482 lines
15 KiB
C
482 lines
15 KiB
C
/*
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* property.c - property handlers
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*
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* Copyright © 2008-2009 Julien Danjou <julien@danjou.info>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <xcb/xcb_atom.h>
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#include "screen.h"
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#include "property.h"
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#include "client.h"
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#include "ewmh.h"
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#include "wibox.h"
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#include "window.h"
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#include "luaa.h"
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#include "common/atoms.h"
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#include "common/xutil.h"
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#define HANDLE_TEXT_PROPERTY(funcname, atom, setfunc) \
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void \
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property_update_##funcname(client_t *c, xcb_get_property_reply_t *reply) \
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{ \
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bool no_reply = !reply; \
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if(no_reply) \
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reply = xcb_get_property_reply(globalconf.connection, \
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xcb_get_property(globalconf.connection, \
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false, \
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c->window, \
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atom, \
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XCB_GET_PROPERTY_TYPE_ANY, \
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0, \
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UINT_MAX), NULL); \
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luaA_object_push(globalconf.L, c); \
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setfunc(globalconf.L, -1, xutil_get_text_property_from_reply(reply)); \
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lua_pop(globalconf.L, 1); \
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if(no_reply) \
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p_delete(&reply); \
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} \
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static int \
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property_handle_##funcname(uint8_t state, \
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xcb_window_t window, \
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xcb_atom_t name, \
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xcb_get_property_reply_t *reply) \
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{ \
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client_t *c = client_getbywin(window); \
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if(c) \
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property_update_##funcname(c, reply); \
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return 0; \
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}
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HANDLE_TEXT_PROPERTY(wm_name, XCB_ATOM_WM_NAME, client_set_alt_name)
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HANDLE_TEXT_PROPERTY(net_wm_name, _NET_WM_NAME, client_set_name)
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HANDLE_TEXT_PROPERTY(wm_icon_name, XCB_ATOM_WM_ICON_NAME, client_set_alt_icon_name)
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HANDLE_TEXT_PROPERTY(net_wm_icon_name, _NET_WM_ICON_NAME, client_set_icon_name)
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HANDLE_TEXT_PROPERTY(wm_client_machine, XCB_ATOM_WM_CLIENT_MACHINE, client_set_machine)
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HANDLE_TEXT_PROPERTY(wm_window_role, WM_WINDOW_ROLE, client_set_role)
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#undef HANDLE_TEXT_PROPERTY
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#define HANDLE_PROPERTY(name) \
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static int \
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property_handle_##name(uint8_t state, \
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xcb_window_t window, \
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xcb_atom_t name, \
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xcb_get_property_reply_t *reply) \
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{ \
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client_t *c = client_getbywin(window); \
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if(c) \
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property_update_##name(c, reply); \
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return 0; \
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}
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HANDLE_PROPERTY(wm_protocols)
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HANDLE_PROPERTY(wm_transient_for)
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HANDLE_PROPERTY(wm_client_leader)
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HANDLE_PROPERTY(wm_normal_hints)
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HANDLE_PROPERTY(wm_hints)
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HANDLE_PROPERTY(wm_class)
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HANDLE_PROPERTY(net_wm_icon)
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HANDLE_PROPERTY(net_wm_pid)
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#undef HANDLE_PROPERTY
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void
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property_update_wm_transient_for(client_t *c, xcb_get_property_reply_t *reply)
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{
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xcb_window_t trans;
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if(reply)
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{
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if(!xcb_icccm_get_wm_transient_for_from_reply(&trans, reply))
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return;
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}
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else
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{
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if(!xcb_icccm_get_wm_transient_for_reply(globalconf.connection,
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xcb_icccm_get_wm_transient_for_unchecked(globalconf.connection,
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c->window),
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&trans, NULL))
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return;
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}
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luaA_object_push(globalconf.L, c);
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client_set_type(globalconf.L, -1, WINDOW_TYPE_DIALOG);
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client_set_above(globalconf.L, -1, false);
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client_set_transient_for(globalconf.L, -1, client_getbywin(trans));
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lua_pop(globalconf.L, 1);
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}
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/** Update leader hint of a client.
