[wiki] [sites] Ported dwm-alpha to the latest git revision. || Thomas Oltmann

From: <git_AT_suckless.org>
Date: Wed, 13 Jun 2018 20:17:43 +0200

commit 96914440a757b2a8ce2f943cdb81c40927635068
Author: Thomas Oltmann <thomas.oltmann.hhg_AT_gmail.com>
Date: Wed Jun 13 20:01:23 2018 +0200

    Ported dwm-alpha to the latest git revision.

diff --git a/dwm.suckless.org/patches/alpha/dwm-alpha-20180613-b69c870.diff b/dwm.suckless.org/patches/alpha/dwm-alpha-20180613-b69c870.diff
new file mode 100644
index 00000000..558b2f38
--- /dev/null
+++ b/dwm.suckless.org/patches/alpha/dwm-alpha-20180613-b69c870.diff
_AT_@ -0,0 +1,289 @@
+From f699934b8c8a9c15988ad359bf8fedd6c55abd53 Mon Sep 17 00:00:00 2001
+From: Thomas Oltmann <thomas.oltmann.hhg_AT_gmail.com>
+Date: Wed, 13 Jun 2018 19:46:26 +0200
+Subject: [PATCH] Allow dwm to have translucent bars, while keeping all the
+ text on it opaque, just like the alpha-patch for st. Updated for b69c870.
+
+---
+ config.def.h | 7 ++++++
+ config.mk | 2 +-
+ drw.c | 26 ++++++++++++-----------
+ drw.h | 9 +++++---
+ dwm.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++------
+ 5 files changed, 82 insertions(+), 22 deletions(-)
+
+diff --git a/config.def.h b/config.def.h
+index 1c0b587..4f68fe8 100644
+--- a/config.def.h
++++ b/config.def.h
+_AT_@ -12,11 +12,18 @@ 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" };
+diff --git a/config.mk b/config.mk
+index 25e2685..bef8de0 100644
+--- a/config.mk
++++ b/config.mk
+_AT_@ -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 c638323..77fc113 100644
+--- a/drw.c
++++ b/drw.c
+_AT_@ -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));
+
+_AT_@ -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;
+_AT_@ -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
+_AT_@ -180,21 +183,22 @@ 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;
+_AT_@ -204,7 +208,7 @@ 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;
+ }
+
+_AT_@ -260,9 +264,7 @@ 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 4bcd5ad..a56f523 100644
+--- a/drw.h
++++ b/drw.h
+_AT_@ -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;
+_AT_@ -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);
+
+_AT_@ -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);
+diff --git a/dwm.c b/dwm.c
+index 4465af1..20f8309 100644
+--- a/dwm.c
++++ b/dwm.c
+_AT_@ -57,6 +57,8 @@
+ #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 */
+ enum { SchemeNorm, SchemeSel }; /* color schemes */
+_AT_@ -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 */
+_AT_@ -268,6 +271,11 @@ 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"
+
+_AT_@ -1541,7 +1549,8 @@ 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;
+_AT_@ -1569,7 +1578,7 @@ 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();
+_AT_@ -1804,16 +1813,18 @@ 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);
+_AT_@ -2110,6 +2121,43 @@ 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)
+ {
+--
+2.17.0
+
diff --git a/dwm.suckless.org/patches/alpha/index.md b/dwm.suckless.org/patches/alpha/index.md
index 45fb59aa..d07622bd 100644
--- a/dwm.suckless.org/patches/alpha/index.md
+++ b/dwm.suckless.org/patches/alpha/index.md
_AT_@ -14,7 +14,7 @@ Download
 --------
 
  * [dwm-alpha-6.1.diff](dwm-alpha-6.1.diff)
- * [TODO] git port
+ * [dwm-alpha-20180613-b69c870.diff](dwm-alpha-20180613-b69c870.diff)
 
 
 Authors
_AT_@ -22,3 +22,4 @@ Authors
 
  * Eon S. Jeon - <esjeon_AT_hyunmu.am>
  * Laslo Hunhold - <dev_AT_frign.de> (6.1 port)
+ * Thomas Oltmann - <thomas.oltmann.hhg_AT_gmail.com> (20180613-b69c870 port)
Received on Wed Jun 13 2018 - 20:17:43 CEST