diff options
Diffstat (limited to 'src/list_window.c')
| -rw-r--r-- | src/list_window.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/list_window.c b/src/list_window.c index 88f0a690c..f26088da4 100644 --- a/src/list_window.c +++ b/src/list_window.c @@ -296,6 +296,56 @@ list_window_cmd(struct list_window *lw, unsigned rows, command_t cmd) return 1; } +int +list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd) +{ + switch (cmd) { + case CMD_LIST_PREVIOUS: + if (lw->start > 0) + lw->start--; + break; + + case CMD_LIST_NEXT: + if (lw->start + lw->rows < rows) + lw->start++; + break; + + case CMD_LIST_FIRST: + lw->start = 0; + break; + + case CMD_LIST_LAST: + if (rows > lw->rows) + lw->start = rows - lw->rows; + else + lw->start = 0; + break; + + case CMD_LIST_NEXT_PAGE: + lw->start += lw->rows - 1; + if (lw->start + lw->rows > rows) { + if (rows > lw->rows) + lw->start = rows - lw->rows; + else + lw->start = 0; + } + break; + + case CMD_LIST_PREVIOUS_PAGE: + if (lw->start > lw->rows) + lw->start -= lw->rows; + else + lw->start = 0; + break; + + default: + return 0; + } + + lw->repaint = lw->clear = 1; + return 1; +} + list_window_state_t * list_window_init_state(void) { |