ioncore/screen.h

   1 /*
   2  * ion/ioncore/screen.h
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2005.
   5  *
   6  * Ion is free software; you can redistribute it and/or modify it under
   7  * the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  */
  11
  12 #ifndef ION_IONCORE_SCREEN_H
  13 #define ION_IONCORE_SCREEN_H
  14
  15 #include "common.h"
  16 #include "mplex.h"
  17 #include <libextl/extl.h>
  18 #include "rectangle.h"
  19 #include "rootwin.h"
  20 #include "hooks.h"
  21
  22 #define FOR_ALL_SCREENS(SCR)   \
  23     for((SCR)=ioncore_g.screens; \
  24         (SCR)!=NULL;           \
  25         (SCR)=(SCR)->next_scr)
  26
  27
  28 DECLCLASS(WScreen){
  29     WMPlex mplex;
  30     int id;
  31     Atom atom_workspace;
  32     bool uses_root;
  33     WRectangle managed_off;
  34     WScreen *next_scr, *prev_scr;
  35     Watch notifywin_watch;
  36 };
  37
  38 extern WScreen *create_screen(WRootWin *rootwin, int id,
  39                               const WFitParams *fp,
  40                               bool useroot);
  41
  42 extern int screen_id(WScreen *scr);
  43
  44 extern void screen_set_managed_offset(WScreen *scr, const WRectangle *off);
  45
  46 extern bool screen_init_layout(WScreen *scr, ExtlTab tab);
  47
  48 extern void screen_notify(WScreen *scr, const char *notstr);
  49 extern void screen_unnotify(WScreen *scr);
  50
  51 /* For viewports corresponding to Xinerama rootwins <id> is initially set
  52  * to the Xinerama screen number. When Xinerama is not enabled, <id> is
  53  * the X screen number (which is the same for all Xinerama rootwins).
  54  * For all other viewports <id> is undefined.
  55  */
  56 extern WScreen *ioncore_find_screen_id(int id);
  57 extern WScreen *ioncore_goto_screen_id(int id);
  58 extern WScreen *ioncore_goto_next_screen();
  59 extern WScreen *ioncore_goto_prev_screen();
  60
  61 /* Handlers of this hook receive a WScreen* as the sole parameter. */
  62 extern WHook *screen_managed_changed_hook;
  63
  64 #endif /* ION_IONCORE_SCREEN_H */