X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=putty%2FUNIX%2FGTKWIN.C;fp=putty%2FUNIX%2FGTKWIN.C;h=f2a13ae6f585542d62182d8e36bfe94cda173891;hb=3ffc348451c39c892fe62e4666808474a0e60dae;hp=0000000000000000000000000000000000000000;hpb=7a44bacac555b6892eb18fb3985acb35b49f0316;p=ffftp%2Fffftp.git diff --git a/putty/UNIX/GTKWIN.C b/putty/UNIX/GTKWIN.C new file mode 100644 index 0000000..f2a13ae --- /dev/null +++ b/putty/UNIX/GTKWIN.C @@ -0,0 +1,3645 @@ +/* + * gtkwin.c: the main code that runs a PuTTY terminal emulator and + * backend in a GTK window. + */ + +#define _GNU_SOURCE + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PUTTY_DO_GLOBALS /* actually _define_ globals */ + +#include "putty.h" +#include "terminal.h" +#include "gtkfont.h" + +#define CAT2(x,y) x ## y +#define CAT(x,y) CAT2(x,y) +#define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)} + +#if GTK_CHECK_VERSION(2,0,0) +ASSERT(sizeof(long) <= sizeof(gsize)); +#define LONG_TO_GPOINTER(l) GSIZE_TO_POINTER(l) +#define GPOINTER_TO_LONG(p) GPOINTER_TO_SIZE(p) +#else /* Gtk 1.2 */ +ASSERT(sizeof(long) <= sizeof(gpointer)); +#define LONG_TO_GPOINTER(l) ((gpointer)(long)(l)) +#define GPOINTER_TO_LONG(p) ((long)(p)) +#endif + +/* Colours come in two flavours: configurable, and xterm-extended. */ +#define NCFGCOLOURS (lenof(((Config *)0)->colours)) +#define NEXTCOLOURS 240 /* 216 colour-cube plus 24 shades of grey */ +#define NALLCOLOURS (NCFGCOLOURS + NEXTCOLOURS) + +GdkAtom compound_text_atom, utf8_string_atom; + +extern char **pty_argv; /* declared in pty.c */ +extern int use_pty_argv; + +/* + * Timers are global across all sessions (even if we were handling + * multiple sessions, which we aren't), so the current timer ID is + * a global variable. + */ +static guint timer_id = 0; + +struct gui_data { + GtkWidget *window, *area, *sbar; + GtkBox *hbox; + GtkAdjustment *sbar_adjust; + GtkWidget *menu, *specialsmenu, *specialsitem1, *specialsitem2, + *restartitem; + GtkWidget *sessionsmenu; + GdkPixmap *pixmap; + unifont *fonts[4]; /* normal, bold, wide, widebold */ + int xpos, ypos, gotpos, gravity; + GdkCursor *rawcursor, *textcursor, *blankcursor, *waitcursor, *currcursor; + GdkColor cols[NALLCOLOURS]; + GdkColormap *colmap; + wchar_t *pastein_data; + int direct_to_font; + int pastein_data_len; + char *pasteout_data, *pasteout_data_ctext, *pasteout_data_utf8; + int pasteout_data_len, pasteout_data_ctext_len, pasteout_data_utf8_len; + int font_width, font_height; + int width, height; + int ignore_sbar; + int mouseptr_visible; + int busy_status; + guint term_paste_idle_id; + guint term_exit_idle_id; + int alt_keycode; + int alt_digits; + char wintitle[sizeof(((Config *)0)->wintitle)]; + char icontitle[sizeof(((Config *)0)->wintitle)]; + int master_fd, master_func_id; + void *ldisc; + Backend *back; + void *backhandle; + Terminal *term; + void *logctx; + int exited; + struct unicode_data ucsdata; + Config cfg; + void *eventlogstuff; + char *progname, **gtkargvstart; + int ngtkargs; + guint32 input_event_time; /* Timestamp of the most recent input event. */ + int reconfiguring; +}; + +struct draw_ctx { + GdkGC *gc; + struct gui_data *inst; +}; + +static int send_raw_mouse; + +static char *app_name = "pterm"; + +static void start_backend(struct gui_data *inst); + +char *x_get_default(const char *key) +{ + return XGetDefault(GDK_DISPLAY(), app_name, key); +} + +void connection_fatal(void *frontend, char *p, ...) +{ + struct gui_data *inst = (struct gui_data *)frontend; + + va_list ap; + char *msg; + va_start(ap, p); + msg = dupvprintf(p, ap); + va_end(ap); + inst->exited = TRUE; + fatal_message_box(inst->window, msg); + sfree(msg); + if (inst->cfg.close_on_exit == FORCE_ON) + cleanup_exit(1); +} + +/* + * Default settings that are specific to pterm. + */ +FontSpec platform_default_fontspec(const char *name) +{ + FontSpec ret; + if (!strcmp(name, "Font")) + strcpy(ret.name, "server:fixed"); + else + *ret.name = '\0'; + return ret; +} + +Filename platform_default_filename(const char *name) +{ + Filename ret; + if (!strcmp(name, "LogFileName")) + strcpy(ret.path, "putty.log"); + else + *ret.path = '\0'; + return ret; +} + +char *platform_default_s(const char *name) +{ + if (!strcmp(name, "SerialLine")) + return dupstr("/dev/ttyS0"); + return NULL; +} + +int platform_default_i(const char *name, int def) +{ + if (!strcmp(name, "CloseOnExit")) + return 2; /* maps to FORCE_ON after painful rearrangement :-( */ + if (!strcmp(name, "WinNameAlways")) + return 0; /* X natively supports icon titles, so use 'em by default */ + return def; +} + +/* Dummy routine, only required in plink. */ +void ldisc_update(void *frontend, int echo, int edit) +{ +} + +char *get_ttymode(void *frontend, const char *mode) +{ + struct gui_data *inst = (struct gui_data *)frontend; + return term_get_ttymode(inst->term, mode); +} + +int from_backend(void *frontend, int is_stderr, const char *data, int len) +{ + struct gui_data *inst = (struct gui_data *)frontend; + return term_data(inst->term, is_stderr, data, len); +} + +int from_backend_untrusted(void *frontend, const char *data, int len) +{ + struct gui_data *inst = (struct gui_data *)frontend; + return term_data_untrusted(inst->term, data, len); +} + +int get_userpass_input(prompts_t *p, unsigned char *in, int inlen) +{ + struct gui_data *inst = (struct gui_data *)p->frontend; + int ret; + ret = cmdline_get_passwd_input(p, in, inlen); + if (ret == -1) + ret = term_get_userpass_input(inst->term, p, in, inlen); + return ret; +} + +void logevent(void *frontend, const char *string) +{ + struct gui_data *inst = (struct gui_data *)frontend; + + log_eventlog(inst->logctx, string); + + logevent_dlg(inst->eventlogstuff, string); +} + +int font_dimension(void *frontend, int which)/* 0 for width, 1 for height */ +{ + struct gui_data *inst = (struct gui_data *)frontend; + + 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. + */ +static Mouse_Button translate_button(Mouse_Button button) +{ + /* struct gui_data *inst = (struct gui_data *)frontend; */ + + 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 */ +} + +/* + * Return the top-level GtkWindow associated with a particular + * front end instance. + */ +void *get_window(void *frontend) +{ + struct gui_data *inst = (struct gui_data *)frontend; + return inst->window; +} + +/* + * Minimise or restore the window in response to a server-side + * request. + */ +void set_iconic(void *frontend, int iconic) +{ + /* + * GTK 1.2 doesn't know how to do this. + */ +#if GTK_CHECK_VERSION(2,0,0) + struct gui_data *inst = (struct gui_data *)frontend; + 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(void *frontend, int x, int y) +{ + struct gui_data *inst = (struct gui_data *)frontend; + /* + * 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(void *frontend, int top) +{ + struct gui_data *inst = (struct gui_data *)frontend; + 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 *frontend) +{ + struct gui_data *inst = (struct gui_data *)frontend; + term_invalidate(inst->term); +} + +/* + * Maximise or restore the window in response to a server-side + * request. + */ +void set_zoomed(void *frontend, int zoomed) +{ + /* + * GTK 1.2 doesn't know how to do this. + */ +#if GTK_CHECK_VERSION(2,0,0) + struct gui_data *inst = (struct gui_data *)frontend; + if (zoomed) + 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 *frontend) +{ + struct gui_data *inst = (struct gui_data *)frontend; + return !gdk_window_is_viewable(inst->window->window); +} + +/* + * Report the window's position, for terminal reports. + */ +void get_window_pos(void *frontend, int *x, int *y) +{ + struct gui_data *inst = (struct gui_data *)frontend; + /* + * 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(void *frontend, int *x, int *y) +{ + struct gui_data *inst = (struct gui_data *)frontend; + /* + * 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(void *frontend, int icon) +{ + struct gui_data *inst = (struct gui_data *)frontend; + return icon ? inst->icontitle : inst->wintitle; +} + +gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + if (!inst->exited && inst->cfg.warn_on_close) { + if (!reallyclose(inst)) + return TRUE; + } + return FALSE; +} + +static void update_mouseptr(struct gui_data *inst) +{ + switch (inst->busy_status) { + case BUSY_NOT: + if (!inst->mouseptr_visible) { + gdk_window_set_cursor(inst->area->window, inst->blankcursor); + } else if (send_raw_mouse) { + gdk_window_set_cursor(inst->area->window, inst->rawcursor); + } else { + gdk_window_set_cursor(inst->area->window, inst->textcursor); + } + break; + case BUSY_WAITING: /* XXX can we do better? */ + case BUSY_CPU: + /* We always display these cursors. */ + gdk_window_set_cursor(inst->area->window, inst->waitcursor); + break; + default: + assert(0); + } +} + +static void show_mouseptr(struct gui_data *inst, int show) +{ + if (!inst->cfg.hide_mouseptr) + show = 1; + inst->mouseptr_visible = show; + update_mouseptr(inst); +} + +void draw_backing_rect(struct gui_data *inst) +{ + GdkGC *gc = gdk_gc_new(inst->area->window); + gdk_gc_set_foreground(gc, &inst->cols[258]); /* default background */ + gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0, + inst->cfg.width * inst->font_width + 2*inst->cfg.window_border, + inst->cfg.height * inst->font_height + 2*inst->cfg.window_border); + gdk_gc_unref(gc); +} + +gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + int w, h, need_size = 0; + + /* + * See if the terminal size has changed, in which case we must + * let the terminal know. + */ + w = (event->width - 2*inst->cfg.window_border) / inst->font_width; + h = (event->height - 2*inst->cfg.window_border) / inst->font_height; + if (w != inst->width || h != inst->height) { + inst->cfg.width = inst->width = w; + inst->cfg.height = inst->height = h; + need_size = 1; + } + + if (inst->pixmap) { + gdk_pixmap_unref(inst->pixmap); + inst->pixmap = NULL; + } + + inst->pixmap = gdk_pixmap_new(widget->window, + (inst->cfg.width * inst->font_width + + 2*inst->cfg.window_border), + (inst->cfg.height * inst->font_height + + 2*inst->cfg.window_border), -1); + + draw_backing_rect(inst); + + if (need_size && inst->term) { + term_size(inst->term, h, w, inst->cfg.savelines); + } + + if (inst->term) + term_invalidate(inst->term); + + 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[256]; + wchar_t ucsoutput[2]; + int ucsval, start, end, special, output_charset, use_ucsoutput; + + /* Remember the timestamp. */ + inst->input_event_time = event->time; + + /* By default, nothing is generated. */ + end = start = 0; + special = use_ucsoutput = FALSE; + output_charset = CS_ISO8859_1; + + /* + * If Alt is being released after typing an Alt+numberpad + * sequence, we should generate the code that was typed. + * + * Note that we only do this if more than one key was actually + * pressed - I don't think Alt+NumPad4 should be ^D or that + * Alt+NumPad3 should be ^C, for example. There's no serious + * inconvenience in having to type a zero before a single-digit + * character code. + */ + 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 && inst->alt_digits > 1) { +#ifdef KEY_DEBUGGING + printf("Alt key up, keycode = %d\n", inst->alt_keycode); +#endif + /* + * FIXME: we might usefully try to do something clever here + * about interpreting the generated key code in a way that's + * appropriate to the line code page. + */ + 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; + inst->alt_digits = 0; + 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; + inst->alt_digits++; +#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(inst->term, 0, -inst->cfg.height/2); + return TRUE; + } + if (event->keyval == GDK_Page_Up && (event->state & GDK_CONTROL_MASK)) { + term_scroll(inst->term, 0, -1); + return TRUE; + } + if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) { + term_scroll(inst->term, 0, +inst->cfg.height/2); + return TRUE; + } + if (event->keyval == GDK_Page_Down && (event->state & GDK_CONTROL_MASK)) { + term_scroll(inst->term, 0, +1); + return TRUE; + } + + /* + * Neither does Shift-Ins. + */ + if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) { + request_paste(inst); + return TRUE; + } + + special = FALSE; + use_ucsoutput = FALSE; + + /* ALT+things gives leading Escape. */ + output[0] = '\033'; +#if !GTK_CHECK_VERSION(2,0,0) + /* + * In vanilla X, and hence also GDK 1.2, the string received + * as part of a keyboard event is assumed to be in + * ISO-8859-1. (Seems woefully shortsighted in i18n terms, + * but it's true: see the man page for XLookupString(3) for + * confirmation.) + */ + output_charset = CS_ISO8859_1; + strncpy(output+1, event->string, lenof(output)-1); +#else + /* + * GDK 2.0 arranges to have done some translation for us: in + * GDK 2.0, event->string is encoded in the current locale. + * + * (However, it's also deprecated; we really ought to be + * using a GTKIMContext.) + * + * So we use the standard C library function mbstowcs() to + * convert from the current locale into Unicode; from there + * we can convert to whatever PuTTY is currently working in. + * (In fact I convert straight back to UTF-8 from + * wide-character Unicode, for the sake of simplicity: that + * way we can still use exactly the same code to manipulate + * the string, such as prefixing ESC.) + */ + output_charset = CS_UTF8; + { + wchar_t widedata[32], *wp; + int wlen; + int ulen; + + wlen = mb_to_wc(DEFAULT_CODEPAGE, 0, + event->string, strlen(event->string), + widedata, lenof(widedata)-1); + + wp = widedata; + ulen = charset_from_unicode(&wp, &wlen, output+1, lenof(output)-2, + CS_UTF8, NULL, NULL, 0); + output[1+ulen] = '\0'; + } +#endif + + if (!output[1] && + (ucsval = keysym_to_unicode(event->keyval)) >= 0) { + ucsoutput[0] = '\033'; + ucsoutput[1] = ucsval; + use_ucsoutput = TRUE; + end = 2; + } else { + output[lenof(output)-1] = '\0'; + end = strlen(output); + } + if (event->state & GDK_MOD1_MASK) { + start = 0; + if (end == 1) end = 0; + } else + start = 1; + + /* Control-` is the same as Control-\ (unless gtk has a better idea) */ + if (!output[1] && event->keyval == '`' && + (event->state & GDK_CONTROL_MASK)) { + output[1] = '\x1C'; + use_ucsoutput = FALSE; + end = 2; + } + + /* Control-Break sends a Break special to the backend */ + if (event->keyval == GDK_Break && + (event->state & GDK_CONTROL_MASK)) { + if (inst->back) + inst->back->special(inst->backhandle, TS_BRK); + return TRUE; + } + + /* We handle Return ourselves, because it needs to be flagged as + * special to ldisc. */ + if (event->keyval == GDK_Return) { + output[1] = '\015'; + use_ucsoutput = FALSE; + end = 2; + special = TRUE; + } + + /* Control-2, Control-Space and Control-@ are NUL */ + if (!output[1] && + (event->keyval == ' ' || event->keyval == '2' || + event->keyval == '@') && + (event->state & (GDK_SHIFT_MASK | + GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) { + output[1] = '\0'; + use_ucsoutput = FALSE; + end = 2; + } + + /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */ + if (!output[1] && event->keyval == ' ' && + (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) == + (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) { + output[1] = '\240'; + output_charset = CS_ISO8859_1; + use_ucsoutput = FALSE; + 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] = inst->cfg.bksp_is_delete ? '\x7F' : '\x08'; + use_ucsoutput = FALSE; + end = 2; + special = TRUE; + } + /* For Shift Backspace, do opposite of what is configured. */ + if (event->keyval == GDK_BackSpace && + (event->state & GDK_SHIFT_MASK)) { + output[1] = inst->cfg.bksp_is_delete ? '\x08' : '\x7F'; + use_ucsoutput = FALSE; + end = 2; + special = TRUE; + } + + /* 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"); + use_ucsoutput = FALSE; + } + /* And normal Tab is Tab, if the keymap hasn't already told us. + * (Curiously, at least one version of the MacOS 10.5 X server + * doesn't translate Tab for us. */ + if (event->keyval == GDK_Tab && end <= 1) { + output[1] = '\t'; + end = 2; + } + + /* + * NetHack keypad mode. + */ + if (inst->cfg.nethack_keypad) { + char *keys = NULL; + switch (event->keyval) { + case GDK_KP_1: case GDK_KP_End: keys = "bB\002"; break; + case GDK_KP_2: case GDK_KP_Down: keys = "jJ\012"; break; + case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN\016"; break; + case GDK_KP_4: case GDK_KP_Left: keys = "hH\010"; break; + case GDK_KP_5: case GDK_KP_Begin: keys = "..."; break; + case GDK_KP_6: case GDK_KP_Right: keys = "lL\014"; break; + case GDK_KP_7: case GDK_KP_Home: keys = "yY\031"; break; + case GDK_KP_8: case GDK_KP_Up: keys = "kK\013"; break; + case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU\025"; break; + } + if (keys) { + end = 2; + if (event->state & GDK_CONTROL_MASK) + output[1] = keys[2]; + else if (event->state & GDK_SHIFT_MASK) + output[1] = keys[1]; + else + output[1] = keys[0]; + use_ucsoutput = FALSE; + goto done; + } + } + + /* + * Application keypad mode. + */ + if (inst->term->app_keypad_keys && !inst->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 (inst->cfg.funky_type == FUNKY_XTERM) { + 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 (inst->term->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); + use_ucsoutput = FALSE; + 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 (inst->cfg.funky_type == FUNKY_VT400 && code <= 6) + code = "\0\2\1\4\5\3\6"[code]; + + if (inst->term->vt52_mode && code > 0 && code <= 6) { + end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]); + use_ucsoutput = FALSE; + goto done; + } + + if (inst->cfg.funky_type == FUNKY_SCO && /* 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]); + use_ucsoutput = FALSE; + goto done; + } + if (inst->cfg.funky_type == FUNKY_SCO && /* 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]); + } + use_ucsoutput = FALSE; + goto done; + } + if ((inst->term->vt52_mode || inst->cfg.funky_type == FUNKY_VT100P) && + code >= 11 && code <= 24) { + int offt = 0; + if (code > 15) + offt++; + if (code > 21) + offt++; + if (inst->term->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); + use_ucsoutput = FALSE; + goto done; + } + if (inst->cfg.funky_type == FUNKY_LINUX && code >= 11 && code <= 15) { + end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11); + use_ucsoutput = FALSE; + goto done; + } + if (inst->cfg.funky_type == FUNKY_XTERM && code >= 11 && code <= 14) { + if (inst->term->vt52_mode) + end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11); + else + end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11); + use_ucsoutput = FALSE; + goto done; + } + if (inst->cfg.rxvt_homeend && (code == 1 || code == 4)) { + end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw"); + use_ucsoutput = FALSE; + goto done; + } + if (code) { + end = 1 + sprintf(output+1, "\x1B[%d~", code); + use_ucsoutput = FALSE; + 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) { + end = 1 + format_arrow_key(output+1, inst->term, xkey, + event->state & GDK_CONTROL_MASK); + use_ucsoutput = FALSE; + 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 + + if (special) { + /* + * For special control characters, the character set + * should never matter. + */ + output[end] = '\0'; /* NUL-terminate */ + if (inst->ldisc) + ldisc_send(inst->ldisc, output+start, -2, 1); + } else if (!inst->direct_to_font) { + if (!use_ucsoutput) { + if (inst->ldisc) + lpage_send(inst->ldisc, output_charset, output+start, + end-start, 1); + } else { + /* + * We generated our own Unicode key data from the + * keysym, so use that instead. + */ + if (inst->ldisc) + luni_send(inst->ldisc, ucsoutput+start, end-start, 1); + } + } else { + /* + * In direct-to-font mode, we just send the string + * exactly as we received it. + */ + if (inst->ldisc) + ldisc_send(inst->ldisc, output+start, end-start, 1); + } + + show_mouseptr(inst, 0); + term_seen_key_event(inst->term); + } + + return TRUE; +} + +gboolean button_internal(struct gui_data *inst, guint32 timestamp, + GdkEventType type, guint ebutton, guint state, + gdouble ex, gdouble ey) +{ + int shift, ctrl, alt, x, y, button, act; + + /* Remember the timestamp. */ + inst->input_event_time = timestamp; + + show_mouseptr(inst, 1); + + if (ebutton == 4 && type == GDK_BUTTON_PRESS) { + term_scroll(inst->term, 0, -5); + return TRUE; + } + if (ebutton == 5 && type == GDK_BUTTON_PRESS) { + term_scroll(inst->term, 0, +5); + return TRUE; + } + + shift = state & GDK_SHIFT_MASK; + ctrl = state & GDK_CONTROL_MASK; + alt = state & GDK_MOD1_MASK; + + if (ebutton == 3 && ctrl) { + gtk_menu_popup(GTK_MENU(inst->menu), NULL, NULL, NULL, NULL, + ebutton, timestamp); + return TRUE; + } + + if (ebutton == 1) + button = MBT_LEFT; + else if (ebutton == 2) + button = MBT_MIDDLE; + else if (ebutton == 3) + button = MBT_RIGHT; + else + return FALSE; /* don't even know what button! */ + + switch (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 && !