hooks.c

   1 /*
   2  * hooks.c - Lua hooks management
   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 #include "structs.h"
  23
  24 extern awesome_t globalconf;
  25
  26 /** Set the function called each time a client gets focus. This function is
  27  * called with the client object as argument.
  28  * \param L The Lua VM state.
  29  * \return The number of elements pushed on stack.
  30  * \luastack
  31  * \lparam A function to call each time a client gets focus.
  32  */
  33 static int
  34 luaA_hooks_focus(lua_State *L)
  35 {
  36     return luaA_registerfct(L, 1, &globalconf.hooks.focus);
  37 }
  38
  39 /** Set the function called each time a client loses focus. This function is
  40  * called with the client object as argument.
  41  * \param L The Lua VM state.
  42  * \return The number of elements pushed on stack.
  43  * \luastack
  44  * \lparam A function to call each time a client loses focus.
  45  */
  46 static int
  47 luaA_hooks_unfocus(lua_State *L)
  48 {
  49     return luaA_registerfct(L, 1, &globalconf.hooks.unfocus);
  50 }
  51
  52 /** Set the function called each time a new client appears. This function is
  53  * called with the client object as argument.
  54  * \param L The Lua VM state.
  55  * \return The number of elements pushed on stack.
  56  * \luastack
  57  * \lparam A function to call on each new client.
  58  */
  59 static int
  60 luaA_hooks_manage(lua_State *L)
  61 {
  62     return luaA_registerfct(L, 1, &globalconf.hooks.manage);
  63 }
  64
  65 /** Set the function called each time a client goes away. This function is
  66  * called with the client object as argument.
  67  * \param L The Lua VM state.
  68  * \return The number of elements pushed on stack.
  69  * \luastack
  70  * \lparam A function to call when a client goes away.
  71  */
  72 static int
  73 luaA_hooks_unmanage(lua_State *L)
  74 {
  75     return luaA_registerfct(L, 1, &globalconf.hooks.unmanage);
  76 }
  77
  78 /** Set the function called each time the mouse enter a new window. This
  79  * function is called with the client object as argument.
  80  * \param L The Lua VM state.
  81  * \return The number of elements pushed on stack.
  82  * \luastack
  83  * \lparam A function to call each time a client gets mouse over it.
  84  */
  85 static int
  86 luaA_hooks_mouse_enter(lua_State *L)
  87 {
  88     return luaA_registerfct(L, 1, &globalconf.hooks.mouse_enter);
  89 }
  90
  91 /** Set the function called each time the mouse enter a new window. This
  92  * function is called with the client object as argument. (DEPRECATED)
  93  * \param L The Lua VM state.
  94  * \return The number of elements pushed on stack.
  95  * \luastack
  96  * \lparam A function to call each time a client gets mouse over it.
  97  */
  98 static int
  99 luaA_hooks_mouse_over(lua_State *L)
 100 {
 101     deprecate();
 102     return luaA_hooks_mouse_enter(L);
 103 }
 104
 105 /** Set the function called on each client list change.
 106  * This function is called without any argument.
 107  * \param L The Lua VM state.
 108  * \return The number of elements pushed on stack.
 109  * \luastack
 110  * \lparam A function to call on each client list change.
 111  */
 112 static int
 113 luaA_hooks_clients(lua_State *L)
 114 {
 115     return luaA_registerfct(L, 1, &globalconf.hooks.clients);
 116 }
 117
 118 /** Set the function called on each screen tag list change.
 119  * This function is called with a screen number as argument.
 120  * \param L The Lua VM state.
 121  * \return The number of elements pushed on stack.
 122  * \luastack
 123  * \lparam A function to call on each tag list change.
 124  */
 125 static int
 126 luaA_hooks_tags(lua_State *L)
 127 {
 128     return luaA_registerfct(L, 1, &globalconf.hooks.tags);
 129 }
 130
 131 /** Set the function called on each client's tags change.
 132  * This function is called with the client and the tag as argument.
 133  * \param L The Lua VM state.
 134  * \return The number of elements pushed on stack.
 135  * \luastack
 136  * \lparam A function to call on each client's tags change.
 137  */
 138 static int
 139 luaA_hooks_tagged(lua_State *L)
 140 {
 141     return luaA_registerfct(L, 1, &globalconf.hooks.tagged);
 142 }
 143
 144 /** Set the function called on each screen arrange. This function is called
 145  * with the screen number as argument.
 146  * \param L The Lua VM state.
 147  * \return The number of elements pushed on stack.
 148  * \luastack
 149  * \lparam A function to call on each screen arrange.
 150  */
 151 static int
 152 luaA_hooks_arrange(lua_State *L)
 153 {
 154     return luaA_registerfct(L, 1, &globalconf.hooks.arrange);
 155 }
 156
 157 /** Set the function called on each client's property change.
 158  * This function is called with the client object as argument and the
 159  * property name.
 160  * \param L The Lua VM state.
 161  * \return The number of elements pushed on stack.
 162  * \luastack
 163  * \lparam A function to call on each client property update.
 164  */
 165 static int
 166 luaA_hooks_property(lua_State *L)
 167 {
 168     return luaA_registerfct(L, 1, &globalconf.hooks.property);
 169 }
 170
 171 /** Set the function to be called every N seconds.
 172  * \param L The Lua VM state.
 173  * \return The number of elements pushed on stack.
 174  * \luastack
 175  * \lparam The number of seconds to run function every. Set 0 to disable.
 176  * \lparam A function to call every N seconds (optional).
 177  */
 178 static int
 179 luaA_hooks_timer(lua_State *L)
 180 {
 181     globalconf.timer.repeat = luaL_checknumber(L, 1);
 182
 183     if(lua_gettop(L) == 2 && !lua_isnil(L, 2))
 184         luaA_registerfct(L, 2, &globalconf.hooks.timer);
 185
 186     ev_timer_again(globalconf.loop, &globalconf.timer);
 187     return 0;
 188 }
 189
 190 const struct luaL_reg awesome_hooks_lib[] =
 191 {
 192     { "focus", luaA_hooks_focus },
 193     { "unfocus", luaA_hooks_unfocus },
 194     { "manage", luaA_hooks_manage },
 195     { "unmanage", luaA_hooks_unmanage },
 196     { "mouse_enter", luaA_hooks_mouse_enter },
 197     { "property", luaA_hooks_property },
 198     { "arrange", luaA_hooks_arrange },
 199     { "clients", luaA_hooks_clients },
 200     { "tags", luaA_hooks_tags },
 201     { "tagged", luaA_hooks_tagged },
 202     { "timer", luaA_hooks_timer },
 203     /* deprecated */
 204     { "mouse_over", luaA_hooks_mouse_over },
 205     { NULL, NULL }
 206 };