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Merge pull request #431 from emersion/refactor-wlr-list

Browse source 
Refactor wlr_list
This commit is contained in:
Drew DeVault 2017-11-20 15:32:47 -05:00 committed by GitHub
commit 6bde8dd56b
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 119 additions and 112 deletions
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15
backend/libinput/backend.c
View file

@ -69,9 +69,9 @@ static bool wlr_libinput_backend_start(struct wlr_backend *_backend) {
no_devs = NULL;
}
}
if (!no_devs && backend->wlr_device_lists->length == 0) {
if (!no_devs && backend->wlr_device_lists.length == 0) {
wlr_libinput_readable(libinput_fd, WL_EVENT_READABLE, backend);
if (backend->wlr_device_lists->length == 0) {
if (backend->wlr_device_lists.length == 0) {
wlr_log(L_ERROR, "libinput initialization failed, no input devices");
wlr_log(L_ERROR, "Set WLR_LIBINPUT_NO_DEVICES=1 to suppress this check");
return false;
@ -97,9 +97,10 @@ static void wlr_libinput_backend_destroy(struct wlr_backend *_backend) {
if (!_backend) {
return;
}
struct wlr_libinput_backend *backend = (struct wlr_libinput_backend *)_backend;
for (size_t i = 0; i < backend->wlr_device_lists->length; i++) {
struct wl_list *wlr_devices = backend->wlr_device_lists->items[i];
struct wlr_libinput_backend *backend =
(struct wlr_libinput_backend *)_backend;
for (size_t i = 0; i < backend->wlr_device_lists.length; i++) {
struct wl_list *wlr_devices = backend->wlr_device_lists.items[i];
struct wlr_input_device *wlr_dev, *next;
wl_list_for_each_safe(wlr_dev, next, wlr_devices, link) {
wl_signal_emit(&backend->backend.events.input_remove, wlr_dev);
@ -107,7 +108,7 @@ static void wlr_libinput_backend_destroy(struct wlr_backend *_backend) {
}
free(wlr_devices);
}
wlr_list_free(backend->wlr_device_lists);
wlr_list_finish(&backend->wlr_device_lists);
wl_event_source_remove(backend->input_event);
libinput_unref(backend->libinput_context);
free(backend);
@ -148,7 +149,7 @@ struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
}
wlr_backend_init(&backend->backend, &backend_impl);
if (!(backend->wlr_device_lists = wlr_list_create())) {
if (!wlr_list_init(&backend->wlr_device_lists)) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
goto error_backend;
}

8
backend/libinput/events.c
View file

@ -147,7 +147,7 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
if (wl_list_length(wlr_devices) > 0) {
libinput_device_set_user_data(libinput_dev, wlr_devices);
wlr_list_add(backend->wlr_device_lists, wlr_devices);
wlr_list_push(&backend->wlr_device_lists, wlr_devices);
} else {
free(wlr_devices);
}
@ -177,9 +177,9 @@ static void handle_device_removed(struct wlr_libinput_backend *backend,
wl_signal_emit(&backend->backend.events.input_remove, dev);
wlr_input_device_destroy(dev);
}
for (size_t i = 0; i < backend->wlr_device_lists->length; i++) {
if (backend->wlr_device_lists->items[i] == wlr_devices) {
wlr_list_del(backend->wlr_device_lists, i);
for (size_t i = 0; i < backend->wlr_device_lists.length; i++) {
if (backend->wlr_device_lists.items[i] == wlr_devices) {
wlr_list_del(&backend->wlr_device_lists, i);
break;
}
}