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* \param c The client.
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* \param reply (Optional) An existing reply.
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*/
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void
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property_update_wm_client_leader(client_t *c, xcb_get_property_reply_t *reply)
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{
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xcb_get_property_cookie_t client_leader_q;
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void *data;
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bool no_reply = !reply;
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if(no_reply)
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{
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client_leader_q = xcb_get_property_unchecked(globalconf.connection, false, c->window,
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WM_CLIENT_LEADER, XCB_ATOM_WINDOW, 1, 32);
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reply = xcb_get_property_reply(globalconf.connection, client_leader_q, NULL);
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}
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if(reply && reply->value_len && (data = xcb_get_property_value(reply)))
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c->leader_window = *(xcb_window_t *) data;
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/* Only free when we created a reply ourselves. */
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if(no_reply)
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p_delete(&reply);
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}
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/** Update the size hints of a client.
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* \param c The client.
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* \param reply (Optional) An existing reply.
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*/
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void
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property_update_wm_normal_hints(client_t *c, xcb_get_property_reply_t *reply)
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{
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if(reply)
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{
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if(!xcb_icccm_get_wm_size_hints_from_reply(&c->size_hints, reply))
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return;
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}
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else
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{
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if(!xcb_icccm_get_wm_normal_hints_reply(globalconf.connection,
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xcb_icccm_get_wm_normal_hints_unchecked(globalconf.connection,
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c->window),
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&c->size_hints, NULL))
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return;
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}
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}
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/** Update the WM hints of a client.
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* \param c The client.
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* \param reply (Optional) An existing reply.
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*/
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void
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property_update_wm_hints(client_t *c, xcb_get_property_reply_t *reply)
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{
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xcb_icccm_wm_hints_t wmh;
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if(reply)
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{
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if(!xcb_icccm_get_wm_hints_from_reply(&wmh, reply))
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return;
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}
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else
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{
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if(!xcb_icccm_get_wm_hints_reply(globalconf.connection,
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xcb_icccm_get_wm_hints_unchecked(globalconf.connection, c->window),
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&wmh, NULL))
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return;
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}
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luaA_object_push(globalconf.L, c);
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client_set_urgent(globalconf.L, -1, xcb_icccm_wm_hints_get_urgency(&wmh));
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if(wmh.flags & XCB_ICCCM_WM_HINT_STATE &&
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wmh.initial_state == XCB_ICCCM_WM_STATE_WITHDRAWN)
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client_set_border_width(globalconf.L, -1, 0);
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if(wmh.flags & XCB_ICCCM_WM_HINT_INPUT)
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c->nofocus = !wmh.input;
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if(wmh.flags & XCB_ICCCM_WM_HINT_WINDOW_GROUP)
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client_set_group_window(globalconf.L, -1, wmh.window_group);
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lua_pop(globalconf.L, 1);
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}
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/** Update WM_CLASS of a client.
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* \param c The client.
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* \param reply The reply to get property request, or NULL if none.
