Merge pull request #46 from SeungheonOh/master

Patch: init windows

patches/sowm-init.patch

@@ -0,0 +1,40 @@
+diff --git a/sowm.c b/sowm.c
+index 6b9f794..a5bad10 100644
+--- a/sowm.c
++++ b/sowm.c
+@@ -28,6 +28,7 @@ typedef struct client {
+     Window w;
+ } client;
+ 
++static void init();
+ static void button_press(XEvent *e);
+ static void button_release();
+ static void configure_request(XEvent *e);
+@@ -76,6 +77,18 @@ static void (*events[LASTEvent])(XEvent *e) = {
+     XGetGeometry(d, W, &(Window){0}, gx, gy, gw, gh, \
+                  &(unsigned int){0}, &(unsigned int){0})
+ 
++void init() {
++    Window *child;
++    unsigned int nchild;
++    XQueryTree(d, RootWindow(d, DefaultScreen(d)), &(Window){0},
++        &(Window){0}, &child, &nchild);
++    for(unsigned int i = 0; i < nchild; i++) {
++        XSelectInput(d, child[i], StructureNotifyMask|EnterWindowMask);
++        XMapWindow(d, child[i]);
++        win_add(child[i]);
++    }
++}
++
+ void win_focus(client *c) {
+     cur = c;
+     XSetInputFocus(d, cur->w, RevertToParent, CurrentTime);
+@@ -290,6 +303,8 @@ int main(void) {
+     XSelectInput(d,  root, SubstructureRedirectMask);
+     XDefineCursor(d, root, XCreateFontCursor(d, 68));
+ 
++    init();
++
+     for (unsigned int i=0; i < sizeof(keys)/sizeof(*keys); ++i)
+         XGrabKey(d, XKeysymToKeycode(d, keys[i].keysym), keys[i].mod,
+                  root, True, GrabModeAsync, GrabModeAsync);