| 1 | /* |
| 2 | * pterm - a fusion of the PuTTY terminal emulator with a Unix pty |
| 3 | * back end, all running as a GTK application. Wish me luck. |
| 4 | */ |
| 5 | |
| 6 | #include <string.h> |
| 7 | #include <assert.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <stdio.h> |
| 10 | #include <time.h> |
| 11 | #include <errno.h> |
| 12 | #include <fcntl.h> |
| 13 | #include <unistd.h> |
| 14 | #include <gtk/gtk.h> |
| 15 | #include <gdk/gdkkeysyms.h> |
| 16 | |
| 17 | #define PUTTY_DO_GLOBALS /* actually _define_ globals */ |
| 18 | #include "putty.h" |
| 19 | |
| 20 | #define CAT2(x,y) x ## y |
| 21 | #define CAT(x,y) CAT2(x,y) |
| 22 | #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)} |
| 23 | |
| 24 | #define NCOLOURS (lenof(((Config *)0)->colours)) |
| 25 | |
| 26 | struct gui_data { |
| 27 | GtkWidget *window, *area, *sbar; |
| 28 | GtkBox *hbox; |
| 29 | GtkAdjustment *sbar_adjust; |
| 30 | GdkPixmap *pixmap; |
| 31 | GdkFont *fonts[2]; /* normal and bold (for now!) */ |
| 32 | GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor; |
| 33 | GdkColor cols[NCOLOURS]; |
| 34 | GdkColormap *colmap; |
| 35 | wchar_t *pastein_data; |
| 36 | int pastein_data_len; |
| 37 | char *pasteout_data; |
| 38 | int pasteout_data_len; |
| 39 | int font_width, font_height; |
| 40 | int ignore_sbar; |
| 41 | int mouseptr_visible; |
| 42 | guint term_paste_idle_id; |
| 43 | GdkAtom compound_text_atom; |
| 44 | char wintitle[sizeof(((Config *)0)->wintitle)]; |
| 45 | char icontitle[sizeof(((Config *)0)->wintitle)]; |
| 46 | }; |
| 47 | |
| 48 | static struct gui_data the_inst; |
| 49 | static struct gui_data *inst = &the_inst; /* so we always write `inst->' */ |
| 50 | static int send_raw_mouse; |
| 51 | |
| 52 | void ldisc_update(int echo, int edit) |
| 53 | { |
| 54 | /* |
| 55 | * This is a stub in pterm. If I ever produce a Unix |
| 56 | * command-line ssh/telnet/rlogin client (i.e. a port of plink) |
| 57 | * then it will require some termios manoeuvring analogous to |
| 58 | * that in the Windows plink.c, but here it's meaningless. |
| 59 | */ |
| 60 | } |
| 61 | |
| 62 | int askappend(char *filename) |
| 63 | { |
| 64 | /* |
| 65 | * Logging in an xterm-alike is liable to be something you only |
| 66 | * do at serious diagnostic need. Hence, I'm going to take the |
| 67 | * easy option for now and assume we always want to overwrite |
| 68 | * log files. I can always make it properly configurable later. |
| 69 | */ |
| 70 | return 2; |
| 71 | } |
| 72 | |
| 73 | void logevent(char *string) |
| 74 | { |
| 75 | /* |
| 76 | * This is not a very helpful function: events are logged |
| 77 | * pretty much exclusively by the back end, and our pty back |
| 78 | * end is self-contained. So we need do nothing. |
| 79 | */ |
| 80 | } |
| 81 | |
| 82 | int font_dimension(int which) /* 0 for width, 1 for height */ |
| 83 | { |
| 84 | if (which) |
| 85 | return inst->font_height; |
| 86 | else |
| 87 | return inst->font_width; |
| 88 | } |
| 89 | |
| 90 | /* |
| 91 | * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT) |
| 92 | * into a cooked one (SELECT, EXTEND, PASTE). |
| 93 | * |
| 94 | * In Unix, this is not configurable; the X button arrangement is |
| 95 | * rock-solid across all applications, everyone has a three-button |
| 96 | * mouse or a means of faking it, and there is no need to switch |
| 97 | * buttons around at all. |
| 98 | */ |
| 99 | Mouse_Button translate_button(Mouse_Button button) |
| 100 | { |
| 101 | if (button == MBT_LEFT) |
| 102 | return MBT_SELECT; |
| 103 | if (button == MBT_MIDDLE) |
| 104 | return MBT_PASTE; |
| 105 | if (button == MBT_RIGHT) |
| 106 | return MBT_EXTEND; |
| 107 | return 0; /* shouldn't happen */ |
| 108 | } |
| 109 | |
| 110 | /* |
| 111 | * Minimise or restore the window in response to a server-side |
| 112 | * request. |
| 113 | */ |
| 114 | void set_iconic(int iconic) |
| 115 | { |
| 116 | /* |
| 117 | * GTK 1.2 doesn't know how to do this. |
| 118 | */ |
| 119 | #if GTK_CHECK_VERSION(2,0,0) |
| 120 | if (iconic) |
| 121 | gtk_window_iconify(GTK_WINDOW(inst->window)); |
| 122 | else |
| 123 | gtk_window_deiconify(GTK_WINDOW(inst->window)); |
| 124 | #endif |
| 125 | } |
| 126 | |
| 127 | /* |
| 128 | * Move the window in response to a server-side request. |
| 129 | */ |
| 130 | void move_window(int x, int y) |
| 131 | { |
| 132 | /* |
| 133 | * I assume that when the GTK version of this call is available |
| 134 | * we should use it. Not sure how it differs from the GDK one, |
| 135 | * though. |
| 136 | */ |
| 137 | #if GTK_CHECK_VERSION(2,0,0) |
| 138 | gtk_window_move(GTK_WINDOW(inst->window), x, y); |
| 139 | #else |
| 140 | gdk_window_move(inst->window->window, x, y); |
| 141 | #endif |
| 142 | } |
| 143 | |
| 144 | /* |
| 145 | * Move the window to the top or bottom of the z-order in response |
| 146 | * to a server-side request. |
| 147 | */ |
| 148 | void set_zorder(int top) |
| 149 | { |
| 150 | if (top) |
| 151 | gdk_window_raise(inst->window->window); |
| 152 | else |
| 153 | gdk_window_lower(inst->window->window); |
| 154 | } |
| 155 | |
| 156 | /* |
| 157 | * Refresh the window in response to a server-side request. |
| 158 | */ |
| 159 | void refresh_window(void) |
| 160 | { |
| 161 | term_invalidate(); |
| 162 | } |
| 163 | |
| 164 | /* |
| 165 | * Maximise or restore the window in response to a server-side |
| 166 | * request. |
| 167 | */ |
| 168 | void set_zoomed(int zoomed) |
| 169 | { |
| 170 | /* |
| 171 | * GTK 1.2 doesn't know how to do this. |
| 172 | */ |
| 173 | #if GTK_CHECK_VERSION(2,0,0) |
| 174 | if (iconic) |
| 175 | gtk_window_maximize(GTK_WINDOW(inst->window)); |
| 176 | else |
| 177 | gtk_window_unmaximize(GTK_WINDOW(inst->window)); |
| 178 | #endif |
| 179 | } |
| 180 | |
| 181 | /* |
| 182 | * Report whether the window is iconic, for terminal reports. |
| 183 | */ |
| 184 | int is_iconic(void) |
| 185 | { |
| 186 | return !gdk_window_is_viewable(inst->window->window); |
| 187 | } |
| 188 | |
| 189 | /* |
| 190 | * Report the window's position, for terminal reports. |
| 191 | */ |
| 192 | void get_window_pos(int *x, int *y) |
| 193 | { |
| 194 | /* |
| 195 | * I assume that when the GTK version of this call is available |
| 196 | * we should use it. Not sure how it differs from the GDK one, |
| 197 | * though. |
| 198 | */ |
| 199 | #if GTK_CHECK_VERSION(2,0,0) |
| 200 | gtk_window_get_position(GTK_WINDOW(inst->window), x, y); |
| 201 | #else |
| 202 | gdk_window_get_position(inst->window->window, x, y); |
| 203 | #endif |
| 204 | } |
| 205 | |
| 206 | /* |
| 207 | * Report the window's pixel size, for terminal reports. |
| 208 | */ |
| 209 | void get_window_pixels(int *x, int *y) |
| 210 | { |
| 211 | /* |
| 212 | * I assume that when the GTK version of this call is available |
| 213 | * we should use it. Not sure how it differs from the GDK one, |
| 214 | * though. |
