gwj / at91sam9263 · Commits

Commit 24236869fbff210b356b6626e6e9e9eadc8a976c

Authored by bellard
1 parent a46e4035

VNC server (Anthony Liguori) 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1869 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 10 changed files with 1477 additions and 4 deletions
Changelog
  View file @2423686
... ... @@ -7,6 +7,7 @@ version 0.8.1:
7 7 - SSE3 support
8 8 - Solaris port (Ben Taylor)
9 9 - Preliminary SH4 target (Samuel Tardieu)
  10 + - VNC server (Anthony Liguori)
10 11  
11 12 version 0.8.0:
12 13  
... ...
Makefile.target
  View file @2423686
... ... @@ -357,6 +357,7 @@ endif
357 357 ifdef CONFIG_SDL
358 358 VL_OBJS+=sdl.o
359 359 endif
  360 +VL_OBJS+=vnc.o
360 361 ifdef CONFIG_COCOA
361 362 VL_OBJS+=cocoa.o
362 363 COCOA_LIBS=-F/System/Library/Frameworks -framework Cocoa -framework IOKit
... ... @@ -409,6 +410,9 @@ cocoa.o: cocoa.m
409 410 sdl.o: sdl.c keymaps.c sdl_keysym.h
410 411 $(CC) $(CFLAGS) $(DEFINES) $(SDL_CFLAGS) -c -o $@ $<
411 412  
  413 +vnc.o: vnc.c keymaps.c sdl_keysym.h vnchextile.h
  414 + $(CC) $(CFLAGS) $(DEFINES) -c -o $@ $<
  415 +
412 416 sdlaudio.o: sdlaudio.c
413 417 $(CC) $(CFLAGS) $(DEFINES) $(SDL_CFLAGS) -c -o $@ $<
414 418  
... ...
hw/cirrus_vga.c
  View file @2423686
... ... @@ -644,15 +644,90 @@ static int cirrus_bitblt_videotovideo_patterncopy(CirrusVGAState * s)
644 644 (s->cirrus_blt_srcaddr & ~7));
645 645 }
646 646  
647   -static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s)
  647 +static void cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h)
648 648 {
  649 + int sx, sy;
  650 + int dx, dy;
  651 + int width, height;
  652 + int depth;
  653 + int notify = 0;
  654 +
  655 + depth = s->get_bpp((VGAState *)s) / 8;
  656 + s->get_resolution((VGAState *)s, &width, &height);
  657 +
  658 + /* extra x, y */
  659 + sx = (src % (width * depth)) / depth;
  660 + sy = (src / (width * depth));
  661 + dx = (dst % (width *depth)) / depth;
  662 + dy = (dst / (width * depth));
  663 +
  664 + /* normalize width */
  665 + w /= depth;
  666 +
  667 + /* if we're doing a backward copy, we have to adjust
  668 + our x/y to be the upper left corner (instead of the lower
  669 + right corner) */
  670 + if (s->cirrus_blt_dstpitch < 0) {
  671 + sx -= (s->cirrus_blt_width / depth) - 1;
  672 + dx -= (s->cirrus_blt_width / depth) - 1;
  673 + sy -= s->cirrus_blt_height - 1;
  674 + dy -= s->cirrus_blt_height - 1;
  675 + }
  676 +
  677 + /* are we in the visible portion of memory? */
  678 + if (sx >= 0 && sy >= 0 && dx >= 0 && dy >= 0 &&
  679 + (sx + w) <= width && (sy + h) <= height &&
  680 + (dx + w) <= width && (dy + h) <= height) {
  681 + notify = 1;
  682 + }
  683 +
  684 + /* make to sure only copy if it's a plain copy ROP */
  685 + if (*s->cirrus_rop != cirrus_bitblt_rop_fwd_src &&
  686 + *s->cirrus_rop != cirrus_bitblt_rop_bkwd_src)
  687 + notify = 0;
  688 +
  689 + /* we have to flush all pending changes so that the copy
  690 + is generated at the appropriate moment in time */
  691 + if (notify)
  692 + vga_hw_update();
  693 +
649 694 (*s->cirrus_rop) (s, s->vram_ptr + s->cirrus_blt_dstaddr,
650 695 s->vram_ptr + s->cirrus_blt_srcaddr,
651 696 s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch,
652 697 s->cirrus_blt_width, s->cirrus_blt_height);
653   - cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
654   - s->cirrus_blt_dstpitch, s->cirrus_blt_width,
655   - s->cirrus_blt_height);
  698 +
  699 + if (notify)
  700 + s->ds->dpy_copy(s->ds,
  701 + sx, sy, dx, dy,
  702 + s->cirrus_blt_width / depth,
  703 + s->cirrus_blt_height);
  704 +
  705 + /* we don't have to notify the display that this portion has
  706 + changed since dpy_copy implies this */
  707 +
  708 + if (!notify)
  709 + cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
  710 + s->cirrus_blt_dstpitch, s->cirrus_blt_width,
  711 + s->cirrus_blt_height);
  712 +}
  713 +
  714 +static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s)
  715 +{
  716 + if (s->ds->dpy_copy) {
  717 + cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->start_addr,
  718 + s->cirrus_blt_srcaddr - s->start_addr,
  719 + s->cirrus_blt_width, s->cirrus_blt_height);
  720 + } else {
  721 + (*s->cirrus_rop) (s, s->vram_ptr + s->cirrus_blt_dstaddr,
  722 + s->vram_ptr + s->cirrus_blt_srcaddr,
  723 + s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch,
  724 + s->cirrus_blt_width, s->cirrus_blt_height);
  725 +
  726 + cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
  727 + s->cirrus_blt_dstpitch, s->cirrus_blt_width,
  728 + s->cirrus_blt_height);
  729 + }
  730 +
656 731 return 1;
657 732 }
658 733  
... ...
keymaps.c
  View file @2423686
... ... @@ -99,8 +99,10 @@ static kbd_layout_t *parse_keyboard_layout(const char *language,
99 99 "Warning: Could not assign keysym %s (0x%x) because of memory constraints.\n",
100 100 line, keysym);
101 101 } else {
  102 +#if 0
102 103 fprintf(stderr, "Setting %d: %d,%d\n",
103 104 k->extra_count, keysym, keycode);
  105 +#endif
104 106 k->keysym2keycode_extra[k->extra_count].
105 107 keysym = keysym;
106 108 k->keysym2keycode_extra[k->extra_count].
... ...
qemu-doc.texi
  View file @2423686
... ... @@ -185,6 +185,13 @@ command line application. The emulated serial port is redirected on
185 185 the console. Therefore, you can still use QEMU to debug a Linux kernel
186 186 with a serial console.
187 187  
  188 +@item -vnc d
  189 +
  190 +Normally, QEMU uses SDL to display the VGA output. With this option,
  191 +you can have QEMU listen on VNC display d and redirect the VGA display
  192 +over the VNC session. It is very useful to enable the usb tablet device
  193 +when using this option (option @option{-usbdevice tablet}).
  194 +
188 195 @item -k language
189 196  
190 197 Use keyboard layout @var{language} (for example @code{fr} for
... ...
