xmacro: declare in header files, instantiate instead of include

This works better with meson, where .h files can be declared as being part of an
executable easily, but I couldn’t find a way to declare
e.g. include/atoms.xmacro as a dependency.

related to #4086

Makefile.am

@@ -378,7 +378,7 @@ i3_nagbar_i3_nagbar_LDADD = \
 	$(XCB_UTIL_CURSOR_LIBS)
 
 i3_nagbar_i3_nagbar_SOURCES = \
-	i3-nagbar/atoms.xmacro \
+	i3-nagbar/i3-nagbar-atoms.xmacro.h \
 	i3-nagbar/main.c
 
 i3bar_i3bar_CPPFLAGS = \
@@ -437,7 +437,7 @@ i3_config_wizard_i3_config_wizard_LDADD = \
 	$(XKBCOMMON_LIBS)
 
 i3_config_wizard_i3_config_wizard_SOURCES = \
-	i3-config-wizard/atoms.xmacro \
+	i3-config-wizard/i3-config-wizard-atoms.xmacro.h \
 	i3-config-wizard/main.c \
 	i3-config-wizard/xcb.h
 
@@ -500,9 +500,8 @@ BUILT_SOURCES = $(command_parser_SOURCES) $(config_parser_SOURCES)
 i3_SOURCES = \
 	include/all.h \
 	include/assignments.h \
-	include/atoms_NET_SUPPORTED.xmacro \
+	include/i3-atoms_NET_SUPPORTED.xmacro.h \
-	include/atoms_rest.xmacro \
+	include/i3-atoms_rest.xmacro.h \
-	include/atoms.xmacro \
 	include/bindings.h \
 	include/click.h \
 	include/cmdparse.h \

docs/hacking-howto

@@ -254,7 +254,7 @@ src/window.c::
 Handlers to update X11 window properties like +WM_CLASS+, +_NET_WM_NAME+,
 +CLIENT_LEADER+, etc.
 
-include/atoms.xmacro::
+include/*.xmacro.*::
 A file containing all X11 atoms which i3 uses. This file will be included
 various times (for defining, requesting and receiving the atoms), each time
 with a different definition of xmacro().

i3-config-wizard/i3-config-wizard-atoms.xmacro.h

@@ -0,0 +1,8 @@
+// clang-format off
+#define CONFIG_WIZARD_ATOMS_XMACRO		\
+xmacro(_NET_WM_NAME) \
+xmacro(_NET_WM_WINDOW_TYPE) \
+xmacro(_NET_WM_WINDOW_TYPE_DIALOG) \
+xmacro(ATOM) \
+xmacro(CARDINAL) \
+xmacro(UTF8_STRING)

i3-config-wizard/main.c

@@ -51,6 +51,8 @@
 #include <X11/Xlib.h>
 #include <X11/keysym.h>
 
+#include "i3-config-wizard-atoms.xmacro.h"
+
 /* We need SYSCONFDIR for the path to the keycode config template, so raise an
  * error if it’s not defined for whatever reason */
 #ifndef SYSCONFDIR
@@ -843,7 +845,7 @@ int main(int argc, char *argv[]) {
 /* Place requests for the atoms we need as soon as possible */
 #define xmacro(atom) \
     xcb_intern_atom_cookie_t atom##_cookie = xcb_intern_atom(conn, 0, strlen(#atom), #atom);
-#include "atoms.xmacro"
+    CONFIG_WIZARD_ATOMS_XMACRO
 #undef xmacro
 
     /* Init startup notification. */
@@ -900,7 +902,7 @@ int main(int argc, char *argv[]) {
         A_##name = reply->atom;                                                            \
         free(reply);                                                                       \
     } while (0);
-#include "atoms.xmacro"
+    CONFIG_WIZARD_ATOMS_XMACRO
 #undef xmacro
 
