X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/f7f273099c8798f70611550bfc06b417e5c28ac7..417d19722e3535ab06bfb59d8e570f5e053489eb:/unix/pterm.c diff --git a/unix/pterm.c b/unix/pterm.c index d29762a3..b18fc1f7 100644 --- a/unix/pterm.c +++ b/unix/pterm.c @@ -4,95 +4,279 @@ */ #include +#include #include +#include #include +#include +#include +#include #include +#include + +#define PUTTY_DO_GLOBALS /* actually _define_ globals */ +#include "putty.h" #define CAT2(x,y) x ## y #define CAT(x,y) CAT2(x,y) #define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)} -#define lenof(x) (sizeof((x))/sizeof(*(x))) +#define NCOLOURS (lenof(((Config *)0)->colours)) struct gui_data { - GtkWidget *area; + GtkWidget *window, *area, *sbar; + GtkBox *hbox; + GtkAdjustment *sbar_adjust; + GdkPixmap *pixmap; GdkFont *fonts[2]; /* normal and bold (for now!) */ - GdkGC *black_gc, *white_gc; + GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor; + GdkColor cols[NCOLOURS]; + GdkColormap *colmap; + wchar_t *pastein_data; + int pastein_data_len; + char *pasteout_data; + int pasteout_data_len; + int font_width, font_height; + int ignore_sbar; + GdkAtom compound_text_atom; + char wintitle[sizeof(((Config *)0)->wintitle)]; }; +static struct gui_data the_inst; +static struct gui_data *inst = &the_inst; /* so we always write `inst->' */ +static int send_raw_mouse; + +void ldisc_update(int echo, int edit) +{ + /* + * This is a stub in pterm. If I ever produce a Unix + * command-line ssh/telnet/rlogin client (i.e. a port of plink) + * then it will require some termios manoeuvring analogous to + * that in the Windows plink.c, but here it's meaningless. + */ +} + +int askappend(char *filename) +{ + /* + * 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) +{ + /* + * This is not a very helpful function: events are logged + * pretty much exclusively by the back end, and our pty back + * end is self-contained. So we need do nothing. + */ +} + +/* + * 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 inst->wintitle; +} + gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data) { /* - * FIXME: warn on close? + * We could implement warn-on-close here if we really wanted + * to. */ return FALSE; } +void show_mouseptr(int show) +{ + if (!cfg.hide_mouseptr) + show = 1; + if (show) + gdk_window_set_cursor(inst->area->window, inst->currcursor); + else + gdk_window_set_cursor(inst->area->window, inst->blankcursor); +} + gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data) { struct gui_data *inst = (struct gui_data *)data; + int w, h, need_size = 0; + + w = (event->width - 2*cfg.window_border) / inst->font_width; + h = (event->height - 2*cfg.window_border) / inst->font_height; + + if (w != cfg.width || h != cfg.height) { + if (inst->pixmap) { + gdk_pixmap_unref(inst->pixmap); + inst->pixmap = NULL; + } + cfg.width = w; + cfg.height = h; + need_size = 1; + } + if (!inst->pixmap) { + GdkGC *gc; - inst->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; + inst->pixmap = gdk_pixmap_new(widget->window, + (cfg.width * inst->font_width + + 2*cfg.window_border), + (cfg.height * inst->font_height + + 2*cfg.window_border), -1); + + gc = gdk_gc_new(inst->area->window); + gdk_gc_set_foreground(gc, &inst->cols[18]); /* default background */ + gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0, + cfg.width * inst->font_width + 2*cfg.window_border, + cfg.height * inst->font_height + 2*cfg.window_border); + gdk_gc_unref(gc); + } + + if (need_size) { + term_size(h, w, cfg.savelines); + } -#if 0 /* FIXME: get cmap from settings */ /* * Set up the colour map. */ - inst->colmap = gdk_colormap_get_system(); - { - char *colours[] = { - "#cc0000", "#880000", "#ff0000", - "#cc6600", "#884400", "#ff7f00", - "#cc9900", "#886600", "#ffbf00", - "#cccc00", "#888800", "#ffff00", - "#00cc00", "#008800", "#00ff00", - "#008400", "#005800", "#00b000", - "#008484", "#005858", "#00b0b0", - "#00cccc", "#008888", "#00ffff", - "#0066cc", "#004488", "#007fff", - "#9900cc", "#660088", "#bf00ff", - "#cc00cc", "#880088", "#ff00ff", - "#cc9999", "#886666", "#ffbfbf", - "#cccc99", "#888866", "#ffffbf", - "#99cc99", "#668866", "#bfffbf", - "#9999cc", "#666688", "#bfbfff", - "#757575", "#4e4e4e", "#9c9c9c", - "#999999", "#666666", "#bfbfbf", - "#cccccc", "#888888", "#ffffff", + if (!inst->colmap) { + 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 }; - ASSERT(sizeof(colours)/sizeof(*colours)==3*NCOLOURS); - gboolean success[3*NCOLOURS]; + gboolean success[NCOLOURS]; int i; - for (i = 0; i < 3*NCOLOURS; i++) { - if (!gdk_color_parse(colours[i], &inst->cols[i])) - g_error("4tris: couldn't parse colour \"%s\"\n", colours[i]); + inst->colmap = gdk_colormap_get_system(); + + 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, 3*NCOLOURS, + gdk_colormap_alloc_colors(inst->colmap, inst->cols, NCOLOURS, FALSE, FALSE, success); - for (i = 0; i < 3*NCOLOURS; i++) { + for (i = 0; i < NCOLOURS; i++) { if (!success[i]) - g_error("4tris: couldn't allocate colour \"%s\"\n", colours[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]); } } -#endif return TRUE; } gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data) { - struct gui_data *inst = (struct gui_data *)data; + /* struct gui_data *inst = (struct gui_data *)data; */ /* - * FIXME: pass the exposed rect to terminal.c which will call - * us back to do the actual painting. + * Pass the exposed rectangle to terminal.c, which will call us + * back to do the actual painting. */ - return FALSE; + 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) \ @@ -100,21 +284,527 @@ gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data) gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data) { + /* struct gui_data *inst = (struct gui_data *)data; */ + char output[32]; + int start, end; + + 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: + * - nethack mode + * - alt+numpad + * - Compose key (!!! requires Unicode faff before even trying) + */ + + /* + * Shift-PgUp and Shift-PgDn don't even generate keystrokes + * at all. + */ + if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) { + term_scroll(0, -cfg.height/2); + return TRUE; + } + if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) { + term_scroll(0, +cfg.height/2); + return TRUE; + } + + /* + * Neither does Shift-Ins. + */ + if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) { + request_paste(); + return TRUE; + } + + /* ALT+things gives leading Escape. */ + output[0] = '\033'; + strncpy(output+1, event->string, 31); + output[31] = '\0'; + end = strlen(output); + if (event->state & GDK_MOD1_MASK) + start = 0; + else + start = 1; + + /* Control-` is the same as Control-\ (unless gtk has a better idea) */ + if (!event->string[0] && event->keyval == '`' && + (event->state & GDK_CONTROL_MASK)) { + output[1] = '\x1C'; + end = 2; + } + + /* Control-Break is the same as Control-C */ + if (event->keyval == GDK_Break && + (event->state & GDK_CONTROL_MASK)) { + output[1] = '\003'; + end = 2; + } + + /* Control-2, Control-Space and Control-@ are NUL */ + if (!event->string[0] && + (event->keyval == ' ' || event->keyval == '2' || + event->keyval == '@') && + (event->state & (GDK_SHIFT_MASK | + GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) { + output[1] = '\0'; + end = 2; + } + + /* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */ + if (!event->string[0] && event->keyval == ' ' && + (event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) == + (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) { + output[1] = '\240'; + end = 2; + } + + /* We don't let GTK tell us what Backspace is! We know better. */ + if (event->keyval == GDK_BackSpace && + !(event->state & GDK_SHIFT_MASK)) { + output[1] = cfg.bksp_is_delete ? '\x7F' : '\x08'; + end = 2; + } + + /* Shift-Tab is ESC [ Z */ + if (event->keyval == GDK_ISO_Left_Tab || + (event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) { + end = 1 + sprintf(output+1, "\033[Z"); + } + + /* + * NetHack keypad mode. + */ + if (cfg.nethack_keypad) { + char *keys = NULL; + switch (event->keyval) { + case GDK_KP_1: case GDK_KP_End: keys = "bB"; break; + case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break; + case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break; + case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break; + case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break; + case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break; + case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break; + case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break; + case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break; + } + if (keys) { + end = 2; + if (event->state & GDK_SHIFT_MASK) + output[1] = keys[1]; + else + output[1] = keys[0]; + goto done; + } + } + + /* + * Application keypad mode. + */ + if (app_keypad_keys && !cfg.no_applic_k) { + int xkey = 0; + switch (event->keyval) { + case GDK_Num_Lock: xkey = 'P'; break; + case GDK_KP_Divide: xkey = 'Q'; break; + case GDK_KP_Multiply: xkey = 'R'; break; + case GDK_KP_Subtract: xkey = 'S'; break; + /* + * Keypad + is tricky. It covers a space that would + * be taken up on the VT100 by _two_ keys; so we + * let Shift select between the two. Worse still, + * in xterm function key mode we change which two... + */ + case GDK_KP_Add: + if (cfg.funky_type == 2) { + if (event->state & GDK_SHIFT_MASK) + xkey = 'l'; + else + xkey = 'k'; + } else if (event->state & GDK_SHIFT_MASK) + xkey = 'm'; + else + xkey = 'l'; + break; + case GDK_KP_Enter: xkey = 'M'; break; + case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break; + case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break; + case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break; + case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break; + case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break; + case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break; + case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break; + case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break; + case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break; + case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break; + case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break; + } + if (xkey) { + if (vt52_mode) { + if (xkey >= 'P' && xkey <= 'S') + end = 1 + sprintf(output+1, "\033%c", xkey); + else + end = 1 + sprintf(output+1, "\033?%c", xkey); + } else + end = 1 + sprintf(output+1, "\033O%c", xkey); + goto done; + } + } + + /* + * Next, all the keys that do tilde codes. (ESC '[' nn '~', + * for integer decimal nn.) + * + * We also deal with the weird ones here. Linux VCs replace F1 + * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but + * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w + * respectively. + */ + { + int code = 0; + switch (event->keyval) { + case GDK_F1: + code = (event->state & GDK_SHIFT_MASK ? 23 : 11); + break; + case GDK_F2: + code = (event->state & GDK_SHIFT_MASK ? 24 : 12); + break; + case GDK_F3: + code = (event->state & GDK_SHIFT_MASK ? 25 : 13); + break; + case GDK_F4: + code = (event->state & GDK_SHIFT_MASK ? 26 : 14); + break; + case GDK_F5: + code = (event->state & GDK_SHIFT_MASK ? 28 : 15); + break; + case GDK_F6: + code = (event->state & GDK_SHIFT_MASK ? 29 : 17); + break; + case GDK_F7: + code = (event->state & GDK_SHIFT_MASK ? 31 : 18); + break; + case GDK_F8: + code = (event->state & GDK_SHIFT_MASK ? 32 : 19); + break; + case GDK_F9: + code = (event->state & GDK_SHIFT_MASK ? 33 : 20); + break; + case GDK_F10: + code = (event->state & GDK_SHIFT_MASK ? 34 : 21); + break; + case GDK_F11: + code = 23; + break; + case GDK_F12: + code = 24; + break; + case GDK_F13: + code = 25; + break; + case GDK_F14: + code = 26; + break; + case GDK_F15: + code = 28; + break; + case GDK_F16: + code = 29; + break; + case GDK_F17: + code = 31; + break; + case GDK_F18: + code = 32; + break; + case GDK_F19: + code = 33; + break; + case GDK_F20: + code = 34; + break; + } + if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) { + case GDK_Home: case GDK_KP_Home: + code = 1; + break; + case GDK_Insert: case GDK_KP_Insert: + code = 2; + break; + case GDK_Delete: case GDK_KP_Delete: + code = 3; + break; + case GDK_End: case GDK_KP_End: + code = 4; + break; + case GDK_Page_Up: case GDK_KP_Page_Up: + code = 5; + break; + case GDK_Page_Down: case GDK_KP_Page_Down: + code = 6; + break; + } + /* Reorder edit keys to physical order */ + if (cfg.funky_type == 3 && code <= 6) + code = "\0\2\1\4\5\3\6"[code]; + + if (vt52_mode && code > 0 && code <= 6) { + end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]); + goto