| 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 | #define _GNU_SOURCE |
| 7 | |
| 8 | #include <string.h> |
| 9 | #include <assert.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <string.h> |
| 12 | #include <signal.h> |
| 13 | #include <stdio.h> |
| 14 | #include <time.h> |
| 15 | #include <errno.h> |
| 16 | #include <fcntl.h> |
| 17 | #include <unistd.h> |
| 18 | #include <sys/types.h> |
| 19 | #include <sys/wait.h> |
| 20 | #include <gtk/gtk.h> |
| 21 | #include <gdk/gdkkeysyms.h> |
| 22 | #include <gdk/gdkx.h> |
| 23 | #include <X11/Xlib.h> |
| 24 | #include <X11/Xutil.h> |
| 25 | |
| 26 | #define PUTTY_DO_GLOBALS /* actually _define_ globals */ |
| 27 | |
| 28 | #include "putty.h" |
| 29 | #include "terminal.h" |
| 30 | |
| 31 | #define CAT2(x,y) x ## y |
| 32 | #define CAT(x,y) CAT2(x,y) |
| 33 | #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)} |
| 34 | |
| 35 | #define NCOLOURS (lenof(((Config *)0)->colours)) |
| 36 | |
| 37 | struct gui_data { |
| 38 | GtkWidget *window, *area, *sbar; |
| 39 | GtkBox *hbox; |
| 40 | GtkAdjustment *sbar_adjust; |
| 41 | GdkPixmap *pixmap; |
| 42 | GdkFont *fonts[2]; /* normal and bold (for now!) */ |
| 43 | struct { |
| 44 | int charset; |
| 45 | int is_wide; |
| 46 | } fontinfo[2]; |
| 47 | GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor; |
| 48 | GdkColor cols[NCOLOURS]; |
| 49 | GdkColormap *colmap; |
| 50 | wchar_t *pastein_data; |
| 51 | int pastein_data_len; |
| 52 | char *pasteout_data, *pasteout_data_utf8; |
| 53 | int pasteout_data_len, pasteout_data_utf8_len; |
| 54 | int font_width, font_height; |
| 55 | int ignore_sbar; |
| 56 | int mouseptr_visible; |
| 57 | guint term_paste_idle_id; |
| 58 | GdkAtom compound_text_atom, utf8_string_atom; |
| 59 | int alt_keycode; |
| 60 | int alt_digits; |
| 61 | char wintitle[sizeof(((Config *)0)->wintitle)]; |
| 62 | char icontitle[sizeof(((Config *)0)->wintitle)]; |
| 63 | int master_fd, master_func_id, exited; |
| 64 | void *ldisc; |
| 65 | Backend *back; |
| 66 | void *backhandle; |
| 67 | Terminal *term; |
| 68 | void *logctx; |
| 69 | }; |
| 70 | |
| 71 | struct draw_ctx { |
| 72 | GdkGC *gc; |
| 73 | struct gui_data *inst; |
| 74 | }; |
| 75 | |
| 76 | static int send_raw_mouse; |
| 77 | |
| 78 | static char *app_name = "pterm"; |
| 79 | |
| 80 | char *x_get_default(char *key) |
| 81 | { |
| 82 | return XGetDefault(GDK_DISPLAY(), app_name, key); |
| 83 | } |
| 84 | |
| 85 | void ldisc_update(void *frontend, int echo, int edit) |
| 86 | { |
| 87 | /* |
| 88 | * This is a stub in pterm. If I ever produce a Unix |
| 89 | * command-line ssh/telnet/rlogin client (i.e. a port of plink) |
| 90 | * then it will require some termios manoeuvring analogous to |
| 91 | * that in the Windows plink.c, but here it's meaningless. |
| 92 | */ |
| 93 | } |
| 94 | |
| 95 | int askappend(void *frontend, char *filename) |
| 96 | { |
| 97 | /* |
| 98 | * Logging in an xterm-alike is liable to be something you only |
| 99 | * do at serious diagnostic need. Hence, I'm going to take the |
| 100 | * easy option for now and assume we always want to overwrite |
| 101 | * log files. I can always make it properly configurable later. |
| 102 | */ |
| 103 | return 2; |
| 104 | } |
| 105 | |
| 106 | void logevent(void *frontend, char *string) |
| 107 | { |
| 108 | /* |
| 109 | * This is not a very helpful function: events are logged |
| 110 | * pretty much exclusively by the back end, and our pty back |
| 111 | * end is self-contained. So we need do nothing. |
| 112 | */ |
| 113 | } |
| 114 | |
| 115 | int font_dimension(void *frontend, int which)/* 0 for width, 1 for height */ |
| 116 | { |
| 117 | struct gui_data *inst = (struct gui_data *)frontend; |
| 118 | |
| 119 | if (which) |
| 120 | return inst->font_height; |
| 121 | else |
| 122 | return inst->font_width; |
| 123 | } |
| 124 | |
| 125 | /* |
| 126 | * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT) |
| 127 | * into a cooked one (SELECT, EXTEND, PASTE). |
| 128 | * |
| 129 | * In Unix, this is not configurable; the X button arrangement is |
| 130 | * rock-solid across all applications, everyone has a three-button |
| 131 | * mouse or a means of faking it, and there is no need to switch |
| 132 | * buttons around at all. |
| 133 | */ |
| 134 | Mouse_Button translate_button(void *frontend, Mouse_Button button) |
| 135 | { |
| 136 | /* struct gui_data *inst = (struct gui_data *)frontend; */ |
| 137 | |
| 138 | if (button == MBT_LEFT) |
| 139 | return MBT_SELECT; |
| 140 | if (button == MBT_MIDDLE) |
| 141 | return MBT_PASTE; |
| 142 | if (button == MBT_RIGHT) |
| 143 | return MBT_EXTEND; |
| 144 | return 0; /* shouldn't happen */ |
| 145 | } |
| 146 | |
| 147 | /* |
| 148 | * Minimise or restore the window in response to a server-side |
| 149 | * request. |
| 150 | */ |
| 151 | void set_iconic(void *frontend, int iconic) |
| 152 | { |
| 153 | /* |
| 154 | * GTK 1.2 doesn't know how to do this. |
| 155 | */ |
| 156 | #if GTK_CHECK_VERSION(2,0,0) |
| 157 | struct gui_data *inst = (struct gui_data *)frontend; |
| 158 | if (iconic) |
| 159 | gtk_window_iconify(GTK_WINDOW(inst->window)); |
| 160 | else |
| 161 | gtk_window_deiconify(GTK_WINDOW(inst->window)); |
| 162 | #endif |
| 163 | } |
| 164 | |
| 165 | /* |
| 166 | * Move the window in response to a server-side request. |
| 167 | */ |
| 168 | void move_window(void *frontend, int x, int y) |
| 169 | { |
| 170 | struct gui_data *inst = (struct gui_data *)frontend; |
| 171 | /* |
| 172 | * I assume that when the GTK version of this call is available |
| 173 | * we should use it. Not sure how it differs from the GDK one, |
| 174 | * though. |
| 175 | */ |
| 176 | #if GTK_CHECK_VERSION(2,0,0) |
| 177 | gtk_window_move(GTK_WINDOW(inst->window), x, y); |
| 178 | #else |
| 179 | gdk_window_move(inst->window->window, x, y); |
| 180 | #endif |
| 181 | } |
| 182 | |
| 183 | /* |
| 184 | * Move the window to the top or bottom of the z-order in response |
| 185 | * to a server-side request. |
| 186 | */ |
| 187 | void set_zorder(void *frontend, int top) |
| 188 | { |
| 189 | struct gui_data *inst = (struct gui_data *)frontend; |
| 190 | if (top) |
| 191 | gdk_window_raise(inst->window->window); |
| 192 | else |
| 193 | gdk_window_lower(inst->window->window); |
| 194 | } |
| 195 | |
| 196 | /* |
| 197 | * Refresh the window in response to a server-side request. |
| 198 | */ |
| 199 | void refresh_window(void *frontend) |
| 200 | { |
| 201 | struct gui_data *inst = (struct gui_data *)frontend; |
| 202 | term_invalidate(inst->term); |
| 203 | } |
| 204 | |
| 205 | /* |
| 206 | * Maximise or restore the window in response to a server-side |
| 207 | * request. |
| 208 | */ |
| 209 | void set_zoomed(void *frontend, int zoomed) |
| 210 | { |
| 211 | /* |
| 212 | * GTK 1.2 doesn't know how to do this. |
| 213 | */ |
| 214 | #if GTK_CHECK_VERSION(2,0,0) |
| 215 | struct gui_data *inst = (struct gui_data *)frontend; |
| 216 | if (iconic) |
| 217 | gtk_window_maximize(GTK_WINDOW(inst->window)); |
| 218 | else |
| 219 | gtk_window_unmaximize(GTK_WINDOW(inst->window)); |
| 220 | #endif |
| 221 | } |
| 222 | |
| 223 | /* |
| 224 | * Report whether the window is iconic, for terminal reports. |
| 225 | */ |
| 226 | int is_iconic(void *frontend) |
| 227 | { |
| 228 | struct gui_data *inst = (struct gui_data *)frontend; |
| 229 | return !gdk_window_is_viewable(inst->window->window); |
| 230 | } |
| 231 | |
| 232 | /* |
| 233 | * Report the window's position, for terminal reports. |
| 234 | */ |
| 235 | void get_window_pos(void *frontend, int *x, int *y) |
| 236 | { |
| 237 | struct gui_data *inst = (struct gui_data *)frontend; |
| 238 | /* |
| 239 | * I assume that when the GTK version of this call is available |
| 240 | * we should use it. Not sure how it differs from the GDK one, |
| 241 | * though. |
| 242 | */ |
| 243 | #if GTK_CHECK_VERSION(2,0,0) |
| 244 | gtk_window_get_position(GTK_WINDOW(inst->window), x, y); |
| 245 | #else |
| 246 | gdk_window_get_position(inst->window->window, x, y); |
| 247 | #endif |
| 248 | } |
| 249 | |
| 250 | /* |
| 251 | * Report the window's pixel size, for terminal reports. |
| 252 | */ |
| 253 | void get_window_pixels(void *frontend, int *x, int *y) |
| 254 | { |
| 255 | struct gui_data *inst = (struct gui_data *)frontend; |
| 256 | /* |
| 257 | * I assume that when the GTK version of this call is available |
| 258 | * we should use it. Not sure how it differs from the GDK one, |
| 259 | * though. |
| 260 | */ |
| 261 | #if GTK_CHECK_VERSION(2,0,0) |
| 262 | gtk_window_get_size(GTK_WINDOW(inst->window), x, y); |
| 263 | #else |
| 264 | gdk_window_get_size(inst->window->window, x, y); |
| 265 | #endif |
| 266 | } |
| 267 | |
| 268 | /* |
| 269 | * Return the window or icon title. |
| 270 | */ |
| 271 | char *get_window_title(void *frontend, int icon) |
| 272 | { |
| 273 | struct gui_data *inst = (struct gui_data *)frontend; |
| 274 | return icon ? inst->wintitle : inst->icontitle; |
| 275 | } |
| 276 | |
| 277 | gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data) |
| 278 | { |
| 279 | /* |
| 280 | * We could implement warn-on-close here if we really wanted |
| 281 | * to. |
| 282 | */ |
| 283 | return FALSE; |
| 284 | } |
| 285 | |
| 286 | static void show_mouseptr(struct gui_data *inst, int show) |
| 287 | { |
| 288 | if (!cfg.hide_mouseptr) |
| 289 | show = 1; |
| 290 | if (show) |
| 291 | gdk_window_set_cursor(inst->area->window, inst->currcursor); |
| 292 | else |
| 293 | gdk_window_set_cursor(inst->area->window, inst->blankcursor); |
| 294 | inst->mouseptr_visible = show; |
| 295 | } |
| 296 | |
| 297 | gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data) |
| 298 | { |
| 299 | struct gui_data *inst = (struct gui_data *)data; |
| 300 | int w, h, need_size = 0; |
| 301 | |
| 302 | w = (event->width - 2*cfg.window_border) / inst->font_width; |
| 303 | h = (event->height - 2*cfg.window_border) / inst->font_height; |
| 304 | |
| 305 | if (w != cfg.width || h != cfg.height) { |
| 306 | if (inst->pixmap) { |
| 307 | gdk_pixmap_unref(inst->pixmap); |
| 308 | inst->pixmap = NULL; |
| 309 | } |
| 310 | cfg.width = w; |
| 311 | cfg.height = h; |
| 312 | need_size = 1; |
| 313 | } |
| 314 | if (!inst->pixmap) { |
| 315 | GdkGC *gc; |
| 316 | |
| 317 | inst->pixmap = gdk_pixmap_new(widget->window, |
| 318 | (cfg.width * inst->font_width + |
| 319 | 2*cfg.window_border), |
| 320 | (cfg.height * inst->font_height + |
| 321 | 2*cfg.window_border), -1); |
| 322 | |
