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awesome/client.c

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/*
* client.c - client management
*
* Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
*
* 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 <xcb/xcb_atom.h>
#include <xcb/xcb_image.h>
#include "tag.h"
#include "ewmh.h"
#include "screen.h"
#include "titlebar.h"
#include "systray.h"
#include "property.h"
#include "spawn.h"
#include "luaa.h"
#include "common/atoms.h"
#include "common/xutil.h"
client_t *
luaA_client_checkudata(lua_State *L, int ud)
{
client_t *c = luaA_checkudata(L, ud, &client_class);
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 = luaA_checkudata(L, 1, &client_class);
button_array_wipe(&c->buttons);
key_array_wipe(&c->keys);
xcb_icccm_get_wm_protocols_reply_wipe(&c->protocols);
p_delete(&c->machine);
p_delete(&c->class);
p_delete(&c->instance);
p_delete(&c->icon_name);
p_delete(&c->alt_icon_name);
p_delete(&c->name);
p_delete(&c->alt_name);
return luaA_object_gc(L);
}
/** Change the client opacity.
* \param L The Lua VM state.
* \param cidx The client index.
* \param opacity The opacity.
*/
void
client_set_opacity(lua_State *L, int cidx, double opacity)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->opacity != opacity)
{
c->opacity = opacity;
window_opacity_set(c->window, opacity);
luaA_object_emit_signal(L, cidx, "property::opacity", 0);
}
}
/** Change the clients urgency flag.
* \param L The Lua VM state.
* \param cidx The client index on the stack.
* \param urgent The new flag state.
*/
void
client_set_urgent(lua_State *L, int cidx, bool urgent)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->urgent != urgent)
{
xcb_get_property_cookie_t hints =
xcb_icccm_get_wm_hints_unchecked(globalconf.connection, c->window);
c->urgent = urgent;
ewmh_client_update_hints(c);
/* update ICCCM hints */
xcb_icccm_wm_hints_t wmh;
xcb_icccm_get_wm_hints_reply(globalconf.connection, hints, &wmh, NULL);
if(urgent)
wmh.flags |= XCB_ICCCM_WM_HINT_X_URGENCY;
else
wmh.flags &= ~XCB_ICCCM_WM_HINT_X_URGENCY;
xcb_icccm_set_wm_hints(globalconf.connection, c->window, &wmh);
hook_property(c, "urgent");
luaA_object_emit_signal(L, cidx, "property::urgent", 0);
}
}
void
client_set_group_window(lua_State *L, int cidx, xcb_window_t window)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->group_window != window)
{
c->group_window = window;
luaA_object_emit_signal(L, cidx, "property::group_window", 0);
}
}
void
client_set_type(lua_State *L, int cidx, window_type_t type)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->type != type)
{
c->type = type;
luaA_object_emit_signal(L, cidx, "property::type", 0);
}
}
void
client_set_pid(lua_State *L, int cidx, uint32_t pid)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->pid != pid)
{
c->pid = pid;
luaA_object_emit_signal(L, cidx, "property::pid", 0);
}
}
void
client_set_icon_name(lua_State *L, int cidx, char *icon_name)
{
client_t *c = luaA_client_checkudata(L, cidx);
p_delete(&c->icon_name);
c->icon_name = icon_name;
luaA_object_emit_signal(L, cidx, "property::icon_name", 0);
hook_property(c, "icon_name");
}
void
client_set_alt_icon_name(lua_State *L, int cidx, char *icon_name)
{
client_t *c = luaA_client_checkudata(L, cidx);
p_delete(&c->alt_icon_name);
c->alt_icon_name = icon_name;
luaA_object_emit_signal(L, cidx, "property::icon_name", 0);
hook_property(c, "icon_name");
}
void
client_set_role(lua_State *L, int cidx, char *role)
{
client_t *c = luaA_client_checkudata(L, cidx);
p_delete(&c->role);
c->role = role;
luaA_object_emit_signal(L, cidx, "property::role", 0);
}
void
client_set_machine(lua_State *L, int cidx, char *machine)
{
client_t *c = luaA_client_checkudata(L, cidx);
p_delete(&c->machine);
c->machine = machine;
luaA_object_emit_signal(L, cidx, "property::machine", 0);
}
void
client_set_class_instance(lua_State *L, int cidx, const char *class, const char *instance)
{
client_t *c = luaA_client_checkudata(L, cidx);
p_delete(&c->class);
p_delete(&c->instance);
c->class = a_strdup(class);
c->instance = a_strdup(instance);
luaA_object_emit_signal(L, cidx, "property::class", 0);
luaA_object_emit_signal(L, cidx, "property::instance", 0);
}
void
client_set_transient_for(lua_State *L, int cidx, client_t *transient_for)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->transient_for != transient_for)
{
c->transient_for = transient_for;
luaA_object_emit_signal(L, cidx, "property::transient_for", 0);
}
}
void
client_set_name(lua_State *L, int cidx, char *name)
{
client_t *c = luaA_client_checkudata(L, cidx);
p_delete(&c->name);
c->name = name;
hook_property(c, "name");
luaA_object_emit_signal(L, cidx, "property::name", 0);
}
void
client_set_alt_name(lua_State *L, int cidx, char *name)
{
client_t *c = luaA_client_checkudata(L, cidx);
p_delete(&c->alt_name);
c->alt_name = name;
hook_property(c, "name");
luaA_object_emit_signal(L, cidx, "property::name", 0);
}
/** 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(screen && c->screen == screen)
{
if(c->sticky)
return true;
foreach(tag, screen->tags)
if(tag_get_selected(*tag) && is_client_tagged(c, *tag))
return true;
}
return false;
}
/** 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)->window == 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)
{
luaA_object_push(globalconf.L, c);
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.unfocus, 1, 0);
}
luaA_object_push(globalconf.L, c);
luaA_class_emit_signal(globalconf.L, &client_class, "unfocus", 1);
}
/** 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_set_focus(), but a root window will never have
* the WM_TAKE_FOCUS protocol.
