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backends: Split pad action mapping to a separate object

Browse Source 
This now lives in the core, and will get updated from events in the
UI thread.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
This commit is contained in:
Carlos Garnacho 2020-07-15 22:38:00 +02:00 committed by Marge Bot
parent d6f720497a
commit 5f30d1b8ac
9 changed files with 922 additions and 663 deletions
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11
src/backends/meta-input-settings-private.h
View File

@ -143,17 +143,6 @@ GSettings * meta_input_settings_get_tablet_settings (MetaInputSettings
MetaLogicalMonitor * meta_input_settings_get_tablet_logical_monitor (MetaInputSettings *settings, MetaLogicalMonitor * meta_input_settings_get_tablet_logical_monitor (MetaInputSettings *settings,
ClutterInputDevice *device); ClutterInputDevice *device);
gboolean meta_input_settings_is_pad_button_grabbed (MetaInputSettings *input_settings,
ClutterInputDevice *pad,
guint button);
gboolean meta_input_settings_handle_pad_event (MetaInputSettings *input_settings,
const ClutterEvent *event);
gchar * meta_input_settings_get_pad_action_label (MetaInputSettings *input_settings,
ClutterInputDevice *pad,
MetaPadActionType action,
guint number);
void meta_input_settings_maybe_save_numlock_state (MetaInputSettings *input_settings); void meta_input_settings_maybe_save_numlock_state (MetaInputSettings *input_settings);
void meta_input_settings_maybe_restore_numlock_state (MetaInputSettings *input_settings); void meta_input_settings_maybe_restore_numlock_state (MetaInputSettings *input_settings);

638
src/backends/meta-input-settings.c
View File

@ -81,18 +81,8 @@ struct _MetaInputSettingsPrivate
GHashTable *current_tools; GHashTable *current_tools;
ClutterVirtualInputDevice *virtual_pad_keyboard;
GHashTable *two_finger_devices; GHashTable *two_finger_devices;
/* Pad ring/strip emission */
struct {
ClutterInputDevice *pad;
MetaPadActionType action;
guint number;
gdouble value;
} last_pad_action_info;
/* For absolute devices with no mapping in settings */ /* For absolute devices with no mapping in settings */
MetaInputMapper *input_mapper; MetaInputMapper *input_mapper;
}; };
@ -111,15 +101,6 @@ typedef void (*ConfigUintFunc) (MetaInputSettings *input_settings,
ClutterInputDevice *device, ClutterInputDevice *device,
guint value); guint value);
typedef enum
{
META_PAD_DIRECTION_NONE = -1,
META_PAD_DIRECTION_UP = 0,
META_PAD_DIRECTION_DOWN,
META_PAD_DIRECTION_CW,
META_PAD_DIRECTION_CCW,
} MetaPadDirection;
G_DEFINE_TYPE_WITH_PRIVATE (MetaInputSettings, meta_input_settings, G_TYPE_OBJECT) G_DEFINE_TYPE_WITH_PRIVATE (MetaInputSettings, meta_input_settings, G_TYPE_OBJECT)
static GSList * static GSList *
@ -155,8 +136,6 @@ meta_input_settings_dispose (GObject *object)
g_signal_handlers_disconnect_by_data (priv->seat, settings); g_signal_handlers_disconnect_by_data (priv->seat, settings);
g_clear_object (&priv->virtual_pad_keyboard);
g_clear_object (&priv->mouse_settings); g_clear_object (&priv->mouse_settings);
g_clear_object (&priv->touchpad_settings); g_clear_object (&priv->touchpad_settings);
g_clear_object (&priv->trackball_settings); g_clear_object (&priv->trackball_settings);
@ -1587,63 +1566,6 @@ lookup_tool_settings (ClutterInputDeviceTool *tool,
return tool_settings; return tool_settings;
} }
static GSettings *
lookup_pad_action_settings (ClutterInputDevice *device,
MetaPadActionType action,
guint number,
MetaPadDirection direction,
gint mode)
{
const gchar *vendor, *product, *action_type, *detail_type = NULL;
