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.
15 #include <gdk/gdkkeysyms.h>
17 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
20 #define CAT2(x,y) x ## y
21 #define CAT(x,y) CAT2(x,y)
22 #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
24 #define NCOLOURS (lenof(((Config *)0)->colours))
27 GtkWidget *area, *sbar;
29 GtkAdjustment *sbar_adjust;
31 GdkFont *fonts[2]; /* normal and bold (for now!) */
32 GdkCursor *rawcursor, *textcursor;
33 GdkColor cols[NCOLOURS];
35 wchar_t *pastein_data;
38 int pasteout_data_len;
39 int font_width, font_height;
42 static struct gui_data the_inst;
43 static struct gui_data *inst = &the_inst; /* so we always write `inst->' */
44 static int send_raw_mouse;
46 void ldisc_update(int echo, int edit)
49 * This is a stub in pterm. If I ever produce a Unix
50 * command-line ssh/telnet/rlogin client (i.e. a port of plink)
51 * then it will require some termios manoeuvring analogous to
52 * that in the Windows plink.c, but here it's meaningless.
56 int askappend(char *filename)
59 * FIXME: for the moment we just wipe the log file. Since I
60 * haven't yet enabled logging, this shouldn't matter yet!
65 void logevent(char *string)
68 * FIXME: event log entries are currently ignored.
73 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
74 * into a cooked one (SELECT, EXTEND, PASTE).
76 * In Unix, this is not configurable; the X button arrangement is
77 * rock-solid across all applications, everyone has a three-button
78 * mouse or a means of faking it, and there is no need to switch
79 * buttons around at all.
81 Mouse_Button translate_button(Mouse_Button button)
83 if (button == MBT_LEFT)
85 if (button == MBT_MIDDLE)
87 if (button == MBT_RIGHT)
89 return 0; /* shouldn't happen */
93 * Minimise or restore the window in response to a server-side
96 void set_iconic(int iconic)
98 /* FIXME: currently ignored */
102 * Move the window in response to a server-side request.
104 void move_window(int x, int y)
106 /* FIXME: currently ignored */
110 * Move the window to the top or bottom of the z-order in response
111 * to a server-side request.
113 void set_zorder(int top)
115 /* FIXME: currently ignored */
119 * Refresh the window in response to a server-side request.
121 void refresh_window(void)
123 /* FIXME: currently ignored */
127 * Maximise or restore the window in response to a server-side
130 void set_zoomed(int zoomed)
132 /* FIXME: currently ignored */
136 * Report whether the window is iconic, for terminal reports.
140 return 0; /* FIXME */
144 * Report the window's position, for terminal reports.
146 void get_window_pos(int *x, int *y)
148 *x = 3; *y = 4; /* FIXME */
152 * Report the window's pixel size, for terminal reports.
154 void get_window_pixels(int *x, int *y)
156 *x = 1; *y = 2; /* FIXME */
160 * Return the window or icon title.
162 char *get_window_title(int icon)
164 return "FIXME: window title retrieval not yet implemented";
167 gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
170 * FIXME: warn on close?
175 gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
177 struct gui_data *inst = (struct gui_data *)data;
180 gdk_pixmap_unref(inst->pixmap);
182 inst->pixmap = gdk_pixmap_new(widget->window,
183 (cfg.width * inst->font_width +
184 2*cfg.window_border),
185 (cfg.height * inst->font_height +
186 2*cfg.window_border), -1);
190 gc = gdk_gc_new(inst->area->window);
191 gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */
192 gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
193 cfg.width * inst->font_width + 2*cfg.window_border,
194 cfg.height * inst->font_height + 2*cfg.window_border);
199 * Set up the colour map.
201 inst->colmap = gdk_colormap_get_system();
203 static const int ww[] = {
204 6, 7, 8, 9, 10, 11, 12, 13,
205 14, 15, 16, 17, 18, 19, 20, 21,
208 gboolean success[NCOLOURS];
211 assert(lenof(ww) == NCOLOURS);
213 for (i = 0; i < NCOLOURS; i++) {
214 inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101;
215 inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101;
216 inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101;
219 gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS,
220 FALSE, FALSE, success);
221 for (i = 0; i < NCOLOURS; i++) {
223 g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n",
224 i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]);
231 gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
233 /* struct gui_data *inst = (struct gui_data *)data; */
236 * Pass the exposed rectangle to terminal.c, which will call us
237 * back to do the actual painting.