| 215 | */ |
| 216 | #if GTK_CHECK_VERSION(2,0,0) |
| 217 | gtk_window_get_size(GTK_WINDOW(inst->window), x, y); |
| 218 | #else |
| 219 | gdk_window_get_size(inst->window->window, x, y); |
| 220 | #endif |
| 221 | } |
| 222 | |
| 223 | /* |
| 224 | * Return the window or icon title. |
| 225 | */ |
| 226 | char *get_window_title(int icon) |
| 227 | { |
| 228 | return icon ? inst->wintitle : inst->icontitle; |
| 229 | } |
| 230 | |
| 231 | gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data) |
| 232 | { |
| 233 | /* |
| 234 | * We could implement warn-on-close here if we really wanted |
| 235 | * to. |
| 236 | */ |
| 237 | return FALSE; |
| 238 | } |
| 239 | |
| 240 | void show_mouseptr(int show) |
| 241 | { |
| 242 | if (!cfg.hide_mouseptr) |
| 243 | show = 1; |
| 244 | if (show) |
| 245 | gdk_window_set_cursor(inst->area->window, inst->currcursor); |
| 246 | else |
| 247 | gdk_window_set_cursor(inst->area->window, inst->blankcursor); |
| 248 | inst->mouseptr_visible = show; |
| 249 | } |
| 250 | |
| 251 | gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data) |
| 252 | { |
| 253 | struct gui_data *inst = (struct gui_data *)data; |
| 254 | int w, h, need_size = 0; |
| 255 | |
| 256 | w = (event->width - 2*cfg.window_border) / inst->font_width; |
| 257 | h = (event->height - 2*cfg.window_border) / inst->font_height; |
| 258 | |
| 259 | if (w != cfg.width || h != cfg.height) { |
| 260 | if (inst->pixmap) { |
| 261 | gdk_pixmap_unref(inst->pixmap); |
| 262 | inst->pixmap = NULL; |
| 263 | } |
| 264 | cfg.width = w; |
| 265 | cfg.height = h; |
| 266 | need_size = 1; |
| 267 | } |
| 268 | if (!inst->pixmap) { |
| 269 | GdkGC *gc; |
| 270 | |
| 271 | inst->pixmap = gdk_pixmap_new(widget->window, |
| 272 | (cfg.width * inst->font_width + |
| 273 | 2*cfg.window_border), |
| 274 | (cfg.height * inst->font_height + |
| 275 | 2*cfg.window_border), -1); |
| 276 | |
| 277 | gc = gdk_gc_new(inst->area->window); |
| 278 | gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */ |
| 279 | gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0, |
| 280 | cfg.width * inst->font_width + 2*cfg.window_border, |
| 281 | cfg.height * inst->font_height + 2*cfg.window_border); |
| 282 | gdk_gc_unref(gc); |
| 283 | } |
| 284 | |
| 285 | if (need_size) { |
| 286 | term_size(h, w, cfg.savelines); |
| 287 | } |
| 288 | |
| 289 | return TRUE; |
| 290 | } |
| 291 | |
| 292 | gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data) |
| 293 | { |
| 294 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 295 | |
| 296 | /* |
| 297 | * Pass the exposed rectangle to terminal.c, which will call us |
| 298 | * back to do the actual painting. |
| 299 | */ |
| 300 | if (inst->pixmap) { |
| 301 | gdk_draw_pixmap(widget->window, |
| 302 | widget->style->fg_gc[GTK_WIDGET_STATE(widget)], |
| 303 | inst->pixmap, |
| 304 | event->area.x, event->area.y, |
| 305 | event->area.x, event->area.y, |
| 306 | event->area.width, event->area.height); |
| 307 | } |
| 308 | return TRUE; |
| 309 | } |
| 310 | |
| 311 | #define KEY_PRESSED(k) \ |
| 312 | (inst->keystate[(k) / 32] & (1 << ((k) % 32))) |
| 313 | |
| 314 | gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 315 | { |
| 316 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 317 | char output[32]; |
| 318 | int start, end; |
| 319 | |
| 320 | if (event->type == GDK_KEY_PRESS) { |
| 321 | #ifdef KEY_DEBUGGING |
| 322 | { |
| 323 | int i; |
| 324 | printf("keypress: keyval = %04x, state = %08x; string =", |
| 325 | event->keyval, event->state); |
| 326 | for (i = 0; event->string[i]; i++) |
| 327 | printf(" %02x", (unsigned char) event->string[i]); |
| 328 | printf("\n"); |
| 329 | } |
| 330 | #endif |
| 331 | |
| 332 | /* |
| 333 | * NYI: |
| 334 | * - alt+numpad |
| 335 | * - Compose key (!!! requires Unicode faff before even trying) |
| 336 | */ |
| 337 | |
| 338 | /* |
| 339 | * Shift-PgUp and Shift-PgDn don't even generate keystrokes |
| 340 | * at all. |
| 341 | */ |
| 342 | if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) { |
| 343 | term_scroll(0, -cfg.height/2); |
| 344 | return TRUE; |
| 345 | } |
| 346 | if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) { |
| 347 | term_scroll(0, +cfg.height/2); |
| 348 | return TRUE; |
| 349 | } |
| 350 | |
| 351 | /* |
| 352 | * Neither does Shift-Ins. |
| 353 | */ |
| 354 | if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) { |
| 355 | request_paste(); |
| 356 | return TRUE; |
| 357 | } |
| 358 | |
| 359 | /* ALT+things gives leading Escape. */ |
| 360 | output[0] = '\033'; |
| 361 | strncpy(output+1, event->string, 31); |
| 362 | output[31] = '\0'; |
| 363 | end = strlen(output); |
| 364 | if (event->state & GDK_MOD1_MASK) |
| 365 | start = 0; |
| 366 | else |
| 367 | start = 1; |
| 368 | |
| 369 | /* Control-` is the same as Control-\ (unless gtk has a better idea) */ |
| 370 | if (!event->string[0] && event->keyval == '`' && |
| 371 | (event->state & GDK_CONTROL_MASK)) { |
| 372 | output[1] = '\x1C'; |
| 373 | end = 2; |
| 374 | } |
| 375 | |
| 376 | /* Control-Break is the same as Control-C */ |
| 377 | if (event->keyval == GDK_Break && |
| 378 | (event->state & GDK_CONTROL_MASK)) { |
| 379 | output[1] = '\003'; |
| 380 | end = 2; |
| 381 | } |
| 382 | |
| 383 | /* Control-2, Control-Space and Control-@ are NUL */ |
| 384 | if (!event->string[0] && |
| 385 | (event->keyval == ' ' || event->keyval == '2' || |
| 386 | event->keyval == '@') && |
| 387 | (event->state & (GDK_SHIFT_MASK | |
| 388 | GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) { |
| 389 | output[1] = '\0'; |
| 390 | end = 2; |
| 391 | } |
| 392 | |
| 393 | /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */ |
| 394 | if (!event->string[0] && event->keyval == ' ' && |
| 395 | (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) == |
| 396 | (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) { |
| 397 | output[1] = '\240'; |
| 398 | end = 2; |
| 399 | } |
| 400 | |
| 401 | /* We don't let GTK tell us what Backspace is! We know better. */ |
| 402 | if (event->keyval == GDK_BackSpace && |
| 403 | !(event->state & GDK_SHIFT_MASK)) { |
| 404 | output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08'; |
| 405 | end = 2; |
| 406 | } |
| 407 | |
| 408 | /* Shift-Tab is ESC [ Z */ |
| 409 | if (event->keyval == GDK_ISO_Left_Tab || |
| 410 | (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) { |
| 411 | end = 1 + sprintf(output+1, "\033[Z"); |
| 412 | } |
| 413 | |
| 414 | /* |
| 415 | * NetHack keypad mode. |
| 416 | */ |
| 417 | if (cfg.nethack_keypad) { |
| 418 | char *keys = NULL; |
| 419 | switch (event->keyval) { |
| 420 | case GDK_KP_1: case GDK_KP_End: keys = "bB"; break; |
| 421 | case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break; |
| 422 | case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break; |
