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Update XIM cursor position only if changed 

Updating XIM cursor position is expensive, so only update it when cursor
position changed.
dev
Ivan Tham 2020-04-19 19:38:39 +02:00 committed by Hiltjo Posthuma
parent 33a9a45664
commit 72e3f6c7c0
1 changed files with 6 additions and 3 deletions
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7
st.c
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@ -2571,6 +2571,7 @@ void
drawregion(int x1, int y1, int x2, int y2) drawregion(int x1, int y1, int x2, int y2)
{ {
int y; int y;
for (y = y1; y < y2; y++) { for (y = y1; y < y2; y++) {
if (!term.dirty[y]) if (!term.dirty[y])
continue; continue;
@ -2583,7 +2584,7 @@ drawregion(int x1, int y1, int x2, int y2)
void void
draw(void) draw(void)
{ {
int cx = term.c.x; int cx = term.c.x, ocx = term.ocx, ocy = term.ocy;
if (!xstartdraw()) if (!xstartdraw())
return; return;
@ -2599,8 +2600,10 @@ draw(void)
drawregion(0, 0, term.col, term.row); drawregion(0, 0, term.col, term.row);
xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
term.ocx, term.ocy, term.line[term.ocy][term.ocx]); 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(); xfinishdraw();
if (ocx != term.ocx || ocy != term.ocy)
xximspot(term.ocx, term.ocy); xximspot(term.ocx, term.ocy);
} }