titlebar.h

   1 /*
   2  * titlebar.h - titlebar management header
   3  *
   4  * Copyright © 2008 Julien Danjou <julien@danjou.info>
   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  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #ifndef AWESOME_TITLEBAR_H
  23 #define AWESOME_TITLEBAR_H
  24
  25 #include "wibox.h"
  26 #include "client.h"
  27 #include "window.h"
  28
  29 client_t * client_getbytitlebar(wibox_t *);
  30 client_t * client_getbytitlebarwin(xcb_window_t);
  31 void titlebar_geometry_compute(client_t *, area_t, area_t *);
  32 void titlebar_init(client_t *);
  33 void titlebar_client_detach(client_t *);
  34 void titlebar_client_attach(client_t *);
  35 void titlebar_set_visible(wibox_t *, bool);
  36 void titlebar_ban(wibox_t *);
  37 void titlebar_unban(wibox_t *);
  38
  39 int luaA_titlebar_set_position(lua_State *, int);
  40
  41 static inline bool
  42 titlebar_isvisible(client_t *c, screen_t *screen)
  43 {
  44     if(client_isvisible(c, screen))
  45     {
  46         if(c->fullscreen)
  47             return false;
  48         if(!c->titlebar || !c->titlebar->visible)
  49             return false;
  50         return true;
  51     }
  52     return false;
  53 }
  54
  55 /** Add the titlebar geometry and border to a geometry.
  56  * \param t The titlebar
  57  * \param border The client border size.
  58  * \param geometry The geometry
  59  * \return A new geometry bigger if the titlebar is visible.
  60  */
  61 static inline area_t
  62 titlebar_geometry_add(wibox_t *t, int border, area_t geometry)
  63 {
  64     /* We need to add titlebar border to the total width and height.
  65      * This can then be subtracted/added to the width/height/x/y.
  66      * In this case the border is included, because it belongs to a different window.
  67      */
  68     if(t && t->visible)
  69         switch(t->position)
  70         {
  71           case Top:
  72             geometry.y -= t->geometry.height;
  73             geometry.height += t->geometry.height;
  74             break;
  75           case Bottom:
  76             geometry.height += t->geometry.height;
  77             break;
  78           case Left:
  79             geometry.x -= t->geometry.width;
  80             geometry.width += t->geometry.width;
  81             break;
  82           case Right:
  83             geometry.width += t->geometry.width;
  84             break;
  85           default:
  86             break;
  87         }
  88
  89     /* Adding a border to a client only changes width and height, x and y are including border. */
  90     geometry.width += 2 * border;
  91     geometry.height += 2 * border;
  92
  93     return geometry;
  94 }
  95
  96 /** Remove the titlebar geometry and border width to a geometry.
  97  * \param t The titlebar.
  98  * \param border The client border size.
  99  * \param geometry The geometry.
 100  * \return A new geometry smaller if the titlebar is visible.
 101  */
 102 static inline area_t
 103 titlebar_geometry_remove(wibox_t *t, int border, area_t geometry)
 104 {
 105     /* We need to add titlebar border to the total width and height.
 106      * This can then be subtracted/added to the width/height/x/y.
 107      * In this case the border is included, because it belongs to a different window.
 108      */
 109     if(t && t->visible)
 110         switch(t->position)
 111         {
 112           case Top:
 113             geometry.y += t->geometry.height;
 114             unsigned_subtract(geometry.height, t->geometry.height);
 115             break;
 116           case Bottom:
 117             unsigned_subtract(geometry.height, t->geometry.height);
 118             break;
 119           case Left:
 120             geometry.x += t->geometry.width;
 121             unsigned_subtract(geometry.width, t->geometry.width);
 122             break;
 123           case Right:
 124             unsigned_subtract(geometry.width, t->geometry.width);
 125             break;
 126           default:
 127             break;
 128         }
 129
 130     /* Adding a border to a client only changes width and height, x and y are including border. */
 131     unsigned_subtract(geometry.width, 2*border);
 132     unsigned_subtract(geometry.height, 2*border);
 133
 134     return geometry;
 135 }
 136
 137 /** Update the titlebar geometry for a client.
 138  * \param c The client.
 139  */
 140 static inline void
 141 titlebar_update_geometry(client_t *c)
 142 {
 143     area_t geom;
 144
 145     if(!c->titlebar)
 146         return;
 147
 148     /* Client geometry without titlebar, but including borders, since that is always consistent. */
 149     titlebar_geometry_compute(c, titlebar_geometry_remove(c->titlebar, 0, c->geometry), &geom);
 150     luaA_object_push(globalconf.L, c->titlebar);
 151     wibox_moveresize(globalconf.L, -1, geom);
 152     lua_pop(globalconf.L, 1);
 153 }
 154
 155 #endif
 156 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80