| 423 | case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break; |
| 424 | case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break; |
| 425 | case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break; |
| 426 | case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break; |
| 427 | case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break; |
| 428 | case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break; |
| 429 | } |
| 430 | if (keys) { |
| 431 | end = 2; |
| 432 | if (event->state & GDK_SHIFT_MASK) |
| 433 | output[1] = keys[1]; |
| 434 | else |
| 435 | output[1] = keys[0]; |
| 436 | goto done; |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | /* |
| 441 | * Application keypad mode. |
| 442 | */ |
| 443 | if (app_keypad_keys && !cfg.no_applic_k) { |
| 444 | int xkey = 0; |
| 445 | switch (event->keyval) { |
| 446 | case GDK_Num_Lock: xkey = 'P'; break; |
| 447 | case GDK_KP_Divide: xkey = 'Q'; break; |
| 448 | case GDK_KP_Multiply: xkey = 'R'; break; |
| 449 | case GDK_KP_Subtract: xkey = 'S'; break; |
| 450 | /* |
| 451 | * Keypad + is tricky. It covers a space that would |
| 452 | * be taken up on the VT100 by _two_ keys; so we |
| 453 | * let Shift select between the two. Worse still, |
| 454 | * in xterm function key mode we change which two... |
| 455 | */ |
| 456 | case GDK_KP_Add: |
| 457 | if (cfg.funky_type == 2) { |
| 458 | if (event->state & GDK_SHIFT_MASK) |
| 459 | xkey = 'l'; |
| 460 | else |
| 461 | xkey = 'k'; |
| 462 | } else if (event->state & GDK_SHIFT_MASK) |
| 463 | xkey = 'm'; |
| 464 | else |
| 465 | xkey = 'l'; |
| 466 | break; |
| 467 | case GDK_KP_Enter: xkey = 'M'; break; |
| 468 | case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break; |
| 469 | case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break; |
| 470 | case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break; |
| 471 | case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break; |
| 472 | case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break; |
| 473 | case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break; |
| 474 | case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break; |
| 475 | case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break; |
| 476 | case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break; |
| 477 | case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break; |
| 478 | case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break; |
| 479 | } |
| 480 | if (xkey) { |
| 481 | if (vt52_mode) { |
| 482 | if (xkey >= 'P' && xkey <= 'S') |
| 483 | end = 1 + sprintf(output+1, "\033%c", xkey); |
| 484 | else |
| 485 | end = 1 + sprintf(output+1, "\033?%c", xkey); |
| 486 | } else |
| 487 | end = 1 + sprintf(output+1, "\033O%c", xkey); |
| 488 | goto done; |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | /* |
| 493 | * Next, all the keys that do tilde codes. (ESC '[' nn '~', |
| 494 | * for integer decimal nn.) |
| 495 | * |
| 496 | * We also deal with the weird ones here. Linux VCs replace F1 |
| 497 | * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but |
| 498 | * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w |
| 499 | * respectively. |
| 500 | */ |
| 501 | { |
| 502 | int code = 0; |
| 503 | switch (event->keyval) { |
| 504 | case GDK_F1: |
| 505 | code = (event->state & GDK_SHIFT_MASK ? 23 : 11); |
| 506 | break; |
| 507 | case GDK_F2: |
| 508 | code = (event->state & GDK_SHIFT_MASK ? 24 : 12); |
| 509 | break; |
| 510 | case GDK_F3: |
| 511 | code = (event->state & GDK_SHIFT_MASK ? 25 : 13); |
| 512 | break; |
| 513 | case GDK_F4: |
| 514 | code = (event->state & GDK_SHIFT_MASK ? 26 : 14); |
| 515 | break; |
| 516 | case GDK_F5: |
| 517 | code = (event->state & GDK_SHIFT_MASK ? 28 : 15); |
| 518 | break; |
| 519 | case GDK_F6: |
| 520 | code = (event->state & GDK_SHIFT_MASK ? 29 : 17); |
| 521 | break; |
| 522 | case GDK_F7: |
| 523 | code = (event->state & GDK_SHIFT_MASK ? 31 : 18); |
| 524 | break; |
| 525 | case GDK_F8: |
| 526 | code = (event->state & GDK_SHIFT_MASK ? 32 : 19); |
| 527 | break; |
| 528 | case GDK_F9: |
| 529 | code = (event->state & GDK_SHIFT_MASK ? 33 : 20); |
| 530 | break; |
| 531 | case GDK_F10: |
| 532 | code = (event->state & GDK_SHIFT_MASK ? 34 : 21); |
| 533 | break; |
| 534 | case GDK_F11: |
| 535 | code = 23; |
| 536 | break; |
| 537 | case GDK_F12: |
| 538 | code = 24; |
| 539 | break; |
| 540 | case GDK_F13: |
| 541 | code = 25; |
| 542 | break; |
| 543 | case GDK_F14: |
| 544 | code = 26; |
| 545 | break; |
| 546 | case GDK_F15: |
| 547 | code = 28; |
| 548 | break; |
| 549 | case GDK_F16: |
| 550 | code = 29; |
| 551 | break; |
| 552 | case GDK_F17: |
| 553 | code = 31; |
| 554 | break; |
| 555 | case GDK_F18: |
| 556 | code = 32; |
| 557 | break; |
| 558 | case GDK_F19: |
| 559 | code = 33; |
| 560 | break; |
| 561 | case GDK_F20: |
| 562 | code = 34; |
| 563 | break; |
| 564 | } |
| 565 | if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) { |
| 566 | case GDK_Home: case GDK_KP_Home: |
| 567 | code = 1; |
| 568 | break; |
| 569 | case GDK_Insert: case GDK_KP_Insert: |
| 570 | code = 2; |
| 571 | break; |
| 572 | case GDK_Delete: case GDK_KP_Delete: |
| 573 | code = 3; |
| 574 | break; |
| 575 | case GDK_End: case GDK_KP_End: |
| 576 | code = 4; |
| 577 | break; |
| 578 | case GDK_Page_Up: case GDK_KP_Page_Up: |
| 579 | code = 5; |
| 580 | break; |
| 581 | case GDK_Page_Down: case GDK_KP_Page_Down: |
| 582 | code = 6; |
| 583 | break; |
| 584 | } |
| 585 | /* Reorder edit keys to physical order */ |
| 586 | if (cfg.funky_type == 3 && code <= 6) |
| 587 | code = "\0\2\1\4\5\3\6"[code]; |
| 588 | |
| 589 | if (vt52_mode && code > 0 && code <= 6) { |
| 590 | end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]); |
| 591 | goto done; |
| 592 | } |
| 593 | |
| 594 | if (cfg.funky_type == 5 && /* SCO function keys */ |
| 595 | code >= 11 && code <= 34) { |
| 596 | char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{"; |
| 597 | int index = 0; |
| 598 | switch (event->keyval) { |
| 599 | case GDK_F1: index = 0; break; |
| 600 | case GDK_F2: index = 1; break; |
| 601 | case GDK_F3: index = 2; break; |
| 602 | case GDK_F4: index = 3; break; |
| 603 | case GDK_F5: index = 4; break; |
| 604 | case GDK_F6: index = 5; break; |
| 605 | case GDK_F7: index = 6; break; |
| 606 | case GDK_F8: index = 7; break; |
| 607 | case GDK_F9: index = 8; break; |
| 608 | case GDK_F10: index = 9; break; |
| 609 | case GDK_F11: index = 10; break; |
| 610 | case GDK_F12: index = 11; break; |
| 611 | } |
| 612 | if (event->state & GDK_SHIFT_MASK) index += 12; |
| 613 | if (event->state & GDK_CONTROL_MASK) index += 24; |
| 614 | end = 1 + sprintf(output+1, "\x1B[%c", codes[index]); |
| 615 | goto done; |
| 616 | } |
| 617 | if (cfg.funky_type == 5 && /* SCO small keypad */ |
| 618 | code >= 1 && code <= 6) { |
| 619 | char codes[] = "HL.FIG"; |