240 gdk_draw_pixmap(widget->window,
241 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
243 event->area.x, event->area.y,
244 event->area.x, event->area.y,
245 event->area.width, event->area.height);
250 #define KEY_PRESSED(k) \
251 (inst->keystate[(k) / 32] & (1 << ((k) % 32)))
253 gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
255 /* struct gui_data *inst = (struct gui_data *)data; */
259 if (event->type == GDK_KEY_PRESS) {
263 printf("keypress: keyval = %04x, state = %08x; string =",
264 event->keyval, event->state);
265 for (i = 0; event->string[i]; i++)
266 printf(" %02x", (unsigned char) event->string[i]);
275 * - Compose key (!!! requires Unicode faff before even trying)
279 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
282 if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
283 term_scroll(0, -cfg.height/2);
286 if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
287 term_scroll(0, +cfg.height/2);
292 * Neither does Shift-Ins.
294 if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
299 /* ALT+things gives leading Escape. */
301 strncpy(output+1, event->string, 31);
303 end = strlen(output);
304 if (event->state & GDK_MOD1_MASK)
309 /* Control-` is the same as Control-\ (unless gtk has a better idea) */
310 if (!event->string[0] && event->keyval == '`' &&
311 (event->state & GDK_CONTROL_MASK)) {
316 /* Control-Break is the same as Control-C */
317 if (event->keyval == GDK_Break &&
318 (event->state & GDK_CONTROL_MASK)) {
323 /* Control-2, Control-Space and Control-@ are NUL */
324 if (!event->string[0] &&
325 (event->keyval == ' ' || event->keyval == '2' ||
326 event->keyval == '@') &&
327 (event->state & (GDK_SHIFT_MASK |
328 GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
333 /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
334 if (!event->string[0] && event->keyval == ' ' &&
335 (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
336 (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
341 /* We don't let GTK tell us what Backspace is! We know better. */
342 if (event->keyval == GDK_BackSpace &&
343 !(event->state & GDK_SHIFT_MASK)) {
344 output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08';
348 /* Shift-Tab is ESC [ Z */
349 if (event->keyval == GDK_ISO_Left_Tab ||
350 (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
351 end = 1 + sprintf(output+1, "\033[Z");
355 * Application keypad mode.
357 if (app_keypad_keys && !cfg.no_applic_k) {
359 switch (event->keyval) {
360 case GDK_Num_Lock: xkey = 'P'; break;
361 case GDK_KP_Divide: xkey = 'Q'; break;
362 case GDK_KP_Multiply: xkey = 'R'; break;
363 case GDK_KP_Subtract: xkey = 'S'; break;
365 * Keypad + is tricky. It covers a space that would
366 * be taken up on the VT100 by _two_ keys; so we
367 * let Shift select between the two. Worse still,
368 * in xterm function key mode we change which two...
371 if (cfg.funky_type == 2) {
372 if (event->state & GDK_SHIFT_MASK)
376 } else if (event->state & GDK_SHIFT_MASK)
381 case GDK_KP_Enter: xkey = 'M'; break;
382 case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
383 case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
384 case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
385 case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
386 case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
387 case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
388 case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
389 case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
390 case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
391 case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
392 case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
396 if (xkey >= 'P' && xkey <= 'S')
397 end = 1 + sprintf(output+1, "\033%c", xkey);
399 end = 1 + sprintf(output+1, "\033?%c", xkey);
401 end = 1 + sprintf(output+1, "\033O%c", xkey);
407 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
408 * for integer decimal nn.)
