root / console.c @ 40545f84
History | View | Annotate | Download (19.1 kB)
1 |
/*
|
---|---|
2 |
* QEMU graphical console
|
3 |
*
|
4 |
* Copyright (c) 2004 Fabrice Bellard
|
5 |
*
|
6 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
7 |
* of this software and associated documentation files (the "Software"), to deal
|
8 |
* in the Software without restriction, including without limitation the rights
|
9 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
10 |
* copies of the Software, and to permit persons to whom the Software is
|
11 |
* furnished to do so, subject to the following conditions:
|
12 |
*
|
13 |
* The above copyright notice and this permission notice shall be included in
|
14 |
* all copies or substantial portions of the Software.
|
15 |
*
|
16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
17 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
18 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
19 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
20 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
21 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
22 |
* THE SOFTWARE.
|
23 |
*/
|
24 |
#include "vl.h" |
25 |
|
26 |
#define DEFAULT_BACKSCROLL 512 |
27 |
#define MAX_CONSOLES 12 |
28 |
|
29 |
#define RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b)) |
30 |
#define RGB(r, g, b) RGBA(r, g, b, 0xff) |
31 |
|
32 |
typedef struct TextCell { |
33 |
uint8_t ch; |
34 |
uint8_t bgcol:4;
|
35 |
uint8_t fgcol:4;
|
36 |
} TextCell; |
37 |
|
38 |
#define MAX_ESC_PARAMS 3 |
39 |
|
40 |
enum TTYState {
|
41 |
TTY_STATE_NORM, |
42 |
TTY_STATE_ESC, |
43 |
TTY_STATE_CSI, |
44 |
}; |
45 |
|
46 |
struct TextConsole {
|
47 |
int text_console; /* true if text console */ |
48 |
DisplayState *ds; |
49 |
int g_width, g_height;
|
50 |
int width;
|
51 |
int height;
|
52 |
int total_height;
|
53 |
int backscroll_height;
|
54 |
int fgcol;
|
55 |
int bgcol;
|
56 |
int x, y;
|
57 |
int y_displayed;
|
58 |
int y_base;
|
59 |
TextCell *cells; |
60 |
|
61 |
enum TTYState state;
|
62 |
int esc_params[MAX_ESC_PARAMS];
|
63 |
int nb_esc_params;
|
64 |
|
65 |
/* kbd read handler */
|
66 |
IOReadHandler *fd_read; |
67 |
void *fd_opaque;
|
68 |
}; |
69 |
|
70 |
static TextConsole *active_console;
|
71 |
static TextConsole *consoles[MAX_CONSOLES];
|
72 |
static int nb_consoles = 0; |
73 |
|
74 |
/* convert a RGBA color to a color index usable in graphic primitives */
|
75 |
static unsigned int vga_get_color(DisplayState *ds, unsigned int rgba) |
76 |
{ |
77 |
unsigned int r, g, b, color; |
78 |
|
79 |
switch(ds->depth) {
|
80 |
#if 0
|
81 |
case 8:
|
82 |
r = (rgba >> 16) & 0xff;
|
83 |
g = (rgba >> 8) & 0xff;
|
84 |
b = (rgba) & 0xff;
|
85 |
color = (rgb_to_index[r] * 6 * 6) +
|
86 |
(rgb_to_index[g] * 6) +
|
87 |
(rgb_to_index[b]);
|
88 |
break;
|
89 |
#endif
|
90 |
case 15: |
91 |
r = (rgba >> 16) & 0xff; |
92 |