| 620 | if (code == 3) { |
| 621 | output[1] = '\x7F'; |
| 622 | end = 2; |
| 623 | } else { |
| 624 | end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]); |
| 625 | } |
| 626 | goto done; |
| 627 | } |
| 628 | if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) { |
| 629 | int offt = 0; |
| 630 | if (code > 15) |
| 631 | offt++; |
| 632 | if (code > 21) |
| 633 | offt++; |
| 634 | if (vt52_mode) |
| 635 | end = 1 + sprintf(output+1, |
| 636 | "\x1B%c", code + 'P' - 11 - offt); |
| 637 | else |
| 638 | end = 1 + sprintf(output+1, |
| 639 | "\x1BO%c", code + 'P' - 11 - offt); |
| 640 | goto done; |
| 641 | } |
| 642 | if (cfg.funky_type == 1 && code >= 11 && code <= 15) { |
| 643 | end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11); |
| 644 | goto done; |
| 645 | } |
| 646 | if (cfg.funky_type == 2 && code >= 11 && code <= 14) { |
| 647 | if (vt52_mode) |
| 648 | end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11); |
| 649 | else |
| 650 | end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11); |
| 651 | goto done; |
| 652 | } |
| 653 | if (cfg.rxvt_homeend && (code == 1 || code == 4)) { |
| 654 | end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw"); |
| 655 | goto done; |
| 656 | } |
| 657 | if (code) { |
| 658 | end = 1 + sprintf(output+1, "\x1B[%d~", code); |
| 659 | goto done; |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | /* |
| 664 | * Cursor keys. (This includes the numberpad cursor keys, |
| 665 | * if we haven't already done them due to app keypad mode.) |
| 666 | * |
| 667 | * Here we also process un-numlocked un-appkeypadded KP5, |
| 668 | * which sends ESC [ G. |
| 669 | */ |
| 670 | { |
| 671 | int xkey = 0; |
| 672 | switch (event->keyval) { |
| 673 | case GDK_Up: case GDK_KP_Up: xkey = 'A'; break; |
| 674 | case GDK_Down: case GDK_KP_Down: xkey = 'B'; break; |
| 675 | case GDK_Right: case GDK_KP_Right: xkey = 'C'; break; |
| 676 | case GDK_Left: case GDK_KP_Left: xkey = 'D'; break; |
| 677 | case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break; |
| 678 | } |
| 679 | if (xkey) { |
| 680 | /* |
| 681 | * The arrow keys normally do ESC [ A and so on. In |
| 682 | * app cursor keys mode they do ESC O A instead. |
| 683 | * Ctrl toggles the two modes. |
| 684 | */ |
| 685 | if (vt52_mode) { |
| 686 | end = 1 + sprintf(output+1, "\033%c", xkey); |
| 687 | } else if (!app_cursor_keys ^ |
| 688 | !(event->state & GDK_CONTROL_MASK)) { |
| 689 | end = 1 + sprintf(output+1, "\033O%c", xkey); |
| 690 | } else { |
| 691 | end = 1 + sprintf(output+1, "\033[%c", xkey); |
| 692 | } |
| 693 | goto done; |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | done: |
| 698 | |
| 699 | #ifdef KEY_DEBUGGING |
| 700 | { |
| 701 | int i; |
| 702 | printf("generating sequence:"); |
| 703 | for (i = start; i < end; i++) |
| 704 | printf(" %02x", (unsigned char) output[i]); |
| 705 | printf("\n"); |
| 706 | } |
| 707 | #endif |
| 708 | if (end-start > 0) { |
| 709 | ldisc_send(output+start, end-start, 1); |
| 710 | show_mouseptr(0); |
| 711 | term_out(); |
| 712 | } |
| 713 | } |
| 714 | |
| 715 | return TRUE; |
| 716 | } |
| 717 | |
| 718 | gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data) |
| 719 | { |
| 720 | struct gui_data *inst = (struct gui_data *)data; |
| 721 | int shift, ctrl, alt, x, y, button, act; |
| 722 | |
| 723 | show_mouseptr(1); |
| 724 | |
| 725 | shift = event->state & GDK_SHIFT_MASK; |
| 726 | ctrl = event->state & GDK_CONTROL_MASK; |
| 727 | alt = event->state & GDK_MOD1_MASK; |
| 728 | if (event->button == 1) |
| 729 | button = MBT_LEFT; |
| 730 | else if (event->button == 2) |
| 731 | button = MBT_MIDDLE; |
| 732 | else if (event->button == 3) |
| 733 | button = MBT_RIGHT; |
| 734 | else |
| 735 | return FALSE; /* don't even know what button! */ |
| 736 | |
| 737 | switch (event->type) { |
| 738 | case GDK_BUTTON_PRESS: act = MA_CLICK; break; |
| 739 | case GDK_BUTTON_RELEASE: act = MA_RELEASE; break; |
| 740 | case GDK_2BUTTON_PRESS: act = MA_2CLK; break; |
| 741 | case GDK_3BUTTON_PRESS: act = MA_3CLK; break; |
| 742 | default: return FALSE; /* don't know this event type */ |
| 743 | } |
| 744 | |
| 745 | if (send_raw_mouse && !(cfg.mouse_override && shift) && |
| 746 | act != MA_CLICK && act != MA_RELEASE) |
| 747 | return TRUE; /* we ignore these in raw mouse mode */ |
| 748 | |
| 749 | x = (event->x - cfg.window_border) / inst->font_width; |
| 750 | y = (event->y - cfg.window_border) / inst->font_height; |
| 751 | |
| 752 | term_mouse(button, act, x, y, shift, ctrl, alt); |
| 753 | |
| 754 | return TRUE; |
| 755 | } |
| 756 | |
| 757 | gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data) |
| 758 | { |
| 759 | struct gui_data *inst = (struct gui_data *)data; |
| 760 | int shift, ctrl, alt, x, y, button; |
| 761 | |
| 762 | show_mouseptr(1); |
| 763 | |
| 764 | shift = event->state & GDK_SHIFT_MASK; |
| 765 | ctrl = event->state & GDK_CONTROL_MASK; |
| 766 | alt = event->state & GDK_MOD1_MASK; |
| 767 | if (event->state & GDK_BUTTON1_MASK) |
| 768 | button = MBT_LEFT; |
| 769 | else if (event->state & GDK_BUTTON2_MASK) |
| 770 | button = MBT_MIDDLE; |
| 771 | else if (event->state & GDK_BUTTON3_MASK) |
| 772 | button = MBT_RIGHT; |
| 773 | else |
| 774 | return FALSE; /* don't even know what button! */ |
| 775 | |
| 776 | x = (event->x - cfg.window_border) / inst->font_width; |
| 777 | y = (event->y - cfg.window_border) / inst->font_height; |
| 778 | |
| 779 | term_mouse(button, MA_DRAG, x, y, shift, ctrl, alt); |
| 780 | |
| 781 | return TRUE; |
| 782 | } |
| 783 | |
| 784 | gint timer_func(gpointer data) |
| 785 | { |
| 786 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 787 | extern int pty_child_is_dead(); /* declared in pty.c */ |
| 788 | |
| 789 | if (pty_child_is_dead()) { |
| 790 | /* |
| 791 | * The primary child process died. We could keep the |
| 792 | * terminal open for remaining subprocesses to output to, |
| 793 | * but conventional wisdom seems to feel that that's the |
| 794 | * Wrong Thing for an xterm-alike, so we bail out now. This |
| 795 | * would be easy enough to change or make configurable if |
| 796 | * necessary. |
| 797 | */ |
| 798 | exit(0); |
| 799 | } |
| 800 | |
| 801 | term_update(); |
| 802 | term_blink(0); |
| 803 | return TRUE; |
| 804 | } |
| 805 | |
| 806 | void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition) |
| 807 | { |
| 808 | /* struct gui_data *inst = (struct gui_data *)data; */ |
| 809 | char buf[4096]; |
| 810 | int ret; |
| 811 | |
| 812 | ret = read(sourcefd, buf, sizeof(buf)); |
| 813 | |
| 814 | /* |
| 815 | * Clean termination condition is that either ret == 0, or ret |
| 816 | * < 0 and errno == EIO. Not sure why the latter, but it seems |
| 817 | * to happen. Boo. |
| 818 | */ |
| 819 | if (ret == 0 || (ret < 0 && errno == EIO)) { |
| 820 | exit(0); |
| 821 | } |
| 822 | |
