RJK's `pterm --help' patch. I _must_ find a better alternative to

[u/mdw/putty] / unix / pterm.c

diff --git a/unix/pterm.c b/unix/pterm.c
index 74418ab..e53499d 100644 (file)
--- a/unix/pterm.c
+++ b/unix/pterm.c
@@ -50,6 +50,7 @@ struct gui_data {
     guint term_paste_idle_id;
     GdkAtom compound_text_atom;
     int alt_keycode;
+    int alt_digits;
     char wintitle[sizeof(((Config *)0)->wintitle)];
     char icontitle[sizeof(((Config *)0)->wintitle)];
     int master_fd, master_func_id, exited;
@@ -354,11 +355,17 @@ gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
     /*
      * 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_keycode >= 0 && inst->alt_digits > 1) {
 #ifdef KEY_DEBUGGING
        printf("Alt key up, keycode = %d\n", inst->alt_keycode);
 #endif
@@ -391,6 +398,7 @@ gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
        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 */
        }
 
@@ -425,6 +433,7 @@ gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
                    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
@@ -1323,9 +1332,16 @@ void sys_cursor(void *frontend, int x, int y)
      */
 }
 
+/*
+ * 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 beep(void *frontend, int mode)
 {
-    gdk_beep();
+    if (mode != BELL_VISUAL)
+       gdk_beep();
 }
 
 int CharWidth(Context ctx, int uc)
@@ -1712,6 +1728,33 @@ char *get_x_display(void *frontend)
 
 char *app_name = "pterm";
 
+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 WIDTHxHEIGHT    Size of terminal 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 err = 0;
@@ -1865,6 +1908,10 @@ int do_cmdline(int argc, char **argv, int do_everything)
            EXPECTS_ARG;
            provide_xrm_string(val);
 
+       } else if(!strcmp(p, "-help") || !strcmp(p, "--help")) {
+           help(stdout);
+           exit(0);
+           
        } else {
            err = 1;
            fprintf(stderr, "pterm: unrecognized option '%s'\n", p);
@@ -1895,6 +1942,7 @@ int main(int argc, char **argv)
      */
     inst = smalloc(sizeof(*inst));
     memset(inst, 0, sizeof(*inst));
+    inst->alt_keycode = -1;            /* this one needs _not_ to be zero */
 
     inst->fonts[0] = gdk_font_load(cfg.font);
     if (!inst->fonts[0]) {