commit c455a8acfd6a45cdb466865c2052a5c41053538a
parent 56e1a9c216aa098f70384bb7519487d2d1b95c66
Author: Matthew Carlson <matt@mcarlson.xyz>
Date: Sun, 11 Jul 2021 23:45:45 +0000
alpha
Diffstat:
| M | config.h | | | 8 | ++++++++ |
| M | config.mk | | | 2 | +- |
| M | dmenu.c | | | 62 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++------ |
| M | drw.c | | | 26 | ++++++++++++++------------ |
| M | drw.h | | | 9 | ++++++--- |
5 files changed, 85 insertions(+), 22 deletions(-)
diff --git a/config.h b/config.h
@@ -2,6 +2,7 @@
/* Default settings; can be overriden by command line. */
static int topbar = 1; /* -b option; if 0, dmenu appears at bottom */
+static const unsigned int alpha = 0xf0;
/* -fn option overrides fonts[0]; default X11 font or font set */
static const char *fonts[] = {
"monospace:size=10"
@@ -13,6 +14,13 @@ static const char *colors[SchemeLast][2] = {
[SchemeSel] = { "#eeeeee", "#005577" },
[SchemeOut] = { "#000000", "#00ffff" },
};
+
+static const unsigned int alphas[SchemeLast][2] = {
+ [SchemeNorm] = { OPAQUE, alpha },
+ [SchemeSel] = { OPAQUE, alpha },
+ [SchemeOut] = { OPAQUE, alpha },
+};
+
/* -l option; if nonzero, dmenu uses vertical list with given number of lines */
static unsigned int lines = 0;
diff --git a/config.mk b/config.mk
@@ -20,7 +20,7 @@ FREETYPEINC = /usr/include/freetype2
# includes and libs
INCS = -I$(X11INC) -I$(FREETYPEINC)
-LIBS = -L$(X11LIB) -lX11 $(XINERAMALIBS) $(FREETYPELIBS)
+LIBS = -L$(X11LIB) -lX11 $(XINERAMALIBS) $(FREETYPELIBS) -lXrender
# flags
CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700 -D_POSIX_C_SOURCE=200809L -DVERSION=\"$(VERSION)\" $(XINERAMAFLAGS)
diff --git a/dmenu.c b/dmenu.c
@@ -9,6 +9,7 @@
#include <unistd.h>
#include <X11/Xlib.h>
+#include <X11/Xproto.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#ifdef XINERAMA
@@ -25,6 +26,8 @@
#define LENGTH(X) (sizeof X / sizeof X[0])
#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
+#define OPAQUE 0xffU
+
/* enums */
enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
@@ -53,10 +56,16 @@ static XIC xic;
static Drw *drw;
static Clr *scheme[SchemeLast];
+static int useargb = 0;
+static Visual *visual;
+static int depth;
+static Colormap cmap;
+
#include "config.h"
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
+static void xinitvisual();
static void
appenditem(struct item *item, struct item **list, struct item **last)
@@ -602,7 +611,7 @@ setup(void)
#endif
/* init appearance */
for (j = 0; j < SchemeLast; j++)
- scheme[j] = drw_scm_create(drw, colors[j], 2);
+ scheme[j] = drw_scm_create(drw, colors[j], alphas[i], 2);
clip = XInternAtom(dpy, "CLIPBOARD", False);
utf8 = XInternAtom(dpy, "UTF8_STRING", False);
@@ -640,6 +649,7 @@ setup(void)
x = info[i].x_org;
y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
mw = info[i].width;
+
XFree(info);
} else
#endif
@@ -657,11 +667,13 @@ setup(void)
/* create menu window */
swa.override_redirect = True;
- swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
+ swa.background_pixel = 0;
+ swa.border_pixel = 0;
+ swa.colormap = cmap;
swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
- win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
- CopyFromParent, CopyFromParent, CopyFromParent,
- CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
+ win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
+ depth, CopyFromParent, visual,
+ CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWColormap | CWEventMask, &swa);
XSetClassHint(dpy, win, &ch);
@@ -747,7 +759,8 @@ main(int argc, char *argv[])
if (!XGetWindowAttributes(dpy, parentwin, &wa))
die("could not get embedding window attributes: 0x%lx",
parentwin);
- drw = drw_create(dpy, screen, root, wa.width, wa.height);
+ xinitvisual();
+ drw = drw_create(dpy, screen, root, wa.width, wa.height, visual, depth, cmap);
if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
die("no fonts could be loaded.");
lrpad = drw->fonts->h;
@@ -769,3 +782,40 @@ main(int argc, char *argv[])
return 1; /* unreachable */
}
+
+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);
+ }
+}
diff --git 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
@@ -194,21 +197,22 @@ 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, const 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 +222,7 @@ 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;
}
@@ -274,9 +278,7 @@ 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
@@ -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*, unsigned int, Colormap);
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, const 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);
