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-rw-r--r--rootston/config.c1
-rw-r--r--rootston/cursor.c219
-rw-r--r--rootston/desktop.c67
-rw-r--r--rootston/keyboard.c8
-rw-r--r--rootston/output.c2
-rw-r--r--rootston/rootston.ini.example2
-rw-r--r--rootston/seat.c24
7 files changed, 300 insertions, 23 deletions
diff --git a/rootston/config.c b/rootston/config.c
index 92d90de1..5c168679 100644
--- a/rootston/config.c
+++ b/rootston/config.c
@@ -506,6 +506,7 @@ struct roots_config *roots_config_create_from_args(int argc, char *argv[]) {
add_binding_config(&config->bindings, "Logo+Shift+E", "exit");
add_binding_config(&config->bindings, "Ctrl+q", "close");
add_binding_config(&config->bindings, "Alt+Tab", "next_window");
+ add_binding_config(&config->bindings, "Logo+Escape", "break_pointer_constraint");
struct roots_keyboard_config *kc =
calloc(1, sizeof(struct roots_keyboard_config));
kc->meta_key = WLR_MODIFIER_LOGO;
diff --git a/rootston/cursor.c b/rootston/cursor.c
index 2b8d9a3e..9a163c63 100644
--- a/rootston/cursor.c
+++ b/rootston/cursor.c
@@ -1,9 +1,12 @@
#define _XOPEN_SOURCE 700
+#include <assert.h>
#include <math.h>
#include <stdlib.h>
+#include <wlr/types/wlr_region.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/util/edges.h>
#include <wlr/util/log.h>
+#include <wlr/util/region.h>
#ifdef __linux__
#include <linux/input-event-codes.h>
#elif __FreeBSD__
@@ -11,6 +14,7 @@
#endif
#include "rootston/cursor.h"
#include "rootston/desktop.h"
+#include "rootston/view.h"
#include "rootston/xcursor.h"
struct roots_cursor *roots_cursor_create(struct roots_seat *seat) {
@@ -100,7 +104,7 @@ static void seat_view_deco_button(struct roots_seat_view *view, double sx,
}
static void roots_passthrough_cursor(struct roots_cursor *cursor,
- uint32_t time) {
+ int64_t time) {
bool focus_changed;
double sx, sy;
struct roots_view *view = NULL;
@@ -108,11 +112,13 @@ static void roots_passthrough_cursor(struct roots_cursor *cursor,
struct roots_desktop *desktop = seat->input->server->desktop;
struct wlr_surface *surface = desktop_surface_at(desktop,
cursor->cursor->x, cursor->cursor->y, &sx, &sy, &view);
+
struct wl_client *client = NULL;
if (surface) {
client = wl_resource_get_client(surface->resource);
}
- if (surface && !roots_seat_allow_input(cursor->seat, surface->resource)) {
+
+ if (surface && !roots_seat_allow_input(seat, surface->resource)) {
return;
}
@@ -125,21 +131,27 @@ static void roots_passthrough_cursor(struct roots_cursor *cursor,
if (view) {
struct roots_seat_view *seat_view =
roots_seat_view_from_view(seat, view);
- if (cursor->pointer_view && (surface ||
- seat_view != cursor->pointer_view)) {
+
+ if (cursor->pointer_view &&
+ !cursor->wlr_surface && (surface || seat_view != cursor->pointer_view)) {
seat_view_deco_leave(cursor->pointer_view);
- cursor->pointer_view = NULL;
}
+
+ cursor->pointer_view = seat_view;
+
if (!surface) {
- cursor->pointer_view = seat_view;
seat_view_deco_motion(seat_view, sx, sy);
}
+ } else {
+ cursor->pointer_view = NULL;
}
+ cursor->wlr_surface = surface;
+
if (surface) {
focus_changed = (seat->seat->pointer_state.focused_surface != surface);
wlr_seat_pointer_notify_enter(seat->seat, surface, sx, sy);
- if (!focus_changed) {
+ if (!focus_changed && time > 0) {
wlr_seat_pointer_notify_motion(seat->seat, time, sx, sy);
}
} else {
@@ -152,6 +164,10 @@ static void roots_passthrough_cursor(struct roots_cursor *cursor,
}
}
+void roots_cursor_update_focus(struct roots_cursor *cursor) {
+ roots_passthrough_cursor(cursor, -1);
+}
+
void roots_cursor_update_position(struct roots_cursor *cursor,
uint32_t time) {
struct roots_seat *seat = cursor->seat;
@@ -262,7 +278,7 @@ static void roots_cursor_press_button(struct roots_cursor *cursor,
} else {
if (view && !surface && cursor->pointer_view) {
