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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 <stdio.h>
#include <xcb/xcb.h>
#include <xcb/xcb_atom.h>
#include <xcb/xcb_icccm.h>
#include "client.h"
#include "tag.h"
#include "window.h"
#include "ewmh.h"
#include "widget.h"
#include "screen.h"
#include "titlebar.h"
#include "lua.h"
#include "stack.h"
#include "mouse.h"
#include "systray.h"
#include "layouts/floating.h"
#include "common/markup.h"
#include "common/atoms.h"
extern awesome_t globalconf;
extern const name_func_link_t FloatingPlacementList[];
/** Create a new client userdata.
* \param L The Lua VM state.
* \param p A client pointer.
* \param The number of elements pushed on the stack.
*/
int
luaA_client_userdata_new(lua_State *L, client_t *p)
{
client_t **pp = lua_newuserdata(L, sizeof(client_t *));
*pp = p;
client_ref(pp);
return luaA_settype(L, "client");
}
DO_LUA_EQ(client_t, client, "client")
DO_LUA_GC(client_t, client, "client", client_unref)
/** Load windows properties, restoring client's tag
* and floating state before awesome was restarted if any.
* \param c A client pointer.
* \param screen A virtual screen.
* \return True if client had property, false otherwise.
*/
static bool
client_loadprops(client_t * c, screen_t *screen)
{
ssize_t len;
tag_array_t *tags = &screen->tags;
char *prop = NULL;
if(!xutil_text_prop_get(globalconf.connection, c->win, _AWESOME_PROPERTIES,
&prop, &len))
return false;
if(len != tags->len + 2)
{
/* ignore property if the tag count isn't matching */
p_delete(&prop);
return false;
}
for(int i = 0; i < tags->len; i++)
if(prop[i] == '1')
tag_client(c, tags->tab[i]);
else
untag_client(c, tags->tab[i]);
client_setlayer(c, prop[tags->len + 1] - '0');
client_setfloating(c, prop[tags->len] == '1');
p_delete(&prop);
return true;
}
/** Check if client supports protocol WM_DELETE_WINDOW.
* \param win The window.
* \return True if client has WM_DELETE_WINDOW, false otherwise.
*/
static bool
window_isprotodel(xcb_window_t win)
{
uint32_t i, n;
xcb_atom_t *protocols;
bool ret = false;
if(xcb_get_wm_protocols(globalconf.connection, win, &n, &protocols))
{
for(i = 0; !ret && i < n; i++)
if(protocols[i] == WM_DELETE_WINDOW)
ret = true;
p_delete(&protocols);
}
return ret;
}
/** 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)
{
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;
}
/** Returns true if a client is tagged
* with one of the tags of the specified screen and is not hidden.
* \param c The client to check.
* \param screen Virtual screen number.
* \return true if the client is visible, false otherwise.
*/
bool
client_isvisible(client_t *c, int screen)
{
return (!c->ishidden && client_maybevisible(c, screen));
}
/** 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)
{
client_t *c;
for(c = globalconf.clients; c && c->win != w; c = c->next);
return c;
}
/** Update client name attribute with its new title.
* \param c The client.
* \param Return true if it has been updated.
*/
bool
client_updatetitle(client_t *c)
{
char *name, *utf8;
ssize_t len;
if(!xutil_text_prop_get(globalconf.connection, c->win, _NET_WM_NAME, &name, &len))
if(!xutil_text_prop_get(globalconf.connection, c->win, WM_NAME, &name, &len))
return false;
p_delete(&c->name);
if((utf8 = draw_iso2utf8(name, len)))
c->name = utf8;
else
c->name = name;
/* call hook */
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(globalconf.L, globalconf.hooks.titleupdate, 1, 0);
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
return true;
}
/** Unfocus a client.
* \param c The client.
*/
static void
client_unfocus(client_t *c)
{
globalconf.screens[c->screen].client_focus = NULL;
/* Call hook */
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(globalconf.L, globalconf.hooks.unfocus, 1, 0);
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
ewmh_update_net_active_window(c->phys_screen);
}
/** Ban client and unmap it.
* \param c The client.
