ref: e8c4489e0da9e057997be3da11cef72ec039c9f8
dir: /gui-wl/wl-cb.c/
#define _POSIX_C_SOURCE 200809L
#include <sys/mman.h>
#include <wayland-client.h>
#include <wayland-client-protocol.h>
#include <linux/input-event-codes.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <xkbcommon/xkbcommon.h>
#include "xdg-shell-protocol.h"
#include "xdg-decoration-protocol.h"
#include "u.h"
#include "lib.h"
#include "kern/dat.h"
#include "kern/fns.h"
#include "error.h"
#include "user.h"
#include <draw.h>
#include <memdraw.h>
#include <keyboard.h>
#include "screen.h"
#include "wl-inc.h"
#undef close
#undef send
#undef pipe
#undef write
#undef read
static void
xdg_surface_handle_configure(void *data, struct xdg_surface *xdg_surface, uint32_t serial)
{
Wlwin *wl;
wl = data;
xdg_surface_ack_configure(xdg_surface, serial);
wl_surface_commit(wl->surface);
}
const struct xdg_surface_listener xdg_surface_listener = {
.configure = xdg_surface_handle_configure,
};
static void
xdg_toplevel_handle_close(void *data, struct xdg_toplevel *xdg_toplevel)
{
Wlwin *wl;
wl = data;
wl->runing = 0;
exits(nil);
}
static void
xdg_toplevel_handle_configure(void *data, struct xdg_toplevel *xdg_toplevel, int32_t width, int32_t height, struct wl_array *states)
{
Wlwin *wl;
wl = data;
if(width == 0 || height == 0 || (width == wl->dx && height == wl->dy))
return;
wlresize(wl, width, height);
}
const struct xdg_toplevel_listener xdg_toplevel_listener = {
.configure = xdg_toplevel_handle_configure,
.close = xdg_toplevel_handle_close,
};
static const struct wl_callback_listener wl_surface_frame_listener;
static void
wl_surface_frame_done(void *data, struct wl_callback *cb, uint32_t time)
{
Wlwin *wl;
wl = data;
wl_callback_destroy(cb);
cb = wl_surface_frame(wl->surface);
qlock(&drawlock);
wlflush(wl);
qunlock(&drawlock);
wl_callback_add_listener(cb, &wl_surface_frame_listener, wl);
}
static void
keyboard_keymap(void *data, struct wl_keyboard *keyboard, uint32_t format, int32_t fd, uint32_t size)
{
static struct xkb_keymap *keymap = nil;
char *keymap_string;
Wlwin *wl;
wl = data;
keymap_string = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
xkb_keymap_unref(keymap);
keymap = xkb_keymap_new_from_string(wl->xkb_context, keymap_string, XKB_KEYMAP_FORMAT_TEXT_V1, XKB_KEYMAP_COMPILE_NO_FLAGS);
munmap(keymap_string, size);
close(fd);
xkb_state_unref(wl->xkb_state);
wl->xkb_state = xkb_state_new(keymap);
}
static void
keyboard_enter (void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface, struct wl_array *keys)
{
Wlwin *wl;
wl = data;
qlock(&wl->clip.lk);
wl->clip.serial = serial;
qunlock(&wl->clip.lk);
}
static struct {
Rendez z;
QLock lk;
int active;
long keytime;
int32_t key;
int32_t rate;
int32_t delay;
} repeatstate;
static int
isactive(void *arg)
{
return repeatstate.active;
}
void
repeatproc(void *_dummy)
{
int ms;
long keytime;
USED(_dummy);
for(;;){
ksleep(&repeatstate.z, isactive, 0);
qlock(&repeatstate.lk);
keytime = repeatstate.keytime;
qunlock(&repeatstate.lk);
osmsleep(repeatstate.delay);
repeat:
qlock(&repeatstate.lk);
if(repeatstate.active == 0 || keytime != repeatstate.keytime){
qunlock(&repeatstate.lk);
continue;
}
ms = 1000/repeatstate.rate;
kbdkey(repeatstate.key, 0);
kbdkey(repeatstate.key, 1);
qunlock(&repeatstate.lk);
osmsleep(ms);
goto repeat;
}
}
static void
keyboard_repeat_info(void *data, struct wl_keyboard *wl_keyboard, int32_t rate, int32_t delay)
{
qlock(&repeatstate.lk);
repeatstate.rate = rate;
