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Merge pull request #120 from acrisci/feature/wlr-cursor

Browse source 
wlr_cursor
This commit is contained in:
Drew DeVault 2017-08-29 12:12:18 -05:00 committed by GitHub
commit 6daf9e9ab2
30 changed files with 1957 additions and 281 deletions
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1
.gitignore vendored
View file

@ -12,3 +12,4 @@ test/
build/
.lvimrc
wayland-*-protocol.*
wlr-example.ini

27
backend/drm/drm.c
View file

@ -598,6 +598,8 @@ static bool wlr_drm_output_set_cursor(struct wlr_output *_output,
wlr_matrix_texture(plane->matrix, plane->width, plane->height,
output->output.transform ^ WL_OUTPUT_TRANSFORM_FLIPPED_180);
// TODO the image needs to be rotated depending on the output rotation
plane->wlr_rend = wlr_gles2_renderer_create(&backend->backend);
if (!plane->wlr_rend) {
return false;
@ -651,6 +653,31 @@ static bool wlr_drm_output_move_cursor(struct wlr_output *_output,
struct wlr_drm_output *output = (struct wlr_drm_output *)_output;
struct wlr_drm_backend *backend =
wl_container_of(output->renderer, backend, renderer);
int width, height, tmp;
wlr_output_effective_resolution(_output, &width, &height);
switch (_output->transform) {
case WL_OUTPUT_TRANSFORM_NORMAL:
// nothing to do
break;
case WL_OUTPUT_TRANSFORM_270:
tmp = x;
x = y;
y = -(tmp - width);
break;
case WL_OUTPUT_TRANSFORM_90:
tmp = x;
x = -(y - height);
y = tmp;
break;
default:
// TODO other transformations
wlr_log(L_ERROR, "TODO: handle surface to crtc for transformation = %d",
_output->transform);
break;
}
return backend->iface->crtc_move_cursor(backend, output->crtc, x, y);
}

4
backend/libinput/pointer.c
View file

@ -30,6 +30,7 @@ void handle_pointer_motion(struct libinput_event *event,
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_event_pointer_motion wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_pointer_get_time(pevent);
wlr_event.time_usec = libinput_event_pointer_get_time_usec(pevent);
wlr_event.delta_x = libinput_event_pointer_get_dx(pevent);
@ -48,6 +49,7 @@ void handle_pointer_motion_abs(struct libinput_event *event,
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_event_pointer_motion_absolute wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_pointer_get_time(pevent);
wlr_event.time_usec = libinput_event_pointer_get_time_usec(pevent);
wlr_event.x_mm = libinput_event_pointer_get_absolute_x(pevent);
@ -67,6 +69,7 @@ void handle_pointer_button(struct libinput_event *event,
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_event_pointer_button wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_pointer_get_time(pevent);
wlr_event.time_usec = libinput_event_pointer_get_time_usec(pevent);
wlr_event.button = libinput_event_pointer_get_button(pevent);
@ -92,6 +95,7 @@ void handle_pointer_axis(struct libinput_event *event,
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_event_pointer_axis wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_pointer_get_time(pevent);
wlr_event.time_usec = libinput_event_pointer_get_time_usec(pevent);
switch (libinput_event_pointer_get_axis_source(pevent)) {

4
backend/libinput/tablet_tool.c
View file

@ -30,6 +30,7 @@ void handle_tablet_tool_axis(struct libinput_event *event,
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_event_tablet_tool_axis wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event.time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
libinput_device_get_size(libinput_dev, &wlr_event.width_mm, &wlr_event.height_mm);
@ -83,6 +84,7 @@ void handle_tablet_tool_proximity(struct libinput_event *event,
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_event_tablet_tool_proximity wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event.time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
switch (libinput_event_tablet_tool_get_proximity_state(tevent)) {
@ -109,6 +111,7 @@ void handle_tablet_tool_tip(struct libinput_event *event,
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_event_tablet_tool_tip wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event.time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
switch (libinput_event_tablet_tool_get_tip_state(tevent)) {
@ -134,6 +137,7 @@ void handle_tablet_tool_button(struct libinput_event *event,
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_event_tablet_tool_button wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event.time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
wlr_event.button = libinput_event_tablet_tool_get_button(tevent);

4
backend/libinput/touch.c
View file

@ -30,6 +30,7 @@ void handle_touch_down(struct libinput_event *event,
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_event_touch_down wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_touch_get_time(tevent);
wlr_event.time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event.slot = libinput_event_touch_get_slot(tevent);
@ -50,6 +51,7 @@ void handle_touch_up(struct libinput_event *event,
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_event_touch_up wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_touch_get_time(tevent);
wlr_event.time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event.slot = libinput_event_touch_get_slot(tevent);
@ -67,6 +69,7 @@ void handle_touch_motion(struct libinput_event *event,
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_event_touch_motion wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_touch_get_time(tevent);
wlr_event.time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event.slot = libinput_event_touch_get_slot(tevent);
@ -87,6 +90,7 @@ void handle_touch_cancel(struct libinput_event *event,
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_event_touch_cancel wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_sec = libinput_event_touch_get_time(tevent);
wlr_event.time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event.slot = libinput_event_touch_get_slot(tevent);

3
backend/wayland/wl_seat.c
View file

@ -51,6 +51,7 @@ static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
wl_egl_window_get_attached_size(wlr_wl_pointer->current_output->egl_window,
&width, &height);
struct wlr_event_pointer_motion_absolute wlr_event;
wlr_event.device = dev;
wlr_event.time_sec = time / 1000;
wlr_event.time_usec = time * 1000;
wlr_event.width_mm = width;
@ -66,6 +67,7 @@ static void pointer_handle_button(void *data, struct wl_pointer *wl_pointer,
assert(dev && dev->pointer);
struct wlr_event_pointer_button wlr_event;
wlr_event.device = dev;
wlr_event.button = button;
wlr_event.state = state;
wlr_event.time_sec = time / 1000;
@ -80,6 +82,7 @@ static void pointer_handle_axis(void *data, struct wl_pointer *wl_pointer,
struct wlr_wl_pointer *wlr_wl_pointer = (struct wlr_wl_pointer *)dev->pointer;
struct wlr_event_pointer_axis wlr_event;
wlr_event.device = dev;
wlr_event.delta = value;
wlr_event.orientation = axis;
wlr_event.time_sec = time / 1000;

