main.c (17198B)
#include "proto/virtual-keyboard-unstable-v1-client-protocol.h"
#include "proto/wlr-layer-shell-unstable-v1-client-protocol.h"
#include <linux/input-event-codes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wchar.h>
#include "keyboard.h"
#include "config.h"
/* lazy die macro */
#define die(...) \
fprintf(stderr, __VA_ARGS__); \
exit(1)
/* client state */
static const char *namespace = "wlroots";
static struct wl_display *display;
static struct wl_compositor *compositor;
static struct wl_seat *seat;
static struct wl_pointer *pointer;
static struct wl_touch *touch;
static struct wl_output *wl_output;
static struct zwlr_layer_shell_v1 *layer_shell;
static struct zwlr_layer_surface_v1 *layer_surface;
static struct zwp_virtual_keyboard_manager_v1 *vkbd_mgr;
/* drawing */
static struct drw draw_ctx;
static struct drwsurf draw_surf;
/* layer surface parameters */
static uint32_t layer = ZWLR_LAYER_SHELL_V1_LAYER_TOP;
static uint32_t anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM |
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
/* application state */
static bool run_display = true;
static int cur_x = -1, cur_y = -1;
static bool cur_press = false;
static struct kbd keyboard;
static uint32_t height, normal_height, landscape_height;
/* event handler prototypes */
static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t surface_x, wl_fixed_t surface_y);
static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, struct wl_surface *surface);
static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
uint32_t time, wl_fixed_t surface_x,
wl_fixed_t surface_y);
static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, uint32_t time, uint32_t button,
uint32_t state);
static void wl_touch_down(void *data, struct wl_touch *wl_touch,
uint32_t serial, uint32_t time,
struct wl_surface *surface, int32_t id, wl_fixed_t x,
wl_fixed_t y);
static void wl_touch_up(void *data, struct wl_touch *wl_touch, uint32_t serial,
uint32_t time, int32_t id);
static void wl_touch_motion(void *data, struct wl_touch *wl_touch,
uint32_t time, int32_t id, wl_fixed_t x,
wl_fixed_t y);
static void wl_touch_frame(void *data, struct wl_touch *wl_touch);
static void wl_touch_cancel(void *data, struct wl_touch *wl_touch);
static void wl_touch_shape(void *data, struct wl_touch *wl_touch, int32_t id,
wl_fixed_t major, wl_fixed_t minor);
static void wl_touch_orientation(void *data, struct wl_touch *wl_touch,
int32_t id, wl_fixed_t orientation);
static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
enum wl_seat_capability caps);
static void seat_handle_name(void *data, struct wl_seat *wl_seat,
const char *name);
static void handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface,
uint32_t version);
static void handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name);
static void layer_surface_configure(void *data,
struct zwlr_layer_surface_v1 *surface,
uint32_t serial, uint32_t w, uint32_t h);
static void layer_surface_closed(void *data,
struct zwlr_layer_surface_v1 *surface);
/* event handlers */
static const struct wl_pointer_listener pointer_listener = {
.enter = wl_pointer_enter,
.leave = wl_pointer_leave,
.motion = wl_pointer_motion,
.button = wl_pointer_button,
};
static const struct wl_touch_listener touch_listener = {
.down = wl_touch_down,
.up = wl_touch_up,
.motion = wl_touch_motion,
.frame = wl_touch_frame,
.cancel = wl_touch_cancel,
.shape = wl_touch_shape,
.orientation = wl_touch_orientation,
};
static const struct wl_seat_listener seat_listener = {
.capabilities = seat_handle_capabilities,
.name = seat_handle_name,
};
static const struct wl_registry_listener registry_listener = {
.global = handle_global,
