Ilia Bozhinov
6 years ago
parent
8cce2d75a9
commit
16175751d6
@ -0,0 +1,358 @@
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#define _POSIX_C_SOURCE 200809L
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#include <getopt.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wayland-client.h>
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#include "wlr-foreign-toplevel-management-unstable-v1-client-protocol.h"
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/**
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* Usage:
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* 1. foreign-toplevel
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* Prints a list of opened toplevels
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* 2. foreign-toplevel -f <id>
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* Focus the toplevel with the given id
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* 3. foreign-toplevel -a <id>
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* Maximize the toplevel with the given id
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* 4. foreign-toplevel -u <id>
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* Unmaximize the toplevel with the given id
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* 5. foreign-toplevel -i <id>
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* Minimize the toplevel with the given id
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* 6. foreign-toplevel -r <id>
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* Restore(unminimize) the toplevel with the given id
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* 7. foreign-toplevel -c <id>
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* Close the toplevel with the given id
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* 8. foreign-toplevel -m
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* Continuously print changes to the list of opened toplevels.
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* Can be used together with some of the previous options.
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*/
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enum toplevel_state_field {
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TOPLEVEL_STATE_MAXIMIZED = 1,
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TOPLEVEL_STATE_MINIMIZED = 2,
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TOPLEVEL_STATE_ACTIVATED = 4,
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TOPLEVEL_STATE_INVALID = 8,
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};
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struct toplevel_state {
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char *title;
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char *app_id;
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uint32_t state;
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};
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static void copy_state(struct toplevel_state *current,
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struct toplevel_state *pending) {
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if (current->title && pending->title) {
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free(current->title);
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}
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if (current->app_id && pending->app_id) {
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free(current->app_id);
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}
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if (pending->title) {
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current->title = pending->title;
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pending->title = NULL;
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}
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if (pending->app_id) {
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current->app_id = pending->app_id;
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pending->app_id = NULL;
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}
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if (!(pending->state & TOPLEVEL_STATE_INVALID)) {
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current->state = pending->state;
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}
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pending->state = TOPLEVEL_STATE_INVALID;
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}
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static uint32_t global_id = 0;
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struct toplevel_v1 {
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struct wl_list link;
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struct zwlr_foreign_toplevel_handle_v1 *zwlr_toplevel;
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uint32_t id;
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struct toplevel_state current, pending;
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};
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static void print_toplevel(struct toplevel_v1 *toplevel, bool print_endl) {
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printf("-> %d. title=%s app_id=%s", toplevel->id,
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toplevel->current.title ?: "(nil)",
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toplevel->current.app_id ?: "(nil)");
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if (print_endl) {
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printf("\n");
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}
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}
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static void print_toplevel_state(struct toplevel_v1 *toplevel, bool print_endl) {
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if (toplevel->current.state & TOPLEVEL_STATE_MAXIMIZED) {
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printf(" maximized");
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} else {
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printf(" unmaximized");
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}
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if (toplevel->current.state & TOPLEVEL_STATE_MINIMIZED) {
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printf(" minimized");
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} else {
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printf(" unminimized");
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}
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if (toplevel->current.state & TOPLEVEL_STATE_ACTIVATED) {
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printf(" active");
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} else {
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printf(" inactive");
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}
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if (print_endl) {
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printf("\n");
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}
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}
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static void toplevel_handle_title(void *data,
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struct zwlr_foreign_toplevel_handle_v1 *zwlr_toplevel,
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const char *title) {
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struct toplevel_v1 *toplevel = data;
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free(toplevel->pending.title);
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toplevel->pending.title = strdup(title);
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}
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static void toplevel_handle_app_id(void *data,
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struct zwlr_foreign_toplevel_handle_v1 *zwlr_toplevel,
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const char *app_id) {
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struct toplevel_v1 *toplevel = data;
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free(toplevel->pending.app_id);
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toplevel->pending.app_id = strdup(app_id);
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}
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static void toplevel_handle_output_enter(void *data,
