/* * client.c - client management * * Copyright © 2007-2009 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 "tag.h" #include "ewmh.h" #include "screen.h" #include "titlebar.h" #include "systray.h" #include "property.h" #include "spawn.h" #include "common/atoms.h" #include "common/xutil.h" client_t * luaA_client_checkudata(lua_State *L, int ud) { client_t *c = luaL_checkudata(L, ud, "client"); if(c->invalid) luaL_error(L, "client is invalid\n"); return c; } /** Collect a client. * \param L The Lua VM state. * \return The number of element pushed on stack. */ static int luaA_client_gc(lua_State *L) { client_t *c = luaL_checkudata(L, 1, "client"); button_array_wipe(&c->buttons); key_array_wipe(&c->keys); xcb_get_wm_protocols_reply_wipe(&c->protocols); p_delete(&c->class); p_delete(&c->startup_id); p_delete(&c->instance); p_delete(&c->icon_name); p_delete(&c->name); return luaA_object_gc(L); } /** Change the clients urgency flag. * \param c The client * \param urgent The new flag state */ void client_seturgent(client_t *c, bool urgent) { if(c->isurgent != urgent) { xcb_get_property_cookie_t hints = xcb_get_wm_hints_unchecked(globalconf.connection, c->win); c->isurgent = urgent; ewmh_client_update_hints(c); /* update ICCCM hints */ xcb_wm_hints_t wmh; xcb_get_wm_hints_reply(globalconf.connection, hints, &wmh, NULL); if(urgent) wmh.flags |= XCB_WM_HINT_X_URGENCY; else wmh.flags &= ~XCB_WM_HINT_X_URGENCY; xcb_set_wm_hints(globalconf.connection, c->win, &wmh); hook_property(client, c, "urgent"); } } /** Returns true if a client is tagged * with one of the tags of the specified screen. * \param c The client to check. * \param screen Virtual screen. * \return true if the client is visible, false otherwise. */ bool client_maybevisible(client_t *c, screen_t *screen) { if(c->screen == screen) { if(c->issticky || c->type == WINDOW_TYPE_DESKTOP) return true; foreach(tag, screen->tags) if((*tag)->selected && is_client_tagged(c, *tag)) return true; } return false; } /** Return the content of a client as an image. * That's just take a screenshot. * \param c The client. * \return 1 if the image has been pushed on stack, false otherwise. */ static int client_getcontent(client_t *c) { xcb_image_t *ximage = xcb_image_get(globalconf.connection, c->win, 0, 0, c->geometries.internal.width, c->geometries.internal.height, ~0, XCB_IMAGE_FORMAT_Z_PIXMAP); int retval = 0; if(ximage) { if(ximage->bpp >= 24) { uint32_t *data = p_alloca(uint32_t, ximage->width * ximage->height); for(int y = 0; y < ximage->height; y++) for(int x = 0; x < ximage->width; x++) { data[y * ximage->width + x] = xcb_image_get_pixel(ximage, x, y); data[y * ximage->width + x] |= 0xff000000; /* set alpha to 0xff */ } retval = image_new_from_argb32(ximage->width, ximage->height, data); } xcb_image_destroy(ximage); } return retval; } /** Get a client by its window. * \param w The client window to find. * \return A client pointer if found, NULL otherwise. */ client_t * client_getbywin(xcb_window_t w) { foreach(c, globalconf.clients) if((*c)->win == w) return *c; return NULL; } /** Record that a client lost focus. * \param c Client being unfocused */ void client_unfocus_update(client_t *c) { globalconf.screens.tab[c->phys_screen].client_focus = NULL; ewmh_update_net_active_window(c->phys_screen); /* Call hook */ if(globalconf.hooks.unfocus != LUA_REFNIL) { client_push(globalconf.L, c); luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.unfocus, 1, 0); } } /** Unfocus a client. * \param c The client. */ void client_unfocus(client_t *c) { xcb_window_t root_win = xutil_screen_get(globalconf.connection, c->phys_screen)->root; /* Set focus on root window, so no events leak to the current window. * This kind of inlines client_setfocus(), but a root window will never have * the WM_TAKE_FOCUS protocol. */ xcb_set_input_focus(globalconf.connection, XCB_INPUT_FOCUS_PARENT, root_win, XCB_CURRENT_TIME); client_unfocus_update(c); } /** Check if client supports protocol a protocole in WM_PROTOCOL. * \param c The client. * \param atom The protocol atom to check for. * \return True if client has the atom in protocol, false otherwise. */ bool client_hasproto(client_t *c, xcb_atom_t atom) { uint32_t i; for(i = 0; i < c->protocols.atoms_len; i++) if(c->protocols.atoms[i] == atom) return true; return false; } /** Sets focus on window - using xcb_set_input_focus or WM_TAKE_FOCUS * \param c Client that should get focus * \param set_input_focus Should we call xcb_set_input_focus */ void client_setfocus(client_t *c, bool set_input_focus) { bool takefocus = client_hasproto(c, WM_TAKE_FOCUS); if(set_input_focus) xcb_set_input_focus(globalconf.connection, XCB_INPUT_FOCUS_PARENT, c->win, XCB_CURRENT_TIME); if(takefocus) window_takefocus(c->win); } /** Ban client and move it out of the viewport. * \param c The client. */ void client_ban(client_t *c) { if(!c->isbanned) { xcb_unmap_window(globalconf.connection, c->win); c->isbanned = true; if(globalconf.screens.tab[c->phys_screen].prev_client_focus == c) globalconf.screens.tab[c->phys_screen].prev_client_focus = NULL; /* Wait until the last moment to take away the focus from the window. */ if(globalconf.screens.tab[c->phys_screen].client_focus == c) client_unfocus(c); } } /** This is part of The Bob Marley Algorithmm: we ignore enter and leave window * in certain cases, like map/unmap or move, so we don't get spurious events. */ void client_ignore_enterleave_events(void) { foreach(c, globalconf.clients) xcb_change_window_attributes(globalconf.connection, (*c)->win, XCB_CW_EVENT_MASK, (const uint32_t []) { CLIENT_SELECT_INPUT_EVENT_MASK & ~(XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW) }); } void client_restore_enterleave_events(void) { foreach(c, globalconf.clients) xcb_change_window_attributes(globalconf.connection, (*c)->win, XCB_CW_EVENT_MASK, (const