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awesome/client.c

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/*
* client.c - client management
*
* Copyright © 2007-2008 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 "cnode.h"
#include "tag.h"
#include "window.h"
#include "ewmh.h"
#include "screen.h"
#include "titlebar.h"
#include "systray.h"
#include "property.h"
#include "wibox.h"
#include "common/atoms.h"
DO_LUA_NEW(extern, client_t, client, "client", client_ref)
DO_LUA_EQ(client_t, client, "client")
DO_LUA_GC(client_t, client, "client", client_unref)
/** 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);
hooks_property(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 number.
* \return true if the client is visible, false otherwise.
*/
bool
client_maybevisible(client_t *c, int screen)
{
if(c->screen == screen)
{
if(c->issticky || c->type == WINDOW_TYPE_DESKTOP)
return true;
tag_array_t *tags = &globalconf.screens[screen].tags;
for(int i = 0; i < tags->len; i++)
if(tags->tab[i]->selected && is_client_tagged(c, tags->tab[i]))
return true;
}
return false;
}
/** Return the content of a client as an image.
* That's just take a screenshot.
* \param c The client.
* \return An image.
*/
static image_t *
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);
if(!ximage || ximage->bpp < 24)
return NULL;
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 */
}
image_t *image = image_new_from_argb32(ximage->width, ximage->height, data);
xcb_image_destroy(ximage);
return image;
}
/** 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)
{
for(int i = 0; i < globalconf.clients.len; i++)
if(globalconf.clients.tab[i]->win == w)
return globalconf.clients.tab[i];
return NULL;
}
/** Record that a client lost focus.
* \param c Client being unfocused
*/
void
client_unfocus_update(client_t *c)
{
globalconf.screens[c->phys_screen].client_focus = NULL;
ewmh_update_net_active_window(c->phys_screen);
/* Call hook */
if(globalconf.hooks.unfocus != LUA_REFNIL)
{
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(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;
globalconf.screens[c->phys_screen].client_focus = NULL;
/* Set focus on root window, so no events leak to the current window. */
window_setfocus(root_win, true);
}
/** Ban client and move it out of the viewport.
* \param c The client.
*/
void
client_ban(client_t *c)
{
if(!c->isbanned)
{
/* Move all clients out of the physical viewport into negative coordinate space. */
/* They will all be put on top of each other. */
uint32_t request[2] = { - (c->geometries.internal.width + 2 * c->border),
- (c->geometries.internal.height + 2 * c->border) };
xcb_configure_window(globalconf.connection, c->win,
XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y,
request);
c->isbanned = true;
/* All the wiboxes (may) need to be repositioned. */
if(client_hasstrut(c))
wibox_update_positions();
/* Wait until the last moment to take away the focus from the window. */
if(globalconf.screens[c->phys_screen].client_focus == c)
client_unfocus(c);
}
}
/** Record that a client got focus.
* \param c Client being focused.
*/
void
client_focus_update(client_t *c)
{
if(!client_maybevisible(c, c->screen))
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[c->phys_screen];
globalconf.screen_focus->client_focus = c;
/* Some layouts use focused client differently, so call them back.
* And anyway, we have maybe unhidden */
client_need_arrange(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)
{
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(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)
{
if(globalconf.clients.len)
c = globalconf.clients.tab[0];
else
return;
}
if(!client_maybevisible(c, c->screen))
return;
globalconf.screen_focus = &globalconf.screens[c->phys_screen];
globalconf.screen_focus->client_focus = c;
window_setfocus(c->win, !c->nofocus);
}
/** Stack a window below.
* \param c The client.
* \param previous The previous window on the stack.
* \param 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->sw.window,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
previous = c->titlebar->sw.window;
}
else
previous = c->win;
/* stack transient window on top of their parents */
for(client_node_t *node = *client_node_list_last(&globalconf.stack);
node; node = node->prev)
if(node->client->transient_for == c)
previous = client_stack_above(node->client, 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.
