2 * ewmh.c - EWMH support functions
4 * Copyright © 2007-2008 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 <sys/types.h>
26 #include <xcb/xcb_atom.h>
35 #include "common/atoms.h"
37 extern awesome_t globalconf
;
39 #define _NET_WM_STATE_REMOVE 0
40 #define _NET_WM_STATE_ADD 1
41 #define _NET_WM_STATE_TOGGLE 2
44 ewmh_init(int phys_screen
)
47 xcb_screen_t
*xscreen
= xutil_screen_get(globalconf
.connection
, phys_screen
);
51 _NET_SUPPORTING_WM_CHECK
,
53 _NET_CLIENT_LIST_STACKING
,
54 _NET_NUMBER_OF_DESKTOPS
,
62 _NET_WM_VISIBLE_ICON_NAME
,
65 _NET_WM_WINDOW_TYPE_NORMAL
,
66 _NET_WM_WINDOW_TYPE_DESKTOP
,
67 _NET_WM_WINDOW_TYPE_DOCK
,
68 _NET_WM_WINDOW_TYPE_SPLASH
,
69 _NET_WM_WINDOW_TYPE_DIALOG
,
74 _NET_WM_STATE_SKIP_TASKBAR
,
75 _NET_WM_STATE_FULLSCREEN
,
80 _NET_WM_STATE_DEMANDS_ATTENTION
84 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
85 xscreen
->root
, _NET_SUPPORTED
, ATOM
, 32,
88 /* create our own window */
89 father
= xcb_generate_id(globalconf
.connection
);
90 xcb_create_window(globalconf
.connection
, xscreen
->root_depth
,
91 father
, xscreen
->root
, -1, -1, 1, 1, 0,
92 XCB_COPY_FROM_PARENT
, xscreen
->root_visual
, 0, NULL
);
94 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
95 xscreen
->root
, _NET_SUPPORTING_WM_CHECK
, WINDOW
, 32,
98 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
99 father
, _NET_SUPPORTING_WM_CHECK
, WINDOW
, 32,
102 /* set the window manager name */
103 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
104 father
, _NET_WM_NAME
, UTF8_STRING
, 8, 7, "awesome");
106 /* set the window manager PID */
108 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
109 father
, _NET_WM_PID
, CARDINAL
, 32, 1, &i
);
113 ewmh_update_net_client_list(int phys_screen
)
119 for(c
= globalconf
.clients
; c
; c
= c
->next
)
122 wins
= p_new(xcb_window_t
, n
);
124 for(n
= 0, c
= globalconf
.clients
; c
; c
= c
->next
, n
++)
125 if(c
->phys_screen
== phys_screen
)
128 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
129 xutil_screen_get(globalconf
.connection
, phys_screen
)->root
,
130 _NET_CLIENT_LIST
, WINDOW
, 32, n
, wins
);
135 /** Set the client list in stacking order, bottom to top.
136 * \param phys_screen The physical screen id.
139 ewmh_update_net_client_list_stacking(int phys_screen
)
145 for(c
= globalconf
.stack
; c
; c
= c
->next
)
148 wins
= p_new(xcb_window_t
, n
);
150 for(n
= 0, c
= *client_node_list_last(&globalconf
.stack
); c
; c
= c
->prev
, n
++)
151 if(c
->client
->phys_screen
== phys_screen
)
152 wins
[n
] = c
->client
->win
;
154 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
155 xutil_screen_get(globalconf
.connection
, phys_screen
)->root
,
156 _NET_CLIENT_LIST_STACKING
, WINDOW
, 32, n
, wins
);
162 ewmh_update_net_numbers_of_desktop(int phys_screen
)
164 uint32_t count
= globalconf
.screens
[phys_screen
].tags
.len
;
166 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
167 xutil_screen_get(globalconf
.connection
, phys_screen
)->root
,
168 _NET_NUMBER_OF_DESKTOPS
, CARDINAL
, 32, 1, &count
);
172 ewmh_update_net_current_desktop(int phys_screen
)
174 tag_array_t
*tags
= &globalconf
.screens
[phys_screen
].tags
;
176 tag_t
**curtags
= tags_get_current(phys_screen
);
178 for(count
= 0; tags
->tab
[count
] != curtags
[0]; count
++);
180 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
181 xutil_screen_get(globalconf
.connection
, phys_screen
)->root
,
182 _NET_CURRENT_DESKTOP
, CARDINAL
, 32, 1, &count
);
188 ewmh_update_net_desktop_names(int phys_screen
)
190 tag_array_t
*tags
= &globalconf
.screens
[phys_screen
].tags
;
193 buffer_inita(&buf
, BUFSIZ
);
195 for(int i
= 0; i
< tags
->len
; i
++)
197 buffer_adds(&buf
, tags
->tab
[i
]->name
);
198 buffer_addc(&buf
, '\0');
201 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
202 xutil_screen_get(globalconf
.connection
, phys_screen
)->root
,
203 _NET_DESKTOP_NAMES
, UTF8_STRING
, 8, buf
.len
, buf
.s
);
207 /** Update the work area space for each physical screen and each desktop.