*/
xcb_set_input_focus(globalconf.connection, XCB_INPUT_FOCUS_PARENT,
root_win, globalconf.timestamp);
client_unfocus_update(c);
}
/** Check if client supports atom a protocol 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)
{
for(uint32_t 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_set_focus(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->window, globalconf.timestamp);
if(takefocus)
window_takefocus(c->window);
}
/** Prepare banning a client by running all needed lua events.
* \param c The client.
*/
void client_ban_unfocus(client_t *c)
{
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);
}
/** 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->window);
c->isbanned = true;
client_ban_unfocus(c);
}
}
/** This is part of The Bob Marley Algorithm: 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)->window,
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)->window,
XCB_CW_EVENT_MASK,
(const uint32_t []) { CLIENT_SELECT_INPUT_EVENT_MASK });
}
/** Record that a client got focus.
* \param c The client.
*/
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;
}
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 */
luaA_object_push(globalconf.L, c);
client_set_urgent(globalconf.L, -1, false);
ewmh_update_net_active_window(c->phys_screen);
/* execute hook */
if(globalconf.hooks.focus != LUA_REFNIL)
{
luaA_object_push(globalconf.L, c);
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.focus, 1, 0);
}
luaA_class_emit_signal(globalconf.L, &client_class, "focus", 1);
}
/** Give focus to client, or to first client if client is NULL.
* \param c The client.
*/
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;
/* X11 doesn't let you focus a window that isn't viewable */
client_unban(c);
if (!c->nofocus)
client_focus_update(c);
client_set_focus(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->window,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = c->window;
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->window;
/* 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->ontop)
return LAYER_ONTOP;
else if(c->fullscreen && globalconf.screen_focus->client_focus == c)
return LAYER_FULLSCREEN;
else if(c->above)
return LAYER_ABOVE;
else if(c->below)
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.
*/
static void
client_stack_refresh_screen(int screen)
{
uint32_t config_win_vals[2];
layer_t layer;
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((*node)->phys_screen == screen && 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->ctx.phys_screen == screen && !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((*node)->phys_screen == screen && 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->ctx.phys_screen == screen && 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;
}
}
}
void
client_stack_refresh()
{
if (!globalconf.client_need_stack_refresh)
return;
globalconf.client_need_stack_refresh = false;
for(int screen = 0;
screen < xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
screen++)
client_stack_refresh_screen(screen);
}
/** 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)
{
const uint32_t select_input_val[] = { CLIENT_SELECT_INPUT_EVENT_MASK };
if(systray_iskdedockapp(w))
{
systray_request_handle(w, phys_screen, NULL);
return;
}
/* If this is a new client that just has been launched, then request its
* startup id. */
xcb_get_property_cookie_t startup_id_q = { 0 };
if(!startup)
startup_id_q = xcb_get_property(globalconf.connection, false, w,
_NET_STARTUP_ID, XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX);
xcb_change_window_attributes(globalconf.connection, w, XCB_CW_EVENT_MASK, select_input_val);
/* Make sure the window is automatically mapped if awesome exits or dies. */
xcb_change_save_set(globalconf.connection, XCB_SET_MODE_INSERT, w);
/* Move this window to the bottom of the stack. Without this we would force
* other windows which will be above this one to redraw themselves because
* this window occludes them for a tiny moment. The next stack_refresh()
* will fix this up and move the window to its correct place. */
xcb_configure_window(globalconf.connection, w,
XCB_CONFIG_WINDOW_STACK_MODE,
(uint32_t[]) { XCB_STACK_MODE_BELOW});
client_t *c = client_new(globalconf.L);
/* This cannot change, ever. */
c->phys_screen = phys_screen;
/* consider the window banned */
c->isbanned = true;
/* Store window */
c->window = w;
luaA_object_emit_signal(globalconf.L, -1, "property::window", 0);
/* Duplicate client and push it in client list */
lua_pushvalue(globalconf.L, -1);
client_array_push(&globalconf.clients, luaA_object_ref(globalconf.L, -1));
/* Set the right screen */
screen_client_moveto(c, screen_getbycoord(&globalconf.screens.tab[phys_screen], wgeom->x, wgeom->y), false);
/* Store initial geometry and emits signals so we inform that geometry have
* been set. */
#define HANDLE_GEOM(attr) \
c->geometry.attr = wgeom->attr; \
c->geometries.internal.attr = wgeom->attr; \
luaA_object_emit_signal(globalconf.L, -1, "property::" #attr, 0);
HANDLE_GEOM(x)
HANDLE_GEOM(y)
HANDLE_GEOM(width)
HANDLE_GEOM(height)
#undef HANDLE_GEOM
luaA_object_emit_signal(globalconf.L, -1, "property::geometry", 0);
/* Push client */
client_set_border_width(globalconf.L, -1, wgeom->border_width);
