git.distorted.org.uk Git - u/mdw/putty/blob - unix/pterm.c

   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 <stdlib.h>
   8 #include <stdio.h>
   9 #include <time.h>
  10 #include <gtk/gtk.h>
  11
  12 #define PUTTY_DO_GLOBALS               /* actually _define_ globals */
  13 #include "putty.h"
  14
  15 #define CAT2(x,y) x ## y
  16 #define CAT(x,y) CAT2(x,y)
  17 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
  18
  19 void ldisc_update(int echo, int edit)
  20 {
  21     /*
  22      * This is a stub in pterm. If I ever produce a Unix
  23      * command-line ssh/telnet/rlogin client (i.e. a port of plink)
  24      * then it will require some termios manoeuvring analogous to
  25      * that in the Windows plink.c, but here it's meaningless.
  26      */
  27 }
  28
  29 int askappend(char *filename)
  30 {
  31     /*
  32      * FIXME: for the moment we just wipe the log file. Since I
  33      * haven't yet enabled logging, this shouldn't matter yet!
  34      */
  35     return 2;
  36 }
  37
  38 void logevent(char *string)
  39 {
  40     /*
  41      * FIXME: event log entries are currently ignored.
  42      */
  43 }
  44
  45 /*
  46  * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
  47  * into a cooked one (SELECT, EXTEND, PASTE).
  48  *
  49  * In Unix, this is not configurable; the X button arrangement is
  50  * rock-solid across all applications, everyone has a three-button
  51  * mouse or a means of faking it, and there is no need to switch
  52  * buttons around at all.
  53  */
  54 Mouse_Button translate_button(Mouse_Button button)
  55 {
  56     if (button == MBT_LEFT)
  57         return MBT_SELECT;
  58     if (button == MBT_MIDDLE)
  59         return MBT_PASTE;
  60     if (button == MBT_RIGHT)
  61         return MBT_EXTEND;
  62     return 0;                          /* shouldn't happen */
  63 }
  64
  65 /*
  66  * Minimise or restore the window in response to a server-side
  67  * request.
  68  */
  69 void set_iconic(int iconic)
  70 {
  71     /* FIXME: currently ignored */
  72 }
  73
  74 /*
  75  * Move the window in response to a server-side request.
  76  */
  77 void move_window(int x, int y)
  78 {
  79     /* FIXME: currently ignored */
  80 }
  81
  82 /*
  83  * Move the window to the top or bottom of the z-order in response
  84  * to a server-side request.
  85  */
  86 void set_zorder(int top)
  87 {
  88     /* FIXME: currently ignored */
  89 }
  90
  91 /*
  92  * Refresh the window in response to a server-side request.
  93  */
  94 void refresh_window(void)
  95 {
  96     /* FIXME: currently ignored */
  97 }
  98
  99 /*
 100  * Maximise or restore the window in response to a server-side
 101  * request.
 102  */
 103 void set_zoomed(int zoomed)
 104 {
 105     /* FIXME: currently ignored */
 106 }
 107
 108 /*
 109  * Report whether the window is iconic, for terminal reports.
 110  */
 111 int is_iconic(void)
 112 {
 113     return 0;                          /* FIXME */
 114 }
 115
 116 /*
 117  * Report the window's position, for terminal reports.
 118  */
 119 void get_window_pos(int *x, int *y)
 120 {
 121     *x = 3; *y = 4;                    /* FIXME */
 122 }
 123
 124 /*
 125  * Report the window's pixel size, for terminal reports.
 126  */
 127 void get_window_pixels(int *x, int *y)
 128 {
 129     *x = 1; *y = 2;                    /* FIXME */
 130 }
 131
 132 /*
 133  * Return the window or icon title.
 134  */
 135 char *get_window_title(int icon)
 136 {
 137     return "FIXME: window title retrieval not yet implemented";
 138 }
 139
 140 struct gui_data {
 141     GtkWidget *area;
 142     GdkFont *fonts[2];                 /* normal and bold (for now!) */
 143     GdkGC *black_gc, *white_gc;
 144 };
 145
 146 static struct gui_data the_inst;
 147 static struct gui_data *inst = &the_inst;   /* so we always write `inst->' */
 148
 149 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
 150 {
 151     /*
 152      * FIXME: warn on close?
 153      */
 154     return FALSE;
 155 }
 156
 157 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
 158 {
 159     struct gui_data *inst = (struct gui_data *)data;
 160
 161     inst->fonts[0] = gdk_font_load("9x15t");   /* XXCONFIG */
 162     inst->fonts[1] = NULL;             /* XXCONFIG */
 163     inst->black_gc = widget->style->black_gc;
 164     inst->white_gc = widget->style->white_gc;
 165
 166 #if 0                                  /* FIXME: get cmap from settings */
 167     /*
 168      * Set up the colour map.