... ... @@ -149,6 +149,7 @@ USBPort *vm_usb_ports[MAX_VM_USB_PORTS];
149 149 USBDevice *vm_usb_hub;
150 150 static VLANState *first_vlan;
151 151 int smp_cpus = 1;
  152 +int vnc_display = -1;
152 153 #if defined(TARGET_SPARC)
153 154 #define MAX_CPUS 16
154 155 #elif defined(TARGET_I386)
... ... @@ -4638,6 +4639,7 @@ void help(void)
4638 4639 " (default is CL-GD5446 PCI VGA)\n"
4639 4640 #endif
4640 4641 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
  4642 + "-vnc display start a VNC server on display\n"
4641 4643 "\n"
4642 4644 "During emulation, the following keys are useful:\n"
4643 4645 "ctrl-alt-f toggle full screen\n"
... ... @@ -4721,6 +4723,7 @@ enum {
4721 4723 QEMU_OPTION_usb,
4722 4724 QEMU_OPTION_usbdevice,
4723 4725 QEMU_OPTION_smp,
  4726 + QEMU_OPTION_vnc,
4724 4727 };
4725 4728  
4726 4729 typedef struct QEMUOption {
... ... @@ -4788,6 +4791,7 @@ const QEMUOption qemu_options[] = {
4788 4791 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
4789 4792 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
4790 4793 { "smp", HAS_ARG, QEMU_OPTION_smp },
  4794 + { "vnc", HAS_ARG, QEMU_OPTION_vnc },
4791 4795  
4792 4796 /* temporary options */
4793 4797 { "usb", 0, QEMU_OPTION_usb },
... ... @@ -5386,6 +5390,13 @@ int main(int argc, char **argv)
5386 5390 exit(1);
5387 5391 }
5388 5392 break;
  5393 + case QEMU_OPTION_vnc:
  5394 + vnc_display = atoi(optarg);
  5395 + if (vnc_display < 0) {
  5396 + fprintf(stderr, "Invalid VNC display\n");
  5397 + exit(1);
  5398 + }
  5399 + break;
5389 5400 }
5390 5401 }
5391 5402 }
... ... @@ -5551,6 +5562,8 @@ int main(int argc, char **argv)
5551 5562 /* terminal init */
5552 5563 if (nographic) {
5553 5564 dumb_display_init(ds);
  5565 + } if (vnc_display != -1) {
  5566 + vnc_display_init(ds, vnc_display);
5554 5567 } else {
5555 5568 #if defined(CONFIG_SDL)
5556 5569 sdl_display_init(ds, full_screen);
... ...
... ... @@ -82,6 +82,13 @@ static inline char *realpath(const char *path, char *resolved_path)
82 82 #define tostring(s) #s
83 83 #endif
84 84  
  85 +#ifndef MIN
  86 +#define MIN(a, b) (((a) < (b)) ? (a) : (b))
  87 +#endif
  88 +#ifndef MAX
  89 +#define MAX(a, b) (((a) > (b)) ? (a) : (b))
  90 +#endif
  91 +
85 92 /* vl.c */
86 93 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
87 94  
... ... @@ -672,9 +679,12 @@ struct DisplayState {
672 679 int depth;
673 680 int width;
674 681 int height;
  682 + void *opaque;
  683 +
675 684 void (*dpy_update)(struct DisplayState *s, int x, int y, int w, int h);
676 685 void (*dpy_resize)(struct DisplayState *s, int w, int h);
677 686 void (*dpy_refresh)(struct DisplayState *s);
  687 + void (*dpy_copy)(struct DisplayState *s, int src_x, int src_y, int dst_x, int dst_y, int w, int h);
678 688 };
679 689  
680 690 static inline void dpy_update(DisplayState *s, int x, int y, int w, int h)
... ... @@ -703,6 +713,9 @@ void sdl_display_init(DisplayState *ds, int full_screen);
703 713 /* cocoa.m */
704 714 void cocoa_display_init(DisplayState *ds, int full_screen);
705 715  
  716 +/* vnc.c */
  717 +void vnc_display_init(DisplayState *ds, int display);
  718 +
706 719 /* ide.c */
707 720 #define MAX_DISKS 4
708 721  
... ...
vnc.c 0 → 100644
  View file @2423686
  1 +#include "vl.h"
  2 +
  3 +#include <sys/socket.h>
  4 +#include <netinet/in.h>
  5 +#include <netinet/tcp.h>
  6 +#include <fcntl.h>
  7 +
  8 +#define VNC_REFRESH_INTERVAL (1000 / 30)
  9 +
  10 +#include "vnc_keysym.h"
  11 +#include "keymaps.c"
  12 +
  13 +typedef struct Buffer
  14 +{
  15 + size_t capacity;
  16 + size_t offset;
  17 + char *buffer;
  18 +} Buffer;
  19 +
  20 +typedef struct VncState VncState;
  21 +
  22 +typedef int VncReadEvent(VncState *vs, char *data, size_t len);
  23 +
  24 +struct VncState
  25 +{
  26 + QEMUTimer *timer;
  27 + int lsock;
  28 + int csock;
  29 + DisplayState *ds;
  30 + int need_update;
  31 + int width;
  32 + int height;
  33 + uint64_t dirty_row[768];
  34 + char *old_data;
  35 + int depth;
  36 + int has_resize;
  37 + int has_hextile;
  38 + Buffer output;
  39 + Buffer input;
  40 + kbd_layout_t *kbd_layout;
  41 +
  42 + VncReadEvent *read_handler;
  43 + size_t read_handler_expect;
  44 +};
  45 +
  46 +/* TODO
  47 + 1) Get the queue working for IO.
  48 + 2) there is some weirdness when using the -S option (the screen is grey
  49 + and not totally invalidated
  50 + 3) resolutions > 1024
  51 +*/
  52 +
  53 +static void vnc_write(VncState *vs, const void *data, size_t len);
  54 +static void vnc_write_u32(VncState *vs, uint32_t value);
  55 +static void vnc_write_s32(VncState *vs, int32_t value);
  56 +static void vnc_write_u16(VncState *vs, uint16_t value);
  57 +static void vnc_write_u8(VncState *vs, uint8_t value);
  58 +static void vnc_flush(VncState *vs);
  59 +static void vnc_update_client(void *opaque);
  60 +static void vnc_client_read(void *opaque);
  61 +
  62 +static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h)
  63 +{
  64 + VncState *vs = ds->opaque;
  65 + int i;
  66 +
  67 + h += y;
  68 +
  69 + for (; y < h; y++)
  70 + for (i = 0; i < w; i += 16)
  71 + vs->dirty_row[y] |= (1ULL << ((x + i) / 16));
  72 +}
  73 +
  74 +static void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h,
  75 + int32_t encoding)
  76 +{
  77 + vnc_write_u16(vs, x);
  78 + vnc_write_u16(vs, y);
  79 + vnc_write_u16(vs, w);
  80 + vnc_write_u16(vs, h);
  81 +
  82 + vnc_write_s32(vs, encoding);
  83 +}
  84 +
  85 +static void vnc_dpy_resize(DisplayState *ds, int w, int h)
  86 +{
  87 + VncState *vs = ds->opaque;
  88 +
  89 + ds->data = realloc(ds->data, w * h * vs->depth);
  90 + vs->old_data = realloc(vs->old_data, w * h * vs->depth);
  91 +
  92 + if (ds->data == NULL || vs->old_data == NULL) {
  93 + fprintf(stderr, "vnc: memory allocation failed\n");
  94 + exit(1);
  95 + }
  96 +
  97 + ds->depth = vs->depth * 8;
  98 + ds->width = w;
  99 + ds->height = h;
  100 + ds->linesize = w * vs->depth;
  101 + if (vs->csock != -1 && vs->has_resize) {
  102 + vnc_write_u8(vs, 0); /* msg id */
  103 + vnc_write_u8(vs, 0);
