bspwm/events.c
2013-09-19 15:02:49 +02:00

606 lines
22 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <xcb/xcb.h>
#include <xcb/randr.h>
#include <xcb/xcb_event.h>
#include <xcb/xcb_icccm.h>
#include "types.h"
#include "monitor.h"
#include "bspwm.h"
#include "settings.h"
#include "helpers.h"
#include "window.h"
#include "events.h"
#include "tree.h"
#include "query.h"
#include "rules.h"
#include "ewmh.h"
void handle_event(xcb_generic_event_t *evt)
{
uint8_t resp_type = XCB_EVENT_RESPONSE_TYPE(evt);
switch (resp_type) {
case XCB_MAP_REQUEST:
map_request(evt);
break;
case XCB_DESTROY_NOTIFY:
destroy_notify(evt);
break;
case XCB_UNMAP_NOTIFY:
unmap_notify(evt);
break;
case XCB_CLIENT_MESSAGE:
client_message(evt);
break;
case XCB_CONFIGURE_REQUEST:
configure_request(evt);
break;
case XCB_PROPERTY_NOTIFY:
property_notify(evt);
break;
case XCB_ENTER_NOTIFY:
enter_notify(evt);
break;
case XCB_MOTION_NOTIFY:
motion_notify(evt);
break;
case XCB_FOCUS_IN:
focus_in(evt);
break;
default:
if (randr && resp_type == randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY)
import_monitors();
break;
}
}
void map_request(xcb_generic_event_t *evt)
{
xcb_map_request_event_t *e = (xcb_map_request_event_t *) evt;
PRINTF("map request %X\n", e->window);
manage_window(mon, mon->desk, e->window);
}
void configure_request(xcb_generic_event_t *evt)
{
xcb_configure_request_event_t *e = (xcb_configure_request_event_t *) evt;
PRINTF("configure request %X\n", e->window);
coordinates_t loc;
bool is_managed = locate_window(e->window, &loc);
if (!is_managed || is_floating(loc.node->client)) {
uint16_t mask = 0;
uint32_t values[7];
unsigned short i = 0;
if (e->value_mask & XCB_CONFIG_WINDOW_X) {
mask |= XCB_CONFIG_WINDOW_X;
values[i++] = e->x;
if (is_managed)
loc.node->client->floating_rectangle.x = e->x;
}
if (e->value_mask & XCB_CONFIG_WINDOW_Y) {
mask |= XCB_CONFIG_WINDOW_Y;
values[i++] = e->y;
if (is_managed)
loc.node->client->floating_rectangle.y = e->y;
}
if (e->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
mask |= XCB_CONFIG_WINDOW_WIDTH;
values[i++] = e->width;
if (is_managed)
loc.node->client->floating_rectangle.width = e->width;
}
if (e->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
mask |= XCB_CONFIG_WINDOW_HEIGHT;
values[i++] = e->height;
if (is_managed)
loc.node->client->floating_rectangle.height = e->height;
}
if (!is_managed && e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) {
mask |= XCB_CONFIG_WINDOW_BORDER_WIDTH;
values[i++] = e->border_width;
}
if (e->value_mask & XCB_CONFIG_WINDOW_SIBLING) {
mask |= XCB_CONFIG_WINDOW_SIBLING;
values[i++] = e->sibling;
}
if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
mask |= XCB_CONFIG_WINDOW_STACK_MODE;
values[i++] = e->stack_mode;
}
xcb_configure_window(dpy, e->window, mask, values);
if (is_managed)
window_draw_border(loc.node, loc.node == loc.desktop->focus, loc.monitor == mon);
} else {
xcb_configure_notify_event_t evt;
xcb_rectangle_t rect;
unsigned int bw;
xcb_window_t win = loc.node->client->window;
if (is_tiled(loc.node->client)) {
rect = loc.node->client->tiled_rectangle;