*/
void
client_ban(client_t *c)
{
if(globalconf.screen_focus->client_focus == c)
client_unfocus(c);
xcb_unmap_window(globalconf.connection, c->win);
if(c->ishidden)
window_setstate(c->win, XCB_WM_ICONIC_STATE);
else
window_setstate(c->win, XCB_WM_WITHDRAWN_STATE);
if(c->titlebar && c->titlebar->position && c->titlebar->sw)
xcb_unmap_window(globalconf.connection, c->titlebar->sw->window);
}
/** Give focus to client, or to first client if client is NULL.
* \param c The client or NULL.
* \return True if a window (even root) has received focus, false otherwise.
*/
static void
client_focus(client_t *c)
{
if(!client_maybevisible(c, c->screen))
return;
/* unfocus current selected client */
if(globalconf.screen_focus->client_focus
&& c != globalconf.screen_focus->client_focus)
client_unfocus(globalconf.screen_focus->client_focus);
/* stop hiding c */
c->ishidden = false;
/* unban the client before focusing or it will fail */
client_unban(c);
globalconf.screen_focus = &globalconf.screens[c->screen];
globalconf.screen_focus->client_focus = c;
xcb_set_input_focus(globalconf.connection, XCB_INPUT_FOCUS_POINTER_ROOT,
c->win, XCB_CURRENT_TIME);
/* Some layouts use focused client differently, so call them back.
* And anyway, we have maybe unhidden */
globalconf.screens[c->screen].need_arrange = true;
/* execute hook */
luaA_client_userdata_new(globalconf.L, globalconf.screen_focus->client_focus);
luaA_dofunction(globalconf.L, globalconf.hooks.focus, 1, 0);
ewmh_update_net_active_window(c->phys_screen);
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
}
/** Restack clients.
* \todo It might be worth stopping to restack everyone and only stack `c'
* relatively to the first matching in the list.
*/
void
client_stack(void)
{
uint32_t config_win_vals[2];
client_node_t *node;
layer_t layer;
statusbar_t *sb;
int screen;
xembed_window_t *emwin;
config_win_vals[0] = XCB_NONE;
config_win_vals[1] = XCB_STACK_MODE_BELOW;
/* first stack fullscreen and modal windows */
for(layer = LAYER_OUTOFSPACE - 1; layer >= LAYER_FULLSCREEN; layer--)
for(node = globalconf.stack; node; node = node->next)
if(node->client->layer == layer)
{
if(node->client->titlebar
&& node->client->titlebar->sw
&& node->client->titlebar->position)
{
xcb_configure_window(globalconf.connection,
node->client->titlebar->sw->window,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = node->client->titlebar->sw->window;
}
xcb_configure_window(globalconf.connection, node->client->win,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = node->client->win;
}
/* then stack systray windows */
for(emwin = globalconf.embedded; emwin; emwin = emwin->next)
{
xcb_configure_window(globalconf.connection,
emwin->win,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = emwin->win;
}
/* then stack statusbar window */
for(screen = 0; screen < globalconf.screens_info->nscreen; screen++)
for(sb = globalconf.screens[screen].statusbar; sb; sb = sb->next)
if(sb->sw)
{
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;
}
/* finally stack everything else */
for(layer = LAYER_FULLSCREEN - 1; layer >= LAYER_DESKTOP; layer--)
for(node = globalconf.stack; node; node = node->next)
if(node->client->layer == layer)
{
if(node->client->titlebar
&& node->client->titlebar->sw
&& node->client->titlebar->position)
{
xcb_configure_window(globalconf.connection,
node->client->titlebar->sw->window,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = node->client->titlebar->sw->window;
}
xcb_configure_window(globalconf.connection, node->client->win,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = node->client->win;
}
}
/** Put client on top of the stack
* \param c The client to raise.
*/
void
client_raise(client_t *c)
{
/* Push c on top of the stack. */
stack_client_push(c);
client_stack();
}
/** Manage a new client.
* \param w The window.
* \param wgeom Window geometry.
* \param screen Virtual screen number where to manage client.
