2 * root.c - root window management
4 * Copyright © 2008-2009 Julien Danjou <julien@danjou.info>
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.
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.
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.
22 #include <X11/keysym.h>
23 #include <X11/XF86keysym.h>
24 #include <xcb/xtest.h>
26 #include "globalconf.h"
27 #include "objects/button.h"
28 #include "objects/drawin.h"
31 #include "common/xcursor.h"
32 #include "common/xutil.h"
35 _string_to_key_code(const char *s
)
38 xcb_keycode_t
*keycodes
;
40 keysym
= XStringToKeysym(s
);
41 keycodes
= xcb_key_symbols_get_keycode(globalconf
.keysyms
, keysym
);
44 return keycodes
[0]; /* XXX only returning the first is probably not
51 /** Send fake events. Usually the current focused client will get it.
52 * \param L The Lua VM state.
53 * \return The number of element pushed on stack.
55 * \lparam The event type: key_press, key_release, button_press, button_release
57 * \lparam The detail: in case of a key event, this is the keycode to send, in
58 * case of a button event this is the number of the button. In case of a motion
59 * event, this is a boolean value which if true make the coordinates relatives.
60 * \lparam In case of a motion event, this is the X coordinate.
61 * \lparam In case of a motion event, this is the Y coordinate.
62 * If not specified, the current one is used.
65 luaA_root_fake_input(lua_State
*L
)
67 if(!globalconf
.have_xtest
)
69 luaA_warn(L
, "XTest extension is not available, cannot fake input.");
73 const char *stype
= luaL_checkstring(L
, 1);
77 if (A_STREQ(stype
, "key_press"))
80 if(lua_type(L
, 2) == LUA_TSTRING
) {
81 detail
= _string_to_key_code(lua_tostring(L
, 2)); /* keysym */
83 detail
= luaL_checknumber(L
, 2); /* keycode */
86 else if(A_STREQ(stype
, "key_release"))
88 type
= XCB_KEY_RELEASE
;
89 if(lua_type(L
, 2) == LUA_TSTRING
) {
90 detail
= _string_to_key_code(lua_tostring(L
, 2)); /* keysym */
92 detail
= luaL_checknumber(L
, 2); /* keycode */
95 else if(A_STREQ(stype
, "button_press"))
97 type
= XCB_BUTTON_PRESS
;
98 detail
= luaL_checknumber(L
, 2); /* button number */
100 else if(A_STREQ(stype
, "button_release"))
102 type
= XCB_BUTTON_RELEASE
;
103 detail
= luaL_checknumber(L
, 2); /* button number */
105 else if(A_STREQ(stype
, "motion_notify"))
107 type
= XCB_MOTION_NOTIFY
;
108 detail
= luaA_checkboolean(L
, 2); /* relative to the current position or not */
109 x
= luaL_checknumber(L
, 3);
110 y
= luaL_checknumber(L
, 4);
115 xcb_test_fake_input(globalconf
.connection
,
125 /** Get or set global key bindings.
126 * This binding will be available when you'll press keys on root window.
127 * \param L The Lua VM state.
128 * \return The number of element pushed on stack.
130 * \lparam An array of key bindings objects, or nothing.
131 * \lreturn The array of key bindings objects of this client.
134 luaA_root_keys(lua_State
*L
)
136 if(lua_gettop(L
) == 1)
138 luaA_checktable(L
, 1);
140 foreach(key
, globalconf
.keys
)
141 luaA_object_unref(globalconf
.L
, *key
);
143 key_array_wipe(&globalconf
.keys
);
144 key_array_init(&globalconf
.keys
);
147 while(lua_next(L
, 1))
148 key_array_append(&globalconf
.keys
, luaA_object_ref_class(L
, -1, &key_class
));
150 xcb_screen_t
*s
= globalconf
.screen
;
151 xcb_ungrab_key(globalconf
.connection
, XCB_GRAB_ANY
, s
->root
, XCB_BUTTON_MASK_ANY
);
152 xwindow_grabkeys(s
->root
, &globalconf
.keys
);
157 lua_createtable(L
, globalconf
.keys
.len
, 0);
158 for(int i
= 0; i
< globalconf
.keys
.len
; i
++)
160 luaA_object_push(L
, globalconf
.keys
.tab
[i
]);
161 lua_rawseti(L
, -2, i
+ 1);
167 /** Get or set global mouse bindings.
168 * This binding will be available when you'll click on root window.
169 * \param L The Lua VM state.
170 * \return The number of element pushed on stack.
172 * \lparam An array of mouse button bindings objects, or nothing.
173 * \lreturn The array of mouse button bindings objects.
176 luaA_root_buttons(lua_State
*L
)
178 if(lua_gettop(L
) == 1)
180 luaA_checktable(L
, 1);
182 foreach(button
, globalconf
.buttons
)
183 luaA_object_unref(globalconf
.L
, *button
);
185 button_array_wipe(&globalconf
.buttons
);
186 button_array_init(&globalconf
.buttons
);
189 while(lua_next(L
, 1))
190 button_array_append(&globalconf
.buttons
, luaA_object_ref(L
, -1));
195 lua_createtable(L
, globalconf
.buttons
.len
, 0);
196 for(int i
= 0; i
< globalconf
.buttons
.len
; i
++)
198 luaA_object_push(L
, globalconf
.buttons
.tab
[i
]);
199 lua_rawseti(L
, -2, i
+ 1);
205 /** Set the root cursor.
206 * \param L The Lua VM state.
207 * \return The number of element pushed on stack.
209 * \lparam A X cursor name.
212 luaA_root_cursor(lua_State
*L
)
214 const char *cursor_name
= luaL_checkstring(L
, 1);
215 uint16_t cursor_font
= xcursor_font_fromstr(cursor_name
);
219 uint32_t change_win_vals
[] = { xcursor_new(globalconf
.connection
, cursor_font
) };
221 xcb_change_window_attributes(globalconf
.connection
,
222 globalconf
.screen
->root
,
227 luaA_warn(L
, "invalid cursor %s", cursor_name
);
232 /** Get the drawins attached to a screen.
233 * \param L The Lua VM state.
234 * \return The number of element pushed on stack.
236 * \lreturn A table with all drawins.
239 luaA_root_drawins(lua_State
*L
)
241 lua_createtable(L
, globalconf
.drawins
.len
, 0);
243 for(int i
= 0; i
< globalconf
.drawins
.len
; i
++)
245 luaA_object_push(L
, globalconf
.drawins
.tab
[i
]);
246 lua_rawseti(L
, -2, i
+ 1);
252 const struct luaL_reg awesome_root_lib
[] =
254 { "buttons", luaA_root_buttons
},
255 { "keys", luaA_root_keys
},
256 { "cursor", luaA_root_cursor
},
257 { "fake_input", luaA_root_fake_input
},
258 { "drawins", luaA_root_drawins
},
262 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80