*/
static void
client_real_stack(void)
{
uint32_t config_win_vals[2];
client_node_t *node, *last = *client_node_list_last(&globalconf.stack);
layer_t layer;
int screen;
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++)
for(node = last; node; node = node->prev)
if(client_layer_translator(node->client) == layer)
config_win_vals[0] = client_stack_above(node->client,
config_win_vals[0]);
/* first stack not ontop wibox window */
for(screen = 0; screen < globalconf.nscreen; screen++)
for(int i = 0; i < globalconf.screens[screen].wiboxes.len; i++)
{
wibox_t *sb = globalconf.screens[screen].wiboxes.tab[i];
if(!sb->ontop)
{
xcb_configure_window(globalconf.connection,
sb->sw.window,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = sb->sw.window;
}
}
/* then stack clients */
for(layer = LAYER_BELOW; layer < LAYER_COUNT; layer++)
for(node = last; node; node = node->prev)
if(client_layer_translator(node->client) == layer)
config_win_vals[0] = client_stack_above(node->client,
config_win_vals[0]);
/* then stack ontop wibox window */
for(screen = 0; screen < globalconf.nscreen; screen++)
for(int i = 0; i < globalconf.screens[screen].wiboxes.len; i++)
{
wibox_t *sb = globalconf.screens[screen].wiboxes.tab[i];
if(sb->ontop)
{
xcb_configure_window(globalconf.connection,
sb->sw.window,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = sb->sw.window;
}
}
}
void
client_stack_refresh()
{
if (!globalconf.client_need_stack_refresh)
return;
globalconf.client_need_stack_refresh = false;
client_real_stack();
}
/** 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;
client_t *c, *tc = NULL;
image_t *icon;
int 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);
c = p_new(client_t, 1);
screen = c->screen = screen_getbycoord(phys_screen, wgeom->x, wgeom->y);
c->phys_screen = phys_screen;
/* 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((icon = ewmh_window_icon_get_reply(ewmh_icon_cookie)))
c->icon = image_ref(&icon);
/* 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);
/* Recursively find the parent. */
for(tc = c; tc->transient_for; tc = tc->transient_for);
if(tc != c && tc->phys_screen == c->phys_screen)
screen = tc->screen;
/* 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 client list */
client_array_push(&globalconf.clients, client_ref(&c));
/* 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);
/* 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);
/* Move window outside the viewport before mapping it. */
client_ban(c);
xcb_map_window(globalconf.connection, c->win);
/* Call hook to notify list change */
if(globalconf.hooks.clients != LUA_REFNIL)
luaA_dofunction(globalconf.L, globalconf.hooks.clients, 0, 0);
/* call hook */
if(globalconf.hooks.manage != LUA_REFNIL)
{
luaA_client_userdata_new(globalconf.L, c);
lua_pushboolean(globalconf.L, startup);
luaA_dofunction(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)
{
int new_screen;
area_t geometry_internal;
area_t area;
/* offscreen appearance fixes */
area = display_area_get(c->phys_screen, NULL,
&globalconf.screens[c->screen].padding);
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)
{
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);
/* The idea is to give a client a resize even when banned. */
/* We just have to move the (x,y) to keep it out of the viewport. */
/* This at least doesn't break expectations about events. */
if(c->isbanned)
{
geometry_internal.x = values[0] = - (geometry_internal.width + 2 * c->border);
geometry_internal.y = values[1] = - (geometry_internal.height + 2 * c->border);
}
xcb_configure_window(globalconf.connection, c->win,
XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT,
values);
window_configure(c->win, geometry_internal, c->border);
screen_client_moveto(c, new_screen, true, false);
/* execute hook */
hooks_property(c, "geometry");
return true;
}
return false;
}
/** Update the position of all window with struts on a specific screen.
* \param screen The screen that should be processed.
*/
void
client_update_strut_positions(int screen)
{
area_t allowed_area, geom;
/* Ignore all struts for starters. */
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
if(c->screen == screen && client_hasstrut(c))
c->ignore_strut = true;
}
/* Rationale:
* Top and bottom panels are common, so they take precendence.
* WINDOW_TYPE_DOCK really wants to be at the side, so choose them first.
