toaruos/userspace/lib/yutani.c

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/* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2014 Kevin Lange
*/
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#include <string.h>
#include <stdlib.h>
#include <syscall.h>
#include "yutani.h"
#include "pex.h"
#include "graphics.h"
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#include "kbd.h"
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#include "mouse.h"
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#include "hashmap.h"
#include "list.h"
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yutani_msg_t * yutani_wait_for(yutani_t * y, uint32_t type) {
do {
yutani_msg_t * out;
size_t size;
{
char tmp[MAX_PACKET_SIZE];
size = pex_recv(y->sock, tmp);
out = malloc(size);
memcpy(out, tmp, size);
}
if (out->type == type) {
return out;
} else {
list_insert(y->queued, out);
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}
} while (1); /* XXX: (!y->abort) */
}
size_t yutani_query(yutani_t * y) {
if (y->queued->length > 0) return 1;
return pex_query(y->sock);
}
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yutani_msg_t * yutani_poll(yutani_t * y) {
yutani_msg_t * out;
if (y->queued->length > 0) {
node_t * node = list_dequeue(y->queued);
out = (yutani_msg_t *)node->value;
free(node);
return out;
}
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size_t size;
{
char tmp[MAX_PACKET_SIZE];
size = pex_recv(y->sock, tmp);
out = malloc(size);
memcpy(out, tmp, size);
}
if (out->type == YUTANI_MSG_WELCOME) {
struct yutani_msg_welcome * mw = (void *)out->data;
y->display_width = mw->display_width;
y->display_height = mw->display_height;
}
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return out;
}
yutani_msg_t * yutani_poll_async(yutani_t * y) {
if (yutani_query(y) > 0) {
return yutani_poll(y);
}
return NULL;
}
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yutani_msg_t * yutani_msg_build_hello(void) {
size_t s = sizeof(struct yutani_message);
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yutani_msg_t * msg = malloc(s);
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msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_HELLO;
msg->size = s;
return msg;
}
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yutani_msg_t * yutani_msg_build_flip(yutani_wid_t wid) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_flip);
yutani_msg_t * msg = malloc(s);
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msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_FLIP;
msg->size = s;
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struct yutani_msg_flip * mw = (void *)msg->data;
mw->wid = wid;
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return msg;
}
yutani_msg_t * yutani_msg_build_welcome(uint32_t width, uint32_t height) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_welcome);
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yutani_msg_t * msg = malloc(s);
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msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WELCOME;
msg->size = s;
struct yutani_msg_welcome * mw = (void *)msg->data;
mw->display_width = width;
mw->display_height = height;
return msg;
}
yutani_msg_t * yutani_msg_build_window_new(uint32_t width, uint32_t height) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_new);
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yutani_msg_t * msg = malloc(s);
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msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_NEW;
msg->size = s;
struct yutani_msg_window_new * mw = (void *)msg->data;
mw->width = width;
mw->height = height;
return msg;
}
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yutani_msg_t * yutani_msg_build_window_init(yutani_wid_t wid, uint32_t width, uint32_t height, uint32_t bufid) {
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size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_init);
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yutani_msg_t * msg = malloc(s);
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msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_INIT;
msg->size = s;
struct yutani_msg_window_init * mw = (void *)msg->data;
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mw->wid = wid;
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mw->width = width;
mw->height = height;
mw->bufid = bufid;
return msg;
}
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yutani_msg_t * yutani_msg_build_window_close(yutani_wid_t wid) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_close);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_CLOSE;
msg->size = s;
struct yutani_msg_window_close * mw = (void *)msg->data;