/* we honor size hints by default */
c->size_hints_honor = true;
luaA_object_emit_signal(globalconf.L, -1, "property::size_hints_honor", 0);
/* 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, NULL);
property_update_wm_window_role(c, NULL);
property_update_net_wm_pid(c, NULL);
property_update_net_wm_icon(c, NULL);
/* get opacity */
client_set_opacity(globalconf.L, -1, window_opacity_get(c->window));
/* Then check clients hints */
ewmh_client_check_hints(c);
/* Push client in stack */
client_raise(c);
/* update window title */
property_update_wm_name(c, NULL);
property_update_net_wm_name(c, NULL);
property_update_wm_icon_name(c, NULL);
property_update_net_wm_icon_name(c, NULL);
property_update_wm_class(c, NULL);
property_update_wm_protocols(c, 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 process 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->window, XCB_ICCCM_WM_STATE_NORMAL);
if(!startup)
{
/* Request our response */
xcb_get_property_reply_t *reply =
xcb_get_property_reply(globalconf.connection, startup_id_q, NULL);
/* Say spawn that a client has been started, with startup id as argument */
char *startup_id = xutil_get_text_property_from_reply(reply);
p_delete(&reply);
spawn_start_notify(c, startup_id);
p_delete(&startup_id);
}
/* Call hook to notify list change */
if(globalconf.hooks.clients != LUA_REFNIL)
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.clients, 0, 0);
luaA_class_emit_signal(globalconf.L, &client_class, "list", 0);
/* call hook */
if(globalconf.hooks.manage != LUA_REFNIL)
{
luaA_object_push(globalconf.L, c);
lua_pushboolean(globalconf.L, startup);
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.manage, 2, 0);
}
/* client is still on top of the stack; push startup value,
* and emit signals with 2 args */
lua_pushboolean(globalconf.L, startup);
luaA_class_emit_signal(globalconf.L, &client_class, "manage", 2);
}
/** 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;
int32_t real_basew = 0, real_baseh = 0;
/* base size is substituted with min size if not specified */
if(c->size_hints.flags & XCB_ICCCM_SIZE_HINT_P_SIZE)
{
basew = c->size_hints.base_width;
baseh = c->size_hints.base_height;
real_basew = basew;
real_baseh = baseh;
}
else if(c->size_hints.flags & XCB_ICCCM_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_ICCCM_SIZE_HINT_P_MIN_SIZE)
{
minw = c->size_hints.min_width;
minh = c->size_hints.min_height;
}
else if(c->size_hints.flags & XCB_ICCCM_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_ICCCM_SIZE_HINT_P_ASPECT
&& c->size_hints.min_aspect_den > 0
&& c->size_hints.max_aspect_den > 0
&& geometry.height - real_baseh > 0
&& geometry.width - real_basew > 0)
{
/* ICCCM mandates:
* If a base size is provided along with the aspect ratio fields, the
* base size should be subtracted from the window size prior to checking
* that the aspect ratio falls in range. If a base size is not provided,
* nothing should be subtracted from the window size. (The minimum size
* is not to be used in place of the base size for this purpose.) */
double dx = (double) (geometry.width - real_basew);
double dy = (double) (geometry.height - real_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.max_aspect_den;
double ratio = dx / dy;
if(max > 0 && min > 0 && ratio > 0)
{
if(ratio < min)
{
/* dx is lower than allowed, make dy lower to compensate this
* (+ 0.5 to force proper rounding). */
dy = dx / min + 0.5;
geometry.width = (int) dx + real_basew;
geometry.height = (int) dy + real_baseh;
}
else if(ratio > max)
{
/* dx is too high, lower it (+0.5 for proper rounding) */
dx = dy * max + 0.5;
geometry.width = (int) dx + real_basew;
geometry.height = (int) dy + real_baseh;
}
}
}
if(minw)
geometry.width = MAX(geometry.width, minw);
if(minh)
geometry.height = MAX(geometry.height, minh);
if(c->size_hints.flags & XCB_ICCCM_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_ICCCM_SIZE_HINT_P_RESIZE_INC | XCB_ICCCM_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 sizes 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. */
if (!c->fullscreen)
geometry_internal = titlebar_geometry_remove(c->titlebar, c->border_width, geometry);
else
geometry_internal = geometry;
if(hints && !c->fullscreen)
geometry_internal = client_geometry_hints(c, geometry_internal);
if(geometry_internal.width == 0 || geometry_internal.height == 0)
return false;
/* Also let client hints propagate to the "official" geometry. */
if (!c->fullscreen)
geometry = titlebar_geometry_add(c->titlebar, c->border_width, geometry_internal);
else
geometry = 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->window,
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, false);
/* execute hook */
hook_property(c, "geometry");
luaA_object_push(globalconf.L, c);
luaA_object_emit_signal(globalconf.L, -1, "property::geometry", 0);
/** \todo This need to be VERIFIED before it is emitted! */
luaA_object_emit_signal(globalconf.L, -1, "property::x", 0);
luaA_object_emit_signal(globalconf.L, -1, "property::y", 0);
luaA_object_emit_signal(globalconf.L, -1, "property::width", 0);
luaA_object_emit_signal(globalconf.L, -1, "property::height", 0);
lua_pop(globalconf.L, 1);
return true;
}
return false;
}
/** Set a client minimized, or not.
