/* * pterm - a fusion of the PuTTY terminal emulator with a Unix pty * back end, all running as a GTK application. Wish me luck. */ #include #include #include #include #include #include #define PUTTY_DO_GLOBALS /* actually _define_ globals */ #include "putty.h" #define CAT2(x,y) x ## y #define CAT(x,y) CAT2(x,y) #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)} #define NCOLOURS (lenof(((Config *)0)->colours)) struct gui_data { GtkWidget *area; GdkPixmap *pixmap; GdkFont *fonts[2]; /* normal and bold (for now!) */ GdkCursor *rawcursor, *textcursor; GdkColor cols[NCOLOURS]; GdkColormap *colmap; GdkGC *black_gc, *white_gc; }; static struct gui_data the_inst; static struct gui_data *inst = &the_inst; /* so we always write `inst->' */ static int send_raw_mouse; void ldisc_update(int echo, int edit) { /* * This is a stub in pterm. If I ever produce a Unix * command-line ssh/telnet/rlogin client (i.e. a port of plink) * then it will require some termios manoeuvring analogous to * that in the Windows plink.c, but here it's meaningless. */ } int askappend(char *filename) { /* * FIXME: for the moment we just wipe the log file. Since I * haven't yet enabled logging, this shouldn't matter yet! */ return 2; } void logevent(char *string) { /* * FIXME: event log entries are currently ignored. */ } /* * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT) * into a cooked one (SELECT, EXTEND, PASTE). * * In Unix, this is not configurable; the X button arrangement is * rock-solid across all applications, everyone has a three-button * mouse or a means of faking it, and there is no need to switch * buttons around at all. */ Mouse_Button translate_button(Mouse_Button button) { if (button == MBT_LEFT) return MBT_SELECT; if (button == MBT_MIDDLE) return MBT_PASTE; if (button == MBT_RIGHT) return MBT_EXTEND; return 0; /* shouldn't happen */ } /* * Minimise or restore the window in response to a server-side * request. */ void set_iconic(int iconic) { /* FIXME: currently ignored */ } /* * Move the window in response to a server-side request. */ void move_window(int x, int y) { /* FIXME: currently ignored */ } /* * Move the window to the top or bottom of the z-order in response * to a server-side request. */ void set_zorder(int top) { /* FIXME: currently ignored */ } /* * Refresh the window in response to a server-side request. */ void refresh_window(void) { /* FIXME: currently ignored */ } /* * Maximise or restore the window in response to a server-side * request. */ void set_zoomed(int zoomed) { /* FIXME: currently ignored */ } /* * Report whether the window is iconic, for terminal reports. */ int is_iconic(void) { return 0; /* FIXME */ } /* * Report the window's position, for terminal reports. */ void get_window_pos(int *x, int *y) { *x = 3; *y = 4; /* FIXME */ } /* * Report the window's pixel size, for terminal reports. */ void get_window_pixels(int *x, int *y) { *x = 1; *y = 2; /* FIXME */ } /* * Return the window or icon title. */ char *get_window_title(int icon) { return "FIXME: window title retrieval not yet implemented"; } gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data) { /* * FIXME: warn on close? */ return FALSE; } gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data) { struct gui_data *inst = (struct gui_data *)data; if (inst->pixmap) gdk_pixmap_unref(inst->pixmap); inst->pixmap = gdk_pixmap_new(widget->window, 9*80, 15*24, -1); inst->fonts[0] = gdk_font_load("9x15t"); /* XXCONFIG */ inst->fonts[1] = NULL; /* XXCONFIG */ inst->black_gc = widget->style->black_gc; inst->white_gc = widget->style->white_gc; /* * Set up the colour map. */ inst->colmap = gdk_colormap_get_system(); { static const int ww[] = { 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 0, 1, 2, 3, 4, 5 }; gboolean success[NCOLOURS]; int i; assert(lenof(ww) == NCOLOURS); for (i = 0; i < NCOLOURS; i++) { inst->cols[i].red = cfg.colours[ww[i]][0] * 0x0101; inst->cols[i].green = cfg.colours[ww[i]][1] * 0x0101; inst->cols[i].blue = cfg.colours[ww[i]][2] * 0x0101; } gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS, FALSE, FALSE, success); for (i = 0; i < NCOLOURS; i++) { if (!success[i]) g_error("pterm: couldn't allocate colour %d (#%02x%02x%02x)\n", i, cfg.colours[i][0], cfg.colours[i][1], cfg.colours[i][2]); } } 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. */ term_paint(NULL, event->area.x / 9, event->area.y / 15, (event->area.x + event->area.width - 1) / 9, (event->area.y + event->area.height - 1) / 15); 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; */ if (event->type == GDK_KEY_PRESS) { ldisc_send(event->string, strlen(event->string), 1); term_out(); } return TRUE; } gint timer_func(gpointer data) { /* struct gui_data *inst = (struct gui_data *)data; */ term_update(); return TRUE; } void destroy(GtkWidget *widget, gpointer