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mw->wid = wid;
return msg;
}
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yutani_msg_t * yutani_msg_build_key_event(yutani_wid_t wid, key_event_t * event, key_event_state_t * state) {
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size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_key_event);
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yutani_msg_t * msg = malloc(s);
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msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_KEY_EVENT;
msg->size = s;
struct yutani_msg_key_event * mw = (void *)msg->data;
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mw->wid = wid;
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memcpy(&mw->event, event, sizeof(key_event_t));
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memcpy(&mw->state, state, sizeof(key_event_state_t));
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return msg;
}
yutani_msg_t * yutani_msg_build_mouse_event(yutani_wid_t wid, mouse_device_packet_t * event, int32_t type) {
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size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_mouse_event);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_MOUSE_EVENT;
msg->size = s;
struct yutani_msg_mouse_event * mw = (void *)msg->data;
mw->wid = wid;
memcpy(&mw->event, event, sizeof(mouse_device_packet_t));
mw->type = type;
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return msg;
}
yutani_msg_t * yutani_msg_build_window_move(yutani_wid_t wid, int32_t x, int32_t y) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_move);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_MOVE;
msg->size = s;
struct yutani_msg_window_move * mw = (void *)msg->data;
mw->wid = wid;
mw->x = x;
mw->y = y;
return msg;
}
yutani_msg_t * yutani_msg_build_window_stack(yutani_wid_t wid, int z) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_stack);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_STACK;
msg->size = s;
struct yutani_msg_window_stack * mw = (void *)msg->data;
mw->wid = wid;
mw->z = z;
return msg;
}
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yutani_msg_t * yutani_msg_build_window_focus_change(yutani_wid_t wid, int focused) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_focus_change);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_FOCUS_CHANGE;
msg->size = s;
struct yutani_msg_window_focus_change * mw = (void *)msg->data;
mw->wid = wid;
mw->focused = focused;
return msg;
}
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yutani_msg_t * yutani_msg_build_window_mouse_event(yutani_wid_t wid, int32_t new_x, int32_t new_y, int32_t old_x, int32_t old_y, uint8_t buttons, uint8_t command) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_mouse_event);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_MOUSE_EVENT;
msg->size = s;
struct yutani_msg_window_mouse_event * mw = (void *)msg->data;
mw->wid = wid;
mw->new_x = new_x;
mw->new_y = new_y;
mw->old_x = old_x;
mw->old_y = old_y;
mw->buttons = buttons;
mw->command = command;
return msg;
}
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yutani_msg_t * yutani_msg_build_flip_region(yutani_wid_t wid, int32_t x, int32_t y, int32_t width, int32_t height) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_flip_region);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_FLIP_REGION;
msg->size = s;
struct yutani_msg_flip_region * mw = (void *)msg->data;
mw->wid = wid;
mw->x = x;
mw->y = y;
mw->width = width;
mw->height = height;
return msg;
}
yutani_msg_t * yutani_msg_build_window_resize(uint32_t type, yutani_wid_t wid, uint32_t width, uint32_t height, uint32_t bufid) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_resize);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = type;
msg->size = s;
struct yutani_msg_window_resize * mw = (void *)msg->data;
mw->wid = wid;
mw->width = width;
mw->height = height;
mw->bufid = bufid;
return msg;
}
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yutani_msg_t * yutani_msg_build_window_advertise(yutani_wid_t wid, uint32_t flags, uint16_t * offsets, size_t length, char * data) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_advertise) + length;
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_ADVERTISE;
msg->size = s;
struct yutani_msg_window_advertise * mw = (void *)msg->data;
mw->wid = wid;
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mw->flags = flags;
mw->size = length;
if (offsets) {
memcpy(mw->offsets, offsets, sizeof(uint16_t)*5);
} else {
memset(mw->offsets, 0, sizeof(uint16_t)*5);
}
if (data) {
memcpy(mw->strings, data, mw->size);
}
return msg;
}
yutani_msg_t * yutani_msg_build_subscribe(void) {