*/
/* WINDOW_TYPE_DOCK: top + bottom. */
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
if(c->screen != screen || !client_hasstrut(c) || c->type != WINDOW_TYPE_DOCK)
continue;
/* Screen area, minus padding, wibox'es and already processed struts. */
allowed_area = screen_area_get(c->screen,
&globalconf.screens[c->screen].wiboxes,
&globalconf.screens[c->screen].padding,
true);
geom = c->geometry;
if(c->strut.top || c->strut.top_start_x || c->strut.top_end_x)
{
geom.y = allowed_area.y;
if(geom.x < allowed_area.x
|| geom.x + geom.width > allowed_area.x + allowed_area.width)
{
geom.x = allowed_area.x;
if(geom.width > allowed_area.width)
geom.width = allowed_area.width;
}
c->ignore_strut = false;
client_resize(c, geom, false);
}
else if(c->strut.bottom || c->strut.bottom_start_x || c->strut.bottom_end_x)
{
geom.y = allowed_area.y + allowed_area.height - geom.height;
if(geom.x < allowed_area.x
|| geom.x + geom.width > allowed_area.x + allowed_area.width)
{
geom.x = allowed_area.x;
if(geom.width > allowed_area.width)
geom.width = allowed_area.width;
}
c->ignore_strut = false;
client_resize(c, geom, false);
}
}
/* WINDOW_TYPE_DOCK: left + right. */
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
if(c->screen != screen || !client_hasstrut(c) || c->type != WINDOW_TYPE_DOCK)
continue;
/* Screen area, minus padding, wibox'es and already processed struts. */
allowed_area = screen_area_get(c->screen,
&globalconf.screens[c->screen].wiboxes,
&globalconf.screens[c->screen].padding,
true);
geom = c->geometry;
if(c->strut.left || c->strut.left_start_y || c->strut.left_end_y)
{
geom.x = allowed_area.x;
if(geom.y < allowed_area.y
|| geom.y + geom.height > allowed_area.y + allowed_area.height)
{
geom.y = allowed_area.y;
if (geom.height > allowed_area.height)
geom.height = allowed_area.height;
}
c->ignore_strut = false;
client_resize(c, geom, false);
}
else if(c->strut.right || c->strut.right_start_y || c->strut.right_end_y)
{
geom.x = allowed_area.x + allowed_area.width - geom.width;
if(geom.y < allowed_area.y
|| geom.y + geom.height > allowed_area.y + allowed_area.height)
{
geom.y = allowed_area.y;
if (geom.height > allowed_area.height)
geom.height = allowed_area.height;
}
c->ignore_strut = false;
client_resize(c, geom, false);
}
}
/* not WINDOW_TYPE_DOCK: top + bottom. */
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
if(c->screen != screen || !client_hasstrut(c) || c->type == WINDOW_TYPE_DOCK)
continue;
/* Screen area, minus padding, wibox'es and already processed struts. */
allowed_area = screen_area_get(c->screen,
&globalconf.screens[c->screen].wiboxes,
&globalconf.screens[c->screen].padding,
true);
geom = c->geometry;
if(c->strut.top || c->strut.top_start_x || c->strut.top_end_x)
{
geom.y = allowed_area.y;
if(geom.x < allowed_area.x
|| geom.x + geom.width > allowed_area.x + allowed_area.width)
{
geom.x = allowed_area.x;
if(geom.width > allowed_area.width)
geom.width = allowed_area.width;
}
c->ignore_strut = false;
client_resize(c, geom, false);
}
else if(c->strut.bottom || c->strut.bottom_start_x || c->strut.bottom_end_x)
{
geom.y = allowed_area.y + allowed_area.height - geom.height;
if(geom.x < allowed_area.x
|| geom.x + geom.width > allowed_area.x + allowed_area.width)
{
geom.x = allowed_area.x;
if(geom.width > allowed_area.width)
geom.width = allowed_area.width;
}
c->ignore_strut = false;
client_resize(c, geom, false);
}
}
/* not WINDOW_TYPE_DOCK: left + right. */
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
if(c->screen != screen || !client_hasstrut(c) || c->type == WINDOW_TYPE_DOCK)
continue;
/* Screen area, minus padding, wibox'es and already processed struts. */
allowed_area = screen_area_get(c->screen,
&globalconf.screens[c->screen].wiboxes,
&globalconf.screens[c->screen].padding,
true);
geom = c->geometry;
if(c->strut.left || c->strut.left_start_y || c->strut.left_end_y)
{
geom.x = allowed_area.x;
if(geom.y < allowed_area.y
|| geom.y + geom.height > allowed_area.y + allowed_area.height)