33
examples/pointer.c
View file

@ -46,7 +46,7 @@ struct sample_state {
struct wl_listener touch_up;
struct wl_listener touch_down;
struct wl_listener touch_cancel;
struct wlr_list *touch_points;
struct wl_list touch_points;
struct wl_listener tablet_tool_axis;
struct wl_listener tablet_tool_proxmity;
@ -57,22 +57,25 @@ struct sample_state {
struct touch_point {
int32_t touch_id;
double x, y;
struct wl_list link;
};
static void warp_to_touch(struct sample_state *sample,
struct wlr_input_device *dev) {
if (sample->touch_points->length == 0) {
if (wl_list_empty(&sample->touch_points)) {
return;
}
double x = 0, y = 0;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
size_t n = 0;
struct touch_point *point;
wl_list_for_each(point, &sample->touch_points, link) {
x += point->x;
y += point->y;
n++;
}
x /= sample->touch_points->length;
y /= sample->touch_points->length;
x /= n;
y /= n;
wlr_cursor_warp_absolute(sample->cursor, dev, x, y);
}
@ -197,10 +200,11 @@ static void handle_cursor_axis(struct wl_listener *listener, void *data) {
static void handle_touch_up(struct wl_listener *listener, void *data) {
struct sample_state *sample = wl_container_of(listener, sample, touch_up);
struct wlr_event_touch_up *event = data;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
struct touch_point *point, *tmp;
wl_list_for_each_safe(point, tmp, &sample->touch_points, link) {
if (point->touch_id == event->touch_id) {
wlr_list_del(sample->touch_points, i);
wl_list_remove(&point->link);
break;
}
}
@ -215,9 +219,7 @@ static void handle_touch_down(struct wl_listener *listener, void *data) {
point->touch_id = event->touch_id;
point->x = event->x_mm / event->width_mm;
point->y = event->y_mm / event->height_mm;
if (wlr_list_add(sample->touch_points, point) == -1) {
free(point);
}
wl_list_insert(&sample->touch_points, &point->link);
warp_to_touch(sample, event->device);
}
@ -226,8 +228,9 @@ static void handle_touch_motion(struct wl_listener *listener, void *data) {
struct sample_state *sample =
wl_container_of(listener, sample, touch_motion);
struct wlr_event_touch_motion *event = data;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
struct touch_point *point;
wl_list_for_each(point, &sample->touch_points, link) {
if (point->touch_id == event->touch_id) {
point->x = event->x_mm / event->width_mm;
point->y = event->y_mm / event->height_mm;
@ -257,7 +260,6 @@ int main(int argc, char *argv[]) {
struct sample_state state = {
.default_color = { 0.25f, 0.25f, 0.25f, 1 },
.clear_color = { 0.25f, 0.25f, 0.25f, 1 },
.touch_points = wlr_list_create(),
};
state.config = parse_args(argc, argv);
@ -266,6 +268,7 @@ int main(int argc, char *argv[]) {
wlr_cursor_attach_output_layout(state.cursor, state.layout);
wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_box);
wl_list_init(&state.devices);
wl_list_init(&state.touch_points);
// pointer events
wl_signal_add(&state.cursor->events.motion, &state.cursor_motion);

29
examples/touch.c
View file

@ -24,12 +24,13 @@
struct sample_state {
struct wlr_renderer *renderer;
struct wlr_texture *cat_texture;
struct wlr_list *touch_points;
struct wl_list touch_points;
};
struct touch_point {
int32_t touch_id;
double x, y;
struct wl_list link;
};
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
@ -44,14 +45,14 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
wlr_renderer_begin(sample->renderer, wlr_output);
float matrix[16];
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *p = sample->touch_points->items[i];
struct touch_point *p;
wl_list_for_each(p, &sample->touch_points, link) {
wlr_texture_get_matrix(sample->cat_texture, &matrix,
&wlr_output->transform_matrix,
(int)(p->x * width) - sample->cat_texture->width / 2,
(int)(p->y * height) - sample->cat_texture->height / 2);
wlr_render_with_matrix(sample->renderer,
sample->cat_texture, &matrix);
sample->cat_texture, &matrix);
}
wlr_renderer_end(sample->renderer);
@ -65,17 +66,15 @@ static void handle_touch_down(struct touch_state *tstate, int32_t touch_id,
point->touch_id = touch_id;
point->x = x / width;
point->y = y / height;
if (wlr_list_add(sample->touch_points, point) == -1) {
free(point);
}
wl_list_insert(&sample->touch_points, &point->link);
}
static void handle_touch_up(struct touch_state *tstate, int32_t touch_id) {
struct sample_state *sample = tstate->compositor->data;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
struct touch_point *point, *tmp;
wl_list_for_each_safe(point, tmp, &sample->touch_points, link) {
if (point->touch_id == touch_id) {
wlr_list_del(sample->touch_points, i);
wl_list_remove(&point->link);
break;
}
}
@ -84,8 +83,8 @@ static void handle_touch_up(struct touch_state *tstate, int32_t touch_id) {
static void handle_touch_motion(struct touch_state *tstate, int32_t touch_id,
double x, double y, double width, double height) {
struct sample_state *sample = tstate->compositor->data;
for (size_t i = 0; i < sample->touch_points->length; ++i) {
struct touch_point *point = sample->touch_points->items[i];
struct touch_point *point;
wl_list_for_each(point, &sample->touch_points, link) {
if (point->touch_id == touch_id) {
point->x = x / width;
point->y = y / height;
@ -95,9 +94,9 @@ static void handle_touch_motion(struct touch_state *tstate, int32_t touch_id,
}
int main(int argc, char *argv[]) {
struct sample_state state = {
.touch_points = wlr_list_create()
};
struct sample_state state;
wl_list_init(&state.touch_points);
struct compositor_state compositor = { 0,
.data = &state,
.output_frame_cb = handle_output_frame,

