From fbc6ec3207fa1298ec8347697ddea6b3e78f13d0 Mon Sep 17 00:00:00 2001 From: Aurélien Aptel Date: Thu, 2 Sep 2010 01:42:03 +0200 Subject: resize from the top. --- st.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/st.c b/st.c index f7f9de8..ed5481d 100644 --- a/st.c +++ b/st.c @@ -1060,12 +1060,25 @@ tresize(int col, int row) { int i; int minrow = MIN(row, term.row); int mincol = MIN(col, term.col); + int slide = term.c.y - row + 1; if(col < 1 || row < 1) return; - /* free uneeded rows */ - for(i = row; i < term.row; i++) { + /* free unneeded rows */ + i = 0; + if(slide > 0) { + /* slide screen to keep cursor where we expect it - + * tscrollup would work here, but we can optimize to + * memmove because we're freeing the earlier lines */ + for(/* i = 0 */; i < slide; i++) { + free(term.line[i]); + free(term.alt[i]); + } + memmove(term.line, term.line + slide, row * sizeof(Line)); + memmove(term.alt, term.alt + slide, row * sizeof(Line)); + } + for(i += row; i < term.row; i++) { free(term.line[i]); free(term.alt[i]); } -- cgit v1.2.3-70-g09d2