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authorKirill Primak <vyivel@eclair.cafe>2023-11-23 16:10:39 +0300
committerIsaac Freund <mail@isaacfreund.com>2024-02-06 13:48:00 +0000
commit811ca199c444525dc4d846d38f76554f1a9b48b0 (patch)
treee112771de2f19c88d19bd42947908159863b3c08
parentd368028bd5557810af954ef96bf0f4addd97f551 (diff)
xdg-shell: drop automatic surface configuration
Compositors now are expected to wait for an initial commit by checking wlr_xdg_surface.initial_commit on every surface commit and send (schedule) configure events manually.
-rw-r--r--include/types/wlr_xdg_shell.h2
-rw-r--r--include/wlr/types/wlr_xdg_shell.h1
-rw-r--r--tinywl/tinywl.c56
-rw-r--r--types/xdg_shell/wlr_xdg_popup.c11
-rw-r--r--types/xdg_shell/wlr_xdg_surface.c8
-rw-r--r--types/xdg_shell/wlr_xdg_toplevel.c28
6 files changed, 69 insertions, 37 deletions
diff --git a/include/types/wlr_xdg_shell.h b/include/types/wlr_xdg_shell.h
index f3f12ec9..1b4c89c2 100644
--- a/include/types/wlr_xdg_shell.h
+++ b/include/types/wlr_xdg_shell.h
@@ -21,7 +21,6 @@ void create_xdg_popup(struct wlr_xdg_surface *surface,
void reset_xdg_popup(struct wlr_xdg_popup *popup);
void destroy_xdg_popup(struct wlr_xdg_popup *popup);
void handle_xdg_popup_client_commit(struct wlr_xdg_popup *popup);
-void handle_xdg_popup_committed(struct wlr_xdg_popup *popup);
struct wlr_xdg_popup_configure *send_xdg_popup_configure(
struct wlr_xdg_popup *popup);
void handle_xdg_popup_ack_configure(struct wlr_xdg_popup *popup,
@@ -32,7 +31,6 @@ void create_xdg_toplevel(struct wlr_xdg_surface *surface,
void reset_xdg_toplevel(struct wlr_xdg_toplevel *toplevel);
void destroy_xdg_toplevel(struct wlr_xdg_toplevel *toplevel);
void handle_xdg_toplevel_client_commit(struct wlr_xdg_toplevel *toplevel);
-void handle_xdg_toplevel_committed(struct wlr_xdg_toplevel *toplevel);
struct wlr_xdg_toplevel_configure *send_xdg_toplevel_configure(
struct wlr_xdg_toplevel *toplevel);
void handle_xdg_toplevel_ack_configure(struct wlr_xdg_toplevel *toplevel,
diff --git a/include/wlr/types/wlr_xdg_shell.h b/include/wlr/types/wlr_xdg_shell.h
index 5c490455..e5b75c57 100644
--- a/include/wlr/types/wlr_xdg_shell.h
+++ b/include/wlr/types/wlr_xdg_shell.h
@@ -95,7 +95,6 @@ struct wlr_xdg_popup {
struct wl_list link;
struct wl_resource *resource;
- bool sent_initial_configure;
struct wlr_surface *parent;
struct wlr_seat *seat;
diff --git a/tinywl/tinywl.c b/tinywl/tinywl.c
index bd21dd91..0342ec54 100644
--- a/tinywl/tinywl.c
+++ b/tinywl/tinywl.c
@@ -86,6 +86,7 @@ struct tinywl_toplevel {
struct wlr_scene_tree *scene_tree;
struct wl_listener map;
struct wl_listener unmap;
+ struct wl_listener commit;
struct wl_listener destroy;
struct wl_listener request_move;
struct wl_listener request_resize;
@@ -93,6 +94,12 @@ struct tinywl_toplevel {
struct wl_listener request_fullscreen;
};
+struct tinywl_popup {
+ struct wlr_xdg_popup *xdg_popup;
+ struct wl_listener commit;
+ struct wl_listener destroy;
+};
+
struct tinywl_keyboard {
struct wl_list link;
struct tinywl_server *server;
@@ -672,12 +679,26 @@ static void xdg_toplevel_unmap(struct wl_listener *listener, void *data) {
wl_list_remove(&toplevel->link);
}
+static void xdg_toplevel_commit(struct wl_listener *listener, void *data) {
+ /* Called when a new surface state is committed. */
+ struct tinywl_toplevel *toplevel = wl_container_of(listener, toplevel, commit);
+
+ if (toplevel->xdg_toplevel->base->initial_commit) {
+ /* When an xdg_surface performs an initial commit, the compositor must