bw = border_width;
} else {
rect = loc.monitor->rectangle;
bw = 0;
}
evt.response_type = XCB_CONFIGURE_NOTIFY;
evt.event = win;
evt.window = win;
evt.above_sibling = XCB_NONE;
evt.x = rect.x;
evt.y = rect.y;
evt.width = rect.width;
evt.height = rect.height;
evt.border_width = bw;
evt.override_redirect = false;
xcb_send_event(dpy, false, win, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (const char *) &evt);
}
}
void destroy_notify(xcb_generic_event_t *evt)
{
xcb_destroy_notify_event_t *e = (xcb_destroy_notify_event_t *) evt;
PRINTF("destroy notify %X\n", e->window);
coordinates_t loc;
if (locate_window(e->window, &loc)) {
remove_node(loc.desktop, loc.node);
arrange(loc.monitor, loc.desktop);
}
}
void unmap_notify(xcb_generic_event_t *evt)
{
xcb_unmap_notify_event_t *e = (xcb_unmap_notify_event_t *) evt;
PRINTF("unmap notify %X\n", e->window);
coordinates_t loc;
if (locate_window(e->window, &loc)) {
remove_node(loc.desktop, loc.node);
arrange(loc.monitor, loc.desktop);
}
}
void property_notify(xcb_generic_event_t *evt)
{
xcb_property_notify_event_t *e = (xcb_property_notify_event_t *) evt;
xcb_icccm_wm_hints_t hints;
/* PRINTF("property notify %X\n", e->window); */
if (e->atom != XCB_ATOM_WM_HINTS)
return;
coordinates_t loc;
if (locate_window(e->window, &loc)
&& xcb_icccm_get_wm_hints_reply(dpy, xcb_icccm_get_wm_hints(dpy, e->window), &hints, NULL) == 1)
set_urgency(loc.monitor, loc.desktop, loc.node, xcb_icccm_wm_hints_get_urgency(&hints));
}
void client_message(xcb_generic_event_t *evt)
{
xcb_client_message_event_t *e = (xcb_client_message_event_t *) evt;
PRINTF("client message %X %u\n", e->window, e->type);
if (e->type == ewmh->_NET_CURRENT_DESKTOP) {
coordinates_t loc;
if (ewmh_locate_desktop(e->data.data32[0], &loc))
focus_node(loc.monitor, loc.desktop, loc.desktop->focus);
return;
}
coordinates_t loc;
if (!locate_window(e->window, &loc))
return;
if (e->type == ewmh->_NET_WM_STATE) {
handle_state(loc.monitor, loc.desktop, loc.node, e->data.data32[1], e->data.data32[0]);
handle_state(loc.monitor, loc.desktop, loc.node, e->data.data32[2], e->data.data32[0]);
} else if (e->type == ewmh->_NET_ACTIVE_WINDOW) {
if (loc.node == mon->desk->focus)
return;
if (loc.desktop->focus->client->fullscreen && loc.desktop->focus != loc.node) {
set_fullscreen(loc.desktop, loc.desktop->focus, false);
arrange(loc.monitor, loc.desktop);
}
focus_node(loc.monitor, loc.desktop, loc.node);
} else if (e->type == ewmh->_NET_WM_DESKTOP) {
coordinates_t dloc;
if (ewmh_locate_desktop(e->data.data32[0], &dloc))
transfer_node(loc.monitor, loc.desktop, dloc.monitor, dloc.desktop, loc.node);
}
}
void focus_in(xcb_generic_event_t *evt)
{
xcb_focus_in_event_t *e = (xcb_focus_in_event_t *) evt;
/* PRINTF("focus in %X %d %d\n", e->event, e->mode, e->detail); */
if (e->mode == XCB_NOTIFY_MODE_GRAB
|| e->mode == XCB_NOTIFY_MODE_UNGRAB)
return;
if ((e->detail == XCB_NOTIFY_DETAIL_ANCESTOR ||
e->detail == XCB_NOTIFY_DETAIL_INFERIOR ||
e->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL ||
e->detail == XCB_NOTIFY_DETAIL_NONLINEAR) &&
(mon->desk->focus == NULL