done; + } + + if (cfg.funky_type == 5 && /* SCO function keys */ + code >= 11 && code <= 34) { + char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{"; + int index = 0; + switch (event->keyval) { + case GDK_F1: index = 0; break; + case GDK_F2: index = 1; break; + case GDK_F3: index = 2; break; + case GDK_F4: index = 3; break; + case GDK_F5: index = 4; break; + case GDK_F6: index = 5; break; + case GDK_F7: index = 6; break; + case GDK_F8: index = 7; break; + case GDK_F9: index = 8; break; + case GDK_F10: index = 9; break; + case GDK_F11: index = 10; break; + case GDK_F12: index = 11; break; + } + if (event->state & GDK_SHIFT_MASK) index += 12; + if (event->state & GDK_CONTROL_MASK) index += 24; + end = 1 + sprintf(output+1, "\x1B[%c", codes[index]); + goto done; + } + if (cfg.funky_type == 5 && /* SCO small keypad */ + code >= 1 && code <= 6) { + char codes[] = "HL.FIG"; + if (code == 3) { + output[1] = '\x7F'; + end = 2; + } else { + end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]); + } + goto done; + } + if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) { + int offt = 0; + if (code > 15) + offt++; + if (code > 21) + offt++; + if (vt52_mode) + end = 1 + sprintf(output+1, + "\x1B%c", code + 'P' - 11 - offt); + else + end = 1 + sprintf(output+1, + "\x1BO%c", code + 'P' - 11 - offt); + goto done; + } + if (cfg.funky_type == 1 && code >= 11 && code <= 15) { + end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11); + goto done; + } + if (cfg.funky_type == 2 && code >= 11 && code <= 14) { + if (vt52_mode) + end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11); + else + end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11); + goto done; + } + if (cfg.rxvt_homeend && (code == 1 || code == 4)) { + end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw"); + goto done; + } + if (code) { + end = 1 + sprintf(output+1, "\x1B[%d~", code); + goto done; + } + } + + /* + * Cursor keys. (This includes the numberpad cursor keys, + * if we haven't already done them due to app keypad mode.) + * + * Here we also process un-numlocked un-appkeypadded KP5, + * which sends ESC [ G. + */ + { + int xkey = 0; + switch (event->keyval) { + case GDK_Up: case GDK_KP_Up: xkey = 'A'; break; + case GDK_Down: case GDK_KP_Down: xkey = 'B'; break; + case GDK_Right: case GDK_KP_Right: xkey = 'C'; break; + case GDK_Left: case GDK_KP_Left: xkey = 'D'; break; + case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break; + } + if (xkey) { + /* + * The arrow keys normally do ESC [ A and so on. In + * app cursor keys mode they do ESC O A instead. + * Ctrl toggles the two modes. + */ + if (vt52_mode) { + end = 1 + sprintf(output+1, "\033%c", xkey); + } else if (!app_cursor_keys ^ + !(event->state & GDK_CONTROL_MASK)) { + end = 1 + sprintf(output+1, "\033O%c", xkey); + } else { + end = 1 + sprintf(output+1, "\033[%c", xkey); + } + goto done; + } + } + + done: + +#ifdef KEY_DEBUGGING + { + int i; + printf("generating sequence:"); + for (i = start; i < end; i++) + printf(" %02x", (unsigned char) output[i]); + printf("\n"); + } +#endif + if (end-start > 0) { + ldisc_send(output+start, end-start, 1); + show_mouseptr(0); + term_out(); + } + } + + return TRUE; +} + +gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data) +{ struct gui_data *inst = (struct gui_data *)data; + int shift, ctrl, alt, x, y, button, act; - /* - * FIXME: all sorts of fun keyboard handling required here. - */ + show_mouseptr(1); + + shift = event->state & GDK_SHIFT_MASK; + ctrl = event->state & GDK_CONTROL_MASK; + alt = event->state & GDK_MOD1_MASK; + if (event->button == 1) + button = MBT_LEFT; + else if (event->button == 2) + button = MBT_MIDDLE; + else if (event->button == 3) + button = MBT_RIGHT; + else + return FALSE; /* don't even know what button! */ + + switch (event->type) { + case GDK_BUTTON_PRESS: act = MA_CLICK; break; + case GDK_BUTTON_RELEASE: act = MA_RELEASE; break; + case GDK_2BUTTON_PRESS: act = MA_2CLK; break; + case GDK_3BUTTON_PRESS: act = MA_3CLK; break; + default: return FALSE; /* don't know this event type */ + } + + if (send_raw_mouse && !