g = (rgba >> 8) & 0xff; |
93 |
b = (rgba) & 0xff;
|
94 |
color = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3); |
95 |
break;
|
96 |
case 16: |
97 |
r = (rgba >> 16) & 0xff; |
98 |
g = (rgba >> 8) & 0xff; |
99 |
b = (rgba) & 0xff;
|
100 |
color = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3); |
101 |
break;
|
102 |
case 32: |
103 |
default:
|
104 |
color = rgba; |
105 |
break;
|
106 |
} |
107 |
return color;
|
108 |
} |
109 |
|
110 |
static void vga_fill_rect (DisplayState *ds, |
111 |
int posx, int posy, int width, int height, uint32_t color) |
112 |
{ |
113 |
uint8_t *d, *d1; |
114 |
int x, y, bpp;
|
115 |
|
116 |
bpp = (ds->depth + 7) >> 3; |
117 |
d1 = ds->data + |
118 |
ds->linesize * posy + bpp * posx; |
119 |
for (y = 0; y < height; y++) { |
120 |
d = d1; |
121 |
switch(bpp) {
|
122 |
case 1: |
123 |
for (x = 0; x < width; x++) { |
124 |
*((uint8_t *)d) = color; |
125 |
d++; |
126 |
} |
127 |
break;
|
128 |
case 2: |
129 |
for (x = 0; x < width; x++) { |
130 |
*((uint16_t *)d) = color; |
131 |
d += 2;
|
132 |
} |
133 |
break;
|
134 |
case 4: |
135 |
for (x = 0; x < width; x++) { |
136 |
*((uint32_t *)d) = color; |
137 |
d += 4;
|
138 |
} |
139 |
break;
|
140 |
} |
141 |
d1 += ds->linesize; |
142 |
} |
143 |
} |
144 |
|
145 |
/* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
|
146 |
static void vga_bitblt(DisplayState *ds, int xs, int ys, int xd, int yd, int w, int h) |
147 |
{ |
148 |
const uint8_t *s;
|
149 |
uint8_t *d; |
150 |
int wb, y, bpp;
|
151 |
|
152 |
bpp = (ds->depth + 7) >> 3; |
153 |
wb = w * bpp; |
154 |
if (yd <= ys) {
|
155 |
s = ds->data + |
156 |
ds->linesize * ys + bpp * xs; |
157 |
d = ds->data + |
158 |
ds->linesize * yd + bpp * xd; |
159 |
for (y = 0; y < h; y++) { |
160 |
memmove(d, s, wb); |
161 |
d += ds->linesize; |
162 |
s += ds->linesize; |
163 |
} |
164 |
} else {
|
165 |
s = ds->data + |
166 |
ds->linesize * (ys + h - 1) + bpp * xs;
|
167 |
d = ds->data + |
168 |
ds->linesize * (yd + h - 1) + bpp * xd;
|
169 |
for (y = 0; y < h; y++) { |
170 |
memmove(d, s, wb); |
171 |
d -= ds->linesize; |
172 |
s -= ds->linesize; |
173 |
} |
174 |
} |
175 |
} |
176 |
|
177 |
/***********************************************************/
|
178 |
/* basic char display */
|
179 |
|
180 |
#define FONT_HEIGHT 16 |
181 |
#define FONT_WIDTH 8 |
182 |
|
183 |
#include "vgafont.h" |
184 |
|
185 |
#define cbswap_32(__x) \
|
186 |
((uint32_t)( \ |
187 |
(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \ |
188 |
(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \ |
189 |
(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \ |
190 |
(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )) |
191 |
|
192 |
#ifdef WORDS_BIGENDIAN
|
193 |
#define PAT(x) x
|
194 |
#else
|
195 |
#define PAT(x) cbswap_32(x)
|
196 |
#endif
|
197 |
|
198 |
static const uint32_t dmask16[16] = { |
199 |
PAT(0x00000000),
|