.global_remove = handle_global_remove,
};
static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
.configure = layer_surface_configure,
.closed = layer_surface_closed,
};
/* configuration, allows nested code to access above variables */
char *
estrdup(const char *s) {
char *p;
if (!(p = strdup(s))) {
fprintf(stderr, "strdup:");
exit(6);
}
return p;
}
void
wl_touch_down(void *data, struct wl_touch *wl_touch, uint32_t serial,
uint32_t time, struct wl_surface *surface, int32_t id,
wl_fixed_t x, wl_fixed_t y) {
struct key *next_key;
uint32_t touch_x, touch_y;
touch_x = wl_fixed_to_int(x);
touch_y = wl_fixed_to_int(y);
kbd_unpress_key(&keyboard, time);
next_key = kbd_get_key(&keyboard, touch_x, touch_y);
if (next_key) {
kbd_press_key(&keyboard, next_key, time);
}
}
void
wl_touch_up(void *data, struct wl_touch *wl_touch, uint32_t serial,
uint32_t time, int32_t id) {
kbd_release_key(&keyboard, time);
}
void
wl_touch_motion(void *data, struct wl_touch *wl_touch, uint32_t time,
int32_t id, wl_fixed_t x, wl_fixed_t y) {
uint32_t touch_x, touch_y;
touch_x = wl_fixed_to_int(x);
touch_y = wl_fixed_to_int(y);
kbd_motion_key(&keyboard, time, touch_x, touch_y);
}
void
wl_touch_frame(void *data, struct wl_touch *wl_touch) {}
void
wl_touch_cancel(void *data, struct wl_touch *wl_touch) {}
void
wl_touch_shape(void *data, struct wl_touch *wl_touch, int32_t id,
wl_fixed_t major, wl_fixed_t minor) {}
void
wl_touch_orientation(void *data, struct wl_touch *wl_touch, int32_t id,
wl_fixed_t orientation) {}
void
wl_pointer_enter(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
struct wl_surface *surface, wl_fixed_t surface_x,
wl_fixed_t surface_y) {}
void
wl_pointer_leave(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
struct wl_surface *surface) {
cur_x = cur_y = -1;
}
void
wl_pointer_motion(void *data, struct wl_pointer *wl_pointer, uint32_t time,
wl_fixed_t surface_x, wl_fixed_t surface_y) {
cur_x = wl_fixed_to_int(surface_x);
cur_y = wl_fixed_to_int(surface_y);
if (cur_press) {
kbd_motion_key(&keyboard, time, cur_x, cur_y);
}
}
void
wl_pointer_button(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
uint32_t time, uint32_t button, uint32_t state) {
struct key *next_key;
cur_press = state == WL_POINTER_BUTTON_STATE_PRESSED;
if (cur_press) {
kbd_unpress_key(&keyboard, time);
} else {
kbd_release_key(&keyboard, time);
}
if (cur_press && cur_x >= 0 && cur_y >= 0) {
next_key = kbd_get_key(&keyboard, cur_x, cur_y);
if (next_key) {
kbd_press_key(&keyboard, next_key, time);
}
}
}
void
seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
enum wl_seat_capability caps) {
if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
pointer = wl_seat_get_pointer(wl_seat);
wl_pointer_add_listener(pointer, &pointer_listener, NULL);
}
if ((caps & WL_SEAT_CAPABILITY_TOUCH)) {
touch = wl_seat_get_touch(wl_seat);
wl_touch_add_listener(touch, &touch_listener, NULL);
}
}
void
seat_handle_name(void *data, struct wl_seat *wl_seat, const char *name) {}
static void
display_handle_geometry(void *data, struct wl_output *wl_output, int x, int y,
int physical_width, int physical_height, int subpixel,
const char *make, const char *model, int transform) {
if (transform % 2 == 0 && keyboard.landscape) {
keyboard.landscape = false;
height = normal_height;
} else if (transform % 2 != 0 && !keyboard.landscape) {
keyboard.landscape = true;
height = landscape_height;
} else {
return; // no changes
}
enum layout_id layer;
if (keyboard.landscape) {
layer = keyboard.landscape_layers[0];
} else {
layer = keyboard.layers[0];
}
keyboard.layout = &keyboard.layouts[layer];
keyboard.prevlayout = keyboard.layout;
zwlr_layer_surface_v1_set_size(layer_surface, 0, height);
zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, height);