  104 + vnc_write_u16(vs, 1); /* number of rects */
  105 + vnc_framebuffer_update(vs, 0, 0, ds->width, ds->height, -223);
  106 + vnc_flush(vs);
  107 + vs->width = ds->width;
  108 + vs->height = ds->height;
  109 + }
  110 +}
  111 +
  112 +static void send_framebuffer_update_raw(VncState *vs, int x, int y, int w, int h)
  113 +{
  114 + int i;
  115 + char *row;
  116 +
  117 + vnc_framebuffer_update(vs, x, y, w, h, 0);
  118 +
  119 + row = vs->ds->data + y * vs->ds->linesize + x * vs->depth;
  120 + for (i = 0; i < h; i++) {
  121 + vnc_write(vs, row, w * vs->depth);
  122 + row += vs->ds->linesize;
  123 + }
  124 +}
  125 +
  126 +static void hextile_enc_cord(uint8_t *ptr, int x, int y, int w, int h)
  127 +{
  128 + ptr[0] = ((x & 0x0F) << 4) | (y & 0x0F);
  129 + ptr[1] = (((w - 1) & 0x0F) << 4) | ((h - 1) & 0x0F);
  130 +}
  131 +
  132 +#define BPP 8
  133 +#include "vnchextile.h"
  134 +#undef BPP
  135 +
  136 +#define BPP 16
  137 +#include "vnchextile.h"
  138 +#undef BPP
  139 +
  140 +#define BPP 32
  141 +#include "vnchextile.h"
  142 +#undef BPP
  143 +
  144 +static void send_framebuffer_update_hextile(VncState *vs, int x, int y, int w, int h)
  145 +{
  146 + int i, j;
  147 + int has_fg, has_bg;
  148 + uint32_t last_fg32, last_bg32;
  149 + uint16_t last_fg16, last_bg16;
  150 + uint8_t last_fg8, last_bg8;
  151 +
  152 + vnc_framebuffer_update(vs, x, y, w, h, 5);
  153 +
  154 + has_fg = has_bg = 0;
  155 + for (j = y; j < (y + h); j += 16) {
  156 + for (i = x; i < (x + w); i += 16) {
  157 + switch (vs->depth) {
  158 + case 1:
  159 + send_hextile_tile_8(vs, i, j, MIN(16, x + w - i), MIN(16, y + h - j),
  160 + &last_bg8, &last_fg8, &has_bg, &has_fg);
  161 + break;
  162 + case 2:
  163 + send_hextile_tile_16(vs, i, j, MIN(16, x + w - i), MIN(16, y + h - j),
  164 + &last_bg16, &last_fg16, &has_bg, &has_fg);
  165 + break;
  166 + case 4:
  167 + send_hextile_tile_32(vs, i, j, MIN(16, x + w - i), MIN(16, y + h - j),
  168 + &last_bg32, &last_fg32, &has_bg, &has_fg);
  169 + break;
  170 + default:
  171 + break;
  172 + }
  173 + }
  174 + }
  175 +}
  176 +
  177 +static void send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
  178 +{
  179 + if (vs->has_hextile)
  180 + send_framebuffer_update_hextile(vs, x, y, w, h);
  181 + else
  182 + send_framebuffer_update_raw(vs, x, y, w, h);
  183 +}
  184 +
  185 +static void vnc_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h)
  186 +{
  187 + int src, dst;
  188 + char *src_row;
  189 + char *dst_row;
  190 + char *old_row;
  191 + int y = 0;
  192 + int pitch = ds->linesize;
  193 + VncState *vs = ds->opaque;
  194 +
  195 + vnc_update_client(vs);
  196 +
  197 + if (dst_y > src_y) {
  198 + y = h - 1;
  199 + pitch = -pitch;
  200 + }
  201 +
  202 + src = (ds->linesize * (src_y + y) + vs->depth * src_x);
  203 + dst = (ds->linesize * (dst_y + y) + vs->depth * dst_x);
  204 +
  205 + src_row = ds->data + src;
  206 + dst_row = ds->data + dst;
  207 + old_row = vs->old_data + dst;
  208 +
  209 + for (y = 0; y < h; y++) {
  210 + memmove(old_row, src_row, w * vs->depth);
  211 + memmove(dst_row, src_row, w * vs->depth);
  212 + src_row += pitch;
  213 + dst_row += pitch;
  214 + old_row += pitch;
  215 + }
  216 +
  217 + vnc_write_u8(vs, 0); /* msg id */
  218 + vnc_write_u8(vs, 0);
  219 + vnc_write_u16(vs, 1); /* number of rects */
  220 + vnc_framebuffer_update(vs, dst_x, dst_y, w, h, 1);
  221 + vnc_write_u16(vs, src_x);
  222 + vnc_write_u16(vs, src_y);
  223 + vnc_flush(vs);
  224 +}
  225 +
  226 +static int find_dirty_height(VncState *vs, int y, int last_x, int x)
  227 +{
  228 + int h;
  229 +
  230 + for (h = 1; h < (vs->height - y); h++) {
  231 + int tmp_x;
  232 + if (!(vs->dirty_row[y + h] & (1ULL << last_x)))
  233 + break;
  234 + for (tmp_x = last_x; tmp_x < x; tmp_x++)
  235 + vs->dirty_row[y + h] &= ~(1ULL << tmp_x);
  236 + }
  237 +
  238 + return h;
  239 +}
  240 +
  241 +static void vnc_update_client(void *opaque)
  242 +{
  243 + VncState *vs = opaque;
  244 +
  245 + if (vs->need_update && vs->csock != -1) {
  246 + int y;
  247 + char *row;
  248 + char *old_row;
  249 + uint64_t width_mask;
  250 + int n_rectangles;
  251 + int saved_offset;
  252 + int has_dirty = 0;
  253 +
  254 + width_mask = (1ULL << (vs->width / 16)) - 1;
  255 +
  256 + if (vs->width == 1024)
  257 + width_mask = ~(0ULL);
  258 +
  259 + /* Walk through the dirty map and eliminate tiles that
  260 + really aren't dirty */
  261 + row = vs->ds->data;
  262 + old_row = vs->old_data;
  263 +
  264 + for (y = 0; y < vs->height; y++) {
  265 + if (vs->dirty_row[y] & width_mask) {
  266 + int x;
  267 + char *ptr, *old_ptr;
  268 +
  269 + ptr = row;
  270 + old_ptr = old_row;
  271 +
  272 + for (x = 0; x < vs->ds->width; x += 16) {
  273 + if (memcmp(old_ptr, ptr, 16 * vs->depth) == 0) {
  274 + vs->dirty_row[y] &= ~(1ULL << (x / 16));
  275 + } else {
  276 + has_dirty = 1;
  277 + memcpy(old_ptr, ptr, 16 * vs->depth);
  278 + }
  279 +
  280 + ptr += 16 * vs->depth;
  281 + old_ptr += 16 * vs->depth;
  282 + }
  283 + }
  284 +
  285 + row += vs->ds->linesize;
  286 + old_row += vs->ds->linesize;
  287 + }
  288 +
  289 + if (!has_dirty) {
  290 + qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL);
  291 + return;
  292 + }
  293 +
  294 + /* Count rectangles */
  295 + n_rectangles = 0;
  296 + vnc_write_u8(vs, 0); /* msg id */
  297 + vnc_write_u8(vs, 0);
  298 + saved_offset = vs->output.offset;
  299 + vnc_write_u16(vs, 0);
  300 +
  301 + for (y = 0; y < vs->height; y++) {
  302 + int x;
  303 + int last_x = -1;
  304 + for (x = 0; x < vs->width / 16; x++) {
  305 + if (vs->dirty_row[y] & (1ULL << x)) {
  306 + if (last_x == -1) {
  307 + last_x = x;
  308 + }
  309 + vs->dirty_row[y] &= ~(1ULL << x);
  310 + } else {
  311 + if (last_x != -1) {
  312 + int h = find_dirty_height(vs, y, last_x, x);
  313 + send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h);
  314 + n_rectangles++;
  315 + }
  316 + last_x = -1;
  317 + }
  318 + }
  319 + if (last_x != -1) {
  320 + int h = find_dirty_height(vs, y, last_x, x);
