dbus: add stubs for when dbus support is disabled

So we can reduce the number of ifdefs used.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>

src/common.h

@@ -501,17 +501,6 @@ static inline bool wid_has_prop(xcb_connection_t *c, xcb_window_t w, xcb_atom_t
 
 void force_repaint(session_t *ps);
 
-/** @name DBus handling
- */
-///@{
-#ifdef CONFIG_DBUS
-/** @name DBus hooks
- */
-///@{
-void opts_set_no_fading_openclose(session_t *ps, bool newval);
-//!@}
-#endif
-
 /**
  * Set a <code>bool</code> array of all wintypes to true.
  */

src/dbus.c

@@ -1322,7 +1322,7 @@ static bool cdbus_process_opts_set(session_t *ps, DBusMessage *msg) {
 		if (!cdbus_msg_get_arg(msg, 1, DBUS_TYPE_BOOLEAN, &val)) {
 			return false;
 		}
-		opts_set_no_fading_openclose(ps, val);
+		ps->o.no_fading_openclose = val;
 		goto cdbus_process_opts_set_success;
 	}
 

src/dbus.h

@@ -11,11 +11,11 @@
 
 #include <stdbool.h>
 
-#include <dbus/dbus.h>
-
 typedef struct session session_t;
 struct win;
 
+#ifdef CONFIG_DBUS
+#include <dbus/dbus.h>
 /**
  * Return a string representation of a D-Bus message type.
  */
@@ -51,4 +51,29 @@ void cdbus_ev_win_focusout(session_t *ps, struct win *w);
 /// Generate dbus win_focusin signal
 void cdbus_ev_win_focusin(session_t *ps, struct win *w);
 
+#else
+
+static inline void
+cdbus_ev_win_unmapped(session_t *ps attr_unused, struct win *w attr_unused) {
+}
+
+static inline void cdbus_ev_win_mapped(session_t *ps attr_unused, struct win *w attr_unused) {
+}
+
+static inline void
+cdbus_ev_win_destroyed(session_t *ps attr_unused, struct win *w attr_unused) {
+}
+
+static inline void cdbus_ev_win_added(session_t *ps attr_unused, struct win *w attr_unused) {
+}
+
+static inline void
+cdbus_ev_win_focusout(session_t *ps attr_unused, struct win *w attr_unused) {
+}
+
+static inline void cdbus_ev_win_focusin(session_t *ps attr_unused, struct win *w attr_unused) {
+}
+
+#endif
+
 // vim: set noet sw=8 ts=8 :

src/picom.c

@@ -53,27 +53,25 @@
 #ifdef CONFIG_OPENGL
 #include "opengl.h"
 #endif
+#include "atom.h"
 #include "backend/backend.h"
 #include "c2.h"
-#include "diagnostic.h"
-#include "log.h"
-#include "region.h"
-#include "render.h"
-#include "types.h"
-#include "utils.h"
-#include "win.h"
-#include "x.h"
-#ifdef CONFIG_DBUS
 #include "dbus.h"
-#endif
-#include "atom.h"
+#include "diagnostic.h"
 #include "event.h"
 #include "file_watch.h"
 #include "list.h"
+#include "log.h"
 #include "options.h"
+#include "region.h"
+#include "render.h"
 #include "statistics.h"
+#include "types.h"
 #include "uthash_extra.h"
+#include "utils.h"
 #include "vblank.h"
+#include "win.h"
+#include "x.h"
 
 /// Get session_t pointer from a pointer to a member of session_t
 #define session_ptr(ptr, member)                                                         \
@@ -1232,23 +1230,6 @@ void force_repaint(session_t *ps) {
 	add_damage(ps, &ps->screen_reg);
 }
 
-#ifdef CONFIG_DBUS
-/** @name DBus hooks
- */
-///@{
-
-/**
- * Set no_fading_openclose option.
- *
- * Don't affect fading already in progress
- */
-void opts_set_no_fading_openclose(session_t *ps, bool newval) {
-	ps->o.no_fading_openclose = newval;
-}
-
-//!@}
-#endif
-
 /**
  * Setup window properties, then register us with the compositor selection (_NET_WM_CM_S)
  *
@@ -1692,12 +1673,10 @@ static void handle_new_windows(session_t *ps) {
 				// us to find out. So just blindly mark it damaged
 				mw->ever_damaged = true;
 			}
-#ifdef CONFIG_DBUS
 			// Send D-Bus signal
 			if (ps->o.dbus) {
 				cdbus_ev_win_added(ps, new_w);
 			}
-#endif
 		}
 	}
 }

src/win.c

@@ -21,6 +21,7 @@
 #include "common.h"
 #include "compiler.h"
 #include "config.h"
+#include "dbus.h"
 #include "list.h"
 #include "log.h"
 #include "picom.h"
@@ -34,10 +35,6 @@
 #include "win_defs.h"
 #include "x.h"
 
-#ifdef CONFIG_DBUS
-#include "dbus.h"
-#endif
-
 #ifdef CONFIG_OPENGL
 // TODO(yshui) Get rid of this include
 #include "opengl.h"
@@ -1957,7 +1954,6 @@ static void win_on_focus_change(session_t *ps, struct managed_win *w) {
 	// Update everything related to conditions
 	win_on_factor_change(ps, w);
 
-#ifdef CONFIG_DBUS
 	// Send D-Bus signal
 	if (ps->o.dbus) {
 		if (win_is_focused_raw(w)) {
@@ -1966,7 +1962,6 @@ static void win_on_focus_change(session_t *ps, struct managed_win *w) {
 			cdbus_ev_win_focusout(ps, &w->base);
 		}
 	}
-#endif
 }
 
 /**
@@ -2392,12 +2387,10 @@ void destroy_win_start(session_t *ps, struct win *w) {
 	}
 
 	// don't need win_ev_stop because the window is gone anyway
-#ifdef CONFIG_DBUS
 	// Send D-Bus signal
 	if (ps->o.dbus) {
 		cdbus_ev_win_destroyed(ps, w);
 	}
-#endif
 
 	if (!ps->redirected && w->managed) {
 		// Skip transition if we are not rendering
@@ -2429,12 +2422,10 @@ void unmap_win_start(session_t *ps, struct managed_win *w) {
 	w->state = WSTATE_UNMAPPED;
 	win_start_fade(ps, w, 0);
 
-#ifdef CONFIG_DBUS
 	// Send D-Bus signal
 	if (ps->o.dbus) {
 		cdbus_ev_win_unmapped(ps, &w->base);
 	}
-#endif
 
 	if (!ps->redirected || !w->ever_damaged) {
 		// If we are not redirected, we skip fading because we aren't
@@ -2517,12 +2508,10 @@ void map_win_start(session_t *ps, struct managed_win *w) {
 	log_debug("Window %#010x has opacity %f, opacity target is %f", w->base.id,
 	          animatable_get(&w->opacity), w->opacity.target);
 
-#ifdef CONFIG_DBUS
 	// Send D-Bus signal
 	if (ps->o.dbus) {
 		cdbus_ev_win_mapped(ps, &w->base);
 	}
-#endif
 
 	if (!ps->redirected) {
 		win_skip_fading(w);