From c1507cd225a34ef69045cfc20519b16212dba8dd Mon Sep 17 00:00:00 2001
From: "anselm@garbe.us" <unknown>
Date: Sat, 17 Mar 2012 18:03:25 +0100
Subject: applied Eckehard Bern's dualcolor patch to slock

---
 config.mk |  4 ++--
 slock.c   | 27 ++++++++++++++++++++++-----
 2 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/config.mk b/config.mk
index f438ed4..addb499 100644
--- a/config.mk
+++ b/config.mk
@@ -1,5 +1,5 @@
 # slock version
-VERSION = 1.0
+VERSION = 1.0-tip
 
 # Customize below to fit your system
 
@@ -14,7 +14,7 @@ INCS = -I. -I/usr/include -I${X11INC}
 LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext
 
 # flags
-CPPFLAGS = -DVERSION=\"${VERSION}\" -DHAVE_SHADOW_H
+CPPFLAGS = -DVERSION=\"${VERSION}\" -DHAVE_SHADOW_H -DCOLOR1=\"black\" -DCOLOR2=\"\#005577\"
 CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
 LDFLAGS = -s ${LIBS}
 
diff --git a/slock.c b/slock.c
index 96d4379..12b8d4d 100644
--- a/slock.c
+++ b/slock.c
@@ -26,6 +26,7 @@ typedef struct {
 	int screen;
 	Window root, win;
 	Pixmap pmap;
+	unsigned long colors[2];
 } Lock;
 
 static Lock **locks;
@@ -81,11 +82,11 @@ readpw(Display *dpy, const char *pws)
 {
 	char buf[32], passwd[256];
 	int num, screen;
-	unsigned int len;
+	unsigned int len, llen;
 	KeySym ksym;
 	XEvent ev;
 
-	len = 0;
+	len = llen = 0;
 	running = True;
 
 	/* As "slock" stands for "Simple X display locker", the DPMS settings
@@ -132,6 +133,18 @@ readpw(Display *dpy, const char *pws)
 				}
 				break;
 			}
+			if(llen == 0 && len != 0) {
+				for(screen = 0; screen < nscreens; screen++) {
+					XSetWindowBackground(dpy, locks[screen]->win, locks[screen]->colors[1]);
+					XClearWindow(dpy, locks[screen]->win);
+				}
+			} else if(llen != 0 && len == 0) {
+				for(screen = 0; screen < nscreens; screen++) {
+					XSetWindowBackground(dpy, locks[screen]->win, locks[screen]->colors[0]);
+					XClearWindow(dpy, locks[screen]->win);
+				}
+			}
+			llen = len;
 		}
 		else for(screen = 0; screen < nscreens; screen++)
 			XRaiseWindow(dpy, locks[screen]->win);
@@ -144,6 +157,7 @@ unlockscreen(Display *dpy, Lock *lock) {
 		return;
 
 	XUngrabPointer(dpy, CurrentTime);
+	XFreeColors(dpy, DefaultColormap(dpy, lock->screen), lock->colors, 2, 0);
 	XFreePixmap(dpy, lock->pmap);
 	XDestroyWindow(dpy, lock->win);
 
@@ -155,7 +169,7 @@ lockscreen(Display *dpy, int screen) {
 	char curs[] = {0, 0, 0, 0, 0, 0, 0, 0};
 	unsigned int len;
 	Lock *lock;
-	XColor black, dummy;
+	XColor color, dummy;
 	XSetWindowAttributes wa;
 	Cursor invisible;
 
@@ -176,9 +190,12 @@ lockscreen(Display *dpy, int screen) {
 	lock->win = XCreateWindow(dpy, lock->root, 0, 0, DisplayWidth(dpy, lock->screen), DisplayHeight(dpy, lock->screen),
 			0, DefaultDepth(dpy, lock->screen), CopyFromParent,
 			DefaultVisual(dpy, lock->screen), CWOverrideRedirect | CWBackPixel, &wa);
-	XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen), "black", &black, &dummy);
+	XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen), COLOR2, &color, &dummy);
+	lock->colors[1] = color.pixel;
+	XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen), COLOR1, &color, &dummy);
+	lock->colors[0] = color.pixel;
 	lock->pmap = XCreateBitmapFromData(dpy, lock->win, curs, 8, 8);
-	invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap, &black, &black, 0, 0);
+	invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap, &color, &color, 0, 0);
 	XDefineCursor(dpy, lock->win, invisible);
 	XMapRaised(dpy, lock->win);
 	for(len = 1000; len; len--) {
-- 
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