/** The focus in event handler.
* \param ev The event.
*/
static void
event_handle_focusin(xcb_focus_in_event_t *ev)
{
if (ev->mode == XCB_NOTIFY_MODE_GRAB
|| ev->mode == XCB_NOTIFY_MODE_UNGRAB)
/* Ignore focus changes due to keyboard grabs */
return;
/* Events that we are interested in: */
switch(ev->detail)
{
/* These are events that jump between root windows.
*/
case XCB_NOTIFY_DETAIL_ANCESTOR:
case XCB_NOTIFY_DETAIL_INFERIOR:
/* These are events that jump between clients.
* Virtual events ensure we always get an event on our top-level window.
*/
case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
case XCB_NOTIFY_DETAIL_NONLINEAR:
{
client_t *c;
if((c = client_getbywin(ev->event))) {
/* If there is still a pending focus change, do it now. */
client_focus_refresh();
client_focus_update(c);
}
}
/* all other events are ignored */
default:
break;
}
}
/** The client message event handler.
* \param ev The event.
*/
static void
event_handle_clientmessage(xcb_client_message_event_t *ev)
{
/* check for startup notification messages */
if(sn_xcb_display_process_event(globalconf.sndisplay, (xcb_generic_event_t *) ev))
return;
if(ev->type == WM_CHANGE_STATE)
{
client_t *c;
if((c = client_getbywin(ev->window))
&& ev->format == 32
&& ev->data.data32[0] == XCB_ICCCM_WM_STATE_ICONIC)
{
lua_State *L = globalconf_get_lua_State();
luaA_object_push(L, c);
client_set_minimized(L, -1, true);
lua_pop(L, 1);
}
}
else if(ev->type == _XEMBED)
xembed_process_client_message(ev);
else if(ev->type == _NET_SYSTEM_TRAY_OPCODE)
systray_process_client_message(ev);
else
ewmh_process_client_message(ev);
}
static int
property_handle_net_wm_opacity(uint8_t state,
xcb_window_t window,
xcb_atom_t name,
xcb_get_property_reply_t *reply)
{
wibox_t *wibox = wibox_getbywin(window);
if(wibox)
{
luaA_object_push(globalconf.L, wibox);
wibox_set_opacity(globalconf.L, -1, window_opacity_get_from_reply(reply));
lua_pop(globalconf.L, -1);
}
else
{
client_t *c = client_getbywin(window);
if(c)
{
luaA_object_push(globalconf.L, c);
client_set_opacity(globalconf.L, -1, window_opacity_get_from_reply(reply));
lua_pop(globalconf.L, 1);
}
}
return 0;
}
void
property_update_wm_transient_for(client_t *c, xcb_get_property_cookie_t cookie)
{
xcb_window_t trans;
int counter;
client_t *tc, *tmp;
if(!xcb_icccm_get_wm_transient_for_reply(globalconf.connection,
cookie,
&trans, NULL))
return;
tmp = tc = client_getbywin(trans);
luaA_object_push(globalconf.L, c);
client_set_type(globalconf.L, -1, WINDOW_TYPE_DIALOG);
client_set_above(globalconf.L, -1, false);
/* Verify that there are no loops in the transient_for relation after we are done */
for(counter = 0; tmp != NULL && counter <= globalconf.stack.len; counter++)
{
if (tmp == c)
/* We arrived back at the client we started from, so there is a loop */
counter = globalconf.stack.len+1;
tmp = tmp->transient_for;
}
if (counter <= globalconf.stack.len)
client_set_transient_for(globalconf.L, -1, tc);
lua_pop(globalconf.L, 1);
}
void
property_update_wm_transient_for(client_t *c, xcb_get_property_reply_t *reply)
{
xcb_window_t trans;
if(reply)
{
if(!xcb_icccm_get_wm_transient_for_from_reply(&trans, reply))
return;
}
else
{
if(!xcb_icccm_get_wm_transient_for_reply(globalconf.connection,
xcb_icccm_get_wm_transient_for_unchecked(globalconf.connection,
c->window),
&trans, NULL))
return;
}
luaA_object_push(globalconf.L, c);
client_set_type(globalconf.L, -1, WINDOW_TYPE_DIALOG);
client_set_above(globalconf.L, -1, false);
client_set_transient_for(globalconf.L, -1, client_getbywin(trans));
lua_pop(globalconf.L, 1);
}
static int
property_handle_net_wm_opacity(uint8_t state,
xcb_window_t window)
{
drawin_t *drawin = drawin_getbywin(window);
if(drawin)
{
luaA_object_push(globalconf.L, drawin);
window_set_opacity(globalconf.L, -1, xwindow_get_opacity(drawin->window));
lua_pop(globalconf.L, -1);
}
else
{
client_t *c = client_getbywin(window);
if(c)
{
luaA_object_push(globalconf.L, c);
window_set_opacity(globalconf.L, -1, xwindow_get_opacity(c->window));
lua_pop(globalconf.L, 1);
}
}
return 0;
}
/** The key press event handler.
