/* * pterm - a fusion of the PuTTY terminal emulator with a Unix pty * back end, all running as a GTK application. Wish me luck. */ #include #include #include #include #include #include #include #include #include #include #define PUTTY_DO_GLOBALS /* actually _define_ globals */ #include "putty.h" #define CAT2(x,y) x ## y #define CAT(x,y) CAT2(x,y) #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)} #define NCOLOURS (lenof(((Config *)0)->colours)) struct gui_data { GtkWidget *window, *area, *sbar; GtkBox *hbox; GtkAdjustment *sbar_adjust; GdkPixmap *pixmap; GdkFont *fonts[2]; /* normal and bold (for now!) */ GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor; GdkColor cols[NCOLOURS]; GdkColormap *colmap; wchar_t *pastein_data; int pastein_data_len; char *pasteout_data; int pasteout_data_len; int font_width, font_height; int ignore_sbar; int mouseptr_visible; guint term_paste_idle_id; GdkAtom compound_text_atom; int alt_keycode; char wintitle[sizeof(((Config *)0)->wintitle)]; char icontitle[sizeof(((Config *)0)->wintitle)]; }; static struct gui_data the_inst; static struct gui_data *inst = &the_inst; /* so we always write `inst->' */ static int send_raw_mouse; void ldisc_update(int echo, int edit) { /* * This is a stub in pterm. If I ever produce a Unix * command-line ssh/telnet/rlogin client (i.e. a port of plink) * then it will require some termios manoeuvring analogous to * that in the Windows plink.c, but here it's meaningless. */ } int askappend(char *filename) { /* * Logging in an xterm-alike is liable to be something you only * do at serious diagnostic need. Hence, I'm going to take the * easy option for now and assume we always want to overwrite * log files. I can always make it properly configurable later. */ return 2; } void logevent(char *string) { /* * This is not a very helpful function: events are logged * pretty much exclusively by the back end, and our pty back * end is self-contained. So we need do nothing. */ } int font_dimension(int which) /* 0 for width, 1 for height */ { if (which) return inst->font_height; else return inst->font_width; } /* * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT) * into a cooked one (SELECT, EXTEND, PASTE). * * In Unix, this is not configurable; the X button arrangement is * rock-solid across all applications, everyone has a three-button * mouse or a means of faking it, and there is no need to switch * buttons around at all. */ Mouse_Button translate_button(Mouse_Button button) { if (button == MBT_LEFT) return MBT_SELECT; if (button == MBT_MIDDLE) return MBT_PASTE; if (button == MBT_RIGHT) return MBT_EXTEND; return 0; /* shouldn't happen */ } /* * Minimise or restore the window in response to a server-side * request. */ void set_iconic(int iconic) { /* * GTK 1.2 doesn't know how to do this. */ #if GTK_CHECK_VERSION(2,0,0) if (iconic) gtk_window_iconify(GTK_WINDOW(inst->window)); else gtk_window_deiconify(GTK_WINDOW(inst->window)); #endif } /* * Move the window in response to a server-side request. */ void move_window(int x, int y) { /* * I assume that when the GTK version of this call is available * we should use it. Not sure how it differs from the GDK one, * though. */ #if GTK_CHECK_VERSION(2,0,0) gtk_window_move(GTK_WINDOW(inst->window), x, y); #else gdk_window_move(inst->window->window, x, y); #endif } /* * Move the window to the top or bottom of the z-order in response * to a server-side request. */ void set_zorder(int top) { if (top) gdk_window_raise(inst->window->window); else gdk_window_lower(inst->window->window); } /* * Refresh the window in response to a server-side request. */ void refresh_window(void) { term_invalidate(); } /* * Maximise or restore the window in response to a server-side * request. */ void set_zoomed(int zoomed) { /* * GTK 1.2 doesn't know how to do this. */ #if GTK_CHECK_VERSION(2,0,0) if (iconic) gtk_window_maximize(GTK_WINDOW(inst->window)); else gtk_window_unmaximize(GTK_WINDOW(inst->window)); #endif } /* * Report whether the window is iconic, for terminal reports. */ int is_iconic(void) { return !gdk_window_is_viewable(inst->window->window); } /* * Report the window's position, for terminal reports. */ void get_window_pos(int *x, int *y) { /* * I assume that when the GTK version of this call is available * we should use it. Not sure how it differs from the GDK one, * though. */ #if GTK_CHECK_VERSION(2,0,0) gtk_window_get_position(GTK_WINDOW(inst->window), x, y); #else gdk_window_get_position(inst->window->window, x, y); #endif } /* * Report the window's pixel size, for terminal reports. */ void get_window_pixels(int *x, int *y) { /* * I assume that when the GTK version of this call is available * we should use it. Not sure how it differs from the GDK one, * though. */ #if GTK_CHECK_VERSION(2,0,0) gtk_window_get_size(GTK_WINDOW(inst->window), x, y); #else gdk_window_get_size(inst->window->window, x, y); #endif } /* * Return the window or icon title. */ char *get_window_title(int icon) { return icon ? inst->wintitle : inst->icontitle; } gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data) { /* * We could implement warn-on-close here if we really wanted * to. */ return FALSE; } void show_mouseptr(int show) { if (!cfg.hide_mouseptr) show = 1; if (show) gdk_window_set_cursor(inst->area->window, inst->currcursor); else