2 * Wine server USER definitions
4 * Copyright (C) 2001 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #ifndef __WINE_SERVER_USER_H
22 #define __WINE_SERVER_USER_H
24 #include "wine/server_protocol.h"
40 USER_CLIENT
/* arbitrary client handle */
43 #define DESKTOP_ATOM ((atom_t)32769)
47 struct object obj
; /* object header */
48 unsigned int flags
; /* winstation flags */
49 struct list entry
; /* entry in global winstation list */
50 struct list desktops
; /* list of desktops of this winstation */
51 struct desktop
*input_desktop
; /* desktop receiving user input */
52 struct clipboard
*clipboard
; /* clipboard information */
53 struct atom_table
*atom_table
; /* global atom table */
54 struct namespace *desktop_names
; /* namespace for desktops of this winstation */
59 int x
; /* cursor position */
61 rectangle_t clip
; /* cursor clip rectangle */
62 unsigned int clip_flags
; /* last cursor clip flags */
63 unsigned int last_change
; /* time of last position change */
64 user_handle_t win
; /* window that contains the cursor */
69 struct object obj
; /* object header */
70 unsigned int flags
; /* desktop flags */
71 struct winstation
*winstation
; /* winstation this desktop belongs to */
72 timeout_t input_time
; /* last time this desktop had the input */
73 struct list entry
; /* entry in winstation list of desktops */
74 struct list threads
; /* list of threads connected to this desktop */
75 struct window
*top_window
; /* desktop window for this desktop */
76 struct window
*msg_window
; /* HWND_MESSAGE top window */
77 struct hook_table
*global_hooks
; /* table of global hooks on this desktop */
78 struct list hotkeys
; /* list of registered hotkeys */
79 struct list pointers
; /* list of active pointers */
80 struct timeout_user
*close_timeout
; /* timeout before closing the desktop */
81 struct thread_input
*foreground_input
; /* thread input of foreground thread */
82 unsigned int users
; /* processes and threads using this desktop */
83 struct global_cursor cursor
; /* global cursor information */
84 unsigned char keystate
[256]; /* asynchronous key state */
87 /* user handles functions */
89 extern user_handle_t
alloc_user_handle( void *ptr
, enum user_object type
);
90 extern void *get_user_object( user_handle_t handle
, enum user_object type
);
91 extern void *get_user_object_handle( user_handle_t
*handle
, enum user_object type
);
92 extern user_handle_t
get_user_full_handle( user_handle_t handle
);
93 extern void *free_user_handle( user_handle_t handle
);
94 extern void *next_user_handle( user_handle_t
*handle
, enum user_object type
);
95 extern void free_process_user_handles( struct process
*process
);
97 /* clipboard functions */
99 extern void cleanup_clipboard_window( struct desktop
*desktop
, user_handle_t window
);
100 extern void cleanup_clipboard_thread( struct thread
*thread
);
104 extern void remove_thread_hooks( struct thread
*thread
);
105 extern unsigned int get_active_hooks(void);
106 extern struct thread
*get_first_global_hook( int id
);
108 /* queue functions */
110 extern void free_msg_queue( struct thread
*thread
);
111 extern struct hook_table
*get_queue_hooks( struct thread
*thread
);
112 extern void set_queue_hooks( struct thread
*thread
, struct hook_table
*hooks
);
113 extern void inc_queue_paint_count( struct thread
*thread
, int incr
);
114 extern void queue_cleanup_window( struct thread
*thread
, user_handle_t win
);
115 extern int init_thread_queue( struct thread
*thread
);
116 extern int attach_thread_input( struct thread
*thread_from
, struct thread
*thread_to
);
117 extern void detach_thread_input( struct thread
*thread_from
);
118 extern void set_clip_rectangle( struct desktop
*desktop
, const rectangle_t
*rect
,
119 unsigned int flags
, int reset
);
120 extern void post_message( user_handle_t win
, unsigned int message
,
121 lparam_t wparam
, lparam_t lparam
);
