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st/st-focus-20200731-43a395a.diff

272 lines
7.3 KiB
Diff

From 10fa2b6aebceb3a12219ef25376297b063638bd9 Mon Sep 17 00:00:00 2001
From: Julius Huelsmann <juliusHuelsmann@gmail.com>
Date: Fri, 31 Jul 2020 10:13:35 +0200
Subject: [PATCH] patch: focus
---
config.def.h | 5 ++++
config.mk | 2 +-
st.c | 1 -
st.h | 2 ++
x.c | 72 +++++++++++++++++++++++++++++++++++++++-------------
5 files changed, 62 insertions(+), 20 deletions(-)
diff --git a/config.def.h b/config.def.h
index 0895a1f..577d1f1 100644
--- a/config.def.h
+++ b/config.def.h
@@ -84,6 +84,9 @@ char *termname = "st-256color";
*/
unsigned int tabspaces = 8;
+/* bg opacity */
+float alpha = 0.8, alphaUnfocused = 0.6;
+
/* Terminal colors (16 first used in escape sequence) */
static const char *colorname[] = {
/* 8 normal colors */
@@ -111,6 +114,7 @@ static const char *colorname[] = {
/* more colors can be added after 255 to use with DefaultXX */
"#cccccc",
"#555555",
+ "black",
};
@@ -122,6 +126,7 @@ unsigned int defaultfg = 7;
unsigned int defaultbg = 0;
static unsigned int defaultcs = 256;
static unsigned int defaultrcs = 257;
+unsigned int bg = 17, bgUnfocused = 16;
/*
* Default shape of cursor
diff --git a/config.mk b/config.mk
index beafc35..ddc65ae 100644
--- a/config.mk
+++ b/config.mk
@@ -16,7 +16,7 @@ PKG_CONFIG = pkg-config
INCS = -I$(X11INC) \
`$(PKG_CONFIG) --cflags fontconfig` \
`$(PKG_CONFIG) --cflags freetype2`
-LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \
+LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft -lXrender\
`$(PKG_CONFIG) --libs fontconfig` \
`$(PKG_CONFIG) --libs freetype2`
diff --git a/st.c b/st.c
index 0ce6ac2..c7f40c8 100644
--- a/st.c
+++ b/st.c
@@ -194,7 +194,6 @@ static void tsetscroll(int, int);
static void tswapscreen(void);
static void tsetmode(int, int, int *, int);
static int twrite(const char *, int, int);
-static void tfulldirt(void);
static void tcontrolcode(uchar );
static void tdectest(char );
static void tdefutf8(char);
diff --git a/st.h b/st.h
index d978458..44cb3fd 100644
--- a/st.h
+++ b/st.h
@@ -79,6 +79,7 @@ typedef union {
void die(const char *, ...);
void redraw(void);
+void tfulldirt(void);
void draw(void);
void printscreen(const Arg *);
@@ -122,3 +123,4 @@ extern char *termname;
extern unsigned int tabspaces;
extern unsigned int defaultfg;
extern unsigned int defaultbg;
+extern float alpha, alphaUnfocused;
diff --git a/x.c b/x.c
index e5f1737..a2e820f 100644
--- a/x.c
+++ b/x.c
@@ -105,6 +105,7 @@ typedef struct {
XSetWindowAttributes attrs;
int scr;
int isfixed; /* is fixed geometry? */
+ int depth; /* bit depth */
int l, t; /* left and top offset */
int gm; /* geometry mask */
} XWindow;
@@ -243,6 +244,7 @@ static char *usedfont = NULL;
static double usedfontsize = 0;
static double defaultfontsize = 0;
+static char *opt_alpha = NULL;
static char *opt_class = NULL;
static char **opt_cmd = NULL;
static char *opt_embed = NULL;
@@ -252,6 +254,8 @@ static char *opt_line = NULL;
static char *opt_name = NULL;
static char *opt_title = NULL;
+static int focused = 0;
+
static int oldbutton = 3; /* button event on startup: 3 = release */
void
@@ -734,7 +738,7 @@ xresize(int col, int row)
XFreePixmap(xw.dpy, xw.buf);
xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
- DefaultDepth(xw.dpy, xw.scr));
+ xw.depth);
XftDrawChange(xw.draw, xw.buf);
xclear(0, 0, win.w, win.h);
@@ -772,28 +776,38 @@ xloadcolor(int i, const char *name, Color *ncolor)
return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
}
+void
+xloadalpha(void)
+{
