refactor and rename wlr_geometry to wlr_box

This commit is contained in:
Tony Crisci 2017-08-29 12:08:49 -04:00
parent a51b76083e
commit 9b65d0b3f0
12 changed files with 159 additions and 178 deletions

View file

@ -8,7 +8,7 @@
#include <unistd.h>
#include <sys/param.h>
#include <wlr/util/log.h>
#include <wlr/types/wlr_geometry.h>
#include <wlr/types/wlr_box.h>
#include "shared.h"
#include "config.h"
#include "ini.h"
@ -25,7 +25,7 @@ static void usage(const char *name, int ret) {
exit(ret);
}
static struct wlr_geometry *parse_geometry(const char *str) {
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");
@ -33,7 +33,7 @@ static struct wlr_geometry *parse_geometry(const char *str) {
}
char *buf = strdup(str);
struct wlr_geometry *geo = calloc(1, sizeof(struct wlr_geometry));
struct wlr_box *box = calloc(1, sizeof(struct wlr_box));
bool has_width = false;
bool has_height = false;
@ -56,16 +56,16 @@ static struct wlr_geometry *parse_geometry(const char *str) {
}
if (!has_width) {
geo->width = val;
box->width = val;
has_width = true;
} else if (!has_height) {
geo->height = val;
box->height = val;
has_height = true;
} else if (!has_x) {
geo->x = val;
box->x = val;
has_x = true;
} else if (!has_y) {
geo->y = val;
box->y = val;
has_y = true;
} else {
break;
@ -78,12 +78,12 @@ static struct wlr_geometry *parse_geometry(const char *str) {
}
free(buf);
return geo;
return box;
invalid_input:
wlr_log(L_ERROR, "could not parse geometry string: %s", str);
free(buf);
free(geo);
free(box);
return NULL;
}
@ -140,8 +140,8 @@ static int config_ini_handler(void *user, const char *section, const char *name,
free(config->cursor.mapped_output);
config->cursor.mapped_output = strdup(value);
} else if (strcmp(name, "geometry") == 0) {
free(config->cursor.mapped_geo);
config->cursor.mapped_geo = parse_geometry(value);
free(config->cursor.mapped_box);
config->cursor.mapped_box = parse_geometry(value);
} else {
wlr_log(L_ERROR, "got unknown cursor config: %s", name);
}
@ -167,8 +167,8 @@ static int config_ini_handler(void *user, const char *section, const char *name,
free(dc->mapped_output);
dc->mapped_output = strdup(value);
} else if (strcmp(name, "geometry") == 0) {
free(dc->mapped_geo);
dc->mapped_geo = parse_geometry(value);
free(dc->mapped_box);
dc->mapped_box = parse_geometry(value);
} else {
wlr_log(L_ERROR, "got unknown device config: %s", name);
}
@ -239,8 +239,8 @@ void example_config_destroy(struct example_config *config) {
if (dc->mapped_output) {
free(dc->mapped_output);
}
if (dc->mapped_geo) {
free(dc->mapped_geo);
if (dc->mapped_box) {
free(dc->mapped_box);
}
free(dc);
}
@ -251,8 +251,8 @@ void example_config_destroy(struct example_config *config) {
if (config->cursor.mapped_output) {
free(config->cursor.mapped_output);
}
if (config->cursor.mapped_geo) {
free(config->cursor.mapped_geo);
if (config->cursor.mapped_box) {
free(config->cursor.mapped_box);
}
free(config);
}

View file

@ -15,14 +15,14 @@ struct output_config {
struct device_config {
char *name;
char *mapped_output;
struct wlr_geometry *mapped_geo;
struct wlr_box *mapped_box;
struct wl_list link;
};
struct example_config {
struct {
char *mapped_output;
struct wlr_geometry *mapped_geo;
struct wlr_box *mapped_box;
} cursor;
struct wl_list outputs;

