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#include "wm.h"
static char broken[] = "broken";
void
focus(Client *client, int lift)
{
struct wlr_seat *seat;
struct wlr_surface *old, *new;
struct wlr_xdg_surface *xdg;
struct wlr_keyboard *keyboard;
new = server.input.seat->keyboard_state.focused_surface;
if(client && lift) {
wl_list_remove(&client->stack);
wl_list_insert(&server.client.stack, &client->stack);
}
seat = server.input.seat;
old = seat->keyboard_state.focused_surface;
if(old==new)
return;
if(client) {
wl_list_remove(&client->focus);
wl_list_insert(&server.client.focus, &client->focus);
server.monitor.selected = client->monitor;
client->isurgent = 0;
}
if(old) {
xdg = wlr_xdg_surface_from_wlr_surface(seat->keyboard_state.focused_surface);
wlr_xdg_toplevel_set_activated(xdg, false);
}
if(!client) {
wlr_seat_keyboard_notify_clear_focus(seat);
return;
}
keyboard = wlr_seat_get_keyboard(seat);
wlr_seat_keyboard_notify_enter(seat, client->xdg->surface,
keyboard->keycodes,
keyboard->num_keycodes,
&keyboard->modifiers
);
wlr_xdg_toplevel_set_activated(client->xdg, true);
}
int
client_has(Client *client, double lx, double ly, struct wlr_surface **surface, double *sx, double *sy)
{
double x, y, vsx = lx - client->geometry.x, vsy = ly - client->geometry.y;
struct wlr_surface *find = nil;
find = wlr_xdg_surface_surface_at(client->xdg, vsx, vsy, &x, &y);
if(find) {
*sx = x;
*sy = y;
*surface = find;
return true;
}
return false;
}
Client*
client_at(double lx, double ly, struct wlr_surface **surface, double *sx, double *sy)
{
Client *it;
wl_list_for_each(it, &server.client.list, link) {
if(client_has(it, lx, ly, surface, sx, sy))
return it;
}
return nil;
}
void
setinteractive(Client *client, int mode, uint32 edges) {
double bx, by;
struct wlr_box box;
struct wlr_surface *focused = server.input.seat->pointer_state.focused_surface;
if(client->xdg->surface != focused)
return;
server.grab.client = client;
server.cursor.mode = mode;
if(mode == CursorMove) {
server.grab.x = server.cursor.dot->x - client->geometry.x;
server.grab.y = server.cursor.dot->y - client->geometry.y;
} else {
wlr_xdg_surface_get_geometry(client->xdg, &box);
bx = (client->geometry.x + box.x) + ((edges & WLR_EDGE_RIGHT) ? box.width : 0);
by = (client->geometry.y + box.y) + ((edges & WLR_EDGE_BOTTOM) ? box.height : 0);
server.grab.x = server.cursor.dot->x - bx;
server.grab.y = server.cursor.dot->y - by;
server.grab.box = box;
server.grab.box.x += client->geometry.x;
server.grab.box.y += client->geometry.y;
server.resize = edges;
}
}
static
void
constrain(Client *client, struct wlr_box *box)
{
client->geometry.width = MAX(1, client->geometry.width);
client->geometry.height = MAX(1, client->geometry.height);
if(client->geometry.x >= box->x + box->width)
client->geometry.x = box->x + box->width - client->geometry.width;
if(client->geometry.y >= box->y + box->height)
client->geometry.y = box->y + box->height - client->geometry.height;
if(client->geometry.x + client->geometry.width + 2*client->border <= box->x)
client->geometry.x = box->x;
if(client->geometry.y + client->geometry.height + 2*client->border <= box->y)
client->geometry.y = box->y;
}
void
resize(Client *client, int x, int y, int w, int h, int interact)
{
struct wlr_box *box = interact ? &server.monitor.geometry : &client->monitor->window;
client->geometry.x = x;
client->geometry.y = y;
client->geometry.width = w;
client->geometry.height = h;
constrain(client, box);
client->resize = wlr_xdg_toplevel_set_size(client->xdg,
client->geometry.width - 2*client->border,
client->geometry.height - 2*client->border
);
}
void
attach(Client *client, Monitor *monitor, uint tags)
{
Monitor *old = client->monitor;
if(old == monitor)
return;
client->monitor = monitor;
if(old) {
wlr_surface_send_leave(client->xdg->surface, old->output);
arrange(old);
}
if(monitor) {
/* make sure window actually overlaps with the monitor */
constrain(client, &monitor->geometry);
wlr_surface_send_enter(client->xdg->surface, monitor->output);
client->tags = tags ? tags : monitor->tag.set[monitor->tag.selected];
arrange(monitor);
}
focus(focused_client(server.monitor.selected), 1);
}
void
rules(Client *client)
{
/* rule matching */
Rule *rule;
uint i, tags;
char *id, *title;
Monitor *monitor, *it;
monitor = server.monitor.selected;
if (!(id=client->xdg->toplevel->app_id))
id = broken;
if (!(title=client->xdg->toplevel->title))
title = broken;
for(tags=0, rule=cfg·rule; rule != cfg·endrule; ++rule) {
if ((!rule->title || strstr(title, rule->title))
&& (!rule->id || strstr(id, rule->id))) {
client->isfloating = rule->isfloating;
tags |= rule->tags;
i = 0;
wl_list_for_each(it, &server.monitor.list, link)
if(rule->monitor == i++)
monitor = it;
}
}
attach(client, monitor, tags);
}
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