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examples/foreign-toplevel: Add documenation and output selection

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fwsmit 2021-01-22 23:35:06 +01:00 committed by Simon Ser
parent 0db191d3bf
commit 1b8330d1f8
1 changed files with 46 additions and 27 deletions
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73
examples/foreign-toplevel.c
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@ -9,26 +9,27 @@
#define WLR_FOREIGN_TOPLEVEL_MANAGEMENT_VERSION 3
/**
* Usage:
* 1. foreign-toplevel
* Prints a list of opened toplevels
* 2. foreign-toplevel -f <id>
* Focus the toplevel with the given id
* 3. foreign-toplevel -a <id>
* Maximize the toplevel with the given id
* 4. foreign-toplevel -u <id>
* Unmaximize the toplevel with the given id
* 5. foreign-toplevel -i <id>
* Minimize the toplevel with the given id
* 6. foreign-toplevel -r <id>
* Restore(unminimize) the toplevel with the given id
* 7. foreign-toplevel -c <id>
* Close the toplevel with the given id
* 8. foreign-toplevel -m
* Continuously print changes to the list of opened toplevels.
* Can be used together with some of the previous options.
*/
static void print_help(void) {
static const char usage[] =
"Usage: foreign-toplevel [OPTIONS] ...\n"
"Manage and view information about toplevel windows.\n"
"\n"
" -f <id> focus\n"
" -s <id> fullscreen\n"
" -o <output_id> select output for fullscreen toplevel to appear on. Use this\n"
" option with -s. View available outputs with wayland-info.\n"
" -S <id> unfullscreen\n"
" -a <id> maximize\n"
" -u <id> unmaximize\n"
" -i <id> minimize\n"
" -r <id> restore(unminimize)\n"
" -c <id> close\n"
" -m continuously print changes to the list of opened toplevels\n"
" Can be used together with some of the previous options.\n"
" -h print help message and quit\n";
fprintf(stderr, "%s", usage);
}
enum toplevel_state_field {
TOPLEVEL_STATE_MAXIMIZED = (1 << 0),
@ -39,6 +40,8 @@ enum toplevel_state_field {
};
static const uint32_t no_parent = (uint32_t)-1;
static struct wl_output *pref_output = NULL;
static uint32_t pref_output_id = UINT32_MAX;
struct toplevel_state {
char *title;
@ -94,7 +97,7 @@ static void print_toplevel(struct toplevel_v1 *toplevel, bool print_endl) {
} else {
printf(" no parent");
}
if (print_endl) {
printf("\n");
}
@ -271,9 +274,11 @@ struct wl_seat *seat = NULL;
static void handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) {
if (strcmp(interface, wl_output_interface.name) == 0) {
struct wl_output *output = wl_registry_bind(registry, name,
&wl_output_interface, version);
wl_output_set_user_data(output, (void*)(size_t)name); // assign some ID to the output
if (name == pref_output_id) {
pref_output = wl_registry_bind(registry, name,
&wl_output_interface, version);
}
} else if (strcmp(interface,
zwlr_foreign_toplevel_manager_v1_interface.name) == 0) {
toplevel_manager = wl_registry_bind(registry, name,
@ -324,8 +329,7 @@ int main(int argc, char **argv) {
int one_shot = 1;
int c;
// TODO maybe print usage with -h?
while ((c = getopt(argc, argv, "f:a:u:i:r:c:s:S:m")) != -1) {
while ((c = getopt(argc, argv, "f:a:u:i:r:c:s:S:mo:h")) != -1) {
switch (c) {
case 'f':
focus_id = atoi(optarg);
@ -354,6 +358,17 @@ int main(int argc, char **argv) {
case 'm':
one_shot = 0;
break;
case 'o':
pref_output_id = atoi(optarg);
break;
case '?':
print_help();
return EXIT_FAILURE;
break;
case 'h':
print_help();
return EXIT_SUCCESS;
break;
}
}
@ -391,7 +406,11 @@ int main(int argc, char **argv) {
zwlr_foreign_toplevel_handle_v1_unset_minimized(toplevel->zwlr_toplevel);
}
if ((toplevel = toplevel_by_id_or_bail(fullscreen_id))) {
zwlr_foreign_toplevel_handle_v1_set_fullscreen(toplevel->zwlr_toplevel, NULL);
if (pref_output_id != UINT32_MAX && pref_output == NULL) {
fprintf(stderr, "Could not find output %i\n", pref_output_id);
}
zwlr_foreign_toplevel_handle_v1_set_fullscreen(toplevel->zwlr_toplevel, pref_output);
}
if ((toplevel = toplevel_by_id_or_bail(unfullscreen_id))) {
zwlr_foreign_toplevel_handle_v1_unset_fullscreen(toplevel->zwlr_toplevel);