merge alpha patch

config.def.h

@@ -12,6 +12,8 @@ static char normbgcolor[]           = "#222222";
 static char normbordercolor[]       = "#444444";
 static char normfgcolor[]           = "#bbbbbb";
 static char selfgcolor[]            = "#eeeeee";
+static const unsigned int baralpha = 0xd0;
+static const unsigned int borderalpha = OPAQUE;
 static char selbordercolor[]        = "#005577";
 static char selbgcolor[]            = "#005577";
 static char *colors[][3] = {
@@ -19,6 +21,11 @@ static char *colors[][3] = {
        [SchemeNorm] = { normfgcolor, normbgcolor, normbordercolor },
        [SchemeSel]  = { selfgcolor,  selbgcolor,  selbordercolor  },
 };
+static const unsigned int alphas[][3]      = {
+	/*               fg      bg        border     */
+	[SchemeNorm] = { OPAQUE, baralpha, borderalpha },
+	[SchemeSel]  = { OPAQUE, baralpha, borderalpha },
+};
 
 /* tagging */
 static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
@@ -47,7 +54,7 @@ static const Layout layouts[] = {
 };
 
 /* key definitions */
-#define MODKEY Mod1Mask
+#define MODKEY Mod4Mask
 #define TAGKEYS(KEY,TAG) \
 	{ MODKEY,                       KEY,      view,           {.ui = 1 << TAG} }, \
 	{ MODKEY|ControlMask,           KEY,      toggleview,     {.ui = 1 << TAG} }, \
@@ -74,13 +81,15 @@ ResourcePref resources[] = {
 		{ "selbgcolor",         STRING,  &selbgcolor },
 		{ "selbordercolor",     STRING,  &selbordercolor },
 		{ "selfgcolor",         STRING,  &selfgcolor },
+		{ "borderalpha",        INTEGER, &borderalpha },
+		{ "baralpha",          	INTEGER, &baralpha },
 		{ "borderpx",          	INTEGER, &borderpx },
-		{ "snap",          		INTEGER, &snap },
+		{ "snap",          	INTEGER, &snap },
 		{ "showbar",          	INTEGER, &showbar },
 		{ "topbar",          	INTEGER, &topbar },
 		{ "nmaster",          	INTEGER, &nmaster },
 		{ "resizehints",       	INTEGER, &resizehints },
-		{ "mfact",      	 	FLOAT,   &mfact },
+		{ "mfact",       	FLOAT,   &mfact },
 };
 
 static Key keys[] = {

config.h

@@ -1,34 +1,30 @@
 /* See LICENSE file for copyright and license details. */
 
 /* appearance */
-static const unsigned int borderpx  = 1;        /* border pixel of windows */
-static const unsigned int snap      = 32;       /* snap pixel */
-static const int showbar            = 1;        /* 0 means no bar */
-static const int topbar             = 1;        /* 0 means bottom bar */
-static const char *fonts[]          = { "monospace:size=10" };
-static const char dmenufont[]       = "monospace:size=10";
-
-/*static const char col_gray1[]       = "#222222";
-static const char col_gray2[]       = "#444444";
-static const char col_gray3[]       = "#bbbbbb";
-static const char col_gray4[]       = "#eeeeee";
-static const char col_cyan[]        = "#005577";
-static const char *colors[][3]      = {*/
-	/*               fg         bg         border   */
-/*	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
-	[SchemeSel]  = { col_gray4, col_cyan,  col_cyan  },
-};*/
-
-static char normbgcolor[]     = "#20043a"; // bg color of statusbar
-static char normbordercolor[] = "#b533ff"; // unselected window border 
-static char normfgcolor[]     = "#e070e0"; // text on statusbar
-static char selfgcolor[]      = "#bb88ff"; // text in highlight area
-static char selbgcolor[]      = "#770533"; // highlight color
-static char selbordercolor[]  = "#770533"; // highlight color
-static char *colors[][3]      = {
-	/*               fg           bg           border   */
-	[SchemeNorm] = { normfgcolor, normbgcolor, normbordercolor },
-	[SchemeSel]  = { selfgcolor,  selbgcolor,  selbordercolor  },
+static unsigned int borderpx  = 1;        /* border pixel of windows */
+static unsigned int snap      = 32;       /* snap pixel */
+static int showbar            = 1;        /* 0 means no bar */
+static int topbar             = 1;        /* 0 means bottom bar */
+static char font[]            = "monospace:size=10";
+static char dmenufont[]       = "monospace:size=10";
+static const char *fonts[]          = { font };
+static char normbgcolor[]           = "#222222";
+static char normbordercolor[]       = "#444444";
+static char normfgcolor[]           = "#bbbbbb";
+static char selfgcolor[]            = "#eeeeee";
+static const unsigned int baralpha = 0xd0;
+static const unsigned int borderalpha = OPAQUE;
+static char selbordercolor[]        = "#005577";
+static char selbgcolor[]            = "#005577";
+static char *colors[][3] = {
+       /*               fg           bg           border   */
+       [SchemeNorm] = { normfgcolor, normbgcolor, normbordercolor },
+       [SchemeSel]  = { selfgcolor,  selbgcolor,  selbordercolor  },
+};
+static const unsigned int alphas[][3]      = {
+	/*               fg      bg        border     */
+	[SchemeNorm] = { OPAQUE, baralpha, borderalpha },
+	[SchemeSel]  = { OPAQUE, baralpha, borderalpha },
 };
 