303
examples/config.c Normal file
View file

@ -0,0 +1,303 @@
#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200809L
#endif
#include <stdlib.h>
#include <limits.h>
#include <getopt.h>
#include <string.h>
#include <unistd.h>
#include <sys/param.h>
#include <wlr/util/log.h>
#include <wlr/types/wlr_box.h>
#include "shared.h"
#include "config.h"
#include "ini.h"
static void usage(const char *name, int ret) {
fprintf(stderr,
"usage: %s [-C <FILE>]\n"
"\n"
" -C <FILE> Path to the configuration file\n"
" (default: wlr-example.ini).\n"
" See `examples/wlr-example.ini.example` for config\n"
" file documentation.\n", name);
exit(ret);
}
static struct wlr_box *parse_geometry(const char *str) {
// format: {width}x{height}+{x}+{y}
if (strlen(str) > 255) {
wlr_log(L_ERROR, "cannot parse geometry string, too long");
return NULL;
}
char *buf = strdup(str);
struct wlr_box *box = calloc(1, sizeof(struct wlr_box));
bool has_width = false;
bool has_height = false;
bool has_x = false;
bool has_y = false;
char *pch = strtok(buf, "x+");
while (pch != NULL) {
errno = 0;
char *endptr;
long val = strtol(pch, &endptr, 0);
if ((errno == ERANGE && (val == LONG_MAX || val == LONG_MIN)) ||
(errno != 0 && val == 0)) {
goto invalid_input;
}
if (endptr == pch) {
goto invalid_input;
}
if (!has_width) {
box->width = val;
has_width = true;
} else if (!has_height) {
box->height = val;
has_height = true;
} else if (!has_x) {
box->x = val;
has_x = true;
} else if (!has_y) {
box->y = val;
has_y = true;
} else {
break;
}
pch = strtok(NULL, "x+");
}
if (!has_width || !has_height) {
goto invalid_input;
}
free(buf);
return box;
invalid_input:
wlr_log(L_ERROR, "could not parse geometry string: %s", str);
free(buf);
free(box);
return NULL;
}
static const char *output_prefix = "output:";
static const char *device_prefix = "device:";
static int config_ini_handler(void *user, const char *section, const char *name,
const char *value) {
struct example_config *config = user;
if (strncmp(output_prefix, section, strlen(output_prefix)) == 0) {
const char *output_name = section + strlen(output_prefix);
struct output_config *oc;
bool found = false;
wl_list_for_each(oc, &config->outputs, link) {
if (strcmp(oc->name, output_name) == 0) {
found = true;
break;
}
}
if (!found) {
oc = calloc(1, sizeof(struct output_config));
oc->name = strdup(output_name);
oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
wl_list_insert(&config->outputs, &oc->link);
}
if (strcmp(name, "x") == 0) {
oc->x = strtol(value, NULL, 10);
} else if (strcmp(name, "y") == 0) {
oc->y = strtol(value, NULL, 10);
} else if (strcmp(name, "rotate") == 0) {
if (strcmp(value, "90") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_90;
} else if (strcmp(value, "180") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_180;
} else if (strcmp(value, "270") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_270;
} else if (strcmp(value, "flipped") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED;
} else if (strcmp(value, "flipped-90") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED_90;
} else if (strcmp(value, "flipped-180") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED_180;
} else if (strcmp(value, "flipped-270") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED_270;
} else {
wlr_log(L_ERROR, "got unknown transform value: %s", value);
}
}
} else if (strcmp(section, "cursor") == 0) {
if (strcmp(name, "map-to-output") == 0) {
free(config->cursor.mapped_output);
config->cursor.mapped_output = strdup(value);
} else if (strcmp(name, "geometry") == 0) {
free(config->cursor.mapped_box);
config->cursor.mapped_box = parse_geometry(value);
} else {
wlr_log(L_ERROR, "got unknown cursor config: %s", name);
}
} else if (strncmp(device_prefix, section, strlen(device_prefix)) == 0) {
const char *device_name = section + strlen(device_prefix);
struct device_config *dc;
bool found = false;
wl_list_for_each(dc, &config->devices, link) {
if (strcmp(dc->name, device_name) == 0) {
found = true;
break;
}
}
if (!found) {
dc = calloc(1, sizeof(struct device_config));
dc->name = strdup(device_name);
wl_list_insert(&config->devices, &dc->link);
}
if (strcmp(name, "map-to-output") == 0) {
free(dc->mapped_output);
dc->mapped_output = strdup(value);
} else if (strcmp(name, "geometry") == 0) {
free(dc->mapped_box);
dc->mapped_box = parse_geometry(value);
} else {
wlr_log(L_ERROR, "got unknown device config: %s", name);
}
} else {
wlr_log(L_ERROR, "got unknown config section: %s", section);
}
return 1;
}
struct example_config *parse_args(int argc, char *argv[]) {
struct example_config *config = calloc(1, sizeof(struct example_config));
wl_list_init(&config->outputs);
wl_list_init(&config->devices);
int c;
while ((c = getopt(argc, argv, "C:h")) != -1) {
switch (c) {
case 'C':
config->config_path = strdup(optarg);
break;
case 'h':
case '?':
usage(argv[0], c != 'h');
}
}
if (!config->config_path) {
// get the config path from the current directory
char cwd[MAXPATHLEN];
if (getcwd(cwd, sizeof(cwd)) != NULL) {
char buf[MAXPATHLEN];
snprintf(buf, MAXPATHLEN, "%s/%s", cwd, "wlr-example.ini");
config->config_path = strdup(buf);
} else {
wlr_log(L_ERROR, "could not get cwd");
exit(1);
}
}
int result = ini_parse(config->config_path, config_ini_handler, config);
if (result == -1) {
wlr_log(L_DEBUG, "No config file found. Using empty config.");
} else if (result == -2) {
wlr_log(L_ERROR, "Could not allocate memory to parse config file");
exit(1);
} else if (result != 0) {
wlr_log(L_ERROR, "Could not parse config file");
exit(1);
}
return config;
}
void example_config_destroy(struct example_config *config) {
struct output_config *oc, *otmp = NULL;
wl_list_for_each_safe(oc, otmp, &config->outputs, link) {
free(oc->name);
free(oc);
}
struct device_config *dc, *dtmp = NULL;
wl_list_for_each_safe(dc, dtmp, &config->devices, link) {
free(dc->name);
if (dc->mapped_output) {
free(dc->mapped_output);
}
if (dc->mapped_box) {
free(dc->mapped_box);
}
free(dc);
}
if (config->config_path) {
free(config->config_path);
}
if (config->cursor.mapped_output) {
free(config->cursor.mapped_output);
}
if (config->cursor.mapped_box) {
free(config->cursor.mapped_box);
}
free(config);
}
struct wlr_output_layout *configure_layout(struct example_config *config,
struct wl_list *outputs) {
struct wlr_output_layout *layout = wlr_output_layout_init();
int max_x = INT_MIN;
int max_x_y = INT_MIN; // y value for the max_x output
// first add all the configured outputs
struct output_state *output;
wl_list_for_each(output, outputs, link) {
struct output_config *conf;
wl_list_for_each(conf, &config->outputs, link) {
if (strcmp(conf->name, output->output->name) == 0) {
wlr_output_layout_add(layout, output->output,
conf->x, conf->y);
wlr_output_transform(output->output, conf->transform);
int width, height;
wlr_output_effective_resolution(output->output, &width,
&height);
if (conf->x + width > max_x) {
max_x = conf->x + width;
max_x_y = conf->y;
}
break;
}
}
}
if (max_x == INT_MIN) {
// couldn't find a configured output
max_x = 0;
max_x_y = 0;
}
// now add all the other configured outputs in a sensible position
wl_list_for_each(output, outputs, link) {
if (wlr_output_layout_get(layout, output->output)) {
continue;
}
wlr_output_layout_add(layout, output->output, max_x, max_x_y);
int width, height;
wlr_output_effective_resolution(output->output, &width, &height);
max_x += width;
}
return layout;
}

39
examples/config.h Normal file
View file

@ -0,0 +1,39 @@
#ifndef _EXAMPLE_CONFIG_H
#define _EXAMPLE_CONFIG_H
#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200112L
#endif
#include <wlr/types/wlr_output_layout.h>
struct output_config {
char *name;
enum wl_output_transform transform;
int x, y;
struct wl_list link;
};
struct device_config {
char *name;
char *mapped_output;
struct wlr_box *mapped_box;
struct wl_list link;
};
struct example_config {
struct {
char *mapped_output;
struct wlr_box *mapped_box;
} cursor;
struct wl_list outputs;
struct wl_list devices;
char *config_path;
};
struct example_config *parse_args(int argc, char *argv[]);
void example_config_destroy(struct example_config *config);
struct wlr_output_layout *configure_layout(struct example_config *config,
struct wl_list *outputs);
#endif

195
examples/ini.c Normal file
View file

@ -0,0 +1,195 @@
/* inih -- simple .INI file parser
inih is released under the New BSD license (see LICENSE.txt). Go to the project
home page for more info:
https://github.com/benhoyt/inih
*/
#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "ini.h"
#if !INI_USE_STACK
#include <stdlib.h>
#endif
#define MAX_SECTION 50
#define MAX_NAME 50
/* Strip whitespace chars off end of given string, in place. Return s. */
static char* rstrip(char* s)
{
char* p = s + strlen(s);
while (p > s && isspace((unsigned char)(*--p)))
*p = '\0';
return s;
}
/* Return pointer to first non-whitespace char in given string. */
static char* lskip(const char* s)
{
while (*s && isspace((unsigned char)(*s)))
s++;
return (char*)s;
}
/* Return pointer to first char (of chars) or inline comment in given string,
or pointer to null at end of string if neither found. Inline comment must
be prefixed by a whitespace character to register as a comment. */
static char* find_chars_or_comment(const char* s, const char* chars)
{
#if INI_ALLOW_INLINE_COMMENTS
int was_space = 0;
while (*s && (!chars || !strchr(chars, *s)) &&
!(was_space && strchr(INI_INLINE_COMMENT_PREFIXES, *s))) {
was_space = isspace((unsigned char)(*s));
s++;
}
#else
while (*s && (!chars || !strchr(chars, *s))) {
s++;
}
#endif
return (char*)s;
}
/* Version of strncpy that ensures dest (size bytes) is null-terminated. */
static char* strncpy0(char* dest, const char* src, size_t size)
{
strncpy(dest, src, size);
dest[size - 1] = '\0';
return dest;
}
/* See documentation in header file. */
int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
void* user)
{
/* Uses a fair bit of stack (use heap instead if you need to) */
#if INI_USE_STACK
char line[INI_MAX_LINE];
#else
char* line;
#endif
char section[MAX_SECTION] = "";
char prev_name[MAX_NAME] = "";
char* start;
char* end;
char* name;
char* value;
int lineno = 0;
int error = 0;
#if !INI_USE_STACK
line = (char*)malloc(INI_MAX_LINE);
if (!line) {
return -2;
}
#endif
/* Scan through stream line by line */
while (reader(line, INI_MAX_LINE, stream) != NULL) {
lineno++;
start = line;
#if INI_ALLOW_BOM
if (lineno == 1 && (unsigned char)start[0] == 0xEF &&
(unsigned char)start[1] == 0xBB &&
(unsigned char)start[2] == 0xBF) {
start += 3;
}
#endif
start = lskip(rstrip(start));
if (*start == ';' || *start == '#') {
/* Per Python configparser, allow both ; and # comments at the
start of a line */
}
#if INI_ALLOW_MULTILINE
else if (*prev_name && *start && start > line) {
/* Non-blank line with leading whitespace, treat as continuation
of previous name's value (as per Python configparser). */
if (!handler(user, section, prev_name, start) && !error)
error = lineno;
}
#endif
else if (*start == '[') {
/* A "[section]" line */
end = find_chars_or_comment(start + 1, "]");
if (*end == ']') {
*end = '\0';
strncpy0(section, start + 1, sizeof(section));
*prev_name = '\0';
}
else if (!error) {
/* No ']' found on section line */
error = lineno;
}
}
else if (*start) {
/* Not a comment, must be a name[=:]value pair */
end = find_chars_or_comment(start, "=:");
if (*end == '=' || *end == ':') {
*end = '\0';
name = rstrip(start);
value = lskip(end + 1);
#if INI_ALLOW_INLINE_COMMENTS
end = find_chars_or_comment(value, NULL);
if (*end)
*end = '\0';
#endif
rstrip(value);
/* Valid name[=:]value pair found, call handler */
strncpy0(prev_name, name, sizeof(prev_name));
if (!handler(user, section, name, value) && !error)
error = lineno;
memset(value, 0, strlen(value));
}
else if (!error) {
/* No '=' or ':' found on name[=:]value line */
error = lineno;
}
}
#if INI_STOP_ON_FIRST_ERROR
if (error)
break;
#endif
}
#if !INI_USE_STACK
free(line);
#endif
return error;
}
/* See documentation in header file. */
int ini_parse_file(FILE* file, ini_handler handler, void* user)
{
return ini_parse_stream((ini_reader)fgets, file, handler, user);
}
/* See documentation in header file. */
int ini_parse(const char* filename, ini_handler handler, void* user)
{
FILE* file;
int error;
file = fopen(filename, "r");
if (!file)
return -1;
error = ini_parse_file(file, handler, user);
fclose(file);
return error;
}