200 |
PAT(0x000000ff),
|
201 |
PAT(0x0000ff00),
|
202 |
PAT(0x0000ffff),
|
203 |
PAT(0x00ff0000),
|
204 |
PAT(0x00ff00ff),
|
205 |
PAT(0x00ffff00),
|
206 |
PAT(0x00ffffff),
|
207 |
PAT(0xff000000),
|
208 |
PAT(0xff0000ff),
|
209 |
PAT(0xff00ff00),
|
210 |
PAT(0xff00ffff),
|
211 |
PAT(0xffff0000),
|
212 |
PAT(0xffff00ff),
|
213 |
PAT(0xffffff00),
|
214 |
PAT(0xffffffff),
|
215 |
}; |
216 |
|
217 |
static const uint32_t dmask4[4] = { |
218 |
PAT(0x00000000),
|
219 |
PAT(0x0000ffff),
|
220 |
PAT(0xffff0000),
|
221 |
PAT(0xffffffff),
|
222 |
}; |
223 |
|
224 |
static uint32_t color_table[8]; |
225 |
|
226 |
static const uint32_t color_table_rgb[8] = { |
227 |
RGB(0x00, 0x00, 0x00), |
228 |
RGB(0xff, 0x00, 0x00), |
229 |
RGB(0x00, 0xff, 0x00), |
230 |
RGB(0xff, 0xff, 0x00), |
231 |
RGB(0x00, 0x00, 0xff), |
232 |
RGB(0xff, 0x00, 0xff), |
233 |
RGB(0x00, 0xff, 0xff), |
234 |
RGB(0xff, 0xff, 0xff), |
235 |
}; |
236 |
|
237 |
static inline unsigned int col_expand(DisplayState *ds, unsigned int col) |
238 |
{ |
239 |
switch(ds->depth) {
|
240 |
case 8: |
241 |
col |= col << 8;
|
242 |
col |= col << 16;
|
243 |
break;
|
244 |
case 15: |
245 |
case 16: |
246 |
col |= col << 16;
|
247 |
break;
|
248 |
default:
|
249 |
break;
|
250 |
} |
251 |
|
252 |
return col;
|
253 |
} |
254 |
|
255 |
static void vga_putcharxy(DisplayState *ds, int x, int y, int ch, |
256 |
unsigned int fgcol, unsigned int bgcol) |
257 |
{ |
258 |
uint8_t *d; |
259 |
const uint8_t *font_ptr;
|
260 |
unsigned int font_data, linesize, xorcol, bpp; |
261 |
int i;
|
262 |
|
263 |
bpp = (ds->depth + 7) >> 3; |
264 |
d = ds->data + |
265 |
ds->linesize * y * FONT_HEIGHT + bpp * x * FONT_WIDTH; |
266 |
linesize = ds->linesize; |
267 |
font_ptr = vgafont16 + FONT_HEIGHT * ch; |
268 |
xorcol = bgcol ^ fgcol; |
269 |
switch(ds->depth) {
|
270 |
case 8: |
271 |
for(i = 0; i < FONT_HEIGHT; i++) { |
272 |
font_data = *font_ptr++; |
273 |
((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol; |
274 |
((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol; |
275 |
d += linesize; |
276 |
} |
277 |
break;
|
278 |
case 16: |
279 |
case 15: |
280 |
for(i = 0; i < FONT_HEIGHT; i++) { |
281 |
font_data = *font_ptr++; |
282 |
((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol; |
283 |
((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol; |
284 |
((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol; |
285 |
((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol; |
286 |
d += linesize; |
287 |
} |
288 |
break;
|
289 |
case 32: |
290 |
for(i = 0; i < FONT_HEIGHT; i++) { |
291 |
font_data = *font_ptr++; |
292 |
((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol; |
293 |
((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol; |
294 |
((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol; |
295 |
((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol; |
296 |
