DWM shake and find cursor

dwm-shakecursor-6.1.diff

From 4beb792e846212d6eac1b7f7bfe49d91128bbe43 Mon Sep 17 00:00:00 2001
From: Yang Keao <keao.yang@yahoo.com>
Date: Mon, 18 Mar 2019 23:12:01 +0800
Subject: [PATCH 1/2] Map window when shake cursor

---
 dwm.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/dwm.c b/dwm.c
index 0362114..bc7cab6 100644
--- a/dwm.c
+++ b/dwm.c
@@ -234,6 +234,9 @@ static int xerrordummy(Display *dpy, XErrorEvent *ee);
 static int xerrorstart(Display *dpy, XErrorEvent *ee);
 static void zoom(const Arg *arg);
 
+static int previous_motion_x = 0;
+static int previous_motion_y = 0;
+
 /* variables */
 static const char broken[] = "broken";
 static char stext[256];
@@ -266,6 +269,8 @@ static Display *dpy;
 static Drw *drw;
 static Monitor *mons, *selmon;
 static Window root;
+static XSetWindowAttributes cur_attr;
+static Window cur_w;
 
 /* configuration, allows nested code to access above variables */
 #include "config.h"
@@ -1070,7 +1075,7 @@ manage(Window w, XWindowAttributes *wa)
        updatewindowtype(c);
        updatesizehints(c);
        updatewmhints(c);
-       XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
+       XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask|PointerMotionMask);
        grabbuttons(c, 0);
        if (!c->isfloating)
                c->isfloating = c->oldstate = trans != None || c->isfixed;
@@ -1135,7 +1140,20 @@ motionnotify(XEvent *e)
        static Monitor *mon = NULL;
        Monitor *m;
        XMotionEvent *ev = &e->xmotion;
+
+       if (ev->x_root - previous_motion_x + ev->y_root - previous_motion_y > 30) {
+               printf("Motion %d %d w: %d\n", ev->x_root, ev->y_root, cur_w);
+               XSetWindowAttributes wa;
+
+               XMoveWindow(dpy, cur_w, ev->x_root - cur_w_size / 2, ev->y_root - cur_w_size / 2);
+               XMapWindow(dpy, cur_w);
+       } else {
+               XSetWindowAttributes wa;
 
+               XUnmapWindow(dpy, cur_w);
+       }
+       previous_motion_x = ev->x_root;
+       previous_motion_y = ev->y_root;
        if (ev->window != root)
                return;
        if ((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) {
@@ -1601,6 +1619,12 @@ setup(void)
        XSelectInput(dpy, root, wa.event_mask);
        grabkeys();
        focus(NULL);
+
+       cur_attr.background_pixel = XWhitePixel(dpy, screen);
+       cur_w = XCreateWindow(dpy, root,
+                            0, 0, cur_w_size, cur_w_size, 5, DefaultDepth(dpy, screen), InputOutput,
+                            DefaultVisual(dpy, screen) ,CWBackPixel, &cur_attr);
+       XSelectInput(dpy, cur_w, ExposureMask | KeyPressMask);
 }
 
 void
-- 
2.19.2


From 4b31029cb4fc840b11c6fd4d6e87d31da73dd8f1 Mon Sep 17 00:00:00 2001
From: Yang Keao <keao.yang@yahoo.com>
Date: Mon, 18 Mar 2019 23:12:49 +0800
Subject: [PATCH 2/2] remove log

---
 dwm.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/dwm.c b/dwm.c
index bc7cab6..7b50338 100644
--- a/dwm.c
+++ b/dwm.c
@@ -1142,7 +1142,6 @@ motionnotify(XEvent *e)
        XMotionEvent *ev = &e->xmotion;
 
        if (ev->x_root - previous_motion_x + ev->y_root - previous_motion_y > 30) {
-               printf("Motion %d %d w: %d\n", ev->x_root, ev->y_root, cur_w);
                XSetWindowAttributes wa;
 
                XMoveWindow(dpy, cur_w, ev->x_root - cur_w_size / 2, ev->y_root - cur_w_size / 2);
-- 
2.19.2