123 lines
4.8 KiB
C
123 lines
4.8 KiB
C
/*
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* Copyright (c) 2019 - 2020 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 nvnc_display;
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struct nvnc_fb;
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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_fb_flags {
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NVNC_FB_PARTIAL = 1 << 0, // The buffer contains only the damaged region
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};
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typedef void (*nvnc_key_fn)(struct nvnc_client*, uint32_t key,
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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, uint16_t width,
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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 bool (*nvnc_auth_fn)(const char* username, const char* password,
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void* userdata);
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typedef void (*nvnc_render_fn)(struct nvnc_display*, struct nvnc_fb*);
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typedef void (*nvnc_cut_text_fn)(struct nvnc*, const char* text, uint32_t len);
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typedef void (*nvnc_fb_release_fn)(struct nvnc_fb*, void* userdata);
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extern const char nvnc_version[];
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struct nvnc* nvnc_open(const char* addr, uint16_t port);
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struct nvnc* nvnc_open_unix(const char *addr);
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void nvnc_close(struct nvnc* self);
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void nvnc_add_display(struct nvnc*, struct nvnc_display*);
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void nvnc_remove_display(struct nvnc*, struct nvnc_display*);
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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_client_get_server(const struct nvnc_client* client);
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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_key_code_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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void nvnc_set_cut_text_receive_fn(struct nvnc* self, nvnc_cut_text_fn fn);
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bool nvnc_has_auth(void);
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int nvnc_enable_auth(struct nvnc* self, const char* privkey_path,
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const char* cert_path, nvnc_auth_fn, void* userdata);
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struct nvnc_fb* nvnc_fb_new(uint16_t width, uint16_t height,
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uint32_t fourcc_format);
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void nvnc_fb_ref(struct nvnc_fb* fb);
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void nvnc_fb_unref(struct nvnc_fb* fb);
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enum nvnc_fb_flags nvnc_fb_get_flags(const struct nvnc_fb*);
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void nvnc_fb_set_flags(struct nvnc_fb*, enum nvnc_fb_flags);
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void nvnc_fb_set_release_fn(struct nvnc_fb* fb, nvnc_fb_release_fn fn,
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void* userdata);
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void* nvnc_fb_get_addr(const struct nvnc_fb* fb);
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uint16_t nvnc_fb_get_width(const struct nvnc_fb* fb);
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uint16_t nvnc_fb_get_height(const struct nvnc_fb* fb);
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uint32_t nvnc_fb_get_fourcc_format(const struct nvnc_fb* fb);
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struct nvnc_display* nvnc_display_new(uint16_t x_pos, uint16_t y_pos);
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void nvnc_display_ref(struct nvnc_display*);
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void nvnc_display_unref(struct nvnc_display*);
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struct nvnc* nvnc_display_get_server(const struct nvnc_display*);
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void nvnc_display_set_render_fn(struct nvnc_display* self, nvnc_render_fn fn);
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void nvnc_display_set_buffer(struct nvnc_display*, struct nvnc_fb*);
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void nvnc_display_damage_region(struct nvnc_display*,
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const struct pixman_region16*);
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void nvnc_display_damage_whole(struct nvnc_display*);
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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(struct nvnc_fb* fb0, 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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void nvnc_send_cut_text(struct nvnc*, const char* text, uint32_t len);
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