aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMykola Orliuk <virkony@gmail.com>2020-10-04 22:28:25 +0200
committerSimon Ser <contact@emersion.fr>2020-11-12 12:31:32 +0100
commit07e2e0f60cc4f743038ea8da2801d598a1b90cb9 (patch)
tree1832c9a0c9ed767da9c5a8144b617846ee50f6c7
parent44c4773d58e8d671e3f3e60d7eda86134775e9c9 (diff)
backend/wayland: Listen to pointers from all seats
This effectively gets swaywm/wlroots#1499 to the point where functionality somewhat preserved and no crash happens. We still can have only one cursor, but we can control it from multiple seats in time-sharing manner by entering/leaving output.
-rw-r--r--backend/wayland/seat.c62
1 files changed, 43 insertions, 19 deletions
diff --git a/backend/wayland/seat.c b/backend/wayland/seat.c
index d61e1370..7319c170 100644
--- a/backend/wayland/seat.c
+++ b/backend/wayland/seat.c
@@ -22,14 +22,16 @@
#include "util/signal.h"
#include "util/time.h"
-static struct wlr_wl_pointer *output_get_pointer(struct wlr_wl_output *output) {
+static struct wlr_wl_pointer *output_get_pointer(
+ struct wlr_wl_output *output,
+ const struct wl_pointer *wl_pointer) {
struct wlr_input_device *wlr_dev;
wl_list_for_each(wlr_dev, &output->backend->devices, link) {
if (wlr_dev->type != WLR_INPUT_DEVICE_POINTER) {
continue;
}
struct wlr_wl_pointer *pointer = pointer_get_wl(wlr_dev->pointer);
- if (pointer->output == output) {
+ if (pointer->output == output && pointer->wl_pointer == wl_pointer) {
return pointer;
}
}
@@ -47,8 +49,15 @@ static void pointer_handle_enter(void *data, struct wl_pointer *wl_pointer,
struct wlr_wl_output *output = wl_surface_get_user_data(surface);
assert(output);
- struct wlr_wl_pointer *pointer = output_get_pointer(output);
- assert(!backend->current_pointer || backend->current_pointer == pointer);
+ struct wlr_wl_pointer *pointer = output_get_pointer(output, wl_pointer);
+
+ struct wlr_wl_pointer *current_pointer = backend->current_pointer;
+ if (current_pointer && current_pointer != pointer) {
+ wlr_log(WLR_INFO, "Ignoring seat %s pointer cursor in favor of seat %s",
+ pointer->input_device->seat->name,
+ current_pointer->input_device->seat->name);
+ return;
+ }
output->enter_serial = serial;
backend->current_pointer = pointer;
@@ -422,6 +431,8 @@ static void input_device_destroy(struct wlr_input_device *wlr_dev) {
wl_keyboard_release(seat->keyboard);
seat->keyboard = NULL;
}
+ // We can't destroy pointer here because we might have multiple devices
+ // exposing it to compositor.
wl_list_remove(&dev->wlr_input_device.link);
free(dev);
}
@@ -625,15 +636,11 @@ void create_wl_pointer(struct wlr_wl_seat *seat, struct wlr_wl_output *output) {
struct wl_pointer *wl_pointer = seat->pointer;
struct wlr_wl_backend *backend = output->backend;
- struct wlr_input_device *wlr_dev;
- wl_list_for_each(wlr_dev, &output->backend->devices, link) {
- if (wlr_dev->type != WLR_INPUT_DEVICE_POINTER) {
- continue;
- }
- struct wlr_wl_pointer *pointer = pointer_get_wl(wlr_dev->pointer);
- if (pointer->output == output) {
- return;
- }
+ if (output_get_pointer(output, wl_pointer)) {
+ wlr_log(WLR_DEBUG,
+ "Pointer for seat %s and output %s already exists (ignoring)",
+ seat->name, output->wlr_output.name);
+ return;
}
struct wlr_wl_pointer *pointer = calloc(1, sizeof(struct wlr_wl_pointer));
@@ -642,7 +649,7 @@ void create_wl_pointer(struct wlr_wl_seat *seat, struct wlr_wl_output *output) {
return;
}
pointer->wl_pointer = wl_pointer;
- pointer->output = output;
+ pointer->output = output; // we need output to map absolute coordinates onto
struct wlr_wl_input_device *dev =
create_wl_input_device(seat, WLR_INPUT_DEVICE_POINTER);
@@ -656,7 +663,7 @@ void create_wl_pointer(struct wlr_wl_seat *seat, struct wlr_wl_output *output) {
wl_signal_add(&output->wlr_output.events.destroy, &pointer->output_destroy);
pointer->output_destroy.notify = pointer_handle_output_destroy;
- wlr_dev = &dev->wlr_input_device;
+ struct wlr_input_device *wlr_dev = &dev->wlr_input_device;
wlr_dev->pointer = &pointer->wlr_pointer;
wlr_dev->output_name = strdup(output->wlr_output.name);
wlr_pointer_init(wlr_dev->pointer, &pointer_impl);
@@ -748,11 +755,21 @@ static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
if (!(caps & WL_SEAT_CAPABILITY_POINTER) && seat->pointer != NULL) {
wlr_log(WLR_DEBUG, "seat %p dropped pointer", (void *)wl_seat);
+ struct wl_pointer *wl_pointer = seat->pointer;
+
struct wlr_input_device *device, *tmp;
wl_list_for_each_safe(device, tmp, &backend->devices, link) {
- if (device->type == WLR_INPUT_DEVICE_POINTER) {
- wlr_input_device_destroy(device);
+ if (device->type != WLR_INPUT_DEVICE_POINTER) {
+ continue;
}
+ struct wlr_wl_pointer *pointer = pointer_get_wl(device->pointer);
+ if (pointer->wl_pointer != wl_pointer) {
+ continue;
+ }
+ wlr_log(WLR_DEBUG, "dropping pointer %s",
+ pointer->input_device->wlr_input_device.name);
+ wlr_input_device_destroy(device);
+ assert(backend->current_pointer != pointer);
}
wl_pointer_release(seat->pointer);
@@ -774,9 +791,16 @@ static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
struct wlr_input_device *device, *tmp;
wl_list_for_each_safe(device, tmp, &backend->devices, link) {
- if (device->type == WLR_INPUT_DEVICE_KEYBOARD) {
- wlr_input_device_destroy(device);
+ if (device->type != WLR_INPUT_DEVICE_KEYBOARD) {
+ continue;
+ }
+
+ struct wlr_wl_input_device *input_device =
+ get_wl_input_device_from_input_device(device);
+ if (input_device->seat != seat) {
+ continue;
}
+ wlr_input_device_destroy(device);
}
assert(seat->keyboard == NULL); // free'ed by input_device_destroy
}