|| mon->desk->focus->client->window != e->event))
update_input_focus();
}
void enter_notify(xcb_generic_event_t *evt)
{
xcb_enter_notify_event_t *e = (xcb_enter_notify_event_t *) evt;
xcb_window_t win = e->event;
PRINTF("enter notify %X %d %d\n", win, e->mode, e->detail);
if (e->mode != XCB_NOTIFY_MODE_NORMAL
|| (mon->desk->focus != NULL && mon->desk->focus->client->window == win))
return;
enable_motion_recorder();
}
void motion_notify(xcb_generic_event_t *evt)
{
PUTS("motion notify");
xcb_motion_notify_event_t *e = (xcb_motion_notify_event_t *) evt;
int dtime = e->time - last_motion_time;
if (dtime > 1000) {
last_motion_time = e->time;
last_motion_x = e->event_x;
last_motion_y = e->event_y;
return;
}
int mdist = abs(e->event_x - last_motion_x) + abs(e->event_y - last_motion_y);
if (mdist < 10)
return;
disable_motion_recorder();
xcb_window_t win = XCB_NONE;
query_pointer(&win, NULL);
if (win != XCB_NONE) {
bool backup = pointer_follows_monitor;
auto_raise = false;
pointer_follows_monitor = false;
window_focus(win);
pointer_follows_monitor = backup;
auto_raise = true;
}
}
void handle_state(monitor_t *m, desktop_t *d, node_t *n, xcb_atom_t state, unsigned int action)
{
if (state == ewmh->_NET_WM_STATE_FULLSCREEN) {
if (action == XCB_EWMH_WM_STATE_ADD)
set_fullscreen(d, n, true);
else if (action == XCB_EWMH_WM_STATE_REMOVE)
set_fullscreen(d, n, false);
else if (action == XCB_EWMH_WM_STATE_TOGGLE)
set_fullscreen(d, n, !n->client->fullscreen);
arrange(m, d);
} else if (state == ewmh->_NET_WM_STATE_DEMANDS_ATTENTION) {
if (action == XCB_EWMH_WM_STATE_ADD)
set_urgency(m, d, n, true);
else if (action == XCB_EWMH_WM_STATE_REMOVE)
set_urgency(m, d, n, false);
else if (action == XCB_EWMH_WM_STATE_TOGGLE)
set_urgency(m, d, n, !n->client->urgent);
}
}
void grab_pointer(pointer_action_t pac)
{
PRINTF("grab pointer %u\n", pac);
xcb_window_t win = XCB_NONE;
xcb_point_t pos;
query_pointer(&win, &pos);
coordinates_t loc;
if (locate_window(win, &loc)) {
client_t *c = NULL;
frozen_pointer->position = pos;
frozen_pointer->action = pac;
c = loc.node->client;
frozen_pointer->monitor = loc.monitor;
frozen_pointer->desktop = loc.desktop;
frozen_pointer->node = loc.node;
frozen_pointer->client = c;
frozen_pointer->window = c->window;
frozen_pointer->horizontal_fence = NULL;
frozen_pointer->vertical_fence = NULL;
switch (pac) {
case ACTION_FOCUS:
if (loc.node != mon->desk->focus) {
bool backup = pointer_follows_monitor;
pointer_follows_monitor = false;
focus_node(loc.monitor, loc.desktop, loc.node);
pointer_follows_monitor = backup;
} else if (focus_follows_pointer && is_floating(loc.node->client)) {
stack(loc.desktop, loc.node);
}
break;
case ACTION_MOVE:
case ACTION_RESIZE_SIDE:
case ACTION_RESIZE_CORNER:
if (is_tiled(c)) {
frozen_pointer->rectangle = c->tiled_rectangle;
frozen_pointer->is_tiled = true;
} else if (is_floating(c)) {
frozen_pointer->rectangle = c->floating_rectangle;
frozen_pointer->is_tiled = false;
} else {
frozen_pointer->action = ACTION_NONE;
return;
}
if (pac == ACTION_RESIZE_SIDE) {
float W = frozen_pointer->rectangle.width;
float H = frozen_pointer->rectangle.height;