*/
void
client_manage(xcb_window_t w, xcb_get_geometry_reply_t *wgeom, int screen)
{
client_t *c, *t = NULL;
xcb_window_t trans;
bool rettrans, retloadprops;
xcb_size_hints_t *u_size_hints;
const uint32_t select_input_val[] =
{
XCB_EVENT_MASK_STRUCTURE_NOTIFY
| XCB_EVENT_MASK_PROPERTY_CHANGE
| XCB_EVENT_MASK_ENTER_WINDOW
};
xcb_change_window_attributes(globalconf.connection, w, XCB_CW_EVENT_MASK, select_input_val);
if(systray_iskdedockapp(w))
{
systray_request_handle(w, screen_virttophys(screen), NULL);
return;
}
c = p_new(client_t, 1);
c->screen = screen_get_bycoord(globalconf.screens_info, screen, wgeom->x, wgeom->y);
if(globalconf.screens_info->xinerama_is_active)
c->phys_screen = globalconf.default_screen;
else
c->phys_screen = c->screen;
/* Initial values */
c->win = w;
c->geometry.x = c->f_geometry.x = c->m_geometry.x = wgeom->x;
c->geometry.y = c->f_geometry.y = c->m_geometry.y = wgeom->y;
c->geometry.width = c->f_geometry.width = c->m_geometry.width = wgeom->width;
c->geometry.height = c->f_geometry.height = c->m_geometry.height = wgeom->height;
c->layer = c->oldlayer = LAYER_TILE;
client_setborder(c, wgeom->border_width);
c->icon = ewmh_window_icon_get(c->win);
/* update hints */
u_size_hints = client_updatesizehints(c);
client_updatewmhints(c);
/* Try to load props if any */
if(!(retloadprops = client_loadprops(c, &globalconf.screens[screen])))
screen_client_moveto(c, screen, true);
/* Then check clients hints */
ewmh_check_client_hints(c);
/* check for transient and set tags like its parent */
if((rettrans = xcb_get_wm_transient_for(globalconf.connection, w, &trans))
&& (t = client_getbywin(trans)))
{
tag_array_t *tags = &globalconf.screens[c->screen].tags;
for(int i = 0; i < tags->len; i++)
if(is_client_tagged(t, tags->tab[i]))
tag_client(c, tags->tab[i]);
}
/* should be floating if transsient or fixed */
if(rettrans || c->isfixed)
client_setfloating(c, true);
/* Push client in client list */
client_list_push(&globalconf.clients, c);
client_ref(&c);
/* Push client in stack */
client_raise(c);
/* update window title */
client_updatetitle(c);
ewmh_update_net_client_list(c->phys_screen);
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
/* call hook */
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(globalconf.L, globalconf.hooks.manage, 1, 0);
if(c->floating_placement
&& !retloadprops
&& u_size_hints
&& !(xcb_size_hints_get_flags(u_size_hints) & (XCB_SIZE_US_POSITION_HINT
| XCB_SIZE_P_POSITION_HINT)))
{
if(c->isfloating)
client_resize(c, c->floating_placement(c), false);
else
c->f_geometry = c->floating_placement(c);
}
if(u_size_hints)
xcb_free_size_hints(u_size_hints);
}
/** 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)
{
double dx, dy, max, min, ratio;
if(c->minay > 0 && c->maxay > 0 && (geometry.height - c->baseh) > 0
&& (geometry.width - c->basew) > 0)
{
dx = (double) (geometry.width - c->basew);
dy = (double) (geometry.height - c->baseh);
min = (double) (c->minax) / (double) (c->minay);
max = (double) (c->maxax) / (double) (c->maxay);
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 + c->basew;
geometry.height = (int) dy + c->baseh;
}
else if(ratio > max)
{
dy = (dx * min + dy) / (max * max + 1);
dx = dy * min;
geometry.width = (int) dx + c->basew;
geometry.height = (int) dy + c->baseh;
}
}
}
if(c->minw && geometry.width < c->minw)
geometry.width = c->minw;
if(c->minh && geometry.height < c->minh)
geometry.height = c->minh;
if(c->maxw && geometry.width > c->maxw)
geometry.width = c->maxw;
if(c->maxh && geometry.height > c->maxh)
geometry.height = c->maxh;
if(c->incw)
geometry.width -= (geometry.width - c->basew) % c->incw;
if(c->inch)
geometry.height -= (geometry.height - c->baseh) % c->inch;
return geometry;
}
/** Resize client window.
* \param c Client to resize.
* \param geometry New window geometry.
* \param hints Use size hints.
* \return True if the client has been resized.