+ * reply with a configure so the client can map the surface. tinywl
+ * configures the xdg_toplevel with 0,0 size to let the client pick the
+ * dimensions itself. */
+ wlr_xdg_toplevel_set_size(toplevel->xdg_toplevel, 0, 0);
+ }
+}
+
static void xdg_toplevel_destroy(struct wl_listener *listener, void *data) {
/* Called when the xdg_toplevel is destroyed. */
struct tinywl_toplevel *toplevel = wl_container_of(listener, toplevel, destroy);
wl_list_remove(&toplevel->map.link);
wl_list_remove(&toplevel->unmap.link);
+ wl_list_remove(&toplevel->commit.link);
wl_list_remove(&toplevel->destroy.link);
wl_list_remove(&toplevel->request_move.link);
wl_list_remove(&toplevel->request_resize.link);
@@ -793,6 +814,8 @@ static void server_new_xdg_toplevel(struct wl_listener *listener, void *data) {
wl_signal_add(&xdg_toplevel->base->surface->events.map, &toplevel->map);
toplevel->unmap.notify = xdg_toplevel_unmap;
wl_signal_add(&xdg_toplevel->base->surface->events.unmap, &toplevel->unmap);
+ toplevel->commit.notify = xdg_toplevel_commit;
+ wl_signal_add(&xdg_toplevel->base->surface->events.commit, &toplevel->commit);
toplevel->destroy.notify = xdg_toplevel_destroy;
wl_signal_add(&xdg_toplevel->events.destroy, &toplevel->destroy);
@@ -808,10 +831,37 @@ static void server_new_xdg_toplevel(struct wl_listener *listener, void *data) {
wl_signal_add(&xdg_toplevel->events.request_fullscreen, &toplevel->request_fullscreen);
}
+static void xdg_popup_commit(struct wl_listener *listener, void *data) {
+ /* Called when a new surface state is committed. */
+ struct tinywl_popup *popup = wl_container_of(listener, popup, commit);
+
+ if (popup->xdg_popup->base->initial_commit) {
+ /* When an xdg_surface performs an initial commit, the compositor must
+ * reply with a configure so the client can map the surface.
+ * tinywl sends an empty configure. A more sophisticated compositor
+ * might change an xdg_popup's geometry to ensure it's not positioned
+ * off-screen, for example. */
+ wlr_xdg_surface_schedule_configure(popup->xdg_popup->base);
+ }
+}
+
+static void xdg_popup_destroy(struct wl_listener *listener, void *data) {
+ /* Called when the xdg_popup is destroyed. */
+ struct tinywl_popup *popup = wl_container_of(listener, popup, destroy);
+
+ wl_list_remove(&popup->commit.link);
+ wl_list_remove(&popup->destroy.link);
+
+ free(popup);
+}
+
static void server_new_xdg_popup(struct wl_listener *listener, void *data) {
/* This event is raised when a client creates a new popup. */
struct wlr_xdg_popup *xdg_popup = data;
+ struct tinywl_popup *popup = calloc(1, sizeof(*popup));
+ popup->xdg_popup = xdg_popup;
+
/* We must add xdg popups to the scene graph so they get rendered. The
* wlroots scene graph provides a helper for this, but to use it we must
* provide the proper parent scene node of the xdg popup. To enable this,
@@ -821,6 +871,12 @@ static void server_new_xdg_popup(struct wl_listener *listener, void *data) {
assert(parent != NULL);
struct wlr_scene_tree *parent_tree = parent->data;
xdg_popup->base->data = wlr_scene_xdg_surface_create(parent_tree, xdg_popup->base);
+
+ popup->commit.notify = xdg_popup_commit;
+ wl_signal_add(&xdg_popup->base->surface->events.commit, &popup->commit);
+
+ popup->destroy.notify = xdg_popup_destroy;
+ wl_signal_add(&xdg_popup->events.destroy, &popup->destroy);
}
int main(int argc, char *argv[]) {
diff --git a/types/xdg_shell/wlr_xdg_popup.c b/types/xdg_shell/wlr_xdg_popup.c
index b6134f49..97e6c8e2 100644
--- a/types/xdg_shell/wlr_xdg_popup.c