410 * We also deal with the weird ones here. Linux VCs replace F1
411 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
412 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
417 switch (event->keyval) {
419 code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
422 code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
425 code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
428 code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
431 code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
434 code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
437 code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
440 code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
443 code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
446 code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
479 if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
480 case GDK_Home: case GDK_KP_Home:
483 case GDK_Insert: case GDK_KP_Insert:
486 case GDK_Delete: case GDK_KP_Delete:
489 case GDK_End: case GDK_KP_End:
492 case GDK_Page_Up: case GDK_KP_Page_Up:
495 case GDK_Page_Down: case GDK_KP_Page_Down:
499 /* Reorder edit keys to physical order */
500 if (cfg.funky_type == 3 && code <= 6)
501 code = "\0\2\1\4\5\3\6"[code];
503 if (vt52_mode && code > 0 && code <= 6) {
504 end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
508 if (cfg.funky_type == 5 && /* SCO function keys */
509 code >= 11 && code <= 34) {
510 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
512 switch (event->keyval) {
513 case GDK_F1: index = 0; break;
514 case GDK_F2: index = 1; break;
515 case GDK_F3: index = 2; break;
516 case GDK_F4: index = 3; break;
517 case GDK_F5: index = 4; break;
518 case GDK_F6: index = 5; break;
519 case GDK_F7: index = 6; break;
520 case GDK_F8: index = 7; break;
521 case GDK_F9: index = 8; break;
522 case GDK_F10: index = 9; break;
523 case GDK_F11: index = 10; break;
524 case GDK_F12: index = 11; break;
526 if (event->state & GDK_SHIFT_MASK) index += 12;
527 if (event->state & GDK_CONTROL_MASK) index += 24;
528 end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
531 if (cfg.funky_type == 5 && /* SCO small keypad */
532 code >= 1 && code <= 6) {
533 char codes[] = "HL.FIG";
538 end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
542 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
549 end = 1 + sprintf(output+1,
550 "\x1B%c", code + 'P' - 11 - offt);
552 end = 1 + sprintf(output+1,
553 "\x1BO%c", code + 'P' - 11 - offt);
556 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
557 end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
560 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
562 end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
564 end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
567 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
568 end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
572 end = 1 + sprintf(output+1, "\x1B[%d~", code);
578 * Cursor keys. (This includes the numberpad cursor keys,
579 * if we haven't already done them due to app keypad mode.)
581 * Here we also process un-numlocked un-appkeypadded KP5,
582 * which sends ESC [ G.
586 switch (event->keyval) {
587 case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
588 case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
589 case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
590 case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
591 case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
595 * The arrow keys normally do ESC [ A and so on. In
596 * app cursor keys mode they do ESC O A instead.
597 * Ctrl toggles the two modes.
600 end = 1 + sprintf(output+1, "\033%c", xkey);
601 } else if (!app_cursor_keys ^
602 !(event->state & GDK_CONTROL_MASK)) {
603 end = 1 + sprintf(output+1, "\033O%c", xkey);
605 end = 1 + sprintf(output+1, "\033[%c", xkey);
616 printf("generating sequence:");
617 for (i = start; i < end; i++)
618 printf(" %02x", (unsigned char) output[i]);
622 ldisc_send(output+start, end-start, 1);
629 gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
631 struct gui_data *inst = (struct gui_data *)data;
632 int shift, ctrl, alt, x, y, button, act;
634 shift = event->state & GDK_SHIFT_MASK;
635 ctrl = event->state & GDK_CONTROL_MASK;
636 alt = event->state & GDK_MOD1_MASK;
637 if (event->button == 1)
639 else if (event->button == 2)
641 else if (event->button == 3)
644 return FALSE; /* don't even know what button! */
646 switch (event->type) {
647 case GDK_BUTTON_PRESS: act = MA_CLICK; break;
648 case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
649 case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
650 case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
651 default: return FALSE; /* don't know this event type */
654 if (send_raw_mouse && !(cfg.mouse_override && shift) &&
655 act != MA_CLICK && act != MA_RELEASE)
656 return TRUE; /* we ignore these in raw mouse mode */
658 x = (event->x - cfg.window_border) / inst->font_width;
659 y = (event->y - cfg.window_border) / inst->font_height;