93
examples/ini.h Normal file
View file

@ -0,0 +1,93 @@
/* inih -- simple .INI file parser
inih is released under the New BSD license (see LICENSE.txt). Go to the project
home page for more info:
https://github.com/benhoyt/inih
*/
#ifndef __INI_H__
#define __INI_H__
/* Make this header file easier to include in C++ code */
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
/* Typedef for prototype of handler function. */
typedef int (*ini_handler)(void* user, const char* section,
const char* name, const char* value);
/* Typedef for prototype of fgets-style reader function. */
typedef char* (*ini_reader)(char* str, int num, void* stream);
/* Parse given INI-style file. May have [section]s, name=value pairs
(whitespace stripped), and comments starting with ';' (semicolon). Section
is "" if name=value pair parsed before any section heading. name:value
pairs are also supported as a concession to Python's configparser.
For each name=value pair parsed, call handler function with given user
pointer as well as section, name, and value (data only valid for duration
of handler call). Handler should return nonzero on success, zero on error.
Returns 0 on success, line number of first error on parse error (doesn't
stop on first error), -1 on file open error, or -2 on memory allocation
error (only when INI_USE_STACK is zero).
*/
int ini_parse(const char* filename, ini_handler handler, void* user);
/* Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
close the file when it's finished -- the caller must do that. */
int ini_parse_file(FILE* file, ini_handler handler, void* user);
/* Same as ini_parse(), but takes an ini_reader function pointer instead of
filename. Used for implementing custom or string-based I/O. */
int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
void* user);
/* Nonzero to allow multi-line value parsing, in the style of Python's
configparser. If allowed, ini_parse() will call the handler with the same
name for each subsequent line parsed. */
#ifndef INI_ALLOW_MULTILINE
#define INI_ALLOW_MULTILINE 1
#endif
/* Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
the file. See http://code.google.com/p/inih/issues/detail?id=21 */
#ifndef INI_ALLOW_BOM
#define INI_ALLOW_BOM 1
#endif
/* Nonzero to allow inline comments (with valid inline comment characters
specified by INI_INLINE_COMMENT_PREFIXES). Set to 0 to turn off and match
Python 3.2+ configparser behaviour. */
#ifndef INI_ALLOW_INLINE_COMMENTS
#define INI_ALLOW_INLINE_COMMENTS 1
#endif
#ifndef INI_INLINE_COMMENT_PREFIXES
#define INI_INLINE_COMMENT_PREFIXES ";"
#endif
/* Nonzero to use stack, zero to use heap (malloc/free). */
#ifndef INI_USE_STACK
#define INI_USE_STACK 1
#endif
/* Stop parsing on first error (default is to keep parsing). */
#ifndef INI_STOP_ON_FIRST_ERROR
#define INI_STOP_ON_FIRST_ERROR 0
#endif
/* Maximum line length for any line in INI file. */
#ifndef INI_MAX_LINE
#define INI_MAX_LINE 2000
#endif
#ifdef __cplusplus
}
#endif
#endif /* __INI_H__ */

2
examples/meson.build
View file

@ -1,5 +1,5 @@
lib_shared = static_library('shared',
['shared.c', 'cat.c'],
['shared.c', 'cat.c', 'ini.c', 'config.c'],
dependencies: wlroots)
executable('simple', 'simple.c', dependencies: wlroots, link_with: lib_shared)

5
examples/output-layout.c
View file

@ -22,6 +22,7 @@
#include <wlr/types/wlr_keyboard.h>
#include <math.h>
#include "shared.h"
#include "config.h"
#include "cat.h"
struct sample_state {
@ -49,8 +50,8 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
float matrix[16];
// transform global coordinates to local coordinates
int local_x = sample->x_offs;
int local_y = sample->y_offs;
double local_x = sample->x_offs;
double local_y = sample->y_offs;
wlr_output_layout_output_coords(sample->layout, output->output, &local_x,
&local_y);

