added a user abort key

3 files changed, 32 insertions, 0 deletions

diff --git a/src/actions.c b/src/actions.c
index b88ce85..3cb5e9a 100644
--- a/src/actions.c
+++ b/src/actions.c
@@ -549,6 +549,10 @@ cmd_select (int interactive, void *data)
   else
     str = strdup ((char *) data);
 
+  /* User aborted. */
+  if (str == NULL)
+    return NULL;
+
   /* Only search if the string contains something to search for. */
   if (strlen (str) > 0)
     {
@@ -597,6 +601,10 @@ cmd_rename (int interactive, void *data)
   else
     winname = strdup ((char *) data);
 
+  /* User aborted. */
+  if (winname == NULL)
+    return NULL;
+
   if (*winname)
     {
       free (current_window()->name);
@@ -717,6 +725,10 @@ cmd_colon (int interactive, void *data)
   else
     input = get_more_input (MESSAGE_PROMPT_COMMAND, data);
 
+  /* User aborted. */
+  if (input == NULL)
+    return NULL;
+
   result = command (1, input);
 
   /* Gobble the result. */
@@ -738,6 +750,10 @@ cmd_exec (int interactive, void *data)
   else
     cmd = strdup ((char *) data);
 
+  /* User aborted. */
+  if (cmd == NULL)
+    return NULL;
+
   spawn (cmd);
 
   free (cmd);
@@ -782,6 +798,10 @@ cmd_newwm(int interactive, void *data)
   else
     prog = strdup ((char *) data);
 
+  /* User aborted. */
+  if (prog == NULL)
+    return NULL;
+
   PRINT_DEBUG ("Switching to %s\n", prog);
 
   putenv(DisplayString(dpy));   
diff --git a/src/conf.h b/src/conf.h
index 05727a8..3289d50 100644
--- a/src/conf.h
+++ b/src/conf.h
@@ -28,6 +28,10 @@
 #define KEY_PREFIX      XK_t
 #define MODIFIER_PREFIX ControlMask
 
+/* This is the abort key when typing input. */
+#define INPUT_ABORT_KEY      XK_g
+#define INPUT_ABORT_MODIFIER ControlMask
+
 /* After hitting the prefix key ratpoison will change the mouse cursor
    to a square to indicate that it is waiting for a second
    keystroke. If do not wish this functionality, comment out the
diff --git a/src/input.c b/src/input.c
index 60f4624..a0523eb 100644
--- a/src/input.c
+++ b/src/input.c
@@ -323,6 +323,14 @@ get_more_input (char *prompt, char *preinput)
 	  if (cur_len > 0) cur_len--;
 	  update_input_window(s, prompt, str, cur_len);
 	}
+      else if (ch == INPUT_ABORT_KEY && modifier == INPUT_ABORT_MODIFIER)
+	{
+	  /* User aborted. */
+	  free (str);
+	  XSetInputFocus (dpy, fwin, RevertToPointerRoot, CurrentTime);
+	  XUnmapWindow (dpy, s->input_window);
+	  return NULL;
+	}
       else
 	{
 	  if (cur_len + nbytes > allocated_len - 1)