add undo support for crop-to-visible - gramscii - A simple editor for ASCII box-and-arrow charts
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       ---
 (DIR) commit 6d34f883ba3ce2474df90432cc4aa387e9093321
 (DIR) parent d6b3606e315c4bf5692bc3b6daea3d3022ef14c5
 (HTM) Author: KatolaZ <katolaz@freaknet.org>
       Date:   Thu,  1 Aug 2019 07:47:43 +0100
       
       add undo support for crop-to-visible
       
       Diffstat:
         M lineset.c                           |       1 -
         M screen.c                            |       2 ++
       
       2 files changed, 2 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/lineset.c b/lineset.c
       @@ -128,7 +128,6 @@ void paste_region(int x1, int y1){
        
        void copy_lines_to_ring(int y1, int y2, int which){
                int i, len, idx;
       -        int offset;
                lineset_t *tmp;        
        
                if (y1 > y2){
 (DIR) diff --git a/screen.c b/screen.c
       @@ -462,7 +462,9 @@ void crop_to_nonblank(){
        #ifdef DEBUG
                fprintf(stderr, "crop rectangle: (%d, %d)-(%d, %d)\n", x1, y1, x2, y2);
        #endif
       +        copy_lines_to_ring(0, y2, PRV_STATE);
                crop_to_rect(x1, y1, x2, y2);
       +        copy_lines_to_ring(0, y2, NEW_STATE);
                modified=1;
                redraw();
        }