208 * \param phys_screen The physical screen id.
211 ewmh_update_workarea(int phys_screen
)
213 tag_array_t
*tags
= &globalconf
.screens
[phys_screen
].tags
;
214 uint32_t *area
= p_alloca(uint32_t, tags
->len
* 4);
215 area_t geom
= screen_area_get(phys_screen
,
216 globalconf
.screens
[phys_screen
].statusbar
,
217 &globalconf
.screens
[phys_screen
].padding
);
220 for(int i
= 0; i
< tags
->len
; i
++)
222 area
[4 * i
+ 0] = geom
.x
;
223 area
[4 * i
+ 1] = geom
.y
;
224 area
[4 * i
+ 2] = geom
.width
;
225 area
[4 * i
+ 3] = geom
.height
;
228 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
229 xutil_screen_get(globalconf
.connection
, phys_screen
)->root
,
230 _NET_WORKAREA
, CARDINAL
, 32, tags
->len
* 4, area
);
234 ewmh_update_net_active_window(int phys_screen
)
238 if(globalconf
.screen_focus
->client_focus
239 && globalconf
.screen_focus
->client_focus
->phys_screen
== phys_screen
)
240 win
= globalconf
.screen_focus
->client_focus
->win
;
244 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
,
245 xutil_screen_get(globalconf
.connection
, phys_screen
)->root
,
246 _NET_ACTIVE_WINDOW
, WINDOW
, 32, 1, &win
);
250 ewmh_process_state_atom(client_t
*c
, xcb_atom_t state
, int set
)
252 if(state
== _NET_WM_STATE_STICKY
)
254 tag_array_t
*tags
= &globalconf
.screens
[c
->screen
].tags
;
255 for(int i
= 0; i
< tags
->len
; i
++)
256 tag_client(c
, tags
->tab
[i
]);
258 else if(state
== _NET_WM_STATE_SKIP_TASKBAR
)
260 if(set
== _NET_WM_STATE_REMOVE
)
265 else if(set
== _NET_WM_STATE_ADD
)
271 else if(state
== _NET_WM_STATE_FULLSCREEN
)
273 area_t geometry
= c
->geometry
;
274 if(set
== _NET_WM_STATE_REMOVE
)
276 /* restore geometry */
277 geometry
= c
->m_geometry
;
278 /* restore borders and titlebar */
279 if(c
->titlebar
&& c
->titlebar
->sw
&& (c
->titlebar
->position
= c
->titlebar
->oldposition
))
280 xcb_map_window(globalconf
.connection
, c
->titlebar
->sw
->window
);
283 client_setlayer(c
, c
->oldlayer
);
284 client_setborder(c
, c
->oldborder
);
285 client_setfloating(c
, c
->wasfloating
);
287 else if(set
== _NET_WM_STATE_ADD
)
289 geometry
= screen_area_get(c
->screen
, NULL
, &globalconf
.screens
[c
->screen
].padding
);
291 c
->m_geometry
= c
->geometry
;
292 c
->wasfloating
= c
->isfloating
;
293 /* disable titlebar and borders */
294 if(c
->titlebar
&& c
->titlebar
->sw
&& (c
->titlebar
->oldposition
= c
->titlebar
->position
))
296 xcb_unmap_window(globalconf
.connection
, c
->titlebar
->sw
->window
);
297 c
->titlebar
->position
= Off
;
300 c
->oldborder
= c
->border
;
301 client_setborder(c
, 0);
303 c
->oldlayer
= c
->layer
;
304 client_setlayer(c
, LAYER_FULLSCREEN
);
305 client_setfloating(c
, true);
307 widget_invalidate_cache(c
->screen
, WIDGET_CACHE_CLIENTS
);
308 client_resize(c
, geometry
, false);
310 else if(state
== _NET_WM_STATE_ABOVE
)
312 if(set
== _NET_WM_STATE_REMOVE
)
313 client_setlayer(c
, c
->oldlayer
);
314 else if(set
== _NET_WM_STATE_ADD
)
316 c
