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added alpha patch

This commit is contained in:
celso 2023-07-17 19:45:35 -03:00
parent ef72de58ff
commit e4352f7c73
5 changed files with 81 additions and 22 deletions
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7
config.def.h
View File

@ -13,11 +13,18 @@ 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 unsigned int baralpha = 0xd0;
static const unsigned int borderalpha = OPAQUE;
static const char *colors[][3] = {
/* fg bg border */
[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
[SchemeSel] = { col_gray4, col_cyan, col_cyan },
};
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" };

2
config.mk
View File

@ -23,7 +23,7 @@ FREETYPEINC = /usr/include/freetype2
# includes and libs
INCS = -I${X11INC} -I${FREETYPEINC}
LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lXrender
# flags
CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}

26
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
@ -181,21 +184,22 @@ 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;
@ -205,7 +209,7 @@ 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;
}
@ -263,9 +267,7 @@ 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);
@ -39,8 +42,8 @@ unsigned int drw_fontset_getwidth_clamp(Drw *drw, const char *text, unsigned int
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);

59
dwm.c
View File

@ -56,6 +56,7 @@
#define HEIGHT(X) ((X)->h + 2 * (X)->bw)
#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 */
@ -238,6 +239,7 @@ 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 */
@ -272,6 +274,11 @@ 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"
@ -1681,7 +1688,8 @@ 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;
@ -1709,7 +1717,7 @@ 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();
@ -1974,16 +1982,18 @@ 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);
@ -2293,6 +2303,43 @@ 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)
{