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cursor: add surface handling

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Only rely on wlr_output_cursor_set_texture(), because
wlr_output_cursor_set_surface() will get dropped.
This commit is contained in:
Simon Ser 2022-05-27 20:05:44 +02:00 committed by Alexander Orzechowski
parent b64e7e88bf
commit 78afce5e2d
1 changed files with 113 additions and 2 deletions
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115
types/wlr_cursor.c
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@ -8,10 +8,12 @@
#include <wlr/types/wlr_output_layout.h> #include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output.h> #include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_pointer.h> #include <wlr/types/wlr_pointer.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_tablet_tool.h> #include <wlr/types/wlr_tablet_tool.h>
#include <wlr/types/wlr_touch.h> #include <wlr/types/wlr_touch.h>
#include <wlr/util/box.h> #include <wlr/util/box.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include "types/wlr_output.h"
struct wlr_cursor_device { struct wlr_cursor_device {
struct wlr_cursor *cursor; struct wlr_cursor *cursor;
@ -54,6 +56,15 @@ struct wlr_cursor_output_cursor {
struct wl_list link; struct wl_list link;
struct wl_listener layout_output_destroy; struct wl_listener layout_output_destroy;
// only when using a surface as the cursor image
struct wlr_surface *surface;
struct {
int32_t x, y;
} surface_hotspot;
struct wl_listener surface_commit;
struct wl_listener surface_destroy;
struct wl_listener output_commit;
}; };
struct wlr_cursor_state { struct wlr_cursor_state {
@ -125,6 +136,9 @@ struct wlr_cursor *wlr_cursor_create(void) {
static void output_cursor_destroy( static void output_cursor_destroy(
struct wlr_cursor_output_cursor *output_cursor) { struct wlr_cursor_output_cursor *output_cursor) {
wl_list_remove(&output_cursor->surface_destroy.link);
wl_list_remove(&output_cursor->surface_commit.link);
wl_list_remove(&output_cursor->output_commit.link);
wl_list_remove(&output_cursor->layout_output_destroy.link); wl_list_remove(&output_cursor->layout_output_destroy.link);
wl_list_remove(&output_cursor->link); wl_list_remove(&output_cursor->link);
wlr_output_cursor_destroy(output_cursor->output_cursor); wlr_output_cursor_destroy(output_cursor->output_cursor);
@ -353,6 +367,42 @@ void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
wlr_cursor_warp_closest(cur, dev, lx, ly); wlr_cursor_warp_closest(cur, dev, lx, ly);
} }
static void cursor_output_cursor_reset_image(
struct wlr_cursor_output_cursor *output_cursor) {
if (output_cursor->surface != NULL) {
wlr_surface_send_leave(output_cursor->surface,
output_cursor->output_cursor->output);
}
wl_list_remove(&output_cursor->surface_destroy.link);
wl_list_remove(&output_cursor->surface_commit.link);
wl_list_remove(&output_cursor->output_commit.link);
wl_list_init(&output_cursor->surface_destroy.link);
wl_list_init(&output_cursor->surface_commit.link);
wl_list_init(&output_cursor->output_commit.link);
output_cursor->surface = NULL;
}
static void output_cursor_output_commit_surface(
struct wlr_cursor_output_cursor *output_cursor) {
struct wlr_surface *surface = output_cursor->surface;
struct wlr_output *output = output_cursor->output_cursor->output;
assert(output_cursor->surface != NULL);
struct wlr_texture *texture = wlr_surface_get_texture(surface);
int32_t hotspot_x = output_cursor->surface_hotspot.x * output->scale;
int32_t hotspot_y = output_cursor->surface_hotspot.y * output->scale;
output_cursor_set_texture(output_cursor->output_cursor, texture, false,
surface->current.scale, surface->current.transform,
hotspot_x, hotspot_y);
if (output_cursor->output_cursor->visible) {
wlr_surface_send_enter(surface, output);
} else {
wlr_surface_send_leave(surface, output);
}
}