GSettings *settings;
GString *path;
gchar action_label;
vendor = clutter_input_device_get_vendor_id (device);
product = clutter_input_device_get_product_id (device);
action_label = 'A' + number;
switch (action)
{
case META_PAD_ACTION_BUTTON:
action_type = "button";
break;
case META_PAD_ACTION_RING:
g_assert (direction == META_PAD_DIRECTION_CW ||
direction == META_PAD_DIRECTION_CCW);
action_type = "ring";
detail_type = (direction == META_PAD_DIRECTION_CW) ? "cw" : "ccw";
break;
case META_PAD_ACTION_STRIP:
g_assert (direction == META_PAD_DIRECTION_UP ||
direction == META_PAD_DIRECTION_DOWN);
action_type = "strip";
detail_type = (direction == META_PAD_DIRECTION_UP) ? "up" : "down";
break;
default:
return NULL;
}
path = g_string_new (NULL);
g_string_append_printf (path, "/org/gnome/desktop/peripherals/tablets/%s:%s/%s%c",
vendor, product, action_type, action_label);
if (detail_type)
g_string_append_printf (path, "-%s", detail_type);
if (mode >= 0)
g_string_append_printf (path, "-mode-%d", mode);
g_string_append_c (path, '/');
settings = g_settings_new_with_path ("org.gnome.desktop.peripherals.tablet.pad-button",
path->str);
g_string_free (path, TRUE);
return settings;
}
static void static void
monitors_changed_cb (MetaMonitorManager *monitor_manager, monitors_changed_cb (MetaMonitorManager *monitor_manager,
MetaInputSettings *input_settings) MetaInputSettings *input_settings)
@ -2196,566 +2118,6 @@ meta_input_settings_get_tablet_logical_monitor (MetaInputSettings *settings,
return logical_monitor; return logical_monitor;
} }
static GDesktopPadButtonAction
meta_input_settings_get_pad_button_action (MetaInputSettings *input_settings,
ClutterInputDevice *pad,
guint button)
{
GDesktopPadButtonAction action;
GSettings *settings;
g_return_val_if_fail (META_IS_INPUT_SETTINGS (input_settings),
G_DESKTOP_PAD_BUTTON_ACTION_NONE);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (pad),
G_DESKTOP_PAD_BUTTON_ACTION_NONE);
settings = lookup_pad_action_settings (pad, META_PAD_ACTION_BUTTON,
button, META_PAD_DIRECTION_NONE, -1);
action = g_settings_get_enum (settings, "action");
g_object_unref (settings);
return action;
}
static gboolean
cycle_logical_monitors (MetaInputSettings *settings,
gboolean skip_all_monitors,
MetaLogicalMonitor *current_logical_monitor,
MetaLogicalMonitor **next_logical_monitor)
{
MetaInputSettingsPrivate *priv =
meta_input_settings_get_instance_private (settings);
MetaMonitorManager *monitor_manager = priv->monitor_manager;
GList *logical_monitors;
/* We cycle between:
* - the span of all monitors (current_logical_monitor = NULL), only for
* non-integrated devices.
* - each monitor individually.
*/
logical_monitors =
meta_monitor_manager_get_logical_monitors (monitor_manager);
if (!current_logical_monitor)
{
*next_logical_monitor = logical_monitors->data;
}
else
{
GList *l;
l = g_list_find (logical_monitors, current_logical_monitor);
if (l->next)
*next_logical_monitor = l->next->data;
else if (skip_all_monitors)
*next_logical_monitor = logical_monitors->data;
else
*next_logical_monitor = NULL;
}
return TRUE;
}
static void
meta_input_settings_cycle_tablet_output (MetaInputSettings *input_settings,
ClutterInputDevice *device)
{
MetaInputSettingsPrivate *priv;
DeviceMappingInfo *info;
MetaLogicalMonitor *logical_monitor = NULL;
const gchar *edid[4] = { 0 }, *pretty_name = NULL;
gboolean is_integrated_device = FALSE;
#ifdef HAVE_LIBWACOM
WacomDevice *wacom_device;
#endif
g_return_if_fail (META_IS_INPUT_SETTINGS (input_settings));
g_return_if_fail (CLUTTER_IS_INPUT_DEVICE (device));
g_return_if_fail (clutter_input_device_get_device_type (device) == CLUTTER_TABLET_DEVICE ||
