* __GDK_PRIVATE_WIN32_H__ */

1
gdk/win32/gdksurface-win32.c
View File

@ -204,7 +204,6 @@ gdk_surface_win32_finalize (GObject *object)
}
_gdk_win32_surface_unregister_dnd (GDK_SURFACE (surface));
g_clear_object (&surface->drop);
g_assert (surface->transient_owner == NULL);
g_assert (surface->transient_children == NULL);

4
gdk/win32/gdksurface-win32.h
View File

@ -251,10 +251,6 @@ struct _GdkWin32Surface
* For OLE2 protocol only.
*/
drop_target_context *drop_target;
/* Temporarily holds the GdkDrop currently associated with this window.
* For LOCAL protocol only.
*/
GdkDrop *drop;
GdkSurface *transient_owner;
GSList *transient_children;

32
gdk/win32/gdkwin32dnd-private.h
View File

@ -93,38 +93,6 @@ struct _GdkWin32DragClass
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