*/
bool
client_resize(client_t *c, area_t geometry, bool hints)
{
int new_screen;
area_t area;
layout_t *layout = layout_get_current(c->screen);
bool resized = false;
/* Values to configure a window is an array where values are
* stored according to 'value_mask' */
uint32_t values[5];
if(c->titlebar && !c->ismoving && !c->isfloating && layout != layout_floating)
geometry = titlebar_geometry_remove(c->titlebar, c->border, geometry);
if(hints)
geometry = client_geometry_hints(c, geometry);
if(geometry.width <= 0 || geometry.height <= 0)
return false;
/* 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 - 2 * c->border;
if(geometry.y > area.height)
geometry.y = area.height - geometry.height - 2 * c->border;
if(geometry.x + geometry.width + 2 * c->border < 0)
geometry.x = 0;
if(geometry.y + geometry.height + 2 * c->border < 0)
geometry.y = 0;
if(c->geometry.x != geometry.x || c->geometry.y != geometry.y
|| c->geometry.width != geometry.width || c->geometry.height != geometry.height)
{
new_screen =
screen_get_bycoord(globalconf.screens_info, c->screen, geometry.x, geometry.y);
c->geometry.x = values[0] = geometry.x;
c->geometry.width = values[2] = geometry.width;
c->geometry.y = values[1] = geometry.y;
c->geometry.height = values[3] = geometry.height;
values[4] = c->border;
/* save the floating geometry if the window is floating but not
* maximized */
if(c->ismoving || c->isfloating
|| layout_get_current(new_screen) == layout_floating)
{
titlebar_update_geometry_floating(c);
if(!c->ismax)
c->f_geometry = geometry;
}
xcb_configure_window(globalconf.connection, c->win,
XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
XCB_CONFIG_WINDOW_BORDER_WIDTH,
values);
window_configure(c->win, geometry, c->border);
if(c->screen != new_screen)
screen_client_moveto(c, new_screen, false);
resized = true;
}
/* call it again like it was floating,
* we want it to be sticked to the window */
if(!c->ismoving && !c->isfloating && layout != layout_floating)
titlebar_update_geometry_floating(c);
return resized;
}
/* Set the client layer.
* \param c The client.
* \param layer The layer.
*/
void
client_setlayer(client_t *c, layer_t layer)
{
c->layer = layer;
client_raise(c);
client_saveprops(c);
}
/** Set a clinet floating.
* \param c The client.
* \param floating Set floating, or not.
* \param layer Layer to put the floating window onto.
*/
void
client_setfloating(client_t *c, bool floating)
{
if(c->isfloating != floating)
{
if((c->isfloating = floating))
{
client_setlayer(c, MAX(c->layer, LAYER_FLOAT));
client_resize(c, c->f_geometry, false);
titlebar_update_geometry_floating(c);
}
else if(c->ismax)
{
c->ismax = false;
client_setlayer(c, c->oldlayer);
client_resize(c, c->m_geometry, false);
}
else
client_setlayer(c, c->oldlayer);
if(client_isvisible(c, c->screen))
globalconf.screens[c->screen].need_arrange = true;
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
client_saveprops(c);
}
}
/** Save client properties as an X property.
* \param c The client.
*/
void
client_saveprops(client_t *c)
{
tag_array_t *tags = &globalconf.screens[c->screen].tags;
unsigned char *prop = p_alloca(unsigned char, tags->len + 3);
int i;
for(i = 0; i < tags->len; i++)
prop[i] = is_client_tagged(c, tags->tab[i]) ? '1' : '0';
prop[i++] = c->isfloating ? '1' : '0';
prop[i++] = '0' + c->layer;
xcb_change_property(globalconf.connection, XCB_PROP_MODE_REPLACE, c->win, _AWESOME_PROPERTIES, STRING, 8, i, prop);
}
/** Unban a client.
* \param c The client.
*/
void
client_unban(client_t *c)
{
xcb_map_window(globalconf.connection, c->win);
window_setstate(c->win, XCB_WM_NORMAL_STATE);
if(c->titlebar && c->titlebar->sw && c->titlebar->position)
xcb_map_window(globalconf.connection, c->titlebar->sw->window);
}
/** Unmanage a client.
* \param c The client.
