diff options
Diffstat (limited to 'src/binds.c')
| -rw-r--r-- | src/binds.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/src/binds.c b/src/binds.c index 0647d5a..f8c4597 100644 --- a/src/binds.c +++ b/src/binds.c @@ -12,6 +12,7 @@ struct bind_node { struct imv_binds { struct bind_node bind_tree; struct list *keys; + bool aborting_sequence; }; static int compare_node_key(const void* item, const void *key) @@ -42,7 +43,7 @@ static void destroy_bind_node(struct bind_node *bn) struct imv_binds *imv_binds_create(void) { - struct imv_binds *binds = malloc(sizeof *binds); + struct imv_binds *binds = calloc(1, sizeof *binds); init_bind_node(&binds->bind_tree); binds->keys = list_create(); return binds; @@ -245,9 +246,21 @@ void imv_bind_clear_input(struct imv_binds *binds) struct list *imv_bind_handle_event(struct imv_binds *binds, const SDL_Event *event) { - if(event->key.keysym.sym == SDLK_ESCAPE) { - imv_bind_clear_input(binds); - return NULL; + /* If the user hits Escape twice in a row, treat that as backtracking out + * of the current key sequence. */ + if (event->key.keysym.sym == SDLK_ESCAPE) { + if (binds->aborting_sequence) { + /* The last thing they hit was escape, so abort the current entry */ + binds->aborting_sequence = false; + imv_bind_clear_input(binds); + return NULL; + } else { + /* Start the aborting sequence */ + binds->aborting_sequence = true; + } + } else { + /* They didn't hit escape, if they were in an abort sequence, cancel it */ + binds->aborting_sequence = false; } char buffer[128]; |