  321 + send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h);
  322 + n_rectangles++;
  323 + }
  324 + }
  325 + vs->output.buffer[saved_offset] = (n_rectangles >> 8) & 0xFF;
  326 + vs->output.buffer[saved_offset + 1] = n_rectangles & 0xFF;
  327 + vnc_flush(vs);
  328 +
  329 + }
  330 + qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL);
  331 +}
  332 +
  333 +static void vnc_timer_init(VncState *vs)
  334 +{
  335 + if (vs->timer == NULL) {
  336 + vs->timer = qemu_new_timer(rt_clock, vnc_update_client, vs);
  337 + qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock));
  338 + }
  339 +}
  340 +
  341 +static void vnc_dpy_refresh(DisplayState *ds)
  342 +{
  343 + VncState *vs = ds->opaque;
  344 + vnc_timer_init(vs);
  345 + vga_hw_update();
  346 +}
  347 +
  348 +static int vnc_listen_poll(void *opaque)
  349 +{
  350 + VncState *vs = opaque;
  351 + if (vs->csock == -1)
  352 + return 1;
  353 + return 0;
  354 +}
  355 +
  356 +static void buffer_reserve(Buffer *buffer, size_t len)
  357 +{
  358 + if ((buffer->capacity - buffer->offset) < len) {
  359 + buffer->capacity += (len + 1024);
  360 + buffer->buffer = realloc(buffer->buffer, buffer->capacity);
  361 + if (buffer->buffer == NULL) {
  362 + fprintf(stderr, "vnc: out of memory\n");
  363 + exit(1);
  364 + }
  365 + }
  366 +}
  367 +
  368 +static int buffer_empty(Buffer *buffer)
  369 +{
  370 + return buffer->offset == 0;
  371 +}
  372 +
  373 +static char *buffer_end(Buffer *buffer)
  374 +{
  375 + return buffer->buffer + buffer->offset;
  376 +}
  377 +
  378 +static void buffer_reset(Buffer *buffer)
  379 +{
  380 + buffer->offset = 0;
  381 +}
  382 +
  383 +static void buffer_append(Buffer *buffer, const void *data, size_t len)
  384 +{
  385 + memcpy(buffer->buffer + buffer->offset, data, len);
  386 + buffer->offset += len;
  387 +}
  388 +
  389 +static int vnc_client_io_error(VncState *vs, int ret)
  390 +{
  391 + if (ret == 0 || ret == -1) {
  392 + if (ret == -1 && (errno == EINTR || errno == EAGAIN))
  393 + return 0;
  394 +
  395 + qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL);
  396 + close(vs->csock);
  397 + vs->csock = -1;
  398 + buffer_reset(&vs->input);
  399 + buffer_reset(&vs->output);
  400 + vs->need_update = 0;
  401 + return 0;
  402 + }
  403 + return ret;
  404 +}
  405 +
  406 +static void vnc_client_error(VncState *vs)
  407 +{
  408 + errno = EINVAL;
  409 + vnc_client_io_error(vs, -1);
  410 +}
  411 +
  412 +static void vnc_client_write(void *opaque)
  413 +{
  414 + ssize_t ret;
  415 + VncState *vs = opaque;
  416 +
  417 + ret = write(vs->csock, vs->output.buffer, vs->output.offset);
  418 + ret = vnc_client_io_error(vs, ret);
  419 + if (!ret)
  420 + return;
  421 +
  422 + memmove(vs->output.buffer, vs->output.buffer + ret, (vs->output.offset - ret));
  423 + vs->output.offset -= ret;
  424 +
  425 + if (vs->output.offset == 0) {
  426 + qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
  427 + }
  428 +}
  429 +
  430 +static void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting)
  431 +{
  432 + vs->read_handler = func;
  433 + vs->read_handler_expect = expecting;
  434 +}
  435 +
  436 +static void vnc_client_read(void *opaque)
  437 +{
  438 + VncState *vs = opaque;
  439 + ssize_t ret;
  440 +
  441 + buffer_reserve(&vs->input, 4096);
  442 +
  443 + ret = read(vs->csock, buffer_end(&vs->input), 4096);
  444 + ret = vnc_client_io_error(vs, ret);
  445 + if (!ret)
  446 + return;
  447 +
  448 + vs->input.offset += ret;
  449 +
  450 + while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) {
  451 + size_t len = vs->read_handler_expect;
  452 + int ret;
  453 +
  454 + ret = vs->read_handler(vs, vs->input.buffer, len);
  455 + if (vs->csock == -1)
  456 + return;
  457 +
  458 + if (!ret) {
  459 + memmove(vs->input.buffer, vs->input.buffer + len, (vs->input.offset - len));
  460 + vs->input.offset -= len;
  461 + } else {
  462 + vs->read_handler_expect = ret;
  463 + }
  464 + }
  465 +}
  466 +
  467 +static void vnc_write(VncState *vs, const void *data, size_t len)
  468 +{
  469 + buffer_reserve(&vs->output, len);
  470 +
  471 + if (buffer_empty(&vs->output)) {
  472 + qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
  473 + }
  474 +
  475 + buffer_append(&vs->output, data, len);
  476 +}
  477 +
  478 +static void vnc_write_s32(VncState *vs, int32_t value)
  479 +{
  480 + vnc_write_u32(vs, *(uint32_t *)&value);
  481 +}
  482 +
  483 +static void vnc_write_u32(VncState *vs, uint32_t value)
  484 +{
  485 + uint8_t buf[4];
  486 +
  487 + buf[0] = (value >> 24) & 0xFF;
  488 + buf[1] = (value >> 16) & 0xFF;
  489 + buf[2] = (value >> 8) & 0xFF;
  490 + buf[3] = value & 0xFF;
  491 +
  492 + vnc_write(vs, buf, 4);
  493 +}
  494 +
  495 +static void vnc_write_u16(VncState *vs, uint16_t value)
  496 +{
  497 + char buf[2];
  498 +
  499 + buf[0] = (value >> 8) & 0xFF;
  500 + buf[1] = value & 0xFF;
  501 +
  502 + vnc_write(vs, buf, 2);
  503 +}
  504 +
  505 +static void vnc_write_u8(VncState *vs, uint8_t value)
  506 +{
  507 + vnc_write(vs, (char *)&value, 1);
  508 +}
  509 +
  510 +static void vnc_flush(VncState *vs)
  511 +{
  512 + if (vs->output.offset)
  513 + vnc_client_write(vs);
  514 +}
  515 +
  516 +static uint8_t read_u8(char *data, size_t offset)
  517 +{
  518 + return data[offset];
  519 +}
  520 +
  521 +static uint16_t read_u16(char *data, size_t offset)
  522 +{
  523 + return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF);
  524 +}
  525 +
  526 +static int32_t read_s32(char *data, size_t offset)
  527 +{
  528 + return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) |
  529 + (data[offset + 2] << 8) | data[offset + 3]);
  530 +}
  531 +
  532 +static uint32_t read_u32(char *data, size_t offset)
  533 +{
  534 + return ((data[offset] << 24) | (data[offset + 1] << 16) |
  535 + (data[offset + 2] << 8) | data[offset + 3]);
  536 +}
  537 +
  538 +static void client_cut_text(VncState *vs, size_t len, char *text)
  539 +{
  540 +}
  541 +