uint32_t []) { CLIENT_SELECT_INPUT_EVENT_MASK }); } /** Record that a client got focus. * \param c Client being focused. */ void client_focus_update(client_t *c) { if(!client_maybevisible(c, c->screen)) { /* Focus previously focused client */ client_focus(globalconf.screen_focus->prev_client_focus); return; } if(globalconf.screen_focus && globalconf.screen_focus->client_focus) { if (globalconf.screen_focus->client_focus != c) client_unfocus_update(globalconf.screen_focus->client_focus); else /* Already focused */ return; } /* stop hiding client */ c->ishidden = false; client_setminimized(c, false); /* unban the client before focusing for consistency */ client_unban(c); globalconf.screen_focus = &globalconf.screens.tab[c->phys_screen]; globalconf.screen_focus->prev_client_focus = c; globalconf.screen_focus->client_focus = c; /* according to EWMH, we have to remove the urgent state from a client */ client_seturgent(c, false); ewmh_update_net_active_window(c->phys_screen); /* execute hook */ if(globalconf.hooks.focus != LUA_REFNIL) { client_push(globalconf.L, c); luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.focus, 1, 0); } } /** Give focus to client, or to first client if client is NULL. * \param c The client or NULL. */ void client_focus(client_t *c) { /* We have to set focus on first client */ if(!c && globalconf.clients.len && !(c = globalconf.clients.tab[0])) return; if(!client_maybevisible(c, c->screen)) return; if (!c->nofocus) client_focus_update(c); client_setfocus(c, !c->nofocus); } /** Stack a window below. * \param c The client. * \param previous The previous window on the stack. * \return The next-previous! */ static xcb_window_t client_stack_above(client_t *c, xcb_window_t previous) { uint32_t config_win_vals[2]; config_win_vals[0] = previous; config_win_vals[1] = XCB_STACK_MODE_ABOVE; xcb_configure_window(globalconf.connection, c->win, XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, config_win_vals); config_win_vals[0] = c->win; if(c->titlebar) { xcb_configure_window(globalconf.connection, c->titlebar->window, XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, config_win_vals); previous = c->titlebar->window; } else previous = c->win; /* stack transient window on top of their parents */ foreach(node, globalconf.stack) if((*node)->transient_for == c) previous = client_stack_above(*node, previous); return previous; } /** Stacking layout layers */ typedef enum { /** This one is a special layer */ LAYER_IGNORE, LAYER_DESKTOP, LAYER_BELOW, LAYER_NORMAL, LAYER_ABOVE, LAYER_FULLSCREEN, LAYER_ONTOP, /** This one only used for counting and is not a real layer */ LAYER_COUNT } layer_t; /** Get the real layer of a client according to its attribute (fullscreen, …) * \param c The client. * \return The real layer. */ static layer_t client_layer_translator(client_t *c) { /* first deal with user set attributes */ if(c->isontop) return LAYER_ONTOP; else if(c->isfullscreen) return LAYER_FULLSCREEN; else if(c->isabove) return LAYER_ABOVE; else if(c->isbelow) return LAYER_BELOW; /* check for transient attr */ if(c->transient_for) return LAYER_IGNORE; /* then deal with windows type */ switch(c->type) { case WINDOW_TYPE_DESKTOP: return LAYER_DESKTOP; default: break; } return LAYER_NORMAL; } /** Restack clients. * \todo It might be worth stopping to restack everyone and only stack `c' * relatively to the first matching in the list. */ void client_stack_refresh() { uint32_t config_win_vals[2]; layer_t layer; if (!globalconf.client_need_stack_refresh) return; globalconf.client_need_stack_refresh = false; config_win_vals[0] = XCB_NONE; config_win_vals[1] = XCB_STACK_MODE_ABOVE; /* stack desktop windows */ for(layer = LAYER_DESKTOP; layer < LAYER_BELOW; layer++) foreach(node, globalconf.stack) if(client_layer_translator(*node) == layer) config_win_vals[0] = client_stack_above(*node, config_win_vals[0]); /* first stack not ontop wibox window */ foreach(_sb, globalconf.wiboxes) { wibox_t *sb = *_sb; if(!sb->ontop) { xcb_configure_window(globalconf.connection, sb->window, XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, config_win_vals); config_win_vals[0] = sb->window; } } /* then stack clients */ for(layer = LAYER_BELOW; layer < LAYER_COUNT; layer++) foreach(node, globalconf.stack) if(client_layer_translator(*node) == layer) config_win_vals[0] = client_stack_above(*node, config_win_vals[0]); /* then stack ontop wibox window */ foreach(_sb, globalconf.wiboxes) { wibox_t *sb = *_sb; if(sb->ontop) { xcb_configure_window(globalconf.connection, sb->window, XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, config_win_vals); config_win_vals[0] = sb->window; } } } /** Manage a new client. * \param w The window. * \param wgeom Window geometry. * \param phys_screen Physical screen number. * \param startup True if we are managing at startup time. */ void client_manage(xcb_window_t w, xcb_get_geometry_reply_t *wgeom, int phys_screen, bool startup) { xcb_get_property_cookie_t ewmh_icon_cookie; screen_t *screen; const uint32_t select_input_val[] = { CLIENT_SELECT_INPUT_EVENT_MASK }; if(systray_iskdedockapp(w)) { systray_request_handle(w, phys_screen, NULL); return; } /* Send request to get NET_WM_ICON property as soon as possible... */ ewmh_icon_cookie = ewmh_window_icon_get_unchecked(w); xcb_change_window_attributes(globalconf.connection, w, XCB_CW_EVENT_MASK, select_input_val); client_t *c = client_new(globalconf.L); /* Push client in client list */ client_array_push(&globalconf.clients, client_ref(globalconf.L, -1)); screen = c->screen = screen_getbycoord(&globalconf.screens.tab[phys_screen], wgeom->x, wgeom->y); c->phys_screen = phys_screen; /* consider the window banned */ c->isbanned = true; /* Initial values */ c->win = w; c->geometry.x = wgeom->x; c->geometry.y = wgeom->y; /* Border will be added later. */ c->geometry.width = wgeom->width; c->geometry.height = wgeom->height; /* Also set internal geometry (client_ban() needs it). */ c->geometries.internal.x = wgeom->x; c->geometries.internal.y = wgeom->y; c->geometries.internal.width = wgeom->width; c->geometries.internal.height = wgeom->height; client_setborder(c, wgeom->border_width); if(ewmh_window_icon_get_reply(ewmh_icon_cookie)) { client_push(globalconf.L, c); c->icon = luaA_object_ref_item(globalconf.L, -1, -2); lua_pop(globalconf.L, 1); } /* we honor size hints by default */ c->size_hints_honor = true; /* update hints */ property_update_wm_normal_hints(c, NULL); property_update_wm_hints(c, NULL); property_update_wm_transient_for(c, NULL); property_update_wm_client_leader(c, NULL); property_update_wm_client_machine(c); property_update_wm_window_role(c); property_update_net_wm_pid(c, NULL); /* get opacity */ c->opacity = window_opacity_get(c->win); /* Then check clients hints */ ewmh_client_check_hints(c); /* move client to screen, but do not tag it */ screen_client_moveto(c, screen, false, true); /* Push client in stack */ client_raise(c); /* update window title */ property_update_wm_name(c); property_update_wm_icon_name(c); property_update_wm_class(c, NULL); property_update_wm_protocols(c); xutil_text_prop_get(globalconf.connection, c->win, _NET_STARTUP_ID, &c->startup_id, NULL); /* update strut */ ewmh_process_client_strut(c, NULL); ewmh_update_net_client_list(c->phys_screen); /* Always stay in NORMAL_STATE. Even though iconified seems more * appropriate sometimes. The only possible loss is that clients not using * visibility events may continue to proces data (when banned). * Without any exposes or other events the cost should be fairly limited though. * * Some clients may expect the window to be unmapped when STATE_ICONIFIED. * Two conflicting parts of the ICCCM v2.0 (section 4.1.4): * * "Normal -> Iconic - The client should send a ClientMessage event as described later in this section." * (note no explicit mention of unmapping, while Normal->Widthdrawn does mention that) * * "Once a client's window has left the Withdrawn state, the window will be mapped * if it is in the Normal state and the window will be unmapped if it is in the Iconic state." * * At this stage it's just safer to keep it in normal state and avoid confusion. */ window_state_set(c->win, XCB_WM_STATE_NORMAL); if(!startup) spawn_start_notify(c); /* Call hook to notify list change */ if(globalconf.hooks.clients != LUA_REFNIL) luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.clients, 0, 0); /* call hook */ if(globalconf.hooks.manage != LUA_REFNIL) { client_push(globalconf.L, c); lua_pushboolean(globalconf.L, startup); luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.manage, 2, 0); } } /** Compute client geometry with respect to its geometry hints. * \param c The client. * \param geometry The geometry that the client might receive. * \return The geometry the client must take respecting its hints. */ area_t client_geometry_hints(client_t *c, area_t geometry) { int32_t basew, baseh, minw, minh; /* base size is substituted with min size if not specified */ if(c->size_hints.flags & XCB_SIZE_HINT_P_SIZE) { basew = c->size_hints.base_width; baseh = c->size_hints.base_height; } else if(c->size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE) { basew = c->size_hints.min_width; baseh = c->size_hints.min_height; } else basew = baseh = 0; /* min size is substituted with base size if not specified */ if(c->size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE) { minw = c->size_hints.min_width; minh = c->size_hints.min_height; } else if(c->size_hints.flags & XCB_SIZE_HINT_P_SIZE) { minw = c->size_hints.base_width; minh = c->size_hints.base_height; } else minw = minh = 0; if(c->size_hints.flags & XCB_SIZE_HINT_P_ASPECT && c->size_hints.min_aspect_num > 0 && c->size_hints.min_aspect_den > 0 && geometry.height - baseh > 0 && geometry.width - basew > 0) { double dx = (double) (geometry.width - basew); double dy = (double) (geometry.height - baseh); double min = (double) c->size_hints.min_aspect_num / (double) c->size_hints.min_aspect_den; double max = (double) c->size_hints.max_aspect_num / (double) c->size_hints.min_aspect_den; double ratio = dx / dy; if(max > 0 && min > 0 && ratio > 0) { if(ratio < min) { dy = (dx * min + dy) / (min * min + 1); dx = dy * min; geometry.width = (int) dx + basew; geometry.height = (int) dy + baseh; } else if(ratio > max) { dy = (dx * min + dy) / (max * max + 1); dx = dy * min; geometry.width = (int) dx + basew; geometry.height = (int) dy + baseh; } } } if(minw) geometry.width = MAX(geometry.width, minw); if(minh) geometry.height = MAX(geometry.height, minh); if(c->size_hints.flags & XCB_SIZE_HINT_P_MAX_SIZE) { if(c->size_hints.max_width) geometry.width = MIN(geometry.width, c->size_hints.max_width); if(c->size_hints.max_height) geometry.height = MIN(geometry.height, c->size_hints.max_height); } if(c->size_hints.flags & (XCB_SIZE_HINT_P_RESIZE_INC | XCB_SIZE_HINT_BASE_SIZE) && c->size_hints.width_inc && c->size_hints.height_inc) { uint16_t t1 = geometry.width, t2 = geometry.height; unsigned_subtract(t1, basew); unsigned_subtract(t2, baseh); geometry.width -= t1 % c->size_hints.width_inc; geometry.height -= t2 % c->size_hints.height_inc; } return geometry; } /** Resize client window. * The sizse given as parameters are with titlebar and borders! * \param c Client to resize. * \param geometry New window geometry. * \param hints Use size hints. * \return true if an actual resize occurred. */ bool client_resize(client_t *c, area_t geometry, bool hints) { area_t geometry_internal; area_t area; /* offscreen appearance fixes */ area = display_area_get(c->phys_screen); if(geometry.x > area.width) geometry.x = area.width - geometry.width; if(geometry.y > area.height) geometry.y = area.height - geometry.height; if(geometry.x + geometry.width < 0) geometry.x = 0; if(geometry.y + geometry.height < 0) geometry.y = 0; /* Real client geometry, please keep it contained to C code at the very least. */ geometry_internal = titlebar_geometry_remove(c->titlebar, c->border, geometry); if(hints) geometry_internal = client_geometry_hints(c, geometry_internal); if(geometry_internal.width == 0 || geometry_internal.height == 0) return false; /* Also let client hints propegate to the "official" geometry. */ geometry = titlebar_geometry_add(c->titlebar, c->border, geometry_internal); if(c->geometries.internal.x != geometry_internal.x || c->geometries.internal.y != geometry_internal.y || c->geometries.internal.width != geometry_internal.width || c->geometries.internal.height != geometry_internal.height) { screen_t *new_screen = screen_getbycoord(c->screen, geometry_internal.x, geometry_internal.y); /* Values to configure a window is an array where values are * stored according to 'value_mask' */ uint32_t values[4]; c->geometries.internal.x = values[0] = geometry_internal.x; c->geometries.internal.y = values[1] = geometry_internal.y; c->geometries.internal.width = values[2] = geometry_internal.width; c->geometries.internal.height = values[3] = geometry_internal.height; /* Also store geometry including border and titlebar. */ c->geometry = geometry; titlebar_update_geometry(c); /* Ignore all spurious enter/leave notify events */ client_ignore_enterleave_events(); xcb_configure_window(globalconf.connection, c->win, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values); client_restore_enterleave_events(); screen_client_moveto(c, new_screen, true, false); /* execute hook */ hook_property(client, c, "geometry"); return true; } return false; } /** Set a client minimized, or not. * \param c The client. * \param s Set or not the client minimized. */ void client_setminimized(client_t *c, bool s) { if(c->isminimized != s) { client_need_reban(c); c->isminimized = s; client_need_reban(c); if(s) window_state_set(c->win, XCB_WM_STATE_ICONIC); else window_state_set(c->win, XCB_WM_STATE_NORMAL); ewmh_client_update_hints(c); /* execute hook */ hook_property(client, c, "minimized"); } } /** Set a client sticky, or not. * \param c The client. * \param s Set or not the client sticky. */ void client_setsticky(client_t *c, bool s) { if(c->issticky != s) { client_need_reban(c); c->issticky = s; client_need_reban(c); ewmh_client_update_hints(c); hook_property(client, c, "sticky"); } } /** Set a client fullscreen, or not. * \param c The client. * \param s Set or not the client fullscreen. */ void client_setfullscreen(client_t *c, bool s) { if(c->isfullscreen != s) { area_t geometry; /* Make sure the current geometry is stored without titlebar. */ if(s) titlebar_ban(c->titlebar); /* become fullscreen! */ if((c->isfullscreen = s)) { /* remove any max state */ client_setmaxhoriz(c, false); client_setmaxvert(c, false); /* You can only be part of one of the special layers. */ client_setbelow(c, false); client_setabove(c, false); client_setontop(c, false); geometry = screen_area_get(c->screen, false); c->geometries.fullscreen = c->geometry; c->border_fs = c->border; client_setborder(c, 0); } else { geometry = c->geometries.fullscreen; client_setborder(c, c->border_fs); } client_resize(c, geometry, false); client_stack(); ewmh_client_update_hints(c); hook_property(client, c, "fullscreen"); } } /** Set a client horizontally maximized. * \param c The client. * \param s The maximized status. */ void client_setmaxhoriz(client_t *c, bool s) { if(c->ismaxhoriz != s) { area_t geometry; if((c->ismaxhoriz = s)) { /* remove fullscreen mode */ client_setfullscreen(c, false); geometry = screen_area_get(c->screen, true); geometry.y = c->geometry.y; geometry.height = c->geometry.height; c->geometries.max.x = c->geometry.x; c->geometries.max.width = c->geometry.width; } else { geometry = c->geometry; geometry.x = c->geometries.max.x; geometry.width = c->geometries.max.width; } client_resize(c, geometry, c->size_hints_honor); client_stack(); ewmh_client_update_hints(c); hook_property(client, c, "maximized_horizontal"); } } /** Set a client vertically maximized. * \param c The client. * \param s The maximized status. */ void client_setmaxvert(client_t *c, bool s) { if(c->ismaxvert != s) { area_t geometry; if((c->ismaxvert = s)) { /* remove fullscreen mode */ client_setfullscreen(c, false); geometry = screen_area_get(c->screen, true); geometry.x = c->geometry.x; geometry.width = c->geometry.width; c->geometries.max.y = c->geometry.y; c->geometries.max.height = c->geometry.height; } else { geometry = c->geometry; geometry.y = c->geometries.max.y; geometry.height = c->geometries.max.height; } client_resize(c, geometry, c->size_hints_honor); client_stack(); ewmh_client_update_hints(c); hook_property(client, c, "maximized_vertical"); } } /** Set a client above, or not. * \param c The client. * \param s Set or not the client above. */ void client_setabove(client_t *c, bool s) { if(c->isabove != s) { /* You can only be part of one of the special layers. */ if(s) { client_setbelow(c, false); client_setontop(c, false); client_setfullscreen(c, false); } c->isabove = s; client_stack(); ewmh_client_update_hints(c); /* execute hook */ hook_property(client, c, "above"); } } /** Set a client below, or not. * \param c The client. * \param s Set or not the client below. */ void client_setbelow(client_t *c, bool s) { if(c->isbelow != s) { /* You can only be part of one of the special layers. */ if(s) { client_setabove(c, false); client_setontop(c, false); client_setfullscreen(c, false); } c->isbelow = s; client_stack(); ewmh_client_update_hints(c); /* execute hook */ hook_property(client, c, "below"); } } /** Set