window-table.h

   1 #ifndef WINDOW_TABLE_H
   2 #define WINDOW_TABLE_H
   3
   4 extern struct window_table {
   5     struct half_table {
   6         xcb_window_t key;
   7         int index;
   8     } *t[ 2 ];
   9     struct gwm_window **values; /* compact array containing the values, to
  10                                    make iteration more efficient */
  11     int n; /* number of entries in each half table */
  12     int used; /* number of entries occupied */
  13     int max; /* maximum chain length to follow during insertion */
  14     unsigned long hash;
  15 } windows, update_windows;
  16
  17 extern void table_init( struct window_table *table );
  18 #if DEBUG
  19 extern void table_destroy( struct window_table *table );
  20 #endif
  21 extern PURE struct gwm_window *table_lookup( struct window_table *table,
  22                                              xcb_window_t key );
  23 extern void queue_window_update( struct gwm_window *window,
  24                                  int x, int y, int width, int height,
  25                                  int cleared );
  26 extern void window_update_done( struct gwm_window *window );
  27 extern MALLOC struct gwm_window *add_window( xcb_window_t w );
  28 extern void forget_window( struct gwm_window *window );
  29 extern struct gwm_window *lookup_window( xcb_window_t w );
  30
  31 #define STACK_END 0x20000000
  32 #define STACK_MASK 0xE0000000
  33
  34 extern struct window_stack {
  35     struct stacking_order {
  36         xcb_window_t window, lower_window, higher_window;
  37     } *t[ 2 ];
  38     int n; /* number of entries in each half table */
  39     int used; /* number of entries occupied */
  40     int max; /* maximum chain length to follow during insertion */
  41     unsigned long hash;
  42 } window_stack;
  43
  44 extern void stack_init( struct window_stack *stack );
  45 #if DEBUG
  46 extern void stack_destroy( struct window_stack *stack );
  47 #endif
  48 extern PURE struct stacking_order *stack_lookup( struct window_stack *stack,
  49                                                  xcb_window_t key );
  50 extern void stack_insert_singleton( struct window_stack *stack,
  51                                     xcb_window_t key );
  52 extern void stack_insert_above( struct window_stack *stack,
  53                                 xcb_window_t key, xcb_window_t lower_window );
  54 extern void stack_remove( struct window_stack *stack, xcb_window_t window );
  55 extern void stack_move_above( struct window_stack *stack,
  56                               xcb_window_t key, xcb_window_t lower_window );
  57 extern xcb_window_t stack_real_below( struct window_stack *stack,
  58                                       xcb_window_t window );
  59 #endif