{
geom.y = allowed_area.y;
if (geom.height > allowed_area.height)
geom.height = allowed_area.height;
}
c->ignore_strut = false;
client_resize(c, geom, false);
}
else if(c->strut.right || c->strut.right_start_y || c->strut.right_end_y)
{
geom.x = allowed_area.x + allowed_area.width - geom.width;
if(geom.y < allowed_area.y
|| geom.y + geom.height > allowed_area.y + allowed_area.height)
{
geom.y = allowed_area.y;
if (geom.height > allowed_area.height)
geom.height = allowed_area.height;
}
c->ignore_strut = false;
client_resize(c, geom, 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_arrange(c);
c->isminimized = s;
client_need_arrange(c);
ewmh_client_update_hints(c);
/* execute hook */
hooks_property(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_arrange(c);
c->issticky = s;
client_need_arrange(c);
ewmh_client_update_hints(c);
hooks_property(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, NULL, NULL, 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_need_arrange(c);
client_stack();
ewmh_client_update_hints(c);
hooks_property(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,
&globalconf.screens[c->screen].wiboxes,
&globalconf.screens[c->screen].padding,
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_need_arrange(c);
client_stack();
ewmh_client_update_hints(c);
hooks_property(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,
&globalconf.screens[c->screen].wiboxes,
&globalconf.screens[c->screen].padding,
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_need_arrange(c);
client_stack();
ewmh_client_update_hints(c);
hooks_property(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 */
hooks_property(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 */
hooks_property(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 */
hooks_property(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 */
hooks_property(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)
{
/* Move the client back where it belongs. */
uint32_t request[] = { c->geometries.internal.x,
c->geometries.internal.y,
c->geometries.internal.width,
c->geometries.internal.height };
xcb_configure_window(globalconf.connection, c->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT,
request);
window_configure(c->win, c->geometries.internal, c->border);
c->isbanned = false;
/* All the wiboxes (may) need to be repositioned. */
if(client_hasstrut(c))
wibox_update_positions();
}
}
/** Unmanage a client.
* \param c The client.
*/
void
client_unmanage(client_t *c)
{
tag_array_t *tags = &globalconf.screens[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[c->phys_screen].client_focus == c)
client_unfocus(c);
/* remove client everywhere */
client_t **_c = NULL;
foreach(iter, globalconf.clients)
if(c == *iter)
{
_c = iter;
break;
}
client_array_remove(&globalconf.clients, _c);
stack_client_delete(c);
for(int i = 0; i < tags->len; i++)
untag_client(c, tags->tab[i]);
/* call hook */
if(globalconf.hooks.unmanage != LUA_REFNIL)
{
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(globalconf.L, globalconf.hooks.unmanage, 1, 0);
}
/* Call hook to notify list change */
if(globalconf.hooks.clients != LUA_REFNIL)
luaA_dofunction(globalconf.L, globalconf.hooks.clients, 0, 0);
/* The server grab construct avoids race conditions. */
xcb_grab_server(globalconf.connection);
xcb_ungrab_button(globalconf.connection, XCB_BUTTON_INDEX_ANY, c->win,
XCB_BUTTON_MASK_ANY);
window_state_set(c->win, XCB_WM_STATE_WITHDRAWN);
xcb_flush(globalconf.connection);
xcb_ungrab_server(globalconf.connection);
titlebar_client_detach(c);
ewmh_update_net_client_list(c->phys_screen);
/* All the wiboxes (may) need to be repositioned. */
if(client_hasstrut(c))
wibox_update_positions();
/* set client as invalid */
c->invalid = true;
client_unref(&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(window_hasproto(c->win, 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 == SCREEN_UNDEF)
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