seat_view_deco_button(cursor->pointer_view,
- sx, sy, button, state);
+ sx, sy, button, state);
}
if (state == WLR_BUTTON_RELEASED &&
@@ -291,15 +307,59 @@ static void roots_cursor_press_button(struct roots_cursor *cursor,
void roots_cursor_handle_motion(struct roots_cursor *cursor,
struct wlr_event_pointer_motion *event) {
- wlr_cursor_move(cursor->cursor, event->device,
- event->delta_x, event->delta_y);
+ double dx = event->delta_x;
+ double dy = event->delta_y;
+
+ if (cursor->active_constraint) {
+ struct roots_view *view = cursor->pointer_view->view;
+ assert(view);
+
+ // TODO: handle rotated views
+ if (view->rotation == 0.0) {
+ double lx1 = cursor->cursor->x;
+ double ly1 = cursor->cursor->y;
+
+ double lx2 = lx1 + dx;
+ double ly2 = ly1 + dy;
+
+ double sx1 = lx1 - view->x;
+ double sy1 = ly1 - view->y;
+
+ double sx2 = lx2 - view->x;
+ double sy2 = ly2 - view->y;
+
+ double sx2_confined, sy2_confined;
+ if (!wlr_region_confine(&cursor->confine, sx1, sy1, sx2, sy2,
+ &sx2_confined, &sy2_confined)) {
+ return;
+ }
+
+ dx = sx2_confined - sx1;
+ dy = sy2_confined - sy1;
+ }
+ }
+
+ wlr_cursor_move(cursor->cursor, event->device, dx, dy);
roots_cursor_update_position(cursor, event->time_msec);
}
void roots_cursor_handle_motion_absolute(struct roots_cursor *cursor,
struct wlr_event_pointer_motion_absolute *event) {
- wlr_cursor_warp_absolute(cursor->cursor,
- event->device, event->x, event->y);
+ double lx, ly;
+ wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device, event->x,
+ event->y, &lx, &ly);
+
+ if (cursor->pointer_view) {
+ struct roots_view *view = cursor->pointer_view->view;
+
+ if (cursor->active_constraint &&
+ !pixman_region32_contains_point(&cursor->confine,
+ floor(lx - view->x), floor(ly - view->y), NULL)) {
+ return;
+ }
+ }
+
+ wlr_cursor_warp_closest(cursor->cursor, event->device, lx, ly);
roots_cursor_update_position(cursor, event->time_msec);
}
@@ -324,7 +384,7 @@ void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
double sx, sy;
struct wlr_surface *surface = desktop_surface_at(
- desktop, lx, ly, &sx, &sy, NULL);
+ desktop, lx, ly, &sx, &sy, NULL);
uint32_t serial = 0;
if (surface && roots_seat_allow_input(cursor->seat, surface->resource)) {
@@ -393,18 +453,34 @@ void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
void roots_cursor_handle_tool_axis(struct roots_cursor *cursor,
struct wlr_event_tablet_tool_axis *event) {
+ double x = NAN, y = NAN;
if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) &&
(event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
- wlr_cursor_warp_absolute(cursor->cursor, event->device,
- event->x, event->y);
- roots_cursor_update_position(cursor, event->time_msec);
+ x = event->x;
+ y = event->y;
} else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X)) {
- wlr_cursor_warp_absolute(cursor->cursor, event->device, event->x, -1);
- roots_cursor_update_position(cursor, event->time_msec);
+ x = event->x;
} else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
- wlr_cursor_warp_absolute(cursor->cursor, event->device, -1, event->y);
- roots_cursor_update_position(cursor, event->time_msec);
+ y = event->y;
+ }
+
+ double lx, ly;
+ wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device,
+ x, y, &lx, &ly);
+
+
+ if (cursor->pointer_view) {
+ struct roots_view *view = cursor->pointer_view->view;
+
+ if (cursor->active_constraint &&
+ !pixman_region32_contains_point(&cursor->confine,
+ floor(lx - view->x), floor(ly - view->y), NULL)) {
+ return;
+ }
}
+
+ wlr_cursor_warp_closest(cursor->cursor, event->device, lx, ly);
+ roots_cursor_update_position(cursor, event->time_msec);
}
void roots_cursor_handle_tool_tip(struct roots_cursor *cursor,
@@ -434,3 +510,106 @@ void roots_cursor_handle_request_set_cursor(struct roots_cursor *cursor,