+ float const usedAlpha = focused ? alpha : alphaUnfocused;
+ if (opt_alpha) alpha = strtof(opt_alpha, NULL);
+ dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * usedAlpha);
+ dc.col[defaultbg].pixel &= 0x00FFFFFF;
+ dc.col[defaultbg].pixel |= (unsigned char)(0xff * usedAlpha) << 24;
+}
+
void
xloadcols(void)
{
- int i;
static int loaded;
Color *cp;
- if (loaded) {
- for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
- XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
- } else {
- dc.collen = MAX(LEN(colorname), 256);
- dc.col = xmalloc(dc.collen * sizeof(Color));
+ if (!loaded) {
+ dc.collen = 1 + (defaultbg = MAX(LEN(colorname), 256));
+ dc.col = xmalloc((dc.collen) * sizeof(Color));
}
- for (i = 0; i < dc.collen; i++)
+ for (int i = 0; i+1 < dc.collen; ++i)
if (!xloadcolor(i, NULL, &dc.col[i])) {
if (colorname[i])
die("could not allocate color '%s'\n", colorname[i]);
else
die("could not allocate color %d\n", i);
}
+ if (dc.collen) // cannot die, as the color is already loaded.
+ xloadcolor(focused ?bg :bgUnfocused, NULL, &dc.col[defaultbg]);
+
+ xloadalpha();
loaded = 1;
}
@@ -1103,11 +1117,23 @@ xinit(int cols, int rows)
Window parent;
pid_t thispid = getpid();
XColor xmousefg, xmousebg;
+ XWindowAttributes attr;
+ XVisualInfo vis;
if (!(xw.dpy = XOpenDisplay(NULL)))
die("can't open display\n");
xw.scr = XDefaultScreen(xw.dpy);
- xw.vis = XDefaultVisual(xw.dpy, xw.scr);
+
+ if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
+ parent = XRootWindow(xw.dpy, xw.scr);
+ xw.depth = 32;
+ } else {
+ XGetWindowAttributes(xw.dpy, parent, &attr);
+ xw.depth = attr.depth;
+ }
+
+ XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis);
+ xw.vis = vis.visual;
/* font */
if (!FcInit())
@@ -1117,7 +1143,7 @@ xinit(int cols, int rows)
xloadfonts(usedfont, 0);
/* colors */
- xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
+ xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
xloadcols();
/* adjust fixed window geometry */
@@ -1137,19 +1163,15 @@ xinit(int cols, int rows)
| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
xw.attrs.colormap = xw.cmap;
- if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
- parent = XRootWindow(xw.dpy, xw.scr);
xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
- win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
+ win.w, win.h, 0, xw.depth, InputOutput,
xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
| CWEventMask | CWColormap, &xw.attrs);
memset(&gcvalues, 0, sizeof(gcvalues));
gcvalues.graphics_exposures = False;
- dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
- &gcvalues);
- xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
- DefaultDepth(xw.dpy, xw.scr));
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
+ dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues);
XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
@@ -1730,12 +1752,22 @@ focus(XEvent *ev)
xseturgency(0);
if (IS_SET(MODE_FOCUS))
ttywrite("\033[I", 3, 0);
+ if (!focused) {
+ focused = 1;
+ xloadcols();
+ tfulldirt();
+ }
} else {
if (xw.ime.xic)
XUnsetICFocus(xw.ime.xic);
win.mode &= ~MODE_FOCUSED;
if (IS_SET(MODE_FOCUS))
ttywrite("\033[O", 3, 0);
+ if (focused) {
+ focused = 0;
+ xloadcols();
+ tfulldirt();
+ }
}
}
@@ -1994,6 +2026,9 @@ main(int argc, char *argv[])
case 'a':
allowaltscreen = 0;
break;
+ case 'A':
+ opt_alpha = EARGF(usage());
+ break;
case 'c':
opt_class = EARGF(usage());
break;
@@ -2045,6 +2080,7 @@ run:
XSetLocaleModifiers("");
cols = MAX(cols, 1);
rows = MAX(rows, 1);
+ defaultbg = MAX(LEN(colorname), 256);
tnew(cols, rows);
xinit(cols, rows);
xsetenv();
--
2.28.0