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struct zwlr_foreign_toplevel_handle_v1 *zwlr_toplevel,
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struct wl_output *output) {
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struct toplevel_v1 *toplevel = data;
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print_toplevel(toplevel, false);
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printf(" enter output %u\n",
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(uint32_t)(size_t)wl_output_get_user_data(output));
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}
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static void toplevel_handle_output_leave(void *data,
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struct zwlr_foreign_toplevel_handle_v1 *zwlr_toplevel,
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struct wl_output *output) {
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struct toplevel_v1 *toplevel = data;
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print_toplevel(toplevel, false);
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printf(" leave output %u\n",
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(uint32_t)(size_t)wl_output_get_user_data(output));
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}
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static uint32_t array_to_state(struct wl_array *array) {
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uint32_t state = 0;
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uint32_t *entry;
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wl_array_for_each(entry, array) {
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if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED)
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state |= TOPLEVEL_STATE_MAXIMIZED;
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if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED)
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state |= TOPLEVEL_STATE_MINIMIZED;
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if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED)
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state |= TOPLEVEL_STATE_ACTIVATED;
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}
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return state;
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}
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static void toplevel_handle_state(void *data,
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struct zwlr_foreign_toplevel_handle_v1 *zwlr_toplevel,
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struct wl_array *state) {
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struct toplevel_v1 *toplevel = data;
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toplevel->pending.state = array_to_state(state);
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}
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static void toplevel_handle_done(void *data,
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struct zwlr_foreign_toplevel_handle_v1 *zwlr_toplevel) {
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struct toplevel_v1 *toplevel = data;
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bool state_changed = toplevel->current.state != toplevel->pending.state;
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copy_state(&toplevel->current, &toplevel->pending);
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print_toplevel(toplevel, !state_changed);
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if (state_changed) {
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print_toplevel_state(toplevel, true);
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}
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}
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static void toplevel_handle_closed(void *data,
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struct zwlr_foreign_toplevel_handle_v1 *zwlr_toplevel) {
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struct toplevel_v1 *toplevel = data;
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print_toplevel(toplevel, false);
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printf(" closed\n");
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zwlr_foreign_toplevel_handle_v1_destroy(zwlr_toplevel);
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}
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static const struct zwlr_foreign_toplevel_handle_v1_listener toplevel_impl = {
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.title = toplevel_handle_title,
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.app_id = toplevel_handle_app_id,
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.output_enter = toplevel_handle_output_enter,
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.output_leave = toplevel_handle_output_leave,
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.state = toplevel_handle_state,
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.done = toplevel_handle_done,
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.closed = toplevel_handle_closed,
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};
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static struct zwlr_foreign_toplevel_manager_v1 *toplevel_manager = NULL;
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static struct wl_list toplevel_list;
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static void toplevel_manager_handle_toplevel(void *data,
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struct zwlr_foreign_toplevel_manager_v1 *toplevel_manager,
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struct zwlr_foreign_toplevel_handle_v1 *zwlr_toplevel) {
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struct toplevel_v1 *toplevel = calloc(1, sizeof(struct toplevel_v1));
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if (!toplevel) {
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fprintf(stderr, "Failed to allocate memory for toplevel\n");
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return;
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}
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toplevel->id = global_id++;
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toplevel->zwlr_toplevel = zwlr_toplevel;
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wl_list_insert(&toplevel_list, &toplevel->link);
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zwlr_foreign_toplevel_handle_v1_add_listener(zwlr_toplevel, &toplevel_impl,
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toplevel);
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}
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static void toplevel_manager_handle_finished(void *data,
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struct zwlr_foreign_toplevel_manager_v1 *toplevel_manager) {
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zwlr_foreign_toplevel_manager_v1_destroy(toplevel_manager);
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}
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static const struct zwlr_foreign_toplevel_manager_v1_listener toplevel_manager_impl = {
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.toplevel = toplevel_manager_handle_toplevel,
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.finished = toplevel_manager_handle_finished,
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};
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struct wl_seat *seat = NULL;
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static void handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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if (strcmp(interface, wl_output_interface.name) == 0) {
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struct wl_output *output = wl_registry_bind(registry, name,
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&wl_output_interface, version);
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wl_output_set_user_data(output, (void*)(size_t)name); // assign some ID to the output
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} else if (strcmp(interface,
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zwlr_foreign_toplevel_manager_v1_interface.name) == 0) {
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toplevel_manager = wl_registry_bind(registry, name,
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&zwlr_foreign_toplevel_manager_v1_interface, 1);