(inst->cfg.mouse_override && shift) && + act != MA_CLICK && act != MA_RELEASE) + return TRUE; /* we ignore these in raw mouse mode */ + + x = (ex - inst->cfg.window_border) / inst->font_width; + y = (ey - inst->cfg.window_border) / inst->font_height; + + term_mouse(inst->term, button, translate_button(button), act, + x, y, shift, ctrl, alt); + + return TRUE; +} + +gboolean button_event(GtkWidget *widget, GdkEventButton *event, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + return button_internal(inst, event->time, event->type, event->button, + event->state, event->x, event->y); +} + +#if GTK_CHECK_VERSION(2,0,0) +/* + * In GTK 2, mouse wheel events have become a new type of event. + * This handler translates them back into button-4 and button-5 + * presses so that I don't have to change my old code too much :-) + */ +gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + guint button; + + if (event->direction == GDK_SCROLL_UP) + button = 4; + else if (event->direction == GDK_SCROLL_DOWN) + button = 5; + else + return FALSE; + + return button_internal(inst, event->time, GDK_BUTTON_PRESS, + button, event->state, event->x, event->y); +} +#endif + +gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + int shift, ctrl, alt, x, y, button; + + /* Remember the timestamp. */ + inst->input_event_time = event->time; + + show_mouseptr(inst, 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 - inst->cfg.window_border) / inst->font_width; + y = (event->y - inst->cfg.window_border) / inst->font_height; + + term_mouse(inst->term, button, translate_button(button), MA_DRAG, + x, y, shift, ctrl, alt); + + return TRUE; +} + +void frontend_keypress(void *handle) +{ + struct gui_data *inst = (struct gui_data *)handle; + + /* + * If our child process has exited but not closed, terminate on + * any keypress. + */ + if (inst->exited) + exit(0); +} + +static gint idle_exit_func(gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + int exitcode; + + if (!inst->exited && + (exitcode = inst->back->exitcode(inst->backhandle)) >= 0) { + inst->exited = TRUE; + if (inst->cfg.close_on_exit == FORCE_ON || + (inst->cfg.close_on_exit == AUTO && exitcode == 0)) + gtk_main_quit(); /* just go */ + if (inst->ldisc) { + ldisc_free(inst->ldisc); + inst->ldisc = NULL; + } + if (inst->back) { + inst->back->free(inst->backhandle); + inst->backhandle = NULL; + inst->back = NULL; + term_provide_resize_fn(inst->term, NULL, NULL); + update_specials_menu(inst); + } + gtk_widget_set_sensitive(inst->restartitem, TRUE); + } + + gtk_idle_remove(inst->term_exit_idle_id); + return TRUE; +} + +void notify_remote_exit(void *frontend) +{ + struct gui_data *inst = (struct gui_data *)frontend; + + inst->term_exit_idle_id = gtk_idle_add(idle_exit_func, inst); +} + +static gint timer_trigger(gpointer data) +{ + long now = GPOINTER_TO_LONG(data); + long next; + long ticks; + + if (run_timers(now, &next)) { + ticks = next - GETTICKCOUNT(); + timer_id = gtk_timeout_add(ticks > 0 ? ticks : 1, timer_trigger, + LONG_TO_GPOINTER(next)); + } + + /* + * Never let a timer resume. If we need another one, we've + * asked for it explicitly above. + */ + return FALSE; +} + +void timer_change_notify(long next) +{ + long ticks; + + if (timer_id) + gtk_timeout_remove(timer_id); + + ticks = next - GETTICKCOUNT(); + if (ticks <= 0) + ticks = 1; /* just in case */ + + timer_id = gtk_timeout_add(ticks, timer_trigger, + LONG_TO_GPOINTER(next)); +} + +void fd_input_func(gpointer data, gint sourcefd, GdkInputCondition condition) +{ + /* + * We must process exceptional notifications before ordinary + * readability ones, or we may go straight past the urgent + * marker. + */ + if (condition & GDK_INPUT_EXCEPTION) + select_result(sourcefd, 4); + if (condition & GDK_INPUT_READ) + select_result(sourcefd, 1); + if (condition & GDK_INPUT_WRITE) + select_result(sourcefd, 2); +} + +void destroy(GtkWidget *widget, gpointer data) +{ + gtk_main_quit(); +} + +gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + term_set_focus(inst->term, event->in); + term_update(inst->term); + show_mouseptr(inst, 1); + return FALSE; +} + +void set_busy_status(void *frontend, int status) +{ + struct gui_data *inst = (struct gui_data *)frontend; + inst->busy_status = status; + update_mouseptr(inst); +} + +/* + * set or clear the "raw mouse message" mode + */ +void set_raw_mouse_mode(void *frontend, int activate) +{ + struct gui_data *inst = (struct gui_data *)frontend; + activate = activate && !inst->cfg.no_mouse_rep; + send_raw_mouse = activate; + update_mouseptr(inst); +} + +void request_resize(void *frontend, int w, int h) +{ + struct gui_data *inst = (struct gui_data *)frontend; + 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(inst, &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*inst->cfg.window_border; + area_y = inst->font_height * h + 2*inst->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); + gtk_window_resize(GTK_WINDOW(inst->window), + area_x + offset_x, area_y + offset_y); +#else + gtk_widget_set_usize(inst->area, area_x, area_y); + gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), area_x, area_y); + /* + * I can no longer remember what this call to + * gtk_container_dequeue_resize_handler is for. It was + * introduced in r3092 with no comment, and the commit log + * message was uninformative. I'm _guessing_ its purpose is to + * prevent gratuitous resize processing on the window given + * that we're about to resize it anyway, but I have no idea + * why that's so incredibly vital. + * + * I've tried removing the call, and nothing seems to go + * wrong. I've backtracked to r3092 and tried removing the + * call there, and still nothing goes wrong. So I'm going to + * adopt the working hypothesis that it's superfluous; I won't + * actually remove it from the GTK 1.2 code, but I won't + * attempt to replicate its functionality in the GTK 2 code + * above. + */ + gtk_container_dequeue_resize_handler(GTK_CONTAINER(inst->window)); + gdk_window_resize(inst->window->window, + area_x + offset_x, area_y + offset_y); +#endif +} + +static void real_palette_set(struct gui_data *inst, 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_free_colors(inst->colmap, inst->cols + n, 1); + gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1, + FALSE, TRUE, success); + if (!success[0]) + g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n", appname, + n, r, g, b); +} + +void set_window_background(struct gui_data *inst) +{ + if (inst->area && inst->area->window) + gdk_window_set_background(inst->area->window, &inst->cols[258]); + if (inst->window && inst->window->window) + gdk_window_set_background(inst->window->window, &inst->cols[258]); +} + +void palette_set(void *frontend, int n, int r, int g, int b) +{ + struct gui_data *inst = (struct gui_data *)frontend; + if (n >= 16) + n += 256 - 16; + if (n > NALLCOLOURS) + return; + real_palette_set(inst, n, r, g, b); + if (n == 258) { + /* Default Background changed. Ensure space between text area and + * window border is redrawn */ + set_window_background(inst); + draw_backing_rect(inst); + gtk_widget_queue_draw(inst->area); + } +} + +void palette_reset(void *frontend) +{ + struct gui_data *inst = (struct gui_data *)frontend; + /* This maps colour indices in inst->cfg to those used in inst->cols. */ + static const int ww[] = { + 256, 257, 258, 259, 260, 261, + 0, 8, 1, 9, 2, 10, 3, 11, + 4, 12, 5, 13, 6, 14, 7, 15 + }; + gboolean success[NALLCOLOURS]; + int i; + + assert(lenof(ww) == NCFGCOLOURS); + + if (!inst->colmap) { + inst->colmap = gdk_colormap_get_system(); + } else { + gdk_colormap_free_colors(inst->colmap, inst->cols, NALLCOLOURS); + } + + for (i = 0; i < NCFGCOLOURS; i++) { + inst->cols[ww[i]].red = inst->cfg.colours[i][0] * 0x0101; + inst->cols[ww[i]].green = inst->cfg.colours[i][1] * 0x0101; + inst->cols[ww[i]].blue = inst->cfg.colours[i][2] * 0x0101; + } + + for (i = 0; i < NEXTCOLOURS; i++) { + if (i < 216) { + int r = i / 36, g = (i / 6) % 6, b = i % 6; + inst->cols[i+16].red = r ? r * 0x2828 + 0x3737 : 0; + inst->cols[i+16].green = g ? g * 0x2828 + 0x3737 : 0; + inst->cols[i+16].blue = b ? b * 0x2828 + 0x3737 : 0; + } else { + int shade = i - 216; + shade = shade * 0x0a0a + 0x0808; + inst->cols[i+16].red = inst->cols[i+16].green = + inst->cols[i+16].blue = shade; + } + } + + gdk_colormap_alloc_colors(inst->colmap, inst->cols, NALLCOLOURS, + FALSE, TRUE, success); + for (i = 0; i < NALLCOLOURS; i++) { + if (!success[i]) + g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n", + appname, i, inst->cfg.colours[i][0], + inst->cfg.colours[i][1], inst->cfg.colours[i][2]); + } + + /* Since Default Background may have changed, ensure that space + * between text area and window border is refreshed. */ + set_window_background(inst); + if (inst->area && inst->area->window) { + draw_backing_rect(inst); + gtk_widget_queue_draw(inst->area); + } +} + +/* Ensure that all the cut buffers exist - according to the ICCCM, we must + * do this before we start using cut buffers. + */ +void init_cutbuffers() +{ + unsigned char empty[] = ""; + XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), + XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0); + XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), + XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0); + XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), + XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0); + XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), + XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0); + XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), + XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0); + XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), + XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0); + XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), + XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0); + XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), + XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0); +} + +/* Store