clutter_input_device_get_device_type (device) == CLUTTER_PAD_DEVICE);
priv = meta_input_settings_get_instance_private (input_settings);
info = g_hash_table_lookup (priv->mappable_devices, device);
g_return_if_fail (info != NULL);
#ifdef HAVE_LIBWACOM
wacom_device = meta_input_device_get_wacom_device (META_INPUT_DEVICE (device));
if (wacom_device)
{
pretty_name = libwacom_get_name (wacom_device);
is_integrated_device =
libwacom_get_integration_flags (wacom_device) != WACOM_DEVICE_INTEGRATED_NONE;
}
#endif
meta_input_settings_find_monitor (input_settings, info->settings, device,
NULL, &logical_monitor);
if (!cycle_logical_monitors (input_settings,
is_integrated_device,
logical_monitor,
&logical_monitor))
return;
if (logical_monitor)
{
MetaMonitor *monitor;
/* Pick an arbitrary monitor in the logical monitor to represent it. */
monitor = meta_logical_monitor_get_monitors (logical_monitor)->data;
edid[0] = meta_monitor_get_vendor (monitor);
edid[1] = meta_monitor_get_product (monitor);
edid[2] = meta_monitor_get_serial (monitor);
}
else
{
edid[0] = "";
edid[1] = "";
edid[2] = "";
}
g_settings_set_strv (info->settings, "output", edid);
meta_display_show_tablet_mapping_notification (meta_get_display (),
device, pretty_name);
}
static void
emulate_modifiers (ClutterVirtualInputDevice *device,
ClutterModifierType mods,
ClutterKeyState state)
{
guint i;
struct {
ClutterModifierType mod;
guint keyval;
} mod_map[] = {
{ CLUTTER_SHIFT_MASK, CLUTTER_KEY_Shift_L },
{ CLUTTER_CONTROL_MASK, CLUTTER_KEY_Control_L },
{ CLUTTER_MOD1_MASK, CLUTTER_KEY_Meta_L }
};
for (i = 0; i < G_N_ELEMENTS (mod_map); i++)
{
if ((mods & mod_map[i].mod) == 0)
continue;
clutter_virtual_input_device_notify_keyval (device,
clutter_get_current_event_time (),
mod_map[i].keyval, state);
}
}
static void
meta_input_settings_emulate_keybinding (MetaInputSettings *input_settings,
const gchar *accel,
gboolean is_press)
{
MetaInputSettingsPrivate *priv;
ClutterKeyState state;
guint key, mods;
if (!accel || !*accel)
return;
priv = meta_input_settings_get_instance_private (input_settings);
/* FIXME: This is appalling */
gtk_accelerator_parse (accel, &key, &mods);
if (!priv->virtual_pad_keyboard)
{
ClutterBackend *backend;
ClutterSeat *seat;
backend = clutter_get_default_backend ();
seat = clutter_backend_get_default_seat (backend);
priv->virtual_pad_keyboard =
clutter_seat_create_virtual_device (seat,
CLUTTER_KEYBOARD_DEVICE);
}
state = is_press ? CLUTTER_KEY_STATE_PRESSED : CLUTTER_KEY_STATE_RELEASED;
if (is_press)
emulate_modifiers (priv->virtual_pad_keyboard, mods, state);
clutter_virtual_input_device_notify_keyval (priv->virtual_pad_keyboard,
clutter_get_current_event_time (),
key, state);
if (!is_press)
emulate_modifiers (priv->virtual_pad_keyboard, mods, state);
}
gboolean
meta_input_settings_is_pad_button_grabbed (MetaInputSettings *input_settings,
ClutterInputDevice *pad,
guint button)
{
g_return_val_if_fail (META_IS_INPUT_SETTINGS (input_settings), FALSE);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (pad), FALSE);
g_return_val_if_fail (clutter_input_device_get_device_type (pad) ==
CLUTTER_PAD_DEVICE, FALSE);
return (meta_input_settings_get_pad_button_action (input_settings, pad, button) !=
G_DESKTOP_PAD_BUTTON_ACTION_NONE);
}
static gboolean
meta_input_settings_handle_pad_button (MetaInputSettings *input_settings,
ClutterInputDevice *pad,
const ClutterPadButtonEvent *event)
{
GDesktopPadButtonAction action;
gint button, group, mode;
gboolean is_press;
GSettings *settings;
gchar *accel;