wl_surface_commit(draw_surf.surf);
}
static void
display_handle_done(void *data, struct wl_output *wl_output) {}
static void
display_handle_scale(void *data, struct wl_output *wl_output, int32_t scale) {
keyboard.s = scale;
}
static void
display_handle_mode(void *data, struct wl_output *wl_output, uint32_t flags,
int width, int height, int refresh) {}
static const struct wl_output_listener output_listener = {
.geometry = display_handle_geometry,
.mode = display_handle_mode,
.done = display_handle_done,
.scale = display_handle_scale};
void
handle_global(void *data, struct wl_registry *registry, uint32_t name,
const char *interface, uint32_t version) {
if (strcmp(interface, wl_compositor_interface.name) == 0) {
compositor = wl_registry_bind(registry, name, &wl_compositor_interface, 3);
} else if (strcmp(interface, wl_shm_interface.name) == 0) {
draw_ctx.shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
} else if (strcmp(interface, "wl_output") == 0) {
if (!wl_output) {
wl_output = wl_registry_bind(registry, name, &wl_output_interface, 2);
keyboard.s = 1;
wl_output_add_listener(wl_output, &output_listener, NULL);
}
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
seat = wl_registry_bind(registry, name, &wl_seat_interface, 1);
wl_seat_add_listener(seat, &seat_listener, NULL);
} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
layer_shell =
wl_registry_bind(registry, name, &zwlr_layer_shell_v1_interface, 1);
} else if (strcmp(interface,
zwp_virtual_keyboard_manager_v1_interface.name) == 0) {
vkbd_mgr = wl_registry_bind(registry, name,
&zwp_virtual_keyboard_manager_v1_interface, 1);
}
}
void
handle_global_remove(void *data, struct wl_registry *registry, uint32_t name) {}
void
layer_surface_configure(void *data, struct zwlr_layer_surface_v1 *surface,
uint32_t serial, uint32_t w, uint32_t h) {
keyboard.w = w + KBD_PIXEL_OVERSCAN_WIDTH;
keyboard.h = h;
kbd_resize(&keyboard, layouts, NumLayouts);
zwlr_layer_surface_v1_ack_configure(surface, serial);
}
void
layer_surface_closed(void *data, struct zwlr_layer_surface_v1 *surface) {
zwlr_layer_surface_v1_destroy(surface);
wl_surface_destroy(draw_surf.surf);
run_display = false;
}
void
usage(char *argv0) {
fprintf(stderr,
"usage: %s [-hov] [-H height] [-L landscape height] [-fn font] [-l "
"layers]\n",
argv0);
fprintf(stderr, "Options:\n");
fprintf(stderr, " -D - Enable debug\n");
fprintf(stderr, " -o - Print pressed keys to standard output\n");
fprintf(stderr, " -O - Print intersected keys to standard output\n");
fprintf(stderr, " -l - Comma separated list of layers\n");
fprintf(stderr, " -H [int] - Height in pixels\n");
fprintf(stderr, " -L [int] - Landscape height in pixels\n");
fprintf(stderr, " --fn [font] - Set font (e.g: DejaVu Sans 20)\n");
fprintf(stderr, " --hidden - Start hidden (send SIGUSR2 to show)\n");
}
void
hide(int sigint) {
signal(SIGUSR1, hide);
if (!layer_surface) {
return;
}
zwlr_layer_surface_v1_destroy(layer_surface);
wl_surface_destroy(draw_surf.surf);
layer_surface = NULL;
if (draw_surf.cb) {
wl_callback_destroy(draw_surf.cb);
draw_surf.cb = NULL;
}
}
void
show(int sigint) {
signal(SIGUSR2, show);
if (layer_surface) {
return;
}
wl_display_sync(display);
draw_surf.surf = wl_compositor_create_surface(compositor);
;
layer_surface = zwlr_layer_shell_v1_get_layer_surface(
layer_shell, draw_surf.surf, wl_output, layer, namespace);
zwlr_layer_surface_v1_set_size(layer_surface, 0, height);
zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, height);
zwlr_layer_surface_v1_set_keyboard_interactivity(layer_surface, false);
zwlr_layer_surface_v1_add_listener(layer_surface, &layer_surface_listener,
NULL);
wl_surface_commit(draw_surf.surf);
wl_display_roundtrip(display);