the data in a cut-buffer. */ +void store_cutbuffer(char * ptr, int len) +{ + /* ICCCM says we must rotate the buffers before storing to buffer 0. */ + XRotateBuffers(GDK_DISPLAY(), 1); + XStoreBytes(GDK_DISPLAY(), ptr, len); +} + +/* Retrieve data from a cut-buffer. + * Returned data needs to be freed with XFree(). + */ +char * retrieve_cutbuffer(int * nbytes) +{ + char * ptr; + ptr = XFetchBytes(GDK_DISPLAY(), nbytes); + if (*nbytes <= 0 && ptr != 0) { + XFree(ptr); + ptr = 0; + } + return ptr; +} + +void write_clip(void *frontend, wchar_t * data, int *attr, int len, int must_deselect) +{ + struct gui_data *inst = (struct gui_data *)frontend; + if (inst->pasteout_data) + sfree(inst->pasteout_data); + if (inst->pasteout_data_ctext) + sfree(inst->pasteout_data_ctext); + if (inst->pasteout_data_utf8) + sfree(inst->pasteout_data_utf8); + + /* + * Set up UTF-8 and compound text paste data. This only happens + * if we aren't in direct-to-font mode using the D800 hack. + */ + if (!inst->direct_to_font) { + wchar_t *tmp = data; + int tmplen = len; + XTextProperty tp; + char *list[1]; + + inst->pasteout_data_utf8 = snewn(len*6, char); + inst->pasteout_data_utf8_len = len*6; + inst->pasteout_data_utf8_len = + charset_from_unicode(&tmp, &tmplen, inst->pasteout_data_utf8, + inst->pasteout_data_utf8_len, + CS_UTF8, NULL, NULL, 0); + if (inst->pasteout_data_utf8_len == 0) { + sfree(inst->pasteout_data_utf8); + inst->pasteout_data_utf8 = NULL; + } else { + inst->pasteout_data_utf8 = + sresize(inst->pasteout_data_utf8, + inst->pasteout_data_utf8_len + 1, char); + inst->pasteout_data_utf8[inst->pasteout_data_utf8_len] = '\0'; + } + + /* + * Now let Xlib convert our UTF-8 data into compound text. + */ + list[0] = inst->pasteout_data_utf8; + if (Xutf8TextListToTextProperty(GDK_DISPLAY(), list, 1, + XCompoundTextStyle, &tp) == 0) { + inst->pasteout_data_ctext = snewn(tp.nitems+1, char); + memcpy(inst->pasteout_data_ctext, tp.value, tp.nitems); + inst->pasteout_data_ctext_len = tp.nitems; + XFree(tp.value); + } else { + inst->pasteout_data_ctext = NULL; + inst->pasteout_data_ctext_len = 0; + } + } else { + inst->pasteout_data_utf8 = NULL; + inst->pasteout_data_utf8_len = 0; + inst->pasteout_data_ctext = NULL; + inst->pasteout_data_ctext_len = 0; + } + + inst->pasteout_data = snewn(len*6, char); + inst->pasteout_data_len = len*6; + inst->pasteout_data_len = wc_to_mb(inst->ucsdata.line_codepage, 0, + data, len, inst->pasteout_data, + inst->pasteout_data_len, + NULL, NULL, NULL); + if (inst->pasteout_data_len == 0) { + sfree(inst->pasteout_data); + inst->pasteout_data = NULL; + } else { + inst->pasteout_data = + sresize(inst->pasteout_data, inst->pasteout_data_len, char); + } + + store_cutbuffer(inst->pasteout_data, inst->pasteout_data_len); + + if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY, + inst->input_event_time)) { +#if GTK_CHECK_VERSION(2,0,0) + gtk_selection_clear_targets(inst->area, GDK_SELECTION_PRIMARY); +#endif + gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, + GDK_SELECTION_TYPE_STRING, 1); + if (inst->pasteout_data_ctext) + gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, + compound_text_atom, 1); + if (inst->pasteout_data_utf8) + gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, + utf8_string_atom, 1); + } + + if (must_deselect) + term_deselect(inst->term); +} + +void selection_get(GtkWidget *widget, GtkSelectionData *seldata, + guint info, guint time_stamp, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + if (seldata->target == utf8_string_atom) + gtk_selection_data_set(seldata, seldata->target, 8, + (unsigned char *)inst->pasteout_data_utf8, + inst->pasteout_data_utf8_len); + else if (seldata->target == compound_text_atom) + gtk_selection_data_set(seldata, seldata->target, 8, + (unsigned char *)inst->pasteout_data_ctext, + inst->pasteout_data_ctext_len); + else + gtk_selection_data_set(seldata, seldata->target, 8, + (unsigned char *)inst->pasteout_data, + inst->pasteout_data_len); +} + +gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata, + gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + + term_deselect(inst->term); + if (inst->pasteout_data) + sfree(inst->pasteout_data); + if (inst->pasteout_data_ctext) + sfree(inst->pasteout_data_ctext); + if (inst->pasteout_data_utf8) + sfree(inst->pasteout_data_utf8); + inst->pasteout_data = NULL; + inst->pasteout_data_len = 0; + inst->pasteout_data_ctext = NULL; + inst->pasteout_data_ctext_len = 0; + inst->pasteout_data_utf8 = NULL; + inst->pasteout_data_utf8_len = 0; + return TRUE; +} + +void request_paste(void *frontend) +{ + struct gui_data *inst = (struct gui_data *)frontend; + /* + * 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(). + */ + + if (!inst->direct_to_font) { + /* + * First we attempt to retrieve the selection as a UTF-8 + * string (which we will convert to the correct code page + * before sending to the session, of course). If that + * fails, selection_received() will be informed and will + * fall back to an ordinary string. + */ + gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY, + utf8_string_atom, + inst->input_event_time); + } else { + /* + * If we're in direct-to-font mode, we disable UTF-8 + * pasting, and go straight to ordinary string data. + */ + gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY, + GDK_SELECTION_TYPE_STRING, + inst->input_event_time); + } +} + +gint idle_paste_func(gpointer data); /* forward ref */ + +void selection_received(GtkWidget *widget, GtkSelectionData *seldata, + guint time, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + XTextProperty tp; + char **list; + char *text; + int length, count, ret; + int free_list_required = 0; + int free_required = 0; + int charset; + + if (seldata->target == utf8_string_atom && seldata->length <= 0) { + /* + * Failed to get a UTF-8 selection string. Try compound + * text next. + */ + gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY, + compound_text_atom, + inst->input_event_time); + return; + } + + if (seldata->target == compound_text_atom && seldata->length <= 0) { + /* + * Failed to get UTF-8 or compound text. Try an ordinary + * string. + */ + gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY, + GDK_SELECTION_TYPE_STRING, + inst->input_event_time); + return; + } + + /* + * If we have data, but it's not of a type we can deal with, + * we have to ignore the data. + */ + if (seldata->length > 0 && + seldata->type != GDK_SELECTION_TYPE_STRING && + seldata->type != compound_text_atom && + seldata->type != utf8_string_atom) + return; + + /* + * If we have no data, try looking in a cut buffer. + */ + if (seldata->length <= 0) { + text = retrieve_cutbuffer(&length); + if (length == 0) + return; + /* Xterm is rumoured to expect Latin-1, though I havn't checked the + * source, so use that as a de-facto standard. */ + charset = CS_ISO8859_1; + free_required = 1; + } else { + /* + * Convert COMPOUND_TEXT into UTF-8. + */ + if (seldata->type == compound_text_atom) { + tp.value = seldata->data; + tp.encoding = (Atom) seldata->type; + tp.format = seldata->format; + tp.nitems = seldata->length; + ret = Xutf8TextPropertyToTextList(GDK_DISPLAY(), &tp, + &list, &count); + if (ret != 0 || count != 1) { + /* + * Compound text failed; fall back to STRING. + */ + gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY, + GDK_SELECTION_TYPE_STRING, + inst->input_event_time); + return; + } + text = list[0]; + length = strlen(list[0]); + charset = CS_UTF8; + free_list_required = 1; + } else { + text = (char *)seldata->data; + length = seldata->length; + charset = (seldata->type == utf8_string_atom ? + CS_UTF8 : inst->ucsdata.line_codepage); + } + } + + if (inst->pastein_data) + sfree(inst->pastein_data); + + inst->pastein_data = snewn(length, wchar_t); + inst->pastein_data_len = length; + inst->pastein_data_len = + mb_to_wc(charset, 0, text, length, + inst->pastein_data, inst->pastein_data_len); + + term_do_paste(inst->term); + + if (term_paste_pending(inst->term)) + inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst); + + if (free_list_required) + XFreeStringList(list); + if (free_required) + XFree(text); +} + +gint idle_paste_func(gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + + if (term_paste_pending(inst->term)) + term_paste(inst->term); + else + gtk_idle_remove(inst->term_paste_idle_id); + + return TRUE; +} + + +void get_clip(void *frontend, wchar_t ** p, int *len) +{ + struct gui_data *inst = (struct gui_data *)frontend; + + if (p) { + *p = inst->pastein_data; + *len = inst->pastein_data_len; + } +} + +static void set_window_titles(struct gui_data *inst) +{ + /* + * We must always call set_icon_name after calling set_title, + * since set_title will write both names. Irritating, but such + * is life. + */ + gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle); + if (!inst->cfg.win_name_always) + gdk_window_set_icon_name(inst->window->window, inst->icontitle); +} + +void set_title(void *frontend, char *title) +{ + struct gui_data *inst = (struct gui_data *)frontend; + strncpy(inst->wintitle, title, lenof(inst->wintitle)); + inst->wintitle[lenof(inst->wintitle)-1] = '\0'; + set_window_titles(inst); +} + +void set_icon(void *frontend, char *title) +{ + struct gui_data *inst = (struct gui_data *)frontend; + strncpy(inst->icontitle, title, lenof(inst->icontitle)); + inst->icontitle[lenof(inst->icontitle)-1] = '\0'; + set_window_titles(inst); +} + +void set_sbar(void *frontend, int total, int start, int page) +{ + struct gui_data *inst = (struct gui_data *)frontend; + if (!inst->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) +{ + struct gui_data *inst = (struct gui_data *)data; + + if (!inst->cfg.scrollbar) + return; + if (!inst->ignore_sbar) + term_scroll(inst->term, 