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