397
examples/pointer.c
View file

@ -6,6 +6,7 @@
#include <string.h>
#include <unistd.h>
#include <math.h>
#include <assert.h>
#include <wayland-server.h>
#include <wayland-server-protocol.h>
#include <xkbcommon/xkbcommon.h>
@ -16,19 +17,71 @@
#include <wlr/backend.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_keyboard.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/xcursor.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/util/log.h>
#include "shared.h"
#include "config.h"
#include "cat.h"
struct sample_input_device {
struct wlr_input_device *device;
struct wl_list link;
};
struct sample_state {
struct wlr_xcursor *cursor;
struct compositor_state *compositor;
struct example_config *config;
struct wlr_xcursor *xcursor;
struct wlr_cursor *cursor;
double cur_x, cur_y;
float default_color[4];
float clear_color[4];
struct wlr_output_layout *layout;
struct wl_list devices;
struct wl_listener cursor_motion;
struct wl_listener cursor_motion_absolute;
struct wl_listener cursor_button;
struct wl_listener cursor_axis;
struct wl_listener touch_motion;
struct wl_listener touch_up;
struct wl_listener touch_down;
struct wl_listener touch_cancel;
list_t *touch_points;
struct wl_listener tablet_tool_axis;
struct wl_listener tablet_tool_proxmity;
struct wl_listener tablet_tool_tip;
struct wl_listener tablet_tool_button;
};
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct touch_point {
int32_t slot;
double x, y;
};
static void warp_to_touch(struct sample_state *sample,
struct wlr_input_device *dev) {
if (sample->touch_points->length == 0) {
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];
x += point->x;
y += point->y;
}
x /= sample->touch_points->length;
y /= sample->touch_points->length;
wlr_cursor_warp_absolute(sample->cursor, dev, x, y);
}
static void handle_output_frame(struct output_state *output,
struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
struct wlr_output *wlr_output = output->output;
@ -42,74 +95,58 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
wlr_output_swap_buffers(wlr_output);
}
static void handle_pointer_motion(struct pointer_state *pstate,
double d_x, double d_y) {
struct sample_state *state = pstate->compositor->data;
state->cur_x += d_x;
state->cur_y += d_y;
static void configure_devices(struct sample_state *sample) {
struct sample_input_device *dev;
struct device_config *dc;
struct wlr_xcursor_image *image = state->cursor->images[0];
struct output_state *output;
wl_list_for_each(output, &pstate->compositor->outputs, link) {
wlr_output_move_cursor(output->output,
state->cur_x - image->hotspot_x,
state->cur_y - image->hotspot_y);
}
}
static void handle_pointer_motion_absolute(struct pointer_state *pstate,
double x, double y) {
struct sample_state *state = pstate->compositor->data;
state->cur_x = x;
state->cur_y = y;
struct wlr_xcursor_image *image = state->cursor->images[0];
struct output_state *output;
wl_list_for_each(output, &pstate->compositor->outputs, link) {
wlr_output_move_cursor(output->output,
state->cur_x - image->hotspot_x,
state->cur_y - image->hotspot_y);
}
}
static void handle_pointer_button(struct pointer_state *pstate,
uint32_t button, enum wlr_button_state state) {
struct sample_state *sample = pstate->compositor->data;
float (*color)[4];
if (state == WLR_BUTTON_RELEASED) {
color = &sample->default_color;
} else {
float red[4] = { 0.25f, 0.25f, 0.25f, 1 };
red[button % 3] = 1;
color = &red;
}
memcpy(&sample->clear_color, color, sizeof(*color));
}
static void handle_pointer_axis(struct pointer_state *pstate,
enum wlr_axis_source source,
enum wlr_axis_orientation orientation,
double delta) {
struct sample_state *sample = pstate->compositor->data;
for (size_t i = 0; i < 3; ++i) {
sample->default_color[i] += delta > 0 ? -0.05f : 0.05f;
if (sample->default_color[i] > 1.0f) {
sample->default_color[i] = 1.0f;
}
if (sample->default_color[i] < 0.0f) {
sample->default_color[i] = 0.0f;
// reset device mappings
wl_list_for_each(dev, &sample->devices, link) {
wlr_cursor_map_input_to_output(sample->cursor, dev->device, NULL);
wl_list_for_each(dc, &sample->config->devices, link) {
if (strcmp(dev->device->name, dc->name) == 0) {
wlr_cursor_map_input_to_region(sample->cursor, dev->device,
dc->mapped_box);
}
}
}
struct output_state *ostate;
wl_list_for_each(ostate, &sample->compositor->outputs, link) {
wl_list_for_each(dc, &sample->config->devices, link) {
// configure device to output mappings
if (dc->mapped_output &&
strcmp(dc->mapped_output, ostate->output->name) == 0) {
wl_list_for_each(dev, &sample->devices, link) {
if (strcmp(dev->device->name, dc->name) == 0) {
wlr_cursor_map_input_to_output(sample->cursor,
dev->device, ostate->output);
}
}
}
}
}
memcpy(&sample->clear_color, &sample->default_color,
sizeof(sample->clear_color));
}
static void handle_output_add(struct output_state *ostate) {
struct sample_state *state = ostate->compositor->data;
struct sample_state *sample = ostate->compositor->data;
struct wlr_output *wlr_output = ostate->output;
struct wlr_xcursor_image *image = state->cursor->images[0];
struct wlr_xcursor_image *image = sample->xcursor->images[0];
// reset layout
wlr_output_layout_destroy(sample->layout);
sample->layout =
configure_layout(sample->config, &ostate->compositor->outputs);
wlr_cursor_attach_output_layout(sample->cursor, sample->layout);
// cursor configuration
char *mapped_output = sample->config->cursor.mapped_output;
if (mapped_output && strcmp(mapped_output, wlr_output->name) == 0) {
wlr_cursor_map_to_output(sample->cursor, wlr_output);
}
configure_devices(sample);
// TODO move to wlr_cursor
if (!wlr_output_set_cursor(wlr_output, image->buffer,
image->width, image->width, image->height)) {
wlr_log(L_DEBUG, "Failed to set hardware cursor");
@ -120,34 +157,254 @@ static void handle_output_add(struct output_state *ostate) {
}
}
static void handle_output_remove(struct output_state *ostate) {
struct sample_state *sample = ostate->compositor->data;
wlr_output_layout_destroy(sample->layout);
sample->layout =
configure_layout(sample->config, &ostate->compositor->outputs);
wlr_cursor_attach_output_layout(sample->cursor, sample->layout);
configure_devices(sample);
char *mapped_output = sample->config->cursor.mapped_output;
if (mapped_output && strcmp(mapped_output, ostate->output->name) == 0) {
wlr_cursor_map_to_output(sample->cursor, NULL);
}
}
static void handle_output_resolution(struct compositor_state *state,
struct output_state *ostate) {
struct sample_state *sample = ostate->compositor->data;
wlr_output_layout_destroy(sample->layout);
sample->layout =
configure_layout(sample->config, &ostate->compositor->outputs);
wlr_cursor_attach_output_layout(sample->cursor, sample->layout);
}
static void handle_input_add(struct compositor_state *state,
struct wlr_input_device *device) {
struct sample_state *sample = state->data;
if (device->type == WLR_INPUT_DEVICE_POINTER ||
device->type == WLR_INPUT_DEVICE_TOUCH ||
device->type == WLR_INPUT_DEVICE_TABLET_TOOL) {
struct sample_input_device *s_device;
s_device = calloc(1, sizeof(struct sample_input_device));
s_device->device = device;
wl_list_insert(&sample->devices, &s_device->link);
wlr_cursor_attach_input_device(sample->cursor, device);
configure_devices(sample);
}
}
static void handle_input_remove(struct compositor_state *state,
struct wlr_input_device *device) {
struct sample_state *sample = state->data;
struct sample_input_device *s_device, *tmp = NULL;
wl_list_for_each_safe(s_device, tmp, &sample->devices, link) {
if (s_device->device == device) {
wl_list_remove(&s_device->link);
free(s_device);
}
}
}
static void handle_cursor_motion(struct wl_listener *listener, void *data) {
struct sample_state *sample =
wl_container_of(listener, sample, cursor_motion);
struct wlr_event_pointer_motion *event = data;
wlr_cursor_move(sample->cursor, event->device, event->delta_x,
event->delta_y);
}
static void handle_cursor_motion_absolute(struct wl_listener *listener,
void *data) {
struct sample_state *sample =
wl_container_of(listener, sample, cursor_motion_absolute);
struct wlr_event_pointer_motion_absolute *event = data;
sample->cur_x = event->x_mm;
sample->cur_y = event->y_mm;
struct wlr_xcursor_image *image = sample->xcursor->images[0];
struct output_state *output;
wl_list_for_each(output, &sample->compositor->outputs, link) {
wlr_output_move_cursor(output->output,
sample->cur_x - image->hotspot_x,
sample->cur_y - image->hotspot_y);
}
}
static void handle_cursor_button(struct wl_listener *listener, void *data) {
struct sample_state *sample =
wl_container_of(listener, sample, cursor_button);
struct wlr_event_pointer_button *event = data;
float (*color)[4];
if (event->state == WLR_BUTTON_RELEASED) {
color = &sample->default_color;
memcpy(&sample->clear_color, color, sizeof(*color));
} else {
float red[4] = { 0.25f, 0.25f, 0.25f, 1 };
red[event->button % 3] = 1;
color = &red;
memcpy(&sample->clear_color, color, sizeof(*color));
}
}
static void handle_cursor_axis(struct wl_listener *listener, void *data) {
struct sample_state *sample =
wl_container_of(listener, sample, cursor_axis);
struct wlr_event_pointer_axis *event = data;
for (size_t i = 0; i < 3; ++i) {
sample->default_color[i] += event->delta > 0 ? -0.05f : 0.05f;
if (sample->default_color[i] > 1.0f) {
sample->default_color[i] = 1.0f;
}
if (sample->default_color[i] < 0.0f) {
sample->default_color[i] = 0.0f;
}
}
memcpy(&sample->clear_color, &sample->default_color,
sizeof(sample->clear_color));
}
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];
if (point->slot == event->slot) {
list_del(sample->touch_points, i);
break;
}
}
warp_to_touch(sample, event->device);
}
static void handle_touch_down(struct wl_listener *listener, void *data) {
struct sample_state *sample = wl_container_of(listener, sample, touch_down);
struct wlr_event_touch_down *event = data;
struct touch_point *point = calloc(1, sizeof(struct touch_point));
point->slot = event->slot;
point->x = event->x_mm / event->width_mm;
point->y = event->y_mm / event->height_mm;
if (list_add(sample->touch_points, point) == -1) {
free(point);
}
warp_to_touch(sample, event->device);
}
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];
if (point->slot == event->slot) {
point->x = event->x_mm / event->width_mm;
point->y = event->y_mm / event->height_mm;
break;
}
}
warp_to_touch(sample, event->device);
}
static void handle_touch_cancel(struct wl_listener *listener, void *data) {
wlr_log(L_DEBUG, "TODO: touch cancel");
}
static void handle_tablet_tool_axis(struct wl_listener *listener, void *data) {
struct sample_state *sample =
wl_container_of(listener, sample, tablet_tool_axis);
struct wlr_event_tablet_tool_axis *event = data;
if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) &&
(event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
wlr_cursor_warp_absolute(sample->cursor, event->device,
event->x_mm / event->width_mm, event->y_mm / event->height_mm);
}
}
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 }
.clear_color = { 0.25f, 0.25f, 0.25f, 1 },
.touch_points = list_create(),
};
state.config = parse_args(argc, argv);
state.cursor = wlr_cursor_create();
wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_box);
wl_list_init(&state.devices);
// pointer events
wl_signal_add(&state.cursor->events.motion, &state.cursor_motion);
state.cursor_motion.notify = handle_cursor_motion;
wl_signal_add(&state.cursor->events.motion_absolute,
&state.cursor_motion_absolute);
state.cursor_motion_absolute.notify = handle_cursor_motion_absolute;
wl_signal_add(&state.cursor->events.button, &state.cursor_button);
state.cursor_button.notify = handle_cursor_button;
wl_signal_add(&state.cursor->events.axis, &state.cursor_axis);
state.cursor_axis.notify = handle_cursor_axis;
// touch events
wl_signal_add(&state.cursor->events.touch_up, &state.touch_up);
state.touch_up.notify = handle_touch_up;
wl_signal_add(&state.cursor->events.touch_down, &state.touch_down);
state.touch_down.notify = handle_touch_down;
wl_signal_add(&state.cursor->events.touch_motion, &state.touch_motion);
state.touch_motion.notify = handle_touch_motion;
wl_signal_add(&state.cursor->events.touch_cancel, &state.touch_cancel);
state.touch_cancel.notify = handle_touch_cancel;
// tool events
wl_signal_add(&state.cursor->events.tablet_tool_axis,
&state.tablet_tool_axis);
state.tablet_tool_axis.notify = handle_tablet_tool_axis;
struct compositor_state compositor = { 0 };
compositor.data = &state;
compositor.output_add_cb = handle_output_add;
compositor.output_remove_cb = handle_output_remove;
compositor.output_resolution_cb = handle_output_resolution;
compositor.output_frame_cb = handle_output_frame;
compositor.pointer_motion_cb = handle_pointer_motion;
compositor.pointer_motion_absolute_cb = handle_pointer_motion_absolute;
compositor.pointer_button_cb = handle_pointer_button;
compositor.pointer_axis_cb = handle_pointer_axis;
compositor.input_add_cb = handle_input_add;
compositor.input_remove_cb = handle_input_remove;
state.compositor = &compositor;
struct wlr_xcursor_theme *theme = wlr_xcursor_theme_load("default", 16);
if (!theme) {
wlr_log(L_ERROR, "Failed to load cursor theme");
return 1;
}
state.cursor = wlr_xcursor_theme_get_cursor(theme, "left_ptr");
if (!state.cursor) {
state.xcursor = wlr_xcursor_theme_get_cursor(theme, "left_ptr");
if (!state.xcursor) {
wlr_log(L_ERROR, "Failed to load left_ptr cursor");
return 1;
}
wlr_cursor_set_xcursor(state.cursor, state.xcursor);
compositor_init(&compositor);
wl_display_run(compositor.display);
compositor_fini(&compositor);
wlr_xcursor_theme_destroy(theme);
example_config_destroy(state.config);
wlr_cursor_destroy(state.cursor);
}

1
examples/rotation.c
View file

@ -19,6 +19,7 @@
#include <wlr/util/log.h>
#include <math.h>
#include "shared.h"
#include "config.h"
#include "cat.h"
struct sample_state {