g_return_val_if_fail (META_IS_INPUT_SETTINGS (input_settings), FALSE);
g_return_val_if_fail (event->type == CLUTTER_PAD_BUTTON_PRESS ||
event->type == CLUTTER_PAD_BUTTON_RELEASE, FALSE);
button = event->button;
mode = event->mode;
group = clutter_input_device_get_mode_switch_button_group (pad, button);
is_press = event->type == CLUTTER_PAD_BUTTON_PRESS;
if (is_press && group >= 0)
{
guint n_modes = clutter_input_device_get_group_n_modes (pad, group);
const gchar *pretty_name = NULL;
MetaInputSettingsPrivate *priv;
DeviceMappingInfo *info;
#ifdef HAVE_LIBWACOM
WacomDevice *wacom_device;
#endif
priv = meta_input_settings_get_instance_private (input_settings);
info = g_hash_table_lookup (priv->mappable_devices, pad);
#ifdef HAVE_LIBWACOM
wacom_device = meta_input_device_get_wacom_device (META_INPUT_DEVICE (pad));
if (wacom_device)
pretty_name = libwacom_get_name (wacom_device);
#endif
meta_display_notify_pad_group_switch (meta_get_display (), pad,
pretty_name, group, mode, n_modes);
info->group_modes[group] = mode;
}
action = meta_input_settings_get_pad_button_action (input_settings, pad, button);
switch (action)
{
case G_DESKTOP_PAD_BUTTON_ACTION_SWITCH_MONITOR:
if (is_press)
meta_input_settings_cycle_tablet_output (input_settings, pad);
return TRUE;
case G_DESKTOP_PAD_BUTTON_ACTION_HELP:
if (is_press)
meta_display_request_pad_osd (meta_get_display (), pad, FALSE);
return TRUE;
case G_DESKTOP_PAD_BUTTON_ACTION_KEYBINDING:
settings = lookup_pad_action_settings (pad, META_PAD_ACTION_BUTTON,
button, META_PAD_DIRECTION_NONE, -1);
accel = g_settings_get_string (settings, "keybinding");
meta_input_settings_emulate_keybinding (input_settings, accel, is_press);
g_object_unref (settings);
g_free (accel);
return TRUE;
case G_DESKTOP_PAD_BUTTON_ACTION_NONE:
default:
return FALSE;
}
}
static gboolean
meta_input_settings_handle_pad_action (MetaInputSettings *input_settings,
ClutterInputDevice *pad,
MetaPadActionType action,
guint number,
MetaPadDirection direction,
guint mode)
{
GSettings *settings;
gboolean handled = FALSE;
gchar *accel;
settings = lookup_pad_action_settings (pad, action, number, direction, mode);
accel = g_settings_get_string (settings, "keybinding");
if (accel && *accel)
{
meta_input_settings_emulate_keybinding (input_settings, accel, TRUE);
meta_input_settings_emulate_keybinding (input_settings, accel, FALSE);
handled = TRUE;
}
g_object_unref (settings);
g_free (accel);
return handled;
}
static gboolean
meta_input_settings_get_pad_action_direction (MetaInputSettings *input_settings,
const ClutterEvent *event,
MetaPadDirection *direction)
{
MetaInputSettingsPrivate *priv;
ClutterInputDevice *pad = clutter_event_get_device (event);
MetaPadActionType pad_action;
gboolean has_direction = FALSE;
MetaPadDirection inc_dir, dec_dir;
guint number;
gdouble value;
priv = meta_input_settings_get_instance_private (input_settings);
*direction = META_PAD_DIRECTION_NONE;
switch (event->type)
{
case CLUTTER_PAD_RING:
pad_action = META_PAD_ACTION_RING;
number = event->pad_ring.ring_number;
value = event->pad_ring.angle;
inc_dir = META_PAD_DIRECTION_CW;
dec_dir = META_PAD_DIRECTION_CCW;
break;
case CLUTTER_PAD_STRIP:
pad_action = META_PAD_ACTION_STRIP;
number = event->pad_strip.strip_number;
value = event->pad_strip.value;
inc_dir = META_PAD_DIRECTION_DOWN;
dec_dir = META_PAD_DIRECTION_UP;
break;
default:
return FALSE;
}
if (priv->last_pad_action_info.pad == pad &&
priv->last_pad_action_info.action == pad_action &&
priv->last_pad_action_info.number == number &&
value >= 0 && priv->last_pad_action_info.value >= 0)
{
*direction = (value - priv->last_pad_action_info.value) > 0 ?