122 extern void send_notify_message( user_handle_t win
, unsigned int message
,
123 lparam_t wparam
, lparam_t lparam
);
124 extern void post_win_event( struct thread
*thread
, unsigned int event
,
125 user_handle_t win
, unsigned int object_id
,
126 unsigned int child_id
, client_ptr_t proc
,
127 const WCHAR
*module
, data_size_t module_size
,
128 user_handle_t handle
);
129 extern void free_hotkeys( struct desktop
*desktop
, user_handle_t window
);
130 extern void free_pointers( struct desktop
*desktop
);
131 extern void set_rawinput_process( struct process
*process
, int enable
);
133 /* region functions */
135 extern struct region
*create_empty_region(void);
136 extern struct region
*create_region_from_req_data( const void *data
, data_size_t size
);
137 extern void free_region( struct region
*region
);
138 extern void set_region_rect( struct region
*region
, const rectangle_t
*rect
);
139 extern rectangle_t
*get_region_data( const struct region
*region
, data_size_t max_size
,
140 data_size_t
*total_size
);
141 extern rectangle_t
*get_region_data_and_free( struct region
*region
, data_size_t max_size
,
142 data_size_t
*total_size
);
143 extern int is_region_empty( const struct region
*region
);
144 extern int is_region_equal( const struct region
*region1
, const struct region
*region2
);
145 extern void get_region_extents( const struct region
*region
, rectangle_t
*rect
);
146 extern void offset_region( struct region
*region
, int x
, int y
);
147 extern void mirror_region( const rectangle_t
*client_rect
, struct region
*region
);
148 extern void scale_region( struct region
*region
, unsigned int dpi_from
, unsigned int dpi_to
);
149 extern struct region
*copy_region( struct region
*dst
, const struct region
*src
);
150 extern struct region
*intersect_region( struct region
*dst
, const struct region
*src1
,
151 const struct region
*src2
);
152 extern struct region
*subtract_region( struct region
*dst
, const struct region
*src1
,
153 const struct region
*src2
);
154 extern struct region
*union_region( struct region
*dst
, const struct region
*src1
,
155 const struct region
*src2
);
156 extern struct region
*xor_region( struct region
*dst
, const struct region
*src1
,
157 const struct region
*src2
);
158 extern int point_in_region( struct region
*region
, int x
, int y
);
159 extern int rect_in_region( struct region
*region
, const rectangle_t
*rect
);
161 /* window functions */
163 extern struct process
*get_top_window_owner( struct desktop
*desktop
);
164 extern void get_top_window_rectangle( struct desktop
*desktop
, rectangle_t
*rect
);
165 extern void post_desktop_message( struct desktop
*desktop
, unsigned int message
,
166 lparam_t wparam
, lparam_t lparam
);
167 extern void free_window_handle( struct window
*win
);
168 extern void destroy_thread_windows( struct thread
*thread
);
169 extern int is_child_window( user_handle_t parent
, user_handle_t child
);
170 extern int is_valid_foreground_window( user_handle_t window
);
171 extern int is_window_visible( user_handle_t window
);
172 extern int is_window_transparent( user_handle_t window
);
173 extern int make_window_active( user_handle_t window
);
174 extern struct thread
*get_window_thread( user_handle_t handle
);
175 extern user_handle_t
shallow_window_from_point( struct desktop
*desktop
, int x
, int y
);
176 extern struct thread
*window_thread_from_point( user_handle_t scope
, int x
, int y
);
177 extern user_handle_t
find_window_to_repaint( user_handle_t parent
, struct thread
*thread
);
178 extern struct window_class
*get_window_class( user_handle_t window
);
180 /* window class functions */
182 extern void destroy_process_classes( struct process
*process
);
183 extern struct window_class
*grab_class( struct process
*process
, atom_t atom
,
184 mod_handle_t instance
, int *extra_bytes
);
185 extern void release_class( struct window_class
*class );
186 extern int is_desktop_class( struct window_class
