implement function to toggle mouse on & off

3 files changed, 64 insertions, 6 deletions

diff --git a/config.h b/config.h
index 0c3ec8b..b2682b6 100644
--- a/config.h
+++ b/config.h
@@ -8,16 +8,14 @@
 static const unsigned int borderpx  = 3;        /* border pixel of windows */
 static const unsigned int snap      = 12;       /* snap pixel */
 static const int swallowfloating    = 1;        /* 1 means swallow floating windows by default */
+static const int mouse_default      = 0;        /* 1 means enable mouse by default */
 static const char col_gray1[]       = "#000000";
-static const char col_gray2[]       = "#000000";
-static const char col_gray3[]       = "#bbbbbb";
-static const char col_gray4[]       = "#eeeeee";
+static const char col_gray2[]       = "#bbbbbb";
 static const char col_float[]       = "#770000";
-static const char col_cyan[]        = "#bbbbbb";
 static const char *colors[][4]      = {
 	/*               fg         bg         border     float */
-	[SchemeNorm] = { col_gray3, col_gray1, col_gray2, col_gray2 },
-	[SchemeSel]  = { col_gray1, col_cyan,  col_cyan,  col_float  },
+	[SchemeNorm] = { col_gray2, col_gray1, col_gray1, col_gray1 },
+	[SchemeSel]  = { col_gray1, col_gray2,  col_gray2,  col_float  },
 };
 
 /* tagging */
@@ -74,6 +72,7 @@ static const Layout layouts[] = {
 static const char *termcmd[]  = { TERMINAL, NULL };
 
 #include "quicksearch.c"
+#include "togglemouse.c"
 #include <X11/XF86keysym.h>
 static const Key keys[] = {
 	/* modifier                     key        function        argument */
@@ -132,6 +131,8 @@ static const Key keys[] = {
 
 	{ MODKEY,                       XK_p,      quicksearch,    {.i = 0} }, 
 	{ MODKEY|ShiftMask,             XK_p,      quicksearch,    {.i = 1} }, 
+
+	{ MODKEY,                    XK_BackSpace, togglemouse,    {0} }, 
 };
 
 /* button definitions */
diff --git a/dwm.c b/dwm.c
index c0efdfa..bb5d242 100644
--- a/dwm.c
+++ b/dwm.c
@@ -234,6 +234,7 @@ static int xerror(Display *dpy, XErrorEvent *ee);
 static int xerrordummy(Display *dpy, XErrorEvent *ee);
 static int xerrorstart(Display *dpy, XErrorEvent *ee);
 static void zoom(const Arg *arg);
+static void togglemouse(const Arg *arg);
 
 static pid_t getparentprocess(pid_t p);
 static int isdescprocess(pid_t p, pid_t c);
@@ -1553,6 +1554,12 @@ setup(void)
 	scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
 	for (i = 0; i < LENGTH(colors); i++)
 		scheme[i] = drw_scm_create(drw, colors[i], 4);
+
+    /* init mouse */
+    if (mouse_default == 0) {
+        togglemouse(0);
+    }
+
 	/* supporting window for NetWMCheck */
 	wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0);
 	XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32,
@@ -2210,6 +2217,8 @@ zoom(const Arg *arg)
 	if (c == nexttiled(selmon->clients) && !(c = nexttiled(c->next)))
 		return;
 	pop(c);
+
+    XWarpPointer(dpy, None, selmon->sel->win, 0, 0, 0, 0, selmon->sel->w/2, selmon->sel->h/2);
 }
 
 int
diff --git a/togglemouse.c b/togglemouse.c
new file mode 100644
index 0000000..4642b35
--- /dev/null
+++ b/togglemouse.c
@@ -0,0 +1,48 @@
+static Window fw = 0;
+static int locked = 0;
+
+void
+togglemouse(const Arg *arg)
+    if (locked) {
+        XUngrabPointer(dpy, CurrentTime);
+		XWarpPointer(dpy, None, selmon->sel->win, 0, 0, 0, 0, selmon->sel->w/2, selmon->sel->h/2);
+        if (fw) {
+            XDestroyWindow(dpy, fw);
+            fw = 0;
+        }
+        locked = 0;
+        return;
+    }
+
+    Window root = RootWindow(dpy, screen);
+
+    XSetWindowAttributes attrs;
+    attrs.override_redirect = True;
+    attrs.event_mask = 0;
+
+    fw = XCreateWindow(
+        dpy, root, 0, sh - 1, 1, 1, 0,
+        DefaultDepth(dpy, screen),
+        InputOutput, DefaultVisual(dpy, screen),
+        CWOverrideRedirect | CWEventMask, &attrs
+    );
+
+    XMapRaised(dpy, fw);
+    XSync(dpy, False);
+
+    XWarpPointer(dpy, None, root, 0, 0, 0, 0, 0, sh - 1);
+
+    if (XGrabPointer(dpy, fw, True,
+                     0,
+                     GrabModeAsync,
+                     GrabModeAsync,
+                     fw,
+                     None,
+                     CurrentTime) != GrabSuccess) {
+        XDestroyWindow(dpy, fw);
+        fw = 0;
+        return;
+    }
+
+    locked = 1;
+}