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>
Devin J. Pohly djpohly@gmail.com
M
st.c
→
st.c
@@ -2544,10 +2544,23 @@
void draw(void) { + int cx = term.c.x; + if (!xstartdraw()) return; + + /* adjust cursor position */ + LIMIT(term.ocx, 0, term.col-1); + LIMIT(term.ocy, 0, term.row-1); + if (term.line[term.ocy][term.ocx].mode & ATTR_WDUMMY) + term.ocx--; + if (term.line[term.c.y][cx].mode & ATTR_WDUMMY) + cx--; + drawregion(0, 0, term.col, term.row); - xdrawcursor(); + 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; xfinishdraw(); }
M
st.h
→
st.h
@@ -82,8 +82,10 @@ int row; /* nb row */
int col; /* nb col */ Line *line; /* screen */ Line *alt; /* alternate screen */ - int *dirty; /* dirtyness of lines */ + int *dirty; /* dirtyness of lines */ TCursor c; /* cursor */ + int ocx; /* old cursor col */ + int ocy; /* old cursor row */ int top; /* top scroll limit */ int bot; /* bottom scroll limit */ int mode; /* terminal mode flags */
M
x.c
→
x.c
@@ -1387,41 +1387,26 @@ xdrawglyphfontspecs(&spec, g, numspecs, x, y);
} void -xdrawcursor(void) +xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og) { - static int oldx = 0, oldy = 0; - int curx; - Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og; Color drawcol; - - LIMIT(oldx, 0, term.col-1); - LIMIT(oldy, 0, term.row-1); - - curx = term.c.x; - - /* adjust position if in dummy */ - if (term.line[oldy][oldx].mode & ATTR_WDUMMY) - oldx--; - if (term.line[term.c.y][curx].mode & ATTR_WDUMMY) - curx--; /* remove the old cursor */ - og = term.line[oldy][oldx]; - if (selected(oldx, oldy)) + if (selected(ox, oy)) og.mode ^= ATTR_REVERSE; - xdrawglyph(og, oldx, oldy); - - g.u = term.line[term.c.y][term.c.x].u; - g.mode |= term.line[term.c.y][term.c.x].mode & - (ATTR_BOLD | ATTR_ITALIC | ATTR_UNDERLINE | ATTR_STRUCK); + xdrawglyph(og, ox, oy); /* * Select the right color for the right mode. */ + g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE; + g.fg = defaultbg; + g.bg = defaultcs; + if (IS_SET(MODE_REVERSE)) { g.mode |= ATTR_REVERSE; g.bg = defaultfg; - if (selected(term.c.x, term.c.y)) { + if (selected(cx, cy)) { drawcol = dc.col[defaultcs]; g.fg = defaultrcs; } else {@@ -1429,7 +1414,7 @@ drawcol = dc.col[defaultrcs];
g.fg = defaultcs; } } else { - if (selected(term.c.x, term.c.y)) { + if (selected(cx, cy)) { drawcol = dc.col[defaultrcs]; g.fg = defaultfg; g.bg = defaultrcs;@@ -1449,44 +1434,42 @@ utf8decode("☃", &g.u, UTF_SIZ);
case 0: /* Blinking Block */ case 1: /* Blinking Block (Default) */ case 2: /* Steady Block */ - g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE; - xdrawglyph(g, term.c.x, term.c.y); + xdrawglyph(g, cx, cy); break; case 3: /* Blinking Underline */ case 4: /* Steady Underline */ XftDrawRect(xw.draw, &drawcol, - borderpx + curx * win.cw, - borderpx + (term.c.y + 1) * win.ch - \ + borderpx + cx * win.cw, + borderpx + (cy + 1) * win.ch - \ cursorthickness, win.cw, cursorthickness); break; case 5: /* Blinking bar */ case 6: /* Steady bar */ XftDrawRect(xw.draw, &drawcol, - borderpx + curx * win.cw, - borderpx + term.c.y * win.ch, + borderpx + cx * win.cw, + borderpx + cy * win.ch, cursorthickness, win.ch); break; } } else { XftDrawRect(xw.draw, &drawcol, - borderpx + curx * win.cw, - borderpx + term.c.y * win.ch, + borderpx + cx * win.cw, + borderpx + cy * win.ch, win.cw - 1, 1); XftDrawRect(xw.draw, &drawcol, - borderpx + curx * win.cw, - borderpx + term.c.y * win.ch, + borderpx + cx * win.cw, + borderpx + cy * win.ch, 1, win.ch - 1); XftDrawRect(xw.draw, &drawcol, - borderpx + (curx + 1) * win.cw - 1, - borderpx + term.c.y * win.ch, + borderpx + (cx + 1) * win.cw - 1, + borderpx + cy * win.ch, 1, win.ch - 1); XftDrawRect(xw.draw, &drawcol, - borderpx + curx * win.cw, - borderpx + (term.c.y + 1) * win.ch - 1, + borderpx + cx * win.cw, + borderpx + (cy + 1) * win.ch - 1, win.cw, 1); } - oldx = curx, oldy = term.c.y; } void