*class );
187 extern int is_hwnd_message_class( struct window_class
*class );
188 extern int get_class_style( struct window_class
*class );
189 extern atom_t
get_class_atom( struct window_class
*class );
190 extern client_ptr_t
get_class_client_ptr( struct window_class
*class );
192 /* windows station functions */
194 extern struct winstation
*get_visible_winstation(void);
195 extern struct desktop
*get_input_desktop( struct winstation
*winstation
);
196 extern int set_input_desktop( struct winstation
*winstation
, struct desktop
*new_desktop
);
197 extern struct desktop
*get_desktop_obj( struct process
*process
, obj_handle_t handle
, unsigned int access
);
198 extern struct winstation
*get_process_winstation( struct process
*process
, unsigned int access
);
199 extern struct desktop
*get_thread_desktop( struct thread
*thread
, unsigned int access
);
200 extern void connect_process_winstation( struct process
*process
, struct unicode_str
*desktop_path
,
201 struct thread
*parent_thread
, struct process
*parent_process
);
202 extern void set_process_default_desktop( struct process
*process
, struct desktop
*desktop
,
203 obj_handle_t handle
);
204 extern void close_process_desktop( struct process
*process
);
205 extern void set_thread_default_desktop( struct thread
*thread
, struct desktop
*desktop
, obj_handle_t handle
);
206 extern void release_thread_desktop( struct thread
*thread
, int close
);
208 /* checks if two rectangles are identical */
209 static inline int is_rect_equal( const rectangle_t
*rect1
, const rectangle_t
*rect2
)
211 return (rect1
->left
== rect2
->left
&& rect1
->right
== rect2
->right
&&
212 rect1
->top
== rect2
->top
&& rect1
->bottom
== rect2
->bottom
);
215 static inline int is_rect_empty( const rectangle_t
*rect
)
217 return (rect
->left
>= rect
->right
|| rect
->top
>= rect
->bottom
);
220 static inline int point_in_rect( const rectangle_t
*rect
, int x
, int y
)
222 return (x
>= rect
->left
&& x
< rect
->right
&& y
>= rect
->top
&& y
< rect
->bottom
);
225 static inline int scale_dpi( int val
, unsigned int dpi_from
, unsigned int dpi_to
)
227 if (val
>= 0) return (val
* dpi_to
+ (dpi_from
/ 2)) / dpi_from
;
228 return (val
* dpi_to
- (dpi_from
/ 2)) / dpi_from
;
231 static inline void scale_dpi_rect( rectangle_t
*rect
, unsigned int dpi_from
, unsigned int dpi_to
)
233 rect
->left
= scale_dpi( rect
->left
, dpi_from
, dpi_to
);
234 rect
->top
= scale_dpi( rect
->top
, dpi_from
, dpi_to
);
235 rect
->right
= scale_dpi( rect
->right
, dpi_from
, dpi_to
);
236 rect
->bottom
= scale_dpi( rect
->bottom
, dpi_from
, dpi_to
);
239 /* offset the coordinates of a rectangle */
240 static inline void offset_rect( rectangle_t
*rect
, int offset_x
, int offset_y
)
242 rect
->left
+= offset_x
;
243 rect
->top
+= offset_y
;
244 rect
->right
+= offset_x
;
245 rect
->bottom
+= offset_y
;
248 /* mirror a rectangle respective to the window client area */
249 static inline void mirror_rect( const rectangle_t
*client_rect
, rectangle_t
*rect
)
251 int width
= client_rect
->right
- client_rect
->left
;
252 int tmp
= rect
->left
;
253 rect
->left
= width
- rect
->right
;
254 rect
->right
= width
- tmp
;
257 /* compute the intersection of two rectangles; return 0 if the result is empty */
258 static inline int intersect_rect( rectangle_t
*dst
, const rectangle_t
*src1
, const rectangle_t
*src2
)
260 dst
->left
= max( src1
->left
, src2
->left
);
261 dst
->top
= max( src1
->top
, src2
->top
);
262 dst
->right
= min( src1
->right
, src2
->right
);
263 dst
->bottom
= min( src1
->bottom
, src2
->bottom
);
264 return !is_rect_empty( dst
);
267 /* validate a window handle and return the full handle */
268 static inline user_handle_t
get_valid_window_handle( user_handle_t win
)
270 if (get_user_object_handle( &win
, USER_WINDOW
)) return win
;
271 set_win32_error( ERROR_INVALID_WINDOW_HANDLE
);
275 #endif /* __WINE_SERVER_USER_H */