From 4bd087766f16bd541a1aebd0b0348ecc5fe9b94c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Aptel?= <aurelien.aptel@gmail.com>
Date: Fri, 16 Sep 2011 18:48:16 +0200
Subject: selection is removed or scrolled properly. (thx Rafa Garcia Gallego)
---
st.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/st.c b/st.c
index c295de6..89fbee9 100644
--- a/st.c
+++ b/st.c
@@ -237,6 +237,7 @@ static void selinit(void);
static inline int selected(int, int);
static void selcopy(void);
static void selpaste();
+static void selscroll(int, int);
static int utf8decode(char *, long *);
static int utf8encode(long *, char *);
@@ -806,6 +807,8 @@ tscrolldown(int orig, int n) {
term.line[i] = term.line[i-n];
term.line[i-n] = temp;
}
+
+ selscroll(orig, n);
}
void
@@ -821,6 +824,31 @@ tscrollup(int orig, int n) {
term.line[i] = term.line[i+n];
term.line[i+n] = temp;
}
+
+ selscroll(orig, -n);
+}
+
+void
+selscroll(int orig, int n) {
+ if(sel.bx == -1)
+ return;
+
+ if(BETWEEN(sel.by, orig, term.bot) || BETWEEN(sel.ey, orig, term.bot)) {
+ if((sel.by += n) > term.bot || (sel.ey += n) < term.top) {
+ sel.bx = -1;
+ return;
+ }
+ if(sel.by < term.top) {
+ sel.by = term.top;
+ sel.bx = 0;
+ }
+ if(sel.ey > term.bot) {
+ sel.ey = term.bot;
+ sel.ex = term.col;
+ }
+ sel.b.y = sel.by, sel.b.x = sel.bx;
+ sel.e.y = sel.ey, sel.e.x = sel.ex;
+ }
}
void
@@ -1077,6 +1105,7 @@ csihandle(void) {
break;
/* XXX: (CSI n I) CHT -- Cursor Forward Tabulation <n> tab stops */
case 'J': /* ED -- Clear screen */
+ sel.bx = -1;
switch(escseq.arg[0]) {
case 0: /* below */
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
@@ -1382,6 +1411,7 @@ tputc(char *c) {
}
}
} else {
+ if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey)) sel.bx = -1;
switch(ascii) {
case '\t':
tputtab();
--
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