drwsurf_flip(&draw_surf);
}
int
main(int argc, char **argv) {
/* parse command line arguments */
char *layer_names_list = NULL;
const char *fc_font_pattern = NULL;
height = normal_height = KBD_PIXEL_HEIGHT;
landscape_height = KBD_PIXEL_LANDSCAPE_HEIGHT;
char *tmp;
if ((tmp = getenv("WVKBD_LAYERS")))
layer_names_list = estrdup(tmp);
if ((tmp = getenv("WVKBD_HEIGHT")))
normal_height = atoi(tmp);
if ((tmp = getenv("WVKBD_LANDSCAPE_HEIGHT")))
landscape_height = atoi(tmp);
/* keyboard settings */
keyboard.layers = (enum layout_id *)&layers;
keyboard.landscape_layers = (enum layout_id *)&landscape_layers;
keyboard.scheme = scheme;
keyboard.layer_index = 0;
keyboard.scheme1 = scheme1;
keyboard.scheme1 = scheme1;
bool starthidden = false;
int i;
for (i = 1; argv[i]; i++) {
if ((!strcmp(argv[i], "-v")) || (!strcmp(argv[i], "--version"))) {
printf("wvkbd-%s", VERSION);
exit(0);
} else if ((!strcmp(argv[i], "-h")) || (!strcmp(argv[i], "--help"))) {
usage(argv[0]);
exit(0);
} else if (!strcmp(argv[i], "-l")) {
if (i >= argc - 1) {
usage(argv[0]);
exit(1);
}
if (layer_names_list)
free(layer_names_list);
layer_names_list = estrdup(argv[++i]);
} else if (!strcmp(argv[i], "-H")) {
if (i >= argc - 1) {
usage(argv[0]);
exit(1);
}
height = normal_height = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-L")) {
if (i >= argc - 1) {
usage(argv[0]);
exit(1);
}
landscape_height = atoi(argv[++i]);
} else if (!strcmp(argv[i], "-D")) {
keyboard.debug = true;
} else if ((!strcmp(argv[i], "-fn")) || (!strcmp(argv[i], "--fn"))) {
fc_font_pattern = estrdup(argv[++i]);
} else if (!strcmp(argv[i], "-o")) {
keyboard.print = true;
} else if (!strcmp(argv[i], "-O")) {
keyboard.print_intersect = true;
} else if ((!strcmp(argv[i], "-hidden")) ||
(!strcmp(argv[i], "--hidden"))) {
starthidden = true;
} else {
fprintf(stderr, "Invalid argument: %s\n", argv[i]);
usage(argv[0]);
exit(1);
}
}
if (!fc_font_pattern) {
fc_font_pattern = default_font;
}
display = wl_display_connect(NULL);
if (display == NULL) {
die("Failed to create display\n");
}
draw_surf.ctx = &draw_ctx;
keyboard.surf = &draw_surf;
struct wl_registry *registry = wl_display_get_registry(display);
wl_registry_add_listener(registry, ®istry_listener, NULL);
wl_display_roundtrip(display);
if (compositor == NULL) {
die("wl_compositor not available\n");
}
if (draw_ctx.shm == NULL) {
die("wl_shm not available\n");
}
if (layer_shell == NULL) {
die("layer_shell not available\n");
}
if (vkbd_mgr == NULL) {
die("virtual_keyboard_manager not available\n");
}
keyboard.vkbd =
zwp_virtual_keyboard_manager_v1_create_virtual_keyboard(vkbd_mgr, seat);
if (keyboard.vkbd == NULL) {
die("failed to init virtual keyboard_manager\n");
}
kbd_init(&keyboard, (struct layout *)&layouts, layer_names_list);
draw_ctx.font_description =
pango_font_description_from_string(fc_font_pattern);
if (!starthidden) {
draw_surf.surf = wl_compositor_create_surface(compositor);
layer_surface = zwlr_layer_shell_v1_get_layer_surface(
layer_shell, draw_surf.surf, wl_output, layer, namespace);
zwlr_layer_surface_v1_set_size(layer_surface, 0, height);
zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, height);
zwlr_layer_surface_v1_set_keyboard_interactivity(layer_surface, false);
zwlr_layer_surface_v1_add_listener(layer_surface, &layer_surface_listener,
NULL);
wl_surface_commit(draw_surf.surf);
wl_display_roundtrip(display);
drwsurf_flip(&draw_surf);
}
signal(SIGUSR1, hide);
signal(SIGUSR2, show);
while (run_display) {
while (wl_display_dispatch(display) != -1 && layer_surface) {
}
wl_display_roundtrip(display);
while (run_display && !layer_surface) {
sleep(1);
}
}
if (fc_font_pattern != default_font) {
free((void *)fc_font_pattern);
}
return 0;
}