Pull term references out of xdrawcursor
Gradually reducing x.c dependency on Term object. Old and new cursor glyph/position are passed to xdrawcursor. (There may be an opportunity to refactor further if we can unify "clear old cursor" and "draw new cursor" functionality.) Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
This commit is contained in:
Devin J. Pohly
parent
88d8293fb4
commit
a5dc1b4697
15
st.c
15
st.c
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@ -2544,10 +2544,23 @@ 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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if (!xstartdraw())
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return;
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/* adjust cursor position */
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LIMIT(term.ocx, 0, term.col-1);
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LIMIT(term.ocy, 0, term.row-1);
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if (term.line[term.ocy][term.ocx].mode & ATTR_WDUMMY)
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term.ocx--;
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if (term.line[term.c.y][cx].mode & ATTR_WDUMMY)
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cx--;
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drawregion(0, 0, term.col, term.row);
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xdrawcursor();
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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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xfinishdraw();
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}
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2
st.h
2
st.h
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@ -84,6 +84,8 @@ typedef struct {
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Line *alt; /* alternate screen */
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int *dirty; /* dirtyness of lines */
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TCursor c; /* cursor */
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int ocx; /* old cursor col */
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int ocy; /* old cursor row */
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int top; /* top scroll limit */
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int bot; /* bottom scroll limit */
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int mode; /* terminal mode flags */
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2
win.h
2
win.h
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@ -25,7 +25,7 @@ enum win_mode {
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void xbell(void);
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void xclipcopy(void);
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void xdrawcursor(void);
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void xdrawcursor(int, int, Glyph, int, int, Glyph);
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void xdrawline(Line, int, int, int);
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void xhints(void);
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void xfinishdraw(void);
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61
x.c
61
x.c
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@ -1387,41 +1387,26 @@ xdrawglyph(Glyph g, int x, int y)
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}
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void
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xdrawcursor(void)
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xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
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{
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static int oldx = 0, oldy = 0;
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int curx;
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Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og;
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Color drawcol;
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LIMIT(oldx, 0, term.col-1);
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LIMIT(oldy, 0, term.row-1);
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curx = term.c.x;
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/* adjust position if in dummy */
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if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
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oldx--;
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if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
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curx--;
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/* remove the old cursor */
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og = term.line[oldy][oldx];
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if (selected(oldx, oldy))
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if (selected(ox, oy))
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og.mode ^= ATTR_REVERSE;
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xdrawglyph(og, oldx, oldy);
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g.u = term.line[term.c.y][term.c.x].u;
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g.mode |= term.line[term.c.y][term.c.x].mode &
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(ATTR_BOLD | ATTR_ITALIC | ATTR_UNDERLINE | ATTR_STRUCK);
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xdrawglyph(og, ox, oy);
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/*
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* Select the right color for the right mode.
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*/
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g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE;
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g.fg = defaultbg;
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g.bg = defaultcs;
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if (IS_SET(MODE_REVERSE)) {
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g.mode |= ATTR_REVERSE;
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g.bg = defaultfg;
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if (selected(term.c.x, term.c.y)) {
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if (selected(cx, cy)) {
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drawcol = dc.col[defaultcs];
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g.fg = defaultrcs;
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} else {
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@ -1429,7 +1414,7 @@ xdrawcursor(void)
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g.fg = defaultcs;
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}
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} else {
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if (selected(term.c.x, term.c.y)) {
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if (selected(cx, cy)) {
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drawcol = dc.col[defaultrcs];
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g.fg = defaultfg;
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g.bg = defaultrcs;
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@ -1449,44 +1434,42 @@ xdrawcursor(void)
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case 0: /* Blinking Block */
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case 1: /* Blinking Block (Default) */
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case 2: /* Steady Block */
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g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
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xdrawglyph(g, term.c.x, term.c.y);
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xdrawglyph(g, cx, cy);
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break;
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case 3: /* Blinking Underline */
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case 4: /* Steady Underline */
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XftDrawRect(xw.draw, &drawcol,
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borderpx + curx * win.cw,
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borderpx + (term.c.y + 1) * win.ch - \
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borderpx + cx * win.cw,
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borderpx + (cy + 1) * win.ch - \
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cursorthickness,
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win.cw, cursorthickness);
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break;
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case 5: /* Blinking bar */
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case 6: /* Steady bar */
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XftDrawRect(xw.draw, &drawcol,
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borderpx + curx * win.cw,
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borderpx + term.c.y * win.ch,
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borderpx + cx * win.cw,
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borderpx + cy * win.ch,
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cursorthickness, win.ch);
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break;
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}
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} else {
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XftDrawRect(xw.draw, &drawcol,
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borderpx + curx * win.cw,
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borderpx + term.c.y * win.ch,
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borderpx + cx * win.cw,
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borderpx + cy * win.ch,
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win.cw - 1, 1);
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XftDrawRect(xw.draw, &drawcol,
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borderpx + curx * win.cw,
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borderpx + term.c.y * win.ch,
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borderpx + cx * win.cw,
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borderpx + cy * win.ch,
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1, win.ch - 1);
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XftDrawRect(xw.draw, &drawcol,
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borderpx + (curx + 1) * win.cw - 1,
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borderpx + term.c.y * win.ch,
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borderpx + (cx + 1) * win.cw - 1,
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borderpx + cy * win.ch,
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1, win.ch - 1);
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XftDrawRect(xw.draw, &drawcol,
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borderpx + curx * win.cw,
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borderpx + (term.c.y + 1) * win.ch - 1,
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borderpx + cx * win.cw,
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borderpx + (cy + 1) * win.ch - 1,
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win.cw, 1);
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}
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oldx = curx, oldy = term.c.y;
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}
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void
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