  542 +static void pointer_event(VncState *vs, int button_mask, int x, int y)
  543 +{
  544 + int buttons = 0;
  545 + int dz = 0;
  546 +
  547 + if (button_mask & 0x01)
  548 + buttons |= MOUSE_EVENT_LBUTTON;
  549 + if (button_mask & 0x02)
  550 + buttons |= MOUSE_EVENT_MBUTTON;
  551 + if (button_mask & 0x04)
  552 + buttons |= MOUSE_EVENT_RBUTTON;
  553 + if (button_mask & 0x08)
  554 + dz = -1;
  555 + if (button_mask & 0x10)
  556 + dz = 1;
  557 +
  558 + if (kbd_mouse_is_absolute()) {
  559 + kbd_mouse_event(x * 0x7FFF / vs->ds->width,
  560 + y * 0x7FFF / vs->ds->height,
  561 + dz, buttons);
  562 + } else {
  563 + static int last_x = -1;
  564 + static int last_y = -1;
  565 +
  566 + if (last_x != -1)
  567 + kbd_mouse_event(x - last_x, y - last_y, dz, buttons);
  568 +
  569 + last_x = x;
  570 + last_y = y;
  571 + }
  572 +}
  573 +
  574 +static void key_event(VncState *vs, int down, uint32_t sym)
  575 +{
  576 + int keycode;
  577 +
  578 + keycode = keysym2scancode(vs->kbd_layout, sym & 0xFFFF);
  579 +
  580 + if (keycode & 0x80)
  581 + kbd_put_keycode(0xe0);
  582 + if (down)
  583 + kbd_put_keycode(keycode & 0x7f);
  584 + else
  585 + kbd_put_keycode(keycode | 0x80);
  586 +}
  587 +
  588 +static void framebuffer_update_request(VncState *vs, int incremental,
  589 + int x_position, int y_position,
  590 + int w, int h)
  591 +{
  592 + int i;
  593 + vs->need_update = 1;
  594 + if (!incremental) {
  595 + char *old_row = vs->old_data + y_position * vs->ds->linesize;
  596 +
  597 + for (i = 0; i < h; i++) {
  598 + vs->dirty_row[y_position + i] = (1ULL << (vs->ds->width / 16)) - 1;
  599 + if (vs->ds->width == 1024) {
  600 + vs->dirty_row[y_position + i] = ~(0ULL);
  601 + }
  602 + memset(old_row, 42, vs->ds->width * vs->depth);
  603 + old_row += vs->ds->linesize;
  604 + }
  605 + }
  606 +}
  607 +
  608 +static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings)
  609 +{
  610 + int i;
  611 +
  612 + vs->has_hextile = 0;
  613 + vs->has_resize = 0;
  614 + vs->ds->dpy_copy = NULL;
  615 +
  616 + for (i = n_encodings - 1; i >= 0; i--) {
  617 + switch (encodings[i]) {
  618 + case 0: /* Raw */
  619 + vs->has_hextile = 0;
  620 + break;
  621 + case 1: /* CopyRect */
  622 + vs->ds->dpy_copy = vnc_copy;
  623 + break;
  624 + case 5: /* Hextile */
  625 + vs->has_hextile = 1;
  626 + break;
  627 + case -223: /* DesktopResize */
  628 + vs->has_resize = 1;
  629 + break;
  630 + default:
  631 + break;
  632 + }
  633 + }
  634 +}
  635 +
  636 +static void set_pixel_format(VncState *vs,
  637 + int bits_per_pixel, int depth,
  638 + int big_endian_flag, int true_color_flag,
  639 + int red_max, int green_max, int blue_max,
  640 + int red_shift, int green_shift, int blue_shift)
  641 +{
  642 + switch (bits_per_pixel) {
  643 + case 32:
  644 + case 24:
  645 + vs->depth = 4;
  646 + break;
  647 + case 16:
  648 + vs->depth = 2;
  649 + break;
  650 + case 8:
  651 + vs->depth = 1;
  652 + break;
  653 + default:
  654 + vnc_client_error(vs);
  655 + break;
  656 + }
  657 +
  658 + if (!true_color_flag)
  659 + vnc_client_error(vs);
  660 +
  661 + vnc_dpy_resize(vs->ds, vs->ds->width, vs->ds->height);
  662 + memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
  663 + memset(vs->old_data, 42, vs->ds->linesize * vs->ds->height);
  664 +
  665 + vga_hw_invalidate();
  666 + vga_hw_update();
  667 +}
  668 +
  669 +static int protocol_client_msg(VncState *vs, char *data, size_t len)
  670 +{
  671 + int i;
  672 + uint16_t limit;
  673 +
  674 + switch (data[0]) {
  675 + case 0:
  676 + if (len == 1)
  677 + return 20;
  678 +
  679 + set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5),
  680 + read_u8(data, 6), read_u8(data, 7),
  681 + read_u16(data, 8), read_u16(data, 10),
  682 + read_u16(data, 12), read_u8(data, 14),
  683 + read_u8(data, 15), read_u8(data, 16));
  684 + break;
  685 + case 2:
  686 + if (len == 1)
  687 + return 4;
  688 +
  689 + if (len == 4)
  690 + return 4 + (read_u16(data, 2) * 4);
  691 +
  692 + limit = read_u16(data, 2);
  693 + for (i = 0; i < limit; i++) {
  694 + int32_t val = read_s32(data, 4 + (i * 4));
  695 + memcpy(data + 4 + (i * 4), &val, sizeof(val));
  696 + }
  697 +
  698 + set_encodings(vs, (int32_t *)(data + 4), limit);
  699 + break;
  700 + case 3:
  701 + if (len == 1)
  702 + return 10;
  703 +
  704 + framebuffer_update_request(vs,
  705 + read_u8(data, 1), read_u16(data, 2), read_u16(data, 4),
  706 + read_u16(data, 6), read_u16(data, 8));
  707 + break;
  708 + case 4:
  709 + if (len == 1)
  710 + return 8;
  711 +
  712 + key_event(vs, read_u8(data, 1), read_u32(data, 4));
  713 + break;
  714 + case 5:
  715 + if (len == 1)
  716 + return 6;
  717 +
  718 + pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4));
  719 + break;
  720 + case 6:
  721 + if (len == 1)
  722 + return 8;
  723 +
  724 + if (len == 8)
  725 + return 8 + read_u32(data, 4);
  726 +
  727 + client_cut_text(vs, read_u32(data, 4), data + 8);
  728 + break;
  729 + default:
  730 + printf("Msg: %d\n", data[0]);
  731 + vnc_client_error(vs);
  732 + break;
  733 + }
  734 +
  735 + vnc_read_when(vs, protocol_client_msg, 1);
  736 + return 0;
  737 +}
  738 +
  739 +static int protocol_client_init(VncState *vs, char *data, size_t len)
  740 +{
  741 + char pad[3] = { 0, 0, 0 };
  742 +
  743 + vs->width = vs->ds->width;
  744 + vs->height = vs->ds->height;
  745 + vnc_write_u16(vs, vs->ds->width);
  746 + vnc_write_u16(vs, vs->ds->height);
  747 +
  748 + vnc_write_u8(vs, vs->depth * 8); /* bits-per-pixel */
  749 + vnc_write_u8(vs, vs->depth * 8); /* depth */
  750 + vnc_write_u8(vs, 0); /* big-endian-flag */
  751 + vnc_write_u8(vs, 1); /* true-color-flag */
  752 + if (vs->depth == 4) {
  753 + vnc_write_u16(vs, 0xFF); /* red-max */
  754 + vnc_write_u16(vs, 0xFF); /* green-max */
  755 + vnc_write_u16(vs, 0xFF); /* blue-max */
  756 + vnc_write_u8(vs, 16); /* red-shift */
  757 + vnc_write_u8(vs, 8); /* green-shift */
  758 + vnc_write_u8(vs, 0); /* blue-shift */
  759 + } else if (vs->depth == 2) {
  760 + vnc_write_u16(vs, 31); /* red-max */
