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-rw-r--r--st/x.c47
1 files changed, 31 insertions, 16 deletions
diff --git a/st/x.c b/st/x.c
index 9c98b8d..e5175c6 100644
--- a/st/x.c
+++ b/st/x.c
@@ -244,7 +244,6 @@ 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;
@@ -815,9 +814,6 @@ xloadcols(void)
die("could not allocate color %d\n", i);
}
- /* 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;
@@ -851,6 +847,12 @@ xsetcolorname(int x, const char *name)
XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
dc.col[x] = ncolor;
+ if (x == defaultbg) {
+ dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
+ dc.col[defaultbg].pixel &= 0x00FFFFFF;
+ dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
+ }
+
return 0;
}
@@ -1140,7 +1142,7 @@ xinit(int cols, int rows)
{
XGCValues gcvalues;
Cursor cursor;
- Window parent;
+ Window parent, root;
pid_t thispid = getpid();
XColor xmousefg, xmousebg;
XWindowAttributes attr;
@@ -1150,17 +1152,19 @@ xinit(int cols, int rows)
die("can't open display\n");
xw.scr = XDefaultScreen(xw.dpy);
- if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
- parent = XRootWindow(xw.dpy, xw.scr);
- xw.depth = 32;
+ root = XRootWindow(xw.dpy, xw.scr);
+ if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
+ parent = root;
+
+ if (XMatchVisualInfo(xw.dpy, xw.scr, 32, TrueColor, &vis) != 0) {
+ xw.vis = vis.visual;
+ xw.depth = vis.depth;
} else {
XGetWindowAttributes(xw.dpy, parent, &attr);
+ xw.vis = attr.visual;
xw.depth = attr.depth;
}
- XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis);
- xw.vis = vis.visual;
-
/* font */
if (!FcInit())
die("could not init fontconfig.\n");
@@ -1193,11 +1197,15 @@ xinit(int cols, int rows)
win.w, win.h, 0, xw.depth, InputOutput,
xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
| CWEventMask | CWColormap, &xw.attrs);
+ if (parent != root)
+ XReparentWindow(xw.dpy, xw.win, parent, xw.l, xw.t);
memset(&gcvalues, 0, sizeof(gcvalues));
gcvalues.graphics_exposures = False;
- xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
- dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues);
+ dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures,
+ &gcvalues);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
+ xw.depth);
XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
@@ -1634,6 +1642,9 @@ xseticontitle(char *p)
XTextProperty prop;
DEFAULT(p, opt_title);
+ if (p[0] == '\0')
+ p = opt_title;
+
if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
&prop) != Success)
return;
@@ -1648,6 +1659,9 @@ xsettitle(char *p)
XTextProperty prop;
DEFAULT(p, opt_title);
+ if (p[0] == '\0')
+ p = opt_title;
+
if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
&prop) != Success)
return;
@@ -2034,11 +2048,11 @@ run(void)
void
usage(void)
{
- die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
+ die("usage: %s [-aiv] [-A alpha] [-c class] [-f font] [-g geometry]"
" [-n name] [-o file]\n"
" [-T title] [-t title] [-w windowid]"
" [[-e] command [args ...]]\n"
- " %s [-aiv] [-c class] [-f font] [-g geometry]"
+ " %s [-aiv] [-A alpha] [-c class] [-f font] [-g geometry]"
" [-n name] [-o file]\n"
" [-T title] [-t title] [-w windowid] -l line"
" [stty_args ...]\n", argv0, argv0);
@@ -2056,7 +2070,8 @@ main(int argc, char *argv[])
allowaltscreen = 0;
break;
case 'A':
- opt_alpha = EARGF(usage());
+ alpha = strtof(EARGF(usage()), NULL);
+ LIMIT(alpha, 0.0, 1.0);
break;
case 'c':
opt_class = EARGF(usage());