data) { gtk_main_quit(); } gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data) { has_focus = event->in; term_out(); term_update(); return FALSE; } /* * set or clear the "raw mouse message" mode */ void set_raw_mouse_mode(int activate) { activate = activate && !cfg.no_mouse_rep; send_raw_mouse = activate; if (send_raw_mouse) gdk_window_set_cursor(inst->area->window, inst->rawcursor); else gdk_window_set_cursor(inst->area->window, inst->textcursor); } void request_resize(int w, int h) { /* FIXME: currently ignored */ } void palette_set(int n, int r, int g, int b) { /* FIXME: currently ignored */ } void palette_reset(void) { /* FIXME: currently ignored */ } void write_clip(wchar_t * data, int len, int must_deselect) { /* FIXME: currently ignored */ } void get_clip(wchar_t ** p, int *len) { if (p) { /* FIXME: currently nonfunctional */ *p = NULL; *len = 0; } } void set_title(char *title) { /* FIXME: currently ignored */ } void set_icon(char *title) { /* FIXME: currently ignored */ } void set_sbar(int total, int start, int page) { /* FIXME: currently ignored */ } void sys_cursor(int x, int y) { /* * This is meaningless under X. */ } void beep(int mode) { gdk_beep(); } int CharWidth(Context ctx, int uc) { /* * Under X, any fixed-width font really _is_ fixed-width. * Double-width characters will be dealt with using a separate * font. For the moment we can simply return 1. */ return 1; } Context get_ctx(void) { GdkGC *gc; if (!inst->area->window) return NULL; gc = gdk_gc_new(inst->area->window); return gc; } void free_ctx(Context ctx) { GdkGC *gc = (GdkGC *)ctx; gdk_gc_unref(gc); } /* * Draw a line of text in the window, at given character * coordinates, in given attributes. * * We are allowed to fiddle with the contents of `text'. */ void do_text(Context ctx, int x, int y, char *text, int len, unsigned long attr, int lattr) { int nfg, nbg, t; GdkGC *gc = (GdkGC *)ctx; /* * NYI: * - ATTR_WIDE (is this for Unicode CJK? I hope so) * - LATTR_* (ESC # 4 double-width and double-height stuff) * - cursor shapes other than block * - VT100 line drawing stuff; code pages in general! * - shadow bolding * - underline */ nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT); nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT); if (attr & ATTR_REVERSE) { t = nfg; nfg = nbg; nbg = t; } if (cfg.bold_colour && (attr & ATTR_BOLD)) nfg++; if (cfg.bold_colour && (attr & ATTR_BLINK)) nbg++; if (attr & TATTR_ACTCURS) { nfg = NCOLOURS-2; nbg = NCOLOURS-1; } gdk_gc_set_foreground(gc, &inst->cols[nbg]); gdk_draw_rectangle(inst->pixmap, gc, 1, x*9, y*15, len*9, 15); gdk_gc_set_foreground(gc, &inst->cols[nfg]); gdk_draw_text(inst->pixmap, inst->fonts[0], gc, x*9, y*15 + inst->fonts[0]->ascent, text, len); if (attr & ATTR_UNDER) { int uheight = inst->fonts[0]->ascent + 1; if (uheight >= 15) uheight = 14; gdk_draw_line(inst->pixmap, gc, x*9, y*15 + uheight, (x+len)*9-1, y*15+uheight); } gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, x*9, y*15, x*9, y*15, len*9, 15); } void do_cursor(Context ctx, int x, int y, char *text, int len, unsigned long attr, int lattr) { int passive; GdkGC *gc = (GdkGC *)ctx; /* * NYI: cursor shapes other than block */ if (attr & TATTR_PASCURS) { attr &= ~TATTR_PASCURS; passive = 1; } else passive = 0; do_text(ctx, x, y, text, len, attr, lattr); if (passive) { gdk_gc_set_foreground(gc, &inst->cols[NCOLOURS-1]); gdk_draw_rectangle(inst->pixmap, gc, 0, x*9, y*15, len*9-1, 15-1); gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, x*9, y*15, x*9, y*15, len*9, 15); } } 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); } int main(int argc, char **argv) { GtkWidget *window; gtk_init(&argc, &argv); do_defaults(NULL, &cfg); init_ucs(); back = &pty_backend; back->init(NULL, 0, NULL, 0); window = gtk_window_new(GTK_WINDOW_TOPLEVEL); inst->area = gtk_drawing_area_new(); gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), 9*80, 15*24);/* FIXME: proper resizing stuff */ gtk_container_add(GTK_CONTAINER(window), inst->area); gtk_signal_connect(GTK_OBJECT(window), "destroy", GTK_SIGNAL_FUNC(destroy), inst); gtk_signal_connect(GTK_OBJECT(window), "delete_event", GTK_SIGNAL_FUNC(delete_window), inst); gtk_signal_connect(GTK_OBJECT(window), "key_press_event", GTK_SIGNAL_FUNC(key_event), inst); gtk_signal_connect(GTK_OBJECT(window), "focus_in_event", GTK_SIGNAL_FUNC(focus_event), inst); gtk_signal_connect(GTK_OBJECT(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_timeout_add(20, timer_func, inst); gtk_widget_add_events(GTK_WIDGET(inst->area), GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); gtk_widget_show(inst->area); gtk_widget_show(window); inst->textcursor = gdk_cursor_new(GDK_XTERM); inst->rawcursor = gdk_cursor_new(GDK_ARROW); gdk_window_set_cursor(inst->area->window, inst->textcursor); term_init(); term_size(24, 80, 2000); gtk_main(); return 0; }