This is a new version of 'alpha' patch for dwm, which reflects breaking changes
made regarding color schemes. Alpha values for foreground, background, and
border now can be configured independently in a very straight-forward way. The
rest stays the same.
---
config.def.h | 3 +++
config.mk | 2 +-
drw.c | 27 ++++++++++++++-------------
drw.h | 9 ++++++---
dwm.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++-------
5 files changed, 77 insertions(+), 24 deletions(-)
diff --git a/config.def.h b/config.def.h
index fd77a07..aacab7b 100644
--- a/config.def.h
+++ b/config.def.h
@@ -18,6 +18,9 @@ static const char *colors[SchemeLast][3] = {
[SchemeSel] = { col_gray4, col_cyan, col_cyan },
};
+/* alpha */
+static const unsigned int alpha_scheme[3] = { 0xff, 0xdd, 0xff };
+
/* tagging */
static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
diff --git a/config.mk b/config.mk
index 80dc936..2c62e89 100644
--- a/config.mk
+++ b/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} ${FREETYPELIBS} -lXrender
# flags
CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2
-DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
diff --git a/drw.c b/drw.c
index 987e53b..8cfc55c 100644
--- a/drw.c
+++ b/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
@@ -180,21 +183,21 @@ drw_fontset_free(Fnt *font)
}
void
-drw_clr_create(Drw *drw, XftColor *dest, const char *clrname)
+drw_clr_create(Drw *drw, XftColor *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),
- clrname, dest))
+ if (!XftColorAllocName(drw->dpy, drw->visual, drw->cmap, clrname, dest))
die("error, cannot allocate color '%s'\n", 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. */
Scm
-drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
+drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount, const
unsigned int alphas[])
{
size_t i;
Scm ret;
@@ -204,7 +207,7 @@ drw_scm_create(Drw *drw, const 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;
}
@@ -260,9 +263,7 @@ 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;
}
diff --git a/drw.h b/drw.h
index ff4355b..3cfd254 100644
--- a/drw.h
+++ b/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;
Scm 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, XftColor *dest, const char *clrname);
-Scm drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount);
+void drw_clr_create(Drw *drw, XftColor *dest, const char *clrname, unsigned
int alpha);
+Scm drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount, const
unsigned int alphas[]);
/* Cursor abstraction */
Cur *drw_cur_create(Drw *drw, int shape);
diff --git a/dwm.c b/dwm.c
index b2bc9bd..304f2a9 100644
--- a/dwm.c
+++ b/dwm.c
@@ -233,6 +233,7 @@ 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);
/* variables */
@@ -269,6 +270,11 @@ static Drw *drw;
static Monitor *mons, *selmon;
static Window root;
+static int useargb = 0;
+static Visual *visual;
+static int depth;
+static Colormap cmap;
+
/* configuration, allows nested code to access above variables */
#include "config.h"
@@ -1559,7 +1565,8 @@ 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.\n");
lrpad = drw->fonts->h;
@@ -1583,8 +1590,8 @@ setup(void)
cursor[CurResize] = drw_cur_create(drw, XC_sizing);
cursor[CurMove] = drw_cur_create(drw, XC_fleur);
/* init appearance */
- scheme[SchemeNorm] = drw_scm_create(drw, colors[SchemeNorm], 3);
- scheme[SchemeSel] = drw_scm_create(drw, colors[SchemeSel], 3);
+ scheme[SchemeNorm] = drw_scm_create(drw, colors[SchemeNorm], 3,
alpha_scheme);
+ scheme[SchemeSel] = drw_scm_create(drw, colors[SchemeSel], 3,
alpha_scheme);
/* init bars */
updatebars();
updatestatus();
@@ -1797,15 +1804,17 @@ updatebars(void)
Monitor *m;
XSetWindowAttributes wa = {
.override_redirect = True,
- .background_pixmap = ParentRelative,
+ .background_pixel = 0,
+ .border_pixel = 0,
+ .colormap = cmap,
.event_mask = ButtonPressMask|ExposureMask
};
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);
}
@@ -2106,6 +2115,43 @@ xerrorstart(Display *dpy, XErrorEvent *ee)
}
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)
{
Client *c = selmon->sel;
--
2.9.0