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*/
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void
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property_update_wm_class(client_t *c, xcb_get_property_reply_t *reply)
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{
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xcb_icccm_get_wm_class_reply_t hint;
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if(reply)
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{
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if(!xcb_icccm_get_wm_class_from_reply(&hint, reply))
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return;
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}
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else
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{
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if(!xcb_icccm_get_wm_class_reply(globalconf.connection,
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xcb_icccm_get_wm_class_unchecked(globalconf.connection, c->window),
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&hint, NULL))
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return;
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}
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luaA_object_push(globalconf.L, c);
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client_set_class_instance(globalconf.L, -1, hint.class_name, hint.instance_name);
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lua_pop(globalconf.L, 1);
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/* only delete reply if we get it ourselves */
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if(!reply)
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xcb_icccm_get_wm_class_reply_wipe(&hint);
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}
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static int
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property_handle_net_wm_strut_partial(uint8_t state,
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xcb_window_t window,
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xcb_atom_t name,
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xcb_get_property_reply_t *reply)
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{
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client_t *c = client_getbywin(window);
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if(c)
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ewmh_process_client_strut(c, reply);
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return 0;
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}
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void
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property_update_net_wm_icon(client_t *c,
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xcb_get_property_reply_t *reply)
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{
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luaA_object_push(globalconf.L, c);
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if(reply)
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{
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if(ewmh_window_icon_from_reply(reply))
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client_set_icon(globalconf.L, -2, -1);
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}
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else if(ewmh_window_icon_get_reply(ewmh_window_icon_get_unchecked(c->window)))
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client_set_icon(globalconf.L, -2, -1);
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/* remove client */
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lua_pop(globalconf.L, 1);
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}
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void
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property_update_net_wm_pid(client_t *c,
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xcb_get_property_reply_t *reply)
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{
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bool no_reply = !reply;
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if(no_reply)
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{
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xcb_get_property_cookie_t prop_c =
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xcb_get_property_unchecked(globalconf.connection, false, c->window, _NET_WM_PID, XCB_ATOM_CARDINAL, 0L, 1L);
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reply = xcb_get_property_reply(globalconf.connection, prop_c, NULL);
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}
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if(reply && reply->value_len)
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{
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uint32_t *rdata = xcb_get_property_value(reply);
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if(rdata)
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{
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luaA_object_push(globalconf.L, c);
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client_set_pid(globalconf.L, -1, *rdata);
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lua_pop(globalconf.L, 1);
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}
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}
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if(no_reply)
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p_delete(&reply);
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}
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/** Update the list of supported protocols for a client.
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* \param c The client.
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* \param reply The xcb property reply.
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*/
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void
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property_update_wm_protocols(client_t *c, xcb_get_property_reply_t *reply)
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{
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xcb_icccm_get_wm_protocols_reply_t protocols;
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xcb_get_property_reply_t *reply_copy;
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if(reply)
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{
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reply_copy = p_dup(reply, 1);
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if(!xcb_icccm_get_wm_protocols_from_reply(reply_copy, &protocols))
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{
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p_delete(&reply_copy);
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return;
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}
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}
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else
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{
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/* If this fails for any reason, we still got the old value */
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if(!xcb_icccm_get_wm_protocols_reply(globalconf.connection,
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xcb_icccm_get_wm_protocols_unchecked(globalconf.connection,
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c->window, WM_PROTOCOLS),
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&protocols, NULL))
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return;
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}
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xcb_icccm_get_wm_protocols_reply_wipe(&c->protocols);
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memcpy(&c->protocols, &protocols, sizeof(protocols));
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}
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/** The property notify event handler.
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* \param state currently unused
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* \param window The window to obtain update the property with.
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* \param name The protocol atom, currently unused.
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* \param reply (Optional) An existing reply.
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*/
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static int
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property_handle_xembed_info(uint8_t state,
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xcb_window_t window,
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xcb_atom_t name,
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xcb_get_property_reply_t *reply)
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{
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xembed_window_t *emwin = xembed_getbywin(&globalconf.embedded, window);
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if(emwin)
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xembed_property_update(globalconf.connection, emwin, reply);
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return 0;
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}
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static int
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property_handle_xrootpmap_id(uint8_t state,
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xcb_window_t window,
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xcb_atom_t name,
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xcb_get_property_reply_t *reply)
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{
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if(globalconf.xinerama_is_active)
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foreach(w, globalconf.wiboxes)
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(*w)->need_update = true;
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else
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{
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int screen = xutil_root2screen(globalconf.connection, window);
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foreach(w, globalconf.wiboxes)
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if(screen == screen_array_indexof(&globalconf.screens, (*w)->screen))
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(*w)->need_update = true;
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}
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return 0;
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}
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static int
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property_handle_net_wm_opacity(uint8_t state,
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xcb_window_t window,
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xcb_atom_t name,
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xcb_get_property_reply_t *reply)
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{
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wibox_t *wibox = wibox_getbywin(window);
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if(wibox)
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{
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luaA_object_push(globalconf.L, wibox);
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wibox_set_opacity(globalconf.L, -1, window_opacity_get_from_reply(reply));
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lua_pop(globalconf.L, -1);
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}
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else
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{
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client_t *c = client_getbywin(window);
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if(c)
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{
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luaA_object_push(globalconf.L, c);
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client_set_opacity(globalconf.L, -1, window_opacity_get_from_reply(reply));
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lua_pop(globalconf.L, 1);
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}
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}
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return 0;
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}
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/** The property notify event handler.