->oldlayer
= c
->layer
;
317 client_setlayer(c
, LAYER_ABOVE
);
320 else if(state
== _NET_WM_STATE_BELOW
)
322 if(set
== _NET_WM_STATE_REMOVE
)
323 client_setlayer(c
, c
->oldlayer
);
324 else if(set
== _NET_WM_STATE_ADD
)
326 c
->oldlayer
= c
->layer
;
327 client_setlayer(c
, LAYER_BELOW
);
330 else if(state
== _NET_WM_STATE_MODAL
)
332 if(set
== _NET_WM_STATE_REMOVE
)
333 client_setlayer(c
, c
->oldlayer
);
334 else if(set
== _NET_WM_STATE_ADD
)
336 c
->oldlayer
= c
->layer
;
337 client_setlayer(c
, LAYER_MODAL
);
340 else if(state
== _NET_WM_STATE_HIDDEN
)
342 if(set
== _NET_WM_STATE_REMOVE
)
344 else if(set
== _NET_WM_STATE_ADD
)
346 globalconf
.screens
[c
->screen
].need_arrange
= true;
348 else if(state
== _NET_WM_STATE_DEMANDS_ATTENTION
)
350 if(set
== _NET_WM_STATE_REMOVE
)
352 else if(set
== _NET_WM_STATE_ADD
)
356 luaA_client_userdata_new(globalconf
.L
, c
);
357 luaA_dofunction(globalconf
.L
, globalconf
.hooks
.urgent
, 1, 0);
358 widget_invalidate_cache(c
->screen
, WIDGET_CACHE_CLIENTS
);
364 ewmh_process_window_type_atom(client_t
*c
, xcb_atom_t state
)
366 if(state
== _NET_WM_WINDOW_TYPE_NORMAL
)
368 /* do nothing. this is REALLY IMPORTANT */
370 else if(state
== _NET_WM_WINDOW_TYPE_DOCK
371 || state
== _NET_WM_WINDOW_TYPE_SPLASH
)
375 if(c
->titlebar
&& c
->titlebar
->position
&& c
->titlebar
->sw
)
377 xcb_unmap_window(globalconf
.connection
, c
->titlebar
->sw
->window
);
378 c
->titlebar
->position
= Off
;
380 client_setborder(c
, 0);
382 client_setlayer(c
, LAYER_ABOVE
);
383 client_setfloating(c
, true);
385 else if(state
== _NET_WM_WINDOW_TYPE_DIALOG
)
387 client_setlayer(c
, LAYER_MODAL
);
388 client_setfloating(c
, true);
390 else if(state
== _NET_WM_WINDOW_TYPE_DESKTOP
)
392 tag_array_t
*tags
= &globalconf
.screens
[c
->screen
].tags
;
396 client_setlayer(c
, LAYER_DESKTOP
);
397 for(int i
= 0; i
< tags
->len
; i
++)
398 tag_client(c
, tags
->tab
[i
]);
403 ewmh_process_client_message(xcb_client_message_event_t
*ev
)
408 if(ev
->type
== _NET_CURRENT_DESKTOP
)
410 screen
< xcb_setup_roots_length(xcb_get_setup(globalconf
.connection
));
413 if(ev
->window
== xutil_screen_get(globalconf
.connection
, screen
)->root
)
414 tag_view_only_byindex(screen
, ev
->data
.data32
[0]);
416 else if(ev
->type
== _NET_CLOSE_WINDOW
)
418 if((c
= client_getbywin(ev
->window
)))
421 else if(ev
->type
== _NET_WM_DESKTOP
)
423 if((c
= client_getbywin(ev
->window
)))
425 tag_array_t
*tags
= &globalconf
.screens
[c
->screen
].tags
;
427 if(ev
->data
.data32
[0] == 0xffffffff)
428 for(int i
= 0; i
< tags
->len
; i
++)
429 tag_client(c
, tags
->tab
[i
]);
431 for(int i
= 0; i
< tags
->len
; i
++)
432 if((int)ev
->data
.data32
[0] == i
)
433 tag_client(c
, tags
->tab
[i
]);
435 untag_client(c
, tags
->tab
[i
]);
438 else if(ev
->type
== _NET_WM_STATE
)
440 if((c
= client_getbywin(ev
->window
)))
442 ewmh_process_state_atom(c
, (xcb_atom_t
) ev
->data
.data32
[1], ev
->data
.data32
[0]);
443 if(ev
->data
