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output/config: Simplify get_output_config

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Output configs are merged into id_or_name versions when stored, so
get_output_config does not need to handle this when retreiving configs.

Restructure the function a bit while we're at it.
This commit is contained in:
Kenny Levinsen 2024-03-08 22:57:39 +01:00
parent 8dbbeff8f7
commit 0e240ba682
1 changed files with 38 additions and 67 deletions
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105
sway/config/output.c
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@ -641,84 +641,55 @@ static void default_output_config(struct output_config *oc,
static struct output_config *get_output_config(char *identifier,
struct sway_output *sway_output) {
const char *name = sway_output->wlr_output->name;
struct output_config *oc = NULL;
struct output_config *oc_id_on_name = NULL;
struct output_config *oc_name = NULL;
struct output_config *oc_id = NULL;
// Look for "id on name" output config, which will be stored if configs
// have been made for both an output's name and its identifier.
char *id_on_name = format_str("%s on %s", identifier, name);
int i = list_seq_find(config->output_configs, output_name_cmp, id_on_name);
free(id_on_name);
if (i >= 0) {
oc_id_on_name = config->output_configs->items[i];
} else {
i = list_seq_find(config->output_configs, output_name_cmp, name);
if (i >= 0) {
oc_name = config->output_configs->items[i];
}
i = list_seq_find(config->output_configs, output_name_cmp, identifier);
if (i >= 0) {
oc_id = config->output_configs->items[i];
}
oc = config->output_configs->items[i];
goto found;
}
// There was no combined "id on name", but there may be either a name or an
// identifier config. Look for both, giving priority to the identifier.
i = list_seq_find(config->output_configs, output_name_cmp, identifier);
if (i >= 0) {
oc = config->output_configs->items[i];
goto found;
}
i = list_seq_find(config->output_configs, output_name_cmp, name);
if (i >= 0) {
oc = config->output_configs->items[i];
goto found;
}
// There is no output-specific config, but there may be a wildcard.
i = list_seq_find(config->output_configs, output_name_cmp, "*");
if (i >= 0) {
oc = config->output_configs->items[i];
goto found;
}
if (!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
return NULL;
}
found:;
struct output_config *result = new_output_config("temp");
if (config->reloading) {
default_output_config(result, sway_output->wlr_output);
}
if (oc_id_on_name) {
// Already have an identifier on name config, use that
free(result->name);
result->name = strdup(id_on_name);
merge_output_config(result, oc_id_on_name);
} else if (oc_name && oc_id) {
// Generate a config named `<identifier> on <name>` which contains a
// merged copy of the identifier on name. This will make sure that both
// identifier and name configs are respected, with identifier getting
// priority
struct output_config *temp = new_output_config(id_on_name);
merge_output_config(temp, oc_name);
merge_output_config(temp, oc_id);
list_add(config->output_configs, temp);
free(result->name);
result->name = strdup(id_on_name);
merge_output_config(result, temp);
sway_log(SWAY_DEBUG, "Generated output config \"%s\" (enabled: %d)"
" (%dx%d@%fHz position %d,%d scale %f transform %d) (bg %s %s)"
" (power %d) (max render time: %d)", result->name, result->enabled,
result->width, result->height, result->refresh_rate,
result->x, result->y, result->scale, result->transform,
result->background, result->background_option, result->power,
result->max_render_time);
} else if (oc_name) {
// No identifier config, just return a copy of the name config
free(result->name);
result->name = strdup(name);
merge_output_config(result, oc_name);
} else if (oc_id) {
// No name config, just return a copy of the identifier config
free(result->name);
result->name = strdup(identifier);
merge_output_config(result, oc_id);
} else {
i = list_seq_find(config->output_configs, output_name_cmp, "*");
if (i >= 0) {
// No name or identifier config, but there is a wildcard config
free(result->name);
result->name = strdup("*");
merge_output_config(result, config->output_configs->items[i]);
} else if (!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
free_output_config(result);
result = NULL;
}
}
free(id_on_name);
free(result->name);
result->name = strdup(oc->name);
merge_output_config(result, oc);
return result;
}