event->hotspot_y);
cursor->cursor_client = event->seat_client->client;
}
+
+void roots_cursor_handle_focus_change(struct roots_cursor *cursor,
+ struct wlr_seat_pointer_focus_change_event *event) {
+ double sx = event->sx;
+ double sy = event->sy;
+
+ double lx = cursor->cursor->x;
+ double ly = cursor->cursor->y;
+
+ wlr_log(WLR_DEBUG, "entered surface %p, lx: %f, ly: %f, sx: %f, sy: %f",
+ event->new_surface, lx, ly, sx, sy);
+
+ roots_cursor_constrain(cursor,
+ wlr_pointer_constraints_v1_constraint_for_surface(
+ cursor->seat->input->server->desktop->pointer_constraints,
+ event->new_surface, cursor->seat->seat),
+ sx, sy);
+}
+
+void roots_cursor_handle_constraint_commit(struct roots_cursor *cursor) {
+ struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+
+ struct roots_view *view;
+ double sx, sy;
+ struct wlr_surface *surface = desktop_surface_at(desktop,
+ cursor->cursor->x, cursor->cursor->y, &sx, &sy, &view);
+ // This should never happen but views move around right when they're
+ // created from (0, 0) to their actual coordinates.
+ if (surface != cursor->active_constraint->surface) {
+ roots_cursor_update_focus(cursor);
+ } else {
+ roots_cursor_constrain(cursor, cursor->active_constraint, sx, sy);
+ }
+}
+
+static void handle_constraint_commit(struct wl_listener *listener,
+ void *data) {
+ struct roots_cursor *cursor =
+ wl_container_of(listener, cursor, constraint_commit);
+ assert(cursor->active_constraint->surface == data);
+ roots_cursor_handle_constraint_commit(cursor);
+}
+
+void roots_cursor_constrain(struct roots_cursor *cursor,
+ struct wlr_pointer_constraint_v1 *constraint, double sx, double sy) {
+ if (cursor->active_constraint == constraint) {
+ return;
+ }
+
+ wlr_log(WLR_DEBUG, "roots_cursor_constrain(%p, %p)",
+ cursor, constraint);
+ wlr_log(WLR_DEBUG, "cursor->active_constraint: %p",
+ cursor->active_constraint);
+
+ wl_list_remove(&cursor->constraint_commit.link);
+ wl_list_init(&cursor->constraint_commit.link);
+ if (cursor->active_constraint) {
+ wlr_pointer_constraint_v1_send_deactivated(
+ cursor->active_constraint);
+ }
+
+ cursor->active_constraint = constraint;
+
+ if (constraint == NULL) {
+ return;
+ }
+
+ wlr_pointer_constraint_v1_send_activated(constraint);
+
+ wl_list_remove(&cursor->constraint_commit.link);
+ wl_signal_add(&constraint->surface->events.commit,
+ &cursor->constraint_commit);
+ cursor->constraint_commit.notify = handle_constraint_commit;
+
+ pixman_region32_clear(&cursor->confine);
+
+ pixman_region32_t *region = &constraint->region;
+
+ if (!pixman_region32_contains_point(region, floor(sx), floor(sy), NULL)) {
+ // Warp into region if possible
+ int nboxes;
+ pixman_box32_t *boxes = pixman_region32_rectangles(region, &nboxes);
+ if (nboxes > 0) {
+ struct roots_view *view = cursor->pointer_view->view;
+
+ double sx = (boxes[0].x1 + boxes[0].x2) / 2.;
+ double sy = (boxes[0].y1 + boxes[0].y2) / 2.;
+
+ rotate_child_position(&sx, &sy, 0, 0, view->width, view->height,
+ view->rotation);
+
+ double lx = view->x + sx;
+ double ly = view->y + sy;
+
+ wlr_cursor_warp_closest(cursor->cursor, NULL, lx, ly);
+ }
+ }
+
+ // A locked pointer will result in an empty region, thus disallowing all movement
+ if (constraint->type == WLR_POINTER_CONSTRAINT_V1_CONFINED) {
+ pixman_region32_copy(&cursor->confine, region);
+ }
+}
diff --git a/rootston/desktop.c b/rootston/desktop.c
index 3f6d977e..c180c839 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -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 +777,62 @@ static void input_inhibit_deactivate(struct wl_listener *listener, void *data) {
}
}
+static void handle_constraint_destroy(struct wl_listener *listener,
+ void *data) {
+ struct roots_pointer_constraint *constraint =