 /* tagging */
@@ -45,9 +41,9 @@ static const Rule rules[] = {
 };
 
 /* layout(s) */
-static const float mfact     = 0.55; /* factor of master area size [0.05..0.95] */
-static const int nmaster     = 1;    /* number of clients in master area */
-static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
+static float mfact     = 0.55; /* factor of master area size [0.05..0.95] */
+static int nmaster     = 1;    /* number of clients in master area */
+static int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
 static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen window */
 
 static const Layout layouts[] = {
@@ -70,23 +66,30 @@ static const Layout layouts[] = {
 
 /* commands */
 static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
-static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", normbgcolor, "-nf", normfgcolor, "-sb", selbgcolor, "-sf", selfgcolor, NULL };
+static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", normbgcolor, "-nf", normfgcolor, "-sb", selbordercolor, "-sf", selfgcolor, NULL };
 static const char *termcmd[]  = { "st", NULL };
 
+/*
+ * Xresources preferences to load at startup
+ */
 ResourcePref resources[] = {
+		{ "font",               STRING,  &font },
+		{ "dmenufont",          STRING,  &dmenufont },
 		{ "normbgcolor",        STRING,  &normbgcolor },
 		{ "normbordercolor",    STRING,  &normbordercolor },
 		{ "normfgcolor",        STRING,  &normfgcolor },
 		{ "selbgcolor",         STRING,  &selbgcolor },
 		{ "selbordercolor",     STRING,  &selbordercolor },
 		{ "selfgcolor",         STRING,  &selfgcolor },
+		{ "borderalpha",        INTEGER, &borderalpha },
+		{ "baralpha",          	INTEGER, &baralpha },
 		{ "borderpx",          	INTEGER, &borderpx },
 		{ "snap",          	INTEGER, &snap },
 		{ "showbar",          	INTEGER, &showbar },
 		{ "topbar",          	INTEGER, &topbar },
 		{ "nmaster",          	INTEGER, &nmaster },
 		{ "resizehints",       	INTEGER, &resizehints },
-		{ "mfact",      	 	FLOAT,   &mfact },
+		{ "mfact",       	FLOAT,   &mfact },
 };
 
 static Key keys[] = {

config.mk

@@ -22,7 +22,7 @@ FREETYPEINC = /usr/include/freetype2
 
 # includes and libs
 INCS = -I${X11INC} -I${FREETYPEINC}
-LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
+LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lXrender
 
 # flags
 CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=200809L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}

drw.c

@@ -61,7 +61,7 @@ utf8decode(const char *c, long *u, size_t clen)
 }
 
 Drw *
-drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
+drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h, Visual *visual, unsigned int depth, Colormap cmap)
 {
 	Drw *drw = ecalloc(1, sizeof(Drw));
 