gdk_window_set_cursor(inst->area->window, inst->blankcursor); inst->mouseptr_visible = show; } gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data) { struct gui_data *inst = (struct gui_data *)data; int w, h, need_size = 0; w = (event->width - 2*cfg.window_border) / inst->font_width; h = (event->height - 2*cfg.window_border) / inst->font_height; if (w != cfg.width || h != cfg.height) { if (inst->pixmap) { gdk_pixmap_unref(inst->pixmap); inst->pixmap = NULL; } cfg.width = w; cfg.height = h; need_size = 1; } if (!inst->pixmap) { GdkGC *gc; inst->pixmap = gdk_pixmap_new(widget->window, (cfg.width * inst->font_width + 2*cfg.window_border), (cfg.height * inst->font_height + 2*cfg.window_border), -1); gc = gdk_gc_new(inst->area->window); gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */ gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0, cfg.width * inst->font_width + 2*cfg.window_border, cfg.height * inst->font_height + 2*cfg.window_border); gdk_gc_unref(gc); } if (need_size) { term_size(h, w, cfg.savelines); } return TRUE; } gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data) { /* struct gui_data *inst = (struct gui_data *)data; */ /* * Pass the exposed rectangle to terminal.c, which will call us * back to do the actual painting. */ if (inst->pixmap) { gdk_draw_pixmap(widget->window, widget->style->fg_gc[GTK_WIDGET_STATE(widget)], inst->pixmap, event->area.x, event->area.y, event->area.x, event->area.y, event->area.width, event->area.height); } return TRUE; } #define KEY_PRESSED(k) \ (inst->keystate[(k) / 32] & (1 << ((k) % 32))) gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data) { /* struct gui_data *inst = (struct gui_data *)data; */ char output[32]; int start, end; /* By default, nothing is generated. */ end = start = 0; /* * If Alt is being released after typing an Alt+numberpad * sequence, we should generate the code that was typed. */ if (event->type == GDK_KEY_RELEASE && (event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L || event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R) && inst->alt_keycode >= 0) { #ifdef KEY_DEBUGGING printf("Alt key up, keycode = %d\n", inst->alt_keycode); #endif output[0] = inst->alt_keycode; end = 1; goto done; } if (event->type == GDK_KEY_PRESS) { #ifdef KEY_DEBUGGING { int i; printf("keypress: keyval = %04x, state = %08x; string =", event->keyval, event->state); for (i = 0; event->string[i]; i++) printf(" %02x", (unsigned char) event->string[i]); printf("\n"); } #endif /* * NYI: Compose key (!!! requires Unicode faff before even trying) */ /* * If Alt has just been pressed, we start potentially * accumulating an Alt+numberpad code. We do this by * setting alt_keycode to -1 (nothing yet but plausible). */ if ((event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L || event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R)) { inst->alt_keycode = -1; goto done; /* this generates nothing else */ } /* * If we're seeing a numberpad key press with Mod1 down, * consider adding it to alt_keycode if that's sensible. * Anything _else_ with Mod1 down cancels any possibility * of an ALT keycode: we set alt_keycode to -2. */ if ((event->state & GDK_MOD1_MASK) && inst->alt_keycode != -2) { int digit = -1; switch (event->keyval) { case GDK_KP_0: case GDK_KP_Insert: digit = 0; break; case GDK_KP_1: case GDK_KP_End: digit = 1; break; case GDK_KP_2: case GDK_KP_Down: digit = 2; break; case GDK_KP_3: case GDK_KP_Page_Down: digit = 3; break; case GDK_KP_4: case GDK_KP_Left: digit = 4; break; case GDK_KP_5: case GDK_KP_Begin: digit = 5; break; case GDK_KP_6: case GDK_KP_Right: digit = 6; break; case GDK_KP_7: case GDK_KP_Home: digit = 7; break; case GDK_KP_8: case GDK_KP_Up: digit = 8; break; case GDK_KP_9: case GDK_KP_Page_Up: digit = 9; break; } if (digit < 0) inst->alt_keycode = -2; /* it's invalid */ else { #ifdef KEY_DEBUGGING printf("Adding digit %d to keycode %d", digit, inst->alt_keycode); #endif if (inst->alt_keycode == -1) inst->alt_keycode = digit; /* one-digit code */ else inst->alt_keycode = inst->alt_keycode * 10 + digit; #ifdef KEY_DEBUGGING printf(" gives new code %d\n", inst->alt_keycode); #endif /* Having used this digit, we now do nothing more with it. */ goto done; } } /* * Shift-PgUp and Shift-PgDn don't even generate keystrokes * at all. */ if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) { term_scroll(0, -cfg.height/2); return TRUE; } if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) { term_scroll(0, +cfg.height/2); return TRUE; } /* * Neither does Shift-Ins. */ if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) { request_paste(); return TRUE; } /* ALT+things gives leading Escape. */ output[0] = '\033'; strncpy(output+1, event->string, 31); output[31] = '\0'; end = strlen(output); if (event->state & GDK_MOD1_MASK) start = 0; else start = 1; /* Control-` is the same as Control-\ (unless gtk has a better idea) */ if (!event->string[0] && event->keyval == '`' && (event->state & GDK_CONTROL_MASK)) { output[1] = '\x1C'; end = 2; } /* Control-Break is the same as Control-C */ if (event->keyval == GDK_Break && (event->state & GDK_CONTROL_MASK)) { output[1] = '\003'; end = 2; } /* Control-2, Control-Space and Control-@ are NUL */ if (!event->string[0] && (event->keyval == ' ' || event->keyval == '2' || event->keyval == '@') && (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) { output[1] = '\0'; end = 2; } /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */ if (!event->string[0] && event->keyval == ' ' && (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) == (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) { output[1] = '\240'; end = 2; } /* We don't let GTK tell us what Backspace is! We know better. */ if (event->keyval == GDK_BackSpace && !