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mutter/SOURCES/0001-backends-x11-Fix-key-r...

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import mutter-40.9-9.el9
2 years ago
From a1f33bdac95ba4fd0599f164ef893c05d8be123b Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Wed, 6 Oct 2021 15:31:30 -0400
Subject: [PATCH] backends/x11: Fix key repeat of on-screen keyboard for second
level keysyms
Certains keys (such as ~ and |) are in the keyboard map behind the
second shift level. This means in order for them to be input, the
shift key needs to be held down by the user.
The GNOME Shell on-screen keyboard presents these keys separately on
a page of keys that has no shift key. Instead, it relies on mutter
to set a shift latch before the key event is emitted. A shift latch
is a virtual press of the shift key that automatically gets released
after the next key press (in our case the ~ or | key).
The problem is using a shift latch doesn't work very well in the face
of key repeat. The latch is automatically released after the first
press, and subsequent repeats of that press no longer have shift
latched to them.
This commit fixes the problem by using a shift lock instead of a shift
latch. A shift lock is never implicitly released, so it remains
in place for the duration of key repeat.
---
src/backends/x11/meta-keymap-x11.c | 12 ++++++------
src/backends/x11/meta-keymap-x11.h | 6 +++---
src/backends/x11/meta-virtual-input-device-x11.c | 4 ++--
3 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/src/backends/x11/meta-keymap-x11.c b/src/backends/x11/meta-keymap-x11.c
index da5d064e7..1192cc387 100644
--- a/src/backends/x11/meta-keymap-x11.c
+++ b/src/backends/x11/meta-keymap-x11.c
@@ -829,85 +829,85 @@ meta_keymap_x11_reserve_keycode (MetaKeymapX11 *keymap_x11,
g_warning ("Cannot reserve a keycode for keyval %d: no available keycode", keyval);
return FALSE;
}
if (!meta_keymap_x11_replace_keycode (keymap_x11, *keycode_out, keyval))
{
g_warning ("Failed to remap keycode %d to keyval %d", *keycode_out, keyval);
return FALSE;
}
g_hash_table_insert (keymap_x11->reserved_keycodes, GUINT_TO_POINTER (*keycode_out), GUINT_TO_POINTER (keyval));
g_queue_remove (keymap_x11->available_keycodes, GUINT_TO_POINTER (*keycode_out));
return TRUE;
}
void
meta_keymap_x11_release_keycode_if_needed (MetaKeymapX11 *keymap_x11,
uint32_t keycode)
{
g_return_if_fail (META_IS_KEYMAP_X11 (keymap_x11));
if (!g_hash_table_contains (keymap_x11->reserved_keycodes, GUINT_TO_POINTER (keycode)) ||
g_queue_index (keymap_x11->available_keycodes, GUINT_TO_POINTER (keycode)) != -1)
return;
g_queue_push_tail (keymap_x11->available_keycodes, GUINT_TO_POINTER (keycode));
}
void
-meta_keymap_x11_latch_modifiers (MetaKeymapX11 *keymap_x11,
- uint32_t level,
- gboolean enable)
+meta_keymap_x11_lock_modifiers (MetaKeymapX11 *keymap_x11,
+ uint32_t level,
+ gboolean enable)
{
uint32_t modifiers[] = {
0,
ShiftMask,
keymap_x11->level3_shift_mask,
keymap_x11->level3_shift_mask | ShiftMask,
};
uint32_t value = 0;
if (!keymap_x11->use_xkb)
return;
level = CLAMP (level, 0, G_N_ELEMENTS (modifiers) - 1);
if (enable)
value = modifiers[level];
else
value = 0;
- XkbLatchModifiers (clutter_x11_get_default_display (),
- XkbUseCoreKbd, modifiers[level],
- value);
+ XkbLockModifiers (clutter_x11_get_default_display (),
+ XkbUseCoreKbd, modifiers[level],
+ value);
}
static uint32_t
meta_keymap_x11_get_current_group (MetaKeymapX11 *keymap_x11)
{
XkbStateRec state_rec;
if (keymap_x11->current_group >= 0)
return keymap_x11->current_group;
XkbGetState (clutter_x11_get_default_display (),
XkbUseCoreKbd, &state_rec);
return XkbStateGroup (&state_rec);
}
gboolean
meta_keymap_x11_keycode_for_keyval (MetaKeymapX11 *keymap_x11,
uint32_t keyval,
uint32_t *keycode_out,
uint32_t *level_out)
{
ClutterKeymapKey *keys;
int i, n_keys, group;
gboolean found = FALSE;
g_return_val_if_fail (keycode_out != NULL, FALSE);
g_return_val_if_fail (level_out != NULL, FALSE);
