Added _NET_WM_MOVERESIZE handling for the move case

src/bspwm.c

@@ -371,6 +371,7 @@ void setup(void)
 	                          ewmh->_NET_CLOSE_WINDOW,
 	                          ewmh->_NET_WM_STRUT_PARTIAL,
 	                          ewmh->_NET_WM_DESKTOP,
+	                          ewmh->_NET_WM_MOVERESIZE,
 	                          ewmh->_NET_WM_STATE,
 	                          ewmh->_NET_WM_STATE_HIDDEN,
 	                          ewmh->_NET_WM_STATE_FULLSCREEN,

src/events.c

@@ -335,11 +335,59 @@ void client_message(xcb_generic_event_t *evt)
 		if (ewmh_locate_desktop(e->data.data32[0], &dloc)) {
 			transfer_node(loc.monitor, loc.desktop, loc.node, dloc.monitor, dloc.desktop, dloc.desktop->focus, false);
 		}
+	} else if (e->type == ewmh->_NET_WM_MOVERESIZE) {
+		if (allow_net_wm_moveresize) {
+			wm_move_resize_node(e, loc);
+		}
 	} else if (e->type == ewmh->_NET_CLOSE_WINDOW) {
 		close_node(loc.node);
 	}
 }
 
+void wm_move_resize_node(xcb_client_message_event_t* e, coordinates_t loc) {
+	uint32_t direction = e->data.data32[2];
+
+	switch (direction) {
+		case XCB_EWMH_WM_MOVERESIZE_MOVE:
+			wm_move_node(e, loc);
+			break;
+		case XCB_EWMH_WM_MOVERESIZE_SIZE_TOPLEFT ... XCB_EWMH_WM_MOVERESIZE_SIZE_LEFT:
+			wm_resize_node(e, loc);
+			break;
+		default:
+			break;
+  }
+}
+
+void wm_move_node(xcb_client_message_event_t* e, coordinates_t loc) {
+	// This logic comes from pointer.c function grab_pointer,
+	// we have that logic for the pac == ACTION_MOVE branches taken.
+
+	xcb_window_t win = e->window;
+	xcb_point_t pos;
+
+	query_pointer(&win, &pos);
+
+	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);
+
+	if (reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) {
+		free(reply);
+		return;
+	}
+	free(reply);
+
+	put_status(SBSC_MASK_POINTER_ACTION, "pointer_action 0x%08X 0x%08X 0x%08X move begin\n", loc.monitor->id, loc.desktop->id, loc.node->id);
+
+	track_pointer(loc, ACTION_MOVE, pos);
+
+}
+
+void wm_resize_node(xcb_client_message_event_t* e, coordinates_t loc) {
+	// TODO resize window keeping the opposite 1 or 2 edges fixed
+	// Not sure if this is even possible as most tiling windows do not
+	// draw decorations with which the user could grab window edges.
+}
+
 void focus_in(xcb_generic_event_t *evt)
 {
 	xcb_focus_in_event_t *e = (xcb_focus_in_event_t *) evt;

src/events.h

@@ -27,6 +27,7 @@
 
 #include <xcb/xcb.h>
 #include <xcb/xcb_event.h>
+#include <xcb/xcb_ewmh.h>
 
 #define ERROR_CODE_BAD_WINDOW  3
 
@@ -41,6 +42,9 @@ void destroy_notify(xcb_generic_event_t *evt);
 void unmap_notify(xcb_generic_event_t *evt);
 void property_notify(xcb_generic_event_t *evt);
 void client_message(xcb_generic_event_t *evt);
+void wm_move_resize_node(xcb_client_message_event_t* e, coordinates_t loc);
+void wm_move_node(xcb_client_message_event_t* e, coordinates_t loc);
+void wm_resize_node(xcb_client_message_event_t* e, coordinates_t loc);
 void focus_in(xcb_generic_event_t *evt);
 void button_press(xcb_generic_event_t *evt);
 void enter_notify(xcb_generic_event_t *evt);

src/messages.c

@@ -1711,6 +1711,7 @@ void set_setting(coordinates_t loc, char *name, char *value, FILE *rsp)
 		SET_BOOL(center_pseudo_tiled)
 		SET_BOOL(honor_size_hints)
 		SET_BOOL(removal_adjustment)
+		SET_BOOL(allow_net_wm_moveresize)
 #undef SET_BOOL
 #define SET_MON_BOOL(s) \
 	} else if (streq(#s, name)) { \
@@ -1844,6 +1845,7 @@ void get_setting(coordinates_t loc, char *name, FILE* rsp)
 	GET_BOOL(remove_disabled_monitors)
 	GET_BOOL(remove_unplugged_monitors)
 	GET_BOOL(merge_overlapping_monitors)
+	GET_BOOL(allow_net_wm_moveresize)
 #undef GET_BOOL
 	} else {
 		fail(rsp, "config: Unknown setting: '%s'.\n", name);

src/settings.c

@@ -72,6 +72,8 @@ bool remove_disabled_monitors;
 bool remove_unplugged_monitors;
 bool merge_overlapping_monitors;
 
+bool allow_net_wm_moveresize;
+
 void run_config(int run_level)
 {
 	if (fork() == 0) {
@@ -133,4 +135,6 @@ void load_settings(void)
 	remove_disabled_monitors = REMOVE_DISABLED_MONITORS;
 	remove_unplugged_monitors = REMOVE_UNPLUGGED_MONITORS;
 	merge_overlapping_monitors = MERGE_OVERLAPPING_MONITORS;
+
+	allow_net_wm_moveresize = ALLOW_NET_WM_MOVERESIZE;
 }

src/settings.h

@@ -67,6 +67,8 @@
 #define REMOVE_UNPLUGGED_MONITORS   false
 #define MERGE_OVERLAPPING_MONITORS  false
 
+#define ALLOW_NET_WM_MOVERESIZE true
+
 extern char external_rules_command[MAXLEN];
 extern char status_prefix[MAXLEN];
 
@@ -111,6 +113,8 @@ extern bool remove_disabled_monitors;
 extern bool remove_unplugged_monitors;
 extern bool merge_overlapping_monitors;
 
+extern bool allow_net_wm_moveresize;
+
 void run_config(int run_level);
 void load_settings(void);