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monitor-config-store: Add parsing support for "maxbpc" in monitors.xml

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For example:

  <monitor>
    ...
    <maxbpc>8</maxbpc>
  </monitor>

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2412>
This commit is contained in:
Daniel van Vugt 2022-06-09 18:50:52 +08:00 committed by Marge Bot
parent d39137c631
commit 03336788fb
1 changed files with 49 additions and 0 deletions
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49
src/backends/meta-monitor-config-store.c
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@ -167,6 +167,7 @@ typedef enum
STATE_MONITOR_MODE_RATE,
STATE_MONITOR_MODE_FLAG,
STATE_MONITOR_UNDERSCANNING,
STATE_MONITOR_MAXBPC,
STATE_DISABLED,
STATE_POLICY,
STATE_STORES,
@ -451,6 +452,10 @@ handle_start_element (GMarkupParseContext *context,
{
parser->state = STATE_MONITOR_UNDERSCANNING;
}
else if (g_str_equal (element_name, "maxbpc"))
{
parser->state = STATE_MONITOR_MAXBPC;
}
else
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_UNKNOWN_ELEMENT,
@ -544,6 +549,13 @@ handle_start_element (GMarkupParseContext *context,
return;
}
case STATE_MONITOR_MAXBPC:
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_UNKNOWN_ELEMENT,
"Invalid element '%s' under maxbpc", element_name);
return;
}
case STATE_DISABLED:
{
if (!g_str_equal (element_name, "monitorspec"))
@ -818,6 +830,14 @@ handle_end_element (GMarkupParseContext *context,
return;
}
case STATE_MONITOR_MAXBPC:
{
g_assert (g_str_equal (element_name, "maxbpc"));
parser->state = STATE_MONITOR;
return;
}
case STATE_MONITOR:
{
MetaLogicalMonitorConfig *logical_monitor_config;
@ -1309,6 +1329,29 @@ handle_text (GMarkupParseContext *context,
return;
}
case STATE_MONITOR_MAXBPC:
{
int signed_max_bpc;
if (read_int (text, text_len, &signed_max_bpc, error))
{
if (signed_max_bpc >= 0)
{
parser->current_monitor_config->has_max_bpc = TRUE;
parser->current_monitor_config->max_bpc = signed_max_bpc;
}
else
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
"Invalid negative maxbpc value \"%s\"",
text);
}
}
return;
}
case STATE_STORE:
{
MetaConfigStore store;
@ -1480,6 +1523,12 @@ append_monitors (GString *buffer,
g_string_append (buffer, " </mode>\n");
if (monitor_config->enable_underscanning)
g_string_append (buffer, " <underscanning>yes</underscanning>\n");
if (monitor_config->has_max_bpc)
{
g_string_append_printf (buffer, " <maxbpc>%u</maxbpc>\n",
monitor_config->max_bpc);
}
g_string_append (buffer, " </monitor>\n");
}
}