+ wl_container_of(listener, constraint, destroy);
+ struct wlr_pointer_constraint_v1 *wlr_constraint = data;
+ struct roots_seat *seat = wlr_constraint->seat->data;
+
+ wl_list_remove(&constraint->destroy.link);
+
+ if (seat->cursor->active_constraint == wlr_constraint) {
+ wl_list_remove(&seat->cursor->constraint_commit.link);
+ wl_list_init(&seat->cursor->constraint_commit.link);
+ seat->cursor->active_constraint = NULL;
+
+ if (wlr_constraint->current.committed &
+ WLR_POINTER_CONSTRAINT_V1_STATE_CURSOR_HINT &&
+ seat->cursor->pointer_view) {
+ double sx = wlr_constraint->current.cursor_hint.x;
+ double sy = wlr_constraint->current.cursor_hint.y;
+
+ struct roots_view *view = seat->cursor->pointer_view->view;
+ rotate_child_position(&sx, &sy, 0, 0, view->width, view->height,
+ view->rotation);
+ double lx = view->x + sx;
+ double ly = view->y + sy;
+
+ wlr_cursor_warp(seat->cursor->cursor, NULL, lx, ly);
+ }
+ }
+
+ free(constraint);
+}
+
+static void handle_pointer_constraint(struct wl_listener *listener,
+ void *data) {
+ struct wlr_pointer_constraint_v1 *wlr_constraint = data;
+ struct roots_seat *seat = wlr_constraint->seat->data;
+
+ struct roots_pointer_constraint *constraint =
+ calloc(1, sizeof(struct roots_pointer_constraint));
+ constraint->constraint = wlr_constraint;
+
+ constraint->destroy.notify = handle_constraint_destroy;
+ wl_signal_add(&wlr_constraint->events.destroy, &constraint->destroy);
+
+ 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 == wlr_constraint->surface) {
+ assert(!seat->cursor->active_constraint);
+ roots_cursor_constrain(seat->cursor, wlr_constraint, sx, sy);
+ }
+}
+
struct roots_desktop *desktop_create(struct roots_server *server,
struct roots_config *config) {
wlr_log(WLR_DEBUG, "Initializing roots desktop");
@@ -887,10 +944,10 @@ struct roots_desktop *desktop_create(struct roots_server *server,
wlr_input_inhibit_manager_create(server->wl_display);
desktop->input_inhibit_activate.notify = input_inhibit_activate;
wl_signal_add(&desktop->input_inhibit->events.activate,
- &desktop->input_inhibit_activate);
+ &desktop->input_inhibit_activate);
desktop->input_inhibit_deactivate.notify = input_inhibit_deactivate;
wl_signal_add(&desktop->input_inhibit->events.deactivate,
- &desktop->input_inhibit_deactivate);
+ &desktop->input_inhibit_deactivate);
desktop->virtual_keyboard = wlr_virtual_keyboard_manager_v1_create(
server->wl_display);
@@ -906,6 +963,12 @@ 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->pointer_constraint.notify = handle_pointer_constraint;
+ wl_signal_add(&desktop->pointer_constraints->events.new_constraint,
+ &desktop->pointer_constraint);
+
return desktop;
}
diff --git a/rootston/keyboard.c b/rootston/keyboard.c
index b5a8093b..6ba0bd6d 100644
--- a/rootston/keyboard.c
+++ b/rootston/keyboard.c
@@ -8,6 +8,7 @@
#include <wlr/backend/multi.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_input_device.h>
+#include <wlr/types/wlr_pointer_constraints_v1.h>
#include <wlr/types/wlr_pointer.h>
#include <wlr/util/log.h>
#include <xkbcommon/xkbcommon.h>
@@ -176,6 +177,13 @@ static void keyboard_binding_execute(struct roots_keyboard *keyboard,
decoration->wlr_decoration, mode);
}
}
+ } else if (strcmp(command, "break_pointer_constraint") == 0) {
+ struct wl_list *list =
+ &keyboard->input->seats;
+ struct roots_seat *seat;
+ wl_list_for_each(seat, list, link) {
+ roots_cursor_constrain(seat->cursor, NULL, NAN, NAN);
+ }
} else {
wlr_log(WLR_ERROR, "unknown binding command: %s", command);
}
diff --git a/rootston/output.c b/rootston/output.c
index 4207f0d0..e85612fa 100644
--- a/rootston/output.c
+++ b/rootston/output.c
@@ -22,7 +22,7 @@
* Rotate a child's position relative to a parent. The parent size is (pw, ph),
* the child position is (*sx, *sy) and its size is (sw, sh).