(event->state & GDK_SHIFT_MASK)) { output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08'; end = 2; } /* Shift-Tab is ESC [ Z */ if (event->keyval == GDK_ISO_Left_Tab || (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) { end = 1 + sprintf(output+1, "\033[Z"); } /* * NetHack keypad mode. */ if (cfg.nethack_keypad) { char *keys = NULL; switch (event->keyval) { case GDK_KP_1: case GDK_KP_End: keys = "bB"; break; case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break; case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break; case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break; case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break; case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break; case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break; case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break; case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break; } if (keys) { end = 2; if (event->state & GDK_SHIFT_MASK) output[1] = keys[1]; else output[1] = keys[0]; goto done; } } /* * Application keypad mode. */ if (app_keypad_keys && !cfg.no_applic_k) { int xkey = 0; switch (event->keyval) { case GDK_Num_Lock: xkey = 'P'; break; case GDK_KP_Divide: xkey = 'Q'; break; case GDK_KP_Multiply: xkey = 'R'; break; case GDK_KP_Subtract: xkey = 'S'; break; /* * Keypad + is tricky. It covers a space that would * be taken up on the VT100 by _two_ keys; so we * let Shift select between the two. Worse still, * in xterm function key mode we change which two... */ case GDK_KP_Add: if (cfg.funky_type == 2) { if (event->state & GDK_SHIFT_MASK) xkey = 'l'; else xkey = 'k'; } else if (event->state & GDK_SHIFT_MASK) xkey = 'm'; else xkey = 'l'; break; case GDK_KP_Enter: xkey = 'M'; break; case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break; case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break; case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break; case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break; case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break; case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break; case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break; case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break; case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break; case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break; case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break; } if (xkey) { if (vt52_mode) { if (xkey >= 'P' && xkey <= 'S') end = 1 + sprintf(output+1, "\033%c", xkey); else end = 1 + sprintf(output+1, "\033?%c", xkey); } else end = 1 + sprintf(output+1, "\033O%c", xkey); goto done; } } /* * Next, all the keys that do tilde codes. (ESC '[' nn '~', * for integer decimal nn.) * * We also deal with the weird ones here. Linux VCs replace F1 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w * respectively. */ { int code = 0; switch (event->keyval) { case GDK_F1: code = (event->state & GDK_SHIFT_MASK ? 23 : 11); break; case GDK_F2: code = (event->state & GDK_SHIFT_MASK ? 24 : 12); break; case GDK_F3: code = (event->state & GDK_SHIFT_MASK ? 25 : 13); break; case GDK_F4: code = (event->state & GDK_SHIFT_MASK ? 26 : 14); break; case GDK_F5: code = (event->state & GDK_SHIFT_MASK ? 28 : 15); break; case GDK_F6: code = (event->state & GDK_SHIFT_MASK ? 29 : 17); break; case GDK_F7: code = (event->state & GDK_SHIFT_MASK ? 31 : 18); break; case GDK_F8: code = (event->state & GDK_SHIFT_MASK ? 32 : 19); break; case GDK_F9: code = (event->state & GDK_SHIFT_MASK ? 33 : 20); break; case GDK_F10: code = (event->state & GDK_SHIFT_MASK ? 34 : 21); break; case GDK_F11: code = 23; break; case GDK_F12: code = 24; break; case GDK_F13: code = 25; break; case GDK_F14: code = 26; break; case GDK_F15: code = 28; break; case GDK_F16: code = 29; break; case GDK_F17: code = 31; break; case GDK_F18: code = 32; break; case GDK_F19: code = 33; break; case GDK_F20: code = 34; break; } if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) { case GDK_Home: case GDK_KP_Home: code = 1; break; case GDK_Insert: case GDK_KP_Insert: code = 2; break; case GDK_Delete: case GDK_KP_Delete: code = 3; break; case GDK_End: case GDK_KP_End: code = 4; break; case GDK_Page_Up: case GDK_KP_Page_Up: code = 5; break; case GDK_Page_Down: case GDK_KP_Page_Down: code = 6; break; } /* Reorder edit keys to physical order */ if (cfg.funky_type == 3 && code <= 6) code = "\0\2\1\4\5\3\6"[code]; if (vt52_mode && code > 0 && code <= 6) { end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]); goto done; } if (cfg.funky_type == 5 && /* SCO function keys */ code >= 11 && code <= 34) { char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{"; int index = 0; switch (event->keyval) { case GDK_F1: index = 0; break; case GDK_F2: index = 1; break; case GDK_F3: index = 2; break; case GDK_F4: index = 3; break; case GDK_F5: index = 4; break; case GDK_F6: index = 5; break; case GDK_F7: index = 6; break; case GDK_F8: index = 7; break; case GDK_F9: index = 8; break; case GDK_F10: index = 9; break; case GDK_F11: index = 10; break; case GDK_F12: index = 11; break; } if (event->state & GDK_SHIFT_MASK) index += 12; if (event->state & GDK_CONTROL_MASK) index += 24; end = 1 + sprintf(output+1, "\x1B[%c", codes[index]); goto done; } if (cfg.funky_type == 5 && /* SCO small keypad */ code >= 1 && code <= 6) { char codes[] = "HL.FIG"; if (code == 3) { output[1] = '\x7F'; end = 2; } else { end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]); } goto done; } if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) { int offt = 0; if (code > 15) offt++; if (code > 21) offt++; if (vt52_mode) end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11 - offt); else end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11 - offt); goto done; } if (cfg.funky_type == 1 && code >= 11 && code <= 15) { end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11); goto done; } if (cfg.funky_type == 2 && code >= 11 && code <= 14) { if (vt52_mode) end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11); else end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11); goto done; } if (cfg.rxvt_homeend && (code == 1 || code == 4)) { end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw"); goto done; } if (code) { end = 1 + sprintf(output+1, "\x1B[%d~", code); goto done; } } /* * Cursor keys. (This includes the numberpad cursor keys, * if we haven't already done them due to app keypad mode.) * * Here we also process un-numlocked un-appkeypadded KP5, * which sends ESC [ G. */ { int xkey = 0; switch (event->keyval) { case GDK_Up: case GDK_KP_Up: xkey = 'A'; break; case GDK_Down: case GDK_KP_Down: xkey = 'B'; break; case GDK_Right: case GDK_KP_Right: xkey = 'C'; break; case GDK_Left: case GDK_KP_Left: xkey = 'D'; break; case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break; } if (xkey) { /* * The arrow keys normally do ESC [ A and so on. In * app cursor keys mode they do ESC O A instead. * Ctrl toggles the two modes. */ if (vt52_mode) { end = 1 + sprintf(output+1, "\033%c", xkey); } else if (!app_cursor_keys ^ !(event->state & GDK_CONTROL_MASK)) { end = 1 + sprintf(output+1, "\033O%c", xkey); } else { end = 1 + sprintf(output+1, "\033[%c", xkey); } goto done; } } goto done; } done: if (end-start > 0) { #ifdef KEY_DEBUGGING int i; printf("generating sequence:"); for (i = start; i < end; i++) printf(" %02x", (unsigned char) output[i]); printf("\n"); #endif ldisc_send(output+start, end-start, 1); show_mouseptr(0); term_out(); } return TRUE; } gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data) { struct gui_data *inst = (struct gui_data *)data; int shift, ctrl, alt, x, y, button, act; show_mouseptr(1); if (event->button == 4 && event->type == GDK_BUTTON_PRESS) { term_scroll(0, -5); return TRUE; } if (event->button == 5 && event->type == GDK_BUTTON_PRESS) { term_scroll(0, +5); return TRUE; } shift = event->state & GDK_SHIFT_MASK; ctrl = event->state & GDK_CONTROL_MASK; alt = event->state & GDK_MOD1_MASK; if (event->button == 1) button = MBT_LEFT; else if (event->button == 2) button = MBT_MIDDLE; else if (event->button == 3) button = MBT_RIGHT; else return FALSE; /* don't even know what button! */ switch (event->type) { case GDK_BUTTON_PRESS: act = MA_CLICK; break; case GDK_BUTTON_RELEASE: act = MA_RELEASE; break; case GDK_2BUTTON_PRESS: act = MA_2CLK; break; case GDK_3BUTTON_PRESS: act = MA_3CLK; break; default: return FALSE; /* don't know this event type */ } if (send_raw_mouse && !(cfg.mouse_override && shift) && act != MA_CLICK && act != MA_RELEASE) return TRUE; /* we ignore these in raw mouse mode */ x = (event->x - cfg.window_border) / inst->font_width; y = (event->y - cfg.window_border) / inst->font_height; term_mouse(button, act, x, y, shift, ctrl, alt); return TRUE; } gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data) { struct gui_data *inst = (struct gui_data *)data; int shift, ctrl, alt, x, y, button; show_mouseptr(1); shift = event->state & GDK_SHIFT_MASK; ctrl = event->state & GDK_CONTROL_MASK; alt = event->state & GDK_MOD1_MASK; if (event->state & GDK_BUTTON1_MASK) button = MBT_LEFT; else if (event->state & GDK_BUTTON2_MASK) button = MBT_MIDDLE; else if (event->state & GDK_BUTTON3_MASK) button = MBT_RIGHT; else return FALSE; /* don't even know what button! */ x = (event->x - cfg.window_border) / inst->font_width; y = (event->y - cfg.window_border) / inst->font_height; term_mouse(button, MA_DRAG, x, y, shift, ctrl, alt); return TRUE; } gint timer_func(gpointer data) { /* struct gui_data *inst = (struct gui_data *)data; */ extern int pty_child_is_dead(); /* declared in pty.c */ if (pty_child_is_dead()) { /* * The primary child process died. We could keep the * terminal open for remaining subprocesses to output to, * but conventional wisdom seems to feel that that's the * Wrong Thing for an xterm-alike, so we bail out now. This * would be easy enough to change or make configurable if * necessary. */ exit(0); } term_update(); term_blink(0); return TRUE; } void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition) { /* struct gui_data *inst = (struct gui_data *)data; */ char buf[4096]; int ret; ret = read(sourcefd, buf, sizeof(buf)); /* * Clean termination condition is that