* \param ev The event.
*/
static void
event_handle_key(xcb_key_press_event_t *ev)
{
lua_State *L = globalconf_get_lua_State();
globalconf.timestamp = ev->time;
if(globalconf.keygrabber != LUA_REFNIL)
{
if(keygrabber_handlekpress(L, ev))
{
lua_rawgeti(L, LUA_REGISTRYINDEX, globalconf.keygrabber);
if(!luaA_dofunction(L, 3, 0))
{
warn("Stopping keygrabber.");
luaA_keygrabber_stop(L);
}
}
}
else
{
/* get keysym ignoring all modifiers */
xcb_keysym_t keysym = xcb_key_symbols_get_keysym(globalconf.keysyms, ev->detail, 0);
client_t *c;
if((c = client_getbywin(ev->event)) || (c = client_getbynofocuswin(ev->event)))
{
luaA_object_push(L, c);
event_key_callback(ev, &c->keys, L, -1, 1, &keysym);
}
else
event_key_callback(ev, &globalconf.keys, L, 0, 0, &keysym);
}
}
static int
property_handle_net_wm_strut_partial(uint8_t state,
xcb_window_t window)
{
client_t *c = client_getbywin(window);
if(c)
ewmh_process_client_strut(c);
return 0;
}
/** The map request event handler.
* \param ev The event.
*/
static void
event_handle_maprequest(xcb_map_request_event_t *ev)
{
client_t *c;
xcb_get_window_attributes_cookie_t wa_c;
xcb_get_window_attributes_reply_t *wa_r;
xcb_get_geometry_cookie_t geom_c;
xcb_get_geometry_reply_t *geom_r;
wa_c = xcb_get_window_attributes_unchecked(globalconf.connection, ev->window);
if(!(wa_r = xcb_get_window_attributes_reply(globalconf.connection, wa_c, NULL)))
return;
if(wa_r->override_redirect)
goto bailout;
if(xembed_getbywin(&globalconf.embedded, ev->window))
{
xcb_map_window(globalconf.connection, ev->window);
xembed_window_activate(globalconf.connection, ev->window);
}
else if((c = client_getbywin(ev->window)))
{
/* Check that it may be visible, but not asked to be hidden */
if(client_on_selected_tags(c) && !c->hidden)
{
lua_State *L = globalconf_get_lua_State();
luaA_object_push(L, c);
client_set_minimized(L, -1, false);
lua_pop(L, 1);
/* it will be raised, so just update ourself */
client_raise(c);
}
}
else
{
geom_c = xcb_get_geometry_unchecked(globalconf.connection, ev->window);
if(!(geom_r = xcb_get_geometry_reply(globalconf.connection, geom_c, NULL)))
{
goto bailout;
}
client_manage(ev->window, geom_r, wa_r);
p_delete(&geom_r);
}
bailout:
p_delete(&wa_r);
}
static void
event_handle_reparentnotify(xcb_reparent_notify_event_t *ev)
{
client_t *c;
if((c = client_getbywin(ev->window)) && c->frame_window != ev->parent)
{
/* Ignore reparents to the root window, they *might* be caused by
* ourselves if a client quickly unmaps and maps itself again. */
if (ev->parent != globalconf.screen->root)
client_unmanage(c, true);
}
}
static int
property_handle_net_wm_strut_partial(void *data,
xcb_connection_t *connection,
uint8_t state,
xcb_window_t window,
xcb_atom_t name,
xcb_get_property_reply_t *reply)
{
client_t *c = client_getbywin(window);
if(c)
ewmh_client_strut_update(c, reply);
return 0;
}
/** The destroy notify event handler.
