Support the SSH-2 mechanism for sending signals to a running session. Neither
[u/mdw/putty] / unix / pterm.c
index fba3398..ca2dab8 100644 (file)
@@ -1798,15 +1798,21 @@ void free_ctx(Context ctx)
  *
  * We are allowed to fiddle with the contents of `text'.
  */
-void do_text_internal(Context ctx, int x, int y, char *text, int len,
+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;
 
+    if (attr & TATTR_COMBINING) {
+       ncombining = len;
+       len = 1;
+    } else
+       ncombining = 1;
+
     nfg = ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
     nfg = 2 * (nfg & 0xF) + (nfg & 0x10 ? 1 : 0);
     nbg = ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
@@ -1841,7 +1847,7 @@ void do_text_internal(Context ctx, int x, int y, char *text, int len,
            shadow = 1;
     }
 
-    if (lattr != LATTR_NORM) {
+    if ((lattr & LATTR_MODE) != LATTR_NORM) {
        x *= 2;
        if (x >= inst->term->cols)
            return;
@@ -1874,9 +1880,9 @@ void do_text_internal(Context ctx, int x, int y, char *text, int len,
        wchar_t *wcs;
        int i;
 
-       wcs = snewn(len+1, wchar_t);
-       for (i = 0; i < len; i++) {
-           wcs[i] = (wchar_t) ((attr & CSET_MASK) + (text[i] & CHAR_MASK));
+       wcs = snewn(len*ncombining+1, wchar_t);
+       for (i = 0; i < len*ncombining; i++) {
+           wcs[i] = text[i];
        }
 
        if (inst->fonts[fontid] == NULL) {
@@ -1907,33 +1913,40 @@ void do_text_internal(Context ctx, int x, int y, char *text, int len,
             * FIXME: when we have a wide-char equivalent of
             * from_unicode, use it instead of this.
             */
-           for (i = 0; i <= len; i++)
-               gwcs[i] = wcs[i];
-           gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc,
-                            x*inst->font_width+inst->cfg.window_border,
-                            y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
-                            gwcs, len*2);
+           for (combining = 0; combining < ncombining; combining++) {
+               for (i = 0; i <= len; i++)
+                   gwcs[i] = wcs[i + combining];
+               gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc,
+                                x*inst->font_width+inst->cfg.window_border,
+                                y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
+                                gwcs, len*2);
+               if (shadow)
+                   gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc,
+                                    x*inst->font_width+inst->cfg.window_border+inst->cfg.shadowboldoffset,
+                                    y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
+                                    gwcs, len*2);
+           }
            sfree(gwcs);
        } else {
            gcs = snewn(len+1, gchar);
-           wc_to_mb(inst->fontinfo[fontid].charset, 0,
-                    wcs, len, gcs, len, ".", NULL, NULL);
-           gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
-                         x*inst->font_width+inst->cfg.window_border,
-                         y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
-                         gcs, len);
+           for (combining = 0; combining < ncombining; combining++) {
+               wc_to_mb(inst->fontinfo[fontid].charset, 0,
+                        wcs + combining, len, gcs, len, ".", NULL, NULL);
+               gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
+                             x*inst->font_width+inst->cfg.window_border,
+                             y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
+                             gcs, len);
+               if (shadow)
+                   gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
+                                 x*inst->font_width+inst->cfg.window_border+inst->cfg.shadowboldoffset,
+                                 y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
+                                 gcs, len);
+           }
            sfree(gcs);
        }
        sfree(wcs);
     }
 
-    if (shadow) {
-       gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
-                     x*inst->font_width+inst->cfg.window_border + inst->cfg.shadowboldoffset,
-                     y*inst->font_height+inst->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)
@@ -1944,7 +1957,7 @@ void do_text_internal(Context ctx, int x, int y, char *text, int len,
                      y*inst->font_height + uheight + inst->cfg.window_border);
     }
 
-    if (lattr != LATTR_NORM) {
+    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
@@ -1960,13 +1973,13 @@ void do_text_internal(Context ctx, int x, int y, char *text, int len,
                            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 * inst->font_width - i, inst->font_height);
+                           len * widefactor * inst->font_width - i, inst->font_height);
        }
        len *= 2;
-       if (lattr != LATTR_WIDE) {
+       if ((lattr & LATTR_MODE) != LATTR_WIDE) {
            int dt, db;
            /* Now stretch vertically, in the same way. */
-           if (lattr == LATTR_BOT)
+           if ((lattr & LATTR_MODE) == LATTR_BOT)
                dt = 0, db = 1;
            else
                dt = 1, db = 0;
@@ -1974,15 +1987,15 @@ void do_text_internal(Context ctx, int x, int y, char *text, int len,
                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*widefactor*inst->font_width+inst->cfg.window_border,
+                               x*inst->font_width+inst->cfg.window_border,
                                y*inst->font_height+inst->cfg.window_border+dt*(i+1),
-                               len * inst->font_width, inst->font_height-i-1);
+                               len * widefactor * inst->font_width, inst->font_height-i-1);
            }
        }
     }
 }
 
