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backends/native: Implement keep-aspect

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Using ClutterInputDeviceEvdev::output-aspect-ratio. This only applies
to devices which are not calibratable, so again we need to implement
this at the toolkit level.

https://bugzilla.gnome.org/show_bug.cgi?id=774115
This commit is contained in:
Carlos Garnacho 2016-11-08 18:28:28 +01:00
parent cfbc4fe4d0
commit 45c9786434
1 changed files with 28 additions and 1 deletions
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29
src/backends/native/meta-input-settings-native.c
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@ -27,6 +27,7 @@
#include <linux/input-event-codes.h>
#include <libinput.h>
#include "meta-backend-native.h"
#include "meta-input-settings-native.h"
G_DEFINE_TYPE (MetaInputSettingsNative, meta_input_settings_native, META_TYPE_INPUT_SETTINGS)
@ -379,7 +380,33 @@ meta_input_settings_native_set_tablet_keep_aspect (MetaInputSettings *settings,
MetaOutput *output,
gboolean keep_aspect)
{
/* FIXME: Implement */
gdouble output_aspect = 0;
if (keep_aspect)
{
gint output_width, output_height;
if (output && output->crtc)
{
output_width = output->crtc->rect.width;
output_height = output->crtc->rect.height;
}
else
{
MetaMonitorManager *monitor_manager;
MetaBackend *backend;
backend = meta_get_backend ();
monitor_manager = meta_backend_get_monitor_manager (backend);
meta_monitor_manager_get_screen_limits (monitor_manager,
&output_width,
&output_height);
}
output_aspect = (gdouble) output_width / output_height;
}
g_object_set (device, "output-aspect-ratio", output_aspect, NULL);
}
static void