* \param ev The event.
*/
static void
event_handle_destroynotify(xcb_destroy_notify_event_t *ev)
{
client_t *c;
if((c = client_getbywin(ev->window)))
client_unmanage(c, false);
else
for(int i = 0; i < globalconf.embedded.len; i++)
if(globalconf.embedded.tab[i].win == ev->window)
{
xembed_window_array_take(&globalconf.embedded, i);
luaA_systray_invalidate();
}
}
static int
property_handle_wm_transient_for(void *data,
xcb_connection_t *connection,
uint8_t state,
xcb_window_t window,
xcb_atom_t name,
xcb_get_property_reply_t *reply)
{
client_t *c = client_getbywin(window);
if(c && !client_isfloating(c))
property_update_wm_transient_for(c, reply);
return 0;
}
static int
property_handle_wm_icon_name(void *data,
xcb_connection_t *connection,
uint8_t state,
xcb_window_t window,
xcb_atom_t name,
xcb_get_property_reply_t *reply)
{
client_t *c = client_getbywin(window);
if(c)
property_update_wm_icon_name(c);
return 0;
}
/** The shape notify event handler.
* \param ev The event.
*/
static void
event_handle_shape_notify(xcb_shape_notify_event_t *ev)
{
client_t *c = client_getbywin(ev->affected_window);
if (c)
{
lua_State *L = globalconf_get_lua_State();
luaA_object_push(L, c);
if (ev->shape_kind == XCB_SHAPE_SK_BOUNDING)
luaA_object_emit_signal(L, -1, "property::shape_client_bounding", 0);
if (ev->shape_kind == XCB_SHAPE_SK_CLIP)
luaA_object_emit_signal(L, -1, "property::shape_client_clip", 0);
lua_pop(L, 1);
}
}
void
property_update_wm_transient_for(client_t *c, xcb_get_property_cookie_t cookie)
{
xcb_window_t trans;
if(!xcb_icccm_get_wm_transient_for_reply(globalconf.connection,
cookie,
&trans, NULL))
return;
luaA_object_push(globalconf.L, c);
client_set_type(globalconf.L, -1, WINDOW_TYPE_DIALOG);
client_set_above(globalconf.L, -1, false);
client_set_transient_for(globalconf.L, -1, client_getbywin(trans));
lua_pop(globalconf.L, 1);
}
/** The unmap notify event handler.
* \param ev The event.
*/
static void
event_handle_unmapnotify(xcb_unmap_notify_event_t *ev)
{
client_t *c;
if((c = client_getbywin(ev->window)))
client_unmanage(c, true);
else
for(int i = 0; i < globalconf.embedded.len; i++)
if(globalconf.embedded.tab[i].win == ev->window)
{
xembed_window_array_take(&globalconf.embedded, i);
xcb_change_save_set(globalconf.connection, XCB_SET_MODE_DELETE, ev->window);
luaA_systray_invalidate();
}
}
void
property_update_wm_transient_for(client_t *c, xcb_get_property_reply_t *reply)
{
xcb_window_t trans;
if(reply)
{
if(!xcb_get_wm_transient_for_from_reply(&trans, reply))
return;
}
else
{
if(!xcb_get_wm_transient_for_reply(globalconf.connection,
xcb_get_wm_transient_for_unchecked(globalconf.connection,
c->win),
&trans, NULL))
return;
}
c->type = WINDOW_TYPE_DIALOG;
c->transient_for = client_getbywin(trans);
}
static int
property_handle_net_wm_icon(void *data,
xcb_connection_t *connection,
uint8_t state,
xcb_window_t window,
xcb_atom_t name,
xcb_get_property_reply_t *reply)
{
client_t *c = client_getbywin(window);
if(c)
{
image_t *icon;
image_unref(&c->icon);
icon = ewmh_window_icon_from_reply(reply);
c->icon = icon ? image_ref(&icon) : NULL;
/* execute hook */
hooks_property(c, "icon");
}
return 0;
}
/** The button press event handler.