@@ -70,8 +70,11 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
 	drw->root = root;
 	drw->w = w;
 	drw->h = h;
-	drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen));
-	drw->gc = XCreateGC(dpy, root, 0, NULL);
+	drw->visual = visual;
+	drw->depth = depth;
+	drw->cmap = cmap;
+	drw->drawable = XCreatePixmap(dpy, root, w, h, depth);
+	drw->gc = XCreateGC(dpy, drw->drawable, 0, NULL);
 	XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
 
 	return drw;
@@ -87,7 +90,7 @@ drw_resize(Drw *drw, unsigned int w, unsigned int h)
 	drw->h = h;
 	if (drw->drawable)
 		XFreePixmap(drw->dpy, drw->drawable);
-	drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen));
+	drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, drw->depth);
 }
 
 void
@@ -194,21 +197,21 @@ drw_fontset_free(Fnt *font)
 }
 
 void
-drw_clr_create(Drw *drw, Clr *dest, const char *clrname)
+drw_clr_create(Drw *drw, Clr *dest, const char *clrname, unsigned int alpha)
 {
 	if (!drw || !dest || !clrname)
 		return;
 
-	if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
-	                       DefaultColormap(drw->dpy, drw->screen),
+	if (!XftColorAllocName(drw->dpy, drw->visual, drw->cmap,
 	                       clrname, dest))
 		die("error, cannot allocate color '%s'", clrname);
+	dest->pixel = (dest->pixel & 0x00ffffffU) | (alpha << 24);
 }
 
 /* Wrapper to create color schemes. The caller has to call free(3) on the
  * returned color scheme when done using it. */
 Clr *
-drw_scm_create(Drw *drw, char *clrnames[], size_t clrcount)
+drw_scm_create(Drw *drw, const char *clrnames[], const unsigned int alphas[], size_t clrcount)
 {
 	size_t i;
 	Clr *ret;
@@ -218,7 +221,7 @@ drw_scm_create(Drw *drw, char *clrnames[], size_t clrcount)
 		return NULL;
 
 	for (i = 0; i < clrcount; i++)
-		drw_clr_create(drw, &ret[i], clrnames[i]);
+		drw_clr_create(drw, &ret[i], clrnames[i], alphas[i]);
 	return ret;
 }
 
@@ -274,9 +277,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 	} else {
 		XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg : ColBg].pixel);
 		XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
-		d = XftDrawCreate(drw->dpy, drw->drawable,
-		                  DefaultVisual(drw->dpy, drw->screen),
-		                  DefaultColormap(drw->dpy, drw->screen));
+		d = XftDrawCreate(drw->dpy, drw->drawable, drw->visual, drw->cmap);
 		x += lpad;
 		w -= lpad;
 	}

drw.h

@@ -20,6 +20,9 @@ typedef struct {
 	Display *dpy;
 	int screen;
 	Window root;
+	Visual *visual;
+	unsigned int depth;
+	Colormap cmap;
 	Drawable drawable;
 	GC gc;
 	Clr *scheme;
@@ -27,7 +30,7 @@ typedef struct {
 } Drw;
 
 /* Drawable abstraction */
-Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h);
+Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h, Visual *visual, unsigned int depth, Colormap cmap);
 void drw_resize(Drw *drw, unsigned int w, unsigned int h);
 void drw_free(Drw *drw);
 
@@ -38,8 +41,8 @@ unsigned int drw_fontset_getwidth(Drw *drw, const char *text);
 void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h);
 
 /* Colorscheme abstraction */
-void drw_clr_create(Drw *drw, Clr *dest, const char *clrname);
-Clr *drw_scm_create(Drw *drw, char *clrnames[], size_t clrcount);
+void drw_clr_create(Drw *drw, Clr *dest, const char *clrname, unsigned int alpha);
+Clr *drw_scm_create(Drw *drw, const char *clrnames[], const unsigned int alphas[], size_t clrcount);
 
