/* * systray.c - systray handling * * Copyright © 2008 Julien Danjou * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * */ #include #include #include #include "screen.h" #include "systray.h" #include "window.h" #include "widget.h" #include "wibox.h" #include "common/array.h" #include "common/atoms.h" #include "common/xutil.h" #define SYSTEM_TRAY_REQUEST_DOCK 0 /* Begin icon docking */ /** Initialize systray information in X. * \param phys_screen Physical screen. */ void systray_init(int phys_screen) { xcb_screen_t *xscreen = xutil_screen_get(globalconf.connection, phys_screen); globalconf.screens.tab[phys_screen].systray.window = xcb_generate_id(globalconf.connection); xcb_create_window(globalconf.connection, xscreen->root_depth, globalconf.screens.tab[phys_screen].systray.window, xscreen->root, -1, -1, 1, 1, 0, XCB_COPY_FROM_PARENT, xscreen->root_visual, 0, NULL); } /** Refresh all systrays registrations per physical screen */ void systray_refresh() { bool has_systray; int nscreen = xcb_setup_roots_length(xcb_get_setup(globalconf.connection)); for(int phys_screen = 0; phys_screen < nscreen; phys_screen++) { has_systray = false; foreach(w, globalconf.wiboxes) if(phys_screen == (*w)->ctx.phys_screen) has_systray |= (*w)->has_systray; if(has_systray) systray_register(phys_screen); else systray_cleanup(phys_screen); } } /** Register systray in X. * \param phys_screen Physical screen. */ void systray_register(int phys_screen) { xcb_client_message_event_t ev; xcb_screen_t *xscreen = xutil_screen_get(globalconf.connection, phys_screen); char *atom_name; xcb_intern_atom_cookie_t atom_systray_q; xcb_intern_atom_reply_t *atom_systray_r; xcb_atom_t atom_systray; /* Set registered even if it fails to don't try again unless forced */ if(globalconf.screens.tab[phys_screen].systray.registered) return; globalconf.screens.tab[phys_screen].systray.registered = true; /* Send requests */ if(!(atom_name = xcb_atom_name_by_screen("_NET_SYSTEM_TRAY", phys_screen))) { warn("error getting systray atom"); return; } atom_systray_q = xcb_intern_atom_unchecked(globalconf.connection, false, a_strlen(atom_name), atom_name); p_delete(&atom_name); /* Fill event */ p_clear(&ev, 1); ev.response_type = XCB_CLIENT_MESSAGE; ev.window = xscreen->root; ev.format = 32; ev.type = MANAGER; ev.data.data32[0] = XCB_CURRENT_TIME; ev.data.data32[2] = globalconf.screens.tab[phys_screen].systray.window; ev.data.data32[3] = ev.data.data32[4] = 0; if(!(atom_systray_r = xcb_intern_atom_reply(globalconf.connection, atom_systray_q, NULL))) { warn("error getting systray atom"); return; } ev.data.data32[1] = atom_systray = atom_systray_r->atom; p_delete(&atom_systray_r); xcb_set_selection_owner(globalconf.connection, globalconf.screens.tab[phys_screen].systray.window, atom_systray, XCB_CURRENT_TIME); xcb_send_event(globalconf.connection, false, xscreen->root, 0xFFFFFF, (char *) &ev); } /** Remove systray information in X. * \param phys_screen Physical screen. */ void systray_cleanup(int phys_screen) { xcb_intern_atom_reply_t *atom_systray_r; char *atom_name; if(!globalconf.screens.tab[phys_screen].systray.registered) return; globalconf.screens.tab[phys_screen].systray.registered = false; if(!(atom_name = xcb_atom_name_by_screen("_NET_SYSTEM_TRAY", phys_screen)) || !