size_t s = sizeof(struct yutani_message);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_SUBSCRIBE;
msg->size = s;
return msg;
}
yutani_msg_t * yutani_msg_build_unsubscribe(void) {
size_t s = sizeof(struct yutani_message);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_UNSUBSCRIBE;
msg->size = s;
return msg;
}
yutani_msg_t * yutani_msg_build_query_windows(void) {
size_t s = sizeof(struct yutani_message);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_QUERY_WINDOWS;
msg->size = s;
return msg;
}
yutani_msg_t * yutani_msg_build_notify(void) {
size_t s = sizeof(struct yutani_message);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_NOTIFY;
msg->size = s;
return msg;
}
yutani_msg_t * yutani_msg_build_session_end(void) {
size_t s = sizeof(struct yutani_message);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_SESSION_END;
msg->size = s;
return msg;
}
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yutani_msg_t * yutani_msg_build_window_focus(yutani_wid_t wid) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_focus);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_FOCUS;
msg->size = s;
struct yutani_msg_window_focus * mw = (void *)msg->data;
mw->wid = wid;
return msg;
}
yutani_msg_t * yutani_msg_build_key_bind(kbd_key_t key, kbd_mod_t mod, int response) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_key_bind);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_KEY_BIND;
msg->size = s;
struct yutani_msg_key_bind * mw = (void *)msg->data;
mw->key = key;
mw->modifiers = mod;
mw->response = response;
return msg;
}
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yutani_msg_t * yutani_msg_build_window_drag_start(yutani_wid_t wid) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_drag_start);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_DRAG_START;
msg->size = s;
struct yutani_msg_window_drag_start * mw = (void *)msg->data;
mw->wid = wid;
return msg;
}
yutani_msg_t * yutani_msg_build_window_update_shape(yutani_wid_t wid, int set_shape) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_update_shape);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_UPDATE_SHAPE;
msg->size = s;
struct yutani_msg_window_update_shape * mw = (void *)msg->data;
mw->wid = wid;
mw->set_shape = set_shape;
return msg;
}
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yutani_msg_t * yutani_msg_build_window_warp_mouse(yutani_wid_t wid, int32_t x, int32_t y) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_warp_mouse);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_WARP_MOUSE;
msg->size = s;
struct yutani_msg_window_warp_mouse * mw = (void *)msg->data;
mw->wid = wid;
mw->x = x;
mw->y = y;
return msg;
}
yutani_msg_t * yutani_msg_build_window_show_mouse(yutani_wid_t wid, int32_t show_mouse) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_show_mouse);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_SHOW_MOUSE;
msg->size = s;
struct yutani_msg_window_show_mouse * mw = (void *)msg->data;
mw->wid = wid;
mw->show_mouse = show_mouse;
return msg;
}
yutani_msg_t * yutani_msg_build_window_resize_start(yutani_wid_t wid, yutani_scale_direction_t direction) {
size_t s = sizeof(struct yutani_message) + sizeof(struct yutani_msg_window_resize_start);
yutani_msg_t * msg = malloc(s);
msg->magic = YUTANI_MSG__MAGIC;
msg->type = YUTANI_MSG_WINDOW_RESIZE_START;
msg->size = s;
struct yutani_msg_window_resize_start * mw = (void *)msg->data;
mw->wid = wid;
mw->direction = direction;
return msg;
}
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int yutani_msg_send(yutani_t * y, yutani_msg_t * msg) {
return pex_reply(y->sock, msg->size, (char *)msg);
}
yutani_t * yutani_context_create(FILE * socket) {
yutani_t * out = malloc(sizeof(yutani_t));
out->sock = socket;
out->display_width = 0;
out->display_height = 0;
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out->windows = hashmap_create_int(10);
out->queued = list_create();
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return out;
}
yutani_t * yutani_init(void) {
/* XXX: Display, etc? */
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if (!getenv("DISPLAY")) {
return NULL;
}
char * server_name = getenv("DISPLAY");
FILE * c = pex_connect(server_name);
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if (!c) return NULL; /* Connection failed. */
yutani_t * y = yutani_context_create(c);
yutani_msg_t * m = yutani_msg_build_hello();
int result = yutani_msg_send(y, m);
free(m);
m = yutani_wait_for(y, YUTANI_MSG_WELCOME);
struct yutani_msg_welcome * mw = (void *)&m->data;
y->display_width = mw->display_width;
y->display_height = mw->display_height;
y->server_ident = server_name;
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free(m);
return y;