luaA_client_userdata_new(globalconf.L, c);
lua_rawseti(L, -2, i++);
}
else
{
luaA_checkscreen(screen);
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
if(c->screen == screen)
{
luaA_client_userdata_new(globalconf.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_checkudata(L, 1, "client");
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;
/* Tiled clients will be resized by the layout functions. */
client_need_arrange(c);
/* Changing border size also affects the size of the titlebar. */
titlebar_update_geometry(c);
hooks_property(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_checkudata(L, 1, "client");
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_checkudata(L, 1, "client");
client_t **swap = luaA_checkudata(L, 2, "client");
if(*c != *swap)
{
/* makes c and swap points on array address, not Lua */
foreach(iter, globalconf.clients)
if(*c == *iter)
c = iter;
else if(*swap == *iter)
swap = iter;
/* swap entry in the array */
client_t *tmp;
tmp = *c;
*c = *swap;
*swap = tmp;
client_need_arrange(*c);
client_need_arrange(*swap);
/* Call hook to notify list change */
if(globalconf.hooks.clients != LUA_REFNIL)
luaA_dofunction(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)
{
tag_array_t *tags;
tag_t **tag;
client_t **c = luaA_checkudata(L, 1, "client");
int j = 0;
if(lua_gettop(L) == 2)
{
luaA_checktable(L, 2);
tags = &globalconf.screens[(*c)->screen].tags;
for(int i = 0; i < tags->len; i++)
untag_client(*c, tags->tab[i]);
lua_pushnil(L);
while(lua_next(L, 2))
{
tag = luaA_checkudata(L, -1, "tag");
tag_client(*c, *tag);
lua_pop(L, 1);
}
lua_pop(L, 1);
}
tags = &globalconf.screens[(*c)->screen].tags;
lua_newtable(L);
for(int i = 0; i < tags->len; i++)
if(is_client_tagged(*c, tags->tab[i]))
{
luaA_tag_userdata_new(L, tags->tab[i]);
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_checkudata(L, 1, "client");
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_checkudata(L, 1, "client");
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_checkudata(L, 1, "client");
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_checkudata(L, 1, "client");
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_checkudata(L, 1, "client");
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_newtable(L);
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_checkudata(L, 1, "client");
if(lua_gettop(L) == 2)
{
strut_t struts;
area_t screen_area = display_area_get((*c)->phys_screen, NULL, NULL);
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));
client_need_arrange((*c));
/* All the wiboxes (may) need to be repositioned. */
wibox_update_positions();
hooks_property(*c, "struts");
}
}
return luaA_pushstruts(L, (*c)->strut);
}
/** Client newindex.
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
*/
int
luaA_client_newindex(lua_State *L)
{
size_t len;
client_t **c = luaA_checkudata(L, 1, "client");
const char *buf = luaL_checklstring(L, 2, &len);
bool b;
double d;
int i;
wibox_t **t = NULL;
image_t **image;
if((*c)->invalid)
luaL_error(L, "client is invalid\n");
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, i, true, true);
}
break;
case A_TK_HIDE:
b = luaA_checkboolean(L, 3);
if(b != (*c)->ishidden)
{
client_need_arrange(*c);
(*c)->ishidden = b;
client_need_arrange(*c);
}
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:
image = luaA_checkudata(L, 3, "image");
image_unref(&(*c)->icon);
image_ref(image);
(*c)->icon = *image;
/* execute hook */
hooks_property(*c, "icon");
break;
case A_TK_OPACITY:
if(lua_isnil(L, 3))
window_opacity_set((*c)->win, -1);
else
{
d = luaL_checknumber(L, 3);
if(d >= 0 && d <= 1)
window_opacity_set((*c)->win, 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);
client_need_arrange(*c);
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
{
t = luaA_checkudata(L, 3, "wibox");
titlebar_client_attach(*c, *t);
}
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 True if the client does not want to be in taskbar.
