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clutter/x11: disable mousekeys with Numlock ON

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GNOME documentation on accessibility features states that mousekeys
work only when NumLock is OFF:

  https://help.gnome.org/users/gnome-help/stable/mouse-mousekeys.html

Change the clutter/x11 implementation to match the documentation, i.e.
disable mousekeys when NumLock in ON so that switching NumLock ON
restores the numeric keypad behaviour.

Closes: https://gitlab.gnome.org/GNOME/mutter/issues/530
(cherry picked from commit 251fa024c4)
This commit is contained in:
Olivier Fourdan 2019-04-09 16:25:57 +02:00
parent 4705a31049
commit abc3fdcc65
2 changed files with 27 additions and 2 deletions
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20
clutter/clutter/x11/clutter-backend-x11.c
View File

@ -54,6 +54,7 @@
#include "clutter-main.h"
#include "clutter-private.h"
#include "clutter-settings-private.h"
#include "clutter-xkb-a11y-x11.h"
G_DEFINE_TYPE (ClutterBackendX11, clutter_backend_x11, CLUTTER_TYPE_BACKEND)
@ -276,6 +277,20 @@ clutter_backend_x11_create_device_manager (ClutterBackendX11 *backend_x11)
_clutter_backend_add_event_translator (backend, translator);
}
static void
on_keymap_state_change (ClutterKeymapX11 *keymap_x11,
gpointer data)
{
ClutterDeviceManager *device_manager = CLUTTER_DEVICE_MANAGER (data);
ClutterKbdA11ySettings kbd_a11y_settings;
/* On keymaps state change, just reapply the current settings, it'll
* take care of enabling/disabling mousekeys based on NumLock state.
*/
clutter_device_manager_get_kbd_a11y_settings (device_manager, &kbd_a11y_settings);
clutter_device_manager_x11_apply_kbd_a11y_settings (device_manager, &kbd_a11y_settings);
}
static void
clutter_backend_x11_create_keymap (ClutterBackendX11 *backend_x11)
{
@ -292,6 +307,11 @@ clutter_backend_x11_create_keymap (ClutterBackendX11 *backend_x11)
backend = CLUTTER_BACKEND (backend_x11);
translator = CLUTTER_EVENT_TRANSLATOR (backend_x11->keymap);
_clutter_backend_add_event_translator (backend, translator);
g_signal_connect (backend_x11->keymap,
"state-changed",
G_CALLBACK (on_keymap_state_change),
backend->device_manager);
}
}

9
clutter/clutter/x11/clutter-xkb-a11y-x11.c
View File

@ -241,8 +241,13 @@ clutter_device_manager_x11_apply_kbd_a11y_settings (ClutterDeviceManager *devi
}
/* mouse keys */
if (set_xkb_ctrl (desc, kbd_a11y_settings->controls,
CLUTTER_A11Y_MOUSE_KEYS_ENABLED, XkbMouseKeysMask | XkbMouseKeysAccelMask))
if (clutter_keymap_get_num_lock_state (CLUTTER_KEYMAP (backend_x11->keymap)))
{
/* Disable mousekeys when NumLock is ON */
desc->ctrls->enabled_ctrls &= ~(XkbMouseKeysMask | XkbMouseKeysAccelMask);
}
else if (set_xkb_ctrl (desc, kbd_a11y_settings->controls,
CLUTTER_A11Y_MOUSE_KEYS_ENABLED, XkbMouseKeysMask | XkbMouseKeysAccelMask))
{
gint mk_max_speed;
gint mk_accel_time;