* \param data The type of mouse event.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_button(void *data, xcb_connection_t *connection, xcb_button_press_event_t *ev)
{
int screen;
const int nb_screen = xcb_setup_roots_length(xcb_get_setup(connection));
client_t *c;
wibox_t *wibox;
if(event_handle_mousegrabber(ev->root_x, ev->root_y, 1 << (ev->detail - 1 + 8)))
return 0;
/* ev->state is
* button status (8 bits) + modifiers status (8 bits)
* we don't care for button status that we get, especially on release, so
* drop them */
ev->state &= 0x00ff;
if((wibox = wibox_getbywin(ev->event))
|| (wibox = wibox_getbywin(ev->child)))
{
/* If the wibox is child, then x,y are
* relative to root window */
if(wibox->window == ev->child)
{
ev->event_x -= wibox->geometry.x;
ev->event_y -= wibox->geometry.y;
}
/* Push the wibox */
luaA_object_push(globalconf.L, wibox);
/* Duplicate the wibox */
lua_pushvalue(globalconf.L, -1);
/* Handle the button event on it */
event_button_callback(ev, &wibox->buttons, -1, 1, NULL);
/* then try to match a widget binding */
widget_t *w = widget_getbycoords(wibox->orientation, &wibox->widgets,
wibox->geometry.width,
wibox->geometry.height,
&ev->event_x, &ev->event_y);
if(w)
{
/* Push widget (the wibox is already on stack) */
luaA_object_push_item(globalconf.L, -1, w);
/* Move widget before wibox */
lua_insert(globalconf.L, -2);
event_button_callback(ev, &w->buttons, -2, 2, NULL);
}
else
/* Remove the wibox, we did not use it */
lua_pop(globalconf.L, 1);
}
else if((c = client_getbywin(ev->event)))
{
luaA_object_push(globalconf.L, c);
event_button_callback(ev, &c->buttons, -1, 1, NULL);
xcb_allow_events(globalconf.connection,
XCB_ALLOW_REPLAY_POINTER,
XCB_CURRENT_TIME);
}
else if(ev->child == XCB_NONE)
for(screen = 0; screen < nb_screen; screen++)
if(xutil_screen_get(connection, screen)->root == ev->event)
{
event_button_callback(ev, &globalconf.buttons, 0, 0, NULL);
return 0;
}
return 0;
}
/** The property notify event handler handling xproperties.
* \param ev The event.
*/
static void
property_handle_propertynotify_xproperty(xcb_property_notify_event_t *ev)
{
xproperty_t *prop;
xproperty_t lookup = { .atom = ev->atom };
buffer_t buf;
void *obj;
prop = xproperty_array_lookup(&globalconf.xproperties, &lookup);
if(!prop)
/* Property is not registered */
return;
if (ev->window != globalconf.screen->root)
{
obj = client_getbywin(ev->window);
if(!obj)
obj = drawin_getbywin(ev->window);
if(!obj)
return;
} else
obj = NULL;
/* Get us the name of the property */
buffer_inita(&buf, a_strlen(prop->name) + a_strlen("xproperty::") + 1);
buffer_addf(&buf, "xproperty::%s", prop->name);
/* And emit the right signal */
if (obj)
{
luaA_object_push(globalconf.L, obj);
luaA_object_emit_signal(globalconf.L, -1, buf.s, 0);
lua_pop(globalconf.L, 1);
} else
signal_object_emit(globalconf.L, &global_signals, buf.s, 0);
buffer_wipe(&buf);
}
/** The property notify event handler.
* \param ev The event.
