Initial Patching

1 files changed, 235 insertions, 40 deletions

diff --git a/x.c b/x.c
index b36fb8c..adf5232 100644
--- a/x.c
+++ b/x.c
@@ -14,6 +14,7 @@
 #include <X11/keysym.h>
 #include <X11/Xft/Xft.h>
 #include <X11/XKBlib.h>
+#include <X11/Xresource.h>
 
 char *argv0;
 #include "arg.h"
@@ -45,6 +46,19 @@ typedef struct {
 	signed char appcursor; /* application cursor */
 } Key;
 
+/* Xresources preferences */
+enum resource_type {
+	STRING = 0,
+	INTEGER = 1,
+	FLOAT = 2
+};
+
+typedef struct {
+	char *name;
+	enum resource_type type;
+	void *dst;
+} ResourcePref;
+
 /* X modifiers */
 #define XK_ANY_MOD    UINT_MAX
 #define XK_NO_MOD     0
@@ -81,6 +95,7 @@ typedef XftGlyphFontSpec GlyphFontSpec;
 typedef struct {
 	int tw, th; /* tty width and height */
 	int w, h; /* window width and height */
+	int hborderpx, vborderpx;
 	int ch; /* char height */
 	int cw; /* char width  */
 	int mode; /* window state/mode flags */
@@ -105,6 +120,7 @@ typedef struct {
 	XSetWindowAttributes attrs;
 	int scr;
 	int isfixed; /* is fixed geometry? */
+	int depth; /* bit depth */
 	int l, t; /* left and top offset */
 	int gm; /* geometry mask */
 } XWindow;
@@ -157,6 +173,8 @@ static void xhints(void);
 static int xloadcolor(int, const char *, Color *);
 static int xloadfont(Font *, FcPattern *);
 static void xloadfonts(const char *, double);
+static int xloadsparefont(FcPattern *, int);
+static void xloadsparefonts(void);
 static void xunloadfont(Font *);
 static void xunloadfonts(void);
 static void xsetenv(void);
@@ -243,6 +261,7 @@ static char *usedfont = NULL;
 static double usedfontsize = 0;
 static double defaultfontsize = 0;
 
+static char *opt_alpha = NULL;
 static char *opt_class = NULL;
 static char **opt_cmd  = NULL;
 static char *opt_embed = NULL;
@@ -306,6 +325,7 @@ zoomabs(const Arg *arg)
 {
 	xunloadfonts();
 	xloadfonts(usedfont, arg->f);
+	xloadsparefonts();
 	cresize(0, 0);
 	redraw();
 	xhints();
@@ -331,7 +351,7 @@ ttysend(const Arg *arg)
 int
 evcol(XEvent *e)
 {
-	int x = e->xbutton.x - borderpx;
+	int x = e->xbutton.x - win.hborderpx;
 	LIMIT(x, 0, win.tw - 1);
 	return x / win.cw;
 }
@@ -339,7 +359,7 @@ evcol(XEvent *e)
 int
 evrow(XEvent *e)
 {
-	int y = e->xbutton.y - borderpx;
+	int y = e->xbutton.y - win.vborderpx;
 	LIMIT(y, 0, win.th - 1);
 	return y / win.ch;
 }
@@ -739,6 +759,9 @@ cresize(int width, int height)
 	col = MAX(1, col);
 	row = MAX(1, row);
 
+	win.hborderpx = (win.w - col * win.cw) / 2;
+	win.vborderpx = (win.h - row * win.ch) / 2;
+
 	tresize(col, row);
 	xresize(col, row);
 	ttyresize(win.tw, win.th);
@@ -752,7 +775,7 @@ xresize(int col, int row)
 
 	XFreePixmap(xw.dpy, xw.buf);
 	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
-			DefaultDepth(xw.dpy, xw.scr));
+			xw.depth);
 	XftDrawChange(xw.draw, xw.buf);
 	xclear(0, 0, win.w, win.h);
 
@@ -812,6 +835,13 @@ xloadcols(void)
 			else
 				die("could not allocate color %d\n", i);
 		}
+
+	/* set alpha value of bg color */
+	if (opt_alpha)
+		alpha = strtof(opt_alpha, NULL);
+	dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
+	dc.col[defaultbg].pixel &= 0x00FFFFFF;
+	dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
 	loaded = 1;
 }
 