a client modal, or not. * \param c The client. * \param s Set or not the client moda. */ void client_setmodal(client_t *c, bool s) { if(c->ismodal != s) { c->ismodal = s; client_stack(); ewmh_client_update_hints(c); /* execute hook */ hook_property(client, c, "modal"); } } /** Set a client ontop, or not. * \param c The client. * \param s Set or not the client moda. */ void client_setontop(client_t *c, bool s) { if(c->isontop != s) { /* You can only be part of one of the special layers. */ if(s) { client_setabove(c, false); client_setbelow(c, false); client_setfullscreen(c, false); } c->isontop = s; client_stack(); /* execute hook */ hook_property(client, c, "ontop"); } } /** Unban a client and move it back into the viewport. * \param c The client. */ void client_unban(client_t *c) { if(c->isbanned) { xcb_map_window(globalconf.connection, c->win); c->isbanned = false; } } /** Unmanage a client. * \param c The client. */ void client_unmanage(client_t *c) { tag_array_t *tags = &c->screen->tags; /* Reset transient_for attributes of widows that maybe refering to us */ foreach(_tc, globalconf.clients) { client_t *tc = *_tc; if(tc->transient_for == c) tc->transient_for = NULL; } if(globalconf.screens.tab[c->phys_screen].prev_client_focus == c) globalconf.screens.tab[c->phys_screen].prev_client_focus = NULL; if(globalconf.screens.tab[c->phys_screen].client_focus == c) client_unfocus(c); /* remove client from global list and everywhere else */ foreach(elem, globalconf.clients) if(*elem == c) { client_array_remove(&globalconf.clients, elem); break; } stack_client_remove(c); for(int i = 0; i < tags->len; i++) untag_client(c, tags->tab[i]); /* call hook */ if(globalconf.hooks.unmanage != LUA_REFNIL) { client_push(globalconf.L, c); luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.unmanage, 1, 0); } /* Call hook to notify list change */ if(globalconf.hooks.clients != LUA_REFNIL) luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.clients, 0, 0); window_state_set(c->win, XCB_WM_STATE_WITHDRAWN); titlebar_client_detach(c); ewmh_update_net_client_list(c->phys_screen); /* set client as invalid */ c->invalid = true; client_unref(globalconf.L, c); } /** Kill a client via a WM_DELETE_WINDOW request or KillClient if not * supported. * \param c The client to kill. */ void client_kill(client_t *c) { if(client_hasproto(c, WM_DELETE_WINDOW)) { xcb_client_message_event_t ev; /* Initialize all of event's fields first */ p_clear(&ev, 1); ev.response_type = XCB_CLIENT_MESSAGE; ev.window = c->win; ev.format = 32; ev.data.data32[1] = XCB_CURRENT_TIME; ev.type = WM_PROTOCOLS; ev.data.data32[0] = WM_DELETE_WINDOW; xcb_send_event(globalconf.connection, false, c->win, XCB_EVENT_MASK_NO_EVENT, (char *) &ev); } else xcb_kill_client(globalconf.connection, c->win); } /** Get all clients into a table. * \param L The Lua VM state. * \return The number of elements pushed on stack. * \luastack * \lparam An optional screen nunmber. * \lreturn A table with all clients. */ static int luaA_client_get(lua_State *L) { int i = 1, screen; screen = luaL_optnumber(L, 1, 0) - 1; lua_newtable(L); if(screen == -1) foreach(c, globalconf.clients) { client_push(L, *c); lua_rawseti(L, -2, i++); } else { luaA_checkscreen(screen); foreach(c, globalconf.clients) if((*c)->screen == &globalconf.screens.tab[screen]) { client_push(L, *c); lua_rawseti(L, -2, i++); } } return 1; } /** Check if a client is visible on its screen. * \param L The Lua VM state. * \return The number of elements pushed on stack. * \luastack * \lvalue A client. * \lreturn A boolean value, true if the client is visible, false otherwise. */ static int luaA_client_isvisible(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); lua_pushboolean(L, client_isvisible(c, c->screen)); return 1; } /** Set client border width. * \param c The client. * \param width The border width. */ void client_setborder(client_t *c, int width) { uint32_t w = width; if(width > 0 && (c->type == WINDOW_TYPE_DOCK || c->type == WINDOW_TYPE_SPLASH || c->type == WINDOW_TYPE_DESKTOP || c->isfullscreen)) return; if(width == c->border || width < 0) return; /* Update geometry with the new border. */ c->geometry.width -= 2 * c->border; c->geometry.height -= 2 * c->border; c->border = width; xcb_configure_window(globalconf.connection, c->win, XCB_CONFIG_WINDOW_BORDER_WIDTH, &w); c->geometry.width += 2 * c->border; c->geometry.height += 2 * c->border; /* Changing border size also affects the size of the titlebar. */ titlebar_update_geometry(c); hook_property(client, c, "border_width"); } /** Kill a client. * \param L The Lua VM state. * * \luastack * \lvalue A client. */ static int luaA_client_kill(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); client_kill(c); return 0; } /** Swap a client with another one. * \param L The Lua VM state. * \luastack * \lvalue A client. * \lparam A client to swap with. */ static int luaA_client_swap(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); client_t *swap = luaA_client_checkudata(L, 2); if(c != swap) { client_t **ref_c = NULL, **ref_swap = NULL; foreach(item, globalconf.clients) { if(*item == c) ref_c = item; else if(*item == swap) ref_swap = item; if(ref_c && ref_swap) break; } /* swap ! */ *ref_c = swap; *ref_swap = c; /* Call hook to notify list change */ if(globalconf.hooks.clients != LUA_REFNIL) luaA_dofunction_from_registry(L, globalconf.hooks.clients, 0, 0); } return 0; } /** Access or set the client tags. * \param L The Lua VM state. * \return The number of elements pushed on stack. * \lparam A table with tags to set, or none to get the current tags table. * \return The clients tag. */ static int luaA_client_tags(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); tag_array_t *tags = &c->screen->tags; int j = 0; if(lua_gettop(L) == 