*/
void
client_unmanage(client_t *c)
{
tag_array_t *tags = &globalconf.screens[c->screen].tags;
if(globalconf.screens[c->screen].client_focus == c)
client_unfocus(c);
/* call hook */
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(globalconf.L, globalconf.hooks.unmanage, 1, 0);
/* The server grab construct avoids race conditions. */
xcb_grab_server(globalconf.connection);
xcb_configure_window(globalconf.connection, c->win,
XCB_CONFIG_WINDOW_BORDER_WIDTH,
(uint32_t *) &c->oldborder);
xcb_ungrab_button(globalconf.connection, XCB_BUTTON_INDEX_ANY, c->win,
XUTIL_ANY_MODIFIER);
window_setstate(c->win, XCB_WM_WITHDRAWN_STATE);
xcb_aux_sync(globalconf.connection);
xcb_ungrab_server(globalconf.connection);
/* remove client everywhere */
client_list_detach(&globalconf.clients, c);
stack_client_delete(c);
for(int i = 0; i < tags->len; i++)
untag_client(c, tags->tab[i]);
if(c->titlebar)
{
simplewindow_delete(&c->titlebar->sw);
titlebar_unref(&c->titlebar);
}
ewmh_update_net_client_list(c->phys_screen);
/* delete properties */
xcb_delete_property(globalconf.connection, c->win, _AWESOME_PROPERTIES);
/* set client as invalid */
c->invalid = true;
client_unref(&c);
}
/** Update the WM hints of a client.
* \param c The client.
*/
void
client_updatewmhints(client_t *c)
{
xcb_wm_hints_t *wmh;
uint32_t wm_hints_flags;
if((wmh = xcb_get_wm_hints(globalconf.connection, c->win)))
{
wm_hints_flags = xcb_wm_hints_get_flags(wmh);
if((c->isurgent = xcb_wm_hints_get_urgency(wmh)))
{
/* execute hook */
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(globalconf.L, globalconf.hooks.urgent, 1, 0);
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
}
if((wm_hints_flags & XCB_WM_STATE_HINT) &&
(xcb_wm_hints_get_initial_state(wmh) == XCB_WM_WITHDRAWN_STATE))
{
client_setborder(c, 0);
c->skip = true;
}
xcb_free_wm_hints(wmh);
}
}
/** Update the size hints of a client.
* \param c The client.
* \return A pointer to a xcb_size_hints_t.
*/
xcb_size_hints_t *
client_updatesizehints(client_t *c)
{
long msize;
xcb_size_hints_t *size;
uint32_t size_flags;
if(!(size = xcb_get_wm_normal_hints(globalconf.connection, c->win, &msize)))
return NULL;
size_flags = xcb_size_hints_get_flags(size);
if((size_flags & XCB_SIZE_P_SIZE_HINT))
xcb_size_hints_get_base_size(size, &c->basew, &c->baseh);
else if((size_flags & XCB_SIZE_P_MIN_SIZE_HINT))
xcb_size_hints_get_min_size(size, &c->basew, &c->baseh);
else
c->basew = c->baseh = 0;
if((size_flags & XCB_SIZE_P_RESIZE_INC_HINT))
xcb_size_hints_get_increase(size, &c->incw, &c->inch);
else
c->incw = c->inch = 0;
if((size_flags & XCB_SIZE_P_MAX_SIZE_HINT))
xcb_size_hints_get_max_size(size, &c->maxw, &c->maxh);
else
c->maxw = c->maxh = 0;
if((size_flags & XCB_SIZE_P_MIN_SIZE_HINT))
xcb_size_hints_get_min_size(size, &c->minw, &c->minh);
else if((size_flags & XCB_SIZE_BASE_SIZE_HINT))
xcb_size_hints_get_base_size(size, &c->minw, &c->minh);
else
c->minw = c->minh = 0;
if((size_flags & XCB_SIZE_P_ASPECT_HINT))
{
xcb_size_hints_get_min_aspect(size, &c->minax, &c->minay);
xcb_size_hints_get_max_aspect(size, &c->maxax, &c->maxay);
}
else
c->minax = c->maxax = c->minay = c->maxay = 0;
if(c->maxw && c->minw && c->maxh && c->minh
&& c->maxw == c->minw && c->maxh == c->minh)
c->isfixed = true;
c->hassizehints = !(!c->basew && !c->baseh && !c->incw && !c->inch
&& !c->maxw && !c->maxh && !c->minw && !c->minh
&& !c->minax && !c->maxax && !c->minax && !c->minay);
return size;
}
/** Kill a client via a WM_DELETE_WINDOW request or XKillClient if not
* supported.
