openbox/screen.h

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    screen.h for the Openbox window manager
   4    Copyright (c) 2003-2007   Dana Jansens
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program 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
  14    GNU General Public License for more details.
  15
  16    See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #ifndef __screen_h
  20 #define __screen_h
  21
  22 #include "misc.h"
  23 #include "geom.h"
  24
  25 struct _ObClient;
  26
  27 #define DESKTOP_ALL (0xffffffff)
  28
  29 /*! The number of available desktops */
  30 extern guint screen_num_desktops;
  31 /*! The number of virtual "xinerama" screens/heads */
  32 extern guint screen_num_monitors;
  33 /*! The current desktop */
  34 extern guint screen_desktop;
  35 /*! The desktop which was last visible */
  36 extern guint screen_last_desktop;
  37 /*! Are we in showing-desktop mode? */
  38 extern gboolean screen_showing_desktop;
  39 /*! The support window also used for focus and stacking */
  40 extern Window screen_support_win;
  41 /*! The last time at which the user changed desktops */
  42 extern Time screen_desktop_user_time;
  43
  44 typedef struct ObDesktopLayout {
  45     ObOrientation orientation;
  46     ObCorner start_corner;
  47     guint rows;
  48     guint columns;
  49 } ObDesktopLayout;
  50 extern ObDesktopLayout screen_desktop_layout;
  51
  52 /*! An array of gchar*'s which are desktop names in UTF-8 format */
  53 extern gchar **screen_desktop_names;
  54
  55 /*! Take over the screen, set the basic hints on it claming it as ours */
  56 gboolean screen_annex();
  57
  58 /*! Once the screen is ours, set up its initial state */
  59 void screen_startup(gboolean reconfig);
  60 /*! Free resources */
  61 void screen_shutdown(gboolean reconfig);
  62
  63 /*! Figure out the new size of the screen and adjust stuff for it */
  64 void screen_resize();
  65
  66 /*! Change the number of available desktops */
  67 void screen_set_num_desktops(guint num);
  68 /*! Change the current desktop */
  69 void screen_set_desktop(guint num, gboolean dofocus);
  70 /*! Add a new desktop either at the end or inserted at the current desktop */
  71 void screen_add_desktop(gboolean current);
  72 /*! Remove a desktop, either at the end or the current desktop */
  73 void screen_remove_desktop(gboolean current);
  74
  75 guint screen_find_desktop(guint from, ObDirection dir,
  76                           gboolean wrap, gboolean linear);
  77
  78 /*! Show the desktop popup/notification */
  79 void screen_show_desktop_popup(guint d);
  80 /*! Hide it */
  81 void screen_hide_desktop_popup();
  82
  83 /*! Shows and focuses the desktop and hides all the client windows, or
  84   returns to the normal state, showing client windows.
  85   @param If show_only is non-NULL, then only that client is shown (assuming
  86          show is FALSE (restoring from show-desktop mode), and the rest are
  87          iconified.
  88 */
  89 void screen_show_desktop(gboolean show, struct _ObClient *show_only);
  90
  91 /*! Updates the desktop layout from the root property if available */
  92 void screen_update_layout();
  93
  94 /*! Get desktop names from the root window property */
  95 void screen_update_desktop_names();
  96
  97 /*! Installs or uninstalls a colormap for a client. If client is NULL, then
  98   it handles the root colormap. */
  99 void screen_install_colormap(struct _ObClient *client, gboolean install);
 100
 101 void screen_update_areas();
 102
 103 Rect *screen_physical_area_all_monitors();
 104
 105 Rect *screen_physical_area_monitor(guint head);
 106
 107 Rect *screen_physical_area_active();
 108
 109 /* doesn't include struts which the search area is already outside of when
 110    'search' is not NULL */
 111 #define SCREEN_AREA_ALL_MONITORS ((unsigned)-1)
 112 #define SCREEN_AREA_ONE_MONITOR  ((unsigned)-2)
 113
 114 /*! @param head is the number of the head or one of SCREEN_AREA_ALL_MONITORS,
 115            SCREEN_AREA_ONE_MONITOR
 116     @param search NULL or the whole monitor(s)
 117  */
 118 Rect* screen_area(guint desktop, guint head, Rect *search);
 119
 120 gboolean screen_physical_area_monitor_contains(guint head, Rect *search);
 121
 122 /*! Determines which physical monitor a rectangle is on by calculating the
 123     area of the part of the rectable on each monitor.  The number of the
 124     monitor containing the greatest area of the rectangle is returned.
 125 */
 126 guint screen_find_monitor(Rect *search);
 127
 128 /*! Sets the root cursor. This function decides which cursor to use, but you
 129   gotta call it to let it know it should change. */
 130 void screen_set_root_cursor();
 131
 132 /*! Gives back the pointer's position in x and y. Returns TRUE if the pointer
 133   is on this screen and FALSE if it is on another screen. */
 134 gboolean screen_pointer_pos(gint *x, gint *y);
 135
 136 #endif