mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2026-02-28 01:41:07 -05:00
Implement foreign-toplevel-info-v1
This commit is contained in:
Isaac Freund
parent
eb30cde777
commit
e9ae795c2c
5 changed files with 812 additions and 0 deletions
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@ -22,6 +22,7 @@ wlr_files += files(
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'wlr_cursor.c',
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'wlr_data_control_v1.c',
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'wlr_export_dmabuf_v1.c',
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'wlr_ext_foreign_toplevel_info_v1.c',
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'wlr_foreign_toplevel_management_v1.c',
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'wlr_fullscreen_shell_v1.c',
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'wlr_gamma_control_v1.c',
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528
types/wlr_ext_foreign_toplevel_info_v1.c
Normal file
528
types/wlr_ext_foreign_toplevel_info_v1.c
Normal file
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@ -0,0 +1,528 @@
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#define _POSIX_C_SOURCE 200809L
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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#include <wlr/types/wlr_ext_foreign_toplevel_info_v1.h>
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#include <wlr/types/wlr_seat.h>
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#include <wlr/util/log.h>
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#include "util/signal.h"
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#include "foreign-toplevel-info-unstable-v1-protocol.h"
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#define FOREIGN_TOPLEVEL_INFO_V1_VERSION 1
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static const struct zext_foreign_toplevel_handle_v1_interface toplevel_handle_impl;
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static void foreign_toplevel_handle_destroy(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static const struct zext_foreign_toplevel_handle_v1_interface toplevel_handle_impl = {
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.destroy = foreign_toplevel_handle_destroy,
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};
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static void toplevel_idle_send_done(void *data) {
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel = data;
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struct wl_resource *resource;
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wl_resource_for_each(resource, &toplevel->resources) {
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zext_foreign_toplevel_handle_v1_send_done(resource);
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}
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toplevel->idle_source = NULL;
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}
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static void toplevel_update_idle_source(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel) {
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if (toplevel->idle_source) {
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return;
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}
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toplevel->idle_source = wl_event_loop_add_idle(toplevel->info->event_loop,
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toplevel_idle_send_done, toplevel);
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}
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void wlr_ext_foreign_toplevel_handle_v1_set_title(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel, const char *title) {
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free(toplevel->title);
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toplevel->title = strdup(title);
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if (toplevel->title == NULL) {
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wlr_log(WLR_ERROR, "failed to allocate memory for toplevel title");
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return;
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}
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struct wl_resource *resource;
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wl_resource_for_each(resource, &toplevel->resources) {
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zext_foreign_toplevel_handle_v1_send_title(resource, title);
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}
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toplevel_update_idle_source(toplevel);
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}
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void wlr_ext_foreign_toplevel_handle_v1_set_app_id(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel, const char *app_id) {
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free(toplevel->app_id);
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toplevel->app_id = strdup(app_id);
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if (toplevel->app_id == NULL) {
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wlr_log(WLR_ERROR, "failed to allocate memory for toplevel app_id");
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return;
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}
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struct wl_resource *resource;
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wl_resource_for_each(resource, &toplevel->resources) {
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zext_foreign_toplevel_handle_v1_send_app_id(resource, app_id);
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}
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toplevel_update_idle_source(toplevel);
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}
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static void send_output_to_resource(struct wl_resource *resource,
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struct wlr_output *output, bool enter) {
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struct wl_client *client = wl_resource_get_client(resource);
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struct wl_resource *output_resource;
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wl_resource_for_each(output_resource, &output->resources) {
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if (wl_resource_get_client(output_resource) == client) {
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if (enter) {
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zext_foreign_toplevel_handle_v1_send_output_enter(resource,
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output_resource);
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} else {
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zext_foreign_toplevel_handle_v1_send_output_leave(resource,
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output_resource);
