From ef52ed8a109af7512bd9e9ed62d74e36ae2deb41 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Fri, 17 Apr 2020 21:04:32 +0200
Subject: [PATCH] grid: reflow: caller may now pass a list of coordinates that
 should be translated

---
 grid.c   | 7 ++++++-
 grid.h   | 4 +++-
 render.c | 4 ++--
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/grid.c b/grid.c
index 3e34c891..b50a095d 100644
--- a/grid.c
+++ b/grid.c
@@ -55,7 +55,9 @@ grid_row_free(struct row *row)
 
 void
 grid_reflow(struct grid *grid, int new_rows, int new_cols,
-            int old_screen_rows, int new_screen_rows)
+            int old_screen_rows, int new_screen_rows,
+            size_t tracking_points_count,
+            struct coord *_tracking_points[static tracking_points_count])
 {
     struct row *const *old_grid = grid->rows;
     const int old_rows = grid->num_rows;
@@ -90,6 +92,9 @@ grid_reflow(struct grid *grid, int new_rows, int new_cols,
     tll_push_back(tracking_points, &cursor);
     tll_push_back(tracking_points, &saved_cursor);
 
+    for (size_t i = 0; i < tracking_points_count; i++)
+        tll_push_back(tracking_points, _tracking_points[i]);
+
     /*
      * Walk the old grid
      */
diff --git a/grid.h b/grid.h
index d4045189..a2ff4b99 100644
--- a/grid.h
+++ b/grid.h
@@ -8,7 +8,9 @@ struct row *grid_row_alloc(int cols, bool initialize);
 void grid_row_free(struct row *row);
 void grid_reflow(
     struct grid *grid, int new_rows, int new_cols,
-    int old_screen_rows, int new_screen_rows);
+    int old_screen_rows, int new_screen_rows,
+    size_t tracking_points_count,
+    struct coord *tracking_points[static tracking_points_count]);
 
 static inline int
 grid_row_absolute(const struct grid *grid, int row_no)
diff --git a/render.c b/render.c
index ef0f0608..ca0342f2 100644
--- a/render.c
+++ b/render.c
@@ -1754,8 +1754,8 @@ maybe_resize(struct terminal *term, int width, int height, bool force)
     }
 
     /* Reflow grids */
-    grid_reflow(&term->normal, new_normal_grid_rows, new_cols, old_rows, new_rows);
-    grid_reflow(&term->alt, new_alt_grid_rows, new_cols, old_rows, new_rows);
+    grid_reflow(&term->normal, new_normal_grid_rows, new_cols, old_rows, new_rows, 0, NULL);
+    grid_reflow(&term->alt, new_alt_grid_rows, new_cols, old_rows, new_rows, 0, NULL);
 
     /* Reset tab stops */
     tll_free(term->tab_stops);