@@ -859,8 +889,8 @@ xclear(int x1, int y1, int x2, int y2)
 void
 xhints(void)
 {
-	XClassHint class = {opt_name ? opt_name : termname,
-	                    opt_class ? opt_class : termname};
+	XClassHint class = {opt_name ? opt_name : "st",
+	                    opt_class ? opt_class : "St"};
 	XWMHints wm = {.flags = InputHint, .input = 1};
 	XSizeHints *sizeh;
 
@@ -869,8 +899,8 @@ xhints(void)
 	sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
 	sizeh->height = win.h;
 	sizeh->width = win.w;
-	sizeh->height_inc = win.ch;
-	sizeh->width_inc = win.cw;
+	sizeh->height_inc = 1;
+	sizeh->width_inc = 1;
 	sizeh->base_height = 2 * borderpx;
 	sizeh->base_width = 2 * borderpx;
 	sizeh->min_height = win.ch + 2 * borderpx;
@@ -1050,6 +1080,101 @@ xloadfonts(const char *fontstr, double fontsize)
 	FcPatternDestroy(pattern);
 }
 
+int
+xloadsparefont(FcPattern *pattern, int flags)
+{
+	FcPattern *match;
+	FcResult result;
+	
+	match = FcFontMatch(NULL, pattern, &result);
+	if (!match) {
+		return 1;
+	}
+
+	if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) {
+		FcPatternDestroy(match);
+		return 1;
+	}
+
+	frc[frclen].flags = flags;
+	/* Believe U+0000 glyph will present in each default font */
+	frc[frclen].unicodep = 0;
+	frclen++;
+
+	return 0;
+}
+
+void
+xloadsparefonts(void)
+{
+	FcPattern *pattern;
+	double sizeshift, fontval;
+	int fc;
+	char **fp;
+
+	if (frclen != 0)
+		die("can't embed spare fonts. cache isn't empty");
+
+	/* Calculate count of spare fonts */
+	fc = sizeof(font2) / sizeof(*font2);
+	if (fc == 0)
+		return;
+
+	/* Allocate memory for cache entries. */
+	if (frccap < 4 * fc) {
+		frccap += 4 * fc - frccap;
+		frc = xrealloc(frc, frccap * sizeof(Fontcache));
+	}
+
+	for (fp = font2; fp - font2 < fc; ++fp) {
+	
+		if (**fp == '-')
+			pattern = XftXlfdParse(*fp, False, False);
+		else
+			pattern = FcNameParse((FcChar8 *)*fp);
+	
+		if (!pattern)
+			die("can't open spare font %s\n", *fp);
+	   		
+		if (defaultfontsize > 0) {
+			sizeshift = usedfontsize - defaultfontsize;
+			if (sizeshift != 0 &&
+					FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
+					FcResultMatch) {	
+				fontval += sizeshift;
+				FcPatternDel(pattern, FC_PIXEL_SIZE);
+				FcPatternDel(pattern, FC_SIZE);
+				FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval);
+			}
+		}
+	
+		FcPatternAddBool(pattern, FC_SCALABLE, 1);
+	
+		FcConfigSubstitute(NULL, pattern, FcMatchPattern);
+		XftDefaultSubstitute(xw.dpy, xw.scr, pattern);
+	
+		if (xloadsparefont(pattern, FRC_NORMAL))
+			die("can't open spare font %s\n", *fp);
+	
+		FcPatternDel(pattern, FC_SLANT);
+		FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
+		if (xloadsparefont(pattern, FRC_ITALIC))
+			die("can't open spare font %s\n", *fp);
+			
+		FcPatternDel(pattern, FC_WEIGHT);
+		FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+		if (xloadsparefont(pattern, FRC_ITALICBOLD))
+			die("can't open spare font %s\n", *fp);
+	
+		FcPatternDel(pattern, FC_SLANT);
+		FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
+		if (xloadsparefont(pattern, FRC_BOLD))
+			die("can't open spare font %s\n", *fp);
+	
+		FcPatternDestroy(pattern);
+	}
+}
+
 void
 xunloadfont(Font *f)
 {
@@ -1134,11 +1259,21 @@ xinit(int cols, int rows)
 	Window parent;
 	pid_t thispid = getpid();
 	XColor xmousefg, xmousebg;
+	XWindowAttributes attr;
+	XVisualInfo vis;
 