((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol; |
297 |
((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol; |
298 |
((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol; |
299 |
((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol; |
300 |
d += linesize; |
301 |
} |
302 |
break;
|
303 |
} |
304 |
} |
305 |
|
306 |
static void text_console_resize(TextConsole *s) |
307 |
{ |
308 |
TextCell *cells, *c, *c1; |
309 |
int w1, x, y, last_width;
|
310 |
|
311 |
last_width = s->width; |
312 |
s->width = s->g_width / FONT_WIDTH; |
313 |
s->height = s->g_height / FONT_HEIGHT; |
314 |
|
315 |
w1 = last_width; |
316 |
if (s->width < w1)
|
317 |
w1 = s->width; |
318 |
|
319 |
cells = qemu_malloc(s->width * s->total_height * sizeof(TextCell));
|
320 |
for(y = 0; y < s->total_height; y++) { |
321 |
c = &cells[y * s->width]; |
322 |
if (w1 > 0) { |
323 |
c1 = &s->cells[y * last_width]; |
324 |
for(x = 0; x < w1; x++) { |
325 |
*c++ = *c1++; |
326 |
} |
327 |
} |
328 |
for(x = w1; x < s->width; x++) {
|
329 |
c->ch = ' ';
|
330 |
c->fgcol = 7;
|
331 |
c->bgcol = 0;
|
332 |
c++; |
333 |
} |
334 |
} |
335 |
free(s->cells); |
336 |
s->cells = cells; |
337 |
} |
338 |
|
339 |
static void update_xy(TextConsole *s, int x, int y) |
340 |
{ |
341 |
TextCell *c; |
342 |
int y1, y2;
|
343 |
|
344 |
if (s == active_console) {
|
345 |
y1 = (s->y_base + y) % s->total_height; |
346 |
y2 = y1 - s->y_displayed; |
347 |
if (y2 < 0) |
348 |
y2 += s->total_height; |
349 |
if (y2 < s->height) {
|
350 |
c = &s->cells[y1 * s->width + x]; |
351 |
vga_putcharxy(s->ds, x, y2, c->ch, |
352 |
color_table[c->fgcol], color_table[c->bgcol]); |
353 |
dpy_update(s->ds, x * FONT_WIDTH, y2 * FONT_HEIGHT, |
354 |
FONT_WIDTH, FONT_HEIGHT); |
355 |
} |
356 |
} |
357 |
} |
358 |
|
359 |
static void console_show_cursor(TextConsole *s, int show) |
360 |
{ |
361 |
TextCell *c; |
362 |
int y, y1;
|
363 |
|
364 |
if (s == active_console) {
|
365 |
y1 = (s->y_base + s->y) % s->total_height; |
366 |
y = y1 - s->y_displayed; |
367 |
if (y < 0) |
368 |
y += s->total_height; |
369 |
if (y < s->height) {
|
370 |
c = &s->cells[y1 * s->width + s->x]; |
371 |
if (show) {
|
372 |
vga_putcharxy(s->ds, s->x, y, c->ch, |
373 |
color_table[0], color_table[7]); |
374 |
} else {
|
375 |
vga_putcharxy(s->ds, s->x, y, c->ch, |
376 |
color_table[c->fgcol], color_table[c->bgcol]); |
377 |
} |
378 |
dpy_update(s->ds, s->x * FONT_WIDTH, y * FONT_HEIGHT, |
379 |
FONT_WIDTH, FONT_HEIGHT); |
380 |
} |
381 |
} |
382 |
} |
383 |
|
384 |
static void console_refresh(TextConsole *s) |
385 |
{ |
386 |
TextCell *c; |
387 |
int x, y, y1;
|
388 |
|
389 |
if (s != active_console)
|
390 |
return;
|
391 |
|
392 |
vga_fill_rect(s->ds, 0, 0, s->ds->width, s->ds->height, |
393 |
color_table[0]);
|
394 |
y1 = s->y_displayed; |
395 |
for(y = 0; y < s->height; y++) { |
396 |
c = s->cells + y1 * s->width; |
397 |