* \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;
ssize_t slen;
client_t **c = luaA_checkudata(L, 1, "client");
const char *buf = luaL_checklstring(L, 2, &len);
char *value;
void *data;
xcb_get_property_cookie_t prop_c;
xcb_get_property_reply_t *prop_r = NULL;
double d;
if((*c)->invalid)
luaL_error(L, "client is invalid\n");
if(luaA_usemetatable(L, 1, 2))
return 1;
switch(a_tokenize(buf, len))
{
image_t *image;
case A_TK_NAME:
lua_pushstring(L, (*c)->name);
break;
case A_TK_TRANSIENT_FOR:
if((*c)->transient_for)
return luaA_client_userdata_new(L, (*c)->transient_for);
return 0;
case A_TK_SKIP_TASKBAR:
lua_pushboolean(L, (*c)->skiptb);
break;
case A_TK_CONTENT:
if((image = client_getcontent(*c)))
return luaA_image_userdata_new(L, image);
return 0;
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:
if(!xutil_text_prop_get(globalconf.connection, (*c)->win,
WM_WINDOW_ROLE, &value, &slen))
return 0;
lua_pushlstring(L, value, slen);
p_delete(&value);
break;
case A_TK_PID:
prop_c = xcb_get_property_unchecked(globalconf.connection, false, (*c)->win, _NET_WM_PID, CARDINAL, 0L, 1L);
prop_r = xcb_get_property_reply(globalconf.connection, prop_c, NULL);
if(prop_r && prop_r->value_len && (data = xcb_get_property_value(prop_r)))
lua_pushnumber(L, *(uint32_t *)data);
else
{
p_delete(&prop_r);
return 0;
}
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:
if(!xutil_text_prop_get(globalconf.connection, (*c)->win,
WM_CLIENT_MACHINE, &value, &slen))
return 0;
lua_pushlstring(L, value, slen);
p_delete(&value);
break;
case A_TK_ICON_NAME:
lua_pushstring(L, (*c)->icon_name);
break;
case A_TK_SCREEN:
lua_pushnumber(L, 1 + (*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:
if((*c)->icon)
luaA_image_userdata_new(L, (*c)->icon);
else
return 0;
break;
case A_TK_OPACITY:
if((d = window_opacity_get((*c)->win)) >= 0)
lua_pushnumber(L, d);
else
return 0;
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_pushcolor(L, &(*c)->border_color);
break;
case A_TK_TITLEBAR:
if((*c)->titlebar)
return luaA_wibox_userdata_new(L, (*c)->titlebar);
return 0;
case A_TK_URGENT:
lua_pushboolean(L, (*c)->isurgent);
break;
case A_TK_SIZE_HINTS:
{
const char *u_or_p = NULL;
lua_newtable(L);
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_newtable(L);
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_newtable(L);
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_checkudata(L, 1, "client");
button_array_t *buttons = &(*client)->buttons;
if(lua_gettop(L) == 2)
luaA_button_array_set(L, 2, buttons);
window_buttons_grab((*client)->win, &(*client)->buttons);
return luaA_button_array_get(L, 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_checkudata(L, 1, "client");
keybindings_t *keys = &(*c)->keys;
if(lua_gettop(L) == 2)
{
luaA_key_array_set(L, 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, 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:
if(globalconf.screen_focus->client_focus)
luaA_client_userdata_new(L, globalconf.screen_focus->client_focus);
else
return 0;
break;
default:
return 0;
}
return 1;
}
/* 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_checkudata(L, 3, "client");
client_focus(*c);
break;
default:
break;
}
return 0;
}
const struct luaL_reg awesome_client_methods[] =
{
{ "get", luaA_client_get },
{ "__index", luaA_client_module_index },
{ "__newindex", luaA_client_module_newindex },
{ NULL, NULL }
};
const struct luaL_reg awesome_client_meta[] =
{
{ "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 },
{ "__eq", luaA_client_eq },
{ "__gc", luaA_client_gc },
{ "__tostring", luaA_client_tostring },
{ NULL, NULL }
};
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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