* \param L The Lua VM state.
* \param cidx The client index.
* \param s Set or not the client minimized.
*/
void
client_set_minimized(lua_State *L, int cidx, bool s)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->minimized != s)
{
c->minimized = s;
banning_need_update((c)->screen);
if(s)
window_state_set(c->window, XCB_ICCCM_WM_STATE_ICONIC);
else
window_state_set(c->window, XCB_ICCCM_WM_STATE_NORMAL);
ewmh_client_update_hints(c);
if(strut_has_value(&c->strut))
screen_emit_signal(globalconf.L, c->screen, "property::workarea", 0);
/* execute hook */
hook_property(c, "minimized");
luaA_object_emit_signal(L, cidx, "property::minimized", 0);
}
}
/** Set a client sticky, or not.
* \param L The Lua VM state.
* \param cidx The client index.
* \param s Set or not the client sticky.
*/
void
client_set_sticky(lua_State *L, int cidx, bool s)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->sticky != s)
{
c->sticky = s;
banning_need_update((c)->screen);
ewmh_client_update_hints(c);
hook_property(c, "sticky");
luaA_object_emit_signal(L, cidx, "property::sticky", 0);
}
}
/** Set a client fullscreen, or not.
* \param L The Lua VM state.
* \param cidx The client index.
* \param s Set or not the client fullscreen.
*/
void
client_set_fullscreen(lua_State *L, int cidx, bool s)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->fullscreen != s)
{
area_t geometry;
/* become fullscreen! */
if(s)
{
/* Make sure the current geometry is stored without titlebar. */
titlebar_ban(c->titlebar);
/* remove any max state */
client_set_maximized_horizontal(L, cidx, false);
client_set_maximized_vertical(L, cidx, false);
/* You can only be part of one of the special layers. */
client_set_below(L, cidx, false);
client_set_above(L, cidx, false);
client_set_ontop(L, cidx, false);
geometry = screen_area_get(c->screen, false);
c->geometries.fullscreen = c->geometry;
c->border_width_fs = c->border_width;
client_set_border_width(L, cidx, 0);
c->fullscreen = true;
}
else
{
/* The titlebar was banned, unban! */
titlebar_unban(c->titlebar);
geometry = titlebar_geometry_add(c->titlebar, 0, c->geometries.fullscreen);
c->fullscreen = false;
client_set_border_width(L, cidx, c->border_width_fs);
}
client_resize(c, geometry, false);
client_stack();
ewmh_client_update_hints(c);
hook_property(c, "fullscreen");
luaA_object_emit_signal(L, cidx, "property::fullscreen", 0);
}
}
/** Set a client horizontally maximized.
* \param L The Lua VM state.
* \param cidx The client index.
* \param s The maximized status.
*/
void
client_set_maximized_horizontal(lua_State *L, int cidx, bool s)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->maximized_horizontal != s)
{
area_t geometry;
if((c->maximized_horizontal = s))
{
/* remove fullscreen mode */
client_set_fullscreen(L, cidx, 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(c, "maximized_horizontal");
luaA_object_emit_signal(L, cidx, "property::maximized_horizontal", 0);
}
}
/** Set a client vertically maximized.
* \param L The Lua VM state.
* \param cidx The client index.
* \param s The maximized status.
*/
void
client_set_maximized_vertical(lua_State *L, int cidx, bool s)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->maximized_vertical != s)
{
area_t geometry;
if((c->maximized_vertical = s))
{
/* remove fullscreen mode */
client_set_fullscreen(L, cidx, 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(c, "maximized_vertical");
luaA_object_emit_signal(L, cidx, "property::maximized_vertical", 0);
}
}
/** Set a client above, or not.
* \param L The Lua VM state.
* \param cidx The client index.
* \param s Set or not the client above.
*/
void
client_set_above(lua_State *L, int cidx, bool s)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->above != s)
{
/* You can only be part of one of the special layers. */
if(s)
{
client_set_below(L, cidx, false);
client_set_ontop(L, cidx, false);
client_set_fullscreen(L, cidx, false);
}
c->above = s;
client_stack();
ewmh_client_update_hints(c);
/* execute hook */
hook_property(c, "above");
luaA_object_emit_signal(L, cidx, "property::above", 0);
}
}
/** Set a client below, or not.
* \param L The Lua VM state.
* \param cidx The client index.
* \param s Set or not the client below.
*/
void
client_set_below(lua_State *L, int cidx, bool s)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->below != s)
{
/* You can only be part of one of the special layers. */
if(s)
{
client_set_above(L, cidx, false);
client_set_ontop(L, cidx, false);
client_set_fullscreen(L, cidx, false);
}
c->below = s;
client_stack();
ewmh_client_update_hints(c);
/* execute hook */
hook_property(c, "below");
luaA_object_emit_signal(L, cidx, "property::below", 0);
}
}
/** Set a client modal, or not.
* \param L The Lua VM state.
* \param cidx The client index.
* \param s Set or not the client modal attribute.
*/
void
client_set_modal(lua_State *L, int cidx, bool s)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->modal != s)
{
c->modal = s;
client_stack();
ewmh_client_update_hints(c);
/* execute hook */
hook_property(c, "modal");
luaA_object_emit_signal(L, cidx, "property::modal", 0);
}
}
/** Set a client ontop, or not.
