user.h 12 KB

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  1. /*
  2. * Wine server USER definitions
  3. *
  4. * Copyright (C) 2001 Alexandre Julliard
  5. *
  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.
  10. *
  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.
  15. *
  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
  19. */
  20. #ifndef __WINE_SERVER_USER_H
  21. #define __WINE_SERVER_USER_H
  22. #include "wine/server_protocol.h"
  23. struct thread;
  24. struct region;
  25. struct window;
  26. struct msg_queue;
  27. struct hook_table;
  28. struct window_class;
  29. struct atom_table;
  30. struct clipboard;
  31. enum user_object
  32. {
  33. USER_WINDOW = 1,
  34. USER_HOOK,
  35. USER_CLIENT /* arbitrary client handle */
  36. };
  37. #define DESKTOP_ATOM ((atom_t)32769)
  38. struct winstation
  39. {
  40. struct object obj; /* object header */
  41. unsigned int flags; /* winstation flags */
  42. struct list entry; /* entry in global winstation list */
  43. struct list desktops; /* list of desktops of this winstation */
  44. struct clipboard *clipboard; /* clipboard information */
  45. struct atom_table *atom_table; /* global atom table */
  46. struct namespace *desktop_names; /* namespace for desktops of this winstation */
  47. };
  48. struct global_cursor
  49. {
  50. int x; /* cursor position */
  51. int y;
  52. rectangle_t clip; /* cursor clip rectangle */
  53. unsigned int clip_msg; /* message to post for cursor clip changes */
  54. unsigned int last_change; /* time of last position change */
  55. user_handle_t win; /* window that contains the cursor */
  56. };
  57. struct desktop
  58. {
  59. struct object obj; /* object header */
  60. unsigned int flags; /* desktop flags */
  61. struct winstation *winstation; /* winstation this desktop belongs to */
  62. struct list entry; /* entry in winstation list of desktops */
  63. struct window *top_window; /* desktop window for this desktop */
  64. struct window *msg_window; /* HWND_MESSAGE top window */
  65. struct hook_table *global_hooks; /* table of global hooks on this desktop */
  66. struct list hotkeys; /* list of registered hotkeys */
  67. struct timeout_user *close_timeout; /* timeout before closing the desktop */
  68. struct thread_input *foreground_input; /* thread input of foreground thread */
  69. unsigned int users; /* processes and threads using this desktop */
  70. struct global_cursor cursor; /* global cursor information */
  71. unsigned char keystate[256]; /* asynchronous key state */
  72. };
  73. /* user handles functions */
  74. extern user_handle_t alloc_user_handle( void *ptr, enum user_object type );
  75. extern void *get_user_object( user_handle_t handle, enum user_object type );
  76. extern void *get_user_object_handle( user_handle_t *handle, enum user_object type );
  77. extern user_handle_t get_user_full_handle( user_handle_t handle );
  78. extern void *free_user_handle( user_handle_t handle );
  79. extern void *next_user_handle( user_handle_t *handle, enum user_object type );
  80. extern void free_process_user_handles( struct process *process );
  81. /* clipboard functions */
  82. extern void cleanup_clipboard_window( struct desktop *desktop, user_handle_t window );
  83. extern void cleanup_clipboard_thread( struct thread *thread );
  84. /* hook functions */
  85. extern void remove_thread_hooks( struct thread *thread );
  86. extern unsigned int get_active_hooks(void);
  87. extern struct thread *get_first_global_hook( int id );
  88. /* queue functions */
  89. extern void free_msg_queue( struct thread *thread );
  90. extern struct hook_table *get_queue_hooks( struct thread *thread );
  91. extern void set_queue_hooks( struct thread *thread, struct hook_table *hooks );
  92. extern void inc_queue_paint_count( struct thread *thread, int incr );
  93. extern void queue_cleanup_window( struct thread *thread, user_handle_t win );
  94. extern int init_thread_queue( struct thread *thread );
  95. extern int attach_thread_input( struct thread *thread_from, struct thread *thread_to );
  96. extern void detach_thread_input( struct thread *thread_from );
  97. extern void post_message( user_handle_t win, unsigned int message,
  98. lparam_t wparam, lparam_t lparam );
  99. extern void send_notify_message( user_handle_t win, unsigned int message,
  100. lparam_t wparam, lparam_t lparam );
  101. extern void post_win_event( struct thread *thread, unsigned int event,
  102. user_handle_t win, unsigned int object_id,
  103. unsigned int child_id, client_ptr_t proc,
  104. const WCHAR *module, data_size_t module_size,
  105. user_handle_t handle );
  106. extern void free_hotkeys( struct desktop *desktop, user_handle_t window );
  107. /* region functions */
  108. extern struct region *create_empty_region(void);
  109. extern struct region *create_region_from_req_data( const void *data, data_size_t size );
  110. extern void free_region( struct region *region );
  111. extern void set_region_rect( struct region *region, const rectangle_t *rect );
  112. extern rectangle_t *get_region_data( const struct region *region, data_size_t max_size,
  113. data_size_t *total_size );
  114. extern rectangle_t *get_region_data_and_free( struct region *region, data_size_t max_size,
  115. data_size_t *total_size );
  116. extern int is_region_empty( const struct region *region );
  117. extern void get_region_extents( const struct region *region, rectangle_t *rect );
  118. extern void offset_region( struct region *region, int x, int y );
  119. extern void mirror_region( const rectangle_t *client_rect, struct region *region );
  120. extern void scale_region( struct region *region, unsigned int dpi_from, unsigned int dpi_to );