for(x = 0; x < s->width; x++) { |
398 |
vga_putcharxy(s->ds, x, y, c->ch, |
399 |
color_table[c->fgcol], color_table[c->bgcol]); |
400 |
c++; |
401 |
} |
402 |
if (++y1 == s->total_height)
|
403 |
y1 = 0;
|
404 |
} |
405 |
dpy_update(s->ds, 0, 0, s->ds->width, s->ds->height); |
406 |
console_show_cursor(s, 1);
|
407 |
} |
408 |
|
409 |
static void console_scroll(int ydelta) |
410 |
{ |
411 |
TextConsole *s; |
412 |
int i, y1;
|
413 |
|
414 |
s = active_console; |
415 |
if (!s || !s->text_console)
|
416 |
return;
|
417 |
|
418 |
if (ydelta > 0) { |
419 |
for(i = 0; i < ydelta; i++) { |
420 |
if (s->y_displayed == s->y_base)
|
421 |
break;
|
422 |
if (++s->y_displayed == s->total_height)
|
423 |
s->y_displayed = 0;
|
424 |
} |
425 |
} else {
|
426 |
ydelta = -ydelta; |
427 |
i = s->backscroll_height; |
428 |
if (i > s->total_height - s->height)
|
429 |
i = s->total_height - s->height; |
430 |
y1 = s->y_base - i; |
431 |
if (y1 < 0) |
432 |
y1 += s->total_height; |
433 |
for(i = 0; i < ydelta; i++) { |
434 |
if (s->y_displayed == y1)
|
435 |
break;
|
436 |
if (--s->y_displayed < 0) |
437 |
s->y_displayed = s->total_height - 1;
|
438 |
} |
439 |
} |
440 |
console_refresh(s); |
441 |
} |
442 |
|
443 |
static void console_put_lf(TextConsole *s) |
444 |
{ |
445 |
TextCell *c; |
446 |
int x, y1;
|
447 |
|
448 |
s->x = 0;
|
449 |
s->y++; |
450 |
if (s->y >= s->height) {
|
451 |
s->y = s->height - 1;
|
452 |
|
453 |
if (s->y_displayed == s->y_base) {
|
454 |
if (++s->y_displayed == s->total_height)
|
455 |
s->y_displayed = 0;
|
456 |
} |
457 |
if (++s->y_base == s->total_height)
|
458 |
s->y_base = 0;
|
459 |
if (s->backscroll_height < s->total_height)
|
460 |
s->backscroll_height++; |
461 |
y1 = (s->y_base + s->height - 1) % s->total_height;
|
462 |
c = &s->cells[y1 * s->width]; |
463 |
for(x = 0; x < s->width; x++) { |
464 |
c->ch = ' ';
|
465 |
c->fgcol = s->fgcol; |
466 |
c->bgcol = s->bgcol; |
467 |
c++; |
468 |
} |
469 |
if (s == active_console && s->y_displayed == s->y_base) {
|
470 |
vga_bitblt(s->ds, 0, FONT_HEIGHT, 0, 0, |
471 |
s->width * FONT_WIDTH, |
472 |
(s->height - 1) * FONT_HEIGHT);
|
473 |
vga_fill_rect(s->ds, 0, (s->height - 1) * FONT_HEIGHT, |
474 |
s->width * FONT_WIDTH, FONT_HEIGHT, |
475 |
color_table[s->bgcol]); |
476 |
dpy_update(s->ds, 0, 0, |
477 |
s->width * FONT_WIDTH, s->height * FONT_HEIGHT); |
478 |
} |
479 |
} |
480 |
} |
481 |
|
482 |
static void console_putchar(TextConsole *s, int ch) |
483 |
{ |
484 |
TextCell *c; |
485 |
int y1, i, x;
|
486 |
|
487 |
switch(s->state) {
|
488 |
case TTY_STATE_NORM:
|
489 |
switch(ch) {
|
490 |
case '\r': |
491 |
s->x = 0;
|
492 |
break;
|
493 |
case '\n': |
494 |
console_put_lf(s); |
495 |
break;
|
496 |
case 27: |
497 |
s->state = TTY_STATE_ESC; |
498 |
break;
|
499 |
default:
|
500 |
y1 = (s->y_base + s->y) % s->total_height; |
501 |
c = &s->cells[y1 * s->width + s->x]; |