-void do_text(Context ctx, int x, int y, char *text, int len,
+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;
@@ -1998,7 +2011,7 @@ void do_text(Context ctx, int x, int y, char *text, int len,
        widefactor = 1;
     }
 
-    if (lattr != LATTR_NORM) {
+    if ((lattr & LATTR_MODE) != LATTR_NORM) {
        x *= 2;
        if (x >= inst->term->cols)
            return;
@@ -2015,14 +2028,14 @@ void do_text(Context ctx, int x, int y, char *text, int len,
                    len*widefactor*inst->font_width, inst->font_height);
 }
 
-void do_cursor(Context ctx, int x, int y, char *text, int len,
+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 passive, widefactor;
+    int active, passive, widefactor;
 
     if (attr & TATTR_PASCURS) {
        attr &= ~TATTR_PASCURS;
@@ -2031,16 +2044,21 @@ void do_cursor(Context ctx, int x, int y, char *text, int len,
        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_NORM) {
+    if ((lattr & LATTR_MODE) != LATTR_NORM) {
        x *= 2;
        if (x >= inst->term->cols)
            return;
@@ -2060,7 +2078,7 @@ void do_cursor(Context ctx, int x, int y, char *text, int len,
            gdk_draw_rectangle(inst->pixmap, gc, 0,
                               x*inst->font_width+inst->cfg.window_border,
                               y*inst->font_height+inst->cfg.window_border,
-                              len*inst->font_width-1, inst->font_height-1);
+                              len*widefactor*inst->font_width-1, inst->font_height-1);
        }
     } else {
        int uheight;
@@ -2068,7 +2086,7 @@ void do_cursor(Context ctx, int x, int y, char *text, int len,
 
        int char_width;
 
-       if ((attr & ATTR_WIDE) || lattr != LATTR_NORM)
+       if ((attr & ATTR_WIDE) || (lattr & LATTR_MODE) != LATTR_NORM)
            char_width = 2*inst->font_width;
        else
            char_width = inst->font_width;
@@ -2082,7 +2100,7 @@ void do_cursor(Context ctx, int x, int y, char *text, int len,
            starty = y * inst->font_height + inst->cfg.window_border + uheight;
            dx = 1;
            dy = 0;
-           length = len * char_width;
+           length = len * widefactor * char_width;
        } else {
            int xadjust = 0;
            if (attr & TATTR_RIGHTCURS)
@@ -2103,10 +2121,10 @@ void do_cursor(Context ctx, int x, int y, char *text, int len,
                startx += dx;
                starty += dy;
            }
-       } else {
+       } 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,
@@ -2719,8 +2737,8 @@ void setup_fonts_ucs(struct gui_data *inst)
     inst->font_width = gdk_char_width(inst->fonts[0], ' ');
     inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
 
-    inst->direct_to_font = init_ucs(&inst->ucsdata,
-                                   inst->cfg.line_codepage, font_charset,
+    inst->direct_to_font = init_ucs(&inst->ucsdata, inst->cfg.line_codepage,
+                                   inst->cfg.utf8_override, font_charset,
                                    inst->cfg.vtmode);
 }
 
@@ -3142,22 +3160,51 @@ void update_specials_menu(void *frontend)
     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 *menuitem;
-       for (i = 0; specials[i].name; i++) {
-           if (*specials[i].name) {
+       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);
-           } else
-               menuitem = gtk_menu_item_new();
-           gtk_container_add(GTK_CONTAINER(inst->specialsmenu), menuitem);
-           gtk_widget_show(menuitem);
+               break;
+           }
+           if (menuitem) {
+               gtk_container_add(GTK_CONTAINER(menu), menuitem);
+               gtk_widget_show(menuitem);
+           }
        }
        gtk_widget_show(inst->specialsitem1);
        gtk_widget_show(inst->specialsitem2);
@@ -3199,7 +3246,6 @@ static void start_backend(struct gui_data *inst)
        sfree(title);
     }
     inst->back->provide_logctx(inst->backhandle, inst->logctx);
-    update_specials_menu(inst);
 
     term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle);
 
@@ -3418,6 +3464,8 @@ int pt_main(int argc, char **argv)
        inst->specialsitem1 = menuitem;
        MKMENUITEM(NULL, NULL);
        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);