.data32
[2])
444 ewmh_process_state_atom(c
, (xcb_atom_t
) ev
->data
.data32
[2],
453 ewmh_check_client_hints(client_t
*c
)
458 xcb_get_property_cookie_t c0
, c1
, c2
;
459 xcb_get_property_reply_t
*reply
;
461 /* Send the GetProperty requests which will be processed later */
462 c0
= xcb_get_property_unchecked(globalconf
.connection
, false, c
->win
,
463 _NET_WM_DESKTOP
, XCB_GET_PROPERTY_TYPE_ANY
, 0, 1);
465 c1
= xcb_get_property_unchecked(globalconf
.connection
, false, c
->win
,
466 _NET_WM_STATE
, ATOM
, 0, UINT32_MAX
);
468 c2
= xcb_get_property_unchecked(globalconf
.connection
, false, c
->win
,
469 _NET_WM_WINDOW_TYPE
, ATOM
, 0, UINT32_MAX
);
471 reply
= xcb_get_property_reply(globalconf
.connection
, c0
, NULL
);
472 if(reply
&& reply
->value_len
&& (data
= xcb_get_property_value(reply
)))
474 tag_array_t
*tags
= &globalconf
.screens
[c
->screen
].tags
;
476 desktop
= *(uint32_t *) data
;
478 for(int i
= 0; i
< tags
->len
; i
++)
479 tag_client(c
, tags
->tab
[i
]);
481 for(int i
= 0; i
< tags
->len
; i
++)
483 tag_client(c
, tags
->tab
[i
]);
485 untag_client(c
, tags
->tab
[i
]);
490 reply
= xcb_get_property_reply(globalconf
.connection
, c1
, NULL
);
491 if(reply
&& (data
= xcb_get_property_value(reply
)))
493 state
= (xcb_atom_t
*) data
;
494 for(int i
= 0; i
< xcb_get_property_value_length(reply
); i
++)
495 ewmh_process_state_atom(c
, state
[i
], _NET_WM_STATE_ADD
);
500 reply
= xcb_get_property_reply(globalconf
.connection
, c2
, NULL
);
501 if(reply
&& (data
= xcb_get_property_value(reply
)))
503 state
= (xcb_atom_t
*) data
;
504 for(int i
= 0; i
< xcb_get_property_value_length(reply
); i
++)
505 ewmh_process_window_type_atom(c
, state
[i
]);
512 * \param w The window.
513 * \return A netwm_icon_t structure which must be deleted after usage.
516 ewmh_get_window_icon(xcb_window_t w
)
522 unsigned char *imgdata
;
523 xcb_get_property_reply_t
*r
;
525 r
= xcb_get_property_reply(globalconf
.connection
,
526 xcb_get_property_unchecked(globalconf
.connection
, false, w
,
527 _NET_WM_ICON
, CARDINAL
, 0, UINT32_MAX
),
529 if(!r
|| r
->type
!= CARDINAL
|| r
->format
!= 32 || r
->length
< 2 ||
530 !(data
= (uint32_t *) xcb_get_property_value(r
)))
536 icon
= p_new(netwm_icon_t
, 1);
538 icon
->width
= data
[0];
539 icon
->height
= data
[1];
540 size
= icon
->width
* icon
->height
;
549 icon
->image
= p_new(unsigned char, size
* 4);
550 for(imgdata
= icon
->image
, i
= 2; i
< size
+ 2; i
++, imgdata
+= 4)
552 imgdata
[3] = (data
[i
] >> 24) & 0xff; /* A */
553 alpha
= imgdata
[3] / 255.0;
554 imgdata
[2] = ((data
[i
] >> 16) & 0xff) * alpha
; /* R */
555 imgdata
[1] = ((data
[i
] >> 8) & 0xff) * alpha
; /* G */
556 imgdata
[0] = (data
[i
] & 0xff) * alpha
; /* B */
572 for(c
= globalconf
.clients
; c
; c
= c
->next
)
575 xcb_aux_sync(globalconf
.connection
);
576 xcb_disconnect(globalconf
.connection
);
578 a_exec(globalconf
.argv
);
581 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80