*/
void
property_handle_propertynotify(xcb_property_notify_event_t *ev)
{
int (*handler)(uint8_t state,
xcb_window_t window) = NULL;
globalconf.timestamp = ev->time;
property_handle_propertynotify_xproperty(ev);
/* Find the correct event handler */
#define HANDLE(atom_, cb) \
if (ev->atom == atom_) \
{ \
handler = cb; \
} else
#define END return
/* Xembed stuff */
HANDLE(_XEMBED_INFO, property_handle_xembed_info)
/* ICCCM stuff */
HANDLE(XCB_ATOM_WM_TRANSIENT_FOR, property_handle_wm_transient_for)
HANDLE(WM_CLIENT_LEADER, property_handle_wm_client_leader)
HANDLE(XCB_ATOM_WM_NORMAL_HINTS, property_handle_wm_normal_hints)
HANDLE(XCB_ATOM_WM_HINTS, property_handle_wm_hints)
HANDLE(XCB_ATOM_WM_NAME, property_handle_wm_name)
HANDLE(XCB_ATOM_WM_ICON_NAME, property_handle_wm_icon_name)
HANDLE(XCB_ATOM_WM_CLASS, property_handle_wm_class)
HANDLE(WM_PROTOCOLS, property_handle_wm_protocols)
HANDLE(XCB_ATOM_WM_CLIENT_MACHINE, property_handle_wm_client_machine)
HANDLE(WM_WINDOW_ROLE, property_handle_wm_window_role)
/* EWMH stuff */
HANDLE(_NET_WM_NAME, property_handle_net_wm_name)
HANDLE(_NET_WM_ICON_NAME, property_handle_net_wm_icon_name)
HANDLE(_NET_WM_STRUT_PARTIAL, property_handle_net_wm_strut_partial)
HANDLE(_NET_WM_ICON, property_handle_net_wm_icon)
HANDLE(_NET_WM_PID, property_handle_net_wm_pid)
HANDLE(_NET_WM_WINDOW_OPACITY, property_handle_net_wm_opacity)
/* background change */
HANDLE(_XROOTPMAP_ID, property_handle_xrootpmap_id)
/* If nothing was found, return */
END;
#undef HANDLE
#undef END
(*handler)(ev->state, ev->window);
}
/** The button press event handler.
* \param data The type of mouse event.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_button(void *data, xcb_connection_t *connection, xcb_button_press_event_t *ev)
{
int screen;
const int nb_screen = xcb_setup_roots_length(xcb_get_setup(connection));
client_t *c;
wibox_t *wibox;
/* ev->state is
* button status (8 bits) + modifiers status (8 bits)
* we don't care for button status that we get, especially on release, so
* drop them */
ev->state &= 0x00ff;
event_handle_mousegrabber(ev->root_x, ev->root_y, ev->state);
if((wibox = wibox_getbywin(ev->event))
|| (wibox = wibox_getbywin(ev->child)))
{
/* If the wibox is child, then x,y are
* relative to root window */
if(wibox->sw.window == ev->child)
{
ev->event_x -= wibox->sw.geometry.x;
ev->event_y -= wibox->sw.geometry.y;
}
/* check if we match a binding on the wibox */
button_array_t *b = &wibox->buttons;
for(int i = 0; i < b->len; i++)
if(ev->detail == b->tab[i]->button
&& ev->state == b->tab[i]->mod)
switch(ev->response_type)
{
case XCB_BUTTON_PRESS:
if(b->tab[i]->press != LUA_REFNIL)
{
wibox_push(globalconf.L, wibox);
luaA_dofunction(globalconf.L, b->tab[i]->press, 1, 0);
}
break;
case XCB_BUTTON_RELEASE:
if(b->tab[i]->release != LUA_REFNIL)
{
wibox_push(globalconf.L, wibox);
luaA_dofunction(globalconf.L, b->tab[i]->release, 1, 0);
}
break;
}
/* then try to match a widget binding */
widget_t *w = widget_getbycoords(wibox->position, &wibox->widgets,
wibox->sw.geometry.width,
wibox->sw.geometry.height,
&ev->event_x, &ev->event_y);
if(w)
{
b = &w->buttons;
for(int i = 0; i < b->len; i++)
if(ev->detail == b->tab[i]->button
&& ev->state == b->tab[i]->mod)
switch(ev->response_type)
{
case XCB_BUTTON_PRESS:
if(b->tab[i]->press != LUA_REFNIL)
{
wibox_push(globalconf.L, wibox);
luaA_dofunction(globalconf.L, b->tab[i]->press, 1, 0);
}
break;
case XCB_BUTTON_RELEASE:
if(b->tab[i]->release != LUA_REFNIL)
{
wibox_push(globalconf.L, wibox);
luaA_dofunction(globalconf.L, b->tab[i]->release, 1, 0);
}
break;
}
}
/* return even if no widget match */
return 0;
}
else if((c = client_getbywin(ev->event)))
{
event_handle_mouse_button(c, ev->response_type, ev->detail, ev->state, &c->buttons);
xcb_allow_events(globalconf.connection,
XCB_ALLOW_REPLAY_POINTER,
XCB_CURRENT_TIME);
}
else if(ev->child == XCB_NONE)
{
for(screen = 0; screen < nb_screen; screen++)
if(xutil_screen_get(connection, screen)->root == ev->event)
{
event_handle_mouse_button(NULL, ev->response_type, ev->detail, ev->state, &globalconf.buttons);
return 0;
}
}
return 0;
}
/** The configure event handler.