 169      */
 170     inst->colmap = gdk_colormap_get_system();
 171     {
 172         char *colours[] = {
 173             "#cc0000", "#880000", "#ff0000",
 174             "#cc6600", "#884400", "#ff7f00",
 175             "#cc9900", "#886600", "#ffbf00",
 176             "#cccc00", "#888800", "#ffff00",
 177             "#00cc00", "#008800", "#00ff00",
 178             "#008400", "#005800", "#00b000",
 179             "#008484", "#005858", "#00b0b0",
 180             "#00cccc", "#008888", "#00ffff",
 181             "#0066cc", "#004488", "#007fff",
 182             "#9900cc", "#660088", "#bf00ff",
 183             "#cc00cc", "#880088", "#ff00ff",
 184             "#cc9999", "#886666", "#ffbfbf",
 185             "#cccc99", "#888866", "#ffffbf",
 186             "#99cc99", "#668866", "#bfffbf",
 187             "#9999cc", "#666688", "#bfbfff",
 188             "#757575", "#4e4e4e", "#9c9c9c",
 189             "#999999", "#666666", "#bfbfbf",
 190             "#cccccc", "#888888", "#ffffff",
 191         };
 192         ASSERT(sizeof(colours)/sizeof(*colours)==3*NCOLOURS);
 193         gboolean success[3*NCOLOURS];
 194         int i;
 195
 196         for (i = 0; i < 3*NCOLOURS; i++) {
 197             if (!gdk_color_parse(colours[i], &inst->cols[i]))
 198                 g_error("4tris: couldn't parse colour \"%s\"\n", colours[i]);
 199         }
 200
 201         gdk_colormap_alloc_colors(inst->colmap, inst->cols, 3*NCOLOURS,
 202                                   FALSE, FALSE, success);
 203         for (i = 0; i < 3*NCOLOURS; i++) {
 204             if (!success[i])
 205                 g_error("4tris: couldn't allocate colour \"%s\"\n", colours[i]);
 206         }
 207     }
 208 #endif
 209
 210     return TRUE;
 211 }
 212
 213 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 214 {
 215     /* struct gui_data *inst = (struct gui_data *)data; */
 216
 217     /*
 218      * Pass the exposed rectangle to terminal.c, which will call us
 219      * back to do the actual painting.
 220      */
 221     term_paint(NULL,
 222                event->area.x / 9, event->area.y / 15,
 223                (event->area.x + event->area.width - 1) / 9,
 224                (event->area.y + event->area.height - 1) / 15);
 225     return TRUE;
 226 }
 227
 228 #define KEY_PRESSED(k) \
 229     (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
 230
 231 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
 232 {
 233     /* struct gui_data *inst = (struct gui_data *)data; */
 234
 235     if (event->type == GDK_KEY_PRESS) {
 236         char c[1];
 237         c[0] = event->keyval;
 238         ldisc_send(c, 1, 1);
 239         term_out();
 240     }
 241
 242     return TRUE;
 243 }
 244
 245 gint timer_func(gpointer data)
 246 {
 247     /* struct gui_data *inst = (struct gui_data *)data; */
 248
 249     term_update();
 250     return TRUE;
 251 }
 252
 253 void destroy(GtkWidget *widget, gpointer data)
 254 {
 255     gtk_main_quit();
 256 }
 257
 258 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 259 {
 260     /*
 261      * FIXME: need to faff with the cursor shape.
 262      */
 263     return FALSE;
 264 }
 265
 266 /*
 267  * set or clear the "raw mouse message" mode
 268  */
 269 void set_raw_mouse_mode(int activate)
 270 {
 271     /* FIXME: currently ignored */
 272 }
 273
 274 void request_resize(int w, int h)
 275 {
 276     /* FIXME: currently ignored */
 277 }
 278
 279 void palette_set(int n, int r, int g, int b)
 280 {
 281     /* FIXME: currently ignored */
 282 }
 283 void palette_reset(void)
 284 {
 285     /* FIXME: currently ignored */
 286 }
 287
 288 void write_clip(wchar_t * data, int len, int must_deselect)
 289 {
 290     /* FIXME: currently ignored */
 291 }
 292
 293 void get_clip(wchar_t ** p, int *len)
 294 {
 295     if (p) {
 296         /* FIXME: currently nonfunctional */
 297         *p = NULL;
 298         *len = 0;
 299     }
 300 }
 301
 302 void set_title(char *title)
 303 {
 304     /* FIXME: currently ignored */
 305 }
 306
 307 void set_icon(char *title)
 308 {
 309     /* FIXME: currently ignored */
 310 }
 311
 312 void set_sbar(int total, int start, int page)
 313 {
 314     /* FIXME: currently ignored */
 315 }
 316
 317 void sys_cursor(int x, int y)
 318 {
 319     /*
 320      * This is meaningless under X.