2) { luaA_checktable(L, 2); for(int i = 0; i < tags->len; i++) untag_client(c, tags->tab[i]); lua_pushnil(L); while(lua_next(L, 2)) tag_client(c); lua_pop(L, 1); } lua_newtable(L); foreach(tag, *tags) if(is_client_tagged(c, *tag)) { tag_push(L, *tag); lua_rawseti(L, -2, ++j); } return 1; } /** Raise a client on top of others which are on the same layer. * \param L The Lua VM state. * \luastack * \lvalue A client. */ static int luaA_client_raise(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); client_raise(c); return 0; } /** Lower a client on bottom of others which are on the same layer. * \param L The Lua VM state. * \luastack * \lvalue A client. */ static int luaA_client_lower(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); client_lower(c); return 0; } /** Redraw a client by unmapping and mapping it quickly. * \param L The Lua VM state. * * \luastack * \lvalue A client. */ static int luaA_client_redraw(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); xcb_unmap_window(globalconf.connection, c->win); xcb_map_window(globalconf.connection, c->win); /* Set the focus on the current window if the redraw has been performed on the window where the pointer is currently on because after the unmapping/mapping, the focus is lost */ if(globalconf.screen_focus->client_focus == c) { client_unfocus(c); client_focus(c); } return 0; } /** Stop managing a client. * \param L The Lua VM state. * \return The number of elements pushed on stack. * \luastack * \lvalue A client. */ static int luaA_client_unmanage(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); client_unmanage(c); return 0; } /** Return client geometry. * \param L The Lua VM state. * \return The number of elements pushed on stack. * \luastack * \lparam A table with new coordinates, or none. * \lreturn A table with client coordinates. */ static int luaA_client_geometry(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); if(lua_gettop(L) == 2) { area_t geometry; luaA_checktable(L, 2); geometry.x = luaA_getopt_number(L, 2, "x", c->geometry.x); geometry.y = luaA_getopt_number(L, 2, "y", c->geometry.y); if(client_isfixed(c)) { geometry.width = c->geometry.width; geometry.height = c->geometry.height; } else { geometry.width = luaA_getopt_number(L, 2, "width", c->geometry.width); geometry.height = luaA_getopt_number(L, 2, "height", c->geometry.height); } client_resize(c, geometry, c->size_hints_honor); } return luaA_pusharea(L, c->geometry); } /** Push a strut type to a table on stack. * \param L The Lua VM state. * \param struts The struts to push. * \return The number of elements pushed on stack. */ static inline int luaA_pushstruts(lua_State *L, strut_t struts) { lua_createtable(L, 4, 0); lua_pushnumber(L, struts.left); lua_setfield(L, -2, "left"); lua_pushnumber(L, struts.right); lua_setfield(L, -2, "right"); lua_pushnumber(L, struts.top); lua_setfield(L, -2, "top"); lua_pushnumber(L, struts.bottom); lua_setfield(L, -2, "bottom"); return 1; } /** Return client struts (reserved space at the edge of the screen). * \param L The Lua VM state. * \return The number of elements pushed on stack. * \luastack * \lparam A table with new strut values, or none. * \lreturn A table with strut values. */ static int luaA_client_struts(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); if(lua_gettop(L) == 2) { strut_t struts; area_t screen_area = display_area_get(c->phys_screen); struts.left = luaA_getopt_number(L, 2, "left", c->strut.left); struts.right = luaA_getopt_number(L, 2, "right", c->strut.right); struts.top = luaA_getopt_number(L, 2, "top", c->strut.top); struts.bottom = luaA_getopt_number(L, 2, "bottom", c->strut.bottom); if(struts.left != c->strut.left || struts.right != c->strut.right || struts.top != c->strut.top || struts.bottom != c->strut.bottom) { /* Struts are not so well defined in the context of xinerama. So we just * give the entire root window and let the window manager decide. */ struts.left_start_y = 0; struts.left_end_y = !struts.left ? 0 : screen_area.height; struts.right_start_y = 0; struts.right_end_y = !struts.right ? 0 : screen_area.height; struts.top_start_x = 0; struts.top_end_x = !struts.top ? 0 : screen_area.width; struts.bottom_start_x = 0; struts.bottom_end_x = !struts.bottom ? 0 : screen_area.width; c->strut = struts; ewmh_update_client_strut(c); hook_property(client, c, "struts"); } } return luaA_pushstruts(L, c->strut); } /** Client newindex. * \param L The Lua VM state. * \return The number of elements pushed on stack. */ static int luaA_client_newindex(lua_State *L) { size_t len; client_t *c = luaA_client_checkudata(L, 1); const char *buf = luaL_checklstring(L, 2, &len); bool b; double d; int i; switch(a_tokenize(buf, len)) { case A_TK_SCREEN: if(globalconf.xinerama_is_active) { i = luaL_checknumber(L, 3) - 1; luaA_checkscreen(i); screen_client_moveto(c, &globalconf.screens.tab[i], true, true); } break; case A_TK_HIDE: b = luaA_checkboolean(L, 3); if(b != c->ishidden) { client_need_reban(c); c->ishidden = b; client_need_reban(c); hook_property(client, c, "hide"); } break; case A_TK_MINIMIZED: client_setminimized(c, luaA_checkboolean(L, 3)); break; case A_TK_FULLSCREEN: client_setfullscreen(c, luaA_checkboolean(L, 3)); break; case A_TK_MAXIMIZED_HORIZONTAL: client_setmaxhoriz(c, luaA_checkboolean(L, 3)); break; case A_TK_MAXIMIZED_VERTICAL: client_setmaxvert(c, luaA_checkboolean(L, 3)); break; case A_TK_ICON: luaA_object_unref_item(L, 1, c->icon); c->icon = NULL; c->icon = luaA_object_ref_item(L, 1, 3); /* execute hook */ hook_property(client, c, "icon"); break; case A_TK_OPACITY: if(lua_isnil(L, 3)) { window_opacity_set(c->win, -1); c->opacity = -1; } else { d = luaL_checknumber(L, 3); if(d >= 0 && d <= 1) { window_opacity_set(c->win, d); c->opacity = d; } } break; case A_TK_STICKY: client_setsticky(c, luaA_checkboolean(L, 