* \param ev The event.
*/
static void
event_handle_configurerequest(xcb_configure_request_event_t *ev)
{
client_t *c;
if((c = client_getbywin(ev->window)))
{
area_t geometry = c->geometry;
uint16_t bw = c->border_width;
uint16_t tb_left = c->titlebar[CLIENT_TITLEBAR_LEFT].size;
uint16_t tb_right = c->titlebar[CLIENT_TITLEBAR_RIGHT].size;
uint16_t tb_top = c->titlebar[CLIENT_TITLEBAR_TOP].size;
uint16_t tb_bottom = c->titlebar[CLIENT_TITLEBAR_BOTTOM].size;
uint16_t deco_left = bw + tb_left;
uint16_t deco_right = bw + tb_right;
uint16_t deco_top = bw + tb_top;
uint16_t deco_bottom = bw + tb_bottom;
int16_t diff_w = 0, diff_h = 0, diff_border = 0;
lua_State *L = globalconf_get_lua_State();
if(ev->value_mask & XCB_CONFIG_WINDOW_X)
{
int16_t diff = 0;
geometry.x = ev->x;
xwindow_translate_for_gravity(c->size_hints.win_gravity, deco_left, 0, deco_right, 0, &diff, NULL);
geometry.x += diff;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_Y)
{
int16_t diff = 0;
geometry.y = ev->y;
xwindow_translate_for_gravity(c->size_hints.win_gravity, 0, deco_top, 0, deco_bottom, NULL, &diff);
geometry.y += diff;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_WIDTH)
{
uint16_t old_w = geometry.width;
geometry.width = ev->width;
/* The ConfigureRequest specifies the size of the client window, we want the frame */
geometry.width += tb_left + tb_right;
diff_w = geometry.width - old_w;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
{
uint16_t old_h = geometry.height;
geometry.height = ev->height;
/* The ConfigureRequest specifies the size of the client window, we want the frame */
geometry.height += tb_top + tb_bottom;
diff_h = geometry.height - old_h;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
{
diff_border = ev->border_width - bw;
diff_h += diff_border;
diff_w += diff_border;
luaA_object_push(L, c);
window_set_border_width(L, -1, ev->border_width);
lua_pop(L, 1);
}
/* If the client resizes without moving itself, apply window gravity */
if(c->size_hints.flags & XCB_ICCCM_SIZE_HINT_P_WIN_GRAVITY)
{
int16_t diff_x = 0, diff_y = 0;
xwindow_translate_for_gravity(c->size_hints.win_gravity, diff_border, diff_border, diff_w, diff_h, &diff_x, &diff_y);
if(!(ev->value_mask & XCB_CONFIG_WINDOW_X))
geometry.x += diff_x;
if(!(ev->value_mask & XCB_CONFIG_WINDOW_Y))
geometry.y += diff_y;
}
c->got_configure_request = true;
/* Request the changes to be applied */
luaA_object_push(L, c);
lua_pushstring(L, "ewmh"); /* context */
lua_newtable(L); /* props */
/* area, it needs to be directly in the `hints` table to comply with
the "protocol"
*/
lua_pushstring(L, "x");
lua_pushinteger(L, geometry.x);
lua_rawset(L, -3);
lua_pushstring(L, "y");
lua_pushinteger(L, geometry.y);
lua_rawset(L, -3);
lua_pushstring(L, "width");
lua_pushinteger(L, geometry.width);
lua_rawset(L, -3);
lua_pushstring(L, "height");
lua_pushinteger(L, geometry.height);
lua_rawset(L, -3);
luaA_object_emit_signal(L, -3, "request::geometry", 2);
lua_pop(L, 1);
}
else if (xembed_getbywin(&globalconf.embedded, ev->window))
{
/* Ignore this so that systray icons cannot resize themselves.