* \param L The Lua VM state.
* \param cidx The client index.
* \param s Set or not the client ontop attribute.
*/
void
client_set_ontop(lua_State *L, int cidx, bool s)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->ontop != s)
{
/* You can only be part of one of the special layers. */
if(s)
{
client_set_above(L, cidx, false);
client_set_below(L, cidx, false);
client_set_fullscreen(L, cidx, false);
}
c->ontop = s;
client_stack();
/* execute hook */
hook_property(c, "ontop");
luaA_object_emit_signal(L, cidx, "property::ontop", 0);
}
}
/** Set a client skip taskbar attribute.
* \param L Tha Lua VM state.
* \param cidx The client index.
* \param s Set or not the client skip taskbar attribute.
*/
void
client_set_skip_taskbar(lua_State *L, int cidx, bool s)
{
client_t *c = luaA_client_checkudata(L, cidx);
if(c->skip_taskbar != s)
{
c->skip_taskbar = s;
ewmh_client_update_hints(c);
luaA_object_emit_signal(L, cidx, "property::skip_taskbar", 0);
}
}
/** 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->window);
c->isbanned = false;
/* An unbanned clients shouldn't be minimized */
luaA_object_push(globalconf.L, c);
client_set_minimized(globalconf.L, -1, false);
lua_pop(globalconf.L, 1);
}
}
/** 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 referring 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)
{
luaA_object_push(globalconf.L, c);
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.unmanage, 1, 0);
}
luaA_object_push(globalconf.L, c);
luaA_class_emit_signal(globalconf.L, &client_class, "unmanage", 1);
/* Call hook to notify list change */
if(globalconf.hooks.clients != LUA_REFNIL)
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.clients, 0, 0);
luaA_class_emit_signal(globalconf.L, &client_class, "list", 0);
if(strut_has_value(&c->strut))
screen_emit_signal(globalconf.L, c->screen, "property::workarea", 0);
titlebar_client_detach(c);
ewmh_update_net_client_list(c->phys_screen);
/* Remove this window from the save set since this shouldn't be made visible
* after a restart anymore. */
xcb_change_save_set(globalconf.connection, XCB_SET_MODE_DELETE, c->window);
/* Do this last to avoid races with clients. According to ICCCM, clients
* arent allowed to re-use the window until after this. */
window_state_set(c->window, XCB_ICCCM_WM_STATE_WITHDRAWN);
/* set client as invalid */
c->invalid = true;
luaA_object_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->window;
ev.format = 32;
ev.data.data32[1] = globalconf.timestamp;
ev.type = WM_PROTOCOLS;
ev.data.data32[0] = WM_DELETE_WINDOW;
xcb_send_event(globalconf.connection, false, c->window,
XCB_EVENT_MASK_NO_EVENT, (char *) &ev);
}
else
xcb_kill_client(globalconf.connection, c->window);
}
/** 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 number.
* \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)
{
luaA_object_push(L, *c);
lua_rawseti(L, -2, i++);
}
else
{
luaA_checkscreen(screen);
foreach(c, globalconf.clients)
if((*c)->screen == &globalconf.screens.tab[screen])
{
luaA_object_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 L The Lua VM state.
* \param cidx The client index.
* \param width The border width.
*/
void
client_set_border_width(lua_State *L, int cidx, int width)
{
client_t *c = luaA_client_checkudata(L, cidx);
uint32_t w = width;
if(width > 0 && (c->type == WINDOW_TYPE_DOCK
|| c->type == WINDOW_TYPE_SPLASH
|| c->type == WINDOW_TYPE_DESKTOP
|| c->fullscreen))
return;
if(width == c->border_width || width < 0)
return;
/* disallow change of border width if the client is fullscreen */
if(c->fullscreen)
return;
/* Update geometry with the new border. */
c->geometry.width -= 2 * c->border_width;
c->geometry.height -= 2 * c->border_width;
c->border_width = width;
xcb_configure_window(globalconf.connection, c->window,
XCB_CONFIG_WINDOW_BORDER_WIDTH, &w);
c->geometry.width += 2 * c->border_width;
c->geometry.height += 2 * c->border_width;
/* Changing border size also affects the size of the titlebar. */
titlebar_update_geometry(c);
hook_property(c, "border_width");
luaA_object_emit_signal(L, cidx, "property::border_width", 0);
}
/** Set a client icon.
* \param L The Lua VM state.
* \param cidx The client index on the stack.
* \param iidx The image index on the stack.