1
include/backend/drm/drm.h
View file

@ -14,7 +14,6 @@
#include <wlr/backend/drm.h>
#include <wlr/types/wlr_output.h>
#include <wlr/render/egl.h>
#include <wlr/types/wlr_list.h>
#include "iface.h"
#include "properties.h"

2
include/backend/libinput.h
View file

@ -18,7 +18,7 @@ struct wlr_libinput_backend {
struct wl_listener session_signal;
struct wlr_list *wlr_device_lists;
struct wlr_list wlr_device_lists; // list of struct wl_list
};
struct wlr_libinput_input_device {

73
include/wlr/types/wlr_list.h
View file

@ -2,6 +2,7 @@
#define WLR_UTIL_LIST_H
#include <stddef.h>
#include <stdbool.h>
struct wlr_list {
size_t capacity;
@ -10,51 +11,65 @@ struct wlr_list {
};
/**
* Creates a new list, may return `NULL` on failure
* Initialize a list. Returns true on success, false on failure.
*/
struct wlr_list *wlr_list_create(void);
void wlr_list_free(struct wlr_list *list);
void wlr_list_foreach(struct wlr_list *list, void (*callback)(void *item));
bool wlr_list_init(struct wlr_list *list);
/**
* Deinitialize a list.
*/
void wlr_list_finish(struct wlr_list *list);
/**
* Executes `callback` on each element in the list.
*/
void wlr_list_for_each(struct wlr_list *list, void (*callback)(void *item));
/**
* Add `item` to the end of a list.
* Returns: new list length or `-1` on failure
* Returns: new list length or `-1` on failure.
*/
int wlr_list_add(struct wlr_list *list, void *item);
ssize_t wlr_list_push(struct wlr_list *list, void *item);
/**
* Add `item` to the end of a list.
* Returns: new list length or `-1` on failure
* Place `item` into index `index` in the list.
* Returns: new list length or `-1` on failure.
*/
int wlr_list_push(struct wlr_list *list, void *item);
ssize_t wlr_list_insert(struct wlr_list *list, size_t index, void *item);
/**
* Place `item` into index `index` in the list
* Returns: new list length or `-1` on failure
*/
int wlr_list_insert(struct wlr_list *list, size_t index, void *item);
/**
* Remove an item from the list
* Remove an item from the list.
*/
void wlr_list_del(struct wlr_list *list, size_t index);
/**
* Remove and return an item from the end of the list
* Remove and return an item from the end of the list.
*/
void *wlr_list_pop(struct wlr_list *list);
/**
* Get a reference to the last item of a list without removal
* Get a reference to the last item of a list without removal.
*/
void *wlr_list_peek(struct wlr_list *list);
/**
* Append each item in `source` to `list`
* Does not modify `source`
* Returns: new list length or `-1` on failure
* Append each item in `source` to `list`.
* Does not modify `source`.
* Returns: new list length or `-1` on failure.
*/
int wlr_list_cat(struct wlr_list *list, struct wlr_list *source);
// See qsort. Remember to use *_qsort functions as compare functions,
// because they dereference the left and right arguments first!
void wlr_list_qsort(struct wlr_list *list, int compare(const void *left, const void *right));
// Return index for first item in list that returns 0 for given compare
// function or -1 if none matches.
int wlr_list_seq_find(struct wlr_list *list,
int compare(const void *item, const void *cmp_to),
const void *cmp_to);
ssize_t wlr_list_cat(struct wlr_list *list, const struct wlr_list *source);
/**
* Sort a list using `qsort`.
*/
void wlr_list_qsort(struct wlr_list *list,
int compare(const void *left, const void *right));
/**
* Return the index of the first item in the list that returns 0 for the given
* `compare` function, or -1 if none matches.
*/
ssize_t wlr_list_find(struct wlr_list *list,
int compare(const void *item, const void *cmp_to), const void *cmp_to);
#endif

2
include/wlr/xwayland.h
View file

@ -5,7 +5,6 @@
#include <stdbool.h>
#include <wlr/types/wlr_compositor.h>
#include <xcb/xcb.h>
#include <wlr/types/wlr_list.h>
#ifdef HAS_XCB_ICCCM
#include <xcb/xcb_icccm.h>
@ -86,7 +85,6 @@ struct wlr_xwayland_surface {
char *class;
char *instance;
struct wlr_xwayland_surface *parent;
struct wlr_list *state; // list of xcb_atom_t
pid_t pid;
xcb_atom_t *window_type;

