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24#include "qemu/osdep.h"
25
26#ifndef _WIN32
27#include <sys/ioctl.h>
28#include <termios.h>
29#endif
30
31#include "qapi/error.h"
32#include "qemu-common.h"
33#include "ui/console.h"
34#include "ui/input.h"
35#include "sysemu/sysemu.h"
36
37
38#undef KEY_EVENT
39#include <curses.h>
40#undef KEY_EVENT
41
42#define FONT_HEIGHT 16
43#define FONT_WIDTH 8
44
45static DisplayChangeListener *dcl;
46static console_ch_t screen[160 * 100];
47static WINDOW *screenpad = NULL;
48static int width, height, gwidth, gheight, invalidate;
49static int px, py, sminx, sminy, smaxx, smaxy;
50
51static chtype vga_to_curses[256];
52
53static void curses_update(DisplayChangeListener *dcl,
54 int x, int y, int w, int h)
55{
56 console_ch_t *line;
57 chtype curses_line[width];
58
59 line = screen + y * width;
60 for (h += y; y < h; y ++, line += width) {
61 for (x = 0; x < width; x++) {
62 chtype ch = line[x] & 0xff;
63 chtype at = line[x] & ~0xff;
64 if (vga_to_curses[ch]) {
65 ch = vga_to_curses[ch];
66 }
67 curses_line[x] = ch | at;
68 }
69 mvwaddchnstr(screenpad, y, 0, curses_line, width);
70 }
71
72 pnoutrefresh(screenpad, py, px, sminy, sminx, smaxy - 1, smaxx - 1);
73 refresh();
74}
75
76static void curses_calc_pad(void)
77{
78 if (qemu_console_is_fixedsize(NULL)) {
79 width = gwidth;
80 height = gheight;
81 } else {
82 width = COLS;
83 height = LINES;
84 }
85
86 if (screenpad)
87 delwin(screenpad);
88
89 clear();
90 refresh();
91
92 screenpad = newpad(height, width);
93
94 if (width > COLS) {
95 px = (width - COLS) / 2;
96 sminx = 0;
97 smaxx = COLS;
98 } else {
99 px = 0;
100 sminx = (COLS - width) / 2;
101 smaxx = sminx + width;
102 }
103
104 if (height > LINES) {
105 py = (height - LINES) / 2;
106 sminy = 0;
107 smaxy = LINES;
108 } else {
109 py = 0;
110 sminy = (LINES - height) / 2;
111 smaxy = sminy + height;
112 }
113}
114
115static void curses_resize(DisplayChangeListener *dcl,
116 int width, int height)
117{
118 if (width == gwidth && height == gheight) {
119 return;
120 }
121
122 gwidth = width;
123 gheight = height;
124
125 curses_calc_pad();
126}
127
128#if !defined(_WIN32) && defined(SIGWINCH) && defined(KEY_RESIZE)
129static volatile sig_atomic_t got_sigwinch;
130static void curses_winch_check(void)
131{
132 struct winsize {
133 unsigned short ws_row;
134 unsigned short ws_col;
135 unsigned short ws_xpixel;
136 unsigned short ws_ypixel;
137 } ws;
138
139 if (!got_sigwinch) {
140 return;
141 }
142 got_sigwinch = false;
143
144 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
145 return;
146 }
147
148 resize_term(ws.ws_row, ws.ws_col);
149 invalidate = 1;
150}
151
152static void curses_winch_handler(int signum)
153{
154 got_sigwinch = true;
155}
156
157static void curses_winch_init(void)
158{
159 struct sigaction old, winch = {
160 .sa_handler = curses_winch_handler,
161 };
162 sigaction(SIGWINCH, &winch, &old);
163}
164#else
165static void curses_winch_check(void) {}
166static void curses_winch_init(void) {}
167#endif
168
169static void curses_cursor_position(DisplayChangeListener *dcl,
170 int x, int y)
171{
172 if (x >= 0) {
173 x = sminx + x - px;
174 y = sminy + y - py;
175
176 if (x >= 0 && y >= 0 && x < COLS && y < LINES) {
177 move(y, x);
178 curs_set(1);
179
180
181 if (!qemu_console_is_graphic(NULL)) {
