awesomewm-mirrors
/
awesome
mirror of https://github.com/awesomeWM/awesome.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
awesome/event.c

743 lines
25 KiB
C
Raw Blame History

/*
* event.c - event handlers
*
* 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.h>
#include <xcb/randr.h>
#include <xcb/xcb_atom.h>
#include <xcb/xcb_icccm.h>
#include <xcb/xcb_event.h>
#include "awesome.h"
#include "event.h"
#include "tag.h"
#include "window.h"
#include "ewmh.h"
#include "client.h"
#include "widget.h"
#include "titlebar.h"
#include "keybinding.h"
#include "keygrabber.h"
#include "luaa.h"
#include "systray.h"
#include "screen.h"
#include "layouts/floating.h"
#include "common/atoms.h"
extern awesome_t globalconf;
/** Handle mouse button events.
* \param c The client on which the event happened or NULL.
* \param type Event type, press or release.
* \param button Button number.
* \param state Modkeys state.
* \param buttons Buttons array to check for.
*/
static void
event_handle_mouse_button(client_t *c,
uint8_t type,
xcb_button_t button,
uint16_t state,
button_array_t *buttons)
{
for(int i = 0; i < buttons->len; i++)
if(button == buttons->tab[i]->button
&& XUTIL_MASK_CLEAN(state) == buttons->tab[i]->mod)
{
if(c)
{
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(globalconf.L,
type == XCB_BUTTON_PRESS ?
buttons->tab[i]->press : buttons->tab[i]->release,
1, 0);
}
else
luaA_dofunction(globalconf.L,
type == XCB_BUTTON_PRESS ?
buttons->tab[i]->press : buttons->tab[i]->release,
0, 0);
}
}
/** Get a widget node from a wibox by coords.
* \param Container position.
* \param widgets The widget list.
* \param width The container width.
* \param height The container height.
* \param x X coordinate of the widget.
* \param y Y coordinate of the widget.
* \return A widget node.
*/
static widget_node_t *
widget_getbycoords(position_t position, widget_node_t *widgets, int width, int height, int16_t *x, int16_t *y)
{
int tmp;
widget_node_t *w;
/* Need to transform coordinates like it was top/bottom */
switch(position)
{
case Right:
tmp = *y;
*y = width - *x;
*x = tmp;
break;
case Left:
tmp = *y;
*y = *x;
*x = height - tmp;
break;
default:
break;
}
for(w = widgets; w; w = w->next)
if(*x >= w->area.x && *x < w->area.x + w->area.width
&& *y >= w->area.y && *y < w->area.y + w->area.height)
return w;
return NULL;
}
/** 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;
widget_node_t *w;
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;
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;
}
if((w = widget_getbycoords(wibox->position, wibox->widgets,
wibox->sw.geometry.width,
wibox->sw.geometry.height,
&ev->event_x, &ev->event_y)))
w->widget->button(w, ev, wibox->screen, wibox);
/* return even if no widget match */
return 0;
}
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
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 data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_configurerequest(void *data __attribute__ ((unused)),
xcb_connection_t *connection, xcb_configure_request_event_t *ev)
{
client_t *c;
area_t geometry;
if((c = client_getbywin(ev->window)))
{
geometry = c->geometry;
if(ev->value_mask & XCB_CONFIG_WINDOW_X)
geometry.x = ev->x;
if(ev->value_mask & XCB_CONFIG_WINDOW_Y)
geometry.y = ev->y;
if(ev->value_mask & XCB_CONFIG_WINDOW_WIDTH)
geometry.width = ev->width;
