From: Rémi Bernon rbernon@codeweavers.com
Based on a patch by Huw Davies huw@codeweavers.com. --- server/protocol.def | 9 ++++- server/queue.c | 91 +++++++++++++++++++++++++++++---------------- server/user.h | 3 -- 3 files changed, 66 insertions(+), 37 deletions(-)
diff --git a/server/protocol.def b/server/protocol.def index 311a7082ef6..84157dc2b05 100644 --- a/server/protocol.def +++ b/server/protocol.def @@ -882,9 +882,16 @@ typedef struct /****************************************************************/ /* objects shared mapping structures */
+struct shared_cursor +{ + int x; /* cursor position */ + int y; + unsigned int last_change; /* time of last position change */ +}; + typedef volatile struct { - int placeholder; + struct shared_cursor cursor; /* global cursor information */ } desktop_shm_t;
/****************************************************************/ diff --git a/server/queue.c b/server/queue.c index 6f38227aa84..7d9d6ac9ee6 100644 --- a/server/queue.c +++ b/server/queue.c @@ -233,6 +233,16 @@ static unsigned int last_input_time; static cursor_pos_t cursor_history[64]; static unsigned int cursor_history_latest;
+#define SHARED_WRITE_BEGIN( object, type ) \ + do { \ + const type *__shared = (object)->shared; \ + type *shared = (type *)__shared; \ + do + +#define SHARED_WRITE_END \ + while(0); \ + } while(0) + static void queue_hardware_message( struct desktop *desktop, struct message *msg, int always_queue ); static void free_message( struct message *msg );
@@ -424,8 +434,8 @@ static void queue_cursor_message( struct desktop *desktop, user_handle_t win, un msg->msg = message; msg->wparam = wparam; msg->lparam = lparam; - msg->x = desktop->cursor.x; - msg->y = desktop->cursor.y; + msg->x = desktop->shared->cursor.x; + msg->y = desktop->shared->cursor.y; if (!(msg->win = win) && (input = desktop->foreground_input)) msg->win = input->active; queue_hardware_message( desktop, msg, 1 ); } @@ -464,13 +474,19 @@ static int update_desktop_cursor_window( struct desktop *desktop, user_handle_t static int update_desktop_cursor_pos( struct desktop *desktop, user_handle_t win, int x, int y ) { int updated; + unsigned int time = get_tick_count();
x = max( min( x, desktop->cursor.clip.right - 1 ), desktop->cursor.clip.left ); y = max( min( y, desktop->cursor.clip.bottom - 1 ), desktop->cursor.clip.top ); - updated = (desktop->cursor.x != x || desktop->cursor.y != y); - desktop->cursor.x = x; - desktop->cursor.y = y; - desktop->cursor.last_change = get_tick_count(); + + SHARED_WRITE_BEGIN( desktop, desktop_shm_t ) + { + updated = shared->cursor.x != x || shared->cursor.y != y; + shared->cursor.x = x; + shared->cursor.y = y; + shared->cursor.last_change = time; + } + SHARED_WRITE_END;
if (!win || !is_window_visible( win ) || is_window_transparent( win )) win = shallow_window_from_point( desktop, x, y ); @@ -516,8 +532,8 @@ static void get_message_defaults( struct msg_queue *queue, int *x, int *y, unsig { struct desktop *desktop = queue->input->desktop;
- *x = desktop->cursor.x; - *y = desktop->cursor.y; + *x = desktop->shared->cursor.x; + *y = desktop->shared->cursor.y; *time = get_tick_count(); }
@@ -541,9 +557,9 @@ void set_clip_rectangle( struct desktop *desktop, const rectangle_t *rect, unsig else desktop->cursor.clip = top_rect;
/* warp the mouse to be inside the clip rect */ - x = max( min( desktop->cursor.x, desktop->cursor.clip.right - 1 ), desktop->cursor.clip.left ); - y = max( min( desktop->cursor.y, desktop->cursor.clip.bottom - 1 ), desktop->cursor.clip.top ); - if (x != desktop->cursor.x || y != desktop->cursor.y) set_cursor_pos( desktop, x, y ); + x = max( min( desktop->shared->cursor.x, desktop->cursor.clip.right - 1 ), desktop->cursor.clip.left ); + y = max( min( desktop->shared->cursor.y, desktop->cursor.clip.bottom - 1 ), desktop->cursor.clip.top ); + if (x != desktop->shared->cursor.x || y != desktop->shared->cursor.y) set_cursor_pos( desktop, x, y );
/* request clip cursor rectangle reset to the desktop thread */ if (reset) post_desktop_message( desktop, WM_WINE_CLIPCURSOR, flags, FALSE ); @@ -1696,8 +1712,8 @@ static void queue_hardware_message( struct desktop *desktop, struct message *msg if (desktop->keystate[VK_XBUTTON2] & 0x80) msg->wparam |= MK_XBUTTON2; break; } - msg->x = desktop->cursor.x; - msg->y = desktop->cursor.y; + msg->x = desktop->shared->cursor.x; + msg->y = desktop->shared->cursor.y;