| 823 | if (ret < 0) { |
| 824 | perror("read pty master"); |
| 825 | exit(1); |
| 826 | } |
| 827 | if (ret > 0) |
| 828 | from_backend(0, buf, ret); |
| 829 | term_blink(1); |
| 830 | term_out(); |
| 831 | } |
| 832 | |
| 833 | void destroy(GtkWidget *widget, gpointer data) |
| 834 | { |
| 835 | gtk_main_quit(); |
| 836 | } |
| 837 | |
| 838 | gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data) |
| 839 | { |
| 840 | has_focus = event->in; |
| 841 | term_out(); |
| 842 | term_update(); |
| 843 | show_mouseptr(1); |
| 844 | return FALSE; |
| 845 | } |
| 846 | |
| 847 | /* |
| 848 | * set or clear the "raw mouse message" mode |
| 849 | */ |
| 850 | void set_raw_mouse_mode(int activate) |
| 851 | { |
| 852 | activate = activate && !cfg.no_mouse_rep; |
| 853 | send_raw_mouse = activate; |
| 854 | if (send_raw_mouse) |
| 855 | inst->currcursor = inst->rawcursor; |
| 856 | else |
| 857 | inst->currcursor = inst->textcursor; |
| 858 | show_mouseptr(inst->mouseptr_visible); |
| 859 | } |
| 860 | |
| 861 | void request_resize(int w, int h) |
| 862 | { |
| 863 | int large_x, large_y; |
| 864 | int offset_x, offset_y; |
| 865 | int area_x, area_y; |
| 866 | GtkRequisition inner, outer; |
| 867 | |
| 868 | /* |
| 869 | * This is a heinous hack dreamed up by the gnome-terminal |
| 870 | * people to get around a limitation in gtk. The problem is |
| 871 | * that in order to set the size correctly we really need to be |
| 872 | * calling gtk_window_resize - but that needs to know the size |
| 873 | * of the _whole window_, not the drawing area. So what we do |
| 874 | * is to set an artificially huge size request on the drawing |
| 875 | * area, recompute the resulting size request on the window, |
| 876 | * and look at the difference between the two. That gives us |
| 877 | * the x and y offsets we need to translate drawing area size |
| 878 | * into window size for real, and then we call |
| 879 | * gtk_window_resize. |
| 880 | */ |
| 881 | |
| 882 | /* |
| 883 | * We start by retrieving the current size of the whole window. |
| 884 | * Adding a bit to _that_ will give us a value we can use as a |
| 885 | * bogus size request which guarantees to be bigger than the |
| 886 | * current size of the drawing area. |
| 887 | */ |
| 888 | get_window_pixels(&large_x, &large_y); |
| 889 | large_x += 32; |
| 890 | large_y += 32; |
| 891 | |
| 892 | #if GTK_CHECK_VERSION(2,0,0) |
| 893 | gtk_widget_set_size_request(inst->area, large_x, large_y); |
| 894 | #else |
| 895 | gtk_widget_set_usize(inst->area, large_x, large_y); |
| 896 | #endif |
| 897 | gtk_widget_size_request(inst->area, &inner); |
| 898 | gtk_widget_size_request(inst->window, &outer); |
| 899 | |
| 900 | offset_x = outer.width - inner.width; |
| 901 | offset_y = outer.height - inner.height; |
| 902 | |
| 903 | area_x = inst->font_width * w + 2*cfg.window_border; |
| 904 | area_y = inst->font_height * h + 2*cfg.window_border; |
| 905 | |
| 906 | /* |
| 907 | * Now we must set the size request on the drawing area back to |
| 908 | * something sensible before we commit the real resize. Best |
| 909 | * way to do this, I think, is to set it to what the size is |
| 910 | * really going to end up being. |
| 911 | */ |
| 912 | #if GTK_CHECK_VERSION(2,0,0) |
| 913 | gtk_widget_set_size_request(inst->area, area_x, area_y); |
| 914 | #else |
| 915 | gtk_widget_set_usize(inst->area, area_x, area_y); |
| 916 | #endif |
| 917 | |
| 918 | #if GTK_CHECK_VERSION(2,0,0) |
| 919 | gtk_window_resize(GTK_WINDOW(inst->window), |
| 920 | area_x + offset_x, area_y + offset_y); |
| 921 | #else |
| 922 | gdk_window_resize(inst->window->window, |
| 923 | area_x + offset_x, area_y + offset_y); |
| 924 | #endif |
| 925 | } |
| 926 | |
| 927 | void real_palette_set(int n, int r, int g, int b) |
| 928 | { |
| 929 | gboolean success[1]; |
| 930 | |
| 931 | inst->cols[n].red = r * 0x0101; |
| 932 | inst->cols[n].green = g * 0x0101; |
| 933 | inst->cols[n].blue = b * 0x0101; |
| 934 | |
| 935 | gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1, |
| 936 | FALSE, FALSE, success); |
| 937 | if (!success[0]) |
| 938 | g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n", |
| 939 | n, r, g, b); |
| 940 | } |
| 941 | |
| 942 | void palette_set(int n, int r, int g, int b) |
| 943 | { |
| 944 | static const int first[21] = { |
| 945 | 0, 2, 4, 6, 8, 10, 12, 14, |
| 946 | 1, 3, 5, 7, 9, 11, 13, 15, |
| 947 | 16, 17, 18, 20, 22 |
| 948 | }; |
| 949 | real_palette_set(first[n], r, g, b); |
| 950 | if (first[n] >= 18) |
| 951 | real_palette_set(first[n] + 1, r, g, b); |
| 952 | } |
| 953 | |
| 954 | void palette_reset(void) |
| 955 | { |
| 956 | /* This maps colour indices in cfg to those used in inst->cols. */ |
| 957 | static const int ww[] = { |
| 958 | 6, 7, 8, 9, 10, 11, 12, 13, |
| 959 | 14, 15, 16, 17, 18, 19, 20, 21, |
| 960 | 0, 1, 2, 3, 4, 5 |
| 961 | }; |
| 962 | gboolean success[NCOLOURS]; |
| 963 | int i; |
| 964 | |
| 965 | assert(lenof(ww) == NCOLOURS); |
| 966 | |
| 967 | if (!inst->colmap) { |
| 968 | inst->colmap = gdk_colormap_get_system(); |
| 969 | } else { |
| 970 | gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS); |
| 971 | } |
| 972 | |
| 973 | for (i = 0; i < NCOLOURS; i++) { |
| 974 | inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101; |
| 975 | inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101; |
| 976 | inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101; |
| 977 | } |
| 978 | |
| 979 | gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS, |
| 980 | FALSE, FALSE, success); |
| 981 | for (i = 0; i < NCOLOURS; i++) { |
| 982 | if (!success[i]) |
| 983 | g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n", |
| 984 | i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]); |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | void write_clip(wchar_t * data, int len, int must_deselect) |
| 989 | { |
| 990 | if (inst->pasteout_data) |
| 991 | sfree(inst->pasteout_data); |
| 992 | inst->pasteout_data = smalloc(len); |
| 993 | inst->pasteout_data_len = len; |
| 994 | wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len, |
| 995 | NULL, NULL); |
| 996 | |
| 997 | if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY, |
| 998 | GDK_CURRENT_TIME)) { |
| 999 | gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, |
| 1000 | GDK_SELECTION_TYPE_STRING, 1); |
| 1001 | gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, |
| 1002 | inst->compound_text_atom, 1); |
| 1003 | } |
| 1004 | } |
| 1005 | |
| 1006 | void selection_get(GtkWidget *widget, GtkSelectionData *seldata, |
| 1007 | guint info, guint time_stamp, gpointer data) |
| 1008 | { |
| 1009 | gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8, |
| 1010 | inst->pasteout_data, inst->pasteout_data_len); |
| 1011 | } |
| 1012 | |
| 1013 | gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata, |
| 1014 | gpointer data) |
