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Implement pointer-constraints protocol in wlroots and rootston

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Las 2018-08-10 18:19:16 +02:00
parent 437f538772
commit fa2e6e7d9d
23 changed files with 1134 additions and 20 deletions
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56
rootston/desktop.c
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@ -15,6 +15,7 @@
#include <wlr/types/wlr_input_inhibitor.h>
#include <wlr/types/wlr_layer_shell_v1.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_pointer_constraints_v1.h>
#include <wlr/types/wlr_primary_selection.h>
#include <wlr/types/wlr_server_decoration.h>
#include <wlr/types/wlr_wl_shell.h>
@ -776,6 +777,53 @@ static void input_inhibit_deactivate(struct wl_listener *listener, void *data) {
}
}
static void handle_constraint_create(
struct wl_listener *listener,
struct wlr_pointer_constraint_v1 *constraint) {
struct roots_seat* seat = constraint->seat->data;
double sx, sy;
struct wlr_surface *surface = desktop_surface_at(seat->input->server->desktop,
seat->cursor->cursor->x, seat->cursor->cursor->y, &sx, &sy, NULL);
if (surface == constraint->surface) {
assert(!seat->cursor->active_constraint);
roots_cursor_constrain(seat->cursor, constraint, sx, sy);
}
}
static void handle_constraint_destroy(
struct wl_listener *listener,
struct wlr_pointer_constraint_v1 *constraint) {
struct roots_seat* seat = constraint->seat->data;
if (seat->cursor->active_constraint == constraint) {
roots_cursor_constrain(seat->cursor, NULL, NAN, NAN);
if (constraint->current.cursor_hint.valid && seat->cursor->pointer_view) {
double sx = constraint->current.cursor_hint.x;
double sy = constraint->current.cursor_hint.y;
struct roots_view *view = seat->cursor->pointer_view->view;
double lx, ly;
if (view->rotation == 0.0) {
lx = sx + view->x;
ly = sy + view->y;
} else {
double c = cos(view->rotation);
double s = sin(view->rotation);
double center_x = view->width / 2.;
double center_y = view->height / 2.;
lx = c * (sx - center_x) - s * (sy - center_y) + center_x + view->x;
ly = s * (sx - center_x) + c * (sy - center_y) + center_y + view->y;
}
wlr_cursor_warp(seat->cursor->cursor, NULL, lx, ly);
}
}
}
struct roots_desktop *desktop_create(struct roots_server *server,
struct roots_config *config) {
wlr_log(WLR_DEBUG, "Initializing roots desktop");
@ -906,6 +954,14 @@ struct roots_desktop *desktop_create(struct roots_server *server,
&desktop->xdg_toplevel_decoration);
desktop->xdg_toplevel_decoration.notify = handle_xdg_toplevel_decoration;
desktop->pointer_constraints = wlr_pointer_constraints_v1_create(server->wl_display);
desktop->constraint_destroy.notify = (wl_notify_func_t)handle_constraint_destroy;
wl_signal_add(&desktop->pointer_constraints->events.constraint_destroy,
&desktop->constraint_destroy);
desktop->constraint_create.notify = (wl_notify_func_t)handle_constraint_create;
wl_signal_add(&desktop->pointer_constraints->events.constraint_create,
&desktop->constraint_create);
return desktop;
}