(cfg.mouse_override && shift) && + act != MA_CLICK && act != MA_RELEASE) + return TRUE; /* we ignore these in raw mouse mode */ + + x = (event->x - cfg.window_border) / inst->font_width; + y = (event->y - cfg.window_border) / inst->font_height; + + term_mouse(button, act, x, y, shift, ctrl, alt); + + return TRUE; } -gint timer_func(gpointer data) +gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data) { struct gui_data *inst = (struct gui_data *)data; + int shift, ctrl, alt, x, y, button; + + show_mouseptr(1); + + shift = event->state & GDK_SHIFT_MASK; + ctrl = event->state & GDK_CONTROL_MASK; + alt = event->state & GDK_MOD1_MASK; + if (event->state & GDK_BUTTON1_MASK) + button = MBT_LEFT; + else if (event->state & GDK_BUTTON2_MASK) + button = MBT_MIDDLE; + else if (event->state & GDK_BUTTON3_MASK) + button = MBT_RIGHT; + else + return FALSE; /* don't even know what button! */ + + x = (event->x - cfg.window_border) / inst->font_width; + y = (event->y - cfg.window_border) / inst->font_height; + + term_mouse(button, MA_DRAG, x, y, shift, ctrl, alt); + + return TRUE; +} + +gint timer_func(gpointer data) +{ + /* struct gui_data *inst = (struct gui_data *)data; */ + extern int pty_child_is_dead(); /* declared in pty.c */ + + if (pty_child_is_dead()) { + /* + * The primary child process died. We could keep the + * terminal open for remaining subprocesses to output to, + * but conventional wisdom seems to feel that that's the + * Wrong Thing for an xterm-alike, so we bail out now. This + * would be easy enough to change or make configurable if + * necessary. + */ + exit(0); + } + + term_update(); + return TRUE; +} + +gint idle_func(gpointer data) +{ + /* struct gui_data *inst = (struct gui_data *)data; */ + term_paste(); + return TRUE; +} + +void pty_input_func(gpointer data, gint sourcefd, GdkInputCondition condition) +{ + /* struct gui_data *inst = (struct gui_data *)data; */ + char buf[4096]; + int ret; + + ret = read(sourcefd, buf, sizeof(buf)); /* - * FIXME: we're bound to need this sooner or later! + * Clean termination condition is that either ret == 0, or ret + * < 0 and errno == EIO. Not sure why the latter, but it seems + * to happen. Boo. */ - return TRUE; + if (ret == 0 || (ret < 0 && errno == EIO)) { + exit(0); + } + + if (ret < 0) { + perror("read pty master"); + exit(1); + } + if (ret > 0) + from_backend(0, buf, ret); + term_out(); } void destroy(GtkWidget *widget, gpointer data) @@ -124,48 +814,523 @@ void destroy(GtkWidget *widget, gpointer data) gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data) { + has_focus = event->in; + term_out(); + term_update(); + show_mouseptr(1); + return FALSE; +} + +/* + * set or clear the "raw mouse message" mode + */ +void set_raw_mouse_mode(int activate) +{ + activate = activate && !cfg.no_mouse_rep; + send_raw_mouse = activate; + if (send_raw_mouse) + inst->currcursor = inst->rawcursor; + else + inst->currcursor = inst->textcursor; + show_mouseptr(1); +} + +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) +{ + if (inst->pasteout_data) + sfree(inst->pasteout_data); + inst->pasteout_data = smalloc(len); + inst->pasteout_data_len = len; + wc_to_mb(0, 0, data, len, inst->pasteout_data, inst->pasteout_data_len, + NULL, NULL); + + if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY, + GDK_CURRENT_TIME)) { + gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, + GDK_SELECTION_TYPE_STRING, 1); + gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY, + inst->compound_text_atom, 1); + } +} + +void selection_get(GtkWidget *widget, GtkSelectionData *seldata, + guint info, guint time_stamp, gpointer data) +{ + gtk_selection_data_set(seldata, GDK_SELECTION_TYPE_STRING, 8, + inst->pasteout_data, inst->pasteout_data_len); +} + +gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata, + gpointer data) +{ + term_deselect(); + if (inst->pasteout_data) + sfree(inst->pasteout_data); + inst->pasteout_data = NULL; + inst->pasteout_data_len = 0; + return TRUE; +} + +void request_paste(void) +{ /* - * FIXME: need to faff with the cursor shape. + * In Unix, pasting is asynchronous: all we can do at the + * moment is to call gtk_selection_convert(), and when the data + * comes back _then_ we can call term_do_paste(). */ + gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY, + GDK_SELECTION_TYPE_STRING, GDK_CURRENT_TIME); +} + +void