allow pointer action w/o mod key on window borders

borderactions.patch

diff --git a/src/events.c b/src/events.c
index 8c9468a..14cfc3b 100644
--- a/src/events.c
+++ b/src/events.c
@@ -386,11 +386,13 @@ void button_press(xcb_generic_event_t *evt)
 			bool pfm = pointer_follows_monitor;
 			pointer_follows_focus = false;
 			pointer_follows_monitor = false;
-			replay = !grab_pointer(ACTION_FOCUS) || !swallow_first_click;
+			replay = !grab_pointer(ACTION_FOCUS, false) || !swallow_first_click;
 			pointer_follows_focus = pff;
 			pointer_follows_monitor = pfm;
+		} else if (cleaned_mask(e->state) == XCB_NONE) {
+    			replay = !grab_pointer(pointer_actions[i], true);
 		} else {
-			grab_pointer(pointer_actions[i]);
+			grab_pointer(pointer_actions[i], false);
 		}
 	}
 	xcb_allow_events(dpy, replay ? XCB_ALLOW_REPLAY_POINTER : XCB_ALLOW_SYNC_POINTER, e->time);
diff --git a/src/pointer.c b/src/pointer.c
index a0c5026..5a1b94e 100644
--- a/src/pointer.c
+++ b/src/pointer.c
@@ -35,6 +35,7 @@
 #include "events.h"
 #include "window.h"
 #include "pointer.h"
+#include "geometry.h"
 
 uint16_t num_lock;
 uint16_t caps_lock;
@@ -63,6 +64,8 @@ void window_grab_buttons(xcb_window_t win)
 		}
 		if (pointer_actions[i] != ACTION_NONE) {
 			window_grab_button(win, BUTTONS[i], pointer_modifier);
+			//grab for border actions
+			window_grab_button(win, BUTTONS[i], XCB_NONE);
 		}
 	}
 }
@@ -203,7 +206,7 @@ resize_handle_t get_handle(node_t *n, xcb_point_t pos, pointer_action_t pac)
 	return rh;
 }
 
-bool grab_pointer(pointer_action_t pac)
+bool grab_pointer(pointer_action_t pac, bool border_only)
 {
 	xcb_window_t win = XCB_NONE;
 	xcb_point_t pos;
@@ -234,7 +237,22 @@ bool grab_pointer(pointer_action_t pac)
 	}
 
 	if (loc.node->client->state == STATE_FULLSCREEN) {
-		return true;
+		return !border_only;
+	}
+
+	if (border_only) {
+    		bool the_only_window = !loc.monitor->prev && !loc.monitor->next && loc.desktop->root->client;
+    		if ((borderless_monocle && loc.desktop->layout == LAYOUT_MONOCLE && IS_TILED(loc.node->client))
+    		    || (borderless_singleton && the_only_window)) {
+        		    return false;
+    		}
+    		unsigned int bw = loc.node->client->border_width;
+    		xcb_rectangle_t rect = get_rectangle(NULL, NULL, loc.node);
+    		rect.x = rect.x + bw;
+    		rect.y = rect.y + bw;
+    		if (is_inside(pos, rect)) {
+        		return false;
+    		}
 	}
 
 	xcb_grab_pointer_reply_t *reply = xcb_grab_pointer_reply(dpy, xcb_grab_pointer(dpy, 0, root, XCB_EVENT_MASK_BUTTON_RELEASE|XCB_EVENT_MASK_BUTTON_MOTION, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE, XCB_CURRENT_TIME), NULL);
diff --git a/src/pointer.h b/src/pointer.h
index ba88cfd..c8ecf6a 100644
--- a/src/pointer.h
+++ b/src/pointer.h
@@ -43,7 +43,7 @@ void grab_buttons(void);
 void ungrab_buttons(void);
 int16_t modfield_from_keysym(xcb_keysym_t keysym);
 resize_handle_t get_handle(node_t *n, xcb_point_t pos, pointer_action_t pac);
-bool grab_pointer(pointer_action_t pac);
+bool grab_pointer(pointer_action_t pac, bool border_only);
 void track_pointer(coordinates_t loc, pointer_action_t pac, xcb_point_t pos);
 
 #endif