crony/dmenu
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alpha patch for embedded in transparent st

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This commit is contained in:
Luke Smith 2020-02-08 15:27:02 -05:00
parent b77479ef71
commit d1a3c6cd1f
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GPG Key ID: 4C50B54A911F6252
5 changed files with 83 additions and 20 deletions
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9
config.h
View File

@ -6,6 +6,8 @@ static int topbar = 1; /* -b option; if 0, dmenu appears a
static const char *fonts[] = {
"monospace:size=14"
};
static const unsigned int bgalpha = 0xe0;
static const unsigned int fgalpha = OPAQUE;
static const char *prompt = NULL; /* -p option; prompt to the left of input field */
static const char *colors[SchemeLast][2] = {
/* fg bg */
@ -13,6 +15,13 @@ static const char *colors[SchemeLast][2] = {
[SchemeSel] = { "#eeeeee", "#005577" },
[SchemeOut] = { "#000000", "#00ffff" },
};
static const unsigned int alphas[SchemeLast][2] = {
/* fgalpha bgalphga */
[SchemeNorm] = { fgalpha, bgalpha },
[SchemeSel] = { fgalpha, bgalpha },
[SchemeOut] = { fgalpha, bgalpha },
};
/* -l option; if nonzero, dmenu uses vertical list with given number of lines */
static unsigned int lines = 0;

2
config.mk
View File

@ -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)

58
dmenu.c
View File

@ -25,6 +25,9 @@
#define LENGTH(X) (sizeof X / sizeof X[0])
#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
/* define opaqueness */
#define OPAQUE 0xFFU
/* enums */
enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
@ -51,6 +54,10 @@ static Window root, parentwin, win;
static XIC xic;
static Drw *drw;
static int usergb = 0;
static Visual *visual;
static int depth;
static Colormap cmap;
static Clr *scheme[SchemeLast];
#include "config.h"
@ -58,6 +65,46 @@ static Clr *scheme[SchemeLast];
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
static 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);
usergb = 1;
break;
}
}
XFree(infos);
if (! visual) {
visual = DefaultVisual(dpy, screen);
depth = DefaultDepth(dpy, screen);
cmap = DefaultColormap(dpy, screen);
}
}
static void
appenditem(struct item *item, struct item **list, struct item **last)
{
@ -597,7 +644,7 @@ 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[j], 2);
clip = XInternAtom(dpy, "CLIPBOARD", False);
utf8 = XInternAtom(dpy, "UTF8_STRING", False);
@ -653,10 +700,12 @@ setup(void)
/* create menu window */
swa.override_redirect = True;
swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
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);
depth, InputOutput, visual,
CWOverrideRedirect | CWBackPixel | CWColormap | CWEventMask | CWBorderPixel, &swa);
XSetClassHint(dpy, win, &ch);
/* open input methods */
@ -742,7 +791,8 @@ 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;

25
drw.c
View File

@ -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
@ -193,21 +196,21 @@ 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 & 0x00FFFFFFFU) | 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;
@ -217,7 +220,7 @@ 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;
}
@ -273,9 +276,7 @@ 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;
}

9
drw.h
View File

@ -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, 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);