float ratio = W / H;
float x = pos.x - frozen_pointer->rectangle.x;
float y = pos.y - frozen_pointer->rectangle.y;
float diag_a = ratio * y;
float diag_b = W - diag_a;
if (x < diag_a) {
if (x < diag_b)
frozen_pointer->side = SIDE_LEFT;
else
frozen_pointer->side = SIDE_BOTTOM;
} else {
if (x < diag_b)
frozen_pointer->side = SIDE_TOP;
else
frozen_pointer->side = SIDE_RIGHT;
}
} else if (pac == ACTION_RESIZE_CORNER) {
int16_t mid_x = frozen_pointer->rectangle.x + (frozen_pointer->rectangle.width / 2);
int16_t mid_y = frozen_pointer->rectangle.y + (frozen_pointer->rectangle.height / 2);
if (pos.x > mid_x) {
if (pos.y > mid_y)
frozen_pointer->corner = CORNER_BOTTOM_RIGHT;
else
frozen_pointer->corner = CORNER_TOP_RIGHT;
} else {
if (pos.y > mid_y)
frozen_pointer->corner = CORNER_BOTTOM_LEFT;
else
frozen_pointer->corner = CORNER_TOP_LEFT;
}
}
if (frozen_pointer->is_tiled) {
if (pac == ACTION_RESIZE_SIDE) {
switch (frozen_pointer->side) {
case SIDE_TOP:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_UP);
break;
case SIDE_RIGHT:
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_RIGHT);
break;
case SIDE_BOTTOM:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_DOWN);
break;
case SIDE_LEFT:
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_LEFT);
break;
}
} else if (pac == ACTION_RESIZE_CORNER) {
switch (frozen_pointer->corner) {
case CORNER_TOP_LEFT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_UP);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_LEFT);
break;
case CORNER_TOP_RIGHT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_UP);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_RIGHT);
break;
case CORNER_BOTTOM_RIGHT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_DOWN);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_RIGHT);
break;
case CORNER_BOTTOM_LEFT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_DOWN);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_LEFT);
break;
}
}
if (frozen_pointer->horizontal_fence != NULL)
frozen_pointer->horizontal_ratio = frozen_pointer->horizontal_fence->split_ratio;
if (frozen_pointer->vertical_fence != NULL)
frozen_pointer->vertical_ratio = frozen_pointer->vertical_fence->split_ratio;
}
break;
case ACTION_NONE:
break;
}
} else {
if (pac == ACTION_FOCUS) {
monitor_t *m = monitor_from_point(pos);
if (m != NULL)
focus_node(m, m->desk, m->desk->focus);
}
frozen_pointer->action = ACTION_NONE;
}
}
void track_pointer(int root_x, int root_y)
{
if (frozen_pointer->action == ACTION_NONE)
return;
int16_t delta_x, delta_y, x = 0, y = 0, w = 1, h = 1;
uint16_t width, height;
pointer_action_t pac = frozen_pointer->action;
monitor_t *m = frozen_pointer->monitor;
desktop_t *d = frozen_pointer->desktop;
node_t *n = frozen_pointer->node;
client_t *c = frozen_pointer->client;
xcb_window_t win = frozen_pointer->window;
xcb_rectangle_t rect = frozen_pointer->rectangle;
node_t *vertical_fence = frozen_pointer->vertical_fence;
node_t *horizontal_fence = frozen_pointer->horizontal_fence;
delta_x = root_x - frozen_pointer->position.x;
delta_y = root_y - frozen_pointer->position.y;
switch (pac) {