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}
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}
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}
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}
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static void toplevel_send_output(struct wlr_ext_foreign_toplevel_handle_v1 *toplevel,
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struct wlr_output *output, bool enter) {
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struct wl_resource *resource;
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wl_resource_for_each(resource, &toplevel->resources) {
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send_output_to_resource(resource, output, enter);
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}
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toplevel_update_idle_source(toplevel);
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}
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static void toplevel_handle_output_destroy(struct wl_listener *listener,
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void *data) {
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struct wlr_ext_foreign_toplevel_handle_v1_output *toplevel_output =
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wl_container_of(listener, toplevel_output, output_destroy);
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wlr_ext_foreign_toplevel_handle_v1_output_leave(toplevel_output->toplevel,
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toplevel_output->output);
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}
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void wlr_ext_foreign_toplevel_handle_v1_output_enter(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel,
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struct wlr_output *output) {
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struct wlr_ext_foreign_toplevel_handle_v1_output *toplevel_output;
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wl_list_for_each(toplevel_output, &toplevel->outputs, link) {
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if (toplevel_output->output == output) {
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return; // we have already sent output_enter event
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}
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}
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toplevel_output =
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calloc(1, sizeof(struct wlr_ext_foreign_toplevel_handle_v1_output));
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if (!toplevel_output) {
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wlr_log(WLR_ERROR, "failed to allocate memory for toplevel output");
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return;
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}
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toplevel_output->output = output;
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toplevel_output->toplevel = toplevel;
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wl_list_insert(&toplevel->outputs, &toplevel_output->link);
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toplevel_output->output_destroy.notify = toplevel_handle_output_destroy;
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wl_signal_add(&output->events.destroy, &toplevel_output->output_destroy);
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toplevel_send_output(toplevel, output, true);
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}
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static void toplevel_output_destroy(
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struct wlr_ext_foreign_toplevel_handle_v1_output *toplevel_output) {
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wl_list_remove(&toplevel_output->link);
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wl_list_remove(&toplevel_output->output_destroy.link);
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free(toplevel_output);
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}
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void wlr_ext_foreign_toplevel_handle_v1_output_leave(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel,
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struct wlr_output *output) {
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struct wlr_ext_foreign_toplevel_handle_v1_output *toplevel_output;
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wl_list_for_each(toplevel_output, &toplevel->outputs, link) {
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if (toplevel_output->output == output) {
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break;
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}
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}
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// The output must be in the list, leaving an output that was never
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// entered is forbidden.
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assert(&toplevel_output->link != &toplevel->outputs);
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toplevel_send_output(toplevel, output, false);
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toplevel_output_destroy(toplevel_output);
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}
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static bool fill_array_from_toplevel_state(struct wl_array *array,
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uint32_t state) {
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if (state & WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED) {
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uint32_t *index = wl_array_add(array, sizeof(uint32_t));
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if (index == NULL) {
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return false;
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}
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*index = ZEXT_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED;
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}
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if (state & WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED) {
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uint32_t *index = wl_array_add(array, sizeof(uint32_t));
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if (index == NULL) {
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return false;
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}
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*index = ZEXT_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED;
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}
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if (state & WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED) {
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uint32_t *index = wl_array_add(array, sizeof(uint32_t));