3)); break; case A_TK_SIZE_HINTS_HONOR: c->size_hints_honor = luaA_checkboolean(L, 3); hook_property(client, c, "size_hints_honor"); break; case A_TK_BORDER_WIDTH: client_setborder(c, luaL_checknumber(L, 3)); break; case A_TK_ONTOP: client_setontop(c, luaA_checkboolean(L, 3)); break; case A_TK_ABOVE: client_setabove(c, luaA_checkboolean(L, 3)); break; case A_TK_BELOW: client_setbelow(c, luaA_checkboolean(L, 3)); break; case A_TK_URGENT: client_seturgent(c, luaA_checkboolean(L, 3)); break; case A_TK_BORDER_COLOR: if((buf = luaL_checklstring(L, 3, &len)) && xcolor_init_reply(xcolor_init_unchecked(&c->border_color, buf, len))) xcb_change_window_attributes(globalconf.connection, c->win, XCB_CW_BORDER_PIXEL, &c->border_color.pixel); break; case A_TK_TITLEBAR: if(lua_isnil(L, 3)) titlebar_client_detach(c); else titlebar_client_attach(c); break; case A_TK_SKIP_TASKBAR: c->skiptb = luaA_checkboolean(L, 3); hook_property(client, c, "skip_taskbar"); break; default: return 0; } return 0; } /** Client object. * \param L The Lua VM state. * \return The number of elements pushed on stack. * \luastack * \lfield id The window X id. * \lfield name The client title. * \lfield skip_taskbar If true the client won't be shown in the tasklist. * \lfield type The window type (desktop, normal, dock, …). * \lfield class The client class. * \lfield instance The client instance. * \lfield pid The client PID, if available. * \lfield role The window role, if available. * \lfield machine The machine client is running on. * \lfield icon_name The client name when iconified. * \lfield screen Client screen number. * \lfield hide Define if the client must be hidden, i.e. never mapped, * invisible in taskbar. * \lfield minimized Define it the client must be iconify, i.e. only visible in * taskbar. * \lfield size_hints_honor Honor size hints, i.e. respect size ratio. * \lfield border_width The client border width. * \lfield border_color The client border color. * \lfield titlebar The client titlebar. * \lfield urgent The client urgent state. * \lfield content An image representing the client window content (screenshot). * \lfield focus The focused client. * \lfield opacity The client opacity between 0 and 1. * \lfield ontop The client is on top of every other windows. * \lfield above The client is above normal windows. * \lfield below The client is below normal windows. * \lfield fullscreen The client is fullscreen or not. * \lfield maximized_horizontal The client is maximized horizontally or not. * \lfield maximized_vertical The client is maximized vertically or not. * \lfield transient_for Return the client the window is transient for. * \lfield group_id Identification unique to a group of windows. * \lfield leader_id Identification unique to windows spawned by the same command. * \lfield size_hints A table with size hints of the client: user_position, * user_size, program_position, program_size, etc. */ static int luaA_client_index(lua_State *L) { size_t len; client_t *c = luaA_client_checkudata(L, 1); const char *buf = luaL_checklstring(L, 2, &len); if(luaA_usemetatable(L, 1, 2)) return 1; switch(a_tokenize(buf, len)) { case A_TK_NAME: lua_pushstring(L, c->name); break; case A_TK_TRANSIENT_FOR: return client_push(globalconf.L, c->transient_for); case A_TK_SKIP_TASKBAR: lua_pushboolean(L, c->skiptb); break; case A_TK_CONTENT: return client_getcontent(c); case A_TK_TYPE: switch(c->type) { case WINDOW_TYPE_DESKTOP: lua_pushliteral(L, "desktop"); break; case WINDOW_TYPE_DOCK: lua_pushliteral(L, "dock"); break; case WINDOW_TYPE_SPLASH: lua_pushliteral(L, "splash"); break; case WINDOW_TYPE_DIALOG: lua_pushliteral(L, "dialog"); break; case WINDOW_TYPE_MENU: lua_pushliteral(L, "menu"); break; case WINDOW_TYPE_TOOLBAR: lua_pushliteral(L, "toolbar"); break; case WINDOW_TYPE_UTILITY: lua_pushliteral(L, "utility"); break; case WINDOW_TYPE_DROPDOWN_MENU: lua_pushliteral(L, "dropdown_menu"); break; case WINDOW_TYPE_POPUP_MENU: lua_pushliteral(L, "popup_menu"); break; case WINDOW_TYPE_TOOLTIP: lua_pushliteral(L, "tooltip"); break; case WINDOW_TYPE_NOTIFICATION: lua_pushliteral(L, "notification"); break; case WINDOW_TYPE_COMBO: lua_pushliteral(L, "combo"); break; case WINDOW_TYPE_DND: lua_pushliteral(L, "dnd"); break; case WINDOW_TYPE_NORMAL: lua_pushliteral(L, "normal"); break; } break; case A_TK_CLASS: lua_pushstring(L, c->class); break; case A_TK_INSTANCE: lua_pushstring(L, c->instance); break; case A_TK_ROLE: lua_pushstring(L, c->role); break; case A_TK_PID: lua_pushnumber(L, c->pid); break; case A_TK_ID: lua_pushnumber(L, c->win); break; case A_TK_LEADER_ID: lua_pushnumber(L, c->leader_win); break; case A_TK_MACHINE: lua_pushstring(L, c->machine); break; case A_TK_ICON_NAME: lua_pushstring(L, c->icon_name); break; case A_TK_SCREEN: lua_pushnumber(L, 1 + screen_array_indexof(&globalconf.screens, c->screen)); break; case A_TK_HIDE: lua_pushboolean(L, c->ishidden); break; case A_TK_MINIMIZED: lua_pushboolean(L, c->isminimized); break; case A_TK_FULLSCREEN: lua_pushboolean(L, c->isfullscreen); break; case A_TK_GROUP_ID: if(c->group_win) lua_pushnumber(L, c->group_win); else return 0; break; case A_TK_MAXIMIZED_HORIZONTAL: lua_pushboolean(L, c->ismaxhoriz); break; case A_TK_MAXIMIZED_VERTICAL: lua_pushboolean(L, c->ismaxvert); break; case A_TK_ICON: luaA_object_push_item(L, 1, c->icon); break; case A_TK_OPACITY: lua_pushnumber(L, c->opacity); break; case A_TK_ONTOP: lua_pushboolean(L, c->isontop); break; case A_TK_ABOVE: lua_pushboolean(L, c->isabove); break; case A_TK_BELOW: lua_pushboolean(L, c->isbelow); break; case A_TK_STICKY: lua_pushboolean(L, c->issticky); break; case A_TK_SIZE_HINTS_HONOR: lua_pushboolean(L, c->size_hints_honor); break; case A_TK_BORDER_WIDTH: lua_pushnumber(L, c->border); break; case A_TK_BORDER_COLOR: luaA_pushxcolor(L, c->border_color); break; case A_TK_TITLEBAR: return wibox_push(L, c->titlebar); case A_TK_URGENT: lua_pushboolean(L, c->isurgent); break; case A_TK_SIZE_HINTS: { const char *u_or_p = NULL; lua_createtable(L, 0, 1); if(c->size_hints.flags & XCB_SIZE_HINT_US_POSITION) u_or_p = "user_position"; else if(c->size_hints.flags & XCB_SIZE_HINT_P_POSITION) u_or_p = "program_position"; if(u_or_p) { lua_createtable(L, 0, 2); lua_pushnumber(L, c->size_hints.x); lua_setfield(L, -2, "x"); lua_pushnumber(L, c->size_hints.y); lua_setfield(L, -2, "y"); lua_setfield(L, -2, u_or_p); u_or_p = NULL; } if(c->size_hints.flags & XCB_SIZE_HINT_US_SIZE) u_or_p = "user_size"; else if(c->size_hints.flags & XCB_SIZE_HINT_P_SIZE) u_or_p = "program_size"; if(u_or_p) { lua_createtable(L, 0, 2); lua_pushnumber(L, c->size_hints.width); lua_setfield(L, -2, "width"); lua_pushnumber(L, c->size_hints.height); lua_setfield(L, -2, "height"); lua_setfield(L, -2, u_or_p); } if(c->size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE) { lua_pushnumber(L, c->size_hints.min_width); lua_setfield(L, -2, "min_width"); lua_pushnumber(L, c->size_hints.min_height); lua_setfield(L, -2, "min_height"); } if(c->size_hints.flags & XCB_SIZE_HINT_P_MAX_SIZE) { lua_pushnumber(L, c->size_hints.max_width); lua_setfield(L, -2, "max_width"); lua_pushnumber(L, c->size_hints.max_height); lua_setfield(L, -2, "max_height"); } if(c->size_hints.flags & XCB_SIZE_HINT_P_RESIZE_INC) { lua_pushnumber(L, c->size_hints.width_inc); lua_setfield(L, -2, "width_inc"); lua_pushnumber(L, c->size_hints.height_inc); lua_setfield(L, -2, "height_inc"); } if(c->size_hints.flags & XCB_SIZE_HINT_P_ASPECT) { lua_pushnumber(L, c->size_hints.min_aspect_num); lua_setfield(L, -2, "min_aspect_num"); lua_pushnumber(L, c->size_hints.min_aspect_den); lua_setfield(L, -2, "min_aspect_den"); lua_pushnumber(L, c->size_hints.max_aspect_num); lua_setfield(L, -2, "max_aspect_num"); lua_pushnumber(L, c->size_hints.max_aspect_den); lua_setfield(L, -2, "max_aspect_den"); } if(c->size_hints.flags & XCB_SIZE_HINT_BASE_SIZE) { lua_pushnumber(L, c->size_hints.base_width); lua_setfield(L, -2, "base_width"); lua_pushnumber(L, c->size_hints.base_height); lua_setfield(L, -2, "base_height"); } if(c->size_hints.flags & XCB_SIZE_HINT_P_WIN_GRAVITY) { switch(c->size_hints.win_gravity) { default: lua_pushliteral(L, "north_west"); break; case XCB_GRAVITY_NORTH: lua_pushliteral(L, "north"); break; case XCB_GRAVITY_NORTH_EAST: lua_pushliteral(L, "north_east"); break; case XCB_GRAVITY_WEST: lua_pushliteral(L, "west"); break; case XCB_GRAVITY_CENTER: lua_pushliteral(L, "center"); break; case XCB_GRAVITY_EAST: lua_pushliteral(L, "east"); break; case XCB_GRAVITY_SOUTH_WEST: lua_pushliteral(L, "south_west"); break; case XCB_GRAVITY_SOUTH: lua_pushliteral(L, "south"); break; case XCB_GRAVITY_SOUTH_EAST: lua_pushliteral(L, "south_east"); break; case XCB_GRAVITY_STATIC: lua_pushliteral(L, "static"); break; } lua_setfield(L, -2, "win_gravity"); } } break; default: return 0; } return 1; } /** Get or set mouse buttons bindings for a client. * \param L The Lua VM state. * \return The number of element pushed on stack. * \luastack * \lvalue A client. * \lparam An array of mouse button bindings objects, or nothing. * \return The array of mouse button bindings objects of this client. */ static int luaA_client_buttons(lua_State *L) { client_t *client = luaA_client_checkudata(L, 1); button_array_t *buttons = &client->buttons; if(lua_gettop(L) == 2) luaA_button_array_set(L, 1, 2, buttons); window_buttons_grab(client->win, &client->buttons); return luaA_button_array_get(L, 1, buttons); } /** Get or set keys bindings for a client. * \param L The Lua VM state. * \return The number of element pushed on stack. * \luastack * \lvalue A client. * \lparam An array of key bindings objects, or nothing. * \return The array of key bindings objects of this client. */ static int luaA_client_keys(lua_State *L) { client_t *c = luaA_client_checkudata(L, 1); key_array_t *keys = &c->keys; if(lua_gettop(L) == 2) { luaA_key_array_set(L, 1, 2, keys); xcb_ungrab_key(globalconf.connection, XCB_GRAB_ANY, c->win, XCB_BUTTON_MASK_ANY); window_grabkeys(c->win, keys); } return luaA_key_array_get(L, 1, keys); } /* Client module. * \param L The Lua VM state. * \return The number of pushed elements. */ static int luaA_client_module_index(lua_State *L) { size_t len; const char *buf = luaL_checklstring(L, 2, &len); switch(a_tokenize(buf, len)) { case A_TK_FOCUS: return client_push(globalconf.L, globalconf.screen_focus->client_focus); break; default: return 0; } } /* Client module new index. * \param L The Lua VM state. * \return The number of pushed elements. */ static int luaA_client_module_newindex(lua_State *L) { size_t len; const char *buf = luaL_checklstring(L, 2, &len); client_t *c; switch(a_tokenize(buf, len)) { case A_TK_FOCUS: c = luaA_client_checkudata(L, 3); client_focus(c); break; default: break; } return 0; } const struct luaL_reg awesome_client_methods[] = { LUA_CLASS_METHODS(client) { "get", luaA_client_get }, { "__index", luaA_client_module_index }, { "__newindex", luaA_client_module_newindex }, { NULL, NULL } }; const struct luaL_reg awesome_client_meta[] = { LUA_OBJECT_META(client) { "isvisible", luaA_client_isvisible }, { "geometry", luaA_client_geometry }, { "struts", luaA_client_struts }, { "buttons", luaA_client_buttons }, { "keys", luaA_client_keys }, { "tags", luaA_client_tags }, { "kill", luaA_client_kill }, { "swap", luaA_client_swap }, { "raise", luaA_client_raise }, { "lower", luaA_client_lower }, { "redraw", luaA_client_redraw }, { "unmanage", luaA_client_unmanage }, { "__index", luaA_client_index }, { "__newindex", luaA_client_newindex }, { "__gc", luaA_client_gc }, { NULL, NULL } }; // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80