repeatstate.delay = delay;
qunlock(&repeatstate.lk);
}
static void
keyboard_leave (void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface)
{
}
static void
keyboard_key(void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t state)
{
Wlwin *wl;
uint32_t utf32;
wl = data;
xkb_keysym_t keysym = xkb_state_key_get_one_sym(wl->xkb_state, key+8);
switch(keysym) {
case XKB_KEY_Return:
utf32 = '\n';
break;
case XKB_KEY_Tab:
utf32 = '\t';
break;
case XKB_KEY_Up:
utf32 = Kup;
break;
case XKB_KEY_Down:
utf32 = Kdown;
break;
case XKB_KEY_Left:
utf32 = Kleft;
break;
case XKB_KEY_Right:
utf32 = Kright;
break;
case XKB_KEY_Page_Up:
utf32 = Kpgup;
break;
case XKB_KEY_Page_Down:
utf32 = Kpgdown;
break;
default:
utf32 = xkb_keysym_to_utf32(keysym);
break;
}
if(utf32 == 0)
return;
if(xkb_state_mod_name_is_active(wl->xkb_state, XKB_MOD_NAME_CTRL, XKB_STATE_MODS_EFFECTIVE) > 0)
if(utf32 >= 'a' && utf32 <= 'z')
utf32 -= ('a' - 1);
kbdkey(utf32, state);
qlock(&repeatstate.lk);
repeatstate.active = state;
repeatstate.keytime = time;
repeatstate.key = utf32;
qunlock(&repeatstate.lk);
wakeup(&repeatstate.z);
}
static void
keyboard_modifiers (void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group)
{
Wlwin *wl;
wl = data;
xkb_state_update_mask(wl->xkb_state, mods_depressed, mods_latched, mods_locked, 0, 0, group);
}
static const struct wl_callback_listener wl_surface_frame_listener = {
.done = wl_surface_frame_done,
};
static struct wl_keyboard_listener keyboard_listener = {
.keymap = keyboard_keymap,
.enter = keyboard_enter,
.leave = keyboard_leave,
.key = keyboard_key,
.modifiers = keyboard_modifiers,
.repeat_info = keyboard_repeat_info,
};
enum{
WlMouse1 = 272,
WlMouse2 = 274,
WlMouse3 = 273,
P9Mouse1 = 1,
P9Mouse2 = 2,
P9Mouse3 = 4,
};
static void
pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state)
{
Wlwin *wl;
wl = data;
if(state)
switch(button){
case WlMouse1: /* M1 */
wl->mouse.buttons |= P9Mouse1;
break;
case WlMouse2: /* M2 */
wl->mouse.buttons |= P9Mouse2;
break;
case WlMouse3: /* M3 */
wl->mouse.buttons |= P9Mouse3;
break;
}
else
switch(button){
case WlMouse1: /* M1 */
wl->mouse.buttons &= ~P9Mouse1;
break;
case WlMouse2: /* M2 */
wl->mouse.buttons &= ~P9Mouse2;
break;
case WlMouse3: /* M3 */
wl->mouse.buttons &= ~P9Mouse3;
break;
}
wl->mouse.msec = time;
absmousetrack(wl->mouse.xy.x, wl->mouse.xy.y, wl->mouse.buttons, wl->mouse.msec);
}
static void
pointer_handle_motion(void *data, struct wl_pointer *wl_pointer, uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y)
{
Wlwin *wl;
wl = data;
wl->mouse.xy.x = surface_x / 256;
wl->mouse.xy.y = surface_y / 256;
wl->mouse.msec = time;
absmousetrack(wl->mouse.xy.x, wl->mouse.xy.y, wl->mouse.buttons, wl->mouse.msec);
}
static void
pointer_handle_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)
{
Wlwin *wl;
wl = data;
wl->pointerserial = serial;
if(wl->cursorsurface == nil)
return;
wl_pointer_set_cursor(wl->pointer, wl->pointerserial, wl->cursorsurface, -cursor.offset.x, -cursor.offset.y);
}
static void
pointer_handle_leave(void *data, struct wl_pointer *wl_pointer, uint32_t serial, struct wl_surface *surface)
{
}
static void
pointer_handle_axis(void *data, struct wl_pointer *wl_pointer, uint32_t time, uint32_t axis, wl_fixed_t value)
{
Wlwin *wl;
int buttons;
if(axis == 1)
return; /* Horizontal scroll */
wl = data;
buttons = wl->mouse.buttons;
if(value < 0){
buttons |= 8;
} else {
buttons |= 16;
}
wl->mouse.msec = time;