View file

@ -105,7 +105,7 @@ static void configure_devices(struct sample_state *sample) {
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_geo);
dc->mapped_box);
}
}
}
@ -341,7 +341,7 @@ int main(int argc, char *argv[]) {
state.config = parse_args(argc, argv);
state.cursor = wlr_cursor_create();
wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_geo);
wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_box);
wl_list_init(&state.devices);
// pointer events

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

View file

@ -4,7 +4,7 @@
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_geometry.h>
#include <wlr/types/wlr_box.h>
#include <wlr/xcursor.h>
struct wlr_cursor_state;
@ -100,13 +100,13 @@ void wlr_cursor_map_input_to_output(struct wlr_cursor *cur,
/**
* 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_geometry *geo);
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_geometry *geo);
struct wlr_input_device *dev, struct wlr_box *box);
#endif

View file

@ -1,20 +0,0 @@
#ifndef _WLR_TYPES_GEOMETRY_H
#define _WLR_TYPES_GEOMETRY_H
#include <stdbool.h>
struct wlr_geometry {
int x, y;
int width, height;
};
void wlr_geometry_closest_boundary(struct wlr_geometry *geo, double x, double y,
int *dest_x, int *dest_y, double *distance);
bool wlr_geometry_intersection(struct wlr_geometry *geo_a,
struct wlr_geometry *geo_b, struct wlr_geometry **dest);
bool wlr_geometry_contains_point(struct wlr_geometry *geo, int x, int y);
bool wlr_geometry_empty(struct wlr_geometry *geo);
#endif

View file

@ -62,10 +62,10 @@ void wlr_output_layout_closest_boundary(struct wlr_output_layout *layout,
double *dest_y);
/**
* Get the geometry of the layout for the given reference output. If `reference`
* is NULL, the geometry will be for the extents of the entire layout.
* 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_geometry *wlr_output_layout_get_geometry(
struct wlr_box *wlr_output_layout_get_box(
struct wlr_output_layout *layout, struct wlr_output *reference);
#endif

View file

@ -16,7 +16,7 @@ lib_wlr_types = static_library('wlr_types', files(
'wlr_xdg_shell_v6.c',
'wlr_wl_shell.c',
'wlr_compositor.c',
'wlr_geometry.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;
}
}