-	if (!(xw.dpy = XOpenDisplay(NULL)))
-		die("can't open display\n");
 	xw.scr = XDefaultScreen(xw.dpy);
-	xw.vis = XDefaultVisual(xw.dpy, xw.scr);
+
+	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
+		parent = XRootWindow(xw.dpy, xw.scr);
+		xw.depth = 32;
+	} else {
+		XGetWindowAttributes(xw.dpy, parent, &attr);
+		xw.depth = attr.depth;
+	}
+
+	XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis);
+	xw.vis = vis.visual;
 
 	/* font */
 	if (!FcInit())
@@ -1147,13 +1282,16 @@ xinit(int cols, int rows)
 	usedfont = (opt_font == NULL)? font : opt_font;
 	xloadfonts(usedfont, 0);
 
+	/* spare fonts */
+	xloadsparefonts();
+
 	/* colors */
-	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
+	xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
 	xloadcols();
 
 	/* adjust fixed window geometry */
-	win.w = 2 * borderpx + cols * win.cw;
-	win.h = 2 * borderpx + rows * win.ch;
+	win.w = 2 * win.hborderpx + 2 * borderpx + cols * win.cw;
+	win.h = 2 * win.vborderpx + 2 * borderpx + rows * win.ch;
 	if (xw.gm & XNegative)
 		xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
 	if (xw.gm & YNegative)
@@ -1168,19 +1306,15 @@ xinit(int cols, int rows)
 		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
 	xw.attrs.colormap = xw.cmap;
 
-	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
-		parent = XRootWindow(xw.dpy, xw.scr);
 	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
-			win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
+			win.w, win.h, 0, xw.depth, InputOutput,
 			xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
 			| CWEventMask | CWColormap, &xw.attrs);
 
 	memset(&gcvalues, 0, sizeof(gcvalues));
 	gcvalues.graphics_exposures = False;
-	dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
-			&gcvalues);
-	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
-			DefaultDepth(xw.dpy, xw.scr));
+	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
+	dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues);
 	XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
 	XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
 
@@ -1242,7 +1376,7 @@ xinit(int cols, int rows)
 int
 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
 {
-	float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
+	float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, xp, yp;
 	ushort mode, prevmode = USHRT_MAX;
 	Font *font = &dc.font;
 	int frcflags = FRC_NORMAL;
@@ -1375,7 +1509,7 @@ void
 xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
 {
 	int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
-	int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
+	int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
 	    width = charlen * win.cw;
 	Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
 	XRenderColor colfg, colbg;
@@ -1465,17 +1599,17 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 
 	/* Intelligent cleaning up of the borders. */
 	if (x == 0) {
-		xclear(0, (y == 0)? 0 : winy, borderpx,
+		xclear(0, (y == 0)? 0 : winy, win.vborderpx,
 			winy + win.ch +
-			((winy + win.ch >= borderpx + win.th)? win.h : 0));
+			((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
 	}
-	if (winx + width >= borderpx + win.tw) {
+	if (winx + width >= win.hborderpx + win.tw) {
 		xclear(winx + width, (y == 0)? 0 : winy, win.w,
-			((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch)));
+			((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
 	}
 	if (y == 0)
-		xclear(winx, 0, winx + width, borderpx);
-	if (winy + win.ch >= borderpx + win.th)
+		xclear(winx, 0, winx + width, win.vborderpx);
+	if (winy + win.ch >= win.vborderpx + win.th)
 		xclear(winx, winy + win.ch, winx + width, win.h);
 