* \param c The client to kill.
*/
void
client_kill(client_t *c)
{
xcb_client_message_event_t ev;
if(window_isprotodel(c->win))
{
/* 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.
* \luastack
* \lreturn A table with all clients.
*/
static int
luaA_client_get(lua_State *L)
{
int i = 1;
client_t *c;
lua_newtable(L);
for(c = globalconf.clients; c; c = c->next)
{
luaA_client_userdata_new(globalconf.L, c);
lua_rawseti(L, -2, i++);
}
return 1;
}
/** Add mouse bindings over clients's window.
* \param L The Lua VM state.
* \luastack
* \lvalue A client.
* \lparam A button binding.
*/
static int
luaA_client_mouse_add(lua_State *L)
{
client_t **c = luaA_checkudata(L, 1, "client");
button_t **b = luaA_checkudata(L, 2, "mouse");
button_list_push(&(*c)->buttons, *b);
button_ref(b);
return 0;
}
/** Remove mouse bindings over clients's window.
* \param L The Lua VM state.
* \luastack
* \lvalue A client.
* \lparam A button binding.
*/
static int
luaA_client_mouse_remove(lua_State *L)
{
client_t **c = luaA_checkudata(L, 1, "client");
button_t **b = luaA_checkudata(L, 1, "mouse");
button_list_detach(&(*c)->buttons, *b);
button_unref(b);
return 0;
}
/** Get only visible clients for a screen.
* \param L The Lua VM state.
* \luastack
* \lparam A screen number.
* \lreturn A table with all visible clients for this screen.
*/
static int
luaA_client_visible_get(lua_State *L)
{
int i = 1;
client_t *c;
int screen = luaL_checknumber(L, 1) - 1;
luaA_checkscreen(screen);
lua_newtable(L);
for(c = globalconf.clients; c; c = c->next)
if(!c->skip && !c->ishidden && client_isvisible(c, screen))
{
luaA_client_userdata_new(globalconf.L, c);
lua_rawseti(L, -2, i++);
}
return 1;
}
/** Get the currently focused client.
* \param L The Lua VM state.
* \luastack
* \lreturn The currently focused client.
*/
static int
luaA_client_focus_get(lua_State *L)
{
if(globalconf.screen_focus->client_focus)
return luaA_client_userdata_new(L, globalconf.screen_focus->client_focus);
return 0;
}
/** 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((c->noborder && width > 0) || width == c->border || width < 0)
return;
c->border = width;
xcb_configure_window(globalconf.connection, c->win,
XCB_CONFIG_WINDOW_BORDER_WIDTH, &w);
if(c->isfloating || layout_get_current(c->screen) == layout_floating)
titlebar_update_geometry_floating(c);
else
globalconf.screens[c->screen].need_arrange = true;
}
/** 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");
client_list_swap(&globalconf.clients, *swap, *c);
globalconf.screens[(*c)->screen].need_arrange = true;
globalconf.screens[(*swap)->screen].need_arrange = true;
widget_invalidate_cache((*c)->screen, WIDGET_CACHE_CLIENTS);
widget_invalidate_cache((*swap)->screen, WIDGET_CACHE_CLIENTS);
return 0;
}
/** Focus a client.
* \param L The Lua VM state.
*
* \luastack
* \lvalue A client.
*/
static int
luaA_client_focus_set(lua_State *L)
{
client_t **c = luaA_checkudata(L, 1, "client");
client_focus(*c);
return 0;
}
/** 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;
}
/** 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);
return 0;
}
/** Return a formated string for a client.
* \param L The Lua VM state.
* \luastack
* \lvalue A client.
* \lreturn A string.
*/
static int
luaA_client_tostring(lua_State *L)
{
client_t **p = luaA_checkudata(L, 1, "client");
lua_pushfstring(L, "[client udata(%p) name(%s)]", *p, (*p)->name);
return 1;
}
/** Stop managing a client.
* \param L The Lua VM state.