     /* Set dock mode */

i3-config-wizard/xcb.h

@@ -3,6 +3,8 @@
 /* from X11/keysymdef.h */
 #define XCB_NUM_LOCK 0xff7f
 
+#include "i3-config-wizard-atoms.xmacro.h"
+
 #define xmacro(atom) xcb_atom_t A_##atom;
-#include "atoms.xmacro"
+CONFIG_WIZARD_ATOMS_XMACRO
 #undef xmacro

i3-nagbar/i3-nagbar-atoms.xmacro.h

@@ -0,0 +1,8 @@
+// clang-format off
+#define NAGBAR_ATOMS_XMACRO \
+xmacro(_NET_WM_WINDOW_TYPE) \
+xmacro(_NET_WM_WINDOW_TYPE_DOCK) \
+xmacro(_NET_WM_STRUT_PARTIAL) \
+xmacro(I3_SOCKET_PATH) \
+xmacro(ATOM) \
+xmacro(CARDINAL)

i3-nagbar/main.c

@@ -35,6 +35,8 @@ xcb_visualtype_t *visual_type = NULL;
 #define SN_API_NOT_YET_FROZEN 1
 #include <libsn/sn-launchee.h>
 
+#include "i3-nagbar-atoms.xmacro.h"
+
 #define MSG_PADDING logical_px(8)
 #define BTN_PADDING logical_px(3)
 #define BTN_BORDER logical_px(3)
@@ -43,7 +45,7 @@ xcb_visualtype_t *visual_type = NULL;
 #define BAR_BORDER logical_px(2)
 
 #define xmacro(atom) xcb_atom_t A_##atom;
-#include "atoms.xmacro"
+NAGBAR_ATOMS_XMACRO
 #undef xmacro
 
 #define die(...) errx(EXIT_FAILURE, __VA_ARGS__);
@@ -426,7 +428,7 @@ int main(int argc, char *argv[]) {
 /* Place requests for the atoms we need as soon as possible */
 #define xmacro(atom) \
     xcb_intern_atom_cookie_t atom##_cookie = xcb_intern_atom(conn, 0, strlen(#atom), #atom);
-#include "atoms.xmacro"
+    NAGBAR_ATOMS_XMACRO
 #undef xmacro
 
     /* Init startup notification. */
@@ -508,7 +510,7 @@ int main(int argc, char *argv[]) {
         A_##name = reply->atom;                                                            \
         free(reply);                                                                       \
     } while (0);
-#include "atoms.xmacro"
+    NAGBAR_ATOMS_XMACRO
 #undef xmacro
 
     /* Set dock mode */

include/atoms.xmacro

@@ -1,2 +0,0 @@
-#include "atoms_NET_SUPPORTED.xmacro"
-#include "atoms_rest.xmacro"

include/atoms_NET_SUPPORTED.xmacro

@@ -1,35 +0,0 @@
-xmacro(_NET_SUPPORTED)
-xmacro(_NET_SUPPORTING_WM_CHECK)
-xmacro(_NET_WM_NAME)
-xmacro(_NET_WM_VISIBLE_NAME)
-xmacro(_NET_WM_MOVERESIZE)
-xmacro(_NET_WM_STATE_STICKY)
-xmacro(_NET_WM_STATE_FULLSCREEN)
-xmacro(_NET_WM_STATE_DEMANDS_ATTENTION)
-xmacro(_NET_WM_STATE_MODAL)
-xmacro(_NET_WM_STATE_HIDDEN)
-xmacro(_NET_WM_STATE_FOCUSED)
-xmacro(_NET_WM_STATE)
-xmacro(_NET_WM_WINDOW_TYPE)
-xmacro(_NET_WM_WINDOW_TYPE_NORMAL)
-xmacro(_NET_WM_WINDOW_TYPE_DOCK)
-xmacro(_NET_WM_WINDOW_TYPE_DIALOG)
-xmacro(_NET_WM_WINDOW_TYPE_UTILITY)
-xmacro(_NET_WM_WINDOW_TYPE_TOOLBAR)
-xmacro(_NET_WM_WINDOW_TYPE_SPLASH)
-xmacro(_NET_WM_WINDOW_TYPE_MENU)
-xmacro(_NET_WM_WINDOW_TYPE_DROPDOWN_MENU)
-xmacro(_NET_WM_WINDOW_TYPE_POPUP_MENU)
-xmacro(_NET_WM_WINDOW_TYPE_TOOLTIP)
-xmacro(_NET_WM_WINDOW_TYPE_NOTIFICATION)
-xmacro(_NET_WM_DESKTOP)
-xmacro(_NET_WM_STRUT_PARTIAL)
-xmacro(_NET_CLIENT_LIST)
-xmacro(_NET_CLIENT_LIST_STACKING)
-xmacro(_NET_CURRENT_DESKTOP)
-xmacro(_NET_NUMBER_OF_DESKTOPS)
-xmacro(_NET_DESKTOP_NAMES)
-xmacro(_NET_DESKTOP_VIEWPORT)
-xmacro(_NET_ACTIVE_WINDOW)
-xmacro(_NET_CLOSE_WINDOW)
-xmacro(_NET_MOVERESIZE_WINDOW)

