feat(x11): add XDrawer global phone controls drawer, softkey chord detection, and st/T9 scrollback

2026-10-21 09:26:41 +03:00
parent da24f0d9ac
commit 8045929c87
23 changed files with 1265 additions and 55 deletions
@@ -4,6 +4,7 @@
 #define _EVDEVK(_v) (0x10081000 + (_v))
 #endif
 #include <ctype.h>
+#include <fcntl.h>
 #include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -556,11 +557,12 @@ insert:
 		sel = matchend;
 		break;
 	case XK_Escape:
-	case XF86XK_Back:
-	case XF86XK_KbdLcdMenu2:
 	case XF86XK_PowerOff:
 		cleanup();
 		exit(1);
+	case XF86XK_Back:
+	case XF86XK_KbdLcdMenu2:
+		return;
 	case XK_Home:
 		if (sel == matches) {
 			cursor = 0;
@@ -610,6 +612,7 @@ insert:
 		break;
 	case XK_Menu:
 	case XF86XK_KbdLcdMenu1:
+		return;
 	case XF86XK_Phone:
 	case XF86XK_PickupPhone:
 	case XK_Return:
@@ -910,6 +913,8 @@ readstdin(void)
 	lines = MIN(lines, i);
 }

+#include <poll.h>
+
 static int
 issoftkey(unsigned int keycode)
 {
@@ -917,51 +922,181 @@ issoftkey(unsigned int keycode)
 	return keycode == 124 || keycode == 135 || keycode == 166 || keycode == 177;
 }

+static long long
+dmenu_now_ms(void)
+{
+	struct timespec ts;
+	clock_gettime(CLOCK_MONOTONIC, &ts);
+	return (long long)ts.tv_sec * 1000LL + (long long)(ts.tv_nsec / 1000000L);
+}
+
+static void
+write_softkey_suppress(long long until_ms)
+{
+	char buf[32];
+	int fd = open("/tmp/sxmo_softkey_suppress", O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, 0644);
+	if (fd >= 0) {
+		int len = snprintf(buf, sizeof(buf), "%lld\n", until_ms);
+		(void)write(fd, buf, len);
+		close(fd);
+	}
+}
+
+static int
+query_softkeys_down(void)
+{
+	char km[32];
+	int mask = 0;
+	if (!XQueryKeymap(dpy, km))
+		return 0;
+	if (km[135 / 8] & (1 << (135 % 8)))
+		mask |= 1;
+	if (km[166 / 8] & (1 << (166 % 8)))
+		mask |= 2;
+	return mask;
+}
+
+static void
+spawn_xdrawer_and_exit(void)
+{
+	write_softkey_suppress(dmenu_now_ms() + 500);
+	cleanup();
+	if (fork() == 0) {
+		int nullfd = open("/dev/null", O_RDWR);
+		if (nullfd >= 0) {
+			dup2(nullfd, 0);
+			dup2(nullfd, 1);
+			dup2(nullfd, 2);
+			if (nullfd > 2)
+				close(nullfd);
+		}
+		setsid();
+		execlp("xdrawer", "xdrawer", (char *)NULL);
+		execl("/home/user/.local/bin/xdrawer", "xdrawer", (char *)NULL);
+		execl("/usr/bin/xdrawer", "xdrawer", (char *)NULL);
+		_exit(0);
+	}
+	exit(1);
+}
+
 static void
 run(void)
 {
 	XEvent ev;
+	int soft_pending = 0;
+	long long soft_first_ms = 0;
+	long long soft_deadline = 0;
+	long long start_ignore = dmenu_now_ms() + 40;
+	int initial_released = (query_softkeys_down() == 0);
+	int xfd = ConnectionNumber(dpy);

