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config/output: Support multiple matches in find_output_config

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Simplify find_output_config and inline the search through the output
configs instead of using list_seq_find with a comparator function. The
new implementation will merge any amount of matched configs in order,
which will be relied upon in a future commit.

(cherry picked from a0c0349934)
This commit is contained in:
Kenny Levinsen 2024-09-05 22:25:44 +02:00 committed by Simon Ser
parent af86879462
commit 5664103902
1 changed files with 13 additions and 26 deletions
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33
sway/config/output.c
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@ -26,13 +26,6 @@
#include <wlr/backend/drm.h>
#endif
int output_name_cmp(const void *item, const void *data) {
const struct output_config *output = item;
const char *name = data;
return strcmp(output->name, name);
}
void output_get_identifier(char *identifier, size_t len,
struct sway_output *output) {
struct wlr_output *wlr_output = output->wlr_output;
@ -624,8 +617,6 @@ static void default_output_config(struct output_config *oc,
// configuration that applies to the specified output.
struct output_config *find_output_config(struct sway_output *sway_output) {
const char *name = sway_output->wlr_output->name;
struct output_config *oc = NULL;
struct output_config *result = new_output_config(name);
if (config->reloading) {
default_output_config(result, sway_output->wlr_output);
@ -634,25 +625,21 @@ struct output_config *find_output_config(struct sway_output *sway_output) {
char id[128];
output_get_identifier(id, sizeof(id), sway_output);
int i;
bool match = false;
if ((i = list_seq_find(config->output_configs, output_name_cmp, "*")) >= 0) {
match = true;
oc = config->output_configs->items[i];
// We take a new config and merge on top, in order, the wildcard config,
// output config by name, and output config by identifier to form the final
// config. If there are multiple matches, they are merged in order.
struct output_config *oc = NULL;
const char *names[] = {"*", name, id, NULL};
for (const char **name = &names[0]; *name; name++) {
for (int idx = 0; idx < config->output_configs->length; idx++) {
oc = config->output_configs->items[idx];
if (strcmp(oc->name, *name) == 0) {
merge_output_config(result, oc);
}
if ((i = list_seq_find(config->output_configs, output_name_cmp, name)) >= 0) {
match = true;
oc = config->output_configs->items[i];
merge_output_config(result, oc);
}
if ((i = list_seq_find(config->output_configs, output_name_cmp, id)) >= 0) {
match = true;
oc = config->output_configs->items[i];
merge_output_config(result, oc);
}
if (!match && !config->reloading) {
if (oc == NULL && !config->reloading) {
// No name, identifier, or wildcard config. Since we are not
// reloading with defaults, the output config will be empty, so
// just return NULL