if(ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
geometry.height = ev->height;
if(geometry.x != c->geometry.x || geometry.y != c->geometry.y
|| geometry.width != c->geometry.width || geometry.height != c->geometry.height)
{
if(client_isfloating(c) || layout_get_current(c->screen) == layout_floating)
{
client_resize(c, geometry, false);
if(client_hasstrut(c))
/* All the wiboxes (may) need to be repositioned */
for(int screen = 0; screen < globalconf.nscreen; screen++)
for(int i = 0; i < globalconf.screens[screen].wiboxes.len; i++)
{
wibox_t *s = globalconf.screens[screen].wiboxes.tab[i];
wibox_position_update(s);
}
}
else
{
client_need_arrange(c);
/* If we do not resize the client, at least tell it that it
* has its new configuration. That fixes at least
* gnome-terminal */
window_configure(c->win, c->geometry, c->border);
}
}
else
window_configure(c->win, geometry, c->border);
}
else
{
uint16_t config_win_mask = 0;
uint32_t config_win_vals[7];
unsigned short i = 0;
if(ev->value_mask & XCB_CONFIG_WINDOW_X)
{
config_win_mask |= XCB_CONFIG_WINDOW_X;
config_win_vals[i++] = ev->x;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_Y)
{
config_win_mask |= XCB_CONFIG_WINDOW_Y;
config_win_vals[i++] = ev->y;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_WIDTH)
{
config_win_mask |= XCB_CONFIG_WINDOW_WIDTH;
config_win_vals[i++] = ev->width;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_HEIGHT)
{
config_win_mask |= XCB_CONFIG_WINDOW_HEIGHT;
config_win_vals[i++] = ev->height;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH)
{
config_win_mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
config_win_vals[i++] = ev->border_width;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_SIBLING)
{
config_win_mask |= XCB_CONFIG_WINDOW_SIBLING;
config_win_vals[i++] = ev->sibling;
}
if(ev->value_mask & XCB_CONFIG_WINDOW_STACK_MODE)
{
config_win_mask |= XCB_CONFIG_WINDOW_STACK_MODE;
config_win_vals[i++] = ev->stack_mode;
}
xcb_configure_window(connection, ev->window, config_win_mask, config_win_vals);
}
return 0;
}
/** The configure notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_configurenotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection, xcb_configure_notify_event_t *ev)
{
int screen_nbr;
const xcb_screen_t *screen;
for(screen_nbr = 0; screen_nbr < xcb_setup_roots_length(xcb_get_setup (connection)); screen_nbr++)
if((screen = xutil_screen_get(connection, screen_nbr)) != NULL
&& ev->window == screen->root
&& (ev->width != screen->width_in_pixels
|| ev->height != screen->height_in_pixels))
/* it's not that we panic, but restart */
awesome_restart();
return 0;
}
/** The destroy notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_destroynotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection __attribute__ ((unused)),
xcb_destroy_notify_event_t *ev)
{
client_t *c;
xembed_window_t *emwin;
int i;
if((c = client_getbywin(ev->window)))
client_unmanage(c);
else if((emwin = xembed_getbywin(globalconf.embedded, ev->event)))
{
xembed_window_list_detach(&globalconf.embedded, emwin);
for(i = 0; i < globalconf.nscreen; i++)
widget_invalidate_cache(i, WIDGET_CACHE_EMBEDDED);
}
return 0;
}
/** Handle a motion notify over widgets.
* \param object The object.
* \param mouse_over The pointer to the registered mouse over widget.
* \param w The new widget the mouse is over.
*/
static void
event_handle_widget_motionnotify(void *object,
widget_node_t **mouse_over,
widget_node_t *w)
{
if(w != *mouse_over)
{
if(*mouse_over)
{
/* call mouse leave function on old widget */
luaA_wibox_userdata_new(globalconf.L, object);
luaA_dofunction(globalconf.L, (*mouse_over)->widget->mouse_leave, 1, 0);
}
if(w)
{
/* call mouse enter function on new widget and register it */
*mouse_over = w;
luaA_wibox_userdata_new(globalconf.L, object);
luaA_dofunction(globalconf.L, w->widget->mouse_enter, 1, 0);
}
}
}
/** The motion notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_motionnotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection,
xcb_motion_notify_event_t *ev)
{
wibox_t *wibox = wibox_getbywin(ev->event);
widget_node_t *w;
if(wibox)
{
w = widget_getbycoords(wibox->position, wibox->widgets,
wibox->sw.geometry.width,
wibox->sw.geometry.height,
&ev->event_x, &ev->event_y);
event_handle_widget_motionnotify(wibox, &wibox->mouse_over, w);
}
return 0;
}
/** The leave notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_leavenotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection,
xcb_leave_notify_event_t *ev)
{
wibox_t *wibox = wibox_getbywin(ev->event);
if(wibox && wibox->mouse_over)
{
/* call mouse leave function on widget the mouse was over */
luaA_wibox_userdata_new(globalconf.L, wibox);
luaA_dofunction(globalconf.L, wibox->mouse_over->widget->mouse_leave, 1, 0);
}
return 0;
}
/** The enter notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_enternotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection,
xcb_enter_notify_event_t *ev)
{
client_t *c;
xembed_window_t *emwin;
if(ev->mode != XCB_NOTIFY_MODE_NORMAL
|| (ev->root_x == globalconf.pointer_x
&& ev->root_y == globalconf.pointer_y))
return 0;
if((c = client_getbytitlebarwin(ev->event))
|| (c = client_getbywin(ev->event)))
{
window_buttons_grab(c->win, ev->root, &c->buttons);
/* The idea behind saving pointer_x and pointer_y is Bob Marley powered.
* this will allow us top drop some EnterNotify events and thus not giving
* focus to windows appering under the cursor without a cursor move */
globalconf.pointer_x = ev->root_x;
globalconf.pointer_y = ev->root_y;
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(globalconf.L, globalconf.hooks.mouse_enter, 1, 0);
}
else if((emwin = xembed_getbywin(globalconf.embedded, ev->event)))
xcb_ungrab_button(globalconf.connection, XCB_BUTTON_INDEX_ANY,
xutil_screen_get(connection, emwin->phys_screen)->root,
XCB_BUTTON_MASK_ANY);
else if(ev->event == ev->root)
window_root_buttons_grab(ev->root);
return 0;
}
/** The expose event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_expose(void *data __attribute__ ((unused)),
xcb_connection_t *connection __attribute__ ((unused)),
xcb_expose_event_t *ev)
{
wibox_t *wibox = wibox_getbywin(ev->window);
if(wibox)
simplewindow_refresh_pixmap_partial(&wibox->sw,
ev->x, ev->y,
ev->width, ev->height);
return 0;
}
/** The key press event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_keypress(void *data __attribute__ ((unused)),
xcb_connection_t *connection __attribute__ ((unused)),
xcb_key_press_event_t *ev)
{
if(globalconf.keygrabber != LUA_REFNIL)
{
lua_rawgeti(globalconf.L, LUA_REGISTRYINDEX, globalconf.keygrabber);
if(keygrabber_handlekpress(globalconf.L, ev))
{
if(lua_pcall(globalconf.L, 2, 1, 0))
{
warn("error running function: %s", lua_tostring(globalconf.L, -1));
keygrabber_ungrab();
}
else if(!lua_isboolean(globalconf.L, -1) || !lua_toboolean(globalconf.L, -1))
keygrabber_ungrab();
}
lua_pop(globalconf.L, 1); /* pop returned value or function if not called */
}
else
{
keybinding_t *k = keybinding_find(ev);
if (k && k->fct != LUA_REFNIL)
luaA_dofunction(globalconf.L, k->fct, 0, 0);
}
return 0;
}
