window.c: Drop global handler argument

We can just register a global handler directly on the wl_display now.

clients/dnd.c

@@ -486,8 +486,8 @@ static const struct wl_drag_offer_listener drag_offer_listener = {
 };
 
 static void
-global_handler(struct display *display,
-	       const char *interface, uint32_t id, uint32_t version)
+global_handler(struct wl_display *display, uint32_t id,
+	       const char *interface, uint32_t version, void *data)
 {
 	struct wl_drag_offer *offer;
 	struct dnd_offer *dnd_offer;
@@ -495,8 +495,7 @@ global_handler(struct display *display,
 	if (strcmp(interface, "wl_drag_offer") != 0)
 		return;
 
-	offer = wl_display_bind(display_get_display(display),
-				id, &wl_drag_offer_interface);
+	offer = wl_display_bind(display, id, &wl_drag_offer_interface);
 
 	dnd_offer = malloc(sizeof *dnd_offer);
 	if (dnd_offer == NULL)
@@ -643,6 +642,9 @@ dnd_create(struct display *display)
 	dnd->display = display;
 	dnd->key = 100;
 
+	wl_display_add_global_listener(display_get_display(display),
+				       global_handler, dnd);
+
 	for (i = 0; i < ARRAY_LENGTH(dnd->items); i++) {
 		x = (i % 4) * (item_width + item_padding) + item_padding;
 		y = (i / 4) * (item_height + item_padding) + item_padding;
@@ -680,7 +682,7 @@ main(int argc, char *argv[])
 {
 	struct display *d;
 
-	d = display_create(&argc, &argv, option_entries, global_handler);
+	d = display_create(&argc, &argv, option_entries);
 	if (d == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");
 		return -1;

clients/eventdemo.c

@@ -377,7 +377,7 @@ main(int argc, char *argv[])
 	struct eventdemo *e;
 
 	/* Connect to the display and have the arguments parsed */
-	d = display_create(&argc, &argv, option_entries, NULL);
+	d = display_create(&argc, &argv, option_entries);
 	if (d == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");
 		return -1;

clients/flower.c

@@ -129,7 +129,7 @@ int main(int argc, char *argv[])
 	struct display *d;
 	struct timeval tv;
 
-	d = display_create(&argc, &argv, NULL, NULL);
+	d = display_create(&argc, &argv, NULL);
 	if (d == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");
 		return -1;

clients/gears.c

@@ -377,7 +377,7 @@ int main(int argc, char *argv[])
 {
 	struct display *d;
 
-	d = display_create(&argc, &argv, NULL, NULL);
+	d = display_create(&argc, &argv, NULL);
 	if (d == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");
 		return -1;

clients/image.c

@@ -244,7 +244,7 @@ main(int argc, char *argv[])
 	struct display *d;
 	int i;
 
-	d = display_create(&argc, &argv, option_entries, NULL);
+	d = display_create(&argc, &argv, option_entries);
 	if (d == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");
 		return -1;

clients/resizor.c

@@ -226,7 +226,7 @@ main(int argc, char *argv[])
 {
 	struct display *d;
 
-	d = display_create(&argc, &argv, NULL, NULL);
+	d = display_create(&argc, &argv, NULL);
 	if (d == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");
 		return -1;

clients/smoke.c

@@ -258,7 +258,7 @@ int main(int argc, char *argv[])
 	struct display *d;
 	int size;
 
-	d = display_create(&argc, &argv, NULL, NULL);
+	d = display_create(&argc, &argv, NULL);
 	if (d == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");
 		return -1;

clients/terminal.c

@@ -2382,7 +2382,7 @@ int main(int argc, char *argv[])
 	struct display *d;
 	struct terminal *terminal;
 
-	d = display_create(&argc, &argv, option_entries, NULL);
+	d = display_create(&argc, &argv, option_entries);
 	if (d == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");
 		return -1;

clients/window.c

@@ -79,8 +79,6 @@ struct display {
 	struct xkb_desc *xkb;
 	cairo_surface_t **pointer_surfaces;
 
-	display_global_handler_t global_handler;
-
 	PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
 	PFNEGLCREATEIMAGEKHRPROC create_image;
 	PFNEGLDESTROYIMAGEKHRPROC destroy_image;
@@ -1786,8 +1784,6 @@ display_handle_global(struct wl_display *display, uint32_t id,
 		d->shm = wl_display_bind(display, id, &wl_shm_interface);
 	} else if (strcmp(interface, "wl_selection_offer") == 0) {
 		add_selection_offer(d, id);
-	} else if (d->global_handler) {
-		d->global_handler(d, interface, id, version);
 	}
 }
 
@@ -1899,8 +1895,7 @@ init_egl(struct display *d)
 }
 
 struct display *
-display_create(int *argc, char **argv[], const GOptionEntry *option_entries,
-	       display_global_handler_t handler)
+display_create(int *argc, char **argv[], const GOptionEntry *option_entries)
 {
 	struct display *d;
 	GOptionContext *context;
@@ -1933,8 +1928,6 @@ display_create(int *argc, char **argv[], const GOptionEntry *option_entries,
 
         memset(d, 0, sizeof *d);
 
-	d->global_handler = handler;
-
 	d->display = wl_display_connect(NULL);
 	if (d->display == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");

clients/window.h

@@ -40,14 +40,8 @@ struct rectangle {
 struct display;
 struct input;
 
-typedef void (*display_global_handler_t)(struct display *display,
-					 const char *interface,
-					 uint32_t id,
-					 uint32_t version);
-
 struct display *
-display_create(int *argc, char **argv[], const GOptionEntry *option_entries,
-	       display_global_handler_t handler);
+display_create(int *argc, char **argv[], const GOptionEntry *option_entries);
 
 struct wl_display *
 display_get_display(struct display *display);