Move font/fontspec variables into x.c and XWindow

Signed-off-by: Devin J. Pohly <djpohly@gmail.com>

st.c

@@ -28,9 +28,6 @@
 #include <X11/cursorfont.h>
 #include <X11/Xft/Xft.h>
 
-#define Glyph Glyph_
-#define Font Font_
-
 #include "st.h"
 #include "win.h"
 
@@ -196,7 +193,6 @@ static size_t utf8validate(Rune *, size_t);
 static char *base64dec(const char *);
 
 static ssize_t xwrite(int, const char *, size_t);
-static void *xrealloc(void *, size_t);
 
 /* Globals */
 TermWindow win;
@@ -218,10 +214,6 @@ static CSIEscape csiescseq;
 static STREscape strescseq;
 static int iofd = 1;
 
-char *usedfont = NULL;
-double usedfontsize = 0;
-double defaultfontsize = 0;
-
 static uchar utfbyte[UTF_SIZ + 1] = {0x80,    0, 0xC0, 0xE0, 0xF0};
 static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
 static Rune utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
@@ -2516,9 +2508,6 @@ tresize(int col, int row)
 		free(term.alt[i]);
 	}
 
-	/* resize to new width */
-	term.specbuf = xrealloc(term.specbuf, col * sizeof(GlyphFontSpec));
-
 	/* resize to new height */
 	term.line = xrealloc(term.line, row * sizeof(Line));
 	term.alt  = xrealloc(term.alt,  row * sizeof(Line));

st.h

@@ -92,6 +92,7 @@ typedef unsigned short ushort;
 
 typedef uint_least32_t Rune;
 
+#define Glyph Glyph_
 typedef struct {
 	Rune u;           /* character code */
 	ushort mode;      /* attribute flags */
@@ -100,7 +101,6 @@ typedef struct {
 } Glyph;
 
 typedef Glyph *Line;
-typedef XftGlyphFontSpec GlyphFontSpec;
 
 typedef struct {
 	Glyph attr; /* current char attributes */
@@ -116,7 +116,6 @@ typedef struct {
 	Line *line;   /* screen */
 	Line *alt;    /* alternate screen */
 	int *dirty;  /* dirtyness of lines */
-	GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
 	TCursor c;    /* cursor */
 	int top;      /* top    scroll limit */
 	int bot;      /* bottom scroll limit */
@@ -213,6 +212,7 @@ size_t utf8decode(char *, Rune *, size_t);
 size_t utf8encode(Rune, char *);
 
 void *xmalloc(size_t);
+void *xrealloc(void *, size_t);
 char *xstrdup(char *);
 
 /* Globals */
@@ -231,10 +231,6 @@ extern char *opt_name;
 extern char *opt_title;
 extern int oldbutton;
 
-extern char *usedfont;
-extern double usedfontsize;
-extern double defaultfontsize;
-
 /* config.h globals */
 extern char font[];
 extern int borderpx;

x.c

@@ -17,10 +17,6 @@
 
 static char *argv0;
 #include "arg.h"
-
-#define Glyph Glyph_
-#define Font Font_
-
 #include "st.h"
 #include "win.h"
 
@@ -35,6 +31,7 @@ static char *argv0;
 
 typedef XftDraw *Draw;
 typedef XftColor Color;
+typedef XftGlyphFontSpec GlyphFontSpec;
 
 /* Purely graphic info */
 typedef struct {
@@ -42,6 +39,7 @@ typedef struct {
 	Colormap cmap;
 	Window win;
 	Drawable buf;
+	GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
 	Atom xembed, wmdeletewin, netwmname, netwmpid;
 	XIM xim;
 	XIC xic;
@@ -59,6 +57,7 @@ typedef struct {
 } XSelection;
 
 /* Font structure */
+#define Font Font_
 typedef struct {
 	int height;
 	int width;
@@ -166,6 +165,9 @@ typedef struct {
 /* Fontcache is an array now. A new font will be appended to the array. */
 static Fontcache frc[16];
 static int frclen = 0;
+static char *usedfont = NULL;
+static double usedfontsize = 0;
+static double defaultfontsize = 0;
 
 void
 zoom(const Arg *arg)
@@ -605,6 +607,9 @@ xresize(int col, int row)
 			DefaultDepth(xw.dpy, xw.scr));
 	XftDrawChange(xw.draw, xw.buf);
 	xclear(0, 0, win.w, win.h);
+
+	/* resize to new width */
+	xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
 }
 
 ushort
@@ -965,6 +970,9 @@ xinit(void)
 	XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
 	XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
 
+	/* font spec buffer */
+	xw.specbuf = xmalloc(term.col * sizeof(GlyphFontSpec));
+
 	/* Xft rendering context */
 	xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
 
@@ -1456,7 +1464,7 @@ drawregion(int x1, int y1, int x2, int y2)
 
 		term.dirty[y] = 0;
 
-		specs = term.specbuf;
+		specs = xw.specbuf;
 		numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
 
 		i = ox = 0;