  761 + vnc_write_u16(vs, 63); /* green-max */
  762 + vnc_write_u16(vs, 31); /* blue-max */
  763 + vnc_write_u8(vs, 11); /* red-shift */
  764 + vnc_write_u8(vs, 5); /* green-shift */
  765 + vnc_write_u8(vs, 0); /* blue-shift */
  766 + } else if (vs->depth == 1) {
  767 + vnc_write_u16(vs, 3); /* red-max */
  768 + vnc_write_u16(vs, 7); /* green-max */
  769 + vnc_write_u16(vs, 3); /* blue-max */
  770 + vnc_write_u8(vs, 5); /* red-shift */
  771 + vnc_write_u8(vs, 2); /* green-shift */
  772 + vnc_write_u8(vs, 0); /* blue-shift */
  773 + }
  774 +
  775 + vnc_write(vs, pad, 3); /* padding */
  776 +
  777 + vnc_write_u32(vs, 4);
  778 + vnc_write(vs, "QEMU", 4);
  779 + vnc_flush(vs);
  780 +
  781 + vnc_read_when(vs, protocol_client_msg, 1);
  782 +
  783 + return 0;
  784 +}
  785 +
  786 +static int protocol_version(VncState *vs, char *version, size_t len)
  787 +{
  788 + char local[13];
  789 + int maj, min;
  790 +
  791 + memcpy(local, version, 12);
  792 + local[12] = 0;
  793 +
  794 + if (sscanf(local, "RFB %03d.%03d\n", &maj, &min) != 2) {
  795 + vnc_client_error(vs);
  796 + return 0;
  797 + }
  798 +
  799 + vnc_write_u32(vs, 1); /* None */
  800 + vnc_flush(vs);
  801 +
  802 + vnc_read_when(vs, protocol_client_init, 1);
  803 +
  804 + return 0;
  805 +}
  806 +
  807 +static void vnc_listen_read(void *opaque)
  808 +{
  809 + VncState *vs = opaque;
  810 + struct sockaddr_in addr;
  811 + socklen_t addrlen = sizeof(addr);
  812 +
  813 + vs->csock = accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
  814 + if (vs->csock != -1) {
  815 + fcntl(vs->csock, F_SETFL, O_NONBLOCK);
  816 + qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, opaque);
  817 + vnc_write(vs, "RFB 003.003\n", 12);
  818 + vnc_flush(vs);
  819 + vnc_read_when(vs, protocol_version, 12);
  820 + memset(vs->old_data, 0, vs->ds->linesize * vs->ds->height);
  821 + memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
  822 + vs->has_resize = 0;
  823 + vs->has_hextile = 0;
  824 + vs->ds->dpy_copy = NULL;
  825 + }
  826 +}
  827 +
  828 +void vnc_display_init(DisplayState *ds, int display)
  829 +{
  830 + struct sockaddr_in addr;
  831 + int reuse_addr, ret;
  832 + VncState *vs;
  833 +
  834 + vs = qemu_mallocz(sizeof(VncState));
  835 + if (!vs)
  836 + exit(1);
  837 +
  838 + ds->opaque = vs;
  839 +
  840 + vs->lsock = -1;
  841 + vs->csock = -1;
  842 + vs->depth = 4;
  843 +
  844 + vs->ds = ds;
  845 +
  846 + if (!keyboard_layout)
  847 + keyboard_layout = "en-us";
  848 +
  849 + vs->kbd_layout = init_keyboard_layout(keyboard_layout);
  850 + if (!vs->kbd_layout)
  851 + exit(1);
  852 +
  853 + vs->lsock = socket(PF_INET, SOCK_STREAM, 0);
  854 + if (vs->lsock == -1) {
  855 + fprintf(stderr, "Could not create socket\n");
  856 + exit(1);
  857 + }
  858 +
  859 + addr.sin_family = AF_INET;
  860 + addr.sin_port = htons(5900 + display);
  861 + memset(&addr.sin_addr, 0, sizeof(addr.sin_addr));
  862 +
  863 + reuse_addr = 1;
  864 + ret = setsockopt(vs->lsock, SOL_SOCKET, SO_REUSEADDR,
  865 + &reuse_addr, sizeof(reuse_addr));
  866 + if (ret == -1) {
  867 + fprintf(stderr, "setsockopt() failed\n");
  868 + exit(1);
  869 + }
  870 +
  871 + if (bind(vs->lsock, (struct sockaddr *)&addr, sizeof(addr)) == -1) {
  872 + fprintf(stderr, "bind() failed\n");
  873 + exit(1);
  874 + }
  875 +
  876 + if (listen(vs->lsock, 1) == -1) {
  877 + fprintf(stderr, "listen() failed\n");
  878 + exit(1);
  879 + }
  880 +
  881 + ret = qemu_set_fd_handler2(vs->lsock, vnc_listen_poll, vnc_listen_read, NULL, vs);
  882 + if (ret == -1) {
  883 + exit(1);
  884 + }
  885 +
  886 + vs->ds->data = NULL;
  887 + vs->ds->dpy_update = vnc_dpy_update;
  888 + vs->ds->dpy_resize = vnc_dpy_resize;
  889 + vs->ds->dpy_refresh = vnc_dpy_refresh;
  890 +
  891 + memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
  892 +
  893 + vnc_dpy_resize(vs->ds, 640, 400);
  894 +}
... ...
vnc_keysym.h 0 → 100644
  View file @2423686
  1 +typedef struct {
  2 + const char* name;
  3 + int keysym;
  4 +} name2keysym_t;
  5 +static name2keysym_t name2keysym[]={
  6 +/* ascii */
  7 + { "space", 0x020},
  8 + { "exclam", 0x021},
  9 + { "quotedbl", 0x022},
  10 + { "numbersign", 0x023},
  11 + { "dollar", 0x024},
  12 + { "percent", 0x025},
  13 + { "ampersand", 0x026},
  14 + { "apostrophe", 0x027},
  15 + { "parenleft", 0x028},
  16 + { "parenright", 0x029},
  17 + { "asterisk", 0x02a},
  18 + { "plus", 0x02b},
  19 + { "comma", 0x02c},
  20 + { "minus", 0x02d},
  21 + { "period", 0x02e},
  22 + { "slash", 0x02f},
  23 + { "0", 0x030},
  24 + { "1", 0x031},
  25 + { "2", 0x032},
  26 + { "3", 0x033},
  27 + { "4", 0x034},
  28 + { "5", 0x035},
  29 + { "6", 0x036},
  30 + { "7", 0x037},
  31 + { "8", 0x038},
  32 + { "9", 0x039},
  33 + { "colon", 0x03a},
  34 + { "semicolon", 0x03b},
  35 + { "less", 0x03c},
  36 + { "equal", 0x03d},
  37 + { "greater", 0x03e},
  38 + { "question", 0x03f},
  39 + { "at", 0x040},
  40 + { "A", 0x041},
  41 + { "B", 0x042},
  42 + { "C", 0x043},
  43 + { "D", 0x044},
  44 + { "E", 0x045},
  45 + { "F", 0x046},
  46 + { "G", 0x047},
  47 + { "H", 0x048},
  48 + { "I", 0x049},
  49 + { "J", 0x04a},
  50 + { "K", 0x04b},
  51 + { "L", 0x04c},
  52 + { "M", 0x04d},
  53 + { "N", 0x04e},
  54 + { "O", 0x04f},
  55 + { "P", 0x050},
  56 + { "Q", 0x051},
  57 + { "R", 0x052},
  58 + { "S", 0x053},
  59 + { "T", 0x054},
  60 + { "U", 0x055},
  61 + { "V", 0x056},
  62 + { "W", 0x057},
  63 + { "X", 0x058},
  64 + { "Y", 0x059},
  65 + { "Z", 0x05a},
  66 + { "bracketleft", 0x05b},
  67 + { "backslash", 0x05c},
  68 + { "bracketright", 0x05d},
  69 + { "asciicircum", 0x05e},
  70 + { "underscore", 0x05f},
  71 + { "grave", 0x060},
  72 + { "a", 0x061},
  73 + { "b", 0x062},
  74 + { "c", 0x063},
  75 + { "d", 0x064},
  76 + { "e", 0x065},
  77 + { "f", 0x066},
  78 + { "g", 0x067},
  79 + { "h", 0x068},
  80 + { "i", 0x069},
  81 + { "j", 0x06a},
  82 + { "k", 0x06b},
  83 + { "l", 0x06c},
  84 + { "m", 0x06d},
  85 + { "n", 0x06e},
  86 + { "o", 0x06f},
  87 + { "p", 0x070},