502 |
c->ch = ch; |
503 |
c->fgcol = s->fgcol; |
504 |
c->bgcol = s->bgcol; |
505 |
update_xy(s, s->x, s->y); |
506 |
s->x++; |
507 |
if (s->x >= s->width)
|
508 |
console_put_lf(s); |
509 |
break;
|
510 |
} |
511 |
break;
|
512 |
case TTY_STATE_ESC:
|
513 |
if (ch == '[') { |
514 |
for(i=0;i<MAX_ESC_PARAMS;i++) |
515 |
s->esc_params[i] = 0;
|
516 |
s->nb_esc_params = 0;
|
517 |
s->state = TTY_STATE_CSI; |
518 |
} else {
|
519 |
s->state = TTY_STATE_NORM; |
520 |
} |
521 |
break;
|
522 |
case TTY_STATE_CSI:
|
523 |
if (ch >= '0' && ch <= '9') { |
524 |
if (s->nb_esc_params < MAX_ESC_PARAMS) {
|
525 |
s->esc_params[s->nb_esc_params] = |
526 |
s->esc_params[s->nb_esc_params] * 10 + ch - '0'; |
527 |
} |
528 |
} else {
|
529 |
s->nb_esc_params++; |
530 |
if (ch == ';') |
531 |
break;
|
532 |
s->state = TTY_STATE_NORM; |
533 |
switch(ch) {
|
534 |
case 'D': |
535 |
if (s->x > 0) |
536 |
s->x--; |
537 |
break;
|
538 |
case 'C': |
539 |
if (s->x < (s->width - 1)) |
540 |
s->x++; |
541 |
break;
|
542 |
case 'K': |
543 |
/* clear to eol */
|
544 |
y1 = (s->y_base + s->y) % s->total_height; |
545 |
for(x = s->x; x < s->width; x++) {
|
546 |
c = &s->cells[y1 * s->width + x]; |
547 |
c->ch = ' ';
|
548 |
c->fgcol = s->fgcol; |
549 |
c->bgcol = s->bgcol; |
550 |
c++; |
551 |
update_xy(s, x, s->y); |
552 |
} |
553 |
break;
|
554 |
default:
|
555 |
break;
|
556 |
} |
557 |
break;
|
558 |
} |
559 |
} |
560 |
} |
561 |
|
562 |
void console_select(unsigned int index) |
563 |
{ |
564 |
TextConsole *s; |
565 |
|
566 |
if (index >= MAX_CONSOLES)
|
567 |
return;
|
568 |
s = consoles[index]; |
569 |
if (s) {
|
570 |
active_console = s; |
571 |
if (s->text_console) {
|
572 |
if (s->g_width != s->ds->width ||
|
573 |
s->g_height != s->ds->height) { |
574 |
s->g_width = s->ds->width; |
575 |
s->g_height = s->ds->height; |
576 |
text_console_resize(s); |
577 |
} |
578 |
console_refresh(s); |
579 |
} |
580 |
} |
581 |
} |
582 |
|
583 |
static int console_puts(CharDriverState *chr, const uint8_t *buf, int len) |
584 |
{ |
585 |
TextConsole *s = chr->opaque; |
586 |
int i;
|
587 |
|
588 |
console_show_cursor(s, 0);
|
589 |
for(i = 0; i < len; i++) { |
590 |
console_putchar(s, buf[i]); |
591 |
} |
592 |
console_show_cursor(s, 1);
|
593 |
return len;
|
594 |
} |
595 |
|
596 |
static void console_chr_add_read_handler(CharDriverState *chr, |
597 |
IOCanRWHandler *fd_can_read, |
598 |
IOReadHandler *fd_read, void *opaque)
|
599 |
{ |
600 |
TextConsole *s = chr->opaque; |
601 |
s->fd_read = fd_read; |
602 |
s->fd_opaque = opaque; |
603 |
} |
604 |
|
605 |
static void console_send_event(CharDriverState *chr, int event) |
606 |
{ |
607 |
TextConsole *s = chr->opaque; |
608 |
int i;
|
609 |
|
610 |
if (event == CHR_EVENT_FOCUS) {
|
611 |
for(i = 0; i < nb_consoles; i++) { |
612 |
if (consoles[i] == s) {
|
613 |
console_select(i); |
614 |
break;
|
615 |
} |
616 |
} |
617 |
