add embedding support with -w option
Quentin Rameau
Hiltjo Posthuma
parent
a97f550aa7
commit
a9a5c6cc2d
5
dmenu.1
5
dmenu.1
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@ -20,6 +20,8 @@ dmenu \- dynamic menu
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.IR color ]
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.RB [ \-sf
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.IR color ]
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.RB [ \-w
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.IR windowid ]
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.P
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.BR dmenu_run " ..."
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.SH DESCRIPTION
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@ -75,6 +77,9 @@ defines the selected foreground color.
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.TP
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.B \-v
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prints version information to stdout, then exits.
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.TP
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.BI \-w " windowid"
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embed into windowid.
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.SH USAGE
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dmenu is completely controlled by the keyboard. Items are selected using the
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arrow keys, page up, page down, home, and end.
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65
dmenu.c
65
dmenu.c
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@ -34,8 +34,8 @@ struct item {
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};
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static char text[BUFSIZ] = "";
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static char *embed;
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static int bh, mw, mh;
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static int sw, sh; /* X display screen geometry width, height */
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static int inputw = 0, promptw;
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static int lrpad; /* sum of left and right padding */
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static size_t cursor;
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@ -46,7 +46,7 @@ static int mon = -1, screen;
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static Atom clip, utf8;
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static Display *dpy;
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static Window root, win;
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static Window root, parentwin, win;
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static XIC xic;
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static Drw *drw;
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@ -174,12 +174,31 @@ drawmenu(void)
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drw_map(drw, win, 0, 0, mw, mh);
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}
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static void
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grabfocus(void)
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{
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struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
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Window focuswin;
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int i, revertwin;
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for (i = 0; i < 100; ++i) {
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XGetInputFocus(dpy, &focuswin, &revertwin);
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if (focuswin == win)
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return;
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XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
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nanosleep(&ts, NULL);
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}
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die("cannot grab focus");
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}
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static void
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grabkeyboard(void)
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{
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struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
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int i;
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if (embed)
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return;
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/* try to grab keyboard, we may have to wait for another process to ungrab */
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for (i = 0; i < 1000; i++) {
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if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
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@ -497,6 +516,11 @@ run(void)
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if (ev.xexpose.count == 0)
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drw_map(drw, win, 0, 0, mw, mh);
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break;
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case FocusIn:
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/* regrab focus from parent window */
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if (ev.xfocus.window != win)
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grabfocus();
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break;
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case KeyPress:
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keypress(&ev.xkey);
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break;
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@ -539,7 +563,7 @@ setup(void)
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lines = MAX(lines, 0);
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mh = (lines + 1) * bh;
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#ifdef XINERAMA
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if ((info = XineramaQueryScreens(dpy, &n))) {
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if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
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XGetInputFocus(dpy, &w, &di);
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if (mon >= 0 && mon < n)
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i = mon;
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@ -570,9 +594,12 @@ setup(void)
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} else
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#endif
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{
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if (!XGetWindowAttributes(dpy, parentwin, &wa))
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die("could not get embedding window attributes: 0x%lx",
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parentwin);
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x = 0;
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y = topbar ? 0 : sh - mh;
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mw = sw;
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y = topbar ? 0 : wa.height - mh;
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mw = wa.width;
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}
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promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
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inputw = MIN(inputw, mw/3);
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@ -582,9 +609,8 @@ setup(void)
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swa.override_redirect = True;
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swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
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swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
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win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
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DefaultDepth(dpy, screen), CopyFromParent,
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DefaultVisual(dpy, screen),
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win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
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CopyFromParent, CopyFromParent, CopyFromParent,
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CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
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/* open input methods */
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@ -593,6 +619,15 @@ setup(void)
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XNClientWindow, win, XNFocusWindow, win, NULL);
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XMapRaised(dpy, win);
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if (embed) {
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XSelectInput(dpy, parentwin, FocusChangeMask);
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if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
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for (i = 0; i < du && dws[i] != win; ++i)
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XSelectInput(dpy, dws[i], FocusChangeMask);
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XFree(dws);
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}
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grabfocus();
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}
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drw_resize(drw, mw, mh);
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drawmenu();
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}
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@ -601,13 +636,14 @@ static void
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usage(void)
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{
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fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
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" [-nb color] [-nf color] [-sb color] [-sf color]\n", stderr);
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" [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
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exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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XWindowAttributes wa;
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int i, fast = 0;
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for (i = 1; i < argc; i++)
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@ -641,6 +677,8 @@ main(int argc, char *argv[])
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colors[SchemeSel][ColBg] = argv[++i];
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else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
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colors[SchemeSel][ColFg] = argv[++i];
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else if (!strcmp(argv[i], "-w")) /* embedding window id */
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embed = argv[++i];
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else
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usage();
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@ -650,9 +688,12 @@ main(int argc, char *argv[])
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die("cannot open display");
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screen = DefaultScreen(dpy);
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root = RootWindow(dpy, screen);
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sw = DisplayWidth(dpy, screen);
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sh = DisplayHeight(dpy, screen);
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drw = drw_create(dpy, screen, root, sw, sh);
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if (!embed || !(parentwin = strtol(embed, NULL, 0)))
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parentwin = root;
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if (!XGetWindowAttributes(dpy, parentwin, &wa))
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die("could not get embedding window attributes: 0x%lx",
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parentwin);
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drw = drw_create(dpy, screen, root, wa.width, wa.height);
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if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
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die("no fonts could be loaded.");
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lrpad = drw->fonts->h;
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