*/
void
client_set_icon(lua_State *L, int cidx, int iidx)
{
client_t *c = luaA_client_checkudata(L, cidx);
/* convert index to absolute */
cidx = luaA_absindex(L, cidx);
iidx = luaA_absindex(L, iidx);
luaA_checkudata(L, iidx, &image_class);
luaA_object_unref_item(L, cidx, c->icon);
c->icon = luaA_object_ref_item(L, cidx, iidx);
luaA_object_emit_signal(L, cidx < iidx ? cidx : cidx - 1, "property::icon", 0);
/* execute hook */
hook_property(c, "icon");
}
/** 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);
luaA_class_emit_signal(globalconf.L, &client_class, "list", 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++)
{
/* Only untag if we aren't going to add this tag again */
bool found = false;
lua_pushnil(L);
while(lua_next(L, 2))
{
tag_t *t = lua_touserdata(L, -1);
/* Pop the value from lua_next */
lua_pop(L, 1);
if (t != tags->tab[i])
continue;
/* Pop the key from lua_next */
lua_pop(L, 1);
found = true;
break;
}
if(!found)
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))
{
luaA_object_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);
stack_client_push(c);
/* Traverse all transient layers. */
for(client_t *tc = c->transient_for; tc; tc = tc->transient_for)
stack_client_push(tc);
client_stack();
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->window);
xcb_map_window(globalconf.connection, c->window);
/* 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 && !lua_isnil(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);
}
/** 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)
{
luaA_tostrut(L, 2, &c->strut);
ewmh_update_strut(c->window, &c->strut);
hook_property(c, "struts");
luaA_object_emit_signal(L, 1, "property::struts", 0);
screen_emit_signal(L, c->screen, "property::workarea", 0);
}
return luaA_pushstrut(L, c->strut);
}
static int
luaA_client_set_screen(lua_State *L, client_t *c)
{
if(globalconf.xinerama_is_active)
{
int screen = luaL_checknumber(L, -1) - 1;
luaA_checkscreen(screen);
screen_client_moveto(c, &globalconf.screens.tab[screen], true);
}
return 0;
}
static int
luaA_client_set_hidden(lua_State *L, client_t *c)
{
bool b = luaA_checkboolean(L, -1);
if(b != c->hidden)
{
c->hidden = b;
banning_need_update((c)->screen);
hook_property(c, "hidden");
if(strut_has_value(&c->strut))
screen_emit_signal(globalconf.L, c->screen, "property::workarea", 0);
luaA_object_emit_signal(L, -3, "property::hidden", 0);
}
return 0;
}
static int
luaA_client_set_minimized(lua_State *L, client_t *c)
{
client_set_minimized(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_set_fullscreen(lua_State *L, client_t *c)
{
client_set_fullscreen(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_set_modal(lua_State *L, client_t *c)
{
client_set_modal(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_set_maximized_horizontal(lua_State *L, client_t *c)
{
client_set_maximized_horizontal(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_set_maximized_vertical(lua_State *L, client_t *c)
{
client_set_maximized_vertical(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_set_icon(lua_State *L, client_t *c)
{
client_set_icon(L, -3, -1);
return 0;
}
static int
luaA_client_set_opacity(lua_State *L, client_t *c)
{
if(lua_isnil(L, -1))
client_set_opacity(L, -3, -1);
else
client_set_opacity(L, -3, luaL_checknumber(L, -1));
return 0;
}
static int
luaA_client_set_sticky(lua_State *L, client_t *c)
{
client_set_sticky(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_set_size_hints_honor(lua_State *L, client_t *c)
{
c->size_hints_honor = luaA_checkboolean(L, -1);
hook_property(c, "size_hints_honor");
luaA_object_emit_signal(L, -3, "property::size_hints_honor", 0);
return 0;
}
static int
luaA_client_set_border_width(lua_State *L, client_t *c)
{
client_set_border_width(L, -3, luaL_checknumber(L, -1));
return 0;
}
static int
luaA_client_set_ontop(lua_State *L, client_t *c)
{
client_set_ontop(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_set_below(lua_State *L, client_t *c)
{
client_set_below(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_set_above(lua_State *L, client_t *c)
{
client_set_above(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_set_urgent(lua_State *L, client_t *c)
{
client_set_urgent(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_set_border_color(lua_State *L, client_t *c)
{
size_t len;
const char *buf;
if((buf = luaL_checklstring(L, -1, &len))
&& xcolor_init_reply(xcolor_init_unchecked(&c->border_color, buf, len)))
{
xcb_change_window_attributes(globalconf.connection, c->window,
XCB_CW_BORDER_PIXEL, &c->border_color.pixel);
luaA_object_emit_signal(L, -3, "property::border_color", 0);
}
return 0;
}
static int
luaA_client_set_titlebar(lua_State *L, client_t *c)
{
if(lua_isnil(L, -1))
titlebar_client_detach(c);
else
titlebar_client_attach(c);
return 0;
}
static int
luaA_client_set_skip_taskbar(lua_State *L, client_t *c)
{
client_set_skip_taskbar(L, -3, luaA_checkboolean(L, -1));
return 0;
}
static int
luaA_client_get_name(lua_State *L, client_t *c)
{
lua_pushstring(L, c->name ? c->name : c->alt_name);
return 1;
}
static int
luaA_client_get_icon_name(lua_State *L, client_t *c)
{
lua_pushstring(L, c->icon_name ? c->icon_name : c->alt_icon_name);
return 1;
}