if (msg->win && (thread = get_window_thread( msg->win ))) { @@ -1996,7 +2012,7 @@ static int queue_mouse_message( struct desktop *desktop, user_handle_t win, cons struct rawinput_message raw_msg; struct message *msg; struct thread *foreground; - unsigned int i, time, flags; + unsigned int i, time = get_tick_count(), flags; struct hw_msg_source source = { IMDT_MOUSE, origin }; int wait = 0, x, y;
@@ -2017,10 +2033,15 @@ static int queue_mouse_message( struct desktop *desktop, user_handle_t win, cons WM_MOUSEHWHEEL /* 0x1000 = MOUSEEVENTF_HWHEEL */ };
- desktop->cursor.last_change = get_tick_count(); + SHARED_WRITE_BEGIN( desktop, desktop_shm_t ) + { + shared->cursor.last_change = time; + } + SHARED_WRITE_END; + flags = input->mouse.flags; time = input->mouse.time; - if (!time) time = desktop->cursor.last_change; + if (!time) time = desktop->shared->cursor.last_change;
if (flags & MOUSEEVENTF_MOVE) { @@ -2029,23 +2050,27 @@ static int queue_mouse_message( struct desktop *desktop, user_handle_t win, cons x = input->mouse.x; y = input->mouse.y; if (flags & ~(MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE) && - x == desktop->cursor.x && y == desktop->cursor.y) + x == desktop->shared->cursor.x && y == desktop->shared->cursor.y) flags &= ~MOUSEEVENTF_MOVE; } else { - x = desktop->cursor.x + input->mouse.x; - y = desktop->cursor.y + input->mouse.y; + x = desktop->shared->cursor.x + input->mouse.x; + y = desktop->shared->cursor.y + input->mouse.y; } } else { - x = desktop->cursor.x; - y = desktop->cursor.y; + x = desktop->shared->cursor.x; + y = desktop->shared->cursor.y; }
if ((foreground = get_foreground_thread( desktop, win ))) { + int raw_x, raw_y; + raw_x = x - desktop->shared->cursor.x; + raw_y = y - desktop->shared->cursor.y; + memset( &raw_msg, 0, sizeof(raw_msg) ); raw_msg.foreground = foreground; raw_msg.desktop = desktop; @@ -2053,7 +2078,7 @@ static int queue_mouse_message( struct desktop *desktop, user_handle_t win, cons raw_msg.time = time; raw_msg.message = WM_INPUT; raw_msg.flags = flags; - rawmouse_init( &raw_msg.rawinput, &raw_msg.data.mouse, x - desktop->cursor.x, y - desktop->cursor.y, + rawmouse_init( &raw_msg.rawinput, &raw_msg.data.mouse, raw_x, raw_y, raw_msg.flags, input->mouse.data, input->mouse.info );
enum_processes( queue_rawinput_message, &raw_msg ); @@ -2263,8 +2288,8 @@ static void queue_custom_hardware_message( struct desktop *desktop, user_handle_ msg->msg = input->hw.msg; msg->wparam = 0; msg->lparam = input->hw.lparam; - msg->x = desktop->cursor.x; - msg->y = desktop->cursor.y; + msg->x = desktop->shared->cursor.x; + msg->y = desktop->shared->cursor.y;
queue_hardware_message( desktop, msg, 1 ); } @@ -2785,8 +2810,8 @@ DECL_HANDLER(send_hardware_message) } }
- reply->prev_x = desktop->cursor.x; - reply->prev_y = desktop->cursor.y; + reply->prev_x = desktop->shared->cursor.x; + reply->prev_y = desktop->shared->cursor.y;
switch (req->input.type) { @@ -2804,8 +2829,8 @@ DECL_HANDLER(send_hardware_message) } if (thread) release_object( thread );
- reply->new_x = desktop->cursor.x; - reply->new_y = desktop->cursor.y; + reply->new_x = desktop->shared->cursor.x; + reply->new_y = desktop->shared->cursor.y; release_object( desktop ); }
@@ -3497,8 +3522,8 @@ DECL_HANDLER(set_cursor)
reply->prev_handle = input->cursor; reply->prev_count = input->cursor_count; - reply->prev_x = desktop->cursor.x; - reply->prev_y = desktop->cursor.y; + reply->prev_x = desktop->shared->cursor.x; + reply->prev_y = desktop->shared->cursor.y;
if (req->flags & SET_CURSOR_HANDLE) { @@ -3521,10 +3546,10 @@ DECL_HANDLER(set_cursor) if (req->flags & (SET_CURSOR_HANDLE | SET_CURSOR_COUNT)) update_desktop_cursor_handle( desktop, input );
- reply->new_x = desktop->cursor.x; - reply->new_y = desktop->cursor.y; + reply->new_x = desktop->shared->cursor.x; + reply->new_y = desktop->shared->cursor.y; reply->new_clip = desktop->cursor.clip; - reply->last_change = desktop->cursor.last_change; + reply->last_change = desktop->shared->cursor.last_change; }
/* Get the history of the 64 last cursor positions */ diff --git a/server/user.h b/server/user.h index 446e06ebb0c..6a0e3d65ab7 100644 --- a/server/user.h +++ b/server/user.h @@ -54,10 +54,7 @@ struct winstation
struct global_cursor { - int x; /* cursor position */ - int y; rectangle_t clip; /* cursor clip rectangle */ - unsigned int last_change; /* time of last position change */ user_handle_t win; /* window that contains the cursor */ };