  88 + { "q", 0x071},
  89 + { "r", 0x072},
  90 + { "s", 0x073},
  91 + { "t", 0x074},
  92 + { "u", 0x075},
  93 + { "v", 0x076},
  94 + { "w", 0x077},
  95 + { "x", 0x078},
  96 + { "y", 0x079},
  97 + { "z", 0x07a},
  98 + { "braceleft", 0x07b},
  99 + { "bar", 0x07c},
  100 + { "braceright", 0x07d},
  101 + { "asciitilde", 0x07e},
  102 +
  103 +/* latin 1 extensions */
  104 +{ "nobreakspace", 0x0a0},
  105 +{ "exclamdown", 0x0a1},
  106 +{ "cent", 0x0a2},
  107 +{ "sterling", 0x0a3},
  108 +{ "currency", 0x0a4},
  109 +{ "yen", 0x0a5},
  110 +{ "brokenbar", 0x0a6},
  111 +{ "section", 0x0a7},
  112 +{ "diaeresis", 0x0a8},
  113 +{ "copyright", 0x0a9},
  114 +{ "ordfeminine", 0x0aa},
  115 +{ "guillemotleft", 0x0ab},
  116 +{ "notsign", 0x0ac},
  117 +{ "hyphen", 0x0ad},
  118 +{ "registered", 0x0ae},
  119 +{ "macron", 0x0af},
  120 +{ "degree", 0x0b0},
  121 +{ "plusminus", 0x0b1},
  122 +{ "twosuperior", 0x0b2},
  123 +{ "threesuperior", 0x0b3},
  124 +{ "acute", 0x0b4},
  125 +{ "mu", 0x0b5},
  126 +{ "paragraph", 0x0b6},
  127 +{ "periodcentered", 0x0b7},
  128 +{ "cedilla", 0x0b8},
  129 +{ "onesuperior", 0x0b9},
  130 +{ "masculine", 0x0ba},
  131 +{ "guillemotright", 0x0bb},
  132 +{ "onequarter", 0x0bc},
  133 +{ "onehalf", 0x0bd},
  134 +{ "threequarters", 0x0be},
  135 +{ "questiondown", 0x0bf},
  136 +{ "Agrave", 0x0c0},
  137 +{ "Aacute", 0x0c1},
  138 +{ "Acircumflex", 0x0c2},
  139 +{ "Atilde", 0x0c3},
  140 +{ "Adiaeresis", 0x0c4},
  141 +{ "Aring", 0x0c5},
  142 +{ "AE", 0x0c6},
  143 +{ "Ccedilla", 0x0c7},
  144 +{ "Egrave", 0x0c8},
  145 +{ "Eacute", 0x0c9},
  146 +{ "Ecircumflex", 0x0ca},
  147 +{ "Ediaeresis", 0x0cb},
  148 +{ "Igrave", 0x0cc},
  149 +{ "Iacute", 0x0cd},
  150 +{ "Icircumflex", 0x0ce},
  151 +{ "Idiaeresis", 0x0cf},
  152 +{ "ETH", 0x0d0},
  153 +{ "Eth", 0x0d0},
  154 +{ "Ntilde", 0x0d1},
  155 +{ "Ograve", 0x0d2},
  156 +{ "Oacute", 0x0d3},
  157 +{ "Ocircumflex", 0x0d4},
  158 +{ "Otilde", 0x0d5},
  159 +{ "Odiaeresis", 0x0d6},
  160 +{ "multiply", 0x0d7},
  161 +{ "Ooblique", 0x0d8},
  162 +{ "Oslash", 0x0d8},
  163 +{ "Ugrave", 0x0d9},
  164 +{ "Uacute", 0x0da},
  165 +{ "Ucircumflex", 0x0db},
  166 +{ "Udiaeresis", 0x0dc},
  167 +{ "Yacute", 0x0dd},
  168 +{ "THORN", 0x0de},
  169 +{ "Thorn", 0x0de},
  170 +{ "ssharp", 0x0df},
  171 +{ "agrave", 0x0e0},
  172 +{ "aacute", 0x0e1},
  173 +{ "acircumflex", 0x0e2},
  174 +{ "atilde", 0x0e3},
  175 +{ "adiaeresis", 0x0e4},
  176 +{ "aring", 0x0e5},
  177 +{ "ae", 0x0e6},
  178 +{ "ccedilla", 0x0e7},
  179 +{ "egrave", 0x0e8},
  180 +{ "eacute", 0x0e9},
  181 +{ "ecircumflex", 0x0ea},
  182 +{ "ediaeresis", 0x0eb},
  183 +{ "igrave", 0x0ec},
  184 +{ "iacute", 0x0ed},
  185 +{ "icircumflex", 0x0ee},
  186 +{ "idiaeresis", 0x0ef},
  187 +{ "eth", 0x0f0},
  188 +{ "ntilde", 0x0f1},
  189 +{ "ograve", 0x0f2},
  190 +{ "oacute", 0x0f3},
  191 +{ "ocircumflex", 0x0f4},
  192 +{ "otilde", 0x0f5},
  193 +{ "odiaeresis", 0x0f6},
  194 +{ "division", 0x0f7},
  195 +{ "oslash", 0x0f8},
  196 +{ "ooblique", 0x0f8},
  197 +{ "ugrave", 0x0f9},
  198 +{ "uacute", 0x0fa},
  199 +{ "ucircumflex", 0x0fb},
  200 +{ "udiaeresis", 0x0fc},
  201 +{ "yacute", 0x0fd},
  202 +{ "thorn", 0x0fe},
  203 +{ "ydiaeresis", 0x0ff},
  204 +{"EuroSign", 0x20ac}, /* XK_EuroSign */
  205 +
  206 + /* modifiers */
  207 +{"Control_L", 0xffe3}, /* XK_Control_L */
  208 +{"Control_R", 0xffe4}, /* XK_Control_R */
  209 +{"Alt_L", 0xffe9}, /* XK_Alt_L */
  210 +{"Alt_R", 0xffea}, /* XK_Alt_R */
  211 +{"Caps_Lock", 0xffe5}, /* XK_Caps_Lock */
  212 +{"Meta_L", 0xffe7}, /* XK_Meta_L */
  213 +{"Meta_R", 0xffe8}, /* XK_Meta_R */
  214 +{"Shift_L", 0xffe1}, /* XK_Shift_L */
  215 +{"Shift_R", 0xffe2}, /* XK_Shift_R */
  216 +{"Super_L", 0xffeb}, /* XK_Super_L */
  217 +{"Super_R", 0xffec}, /* XK_Super_R */
  218 +
  219 + /* special keys */
  220 +{"BackSpace", 0xff08}, /* XK_BackSpace */
  221 +{"Tab", 0xff09}, /* XK_Tab */
  222 +{"Return", 0xff0d}, /* XK_Return */
  223 +{"Right", 0xff53}, /* XK_Right */
  224 +{"Left", 0xff51}, /* XK_Left */
  225 +{"Up", 0xff52}, /* XK_Up */
  226 +{"Down", 0xff54}, /* XK_Down */
  227 +{"Page_Down", 0xff56}, /* XK_Page_Down */
  228 +{"Page_Up", 0xff55}, /* XK_Page_Up */
  229 +{"Insert", 0xff63}, /* XK_Insert */
  230 +{"Delete", 0xffff}, /* XK_Delete */
  231 +{"Home", 0xff50}, /* XK_Home */
  232 +{"End", 0xff57}, /* XK_End */
  233 +{"Scroll_Lock", 0xff14}, /* XK_Scroll_Lock */
  234 +{"F1", 0xffbe}, /* XK_F1 */
  235 +{"F2", 0xffbf}, /* XK_F2 */
  236 +{"F3", 0xffc0}, /* XK_F3 */
  237 +{"F4", 0xffc1}, /* XK_F4 */
  238 +{"F5", 0xffc2}, /* XK_F5 */
  239 +{"F6", 0xffc3}, /* XK_F6 */
  240 +{"F7", 0xffc4}, /* XK_F7 */
  241 +{"F8", 0xffc5}, /* XK_F8 */
  242 +{"F9", 0xffc6}, /* XK_F9 */
  243 +{"F10", 0xffc7}, /* XK_F10 */
  244 +{"F11", 0xffc8}, /* XK_F11 */
  245 +{"F12", 0xffc9}, /* XK_F12 */
  246 +{"F13", 0xffca}, /* XK_F13 */
  247 +{"F14", 0xffcb}, /* XK_F14 */
  248 +{"F15", 0xffcc}, /* XK_F15 */
  249 +{"Sys_Req", 0xff15}, /* XK_Sys_Req */
  250 +{"KP_0", 0xffb0}, /* XK_KP_0 */
  251 +{"KP_1", 0xffb1}, /* XK_KP_1 */
  252 +{"KP_2", 0xffb2}, /* XK_KP_2 */
  253 +{"KP_3", 0xffb3}, /* XK_KP_3 */
  254 +{"KP_4", 0xffb4}, /* XK_KP_4 */
  255 +{"KP_5", 0xffb5}, /* XK_KP_5 */
  256 +{"KP_6", 0xffb6}, /* XK_KP_6 */
  257 +{"KP_7", 0xffb7}, /* XK_KP_7 */
  258 +{"KP_8", 0xffb8}, /* XK_KP_8 */
  259 +{"KP_9", 0xffb9}, /* XK_KP_9 */
  260 +{"KP_Add", 0xffab}, /* XK_KP_Add */
  261 +{"KP_Decimal", 0xffae}, /* XK_KP_Decimal */
  262 +{"KP_Divide", 0xffaf}, /* XK_KP_Divide */
  263 +{"KP_Enter", 0xff8d}, /* XK_KP_Enter */
  264 +{"KP_Equal", 0xffbd}, /* XK_KP_Equal */
  265 +{"KP_Multiply", 0xffaa}, /* XK_KP_Multiply */
  266 +{"KP_Subtract", 0xffad}, /* XK_KP_Subtract */
  267 +{"help", 0xff6a}, /* XK_Help */
  268 +{"Menu", 0xff67}, /* XK_Menu */
  269 +{"Print", 0xff61}, /* XK_Print */
  270 +{"Mode_switch", 0xff7e}, /* XK_Mode_switch */
  271 +{"Num_Lock", 0xff7f}, /* XK_Num_Lock */
  272 +{"Pause", 0xff13}, /* XK_Pause */
  273 +{"Escape", 0xff1b}, /* XK_Escape */
  274 +{0,0},
  275 +};
... ...