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if (index == NULL) {
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return false;
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}
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*index = ZEXT_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED;
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}
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if (state & WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_FULLSCREEN) {
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uint32_t *index = wl_array_add(array, sizeof(uint32_t));
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if (index == NULL) {
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return false;
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}
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*index = ZEXT_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_FULLSCREEN;
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}
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return true;
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}
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static void toplevel_send_state(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel) {
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struct wl_array states;
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wl_array_init(&states);
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bool r = fill_array_from_toplevel_state(&states, toplevel->state);
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if (!r) {
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struct wl_resource *resource;
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wl_resource_for_each(resource, &toplevel->resources) {
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wl_resource_post_no_memory(resource);
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}
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wl_array_release(&states);
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return;
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}
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struct wl_resource *resource;
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wl_resource_for_each(resource, &toplevel->resources) {
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zext_foreign_toplevel_handle_v1_send_state(resource, &states);
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}
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wl_array_release(&states);
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toplevel_update_idle_source(toplevel);
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}
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void wlr_ext_foreign_toplevel_handle_v1_set_maximized(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel, bool maximized) {
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if (maximized == (toplevel->state &
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WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED)) {
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return;
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}
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if (maximized) {
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toplevel->state |= WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED;
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} else {
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toplevel->state &= ~WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED;
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}
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toplevel_send_state(toplevel);
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}
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void wlr_ext_foreign_toplevel_handle_v1_set_minimized(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel, bool minimized) {
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if (minimized == (toplevel->state &
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WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED)) {
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return;
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}
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if (minimized) {
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toplevel->state |= WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED;
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} else {
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toplevel->state &= ~WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED;
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}
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toplevel_send_state(toplevel);
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}
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void wlr_ext_foreign_toplevel_handle_v1_set_activated(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel, bool activated) {
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if (activated == (toplevel->state &
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WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED)) {
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return;
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}
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if (activated) {
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toplevel->state |= WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED;
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} else {
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toplevel->state &= ~WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED;
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}
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toplevel_send_state(toplevel);
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}
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void wlr_ext_foreign_toplevel_handle_v1_set_fullscreen(
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struct wlr_ext_foreign_toplevel_handle_v1 * toplevel, bool fullscreen) {
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if (fullscreen == (toplevel->state &
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WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_FULLSCREEN)) {
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return;
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}
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if (fullscreen) {
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toplevel->state |= WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_FULLSCREEN;
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} else {
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toplevel->state &= ~WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_FULLSCREEN;
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}
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toplevel_send_state(toplevel);