inc_dir : dec_dir;
has_direction = TRUE;
}
priv->last_pad_action_info.pad = pad;
priv->last_pad_action_info.action = pad_action;
priv->last_pad_action_info.number = number;
priv->last_pad_action_info.value = value;
return has_direction;
}
gboolean
meta_input_settings_handle_pad_event (MetaInputSettings *input_settings,
const ClutterEvent *event)
{
ClutterInputDevice *pad;
MetaPadDirection direction = META_PAD_DIRECTION_NONE;
pad = clutter_event_get_source_device ((ClutterEvent *) event);
switch (event->type)
{
case CLUTTER_PAD_BUTTON_PRESS:
case CLUTTER_PAD_BUTTON_RELEASE:
return meta_input_settings_handle_pad_button (input_settings, pad,
&event->pad_button);
case CLUTTER_PAD_RING:
if (!meta_input_settings_get_pad_action_direction (input_settings,
event, &direction))
return FALSE;
return meta_input_settings_handle_pad_action (input_settings, pad,
META_PAD_ACTION_RING,
event->pad_ring.ring_number,
direction,
event->pad_ring.mode);
case CLUTTER_PAD_STRIP:
if (!meta_input_settings_get_pad_action_direction (input_settings,
event, &direction))
return FALSE;
return meta_input_settings_handle_pad_action (input_settings, pad,
META_PAD_ACTION_STRIP,
event->pad_strip.strip_number,
direction,
event->pad_strip.mode);
default:
return FALSE;
}
}
static gchar *
compose_directional_action_label (GSettings *direction1,
GSettings *direction2)
{
gchar *accel1, *accel2, *str = NULL;
accel1 = g_settings_get_string (direction1, "keybinding");
accel2 = g_settings_get_string (direction2, "keybinding");
if (accel1 && *accel1 && accel2 && *accel2)
str = g_strdup_printf ("%s / %s", accel1, accel2);
g_free (accel1);
g_free (accel2);
return str;
}
static gchar *
meta_input_settings_get_ring_label (MetaInputSettings *settings,
ClutterInputDevice *pad,
guint number,
guint mode)
{
GSettings *settings1, *settings2;
gchar *label;
/* We only allow keybinding actions with those */
settings1 = lookup_pad_action_settings (pad, META_PAD_ACTION_RING, number,
META_PAD_DIRECTION_CW, mode);
settings2 = lookup_pad_action_settings (pad, META_PAD_ACTION_RING, number,
META_PAD_DIRECTION_CCW, mode);
label = compose_directional_action_label (settings1, settings2);
g_object_unref (settings1);
g_object_unref (settings2);
return label;
}
static gchar *
meta_input_settings_get_strip_label (MetaInputSettings *settings,
ClutterInputDevice *pad,
guint number,
guint mode)
{
GSettings *settings1, *settings2;
gchar *label;
/* We only allow keybinding actions with those */
settings1 = lookup_pad_action_settings (pad, META_PAD_ACTION_STRIP, number,
META_PAD_DIRECTION_UP, mode);
settings2 = lookup_pad_action_settings (pad, META_PAD_ACTION_STRIP, number,
META_PAD_DIRECTION_DOWN, mode);
label = compose_directional_action_label (settings1, settings2);
g_object_unref (settings1);
g_object_unref (settings2);
return label;
}
static gchar *
meta_input_settings_get_button_label (MetaInputSettings *input_settings,
ClutterInputDevice *pad,
guint button)
{
GDesktopPadButtonAction action;
gint group;
g_return_val_if_fail (META_IS_INPUT_SETTINGS (input_settings), NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (pad), NULL);
g_return_val_if_fail (clutter_input_device_get_device_type (pad) ==
CLUTTER_PAD_DEVICE, NULL);
group = clutter_input_device_get_mode_switch_button_group (pad, button);
if (group >= 0)
{
/* TRANSLATORS: This string refers to a button that switches between
* different modes.
*/
return g_strdup_printf (_("Mode Switch (Group %d)"), group);
}
action = meta_input_settings_get_pad_button_action (input_settings, pad, button);
switch (action)
{
case G_DESKTOP_PAD_BUTTON_ACTION_KEYBINDING:
{
GSettings *settings;
gchar *accel;
settings = lookup_pad_action_settings (pad, META_PAD_ACTION_BUTTON,
button, META_PAD_DIRECTION_NONE, -1);
accel = g_settings_get_string (settings, "keybinding");
g_object_unref (settings);
return accel;
}
case G_DESKTOP_PAD_BUTTON_ACTION_SWITCH_MONITOR:
/* TRANSLATORS: This string refers to an action, cycles drawing tablets'
* mapping through the available outputs.