either ret == 0, or ret * < 0 and errno == EIO. Not sure why the latter, but it seems * to happen. Boo. */ if (ret == 0 || (ret < 0 && errno == EIO)) { exit(0); } if (ret < 0) { perror("read pty master"); exit(1); } if (ret > 0) from_backend(0, buf, ret); term_blink(1); term_out(); } void destroy(GtkWidget *widget, gpointer data) { gtk_main_quit(); } gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data) { has_focus = event->in; term_out(); term_update(); show_mouseptr(1); return FALSE; } /* * set or clear the "raw mouse message" mode */ void set_raw_mouse_mode(int activate) { activate = activate && !cfg.no_mouse_rep; send_raw_mouse = activate; if (send_raw_mouse) inst->currcursor = inst->rawcursor; else inst->currcursor = inst->textcursor; show_mouseptr(inst->mouseptr_visible); } void request_resize(int w, int h) { int large_x, large_y; int offset_x, offset_y; int area_x, area_y; GtkRequisition inner, outer; /* * This is a heinous hack dreamed up by the gnome-terminal * people to get around a limitation in gtk. The problem is * that in order to set the size correctly we really need to be * calling gtk_window_resize - but that needs to know the size * of the _whole window_, not the drawing area. So what we do * is to set an artificially huge size request on the drawing * area, recompute the resulting size request on the window, * and look at the difference between the two. That gives us * the x and y offsets we need to translate drawing area size * into window size for real, and then we call * gtk_window_resize. */ /* * We start by retrieving the current size of the whole window. * Adding a bit to _that_ will give us a value we can use as a * bogus size request which guarantees to be bigger than the * current size of the drawing area. */ get_window_pixels(&large_x, &large_y); large_x += 32; large_y += 32; #if GTK_CHECK_VERSION(2,0,0) gtk_widget_set_size_request(inst->area, large_x, large_y); #else gtk_widget_set_usize(inst->area, large_x, large_y); #endif gtk_widget_size_request(inst->area, &inner); gtk_widget_size_request(inst->window, &outer); offset_x = outer.width - inner.width; offset_y = outer.height - inner.height; area_x = inst->font_width * w + 2*cfg.window_border; area_y = inst->font_height * h + 2*cfg.window_border; /* * Now we must set the size request on the drawing area back to * something sensible before we commit the real resize. Best * way to do this, I think, is to set it to what the size is * really going to end up being. */ #if GTK_CHECK_VERSION(2,0,0) gtk_widget_set_size_request(inst->area, area_x, area_y); #else gtk_widget_set_usize(inst->area, area_x, area_y); #endif #if GTK_CHECK_VERSION(2,0,0) gtk_window_resize(GTK_WINDOW(inst->window), area_x + offset_x, area_y + offset_y); #else gdk_window_resize(inst->window->window, area_x + offset_x, area_y + offset_y); #endif } void real_palette_set(int n, int r, int g, int b) { gboolean success[1]; inst->cols[n].red = r * 0x0101; inst->cols[n].green = g * 0x0101; inst->cols[n].blue = b * 0x0101; gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1, FALSE, FALSE, success); if (!success[0]) g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n", n, r, g, b); } void palette_set(int n, int r, int g, int b) { static const int first[21] = { 0, 2, 4, 6, 8, 10, 12, 14, 1, 3, 5, 7, 9, 11, 13, 15, 16, 17, 18, 20, 22 }; real_palette_set(first[n], r, g, b); if (first[n] >= 18) real_palette_set(first[n] + 1, r, g, b); } void palette_reset(void) { /* This maps colour indices in cfg to those used in inst->cols. */ static const int ww[] = { 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 0, 1, 2, 3, 4, 5 }; gboolean success[NCOLOURS]; int i; assert(lenof(ww) == NCOLOURS); if (!inst->colmap) { inst->colmap = gdk_colormap_get_system(); } else { gdk_colormap_free_colors(inst->colmap, inst->cols, NCOLOURS); } for (i = 0; i < NCOLOURS; i++) { inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101; inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101; inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101; } gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS, FALSE, FALSE, success); for (i = 0; i < NCOLOURS; i++) { if (!success[i]) g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n", i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]); } } void write_clip(wchar_t * data, int len, int must_deselect) { if (inst->pasteout_data) sfree(inst->pasteout_data); inst->pasteout_data = smalloc(len); inst->pasteout_data_len = len; wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len, NULL, NULL); if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME)) { gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, GDK_SELECTION_TYPE_STRING, 1); gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, inst->compound_text_atom, 1); } } void selection_get(GtkWidget *widget, GtkSelectionData *seldata, guint info, guint time_stamp, gpointer data) { gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8, inst->pasteout_data, inst->pasteout_data_len); } gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata, gpointer data) { term_deselect(); if (inst->pasteout_data) sfree(inst->pasteout_data); inst->pasteout_data = NULL; inst->pasteout_data_len = 0; return TRUE; } void request_paste(void) { /* * In Unix, pasting is asynchronous: all we can do at the * moment is to call