  121. extern struct region *copy_region( struct region *dst, const struct region *src );
  122. extern struct region *intersect_region( struct region *dst, const struct region *src1,
  123. const struct region *src2 );
  124. extern struct region *subtract_region( struct region *dst, const struct region *src1,
  125. const struct region *src2 );
  126. extern struct region *union_region( struct region *dst, const struct region *src1,
  127. const struct region *src2 );
  128. extern struct region *xor_region( struct region *dst, const struct region *src1,
  129. const struct region *src2 );
  130. extern int point_in_region( struct region *region, int x, int y );
  131. extern int rect_in_region( struct region *region, const rectangle_t *rect );
  132. /* window functions */
  133. extern struct process *get_top_window_owner( struct desktop *desktop );
  134. extern void get_top_window_rectangle( struct desktop *desktop, rectangle_t *rect );
  135. extern void post_desktop_message( struct desktop *desktop, unsigned int message,
  136. lparam_t wparam, lparam_t lparam );
  137. extern void free_window_handle( struct window *win );
  138. extern void destroy_thread_windows( struct thread *thread );
  139. extern int is_child_window( user_handle_t parent, user_handle_t child );
  140. extern int is_valid_foreground_window( user_handle_t window );
  141. extern int is_window_visible( user_handle_t window );
  142. extern int is_window_transparent( user_handle_t window );
  143. extern int make_window_active( user_handle_t window );
  144. extern struct thread *get_window_thread( user_handle_t handle );
  145. extern user_handle_t shallow_window_from_point( struct desktop *desktop, int x, int y );
  146. extern struct thread *window_thread_from_point( user_handle_t scope, int x, int y );
  147. extern user_handle_t find_window_to_repaint( user_handle_t parent, struct thread *thread );
  148. extern struct window_class *get_window_class( user_handle_t window );
  149. /* window class functions */
  150. extern void destroy_process_classes( struct process *process );
  151. extern struct window_class *grab_class( struct process *process, atom_t atom,
  152. mod_handle_t instance, int *extra_bytes );
  153. extern void release_class( struct window_class *class );
  154. extern int is_desktop_class( struct window_class *class );
  155. extern int is_hwnd_message_class( struct window_class *class );
  156. extern atom_t get_class_atom( struct window_class *class );
  157. extern client_ptr_t get_class_client_ptr( struct window_class *class );
  158. /* windows station functions */
  159. extern struct desktop *get_desktop_obj( struct process *process, obj_handle_t handle, unsigned int access );
  160. extern struct winstation *get_process_winstation( struct process *process, unsigned int access );
  161. extern struct desktop *get_thread_desktop( struct thread *thread, unsigned int access );
  162. extern void connect_process_winstation( struct process *process, struct thread *parent_thread,
  163. struct process *parent_process );
  164. extern void set_process_default_desktop( struct process *process, struct desktop *desktop,
  165. obj_handle_t handle );
  166. extern void close_process_desktop( struct process *process );
  167. extern void set_thread_default_desktop( struct thread *thread, struct desktop *desktop, obj_handle_t handle );
  168. extern void release_thread_desktop( struct thread *thread, int close );
  169. static inline int is_rect_empty( const rectangle_t *rect )
  170. {
  171. return (rect->left >= rect->right || rect->top >= rect->bottom);
  172. }
  173. static inline int point_in_rect( const rectangle_t *rect, int x, int y )
  174. {
  175. return (x >= rect->left && x < rect->right && y >= rect->top && y < rect->bottom);
  176. }
  177. static inline int scale_dpi( int val, unsigned int dpi_from, unsigned int dpi_to )
  178. {
  179. if (val >= 0) return (val * dpi_to + (dpi_from / 2)) / dpi_from;
  180. return (val * dpi_to - (dpi_from / 2)) / dpi_from;
  181. }
  182. static inline void scale_dpi_rect( rectangle_t *rect, unsigned int dpi_from, unsigned int dpi_to )
  183. {
  184. rect->left = scale_dpi( rect->left, dpi_from, dpi_to );
  185. rect->top = scale_dpi( rect->top, dpi_from, dpi_to );
  186. rect->right = scale_dpi( rect->right, dpi_from, dpi_to );
  187. rect->bottom = scale_dpi( rect->bottom, dpi_from, dpi_to );
  188. }
  189. /* offset the coordinates of a rectangle */
  190. static inline void offset_rect( rectangle_t *rect, int offset_x, int offset_y )
  191. {
  192. rect->left += offset_x;
  193. rect->top += offset_y;
  194. rect->right += offset_x;
  195. rect->bottom += offset_y;
  196. }
  197. /* mirror a rectangle respective to the window client area */
  198. static inline void mirror_rect( const rectangle_t *client_rect, rectangle_t *rect )
  199. {
  200. int width = client_rect->right - client_rect->left;
  201. int tmp = rect->left;
  202. rect->left = width - rect->right;
  203. rect->right = width - tmp;
  204. }
  205. /* compute the intersection of two rectangles; return 0 if the result is empty */
  206. static inline int intersect_rect( rectangle_t *dst, const rectangle_t *src1, const rectangle_t *src2 )
  207. {
  208. dst->left = max( src1->left, src2->left );
  209. dst->top = max( src1->top, src2->top );
  210. dst->right = min( src1->right, src2->right );
  211. dst->bottom = min( src1->bottom, src2->bottom );
  212. return !is_rect_empty( dst );
  213. }
  214. /* validate a window handle and return the full handle */
  215. static inline user_handle_t get_valid_window_handle( user_handle_t win )
  216. {
  217. if (get_user_object_handle( &win, USER_WINDOW )) return win;
  218. set_win32_error( ERROR_INVALID_WINDOW_HANDLE );
  219. return 0;
  220. }
  221. #endif /* __WINE_SERVER_USER_H */