661 term_mouse(button, act, x, y, shift, ctrl, alt);
666 gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
668 struct gui_data *inst = (struct gui_data *)data;
669 int shift, ctrl, alt, x, y, button;
671 shift = event->state & GDK_SHIFT_MASK;
672 ctrl = event->state & GDK_CONTROL_MASK;
673 alt = event->state & GDK_MOD1_MASK;
674 if (event->state & GDK_BUTTON1_MASK)
676 else if (event->state & GDK_BUTTON2_MASK)
678 else if (event->state & GDK_BUTTON3_MASK)
681 return FALSE; /* don't even know what button! */
683 x = (event->x - cfg.window_border) / inst->font_width;
684 y = (event->y - cfg.window_border) / inst->font_height;
686 term_mouse(button, MA_DRAG, x, y, shift, ctrl, alt);
691 gint timer_func(gpointer data)
693 /* struct gui_data *inst = (struct gui_data *)data; */
699 void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
701 /* struct gui_data *inst = (struct gui_data *)data; */
705 ret = read(sourcefd, buf, sizeof(buf));
708 * Clean termination condition is that either ret == 0, or ret
709 * < 0 and errno == EIO. Not sure why the latter, but it seems
712 if (ret == 0 || (ret < 0 && errno == EIO)) {
717 perror("read pty master");
721 from_backend(0, buf, ret);
725 void destroy(GtkWidget *widget, gpointer data)
730 gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
732 has_focus = event->in;
739 * set or clear the "raw mouse message" mode
741 void set_raw_mouse_mode(int activate)
743 activate = activate && !cfg.no_mouse_rep;
744 send_raw_mouse = activate;
746 gdk_window_set_cursor(inst->area->window, inst->rawcursor);
748 gdk_window_set_cursor(inst->area->window, inst->textcursor);
751 void request_resize(int w, int h)
753 /* FIXME: currently ignored */
756 void palette_set(int n, int r, int g, int b)
758 /* FIXME: currently ignored */
760 void palette_reset(void)
762 /* FIXME: currently ignored */
765 void write_clip(wchar_t * data, int len, int must_deselect)
767 if (inst->pasteout_data)
768 sfree(inst->pasteout_data);
769 inst->pasteout_data = smalloc(len);
770 inst->pasteout_data_len = len;
771 wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len,
774 if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
776 gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
777 GDK_SELECTION_TYPE_STRING, 1);
781 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
782 guint info, guint time_stamp, gpointer data)
784 gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8,
785 inst->pasteout_data, inst->pasteout_data_len);
788 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
792 if (inst->pasteout_data)
793 sfree(inst->pasteout_data);
794 inst->pasteout_data = NULL;
795 inst->pasteout_data_len = 0;
799 void request_paste(void)
802 * In Unix, pasting is asynchronous: all we can do at the
803 * moment is to call gtk_selection_convert(), and when the data
804 * comes back _then_ we can call term_do_paste().
806 gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
807 GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME);
810 void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
813 if (seldata->length <= 0 ||
814 seldata->type != GDK_SELECTION_TYPE_STRING)
815 return; /* Nothing happens. */
817 if (inst->pastein_data)
818 sfree(inst->pastein_data);
820 inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t));
821 inst->pastein_data_len = seldata->length;
822 mb_to_wc(0, 0, seldata->data, seldata->length,
823 inst->pastein_data, inst->pastein_data_len);
828 void get_clip(wchar_t ** p, int *len)
831 *p = inst->pastein_data;
832 *len = inst->pastein_data_len;
836 void set_title(char *title)
838 /* FIXME: currently ignored */
841 void set_icon(char *title)
843 /* FIXME: currently ignored */
846 void set_sbar(int total, int start, int page)
848 inst->sbar_adjust->lower = 0;
849 inst->sbar_adjust->upper = total;
850 inst->sbar_adjust->value = start;
851 inst->sbar_adjust->page_size = page;
852 inst->sbar_adjust->step_increment = 1;
853 inst->sbar_adjust->page_increment = page/2;
854 gtk_adjustment_changed(inst->sbar_adjust);
857 void scrollbar_moved(GtkAdjustment *adj, gpointer data)
859 term_scroll(1, (int)adj->value);
862 void sys_cursor(int x, int y)
865 * This is meaningless under X.
874 int CharWidth(Context ctx, int uc)
877 * Under X, any fixed-width font really _is_ fixed-width.
878 * Double-width characters will be dealt with using a separate
879 * font. For the moment we can simply return 1.
884 Context get_ctx(void)
887 if (!inst->area->window)
889 gc = gdk_gc_new(inst->area->window);
893 void free_ctx(Context ctx)
895 GdkGC *gc = (GdkGC *)ctx;
900 * Draw a line of text in the window, at given character
901 * coordinates, in given attributes.
903 * We are allowed to fiddle with the contents of `text'.
905 void do_text(Context ctx, int x, int y, char *text, int len,
906 unsigned long attr, int lattr)
909 GdkGC *gc = (GdkGC *)ctx;
913 * - ATTR_WIDE (is this for Unicode CJK? I hope so)
914 * - LATTR_* (ESC # 4 double-width and double-height stuff)
915 * - cursor shapes other than block
916 * - VT100 line drawing stuff; code pages in general!