148
examples/shared.c
View file

@ -18,145 +18,6 @@
#include <wlr/util/log.h>
#include "shared.h"
static void usage(const char *name, int ret) {
fprintf(stderr,
"usage: %s [-d <name> [-r <rotation> | -f]]*\n"
"\n"
" -o <output> The name of the DRM display. e.g. DVI-I-1.\n"
" -r <rotation> The rotation counter clockwise. Valid values are 90, 180, 270.\n"
" -x <position> The X-axis coordinate position of this output in the layout.\n"
" -y <position> The Y-axis coordinate position of this output in the layout.\n"
" -f Flip the output along the vertical axis.\n", name);
exit(ret);
}
struct example_config *parse_args(int argc, char *argv[]) {
struct example_config *config = calloc(1, sizeof(struct example_config));
wl_list_init(&config->outputs);
struct output_config *oc = NULL;
int c;
while ((c = getopt(argc, argv, "o:r:x:y:fh")) != -1) {
switch (c) {
case 'o':
oc = calloc(1, sizeof(*oc));
oc->name = optarg;
oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
wl_list_insert(&config->outputs, &oc->link);
break;
case 'r':
if (!oc) {
fprintf(stderr, "You must specify an output first\n");
usage(argv[0], 1);
}
if (oc->transform != WL_OUTPUT_TRANSFORM_NORMAL
&& oc->transform != WL_OUTPUT_TRANSFORM_FLIPPED) {
fprintf(stderr, "Rotation for %s already specified\n", oc->name);
usage(argv[0], 1);
}
if (strcmp(optarg, "90") == 0) {
oc->transform += WL_OUTPUT_TRANSFORM_90;
} else if (strcmp(optarg, "180") == 0) {
oc->transform += WL_OUTPUT_TRANSFORM_180;
} else if (strcmp(optarg, "270") == 0) {
oc->transform += WL_OUTPUT_TRANSFORM_270;
} else {
fprintf(stderr, "Invalid rotation '%s'\n", optarg);
usage(argv[0], 1);
}
break;
case 'x':
if (!oc) {
fprintf(stderr, "You must specify an output first\n");
usage(argv[0], 1);
}
oc->x = strtol(optarg, NULL, 0);
break;
case 'y':
if (!oc) {
fprintf(stderr, "You must specify an output first\n");
usage(argv[0], 1);
}
oc->y = strtol(optarg, NULL, 0);
break;
case 'f':
if (!oc) {
fprintf(stderr, "You must specify an output first\n");
usage(argv[0], 1);
}
if (oc->transform >= WL_OUTPUT_TRANSFORM_FLIPPED) {
fprintf(stderr, "Flip for %s already specified\n", oc->name);
usage(argv[0], 1);
}
oc->transform += WL_OUTPUT_TRANSFORM_FLIPPED;
break;
case 'h':
case '?':
usage(argv[0], c != 'h');
}
}
return config;
}
void example_config_destroy(struct example_config *config) {
struct output_config *oc, *tmp = NULL;
wl_list_for_each_safe(oc, tmp, &config->outputs, link) {
free(oc);
}
free(config);
}
struct wlr_output_layout *configure_layout(struct example_config *config, struct wl_list *outputs) {
struct wlr_output_layout *layout = wlr_output_layout_init();
int max_x = INT_MIN;
int max_x_y = INT_MIN; // y value for the max_x output
// first add all the configured outputs
struct output_state *output;
wl_list_for_each(output, outputs, link) {
struct output_config *conf;
wl_list_for_each(conf, &config->outputs, link) {
if (strcmp(conf->name, output->output->name) == 0) {
wlr_output_layout_add(layout, output->output,
conf->x, conf->y);
wlr_output_transform(output->output, conf->transform);
int width, height;
wlr_output_effective_resolution(output->output, &width, &height);
if (conf->x + width > max_x) {
max_x = conf->x + width;
max_x_y = conf->y;
}
break;
}
}
}
if (max_x == INT_MIN) {
// couldn't find a configured output
max_x = 0;
max_x_y = 0;
}
// now add all the other configured outputs in a sensible position
wl_list_for_each(output, outputs, link) {
if (wlr_output_layout_get(layout, output->output)) {
continue;
}
wlr_output_layout_add(layout, output->output, max_x, max_x_y);
int width, height;
wlr_output_effective_resolution(output->output, &width, &height);
max_x += width;
}
return layout;
}
static void keyboard_led_update(struct keyboard_state *kbstate) {
uint32_t leds = 0;
@ -441,6 +302,10 @@ static void input_add_notify(struct wl_listener *listener, void *data) {
default:
break;
}
if (state->input_add_cb) {
state->input_add_cb(state, device);
}
}
static void keyboard_remove(struct wlr_input_device *device, struct compositor_state *state) {
@ -536,6 +401,11 @@ static void tablet_pad_remove(struct wlr_input_device *device, struct compositor
static void input_remove_notify(struct wl_listener *listener, void *data) {
struct wlr_input_device *device = data;
struct compositor_state *state = wl_container_of(listener, state, input_remove);
if (state->input_remove_cb) {
state->input_remove_cb(state, device);
}
switch (device->type) {
case WLR_INPUT_DEVICE_KEYBOARD:
keyboard_remove(device, state);

22
examples/shared.h
View file

@ -12,24 +12,6 @@
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_input_device.h>
struct output_config {
char *name;
enum wl_output_transform transform;
int x, y;
struct wl_list link;
};
struct example_config {
struct wl_list outputs;
};
struct example_config *parse_args(int argc, char *argv[]);
void example_config_destroy(struct example_config *config);
struct wlr_output_layout *configure_layout(struct example_config *config,
struct wl_list *outputs);
struct output_state {
struct compositor_state *compositor;
struct wlr_output *output;
@ -93,6 +75,10 @@ struct tablet_pad_state {
};
struct compositor_state {
void (*input_add_cb)(struct compositor_state *compositor,
struct wlr_input_device *device);
void (*input_remove_cb)(struct compositor_state *compositor,
struct wlr_input_device *device);
void (*output_add_cb)(struct output_state *s);
void (*keyboard_add_cb)(struct keyboard_state *s);
void (*output_frame_cb)(struct output_state *s, struct timespec *ts);

2
examples/touch.c
View file

@ -61,7 +61,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
static void handle_touch_down(struct touch_state *tstate, int32_t slot,
double x, double y, double width, double height) {
struct sample_state *sample = tstate->compositor->data;
struct touch_point *point = calloc(1, sizeof(struct touch_state));
struct touch_point *point = calloc(1, sizeof(struct touch_point));
point->slot = slot;
point->x = x / width;
point->y = y / height;

57
examples/wlr-example.ini.example Normal file
View file

@ -0,0 +1,57 @@
# Configuration
# -------------
# Some examples will read a configuration file. Not all examples will use all of
# the configuration options. The configuration file will be loaded from
# `wlr-example.ini` from the current directory or the path can be specified by the
# `-C` option given on the command line.
#
# Output configuration
# ~~~~~~~~~~~~~~~~~~~~
# Each output is specified in a section named [output:{NAME}] where NAME is the
# drm name for this output.
#
# Value "x" specifies the x-coordinate in the output layout.
#
# Value "y" specifies the y-coordinate in the output layout.
#
# Value "rotate" specifies output rotation and can be 90, 180, 270, flipped,
# flipped-90, flipped-180, or flipped-270
[output:HDMI-A-1]
x=3000
y=0
rotate=90
[output:DP-1]
x=0
y=0
rotate=270
[output:DVI-D-1]
x=1080
y=232
# Cursor Configuration
# ~~~~~~~~~~~~~~~~~~~~
# Value "map-to-output" specifies the output to which the cursor is
# constrained.
#
# Value "geometry" specifies the geometry (widthxheight+x+y) to which the cursor
# is constrained.
[cursor]
map-to-output=HDMI-A-1
geometry=500x700+50+50
# Device Configuration
# ~~~~~~~~~~~~~~~~~~~~
# Each device is specified in a section named [device:{NAME}] where NAME is the
# name given to this device. See a log file for device names.
#
# Value "map-to-output" specifies the output to which the device is constrained.
#
# Value "geometry" specifies the geometry (widthxheight+x+y) to which the device
# is constrained.
[device:Razer Razer DeathAdder 2013]
map-to-output=DP-1
geometry=500x700+50+50
# vim:filetype=dosini

20
include/wlr/types/wlr_box.h Normal file
View file

@ -0,0 +1,20 @@
#ifndef _WLR_TYPES_GEOMETRY_H
#define _WLR_TYPES_GEOMETRY_H
#include <stdbool.h>
struct wlr_box {
int x, y;
int width, height;
};
void wlr_box_closest_point(struct wlr_box *box, double x, double y,
double *dest_x, double *dest_y);
bool wlr_box_intersection(struct wlr_box *box_a,
struct wlr_box *box_b, struct wlr_box **dest);
bool wlr_box_contains_point(struct wlr_box *box, double x, double y);
bool wlr_box_empty(struct wlr_box *box);
#endif

112
include/wlr/types/wlr_cursor.h Normal file
View file

@ -0,0 +1,112 @@
#ifndef _WLR_TYPES_CURSOR_H
#define _WLR_TYPES_CURSOR_H
#include <wayland-server.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_box.h>
#include <wlr/xcursor.h>
struct wlr_cursor_state;
struct wlr_cursor {
struct wlr_cursor_state *state;
int x, y;
struct {
struct wl_signal motion;
struct wl_signal motion_absolute;
struct wl_signal button;
struct wl_signal axis;
struct wl_signal touch_up;
struct wl_signal touch_down;
struct wl_signal touch_motion;
struct wl_signal touch_cancel;
struct wl_signal tablet_tool_axis;
struct wl_signal tablet_tool_proximity;
struct wl_signal tablet_tool_tip;
struct wl_signal tablet_tool_button;
} events;
};
struct wlr_cursor *wlr_cursor_create();
void wlr_cursor_destroy(struct wlr_cursor *cur);
void wlr_cursor_set_xcursor(struct wlr_cursor *cur, struct wlr_xcursor *xcur);
/**
* Warp the cursor to the given x and y in layout coordinates. If x and y are
* out of the layout boundaries or constraints, no warp will happen.
*
* `dev` may be passed to respect device mapping constraints. If `dev` is NULL,
* device mapping constraints will be ignored.
*
* Returns true when the mouse warp was successful.
*/
bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
double x, double y);
void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
struct wlr_input_device *dev, double x_mm, double y_mm);
/**
* Move the cursor in the direction of the given x and y coordinates.
*
* `dev` may be passed to respect device mapping constraints. If `dev` is NULL,
* device mapping constraints will be ignored.
*/
void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
double delta_x, double delta_y);
/**
* Attaches this input device to this cursor. The input device must be one of:
*
* - WLR_INPUT_DEVICE_POINTER
* - WLR_INPUT_DEVICE_TOUCH
* - WLR_INPUT_DEVICE_TABLET_TOOL
*/
void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
struct wlr_input_device *dev);
void wlr_cursor_detach_input_device(struct wlr_cursor *cur,
struct wlr_input_device *dev);
/**
* Uses the given layout to establish the boundaries and movement semantics of
* this cursor. Cursors without an output layout allow infinite movement in any
* direction and do not support absolute input events.
*/
void wlr_cursor_attach_output_layout(struct wlr_cursor *cur,
struct wlr_output_layout *l);
/**
* Attaches this cursor to the given output, which must be among the outputs in
* the current output_layout for this cursor. This call is invalid for a cursor
* without an associated output layout.
*/
void wlr_cursor_map_to_output(struct wlr_cursor *cur,
struct wlr_output *output);
/**
* Maps all input from a specific input device to a given output. The input
* device must be attached to this cursor and the output must be among the
* outputs in the attached output layout.
*/
void wlr_cursor_map_input_to_output(struct wlr_cursor *cur,
struct wlr_input_device *dev, struct wlr_output *output);
/**
* Maps this cursor to an arbitrary region on the associated wlr_output_layout.
*/
void wlr_cursor_map_to_region(struct wlr_cursor *cur, struct wlr_box *box);
/**
* Maps inputs from this input device to an arbitrary region on the associated
* wlr_output_layout.
*/
void wlr_cursor_map_input_to_region(struct wlr_cursor *cur,
struct wlr_input_device *dev, struct wlr_box *box);
#endif

