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From c604ada385e046e9307571fa078972d2b1815987 Mon Sep 17 00:00:00 2001
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From: Carlos Garnacho <carlosg@gnome.org>
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Date: Wed, 3 Oct 2018 22:43:21 +0200
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Subject: [PATCH] clutter: Do not latch modifiers on modifier keys
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If the user maps eg. Alt+F2 to a pad button, the MetaInputSettings will
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send the full Alt press, F2 press, F2 release, Alt release sequence.
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However the keycode corresponding to Alt is found in level 1, so the
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Shift modifier gets unintendedly latched in addition to the Alt key
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press/release pair.
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We could probably improve keycode lookup heuristics so level=0 (and
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no modifier latching) is preferred, but we can do without it altogether
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for modifier keys.
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---
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clutter/clutter/x11/clutter-virtual-input-device-x11.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/clutter/clutter/x11/clutter-virtual-input-device-x11.c b/clutter/clutter/x11/clutter-virtual-input-device-x11.c
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index b86ded0d0..e16ba3fd0 100644
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--- a/clutter/clutter/x11/clutter-virtual-input-device-x11.c
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+++ b/clutter/clutter/x11/clutter-virtual-input-device-x11.c
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@@ -147,14 +147,16 @@ clutter_virtual_input_device_x11_notify_keyval (ClutterVirtualInputDevice *virtu
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return;
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}
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- if (key_state == CLUTTER_KEY_STATE_PRESSED)
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+ if (!_clutter_keymap_x11_get_is_modifier (keymap, keycode) &&
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+ key_state == CLUTTER_KEY_STATE_PRESSED)
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clutter_keymap_x11_latch_modifiers (keymap, level, TRUE);
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XTestFakeKeyEvent (clutter_x11_get_default_display (),
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(KeyCode) keycode,
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key_state == CLUTTER_KEY_STATE_PRESSED, 0);
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- if (key_state == CLUTTER_KEY_STATE_RELEASED)
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+ if (!_clutter_keymap_x11_get_is_modifier (keymap, keycode) &&
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+ key_state == CLUTTER_KEY_STATE_RELEASED)
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clutter_keymap_x11_latch_modifiers (keymap, level, FALSE);
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}
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--
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2.20.1
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