| 1015 | { |
| 1016 | term_deselect(); |
| 1017 | if (inst->pasteout_data) |
| 1018 | sfree(inst->pasteout_data); |
| 1019 | inst->pasteout_data = NULL; |
| 1020 | inst->pasteout_data_len = 0; |
| 1021 | return TRUE; |
| 1022 | } |
| 1023 | |
| 1024 | void request_paste(void) |
| 1025 | { |
| 1026 | /* |
| 1027 | * In Unix, pasting is asynchronous: all we can do at the |
| 1028 | * moment is to call gtk_selection_convert(), and when the data |
| 1029 | * comes back _then_ we can call term_do_paste(). |
| 1030 | */ |
| 1031 | gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY, |
| 1032 | GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME); |
| 1033 | } |
| 1034 | |
| 1035 | gint idle_paste_func(gpointer data); /* forward ref */ |
| 1036 | |
| 1037 | void selection_received(GtkWidget *widget, GtkSelectionData *seldata, |
| 1038 | gpointer data) |
| 1039 | { |
| 1040 | if (seldata->length <= 0 || |
| 1041 | seldata->type != GDK_SELECTION_TYPE_STRING) |
| 1042 | return; /* Nothing happens. */ |
| 1043 | |
| 1044 | if (inst->pastein_data) |
| 1045 | sfree(inst->pastein_data); |
| 1046 | |
| 1047 | inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t)); |
| 1048 | inst->pastein_data_len = seldata->length; |
| 1049 | mb_to_wc(0, 0, seldata->data, seldata->length, |
| 1050 | inst->pastein_data, inst->pastein_data_len); |
| 1051 | |
| 1052 | term_do_paste(); |
| 1053 | |
| 1054 | if (term_paste_pending()) |
| 1055 | inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst); |
| 1056 | } |
| 1057 | |
| 1058 | gint idle_paste_func(gpointer data) |
| 1059 | { |
| 1060 | struct gui_data *inst = (struct gui_data *)data; |
| 1061 | |
| 1062 | if (term_paste_pending()) |
| 1063 | term_paste(); |
| 1064 | else |
| 1065 | gtk_idle_remove(inst->term_paste_idle_id); |
| 1066 | |
| 1067 | return TRUE; |
| 1068 | } |
| 1069 | |
| 1070 | |
| 1071 | void get_clip(wchar_t ** p, int *len) |
| 1072 | { |
| 1073 | if (p) { |
| 1074 | *p = inst->pastein_data; |
| 1075 | *len = inst->pastein_data_len; |
| 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | void set_title(char *title) |
| 1080 | { |
| 1081 | strncpy(inst->wintitle, title, lenof(inst->wintitle)); |
| 1082 | inst->wintitle[lenof(inst->wintitle)-1] = '\0'; |
| 1083 | gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle); |
| 1084 | } |
| 1085 | |
| 1086 | void set_icon(char *title) |
| 1087 | { |
| 1088 | strncpy(inst->icontitle, title, lenof(inst->icontitle)); |
| 1089 | inst->icontitle[lenof(inst->icontitle)-1] = '\0'; |
| 1090 | gdk_window_set_icon_name(inst->window->window, inst->icontitle); |
| 1091 | } |
| 1092 | |
| 1093 | void set_sbar(int total, int start, int page) |
| 1094 | { |
| 1095 | if (!cfg.scrollbar) |
| 1096 | return; |
| 1097 | inst->sbar_adjust->lower = 0; |
| 1098 | inst->sbar_adjust->upper = total; |
| 1099 | inst->sbar_adjust->value = start; |
| 1100 | inst->sbar_adjust->page_size = page; |
| 1101 | inst->sbar_adjust->step_increment = 1; |
| 1102 | inst->sbar_adjust->page_increment = page/2; |
| 1103 | inst->ignore_sbar = TRUE; |
| 1104 | gtk_adjustment_changed(inst->sbar_adjust); |
| 1105 | inst->ignore_sbar = FALSE; |
| 1106 | } |
| 1107 | |
| 1108 | void scrollbar_moved(GtkAdjustment *adj, gpointer data) |
| 1109 | { |
| 1110 | if (!cfg.scrollbar) |
| 1111 | return; |
| 1112 | if (!inst->ignore_sbar) |
| 1113 | term_scroll(1, (int)adj->value); |
| 1114 | } |
| 1115 | |
| 1116 | void sys_cursor(int x, int y) |
| 1117 | { |
| 1118 | /* |
| 1119 | * This is meaningless under X. |
| 1120 | */ |
| 1121 | } |
| 1122 | |
| 1123 | void beep(int mode) |
| 1124 | { |
| 1125 | gdk_beep(); |
| 1126 | } |
| 1127 | |
| 1128 | int CharWidth(Context ctx, int uc) |
| 1129 | { |
| 1130 | /* |
| 1131 | * Under X, any fixed-width font really _is_ fixed-width. |
| 1132 | * Double-width characters will be dealt with using a separate |
| 1133 | * font. For the moment we can simply return 1. |
| 1134 | */ |
| 1135 | return 1; |
| 1136 | } |
| 1137 | |
| 1138 | Context get_ctx(void) |
| 1139 | { |
| 1140 | GdkGC *gc; |
| 1141 | if (!inst->area->window) |
| 1142 | return NULL; |
| 1143 | gc = gdk_gc_new(inst->area->window); |
| 1144 | return gc; |
| 1145 | } |
| 1146 | |
| 1147 | void free_ctx(Context ctx) |
| 1148 | { |
| 1149 | GdkGC *gc = (GdkGC *)ctx; |
| 1150 | gdk_gc_unref(gc); |
| 1151 | } |
| 1152 | |
| 1153 | /* |
| 1154 | * Draw a line of text in the window, at given character |
| 1155 | * coordinates, in given attributes. |
| 1156 | * |
| 1157 | * We are allowed to fiddle with the contents of `text'. |
| 1158 | */ |
| 1159 | void do_text(Context ctx, int x, int y, char *text, int len, |
| 1160 | unsigned long attr, int lattr) |
| 1161 | { |
| 1162 | int nfg, nbg, t; |
| 1163 | GdkGC *gc = (GdkGC *)ctx; |
| 1164 | |
| 1165 | /* |
| 1166 | * NYI: |
| 1167 | * - Unicode, code pages, and ATTR_WIDE for CJK support. |
| 1168 | * - cursor shapes other than block |
| 1169 | * - shadow bolding |
| 1170 | */ |
| 1171 | |
| 1172 | nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT); |
| 1173 | nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT); |
| 1174 | if (attr & ATTR_REVERSE) { |
| 1175 | t = nfg; |
| 1176 | nfg = nbg; |
| 1177 | nbg = t; |
| 1178 | } |
| 1179 | if (cfg.bold_colour && (attr & ATTR_BOLD)) |
| 1180 | nfg++; |
| 1181 | if (cfg.bold_colour && (attr & ATTR_BLINK)) |
| 1182 | nbg++; |
| 1183 | if (attr & TATTR_ACTCURS) { |
| 1184 | nfg = NCOLOURS-2; |
| 1185 | nbg = NCOLOURS-1; |
| 1186 | } |
| 1187 | |
| 1188 | if (lattr != LATTR_NORM) { |
| 1189 | x *= 2; |
| 1190 | if (x >= cols) |
| 1191 | return; |
| 1192 | if (x + len*2 > cols) |
| 1193 | len = (cols-x)/2; /* trim to LH half */ |
| 1194 | } |
| 1195 | |
| 1196 | gdk_gc_set_foreground(gc, &inst->cols[nbg]); |
| 1197 | gdk_draw_rectangle(inst->pixmap, gc, 1, |
| 1198 | x*inst->font_width+cfg.window_border, |
| 1199 | y*inst->font_height+cfg.window_border, |
| 1200 | len*inst->font_width, inst->font_height); |
| 1201 | |
| 1202 | gdk_gc_set_foreground(gc, &inst->cols[nfg]); |
| 1203 | gdk_draw_text(inst->pixmap, inst->fonts[0], gc, |
| 1204 | x*inst->font_width+cfg.window_border, |
| 1205 | y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent, |
| 1206 | text, len); |
| 1207 | |
| 1208 | if (attr & ATTR_UNDER) { |
| 1209 | int uheight = inst->fonts[0]->ascent + 1; |
| 1210 | if (uheight >= inst->font_height) |
| 1211 | uheight = inst->font_height - 1; |
| 1212 | gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border, |
| 1213 | y*inst->font_height + uheight + cfg.window_border, |
| 1214 | (x+len)*inst->font_width-1+cfg.window_border, |
| 1215 | y*inst->font_height + uheight + cfg.window_border); |
| 1216 | } |
| 1217 | |
| 1218 | if (lattr != LATTR_NORM) { |
| 1219 | /* |
| 1220 | * I can't find any plausible StretchBlt equivalent in the |
| 1221 | * X server, so I'm going to do this the slow and painful |