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* \param data Unused data.
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* \param connection The connection to the X server.
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* \param ev The event.
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* \return Status code, 0 if everything's fine.
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*/
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void
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property_handle_propertynotify(xcb_property_notify_event_t *ev)
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{
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uint32_t length;
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int (*handler)(uint8_t state,
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xcb_window_t window,
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xcb_atom_t name,
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xcb_get_property_reply_t *reply) = NULL;
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globalconf.timestamp = ev->time;
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/* Find the correct event handler */
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#define HANDLE(atom_, cb, len) \
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if (ev->atom == atom_) \
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{ \
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handler = cb; \
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length = len; \
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} else
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#define HANDLE_L(atom, cb) HANDLE(atom, cb, UINT_MAX)
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#define HANDLE_S(atom, cb) HANDLE(atom, cb, 1)
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#define END return
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/* Xembed stuff */
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HANDLE_L(_XEMBED_INFO, property_handle_xembed_info)
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/* ICCCM stuff */
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HANDLE_L(XCB_ATOM_WM_TRANSIENT_FOR, property_handle_wm_transient_for)
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HANDLE_L(WM_CLIENT_LEADER, property_handle_wm_client_leader)
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HANDLE_L(XCB_ATOM_WM_NORMAL_HINTS, property_handle_wm_normal_hints)
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HANDLE_L(XCB_ATOM_WM_HINTS, property_handle_wm_hints)
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HANDLE_L(XCB_ATOM_WM_NAME, property_handle_wm_name)
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HANDLE_L(XCB_ATOM_WM_ICON_NAME, property_handle_wm_icon_name)
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HANDLE_L(XCB_ATOM_WM_CLASS, property_handle_wm_class)
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HANDLE_L(WM_PROTOCOLS, property_handle_wm_protocols)
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HANDLE_L(XCB_ATOM_WM_CLIENT_MACHINE, property_handle_wm_client_machine)
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HANDLE_L(WM_WINDOW_ROLE, property_handle_wm_window_role)
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/* EWMH stuff */
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HANDLE_L(_NET_WM_NAME, property_handle_net_wm_name)
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HANDLE_L(_NET_WM_ICON_NAME, property_handle_net_wm_icon_name)
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HANDLE_L(_NET_WM_STRUT_PARTIAL, property_handle_net_wm_strut_partial)
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HANDLE_L(_NET_WM_ICON, property_handle_net_wm_icon)
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HANDLE_L(_NET_WM_PID, property_handle_net_wm_pid)
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HANDLE_S(_NET_WM_WINDOW_OPACITY, property_handle_net_wm_opacity)
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/* background change */
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HANDLE_S(_XROOTPMAP_ID, property_handle_xrootpmap_id)
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/* If nothing was found, return */
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END;
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#undef HANDLE_L
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#undef HANDLE_S
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#undef END
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/* Get the property, if needed. */
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xcb_get_property_reply_t *propr = NULL;
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if(ev->state != XCB_PROPERTY_DELETE)
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{
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xcb_get_property_cookie_t cookie =
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xcb_get_property(globalconf.connection, 0, ev->window, ev->atom,
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XCB_GET_PROPERTY_TYPE_ANY, 0, length);
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propr = xcb_get_property_reply(globalconf.connection, cookie, 0);
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}
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(*handler)(ev->state, ev->window, ev->atom, propr);
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p_delete(&propr);
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}
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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