/* p9 expects a scroll event to work like a button, a set and a release */
absmousetrack(wl->mouse.xy.x, wl->mouse.xy.y, buttons, wl->mouse.msec);
absmousetrack(wl->mouse.xy.x, wl->mouse.xy.y, wl->mouse.buttons, wl->mouse.msec);
}
static const struct wl_pointer_listener pointer_listener = {
.enter = pointer_handle_enter,
.leave = pointer_handle_leave,
.motion = pointer_handle_motion,
.button = pointer_handle_button,
.axis = pointer_handle_axis,
};
static void
seat_handle_capabilities(void *data, struct wl_seat *seat, uint32_t capabilities)
{
Wlwin *wl;
wl = data;
if(capabilities & WL_SEAT_CAPABILITY_POINTER) {
wl->pointer = wl_seat_get_pointer(seat);
wl_pointer_add_listener(wl->pointer, &pointer_listener, wl);
}
if(capabilities & WL_SEAT_CAPABILITY_KEYBOARD) {
struct wl_keyboard *keyboard = wl_seat_get_keyboard(seat);
wl_keyboard_add_listener(keyboard, &keyboard_listener, wl);
}
}
static void
seat_handle_name(void *data, struct wl_seat *seat, const char *name)
{
}
static const struct wl_seat_listener seat_listener = {
.capabilities = seat_handle_capabilities,
.name = seat_handle_name,
};
static void
data_source_handle_send(void *data, struct wl_data_source *source, const char *mime_type, int fd)
{
ulong n;
ulong pos;
ulong len;
Wlwin *wl;
if(strcmp(mime_type, "text/plain;charset=utf-8") != 0)
return;
wl = data;
qlock(&wl->clip.lk);
len = strlen(wl->clip.content);
for(pos = 0; (n = write(fd, wl->clip.content+pos, len-pos)) > 0 && pos < len; pos += n)
;
wl->clip.posted = 0;
close(fd);
qunlock(&wl->clip.lk);
}
static void
data_source_handle_cancelled(void *data, struct wl_data_source *source)
{
Wlwin *wl;
wl = data;
qlock(&wl->clip.lk);
wl->clip.posted = 0;
qunlock(&wl->clip.lk);
wl_data_source_destroy(source);
}
static const struct wl_data_source_listener data_source_listener = {
.send = data_source_handle_send,
.cancelled = data_source_handle_cancelled,
};
static void
data_device_handle_data_offer(void *data, struct wl_data_device *data_device, struct wl_data_offer *offer)
{
}
static void
data_device_handle_selection(void *data, struct wl_data_device *data_device, struct wl_data_offer *offer)
{
Wlwin *wl;
ulong n;
ulong size;
ulong pos;
int fds[2];
// An application has set the clipboard contents
if (offer == NULL) {
return;
}
wl = data;
pipe(fds);
wl_data_offer_receive(offer, "text/plain;charset=utf-8", fds[1]);
close(fds[1]);
wl_display_roundtrip(wl->display);
qlock(&wl->clip.lk);
size = 8192;
wl->clip.content = realloc(wl->clip.content, size+1);
memset(wl->clip.content, 0, size+1);
for(pos = 0; (n = read(fds[0], wl->clip.content+pos, size-pos)) > 0;){
pos += n;
if(pos >= size){
size *= 2;
wl->clip.content = realloc(wl->clip.content, size+1);
memset(wl->clip.content+pos, 0, (size-pos)+1);
}
}
close(fds[0]);
qunlock(&wl->clip.lk);
wl_data_offer_destroy(offer);
}
static const struct wl_data_device_listener data_device_listener = {
.data_offer = data_device_handle_data_offer,
.selection = data_device_handle_selection,
};
static void
xdg_wm_base_ping(void *data, struct xdg_wm_base *xdg_wm_base, uint32_t serial)
{
xdg_wm_base_pong(xdg_wm_base, serial);
}
static const struct xdg_wm_base_listener xdg_wm_base_listener = {
.ping = xdg_wm_base_ping,
};
static void
handle_global(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version)
{
Wlwin *wl;
wl = data;
if(strcmp(interface, wl_shm_interface.name) == 0) {
wl->shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
} else if(strcmp(interface, wl_seat_interface.name) == 0) {