+++ b/types/xdg_shell/wlr_xdg_popup.c
@@ -246,13 +246,6 @@ void handle_xdg_popup_client_commit(struct wlr_xdg_popup *popup) {
}
}
-void handle_xdg_popup_committed(struct wlr_xdg_popup *popup) {
- if (popup->base->initial_commit && !popup->sent_initial_configure) {
- wlr_xdg_surface_schedule_configure(popup->base);
- popup->sent_initial_configure = true;
- }
-}
-
static const struct xdg_popup_interface xdg_popup_implementation;
struct wlr_xdg_popup *wlr_xdg_popup_from_resource(
@@ -285,7 +278,7 @@ static void xdg_popup_handle_grab(struct wl_client *client,
wlr_xdg_popup_destroy(popup);
return;
}
- if (popup->sent_initial_configure) {
+ if (popup->base->surface->mapped) {
wl_resource_post_error(popup->resource,
XDG_POPUP_ERROR_INVALID_GRAB,
"xdg_popup is already mapped");
@@ -472,8 +465,6 @@ void reset_xdg_popup(struct wlr_xdg_popup *popup) {
popup->seat = NULL;
}
-
- popup->sent_initial_configure = false;
}
void destroy_xdg_popup(struct wlr_xdg_popup *popup) {
diff --git a/types/xdg_shell/wlr_xdg_surface.c b/types/xdg_shell/wlr_xdg_surface.c
index 0d7a461c..029ab81a 100644
--- a/types/xdg_shell/wlr_xdg_surface.c
+++ b/types/xdg_shell/wlr_xdg_surface.c
@@ -309,16 +309,12 @@ static void xdg_surface_role_commit(struct wlr_surface *wlr_surface) {
assert(0 && "not reached");
return;
case WLR_XDG_SURFACE_ROLE_TOPLEVEL:
- if (surface->toplevel != NULL) {
- handle_xdg_toplevel_committed(surface->toplevel);
- } else {
+ if (surface->toplevel == NULL) {
return;
}
break;
case WLR_XDG_SURFACE_ROLE_POPUP:
- if (surface->popup != NULL) {
- handle_xdg_popup_committed(surface->popup);
- } else {
+ if (surface->popup == NULL) {
return;
}
break;
diff --git a/types/xdg_shell/wlr_xdg_toplevel.c b/types/xdg_shell/wlr_xdg_toplevel.c
index aac04ea4..7f67aeaf 100644
--- a/types/xdg_shell/wlr_xdg_toplevel.c
+++ b/types/xdg_shell/wlr_xdg_toplevel.c
@@ -131,24 +131,6 @@ void handle_xdg_toplevel_client_commit(struct wlr_xdg_toplevel *toplevel) {
}
}
-void handle_xdg_toplevel_committed(struct wlr_xdg_toplevel *toplevel) {
- if (toplevel->base->initial_commit) {
- // On the initial commit, send a configure request to tell the client it
- // is added
- wlr_xdg_surface_schedule_configure(toplevel->base);
-
- if (toplevel->base->client->shell->version >=
- XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION) {
- // The first configure event must carry WM capabilities
- wlr_xdg_toplevel_set_wm_capabilities(toplevel,
- WLR_XDG_TOPLEVEL_WM_CAPABILITIES_WINDOW_MENU |
- WLR_XDG_TOPLEVEL_WM_CAPABILITIES_MAXIMIZE |
- WLR_XDG_TOPLEVEL_WM_CAPABILITIES_FULLSCREEN |
- WLR_XDG_TOPLEVEL_WM_CAPABILITIES_MINIMIZE);
- }
- }
-}
-
static const struct xdg_toplevel_interface xdg_toplevel_implementation;
struct wlr_xdg_toplevel *wlr_xdg_toplevel_from_resource(
@@ -506,6 +488,16 @@ void create_xdg_toplevel(struct wlr_xdg_surface *surface,
set_xdg_surface_role_object(surface, surface->toplevel->resource);
+ if (surface->client->shell->version >= XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION) {
+ // The first configure event must carry WM capabilities
+ surface->toplevel->scheduled.wm_capabilities =
+ WLR_XDG_TOPLEVEL_WM_CAPABILITIES_WINDOW_MENU |
+ WLR_XDG_TOPLEVEL_WM_CAPABILITIES_MAXIMIZE |
+ WLR_XDG_TOPLEVEL_WM_CAPABILITIES_FULLSCREEN |
+ WLR_XDG_TOPLEVEL_WM_CAPABILITIES_MINIMIZE;
+ surface->toplevel->scheduled.fields |= WLR_XDG_TOPLEVEL_CONFIGURE_WM_CAPABILITIES;
+ }
+
wl_signal_emit_mutable(&surface->client->shell->events.new_toplevel, surface->toplevel);
return;