* \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;
}
/** 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;
titlebar_t **t = NULL;
tag_array_t *tags;
tag_t **tag;
if((*c)->invalid)
luaL_error(L, "client is invalid\n");
switch(a_tokenize(buf, len))
{
case A_TK_NAME:
buf = luaL_checklstring(L, 3, &len);
p_delete(&(*c)->name);
a_iso2utf8(&(*c)->name, buf, len);
widget_invalidate_cache((*c)->screen, WIDGET_CACHE_CLIENTS);
break;
case A_TK_FLOATING_PLACEMENT:
(*c)->floating_placement = name_func_lookup(luaL_checkstring(L, 3),
FloatingPlacementList);
break;
case A_TK_SCREEN:
if(globalconf.screens_info->xinerama_is_active)
{
i = luaL_checknumber(L, 3) - 1;
luaA_checkscreen(i);
if(i != (*c)->screen)
screen_client_moveto(*c, i, true);
}
break;
case A_TK_HIDE:
b = luaA_checkboolean(L, 3);
if(b != (*c)->ishidden)
{
(*c)->ishidden = b;
if(client_isvisible(*c, (*c)->screen))
globalconf.screens[(*c)->screen].need_arrange = true;
}
break;
case A_TK_ICON_PATH:
buf = luaL_checkstring(L, 3);
p_delete(&(*c)->icon_path);
(*c)->icon_path = a_strdup(buf);
widget_invalidate_cache((*c)->screen, WIDGET_CACHE_CLIENTS);
break;
case A_TK_OPACITY:
d = luaL_checknumber(L, 3);
if(d == -1 || (d >= 0 && d <= 1))
window_settrans((*c)->win, d);
break;
case A_TK_FLOATING:
client_setfloating(*c, luaA_checkboolean(L, 3));
break;
case A_TK_HONORSIZEHINTS:
(*c)->honorsizehints = luaA_checkboolean(L, 3);
if(client_isvisible(*c, (*c)->screen))
globalconf.screens[(*c)->screen].need_arrange = true;
break;
case A_TK_BORDER_WIDTH:
client_setborder(*c, luaL_checknumber(L, 3));
break;
case A_TK_BORDER_COLOR:
if((buf = luaL_checklstring(L, 3, &len))
&& xcolor_init(&(*c)->border_color, globalconf.connection, (*c)->phys_screen, buf, len))
xcb_change_window_attributes(globalconf.connection, (*c)->win,
XCB_CW_BORDER_PIXEL, &(*c)->border_color.pixel);
break;
case A_TK_COORDS:
if((*c)->isfloating || layout_get_current((*c)->screen) == layout_floating)
{
area_t geometry;
luaA_checktable(L, 3);
geometry.x = luaA_getopt_number(L, 3, "x", (*c)->geometry.x);
geometry.y = luaA_getopt_number(L, 3, "y", (*c)->geometry.y);
geometry.width = luaA_getopt_number(L, 3, "width", (*c)->geometry.width);
geometry.height = luaA_getopt_number(L, 3, "height", (*c)->geometry.height);
client_resize(*c, geometry, false);
}
break;
case A_TK_TITLEBAR:
if(!lua_isnil(L, 3))
{
t = luaA_checkudata(L, 3, "titlebar");
if(client_getbytitlebar(*t))
luaL_error(L, "titlebar is already used by another client");
}
/* If client had a titlebar, unref it */
if((*c)->titlebar)
{
simplewindow_delete(&(*c)->titlebar->sw);
titlebar_unref(&(*c)->titlebar);
globalconf.screens[(*c)->screen].need_arrange = true;
}
if(t)
{
/* Attach titlebar to client */
(*c)->titlebar = *t;
titlebar_ref(t);
titlebar_init(*c);
}
break;
case A_TK_TAGS:
luaA_checktable(L, 3);
tags = &globalconf.screens[(*c)->screen].tags;
for(i = 0; i < tags->len; i++)
untag_client(*c, tags->tab[i]);
lua_pushnil(L);
while(lua_next(L, 3))
{
tag = luaA_checkudata(L, -1, "tag");
tag_client(*c, *tag);
lua_pop(L, 1);
}
break;
default:
return 0;
}
return 0;
}
/** Client object.
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
* \luastack
* \lfield name The client title.
* \lfield class The client class.
