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settings: Add API to manipulate output luminance

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Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4271>
This commit is contained in:
Jonas Ådahl 2025-02-15 00:03:22 +08:00 committed by Sebastian Wick
parent b7a6689941
commit db2376cb84
2 changed files with 91 additions and 0 deletions
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13
src/backends/meta-settings-private.h
View File

@ -81,6 +81,10 @@ gboolean meta_settings_is_privacy_screen_enabled (MetaSettings *settings);
void meta_settings_set_privacy_screen_enabled (MetaSettings *settings,
gboolean enabled);
gboolean meta_settings_has_output_luminance (MetaSettings *settings,
const MetaMonitorSpec *monitor_spec,
MetaColorMode color_mode);
double meta_settings_get_output_luminance (MetaSettings *settings,
const MetaMonitorSpec *monitor_spec,
MetaColorMode color_mode);
@ -88,3 +92,12 @@ double meta_settings_get_output_luminance (MetaSettings *settings,
double meta_settings_get_default_output_luminance (MetaSettings *settings,
const MetaMonitorSpec *monitor_spec,
MetaColorMode color_mode);
void meta_settings_set_output_luminance (MetaSettings *settings,
const MetaMonitorSpec *monitor_spec,
MetaColorMode color_mode,
double luminance);
void meta_settings_reset_output_luminance (MetaSettings *settings,
const MetaMonitorSpec *monitor_spec,
MetaColorMode color_mode);

78
src/backends/meta-settings.c
View File

@ -401,6 +401,14 @@ find_luminance_entry (MetaSettings *settings,
return NULL;
}
gboolean
meta_settings_has_output_luminance (MetaSettings *settings,
const MetaMonitorSpec *monitor_spec,
MetaColorMode color_mode)
{
return !!find_luminance_entry (settings, monitor_spec, color_mode);
}
double
meta_settings_get_output_luminance (MetaSettings *settings,
const MetaMonitorSpec *monitor_spec,
@ -425,6 +433,76 @@ meta_settings_get_default_output_luminance (MetaSettings *settings,
return 100.0;
}
static void
sync_luminance_settings (MetaSettings *settings)
{
GVariantBuilder builder;
size_t i;
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a(ssssud)"));
for (i = 0; i < settings->output_luminance->len; i++)
{
LuminanceEntry *entry =
g_ptr_array_index (settings->output_luminance, i);
g_variant_builder_add (&builder, "(ssssud)",
entry->monitor_spec->connector,
entry->monitor_spec->vendor,
entry->monitor_spec->product,
entry->monitor_spec->serial,
entry->color_mode,
entry->luminance);
}
g_settings_set_value (settings->mutter_settings,
"output-luminance",
g_variant_builder_end (&builder));
}
void
meta_settings_set_output_luminance (MetaSettings *settings,
const MetaMonitorSpec *monitor_spec,
MetaColorMode color_mode,
double luminance)
{
LuminanceEntry *entry;
entry = find_luminance_entry (settings, monitor_spec, color_mode);
if (entry)
{
entry->luminance = luminance;
}
else
{
entry = luminance_entry_new (monitor_spec, color_mode, luminance);
g_ptr_array_add (settings->output_luminance, entry);
}
sync_luminance_settings (settings);
}
void
meta_settings_reset_output_luminance (MetaSettings *settings,
const MetaMonitorSpec *monitor_spec,
MetaColorMode color_mode)
{
size_t i;
for (i = 0; i < settings->output_luminance->len; i++)
{
LuminanceEntry *entry = g_ptr_array_index (settings->output_luminance, i);
if (luminance_entry_matches (entry, monitor_spec, color_mode))
{
g_ptr_array_remove_index (settings->output_luminance, i);
break;
}
}
sync_luminance_settings (settings);
}
static void
update_output_luminance_settings (MetaSettings *settings)
{