 	/* Clean up the region we want to draw to. */
@@ -1569,35 +1703,35 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
 		case 3: /* Blinking Underline */
 		case 4: /* Steady Underline */
 			XftDrawRect(xw.draw, &drawcol,
-					borderpx + cx * win.cw,
-					borderpx + (cy + 1) * win.ch - \
+					win.hborderpx + cx * win.cw,
+					win.vborderpx + (cy + 1) * win.ch - \
 						cursorthickness,
 					win.cw, cursorthickness);
 			break;
 		case 5: /* Blinking bar */
 		case 6: /* Steady bar */
 			XftDrawRect(xw.draw, &drawcol,
-					borderpx + cx * win.cw,
-					borderpx + cy * win.ch,
+					win.hborderpx + cx * win.cw,
+					win.vborderpx + cy * win.ch,
 					cursorthickness, win.ch);
 			break;
 		}
 	} else {
 		XftDrawRect(xw.draw, &drawcol,
-				borderpx + cx * win.cw,
-				borderpx + cy * win.ch,
+				win.hborderpx + cx * win.cw,
+				win.vborderpx + cy * win.ch,
 				win.cw - 1, 1);
 		XftDrawRect(xw.draw, &drawcol,
-				borderpx + cx * win.cw,
-				borderpx + cy * win.ch,
+				win.hborderpx + cx * win.cw,
+				win.vborderpx + cy * win.ch,
 				1, win.ch - 1);
 		XftDrawRect(xw.draw, &drawcol,
-				borderpx + (cx + 1) * win.cw - 1,
-				borderpx + cy * win.ch,
+				win.hborderpx + (cx + 1) * win.cw - 1,
+				win.vborderpx + cy * win.ch,
 				1, win.ch - 1);
 		XftDrawRect(xw.draw, &drawcol,
-				borderpx + cx * win.cw,
-				borderpx + (cy + 1) * win.ch - 1,
+				win.hborderpx + cx * win.cw,
+				win.vborderpx + (cy + 1) * win.ch - 1,
 				win.cw, 1);
 	}
 }
@@ -2014,6 +2148,59 @@ run(void)
 	}
 }
 
+int
+resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
+{
+	char **sdst = dst;
+	int *idst = dst;
+	float *fdst = dst;
+
+	char fullname[256];
+	char fullclass[256];
+	char *type;
+	XrmValue ret;
+
+	snprintf(fullname, sizeof(fullname), "%s.%s",
+			opt_name ? opt_name : "st", name);
+	snprintf(fullclass, sizeof(fullclass), "%s.%s",
+			opt_class ? opt_class : "St", name);
+	fullname[sizeof(fullname) - 1] = fullclass[sizeof(fullclass) - 1] = '\0';
+
+	XrmGetResource(db, fullname, fullclass, &type, &ret);
+	if (ret.addr == NULL || strncmp("String", type, 64))
+		return 1;
+
+	switch (rtype) {
+	case STRING:
+		*sdst = ret.addr;
+		break;
+	case INTEGER:
+		*idst = strtoul(ret.addr, NULL, 10);
+		break;
+	case FLOAT:
+		*fdst = strtof(ret.addr, NULL);
+		break;
+	}
+	return 0;
+}
+
+void
+config_init(void)
+{
+	char *resm;
+	XrmDatabase db;
+	ResourcePref *p;
+
+	XrmInitialize();
+	resm = XResourceManagerString(xw.dpy);
+	if (!resm)
+		return;
+
+	db = XrmGetStringDatabase(resm);
+	for (p = resources; p < resources + LEN(resources); p++)
+		resource_load(db, p->name, p->type, p->dst);
+}
+
 void
 usage(void)
 {
@@ -2038,6 +2225,9 @@ main(int argc, char *argv[])
 	case 'a':
 		allowaltscreen = 0;
 		break;
+	case 'A':
+		opt_alpha = EARGF(usage());
+		break;
 	case 'c':
 		opt_class = EARGF(usage());
 		break;
@@ -2087,6 +2277,11 @@ run:
 
 	setlocale(LC_CTYPE, "");
 	XSetLocaleModifiers("");
+
+	if(!(xw.dpy = XOpenDisplay(NULL)))
+		die("Can't open display\n");
+
+	config_init();
 	cols = MAX(cols, 1);
 	rows = MAX(rows, 1);
 	tnew(cols, rows);