 /* Cursor abstraction */
 Cur *drw_cur_create(Drw *drw, int shape);

dwm.c

@@ -58,6 +58,8 @@
 #define TAGMASK                 ((1 << LENGTH(tags)) - 1)
 #define TEXTW(X)                (drw_fontset_getwidth(drw, (X)) + lrpad)
 
+#define OPAQUE                  0xffU
+
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
 enum { SchemeNorm, SchemeSel }; /* color schemes */
@@ -247,6 +249,7 @@ static Monitor *wintomon(Window w);
 static int xerror(Display *dpy, XErrorEvent *ee);
 static int xerrordummy(Display *dpy, XErrorEvent *ee);
 static int xerrorstart(Display *dpy, XErrorEvent *ee);
+static void xinitvisual();
 static void zoom(const Arg *arg);
 static void load_xresources(void);
 static void resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst);
@@ -285,6 +288,11 @@ static Drw *drw;
 static Monitor *mons, *selmon;
 static Window root, wmcheckwin;
 
+static int useargb = 0;
+static Visual *visual;
+static int depth;
+static Colormap cmap;
+
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 
@@ -1561,7 +1569,8 @@ setup(void)
 	sw = DisplayWidth(dpy, screen);
 	sh = DisplayHeight(dpy, screen);
 	root = RootWindow(dpy, screen);
-	drw = drw_create(dpy, screen, root, sw, sh);
+	xinitvisual();
+	drw = drw_create(dpy, screen, root, sw, sh, visual, depth, cmap);
 	if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
 		die("no fonts could be loaded.");
 	lrpad = drw->fonts->h;
@@ -1589,7 +1598,7 @@ setup(void)
 	/* init appearance */
 	scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
 	for (i = 0; i < LENGTH(colors); i++)
-		scheme[i] = drw_scm_create(drw, colors[i], 3);
+		scheme[i] = drw_scm_create(drw, colors[i], alphas[i], 3);
 	/* init bars */
 	updatebars();
 	updatestatus();
@@ -1826,16 +1835,18 @@ updatebars(void)
 	Monitor *m;
 	XSetWindowAttributes wa = {
 		.override_redirect = True,
-		.background_pixmap = ParentRelative,
+		.background_pixel = 0,
+		.border_pixel = 0,
+		.colormap = cmap,
 		.event_mask = ButtonPressMask|ExposureMask
 	};
 	XClassHint ch = {"dwm", "dwm"};
 	for (m = mons; m; m = m->next) {
 		if (m->barwin)
 			continue;
-		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
-				CopyFromParent, DefaultVisual(dpy, screen),
-				CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
+		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, depth,
+		                          InputOutput, visual,
+		                          CWOverrideRedirect|CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &wa);
 		XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
 		XMapRaised(dpy, m->barwin);
 		XSetClassHint(dpy, m->barwin, &ch);
@@ -2132,6 +2143,43 @@ xerrorstart(Display *dpy, XErrorEvent *ee)
 	return -1;
 }
 
+void
+xinitvisual()
+{
+	XVisualInfo *infos;
+	XRenderPictFormat *fmt;
+	int nitems;
+	int i;
+
+	XVisualInfo tpl = {
+		.screen = screen,
+		.depth = 32,
+		.class = TrueColor
+	};
+	long masks = VisualScreenMask | VisualDepthMask | VisualClassMask;
+
+	infos = XGetVisualInfo(dpy, masks, &tpl, &nitems);
+	visual = NULL;
+	for(i = 0; i < nitems; i ++) {
+		fmt = XRenderFindVisualFormat(dpy, infos[i].visual);
+		if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) {
+			visual = infos[i].visual;
+			depth = infos[i].depth;
+			cmap = XCreateColormap(dpy, root, visual, AllocNone);
+			useargb = 1;
+			break;
+		}
+	}
+
+	XFree(infos);
+
+	if (! visual) {
+		visual = DefaultVisual(dpy, screen);
+		depth = DefaultDepth(dpy, screen);
+		cmap = DefaultColormap(dpy, screen);
+	}
+}
+
 void
 zoom(const Arg *arg)
 {