/** The map request event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_maprequest(void *data __attribute__ ((unused)),
xcb_connection_t *connection, xcb_map_request_event_t *ev)
{
int phys_screen, screen = 0, ret = 0;
client_t *c;
xcb_get_window_attributes_cookie_t wa_c;
xcb_get_window_attributes_reply_t *wa_r;
xcb_query_pointer_cookie_t qp_c = { 0 };
xcb_query_pointer_reply_t *qp_r = NULL;
xcb_get_geometry_cookie_t geom_c;
xcb_get_geometry_reply_t *geom_r;
xcb_screen_iterator_t iter;
wa_c = xcb_get_window_attributes_unchecked(connection, ev->window);
if(!(wa_r = xcb_get_window_attributes_reply(connection, wa_c, NULL)))
return -1;
if(wa_r->override_redirect)
goto bailout;
if(xembed_getbywin(globalconf.embedded, ev->window))
{
xcb_map_window(connection, ev->window);
xembed_window_activate(connection, ev->window);
}
else if((c = client_getbywin(ev->window)))
{
/* Check that it may be visible, but not asked to be hidden */
if(client_maybevisible(c, c->screen) && !c->ishidden)
{
client_setminimized(c, false);
/* it will be raised, so just update ourself */
client_raise(c);
}
}
else
{
geom_c = xcb_get_geometry_unchecked(connection, ev->window);
if(globalconf.xinerama_is_active)
qp_c = xcb_query_pointer_unchecked(connection,
xutil_screen_get(globalconf.connection,
globalconf.default_screen)->root);
if(!(geom_r = xcb_get_geometry_reply(connection, geom_c, NULL)))
{
if(globalconf.xinerama_is_active)
qp_r = xcb_query_pointer_reply(connection, qp_c, NULL);
ret = -1;
goto bailout;
}
for(iter = xcb_setup_roots_iterator(xcb_get_setup(connection)), phys_screen = 0;
iter.rem && iter.data->root != geom_r->root; xcb_screen_next(&iter), ++phys_screen);
if(globalconf.xinerama_is_active
&& (qp_r = xcb_query_pointer_reply(connection, qp_c, NULL)))
screen = screen_getbycoord(screen, qp_r->root_x, qp_r->root_y);
else
screen = phys_screen;
client_manage(ev->window, geom_r, phys_screen, screen);
p_delete(&geom_r);
}
bailout:
p_delete(&qp_r);
p_delete(&wa_r);
return ret;
}
/** The unmap notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_unmapnotify(void *data __attribute__ ((unused)),
xcb_connection_t *connection, xcb_unmap_notify_event_t *ev)
{
client_t *c;
xembed_window_t *em;
int i;
if((c = client_getbywin(ev->window)))
{
if(ev->event == xutil_screen_get(connection, c->phys_screen)->root
&& XCB_EVENT_SENT(ev)
&& window_state_get_reply(window_state_get_unchecked(c->win)) == XCB_WM_STATE_NORMAL)
client_unmanage(c);
}
else if((em = xembed_getbywin(globalconf.embedded, ev->window)))
{
xembed_window_list_detach(&globalconf.embedded, em);
for(i = 0; i < globalconf.nscreen; i++)
widget_invalidate_cache(i, WIDGET_CACHE_EMBEDDED);
}
return 0;
}
/** The randr screen change notify event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_randr_screen_change_notify(void *data __attribute__ ((unused)),
xcb_connection_t *connection __attribute__ ((unused)),
xcb_randr_screen_change_notify_event_t *ev)
{
if(!globalconf.have_randr)
return -1;
/* Code of XRRUpdateConfiguration Xlib function ported to XCB
* (only the code relevant to RRScreenChangeNotify) as the latter
* doesn't provide this kind of function */
if(ev->rotation & (XCB_RANDR_ROTATION_ROTATE_90 | XCB_RANDR_ROTATION_ROTATE_270))
xcb_randr_set_screen_size(connection, ev->root, ev->height, ev->width,
ev->mheight, ev->mwidth);
else
xcb_randr_set_screen_size(connection, ev->root, ev->width, ev->height,
ev->mwidth, ev->mheight);
/* XRRUpdateConfiguration also executes the following instruction
* but it's not useful because SubpixelOrder is not used at all at
* the moment
*
* XRenderSetSubpixelOrder(dpy, snum, scevent->subpixel_order);
*/
awesome_restart();
return 0;
}
/** The client message event handler.
* \param data currently unused.
* \param connection The connection to the X server.
* \param ev The event.