| 323 | gc = gdk_gc_new(inst->area->window); |
| 324 | gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */ |
| 325 | gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0, |
| 326 | cfg.width * inst->font_width + 2*cfg.window_border, |
| 327 | cfg.height * inst->font_height + 2*cfg.window_border); |
| 328 | gdk_gc_unref(gc); |
| 329 | } |
| 330 | |
| 331 | if (need_size) { |
| 332 | term_size(inst->term, h, w, cfg.savelines); |
| 333 | } |
| 334 | |
| 335 | return TRUE; |
| 336 | } |
| 337 | |
| 338 | gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data) |
| 339 | { |
| 340 | struct gui_data *inst = (struct gui_data *)data; |
| 341 | |
| 342 | /* |
| 343 | * Pass the exposed rectangle to terminal.c, which will call us |
| 344 | * back to do the actual painting. |
| 345 | */ |
| 346 | if (inst->pixmap) { |
| 347 | gdk_draw_pixmap(widget->window, |
| 348 | widget->style->fg_gc[GTK_WIDGET_STATE(widget)], |
| 349 | inst->pixmap, |
| 350 | event->area.x, event->area.y, |
| 351 | event->area.x, event->area.y, |
| 352 | event->area.width, event->area.height); |
| 353 | } |
| 354 | return TRUE; |
| 355 | } |
| 356 | |
| 357 | #define KEY_PRESSED(k) \ |
| 358 | (inst->keystate[(k) / 32] & (1 << ((k) % 32))) |
| 359 | |
| 360 | gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 361 | { |
| 362 | struct gui_data *inst = (struct gui_data *)data; |
| 363 | char output[32]; |
| 364 | int start, end; |
| 365 | |
| 366 | /* By default, nothing is generated. */ |
| 367 | end = start = 0; |
| 368 | |
| 369 | /* |
| 370 | * If Alt is being released after typing an Alt+numberpad |
| 371 | * sequence, we should generate the code that was typed. |
| 372 | * |
| 373 | * Note that we only do this if more than one key was actually |
| 374 | * pressed - I don't think Alt+NumPad4 should be ^D or that |
| 375 | * Alt+NumPad3 should be ^C, for example. There's no serious |
| 376 | * inconvenience in having to type a zero before a single-digit |
| 377 | * character code. |
| 378 | */ |
| 379 | if (event->type == GDK_KEY_RELEASE && |
| 380 | (event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L || |
| 381 | event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R) && |
| 382 | inst->alt_keycode >= 0 && inst->alt_digits > 1) { |
| 383 | #ifdef KEY_DEBUGGING |
| 384 | printf("Alt key up, keycode = %d\n", inst->alt_keycode); |
| 385 | #endif |
| 386 | output[0] = inst->alt_keycode; |
| 387 | end = 1; |
| 388 | goto done; |
| 389 | } |
| 390 | |
| 391 | if (event->type == GDK_KEY_PRESS) { |
| 392 | #ifdef KEY_DEBUGGING |
| 393 | { |
| 394 | int i; |
| 395 | printf("keypress: keyval = %04x, state = %08x; string =", |
| 396 | event->keyval, event->state); |
| 397 | for (i = 0; event->string[i]; i++) |
| 398 | printf(" %02x", (unsigned char) event->string[i]); |
| 399 | printf("\n"); |
| 400 | } |
| 401 | #endif |
| 402 | |
| 403 | /* |
| 404 | * NYI: Compose key (!!! requires Unicode faff before even trying) |
| 405 | */ |
| 406 | |
| 407 | /* |
| 408 | * If Alt has just been pressed, we start potentially |
| 409 | * accumulating an Alt+numberpad code. We do this by |
| 410 | * setting alt_keycode to -1 (nothing yet but plausible). |
| 411 | */ |
| 412 | if ((event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L || |
| 413 | event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R)) { |
| 414 | inst->alt_keycode = -1; |
| 415 | inst->alt_digits = 0; |
| 416 | goto done; /* this generates nothing else */ |
| 417 | } |
| 418 | |
| 419 | /* |
| 420 | * If we're seeing a numberpad key press with Mod1 down, |
| 421 | * consider adding it to alt_keycode if that's sensible. |
| 422 | * Anything _else_ with Mod1 down cancels any possibility |
| 423 | * of an ALT keycode: we set alt_keycode to -2. |
| 424 | */ |
| 425 | if ((event->state & GDK_MOD1_MASK) && inst->alt_keycode != -2) { |
| 426 | int digit = -1; |
| 427 | switch (event->keyval) { |
| 428 | case GDK_KP_0: case GDK_KP_Insert: digit = 0; break; |
| 429 | case GDK_KP_1: case GDK_KP_End: digit = 1; break; |
| 430 | case GDK_KP_2: case GDK_KP_Down: digit = 2; break; |
| 431 | case GDK_KP_3: case GDK_KP_Page_Down: digit = 3; break; |
| 432 | case GDK_KP_4: case GDK_KP_Left: digit = 4; break; |
| 433 | case GDK_KP_5: case GDK_KP_Begin: digit = 5; break; |
| 434 | case GDK_KP_6: case GDK_KP_Right: digit = 6; break; |
| 435 | case GDK_KP_7: case GDK_KP_Home: digit = 7; break; |
| 436 | case GDK_KP_8: case GDK_KP_Up: digit = 8; break; |
| 437 | case GDK_KP_9: case GDK_KP_Page_Up: digit = 9; break; |
| 438 | } |
| 439 | if (digit < 0) |
| 440 | inst->alt_keycode = -2; /* it's invalid */ |
| 441 | else { |
| 442 | #ifdef KEY_DEBUGGING |
| 443 | printf("Adding digit %d to keycode %d", digit, |
| 444 | inst->alt_keycode); |
| 445 | #endif |
| 446 | if (inst->alt_keycode == -1) |
| 447 | inst->alt_keycode = digit; /* one-digit code */ |
| 448 | else |
| 449 | inst->alt_keycode = inst->alt_keycode * 10 + digit; |
| 450 | inst->alt_digits++; |
| 451 | #ifdef KEY_DEBUGGING |
| 452 | printf(" gives new code %d\n", inst->alt_keycode); |
| 453 | #endif |
| 454 | /* Having used this digit, we now do nothing more with it. */ |
| 455 | goto done; |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | /* |
| 460 | * Shift-PgUp and Shift-PgDn don't even generate keystrokes |
| 461 | * at all. |
| 462 | */ |
| 463 | if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) { |
| 464 | term_scroll(inst->term, 0, -cfg.height/2); |
| 465 | return TRUE; |
| 466 | } |
| 467 | if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) { |
| 468 | term_scroll(inst->term, 0, +cfg.height/2); |
| 469 | return TRUE; |
| 470 | } |
| 471 | |
| 472 | /* |
| 473 | * Neither does Shift-Ins. |
| 474 | */ |
| 475 | if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) { |
| 476 | request_paste(inst); |
| 477 | return TRUE; |
| 478 | } |
| 479 | |
| 480 | /* ALT+things gives leading Escape. */ |
| 481 | output[0] = '\033'; |
| 482 | strncpy(output+1, event->string, 31); |
| 483 | output[31] = '\0'; |
| 484 | end = strlen(output); |
| 485 | if (event->state & GDK_MOD1_MASK) { |
| 486 | start = 0; |
| 487 | if (end == 1) end = 0; |
| 488 | } else |
| 489 | start = 1; |
| 490 | |
| 491 | /* Control-` is the same as Control-\ (unless gtk has a better idea) */ |
| 492 | if (!event->string[0] && event->keyval == '`' && |
| 493 | (event->state & GDK_CONTROL_MASK)) { |
| 494 | output[1] = '\x1C'; |
| 495 | end = 2; |
| 496 | } |
| 497 | |
| 498 | /* Control-Break is the same as Control-C */ |
| 499 | if (event->keyval == GDK_Break && |
| 500 | (event->state & GDK_CONTROL_MASK)) { |
| 501 | output[1] = '\003'; |
| 502 | end = 2; |
| 503 | } |
| 504 | |
| 505 | /* Control-2, Control-Space and Control-@ are NUL */ |
| 506 | if (!event->string[0] && |
| 507 | (event->keyval == ' ' || event->keyval == '2' || |
| 508 | event->keyval == '@') && |
| 509 | (event->state & (GDK_SHIFT_MASK | |
| 510 | GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) { |
| 511 | output[1] = '\0'; |
| 512 | end = 2; |
| 513 | } |
| 514 | |
| 515 | /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */ |
| 516 | if (!event->string[0] && event->keyval == ' ' && |
| 517 | (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) == |
| 518 | (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) { |
| 519 | output[1] = '\240'; |
| 520 | end = 2; |
| 521 | } |
| 522 | |
| 523 | /* We don't let GTK tell us what Backspace is! We know better. */ |
| 524 | if (event->keyval == GDK_BackSpace && |
| 525 | !(event->state & GDK_SHIFT_MASK)) { |
| 526 | output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08'; |
| 527 | end = 2; |
| 528 | } |
| 529 | /* For Shift Backspace, do opposite of what is configured. */ |
| 530 | if (event->keyval == GDK_BackSpace && |
| 531 | (event->state & GDK_SHIFT_MASK)) { |
| 532 | output[1] = cfg.bksp_is_delete ? '\x08' : '\x7F'; |
| 533 | end = 2; |
| 534 | } |
| 535 | |
| 536 | /* Shift-Tab is ESC [ Z */ |
| 537 | if (event->keyval == GDK_ISO_Left_Tab || |
| 538 | (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) { |
| 539 | end = 1 + sprintf(output+1, "\033[Z"); |
| 540 | } |
| 541 | |
| 542 | /* |
| 543 | * NetHack keypad mode. |
| 544 | */ |
| 545 | if (cfg.nethack_keypad) { |
| 546 | char *keys = NULL; |
| 547 | switch (event->keyval) { |
| 548 | case GDK_KP_1: case GDK_KP_End: keys = "bB"; break; |
| 549 | case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break; |
| 550 | case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break; |
| 551 | case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break; |
| 552 | case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break; |
| 553 | case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break; |
| 554 | case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break; |
| 555 | case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break; |
| 556 | case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break; |
| 557 | } |
| 558 | if (keys) { |
| 559 | end = 2; |
| 560 | if (event->state & GDK_SHIFT_MASK) |
| 561 | output[1] = keys[1]; |
| 562 | else |
| 563 | output[1] = keys[0]; |
| 564 | goto done; |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | /* |
| 569 | * Application keypad mode. |
| 570 | */ |
| 571 | if (inst->term->app_keypad_keys && !cfg.no_applic_k) { |
| 572 | int xkey = 0; |
| 573 | switch (event->keyval) { |
| 574 | case GDK_Num_Lock: xkey = 'P'; break; |
| 575 | case GDK_KP_Divide: xkey = 'Q'; break; |
| 576 | case GDK_KP_Multiply: xkey = 'R'; break; |
| 577 | case GDK_KP_Subtract: xkey = 'S'; break; |
| 578 | /* |
| 579 | * Keypad + is tricky. It covers a space that would |
| 580 | * be taken up on the VT100 by _two_ keys; so we |
| 581 | * let Shift select between the two. Worse still, |
| 582 | * in xterm function key mode we change which two... |
| 583 | */ |
| 584 | case GDK_KP_Add: |
| 585 | if (cfg.funky_type == 2) { |
| 586 | if (event->state & GDK_SHIFT_MASK) |
| 587 | xkey = 'l'; |
| 588 | else |
| 589 | xkey = 'k'; |
| 590 | } else if (event->state & GDK_SHIFT_MASK) |
| 591 | xkey = 'm'; |
| 592 | else |
| 593 | xkey = 'l'; |
| 594 | break; |
| 595 | case GDK_KP_Enter: xkey = 'M'; break; |
| 596 | case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break; |
| 597 | case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break; |
| 598 | case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break; |
| 599 | case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break; |