(atom_systray_r = xcb_intern_atom_reply(globalconf.connection, xcb_intern_atom_unchecked(globalconf.connection, false, a_strlen(atom_name), atom_name), NULL))) { warn("error getting systray atom"); p_delete(&atom_name); return; } p_delete(&atom_name); xcb_set_selection_owner(globalconf.connection, XCB_NONE, atom_systray_r->atom, XCB_CURRENT_TIME); p_delete(&atom_systray_r); } /** Handle a systray request. * \param embed_win The window to embed. * \param phys_screen The physical monitor to display on. * \param info The embedding info * \return 0 on no error. */ int systray_request_handle(xcb_window_t embed_win, int phys_screen, xembed_info_t *info) { xembed_window_t em; xcb_get_property_cookie_t em_cookie; const uint32_t select_input_val[] = { XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_ENTER_WINDOW }; /* check if not already trayed */ if(xembed_getbywin(&globalconf.embedded, embed_win)) return -1; p_clear(&em_cookie, 1); if(!info) em_cookie = xembed_info_get_unchecked(globalconf.connection, embed_win); xcb_change_window_attributes(globalconf.connection, embed_win, XCB_CW_EVENT_MASK, select_input_val); window_state_set(embed_win, XCB_WM_STATE_WITHDRAWN); /* we grab the window, but also make sure it's automatically reparented back * to the root window if we should die. */ xcb_change_save_set(globalconf.connection, XCB_SET_MODE_INSERT, embed_win); xcb_reparent_window(globalconf.connection, embed_win, globalconf.screens.tab[phys_screen].systray.window, 0, 0); em.win = embed_win; em.phys_screen = phys_screen; if(info) em.info = *info; else xembed_info_get_reply(globalconf.connection, em_cookie, &em.info); xembed_embedded_notify(globalconf.connection, em.win, globalconf.screens.tab[phys_screen].systray.window, MIN(XEMBED_VERSION, em.info.version)); xembed_window_array_append(&globalconf.embedded, em); widget_invalidate_bytype(widget_systray); return 0; } /** Handle systray message. * \param ev The event. * \return 0 on no error. */ int systray_process_client_message(xcb_client_message_event_t *ev) { int screen_nbr = 0, ret = 0; xcb_get_geometry_cookie_t geom_c; xcb_get_geometry_reply_t *geom_r; xcb_screen_iterator_t iter; switch(ev->data.data32[1]) { case SYSTEM_TRAY_REQUEST_DOCK: geom_c = xcb_get_geometry_unchecked(globalconf.connection, ev->window); if(!(geom_r = xcb_get_geometry_reply(globalconf.connection, geom_c, NULL))) return -1; for(iter = xcb_setup_roots_iterator(xcb_get_setup(globalconf.connection)), screen_nbr = 0; iter.rem && iter.data->root != geom_r->root; xcb_screen_next (&iter), ++screen_nbr); p_delete(&geom_r); ret = systray_request_handle(ev->data.data32[2], screen_nbr, NULL); break; } return ret; } /** Check if a window is a KDE tray. * \param w The window to check. * \return True if it is, false otherwise. */ bool systray_iskdedockapp(xcb_window_t w) { xcb_get_property_cookie_t kde_check_q; xcb_get_property_reply_t *kde_check; bool ret; /* Check if that is a KDE tray because it does not respect fdo standards, * thanks KDE. */ kde_check_q = xcb_get_property_unchecked(globalconf.connection, false, w, _KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR, WINDOW, 0, 1); kde_check = xcb_get_property_reply(globalconf.connection, kde_check_q, NULL); /* it's a KDE systray ?*/ ret = (kde_check && kde_check->value_len); p_delete(&kde_check); return ret; } /** Handle xembed client message. * \param ev The event. * \return 0 on no error. */ int xembed_process_client_message(xcb_client_message_event_t *ev) { switch(ev->data.data32[1]) { case XEMBED_REQUEST_FOCUS: xembed_focus_in(globalconf.connection, ev->window, XEMBED_FOCUS_CURRENT); break; } return 0; } // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80