| 1222 | * way. This will involve repeated calls to |
| 1223 | * gdk_draw_pixmap() to stretch the text horizontally. It's |
| 1224 | * O(N^2) in time and O(N) in network bandwidth, but you |
| 1225 | * try thinking of a better way. :-( |
| 1226 | */ |
| 1227 | int i; |
| 1228 | for (i = 0; i < len * inst->font_width; i++) { |
| 1229 | gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap, |
| 1230 | x*inst->font_width+cfg.window_border + 2*i, |
| 1231 | y*inst->font_height+cfg.window_border, |
| 1232 | x*inst->font_width+cfg.window_border + 2*i+1, |
| 1233 | y*inst->font_height+cfg.window_border, |
| 1234 | len * inst->font_width - i, inst->font_height); |
| 1235 | } |
| 1236 | len *= 2; |
| 1237 | if (lattr != LATTR_WIDE) { |
| 1238 | int dt, db; |
| 1239 | /* Now stretch vertically, in the same way. */ |
| 1240 | if (lattr == LATTR_BOT) |
| 1241 | dt = 0, db = 1; |
| 1242 | else |
| 1243 | dt = 1, db = 0; |
| 1244 | for (i = 0; i < inst->font_height; i+=2) { |
| 1245 | gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap, |
| 1246 | x*inst->font_width+cfg.window_border, |
| 1247 | y*inst->font_height+cfg.window_border+dt*i+db, |
| 1248 | x*inst->font_width+cfg.window_border, |
| 1249 | y*inst->font_height+cfg.window_border+dt*(i+1), |
| 1250 | len * inst->font_width, inst->font_height-i-1); |
| 1251 | } |
| 1252 | } |
| 1253 | len *= 2; |
| 1254 | } |
| 1255 | |
| 1256 | gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, |
| 1257 | x*inst->font_width+cfg.window_border, |
| 1258 | y*inst->font_height+cfg.window_border, |
| 1259 | x*inst->font_width+cfg.window_border, |
| 1260 | y*inst->font_height+cfg.window_border, |
| 1261 | len*inst->font_width, inst->font_height); |
| 1262 | } |
| 1263 | |
| 1264 | void do_cursor(Context ctx, int x, int y, char *text, int len, |
| 1265 | unsigned long attr, int lattr) |
| 1266 | { |
| 1267 | int passive; |
| 1268 | GdkGC *gc = (GdkGC *)ctx; |
| 1269 | |
| 1270 | /* |
| 1271 | * NYI: cursor shapes other than block |
| 1272 | */ |
| 1273 | if (attr & TATTR_PASCURS) { |
| 1274 | attr &= ~TATTR_PASCURS; |
| 1275 | passive = 1; |
| 1276 | } else |
| 1277 | passive = 0; |
| 1278 | do_text(ctx, x, y, text, len, attr, lattr); |
| 1279 | if (passive) { |
| 1280 | gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]); |
| 1281 | gdk_draw_rectangle(inst->pixmap, gc, 0, |
| 1282 | x*inst->font_width+cfg.window_border, |
| 1283 | y*inst->font_height+cfg.window_border, |
| 1284 | len*inst->font_width-1, inst->font_height-1); |
| 1285 | gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, |
| 1286 | x*inst->font_width+cfg.window_border, |
| 1287 | y*inst->font_height+cfg.window_border, |
| 1288 | x*inst->font_width+cfg.window_border, |
| 1289 | y*inst->font_height+cfg.window_border, |
| 1290 | len*inst->font_width, inst->font_height); |
| 1291 | } |
| 1292 | } |
| 1293 | |
| 1294 | GdkCursor *make_mouse_ptr(int cursor_val) |
| 1295 | { |
| 1296 | /* |
| 1297 | * Truly hideous hack: GTK doesn't allow us to set the mouse |
| 1298 | * cursor foreground and background colours unless we've _also_ |
| 1299 | * created our own cursor from bitmaps. Therefore, I need to |
| 1300 | * load the `cursor' font and draw glyphs from it on to |
| 1301 | * pixmaps, in order to construct my cursors with the fg and bg |
| 1302 | * I want. This is a gross hack, but it's more self-contained |
| 1303 | * than linking in Xlib to find the X window handle to |
| 1304 | * inst->area and calling XRecolorCursor, and it's more |
| 1305 | * futureproof than hard-coding the shapes as bitmap arrays. |
| 1306 | */ |
| 1307 | static GdkFont *cursor_font = NULL; |
| 1308 | GdkPixmap *source, *mask; |
| 1309 | GdkGC *gc; |
| 1310 | GdkColor cfg = { 0, 65535, 65535, 65535 }; |
| 1311 | GdkColor cbg = { 0, 0, 0, 0 }; |
| 1312 | GdkColor dfg = { 1, 65535, 65535, 65535 }; |
| 1313 | GdkColor dbg = { 0, 0, 0, 0 }; |
| 1314 | GdkCursor *ret; |
| 1315 | gchar text[2]; |
| 1316 | gint lb, rb, wid, asc, desc, w, h, x, y; |
| 1317 | |
| 1318 | if (cursor_val == -2) { |
| 1319 | gdk_font_unref(cursor_font); |
| 1320 | return NULL; |
| 1321 | } |
| 1322 | |
| 1323 | if (cursor_val >= 0 && !cursor_font) |
| 1324 | cursor_font = gdk_font_load("cursor"); |
| 1325 | |
| 1326 | /* |
| 1327 | * Get the text extent of the cursor in question. We use the |
| 1328 | * mask character for this, because it's typically slightly |
| 1329 | * bigger than the main character. |
| 1330 | */ |
| 1331 | if (cursor_val >= 0) { |
| 1332 | text[1] = '\0'; |
| 1333 | text[0] = (char)cursor_val + 1; |
| 1334 | gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc); |
| 1335 | w = rb-lb; h = asc+desc; x = -lb; y = asc; |
| 1336 | } else { |
| 1337 | w = h = 1; |
| 1338 | x = y = 0; |
| 1339 | } |
| 1340 | |
| 1341 | source = gdk_pixmap_new(NULL, w, h, 1); |
| 1342 | mask = gdk_pixmap_new(NULL, w, h, 1); |
| 1343 | |
| 1344 | /* |
| 1345 | * Draw the mask character on the mask pixmap. |
| 1346 | */ |
| 1347 | gc = gdk_gc_new(mask); |
| 1348 | gdk_gc_set_foreground(gc, &dbg); |
| 1349 | gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h); |
| 1350 | if (cursor_val >= 0) { |
| 1351 | text[1] = '\0'; |
| 1352 | text[0] = (char)cursor_val + 1; |
| 1353 | gdk_gc_set_foreground(gc, &dfg); |
| 1354 | gdk_draw_text(mask, cursor_font, gc, x, y, text, 1); |
| 1355 | } |
| 1356 | gdk_gc_unref(gc); |
| 1357 | |
| 1358 | /* |
| 1359 | * Draw the main character on the source pixmap. |
| 1360 | */ |
| 1361 | gc = gdk_gc_new(source); |
| 1362 | gdk_gc_set_foreground(gc, &dbg); |
| 1363 | gdk_draw_rectangle(source, gc, 1, 0, 0, w, h); |
| 1364 | if (cursor_val >= 0) { |
| 1365 | text[1] = '\0'; |
| 1366 | text[0] = (char)cursor_val; |
| 1367 | gdk_gc_set_foreground(gc, &dfg); |
| 1368 | gdk_draw_text(source, cursor_font, gc, x, y, text, 1); |
| 1369 | } |
| 1370 | gdk_gc_unref(gc); |
| 1371 | |
| 1372 | /* |
| 1373 | * Create the cursor. |
| 1374 | */ |
| 1375 | ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y); |
| 1376 | |
| 1377 | /* |
| 1378 | * Clean up. |
| 1379 | */ |
| 1380 | gdk_pixmap_unref(source); |
| 1381 | gdk_pixmap_unref(mask); |
| 1382 | |
| 1383 | return ret; |
| 1384 | } |
| 1385 | |
| 1386 | void modalfatalbox(char *p, ...) |
| 1387 | { |
| 1388 | va_list ap; |
| 1389 | fprintf(stderr, "FATAL ERROR: "); |
| 1390 | va_start(ap, p); |
| 1391 | vfprintf(stderr, p, ap); |
| 1392 | va_end(ap); |
| 1393 | fputc('\n', stderr); |
| 1394 | exit(1); |
| 1395 | } |
| 1396 | |
| 1397 | char *get_x_display(void) |
| 1398 | { |
| 1399 | return gdk_get_display(); |
| 1400 | } |
| 1401 | |
| 1402 | int main(int argc, char **argv) |
| 1403 | { |
| 1404 | extern int pty_master_fd; /* declared in pty.c */ |
| 1405 | extern char **pty_argv; /* declared in pty.c */ |
| 1406 | int err = 0; |
| 1407 | |
| 1408 | gtk_init(&argc, &argv); |
| 1409 | |
| 1410 | do_defaults(NULL, &cfg); |
