96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
/*
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* Copyright (c) 2019 Andri Yngvason
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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struct nvnc;
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struct nvnc_client;
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struct pixman_region16;
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enum nvnc_button_mask {
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NVNC_BUTTON_LEFT = 1 << 0,
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NVNC_BUTTON_MIDDLE = 1 << 1,
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NVNC_BUTTON_RIGHT = 1 << 2,
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NVNC_SCROLL_UP = 1 << 3,
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NVNC_SCROLL_DOWN = 1 << 4,
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};
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enum nvnc_modifier {
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NVNC_MOD_Y_INVERT = 1 << 0,
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};
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struct nvnc_fb {
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void *addr;
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uint32_t size;
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uint16_t width;
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uint16_t height;
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uint32_t fourcc_format;
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uint64_t fourcc_modifier;
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enum nvnc_modifier nvnc_modifier;
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uint32_t reserved[4];
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};
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typedef void (*nvnc_key_fn)(struct nvnc_client*, uint32_t keysym, bool is_pressed);
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typedef void (*nvnc_pointer_fn)(struct nvnc_client*, uint16_t x, uint16_t y,
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enum nvnc_button_mask);
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typedef void (*nvnc_fb_req_fn)(struct nvnc_client*, bool is_incremental,
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uint16_t x, uint16_t y,
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uint16_t width, uint16_t height);
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typedef void (*nvnc_client_fn)(struct nvnc_client*);
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typedef void (*nvnc_damage_fn)(struct pixman_region16 *damage, void *userdata);
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typedef void (*nvnc_update_done_fn)(struct nvnc*);
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struct nvnc *nvnc_open(const char *addr, uint16_t port);
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void nvnc_close(struct nvnc *self);
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void nvnc_set_userdata(void *self, void* userdata);
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void* nvnc_get_userdata(const void *self);
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struct nvnc *nvnc_get_server(const struct nvnc_client *client);
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void nvnc_set_dimensions(struct nvnc *self, uint16_t width, uint16_t height,
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uint32_t fourcc_format);
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void nvnc_set_name(struct nvnc *self, const char *name);
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void nvnc_set_key_fn(struct nvnc *self, nvnc_key_fn);
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void nvnc_set_pointer_fn(struct nvnc *self, nvnc_pointer_fn);
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void nvnc_set_fb_req_fn(struct nvnc *self, nvnc_fb_req_fn);
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void nvnc_set_new_client_fn(struct nvnc *self, nvnc_client_fn);
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void nvnc_set_client_cleanup_fn(struct nvnc_client *self, nvnc_client_fn fn);
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/*
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* Send an updated framebuffer to all clients with pending update requests.
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*
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* Only the region specified by the region argument is updated.
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*/
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int nvnc_update_fb(struct nvnc *self, const struct nvnc_fb* fb,
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const struct pixman_region16* region,
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nvnc_update_done_fn on_update_done);
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/*
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* Find the regions that differ between fb0 and fb1. Regions outside the hinted
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* rectangle region are not guaranteed to be checked.
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*
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* This is a utility function that may be used to reduce network traffic.
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*/
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int nvnc_check_damage(const struct nvnc_fb *fb0, const struct nvnc_fb *fb1,
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int x_hint, int y_hint, int width_hint, int height_hint,
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nvnc_damage_fn on_check_done, void *userdata);
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