group = meta_keymap_x11_get_current_group (keymap_x11);
diff --git a/src/backends/x11/meta-keymap-x11.h b/src/backends/x11/meta-keymap-x11.h
index 67a5f8eb9..2f93acdbc 100644
--- a/src/backends/x11/meta-keymap-x11.h
+++ b/src/backends/x11/meta-keymap-x11.h
@@ -17,45 +17,45 @@
* Author: Emmanuele Bassi <ebassi@linux.intel.com>
*/
#ifndef META_KEYMAP_X11_H
#define META_KEYMAP_X11_H
#include <glib-object.h>
#include <pango/pango.h>
#include "clutter/clutter.h"
G_BEGIN_DECLS
#define META_TYPE_KEYMAP_X11 (meta_keymap_x11_get_type ())
G_DECLARE_FINAL_TYPE (MetaKeymapX11, meta_keymap_x11,
META, KEYMAP_X11, ClutterKeymap)
int meta_keymap_x11_get_key_group (MetaKeymapX11 *keymap,
ClutterModifierType state);
int meta_keymap_x11_translate_key_state (MetaKeymapX11 *keymap,
guint hardware_keycode,
ClutterModifierType *modifier_state_p,
ClutterModifierType *mods_p);
gboolean meta_keymap_x11_get_is_modifier (MetaKeymapX11 *keymap,
int keycode);
gboolean meta_keymap_x11_keycode_for_keyval (MetaKeymapX11 *keymap_x11,
guint keyval,
guint *keycode_out,
guint *level_out);
-void meta_keymap_x11_latch_modifiers (MetaKeymapX11 *keymap_x11,
- uint32_t level,
- gboolean enable);
+void meta_keymap_x11_lock_modifiers (MetaKeymapX11 *keymap_x11,
+ uint32_t level,
+ gboolean enable);
gboolean meta_keymap_x11_reserve_keycode (MetaKeymapX11 *keymap_x11,
guint keyval,
guint *keycode_out);
void meta_keymap_x11_release_keycode_if_needed (MetaKeymapX11 *keymap_x11,
guint keycode);
gboolean meta_keymap_x11_handle_event (MetaKeymapX11 *keymap_x11,
XEvent *xevent);
G_END_DECLS
#endif /* META_KEYMAP_X11_H */
diff --git a/src/backends/x11/meta-virtual-input-device-x11.c b/src/backends/x11/meta-virtual-input-device-x11.c
index fe6040859..1a5cdfc2e 100644
--- a/src/backends/x11/meta-virtual-input-device-x11.c
+++ b/src/backends/x11/meta-virtual-input-device-x11.c
@@ -159,71 +159,71 @@ meta_virtual_input_device_x11_notify_key (ClutterVirtualInputDevice *virtual_dev
ClutterKeyState key_state)
{
XTestFakeKeyEvent (clutter_x11_get_default_display (),
key + 8, key_state == CLUTTER_KEY_STATE_PRESSED, 0);
}
static void
meta_virtual_input_device_x11_notify_keyval (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
uint32_t keyval,
ClutterKeyState key_state)
{
ClutterBackend *backend = clutter_get_default_backend ();
ClutterSeat *seat = clutter_backend_get_default_seat (backend);
MetaKeymapX11 *keymap = META_KEYMAP_X11 (clutter_seat_get_keymap (seat));
uint32_t keycode, level;
if (!meta_keymap_x11_keycode_for_keyval (keymap, keyval, &keycode, &level))
{
level = 0;
if (!meta_keymap_x11_reserve_keycode (keymap, keyval, &keycode))
{
g_warning ("No keycode found for keyval %x in current group", keyval);
return;
}
}
if (!meta_keymap_x11_get_is_modifier (keymap, keycode) &&
key_state == CLUTTER_KEY_STATE_PRESSED)
- meta_keymap_x11_latch_modifiers (keymap, level, TRUE);
+ meta_keymap_x11_lock_modifiers (keymap, level, TRUE);
XTestFakeKeyEvent (clutter_x11_get_default_display (),
(KeyCode) keycode,
key_state == CLUTTER_KEY_STATE_PRESSED, 0);
if (key_state == CLUTTER_KEY_STATE_RELEASED)
{
if (!meta_keymap_x11_get_is_modifier (keymap, keycode))
- meta_keymap_x11_latch_modifiers (keymap, level, FALSE);
+ meta_keymap_x11_lock_modifiers (keymap, level, FALSE);
meta_keymap_x11_release_keycode_if_needed (keymap, keycode);
}
}
static void
meta_virtual_input_device_x11_notify_touch_down (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
int device_slot,
double x,
double y)
{
g_warning ("Virtual touch motion not implemented under X11");
}
static void
meta_virtual_input_device_x11_notify_touch_motion (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
int device_slot,
double x,
double y)
{
g_warning ("Virtual touch motion not implemented under X11");
}
static void
meta_virtual_input_device_x11_notify_touch_up (ClutterVirtualInputDevice *virtual_device,
uint64_t time_us,
int device_slot)
{
g_warning ("Virtual touch motion not implemented under X11");
--
2.33.1