66
types/wlr_list.c
View file

@ -3,26 +3,23 @@
#include <stdbool.h>
#include <string.h>
#include <stddef.h>
#include <sys/types.h>
#include <wlr/types/wlr_list.h>
struct wlr_list *wlr_list_create(void) {
struct wlr_list *list = malloc(sizeof(struct wlr_list));
if (!list) {
return NULL;
}
bool wlr_list_init(struct wlr_list *list) {
list->capacity = 10;
list->length = 0;
list->items = malloc(sizeof(void*) * list->capacity);
if (!list->items) {
free(list);
return NULL;
list->items = malloc(sizeof(void *) * list->capacity);
if (list->items == NULL) {
return false;
}
return list;
return true;
}
static bool list_resize(struct wlr_list *list) {
if (list->length == list->capacity) {
void *new_items = realloc(list->items, sizeof(void*) * (list->capacity + 10));
void *new_items = realloc(list->items,
sizeof(void *) * (list->capacity + 10));
if (!new_items) {
return false;
}
@ -32,24 +29,17 @@ static bool list_resize(struct wlr_list *list) {
return true;
}
void wlr_list_free(struct wlr_list *list) {
if (list == NULL) {
return;
}
void wlr_list_finish(struct wlr_list *list) {
free(list->items);
free(list);
}
void wlr_list_foreach(struct wlr_list *list, void (*callback)(void *item)) {
if (list == NULL || callback == NULL) {
return;
}
void wlr_list_for_each(struct wlr_list *list, void (*callback)(void *item)) {
for (size_t i = 0; i < list->length; i++) {
callback(list->items[i]);
}
}
int wlr_list_add(struct wlr_list *list, void *item) {
ssize_t wlr_list_push(struct wlr_list *list, void *item) {
if (!list_resize(list)) {
return -1;
}
@ -57,15 +47,12 @@ int wlr_list_add(struct wlr_list *list, void *item) {
return list->length;
}
int wlr_list_push(struct wlr_list *list, void *item) {
return wlr_list_add(list, item);
}
int wlr_list_insert(struct wlr_list *list, size_t index, void *item) {
ssize_t wlr_list_insert(struct wlr_list *list, size_t index, void *item) {
if (!list_resize(list)) {
return -1;
}
memmove(&list->items[index + 1], &list->items[index], sizeof(void*) * (list->length - index));
memmove(&list->items[index + 1], &list->items[index],
sizeof(void *) * (list->length - index));
list->length++;
list->items[index] = item;
return list->length;
@ -73,24 +60,31 @@ int wlr_list_insert(struct wlr_list *list, size_t index, void *item) {
void wlr_list_del(struct wlr_list *list, size_t index) {
list->length--;
memmove(&list->items[index], &list->items[index + 1], sizeof(void*) * (list->length - index));
memmove(&list->items[index], &list->items[index + 1],
sizeof(void *) * (list->length - index));
}
void *wlr_list_pop(struct wlr_list *list) {
void *_ = list->items[list->length - 1];
if (list->length == 0) {
return NULL;
}
void *last = list->items[list->length - 1];
wlr_list_del(list, list->length - 1);
return _;
return last;
}
void *wlr_list_peek(struct wlr_list *list) {
if (list->length == 0) {
return NULL;
}
return list->items[list->length - 1];
}
int wlr_list_cat(struct wlr_list *list, struct wlr_list *source) {
ssize_t wlr_list_cat(struct wlr_list *list, const struct wlr_list *source) {
size_t old_len = list->length;
size_t i;
for (i = 0; i < source->length; ++i) {
if (wlr_list_add(list, source->items[i]) == -1) {
if (wlr_list_push(list, source->items[i]) == -1) {
list->length = old_len;
return -1;
}
@ -98,13 +92,13 @@ int wlr_list_cat(struct wlr_list *list, struct wlr_list *source) {
return list->length;
}
void wlr_list_qsort(struct wlr_list *list, int compare(const void *left, const void *right)) {
void wlr_list_qsort(struct wlr_list *list,
int compare(const void *left, const void *right)) {
qsort(list->items, list->length, sizeof(void *), compare);
}
int wlr_list_seq_find(struct wlr_list *list,
int compare(const void *item, const void *data),
const void *data) {
ssize_t wlr_list_find(struct wlr_list *list,
int compare(const void *item, const void *data), const void *data) {
for (size_t i = 0; i < list->length; i++) {
void *item = list->items[i];
if (compare(item, data) == 0) {

1
types/wlr_output.c
View file

@ -9,7 +9,6 @@
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/types/wlr_list.h>
#include <wlr/util/log.h>
#include <GLES2/gl2.h>
#include <wlr/render/matrix.h>

1
xwayland/xwm.c
View file

@ -218,7 +218,6 @@ static void wlr_xwayland_surface_destroy(
free(xsurface->title);
free(xsurface->class);
free(xsurface->instance);
wlr_list_free(xsurface->state);
free(xsurface->window_type);
free(xsurface->protocols);
free(xsurface->hints);