void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels, void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x, int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x,
int32_t hotspot_y, float scale) { int32_t hotspot_y, float scale) {
@ -363,17 +413,74 @@ void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
continue; continue;
} }
cursor_output_cursor_reset_image(output_cursor);
wlr_output_cursor_set_image(output_cursor->output_cursor, pixels, wlr_output_cursor_set_image(output_cursor->output_cursor, pixels,
stride, width, height, hotspot_x, hotspot_y); stride, width, height, hotspot_x, hotspot_y);
} }
} }
static void output_cursor_output_handle_surface_destroy(
struct wl_listener *listener, void *data) {
struct wlr_cursor_output_cursor *output_cursor =
wl_container_of(listener, output_cursor, surface_destroy);
assert(output_cursor->surface != NULL);
cursor_output_cursor_reset_image(output_cursor);
}
static void output_cursor_output_handle_surface_commit(
struct wl_listener *listener, void *data) {
struct wlr_cursor_output_cursor *output_cursor =
wl_container_of(listener, output_cursor, surface_commit);
struct wlr_surface *surface = output_cursor->surface;
output_cursor->surface_hotspot.x += surface->current.dx;
output_cursor->surface_hotspot.y += surface->current.dy;
output_cursor_output_commit_surface(output_cursor);
}
static void output_cursor_output_handle_output_commit(
struct wl_listener *listener, void *data) {
struct wlr_cursor_output_cursor *output_cursor =
wl_container_of(listener, output_cursor, output_commit);
const struct wlr_output_event_commit *event = data;
struct wlr_surface *surface = output_cursor->surface;
assert(surface != NULL);
if (output_cursor->output_cursor->visible &&
(event->committed & WLR_OUTPUT_STATE_BUFFER)) {
wlr_surface_send_frame_done(output_cursor->surface, event->when);
}
}
void wlr_cursor_set_surface(struct wlr_cursor *cur, struct wlr_surface *surface, void wlr_cursor_set_surface(struct wlr_cursor *cur, struct wlr_surface *surface,
int32_t hotspot_x, int32_t hotspot_y) { int32_t hotspot_x, int32_t hotspot_y) {
if (surface == NULL) {
wlr_cursor_set_image(cur, NULL, 0, 0, 0, 0, 0, 0);
return;
}
struct wlr_cursor_output_cursor *output_cursor; struct wlr_cursor_output_cursor *output_cursor;
wl_list_for_each(output_cursor, &cur->state->output_cursors, link) { wl_list_for_each(output_cursor, &cur->state->output_cursors, link) {
wlr_output_cursor_set_surface(output_cursor->output_cursor, surface, cursor_output_cursor_reset_image(output_cursor);
hotspot_x, hotspot_y);
output_cursor->surface = surface;
output_cursor->surface_hotspot.x = hotspot_x;
output_cursor->surface_hotspot.y = hotspot_y;
wl_signal_add(&surface->events.destroy,
&output_cursor->surface_destroy);
output_cursor->surface_destroy.notify =
output_cursor_output_handle_surface_destroy;
wl_signal_add(&surface->events.commit,
&output_cursor->surface_commit);
output_cursor->surface_commit.notify =
output_cursor_output_handle_surface_commit;
wl_signal_add(&output_cursor->output_cursor->output->events.commit,
&output_cursor->output_commit);
output_cursor->output_commit.notify =
output_cursor_output_handle_output_commit;
} }
} }
@ -802,6 +909,10 @@ static void layout_add(struct wlr_cursor_state *state,
} }
output_cursor->cursor = state->cursor; output_cursor->cursor = state->cursor;
wl_list_init(&output_cursor->surface_destroy.link);
wl_list_init(&output_cursor->surface_commit.link);
wl_list_init(&output_cursor->output_commit.link);
output_cursor->output_cursor = wlr_output_cursor_create(l_output->output); output_cursor->output_cursor = wlr_output_cursor_create(l_output->output);
if (output_cursor->output_cursor == NULL) { if (output_cursor->output_cursor == NULL) {
wlr_log(WLR_ERROR, "Failed to create wlr_output_cursor"); wlr_log(WLR_ERROR, "Failed to create wlr_output_cursor");