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common-configs/st-0.8.4/patcher/st-focus-20200731-patch_alp...

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From 3307b33b60adb4e1b5db4dd9849c78fce72b6ca4 Mon Sep 17 00:00:00 2001
From: Julius Huelsmann <juliusHuelsmann@gmail.com>
Date: Fri, 31 Jul 2020 10:13:30 +0200
Subject: [PATCH] patch: focus
---
config.def.h | 5 +++--
st.c | 1 -
st.h | 3 ++-
x.c | 44 ++++++++++++++++++++++++++++++--------------
4 files changed, 35 insertions(+), 18 deletions(-)
diff --git a/config.def.h b/config.def.h
index b94b23c..577d1f1 100644
--- a/config.def.h
+++ b/config.def.h
@@ -85,7 +85,7 @@ char *termname = "st-256color";
unsigned int tabspaces = 8;
/* bg opacity */
-float alpha = 0.8;
+float alpha = 0.8, alphaUnfocused = 0.6;
/* Terminal colors (16 first used in escape sequence) */
static const char *colorname[] = {
@@ -123,9 +123,10 @@ static const char *colorname[] = {
* foreground, background, cursor, reverse cursor
*/
unsigned int defaultfg = 7;
-unsigned int defaultbg = 258;
+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/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 2c656af..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 *);
@@ -122,4 +123,4 @@ extern char *termname;
extern unsigned int tabspaces;
extern unsigned int defaultfg;
extern unsigned int defaultbg;
-extern float alpha;
+extern float alpha, alphaUnfocused;
diff --git a/x.c b/x.c
index 50da23c..a2e820f 100644
--- a/x.c
+++ b/x.c
@@ -254,6 +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
@@ -774,35 +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]);
- /* set alpha value of bg color */
- if (opt_alpha)
- alpha = strtof(opt_alpha, NULL);
- dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
- dc.col[defaultbg].pixel &= 0x00FFFFFF;
- dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
+ xloadalpha();
loaded = 1;
}
@@ -1747,12 +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();
+ }
}
}
@@ -2065,6 +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