wl->seat = wl_registry_bind(registry, name, &wl_seat_interface, 4);
wl_seat_add_listener(wl->seat, &seat_listener, wl);
} else if(strcmp(interface, wl_compositor_interface.name) == 0) {
wl->compositor = wl_registry_bind(registry, name, &wl_compositor_interface, 1);
} else if(strcmp(interface, xdg_wm_base_interface.name) == 0) {
wl->xdg_wm_base = wl_registry_bind(registry, name, &xdg_wm_base_interface, 1);
xdg_wm_base_add_listener(wl->xdg_wm_base, &xdg_wm_base_listener, wl);
} else if(strcmp(interface, wl_data_device_manager_interface.name) == 0) {
wl->data_device_manager = wl_registry_bind(registry, name, &wl_data_device_manager_interface, 3);
} else if(strcmp(interface, zxdg_decoration_manager_v1_interface.name) == 0) {
wl->decoman = wl_registry_bind(registry, name, &zxdg_decoration_manager_v1_interface, 1);
}
}
static void
handle_global_remove(void *data, struct wl_registry *registry, uint32_t name)
{
}
const struct wl_registry_listener registry_listener = {
.global = handle_global,
.global_remove = handle_global_remove,
};
void
wlsetcb(Wlwin *wl)
{
struct wl_registry *registry;
struct xdg_surface *xdg_surface;
struct wl_callback *cb;
struct zxdg_toplevel_decoration_v1 *deco;
//Wayland doesn't do keyboard repeat, but also may
//not tell us what the user would like, so we
//pick some sane defaults.
repeatstate.delay = 200;
repeatstate.rate = 20;
kproc("keyboard repeat", repeatproc, 0);
registry = wl_display_get_registry(wl->display);
wl_registry_add_listener(registry, ®istry_listener, wl);
wl_display_roundtrip(wl->display);
wl->xkb_context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if(wl->shm == nil || wl->compositor == nil || wl->xdg_wm_base == nil || wl->seat == nil || wl->decoman == nil)
sysfatal("Registration fell short");
wl->data_device = wl_data_device_manager_get_data_device(wl->data_device_manager, wl->seat);
wl_data_device_add_listener(wl->data_device, &data_device_listener, wl);
wlallocbuffer(wl);
wl->surface = wl_compositor_create_surface(wl->compositor);
xdg_surface = xdg_wm_base_get_xdg_surface(wl->xdg_wm_base, wl->surface);
wl->xdg_toplevel = xdg_surface_get_toplevel(xdg_surface);
deco = zxdg_decoration_manager_v1_get_toplevel_decoration(wl->decoman, wl->xdg_toplevel);
zxdg_toplevel_decoration_v1_set_mode(deco, ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
xdg_surface_add_listener(xdg_surface, &xdg_surface_listener, wl);
xdg_toplevel_add_listener(wl->xdg_toplevel, &xdg_toplevel_listener, wl);
wl_surface_commit(wl->surface);
wl_display_roundtrip(wl->display);
xdg_toplevel_set_app_id(wl->xdg_toplevel, "drawterm");
cb = wl_surface_frame(wl->surface);
wl_callback_add_listener(cb, &wl_surface_frame_listener, wl);
}
void
wlsettitle(Wlwin *wl, char *s)
{
xdg_toplevel_set_title(wl->xdg_toplevel, s);
}
void
wlsetsnarf(Wlwin *wl, char *s)
{
struct wl_data_source *source;
qlock(&wl->clip.lk);
if(wl->clip.content != nil)
free(wl->clip.content);
wl->clip.content = strdup(s);
/* Do we still own the clipboard? */
if(wl->clip.posted == 1)
goto done;
source = wl_data_device_manager_create_data_source(wl->data_device_manager);
wl_data_source_add_listener(source, &data_source_listener, wl);
wl_data_source_offer(source, "text/plain;charset=utf-8");
wl_data_device_set_selection(wl->data_device, source, wl->clip.serial);
wl->clip.posted = 1;
done:
qunlock(&wl->clip.lk);
}
char*
wlgetsnarf(Wlwin *wl)
{
char *s;
qlock(&wl->clip.lk);
s = strdup(wl->clip.content);
qunlock(&wl->clip.lk);
return s;
}