st

my build of st - simple terminal
git clone git://git.kocotian.pl/st.git
Log | Files | Refs | README | LICENSE

commit 72e3f6c7c05b4d5b56388508bb20a863aec279f5
parent 33a9a456644ceb235ea6ce61282f3bdce7a8b547
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:
Mst.c | 9++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

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