Update XIM cursor position only if changed - st - simple terminal
HTML git clone https://git.parazyd.org/st
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---
DIR commit 72e3f6c7c05b4d5b56388508bb20a863aec279f5
DIR parent 33a9a456644ceb235ea6ce61282f3bdce7a8b547
HTML Author: Ivan Tham <pickfire@riseup.net>
Date: Sun, 19 Apr 2020 19:38:39 +0200
Update XIM cursor position only if changed
Updating XIM cursor position is expensive, so only update it when cursor
position changed.
Diffstat:
M st.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
---
DIR diff --git a/st.c b/st.c
@@ -2571,6 +2571,7 @@ void
drawregion(int x1, int y1, int x2, int y2)
{
int y;
+
for (y = y1; y < y2; y++) {
if (!term.dirty[y])
continue;
@@ -2583,7 +2584,7 @@ drawregion(int x1, int y1, int x2, int y2)
void
draw(void)
{
- int cx = term.c.x;
+ int cx = term.c.x, ocx = term.ocx, ocy = term.ocy;
if (!xstartdraw())
return;
@@ -2599,9 +2600,11 @@ draw(void)
drawregion(0, 0, term.col, term.row);
xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
- term.ocx = cx, term.ocy = term.c.y;
+ term.ocx = cx;
+ term.ocy = term.c.y;
xfinishdraw();
- xximspot(term.ocx, term.ocy);
+ if (ocx != term.ocx || ocy != term.ocy)
+ xximspot(term.ocx, term.ocy);
}
void