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;
bool pfm_backup = pointer_follows_monitor;
bool pff_backup = pointer_follows_focus;
auto_raise = false;
pointer_follows_monitor = false;
pointer_follows_focus = false;
if (!window_focus(win)) {
xcb_point_t pt = {e->root_x, e->root_y};
monitor_t *m = monitor_from_point(pt);
if (m != NULL && m != mon) {
focus_node(m, m->desk, m->desk->focus);
}
}
pointer_follows_monitor = pfm_backup;
pointer_follows_focus = pff_backup;
auto_raise = true;
}
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;
xcb_point_t pt = {e->root_x, e->root_y};
query_pointer(&win, NULL);
bool backup = pointer_follows_monitor;
auto_raise = false;
pointer_follows_monitor = false;
if (!window_focus(win)) {
monitor_t *m = monitor_from_point(pt);
if (m != NULL && m != mon)
focus_node(m, m->desk, m->desk->focus);
}
pointer_follows_monitor = backup;
auto_raise = true;
}
bool grab_pointer(pointer_action_t pac)
{
xcb_window_t win = XCB_NONE;
xcb_point_t pos;
query_pointer(&win, &pos);
coordinates_t loc;
if (!locate_window(win, &loc)) {
if (pac == ACTION_FOCUS) {
monitor_t *m = monitor_from_point(pos);
if (m != NULL && m != mon && (win == XCB_NONE || win == m->root)) {
focus_node(m, m->desk, m->desk->focus);
return true;
}
}
return false;
}
if (pac == ACTION_FOCUS) {
if (loc.node != mon->desk->focus) {
focus_node(loc.monitor, loc.desktop, loc.node);
return true;
} else if (focus_follows_pointer) {
stack(loc.desktop, loc.node, true);
}
return false;
}
if (loc.node->client->state == STATE_FULLSCREEN) {
return true;
}
xcb_grab_pointer_reply_t *reply = xcb_grab_pointer_reply(dpy, xcb_grab_pointer(dpy, 0, root, XCB_EVENT_MASK_BUTTON_RELEASE|XCB_EVENT_MASK_BUTTON_MOTION, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_CURRENT_TIME), NULL);
if (reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) {
free(reply);
return true;
}
free(reply);
if (pac == ACTION_MOVE) {
put_status(SBSC_MASK_POINTER_ACTION, "pointer_action 0x%08X 0x%08X 0x%08X move begin\n", loc.monitor->id, loc.desktop->id, loc.node->id);
} else if (pac == ACTION_RESIZE_CORNER) {
put_status(SBSC_MASK_POINTER_ACTION, "pointer_action 0x%08X 0x%08X 0x%08X resize_corner begin\n", loc.monitor->id, loc.desktop->id, loc.node->id);
} else if (pac == ACTION_RESIZE_SIDE) {
put_status(SBSC_MASK_POINTER_ACTION, "pointer_action 0x%08X 0x%08X 0x%08X resize_side begin\n", loc.monitor->id, loc.desktop->id, loc.node->id);
}
track_pointer(loc, pac, pos);
return true;
}
void motion_notify(xcb_generic_event_t *evt)
{
xcb_motion_notify_event_t *e = (xcb_motion_notify_event_t *) evt;
PRINTF("motion notify %X %i %i\n", e->event, e->root_x, e->root_y);
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;
}
xcb_window_t win = XCB_NONE;
xcb_point_t pt = {e->root_x, e->root_y};
query_pointer(&win, NULL);
bool pfm_backup = pointer_follows_monitor;
bool pff_backup = pointer_follows_focus;
auto_raise = false;
pointer_follows_monitor = false;
pointer_follows_focus = false;
coordinates_t loc;
if (locate_window(win, &loc)) {
if (loc.node != mon->desk->focus) {
focus_node(loc.monitor, loc.desktop, loc.node);
}
} else {
monitor_t *m = monitor_from_point(pt);
if (m != NULL && m != mon) {
focus_node(m, m->desk, m->desk->focus);
}
}
pointer_follows_monitor = pfm_backup;
pointer_follows_focus = pff_backup;
auto_raise = true;
disable_motion_recorder();
}
monitor_t *monitor_from_client(client_t *c)
{
xcb_point_t pt = {c->floating_rectangle.x, c->floating_rectangle.y};
monitor_t *nearest = monitor_from_point(pt);
if (nearest == NULL) {
int x = (c->floating_rectangle.x + c->floating_rectangle.width) / 2;
int y = (c->floating_rectangle.y + c->floating_rectangle.height) / 2;
int dmin = INT_MAX;
for (monitor_t *m = mon_head; m != NULL; m = m->next) {
xcb_rectangle_t r = m->rectangle;
int d = abs((r.x + r.width / 2) - x) + abs((r.y + r.height / 2) - y);
if (d < dmin) {
dmin = d;
nearest = m;
}
}
}
return nearest;
}
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) {
stack(loc.node, STACK_ABOVE);
}
frozen_pointer->action = ACTION_NONE;
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 && m != mon)