1, (int)adj->value); +} + +void sys_cursor(void *frontend, int x, int y) +{ + /* + * This is meaningless under X. + */ +} + +/* + * This is still called when mode==BELL_VISUAL, even though the + * visual bell is handled entirely within terminal.c, because we + * may want to perform additional actions on any kind of bell (for + * example, taskbar flashing in Windows). + */ +void do_beep(void *frontend, int mode) +{ + if (mode == BELL_DEFAULT) + gdk_beep(); +} + +int char_width(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. + * + * FIXME: but is that also true of Pango? + */ + return 1; +} + +Context get_ctx(void *frontend) +{ + struct gui_data *inst = (struct gui_data *)frontend; + struct draw_ctx *dctx; + + if (!inst->area->window) + return NULL; + + dctx = snew(struct draw_ctx); + dctx->inst = inst; + dctx->gc = gdk_gc_new(inst->area->window); + return dctx; +} + +void free_ctx(Context ctx) +{ + struct draw_ctx *dctx = (struct draw_ctx *)ctx; + /* struct gui_data *inst = dctx->inst; */ + GdkGC *gc = dctx->gc; + gdk_gc_unref(gc); + sfree(dctx); +} + +/* + * 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, wchar_t *text, int len, + unsigned long attr, int lattr) +{ + struct draw_ctx *dctx = (struct draw_ctx *)ctx; + struct gui_data *inst = dctx->inst; + GdkGC *gc = dctx->gc; + int ncombining, combining; + int nfg, nbg, t, fontid, shadow, rlen, widefactor, bold; + int monochrome = gtk_widget_get_visual(inst->area)->depth == 1; + + if (attr & TATTR_COMBINING) { + ncombining = len; + len = 1; + } else + ncombining = 1; + + nfg = ((monochrome ? ATTR_DEFFG : (attr & ATTR_FGMASK)) >> ATTR_FGSHIFT); + nbg = ((monochrome ? ATTR_DEFBG : (attr & ATTR_BGMASK)) >> ATTR_BGSHIFT); + if (!!(attr & ATTR_REVERSE) ^ (monochrome && (attr & TATTR_ACTCURS))) { + t = nfg; + nfg = nbg; + nbg = t; + } + if (inst->cfg.bold_colour && (attr & ATTR_BOLD)) { + if (nfg < 16) nfg |= 8; + else if (nfg >= 256) nfg |= 1; + } + if (inst->cfg.bold_colour && (attr & ATTR_BLINK)) { + if (nbg < 16) nbg |= 8; + else if (nbg >= 256) nbg |= 1; + } + if ((attr & TATTR_ACTCURS) && !monochrome) { + nfg = 260; + nbg = 261; + } + + fontid = shadow = 0; + + if (attr & ATTR_WIDE) { + widefactor = 2; + fontid |= 2; + } else { + widefactor = 1; + } + + if ((attr & ATTR_BOLD) && !inst->cfg.bold_colour) { + bold = 1; + fontid |= 1; + } else { + bold = 0; + } + + if (!inst->fonts[fontid]) { + int i; + /* + * Fall back through font ids with subsets of this one's + * set bits, in order. + */ + for (i = fontid; i-- > 0 ;) { + if (i & ~fontid) + continue; /* some other bit is set */ + if (inst->fonts[i]) { + fontid = i; + break; + } + } + assert(inst->fonts[fontid]); /* we should at least have hit zero */ + } + + if ((lattr & LATTR_MODE) != LATTR_NORM) { + x *= 2; + if (x >= inst->term->cols) + return; + if (x + len*2*widefactor > inst->term->cols) + len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */ + rlen = len * 2; + } else + rlen = len; + + { + GdkRectangle r; + + r.x = x*inst->font_width+inst->cfg.window_border; + r.y = y*inst->font_height+inst->cfg.window_border; + r.width = rlen*widefactor*inst->font_width; + r.height = inst->font_height; + gdk_gc_set_clip_rectangle(gc, &r); + } + + gdk_gc_set_foreground(gc, &inst->cols[nbg]); + gdk_draw_rectangle(inst->pixmap, gc, 1, + x*inst->font_width+inst->cfg.window_border, + y*inst->font_height+inst->cfg.window_border, + rlen*widefactor*inst->font_width, inst->font_height); + + gdk_gc_set_foreground(gc, &inst->cols[nfg]); + { + gchar *gcs; + + /* + * FIXME: this length is hardwired on the assumption that + * conversions from wide to multibyte characters will + * never generate more than 10 bytes for a single wide + * character. + */ + gcs = snewn(len*10+1, gchar); + + for (combining = 0; combining < ncombining; combining++) { + int mblen = wc_to_mb(inst->fonts[fontid]->real_charset, 0, + text + combining, len, gcs, len*10+1, ".", + NULL, NULL); + unifont_draw_text(inst->pixmap, gc, inst->fonts[fontid], + x*inst->font_width+inst->cfg.window_border, + y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent, + gcs, mblen, widefactor > 1, bold, inst->font_width); + } + + sfree(gcs); + } + + 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+inst->cfg.window_border, + y*inst->font_height + uheight + inst->cfg.window_border, + (x+len)*widefactor*inst->font_width-1+inst->cfg.window_border, + y*inst->font_height + uheight + inst->cfg.window_border); + } + + if ((lattr & LATTR_MODE) != 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 * widefactor * inst->font_width; i++) { + gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap, + x*inst->font_width+inst->cfg.window_border + 2*i, + y*inst->font_height+inst->cfg.window_border, + x*inst->font_width+inst->cfg.window_border + 2*i+1, + y*inst->font_height+inst->cfg.window_border, + len * widefactor * inst->font_width - i, inst->font_height); + } + len *= 2; + if ((lattr & LATTR_MODE) != LATTR_WIDE) { + int dt, db; + /* Now stretch vertically, in the same way. */ + if ((lattr & LATTR_MODE) == 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+inst->cfg.window_border, + y*inst->font_height+inst->cfg.window_border+dt*i+db, + x*inst->font_width+inst->cfg.window_border, + y*inst->font_height+inst->cfg.window_border+dt*(i+1), + len * widefactor * inst->font_width, inst->font_height-i-1); + } + } + } +} + +void do_text(Context ctx, int x, int y, wchar_t *text, int len, + unsigned long attr, int lattr) +{ + struct draw_ctx *dctx = (struct draw_ctx *)ctx; + struct gui_data *inst = dctx->inst; + GdkGC *gc = dctx->gc; + int widefactor; + + do_text_internal(ctx, x, y, text, len, attr, lattr); + + if (attr & ATTR_WIDE) { + widefactor = 2; + } else { + widefactor = 1; + } + + if ((lattr & LATTR_MODE) != LATTR_NORM) { + x *= 2; + if (x >= inst->term->cols) + return; + if (x + len*2*widefactor > inst->term->cols) + len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */ + len *= 2; + } + + gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, + x*inst->font_width+inst->cfg.window_border, + y*inst->font_height+inst->cfg.window_border, + x*inst->font_width+inst->cfg.window_border, + y*inst->font_height+inst->cfg.window_border, + len*widefactor*inst->font_width, inst->font_height); +} + +void do_cursor(Context ctx, int x, int y, wchar_t *text, int len, + unsigned long attr, int lattr) +{ + struct draw_ctx *dctx = (struct draw_ctx *)ctx; + struct gui_data *inst = dctx->inst; + GdkGC *gc = dctx->gc; + + int active, passive, widefactor; + + if (attr & TATTR_PASCURS) { + attr &= ~TATTR_PASCURS; + passive = 1; + } else + passive = 0; + if ((attr & TATTR_ACTCURS) && inst->cfg.cursor_type != 0) { + attr &= ~TATTR_ACTCURS; + active = 1; + } else + active = 0; + do_text_internal(ctx, x, y, text, len, attr, lattr); + + if (attr & TATTR_COMBINING) + len = 1; + + if (attr & ATTR_WIDE) { + widefactor = 2; + } else { + widefactor = 1; + } + + if ((lattr & LATTR_MODE) != LATTR_NORM) { + x *= 2; + if (x >= inst->term->cols) + return; + if (x + len*2*widefactor > inst->term->cols) + len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */ + len *= 2; + } + + if (inst->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[261]); + gdk_draw_rectangle(inst->pixmap, gc, 0, + x*inst->font_width+inst->cfg.window_border, + y*inst->font_height+inst->cfg.window_border, + len*widefactor*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_MODE) != LATTR_NORM) + char_width = 2*inst->font_width; + else + char_width = inst->font_width; + + if (inst->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 + inst->cfg.window_border; + starty = y * inst->font_height + inst->cfg.window_border + uheight; + dx = 1; + dy = 0; + length = len * widefactor * char_width; + } else { + int xadjust = 0; + if (attr & TATTR_RIGHTCURS) + xadjust = char_width - 1; + startx = x * inst->font_width + inst->cfg.window_border + xadjust; + starty = y * inst->font_height + inst->cfg.window_border; + dx = 0; + dy = 1; + length = inst->font_height; + } + + gdk_gc_set_foreground(gc, &inst->cols[261]); + 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 if (active) { + gdk_draw_line(inst->pixmap, gc, startx, starty, + startx + (length-1) * dx, starty + (length-1) * dy); + } /* else no cursor (e.g., blinked off) */ + } + + gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, + x*inst->font_width+inst->cfg.window_border, + y*inst->font_height+inst->cfg.window_border, + x*inst->font_width+inst->cfg.window_border, + y*inst->font_height+inst->cfg.window_border, + len*widefactor*inst->font_width, inst->font_height); +} + +GdkCursor *make_mouse_ptr(struct gui_data *inst, 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"); + if (cursor_font) + gdk_font_ref(cursor_font); + } + + /* + * 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); +} + +void cmdline_error(char *p, ...) +{ + va_list ap; + fprintf(stderr, "%s: ", appname); + va_start(ap, p); + vfprintf(stderr, p, ap); + va_end(ap); + fputc('\n', stderr); + exit(1); +} + +char *get_x_display(void *frontend) +{ + return gdk_get_display(); +} + +long get_windowid(void *frontend) +{ + struct gui_data *inst = (struct gui_data *)frontend; + return (long)GDK_WINDOW_XWINDOW(inst->area->window); +} + +static void help(FILE *fp) { + if(fprintf(fp, +"pterm option summary:\n" +"\n" +" --display DISPLAY Specify X display to use (note '--')\n" +" -name PREFIX Prefix when looking up resources (default: pterm)\n" +" -fn FONT Normal text font\n" +" -fb FONT Bold text font\n" +" -geometry GEOMETRY Position and size of window (size in characters)\n" +" -sl LINES Number of lines of scrollback\n" +" -fg COLOUR, -bg COLOUR Foreground/background colour\n" +" -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n" +" -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n" +" -T TITLE Window title\n" +" -ut, +ut Do(default) or do not update utmp\n" +" -ls, +ls Do(default) or do not make shell a login shell\n" +" -sb, +sb Do(default) or do not display a scrollbar\n" +" -log PATH Log all output to a file\n" +" -nethack Map numeric keypad to hjklyubn direction keys\n" +" -xrm RESOURCE-STRING Set an X resource\n" +" -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n" + ) < 0 || fflush(fp) < 0) { + perror("output error"); + exit(1); + } +} + +int do_cmdline(int argc, char **argv, int do_everything, int *allow_launch, + struct gui_data *inst, Config *cfg) +{ + int err = 0; + char *val; + + /* + * Macros to make argument handling easier. Note that because + * they need to call `continue', they cannot be contained in + * the usual do {...