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}
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static void toplevel_resource_send_parent(
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struct wl_resource *toplevel_resource,
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struct wlr_ext_foreign_toplevel_handle_v1 *parent) {
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struct wl_client *client = wl_resource_get_client(toplevel_resource);
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struct wl_resource *parent_resource = NULL;
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if (parent) {
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parent_resource = wl_resource_find_for_client(&parent->resources, client);
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if (!parent_resource) {
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/* don't send an event if this client destroyed the parent handle */
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return;
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}
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}
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zext_foreign_toplevel_handle_v1_send_parent(toplevel_resource,
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parent_resource);
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}
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void wlr_ext_foreign_toplevel_handle_v1_set_parent(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel,
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struct wlr_ext_foreign_toplevel_handle_v1 *parent) {
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if (parent == toplevel->parent) {
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/* only send parent event to the clients if there was a change */
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return;
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}
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struct wl_resource *toplevel_resource, *tmp;
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wl_resource_for_each_safe(toplevel_resource, tmp, &toplevel->resources) {
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toplevel_resource_send_parent(toplevel_resource, parent);
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}
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toplevel->parent = parent;
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toplevel_update_idle_source(toplevel);
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}
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void wlr_ext_foreign_toplevel_handle_v1_destroy(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel) {
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if (!toplevel) {
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return;
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}
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wlr_signal_emit_safe(&toplevel->events.destroy, toplevel);
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struct wl_resource *resource, *tmp;
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wl_resource_for_each_safe(resource, tmp, &toplevel->resources) {
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zext_foreign_toplevel_handle_v1_send_closed(resource);
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wl_resource_set_user_data(resource, NULL);
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wl_list_remove(wl_resource_get_link(resource));
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wl_list_init(wl_resource_get_link(resource));
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}
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struct wlr_ext_foreign_toplevel_handle_v1_output *toplevel_output, *tmp2;
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wl_list_for_each_safe(toplevel_output, tmp2, &toplevel->outputs, link) {
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toplevel_output_destroy(toplevel_output);
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}
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if (toplevel->idle_source) {
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wl_event_source_remove(toplevel->idle_source);
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}
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wl_list_remove(&toplevel->link);
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/* need to ensure no other toplevels hold a pointer to this one as
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* a parent so that a later call to foreign_toplevel_info_bind()
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* will not result in a segfault */
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struct wlr_ext_foreign_toplevel_handle_v1 *tl, *tmp3;
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wl_list_for_each_safe(tl, tmp3, &toplevel->info->toplevels, link) {
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if (tl->parent == toplevel) {
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/* Note: we send a parent signal to all clients in this case;
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* the caller should first destroy the child handles if it
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* wishes to avoid this behavior. */
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wlr_ext_foreign_toplevel_handle_v1_set_parent(tl, NULL);
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}
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}
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free(toplevel->title);
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free(toplevel->app_id);
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free(toplevel);
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}
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static void foreign_toplevel_resource_destroy(struct wl_resource *resource) {
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wl_list_remove(wl_resource_get_link(resource));
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}
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static struct wl_resource *create_toplevel_resource_for_resource(
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel,
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struct wl_resource *info_resource) {
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struct wl_client *client = wl_resource_get_client(info_resource);
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struct wl_resource *resource = wl_resource_create(client,
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&zext_foreign_toplevel_handle_v1_interface,
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wl_resource_get_version(info_resource), 0);
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if (!resource) {
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wl_client_post_no_memory(client);
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return NULL;