selection_received(GtkWidget *widget, GtkSelectionData *seldata, + gpointer data) +{ + if (seldata->length <= 0 || + seldata->type != GDK_SELECTION_TYPE_STRING) + return; /* Nothing happens. */ + + if (inst->pastein_data) + sfree(inst->pastein_data); + + inst->pastein_data = smalloc(seldata->length * sizeof(wchar_t)); + inst->pastein_data_len = seldata->length; + mb_to_wc(0, 0, seldata->data, seldata->length, + inst->pastein_data, inst->pastein_data_len); + + term_do_paste(); +} + +void get_clip(wchar_t ** p, int *len) +{ + if (p) { + *p = inst->pastein_data; + *len = inst->pastein_data_len; + } +} + +void set_title(char *title) +{ + strncpy(inst->wintitle, title, lenof(inst->wintitle)); + inst->wintitle[lenof(inst->wintitle)-1] = '\0'; + gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle); +} + +void set_icon(char *title) +{ + /* FIXME: currently ignored */ +} + +void set_sbar(int total, int start, int page) +{ + inst->sbar_adjust->lower = 0; + inst->sbar_adjust->upper = total; + inst->sbar_adjust->value = start; + inst->sbar_adjust->page_size = page; + inst->sbar_adjust->step_increment = 1; + inst->sbar_adjust->page_increment = page/2; + inst->ignore_sbar = TRUE; + gtk_adjustment_changed(inst->sbar_adjust); + inst->ignore_sbar = FALSE; +} + +void scrollbar_moved(GtkAdjustment *adj, gpointer data) +{ + if (!inst->ignore_sbar) + term_scroll(1, (int)adj->value); +} + +void sys_cursor(int x, int y) +{ + /* + * This is meaningless under X. + */ +} + +void beep(int mode) +{ + gdk_beep(); +} + +int CharWidth(Context ctx, int uc) +{ + /* + * Under X, any fixed-width font really _is_ fixed-width. + * Double-width characters will be dealt with using a separate + * font. For the moment we can simply return 1. + */ + return 1; +} + +Context get_ctx(void) +{ + GdkGC *gc; + if (!inst->area->window) + return NULL; + gc = gdk_gc_new(inst->area->window); + return gc; +} + +void free_ctx(Context ctx) +{ + GdkGC *gc = (GdkGC *)ctx; + gdk_gc_unref(gc); +} + +/* + * Draw a line of text in the window, at given character + * coordinates, in given attributes. + * + * We are allowed to fiddle with the contents of `text'. + */ +void do_text(Context ctx, int x, int y, char *text, int len, + unsigned long attr, int lattr) +{ + int nfg, nbg, t; + GdkGC *gc = (GdkGC *)ctx; + + /* + * NYI: + * - Unicode, code pages, and ATTR_WIDE for CJK support. + * - LATTR_* (ESC # 4 double-width and double-height stuff) + * - cursor shapes other than block + * - shadow bolding + */ + + nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT); + nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT); + if (attr & ATTR_REVERSE) { + t = nfg; + nfg = nbg; + nbg = t; + } + if (cfg.bold_colour && (attr & ATTR_BOLD)) + nfg++; + if (cfg.bold_colour && (attr & ATTR_BLINK)) + nbg++; + if (attr & TATTR_ACTCURS) { + nfg = NCOLOURS-2; + nbg = NCOLOURS-1; + } + + gdk_gc_set_foreground(gc, &inst->cols[nbg]); + gdk_draw_rectangle(inst->pixmap, gc, 1, + x*inst->font_width+cfg.window_border, + y*inst->font_height+cfg.window_border, + len*inst->font_width, inst->font_height); + + gdk_gc_set_foreground(gc, &inst->cols[nfg]); + gdk_draw_text(inst->pixmap, inst->fonts[0], gc, + x*inst->font_width+cfg.window_border, + y*inst->font_height+cfg.window_border+inst->fonts[0]->ascent, + text, len); + + if (attr & ATTR_UNDER) { + int uheight = inst->fonts[0]->ascent + 1; + if (uheight >= inst->font_height) + uheight = inst->font_height - 1; + gdk_draw_line(inst->pixmap, gc, x*inst->font_width+cfg.window_border, + y*inst->font_height + uheight + cfg.window_border, + (x+len)*inst->font_width-1+cfg.window_border, + y*inst->font_height + uheight + cfg.window_border); + } + + gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, + x*inst->font_width+cfg.window_border, + y*inst->font_height+cfg.window_border, + x*inst->font_width+cfg.window_border, + y*inst->font_height+cfg.window_border, + len*inst->font_width, inst->font_height); +} + +void do_cursor(Context ctx, int x, int y, char *text, int len, + unsigned long attr, int lattr) +{ + int passive; + GdkGC *gc = (GdkGC *)ctx; + + /* + * 