gtk_selection_convert(), and when the data * comes back _then_ we can call term_do_paste(). */ gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY, GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME); } gint idle_paste_func(gpointer data); /* forward ref */ void selection_received(GtkWidget *widget, GtkSelectionData *seldata, gpointer data) { if (seldata->length <= 0 || seldata->type != GDK_SELECTION_TYPE_STRING) return; /* Nothing happens. */ if (inst->pastein_data) sfree(inst->pastein_data); inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t)); inst->pastein_data_len = seldata->length; mb_to_wc(0, 0, seldata->data, seldata->length, inst->pastein_data, inst->pastein_data_len); term_do_paste(); if (term_paste_pending()) inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst); } gint idle_paste_func(gpointer data) { struct gui_data *inst = (struct gui_data *)data; if (term_paste_pending()) term_paste(); else gtk_idle_remove(inst->term_paste_idle_id); return TRUE; } void get_clip(wchar_t ** p, int *len) { if (p) { *p = inst->pastein_data; *len = inst->pastein_data_len; } } void set_title(char *title) { strncpy(inst->wintitle, title, lenof(inst->wintitle)); inst->wintitle[lenof(inst->wintitle)-1] = '\0'; gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle); } void set_icon(char *title) { strncpy(inst->icontitle, title, lenof(inst->icontitle)); inst->icontitle[lenof(inst->icontitle)-1] = '\0'; gdk_window_set_icon_name(inst->window->window, inst->icontitle); } void set_sbar(int total, int start, int page) { if (!cfg.scrollbar) return; inst->sbar_adjust->lower = 0; inst->sbar_adjust->upper = total; inst->sbar_adjust->value = start; inst->sbar_adjust->page_size = page; inst->sbar_adjust->step_increment = 1; inst->sbar_adjust->page_increment = page/2; inst->ignore_sbar = TRUE; gtk_adjustment_changed(inst->sbar_adjust); inst->ignore_sbar = FALSE; } void scrollbar_moved(GtkAdjustment *adj, gpointer data) { if (!cfg.scrollbar) return; if (!inst->ignore_sbar) term_scroll(1, (int)adj->value); } void sys_cursor(int x, int y) { /* * This is meaningless under X. */ } void beep(int mode) { gdk_beep(); } int CharWidth(Context ctx, int uc) { /* * Under X, any fixed-width font really _is_ fixed-width. * Double-width characters will be dealt with using a separate * font. For the moment we can simply return 1. */ return 1; } Context get_ctx(void) { GdkGC *gc; if (!inst->area->window) return NULL; gc = gdk_gc_new(inst->area->window); return gc; } void free_ctx(Context ctx) { GdkGC *gc = (GdkGC *)ctx; gdk_gc_unref(gc); } /* * Draw a line of text in the window, at given character * coordinates, in given attributes. * * We are allowed to fiddle with the contents of `text'. */ void do_text_internal(Context ctx, int x, int y, char *text, int len, unsigned long attr, int lattr) { int nfg, nbg, t; GdkGC *gc = (GdkGC *)ctx; /* * NYI: * - Unicode, code pages, and ATTR_WIDE for CJK support. * - shadow bolding */ nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT); nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT); if (attr & ATTR_REVERSE) { t = nfg; nfg = nbg; nbg = t; } if (cfg.bold_colour && (attr & ATTR_BOLD)) nfg++; if (cfg.bold_colour && (attr & ATTR_BLINK)) nbg++; if (attr & TATTR_ACTCURS) { nfg = NCOLOURS-2; nbg = NCOLOURS-1; } if (lattr != LATTR_NORM) { x *= 2; if (x >= cols) return; if (x + len*2 > cols) len = (cols-x)/2; /* trim to LH half */ } gdk_gc_set_foreground(gc, &inst->cols[nbg]); gdk_draw_rectangle(inst->pixmap, gc, 1, x*inst->font_width+cfg.window_border, y*inst->font_height+cfg.window_border, len*inst->font_width, inst->font_height); gdk_gc_set_foreground(gc, &inst->cols[nfg]); gdk_draw_text(inst->pixmap, inst->fonts[0], gc, x*inst->font_width+cfg.window_border, y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent, text, len); if (attr & ATTR_UNDER) { int uheight = inst->fonts[0]->ascent + 1; if (uheight >= inst->font_height) uheight = inst->font_height - 1; gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border, y*inst->font_height + uheight + cfg.window_border, (x+len)*inst->font_width-1+cfg.window_border, y*inst->font_height + uheight + cfg.window_border); } if (lattr != LATTR_NORM) { /* * I can't find any plausible StretchBlt equivalent in the * X server, so I'm going to do this the slow and painful * way. This will involve repeated calls to * gdk_draw_pixmap() to stretch the text horizontally. It's * O(N^2) in time and O(N) in network bandwidth, but you * try thinking of a better way. :-( */ int i; for (i = 0; i < len * inst->font_width; i++) { gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap, x*inst->font_width+cfg.window_border + 2*i, y*inst->font_height+cfg.window_border, x*inst->font_width+cfg.window_border + 2*i+1, y*inst->font_height+cfg.window_border, len * inst->font_width - i, inst->font_height); } len *= 2; if (lattr != LATTR_WIDE) { int dt, db; /* Now stretch vertically, in the same way. */ if (lattr == LATTR_BOT) dt = 0, db = 1; else dt = 1, db = 0; for (i = 0; i < inst->font_height; i+=2) { gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap, x*inst->font_width+cfg.window_border, y*inst->font_height+cfg.window_border+dt*i+db, x*inst->font_width+cfg.window_border, y*inst->font_height+cfg.window_border+dt*(i+1), len * inst->font_width, inst->font_height-i-1); } } } } void do_text(Context