182 curs_set(2);
183 }
184 return;
185 }
186 }
187
188 curs_set(0);
189}
190
191
192
193#include "curses_keys.h"
194
195static kbd_layout_t *kbd_layout = NULL;
196
197static void curses_refresh(DisplayChangeListener *dcl)
198{
199 int chr, keysym, keycode, keycode_alt;
200
201 curses_winch_check();
202
203 if (invalidate) {
204 clear();
205 refresh();
206 curses_calc_pad();
207 graphic_hw_invalidate(NULL);
208 invalidate = 0;
209 }
210
211 graphic_hw_text_update(NULL, screen);
212
213 while (1) {
214
215 chr = getch();
216
217 if (chr == ERR)
218 break;
219
220#ifdef KEY_RESIZE
221
222 if (chr == KEY_RESIZE) {
223 clear();
224 refresh();
225 curses_calc_pad();
226 curses_update(dcl, 0, 0, width, height);
227 continue;
228 }
229#endif
230
231 keycode = curses2keycode[chr];
232 keycode_alt = 0;
233
234
235 if (keycode == 1) {
236 int nextchr = getch();
237
238 if (nextchr != ERR) {
239 chr = nextchr;
240 keycode_alt = ALT;
241 keycode = curses2keycode[chr];
242
243 if (keycode != -1) {
244 keycode |= ALT;
245
246
247 if (keycode >= QEMU_KEY_CONSOLE0 &&
248 keycode < QEMU_KEY_CONSOLE0 + 9) {
249 erase();
250 wnoutrefresh(stdscr);
251 console_select(keycode - QEMU_KEY_CONSOLE0);
252
253 invalidate = 1;
254 continue;
255 }
256 }
257 }
258 }
259
260 if (kbd_layout) {
261 keysym = -1;
262 if (chr < CURSES_KEYS)
263 keysym = curses2keysym[chr];
264
265 if (keysym == -1) {
266 if (chr < ' ') {
267 keysym = chr + '@';
268 if (keysym >= 'A' && keysym <= 'Z')
269 keysym += 'a' - 'A';
270 keysym |= KEYSYM_CNTRL;
271 } else
272 keysym = chr;
273 }
274
275 keycode = keysym2scancode(kbd_layout, keysym & KEYSYM_MASK,
276 false, false, false);
277 if (keycode == 0)
278 continue;
279
280 keycode |= (keysym & ~KEYSYM_MASK) >> 16;
281 keycode |= keycode_alt;
282 }
283
284 if (keycode == -1)
285 continue;
286
287 if (qemu_console_is_graphic(NULL)) {
288
289
290 if (keycode & SHIFT) {
291 qemu_input_event_send_key_number(NULL, SHIFT_CODE, true);
292 qemu_input_event_send_key_delay(0);
293 }
294 if (keycode & CNTRL) {
295 qemu_input_event_send_key_number(NULL, CNTRL_CODE, true);
296 qemu_input_event_send_key_delay(0);
297 }
298 if (keycode & ALT) {
299 qemu_input_event_send_key_number(NULL, ALT_CODE, true);
300 qemu_input_event_send_key_delay(0);
301 }
302 if (keycode & ALTGR) {
303 qemu_input_event_send_key_number(NULL, GREY | ALT_CODE, true);
304 qemu_input_event_send_key_delay(0);
305 }
306
307 qemu_input_event_send_key_number(NULL, keycode & KEY_MASK, true);
308 qemu_input_event_send_key_delay(0);
309 qemu_input_event_send_key_number(NULL, keycode & KEY_MASK, false);
310 qemu_input_event_send_key_delay(0);
311
312 if (keycode & ALTGR) {
313 qemu_input_event_send_key_number(NULL, GREY | ALT_CODE, false);
314 qemu_input_event_send_key_delay(0);
315 }
316 if (keycode & ALT) {
317 qemu_input_event_send_key_number(NULL, ALT_CODE, false);
318 qemu_input_event_send_key_delay(0);
319 }
320 if (keycode & CNTRL) {
321 qemu_input_event_send_key_number(NULL, CNTRL_CODE, false);
322 qemu_input_event_send_key_delay(0);
323 }
324 if (keycode & SHIFT) {
325 qemu_input_event_send_key_number(NULL, SHIFT_CODE, false);
326 qemu_input_event_send_key_delay(0);
327 }
328 } else {
329 keysym = -1;
330 if (chr < CURSES_KEYS) {
331 keysym = curses2qemu[chr];
332 }
333 if (keysym == -1)