*/
static int
event_handle_clientmessage(void *data __attribute__ ((unused)),
xcb_connection_t *connection,
xcb_client_message_event_t *ev)
{
client_t *c;
if(ev->type == WM_CHANGE_STATE)
{
if((c = client_getbywin(ev->window))
&& ev->format == 32
&& ev->data.data32[0] == XCB_WM_STATE_ICONIC)
client_setminimized(c, true);
}
else if(ev->type == _XEMBED)
return xembed_process_client_message(ev);
else if(ev->type == _NET_SYSTEM_TRAY_OPCODE)
return systray_process_client_message(ev);
return ewmh_process_client_message(ev);
}
/** The keymap change notify event handler.
* \param data Unused data.
* \param connection The connection to the X server.
* \param ev The event.
* \return Status code, 0 if everything's fine.
*/
static int
event_handle_mappingnotify(void *data,
xcb_connection_t *connection,
xcb_mapping_notify_event_t *ev)
{
xcb_get_modifier_mapping_cookie_t xmapping_cookie;
if(ev->request == XCB_MAPPING_MODIFIER
|| ev->request == XCB_MAPPING_KEYBOARD)
{
/* Send the request to get the NumLock, ShiftLock and CapsLock masks */
xmapping_cookie = xcb_get_modifier_mapping_unchecked(globalconf.connection);
/* Free and then allocate the key symbols */
xcb_key_symbols_free(globalconf.keysyms);
globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection);
/* Process the reply of previously sent mapping request */
xutil_lock_mask_get(globalconf.connection, xmapping_cookie,
globalconf.keysyms, &globalconf.numlockmask,
&globalconf.shiftlockmask, &globalconf.capslockmask);
}
return 0;
}
static int
event_handle_reparentnotify(void *data,
xcb_connection_t *connection,
xcb_reparent_notify_event_t *ev)
{
client_t *c;
if((c = client_getbywin(ev->window)))
client_unmanage(c);
return 0;
}
void a_xcb_set_event_handlers(void)
{
const xcb_query_extension_reply_t *randr_query;
xcb_event_set_button_press_handler(&globalconf.evenths, event_handle_button, NULL);
xcb_event_set_button_release_handler(&globalconf.evenths, event_handle_button, NULL);
xcb_event_set_configure_request_handler(&globalconf.evenths, event_handle_configurerequest, NULL);
xcb_event_set_configure_notify_handler(&globalconf.evenths, event_handle_configurenotify, NULL);
xcb_event_set_destroy_notify_handler(&globalconf.evenths, event_handle_destroynotify, NULL);
xcb_event_set_enter_notify_handler(&globalconf.evenths, event_handle_enternotify, NULL);
xcb_event_set_leave_notify_handler(&globalconf.evenths, event_handle_leavenotify, NULL);
xcb_event_set_motion_notify_handler(&globalconf.evenths, event_handle_motionnotify, NULL);
xcb_event_set_expose_handler(&globalconf.evenths, event_handle_expose, NULL);
xcb_event_set_key_press_handler(&globalconf.evenths, event_handle_keypress, NULL);
xcb_event_set_map_request_handler(&globalconf.evenths, event_handle_maprequest, NULL);
xcb_event_set_unmap_notify_handler(&globalconf.evenths, event_handle_unmapnotify, NULL);
xcb_event_set_client_message_handler(&globalconf.evenths, event_handle_clientmessage, NULL);
xcb_event_set_mapping_notify_handler(&globalconf.evenths, event_handle_mappingnotify, NULL);
xcb_event_set_reparent_notify_handler(&globalconf.evenths, event_handle_reparentnotify, NULL);
/* check for randr extension */
randr_query = xcb_get_extension_data(globalconf.connection, &xcb_randr_id);
if((globalconf.have_randr = randr_query->present))
xcb_event_set_handler(&globalconf.evenths,
randr_query->first_event + XCB_RANDR_SCREEN_CHANGE_NOTIFY,
(xcb_generic_event_handler_t) event_handle_randr_screen_change_notify,
NULL);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
Reference in New Issue View Git Blame Copy Permalink