} while (0) wrapper to make them + * syntactically single statements; hence it is not legal to + * use one of these macros as an unbraced statement between + * `if' and `else'. + */ +#define EXPECTS_ARG { \ + if (--argc <= 0) { \ + err = 1; \ + fprintf(stderr, "%s: %s expects an argument\n", appname, p); \ + continue; \ + } else \ + val = *++argv; \ +} +#define SECOND_PASS_ONLY { if (!do_everything) continue; } + + while (--argc > 0) { + char *p = *++argv; + int ret; + + /* + * Shameless cheating. Debian requires all X terminal + * emulators to support `-T title'; but + * cmdline_process_param will eat -T (it means no-pty) and + * complain that pterm doesn't support it. So, in pterm + * only, we convert -T into -title. + */ + if ((cmdline_tooltype & TOOLTYPE_NONNETWORK) && + !strcmp(p, "-T")) + p = "-title"; + + ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL), + do_everything ? 1 : -1, cfg); + + if (ret == -2) { + cmdline_error("option \"%s\" requires an argument", p); + } else if (ret == 2) { + --argc, ++argv; /* skip next argument */ + continue; + } else if (ret == 1) { + continue; + } + + if (!strcmp(p, "-fn") || !strcmp(p, "-font")) { + EXPECTS_ARG; + SECOND_PASS_ONLY; + strncpy(cfg->font.name, val, sizeof(cfg->font.name)); + cfg->font.name[sizeof(cfg->font.name)-1] = '\0'; + + } else if (!strcmp(p, "-fb")) { + EXPECTS_ARG; + SECOND_PASS_ONLY; + strncpy(cfg->boldfont.name, val, sizeof(cfg->boldfont.name)); + cfg->boldfont.name[sizeof(cfg->boldfont.name)-1] = '\0'; + + } else if (!strcmp(p, "-fw")) { + EXPECTS_ARG; + SECOND_PASS_ONLY; + strncpy(cfg->widefont.name, val, sizeof(cfg->widefont.name)); + cfg->widefont.name[sizeof(cfg->widefont.name)-1] = '\0'; + + } else if (!strcmp(p, "-fwb")) { + EXPECTS_ARG; + SECOND_PASS_ONLY; + strncpy(cfg->wideboldfont.name, val, sizeof(cfg->wideboldfont.name)); + cfg->wideboldfont.name[sizeof(cfg->wideboldfont.name)-1] = '\0'; + + } else if (!strcmp(p, "-cs")) { + EXPECTS_ARG; + SECOND_PASS_ONLY; + strncpy(cfg->line_codepage, val, sizeof(cfg->line_codepage)); + cfg->line_codepage[sizeof(cfg->line_codepage)-1] = '\0'; + + } else if (!strcmp(p, "-geometry")) { + int flags, x, y; + unsigned int w, h; + EXPECTS_ARG; + SECOND_PASS_ONLY; + + flags = XParseGeometry(val, &x, &y, &w, &h); + if (flags & WidthValue) + cfg->width = (int)w; + if (flags & HeightValue) + cfg->height = (int)h; + + if (flags & (XValue | YValue)) { + inst->xpos = x; + inst->ypos = y; + inst->gotpos = TRUE; + inst->gravity = ((flags & XNegative ? 1 : 0) | + (flags & YNegative ? 2 : 0)); + } + + } else if (!strcmp(p, "-sl")) { + EXPECTS_ARG; + SECOND_PASS_ONLY; + cfg->savelines = atoi(val); + + } else if (!strcmp(p, "-fg") || !strcmp(p, "-bg") || + !strcmp(p, "-bfg") || !strcmp(p, "-bbg") || + !strcmp(p, "-cfg") || !strcmp(p, "-cbg")) { + GdkColor col; + + EXPECTS_ARG; + SECOND_PASS_ONLY; + if (!gdk_color_parse(val, &col)) { + err = 1; + fprintf(stderr, "%s: unable to parse colour \"%s\"\n", + appname, val); + } else { + int index; + index = (!strcmp(p, "-fg") ? 0 : + !strcmp(p, "-bg") ? 2 : + !strcmp(p, "-bfg") ? 1 : + !strcmp(p, "-bbg") ? 3 : + !strcmp(p, "-cfg") ? 4 : + !strcmp(p, "-cbg") ? 5 : -1); + assert(index != -1); + cfg->colours[index][0] = col.red / 256; + cfg->colours[index][1] = col.green / 256; + cfg->colours[index][2] = col.blue / 256; + } + + } else if (use_pty_argv && !strcmp(p, "-e")) { + /* This option swallows all further arguments. */ + if (!do_everything) + break; + + if (--argc > 0) { + int i; + pty_argv = snewn(argc+1, 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, "%s: -e expects an argument\n", + appname); + + } else if (!strcmp(p, "-title")) { + EXPECTS_ARG; + SECOND_PASS_ONLY; + strncpy(cfg->wintitle, val, sizeof(cfg->wintitle)); + cfg->wintitle[sizeof(cfg->wintitle)-1] = '\0'; + + } else if (!strcmp(p, "-log")) { + EXPECTS_ARG; + SECOND_PASS_ONLY; + strncpy(cfg->logfilename.path, val, sizeof(cfg->logfilename.path)); + cfg->logfilename.path[sizeof(cfg->logfilename.path)-1] = '\0'; + cfg->logtype = LGTYP_DEBUG; + + } else if (!strcmp(p, "-ut-") || !strcmp(p, "+ut")) { + SECOND_PASS_ONLY; + cfg->stamp_utmp = 0; + + } else if (!strcmp(p, "-ut")) { + SECOND_PASS_ONLY; + cfg->stamp_utmp = 1; + + } else if (!strcmp(p, "-ls-") || !strcmp(p, "+ls")) { + SECOND_PASS_ONLY; + cfg->login_shell = 0; + + } else if (!strcmp(p, "-ls")) { + SECOND_PASS_ONLY; + cfg->login_shell = 1; + + } else if (!strcmp(p, "-nethack")) { + SECOND_PASS_ONLY; + cfg->nethack_keypad = 1; + + } else if (!strcmp(p, "-sb-") || !strcmp(p, "+sb")) { + SECOND_PASS_ONLY; + cfg->scrollbar = 0; + + } else if (!strcmp(p, "-sb")) { + SECOND_PASS_ONLY; + cfg->scrollbar = 0; + + } else if (!strcmp(p, "-name")) { + EXPECTS_ARG; + app_name = val; + + } else if (!strcmp(p, "-xrm")) { + EXPECTS_ARG; + provide_xrm_string(val); + + } else if(!strcmp(p, "-help") || !strcmp(p, "--help")) { + help(stdout); + exit(0); + + } else if (!strcmp(p, "-pgpfp")) { + pgp_fingerprints(); + exit(1); + + } else if(p[0] != '-' && (!do_everything || + process_nonoption_arg(p, cfg, + allow_launch))) { + /* do nothing */ + + } else { + err = 1; + fprintf(stderr, "%s: unrecognized option '%s'\n", appname, p); + } + } + + return err; +} + +int uxsel_input_add(int fd, int rwx) { + int flags = 0; + if (rwx & 1) flags |= GDK_INPUT_READ; + if (rwx & 2) flags |= GDK_INPUT_WRITE; + if (rwx & 4) flags |= GDK_INPUT_EXCEPTION; + assert(flags); + return gdk_input_add(fd, flags, fd_input_func, NULL); +} + +void uxsel_input_remove(int id) { + gdk_input_remove(id); +} + +void setup_fonts_ucs(struct gui_data *inst) +{ + if (inst->fonts[0]) + unifont_destroy(inst->fonts[0]); + if (inst->fonts[1]) + unifont_destroy(inst->fonts[1]); + if (inst->fonts[2]) + unifont_destroy(inst->fonts[2]); + if (inst->fonts[3]) + unifont_destroy(inst->fonts[3]); + + inst->fonts[0] = unifont_create(inst->area, inst->cfg.font.name, + FALSE, FALSE, + inst->cfg.shadowboldoffset, + inst->cfg.shadowbold); + if (!inst->fonts[0]) { + fprintf(stderr, "%s: unable to load font \"%s\"\n", appname, + inst->cfg.font.name); + exit(1); + } + + if (inst->cfg.shadowbold || !inst->cfg.boldfont.name[0]) { + inst->fonts[1] = NULL; + } else { + inst->fonts[1] = unifont_create(inst->area, inst->cfg.boldfont.name, + FALSE, TRUE, + inst->cfg.shadowboldoffset, + inst->cfg.shadowbold); + if (!inst->fonts[1]) { + fprintf(stderr, "%s: unable to load bold font \"%s\"\n", appname, + inst->cfg.boldfont.name); + exit(1); + } + } + + if (inst->cfg.widefont.name[0]) { + inst->fonts[2] = unifont_create(inst->area, inst->cfg.widefont.name, + TRUE, FALSE, + inst->cfg.shadowboldoffset, + inst->cfg.shadowbold); + if (!inst->fonts[2]) { + fprintf(stderr, "%s: unable to load wide font \"%s\"\n", appname, + inst->cfg.widefont.name); + exit(1); + } + } else { + inst->fonts[2] = NULL; + } + + if (inst->cfg.shadowbold || !inst->cfg.wideboldfont.name[0]) { + inst->fonts[3] = NULL; + } else { + inst->fonts[3] = unifont_create(inst->area, + inst->cfg.wideboldfont.name, TRUE, + TRUE, inst->cfg.shadowboldoffset, + inst->cfg.shadowbold); + if (!inst->fonts[3]) { + fprintf(stderr, "%s: unable to load wide bold font \"%s\"\n", appname, + inst->cfg.boldfont.name); + exit(1); + } + } + + inst->font_width = inst->fonts[0]->width; + inst->font_height = inst->fonts[0]->height; + + inst->direct_to_font = init_ucs(&inst->ucsdata, inst->cfg.line_codepage, + inst->cfg.utf8_override, + inst->fonts[0]->public_charset, + inst->cfg.vtmode); +} + +void set_geom_hints(struct gui_data *inst) +{ + GdkGeometry geom; + geom.min_width = inst->font_width + 2*inst->cfg.window_border; + geom.min_height = inst->font_height + 2*inst->cfg.window_border; + geom.max_width = geom.max_height = -1; + geom.base_width = 2*inst->cfg.window_border; + geom.base_height = 2*inst->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); +} + +void clear_scrollback_menuitem(GtkMenuItem *item, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + term_clrsb(inst->term); +} + +void reset_terminal_menuitem(GtkMenuItem *item, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + term_pwron(inst->term, TRUE); + if (inst->ldisc) + ldisc_send(inst->ldisc, NULL, 0, 0); +} + +void copy_all_menuitem(GtkMenuItem *item, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + term_copyall(inst->term); +} + +void special_menuitem(GtkMenuItem *item, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + int code = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item), + "user-data")); + + if (inst->back) + inst->back->special(inst->backhandle, code); +} + +void about_menuitem(GtkMenuItem *item, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + about_box(inst->window); +} + +void event_log_menuitem(GtkMenuItem *item, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + showeventlog(inst->eventlogstuff, inst->window); +} + +void change_settings_menuitem(GtkMenuItem *item, gpointer data) +{ + /* This maps colour indices in inst->cfg to those used in inst->cols. */ + static const int ww[] = { + 256, 257, 258, 259, 260, 261, + 0, 8, 1, 9, 2, 10, 3, 11, + 4, 12, 5, 13, 6, 14, 7, 15 + }; + struct gui_data *inst = (struct gui_data *)data; + char *title = dupcat(appname, " Reconfiguration", NULL); + Config cfg2, oldcfg; + int i, need_size; + + assert(lenof(ww) == NCFGCOLOURS); + + if (inst->reconfiguring) + return; + else + inst->reconfiguring = TRUE; + + cfg2 = inst->cfg; /* structure copy */ + + if (do_config_box(title, &cfg2, 1, + inst->back?inst->back->cfg_info(inst->backhandle):0)) { + + oldcfg = inst->cfg; /* structure copy */ + inst->cfg = cfg2; /* structure copy */ + + /* Pass new config data to the logging module */ + log_reconfig(inst->logctx, &cfg2); + /* + * Flush the line discipline's edit buffer in the case + * where local editing has just been disabled. + */ + if (inst->ldisc) + ldisc_send(inst->ldisc, NULL, 0, 0); + /* Pass new config data to the terminal */ + term_reconfig(inst->term, &cfg2); + /* Pass new config data to the back end */ + if (inst->back) + inst->back->reconfig(inst->backhandle, &cfg2); + + /* + * Just setting inst->cfg is sufficient to cause colour + * setting changes to appear on the next ESC]R palette + * reset. But we should also check whether any colour + * settings have been changed, and revert the ones that + * have to the new default, on the assumption that the user + * is most likely to want an immediate update. + */ + for (i = 0; i < NCFGCOLOURS; i++) { + if (oldcfg.colours[i][0] != cfg2.colours[i][0] || + oldcfg.colours[i][1] != cfg2.colours[i][1] || + oldcfg.colours[i][2] != cfg2.colours[i][2]) { + real_palette_set(inst, ww[i], cfg2.colours[i][0], + cfg2.colours[i][1], + cfg2.colours[i][2]); + + /* + * If the default background has changed, we must + * repaint the space in between the window border + * and the text area. + */ + if (i == 258) { + set_window_background(inst); + draw_backing_rect(inst); + } + } + } + + /* + * If the scrollbar needs to be shown, hidden, or moved + * from one end to the other of the window, do so now. + */ + if (oldcfg.scrollbar != cfg2.scrollbar) { + if (cfg2.scrollbar) + gtk_widget_show(inst->sbar); + else + gtk_widget_hide(inst->sbar); + } + if (oldcfg.scrollbar_on_left != cfg2.scrollbar_on_left) { + gtk_box_reorder_child(inst->hbox, inst->sbar, + cfg2.scrollbar_on_left ? 