334 keysym = chr;
335
336 kbd_put_keysym(keysym);
337 }
338 }
339}
340
341static void curses_atexit(void)
342{
343 endwin();
344}
345
346static void curses_setup(void)
347{
348 int i, colour_default[8] = {
349 [QEMU_COLOR_BLACK] = COLOR_BLACK,
350 [QEMU_COLOR_BLUE] = COLOR_BLUE,
351 [QEMU_COLOR_GREEN] = COLOR_GREEN,
352 [QEMU_COLOR_CYAN] = COLOR_CYAN,
353 [QEMU_COLOR_RED] = COLOR_RED,
354 [QEMU_COLOR_MAGENTA] = COLOR_MAGENTA,
355 [QEMU_COLOR_YELLOW] = COLOR_YELLOW,
356 [QEMU_COLOR_WHITE] = COLOR_WHITE,
357 };
358
359
360
361 initscr(); noecho(); intrflush(stdscr, FALSE);
362 nodelay(stdscr, TRUE); nonl(); keypad(stdscr, TRUE);
363 start_color(); raw(); scrollok(stdscr, FALSE);
364
365
366 for (i = 0; i < 64; i++) {
367 init_pair(i, colour_default[i & 7], colour_default[i >> 3]);
368 }
369
370 for (i = 64; i < COLOR_PAIRS; i++) {
371 init_pair(i, COLOR_WHITE, COLOR_BLACK);
372 }
373
374
375
376
377
378#if 0
379
380 ACS_S1;
381 ACS_S3;
382 ACS_S7;
383 ACS_S9;
384#endif
385
386 vga_to_curses['\0'] = ' ';
387 vga_to_curses[0x04] = ACS_DIAMOND;
388 vga_to_curses[0x18] = ACS_UARROW;
389 vga_to_curses[0x19] = ACS_DARROW;
390 vga_to_curses[0x1a] = ACS_RARROW;
391 vga_to_curses[0x1b] = ACS_LARROW;
392 vga_to_curses[0x9c] = ACS_STERLING;
393 vga_to_curses[0xb0] = ACS_BOARD;
394 vga_to_curses[0xb1] = ACS_CKBOARD;
395 vga_to_curses[0xb3] = ACS_VLINE;
396 vga_to_curses[0xb4] = ACS_RTEE;
397 vga_to_curses[0xbf] = ACS_URCORNER;
398 vga_to_curses[0xc0] = ACS_LLCORNER;
399 vga_to_curses[0xc1] = ACS_BTEE;
400 vga_to_curses[0xc2] = ACS_TTEE;
401 vga_to_curses[0xc3] = ACS_LTEE;
402 vga_to_curses[0xc4] = ACS_HLINE;
403 vga_to_curses[0xc5] = ACS_PLUS;
404 vga_to_curses[0xce] = ACS_LANTERN;
405 vga_to_curses[0xd8] = ACS_NEQUAL;
406 vga_to_curses[0xd9] = ACS_LRCORNER;
407 vga_to_curses[0xda] = ACS_ULCORNER;
408 vga_to_curses[0xdb] = ACS_BLOCK;
409 vga_to_curses[0xe3] = ACS_PI;
410 vga_to_curses[0xf1] = ACS_PLMINUS;
411 vga_to_curses[0xf2] = ACS_GEQUAL;
412 vga_to_curses[0xf3] = ACS_LEQUAL;
413 vga_to_curses[0xf8] = ACS_DEGREE;
414 vga_to_curses[0xfe] = ACS_BULLET;
415}
416
417static void curses_keyboard_setup(void)
418{
419#if defined(__APPLE__)
420
421 if (!keyboard_layout)
422 keyboard_layout = "en-us";
423#endif
424 if(keyboard_layout) {
425 kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout,
426 &error_fatal);
427 }
428}
429
430static const DisplayChangeListenerOps dcl_ops = {
431 .dpy_name = "curses",
432 .dpy_text_update = curses_update,
433 .dpy_text_resize = curses_resize,
434 .dpy_refresh = curses_refresh,
435 .dpy_text_cursor = curses_cursor_position,
436};
437
438static void curses_display_init(DisplayState *ds, DisplayOptions *opts)
439{
440#ifndef _WIN32
441 if (!isatty(1)) {
442 fprintf(stderr, "We need a terminal output\n");
443 exit(1);
444 }
445#endif
446
447 curses_setup();
448 curses_keyboard_setup();
449 atexit(curses_atexit);
450
451 curses_winch_init();
452
453 dcl = g_new0(DisplayChangeListener, 1);
454 dcl->ops = &dcl_ops;
455 register_displaychangelistener(dcl);
456
457 invalidate = 1;
458}
459
460static QemuDisplay qemu_display_curses = {
461 .type = DISPLAY_TYPE_CURSES,
462 .init = curses_display_init,
463};
464
465static void register_curses(void)
466{
467 qemu_display_register(&qemu_display_curses);
468}
469
470type_init(register_curses);
471