}
yutani_window_t * yutani_window_create(yutani_t * y, int width, int height) {
yutani_window_t * win = malloc(sizeof(yutani_window_t));
yutani_msg_t * m = yutani_msg_build_window_new(width, height);
int result = yutani_msg_send(y, m);
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free(m);
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m = yutani_wait_for(y, YUTANI_MSG_WINDOW_INIT);
struct yutani_msg_window_init * mw = (void *)&m->data;
win->width = mw->width;
win->height = mw->height;
win->bufid = mw->bufid;
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win->wid = mw->wid;
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win->focused = 0;
hashmap_set(y->windows, (void*)win->wid, win);
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char key[1024];
YUTANI_SHMKEY(y->server_ident, key, 1024, win);
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size_t size = (width * height * 4);
win->buffer = (uint8_t *)syscall_shm_obtain(key, &size);
return win;
}
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void yutani_flip(yutani_t * y, yutani_window_t * win) {
yutani_msg_t * m = yutani_msg_build_flip(win->wid);
int result = yutani_msg_send(y, m);
free(m);
}
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void yutani_flip_region(yutani_t * yctx, yutani_window_t * win, int32_t x, int32_t y, int32_t width, int32_t height) {
yutani_msg_t * m = yutani_msg_build_flip_region(win->wid, x, y, width, height);
int result = yutani_msg_send(yctx, m);
free(m);
}
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void yutani_close(yutani_t * y, yutani_window_t * win) {
yutani_msg_t * m = yutani_msg_build_window_close(win->wid);
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int result = yutani_msg_send(y, m);
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free(m);
/* Now destroy our end of the window */
{
char key[1024];
YUTANI_SHMKEY_EXP(y->server_ident, key, 1024, win->bufid);
syscall_shm_release(key);
}
hashmap_remove(y->windows, (void*)win->wid);
free(win);
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}
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void yutani_window_move(yutani_t * yctx, yutani_window_t * window, int x, int y) {
yutani_msg_t * m = yutani_msg_build_window_move(window->wid, x, y);
int reuslt = yutani_msg_send(yctx, m);
free(m);
}
void yutani_set_stack(yutani_t * yctx, yutani_window_t * window, int z) {
yutani_msg_t * m = yutani_msg_build_window_stack(window->wid, z);
int reuslt = yutani_msg_send(yctx, m);
free(m);
}
void yutani_window_resize(yutani_t * yctx, yutani_window_t * window, uint32_t width, uint32_t height) {
yutani_msg_t * m = yutani_msg_build_window_resize(YUTANI_MSG_RESIZE_REQUEST, window->wid, width, height, 0);
int result = yutani_msg_send(yctx, m);
free(m);
}
void yutani_window_resize_offer(yutani_t * yctx, yutani_window_t * window, uint32_t width, uint32_t height) {
yutani_msg_t * m = yutani_msg_build_window_resize(YUTANI_MSG_RESIZE_OFFER, window->wid, width, height, 0);
int result = yutani_msg_send(yctx, m);
free(m);
}
void yutani_window_resize_accept(yutani_t * yctx, yutani_window_t * window, uint32_t width, uint32_t height) {
yutani_msg_t * m = yutani_msg_build_window_resize(YUTANI_MSG_RESIZE_ACCEPT, window->wid, width, height, 0);
int result = yutani_msg_send(yctx, m);
free(m);
/* Now wait for the new bufid */
m = yutani_wait_for(yctx, YUTANI_MSG_RESIZE_BUFID);
struct yutani_msg_window_resize * wr = (void*)m->data;
if (window->wid != wr->wid) {
/* I am not sure what to do here. */
return;
}
/* Update the window */
window->width = wr->width;
window->height = wr->height;
window->oldbufid = window->bufid;
window->bufid = wr->bufid;
free(m);
/* Allocate the buffer */
{
char key[1024];
YUTANI_SHMKEY(yctx->server_ident, key, 1024, window);
size_t size = (window->width * window->height * 4);
window->buffer = (uint8_t *)syscall_shm_obtain(key, &size);
}
}
void yutani_window_resize_done(yutani_t * yctx, yutani_window_t * window) {
/* Destroy the old buffer */
{
char key[1024];
YUTANI_SHMKEY_EXP(yctx->server_ident, key, 1024, window->oldbufid);
syscall_shm_release(key);
}
yutani_msg_t * m = yutani_msg_build_window_resize(YUTANI_MSG_RESIZE_DONE, window->wid, window->width, window->height, window->bufid);
int result = yutani_msg_send(yctx, m);
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free(m);
}
void yutani_window_advertise(yutani_t * yctx, yutani_window_t * window, char * name) {
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uint32_t flags = 0; /* currently, no client flags */
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uint16_t offsets[5] = {0,0,0,0,0};
uint32_t length = 0;
char * strings;
if (!name) {
length = 1;
strings = " ";
} else {
