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Adding alpha patch to branch

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jon
2020-01-05 10:47:45 -06:00
parent 919619109c
commit 9d43e8c856
1 changed files with 253 additions and 0 deletions
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patches/dwm-alpha-6.1.diff Normal file
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@@ -0,0 +1,253 @@
diff --git a/config.def.h b/config.def.h
index 7054c06..4448d46 100644
--- a/config.def.h
+++ b/config.def.h
@@ -11,6 +11,8 @@ static const char normfgcolor[] = "#bbbbbb";
static const char selbordercolor[] = "#005577";
static const char selbgcolor[] = "#005577";
static const char selfgcolor[] = "#eeeeee";
+static unsigned int baralpha = 0xd0;
+static unsigned int borderalpha = OPAQUE;
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 */
diff --git a/config.mk b/config.mk
index 4eefb71..de25d2a 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} ${FREETYPELIBS} -lXrender
# flags
CPPFLAGS = -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
diff --git a/drw.c b/drw.c
index f49200b..12e3ebc 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;
@@ -71,8 +71,11 @@ 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);
drw->fontcount = 0;
XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
@@ -86,7 +89,7 @@ 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
@@ -180,16 +183,15 @@ drw_font_free(Fnt *font)
}
Clr *
-drw_clr_create(Drw *drw, const char *clrname)
+drw_clr_create(Drw *drw, const char *clrname, unsigned int alpha)
{
Clr *clr;
clr = ecalloc(1, sizeof(Clr));
- if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
- DefaultColormap(drw->dpy, drw->screen),
+ if (!XftColorAllocName(drw->dpy, drw->visual, drw->cmap,
clrname, &clr->rgb))
die("error, cannot allocate color '%s'\n", clrname);
- clr->pix = clr->rgb.pixel;
+ clr->pix = (clr->rgb.pixel & 0x00ffffffU) | (alpha << 24);
return clr;
}
@@ -245,9 +247,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
XSetForeground(drw->dpy, drw->gc, invert ?
drw->scheme->fg->pix : drw->scheme->bg->pix);
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);
}
curfont = drw->fonts[0];
diff --git a/drw.h b/drw.h
index e3b8515..1fed824 100644
--- a/drw.h
+++ b/drw.h
@@ -30,6 +30,9 @@ typedef struct {
Display *dpy;
int screen;
Window root;
+ Visual *visual;
+ unsigned int depth;
+ Colormap cmap;
Drawable drawable;
GC gc;
ClrScheme *scheme;
@@ -43,7 +46,7 @@ typedef struct {
} Extnts;
/* Drawable abstraction */
-Drw *drw_create(Display *, int, Window, unsigned int, unsigned int);
+Drw *drw_create(Display *, int, Window, unsigned int, unsigned int, Visual*, unsigned int, Colormap);
void drw_resize(Drw *, unsigned int, unsigned int);
void drw_free(Drw *);
@@ -55,7 +58,7 @@ void drw_font_getexts(Fnt *, const char *, unsigned int, Extnts *);
unsigned int drw_font_getexts_width(Fnt *, const char *, unsigned int);
/* Colour abstraction */
-Clr *drw_clr_create(Drw *, const char *);
+Clr *drw_clr_create(Drw *, const char *, unsigned int);
void drw_clr_free(Clr *);
/* Cursor abstraction */
diff --git a/dwm.c b/dwm.c
index 0362114..17fe373 100644
--- a/dwm.c
+++ b/dwm.c
@@ -57,6 +57,8 @@
#define TAGMASK ((1 << LENGTH(tags)) - 1)
#define TEXTW(X) (drw_text(drw, 0, 0, 0, 0, (X), 0) + drw->fonts[0]->h)
+#define OPAQUE 0xffU
+
/* enums */
enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
enum { SchemeNorm, SchemeSel, SchemeLast }; /* color schemes */
@@ -232,6 +234,7 @@ 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 */
@@ -267,6 +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"
@@ -1556,7 +1564,8 @@ 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);
drw_load_fonts(drw, fonts, LENGTH(fonts));
if (!drw->fontcount)
die("no fonts could be loaded.\n");
@@ -1580,12 +1589,12 @@ setup(void)
cursor[CurResize] = drw_cur_create(drw, XC_sizing);
cursor[CurMove] = drw_cur_create(drw, XC_fleur);
/* init appearance */
- scheme[SchemeNorm].border = drw_clr_create(drw, normbordercolor);
- scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor);
- scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor);
- scheme[SchemeSel].border = drw_clr_create(drw, selbordercolor);
- scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor);
- scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor);
+ scheme[SchemeNorm].border = drw_clr_create(drw, normbordercolor, borderalpha);
+ scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor, baralpha);
+ scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor, OPAQUE);
+ scheme[SchemeSel].border = drw_clr_create(drw, selbordercolor, borderalpha);
+ scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor, baralpha);
+ scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor, OPAQUE);
/* init bars */
updatebars();
updatestatus();
@@ -1798,15 +1807,17 @@ 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);
}
@@ -2107,6 +2118,43 @@ 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;