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
  27 client_t * client_getbytitlebar(wibox_t *);
  28 client_t * client_getbytitlebarwin(xcb_window_t);
  29 void titlebar_geometry_compute(client_t *, area_t, area_t *);
  30 void titlebar_init(client_t *);
  31 void titlebar_client_detach(client_t *);
  32 void titlebar_client_attach(client_t *, wibox_t *);
  33 void titlebar_set_visible(wibox_t *t, bool visible);
  34
  35 int luaA_titlebar_newindex(lua_State *, wibox_t *, awesome_token_t);
  36
  37 /** Add the titlebar geometry and border to a geometry.
  38  * \param t The titlebar
  39  * \param border The client border size.
  40  * \param geometry The geometry
  41  * \return A new geometry bigger if the titlebar is visible.
  42  */
  43 static inline area_t
  44 titlebar_geometry_add(wibox_t *t, int border, area_t geometry)
  45 {
  46     /* We need to add titlebar border to the total width and height.
  47      * This can then be substracted/added to the witdh/height/x/y.
  48      * In this case the border is included, because it belongs to a different window.
  49      */
  50     if(t)
  51         switch(t->position)
  52         {
  53           case Top:
  54             geometry.y -= t->sw.geometry.height;
  55             geometry.height += t->sw.geometry.height;
  56             break;
  57           case Bottom:
  58             geometry.height += t->sw.geometry.height;
  59             break;
  60           case Left:
  61             geometry.x -= t->sw.geometry.width;
  62             geometry.width += t->sw.geometry.width;
  63             break;
  64           case Right:
  65             geometry.width += t->sw.geometry.width;
  66             break;
  67           default:
  68             break;
  69         }
  70
  71     /* Adding a border to a client only changes width and height, x and y are including border. */
  72     geometry.width += 2 * border;
  73     geometry.height += 2 * border;
  74
  75     return geometry;
  76 }
  77
  78 /** Remove the titlebar geometry and border width to a geometry.
  79  * \param t The titlebar.
  80  * \param border The client border size.
  81  * \param geometry The geometry.
  82  * \return A new geometry smaller if the titlebar is visible.
  83  */
  84 static inline area_t
  85 titlebar_geometry_remove(wibox_t *t, int border, area_t geometry)
  86 {
  87     /* We need to add titlebar border to the total width and height.
  88      * This can then be substracted/added to the witdh/height/x/y.
  89      * In this case the border is included, because it belongs to a different window.
  90      */
  91     if(t)
  92         switch(t->position)
  93         {
  94           case Top:
  95             geometry.y += t->sw.geometry.height;
  96             unsigned_subtract(geometry.height, t->sw.geometry.height);
  97             break;
  98           case Bottom:
  99             unsigned_subtract(geometry.height, t->sw.geometry.height);
 100             break;
 101           case Left:
 102             geometry.x += t->sw.geometry.width;
 103             unsigned_subtract(geometry.width, t->sw.geometry.width);
 104             break;
 105           case Right:
 106             unsigned_subtract(geometry.width, t->sw.geometry.width);
 107             break;
 108           default:
 109             break;
 110         }
 111
 112     /* Adding a border to a client only changes width and height, x and y are including border. */
 113     unsigned_subtract(geometry.width, 2*border);
 114     unsigned_subtract(geometry.height, 2*border);
 115
 116     return geometry;
 117 }
 118
 119 /** Update the titlebar geometry for a client.
 120  * \param c The client.
 121  */
 122 static inline void
 123 titlebar_update_geometry(client_t *c)
 124 {
 125     area_t geom;
 126
 127     if(!c->titlebar)
 128         return;
 129
 130     titlebar_geometry_compute(c, c->geometry, &geom);
 131     /* Can't actually move titlebar right now, but we will resize it. */
 132     if(c->isbanned)
 133     {
 134         area_t moved_geom = geom;
 135
 136         /* Make sure it stays outside the viewport. */
 137         moved_geom.x = - geom.width;
 138         moved_geom.y = - geom.height;
 139
 140         wibox_moveresize(c->titlebar, moved_geom);
 141
 142         /* Store the real geometry. */
 143         c->titlebar->sw.geometry = geom;
 144     }
 145     else
 146         wibox_moveresize(c->titlebar, geom);
 147 }
 148
 149 #endif
 150 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80