length = strlen(name) + 1;
strings = name;
/* All the other offsets will point to null characters */
offsets[1] = strlen(name);
offsets[2] = strlen(name);
offsets[3] = strlen(name);
offsets[4] = strlen(name);
}
yutani_msg_t * m = yutani_msg_build_window_advertise(window->wid, flags, offsets, length, strings);
int result = yutani_msg_send(yctx, m);
free(m);
}
void yutani_window_advertise_icon(yutani_t * yctx, yutani_window_t * window, char * name, char * icon) {
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uint32_t flags = window->focused; /* currently no client flags */
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uint16_t offsets[5] = {0,0,0,0,0};
uint32_t length = strlen(name) + strlen(icon) + 2;
char * strings = malloc(length);
if (name) {
memcpy(&strings[0], name, strlen(name)+1);
offsets[0] = 0;
offsets[1] = strlen(name);
offsets[2] = strlen(name);
offsets[3] = strlen(name);
offsets[4] = strlen(name);
}
if (icon) {
memcpy(&strings[offsets[1]+1], icon, strlen(icon)+1);
offsets[1] = strlen(name)+1;
offsets[2] = strlen(name)+1+strlen(icon);
offsets[3] = strlen(name)+1+strlen(icon);
offsets[4] = strlen(name)+1+strlen(icon);
}
yutani_msg_t * m = yutani_msg_build_window_advertise(window->wid, flags, offsets, length, strings);
int result = yutani_msg_send(yctx, m);
free(m);
free(strings);
}
void yutani_subscribe_windows(yutani_t * y) {
yutani_msg_t * m = yutani_msg_build_subscribe();
int result = yutani_msg_send(y, m);
free(m);
}
void yutani_unsubscribe_windows(yutani_t * y) {
yutani_msg_t * m = yutani_msg_build_unsubscribe();
int result = yutani_msg_send(y, m);
free(m);
}
void yutani_query_windows(yutani_t * y) {
yutani_msg_t * m = yutani_msg_build_query_windows();
int result = yutani_msg_send(y, m);
free(m);
}
void yutani_session_end(yutani_t * y) {
yutani_msg_t * m = yutani_msg_build_session_end();
int result = yutani_msg_send(y, m);
free(m);
}
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void yutani_focus_window(yutani_t * yctx, yutani_wid_t wid) {
yutani_msg_t * m = yutani_msg_build_window_focus(wid);
int result = yutani_msg_send(yctx, m);
free(m);
}
void yutani_key_bind(yutani_t * yctx, kbd_key_t key, kbd_mod_t mod, int response) {
yutani_msg_t * m = yutani_msg_build_key_bind(key,mod,response);
int result = yutani_msg_send(yctx, m);
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free(m);
}
void yutani_window_drag_start(yutani_t * yctx, yutani_window_t * window) {
yutani_msg_t * m = yutani_msg_build_window_drag_start(window->wid);
int result = yutani_msg_send(yctx, m);
free(m);
}
void yutani_window_update_shape(yutani_t * yctx, yutani_window_t * window, int set_shape) {
yutani_msg_t * m = yutani_msg_build_window_update_shape(window->wid, set_shape);
int result = yutani_msg_send(yctx, m);
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free(m);
}
void yutani_window_warp_mouse(yutani_t * yctx, yutani_window_t * window, int32_t x, int32_t y) {
yutani_msg_t * m = yutani_msg_build_window_warp_mouse(window->wid, x, y);
int result = yutani_msg_send(yctx, m);
free(m);
}
void yutani_window_show_mouse(yutani_t * yctx, yutani_window_t * window, int32_t show_mouse) {
yutani_msg_t * m = yutani_msg_build_window_show_mouse(window->wid, show_mouse);
int result = yutani_msg_send(yctx, m);
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free(m);
}
void yutani_window_resize_start(yutani_t * yctx, yutani_window_t * window, yutani_scale_direction_t direction) {
yutani_msg_t * m = yutani_msg_build_window_resize_start(window->wid, direction);
int result = yutani_msg_send(yctx, m);
free(m);
}
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gfx_context_t * init_graphics_yutani(yutani_window_t * window) {
gfx_context_t * out = malloc(sizeof(gfx_context_t));
out->width = window->width;
out->height = window->height;
out->depth = 32;
out->size = GFX_H(out) * GFX_W(out) * GFX_B(out);
out->buffer = window->buffer;
out->backbuffer = out->buffer;
return out;
}
gfx_context_t * init_graphics_yutani_double_buffer(yutani_window_t * window) {
gfx_context_t * out = init_graphics_yutani(window);
out->backbuffer = malloc(GFX_B(out) * GFX_W(out) * GFX_H(out));
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return out;
}
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void reinit_graphics_yutani(gfx_context_t * out, yutani_window_t * window) {
out->width = window->width;
out->height = window->height;
out->depth = 32;
out->size = GFX_H(out) * GFX_W(out) * GFX_B(out);
if (out->buffer == out->backbuffer) {
out->buffer = window->buffer;
out->backbuffer = out->buffer;
} else {
out->buffer = window->buffer;
out->backbuffer = realloc(out->backbuffer, GFX_B(out) * GFX_W(out) * GFX_H(out));
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}
}