ctx, int x, int y, char *text, int len, unsigned long attr, int lattr) { GdkGC *gc = (GdkGC *)ctx; do_text_internal(ctx, x, y, text, len, attr, lattr); if (lattr != LATTR_NORM) { x *= 2; if (x >= cols) return; if (x + len*2 > cols) len = (cols-x)/2; /* trim to LH half */ len *= 2; } gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, x*inst->font_width+cfg.window_border, y*inst->font_height+cfg.window_border, x*inst->font_width+cfg.window_border, y*inst->font_height+cfg.window_border, len*inst->font_width, inst->font_height); } void do_cursor(Context ctx, int x, int y, char *text, int len, unsigned long attr, int lattr) { int passive; GdkGC *gc = (GdkGC *)ctx; if (attr & TATTR_PASCURS) { attr &= ~TATTR_PASCURS; passive = 1; } else passive = 0; if ((attr & TATTR_ACTCURS) && cfg.cursor_type != 0) { attr &= ~TATTR_ACTCURS; } do_text_internal(ctx, x, y, text, len, attr, lattr); if (lattr != LATTR_NORM) { x *= 2; if (x >= cols) return; if (x + len*2 > cols) len = (cols-x)/2; /* trim to LH half */ len *= 2; } if (cfg.cursor_type == 0) { /* * An active block cursor will already have been done by * the above do_text call, so we only need to do anything * if it's passive. */ if (passive) { gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]); gdk_draw_rectangle(inst->pixmap, gc, 0, x*inst->font_width+cfg.window_border, y*inst->font_height+cfg.window_border, len*inst->font_width-1, inst->font_height-1); } } else { int uheight; int startx, starty, dx, dy, length, i; int char_width; if ((attr & ATTR_WIDE) || lattr != LATTR_NORM) char_width = 2*inst->font_width; else char_width = inst->font_width; if (cfg.cursor_type == 1) { uheight = inst->fonts[0]->ascent + 1; if (uheight >= inst->font_height) uheight = inst->font_height - 1; startx = x * inst->font_width + cfg.window_border; starty = y * inst->font_height + cfg.window_border + uheight; dx = 1; dy = 0; length = len * char_width; } else { int xadjust = 0; if (attr & TATTR_RIGHTCURS) xadjust = char_width - 1; startx = x * inst->font_width + cfg.window_border + xadjust; starty = y * inst->font_height + cfg.window_border; dx = 0; dy = 1; length = inst->font_height; } gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]); if (passive) { for (i = 0; i < length; i++) { if (i % 2 == 0) { gdk_draw_point(inst->pixmap, gc, startx, starty); } startx += dx; starty += dy; } } else { gdk_draw_line(inst->pixmap, gc, startx, starty, startx + (length-1) * dx, starty + (length-1) * dy); } } gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, x*inst->font_width+cfg.window_border, y*inst->font_height+cfg.window_border, x*inst->font_width+cfg.window_border, y*inst->font_height+cfg.window_border, len*inst->font_width, inst->font_height); } GdkCursor *make_mouse_ptr(int cursor_val) { /* * Truly hideous hack: GTK doesn't allow us to set the mouse * cursor foreground and background colours unless we've _also_ * created our own cursor from bitmaps. Therefore, I need to * load the `cursor' font and draw glyphs from it on to * pixmaps, in order to construct my cursors with the fg and bg * I want. This is a gross hack, but it's more self-contained * than linking in Xlib to find the X window handle to * inst->area and calling XRecolorCursor, and it's more * futureproof than hard-coding the shapes as bitmap arrays. */ static GdkFont *cursor_font = NULL; GdkPixmap *source, *mask; GdkGC *gc; GdkColor cfg = { 0, 65535, 65535, 65535 }; GdkColor cbg = { 0, 0, 0, 0 }; GdkColor dfg = { 1, 65535, 65535, 65535 }; GdkColor dbg = { 0, 0, 0, 0 }; GdkCursor *ret; gchar text[2]; gint lb, rb, wid, asc, desc, w, h, x, y; if (cursor_val == -2) { gdk_font_unref(cursor_font); return NULL; } if (cursor_val >= 0 && !cursor_font) cursor_font = gdk_font_load("cursor"); /* * Get the text extent of the cursor in question. We use the * mask character for this, because it's typically slightly * bigger than the main character. */ if (cursor_val >= 0) { text[1] = '\0'; text[0] = (char)cursor_val + 1; gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc); w = rb-lb; h = asc+desc; x = -lb; y = asc; } else { w = h = 1; x = y = 0; } source = gdk_pixmap_new(NULL, w, h, 1); mask = gdk_pixmap_new(NULL, w, h, 1); /* * Draw the mask character on the mask pixmap. */ gc = gdk_gc_new(mask); gdk_gc_set_foreground(gc, &dbg); gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h); if (cursor_val >= 0) { text[1] = '\0'; text[0] = (char)cursor_val + 1; gdk_gc_set_foreground(gc, &dfg); gdk_draw_text(mask, cursor_font, gc, x, y, text, 1); } gdk_gc_unref(gc); /* * Draw the main character on the source pixmap. */ gc = gdk_gc_new(source); gdk_gc_set_foreground(gc, &dbg); gdk_draw_rectangle(source, gc, 1, 0, 0, w, h); if (cursor_val >= 0) { text[1] = '\0'; text[0] = (char)cursor_val; gdk_gc_set_foreground(gc, &dfg); gdk_draw_text(source, cursor_font, gc, x, y, text, 1); } gdk_gc_unref(gc); /* * Create the cursor. */ ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y); /* * Clean up. */ gdk_pixmap_unref(source); gdk_pixmap_unref(mask); return ret; } void modalfatalbox(char *p, ...) { va_list ap; fprintf(stderr, "FATAL ERROR: "); va_start(ap, p); vfprintf(stderr, p, ap); va_end(ap); fputc('\n', stderr); exit(1); } char *get_x_display(void) { return gdk_get_display(); } int main(int argc, char **argv) { extern int pty_master_fd; /* declared in pty.c */ extern char **pty_argv; /* declared in pty.c */ int err = 0; gtk_init(&argc, &argv); do_defaults(NULL, &cfg); while (--argc > 0) { char *p = *++argv; if (!strcmp(p, "-fn")) { if (--argc > 0) { strncpy(cfg.font, *++argv, sizeof(cfg.font)); cfg.font[sizeof(cfg.font)-1] = '\0'; } else err = 1, fprintf(stderr, "pterm: -fn expects an argument\n"); } if (!strcmp(p, "-e")) { if (--argc > 0) { int i; pty_argv = smalloc((argc+1) * sizeof(char *)); ++argv; for (i = 0; i < argc; i++) pty_argv[i] = argv[i]; pty_argv[argc] = NULL; break; /* finished command-line processing */ } else err = 1, fprintf(stderr, "pterm: -e expects an argument\n"); } if (!strcmp(p, "-T")) { if (--argc > 0) { strncpy(cfg.wintitle, *++argv, sizeof(cfg.wintitle)); cfg.wintitle[sizeof(cfg.wintitle)-1] = '\0'; } else err = 1, fprintf(stderr, "pterm: -T expects an argument\n"); } if (!strcmp(p, "-log")) { if (--argc > 0) { strncpy(cfg.logfilename, *++argv, sizeof(cfg.logfilename)); cfg.logfilename[sizeof(cfg.logfilename)-1] = '\0'; cfg.logtype = LGTYP_DEBUG; } else err = 1, fprintf(stderr, "pterm: -log expects an argument\n"); } if (!strcmp(p, "-hide")) { cfg.hide_mouseptr = 1; } if (!strcmp(p, "-ut-")) { cfg.stamp_utmp = 0; } if (!strcmp(p, "-ls-")) { cfg.login_shell = 0; } if (!strcmp(p, "-nethack")) { cfg.nethack_keypad = 1; } if (!strcmp(p, "-sb-")) { cfg.scrollbar = 0; } } inst->fonts[0] = gdk_font_load(cfg.font); if (!inst->fonts[0]) { fprintf(stderr, "pterm: unable to load font \"%s\"\n", cfg.font); exit(1); } inst->fonts[1] = NULL; /* FIXME: what about bold font? */ inst->font_width = gdk_char_width(inst->fonts[0], ' '); inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent; inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE); init_ucs(); inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); if (cfg.wintitle[0]) set_title(cfg.wintitle); else set_title("pterm"); /* * Set up the colour map. */ palette_reset(); inst->area = gtk_drawing_area_new(); gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), inst->font_width * cfg.width + 2*cfg.window_border, inst->font_height * cfg.height + 2*cfg.window_border); if (cfg.scrollbar) { inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0)); inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust); } inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0)); if (cfg.scrollbar) { if (cfg.scrollbar_on_left) gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0); else gtk_box_pack_end(inst->hbox, inst->sbar, FALSE, FALSE, 0); } gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0); gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox)); { GdkGeometry geom; geom.min_width = inst->font_width + 2*cfg.window_border; geom.min_height = inst->font_height + 2*cfg.window_border; geom.max_width = geom.max_height = -1; geom.base_width = 2*cfg.window_border; geom.base_height = 2*cfg.window_border; geom.width_inc = inst->font_width; geom.height_inc = inst->font_height; geom.min_aspect = geom.max_aspect = 0; gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom, GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE | GDK_HINT_RESIZE_INC); } gtk_signal_connect(GTK_OBJECT(inst->window), "destroy", GTK_SIGNAL_FUNC(destroy), inst); gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event", GTK_SIGNAL_FUNC(delete_window), inst); gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event", GTK_SIGNAL_FUNC(key_event), inst); gtk_signal_connect(GTK_OBJECT(inst->window), "key_release_event", GTK_SIGNAL_FUNC(key_event), inst); gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event", GTK_SIGNAL_FUNC(focus_event), inst); gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event", GTK_SIGNAL_FUNC(focus_event), inst); gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event", GTK_SIGNAL_FUNC(configure_area), inst); gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event", GTK_SIGNAL_FUNC(expose_area), inst); gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event", GTK_SIGNAL_FUNC(button_event), inst); gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event", GTK_SIGNAL_FUNC(button_event), inst); gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event", GTK_SIGNAL_FUNC(motion_event), inst); gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received", GTK_SIGNAL_FUNC(selection_received), inst); gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get", GTK_SIGNAL_FUNC(selection_get), inst); gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event", GTK_SIGNAL_FUNC(selection_clear), inst); if (cfg.scrollbar) gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed", GTK_SIGNAL_FUNC(scrollbar_moved), inst); gtk_timeout_add(20, timer_func, inst); gtk_widget_add_events(GTK_WIDGET(inst->area), GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK); gtk_widget_show(inst->area); if (cfg.scrollbar) gtk_widget_show(inst->sbar); gtk_widget_show(GTK_WIDGET(inst->hbox)); gtk_widget_show(inst->window); inst->textcursor = make_mouse_ptr(GDK_XTERM); inst->rawcursor = make_mouse_ptr(GDK_LEFT_PTR); inst->blankcursor = make_mouse_ptr(-1); make_mouse_ptr(-2); /* clean up cursor font */ inst->currcursor = inst->textcursor; show_mouseptr(1); back = &pty_backend; back->init(NULL, 0, NULL, 0); gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst); term_init(); term_size(cfg.height, cfg.width, cfg.savelines); gtk_main(); return 0; }