* We decide their size!
* However, Xembed says that we act like a WM to the embedded window and
* thus we have to send a synthetic configure notify informing the
* window that its configure request was denied.
*/
xcb_get_geometry_cookie_t geom_cookie =
xcb_get_geometry_unchecked(globalconf.connection, ev->window);
xcb_translate_coordinates_cookie_t coords_cookie =
xcb_translate_coordinates_unchecked(globalconf.connection,
ev->window, globalconf.screen->root, 0, 0);
xcb_get_geometry_reply_t *geom =
xcb_get_geometry_reply(globalconf.connection, geom_cookie, NULL);
xcb_translate_coordinates_reply_t *coords =
xcb_translate_coordinates_reply(globalconf.connection, coords_cookie, NULL);
if (geom && coords)
{
xwindow_configure(ev->window,
(area_t) { .x = coords->dst_x,
.y = coords->dst_y,
.width = geom->width,
.height = geom->height },
0);
/** The button press event handler.
* \param ev The event.
*/
static void
event_handle_button(xcb_button_press_event_t *ev)
{
lua_State *L = globalconf_get_lua_State();
client_t *c;
drawin_t *drawin;
globalconf.timestamp = ev->time;
{
/* ev->state contains the state before the event. Compute the state
* after the event for the mousegrabber.
*/
uint16_t state = ev->state, change = 1 << (ev->detail - 1 + 8);
if (XCB_EVENT_RESPONSE_TYPE(ev) == XCB_BUTTON_PRESS)
state |= change;
else
state &= ~change;
if(event_handle_mousegrabber(ev->root_x, ev->root_y, state))
return;
}
/* ev->state is
* button status (8 bits) + modifiers status (8 bits)
* we don't care for button status that we get, especially on release, so
* drop them */
ev->state &= 0x00ff;
if((drawin = drawin_getbywin(ev->event))
|| (drawin = drawin_getbywin(ev->child)))
{
/* If the drawin is child, then x,y are
* relative to root window */
if(drawin->window == ev->child)
{
ev->event_x -= drawin->geometry.x + drawin->border_width;
ev->event_y -= drawin->geometry.y + drawin->border_width;
}
/* Push the drawable */
luaA_object_push(L, drawin);
luaA_object_push_item(L, -1, drawin->drawable);
/* and handle the button raw button event */
event_emit_button(L, ev);
lua_pop(L, 1);
/* check if any button object matches */
event_button_callback(ev, &drawin->buttons, L, -1, 1, NULL);
/* Either we are receiving this due to ButtonPress/Release on the root
* window or because we grabbed the button on the window. In the later
* case we have to call AllowEvents.
* Use AsyncPointer instead of ReplayPointer so that the event is
* "eaten" instead of being handled again on the root window.
*/
if(ev->child == XCB_NONE)
xcb_allow_events(globalconf.connection,
XCB_ALLOW_ASYNC_POINTER,
ev->time);
}
else if((c = client_getbyframewin(ev->event)) || (c = client_getbywin(ev->event)))
{
/* For clicks inside of c->window, we get two events. Once because of a
* passive grab on c->window and then again for c->frame_window.
* Ignore the second event (identifiable by ev->child != XCB_NONE).
*/
if (ev->event != c->frame_window || ev->child == XCB_NONE)
{
luaA_object_push(L, c);
if (c->window == ev->event)
{
/* Button event into the client itself (not titlebar), translate
* into the frame window.