include/atoms_rest.xmacro

@@ -1,20 +0,0 @@
-xmacro(_NET_WM_USER_TIME)
-xmacro(_NET_STARTUP_ID)
-xmacro(_NET_WORKAREA)
-xmacro(WM_PROTOCOLS)
-xmacro(WM_DELETE_WINDOW)
-xmacro(UTF8_STRING)
-xmacro(WM_STATE)
-xmacro(WM_CLIENT_LEADER)
-xmacro(WM_TAKE_FOCUS)
-xmacro(WM_WINDOW_ROLE)
-xmacro(I3_SOCKET_PATH)
-xmacro(I3_CONFIG_PATH)
-xmacro(I3_SYNC)
-xmacro(I3_SHMLOG_PATH)
-xmacro(I3_PID)
-xmacro(I3_FLOATING_WINDOW)
-xmacro(_NET_REQUEST_FRAME_EXTENTS)
-xmacro(_NET_FRAME_EXTENTS)
-xmacro(_MOTIF_WM_HINTS)
-xmacro(WM_CHANGE_STATE)

include/i3-atoms_NET_SUPPORTED.xmacro.h

@@ -0,0 +1,37 @@
+// clang-format off
+#define I3_NET_SUPPORTED_ATOMS_XMACRO \
+xmacro(_NET_SUPPORTED) \
+xmacro(_NET_SUPPORTING_WM_CHECK) \
+xmacro(_NET_WM_NAME) \
+xmacro(_NET_WM_VISIBLE_NAME) \
+xmacro(_NET_WM_MOVERESIZE) \
+xmacro(_NET_WM_STATE_STICKY) \
+xmacro(_NET_WM_STATE_FULLSCREEN) \
+xmacro(_NET_WM_STATE_DEMANDS_ATTENTION) \
+xmacro(_NET_WM_STATE_MODAL) \
+xmacro(_NET_WM_STATE_HIDDEN) \
+xmacro(_NET_WM_STATE_FOCUSED) \
+xmacro(_NET_WM_STATE) \
+xmacro(_NET_WM_WINDOW_TYPE) \
+xmacro(_NET_WM_WINDOW_TYPE_NORMAL) \
+xmacro(_NET_WM_WINDOW_TYPE_DOCK) \
+xmacro(_NET_WM_WINDOW_TYPE_DIALOG) \
+xmacro(_NET_WM_WINDOW_TYPE_UTILITY) \
+xmacro(_NET_WM_WINDOW_TYPE_TOOLBAR) \
+xmacro(_NET_WM_WINDOW_TYPE_SPLASH) \
+xmacro(_NET_WM_WINDOW_TYPE_MENU) \
+xmacro(_NET_WM_WINDOW_TYPE_DROPDOWN_MENU) \
+xmacro(_NET_WM_WINDOW_TYPE_POPUP_MENU) \
+xmacro(_NET_WM_WINDOW_TYPE_TOOLTIP) \
+xmacro(_NET_WM_WINDOW_TYPE_NOTIFICATION) \
+xmacro(_NET_WM_DESKTOP) \
+xmacro(_NET_WM_STRUT_PARTIAL) \
+xmacro(_NET_CLIENT_LIST) \
+xmacro(_NET_CLIENT_LIST_STACKING) \
+xmacro(_NET_CURRENT_DESKTOP) \
+xmacro(_NET_NUMBER_OF_DESKTOPS) \
+xmacro(_NET_DESKTOP_NAMES) \
+xmacro(_NET_DESKTOP_VIEWPORT) \
+xmacro(_NET_ACTIVE_WINDOW) \
+xmacro(_NET_CLOSE_WINDOW) \
+xmacro(_NET_MOVERESIZE_WINDOW)

