st-vertcenter-20231003-eb3b894.diff

From c85891b21261b68b09ed9ae6a1ca18655ef19e69 Mon Sep 17 00:00:00 2001
From: roket1428 <meorhan@protonmail.com>
Date: Tue, 3 Oct 2023 11:10:39 +0300
Subject: [PATCH] vertcenter patch

---
 x.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/x.c b/x.c
index aa09997..9ecb46e 100644
--- a/x.c
+++ b/x.c
@@ -83,6 +83,7 @@ typedef struct {
 	int w, h; /* window width and height */
 	int ch; /* char height */
 	int cw; /* char width  */
+	int cyo; /* char y offset */
 	int mode; /* window state/mode flags */
 	int cursor; /* cursor style */
 } TermWindow;
@@ -1031,6 +1032,7 @@ xloadfonts(const char *fontstr, double fontsize)
 	/* Setting character width and height. */
 	win.cw = ceilf(dc.font.width * cwscale);
 	win.ch = ceilf(dc.font.height * chscale);
+	win.cyo = ceilf(dc.font.height * (chscale - 1) / 2);
 
 	FcPatternDel(pattern, FC_SLANT);
 	FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
@@ -1255,7 +1257,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
 	FcCharSet *fccharset;
 	int i, f, numspecs = 0;
 
-	for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
+	for (i = 0, xp = winx, yp = winy + font->ascent + win.cyo; i < len; ++i) {
 		/* Fetch rune and mode for current glyph. */
 		rune = glyphs[i].u;
 		mode = glyphs[i].mode;
@@ -1280,7 +1282,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
 				font = &dc.bfont;
 				frcflags = FRC_BOLD;
 			}
-			yp = winy + font->ascent;
+			yp = winy + font->ascent + win.cyo;
 		}
 
 		/* Lookup character index with default font. */
@@ -1493,12 +1495,12 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 
 	/* Render underline and strikethrough. */
 	if (base.mode & ATTR_UNDERLINE) {
-		XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * chscale + 1,
+		XftDrawRect(xw.draw, fg, winx, winy + win.cyo + dc.font.ascent * chscale + 1,
 				width, 1);
 	}
 
 	if (base.mode & ATTR_STRUCK) {
-		XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent * chscale / 3,
+		XftDrawRect(xw.draw, fg, winx, winy + win.cyo + 2 * dc.font.ascent * chscale / 3,
 				width, 1);
 	}
 
-- 
2.42.0