* \lfield instance The client instance.
* \lfield pid The client PID, if available.
* \lfield machine The machine client is running on.
* \lfield icon_name The client name when iconified.
* \lfield floating_placement The floating placement used for this client.
* \lfield screen Client screen number.
* \lfield hide Define if the client must be hidden, i.e. never mapped.
* \lfield icon_path Path to the icon used to identify.
* \lfield floating True always floating.
* \lfield honorsizehints Honor size hints, i.e. respect size ratio.
* \lfield border_width The client border width.
* \lfield border_color The client border color.
* \lfield coords The client coordinates.
* \lfield titlebar The client titlebar.
* \lfield urgent The client urgent state.
* \lfield tags The clients tags.
*/
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;
xutil_class_hint_t hint;
xcb_get_property_cookie_t prop_c;
xcb_get_property_reply_t *prop_r = NULL;
tag_array_t *tags;
int i;
if((*c)->invalid)
luaL_error(L, "client is invalid\n");
if(luaA_usemetatable(L, 1, 2))
return 1;
switch(a_tokenize(buf, len))
{
case A_TK_NAME:
lua_pushstring(L, (*c)->name);
break;
case A_TK_CLASS:
if(!xutil_class_hint_get(globalconf.connection, (*c)->win, &hint))
return 0;
lua_pushstring(L, hint.res_class);
break;
case A_TK_INSTANCE:
if(!xutil_class_hint_get(globalconf.connection, (*c)->win, &hint))
return 0;
lua_pushstring(L, hint.res_name);
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_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:
if(!xutil_text_prop_get(globalconf.connection, (*c)->win,
_NET_WM_ICON_NAME, &value, &slen))
if(!xutil_text_prop_get(globalconf.connection, (*c)->win,
WM_ICON_NAME, &value, &slen))
return 0;
lua_pushlstring(L, value, slen);
p_delete(&value);
break;
case A_TK_FLOATING_PLACEMENT:
lua_pushstring(L, name_func_rlookup((*c)->floating_placement,
FloatingPlacementList));
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_ICON_PATH:
lua_pushstring(L, (*c)->icon_path);
break;
case A_TK_FLOATING:
lua_pushboolean(L, (*c)->isfloating);
break;
case A_TK_HONORSIZEHINTS:
lua_pushboolean(L, (*c)->honorsizehints);
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_COORDS:
lua_newtable(L);
lua_pushnumber(L, (*c)->geometry.width);
lua_setfield(L, -2, "width");
lua_pushnumber(L, (*c)->geometry.height);
lua_setfield(L, -2, "height");
lua_pushnumber(L, (*c)->geometry.x);
lua_setfield(L, -2, "x");
lua_pushnumber(L, (*c)->geometry.y);
lua_setfield(L, -2, "y");
break;
case A_TK_TITLEBAR:
if((*c)->titlebar)
return luaA_titlebar_userdata_new(globalconf.L, (*c)->titlebar);
return 0;
case A_TK_URGENT:
lua_pushboolean(L, (*c)->isurgent);
break;
case A_TK_TAGS:
tags = &globalconf.screens[(*c)->screen].tags;
luaA_otable_new(L);
for(i = 0; i < tags->len; i++)
if(is_client_tagged(*c, tags->tab[i]))
{
luaA_tag_userdata_new(L, tags->tab[i]);
luaA_tag_userdata_new(L, tags->tab[i]);
lua_rawset(L, -3);
}
break;
default:
return 0;
}
return 1;
}
const struct luaL_reg awesome_client_methods[] =
{
{ "get", luaA_client_get },
{ "focus_get", luaA_client_focus_get },
{ "visible_get", luaA_client_visible_get },
{ NULL, NULL }
};
const struct luaL_reg awesome_client_meta[] =
{
{ "kill", luaA_client_kill },
{ "swap", luaA_client_swap },
{ "focus_set", luaA_client_focus_set },
{ "raise", luaA_client_raise },
{ "redraw", luaA_client_redraw },
{ "mouse_resize", luaA_client_mouse_resize },
{ "mouse_move", luaA_client_mouse_move },
{ "unmanage", luaA_client_unmanage },
{ "mouse_add", luaA_client_mouse_add },
{ "mouse_remove", luaA_client_mouse_remove },
{ "__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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