| 1411 | |
| 1412 | while (--argc > 0) { |
| 1413 | char *p = *++argv; |
| 1414 | if (!strcmp(p, "-fn")) { |
| 1415 | if (--argc > 0) { |
| 1416 | strncpy(cfg.font, *++argv, sizeof(cfg.font)); |
| 1417 | cfg.font[sizeof(cfg.font)-1] = '\0'; |
| 1418 | } else |
| 1419 | err = 1, fprintf(stderr, "pterm: -fn expects an argument\n"); |
| 1420 | } |
| 1421 | if (!strcmp(p, "-e")) { |
| 1422 | if (--argc > 0) { |
| 1423 | int i; |
| 1424 | pty_argv = smalloc((argc+1) * sizeof(char *)); |
| 1425 | ++argv; |
| 1426 | for (i = 0; i < argc; i++) |
| 1427 | pty_argv[i] = argv[i]; |
| 1428 | pty_argv[argc] = NULL; |
| 1429 | break; /* finished command-line processing */ |
| 1430 | } else |
| 1431 | err = 1, fprintf(stderr, "pterm: -e expects an argument\n"); |
| 1432 | } |
| 1433 | if (!strcmp(p, "-T")) { |
| 1434 | if (--argc > 0) { |
| 1435 | strncpy(cfg.wintitle, *++argv, sizeof(cfg.wintitle)); |
| 1436 | cfg.wintitle[sizeof(cfg.wintitle)-1] = '\0'; |
| 1437 | } else |
| 1438 | err = 1, fprintf(stderr, "pterm: -T expects an argument\n"); |
| 1439 | } |
| 1440 | if (!strcmp(p, "-log")) { |
| 1441 | if (--argc > 0) { |
| 1442 | strncpy(cfg.logfilename, *++argv, sizeof(cfg.logfilename)); |
| 1443 | cfg.logfilename[sizeof(cfg.logfilename)-1] = '\0'; |
| 1444 | cfg.logtype = LGTYP_DEBUG; |
| 1445 | } else |
| 1446 | err = 1, fprintf(stderr, "pterm: -log expects an argument\n"); |
| 1447 | } |
| 1448 | if (!strcmp(p, "-hide")) { |
| 1449 | cfg.hide_mouseptr = 1; |
| 1450 | } |
| 1451 | if (!strcmp(p, "-ut-")) { |
| 1452 | cfg.stamp_utmp = 0; |
| 1453 | } |
| 1454 | if (!strcmp(p, "-ls-")) { |
| 1455 | cfg.login_shell = 0; |
| 1456 | } |
| 1457 | if (!strcmp(p, "-nethack")) { |
| 1458 | cfg.nethack_keypad = 1; |
| 1459 | } |
| 1460 | if (!strcmp(p, "-sb-")) { |
| 1461 | cfg.scrollbar = 0; |
| 1462 | } |
| 1463 | } |
| 1464 | |
| 1465 | inst->fonts[0] = gdk_font_load(cfg.font); |
| 1466 | inst->fonts[1] = NULL; /* FIXME: what about bold font? */ |
| 1467 | inst->font_width = gdk_char_width(inst->fonts[0], ' '); |
| 1468 | inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent; |
| 1469 | |
| 1470 | inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE); |
| 1471 | |
| 1472 | init_ucs(); |
| 1473 | |
| 1474 | inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 1475 | |
| 1476 | if (cfg.wintitle[0]) |
| 1477 | set_title(cfg.wintitle); |
| 1478 | else |
| 1479 | set_title("pterm"); |
| 1480 | |
| 1481 | /* |
| 1482 | * Set up the colour map. |
| 1483 | */ |
| 1484 | palette_reset(); |
| 1485 | |
| 1486 | inst->area = gtk_drawing_area_new(); |
| 1487 | gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), |
| 1488 | inst->font_width * cfg.width + 2*cfg.window_border, |
| 1489 | inst->font_height * cfg.height + 2*cfg.window_border); |
| 1490 | if (cfg.scrollbar) { |
| 1491 | inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0)); |
| 1492 | inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust); |
| 1493 | } |
| 1494 | inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0)); |
| 1495 | gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0); |
| 1496 | if (cfg.scrollbar) |
| 1497 | gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0); |
| 1498 | |
| 1499 | gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox)); |
| 1500 | |
| 1501 | { |
| 1502 | GdkGeometry geom; |
| 1503 | geom.min_width = inst->font_width + 2*cfg.window_border; |
| 1504 | geom.min_height = inst->font_height + 2*cfg.window_border; |
| 1505 | geom.max_width = geom.max_height = -1; |
| 1506 | geom.base_width = 2*cfg.window_border; |
| 1507 | geom.base_height = 2*cfg.window_border; |
| 1508 | geom.width_inc = inst->font_width; |
| 1509 | geom.height_inc = inst->font_height; |
| 1510 | geom.min_aspect = geom.max_aspect = 0; |
| 1511 | gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom, |
| 1512 | GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE | |
| 1513 | GDK_HINT_RESIZE_INC); |
| 1514 | } |
| 1515 | |
| 1516 | gtk_signal_connect(GTK_OBJECT(inst->window), "destroy", |
| 1517 | GTK_SIGNAL_FUNC(destroy), inst); |
| 1518 | gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event", |
| 1519 | GTK_SIGNAL_FUNC(delete_window), inst); |
| 1520 | gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event", |
| 1521 | GTK_SIGNAL_FUNC(key_event), inst); |
| 1522 | gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event", |
| 1523 | GTK_SIGNAL_FUNC(focus_event), inst); |
| 1524 | gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event", |
| 1525 | GTK_SIGNAL_FUNC(focus_event), inst); |
| 1526 | gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event", |
| 1527 | GTK_SIGNAL_FUNC(configure_area), inst); |
| 1528 | gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event", |
| 1529 | GTK_SIGNAL_FUNC(expose_area), inst); |
| 1530 | gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event", |
| 1531 | GTK_SIGNAL_FUNC(button_event), inst); |
| 1532 | gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event", |
| 1533 | GTK_SIGNAL_FUNC(button_event), inst); |
| 1534 | gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event", |
| 1535 | GTK_SIGNAL_FUNC(motion_event), inst); |
| 1536 | gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received", |
| 1537 | GTK_SIGNAL_FUNC(selection_received), inst); |
| 1538 | gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get", |
| 1539 | GTK_SIGNAL_FUNC(selection_get), inst); |
| 1540 | gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event", |
| 1541 | GTK_SIGNAL_FUNC(selection_clear), inst); |
| 1542 | if (cfg.scrollbar) |
| 1543 | gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed", |
| 1544 | GTK_SIGNAL_FUNC(scrollbar_moved), inst); |
| 1545 | gtk_timeout_add(20, timer_func, inst); |
| 1546 | gtk_widget_add_events(GTK_WIDGET(inst->area), |
| 1547 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | |
| 1548 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | |
| 1549 | GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK); |
| 1550 | |
| 1551 | gtk_widget_show(inst->area); |
| 1552 | if (cfg.scrollbar) |
| 1553 | gtk_widget_show(inst->sbar); |
| 1554 | gtk_widget_show(GTK_WIDGET(inst->hbox)); |
| 1555 | gtk_widget_show(inst->window); |
| 1556 | |
| 1557 | inst->textcursor = make_mouse_ptr(GDK_XTERM); |
| 1558 | inst->rawcursor = make_mouse_ptr(GDK_LEFT_PTR); |
| 1559 | inst->blankcursor = make_mouse_ptr(-1); |
| 1560 | make_mouse_ptr(-2); /* clean up cursor font */ |
| 1561 | inst->currcursor = inst->textcursor; |
| 1562 | show_mouseptr(1); |
| 1563 | |
| 1564 | back = &pty_backend; |
| 1565 | back->init(NULL, 0, NULL, 0); |
| 1566 | |
| 1567 | gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst); |
| 1568 | |
| 1569 | term_init(); |
| 1570 | term_size(cfg.height, cfg.width, cfg.savelines); |
| 1571 | |
| 1572 | gtk_main(); |
| 1573 | |
| 1574 | return 0; |
| 1575 | } |