include/i3-atoms_rest.xmacro.h

@@ -0,0 +1,22 @@
+// clang-format off
+#define I3_REST_ATOMS_XMACRO \
+xmacro(_NET_WM_USER_TIME) \
+xmacro(_NET_STARTUP_ID) \
+xmacro(_NET_WORKAREA) \
+xmacro(WM_PROTOCOLS) \
+xmacro(WM_DELETE_WINDOW) \
+xmacro(UTF8_STRING) \
+xmacro(WM_STATE) \
+xmacro(WM_CLIENT_LEADER) \
+xmacro(WM_TAKE_FOCUS) \
+xmacro(WM_WINDOW_ROLE) \
+xmacro(I3_SOCKET_PATH) \
+xmacro(I3_CONFIG_PATH) \
+xmacro(I3_SYNC) \
+xmacro(I3_SHMLOG_PATH) \
+xmacro(I3_PID) \
+xmacro(I3_FLOATING_WINDOW) \
+xmacro(_NET_REQUEST_FRAME_EXTENTS) \
+xmacro(_NET_FRAME_EXTENTS) \
+xmacro(_MOTIF_WM_HINTS) \
+xmacro(WM_CHANGE_STATE)

include/xcb.h

@@ -49,8 +49,12 @@
                          XCB_EVENT_MASK_FOCUS_CHANGE |                                                \
                          XCB_EVENT_MASK_ENTER_WINDOW)
 
+#include "i3-atoms_rest.xmacro.h"
+#include "i3-atoms_NET_SUPPORTED.xmacro.h"
+
 #define xmacro(atom) extern xcb_atom_t A_##atom;
-#include "atoms.xmacro"
+I3_NET_SUPPORTED_ATOMS_XMACRO
+I3_REST_ATOMS_XMACRO
 #undef xmacro
 
 extern unsigned int xcb_numlock_mask;

src/ewmh.c

@@ -9,6 +9,8 @@
  */
 #include "all.h"
 
+#include "i3-atoms_NET_SUPPORTED.xmacro.h"
+
 xcb_window_t ewmh_window;
 
 #define FOREACH_NONINTERNAL                                                  \
@@ -305,7 +307,7 @@ void ewmh_update_focused(xcb_window_t window, bool is_focused) {
 void ewmh_setup_hints(void) {
     xcb_atom_t supported_atoms[] = {
 #define xmacro(atom) A_##atom,
-#include "atoms_NET_SUPPORTED.xmacro"
+        I3_NET_SUPPORTED_ATOMS_XMACRO
 #undef xmacro
     };
 

src/main.c

@@ -31,6 +31,9 @@
 
 #include "sd-daemon.h"
 
+#include "i3-atoms_NET_SUPPORTED.xmacro.h"
+#include "i3-atoms_rest.xmacro.h"
+
 /* The original value of RLIMIT_CORE when i3 was started. We need to restore
  * this before starting any other process, since we set RLIMIT_CORE to
  * RLIM_INFINITY for i3 debugging versions. */
@@ -98,7 +101,8 @@ bool force_xinerama = false;
 
 /* Define all atoms as global variables */
 #define xmacro(atom) xcb_atom_t A_##atom;
-#include "atoms.xmacro"
+I3_NET_SUPPORTED_ATOMS_XMACRO
+I3_REST_ATOMS_XMACRO
 #undef xmacro
 
 /*
@@ -559,7 +563,8 @@ int main(int argc, char *argv[]) {
     /* Place requests for the atoms we need as soon as possible */
 #define xmacro(atom) \
     xcb_intern_atom_cookie_t atom##_cookie = xcb_intern_atom(conn, 0, strlen(#atom), #atom);
-#include "atoms.xmacro"
+    I3_NET_SUPPORTED_ATOMS_XMACRO
+    I3_REST_ATOMS_XMACRO
 #undef xmacro
 
     root_depth = root_screen->root_depth;
@@ -605,7 +610,8 @@ int main(int argc, char *argv[]) {
         A_##name = reply->atom;                                                            \
         free(reply);                                                                       \
     } while (0);
-#include "atoms.xmacro"
+    I3_NET_SUPPORTED_ATOMS_XMACRO
+    I3_REST_ATOMS_XMACRO
 #undef xmacro
 
     load_configuration(override_configpath, C_LOAD);