diff options
Diffstat (limited to 'src/screen.c')
| -rw-r--r-- | src/screen.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/screen.c b/src/screen.c index f9124ce..423c12b 100644 --- a/src/screen.c +++ b/src/screen.c @@ -10,6 +10,9 @@ static struct runes_cell *runes_screen_cell_at(RunesTerm *t, int row, int col); static void runes_screen_scroll_down(RunesTerm *t, int count); static void runes_screen_scroll_up(RunesTerm *t, int count); static int runes_screen_scroll_region_is_active(RunesTerm *t); +static int runes_screen_loc_is_between( + RunesTerm *t, struct runes_loc loc, + struct runes_loc start, struct runes_loc end); void runes_screen_init(RunesTerm *t) { @@ -95,6 +98,18 @@ void runes_screen_process_string(RunesTerm *t, char *buf, size_t len) runes_parser_yy_delete_buffer(scr->state, scr->scanner); } +int runes_screen_loc_is_selected(RunesTerm *t, struct runes_loc loc) +{ + RunesScreen *scr = &t->scr; + + if (!scr->has_selection) { + return 0; + } + + return runes_screen_loc_is_between( + t, loc, scr->grid->selection_start, scr->grid->selection_end); +} + void runes_screen_get_string( RunesTerm *t, struct runes_loc *start, struct runes_loc *end, char **strp, size_t *lenp) @@ -945,3 +960,24 @@ static int runes_screen_scroll_region_is_active(RunesTerm *t) return scr->grid->scroll_top != 0 || scr->grid->scroll_bottom != scr->grid->max.row - 1; } + +static int runes_screen_loc_is_between( + RunesTerm *t, struct runes_loc loc, + struct runes_loc start, struct runes_loc end) +{ + UNUSED(t); + + if (loc.row < start.row || loc.row > end.row) { + return 0; + } + + if (loc.row == start.row && loc.col < start.col) { + return 0; + } + + if (loc.row == end.row && loc.col >= end.col) { + return 0; + } + + return 1; +} |