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}
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wl_resource_set_implementation(resource, &toplevel_handle_impl, toplevel,
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foreign_toplevel_resource_destroy);
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wl_list_insert(&toplevel->resources, wl_resource_get_link(resource));
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zext_foreign_toplevel_info_v1_send_toplevel(info_resource, resource);
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return resource;
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}
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struct wlr_ext_foreign_toplevel_handle_v1 *
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wlr_ext_foreign_toplevel_handle_v1_create(
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struct wlr_ext_foreign_toplevel_info_v1 *info) {
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struct wlr_ext_foreign_toplevel_handle_v1 *toplevel = calloc(1,
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sizeof(struct wlr_ext_foreign_toplevel_handle_v1));
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if (!toplevel) {
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return NULL;
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}
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wl_list_insert(&info->toplevels, &toplevel->link);
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toplevel->info = info;
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wl_list_init(&toplevel->resources);
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wl_list_init(&toplevel->outputs);
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wl_signal_init(&toplevel->events.destroy);
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struct wl_resource *info_resource, *tmp;
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wl_resource_for_each_safe(info_resource, tmp, &info->resources) {
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create_toplevel_resource_for_resource(toplevel, info_resource);
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}
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return toplevel;
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}
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static const struct zext_foreign_toplevel_info_v1_interface
|
||||
foreign_toplevel_info_impl;
|
||||
|
||||
static void foreign_toplevel_info_handle_stop(struct wl_client *client,
|
||||
struct wl_resource *resource) {
|
||||
assert(wl_resource_instance_of(resource,
|
||||
&zext_foreign_toplevel_info_v1_interface,
|
||||
&foreign_toplevel_info_impl));
|
||||
|
||||
zext_foreign_toplevel_info_v1_send_finished(resource);
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static const struct zext_foreign_toplevel_info_v1_interface
|
||||
foreign_toplevel_info_impl = {
|
||||
.stop = foreign_toplevel_info_handle_stop
|
||||
};
|
||||
|
||||
static void foreign_toplevel_info_resource_destroy(
|
||||
struct wl_resource *resource) {
|
||||
wl_list_remove(wl_resource_get_link(resource));
|
||||
}
|
||||
|
||||
static void toplevel_send_details_to_toplevel_resource(
|
||||
struct wlr_ext_foreign_toplevel_handle_v1 *toplevel,
|
||||
struct wl_resource *resource) {
|
||||
if (toplevel->title) {
|
||||
zext_foreign_toplevel_handle_v1_send_title(resource, toplevel->title);
|
||||
}
|
||||
if (toplevel->app_id) {
|
||||
zext_foreign_toplevel_handle_v1_send_app_id(resource, toplevel->app_id);
|
||||
}
|
||||
|
||||
struct wlr_ext_foreign_toplevel_handle_v1_output *output;
|
||||
wl_list_for_each(output, &toplevel->outputs, link) {
|
||||
send_output_to_resource(resource, output->output, true);
|
||||
}
|
||||
|
||||
struct wl_array states;
|
||||
wl_array_init(&states);
|
||||
bool r = fill_array_from_toplevel_state(&states, toplevel->state);
|
||||
if (!r) {
|
||||
wl_resource_post_no_memory(resource);
|
||||
wl_array_release(&states);
|
||||
return;
|
||||
}
|
||||
|
||||
zext_foreign_toplevel_handle_v1_send_state(resource, &states);
|
||||
wl_array_release(&states);
|
||||
|
||||
toplevel_resource_send_parent(resource, toplevel->parent);
|
||||
|
||||
zext_foreign_toplevel_handle_v1_send_done(resource);
|
||||
}
|
||||
|
||||
static void foreign_toplevel_info_bind(struct wl_client *client, void *data,
|
||||
uint32_t version, uint32_t id) {
|
||||
struct wlr_ext_foreign_toplevel_info_v1 *info = data;
|
||||
struct wl_resource *resource = wl_resource_create(client,
|
||||
&zext_foreign_toplevel_info_v1_interface, version, id);
|
||||
if (!resource) {
|
||||
wl_client_post_no_memory(client);
|
||||
return;
|
||||
}
|
||||
wl_resource_set_implementation(resource, &foreign_toplevel_info_impl,
|
||||
info, foreign_toplevel_info_resource_destroy);
|
||||
|
||||
wl_list_insert(&info->resources, wl_resource_get_link(resource));
|
||||
|
||||
struct wlr_ext_foreign_toplevel_handle_v1 *toplevel, *tmp;
|
||||
/* First loop: create a handle for all toplevels for all clients.
|
||||
* Separation into two loops avoid the case where a child handle
|
||||
* is created before a parent handle, so the parent relationship
|
||||
* could not be sent to a client. */
|
||||
wl_list_for_each_safe(toplevel, tmp, &info->toplevels, link) {
|
||||
create_toplevel_resource_for_resource(toplevel, resource);
|
||||
}
|
||||
/* Second loop: send details about each toplevel. */
|
||||
wl_list_for_each_safe(toplevel, tmp, &info->toplevels, link) {
|
||||
struct wl_resource *toplevel_resource =
|
||||
wl_resource_find_for_client(&toplevel->resources, client);
|
||||
toplevel_send_details_to_toplevel_resource(toplevel,
|
||||
toplevel_resource);
|
||||
}
|
||||
}
|
||||
|
||||
static void handle_display_destroy(struct wl_listener *listener, void *data) {
|
||||
struct wlr_ext_foreign_toplevel_info_v1 *info =
|
||||
wl_container_of(listener, info, display_destroy);
|
||||
wlr_signal_emit_safe(&info->events.destroy, info);
|
||||
wl_list_remove(&info->display_destroy.link);
|
||||
wl_global_destroy(info->global);
|
||||
free(info);
|
||||
}
|
||||
|
||||
struct wlr_ext_foreign_toplevel_info_v1 *wlr_ext_foreign_toplevel_info_v1_create(
|
||||
struct wl_display *display) {
|
||||
struct wlr_ext_foreign_toplevel_info_v1 *info = calloc(1,
|
||||
sizeof(struct wlr_ext_foreign_toplevel_info_v1));
|
||||
if (!info) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
info->event_loop = wl_display_get_event_loop(display);
|
||||
info->global = wl_global_create(display,
|
||||
&zext_foreign_toplevel_info_v1_interface,
|
||||
FOREIGN_TOPLEVEL_INFO_V1_VERSION, info,
|
||||
foreign_toplevel_info_bind);
|
||||
if (!info->global) {
|
||||
free(info);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
wl_signal_init(&info->events.destroy);
|
||||
wl_list_init(&info->resources);
|
||||
wl_list_init(&info->toplevels);
|
||||
|
||||
info->display_destroy.notify = handle_display_destroy;
|
||||
wl_display_add_destroy_listener(display, &info->display_destroy);
|
||||
|
||||
return info;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue