ioncore/screen.h

   1 /*
   2  * ion/ioncore/screen.h
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #ifndef ION_IONCORE_SCREEN_H
  10 #define ION_IONCORE_SCREEN_H
  11
  12 #include <libextl/extl.h>
  13 #include <libmainloop/hooks.h>
  14 #include "common.h"
  15 #include "mplex.h"
  16 #include "rectangle.h"
  17 #include "pholder.h"
  18
  19 #define FOR_ALL_SCREENS(SCR)   \
  20     for((SCR)=ioncore_g.screens; \
  21         (SCR)!=NULL;           \
  22         (SCR)=(SCR)->next_scr)
  23
  24 #define FOR_ALL_SCREENS_W_NEXT(SCR, NXT)                               \
  25     for((SCR)=ioncore_g.screens, NXT=((SCR) ? (SCR)->next_scr : NULL); \
  26         (SCR)!=NULL;                                                   \
  27         (SCR)=(NXT), NXT=((SCR) ? (SCR)->next_scr : NULL))
  28
  29 enum{
  30     SCREEN_ROTATION_0,
  31     SCREEN_ROTATION_90,
  32     SCREEN_ROTATION_180,
  33     SCREEN_ROTATION_270
  34 };
  35
  36
  37 DECLCLASS(WScreen){
  38     WMPlex mplex;
  39     int id;
  40     Atom atom_workspace;
  41     /** Deprecated field, but kept to keep our ABI stable */
  42     bool dep;
  43     WRectangle managed_off;
  44     WScreen *next_scr, *prev_scr;
  45     Watch notifywin_watch;
  46     Watch infowin_watch;
  47 };
  48
  49 extern bool screen_init(WScreen *scr, WRootWin *parent, const WFitParams *fp,
  50                         int id);
  51
  52 extern WScreen *create_screen(WRootWin *parent, const WFitParams *fp, int id);
  53
  54 extern void screen_deinit(WScreen *scr);
  55
  56 extern int screen_id(WScreen *scr);
  57
  58 extern void screen_set_managed_offset(WScreen *scr, const WRectangle *off);
  59
  60 extern bool screen_init_layout(WScreen *scr, ExtlTab tab);
  61
  62 extern WScreen *ioncore_find_screen_id(int id);
  63 extern WScreen *ioncore_goto_screen_id(int id);
  64 extern WScreen *ioncore_goto_next_screen();
  65 extern WScreen *ioncore_goto_prev_screen();
  66
  67 /* Handlers of this hook receive a WScreen* as the sole parameter. */
  68 extern WHook *screen_managed_changed_hook;
  69
  70 #endif /* ION_IONCORE_SCREEN_H */