View file

@ -13,7 +13,7 @@ struct wlr_cursor_device {
struct wlr_input_device *device;
struct wl_list link;
struct wlr_output *mapped_output;
struct wlr_geometry *mapped_geometry;
struct wlr_box *mapped_box;
struct wl_listener motion;
struct wl_listener motion_absolute;
@ -38,7 +38,7 @@ struct wlr_cursor_state {
struct wlr_output_layout *layout;
struct wlr_xcursor *xcursor;
struct wlr_output *mapped_output;
struct wlr_geometry *mapped_geometry;
struct wlr_box *mapped_box;
};
struct wlr_cursor *wlr_cursor_create() {
@ -149,26 +149,26 @@ static void wlr_cursor_warp_unchecked(struct wlr_cursor *cur,
* If none of these are set, returns NULL and absolute movement should be
* relative to the extents of the layout.
*/
static struct wlr_geometry *get_mapping(struct wlr_cursor *cur,
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_geometry) {
return c_device->mapped_geometry;
if (c_device->mapped_box) {
return c_device->mapped_box;
}
if (c_device->mapped_output) {
return wlr_output_layout_get_geometry(cur->state->layout,
return wlr_output_layout_get_box(cur->state->layout,
c_device->mapped_output);
}
}
if (cur->state->mapped_geometry) {
return cur->state->mapped_geometry;
if (cur->state->mapped_box) {
return cur->state->mapped_box;
}
if (cur->state->mapped_output) {
return wlr_output_layout_get_geometry(cur->state->layout,
return wlr_output_layout_get_box(cur->state->layout,
cur->state->mapped_output);
}
@ -180,10 +180,10 @@ bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
assert(cur->state->layout);
bool result = false;
struct wlr_geometry *mapping = get_mapping(cur, dev);
struct wlr_box *mapping = get_mapping(cur, dev);
if (mapping) {
if (wlr_geometry_contains_point(mapping, x, y)) {
if (wlr_box_contains_point(mapping, x, y)) {
wlr_cursor_warp_unchecked(cur, x, y);
result = true;
}
@ -200,9 +200,9 @@ 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_geometry *mapping = get_mapping(cur, dev);
struct wlr_box *mapping = get_mapping(cur, dev);
if (!mapping) {
mapping = wlr_output_layout_get_geometry(cur->state->layout, NULL);
mapping = wlr_output_layout_get_box(cur->state->layout, NULL);
}
double x = mapping->width * x_mm + mapping->x;
@ -218,15 +218,15 @@ void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
double x = cur->x + delta_x;
double y = cur->y + delta_y;
struct wlr_geometry *mapping = get_mapping(cur, dev);
struct wlr_box *mapping = get_mapping(cur, dev);
if (mapping) {
int boundary_x, boundary_y;
if (!wlr_geometry_contains_point(mapping, x, y)) {
wlr_geometry_closest_boundary(mapping, x, y, &boundary_x,
&boundary_y, NULL);
x = boundary_x;
y = boundary_y;
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)) {
@ -452,18 +452,18 @@ void wlr_cursor_map_input_to_output(struct wlr_cursor *cur,
}
void wlr_cursor_map_to_region(struct wlr_cursor *cur,
struct wlr_geometry *geo) {
if (geo && wlr_geometry_empty(geo)) {
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_geometry = geo;
cur->state->mapped_box = box;
}
void wlr_cursor_map_input_to_region(struct wlr_cursor *cur,
struct wlr_input_device *dev, struct wlr_geometry *geo) {
if (geo && wlr_geometry_empty(geo)) {
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;
@ -476,5 +476,5 @@ void wlr_cursor_map_input_to_region(struct wlr_cursor *cur,
return;
}
c_device->mapped_geometry = geo;
c_device->mapped_box = box;
}

View file

@ -1,86 +0,0 @@
#include <limits.h>
#include <stdlib.h>
#include <math.h>
#include <stdbool.h>
#include <wlr/types/wlr_geometry.h>
#include <wlr/util/log.h>
static double get_distance(double x1, double y1, double x2, double y2) {
double distance;
distance = sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
return distance;
}
void wlr_geometry_closest_boundary(struct wlr_geometry *geo, double x, double y,
int *dest_x, int *dest_y, double *distance) {
// find the closest x point
if (x < geo->x) {
*dest_x = geo->x;
} else if (x > geo->x + geo->width) {
*dest_x = geo->x + geo->width;
} else {
*dest_x = x;
}
// find closest y point
if (y < geo->y) {
*dest_y = geo->y;
} else if (y > geo->y + geo->height) {
*dest_y = geo->y + geo->height;
} else {
*dest_y = y;
}
// calculate distance
if (distance) {
*distance = get_distance(*dest_x, *dest_y, x, y);
}
}
#ifndef max
#define max(a,b) ((a) > (b) ? (a) : (b))
#endif
#ifndef min
#define min(a,b) ((a) < (b) ? (a) : (b))
#endif
bool wlr_geometry_empty(struct wlr_geometry *geo) {
return geo == NULL || geo->width <= 0 || geo->height <= 0;
}
bool wlr_geometry_intersection(struct wlr_geometry *geo_a,
struct wlr_geometry *geo_b, struct wlr_geometry **geo_dest) {
struct wlr_geometry *dest = *geo_dest;
bool a_empty = wlr_geometry_empty(geo_a);
bool b_empty = wlr_geometry_empty(geo_b);
if (a_empty || b_empty) {
dest->x = 0;
dest->y = 0;
dest->width = -100;
dest->height = -100;
return false;
}
int x1 = max(geo_a->x, geo_b->x);
int y1 = max(geo_a->y, geo_b->y);
int x2 = min(geo_a->x + geo_a->width, geo_b->x + geo_b->width);
int y2 = min(geo_a->y + geo_a->height, geo_b->y + geo_b->height);
dest->x = x1;
dest->y = y1;
dest->width = x2 - x1;
dest->height = y2 - y1;
return !wlr_geometry_empty(dest);
}
bool wlr_geometry_contains_point(struct wlr_geometry *geo, int x, int y) {
if (wlr_geometry_empty(geo)) {
return false;
} else {
return x >= geo->x && x <= geo->x + geo->width &&
y >= geo->y && y <= geo->y + geo->height;
}
}