0 : 1); + } + + /* + * Change the window title, if required. + */ + if (strcmp(oldcfg.wintitle, cfg2.wintitle)) + set_title(inst, cfg2.wintitle); + set_window_titles(inst); + + /* + * Redo the whole tangled fonts and Unicode mess if + * necessary. + */ + if (strcmp(oldcfg.font.name, cfg2.font.name) || + strcmp(oldcfg.boldfont.name, cfg2.boldfont.name) || + strcmp(oldcfg.widefont.name, cfg2.widefont.name) || + strcmp(oldcfg.wideboldfont.name, cfg2.wideboldfont.name) || + strcmp(oldcfg.line_codepage, cfg2.line_codepage) || + oldcfg.vtmode != cfg2.vtmode || + oldcfg.shadowbold != cfg2.shadowbold) { + setup_fonts_ucs(inst); + need_size = 1; + } else + need_size = 0; + + /* + * Resize the window. + */ + if (oldcfg.width != cfg2.width || oldcfg.height != cfg2.height || + oldcfg.window_border != cfg2.window_border || need_size) { + set_geom_hints(inst); + request_resize(inst, cfg2.width, cfg2.height); + } else { + /* + * The above will have caused a call to term_size() for + * us if it happened. If the user has fiddled with only + * the scrollback size, the above will not have + * happened and we will need an explicit term_size() + * here. + */ + if (oldcfg.savelines != cfg2.savelines) + term_size(inst->term, inst->term->rows, inst->term->cols, + cfg2.savelines); + } + + term_invalidate(inst->term); + + /* + * We do an explicit full redraw here to ensure the window + * border has been redrawn as well as the text area. + */ + gtk_widget_queue_draw(inst->area); + } + sfree(title); + inst->reconfiguring = FALSE; +} + +void fork_and_exec_self(struct gui_data *inst, int fd_to_close, ...) +{ + /* + * Re-execing ourself is not an exact science under Unix. I do + * the best I can by using /proc/self/exe if available and by + * assuming argv[0] can be found on $PATH if not. + * + * Note that we also have to reconstruct the elements of the + * original argv which gtk swallowed, since the user wants the + * new session to appear on the same X display as the old one. + */ + char **args; + va_list ap; + int i, n; + int pid; + + /* + * Collect the arguments with which to re-exec ourself. + */ + va_start(ap, fd_to_close); + n = 2; /* progname and terminating NULL */ + n += inst->ngtkargs; + while (va_arg(ap, char *) != NULL) + n++; + va_end(ap); + + args = snewn(n, char *); + args[0] = inst->progname; + args[n-1] = NULL; + for (i = 0; i < inst->ngtkargs; i++) + args[i+1] = inst->gtkargvstart[i]; + + i++; + va_start(ap, fd_to_close); + while ((args[i++] = va_arg(ap, char *)) != NULL); + va_end(ap); + + assert(i == n); + + /* + * Do the double fork. + */ + pid = fork(); + if (pid < 0) { + perror("fork"); + return; + } + + if (pid == 0) { + int pid2 = fork(); + if (pid2 < 0) { + perror("fork"); + _exit(1); + } else if (pid2 > 0) { + /* + * First child has successfully forked second child. My + * Work Here Is Done. Note the use of _exit rather than + * exit: the latter appears to cause destroy messages + * to be sent to the X server. I suspect gtk uses + * atexit. + */ + _exit(0); + } + + /* + * If we reach here, we are the second child, so we now + * actually perform the exec. + */ + if (fd_to_close >= 0) + close(fd_to_close); + + execv("/proc/self/exe", args); + execvp(inst->progname, args); + perror("exec"); + _exit(127); + + } else { + int status; + waitpid(pid, &status, 0); + } + +} + +void dup_session_menuitem(GtkMenuItem *item, gpointer gdata) +{ + struct gui_data *inst = (struct gui_data *)gdata; + /* + * For this feature we must marshal cfg and (possibly) pty_argv + * into a byte stream, create a pipe, and send this byte stream + * to the child through the pipe. + */ + int i, ret, size; + char *data; + char option[80]; + int pipefd[2]; + + if (pipe(pipefd) < 0) { + perror("pipe"); + return; + } + + size = sizeof(inst->cfg); + if (use_pty_argv && pty_argv) { + for (i = 0; pty_argv[i]; i++) + size += strlen(pty_argv[i]) + 1; + } + + data = snewn(size, char); + memcpy(data, &inst->cfg, sizeof(inst->cfg)); + if (use_pty_argv && pty_argv) { + int p = sizeof(inst->cfg); + for (i = 0; pty_argv[i]; i++) { + strcpy(data + p, pty_argv[i]); + p += strlen(pty_argv[i]) + 1; + } + assert(p == size); + } + + sprintf(option, "---[%d,%d]", pipefd[0], size); + fcntl(pipefd[0], F_SETFD, 0); + fork_and_exec_self(inst, pipefd[1], option, NULL); + close(pipefd[0]); + + i = ret = 0; + while (i < size && (ret = write(pipefd[1], data + i, size - i)) > 0) + i += ret; + if (ret < 0) + perror("write to pipe"); + close(pipefd[1]); + sfree(data); +} + +int read_dupsession_data(struct gui_data *inst, Config *cfg, char *arg) +{ + int fd, i, ret, size; + char *data; + + if (sscanf(arg, "---[%d,%d]", &fd, &size) != 2) { + fprintf(stderr, "%s: malformed magic argument `%s'\n", appname, arg); + exit(1); + } + + data = snewn(size, char); + i = ret = 0; + while (i < size && (ret = read(fd, data + i, size - i)) > 0) + i += ret; + if (ret < 0) { + perror("read from pipe"); + exit(1); + } else if (i < size) { + fprintf(stderr, "%s: unexpected EOF in Duplicate Session data\n", + appname); + exit(1); + } + + memcpy(cfg, data, sizeof(Config)); + if (use_pty_argv && size > sizeof(Config)) { + int n = 0; + i = sizeof(Config); + while (i < size) { + while (i < size && data[i]) i++; + if (i >= size) { + fprintf(stderr, "%s: malformed Duplicate Session data\n", + appname); + exit(1); + } + i++; + n++; + } + pty_argv = snewn(n+1, char *); + pty_argv[n] = NULL; + n = 0; + i = sizeof(Config); + while (i < size) { + char *p = data + i; + while (i < size && data[i]) i++; + assert(i < size); + i++; + pty_argv[n++] = dupstr(p); + } + } + + return 0; +} + +void new_session_menuitem(GtkMenuItem *item, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + + fork_and_exec_self(inst, -1, NULL); +} + +void restart_session_menuitem(GtkMenuItem *item, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + + if (!inst->back) { + logevent(inst, "----- Session restarted -----"); + term_pwron(inst->term, FALSE); + start_backend(inst); + inst->exited = FALSE; + } +} + +void saved_session_menuitem(GtkMenuItem *item, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + char *str = (char *)gtk_object_get_data(GTK_OBJECT(item), "user-data"); + + fork_and_exec_self(inst, -1, "-load", str, NULL); +} + +void saved_session_freedata(GtkMenuItem *item, gpointer data) +{ + char *str = (char *)gtk_object_get_data(GTK_OBJECT(item), "user-data"); + + sfree(str); +} + +static void update_savedsess_menu(GtkMenuItem *menuitem, gpointer data) +{ + struct gui_data *inst = (struct gui_data *)data; + struct sesslist sesslist; + int i; + + gtk_container_foreach(GTK_CONTAINER(inst->sessionsmenu), + (GtkCallback)gtk_widget_destroy, NULL); + + get_sesslist(&sesslist, TRUE); + /* skip sesslist.sessions[0] == Default Settings */ + for (i = 1; i < sesslist.nsessions; i++) { + GtkWidget *menuitem = + gtk_menu_item_new_with_label(sesslist.sessions[i]); + gtk_container_add(GTK_CONTAINER(inst->sessionsmenu), menuitem); + gtk_widget_show(menuitem); + gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", + dupstr(sesslist.sessions[i])); + gtk_signal_connect(GTK_OBJECT(menuitem), "activate", + GTK_SIGNAL_FUNC(saved_session_menuitem), + inst); + gtk_signal_connect(GTK_OBJECT(menuitem), "destroy", + GTK_SIGNAL_FUNC(saved_session_freedata), + inst); + } + if (sesslist.nsessions <= 1) { + GtkWidget *menuitem = + gtk_menu_item_new_with_label("(No sessions)"); + gtk_widget_set_sensitive(menuitem, FALSE); + gtk_container_add(GTK_CONTAINER(inst->sessionsmenu), menuitem); + gtk_widget_show(menuitem); + } + get_sesslist(&sesslist, FALSE); /* free up */ +} + +void set_window_icon(GtkWidget *window, const char *const *const *icon, + int n_icon) +{ + GdkPixmap *iconpm; + GdkBitmap *iconmask; +#if GTK_CHECK_VERSION(2,0,0) + GList *iconlist; + int n; +#endif + + if (!n_icon) + return; + + gtk_widget_realize(window); + iconpm = gdk_pixmap_create_from_xpm_d(window->window, &iconmask, + NULL, (gchar **)icon[0]); + gdk_window_set_icon(window->window, NULL, iconpm, iconmask); + +#if GTK_CHECK_VERSION(2,0,0) + iconlist = NULL; + for (n = 0; n < n_icon; n++) { + iconlist = + g_list_append(iconlist, + gdk_pixbuf_new_from_xpm_data((const gchar **) + icon[n])); + } + gdk_window_set_icon_list(window->window, iconlist); +#endif +} + +void update_specials_menu(void *frontend) +{ + struct gui_data *inst = (struct gui_data *)frontend; + + const struct telnet_special *specials; + + if (inst->back) + specials = inst->back->get_specials(inst->backhandle); + else + specials = NULL; + + /* I believe this disposes of submenus too. */ + gtk_container_foreach(GTK_CONTAINER(inst->specialsmenu), + (GtkCallback)gtk_widget_destroy, NULL); + if (specials) { + int i; + GtkWidget *menu = inst->specialsmenu; + /* A lame "stack" for submenus that will do for now. */ + GtkWidget *saved_menu = NULL; + int nesting = 1; + for (i = 0; nesting > 0; i++) { + GtkWidget *menuitem = NULL; + switch (specials[i].code) { + case TS_SUBMENU: + assert (nesting < 2); + saved_menu = menu; /* XXX lame stacking */ + menu = gtk_menu_new(); + menuitem = gtk_menu_item_new_with_label(specials[i].name); + gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu); + gtk_container_add(GTK_CONTAINER(saved_menu), menuitem); + gtk_widget_show(menuitem); + menuitem = NULL; + nesting++; + break; + case TS_EXITMENU: + nesting--; + if (nesting) { + menu = saved_menu; /* XXX lame stacking */ + saved_menu = NULL; + } + break; + case TS_SEP: + menuitem = gtk_menu_item_new(); + break; + default: + menuitem = gtk_menu_item_new_with_label(specials[i].name); + gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", + GINT_TO_POINTER(specials[i].code)); + gtk_signal_connect(GTK_OBJECT(menuitem), "activate", + GTK_SIGNAL_FUNC(special_menuitem), inst); + break; + } + if (menuitem) { + gtk_container_add(GTK_CONTAINER(menu), menuitem); + gtk_widget_show(menuitem); + } + } + gtk_widget_show(inst->specialsitem1); + gtk_widget_show(inst->specialsitem2); + } else { + gtk_widget_hide(inst->specialsitem1); + gtk_widget_hide(inst->specialsitem2); + } +} + +static void start_backend(struct gui_data *inst) +{ + extern Backend *select_backend(Config *cfg); + char *realhost; + const char *error; + + inst->back = select_backend(&inst->cfg); + + error = inst->back->init((void *)inst, &inst->backhandle, + &inst->cfg, inst->cfg.host, inst->cfg.port, + &realhost, inst->cfg.tcp_nodelay, + inst->cfg.tcp_keepalives); + + if (error) { + char *msg = dupprintf("Unable to open connection to %s:\n%s", + inst->cfg.host, error); + inst->exited = TRUE; + fatal_message_box(inst->window, msg); + sfree(msg); + exit(0); + } + + if (inst->cfg.wintitle[0]) { + set_title(inst, inst->cfg.wintitle); + set_icon(inst, inst->cfg.wintitle); + } else { + char *title = make_default_wintitle(realhost); + set_title(inst, title); + set_icon(inst, title); + sfree(title); + } + sfree(realhost); + + inst->back->provide_logctx(inst->backhandle, inst->logctx); + + term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle); + + inst->ldisc = + ldisc_create(&inst->cfg, inst->term, inst->back, inst->backhandle, + inst); + + gtk_widget_set_sensitive(inst->restartitem, FALSE); +} + +int pt_main(int argc, char **argv) +{ + extern int cfgbox(Config *cfg); + struct gui_data *inst; + + /* + * Create an instance structure and initialise to zeroes + */ + inst = snew(struct gui_data); + memset(inst, 0, sizeof(*inst)); + inst->alt_keycode = -1; /* this one needs _not_ to be zero */ + inst->busy_status = BUSY_NOT; + + /* defer any child exit handling until we're ready to deal with + * it */ + block_signal(SIGCHLD, 1); + + inst->progname = argv[0]; + /* + * Copy the original argv before letting gtk_init fiddle with + * it. It will be required later. + */ + { + int i, oldargc; + inst->gtkargvstart = snewn(argc-1, char *); + for (i = 1; i < argc; i++) + inst->gtkargvstart[i-1] = dupstr(argv[i]); + oldargc = argc; + gtk_init(&argc, &argv); + inst->ngtkargs = oldargc - argc; + } + + if (argc > 1 && !strncmp(argv[1], "---", 3)) { + read_dupsession_data(inst, &inst->cfg, argv[1]); + /* Splatter this argument so it doesn't clutter a ps listing */ + memset(argv[1], 0, strlen(argv[1])); + } else { + /* By default, we bring up the config dialog, rather than launching + * a session. This gets set to TRUE if something happens to change + * that (e.g., a hostname is specified on the command-line). */ + int allow_launch = FALSE; + if (do_cmdline(argc, argv, 0, &allow_launch, inst, &inst->cfg)) + exit(1); /* pre-defaults pass to get -class */ + do_defaults(NULL, &inst->cfg); + if (do_cmdline(argc, argv, 1, &allow_launch, inst, &inst->cfg)) + exit(1); /* post-defaults, do everything */ + + cmdline_run_saved(&inst->cfg); + + if (loaded_session) + allow_launch = TRUE; + + if ((!allow_launch || !cfg_launchable(&inst->cfg)) && + !cfgbox(&inst->cfg)) + exit(0); /* config box hit Cancel */ + } + + if (!compound_text_atom) + compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE); + if (!utf8_string_atom) + utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE); + + inst->area = gtk_drawing_area_new(); + + setup_fonts_ucs(inst); + init_cutbuffers(); + + inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); + if (inst->cfg.winclass[0]) + gtk_window_set_wmclass(GTK_WINDOW(inst->window), + inst->cfg.winclass, inst->cfg.winclass); + + /* + * Set up the colour map. + */ + palette_reset(inst); + + inst->width = inst->cfg.width; + inst->height = inst->cfg.height; + + gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), + inst->font_width * inst->cfg.width + 2*inst->cfg.window_border, + inst->font_height * inst->cfg.height + 2*inst->cfg.window_border); + 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)); + /* + * We always create the scrollbar; it remains invisible if + * unwanted, so we can pop it up quickly if it suddenly becomes + * desirable. + */ + if (inst->cfg.scrollbar_on_left) + gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0); + gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0); + if (!inst->cfg.scrollbar_on_left) + gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0); + + gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox)); + + set_geom_hints(inst); + + gtk_widget_show(inst->area); + if (inst->cfg.scrollbar) + gtk_widget_show(inst->sbar); + else + gtk_widget_hide(inst->sbar); + gtk_widget_show(GTK_WIDGET(inst->hbox)); + + if (inst->gotpos) { + int x = inst->xpos, y = inst->ypos; + GtkRequisition req; + gtk_widget_size_request(GTK_WIDGET(inst->window), &req); + if (inst->gravity & 1) x += gdk_screen_width() - req.width; + if (inst->gravity & 2) y += gdk_screen_height() - req.height; + gtk_window_set_position(GTK_WINDOW(inst->window), GTK_WIN_POS_NONE); + gtk_widget_set_uposition(GTK_WIDGET(inst->window), x, y); + } + + 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); +#if GTK_CHECK_VERSION(2,0,0) + gtk_signal_connect(GTK_OBJECT(inst->area), "scroll_event", + GTK_SIGNAL_FUNC(scroll_event), inst); +#endif + 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 (inst->cfg.scrollbar) + gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed", + GTK_SIGNAL_FUNC(scrollbar_moved), 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); + + { + extern const char *const *const main_icon[]; + extern const int n_main_icon; + set_window_icon(inst->window, main_icon, n_main_icon); + } + + gtk_widget_show(inst->window); + + set_window_background(inst); + + /* + * Set up the Ctrl+rightclick context menu. + */ + { + GtkWidget *menuitem; + char *s; + extern const int use_event_log, new_session, saved_sessions; + + inst->menu = gtk_menu_new(); + +#define MKMENUITEM(title, func) do \ + { \ + menuitem = gtk_menu_item_new_with_label(title); \ + gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \ + gtk_widget_show(menuitem); \ + gtk_signal_connect(GTK_OBJECT(menuitem), "activate", \ + GTK_SIGNAL_FUNC(func), inst); \ + } while (0) + +#define MKSUBMENU(title) do \ + { \ + menuitem = gtk_menu_item_new_with_label(title); \ + gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \ + gtk_widget_show(menuitem); \ + } while (0) + +#define MKSEP() do \ + { \ + menuitem = gtk_menu_item_new(); \ + gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \ + gtk_widget_show(menuitem); \ + } while (0) + + if (new_session) + MKMENUITEM("New Session...", new_session_menuitem); + MKMENUITEM("Restart Session", restart_session_menuitem); + inst->restartitem = menuitem; + gtk_widget_set_sensitive(inst->restartitem, FALSE); + MKMENUITEM("Duplicate Session", dup_session_menuitem); + if (saved_sessions) { + inst->sessionsmenu = gtk_menu_new(); + /* sessionsmenu will be updated when it's invoked */ + /* XXX is this the right way to do dynamic menus in Gtk? */ + MKMENUITEM("Saved Sessions", update_savedsess_menu); + gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), + inst->sessionsmenu); + } + MKSEP(); + MKMENUITEM("Change Settings...", change_settings_menuitem); + MKSEP(); + if (use_event_log) + MKMENUITEM("Event Log", event_log_menuitem); + MKSUBMENU("Special Commands"); + inst->specialsmenu = gtk_menu_new(); + gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), inst->specialsmenu); + inst->specialsitem1 = menuitem; + MKSEP(); + inst->specialsitem2 = menuitem; + gtk_widget_hide(inst->specialsitem1); + gtk_widget_hide(inst->specialsitem2); + MKMENUITEM("Clear Scrollback", clear_scrollback_menuitem); + MKMENUITEM("Reset Terminal", reset_terminal_menuitem); + MKMENUITEM("Copy All", copy_all_menuitem); + MKSEP(); + s = dupcat("About ", appname, NULL); + MKMENUITEM(s, about_menuitem); + sfree(s); +#undef MKMENUITEM +#undef MKSUBMENU +#undef MKSEP + } + + inst->textcursor = make_mouse_ptr(inst, GDK_XTERM); + inst->rawcursor = make_mouse_ptr(inst, GDK_LEFT_PTR); + inst->waitcursor = make_mouse_ptr(inst, GDK_WATCH); + inst->blankcursor = make_mouse_ptr(inst, -1); + make_mouse_ptr(inst, -2); /* clean up cursor font */ + inst->currcursor = inst->textcursor; + show_mouseptr(inst, 1); + + inst->eventlogstuff = eventlogstuff_new(); + + inst->term = term_init(&inst->cfg, &inst->ucsdata, inst); + inst->logctx = log_init(inst, &inst->cfg); + term_provide_logctx(inst->term, inst->logctx); + + uxsel_init(); + + term_size(inst->term, inst->cfg.height, inst->cfg.width, inst->cfg.savelines); + + start_backend(inst); + + ldisc_send(inst->ldisc, NULL, 0, 0);/* cause ldisc to notice changes */ + + /* now we're reday to deal with the child exit handler being + * called */ + block_signal(SIGCHLD, 0); + + /* + * Block SIGPIPE: if we attempt Duplicate Session or similar + * and it falls over in some way, we certainly don't want + * SIGPIPE terminating the main pterm/PuTTY. Note that we do + * this _after_ (at least pterm) forks off its child process, + * since the child wants SIGPIPE handled in the usual way. + */ + block_signal(SIGPIPE, 1); + + inst->exited = FALSE; + + gtk_main(); + + return 0; +}