case ACTION_MOVE:
if (frozen_pointer->is_tiled) {
xcb_window_t pwin = XCB_NONE;
query_pointer(&pwin, NULL);
if (pwin == win)
return;
coordinates_t loc;
bool is_managed = (pwin == XCB_NONE ? false : locate_window(pwin, &loc));
if (is_managed && is_tiled(loc.node->client) && loc.monitor == m) {
swap_nodes(n, loc.node);
arrange(m, d);
} else {
if (is_managed && loc.monitor == m) {
return;
} else if (!is_managed) {
xcb_point_t pt = (xcb_point_t) {root_x, root_y};
monitor_t *pmon = monitor_from_point(pt);
if (pmon == NULL || pmon == m) {
return;
} else {
loc.monitor = pmon;
loc.desktop = pmon->desk;
}
}
transfer_node(m, d, loc.monitor, loc.desktop, n);
frozen_pointer->monitor = loc.monitor;
frozen_pointer->desktop = loc.desktop;
}
} else {
x = rect.x + delta_x;
y = rect.y + delta_y;
window_move(win, x, y);
c->floating_rectangle.x = x;
c->floating_rectangle.y = y;
xcb_point_t pt = (xcb_point_t) {root_x, root_y};
monitor_t *pmon = monitor_from_point(pt);
if (pmon == NULL || pmon == m)
return;
transfer_node(m, d, pmon, pmon->desk, n);
frozen_pointer->monitor = pmon;
frozen_pointer->desktop = pmon->desk;
}
break;
case ACTION_RESIZE_SIDE:
case ACTION_RESIZE_CORNER:
if (frozen_pointer->is_tiled) {
if (vertical_fence != NULL) {
double sr = frozen_pointer->vertical_ratio + (double) delta_x / vertical_fence->rectangle.width;
sr = MAX(0, sr);
sr = MIN(1, sr);
vertical_fence->split_ratio = sr;
}
if (horizontal_fence != NULL) {
double sr = frozen_pointer->horizontal_ratio + (double) delta_y / horizontal_fence->rectangle.height;
sr = MAX(0, sr);
sr = MIN(1, sr);
horizontal_fence->split_ratio = sr;
}
arrange(mon, mon->desk);
} else {
if (pac == ACTION_RESIZE_SIDE) {
switch (frozen_pointer->side) {
case SIDE_TOP:
x = rect.x;
y = rect.y + delta_y;
w = rect.width;
h = rect.height - delta_y;
break;
case SIDE_RIGHT:
x = rect.x;
y = rect.y;
w = rect.width + delta_x;
h = rect.height;
break;
case SIDE_BOTTOM:
x = rect.x;
y = rect.y;
w = rect.width;
h = rect.height + delta_y;
break;
case SIDE_LEFT:
x = rect.x + delta_x;
y = rect.y;
w = rect.width - delta_x;
h = rect.height;
break;
}
width = MAX(1, w);
height = MAX(1, h);
window_move_resize(win, x, y, width, height);
c->floating_rectangle = (xcb_rectangle_t) {x, y, width, height};
window_draw_border(n, d->focus == n, mon == m);
} else if (pac == ACTION_RESIZE_CORNER) {
switch (frozen_pointer->corner) {
case CORNER_TOP_LEFT:
x = rect.x + delta_x;
y = rect.y + delta_y;
w = rect.width - delta_x;
h = rect.height - delta_y;
break;
case CORNER_TOP_RIGHT:
x = rect.x;
y = rect.y + delta_y;
w = rect.width + delta_x;
h = rect.height - delta_y;
break;
case CORNER_BOTTOM_LEFT:
x = rect.x + delta_x;
y = rect.y;
w = rect.width - delta_x;
h = rect.height + delta_y;
break;
case CORNER_BOTTOM_RIGHT:
x = rect.x;
y = rect.y;
w = rect.width + delta_x;
h = rect.height + delta_y;
break;
}
width = MAX(1, w);
height = MAX(1, h);
window_move_resize(win, x, y, width, height);
c->floating_rectangle = (xcb_rectangle_t) {x, y, width, height};
window_draw_border(n, d->focus == n, mon == m);
}
}
break;
case ACTION_FOCUS:
case ACTION_NONE:
break;
}
}