4
include/wlr/types/wlr_input_device.h
View file

@ -40,6 +40,10 @@ struct wlr_input_device {
struct wlr_tablet_pad *tablet_pad;
};
struct {
struct wl_signal destroy;
} events;
void *data;
};

23
include/wlr/types/wlr_output_layout.h
View file

@ -4,14 +4,20 @@
#include <wayland-util.h>
#include <stdbool.h>
struct wlr_output_layout_state;
struct wlr_output_layout {
struct wl_list outputs;
struct wlr_output_layout_state *state;
};
struct wlr_output_layout_output_state;
struct wlr_output_layout_output {
struct wlr_output *output;
int x, y;
struct wl_list link;
struct wlr_output_layout_output_state *state;
};
struct wlr_output_layout *wlr_output_layout_init();
@ -38,7 +44,7 @@ void wlr_output_layout_remove(struct wlr_output_layout *layout,
* coordinates relative to the given reference output.
*/
void wlr_output_layout_output_coords(struct wlr_output_layout *layout,
struct wlr_output *reference, int *x, int *y);
struct wlr_output *reference, double *x, double *y);
bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
struct wlr_output *reference, int x, int y);
@ -46,4 +52,19 @@ bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
struct wlr_output *reference, int x1, int y1, int x2, int y2);
/**
* Get the closest point on this layout from the given point from the reference
* output. If reference is NULL, gets the closest point from the entire layout.
*/
void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
struct wlr_output *reference, double x, double y, double *dest_x,
double *dest_y);
/**
* Get the box of the layout for the given reference output. If `reference`
* is NULL, the box will be for the extents of the entire layout.
*/
struct wlr_box *wlr_output_layout_get_box(
struct wlr_output_layout *layout, struct wlr_output *reference);
#endif

4
include/wlr/types/wlr_pointer.h
View file

@ -20,12 +20,14 @@ struct wlr_pointer {
};
struct wlr_event_pointer_motion {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
double delta_x, delta_y;
};
struct wlr_event_pointer_motion_absolute {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
double x_mm, y_mm;
@ -33,6 +35,7 @@ struct wlr_event_pointer_motion_absolute {
};
struct wlr_event_pointer_button {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
uint32_t button;
@ -52,6 +55,7 @@ enum wlr_axis_orientation {
};
struct wlr_event_pointer_axis {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
enum wlr_axis_source source;

8
include/wlr/types/wlr_tablet_tool.h
View file

@ -32,6 +32,7 @@ enum wlr_tablet_tool_axes {
};
struct wlr_event_tablet_tool_axis {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
uint32_t updated_axes;
@ -51,9 +52,10 @@ enum wlr_tablet_tool_proximity_state {
};
struct wlr_event_tablet_tool_proximity {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
double x, y;
double x_mm, y_mm;
double width_mm, height_mm;
enum wlr_tablet_tool_proximity_state state;
};
@ -64,14 +66,16 @@ enum wlr_tablet_tool_tip_state {
};
struct wlr_event_tablet_tool_tip {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
double x, y;
double x_mm, y_mm;
double width_mm, height_mm;
enum wlr_tablet_tool_tip_state state;
};
struct wlr_event_tablet_tool_button {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
uint32_t button;

4
include/wlr/types/wlr_touch.h
View file

@ -19,6 +19,7 @@ struct wlr_touch {
};
struct wlr_event_touch_down {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
int32_t slot;
@ -27,12 +28,14 @@ struct wlr_event_touch_down {
};
struct wlr_event_touch_up {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
int32_t slot;
};
struct wlr_event_touch_motion {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
int32_t slot;
@ -41,6 +44,7 @@ struct wlr_event_touch_motion {
};
struct wlr_event_touch_cancel {
struct wlr_input_device *device;
uint32_t time_sec;
uint64_t time_usec;
int32_t slot;

2
types/meson.build
View file

@ -6,6 +6,7 @@ lib_wlr_types = static_library('wlr_types', files(
'wlr_output.c',
'wlr_output_layout.c',
'wlr_pointer.c',
'wlr_cursor.c',
'wlr_region.c',
'wlr_seat.c',
'wlr_surface.c',
@ -15,6 +16,7 @@ lib_wlr_types = static_library('wlr_types', files(
'wlr_xdg_shell_v6.c',
'wlr_wl_shell.c',
'wlr_compositor.c',
'wlr_box.c',
),
include_directories: wlr_inc,
dependencies: [wayland_server, pixman, wlr_protos])

67
types/wlr_box.c Normal file
View file

@ -0,0 +1,67 @@
#include <limits.h>
#include <stdlib.h>
#include <math.h>
#include <stdbool.h>
#include <wlr/types/wlr_box.h>
#include <wlr/util/log.h>
void wlr_box_closest_point(struct wlr_box *box, double x, double y,
double *dest_x, double *dest_y) {
// find the closest x point
if (x < box->x) {
*dest_x = box->x;
} else if (x > box->x + box->width) {
*dest_x = box->x + box->width;
} else {
*dest_x = x;
}
// find closest y point
if (y < box->y) {
*dest_y = box->y;
} else if (y > box->y + box->height) {
*dest_y = box->y + box->height;
} else {
*dest_y = y;
}
}
bool wlr_box_empty(struct wlr_box *box) {
return box == NULL || box->width <= 0 || box->height <= 0;
}
bool wlr_box_intersection(struct wlr_box *box_a,
struct wlr_box *box_b, struct wlr_box **box_dest) {
struct wlr_box *dest = *box_dest;
bool a_empty = wlr_box_empty(box_a);
bool b_empty = wlr_box_empty(box_b);
if (a_empty || b_empty) {
dest->x = 0;
dest->y = 0;
dest->width = -100;
dest->height = -100;
return false;
}
int x1 = fmax(box_a->x, box_b->x);
int y1 = fmax(box_a->y, box_b->y);
int x2 = fmin(box_a->x + box_a->width, box_b->x + box_b->width);
int y2 = fmin(box_a->y + box_a->height, box_b->y + box_b->height);
dest->x = x1;
dest->y = y1;
dest->width = x2 - x1;
dest->height = y2 - y1;
return !wlr_box_empty(dest);
}
bool wlr_box_contains_point(struct wlr_box *box, double x, double y) {
if (wlr_box_empty(box)) {
return false;
} else {
return x >= box->x && x <= box->x + box->width &&
y >= box->y && y <= box->y + box->height;
}
}