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, class, lua_pushstring)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, instance, lua_pushstring)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, machine, lua_pushstring)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, role, lua_pushstring)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, transient_for, luaA_object_push)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, skip_taskbar, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, window, lua_pushnumber)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, leader_window, lua_pushnumber)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, group_window, lua_pushnumber)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, pid, lua_pushnumber)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, hidden, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, minimized, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, fullscreen, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, modal, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, ontop, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, urgent, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, above, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, below, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, sticky, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, size_hints_honor, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, maximized_horizontal, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, maximized_vertical, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, opacity, lua_pushnumber)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, border_width, lua_pushnumber)
LUA_OBJECT_EXPORT_PROPERTY(client, client_t, border_color, luaA_pushxcolor)
static int
luaA_client_get_content(lua_State *L, client_t *c)
{
xcb_image_t *ximage = xcb_image_get(globalconf.connection,
c->window,
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;
}
static int
luaA_client_get_type(lua_State *L, client_t *c)
{
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;
}
return 1;
}
static int
luaA_client_get_screen(lua_State *L, client_t *c)
{
if(!c->screen)
return 0;
lua_pushnumber(L, 1 + screen_array_indexof(&globalconf.screens, c->screen));
return 1;
}
static int
luaA_client_get_icon(lua_State *L, client_t *c)
{
return luaA_object_push_item(L, -2, c->icon);
}
static int
luaA_client_get_titlebar(lua_State *L, client_t *c)
{
return luaA_object_push(L, c->titlebar);
}
static int
luaA_client_get_focusable(lua_State *L, client_t *c)
{
bool ret;
/* A client can be focused if it doesnt have the "nofocus" hint...*/
if (!c->nofocus)
ret = true;
else
/* ...or if it knows the WM_TAKE_FOCUS protocol */
ret = client_hasproto(c, WM_TAKE_FOCUS);
lua_pushboolean(L, ret);
return 1;
}
static int
luaA_client_get_size_hints(lua_State *L, client_t *c)
{
const char *u_or_p = NULL;
lua_createtable(L, 0, 1);
if(c->size_hints.flags & XCB_ICCCM_SIZE_HINT_US_POSITION)
u_or_p = "user_position";
else if(c->size_hints.flags & XCB_ICCCM_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_ICCCM_SIZE_HINT_US_SIZE)
u_or_p = "user_size";
else if(c->size_hints.flags & XCB_ICCCM_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_ICCCM_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_ICCCM_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_ICCCM_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_ICCCM_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_ICCCM_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_ICCCM_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");
}
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);
luaA_object_emit_signal(L, 1, "property::buttons", 0);
window_buttons_grab(client->window, &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);
luaA_object_emit_signal(L, 1, "property::keys", 0);
xcb_ungrab_key(globalconf.connection, XCB_GRAB_ANY, c->window, XCB_BUTTON_MASK_ANY);
window_grabkeys(c->window, 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 luaA_object_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;
}
void
client_class_setup(lua_State *L)
{
static const struct luaL_reg client_methods[] =
{
LUA_CLASS_METHODS(client)
{ "get", luaA_client_get },
{ "__index", luaA_client_module_index },
{ "__newindex", luaA_client_module_newindex },
{ NULL, NULL }
};
static const struct luaL_reg client_meta[] =
{
LUA_OBJECT_META(client)
LUA_CLASS_META
{ "buttons", luaA_client_buttons },
{ "keys", luaA_client_keys },
{ "isvisible", luaA_client_isvisible },
{ "geometry", luaA_client_geometry },
{ "struts", luaA_client_struts },
{ "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 },
{ "__gc", luaA_client_gc },
{ NULL, NULL }
};
luaA_class_setup(L, &client_class, "client", (lua_class_allocator_t) client_new,
luaA_class_index_miss_property, luaA_class_newindex_miss_property,
client_methods, client_meta);
luaA_class_add_property(&client_class, A_TK_NAME,
NULL,
(lua_class_propfunc_t) luaA_client_get_name,
NULL);
luaA_class_add_property(&client_class, A_TK_TRANSIENT_FOR,
NULL,
(lua_class_propfunc_t) luaA_client_get_transient_for,
NULL);
luaA_class_add_property(&client_class, A_TK_SKIP_TASKBAR,
(lua_class_propfunc_t) luaA_client_set_skip_taskbar,
(lua_class_propfunc_t) luaA_client_get_skip_taskbar,
(lua_class_propfunc_t) luaA_client_set_skip_taskbar);
