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From fb8569b193cc063ad53388e8e2009fb6682092d2 Mon Sep 17 00:00:00 2001
From: elbachir-one <bachiralfa@gmail.com>
Date: Tue, 19 Nov 2024 15:39:16 +0100
Subject: [PATCH] Added columnredraw
---
st.c | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/st.c b/st.c
index 57c6e96..7371554 100644
--- a/st.c
+++ b/st.c
@@ -113,6 +113,7 @@ typedef struct {
typedef struct {
int row; /* nb row */
int col; /* nb col */
+ int maxcol; /* Maximum number of columns */
Line *line; /* screen */
Line *alt; /* alternate screen */
int *dirty; /* dirtyness of lines */
@@ -1231,8 +1232,8 @@ tclearregion(int x1, int y1, int x2, int y2)
if (y1 > y2)
temp = y1, y1 = y2, y2 = temp;
- LIMIT(x1, 0, term.col-1);
- LIMIT(x2, 0, term.col-1);
+ LIMIT(x1, 0, term.maxcol-1);
+ LIMIT(x2, 0, term.maxcol-1);
LIMIT(y1, 0, term.row-1);
LIMIT(y2, 0, term.row-1);
@@ -2546,11 +2547,18 @@ void
tresize(int col, int row)
{
int i;
- int minrow = MIN(row, term.row);
- int mincol = MIN(col, term.col);
+ int tmp;
+ int minrow, mincol;
int *bp;
TCursor c;
+ tmp = col;
+ if (!term.maxcol)
+ term.maxcol = term.col;
+ col = MAX(col, term.maxcol);
+ minrow = MIN(row, term.row);
+ mincol = MIN(col, term.maxcol);
+
if (col < 1 || row < 1) {
fprintf(stderr,
"tresize: error resizing to %dx%d\n", col, row);
@@ -2593,17 +2601,18 @@ tresize(int col, int row)
term.line[i] = xmalloc(col * sizeof(Glyph));
term.alt[i] = xmalloc(col * sizeof(Glyph));
}
- if (col > term.col) {
- bp = term.tabs + term.col;
+ if (col > term.maxcol) {
+ bp = term.tabs + term.maxcol;
- memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
+ memset(bp, 0, sizeof(*term.tabs) * (col - term.maxcol));
while (--bp > term.tabs && !*bp)
/* nothing */ ;
for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
*bp = 1;
}
/* update terminal size */
- term.col = col;
+ term.col = tmp;
+ term.maxcol = col;
term.row = row;
/* reset scrolling region */
tsetscroll(0, row-1);
--
2.46.2
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