481
types/wlr_cursor.c Normal file
View file

@ -0,0 +1,481 @@
#include <wlr/types/wlr_cursor.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <wlr/util/log.h>
#include <wayland-server.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_input_device.h>
struct wlr_cursor_device {
struct wlr_cursor *cursor;
struct wlr_input_device *device;
struct wl_list link;
struct wlr_output *mapped_output;
struct wlr_box *mapped_box;
struct wl_listener motion;
struct wl_listener motion_absolute;
struct wl_listener button;
struct wl_listener axis;
struct wl_listener touch_down;
struct wl_listener touch_up;
struct wl_listener touch_motion;
struct wl_listener touch_cancel;
struct wl_listener tablet_tool_axis;
struct wl_listener tablet_tool_proximity;
struct wl_listener tablet_tool_tip;
struct wl_listener tablet_tool_button;
struct wl_listener destroy;
};
struct wlr_cursor_state {
struct wl_list devices;
struct wlr_output_layout *layout;
struct wlr_xcursor *xcursor;
struct wlr_output *mapped_output;
struct wlr_box *mapped_box;
};
struct wlr_cursor *wlr_cursor_create() {
struct wlr_cursor *cur = calloc(1, sizeof(struct wlr_cursor));
if (!cur) {
wlr_log(L_ERROR, "Failed to allocate wlr_cursor");
return NULL;
}
cur->state = calloc(1, sizeof(struct wlr_cursor_state));
if (!cur->state) {
wlr_log(L_ERROR, "Failed to allocate wlr_cursor_state");
free(cur);
return NULL;
}
cur->state->mapped_output = NULL;
wl_list_init(&cur->state->devices);
// pointer signals
wl_signal_init(&cur->events.motion);
wl_signal_init(&cur->events.motion_absolute);
wl_signal_init(&cur->events.button);
wl_signal_init(&cur->events.axis);
// 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);
// tablet tool signals
wl_signal_init(&cur->events.tablet_tool_tip);
wl_signal_init(&cur->events.tablet_tool_axis);
wl_signal_init(&cur->events.tablet_tool_button);
wl_signal_init(&cur->events.tablet_tool_proximity);
cur->x = 100;
cur->y = 100;
return cur;
}
void wlr_cursor_destroy(struct wlr_cursor *cur) {
struct wlr_cursor_device *device, *device_tmp = NULL;
wl_list_for_each_safe(device, device_tmp, &cur->state->devices, link) {
wl_list_remove(&device->link);
free(device);
}
free(cur);
}
void wlr_cursor_set_xcursor(struct wlr_cursor *cur, struct wlr_xcursor *xcur) {
cur->state->xcursor = xcur;
}
static struct wlr_cursor_device *get_cursor_device(struct wlr_cursor *cur,
struct wlr_input_device *device) {
struct wlr_cursor_device *c_device, *ret = NULL;
wl_list_for_each(c_device, &cur->state->devices, link) {
if (c_device->device == device) {
ret = c_device;
break;
}
}
return ret;
}
static void wlr_cursor_warp_unchecked(struct wlr_cursor *cur,
double x, double y) {
assert(cur->state->layout);
int hotspot_x = 0;
int hotspot_y = 0;
if (cur->state->xcursor && cur->state->xcursor->image_count > 0) {
struct wlr_xcursor_image *image = cur->state->xcursor->images[0];
hotspot_x = image->hotspot_x;
hotspot_y = image->hotspot_y;
}
struct wlr_output_layout_output *l_output;
wl_list_for_each(l_output, &cur->state->layout->outputs, link) {
double output_x = x;
double output_y = y;
wlr_output_layout_output_coords(cur->state->layout,
l_output->output, &output_x, &output_y);
wlr_output_move_cursor(l_output->output, output_x - hotspot_x,
output_y - hotspot_y);
}
cur->x = x;
cur->y = y;
}
/**
* Get the most specific mapping box for the device in this order:
*
* 1. device geometry mapping
* 2. device output mapping
* 3. cursor geometry mapping
* 4. cursor output mapping
*
* Absolute movement for touch and pen devices will be relative to this box and
* pointer movement will be constrained to this box.
*
* If none of these are set, returns NULL and absolute movement should be
* relative to the extents of the layout.
*/
static struct wlr_box *get_mapping(struct wlr_cursor *cur,
struct wlr_input_device *dev) {
assert(cur->state->layout);
struct wlr_cursor_device *c_device = get_cursor_device(cur, dev);
if (c_device) {
if (c_device->mapped_box) {
return c_device->mapped_box;
}
if (c_device->mapped_output) {
return wlr_output_layout_get_box(cur->state->layout,
c_device->mapped_output);
}
}
if (cur->state->mapped_box) {
return cur->state->mapped_box;
}
if (cur->state->mapped_output) {
return wlr_output_layout_get_box(cur->state->layout,
cur->state->mapped_output);
}
return NULL;
}
bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
double x, double y) {
assert(cur->state->layout);
bool result = false;
struct wlr_box *mapping = get_mapping(cur, dev);
if (mapping) {
if (wlr_box_contains_point(mapping, x, y)) {
wlr_cursor_warp_unchecked(cur, x, y);
result = true;
}
} else if (wlr_output_layout_contains_point(cur->state->layout, NULL,
x, y)) {
wlr_cursor_warp_unchecked(cur, x, y);
result = true;
}
return result;
}
void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
struct wlr_input_device *dev, double x_mm, double y_mm) {
assert(cur->state->layout);
struct wlr_box *mapping = get_mapping(cur, dev);
if (!mapping) {
mapping = wlr_output_layout_get_box(cur->state->layout, NULL);
}
double x = mapping->width * x_mm + mapping->x;
double y = mapping->height * y_mm + mapping->y;
wlr_cursor_warp_unchecked(cur, x, y);
}
void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
double delta_x, double delta_y) {
assert(cur->state->layout);
double x = cur->x + delta_x;
double y = cur->y + delta_y;
struct wlr_box *mapping = get_mapping(cur, dev);
if (mapping) {
double closest_x, closest_y;
if (!wlr_box_contains_point(mapping, x, y)) {
wlr_box_closest_point(mapping, x, y, &closest_x,
&closest_y);
x = closest_x;
y = closest_y;
}
} else {
if (!wlr_output_layout_contains_point(cur->state->layout, NULL, x, y)) {
double layout_x, layout_y;
wlr_output_layout_closest_point(cur->state->layout, NULL, x, y,
&layout_x, &layout_y);
x = layout_x;
y = layout_y;
}
}
wlr_cursor_warp_unchecked(cur, x, y);
}
static void handle_pointer_motion(struct wl_listener *listener, void *data) {
struct wlr_event_pointer_motion *event = data;
struct wlr_cursor_device *device =
wl_container_of(listener, device, motion);
wl_signal_emit(&device->cursor->events.motion, event);
}
static void handle_pointer_motion_absolute(struct wl_listener *listener,
void *data) {
struct wlr_event_pointer_motion_absolute *event = data;
struct wlr_cursor_device *device =
wl_container_of(listener, device, motion_absolute);
wl_signal_emit(&device->cursor->events.motion_absolute, event);
}
static void handle_pointer_button(struct wl_listener *listener, void *data) {
struct wlr_event_pointer_button *event = data;
struct wlr_cursor_device *device =
wl_container_of(listener, device, button);
wl_signal_emit(&device->cursor->events.button, event);
}
static void handle_pointer_axis(struct wl_listener *listener, void *data) {
struct wlr_event_pointer_axis *event = data;
struct wlr_cursor_device *device = wl_container_of(listener, device, axis);
wl_signal_emit(&device->cursor->events.axis, event);
}
static void handle_touch_up(struct wl_listener *listener, void *data) {
struct wlr_event_touch_up *event = data;
struct wlr_cursor_device *device;
device = wl_container_of(listener, device, touch_up);
wl_signal_emit(&device->cursor->events.touch_up, event);
}
static void handle_touch_down(struct wl_listener *listener, void *data) {
struct wlr_event_touch_down *event = data;
struct wlr_cursor_device *device;
device = wl_container_of(listener, device, touch_down);
wl_signal_emit(&device->cursor->events.touch_down, event);
}
static void handle_touch_motion(struct wl_listener *listener, void *data) {
struct wlr_event_touch_motion *event = data;
struct wlr_cursor_device *device;
device = wl_container_of(listener, device, touch_motion);
wl_signal_emit(&device->cursor->events.touch_motion, event);
}
static void handle_touch_cancel(struct wl_listener *listener, void *data) {
struct wlr_event_touch_cancel *event = data;
struct wlr_cursor_device *device;
device = wl_container_of(listener, device, touch_cancel);
wl_signal_emit(&device->cursor->events.touch_cancel, event);
}
static void handle_tablet_tool_tip(struct wl_listener *listener, void *data) {
struct wlr_event_tablet_tool_tip *event = data;
struct wlr_cursor_device *device;
device = wl_container_of(listener, device, tablet_tool_tip);
wl_signal_emit(&device->cursor->events.tablet_tool_tip, event);
}
static void handle_tablet_tool_axis(struct wl_listener *listener, void *data) {
struct wlr_event_tablet_tool_axis *event = data;
struct wlr_cursor_device *device;
device = wl_container_of(listener, device, tablet_tool_axis);
wl_signal_emit(&device->cursor->events.tablet_tool_axis, event);
}
static void handle_tablet_tool_button(struct wl_listener *listener,
void *data) {
struct wlr_event_tablet_tool_button *event = data;
struct wlr_cursor_device *device;
device = wl_container_of(listener, device, tablet_tool_button);
wl_signal_emit(&device->cursor->events.tablet_tool_button, event);
}
static void handle_tablet_tool_proximity(struct wl_listener *listener,
void *data) {
struct wlr_event_tablet_tool_proximity *event = data;
struct wlr_cursor_device *device;
device = wl_container_of(listener, device, tablet_tool_proximity);
wl_signal_emit(&device->cursor->events.tablet_tool_proximity, event);
}
static void handle_device_destroy(struct wl_listener *listener, void *data) {
struct wlr_cursor_device *c_device;
c_device = wl_container_of(listener, c_device, destroy);
wlr_cursor_detach_input_device(c_device->cursor, c_device->device);
}
void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
struct wlr_input_device *dev) {
if (dev->type != WLR_INPUT_DEVICE_POINTER &&
dev->type != WLR_INPUT_DEVICE_TOUCH &&
dev->type != WLR_INPUT_DEVICE_TABLET_TOOL) {
wlr_log(L_ERROR, "only device types of pointer, touch or tablet tool"
"are supported");
return;
}
// make sure it is not already attached
struct wlr_cursor_device *_dev;
wl_list_for_each(_dev, &cur->state->devices, link) {
if (_dev->device == dev) {
return;
}
}
struct wlr_cursor_device *device;
device = calloc(1, sizeof(struct wlr_cursor_device));
if (!device) {
wlr_log(L_ERROR, "Failed to allocate wlr_cursor_device");
return;
}
device->cursor = cur;
device->device = dev;
// listen to events
wl_signal_add(&dev->events.destroy, &device->destroy);
device->destroy.notify = handle_device_destroy;
if (dev->type == WLR_INPUT_DEVICE_POINTER) {
wl_signal_add(&dev->pointer->events.motion, &device->motion);
device->motion.notify = handle_pointer_motion;
wl_signal_add(&dev->pointer->events.motion_absolute,
&device->motion_absolute);
device->motion_absolute.notify = handle_pointer_motion_absolute;
wl_signal_add(&dev->pointer->events.button, &device->button);
device->button.notify = handle_pointer_button;
wl_signal_add(&dev->pointer->events.axis, &device->axis);
device->axis.notify = handle_pointer_axis;
} else if (dev->type == WLR_INPUT_DEVICE_TOUCH) {
wl_signal_add(&dev->touch->events.motion, &device->touch_motion);
device->touch_motion.notify = handle_touch_motion;
wl_signal_add(&dev->touch->events.down, &device->touch_down);
device->touch_down.notify = handle_touch_down;
wl_signal_add(&dev->touch->events.up, &device->touch_up);
device->touch_up.notify = handle_touch_up;
wl_signal_add(&dev->touch->events.cancel, &device->touch_cancel);
device->touch_cancel.notify = handle_touch_cancel;
} else if (dev->type == WLR_INPUT_DEVICE_TABLET_TOOL) {
wl_signal_add(&dev->tablet_tool->events.tip, &device->tablet_tool_tip);
device->tablet_tool_tip.notify = handle_tablet_tool_tip;
wl_signal_add(&dev->tablet_tool->events.proximity,
&device->tablet_tool_proximity);
device->tablet_tool_proximity.notify = handle_tablet_tool_proximity;
wl_signal_add(&dev->tablet_tool->events.axis,
&device->tablet_tool_axis);
device->tablet_tool_axis.notify = handle_tablet_tool_axis;
wl_signal_add(&dev->tablet_tool->events.button,
&device->tablet_tool_button);
device->tablet_tool_button.notify = handle_tablet_tool_button;
}
wl_list_insert(&cur->state->devices, &device->link);
}
void wlr_cursor_detach_input_device(struct wlr_cursor *cur,
struct wlr_input_device *dev) {
struct wlr_cursor_device *target_device = NULL, *_device = NULL;
wl_list_for_each(_device, &cur->state->devices, link) {
if (_device->device == dev) {
target_device = _device;
break;
}
}
if (target_device) {
wl_list_remove(&target_device->link);
free(target_device);
}
}
void wlr_cursor_attach_output_layout(struct wlr_cursor *cur,
struct wlr_output_layout *l) {
cur->state->layout = l;
}
void wlr_cursor_map_to_output(struct wlr_cursor *cur,
struct wlr_output *output) {
cur->state->mapped_output = output;
}
void wlr_cursor_map_input_to_output(struct wlr_cursor *cur,
struct wlr_input_device *dev, struct wlr_output *output) {
struct wlr_cursor_device *c_device = get_cursor_device(cur, dev);
if (!c_device) {
wlr_log(L_ERROR, "Cannot map device \"%s\" to output"
"(not found in this cursor)", dev->name);
return;
}
c_device->mapped_output = output;
}
void wlr_cursor_map_to_region(struct wlr_cursor *cur,
struct wlr_box *box) {
if (box && wlr_box_empty(box)) {
wlr_log(L_ERROR, "cannot map cursor to an empty region");
return;
}
cur->state->mapped_box = box;
}
void wlr_cursor_map_input_to_region(struct wlr_cursor *cur,
struct wlr_input_device *dev, struct wlr_box *box) {
if (box && wlr_box_empty(box)) {
wlr_log(L_ERROR, "cannot map device \"%s\" input to an empty region",
dev->name);
return;
}
struct wlr_cursor_device *c_device = get_cursor_device(cur, dev);
if (!c_device) {
wlr_log(L_ERROR, "Cannot map device \"%s\" to geometry (not found in"
"this cursor)", dev->name);
return;
}
c_device->mapped_box = box;
}