luaA_class_add_property(&client_class, A_TK_CONTENT,
NULL,
(lua_class_propfunc_t) luaA_client_get_content,
NULL);
luaA_class_add_property(&client_class, A_TK_TYPE,
NULL,
(lua_class_propfunc_t) luaA_client_get_type,
NULL);
luaA_class_add_property(&client_class, A_TK_CLASS,
NULL,
(lua_class_propfunc_t) luaA_client_get_class,
NULL);
luaA_class_add_property(&client_class, A_TK_INSTANCE,
NULL,
(lua_class_propfunc_t) luaA_client_get_instance,
NULL);
luaA_class_add_property(&client_class, A_TK_ROLE,
NULL,
(lua_class_propfunc_t) luaA_client_get_role,
NULL);
luaA_class_add_property(&client_class, A_TK_PID,
NULL,
(lua_class_propfunc_t) luaA_client_get_pid,
NULL);
luaA_class_add_property(&client_class, A_TK_WINDOW,
NULL,
(lua_class_propfunc_t) luaA_client_get_window,
NULL);
luaA_class_add_property(&client_class, A_TK_LEADER_WINDOW,
NULL,
(lua_class_propfunc_t) luaA_client_get_leader_window,
NULL);
luaA_class_add_property(&client_class, A_TK_MACHINE,
NULL,
(lua_class_propfunc_t) luaA_client_get_machine,
NULL);
luaA_class_add_property(&client_class, A_TK_ICON_NAME,
NULL,
(lua_class_propfunc_t) luaA_client_get_icon_name,
NULL);
luaA_class_add_property(&client_class, A_TK_SCREEN,
NULL,
(lua_class_propfunc_t) luaA_client_get_screen,
(lua_class_propfunc_t) luaA_client_set_screen);
luaA_class_add_property(&client_class, A_TK_HIDDEN,
(lua_class_propfunc_t) luaA_client_set_hidden,
(lua_class_propfunc_t) luaA_client_get_hidden,
(lua_class_propfunc_t) luaA_client_set_hidden);
luaA_class_add_property(&client_class, A_TK_MINIMIZED,
(lua_class_propfunc_t) luaA_client_set_minimized,
(lua_class_propfunc_t) luaA_client_get_minimized,
(lua_class_propfunc_t) luaA_client_set_minimized);
luaA_class_add_property(&client_class, A_TK_FULLSCREEN,
(lua_class_propfunc_t) luaA_client_set_fullscreen,
(lua_class_propfunc_t) luaA_client_get_fullscreen,
(lua_class_propfunc_t) luaA_client_set_fullscreen);
luaA_class_add_property(&client_class, A_TK_MODAL,
(lua_class_propfunc_t) luaA_client_set_modal,
(lua_class_propfunc_t) luaA_client_get_modal,
(lua_class_propfunc_t) luaA_client_set_modal);
luaA_class_add_property(&client_class, A_TK_GROUP_WINDOW,
NULL,
(lua_class_propfunc_t) luaA_client_get_group_window,
NULL);
luaA_class_add_property(&client_class, A_TK_MAXIMIZED_HORIZONTAL,
(lua_class_propfunc_t) luaA_client_set_maximized_horizontal,
(lua_class_propfunc_t) luaA_client_get_maximized_horizontal,
(lua_class_propfunc_t) luaA_client_set_maximized_horizontal);
luaA_class_add_property(&client_class, A_TK_MAXIMIZED_VERTICAL,
(lua_class_propfunc_t) luaA_client_set_maximized_vertical,
(lua_class_propfunc_t) luaA_client_get_maximized_vertical,
(lua_class_propfunc_t) luaA_client_set_maximized_vertical);
luaA_class_add_property(&client_class, A_TK_ICON,
(lua_class_propfunc_t) luaA_client_set_icon,
(lua_class_propfunc_t) luaA_client_get_icon,
(lua_class_propfunc_t) luaA_client_set_icon);
luaA_class_add_property(&client_class, A_TK_OPACITY,
(lua_class_propfunc_t) luaA_client_set_opacity,
(lua_class_propfunc_t) luaA_client_get_opacity,
(lua_class_propfunc_t) luaA_client_set_opacity);
luaA_class_add_property(&client_class, A_TK_ONTOP,
(lua_class_propfunc_t) luaA_client_set_ontop,
(lua_class_propfunc_t) luaA_client_get_ontop,
(lua_class_propfunc_t) luaA_client_set_ontop);
luaA_class_add_property(&client_class, A_TK_ABOVE,
(lua_class_propfunc_t) luaA_client_set_above,
(lua_class_propfunc_t) luaA_client_get_above,
(lua_class_propfunc_t) luaA_client_set_above);
luaA_class_add_property(&client_class, A_TK_BELOW,
(lua_class_propfunc_t) luaA_client_set_below,
(lua_class_propfunc_t) luaA_client_get_below,
(lua_class_propfunc_t) luaA_client_set_below);
luaA_class_add_property(&client_class, A_TK_STICKY,
(lua_class_propfunc_t) luaA_client_set_sticky,
(lua_class_propfunc_t) luaA_client_get_sticky,
(lua_class_propfunc_t) luaA_client_set_sticky);
luaA_class_add_property(&client_class, A_TK_SIZE_HINTS_HONOR,
(lua_class_propfunc_t) luaA_client_set_size_hints_honor,
(lua_class_propfunc_t) luaA_client_get_size_hints_honor,
(lua_class_propfunc_t) luaA_client_set_size_hints_honor);
luaA_class_add_property(&client_class, A_TK_BORDER_WIDTH,
(lua_class_propfunc_t) luaA_client_set_border_width,
(lua_class_propfunc_t) luaA_client_get_border_width,
(lua_class_propfunc_t) luaA_client_set_border_width);
luaA_class_add_property(&client_class, A_TK_BORDER_COLOR,
(lua_class_propfunc_t) luaA_client_set_border_color,
(lua_class_propfunc_t) luaA_client_get_border_color,
(lua_class_propfunc_t) luaA_client_set_border_color);
luaA_class_add_property(&client_class, A_TK_TITLEBAR,
(lua_class_propfunc_t) luaA_client_set_titlebar,
(lua_class_propfunc_t) luaA_client_get_titlebar,
(lua_class_propfunc_t) luaA_client_set_titlebar);
luaA_class_add_property(&client_class, A_TK_URGENT,
(lua_class_propfunc_t) luaA_client_set_urgent,
(lua_class_propfunc_t) luaA_client_get_urgent,
(lua_class_propfunc_t) luaA_client_set_urgent);
luaA_class_add_property(&client_class, A_TK_SIZE_HINTS,
NULL,
(lua_class_propfunc_t) luaA_client_get_size_hints,
NULL);
luaA_class_add_property(&client_class, A_TK_FOCUSABLE,
NULL,
(lua_class_propfunc_t) luaA_client_get_focusable,
NULL);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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