 321      */
 322 }
 323
 324 void beep(int mode)
 325 {
 326     gdk_beep();
 327 }
 328
 329 int CharWidth(Context ctx, int uc)
 330 {
 331     /*
 332      * Under X, any fixed-width font really _is_ fixed-width.
 333      * Double-width characters will be dealt with using a separate
 334      * font. For the moment we can simply return 1.
 335      */
 336     return 1;
 337 }
 338
 339 Context get_ctx(void)
 340 {
 341     GdkGC *gc = gdk_gc_new(inst->area->window);
 342     return gc;
 343 }
 344
 345 void free_ctx(Context ctx)
 346 {
 347     GdkGC *gc = (GdkGC *)ctx;
 348     gdk_gc_unref(gc);
 349 }
 350
 351 /*
 352  * Draw a line of text in the window, at given character
 353  * coordinates, in given attributes.
 354  *
 355  * We are allowed to fiddle with the contents of `text'.
 356  */
 357 void do_text(Context ctx, int x, int y, char *text, int len,
 358              unsigned long attr, int lattr)
 359 {
 360     GdkColor fg, bg;
 361
 362     GdkGC *gc = (GdkGC *)ctx;
 363     fg.red = fg.green = fg.blue = 65535;
 364     bg.red = bg.green = bg.blue = 65535;
 365     gdk_gc_set_foreground(gc, &fg);
 366     gdk_gc_set_background(gc, &bg);
 367
 368     gdk_draw_text(inst->area->window, inst->fonts[0], inst->white_gc,
 369                   x*9, y*15 + inst->fonts[0]->ascent, text, len);
 370 }
 371
 372 void do_cursor(Context ctx, int x, int y, char *text, int len,
 373                unsigned long attr, int lattr)
 374 {
 375     /* FIXME: passive cursor NYI */
 376     if (attr & TATTR_PASCURS) {
 377         attr &= ~TATTR_PASCURS;
 378         attr |= TATTR_ACTCURS;
 379     }
 380     do_text(ctx, x, y, text, len, attr, lattr);
 381 }
 382
 383 void modalfatalbox(char *p, ...)
 384 {
 385     va_list ap;
 386     fprintf(stderr, "FATAL ERROR: ");
 387     va_start(ap, p);
 388     vfprintf(stderr, p, ap);
 389     va_end(ap);
 390     fputc('\n', stderr);
 391     exit(1);
 392 }
 393
 394 int main(int argc, char **argv)
 395 {
 396     GtkWidget *window;
 397
 398     gtk_init(&argc, &argv);
 399
 400     do_defaults(NULL, &cfg);
 401
 402     init_ucs();
 403
 404     back = &pty_backend;
 405     back->init(NULL, 0, NULL, 0);
 406
 407     window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 408     inst->area = gtk_drawing_area_new();
 409     gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
 410                           9*80, 15*24);/* FIXME: proper resizing stuff */
 411
 412     gtk_container_add(GTK_CONTAINER(window), inst->area);
 413
 414     gtk_signal_connect(GTK_OBJECT(window), "destroy",
 415                        GTK_SIGNAL_FUNC(destroy), inst);
 416     gtk_signal_connect(GTK_OBJECT(window), "delete_event",
 417                        GTK_SIGNAL_FUNC(delete_window), inst);
 418     gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
 419                        GTK_SIGNAL_FUNC(key_event), inst);
 420     gtk_signal_connect(GTK_OBJECT(window), "key_release_event",
 421                        GTK_SIGNAL_FUNC(key_event), inst);
 422     gtk_signal_connect(GTK_OBJECT(window), "focus_in_event",
 423                        GTK_SIGNAL_FUNC(focus_event), inst);
 424     gtk_signal_connect(GTK_OBJECT(window), "focus_out_event",
 425                        GTK_SIGNAL_FUNC(focus_event), inst);
 426     gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
 427                        GTK_SIGNAL_FUNC(configure_area), inst);
 428     gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
 429                        GTK_SIGNAL_FUNC(expose_area), inst);
 430     gtk_timeout_add(20, timer_func, inst);
 431     gtk_widget_add_events(GTK_WIDGET(inst->area),
 432                           GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
 433
 434     gtk_widget_show(inst->area);
 435     gtk_widget_show(window);
 436
 437     term_init();
 438     term_size(24, 80, 2000);
 439
 440     gtk_main();
 441
 442     return 0;
 443 }