View file

@ -1,24 +1,24 @@
#include <wlr/util/log.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_geometry.h>
#include <wlr/types/wlr_box.h>
#include <limits.h>
#include <stdlib.h>
#include <assert.h>
struct wlr_output_layout_state {
struct wlr_geometry *_geo;
struct wlr_box *_box;
};
struct wlr_output_layout_output_state {
struct wlr_geometry *_geo;
struct wlr_box *_box;
};
struct wlr_output_layout *wlr_output_layout_init() {
struct wlr_output_layout *layout =
calloc(1, sizeof(struct wlr_output_layout));
layout->state = calloc(1, sizeof(struct wlr_output_layout_state));
layout->state->_geo = calloc(1, sizeof(struct wlr_geometry));
layout->state->_box = calloc(1, sizeof(struct wlr_box));
wl_list_init(&layout->outputs);
return layout;
}
@ -26,7 +26,7 @@ struct wlr_output_layout *wlr_output_layout_init() {
static void wlr_output_layout_output_destroy(
struct wlr_output_layout_output *l_output) {
wl_list_remove(&l_output->link);
free(l_output->state->_geo);
free(l_output->state->_box);
free(l_output->state);
free(l_output);
}
@ -41,7 +41,7 @@ void wlr_output_layout_destroy(struct wlr_output_layout *layout) {
wlr_output_layout_output_destroy(_output);
}
free(layout->state->_geo);
free(layout->state->_box);
free(layout->state);
free(layout);
}
@ -51,7 +51,7 @@ void wlr_output_layout_add(struct wlr_output_layout *layout,
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->_geo = calloc(1, sizeof(struct wlr_geometry));
l_output->state->_box = calloc(1, sizeof(struct wlr_box));
l_output->output = output;
l_output->x = x;
l_output->y = y;
@ -178,7 +178,7 @@ void wlr_output_layout_closest_boundary(struct wlr_output_layout *layout,
wlr_output_effective_resolution(l_output->output, &width, &height);
// find the closest x point
// TODO use wlr_geometry_closest_boundary
// TODO use wlr_box_closest_boundary
if (x < l_output->x) {
output_x = l_output->x;
} else if (x > l_output->x + width) {
@ -209,17 +209,17 @@ void wlr_output_layout_closest_boundary(struct wlr_output_layout *layout,
*dest_y = min_y;
}
struct wlr_geometry *wlr_output_layout_get_geometry(
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);
l_output->state->_geo->x = l_output->x;
l_output->state->_geo->y = l_output->y;
l_output->state->_box->x = l_output->x;
l_output->state->_box->y = l_output->y;
wlr_output_effective_resolution(reference,
&l_output->state->_geo->width, &l_output->state->_geo->height);
return l_output->state->_geo;
&l_output->state->_box->width, &l_output->state->_box->height);
return l_output->state->_box;
} else {
// layout extents
int min_x = INT_MAX, min_y = INT_MAX;
@ -241,12 +241,12 @@ struct wlr_geometry *wlr_output_layout_get_geometry(
}
}
layout->state->_geo->x = min_x;
layout->state->_geo->y = min_y;
layout->state->_geo->width = max_x - min_x;
layout->state->_geo->height = max_y - min_y;
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->_geo;
return layout->state->_box;
}
// not reached