-	while (!XNextEvent(dpy, &ev)) {
-		if (ev.type == KeyPress || ev.type == KeyRelease) {
-			if (!issoftkey(ev.xkey.keycode)) {
-				ev.xkey.window = win;
-				if (XFilterEvent(&ev, None))
+	for (;;) {
+		if (!initial_released && query_softkeys_down() == 0)
+			initial_released = 1;
+		while (XPending(dpy)) {
+			if (XNextEvent(dpy, &ev))
+				return;
+			if (!initial_released && query_softkeys_down() == 0)
+				initial_released = 1;
+			if (ev.type == KeyPress || ev.type == KeyRelease) {
+				KeySym ks = XLookupKeysym(&ev.xkey, 0);
+				int is_left = (ks == XK_Menu || ks == XF86XK_KbdLcdMenu1 || ev.xkey.keycode == 135);
+				int is_right = (ks == XF86XK_Back || ks == XF86XK_KbdLcdMenu2 || ev.xkey.keycode == 166);
+				if (is_left || is_right) {
+					long long now = dmenu_now_ms();
+					if (ev.type == KeyRelease) {
+						initial_released = 1;
+						if (soft_pending != 0 && soft_pending != 3) {
+							long long grace = now + 65;
+							if (grace > soft_deadline)
+								soft_deadline = grace;
+						}
+						continue;
+					}
+					if (!initial_released || now < start_ignore)
+						continue;
+					if (is_left)
+						soft_pending |= 1;
+					if (is_right)
+						soft_pending |= 2;
+					soft_pending |= query_softkeys_down();
+					if (soft_pending == 3)
+						spawn_xdrawer_and_exit();
+					if (soft_deadline == 0) {
+						soft_first_ms = now;
+						soft_deadline = now + 200;
+					}
 					continue;
+				}
+				if (!issoftkey(ev.xkey.keycode)) {
+					ev.xkey.window = win;
+					if (XFilterEvent(&ev, None))
+						continue;
+				}
+			} else if (XFilterEvent(&ev, None)) {
+				continue;
 			}
-		} else if (XFilterEvent(&ev, None)) {
-			continue;
-		}
-		switch(ev.type) {
-		case MotionNotify:
-			motionnotify(&ev);
-			break;
-		case ButtonRelease:
-			buttonpress(&ev);
-			break;
-		case DestroyNotify:
-			if (ev.xdestroywindow.window != win)
+			switch(ev.type) {
+			case MotionNotify:
+				motionnotify(&ev);
 				break;
-			cleanup();
-			exit(1);
-		case Expose:
-			if (ev.xexpose.count == 0)
-				drw_map(drw, win, 0, 0, mw, mh);
-			break;
-		case FocusIn:
-			/* regrab focus from parent window */
-			if (ev.xfocus.window != win)
-				grabfocus();
-			if (xic)
-				XSetICFocus(xic);
-			break;
-		case KeyPress:
-			keypress(&ev.xkey);
-			break;
-		case SelectionNotify:
-			if (ev.xselection.property == utf8)
-				paste();
-			break;
+			case ButtonRelease:
+				buttonpress(&ev);
+				break;
+			case DestroyNotify:
+				if (ev.xdestroywindow.window != win)
+					break;
+				cleanup();
+				exit(1);
+			case Expose:
+				if (ev.xexpose.count == 0)
+					drw_map(drw, win, 0, 0, mw, mh);
+				break;
+			case FocusIn:
+				/* regrab focus from parent window */
+				if (ev.xfocus.window != win)
+					grabfocus();
+				if (xic)
+					XSetICFocus(xic);
+				break;
+			case KeyPress:
+				keypress(&ev.xkey);
+				break;
+			case SelectionNotify:
+				if (ev.xselection.property == utf8)
+					paste();
+				break;
+			}
+		}
+
+		if (soft_pending && soft_deadline > 0) {
+			long long now = dmenu_now_ms();
+			int hw_down = query_softkeys_down();
+			soft_pending |= hw_down;
+			if (soft_pending == 3)
+				spawn_xdrawer_and_exit();
+			long long rem = soft_deadline - now;
+			if (rem <= 0) {
+				if (hw_down != 0 && (now - soft_first_ms) < 480) {
+					soft_deadline = now + 25;
+					rem = 25;
+				} else {
+					write_softkey_suppress(now + 400);
+					if (soft_pending == 1) {
+						puts((sel) ? sel->text : text);
+						cleanup();
+						exit(0);
+					} else {
+						cleanup();
+						exit(1);
+					}
+				}
+			}
+			struct pollfd pfd = { xfd, POLLIN, 0 };
+			poll(&pfd, 1, (int)rem);
+		} else {
+			struct pollfd pfd = { xfd, POLLIN, 0 };
+			poll(&pfd, 1, initial_released ? -1 : 40);
 		}
 	}
 }