920 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
921 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
922 if (attr & ATTR_REVERSE) {
927 if (cfg.bold_colour && (attr & ATTR_BOLD))
929 if (cfg.bold_colour && (attr & ATTR_BLINK))
931 if (attr & TATTR_ACTCURS) {
936 gdk_gc_set_foreground(gc, &inst->cols[nbg]);
937 gdk_draw_rectangle(inst->pixmap, gc, 1,
938 x*inst->font_width+cfg.window_border,
939 y*inst->font_height+cfg.window_border,
940 len*inst->font_width, inst->font_height);
942 gdk_gc_set_foreground(gc, &inst->cols[nfg]);
943 gdk_draw_text(inst->pixmap, inst->fonts[0], gc,
944 x*inst->font_width+cfg.window_border,
945 y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent,
948 if (attr & ATTR_UNDER) {
949 int uheight = inst->fonts[0]->ascent + 1;
950 if (uheight >= inst->font_height)
951 uheight = inst->font_height - 1;
952 gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border,
953 y*inst->font_height + uheight + cfg.window_border,
954 (x+len)*inst->font_width-1+cfg.window_border,
955 y*inst->font_height + uheight + cfg.window_border);
958 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
959 x*inst->font_width+cfg.window_border,
960 y*inst->font_height+cfg.window_border,
961 x*inst->font_width+cfg.window_border,
962 y*inst->font_height+cfg.window_border,
963 len*inst->font_width, inst->font_height);
966 void do_cursor(Context ctx, int x, int y, char *text, int len,
967 unsigned long attr, int lattr)
970 GdkGC *gc = (GdkGC *)ctx;
973 * NYI: cursor shapes other than block
975 if (attr & TATTR_PASCURS) {
976 attr &= ~TATTR_PASCURS;
980 do_text(ctx, x, y, text, len, attr, lattr);
982 gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]);
983 gdk_draw_rectangle(inst->pixmap, gc, 0,
984 x*inst->font_width+cfg.window_border,
985 y*inst->font_height+cfg.window_border,
986 len*inst->font_width-1, inst->font_height-1);
987 gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
988 x*inst->font_width+cfg.window_border,
989 y*inst->font_height+cfg.window_border,
990 x*inst->font_width+cfg.window_border,
991 y*inst->font_height+cfg.window_border,
992 len*inst->font_width, inst->font_height);
996 GdkCursor *make_mouse_ptr(int cursor_val)
999 * Truly hideous hack: GTK doesn't allow us to set the mouse
1000 * cursor foreground and background colours unless we've _also_
1001 * created our own cursor from bitmaps. Therefore, I need to
1002 * load the `cursor' font and draw glyphs from it on to
1003 * pixmaps, in order to construct my cursors with the fg and bg
1004 * I want. This is a gross hack, but it's more self-contained
1005 * than linking in Xlib to find the X window handle to
1006 * inst->area and calling XRecolorCursor, and it's more
1007 * futureproof than hard-coding the shapes as bitmap arrays.
1009 static GdkFont *cursor_font = NULL;
1010 GdkPixmap *source, *mask;
1012 GdkColor cfg = { 0, 65535, 65535, 65535 };
1013 GdkColor cbg = { 0, 0, 0, 0 };
1014 GdkColor dfg = { 1, 65535, 65535, 65535 };
1015 GdkColor dbg = { 0, 0, 0, 0 };
1018 gint lb, rb, wid, asc, desc, w, h, x, y;
1020 if (cursor_val < 0) {
1021 gdk_font_unref(cursor_font);
1026 cursor_font = gdk_font_load("cursor");
1029 * Get the text extent of the cursor in question. We use the
1030 * mask character for this, because it's typically slightly
1031 * bigger than the main character.
1034 text[0] = (char)cursor_val + 1;
1035 gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
1036 w = rb-lb; h = asc+desc; x = -lb; y = asc;
1038 source = gdk_pixmap_new(NULL, w, h, 1);
1039 mask = gdk_pixmap_new(NULL, w, h, 1);
1042 * Draw the mask character on the mask pixmap.
1045 text[0] = (char)cursor_val + 1;
1046 gc = gdk_gc_new(mask);
1047 gdk_gc_set_foreground(gc, &dbg);
1048 gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
1049 gdk_gc_set_foreground(gc, &dfg);
1050 gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
1054 * Draw the main character on the source pixmap.
1057 text[0] = (char)cursor_val;
1058 gc = gdk_gc_new(source);
1059 gdk_gc_set_foreground(gc, &dbg);
1060 gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
1061 gdk_gc_set_foreground(gc, &dfg);
1062 gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
1066 * Create the cursor.
1068 ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
1073 gdk_pixmap_unref(source);
1074 gdk_pixmap_unref(mask);
1079 void modalfatalbox(char *p, ...)
1082 fprintf(stderr, "FATAL ERROR: ");
1084 vfprintf(stderr, p, ap);
1086 fputc('\n', stderr);
1090 int main(int argc, char **argv)
1093 extern int pty_master_fd; /* declared in pty.c */
1095 gtk_init(&argc, &argv);
1097 do_defaults(NULL, &cfg);
1099 inst->fonts[0] = gdk_font_load(cfg.font);
1100 inst->fonts[1] = NULL; /* FIXME: what about bold font? */
1101 inst->font_width = gdk_char_width(inst->fonts[0], ' ');
1102 inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
1106 back = &pty_backend;
1107 back->init(NULL, 0, NULL, 0);
1109 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1110 inst->area = gtk_drawing_area_new();
1111 gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
1112 inst->font_width * cfg.width + 2*cfg.window_border,
1113 inst->font_height * cfg.height + 2*cfg.window_border);
1114 inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 0, 0, 0));
1115 inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
1116 inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
1117 gtk_box_pack_start(inst->hbox, inst->area, FALSE, FALSE, 0);
1118 gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
1120 gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(inst->hbox));
1124 geom.min_width = inst->font_width + 2*cfg.window_border;
1125 geom.min_height = inst->font_height + 2*cfg.window_border;
1126 geom.max_width = geom.max_height = -1;
1127 geom.base_width = 2*cfg.window_border;
1128 geom.base_height = 2*cfg.window_border;
1129 geom.width_inc = inst->font_width;
1130 geom.height_inc = inst->font_height;
1131 geom.min_aspect = geom.max_aspect = 0;
1132 gtk_window_set_geometry_hints(GTK_WINDOW(window), inst->area, &geom,
1133 GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
1134 GDK_HINT_RESIZE_INC);
1137 gtk_signal_connect(GTK_OBJECT(window), "destroy",
1138 GTK_SIGNAL_FUNC(destroy), inst);
1139 gtk_signal_connect(GTK_OBJECT(window), "delete_event",
1140 GTK_SIGNAL_FUNC(delete_window), inst);
1141 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
1142 GTK_SIGNAL_FUNC(key_event), inst);
1143 gtk_signal_connect(GTK_OBJECT(window), "focus_in_event",
1144 GTK_SIGNAL_FUNC(focus_event), inst);
1145 gtk_signal_connect(GTK_OBJECT(window), "focus_out_event",
1146 GTK_SIGNAL_FUNC(focus_event), inst);
1147 gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
1148 GTK_SIGNAL_FUNC(configure_area), inst);
1149 gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
1150 GTK_SIGNAL_FUNC(expose_area), inst);
1151 gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
1152 GTK_SIGNAL_FUNC(button_event), inst);
1153 gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
1154 GTK_SIGNAL_FUNC(button_event), inst);
1155 gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
1156 GTK_SIGNAL_FUNC(motion_event), inst);
1157 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
1158 GTK_SIGNAL_FUNC(selection_received), inst);
1159 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
1160 GTK_SIGNAL_FUNC(selection_get), inst);
1161 gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
1162 GTK_SIGNAL_FUNC(selection_clear), inst);
1163 gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
1164 GTK_SIGNAL_FUNC(scrollbar_moved), inst);
1165 gtk_timeout_add(20, timer_func, inst);
1166 gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst);
1167 gtk_widget_add_events(GTK_WIDGET(inst->area),
1168 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
1169 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
1170 GDK_BUTTON_MOTION_MASK);
1172 gtk_widget_show(inst->area);
1173 gtk_widget_show(inst->sbar);
1174 gtk_widget_show(GTK_WIDGET(inst->hbox));
1175 gtk_widget_show(window);
1177 inst->textcursor = make_mouse_ptr(GDK_XTERM);
1178 inst->rawcursor = make_mouse_ptr(GDK_LEFT_PTR);
1179 make_mouse_ptr(-1); /* clean up cursor font */
1180 gdk_window_set_cursor(inst->area->window, inst->textcursor);
1183 term_size(24, 80, 2000);