vnchextile.h 0 → 100644
  View file @2423686
  1 +#define CONCAT_I(a, b) a ## b
  2 +#define CONCAT(a, b) CONCAT_I(a, b)
  3 +#define pixel_t CONCAT(uint, CONCAT(BPP, _t))
  4 +
  5 +static void CONCAT(send_hextile_tile_, BPP)(VncState *vs,
  6 + int x, int y, int w, int h,
  7 + pixel_t *last_bg, pixel_t *last_fg,
  8 + int *has_bg, int *has_fg)
  9 +{
  10 + char *row = (vs->ds->data + y * vs->ds->linesize + x * vs->depth);
  11 + pixel_t *irow = (pixel_t *)row;
  12 + int j, i;
  13 + pixel_t bg = 0;
  14 + pixel_t fg = 0;
  15 + int n_colors = 0;
  16 + int bg_count = 0;
  17 + int fg_count = 0;
  18 + int flags = 0;
  19 + uint8_t data[(sizeof(pixel_t) + 2) * 16 * 16];
  20 + int n_data = 0;
  21 + int n_subtiles = 0;
  22 +
  23 + for (j = 0; j < h; j++) {
  24 + for (i = 0; i < w; i++) {
  25 + switch (n_colors) {
  26 + case 0:
  27 + bg = irow[i];
  28 + n_colors = 1;
  29 + break;
  30 + case 1:
  31 + if (irow[i] != bg) {
  32 + fg = irow[i];
  33 + n_colors = 2;
  34 + }
  35 + break;
  36 + case 2:
  37 + if (irow[i] != bg && irow[i] != fg) {
  38 + n_colors = 3;
  39 + } else {
  40 + if (irow[i] == bg)
  41 + bg_count++;
  42 + else if (irow[i] == fg)
  43 + fg_count++;
  44 + }
  45 + break;
  46 + default:
  47 + break;
  48 + }
  49 + }
  50 + if (n_colors > 2)
  51 + break;
  52 + irow += vs->ds->linesize / sizeof(pixel_t);
  53 + }
  54 +
  55 + if (n_colors > 1 && fg_count > bg_count) {
  56 + pixel_t tmp = fg;
  57 + fg = bg;
  58 + bg = tmp;
  59 + }
  60 +
  61 + if (!*has_bg || *last_bg != bg) {
  62 + flags |= 0x02;
  63 + *has_bg = 1;
  64 + *last_bg = bg;
  65 + }
  66 +
  67 + if (!*has_fg || *last_fg != fg) {
  68 + flags |= 0x04;
  69 + *has_fg = 1;
  70 + *last_fg = fg;
  71 + }
  72 +
  73 + switch (n_colors) {
  74 + case 1:
  75 + n_data = 0;
  76 + break;
  77 + case 2:
  78 + flags |= 0x08;
  79 +
  80 + irow = (pixel_t *)row;
  81 +
  82 + for (j = 0; j < h; j++) {
  83 + int min_x = -1;
  84 + for (i = 0; i < w; i++) {
  85 + if (irow[i] == fg) {
  86 + if (min_x == -1)
  87 + min_x = i;
  88 + } else if (min_x != -1) {
  89 + hextile_enc_cord(data + n_data, min_x, j, i - min_x, 1);
  90 + n_data += 2;
  91 + n_subtiles++;
  92 + min_x = -1;
  93 + }
  94 + }
  95 + if (min_x != -1) {
  96 + hextile_enc_cord(data + n_data, min_x, j, i - min_x, 1);
  97 + n_data += 2;
  98 + n_subtiles++;
  99 + }
  100 + irow += vs->ds->linesize / sizeof(pixel_t);
  101 + }
  102 + break;
  103 + case 3:
  104 + flags |= 0x18;
  105 +
  106 + irow = (pixel_t *)row;
  107 +
  108 + if (!*has_bg || *last_bg != bg)
  109 + flags |= 0x02;
  110 +
  111 + for (j = 0; j < h; j++) {
  112 + int has_color = 0;
  113 + int min_x = -1;
  114 + pixel_t color;
  115 +
  116 + for (i = 0; i < w; i++) {
  117 + if (!has_color) {
  118 + if (irow[i] == bg)
  119 + continue;
  120 + color = irow[i];
  121 + min_x = i;
  122 + has_color = 1;
  123 + } else if (irow[i] != color) {
  124 + has_color = 0;
  125 +
  126 + memcpy(data + n_data, &color, sizeof(color));
  127 + hextile_enc_cord(data + n_data + sizeof(pixel_t), min_x, j, i - min_x, 1);
  128 + n_data += 2 + sizeof(pixel_t);
  129 + n_subtiles++;
  130 +
  131 + min_x = -1;
  132 + if (irow[i] != bg) {
  133 + color = irow[i];
  134 + min_x = i;
  135 + has_color = 1;
  136 + }
  137 + }
  138 + }
  139 + if (has_color) {
  140 + memcpy(data + n_data, &color, sizeof(color));
  141 + hextile_enc_cord(data + n_data + sizeof(pixel_t), min_x, j, i - min_x, 1);
  142 + n_data += 2 + sizeof(pixel_t);
  143 + n_subtiles++;
  144 + }
  145 + irow += vs->ds->linesize / sizeof(pixel_t);
  146 + }
  147 +
  148 + /* A SubrectsColoured subtile invalidates the foreground color */
  149 + *has_fg = 0;
  150 + if (n_data > (w * h * sizeof(pixel_t))) {
  151 + n_colors = 4;
  152 + flags = 0x01;
  153 + *has_bg = 0;
  154 +
  155 + /* we really don't have to invalidate either the bg or fg
  156 + but we've lost the old values. oh well. */
  157 + }
  158 + default:
  159 + break;
  160 + }
  161 +
  162 + if (n_colors > 3) {
  163 + flags = 0x01;
  164 + *has_fg = 0;
  165 + *has_bg = 0;
  166 + n_colors = 4;
  167 + }
  168 +
  169 + vnc_write_u8(vs, flags);
  170 + if (n_colors < 4) {
  171 + if (flags & 0x02)
  172 + vnc_write(vs, last_bg, sizeof(pixel_t));
  173 + if (flags & 0x04)
  174 + vnc_write(vs, last_fg, sizeof(pixel_t));
  175 + if (n_subtiles) {
  176 + vnc_write_u8(vs, n_subtiles);
  177 + vnc_write(vs, data, n_data);
  178 + }
  179 + } else {
  180 + for (j = 0; j < h; j++) {
  181 + vnc_write(vs, row, w * vs->depth);
  182 + row += vs->ds->linesize;
  183 + }
  184 + }
  185 +}
  186 +
  187 +#undef pixel_t
  188 +#undef CONCAT_I
  189 +#undef CONCAT
... ...