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wl_list_init(&toplevel_list);
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zwlr_foreign_toplevel_manager_v1_add_listener(toplevel_manager,
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&toplevel_manager_impl, NULL);
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} else if (strcmp(interface, wl_seat_interface.name) == 0 && seat == NULL) {
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seat = wl_registry_bind(registry, name, &wl_seat_interface, version);
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}
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}
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static void handle_global_remove(void *data, struct wl_registry *registry,
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uint32_t name) {
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// who cares
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}
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static const struct wl_registry_listener registry_listener = {
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.global = handle_global,
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.global_remove = handle_global_remove,
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};
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/* return NULL when id == -1
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* exit if the given ID cannot be found in the list of toplevels */
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static struct toplevel_v1 *toplevel_by_id_or_bail(int32_t id) {
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if (id == -1) {
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return NULL;
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}
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struct toplevel_v1 *toplevel;
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wl_list_for_each(toplevel, &toplevel_list, link) {
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if (toplevel->id == (uint32_t)id) {
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return toplevel;
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}
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}
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fprintf(stderr, "No toplevel with the given id: %d\n", id);
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exit(EXIT_FAILURE);
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}
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int main(int argc, char **argv) {
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int focus_id = -1, close_id = -1;
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int maximize_id = -1, unmaximize_id = -1;
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int minimize_id = -1, restore_id = -1;
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int one_shot = 1;
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int c;
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// TODO maybe print usage with -h?
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while ((c = getopt(argc, argv, "f:a:u:i:r:c:m")) != -1) {
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switch (c) {
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case 'f':
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focus_id = atoi(optarg);
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break;
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case 'a':
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maximize_id = atoi(optarg);
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break;
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case 'u':
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unmaximize_id = atoi(optarg);
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break;
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case 'i':
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minimize_id = atoi(optarg);
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break;
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case 'r':
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restore_id = atoi(optarg);
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break;
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case 'c':
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close_id = atoi(optarg);
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break;
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case 'm':
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one_shot = 0;
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break;
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}
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}
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struct wl_display *display = wl_display_connect(NULL);
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if (display == NULL) {
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fprintf(stderr, "Failed to create display\n");
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return EXIT_FAILURE;
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}
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struct wl_registry *registry = wl_display_get_registry(display);
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wl_registry_add_listener(registry, ®istry_listener, NULL);
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wl_display_dispatch(display);
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wl_display_roundtrip(display);
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if (toplevel_manager == NULL) {
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fprintf(stderr, "wlr-foreign-toplevel not available\n");
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return EXIT_FAILURE;
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}
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wl_display_roundtrip(display); // load list of toplevels
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wl_display_roundtrip(display); // load toplevel details
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struct toplevel_v1 *toplevel;
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if ((toplevel = toplevel_by_id_or_bail(focus_id))) {
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zwlr_foreign_toplevel_handle_v1_activate(toplevel->zwlr_toplevel, seat);
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}
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if ((toplevel = toplevel_by_id_or_bail(maximize_id))) {
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zwlr_foreign_toplevel_handle_v1_set_maximized(toplevel->zwlr_toplevel);
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}
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if ((toplevel = toplevel_by_id_or_bail(unmaximize_id))) {
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zwlr_foreign_toplevel_handle_v1_unset_maximized(toplevel->zwlr_toplevel);
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}
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if ((toplevel = toplevel_by_id_or_bail(minimize_id))) {
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zwlr_foreign_toplevel_handle_v1_set_minimized(toplevel->zwlr_toplevel);
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}
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if ((toplevel = toplevel_by_id_or_bail(restore_id))) {
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zwlr_foreign_toplevel_handle_v1_unset_minimized(toplevel->zwlr_toplevel);
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}
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if ((toplevel = toplevel_by_id_or_bail(close_id))) {
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zwlr_foreign_toplevel_handle_v1_close(toplevel->zwlr_toplevel);
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}
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wl_display_flush(display);
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if (one_shot == 0) {
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while (wl_display_dispatch(display) != -1) {
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// This space intentionally left blank
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}
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}
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return EXIT_SUCCESS;
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}
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