| 600 | case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break; |
| 601 | case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break; |
| 602 | case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break; |
| 603 | case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break; |
| 604 | case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break; |
| 605 | case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break; |
| 606 | case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break; |
| 607 | } |
| 608 | if (xkey) { |
| 609 | if (inst->term->vt52_mode) { |
| 610 | if (xkey >= 'P' && xkey <= 'S') |
| 611 | end = 1 + sprintf(output+1, "\033%c", xkey); |
| 612 | else |
| 613 | end = 1 + sprintf(output+1, "\033?%c", xkey); |
| 614 | } else |
| 615 | end = 1 + sprintf(output+1, "\033O%c", xkey); |
| 616 | goto done; |
| 617 | } |
| 618 | } |
| 619 | |
| 620 | /* |
| 621 | * Next, all the keys that do tilde codes. (ESC '[' nn '~', |
| 622 | * for integer decimal nn.) |
| 623 | * |
| 624 | * We also deal with the weird ones here. Linux VCs replace F1 |
| 625 | * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but |
| 626 | * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w |
| 627 | * respectively. |
| 628 | */ |
| 629 | { |
| 630 | int code = 0; |
| 631 | switch (event->keyval) { |
| 632 | case GDK_F1: |
| 633 | code = (event->state & GDK_SHIFT_MASK ? 23 : 11); |
| 634 | break; |
| 635 | case GDK_F2: |
| 636 | code = (event->state & GDK_SHIFT_MASK ? 24 : 12); |
| 637 | break; |
| 638 | case GDK_F3: |
| 639 | code = (event->state & GDK_SHIFT_MASK ? 25 : 13); |
| 640 | break; |
| 641 | case GDK_F4: |
| 642 | code = (event->state & GDK_SHIFT_MASK ? 26 : 14); |
| 643 | break; |
| 644 | case GDK_F5: |
| 645 | code = (event->state & GDK_SHIFT_MASK ? 28 : 15); |
| 646 | break; |
| 647 | case GDK_F6: |
| 648 | code = (event->state & GDK_SHIFT_MASK ? 29 : 17); |
| 649 | break; |
| 650 | case GDK_F7: |
| 651 | code = (event->state & GDK_SHIFT_MASK ? 31 : 18); |
| 652 | break; |
| 653 | case GDK_F8: |
| 654 | code = (event->state & GDK_SHIFT_MASK ? 32 : 19); |
| 655 | break; |
| 656 | case GDK_F9: |
| 657 | code = (event->state & GDK_SHIFT_MASK ? 33 : 20); |
| 658 | break; |
| 659 | case GDK_F10: |
| 660 | code = (event->state & GDK_SHIFT_MASK ? 34 : 21); |
| 661 | break; |
| 662 | case GDK_F11: |
| 663 | code = 23; |
| 664 | break; |
| 665 | case GDK_F12: |
| 666 | code = 24; |
| 667 | break; |
| 668 | case GDK_F13: |
| 669 | code = 25; |
| 670 | break; |
| 671 | case GDK_F14: |
| 672 | code = 26; |
| 673 | break; |
| 674 | case GDK_F15: |
| 675 | code = 28; |
| 676 | break; |
| 677 | case GDK_F16: |
| 678 | code = 29; |
| 679 | break; |
| 680 | case GDK_F17: |
| 681 | code = 31; |
| 682 | break; |
| 683 | case GDK_F18: |
| 684 | code = 32; |
| 685 | break; |
| 686 | case GDK_F19: |
| 687 | code = 33; |
| 688 | break; |
| 689 | case GDK_F20: |
| 690 | code = 34; |
| 691 | break; |
| 692 | } |
| 693 | if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) { |
| 694 | case GDK_Home: case GDK_KP_Home: |
| 695 | code = 1; |
| 696 | break; |
| 697 | case GDK_Insert: case GDK_KP_Insert: |
| 698 | code = 2; |
| 699 | break; |
| 700 | case GDK_Delete: case GDK_KP_Delete: |
| 701 | code = 3; |
| 702 | break; |
| 703 | case GDK_End: case GDK_KP_End: |
| 704 | code = 4; |
| 705 | break; |
| 706 | case GDK_Page_Up: case GDK_KP_Page_Up: |
| 707 | code = 5; |
| 708 | break; |
| 709 | case GDK_Page_Down: case GDK_KP_Page_Down: |
| 710 | code = 6; |
| 711 | break; |
| 712 | } |
| 713 | /* Reorder edit keys to physical order */ |
| 714 | if (cfg.funky_type == 3 && code <= 6) |
| 715 | code = "\0\2\1\4\5\3\6"[code]; |
| 716 | |
| 717 | if (inst->term->vt52_mode && code > 0 && code <= 6) { |
| 718 | end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]); |
| 719 | goto done; |
| 720 | } |
| 721 | |
| 722 | if (cfg.funky_type == 5 && /* SCO function keys */ |
| 723 | code >= 11 && code <= 34) { |
| 724 | char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{"; |
| 725 | int index = 0; |
| 726 | switch (event->keyval) { |
| 727 | case GDK_F1: index = 0; break; |
| 728 | case GDK_F2: index = 1; break; |
| 729 | case GDK_F3: index = 2; break; |
| 730 | case GDK_F4: index = 3; break; |
| 731 | case GDK_F5: index = 4; break; |
| 732 | case GDK_F6: index = 5; break; |
| 733 | case GDK_F7: index = 6; break; |
| 734 | case GDK_F8: index = 7; break; |
| 735 | case GDK_F9: index = 8; break; |
| 736 | case GDK_F10: index = 9; break; |
| 737 | case GDK_F11: index = 10; break; |
| 738 | case GDK_F12: index = 11; break; |
| 739 | } |
| 740 | if (event->state & GDK_SHIFT_MASK) index += 12; |
| 741 | if (event->state & GDK_CONTROL_MASK) index += 24; |
| 742 | end = 1 + sprintf(output+1, "\x1B[%c", codes[index]); |
| 743 | goto done; |
| 744 | } |
| 745 | if (cfg.funky_type == 5 && /* SCO small keypad */ |
| 746 | code >= 1 && code <= 6) { |
| 747 | char codes[] = "HL.FIG"; |
| 748 | if (code == 3) { |
| 749 | output[1] = '\x7F'; |
| 750 | end = 2; |
| 751 | } else { |
| 752 | end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]); |
| 753 | } |
| 754 | goto done; |
| 755 | } |
| 756 | if ((inst->term->vt52_mode || cfg.funky_type == 4) && |
| 757 | code >= 11 && code <= 24) { |
| 758 | int offt = 0; |
| 759 | if (code > 15) |
| 760 | offt++; |
| 761 | if (code > 21) |
| 762 | offt++; |
| 763 | if (inst->term->vt52_mode) |
| 764 | end = 1 + sprintf(output+1, |
| 765 | "\x1B%c", code + 'P' - 11 - offt); |
| 766 | else |
| 767 | end = 1 + sprintf(output+1, |
| 768 | "\x1BO%c", code + 'P' - 11 - offt); |
| 769 | goto done; |
| 770 | } |
| 771 | if (cfg.funky_type == 1 && code >= 11 && code <= 15) { |
| 772 | end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11); |
| 773 | goto done; |
| 774 | } |
| 775 | if (cfg.funky_type == 2 && code >= 11 && code <= 14) { |
| 776 | if (inst->term->vt52_mode) |
| 777 | end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11); |
| 778 | else |
| 779 | end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11); |
| 780 | goto done; |
| 781 | } |
| 782 | if (cfg.rxvt_homeend && (code == 1 || code == 4)) { |
| 783 | end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw"); |
| 784 | goto done; |
| 785 | } |
| 786 | if (code) { |
| 787 | end = 1 + sprintf(output+1, "\x1B[%d~", code); |
| 788 | goto done; |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | /* |
| 793 | * Cursor keys. (This includes the numberpad cursor keys, |
| 794 | * if we haven't already done them due to app keypad mode.) |
| 795 | * |
| 796 | * Here we also process un-numlocked un-appkeypadded KP5, |
| 797 | * which sends ESC [ G. |
| 798 | */ |
| 799 | { |
| 800 | int xkey = 0; |
| 801 | switch (event->keyval) { |
| 802 | case GDK_Up: case GDK_KP_Up: xkey = 'A'; break; |
| 803 | case GDK_Down: case GDK_KP_Down: xkey = 'B'; break; |
| 804 | case GDK_Right: case GDK_KP_Right: xkey = 'C'; break; |
| 805 | case GDK_Left: case GDK_KP_Left: xkey = 'D'; break; |
| 806 | case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break; |
| 807 | } |
| 808 | if (xkey) { |
| 809 | /* |
| 810 | * The arrow keys normally do ESC [ A and so on. In |
| 811 | * app cursor keys mode they do ESC O A instead. |
| 812 | * Ctrl toggles the two modes. |
| 813 | */ |
| 814 | if (inst->term->vt52_mode) { |
| 815 | end = 1 + sprintf(output+1, "\033%c", xkey); |
| 816 | } else if (!inst->term->app_cursor_keys ^ |
| 817 | !(event->state & GDK_CONTROL_MASK)) { |
| 818 | end = 1 + sprintf(output+1, "\033O%c", xkey); |
| 819 | } else { |
| 820 | end = 1 + sprintf(output+1, "\033[%c", xkey); |
| 821 | } |
| 822 | goto done; |
| 823 | } |
| 824 | } |
| 825 | goto done; |
| 826 | } |
| 827 | |
| 828 | done: |
| 829 | |
| 830 | if (end-start > 0) { |
| 831 | #ifdef KEY_DEBUGGING |
| 832 | int i; |
| 833 | printf("generating sequence:"); |
| 834 | for (i = start; i < end; i++) |
| 835 | printf(" %02x", (unsigned char) output[i]); |
| 836 | printf("\n"); |
| 837 | #endif |
| 838 | |
| 839 | /* |
| 840 | * The stuff we've just generated is assumed to be |
| 841 | * ISO-8859-1! This sounds insane, but `man XLookupString' |
| 842 | * agrees: strings of this type returned from the X server |
| 843 | * are hardcoded to 8859-1. Strictly speaking we should be |
| 844 | * doing this using some sort of GtkIMContext, which (if |
| 845 | * we're lucky) would give us our data directly in Unicode; |
| 846 | * but that's not supported in GTK 1.2 as far as I can |
| 847 | * tell, and it's poorly documented even in 2.0, so it'll |
| 848 | * have to wait. |
| 849 | */ |
| 850 | lpage_send(inst->ldisc, CS_ISO8859_1, output+start, end-start, 1); |
| 851 | |
| 852 | show_mouseptr(inst, 0); |
| 853 | term_seen_key_event(inst->term); |
| 854 | term_out(inst->term); |
| 855 | } |
| 856 | |
| 857 | return TRUE; |
| 858 | } |
| 859 | |
| 860 | gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data) |
| 861 | { |
| 862 | struct gui_data *inst = (struct gui_data *)data; |
| 863 | int shift, ctrl, alt, x, y, button, act; |
| 864 | |
| 865 | show_mouseptr(inst, 1); |
| 866 | |
| 867 | if (event->button == 4 && event->type == GDK_BUTTON_PRESS) { |
| 868 | term_scroll(inst->term, 0, -5); |
| 869 | return TRUE; |
| 870 | } |
| 871 | if (event->button == 5 && event->type == GDK_BUTTON_PRESS) { |
| 872 | term_scroll(inst->term, 0, +5); |
| 873 | return TRUE; |
| 874 | } |
| 875 | |
| 876 | shift = event->state & GDK_SHIFT_MASK; |
| 877 | ctrl = event->state & GDK_CONTROL_MASK; |
| 878 | alt = event->state & GDK_MOD1_MASK; |
| 879 | if (event->button == 1) |
| 880 | button = MBT_LEFT; |
| 881 | else if (event->button == 2) |
| 882 | button = MBT_MIDDLE; |
| 883 | else if (event->button == 3) |
| 884 | button = MBT_RIGHT; |
| 885 | else |
| 886 | return FALSE; /* don't even know what button! */ |
| 887 | |
| 888 | switch (event->type) { |
| 889 | case GDK_BUTTON_PRESS: act = MA_CLICK; break; |
| 890 | case GDK_BUTTON_RELEASE: act = MA_RELEASE; break; |
| 891 | case GDK_2BUTTON_PRESS: act = MA_2CLK; break; |
| 892 | case GDK_3BUTTON_PRESS: act = MA_3CLK; break; |
| 893 | default: return FALSE; /* don't know this event type */ |
| 894 | } |
| 895 | |
| 896 | if (send_raw_mouse && !(cfg.mouse_override && shift) && |
| 897 | act != MA_CLICK && act != MA_RELEASE) |
| 898 | return TRUE; /* we ignore these in raw mouse mode */ |
| 899 | |
| 900 | x = (event->x - cfg.window_border) / inst->font_width; |
| 901 | y = (event->y - cfg.window_border) / inst->font_height; |
| 902 | |
| 903 | term_mouse(inst->term, button, act, x, y, shift, ctrl, alt); |
| 904 | |
| 905 | return TRUE; |
| 906 | } |
| 907 | |
| 908 | gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data) |
| 909 | { |
| 910 | struct gui_data *inst = (struct gui_data *)data; |
| 911 | int shift, ctrl, alt, x, y, button; |
| 912 | |
| 913 | show_mouseptr(inst, 1); |
| 914 | |
| 915 | shift = event->state & GDK_SHIFT_MASK; |
| 916 | ctrl = event->state & GDK_CONTROL_MASK; |
| 917 | alt = event->state & GDK_MOD1_MASK; |
| 918 | if (event->state & GDK_BUTTON1_MASK) |
| 919 | button = MBT_LEFT; |
| 920 | else if (event->state & GDK_BUTTON2_MASK) |
| 921 | button = MBT_MIDDLE; |
| 922 | else if (event->state & GDK_BUTTON3_MASK) |
| 923 | button = MBT_RIGHT; |
| 924 | else |
| 925 | return FALSE; /* don't even know what button! */ |
| 926 | |
| 927 | x = (event->x - cfg.window_border) / inst->font_width; |
| 928 | y = (event->y - cfg.window_border) / inst->font_height; |
| 929 | |
| 930 | term_mouse(inst->term, button, MA_DRAG, x, y, shift, ctrl, alt); |
| 931 | |
| 932 | return TRUE; |
| 933 | } |
| 934 | |
| 935 | void done_with_pty(struct gui_data *inst) |
| 936 | { |
| 937 | extern void pty_close(void); |
| 938 | |
| 939 | if (inst->master_fd >= 0) { |
| 940 | pty_close(); |
| 941 | inst->master_fd = -1; |
| 942 | gtk_input_remove(inst->master_func_id); |
| 943 | } |
| 944 | |
| 945 | if (!inst->exited && inst->back->exitcode(inst->backhandle) >= 0) { |
| 946 | int exitcode = inst->back->exitcode(inst->backhandle); |
| 947 | int clean; |
| 948 | |
| 949 | clean = WIFEXITED(exitcode) && (WEXITSTATUS(exitcode) == 0); |
| 950 | |
| 951 | /* |
| 952 | * Terminate now, if the Close On Exit setting is |
| 953 | * appropriate. |
| 954 | */ |
| 955 | if (cfg.close_on_exit == COE_ALWAYS || |
| 956 | (cfg.close_on_exit == COE_NORMAL && clean)) |
| 957 | exit(0); |
| 958 | |
| 959 | /* |
| 960 | * Otherwise, output an indication that the session has |
| 961 | * closed. |
| 962 | */ |
| 963 | { |
| 964 | char message[512]; |
| 965 | if (WIFEXITED(exitcode)) |
| 966 | sprintf(message, "\r\n[pterm: process terminated with exit" |
| 967 | " code %d]\r\n", WEXITSTATUS(exitcode)); |
| 968 | else if (WIFSIGNALED(exitcode)) |
| 969 | #ifdef HAVE_NO_STRSIGNAL |
| 970 | sprintf(message, "\r\n[pterm: process terminated on signal" |
| 971 | " %d]\r\n", WTERMSIG(exitcode)); |
| 972 | #else |
| 973 | sprintf(message, "\r\n[pterm: process terminated on signal" |
| 974 | " %d (%.400s)]\r\n", WTERMSIG(exitcode), |
| 975 | strsignal(WTERMSIG(exitcode))); |
| 976 | #endif |
| 977 | from_backend((void *)inst->term, 0, message, strlen(message)); |
| 978 | } |
| 979 | inst->exited = 1; |
| 980 | } |
| 981 | } |
| 982 | |
| 983 | void frontend_keypress(void *handle) |
| 984 | { |
| 985 | struct gui_data *inst = (struct gui_data *)handle; |
| 986 | |
| 987 | /* |
| 988 | * If our child process has exited but not closed, terminate on |
| 989 | * any keypress. |
| 990 | */ |
| 991 | if (inst->exited) |
| 992 | exit(0); |
| 993 | } |
| 994 | |
| 995 | gint timer_func(gpointer data) |
| 996 | { |
| 997 | struct gui_data *inst = (struct gui_data *)data; |
| 998 | |
| 999 | if (inst->back->exitcode(inst->backhandle) >= 0) { |
| 1000 | /* |
| 1001 | * The primary child process died. We could keep the |
| 1002 | * terminal open for remaining subprocesses to output to, |
| 1003 | * but conventional wisdom seems to feel that that's the |
| 1004 | * Wrong Thing for an xterm-alike, so we bail out now |
| 1005 | * (though we don't necessarily _close_ the window, |
| 1006 | * depending on the state of Close On Exit). This would be |
| 1007 | * easy enough to change or make configurable if necessary. |
| 1008 | */ |
| 1009 | done_with_pty(inst); |
| 1010 | } |
| 1011 | |
| 1012 | term_update(inst->term); |
| 1013 | term_blink(inst->term, 0); |
| 1014 | return TRUE; |
| 1015 | } |
| 1016 | |
| 1017 | void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition) |
| 1018 | { |
| 1019 | struct gui_data *inst = (struct gui_data *)data; |
| 1020 | char buf[4096]; |
| 1021 | int ret; |
| 1022 | |
| 1023 | ret = read(sourcefd, buf, sizeof(buf)); |
| 1024 | |
| 1025 | /* |
| 1026 | * Clean termination condition is that either ret == 0, or ret |
| 1027 | * < 0 and errno == EIO. Not sure why the latter, but it seems |
| 1028 | * to happen. Boo. |
| 1029 | */ |
| 1030 | if (ret == 0 || (ret < 0 && errno == EIO)) { |
| 1031 | done_with_pty(inst); |
| 1032 | } else if (ret < 0) { |
| 1033 | perror("read pty master"); |
| 1034 | exit(1); |
| 1035 | } else if (ret > 0) |
| 1036 | from_backend(inst->term, 0, buf, ret); |
| 1037 | term_blink(inst->term, 1); |
| 1038 | term_out(inst->term); |
| 1039 | } |
| 1040 | |
| 1041 | void destroy(GtkWidget *widget, gpointer data) |
| 1042 | { |
| 1043 | gtk_main_quit(); |
| 1044 | } |
| 1045 | |
| 1046 | gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data) |
| 1047 | { |
| 1048 | struct gui_data *inst = (struct gui_data *)data; |
| 1049 | inst->term->has_focus = event->in; |
| 1050 | term_out(inst->term); |
| 1051 | term_update(inst->term); |
| 1052 | show_mouseptr(inst, 1); |
| 1053 | return FALSE; |
| 1054 | } |
| 1055 | |
| 1056 | /* |
| 1057 | * set or clear the "raw mouse message" mode |
| 1058 | */ |
| 1059 | void set_raw_mouse_mode(void *frontend, int activate) |
| 1060 | { |
| 1061 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1062 | activate = activate && !cfg.no_mouse_rep; |
| 1063 | send_raw_mouse = activate; |
| 1064 | if (send_raw_mouse) |
| 1065 | inst->currcursor = inst->rawcursor; |
| 1066 | else |
| 1067 | inst->currcursor = inst->textcursor; |
| 1068 | show_mouseptr(inst, inst->mouseptr_visible); |
| 1069 | } |
| 1070 | |
| 1071 | void request_resize(void *frontend, int w, int h) |
| 1072 | { |
| 1073 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1074 | int large_x, large_y; |
| 1075 | int offset_x, offset_y; |
| 1076 | int area_x, area_y; |
| 1077 | GtkRequisition inner, outer; |
| 1078 | |
| 1079 | /* |
| 1080 | * This is a heinous hack dreamed up by the gnome-terminal |
| 1081 | * people to get around a limitation in gtk. The problem is |
| 1082 | * that in order to set the size correctly we really need to be |
| 1083 | * calling gtk_window_resize - but that needs to know the size |
| 1084 | * of the _whole window_, not the drawing area. So what we do |
| 1085 | * is to set an artificially huge size request on the drawing |
| 1086 | * area, recompute the resulting size request on the window, |
| 1087 | * and look at the difference between the two. That gives us |
| 1088 | * the x and y offsets we need to translate drawing area size |
| 1089 | * into window size for real, and then we call |
| 1090 | * gtk_window_resize. |
| 1091 | */ |
| 1092 | |
| 1093 | /* |
| 1094 | * We start by retrieving the current size of the whole window. |
| 1095 | * Adding a bit to _that_ will give us a value we can use as a |
| 1096 | * bogus size request which guarantees to be bigger than the |
| 1097 | * current size of the drawing area. |
| 1098 | */ |
| 1099 | get_window_pixels(inst, &large_x, &large_y); |
| 1100 | large_x += 32; |
| 1101 | large_y += 32; |
| 1102 | |
| 1103 | #if GTK_CHECK_VERSION(2,0,0) |
| 1104 | gtk_widget_set_size_request(inst->area, large_x, large_y); |
| 1105 | #else |
| 1106 | gtk_widget_set_usize(inst->area, large_x, large_y); |
| 1107 | #endif |
| 1108 | gtk_widget_size_request(inst->area, &inner); |
| 1109 | gtk_widget_size_request(inst->window, &outer); |
| 1110 | |
| 1111 | offset_x = outer.width - inner.width; |
| 1112 | offset_y = outer.height - inner.height; |
| 1113 | |
| 1114 | area_x = inst->font_width * w + 2*cfg.window_border; |
| 1115 | area_y = inst->font_height * h + 2*cfg.window_border; |
| 1116 | |
| 1117 | /* |
| 1118 | * Now we must set the size request on the drawing area back to |
| 1119 | * something sensible before we commit the real resize. Best |
| 1120 | * way to do this, I think, is to set it to what the size is |
| 1121 | * really going to end up being. |
| 1122 | */ |
| 1123 | #if GTK_CHECK_VERSION(2,0,0) |
| 1124 | gtk_widget_set_size_request(inst->area, area_x, area_y); |
| 1125 | #else |
| 1126 | gtk_widget_set_usize(inst->area, area_x, area_y); |
| 1127 | #endif |
| 1128 | |
| 1129 | #if GTK_CHECK_VERSION(2,0,0) |
| 1130 | gtk_window_resize(GTK_WINDOW(inst->window), |
| 1131 | area_x + offset_x, area_y + offset_y); |
| 1132 | #else |
| 1133 | gdk_window_resize(inst->window->window, |
| 1134 | area_x + offset_x, area_y + offset_y); |
| 1135 | #endif |
| 1136 | } |
| 1137 | |
| 1138 | static void real_palette_set(struct gui_data *inst, int n, int r, int g, int b) |
| 1139 | { |
| 1140 | gboolean success[1]; |
| 1141 | |
| 1142 | inst->cols[n].red = r * 0x0101; |
| 1143 | inst->cols[n].green = g * 0x0101; |
| 1144 | inst->cols[n].blue = b * 0x0101; |
| 1145 | |
| 1146 | gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1, |
| 1147 | FALSE, FALSE, success); |
| 1148 | if (!success[0]) |
| 1149 | g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n", |
| 1150 | n, r, g, b); |
| 1151 | } |
| 1152 | |
| 1153 | void set_window_background(struct gui_data *inst) |
| 1154 | { |
| 1155 | if (inst->area && inst->area->window) |
| 1156 | gdk_window_set_background(inst->area->window, &inst->cols[18]); |
| 1157 | if (inst->window && inst->window->window) |
| 1158 | gdk_window_set_background(inst->window->window, &inst->cols[18]); |
| 1159 | } |
| 1160 | |
| 1161 | void palette_set(void *frontend, int n, int r, int g, int b) |
| 1162 | { |
| 1163 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1164 | static const int first[21] = { |
| 1165 | 0, 2, 4, 6, 8, 10, 12, 14, |
| 1166 | 1, 3, 5, 7, 9, 11, 13, 15, |
| 1167 | 16, 17, 18, 20, 22 |
| 1168 | }; |
| 1169 | real_palette_set(inst, first[n], r, g, b); |
| 1170 | if (first[n] >= 18) |
| 1171 | real_palette_set(inst, first[n] + 1, r, g, b); |
| 1172 | if (first[n] == 18) |
| 1173 | set_window_background(inst); |
| 1174 | } |
| 1175 | |
| 1176 | void palette_reset(void *frontend) |
| 1177 | { |
| 1178 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1179 | /* This maps colour indices in cfg to those used in inst->cols. */ |
| 1180 | static const int ww[] = { |
| 1181 | 6, 7, 8, 9, 10, 11, 12, 13, |
| 1182 | 14, 15, 16, 17, 18, 19, 20, 21, |
| 1183 | 0, 1, 2, 3, 4, 5 |
| 1184 | }; |
| 1185 | gboolean success[NCOLOURS]; |
| 1186 | int i; |
| 1187 | |
| 1188 | assert(lenof(ww) == NCOLOURS); |
| 1189 | |
| 1190 | if (!inst->colmap) { |
| 1191 | inst->colmap = gdk_colormap_get_system(); |
| 1192 | } else { |
| 1193 | gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS); |
| 1194 | } |
| 1195 | |
| 1196 | for (i = 0; i < NCOLOURS; i++) { |
| 1197 | inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101; |
| 1198 | inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101; |
| 1199 | inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101; |
| 1200 | } |
| 1201 | |
| 1202 | gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS, |
| 1203 | FALSE, FALSE, success); |
| 1204 | for (i = 0; i < NCOLOURS; i++) { |
| 1205 | if (!success[i]) |
| 1206 | g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n", |
| 1207 | i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]); |
| 1208 | } |
| 1209 | |
| 1210 | set_window_background(inst); |
| 1211 | } |
| 1212 | |
| 1213 | void write_clip(void *frontend, wchar_t * data, int len, int must_deselect) |
| 1214 | { |
| 1215 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1216 | if (inst->pasteout_data) |
| 1217 | sfree(inst->pasteout_data); |
| 1218 | if (inst->pasteout_data_utf8) |
| 1219 | sfree(inst->pasteout_data_utf8); |
| 1220 | |
| 1221 | inst->pasteout_data_utf8 = smalloc(len*6); |
| 1222 | inst->pasteout_data_utf8_len = len*6; |
| 1223 | { |
| 1224 | wchar_t *tmp = data; |
| 1225 | int tmplen = len; |
| 1226 | inst->pasteout_data_utf8_len = |
| 1227 | charset_from_unicode(&tmp, &tmplen, inst->pasteout_data_utf8, |
| 1228 | inst->pasteout_data_utf8_len, |
| 1229 | CS_UTF8, NULL, NULL, 0); |
| 1230 | inst->pasteout_data_utf8 = |
| 1231 | srealloc(inst->pasteout_data_utf8, inst->pasteout_data_utf8_len); |
| 1232 | } |
| 1233 | |
| 1234 | inst->pasteout_data = smalloc(len); |
| 1235 | inst->pasteout_data_len = len; |
| 1236 | wc_to_mb(line_codepage, 0, data, len, |
| 1237 | inst->pasteout_data, inst->pasteout_data_len, |
| 1238 | NULL, NULL); |
| 1239 | |
| 1240 | if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY, |
| 1241 | GDK_CURRENT_TIME)) { |
| 1242 | gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, |
| 1243 | GDK_SELECTION_TYPE_STRING, 1); |
| 1244 | gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, |
| 1245 | inst->compound_text_atom, 1); |
| 1246 | gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, |
| 1247 | inst->utf8_string_atom, 1); |
| 1248 | } |
| 1249 | } |
| 1250 | |
| 1251 | void selection_get(GtkWidget *widget, GtkSelectionData *seldata, |
| 1252 | guint info, guint time_stamp, gpointer data) |
| 1253 | { |
| 1254 | struct gui_data *inst = (struct gui_data *)data; |
| 1255 | if (seldata->target == inst->utf8_string_atom) |
| 1256 | gtk_selection_data_set(seldata, seldata->target, 8, |
| 1257 | inst->pasteout_data_utf8, |
| 1258 | inst->pasteout_data_utf8_len); |
| 1259 | else |
| 1260 | gtk_selection_data_set(seldata, seldata->target, 8, |
| 1261 | inst->pasteout_data, inst->pasteout_data_len); |
| 1262 | } |
| 1263 | |
| 1264 | gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata, |
| 1265 | gpointer data) |
| 1266 | { |
| 1267 | struct gui_data *inst = (struct gui_data *)data; |
| 1268 | term_deselect(inst->term); |
| 1269 | if (inst->pasteout_data) |
| 1270 | sfree(inst->pasteout_data); |
| 1271 | if (inst->pasteout_data_utf8) |
| 1272 | sfree(inst->pasteout_data_utf8); |
| 1273 | inst->pasteout_data = NULL; |
| 1274 | inst->pasteout_data_len = 0; |
| 1275 | inst->pasteout_data_utf8 = NULL; |
| 1276 | inst->pasteout_data_utf8_len = 0; |
| 1277 | return TRUE; |
| 1278 | } |
| 1279 | |
| 1280 | void request_paste(void *frontend) |
| 1281 | { |
| 1282 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1283 | /* |
| 1284 | * In Unix, pasting is asynchronous: all we can do at the |
| 1285 | * moment is to call gtk_selection_convert(), and when the data |
| 1286 | * comes back _then_ we can call term_do_paste(). |
| 1287 | */ |
| 1288 | |
| 1289 | /* |
| 1290 | * First we attempt to retrieve the selection as a UTF-8 string |
| 1291 | * (which we will convert to the correct code page before |
| 1292 | * sending to the session, of course). If that fails, |
| 1293 | * selection_received() will be informed and will fall back to |
| 1294 | * an ordinary string. |
| 1295 | */ |
| 1296 | gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY, |
| 1297 | inst->utf8_string_atom, GDK_CURRENT_TIME); |
| 1298 | } |
| 1299 | |
| 1300 | gint idle_paste_func(gpointer data); /* forward ref */ |
| 1301 | |
| 1302 | void selection_received(GtkWidget *widget, GtkSelectionData *seldata, |
| 1303 | guint time, gpointer data) |
| 1304 | { |
| 1305 | struct gui_data *inst = (struct gui_data *)data; |
| 1306 | |
| 1307 | if (seldata->target == inst->utf8_string_atom && seldata->length <= 0) { |
| 1308 | /* |
| 1309 | * Failed to get a UTF-8 selection string. Try an ordinary |
| 1310 | * string. |
| 1311 | */ |
| 1312 | gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY, |
| 1313 | GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME); |
| 1314 | return; |
| 1315 | } |
| 1316 | |
| 1317 | /* |
| 1318 | * Any other failure should just go foom. |
| 1319 | */ |
| 1320 | if (seldata->length <= 0 || |
| 1321 | (seldata->type != GDK_SELECTION_TYPE_STRING && |
| 1322 | seldata->type != inst->utf8_string_atom)) |
| 1323 | return; /* Nothing happens. */ |
| 1324 | |
| 1325 | if (inst->pastein_data) |
| 1326 | sfree(inst->pastein_data); |
| 1327 | |
| 1328 | inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t)); |
| 1329 | inst->pastein_data_len = seldata->length; |
| 1330 | inst->pastein_data_len = |
| 1331 | mb_to_wc((seldata->type == inst->utf8_string_atom ? |
| 1332 | CS_UTF8 : line_codepage), |
| 1333 | 0, seldata->data, seldata->length, |
| 1334 | inst->pastein_data, inst->pastein_data_len); |
| 1335 | |
| 1336 | term_do_paste(inst->term); |
| 1337 | |
| 1338 | if (term_paste_pending(inst->term)) |
| 1339 | inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst); |
| 1340 | } |
| 1341 | |
| 1342 | gint idle_paste_func(gpointer data) |
| 1343 | { |
| 1344 | struct gui_data *inst = (struct gui_data *)data; |
| 1345 | |
| 1346 | if (term_paste_pending(inst->term)) |
| 1347 | term_paste(inst->term); |
| 1348 | else |
| 1349 | gtk_idle_remove(inst->term_paste_idle_id); |
| 1350 | |
| 1351 | return TRUE; |
| 1352 | } |
| 1353 | |
| 1354 | |
| 1355 | void get_clip(void *frontend, wchar_t ** p, int *len) |
| 1356 | { |
| 1357 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1358 | |
| 1359 | if (p) { |
| 1360 | *p = inst->pastein_data; |
| 1361 | *len = inst->pastein_data_len; |
| 1362 | } |
| 1363 | } |
| 1364 | |
| 1365 | void set_title(void *frontend, char *title) |
| 1366 | { |
| 1367 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1368 | strncpy(inst->wintitle, title, lenof(inst->wintitle)); |
| 1369 | inst->wintitle[lenof(inst->wintitle)-1] = '\0'; |
| 1370 | gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle); |
| 1371 | } |
| 1372 | |
| 1373 | void set_icon(void *frontend, char *title) |
| 1374 | { |
| 1375 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1376 | strncpy(inst->icontitle, title, lenof(inst->icontitle)); |
| 1377 | inst->icontitle[lenof(inst->icontitle)-1] = '\0'; |
| 1378 | gdk_window_set_icon_name(inst->window->window, inst->icontitle); |
| 1379 | } |
| 1380 | |
| 1381 | void set_sbar(void *frontend, int total, int start, int page) |
| 1382 | { |
| 1383 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1384 | if (!cfg.scrollbar) |
| 1385 | return; |
| 1386 | inst->sbar_adjust->lower = 0; |
| 1387 | inst->sbar_adjust->upper = total; |
| 1388 | inst->sbar_adjust->value = start; |
| 1389 | inst->sbar_adjust->page_size = page; |
| 1390 | inst->sbar_adjust->step_increment = 1; |
| 1391 | inst->sbar_adjust->page_increment = page/2; |
| 1392 | inst->ignore_sbar = TRUE; |
| 1393 | gtk_adjustment_changed(inst->sbar_adjust); |
| 1394 | inst->ignore_sbar = FALSE; |
| 1395 | } |
| 1396 | |
| 1397 | void scrollbar_moved(GtkAdjustment *adj, gpointer data) |
| 1398 | { |
| 1399 | struct gui_data *inst = (struct gui_data *)data; |
| 1400 | |
| 1401 | if (!cfg.scrollbar) |
| 1402 | return; |
| 1403 | if (!inst->ignore_sbar) |
| 1404 | term_scroll(inst->term, 1, (int)adj->value); |
| 1405 | } |
| 1406 | |
| 1407 | void sys_cursor(void *frontend, int x, int y) |
| 1408 | { |
| 1409 | /* |
| 1410 | * This is meaningless under X. |
| 1411 | */ |
| 1412 | } |
| 1413 | |
| 1414 | /* |
| 1415 | * This is still called when mode==BELL_VISUAL, even though the |
| 1416 | * visual bell is handled entirely within terminal.c, because we |
| 1417 | * may want to perform additional actions on any kind of bell (for |
| 1418 | * example, taskbar flashing in Windows). |
| 1419 | */ |
| 1420 | void beep(void *frontend, int mode) |
| 1421 | { |
| 1422 | if (mode != BELL_VISUAL) |
| 1423 | gdk_beep(); |
| 1424 | } |
| 1425 | |
| 1426 | int char_width(Context ctx, int uc) |
| 1427 | { |
| 1428 | /* |
| 1429 | * Under X, any fixed-width font really _is_ fixed-width. |
| 1430 | * Double-width characters will be dealt with using a separate |
| 1431 | * font. For the moment we can simply return 1. |
| 1432 | */ |
| 1433 | return 1; |
| 1434 | } |
| 1435 | |
| 1436 | Context get_ctx(void *frontend) |
| 1437 | { |
| 1438 | struct gui_data *inst = (struct gui_data *)frontend; |
| 1439 | struct draw_ctx *dctx; |
| 1440 | |
| 1441 | if (!inst->area->window) |
| 1442 | return NULL; |
| 1443 | |
| 1444 | dctx = smalloc(sizeof(*dctx)); |
| 1445 | dctx->inst = inst; |
| 1446 | dctx->gc = gdk_gc_new(inst->area->window); |
| 1447 | return dctx; |
| 1448 | } |
| 1449 | |
| 1450 | void free_ctx(Context ctx) |
| 1451 | { |
| 1452 | struct draw_ctx *dctx = (struct draw_ctx *)ctx; |
| 1453 | /* struct gui_data *inst = dctx->inst; */ |
| 1454 | GdkGC *gc = dctx->gc; |
| 1455 | gdk_gc_unref(gc); |
| 1456 | sfree(dctx); |
| 1457 | } |
| 1458 | |
| 1459 | /* |
| 1460 | * Draw a line of text in the window, at given character |
| 1461 | * coordinates, in given attributes. |
| 1462 | * |
| 1463 | * We are allowed to fiddle with the contents of `text'. |
| 1464 | */ |
| 1465 | void do_text_internal(Context ctx, int x, int y, char *text, int len, |
| 1466 | unsigned long attr, int lattr) |
| 1467 | { |
| 1468 | struct draw_ctx *dctx = (struct draw_ctx *)ctx; |
| 1469 | struct gui_data *inst = dctx->inst; |
| 1470 | GdkGC *gc = dctx->gc; |
| 1471 | |
| 1472 | int nfg, nbg, t, fontid, shadow, rlen; |
| 1473 | |
| 1474 | /* |
| 1475 | * NYI: |
| 1476 | * - Unicode, code pages, and ATTR_WIDE for CJK support. |
| 1477 | */ |
| 1478 | |
| 1479 | nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT); |
| 1480 | nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT); |
| 1481 | if (attr & ATTR_REVERSE) { |
| 1482 | t = nfg; |
| 1483 | nfg = nbg; |
| 1484 | nbg = t; |
| 1485 | } |
| 1486 | if (cfg.bold_colour && (attr & ATTR_BOLD)) |
| 1487 | nfg++; |
| 1488 | if (cfg.bold_colour && (attr & ATTR_BLINK)) |
| 1489 | nbg++; |
| 1490 | if (attr & TATTR_ACTCURS) { |
| 1491 | nfg = NCOLOURS-2; |
| 1492 | nbg = NCOLOURS-1; |
| 1493 | } |
| 1494 | |
| 1495 | fontid = shadow = 0; |
| 1496 | if ((attr & ATTR_BOLD) && !cfg.bold_colour) { |
| 1497 | if (inst->fonts[1]) |
| 1498 | fontid = 1; |
| 1499 | else |
| 1500 | shadow = 1; |
| 1501 | } |
| 1502 | |
| 1503 | if (lattr != LATTR_NORM) { |
| 1504 | x *= 2; |
| 1505 | if (x >= inst->term->cols) |
| 1506 | return; |
| 1507 | if (x + len*2 > inst->term->cols) |
| 1508 | len = (inst->term->cols-x)/2; /* trim to LH half */ |
| 1509 | rlen = len * 2; |
| 1510 | } else |
| 1511 | rlen = len; |
| 1512 | |
| 1513 | { |
| 1514 | GdkRectangle r; |
| 1515 | |
| 1516 | r.x = x*inst->font_width+cfg.window_border; |
| 1517 | r.y = y*inst->font_height+cfg.window_border; |
| 1518 | r.width = rlen*inst->font_width; |
| 1519 | r.height = inst->font_height; |
| 1520 | gdk_gc_set_clip_rectangle(gc, &r); |
| 1521 | } |
| 1522 | |
| 1523 | gdk_gc_set_foreground(gc, &inst->cols[nbg]); |
| 1524 | gdk_draw_rectangle(inst->pixmap, gc, 1, |
| 1525 | x*inst->font_width+cfg.window_border, |
| 1526 | y*inst->font_height+cfg.window_border, |
| 1527 | rlen*inst->font_width, inst->font_height); |
| 1528 | |
| 1529 | gdk_gc_set_foreground(gc, &inst->cols[nfg]); |
| 1530 | { |
| 1531 | GdkWChar *gwcs; |
| 1532 | gchar *gcs; |
| 1533 | wchar_t *wcs; |
| 1534 | int i; |
| 1535 | |
| 1536 | wcs = smalloc(sizeof(wchar_t) * (len+1)); |
| 1537 | for (i = 0; i < len; i++) { |
| 1538 | wcs[i] = (wchar_t) ((attr & CSET_MASK) + (text[i] & CHAR_MASK)); |
| 1539 | } |
| 1540 | |
| 1541 | if (inst->fontinfo[fontid].is_wide) { |
| 1542 | gwcs = smalloc(sizeof(GdkWChar) * (len+1)); |
| 1543 | /* |
| 1544 | * FIXME: when we have a wide-char equivalent of |
| 1545 | * from_unicode, use it instead of this. |
| 1546 | */ |
| 1547 | for (i = 0; i <= len; i++) |
| 1548 | gwcs[i] = wcs[i]; |
| 1549 | gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc, |
| 1550 | x*inst->font_width+cfg.window_border, |
| 1551 | y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent, |
| 1552 | gwcs, len*2); |
| 1553 | sfree(gwcs); |
| 1554 | } else { |
| 1555 | wchar_t *wcstmp = wcs; |
| 1556 | int lentmp = len; |
| 1557 | gcs = smalloc(sizeof(GdkWChar) * (len+1)); |
| 1558 | charset_from_unicode(&wcstmp, &lentmp, gcs, len, |
| 1559 | inst->fontinfo[fontid].charset, |
| 1560 | NULL, ".", 1); |
| 1561 | gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc, |
| 1562 | x*inst->font_width+cfg.window_border, |
| 1563 | y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent, |
| 1564 | gcs, len); |
| 1565 | sfree(gcs); |
| 1566 | } |
| 1567 | sfree(wcs); |
| 1568 | } |
| 1569 | |
| 1570 | if (shadow) { |
| 1571 | gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc, |
| 1572 | x*inst->font_width+cfg.window_border + cfg.shadowboldoffset, |
| 1573 | y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent, |
| 1574 | text, len); |
| 1575 | } |
| 1576 | |
| 1577 | if (attr & ATTR_UNDER) { |
| 1578 | int uheight = inst->fonts[0]->ascent + 1; |
| 1579 | if (uheight >= inst->font_height) |
| 1580 | uheight = inst->font_height - 1; |
| 1581 | gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border, |
| 1582 | y*inst->font_height + uheight + cfg.window_border, |
| 1583 | (x+len)*inst->font_width-1+cfg.window_border, |
| 1584 | y*inst->font_height + uheight + cfg.window_border); |
| 1585 | } |
| 1586 | |
| 1587 | if (lattr != LATTR_NORM) { |
| 1588 | /* |
| 1589 | * I can't find any plausible StretchBlt equivalent in the |
| 1590 | * X server, so I'm going to do this the slow and painful |
| 1591 | * way. This will involve repeated calls to |
| 1592 | * gdk_draw_pixmap() to stretch the text horizontally. It's |
| 1593 | * O(N^2) in time and O(N) in network bandwidth, but you |
| 1594 | * try thinking of a better way. :-( |
| 1595 | */ |
| 1596 | int i; |
| 1597 | for (i = 0; i < len * inst->font_width; i++) { |
| 1598 | gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap, |
| 1599 | x*inst->font_width+cfg.window_border + 2*i, |
| 1600 | y*inst->font_height+cfg.window_border, |
| 1601 | x*inst->font_width+cfg.window_border + 2*i+1, |
| 1602 | y*inst->font_height+cfg.window_border, |
| 1603 | len * inst->font_width - i, inst->font_height); |
| 1604 | } |
| 1605 | len *= 2; |
| 1606 | if (lattr != LATTR_WIDE) { |
| 1607 | int dt, db; |
| 1608 | /* Now stretch vertically, in the same way. */ |
| 1609 | if (lattr == LATTR_BOT) |
| 1610 | dt = 0, db = 1; |
| 1611 | else |
| 1612 | dt = 1, db = 0; |
| 1613 | for (i = 0; i < inst->font_height; i+=2) { |
| 1614 | gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap, |
| 1615 | x*inst->font_width+cfg.window_border, |
| 1616 | y*inst->font_height+cfg.window_border+dt*i+db, |
| 1617 | x*inst->font_width+cfg.window_border, |
| 1618 | y*inst->font_height+cfg.window_border+dt*(i+1), |
| 1619 | len * inst->font_width, inst->font_height-i-1); |
| 1620 | } |
| 1621 | } |
| 1622 | } |
| 1623 | } |
| 1624 | |
| 1625 | void do_text(Context ctx, int x, int y, char *text, int len, |
| 1626 | unsigned long attr, int lattr) |
| 1627 | { |
| 1628 | struct draw_ctx *dctx = (struct draw_ctx *)ctx; |
| 1629 | struct gui_data *inst = dctx->inst; |
| 1630 | GdkGC *gc = dctx->gc; |
| 1631 | |
| 1632 | do_text_internal(ctx, x, y, text, len, attr, lattr); |
| 1633 | |
| 1634 | if (lattr != LATTR_NORM) { |
| 1635 | x *= 2; |
| 1636 | if (x >= inst->term->cols) |
| 1637 | return; |
| 1638 | if (x + len*2 > inst->term->cols) |
| 1639 | len = (inst->term->cols-x)/2; /* trim to LH half */ |
| 1640 | len *= 2; |
| 1641 | } |
| 1642 | |
| 1643 | gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, |
| 1644 | x*inst->font_width+cfg.window_border, |
| 1645 | y*inst->font_height+cfg.window_border, |
| 1646 | x*inst->font_width+cfg.window_border, |
| 1647 | y*inst->font_height+cfg.window_border, |
| 1648 | len*inst->font_width, inst->font_height); |
| 1649 | } |
| 1650 | |
| 1651 | void do_cursor(Context ctx, int x, int y, char *text, int len, |
| 1652 | unsigned long attr, int lattr) |
| 1653 | { |
| 1654 | struct draw_ctx *dctx = (struct draw_ctx *)ctx; |
| 1655 | struct gui_data *inst = dctx->inst; |
| 1656 | GdkGC *gc = dctx->gc; |
| 1657 | |
| 1658 | int passive; |
| 1659 | |
| 1660 | if (attr & TATTR_PASCURS) { |
| 1661 | attr &= ~TATTR_PASCURS; |
| 1662 | passive = 1; |
| 1663 | } else |
| 1664 | passive = 0; |
| 1665 | if ((attr & TATTR_ACTCURS) && cfg.cursor_type != 0) { |
| 1666 | attr &= ~TATTR_ACTCURS; |
| 1667 | } |
| 1668 | do_text_internal(ctx, x, y, text, len, attr, lattr); |
| 1669 | |
| 1670 | if (lattr != LATTR_NORM) { |
| 1671 | x *= 2; |
| 1672 | if (x >= inst->term->cols) |
| 1673 | return; |
| 1674 | if (x + len*2 > inst->term->cols) |
| 1675 | len = (inst->term->cols-x)/2; /* trim to LH half */ |
| 1676 | len *= 2; |
| 1677 | } |
| 1678 | |
| 1679 | if (cfg.cursor_type == 0) { |
| 1680 | /* |
| 1681 | * An active block cursor will already have been done by |
| 1682 | * the above do_text call, so we only need to do anything |
| 1683 | * if it's passive. |
| 1684 | */ |
| 1685 | if (passive) { |
| 1686 | gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]); |
| 1687 | gdk_draw_rectangle(inst->pixmap, gc, 0, |
| 1688 | x*inst->font_width+cfg.window_border, |
| 1689 | y*inst->font_height+cfg.window_border, |
| 1690 | len*inst->font_width-1, inst->font_height-1); |
| 1691 | } |
| 1692 | } else { |
| 1693 | int uheight; |
| 1694 | int startx, starty, dx, dy, length, i; |
| 1695 | |
| 1696 | int char_width; |
| 1697 | |
| 1698 | if ((attr & ATTR_WIDE) || lattr != LATTR_NORM) |
| 1699 | char_width = 2*inst->font_width; |
| 1700 | else |
| 1701 | char_width = inst->font_width; |
| 1702 | |
| 1703 | if (cfg.cursor_type == 1) { |
| 1704 | uheight = inst->fonts[0]->ascent + 1; |
| 1705 | if (uheight >= inst->font_height) |
| 1706 | uheight = inst->font_height - 1; |
| 1707 | |
| 1708 | startx = x * inst->font_width + cfg.window_border; |
| 1709 | starty = y * inst->font_height + cfg.window_border + uheight; |
| 1710 | dx = 1; |
| 1711 | dy = 0; |
| 1712 | length = len * char_width; |
| 1713 | } else { |
| 1714 | int xadjust = 0; |
| 1715 | if (attr & TATTR_RIGHTCURS) |
| 1716 | xadjust = char_width - 1; |
| 1717 | startx = x * inst->font_width + cfg.window_border + xadjust; |
| 1718 | starty = y * inst->font_height + cfg.window_border; |
| 1719 | dx = 0; |
| 1720 | dy = 1; |
| 1721 | length = inst->font_height; |
| 1722 | } |
| 1723 | |
| 1724 | gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]); |
| 1725 | if (passive) { |
| 1726 | for (i = 0; i < length; i++) { |
| 1727 | if (i % 2 == 0) { |
| 1728 | gdk_draw_point(inst->pixmap, gc, startx, starty); |
| 1729 | } |
| 1730 | startx += dx; |
| 1731 | starty += dy; |
| 1732 | } |
| 1733 | } else { |
| 1734 | gdk_draw_line(inst->pixmap, gc, startx, starty, |
| 1735 | startx + (length-1) * dx, starty + (length-1) * dy); |
| 1736 | } |
| 1737 | } |
| 1738 | |
| 1739 | gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, |
| 1740 | x*inst->font_width+cfg.window_border, |
| 1741 | y*inst->font_height+cfg.window_border, |
| 1742 | x*inst->font_width+cfg.window_border, |
| 1743 | y*inst->font_height+cfg.window_border, |
| 1744 | len*inst->font_width, inst->font_height); |
| 1745 | } |
| 1746 | |
| 1747 | GdkCursor *make_mouse_ptr(struct gui_data *inst, int cursor_val) |
| 1748 | { |
| 1749 | /* |
| 1750 | * Truly hideous hack: GTK doesn't allow us to set the mouse |
| 1751 | * cursor foreground and background colours unless we've _also_ |
| 1752 | * created our own cursor from bitmaps. Therefore, I need to |
| 1753 | * load the `cursor' font and draw glyphs from it on to |
| 1754 | * pixmaps, in order to construct my cursors with the fg and bg |
| 1755 | * I want. This is a gross hack, but it's more self-contained |
| 1756 | * than linking in Xlib to find the X window handle to |
| 1757 | * inst->area and calling XRecolorCursor, and it's more |
| 1758 | * futureproof than hard-coding the shapes as bitmap arrays. |
| 1759 | */ |
| 1760 | static GdkFont *cursor_font = NULL; |
| 1761 | GdkPixmap *source, *mask; |
| 1762 | GdkGC *gc; |
| 1763 | GdkColor cfg = { 0, 65535, 65535, 65535 }; |
| 1764 | GdkColor cbg = { 0, 0, 0, 0 }; |
| 1765 | GdkColor dfg = { 1, 65535, 65535, 65535 }; |
| 1766 | GdkColor dbg = { 0, 0, 0, 0 }; |
| 1767 | GdkCursor *ret; |
| 1768 | gchar text[2]; |
| 1769 | gint lb, rb, wid, asc, desc, w, h, x, y; |
| 1770 | |
| 1771 | if (cursor_val == -2) { |
| 1772 | gdk_font_unref(cursor_font); |
| 1773 | return NULL; |
| 1774 | } |
| 1775 | |
| 1776 | if (cursor_val >= 0 && !cursor_font) |
| 1777 | cursor_font = gdk_font_load("cursor"); |
| 1778 | |
| 1779 | /* |
| 1780 | * Get the text extent of the cursor in question. We use the |
| 1781 | * mask character for this, because it's typically slightly |
| 1782 | * bigger than the main character. |
| 1783 | */ |
| 1784 | if (cursor_val >= 0) { |
| 1785 | text[1] = '\0'; |
| 1786 | text[0] = (char)cursor_val + 1; |
| 1787 | gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc); |
| 1788 | w = rb-lb; h = asc+desc; x = -lb; y = asc; |
| 1789 | } else { |
| 1790 | w = h = 1; |
| 1791 | x = y = 0; |
| 1792 | } |
| 1793 | |
| 1794 | source = gdk_pixmap_new(NULL, w, h, 1); |
| 1795 | mask = gdk_pixmap_new(NULL, w, h, 1); |
| 1796 | |
| 1797 | /* |
| 1798 | * Draw the mask character on the mask pixmap. |
| 1799 | */ |
| 1800 | gc = gdk_gc_new(mask); |
| 1801 | gdk_gc_set_foreground(gc, &dbg); |
| 1802 | gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h); |
| 1803 | if (cursor_val >= 0) { |
| 1804 | text[1] = '\0'; |
| 1805 | text[0] = (char)cursor_val + 1; |
| 1806 | gdk_gc_set_foreground(gc, &dfg); |
| 1807 | gdk_draw_text(mask, cursor_font, gc, x, y, text, 1); |
| 1808 | } |
| 1809 | gdk_gc_unref(gc); |
| 1810 | |
| 1811 | /* |
| 1812 | * Draw the main character on the source pixmap. |
| 1813 | */ |
| 1814 | gc = gdk_gc_new(source); |
| 1815 | gdk_gc_set_foreground(gc, &dbg); |
| 1816 | gdk_draw_rectangle(source, gc, 1, 0, 0, w, h); |
| 1817 | if (cursor_val >= 0) { |
| 1818 | text[1] = '\0'; |
| 1819 | text[0] = (char)cursor_val; |
| 1820 | gdk_gc_set_foreground(gc, &dfg); |
| 1821 | gdk_draw_text(source, cursor_font, gc, x, y, text, 1); |
| 1822 | } |
| 1823 | gdk_gc_unref(gc); |
| 1824 | |
| 1825 | /* |
| 1826 | * Create the cursor. |
| 1827 | */ |
| 1828 | ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y); |
| 1829 | |
| 1830 | /* |
| 1831 | * Clean up. |
| 1832 | */ |
| 1833 | gdk_pixmap_unref(source); |
| 1834 | gdk_pixmap_unref(mask); |
| 1835 | |
| 1836 | return ret; |
| 1837 | } |
| 1838 | |
| 1839 | void modalfatalbox(char *p, ...) |
| 1840 | { |
| 1841 | va_list ap; |
| 1842 | fprintf(stderr, "FATAL ERROR: "); |
| 1843 | va_start(ap, p); |
| 1844 | vfprintf(stderr, p, ap); |
| 1845 | va_end(ap); |
| 1846 | fputc('\n', stderr); |
| 1847 | exit(1); |
| 1848 | } |
| 1849 | |
| 1850 | char *get_x_display(void *frontend) |
| 1851 | { |
| 1852 | return gdk_get_display(); |
| 1853 | } |
| 1854 | |
| 1855 | static void help(FILE *fp) { |
| 1856 | if(fprintf(fp, |
| 1857 | "pterm option summary:\n" |
| 1858 | "\n" |
| 1859 | " --display DISPLAY Specify X display to use (note '--')\n" |
| 1860 | " -name PREFIX Prefix when looking up resources (default: pterm)\n" |
| 1861 | " -fn FONT Normal text font\n" |
| 1862 | " -fb FONT Bold text font\n" |
| 1863 | " -geometry WIDTHxHEIGHT Size of terminal in characters\n" |
| 1864 | " -sl LINES Number of lines of scrollback\n" |
| 1865 | " -fg COLOUR, -bg COLOUR Foreground/background colour\n" |
| 1866 | " -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n" |
| 1867 | " -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n" |
| 1868 | " -T TITLE Window title\n" |
| 1869 | " -ut, +ut Do(default) or do not update utmp\n" |
| 1870 | " -ls, +ls Do(default) or do not make shell a login shell\n" |
| 1871 | " -sb, +sb Do(default) or do not display a scrollbar\n" |
| 1872 | " -log PATH Log all output to a file\n" |
| 1873 | " -nethack Map numeric keypad to hjklyubn direction keys\n" |
| 1874 | " -xrm RESOURCE-STRING Set an X resource\n" |
| 1875 | " -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n" |
| 1876 | ) < 0 || fflush(fp) < 0) { |
| 1877 | perror("output error"); |
| 1878 | exit(1); |
| 1879 | } |
| 1880 | } |
| 1881 | |
| 1882 | int do_cmdline(int argc, char **argv, int do_everything) |
| 1883 | { |
| 1884 | int err = 0; |
| 1885 | extern char **pty_argv; /* declared in pty.c */ |
| 1886 | |
| 1887 | /* |
| 1888 | * Macros to make argument handling easier. Note that because |
| 1889 | * they need to call `continue', they cannot be contained in |
| 1890 | * the usual do {...} while (0) wrapper to make them |
| 1891 | * syntactically single statements; hence it is not legal to |
| 1892 | * use one of these macros as an unbraced statement between |
| 1893 | * `if' and `else'. |
| 1894 | */ |
| 1895 | #define EXPECTS_ARG { \ |
| 1896 | if (--argc <= 0) { \ |
| 1897 | err = 1; \ |
| 1898 | fprintf(stderr, "pterm: %s expects an argument\n", p); \ |
| 1899 | continue; \ |
| 1900 | } else \ |
| 1901 | val = *++argv; \ |
| 1902 | } |
| 1903 | #define SECOND_PASS_ONLY { if (!do_everything) continue; } |
| 1904 | |
| 1905 | /* |
| 1906 | * TODO: |
| 1907 | * |
| 1908 | * finish -geometry |
| 1909 | */ |
| 1910 | |
| 1911 | char *val; |
| 1912 | while (--argc > 0) { |
| 1913 | char *p = *++argv; |
| 1914 | if (!strcmp(p, "-fn") || !strcmp(p, "-font")) { |
| 1915 | EXPECTS_ARG; |
| 1916 | SECOND_PASS_ONLY; |
| 1917 | strncpy(cfg.font, val, sizeof(cfg.font)); |
| 1918 | cfg.font[sizeof(cfg.font)-1] = '\0'; |
| 1919 | |
| 1920 | } else if (!strcmp(p, "-fb")) { |
| 1921 | EXPECTS_ARG; |
| 1922 | SECOND_PASS_ONLY; |
| 1923 | strncpy(cfg.boldfont, val, sizeof(cfg.boldfont)); |
| 1924 | cfg.boldfont[sizeof(cfg.boldfont)-1] = '\0'; |
| 1925 | |
| 1926 | } else if (!strcmp(p, "-cs")) { |
| 1927 | EXPECTS_ARG; |
| 1928 | SECOND_PASS_ONLY; |
| 1929 | strncpy(cfg.line_codepage, val, sizeof(cfg.line_codepage)); |
| 1930 | cfg.line_codepage[sizeof(cfg.line_codepage)-1] = '\0'; |
| 1931 | |
| 1932 | } else if (!strcmp(p, "-geometry")) { |
| 1933 | int flags, x, y, w, h; |
| 1934 | EXPECTS_ARG; |
| 1935 | SECOND_PASS_ONLY; |
| 1936 | |
| 1937 | flags = XParseGeometry(val, &x, &y, &w, &h); |
| 1938 | if (flags & WidthValue) |
| 1939 | cfg.width = w; |
| 1940 | if (flags & HeightValue) |
| 1941 | cfg.height = h; |
| 1942 | |
| 1943 | /* |
| 1944 | * Apparently setting the initial window position is |
| 1945 | * difficult in GTK 1.2. Not entirely sure why this |
| 1946 | * should be. 2.0 has gtk_window_parse_geometry(), |
| 1947 | * which would help... For the moment, though, I can't |
| 1948 | * be bothered with this. |
| 1949 | */ |
| 1950 | |
| 1951 | } else if (!strcmp(p, "-sl")) { |
| 1952 | EXPECTS_ARG; |
| 1953 | SECOND_PASS_ONLY; |
| 1954 | cfg.savelines = atoi(val); |
| 1955 | |
| 1956 | } else if (!strcmp(p, "-fg") || !strcmp(p, "-bg") || |
| 1957 | !strcmp(p, "-bfg") || !strcmp(p, "-bbg") || |
| 1958 | !strcmp(p, "-cfg") || !strcmp(p, "-cbg")) { |
| 1959 | GdkColor col; |
| 1960 | |
| 1961 | EXPECTS_ARG; |
| 1962 | SECOND_PASS_ONLY; |
| 1963 | if (!gdk_color_parse(val, &col)) { |
| 1964 | err = 1; |
| 1965 | fprintf(stderr, "pterm: unable to parse colour \"%s\"\n", val); |
| 1966 | } else { |
| 1967 | int index; |
| 1968 | index = (!strcmp(p, "-fg") ? 0 : |
| 1969 | !strcmp(p, "-bg") ? 2 : |
| 1970 | !strcmp(p, "-bfg") ? 1 : |
| 1971 | !strcmp(p, "-bbg") ? 3 : |
| 1972 | !strcmp(p, "-cfg") ? 4 : |
| 1973 | !strcmp(p, "-cbg") ? 5 : -1); |
| 1974 | assert(index != -1); |
| 1975 | cfg.colours[index][0] = col.red / 256; |
| 1976 | cfg.colours[index][1] = col.green / 256; |
| 1977 | cfg.colours[index][2] = col.blue / 256; |
| 1978 | } |
| 1979 | |
| 1980 | } else if (!strcmp(p, "-e")) { |
| 1981 | /* This option swallows all further arguments. */ |
| 1982 | if (!do_everything) |
| 1983 | break; |
| 1984 | |
| 1985 | if (--argc > 0) { |
| 1986 | int i; |
| 1987 | pty_argv = smalloc((argc+1) * sizeof(char *)); |
| 1988 | ++argv; |
| 1989 | for (i = 0; i < argc; i++) |
| 1990 | pty_argv[i] = argv[i]; |
| 1991 | pty_argv[argc] = NULL; |
| 1992 | break; /* finished command-line processing */ |
| 1993 | } else |
| 1994 | err = 1, fprintf(stderr, "pterm: -e expects an argument\n"); |
| 1995 | |
| 1996 | } else if (!strcmp(p, "-T")) { |
| 1997 | EXPECTS_ARG; |
| 1998 | SECOND_PASS_ONLY; |
| 1999 | strncpy(cfg.wintitle, val, sizeof(cfg.wintitle)); |
| 2000 | cfg.wintitle[sizeof(cfg.wintitle)-1] = '\0'; |
| 2001 | |
| 2002 | } else if (!strcmp(p, "-log")) { |
| 2003 | EXPECTS_ARG; |
| 2004 | SECOND_PASS_ONLY; |
| 2005 | strncpy(cfg.logfilename, val, sizeof(cfg.logfilename)); |
| 2006 | cfg.logfilename[sizeof(cfg.logfilename)-1] = '\0'; |
| 2007 | cfg.logtype = LGTYP_DEBUG; |
| 2008 | |
| 2009 | } else if (!strcmp(p, "-ut-") || !strcmp(p, "+ut")) { |
| 2010 | SECOND_PASS_ONLY; |
| 2011 | cfg.stamp_utmp = 0; |
| 2012 | |
| 2013 | } else if (!strcmp(p, "-ut")) { |
| 2014 | SECOND_PASS_ONLY; |
| 2015 | cfg.stamp_utmp = 1; |
| 2016 | |
| 2017 | } else if (!strcmp(p, "-ls-") || !strcmp(p, "+ls")) { |
| 2018 | SECOND_PASS_ONLY; |
| 2019 | cfg.login_shell = 0; |
| 2020 | |
| 2021 | } else if (!strcmp(p, "-ls")) { |
| 2022 | SECOND_PASS_ONLY; |
| 2023 | cfg.login_shell = 1; |
| 2024 | |
| 2025 | } else if (!strcmp(p, "-nethack")) { |
| 2026 | SECOND_PASS_ONLY; |
| 2027 | cfg.nethack_keypad = 1; |
| 2028 | |
| 2029 | } else if (!strcmp(p, "-sb-") || !strcmp(p, "+sb")) { |
| 2030 | SECOND_PASS_ONLY; |
| 2031 | cfg.scrollbar = 0; |
| 2032 | |
| 2033 | } else if (!strcmp(p, "-sb")) { |
| 2034 | SECOND_PASS_ONLY; |
| 2035 | cfg.scrollbar = 0; |
| 2036 | |
| 2037 | } else if (!strcmp(p, "-name")) { |
| 2038 | EXPECTS_ARG; |
| 2039 | app_name = val; |
| 2040 | |
| 2041 | } else if (!strcmp(p, "-xrm")) { |
| 2042 | EXPECTS_ARG; |
| 2043 | provide_xrm_string(val); |
| 2044 | |
| 2045 | } else if(!strcmp(p, "-help") || !strcmp(p, "--help")) { |
| 2046 | help(stdout); |
| 2047 | exit(0); |
| 2048 | |
| 2049 | } else { |
| 2050 | err = 1; |
| 2051 | fprintf(stderr, "pterm: unrecognized option '%s'\n", p); |
| 2052 | } |
| 2053 | } |
| 2054 | |
| 2055 | return err; |
| 2056 | } |
| 2057 | |
| 2058 | static void block_signal(int sig, int block_it) { |
| 2059 | sigset_t ss; |
| 2060 | |
| 2061 | sigemptyset(&ss); |
| 2062 | sigaddset(&ss, sig); |
| 2063 | if(sigprocmask(block_it ? SIG_BLOCK : SIG_UNBLOCK, &ss, 0) < 0) { |
| 2064 | perror("sigprocmask"); |
| 2065 | exit(1); |
| 2066 | } |
| 2067 | } |
| 2068 | |
| 2069 | static void set_font_info(struct gui_data *inst, int fontid) |
| 2070 | { |
| 2071 | GdkFont *font = inst->fonts[fontid]; |
| 2072 | XFontStruct *xfs = GDK_FONT_XFONT(font); |
| 2073 | Display *disp = GDK_FONT_XDISPLAY(font); |
| 2074 | Atom charset_registry, charset_encoding; |
| 2075 | unsigned long registry_ret, encoding_ret; |
| 2076 | charset_registry = XInternAtom(disp, "CHARSET_REGISTRY", False); |
| 2077 | charset_encoding = XInternAtom(disp, "CHARSET_ENCODING", False); |
| 2078 | inst->fontinfo[fontid].charset = CS_NONE; |
| 2079 | inst->fontinfo[fontid].is_wide = 0; |
| 2080 | if (XGetFontProperty(xfs, charset_registry, ®istry_ret) && |
| 2081 | XGetFontProperty(xfs, charset_encoding, &encoding_ret)) { |
| 2082 | char *reg, *enc; |
| 2083 | reg = XGetAtomName(disp, (Atom)registry_ret); |
| 2084 | enc = XGetAtomName(disp, (Atom)encoding_ret); |
| 2085 | if (reg && enc) { |
| 2086 | char *encoding = dupcat(reg, "-", enc, NULL); |
| 2087 | inst->fontinfo[fontid].charset = charset_from_xenc(encoding); |
| 2088 | /* FIXME: when libcharset supports wide encodings fix this. */ |
| 2089 | if (!strcasecmp(encoding, "iso10646-1")) |
| 2090 | inst->fontinfo[fontid].is_wide = 1; |
| 2091 | |
| 2092 | /* |
| 2093 | * Hack for X line-drawing characters: if the primary |
| 2094 | * font is encoded as ISO-8859-anything, and has valid |
| 2095 | * glyphs in the first 32 char positions, it is assumed |
| 2096 | * that those glyphs are the VT100 line-drawing |
| 2097 | * character set. |
| 2098 | * |
| 2099 | * Actually, we'll hack even harder by only checking |
| 2100 | * position 0x19 (vertical line, VT100 linedrawing |
| 2101 | * `x'). Then we can check it easily by seeing if the |
| 2102 | * ascent and descent differ. |
| 2103 | */ |
| 2104 | if (inst->fontinfo[fontid].charset == CS_ISO8859_1) { |
| 2105 | int lb, rb, wid, asc, desc; |
| 2106 | gchar text[2]; |
| 2107 | |
| 2108 | text[1] = '\0'; |
| 2109 | text[0] = '\x12'; |
| 2110 | gdk_string_extents(inst->fonts[fontid], text, |
| 2111 | &lb, &rb, &wid, &asc, &desc); |
| 2112 | if (asc != desc) |
| 2113 | inst->fontinfo[fontid].charset = CS_ISO8859_1_X11; |
| 2114 | } |
| 2115 | |
| 2116 | /* |
| 2117 | * FIXME: this is a hack. Currently fonts with |
| 2118 | * incomprehensible encodings are dealt with by |
| 2119 | * pretending they're 8859-1. It's ugly, but it's good |
| 2120 | * enough to stop things crashing. Should do something |
| 2121 | * better here. |
| 2122 | */ |
| 2123 | if (inst->fontinfo[fontid].charset == CS_NONE) |
| 2124 | inst->fontinfo[fontid].charset = CS_ISO8859_1; |
| 2125 | |
| 2126 | sfree(encoding); |
| 2127 | } |
| 2128 | } |
| 2129 | } |
| 2130 | |
| 2131 | int main(int argc, char **argv) |
| 2132 | { |
| 2133 | extern int pty_master_fd; /* declared in pty.c */ |
| 2134 | extern void pty_pre_init(void); /* declared in pty.c */ |
| 2135 | struct gui_data *inst; |
| 2136 | |
| 2137 | /* defer any child exit handling until we're ready to deal with |
| 2138 | * it */ |
| 2139 | block_signal(SIGCHLD, 1); |
| 2140 | |
| 2141 | pty_pre_init(); |
| 2142 | |
| 2143 | gtk_init(&argc, &argv); |
| 2144 | |
| 2145 | if (do_cmdline(argc, argv, 0)) /* pre-defaults pass to get -class */ |
| 2146 | exit(1); |
| 2147 | do_defaults(NULL, &cfg); |
| 2148 | if (do_cmdline(argc, argv, 1)) /* post-defaults, do everything */ |
| 2149 | exit(1); |
| 2150 | |
| 2151 | /* |
| 2152 | * Create an instance structure and initialise to zeroes |
| 2153 | */ |
| 2154 | inst = smalloc(sizeof(*inst)); |
| 2155 | memset(inst, 0, sizeof(*inst)); |
| 2156 | inst->alt_keycode = -1; /* this one needs _not_ to be zero */ |
| 2157 | |
| 2158 | inst->fonts[0] = gdk_font_load(cfg.font); |
| 2159 | if (!inst->fonts[0]) { |
| 2160 | fprintf(stderr, "pterm: unable to load font \"%s\"\n", cfg.font); |
| 2161 | exit(1); |
| 2162 | } |
| 2163 | set_font_info(inst, 0); |
| 2164 | if (cfg.boldfont[0]) { |
| 2165 | inst->fonts[1] = gdk_font_load(cfg.boldfont); |
| 2166 | if (!inst->fonts[1]) { |
| 2167 | fprintf(stderr, "pterm: unable to load bold font \"%s\"\n", |
| 2168 | cfg.boldfont); |
| 2169 | exit(1); |
| 2170 | } |
| 2171 | set_font_info(inst, 1); |
| 2172 | } else |
| 2173 | inst->fonts[1] = NULL; |
| 2174 | |
| 2175 | inst->font_width = gdk_char_width(inst->fonts[0], ' '); |
| 2176 | inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent; |
| 2177 | |
| 2178 | inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE); |
| 2179 | inst->utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE); |
| 2180 | |
| 2181 | init_ucs(); |
| 2182 | |
| 2183 | inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 2184 | |
| 2185 | if (cfg.wintitle[0]) |
| 2186 | set_title(inst, cfg.wintitle); |
| 2187 | else |
| 2188 | set_title(inst, "pterm"); |
| 2189 | |
| 2190 | /* |
| 2191 | * Set up the colour map. |
| 2192 | */ |
| 2193 | palette_reset(inst); |
| 2194 | |
| 2195 | inst->area = gtk_drawing_area_new(); |
| 2196 | gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), |
| 2197 | inst->font_width * cfg.width + 2*cfg.window_border, |
| 2198 | inst->font_height * cfg.height + 2*cfg.window_border); |
| 2199 | if (cfg.scrollbar) { |
| 2200 | inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0)); |
| 2201 | inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust); |
| 2202 | } |
| 2203 | inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0)); |
| 2204 | if (cfg.scrollbar) { |
| 2205 | if (cfg.scrollbar_on_left) |
| 2206 | gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0); |
| 2207 | else |
| 2208 | gtk_box_pack_end(inst->hbox, inst->sbar, FALSE, FALSE, 0); |
| 2209 | } |
| 2210 | gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0); |
| 2211 | |
| 2212 | gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox)); |
| 2213 | |
| 2214 | { |
| 2215 | GdkGeometry geom; |
| 2216 | geom.min_width = inst->font_width + 2*cfg.window_border; |
| 2217 | geom.min_height = inst->font_height + 2*cfg.window_border; |
| 2218 | geom.max_width = geom.max_height = -1; |
| 2219 | geom.base_width = 2*cfg.window_border; |
| 2220 | geom.base_height = 2*cfg.window_border; |
| 2221 | geom.width_inc = inst->font_width; |
| 2222 | geom.height_inc = inst->font_height; |
| 2223 | geom.min_aspect = geom.max_aspect = 0; |
| 2224 | gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom, |
| 2225 | GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE | |
| 2226 | GDK_HINT_RESIZE_INC); |
| 2227 | } |
| 2228 | |
| 2229 | gtk_signal_connect(GTK_OBJECT(inst->window), "destroy", |
| 2230 | GTK_SIGNAL_FUNC(destroy), inst); |
| 2231 | gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event", |
| 2232 | GTK_SIGNAL_FUNC(delete_window), inst); |
| 2233 | gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event", |
| 2234 | GTK_SIGNAL_FUNC(key_event), inst); |
| 2235 | gtk_signal_connect(GTK_OBJECT(inst->window), "key_release_event", |
| 2236 | GTK_SIGNAL_FUNC(key_event), inst); |
| 2237 | gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event", |
| 2238 | GTK_SIGNAL_FUNC(focus_event), inst); |
| 2239 | gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event", |
| 2240 | GTK_SIGNAL_FUNC(focus_event), inst); |
| 2241 | gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event", |
| 2242 | GTK_SIGNAL_FUNC(configure_area), inst); |
| 2243 | gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event", |
| 2244 | GTK_SIGNAL_FUNC(expose_area), inst); |
| 2245 | gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event", |
| 2246 | GTK_SIGNAL_FUNC(button_event), inst); |
| 2247 | gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event", |
| 2248 | GTK_SIGNAL_FUNC(button_event), inst); |
| 2249 | gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event", |
| 2250 | GTK_SIGNAL_FUNC(motion_event), inst); |
| 2251 | gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received", |
| 2252 | GTK_SIGNAL_FUNC(selection_received), inst); |
| 2253 | gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get", |
| 2254 | GTK_SIGNAL_FUNC(selection_get), inst); |
| 2255 | gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event", |
| 2256 | GTK_SIGNAL_FUNC(selection_clear), inst); |
| 2257 | if (cfg.scrollbar) |
| 2258 | gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed", |
| 2259 | GTK_SIGNAL_FUNC(scrollbar_moved), inst); |
| 2260 | gtk_timeout_add(20, timer_func, inst); |
| 2261 | gtk_widget_add_events(GTK_WIDGET(inst->area), |
| 2262 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | |
| 2263 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | |
| 2264 | GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK); |
| 2265 | |
| 2266 | gtk_widget_show(inst->area); |
| 2267 | if (cfg.scrollbar) |
| 2268 | gtk_widget_show(inst->sbar); |
| 2269 | gtk_widget_show(GTK_WIDGET(inst->hbox)); |
| 2270 | gtk_widget_show(inst->window); |
| 2271 | |
| 2272 | set_window_background(inst); |
| 2273 | |
| 2274 | inst->textcursor = make_mouse_ptr(inst, GDK_XTERM); |
| 2275 | inst->rawcursor = make_mouse_ptr(inst, GDK_LEFT_PTR); |
| 2276 | inst->blankcursor = make_mouse_ptr(inst, -1); |
| 2277 | make_mouse_ptr(inst, -2); /* clean up cursor font */ |
| 2278 | inst->currcursor = inst->textcursor; |
| 2279 | show_mouseptr(inst, 1); |
| 2280 | |
| 2281 | inst->term = term_init(&cfg, inst); |
| 2282 | inst->logctx = log_init(inst); |
| 2283 | term_provide_logctx(inst->term, inst->logctx); |
| 2284 | |
| 2285 | inst->back = &pty_backend; |
| 2286 | inst->back->init((void *)inst->term, &inst->backhandle, NULL, 0, NULL, 0); |
| 2287 | inst->back->provide_logctx(inst->backhandle, inst->logctx); |
| 2288 | |
| 2289 | term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle); |
| 2290 | |
| 2291 | term_size(inst->term, cfg.height, cfg.width, cfg.savelines); |
| 2292 | |
| 2293 | inst->ldisc = |
| 2294 | ldisc_create(&cfg, inst->term, inst->back, inst->backhandle, inst); |
| 2295 | ldisc_send(inst->ldisc, NULL, 0, 0);/* cause ldisc to notice changes */ |
| 2296 | |
| 2297 | inst->master_fd = pty_master_fd; |
| 2298 | inst->exited = FALSE; |
| 2299 | inst->master_func_id = gdk_input_add(pty_master_fd, GDK_INPUT_READ, |
| 2300 | pty_input_func, inst); |
| 2301 | |
| 2302 | /* now we're reday to deal with the child exit handler being |
| 2303 | * called */ |
| 2304 | block_signal(SIGCHLD, 0); |
| 2305 | |
| 2306 | gtk_main(); |
| 2307 | |
| 2308 | return 0; |
| 2309 | } |