Disambiguate output mapped to tablet with connector name
This commit is contained in:
Carlos Garnacho
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f9b20f8330ecdb76fc887c4a99c03b406e26fd66 mutter-40.9.tar.xz
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From 8d340beb368b3b59637c91e2e6e4adbc81ce7caf Mon Sep 17 00:00:00 2001
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From: rpm-build <rpm-build>
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Date: Wed, 7 Feb 2024 21:27:32 +0100
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Subject: [PATCH] backends: Disambiguate output mapped to tablet with connector
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name
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In some circumstances, we may end up with outputs with the same
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vendor/product/serial, in which case we have a hard time finding the
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right one to map tablets to, since configuration only has these 3
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pieces of data.
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Add the handling of a 4th argument containing the output name
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based on the connector (e.g. HDMI-1), so that it can be used to
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disambiguate the output if necessary.
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This only kicks in if there actually are multiple outputs with the
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same EDID data. A goal of the configuration as it was stored was to
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remain useful if the user changed how the device is physically
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connected to the computer, this remains true for the vast majority
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of users having a single thing of each.
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---
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src/backends/meta-input-mapper.c | 43 +++++++++++++++++++++++++++++---
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1 file changed, 39 insertions(+), 4 deletions(-)
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diff --git a/src/backends/meta-input-mapper.c b/src/backends/meta-input-mapper.c
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index ae4cd05..a0a4b8a 100644
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--- a/src/backends/meta-input-mapper.c
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+++ b/src/backends/meta-input-mapper.c
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@@ -395,9 +395,33 @@ match_builtin (MetaInputMapper *mapper,
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return monitor == meta_monitor_manager_get_laptop_panel (mapper->monitor_manager);
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}
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+static gboolean
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+monitor_has_twin (MetaMonitor *monitor,
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+ GList *monitors)
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+{
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+ GList *l;
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+
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+ for (l = monitors; l; l = l->next)
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+ {
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+ if (l->data == monitor)
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+ continue;
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+
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+ if (g_strcmp0 (meta_monitor_get_vendor (monitor),
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+ meta_monitor_get_vendor (l->data)) == 0 &&
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+ g_strcmp0 (meta_monitor_get_product (monitor),
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+ meta_monitor_get_product (l->data)) == 0 &&
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+ g_strcmp0 (meta_monitor_get_serial (monitor),
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+ meta_monitor_get_serial (l->data)) == 0)
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+ return TRUE;
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+ }
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+
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+ return FALSE;
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+}
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+
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static gboolean
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match_config (MetaMapperInputInfo *info,
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- MetaMonitor *monitor)
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+ MetaMonitor *monitor,
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+ GList *monitors)
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{
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gboolean match = FALSE;
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char **edid;
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@@ -406,10 +430,10 @@ match_config (MetaMapperInputInfo *info,
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edid = g_settings_get_strv (info->settings, "output");
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n_values = g_strv_length (edid);
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- if (n_values != 3)
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+ if (n_values < 3)
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{
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g_warning ("EDID configuration for device '%s' "
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- "is incorrect, must have 3 values",
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+ "is incorrect, must have at least 3 values",
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clutter_input_device_get_device_name (info->device));
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goto out;
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}
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@@ -421,6 +445,17 @@ match_config (MetaMapperInputInfo *info,
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g_strcmp0 (meta_monitor_get_product (monitor), edid[1]) == 0 &&
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g_strcmp0 (meta_monitor_get_serial (monitor), edid[2]) == 0);
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+ if (match && n_values >= 4 && monitor_has_twin (monitor, monitors))
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+ {
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+ /* The 4th value if set contains the ID (e.g. HDMI-1), use it
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+ * for disambiguation if multiple monitors with the same
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+ * EDID data are found.
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+ */
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+ MetaOutput *output;
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+ output = meta_monitor_get_main_output (monitor);
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+ match = g_strcmp0 (meta_output_get_name (output), edid[3]) == 0;
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+ }
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+
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out:
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g_strfreev (edid);
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@@ -481,7 +516,7 @@ guess_candidates (MetaInputMapper *mapper,
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if (builtin && match_builtin (mapper, l->data))
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match.score |= 1 << META_MATCH_IS_BUILTIN;
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- if (match_config (input, l->data))
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+ if (match_config (input, l->data, monitors))
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match.score |= 1 << META_MATCH_CONFIG;
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if (match.score > 0)
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--
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2.43.0
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@ -10,7 +10,7 @@
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Name: mutter
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Version: 40.9
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Release: 15%{?dist}
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Release: 16%{?dist}
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Summary: Window and compositing manager based on Clutter
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License: GPLv2+
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@ -113,6 +113,8 @@ Patch46: 0001-clutter-text-Don-t-query-preferred-size-without-allo.patch
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Patch47: 0001-core-Change-MetaWaylandTextInput-event-forwarding-to.patch
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Patch48: 0001-backends-Disambiguate-output-mapped-to-tablet-with-c.patch
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BuildRequires: chrpath
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BuildRequires: pango-devel
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BuildRequires: startup-notification-devel
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@ -260,6 +262,10 @@ desktop-file-validate %{buildroot}/%{_datadir}/applications/%{name}.desktop
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%{_datadir}/mutter-%{mutter_api_version}/tests
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%changelog
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* Tue Feb 06 2024 Carlos Garnacho <cgarnach@redhat.com> - 40.9-16
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- Disambiguate output mapped to tablet with connector name
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Resolves: RHEL-28535
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* Mon Jul 10 2023 Carlos Garnacho <cgarnach@redhat.com> - 40.9-15
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- Fix ordering of keyboard modifiers relative to other keyboard events
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Resolves: #2218146
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