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*inst->font_width+cfg.window_border, + y*inst->font_height+cfg.window_border, + len*inst->font_width-1, inst->font_height-1); + gdk_draw_pixmap(inst->area->window, gc, inst->pixmap, + x*inst->font_width+cfg.window_border, + y*inst->font_height+cfg.window_border, + x*inst->font_width+cfg.window_border, + y*inst->font_height+cfg.window_border, + len*inst->font_width, inst->font_height); + } +} + +GdkCursor *make_mouse_ptr(int cursor_val) +{ + /* + * Truly hideous hack: GTK doesn't allow us to set the mouse + * cursor foreground and background colours unless we've _also_ + * created our own cursor from bitmaps. Therefore, I need to + * load the `cursor' font and draw glyphs from it on to + * pixmaps, in order to construct my cursors with the fg and bg + * I want. This is a gross hack, but it's more self-contained + * than linking in Xlib to find the X window handle to + * inst->area and calling XRecolorCursor, and it's more + * futureproof than hard-coding the shapes as bitmap arrays. + */ + static GdkFont *cursor_font = NULL; + GdkPixmap *source, *mask; + GdkGC *gc; + GdkColor cfg = { 0, 65535, 65535, 65535 }; + GdkColor cbg = { 0, 0, 0, 0 }; + GdkColor dfg = { 1, 65535, 65535, 65535 }; + GdkColor dbg = { 0, 0, 0, 0 }; + GdkCursor *ret; + gchar text[2]; + gint lb, rb, wid, asc, desc, w, h, x, y; + + if (cursor_val == -2) { + gdk_font_unref(cursor_font); + return NULL; + } + + if (cursor_val >= 0 && !cursor_font) + cursor_font = gdk_font_load("cursor"); + + /* + * Get the text extent of the cursor in question. We use the + * mask character for this, because it's typically slightly + * bigger than the main character. + */ + if (cursor_val >= 0) { + text[1] = '\0'; + text[0] = (char)cursor_val + 1; + gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc); + w = rb-lb; h = asc+desc; x = -lb; y = asc; + } else { + w = h = 1; + x = y = 0; + } + + source = gdk_pixmap_new(NULL, w, h, 1); + mask = gdk_pixmap_new(NULL, w, h, 1); + + /* + * Draw the mask character on the mask pixmap. + */ + gc = gdk_gc_new(mask); + gdk_gc_set_foreground(gc, &dbg); + gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h); + if (cursor_val >= 0) { + text[1] = '\0'; + text[0] = (char)cursor_val + 1; + gdk_gc_set_foreground(gc, &dfg); + gdk_draw_text(mask, cursor_font, gc, x, y, text, 1); + } + gdk_gc_unref(gc); + + /* + * Draw the main character on the source pixmap. + */ + gc = gdk_gc_new(source); + gdk_gc_set_foreground(gc, &dbg); + gdk_draw_rectangle(source, gc, 1, 0, 0, w, h); + if (cursor_val >= 0) { + text[1] = '\0'; + text[0] = (char)cursor_val; + gdk_gc_set_foreground(gc, &dfg); + gdk_draw_text(source, cursor_font, gc, x, y, text, 1); + } + gdk_gc_unref(gc); + + /* + * Create the cursor. + */ + ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y); + + /* + * Clean up. + */ + gdk_pixmap_unref(source); + gdk_pixmap_unref(mask); + + return ret; +} + +void modalfatalbox(char *p, ...) +{ + va_list ap; + fprintf(stderr, "FATAL ERROR: "); + va_start(ap, p); + vfprintf(stderr, p, ap); + va_end(ap); + fputc('\n', stderr); + exit(1); } int main(int argc, char **argv) { - GtkWidget *window; - struct gui_data the_inst; - struct gui_data *inst = &the_inst; /* so we always write `inst->' */ + extern int pty_master_fd; /* declared in pty.c */ + extern char **pty_argv; /* declared in pty.c */ + int err = 0; gtk_init(&argc, &argv); - window = gtk_window_new(GTK_WINDOW_TOPLEVEL); + do_defaults(NULL, &cfg); + + while (--argc > 0) { + char *p = *++argv; + if (!strcmp(p, "-fn")) { + if (--argc > 0) { + strncpy(cfg.font, *++argv, sizeof(cfg.font)); + cfg.font[sizeof(cfg.font)-1] = '\0'; + } else + err = 1, fprintf(stderr, "pterm: -fn expects an argument\n"); + } + if (!strcmp(p, "-e")) { + if (--argc > 0) { + int i; + pty_argv = smalloc((argc+1) * sizeof(char *)); + ++argv; + for (i = 0; i < argc; i++) + pty_argv[i] = argv[i]; + pty_argv[argc] = NULL; + break; /* finished command-line processing */ + } else + err = 1, fprintf(stderr, "pterm: -e expects an argument\n"); + } + if (!strcmp(p, "-T")) { + if (--argc > 0) { + strncpy(cfg.wintitle, *++argv, sizeof(cfg.wintitle)); + cfg.wintitle[sizeof(cfg.wintitle)-1] = '\0'; + } else + err = 1, fprintf(stderr, "pterm: -T expects an argument\n"); + } + if (!strcmp(p, "-hide")) { + cfg.hide_mouseptr = 1; + } + if (!strcmp(p, "-nethack")) { + cfg.nethack_keypad = 1; + } + } + + inst->fonts[0] = gdk_font_load(cfg.font); + inst->fonts[1] = NULL; /* FIXME: what about bold font? */ + inst->font_width = gdk_char_width(inst->fonts[0], ' '); + inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent; + + inst->compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE); + + init_ucs(); + + back = &pty_backend; + back->init(NULL, 0, NULL, 0); + + inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); + + if (cfg.wintitle[0]) + set_title(cfg.wintitle); + else + set_title("pterm"); + inst->area = gtk_drawing_area_new(); gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), - 9*80, 15*24);/* FIXME: proper resizing stuff */ + inst->font_width * cfg.width + 2*cfg.window_border, + inst->font_height * cfg.height + 2*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)); + gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0); + gtk_box_pack_end(inst->hbox, inst->sbar, FALSE, FALSE, 0); - gtk_container_add(GTK_CONTAINER(window), inst->area); + gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox)); - gtk_signal_connect(GTK_OBJECT(window), "destroy", + { + GdkGeometry geom; + geom.min_width = inst->font_width + 2*cfg.window_border; + geom.min_height = inst->font_height + 2*cfg.window_border; + geom.max_width = geom.max_height = -1; + geom.base_width = 2*cfg.window_border; + geom.base_height = 2*cfg.window_border; + geom.width_inc = inst->font_width; + geom.height_inc = inst->font_height; + geom.min_aspect = geom.max_aspect = 0; + gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom, + GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE | + GDK_HINT_RESIZE_INC); + } + + gtk_signal_connect(GTK_OBJECT(inst->window), "destroy", GTK_SIGNAL_FUNC(destroy), inst); - gtk_signal_connect(GTK_OBJECT(window), "delete_event", + gtk_signal_connect(GTK_OBJECT(inst->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), "key_release_event", + gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event", GTK_SIGNAL_FUNC(key_event), inst); - gtk_signal_connect(GTK_OBJECT(window), "focus_in_event", + gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event", GTK_SIGNAL_FUNC(focus_event), inst); - gtk_signal_connect(GTK_OBJECT(window), "focus_out_event", + gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event", GTK_SIGNAL_FUNC(focus_event), inst); gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event", GTK_SIGNAL_FUNC(configure_area), inst); gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event", GTK_SIGNAL_FUNC(expose_area), inst); + gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event", + GTK_SIGNAL_FUNC(button_event), inst); + gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event", + GTK_SIGNAL_FUNC(button_event), inst); + gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event", + GTK_SIGNAL_FUNC(motion_event), inst); + gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received", + GTK_SIGNAL_FUNC(selection_received), inst); + gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get", + GTK_SIGNAL_FUNC(selection_get), inst); + gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event", + GTK_SIGNAL_FUNC(selection_clear), inst); + gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed", + GTK_SIGNAL_FUNC(scrollbar_moved), inst); + gtk_idle_add(idle_func, inst); gtk_timeout_add(20, timer_func, inst); + gdk_input_add(pty_master_fd, GDK_INPUT_READ, pty_input_func, inst); gtk_widget_add_events(GTK_WIDGET(inst->area), - GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); + GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | + GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | + GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK); gtk_widget_show(inst->area); - gtk_widget_show(window); + gtk_widget_show(inst->sbar); + gtk_widget_show(GTK_WIDGET(inst->hbox)); + gtk_widget_show(inst->window); + + inst->textcursor = make_mouse_ptr(GDK_XTERM); + inst->rawcursor = make_mouse_ptr(GDK_LEFT_PTR); + inst->blankcursor = make_mouse_ptr(-1); + make_mouse_ptr(-2); /* clean up cursor font */ + inst->currcursor = inst->textcursor; + show_mouseptr(1); + + term_init(); + term_size(24, 80, 2000); gtk_main();