*/
-static void rotate_child_position(double *sx, double *sy, double sw, double sh,
+void rotate_child_position(double *sx, double *sy, double sw, double sh,
double pw, double ph, float rotation) {
if (rotation != 0.0) {
// Coordinates relative to the center of the subsurface
diff --git a/rootston/rootston.ini.example b/rootston/rootston.ini.example
index bb0efa44..4b75e9c6 100644
--- a/rootston/rootston.ini.example
+++ b/rootston/rootston.ini.example
@@ -53,9 +53,11 @@ meta-key = Logo
# - "close" to close the current view
# - "next_window" to cycle through windows
# - "alpha" to cycle a window's alpha channel
+# - "break_pointer_constraint" to decline and deactivate all pointer constraints
[bindings]
Logo+Shift+e = exit
Logo+q = close
Logo+m = maximize
+Logo+Escape = break_pointer_constraint
Alt+Tab = next_window
Ctrl+Shift+a = alpha
diff --git a/rootston/seat.c b/rootston/seat.c
index c78eb294..c41c32ed 100644
--- a/rootston/seat.c
+++ b/rootston/seat.c
@@ -314,6 +314,14 @@ static void handle_request_set_cursor(struct wl_listener *listener,
roots_cursor_handle_request_set_cursor(cursor, event);
}
+static void handle_pointer_focus_change(struct wl_listener *listener,
+ void *data) {
+ struct roots_cursor *cursor =
+ wl_container_of(listener, cursor, focus_change);
+ struct wlr_seat_pointer_focus_change_event *event = data;
+ roots_cursor_handle_focus_change(cursor, event);
+}
+
static void seat_reset_device_mappings(struct roots_seat *seat,
struct wlr_input_device *device) {
struct wlr_cursor *cursor = seat->cursor->cursor;
@@ -449,6 +457,12 @@ static void roots_seat_init_cursor(struct roots_seat *seat) {
wl_signal_add(&seat->seat->events.request_set_cursor,
&seat->cursor->request_set_cursor);
seat->cursor->request_set_cursor.notify = handle_request_set_cursor;
+
+ wl_signal_add(&seat->seat->pointer_state.events.focus_change,
+ &seat->cursor->focus_change);
+ seat->cursor->focus_change.notify = handle_pointer_focus_change;
+
+ wl_list_init(&seat->cursor->constraint_commit.link);
}
static void roots_drag_icon_handle_surface_commit(struct wl_listener *listener,
@@ -582,6 +596,7 @@ struct roots_seat *roots_seat_create(struct roots_input *input, char *name) {
free(seat);
return NULL;
}
+ seat->seat->data = seat;
roots_seat_init_cursor(seat);
if (!seat->cursor) {
@@ -1201,6 +1216,10 @@ void roots_seat_set_focus(struct roots_seat *seat, struct roots_view *view) {
wlr_seat_keyboard_notify_enter(seat->seat, view->wlr_surface,
NULL, 0, NULL);
}
+
+ if (seat->cursor) {
+ roots_cursor_update_focus(seat->cursor);
+ }
}
/**
@@ -1235,6 +1254,11 @@ void roots_seat_set_focus_layer(struct roots_seat *seat,
wlr_seat_keyboard_notify_enter(seat->seat, layer->surface,
NULL, 0, NULL);
}
+
+
+ if (seat->cursor) {
+ roots_cursor_update_focus(seat->cursor);
+ }
}
void roots_seat_set_exclusive_client(struct roots_seat *seat,