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tvi: center the current line for long jumps - neatvi - [fork] simple vi-type ed… |
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git clone git://src.adamsgaard.dk/neatvi |
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--- |
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commit 69f88a475e1d3633b0f944a1917ba7cc74da823a |
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parent 9724b248644e35bd73ecf9fa0a2adae08f372f14 |
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Author: Ali Gholami Rudi <[email protected]> |
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Date: Mon, 18 May 2015 17:09:46 +0430 |
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vi: center the current line for long jumps |
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Diffstat: |
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M vi.c | 13 ++++++++----- |
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1 file changed, 8 insertions(+), 5 deletions(-) |
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--- |
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diff --git a/vi.c b/vi.c |
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t@@ -1025,6 +1025,7 @@ static void vi(void) |
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int redraw = 0; |
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int nrow = xrow; |
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int ncol = ren_noeol(lbuf_get(xb, xrow), xcol); |
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+ int otop = xtop; |
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int mv, n; |
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vi_arg2 = 0; |
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vi_ybuf = vi_yankbuf(); |
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t@@ -1197,11 +1198,13 @@ static void vi(void) |
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} |
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if (xrow < 0 || xrow >= lbuf_len(xb)) |
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xrow = lbuf_len(xb) ? lbuf_len(xb) - 1 : 0; |
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- if (xrow < xtop || xrow >= xtop + xrows) { |
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- xtop = xrow < xtop ? xrow : MAX(0, xrow - xrows + 1); |
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- redraw = 1; |
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- } |
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- if (redraw) |
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+ if (xtop > xrow) |
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+ xtop = xtop - xrows / 2 > xrow ? |
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+ MAX(0, xrow - xrows / 2) : xrow; |
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+ if (xtop + xrows <= xrow) |
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+ xtop = xtop + xrows + xrows / 2 <= xrow ? |
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+ xrow - xrows / 2 : xrow - xrows + 1; |
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+ if (redraw || xtop != otop) |
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vi_draw(); |
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if (xmsg[0]) |
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vi_drawmsg(); |
