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monitor-manager: Add API to get scales supported by the backend

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For the Xrandr backend, only scale 1 is supported, for the others, 1
and 2 are reported as supported.

https://bugzilla.gnome.org/show_bug.cgi?id=777732
This commit is contained in:
Jonas Ådahl
2017-01-26 17:14:32 +08:00
parent 3b46345db4
commit 9e8ee491e6
5 changed files with 63 additions and 0 deletions
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15
src/tests/meta-monitor-manager-test.c
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@ -23,6 +23,11 @@
#include "backends/meta-monitor-config-manager.h"
static float supported_scales_test[] = {
1.0,
2.0
};
struct _MetaMonitorManagerTest
{
MetaMonitorManager parent;
@ -360,6 +365,15 @@ meta_monitor_manager_test_calculate_monitor_mode_scale (MetaMonitorManager *mana
return output_test->scale;
}
static void
meta_monitor_manager_test_get_supported_scales (MetaMonitorManager *manager,
float **scales,
int *n_scales)
{
*scales = supported_scales_test;
*n_scales = G_N_ELEMENTS (supported_scales_test);
}
static void
meta_monitor_manager_test_dispose (GObject *object)
{
@ -393,4 +407,5 @@ meta_monitor_manager_test_class_init (MetaMonitorManagerTestClass *klass)
manager_class->tiled_monitor_removed = meta_monitor_manager_test_tiled_monitor_removed;
manager_class->is_transform_handled = meta_monitor_manager_test_is_transform_handled;
manager_class->calculate_monitor_mode_scale = meta_monitor_manager_test_calculate_monitor_mode_scale;
manager_class->get_supported_scales = meta_monitor_manager_test_get_supported_scales;
}