} |
618 |
} |
619 |
|
620 |
/* called when an ascii key is pressed */
|
621 |
void kbd_put_keysym(int keysym) |
622 |
{ |
623 |
TextConsole *s; |
624 |
uint8_t buf[16], *q;
|
625 |
int c;
|
626 |
|
627 |
s = active_console; |
628 |
if (!s || !s->text_console)
|
629 |
return;
|
630 |
|
631 |
switch(keysym) {
|
632 |
case QEMU_KEY_CTRL_UP:
|
633 |
console_scroll(-1);
|
634 |
break;
|
635 |
case QEMU_KEY_CTRL_DOWN:
|
636 |
console_scroll(1);
|
637 |
break;
|
638 |
case QEMU_KEY_CTRL_PAGEUP:
|
639 |
console_scroll(-10);
|
640 |
break;
|
641 |
case QEMU_KEY_CTRL_PAGEDOWN:
|
642 |
console_scroll(10);
|
643 |
break;
|
644 |
default:
|
645 |
if (s->fd_read) {
|
646 |
/* convert the QEMU keysym to VT100 key string */
|
647 |
q = buf; |
648 |
if (keysym >= 0xe100 && keysym <= 0xe11f) { |
649 |
*q++ = '\033';
|
650 |
*q++ = '[';
|
651 |
c = keysym - 0xe100;
|
652 |
if (c >= 10) |
653 |
*q++ = '0' + (c / 10); |
654 |
*q++ = '0' + (c % 10); |
655 |
*q++ = '~';
|
656 |
} else if (keysym >= 0xe120 && keysym <= 0xe17f) { |
657 |
*q++ = '\033';
|
658 |
*q++ = '[';
|
659 |
*q++ = keysym & 0xff;
|
660 |
} else {
|
661 |
*q++ = keysym; |
662 |
} |
663 |
s->fd_read(s->fd_opaque, buf, q - buf); |
664 |
} |
665 |
break;
|
666 |
} |
667 |
} |
668 |
|
669 |
TextConsole *graphic_console_init(DisplayState *ds) |
670 |
{ |
671 |
TextConsole *s; |
672 |
|
673 |
if (nb_consoles >= MAX_CONSOLES)
|
674 |
return NULL; |
675 |
s = qemu_mallocz(sizeof(TextConsole));
|
676 |
if (!s) {
|
677 |
return NULL; |
678 |
} |
679 |
if (!active_console)
|
680 |
active_console = s; |
681 |
s->ds = ds; |
682 |
consoles[nb_consoles++] = s; |
683 |
return s;
|
684 |
} |
685 |
|
686 |
int is_active_console(TextConsole *s)
|
687 |
{ |
688 |
return s == active_console;
|
689 |
} |
690 |
|
691 |
CharDriverState *text_console_init(DisplayState *ds) |
692 |
{ |
693 |
CharDriverState *chr; |
694 |
TextConsole *s; |
695 |
int i;
|
696 |
static int color_inited; |
697 |
|
698 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
699 |
if (!chr)
|
700 |
return NULL; |
701 |
s = graphic_console_init(ds); |
702 |
if (!s) {
|
703 |
free(chr); |
704 |
return NULL; |
705 |
} |
706 |
s->text_console = 1;
|
707 |
chr->opaque = s; |
708 |
chr->chr_write = console_puts; |
709 |
chr->chr_add_read_handler = console_chr_add_read_handler; |
710 |
chr->chr_send_event = console_send_event; |
711 |
|
712 |
if (!color_inited) {
|
713 |
color_inited = 1;
|
714 |
for(i = 0; i < 8; i++) { |
715 |
color_table[i] = col_expand(s->ds, |
716 |
vga_get_color(s->ds, color_table_rgb[i])); |
717 |
} |
718 |
} |
719 |
s->y_displayed = 0;
|
720 |
s->y_base = 0;
|
721 |
s->total_height = DEFAULT_BACKSCROLL; |
722 |
s->x = 0;
|
723 |
s->y = 0;
|
724 |
s->fgcol = 7;
|
725 |
s->bgcol = 0;
|
726 |
s->g_width = s->ds->width; |
727 |
s->g_height = s->ds->height; |
728 |
text_console_resize(s); |
729 |
|
730 |
return chr;
|
731 |
} |