4
types/wlr_input_device.c
View file

@ -20,6 +20,8 @@ void wlr_input_device_init(struct wlr_input_device *dev,
dev->name = strdup(name);
dev->vendor = vendor;
dev->product = product;
wl_signal_init(&dev->events.destroy);
}
void wlr_input_device_destroy(struct wlr_input_device *dev) {
@ -27,6 +29,8 @@ void wlr_input_device_destroy(struct wlr_input_device *dev) {
return;
}
wl_signal_emit(&dev->events.destroy, dev);
if (dev->_device) {
switch (dev->type) {
case WLR_INPUT_DEVICE_KEYBOARD:

184
types/wlr_output_layout.c
View file

@ -1,15 +1,37 @@
#include <wlr/util/log.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_box.h>
#include <limits.h>
#include <float.h>
#include <stdlib.h>
#include <assert.h>
struct wlr_output_layout_state {
struct wlr_box *_box;
};
struct wlr_output_layout_output_state {
struct wlr_box *_box;
};
struct wlr_output_layout *wlr_output_layout_init() {
struct wlr_output_layout *layout = calloc(1, sizeof(struct wlr_output_layout));
struct wlr_output_layout *layout =
calloc(1, sizeof(struct wlr_output_layout));
layout->state = calloc(1, sizeof(struct wlr_output_layout_state));
layout->state->_box = calloc(1, sizeof(struct wlr_box));
wl_list_init(&layout->outputs);
return layout;
}
static void wlr_output_layout_output_destroy(
struct wlr_output_layout_output *l_output) {
wl_list_remove(&l_output->link);
free(l_output->state->_box);
free(l_output->state);
free(l_output);
}
void wlr_output_layout_destroy(struct wlr_output_layout *layout) {
if (!layout) {
return;
@ -17,28 +39,32 @@ void wlr_output_layout_destroy(struct wlr_output_layout *layout) {
struct wlr_output_layout_output *_output, *temp = NULL;
wl_list_for_each_safe(_output, temp, &layout->outputs, link) {
wl_list_remove(&_output->link);
free(_output);
wlr_output_layout_output_destroy(_output);
}
free(layout->state->_box);
free(layout->state);
free(layout);
}
void wlr_output_layout_add(struct wlr_output_layout *layout,
struct wlr_output *output, int x, int y) {
struct wlr_output_layout_output *layout_output = calloc(1, sizeof(struct wlr_output_layout_output));
layout_output->output = output;
layout_output->x = x;
layout_output->y = y;
wl_list_insert(&layout->outputs, &layout_output->link);
struct wlr_output_layout_output *l_output;
l_output= calloc(1, sizeof(struct wlr_output_layout_output));
l_output->state = calloc(1, sizeof(struct wlr_output_layout_output_state));
l_output->state->_box = calloc(1, sizeof(struct wlr_box));
l_output->output = output;
l_output->x = x;
l_output->y = y;
wl_list_insert(&layout->outputs, &l_output->link);
}
struct wlr_output_layout_output *wlr_output_layout_get(
struct wlr_output_layout *layout, struct wlr_output *reference) {
struct wlr_output_layout_output *_output;
wl_list_for_each(_output, &layout->outputs, link) {
if (_output->output == reference) {
return _output;
struct wlr_output_layout_output *l_output;
wl_list_for_each(l_output, &layout->outputs, link) {
if (l_output->output == reference) {
return l_output;
}
}
return NULL;
@ -52,15 +78,21 @@ static bool output_contains_point( struct wlr_output_layout_output *l_output,
bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
struct wlr_output *reference, int x, int y) {
struct wlr_output_layout_output *layout_output = wlr_output_layout_get(layout, reference);
if (reference) {
struct wlr_output_layout_output *layout_output =
wlr_output_layout_get(layout, reference);
int width, height;
wlr_output_effective_resolution(layout_output->output, &width, &height);
return output_contains_point(layout_output, x, y, width, height);
} else {
return !!wlr_output_layout_output_at(layout, x, y);
}
}
bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
struct wlr_output *reference, int x1, int y1, int x2, int y2) {
struct wlr_output_layout_output *l_output = wlr_output_layout_get(layout, reference);
struct wlr_output_layout_output *l_output =
wlr_output_layout_get(layout, reference);
if (!l_output) {
return false;
}
@ -76,15 +108,15 @@ bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
struct wlr_output *wlr_output_layout_output_at(struct wlr_output_layout *layout,
double x, double y) {
struct wlr_output_layout_output *_output;
wl_list_for_each(_output, &layout->outputs, link) {
if (_output->output) {
struct wlr_output_layout_output *l_output;
wl_list_for_each(l_output, &layout->outputs, link) {
if (l_output->output) {
int width, height;
wlr_output_effective_resolution(_output->output, &width, &height);
bool has_x = x >= _output->x && x <= _output->x + width;
bool has_y = y >= _output->y && y <= _output->y + height;
wlr_output_effective_resolution(l_output->output, &width, &height);
bool has_x = x >= l_output->x && x <= l_output->x + width;
bool has_y = y >= l_output->y && y <= l_output->y + height;
if (has_x && has_y) {
return _output->output;
return l_output->output;
}
}
}
@ -93,36 +125,112 @@ struct wlr_output *wlr_output_layout_output_at(struct wlr_output_layout *layout,
void wlr_output_layout_move(struct wlr_output_layout *layout,
struct wlr_output *output, int x, int y) {
struct wlr_output_layout_output *layout_output =
struct wlr_output_layout_output *l_output =
wlr_output_layout_get(layout, output);
if (layout_output) {
layout_output->x = x;
layout_output->y = y;
if (l_output) {
l_output->x = x;
l_output->y = y;
}
}
void wlr_output_layout_remove(struct wlr_output_layout *layout,
struct wlr_output *output) {
struct wlr_output_layout_output *layout_output =
wlr_output_layout_get(layout, output);
if (layout_output) {
wl_list_remove(&layout_output->link);
free(layout_output);
struct wlr_output_layout_output *l_output;
l_output= wlr_output_layout_get(layout, output);
if (l_output) {
wlr_output_layout_output_destroy(l_output);
}
}
void wlr_output_layout_output_coords(struct wlr_output_layout *layout,
struct wlr_output *reference, int *x, int *y) {
struct wlr_output *reference, double *x, double *y) {
assert(layout && reference);
int src_x = *x;
int src_y = *y;
double src_x = *x;
double src_y = *y;
struct wlr_output_layout_output *_output;
wl_list_for_each(_output, &layout->outputs, link) {
if (_output->output == reference) {
*x = src_x - _output->x;
*y = src_y - _output->y;
struct wlr_output_layout_output *l_output;
wl_list_for_each(l_output, &layout->outputs, link) {
if (l_output->output == reference) {
*x = src_x - (double)l_output->x;
*y = src_y - (double)l_output->y;
return;
}
}
}
static struct wlr_box *wlr_output_layout_output_get_box(
struct wlr_output_layout_output *l_output) {
l_output->state->_box->x = l_output->x;
l_output->state->_box->y = l_output->y;
wlr_output_effective_resolution(l_output->output,
&l_output->state->_box->width, &l_output->state->_box->height);
return l_output->state->_box;
}
void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
struct wlr_output *reference, double x, double y, double *dest_x,
double *dest_y) {
double min_x = DBL_MAX, min_y = DBL_MAX, min_distance = DBL_MAX;
struct wlr_output_layout_output *l_output;
wl_list_for_each(l_output, &layout->outputs, link) {
if (reference != NULL && reference != l_output->output) {
continue;
}
double output_x, output_y, output_distance;
struct wlr_box *box = wlr_output_layout_output_get_box(l_output);
wlr_box_closest_point(box, x, y, &output_x, &output_y);
// calculate squared distance suitable for comparison
output_distance =
(x - output_x) * (x - output_x) + (y - output_y) * (y - output_y);
if (output_distance < min_distance) {
min_x = output_x;
min_y = output_y;
min_distance = output_distance;
}
}
*dest_x = min_x;
*dest_y = min_y;
}
struct wlr_box *wlr_output_layout_get_box(
struct wlr_output_layout *layout, struct wlr_output *reference) {
struct wlr_output_layout_output *l_output;
if (reference) {
// output extents
l_output= wlr_output_layout_get(layout, reference);
return wlr_output_layout_output_get_box(l_output);
} else {
// layout extents
int min_x = INT_MAX, min_y = INT_MAX;
int max_x = INT_MIN, max_y = INT_MIN;
wl_list_for_each(l_output, &layout->outputs, link) {
int width, height;
wlr_output_effective_resolution(l_output->output, &width, &height);
if (l_output->x < min_x) {
min_x = l_output->x;
}
if (l_output->y < min_y) {
min_y = l_output->y;
}
if (l_output->x + width > max_x) {
max_x = l_output->x + width;
}
if (l_output->y + height > max_y) {
max_y = l_output->y + height;
}
}
layout->state->_box->x = min_x;
layout->state->_box->y = min_y;
layout->state->_box->width = max_x - min_x;
layout->state->_box->height = max_y - min_y;
return layout->state->_box;
}
// not reached
}