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cursor: expose a wlr_touch device

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Instead of copy-pasting all wlr_touch events, expose a wlr_touch
device which emits the union of all aggregated touch devices.

References: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3398
This commit is contained in:
Simon Ser 2022-05-27 18:12:38 +02:00
parent 4f5d6e4746
commit d74a40a320
3 changed files with 21 additions and 23 deletions
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27
types/wlr_cursor.c
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@ -3,13 +3,13 @@
#include <math.h>
#include <stdlib.h>
#include <wayland-server-core.h>
#include <wlr/interfaces/wlr_touch.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_pointer.h>
#include <wlr/types/wlr_tablet_tool.h>
#include <wlr/types/wlr_touch.h>
#include <wlr/util/box.h>
#include <wlr/util/log.h>
#include "util/signal.h"
@ -70,6 +70,10 @@ struct wlr_cursor_state {
struct wl_listener layout_destroy;
};
static const struct wlr_touch_impl touch_impl = {
.name = "wlr-cursor",
};
struct wlr_cursor *wlr_cursor_create(void) {
struct wlr_cursor *cur = calloc(1, sizeof(struct wlr_cursor));
if (!cur) {
@ -90,6 +94,8 @@ struct wlr_cursor *wlr_cursor_create(void) {
wl_list_init(&cur->state->devices);
wl_list_init(&cur->state->output_cursors);
wlr_touch_init(&cur->touch, &touch_impl, "cursor");
// pointer signals
wl_signal_init(&cur->events.motion);
wl_signal_init(&cur->events.motion_absolute);
@ -105,13 +111,6 @@ struct wlr_cursor *wlr_cursor_create(void) {
wl_signal_init(&cur->events.hold_begin);
wl_signal_init(&cur->events.hold_end);
// touch signals
wl_signal_init(&cur->events.touch_up);
wl_signal_init(&cur->events.touch_down);
wl_signal_init(&cur->events.touch_motion);
wl_signal_init(&cur->events.touch_cancel);
wl_signal_init(&cur->events.touch_frame);
// tablet tool signals
wl_signal_init(&cur->events.tablet_tool_tip);
wl_signal_init(&cur->events.tablet_tool_axis);
@ -192,6 +191,8 @@ void wlr_cursor_destroy(struct wlr_cursor *cur) {
cursor_device_destroy(device);
}
wlr_touch_finish(&cur->touch);
free(cur->state);
free(cur);
}
@ -513,7 +514,7 @@ static void handle_touch_up(struct wl_listener *listener, void *data) {
struct wlr_touch_up_event *event = data;
struct wlr_cursor_device *device;
device = wl_container_of(listener, device, touch_up);
wlr_signal_emit_safe(&device->cursor->events.touch_up, event);
wlr_signal_emit_safe(&device->cursor->touch.events.up, event);
}
static void handle_touch_down(struct wl_listener *listener, void *data) {
@ -526,7 +527,7 @@ static void handle_touch_down(struct wl_listener *listener, void *data) {
if (output) {
apply_output_transform(&event->x, &event->y, output->transform);
}
wlr_signal_emit_safe(&device->cursor->events.touch_down, event);
wlr_signal_emit_safe(&device->cursor->touch.events.down, event);
}
static void handle_touch_motion(struct wl_listener *listener, void *data) {
@ -539,20 +540,20 @@ static void handle_touch_motion(struct wl_listener *listener, void *data) {
if (output) {
apply_output_transform(&event->x, &event->y, output->transform);
}
wlr_signal_emit_safe(&device->cursor->events.touch_motion, event);
wlr_signal_emit_safe(&device->cursor->touch.events.motion, event);
}
static void handle_touch_cancel(struct wl_listener *listener, void *data) {
struct wlr_touch_cancel_event *event = data;
struct wlr_cursor_device *device;
device = wl_container_of(listener, device, touch_cancel);
wlr_signal_emit_safe(&device->cursor->events.touch_cancel, event);
wlr_signal_emit_safe(&device->cursor->touch.events.cancel, event);
}
static void handle_touch_frame(struct wl_listener *listener, void *data) {
struct wlr_cursor_device *device =
wl_container_of(listener, device, touch_frame);
wlr_signal_emit_safe(&device->cursor->events.touch_frame, NULL);
wlr_signal_emit_safe(&device->cursor->touch.events.frame, NULL);
}
static void handle_tablet_tool_tip(struct wl_listener *listener, void *data) {