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(m, d, n, m, d, 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;
}
}
bool focused = (n == mon->desk->focus);
transfer_node(m, d, n, loc.monitor, loc.desktop, loc.desktop->focus);
if (focused)
focus_node(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;
bool focused = (n == mon->desk->focus);
transfer_node(m, d, n, pmon, pmon->desk, pmon->desk->focus);
if (focused)
focus_node(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;
}
}
void grab_pointer(pointer_action_t 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 = loc.node->client;
frozen_pointer->position = pos;
frozen_pointer->action = pac;
frozen_pointer->monitor = loc.monitor;
frozen_pointer->desktop = loc.desktop;
frozen_pointer->node = loc.node;
frozen_pointer->client = c;
frozen_pointer->window = loc.node->id;
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) {
stack(loc.desktop, loc.node, true);
}
frozen_pointer->action = ACTION_NONE;
break;
case ACTION_MOVE:
case ACTION_RESIZE_SIDE:
case ACTION_RESIZE_CORNER:
if (IS_FLOATING(c)) {
frozen_pointer->rectangle = c->floating_rectangle;
frozen_pointer->is_tiled = false;
} else if (IS_TILED(c)) {
frozen_pointer->rectangle = c->tiled_rectangle;
frozen_pointer->is_tiled = (pac == ACTION_MOVE || c->state != STATE_PSEUDO_TILED);
} 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_NORTH);
break;
case SIDE_RIGHT:
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_EAST);
break;
case SIDE_BOTTOM:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_SOUTH);
break;
case SIDE_LEFT:
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_WEST);
break;
}
} else if (pac == ACTION_RESIZE_CORNER) {
switch (frozen_pointer->corner) {
case CORNER_TOP_LEFT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_NORTH);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_WEST);
break;
case CORNER_TOP_RIGHT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_NORTH);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_EAST);
break;
case CORNER_BOTTOM_RIGHT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_SOUTH);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_EAST);
break;
case CORNER_BOTTOM_LEFT:
frozen_pointer->horizontal_fence = find_fence(loc.node, DIR_SOUTH);
frozen_pointer->vertical_fence = find_fence(loc.node, DIR_WEST);
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 && m != mon && (win == XCB_NONE || win == m->root)) {
focus_node(m, m->desk, m->desk->focus);
}
}
frozen_pointer->action = ACTION_NONE;
}
}
bool move_client(coordinates_t *loc, int dx, int dy)
{
node_t *n = loc->node;
if (n == NULL || n->client == NULL) {
return false;
}
monitor_t *pm = NULL;
if (IS_TILED(n->client)) {
if (!grabbing) {
return false;
}
xcb_window_t pwin = XCB_NONE;
query_pointer(&pwin, NULL);
if (pwin == n->id) {
return false;
}
coordinates_t dst;
bool is_managed = (pwin != XCB_NONE && locate_window(pwin, &dst));
if (is_managed && dst.monitor == loc->monitor && IS_TILED(dst.node->client)) {
swap_nodes(loc->monitor, loc->desktop, n, loc->monitor, loc->desktop, dst.node);
return true;
} else {
if (is_managed && dst.monitor == loc->monitor) {
return false;
} else {
xcb_point_t pt = {0, 0};
query_pointer(NULL, &pt);
pm = monitor_from_point(pt);
}
}
} else {
client_t *c = n->client;
xcb_rectangle_t rect = c->floating_rectangle;
int16_t x = rect.x + dx;
int16_t y = rect.y + dy;
if (focus_follows_pointer) {
listen_enter_notify(loc->desktop->root, false);
}
window_move(n->id, x, y);
if (focus_follows_pointer) {
listen_enter_notify(loc->desktop->root, true);
}
c->floating_rectangle.x = x;
c->floating_rectangle.y = y;
if (!grabbing) {
put_status(SBSC_MASK_NODE_GEOMETRY, "node_geometry 0x%08X 0x%08X 0x%08X %ux%u+%i+%i\n", loc->monitor->id, loc->desktop->id, loc->node->id, rect.width, rect.height, x, y);
}
pm = monitor_from_client(c);
}
if (pm == NULL || pm == loc->monitor) {
return true;
}
bool focused = (n == mon->desk->focus);
transfer_node(loc->monitor, loc->desktop, n, pm, pm->desk, pm->desk->focus);
loc->monitor = pm;
loc->desktop = pm->desk;
if (focused) {
focus_node(pm, pm->desk, n);
}
return true;
}
