Remove unused private functions and inline trivial helpers

1 files changed, 11 insertions, 57 deletions

diff --git a/src/screen.c b/src/screen.c
index 99e788c..d9dfe31 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -145,50 +145,6 @@ int term_history_rows(const struct term *t)
     return rows;
 }
 
-const struct cell *term_ring_row(const struct term *t, int row)
-{
-    if (!t)
-        return NULL;
-    int total = term_screen_history_rows(t);
-    if (row < 0 || row >= total + t->rows)
-        return NULL;
-
-    if (row < total) {
-        uint64_t id;
-        int seg;
-        if (!term_hist_view_find_row(&t->view, &t->hist, row, t->cols, &id, &seg))
-            return NULL;
-        struct cell *out = t->view_row_scratch;
-        int got = term_hist_decode_segment(&t->hist, id, seg, t->cols, out, t->gstore);
-        if (got < t->cols) {
-            fill_cells(out + got, t->cols - got, TERM_COLOR_FG, TERM_COLOR_BG);
-            int line_rows = term_hist_line_rows(&t->hist, id, t->cols);
-            if (seg + 1 < line_rows || (row + 1 == total && hist_is_open(&t->hist)))
-                set_cells_wrap_pad(out + got, t->cols - got);
-        }
-        return out;
-    }
-
-    int y = row - total;
-    const struct screen *s = term_active_screen(t);
-    struct srow *srow = screen_row_at(s, y);
-    if (!srow)
-        return NULL;
-
-    struct cell *out = t->view_row_scratch;
-    if (srow->kind == ROW_CELLS) {
-        if (srow->len >= t->cols || (srow->flags & RF_TAIL_PADDED))
-            return srow->cells;
-        if (srow->len > 0)
-            memcpy(out, srow->cells, (size_t)srow->len * sizeof(struct cell));
-        fill_cells(out + srow->len, t->cols - srow->len, TERM_COLOR_FG, TERM_COLOR_BG);
-        return out;
-    }
-
-    text_row_cells(srow, out, t->cols);
-    return out;
-}
-
 const struct cell *term_screen_view_row(const struct term *t, int y)
 {
     if (!t || y < 0 || y >= t->rows)
@@ -205,8 +161,7 @@ const struct cell *term_screen_view_row(const struct term *t, int y)
         }
         return out;
     }
-    const struct screen *s = term_active_screen(t);
-    struct srow *srow = screen_row_at(s, pos.screen_y);
+    struct srow *srow = screen_row_at(&t->scr, pos.screen_y);
     if (!srow)
         return NULL;
     struct cell *out = t->view_row_scratch;
@@ -243,8 +198,7 @@ uint64_t term_screen_view_row_key(const struct term *t, int y)
             line_ver ^= mix64(t->hist.base_cell);
         return mix64(((uint64_t)pos.id << 16) ^ (uint64_t)pos.seg ^ line_ver ^ 0x517cc1b727220a95ull);
     }
-    const struct screen *s = term_active_screen(t);
-    const struct srow *row = screen_row_at(s, pos.screen_y);
+    const struct srow *row = screen_row_at(&t->scr, pos.screen_y);
     if (!row)
         return 0;
     return mix64(row->uid ^ ((uint64_t)row->version << 32));
@@ -544,7 +498,8 @@ void term_screen_erase(struct term *t, int mode)
     t->pending_wrap = false;
     if (mode == 3) {
         term_hist_clear(&t->hist);
-        term_hist_view_clear(&t->view);
+        t->view.anchor = (struct view_anchor){0};
+        t->view.index_cols = 0;
         term_select_clear(t);
         t->full_gen++;
         return;
@@ -573,12 +528,12 @@ void term_screen_erase(struct term *t, int mode)
         if (last_active >= 0 && !t->alternate) {
             term_screen_scroll_region(t, 0, rows - 1, last_active + 1, false, true);
             if (tail_clean) {
-                term_hist_view_reset_bottom(&t->view);
+                t->view.anchor = (struct view_anchor){0};
                 return;
             }
         }
         term_screen_erase_all(t);
-        term_hist_view_reset_bottom(&t->view);
+        t->view.anchor = (struct view_anchor){0};
         t->full_gen++;
     } else if (mode == 0) {
         int cur_p = phys_row(t, t->cursor_y);
@@ -674,7 +629,7 @@ void term_screen_scroll_region(struct term *t, int top, int bottom, int count,
 
     /* Whole active screen scroll: optimize using ring rotation. */
     if (top == 0 && bottom == t->rows - 1) {
-        struct screen *s = term_active_screen(t);
+        struct screen *s = &t->scr;
         int rows = s->rows;
         int orig_top = s->top;
         bool def = using_default_colors(t);
@@ -770,7 +725,7 @@ void term_screen_scroll_region(struct term *t, int top, int bottom, int count,
         return;
     }
 
-    struct screen *s = term_active_screen(t);
+    struct screen *s = &t->scr;
     bool def = using_default_colors(t);
 
     if (count == height) {
@@ -880,7 +835,7 @@ void term_screen_set_alternate(struct term *t, bool enabled)
         t->left_margin = 0;
         t->right_margin = t->cols - 1;
         /* The alternate screen has no history to show. */
-        term_hist_view_reset_bottom(&t->view);
+        t->view.anchor = (struct view_anchor){0};
         term_select_clear(t);
         t->full_gen++;
     } else {
@@ -907,7 +862,7 @@ void term_screen_set_alternate(struct term *t, bool enabled)
         t->left_margin = 0;
         t->right_margin = t->cols - 1;
         /* The alternate screen has no history to show. */
-        term_hist_view_reset_bottom(&t->view);
+        t->view.anchor = (struct view_anchor){0};
         term_select_clear(t);
         t->full_gen++;
     }
@@ -986,7 +941,6 @@ struct term *term_new(const struct term_options *opt)
         return NULL;
     }
     t->hist.wrap_cols = (uint16_t)cols;
-    term_hist_view_init(&t->view);
 
     t->gstore = term_gstore_new(t);
     t->view_scratch_cap = cols > 256 ? cols : 256;
@@ -1338,7 +1292,7 @@ static bool term_resize_internal(struct term *t, int cols, int rows)
     term_gstore_pin(t->gstore);
 
     if (t->alternate || cols == t->scr.cols) {
-        struct screen *active_scr = term_active_screen(t);
+        struct screen *active_scr = &t->scr;
         int old_cols = active_scr->cols;
         int old_rows = active_scr->rows;