From d1c0e6fe2c21b4c7f651a82fb7342b54a4989c39 Mon Sep 17 00:00:00 2001 From: Drew DeVault Date: Sat, 24 Mar 2018 18:00:01 -0400 Subject: [PATCH] Add layer_surface.close --- examples/layer-shell.c | 13 ++++++++++++- include/wlr/types/wlr_layer_shell.h | 7 ++++++- protocol/wlr-layer-shell-unstable-v1.xml | 10 ++++++++++ rootston/layer_shell.c | 6 ++++-- types/wlr_layer_shell.c | 11 +++++++++++ 5 files changed, 43 insertions(+), 4 deletions(-) diff --git a/examples/layer-shell.c b/examples/layer-shell.c index f3b9d3a0..08826251 100644 --- a/examples/layer-shell.c +++ b/examples/layer-shell.c @@ -25,6 +25,7 @@ static uint32_t output = 0; static uint32_t layer = ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND; static uint32_t anchor = 0; static int32_t width = 256, height = 256; +static bool run_display = true; static struct { struct timespec last_frame; @@ -84,8 +85,18 @@ static void layer_surface_configure(void *data, zwlr_layer_surface_v1_ack_configure(surface, serial); } +static void layer_surface_closed(void *data, + struct zwlr_layer_surface_v1 *surface) { + eglDestroySurface(egl.display, egl_surface); + wl_egl_window_destroy(egl_window); + zwlr_layer_surface_v1_destroy(surface); + wl_surface_destroy(wl_surface); + run_display = false; +} + struct zwlr_layer_surface_v1_listener layer_surface_listener = { .configure = layer_surface_configure, + .closed = layer_surface_closed, }; static void handle_global(void *data, struct wl_registry *registry, @@ -235,7 +246,7 @@ int main(int argc, char **argv) { wl_display_roundtrip(display); draw(); - while (wl_display_dispatch(display) != -1) { + while (wl_display_dispatch(display) != -1 && run_display) { // This space intentionally left blank } return 0; diff --git a/include/wlr/types/wlr_layer_shell.h b/include/wlr/types/wlr_layer_shell.h index 3002345d..5d9feb27 100644 --- a/include/wlr/types/wlr_layer_shell.h +++ b/include/wlr/types/wlr_layer_shell.h @@ -67,7 +67,7 @@ struct wlr_layer_surface { const char *namespace; enum zwlr_layer_shell_v1_layer layer; - bool added, configured, mapped; + bool added, configured, mapped, closed; uint32_t configure_serial; struct wl_event_source *configure_idle; uint32_t configure_next_serial; @@ -99,4 +99,9 @@ void wlr_layer_shell_destroy(struct wlr_layer_shell *layer_shell); void wlr_layer_surface_configure(struct wlr_layer_surface *surface, uint32_t width, uint32_t height); +/** + * Unmaps this layer surface and notifies the client that it has been closed. + */ +void wlr_layer_surface_close(struct wlr_layer_surface *surface); + #endif diff --git a/protocol/wlr-layer-shell-unstable-v1.xml b/protocol/wlr-layer-shell-unstable-v1.xml index d6de59ab..b5cb3d3a 100644 --- a/protocol/wlr-layer-shell-unstable-v1.xml +++ b/protocol/wlr-layer-shell-unstable-v1.xml @@ -237,6 +237,16 @@ + + + The closed event is sent by the compositor when the surface will no + longer be shown. The output may have been destroyed or the user may have + asked for it to be removed. Further changes to the surface will be ignored. + The client should destroy the resource after receiving this event, and + create a new surface if they so choose. + + + diff --git a/rootston/layer_shell.c b/rootston/layer_shell.c index ac7b2b20..114a5f29 100644 --- a/rootston/layer_shell.c +++ b/rootston/layer_shell.c @@ -118,7 +118,7 @@ static void handle_output_destroy(struct wl_listener *listener, void *data) { struct roots_layer_surface *layer = wl_container_of(listener, layer, output_destroy); layer->layer_surface->output = NULL; - wl_resource_destroy(layer->layer_surface->resource); + wlr_layer_surface_close(layer->layer_surface); } static void handle_surface_commit(struct wl_listener *listener, void *data) { @@ -135,7 +135,9 @@ static void handle_surface_commit(struct wl_listener *listener, void *data) { static void unmap(struct wlr_layer_surface *layer_surface) { struct roots_layer_surface *layer = layer_surface->data; - wl_list_remove(&layer->link); + if (layer->link.prev) { + wl_list_remove(&layer->link); + } struct wlr_output *wlr_output = layer_surface->output; if (wlr_output != NULL) { diff --git a/types/wlr_layer_shell.c b/types/wlr_layer_shell.c index 631b7009..59f8d568 100644 --- a/types/wlr_layer_shell.c +++ b/types/wlr_layer_shell.c @@ -244,6 +244,12 @@ void wlr_layer_surface_configure(struct wlr_layer_surface *surface, wlr_layer_surface_schedule_configure(surface); } +void wlr_layer_surface_close(struct wlr_layer_surface *surface) { + surface->closed = true; + layer_surface_unmap(surface); + zwlr_layer_surface_v1_send_closed(surface->resource); +} + static void handle_wlr_surface_committed(struct wlr_surface *wlr_surface, void *role_data) { struct wlr_layer_surface *surface = role_data; @@ -255,6 +261,11 @@ static void handle_wlr_surface_committed(struct wlr_surface *wlr_surface, return; } + if (surface->closed) { + // Ignore commits after the compositor has closed it + return; + } + surface->current.anchor = surface->client_pending.anchor; surface->current.exclusive_zone = surface->client_pending.exclusive_zone; surface->current.margin = surface->client_pending.margin;