*/
ev->event_x += c->titlebar[CLIENT_TITLEBAR_LEFT].size;
ev->event_y += c->titlebar[CLIENT_TITLEBAR_TOP].size;
}
/* And handle the button raw button event */
event_emit_button(L, ev);
/* then check if a titlebar was "hit" */
if (c->frame_window == ev->event)
{
int x = ev->event_x, y = ev->event_y;
drawable_t *d = client_get_drawable_offset(c, &x, &y);
if (d)
{
/* Copy the event so that we can fake x/y */
xcb_button_press_event_t event = *ev;
event.event_x = x;
event.event_y = y;
luaA_object_push_item(L, -1, d);
event_emit_button(L, &event);
lua_pop(L, 1);
}
}
/* then check if any button objects match */
event_button_callback(ev, &c->buttons, L, -1, 1, NULL);
}
xcb_allow_events(globalconf.connection,
XCB_ALLOW_REPLAY_POINTER,
ev->time);
}
else if(ev->child == XCB_NONE)
if(globalconf.screen->root == ev->event)
{
event_button_callback(ev, &globalconf.buttons, L, 0, 0, NULL);
return;
}
}
/** The configure event handler.
* \param ev The event.
*/
static void
event_handle_configurerequest(xcb_configure_request_event_t *ev)
{
client_t *c;
if((c = client_getbywin(ev->window)))
{
area_t geometry = c->geometry;
uint16_t bw = c->border_width;
uint16_t tb_left = c->titlebar[CLIENT_TITLEBAR_LEFT].size;
uint16_t tb_right = c->titlebar[CLIENT_TITLEBAR_RIGHT].size;
uint16_t tb_top = c->titlebar[CLIENT_TITLEBAR_TOP].size;
uint16_t tb_bottom = c->titlebar[CLIENT_TITLEBAR_BOTTOM].size;
uint16_t deco_left = bw + tb_left;
uint16_t deco_right = bw + tb_right;
uint16_t deco_top = bw + tb_top;
uint16_t deco_bottom = bw + tb_bottom;
int16_t diff_w = 0, diff_h = 0, diff_border = 0;
if(ev->value_mask & XCB_CONFIG_WINDOW_X)
{
int16_t diff = 0;
geometry.x = ev->x;
xwindow_translate_for_gravity(c->size_hints.win_gravity, deco_left, 0, deco_right, 0, &diff, NULL);
geometry.x += diff;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_Y)
{
int16_t diff = 0;
geometry.y = ev->y;
xwindow_translate_for_gravity(c->size_hints.win_gravity, 0, deco_top, 0, deco_bottom, NULL, &diff);
geometry.y += diff;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_WIDTH)
{
uint16_t old_w = geometry.width;
geometry.width = ev->width;
/* The ConfigureRequest specifies the size of the client window, we want the frame */
geometry.width += tb_left + tb_right;
diff_w = geometry.width - old_w;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
{
uint16_t old_h = geometry.height;
geometry.height = ev->height;
/* The ConfigureRequest specifies the size of the client window, we want the frame */
geometry.height += tb_top + tb_bottom;
diff_h = geometry.height - old_h;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
{
lua_State *L = globalconf_get_lua_State();
diff_border = ev->border_width - bw;
diff_h += diff_border;
diff_w += diff_border;
luaA_object_push(L, c);
window_set_border_width(L, -1, ev->border_width);
lua_pop(L, 1);
}
/* If the client resizes without moving itself, apply window gravity */
if(c->size_hints.flags & XCB_ICCCM_SIZE_HINT_P_WIN_GRAVITY)
{
int16_t diff_x = 0, diff_y = 0;
xwindow_translate_for_gravity(c->size_hints.win_gravity, diff_border, diff_border, diff_w, diff_h, &diff_x, &diff_y);
if(!(ev->value_mask & XCB_CONFIG_WINDOW_X))
geometry.x += diff_x;
if(!(ev->value_mask & XCB_CONFIG_WINDOW_Y))
geometry.y += diff_y;
}
if(!client_resize(c, geometry, false))
/* ICCCM 4.1.5 / 4.2.3, if nothing was changed, send an event saying so */
client_send_configure(c);
}
else if (xembed_getbywin(&globalconf.embedded, ev->window))
{
/* Ignore this so that systray icons cannot resize themselves.
* We decide their size!
*/
}
else
event_handle_configurerequest_configure_window(ev);
}