*/
return g_strdup (_("Switch monitor"));
case G_DESKTOP_PAD_BUTTON_ACTION_HELP:
return g_strdup (_("Show on-screen help"));
case G_DESKTOP_PAD_BUTTON_ACTION_NONE:
default:
return NULL;
}
}
static guint
get_current_pad_mode (MetaInputSettings *input_settings,
ClutterInputDevice *pad,
MetaPadActionType action_type,
guint number)
{
MetaInputSettingsPrivate *priv;
DeviceMappingInfo *info;
guint group = 0, n_groups;
priv = meta_input_settings_get_instance_private (input_settings);
info = g_hash_table_lookup (priv->mappable_devices, pad);
n_groups = clutter_input_device_get_n_mode_groups (pad);
if (!info->group_modes || n_groups == 0)
return 0;
if (action_type == META_PAD_ACTION_RING ||
action_type == META_PAD_ACTION_STRIP)
{
/* Assume features are evenly distributed in groups */
group = number % n_groups;
}
return info->group_modes[group];
}
gchar *
meta_input_settings_get_pad_action_label (MetaInputSettings *input_settings,
ClutterInputDevice *pad,
MetaPadActionType action_type,
guint number)
{
guint mode;
switch (action_type)
{
case META_PAD_ACTION_BUTTON:
return meta_input_settings_get_button_label (input_settings, pad, number);
case META_PAD_ACTION_RING:
mode = get_current_pad_mode (input_settings, pad, action_type, number);
return meta_input_settings_get_ring_label (input_settings, pad,
number, mode);
case META_PAD_ACTION_STRIP:
mode = get_current_pad_mode (input_settings, pad, action_type, number);
return meta_input_settings_get_strip_label (input_settings, pad,
number, mode);
}
return NULL;
}
void void
meta_input_settings_maybe_save_numlock_state (MetaInputSettings *input_settings) meta_input_settings_maybe_save_numlock_state (MetaInputSettings *input_settings)
{ {

2
src/core/display-private.h
View File

@ -38,6 +38,7 @@
#include "clutter/clutter.h" #include "clutter/clutter.h"
#include "core/keybindings-private.h" #include "core/keybindings-private.h"
#include "core/meta-gesture-tracker-private.h" #include "core/meta-gesture-tracker-private.h"
#include "core/meta-pad-action-mapper.h"
#include "core/stack-tracker.h" #include "core/stack-tracker.h"
#include "core/startup-notification-private.h" #include "core/startup-notification-private.h"
#include "meta/barrier.h" #include "meta/barrier.h"
@ -211,6 +212,7 @@ struct _MetaDisplay
ClutterEventSequence *pointer_emulating_sequence; ClutterEventSequence *pointer_emulating_sequence;
ClutterActor *current_pad_osd; ClutterActor *current_pad_osd;
MetaPadActionMapper *pad_action_mapper;
MetaStartupNotification *startup_notification; MetaStartupNotification *startup_notification;

9
src/core/display.c
View File

@ -854,6 +854,8 @@ meta_display_open (void)
g_signal_connect (monitor_manager, "monitors-changed-internal", g_signal_connect (monitor_manager, "monitors-changed-internal",
G_CALLBACK (on_monitors_changed_internal), display); G_CALLBACK (on_monitors_changed_internal), display);
display->pad_action_mapper = meta_pad_action_mapper_new (monitor_manager);
settings = meta_backend_get_settings (backend); settings = meta_backend_get_settings (backend);
g_signal_connect (settings, "ui-scaling-factor-changed", g_signal_connect (settings, "ui-scaling-factor-changed",
G_CALLBACK (on_ui_scaling_factor_changed), display); G_CALLBACK (on_ui_scaling_factor_changed), display);
@ -1119,6 +1121,7 @@ meta_display_close (MetaDisplay *display,
meta_clipboard_manager_shutdown (display); meta_clipboard_manager_shutdown (display);
g_clear_object (&display->selection); g_clear_object (&display->selection);
g_clear_object (&display->pad_action_mapper);
g_object_unref (display); g_object_unref (display);
the_display = NULL; the_display = NULL;
@ -2961,12 +2964,12 @@ meta_display_get_pad_action_label (MetaDisplay *display,
MetaPadActionType action_type, MetaPadActionType action_type,
guint action_number) guint action_number)
{ {
MetaInputSettings *settings;
gchar *label; gchar *label;
/* First, lookup the action, as imposed by settings */ /* First, lookup the action, as imposed by settings */
settings = meta_backend_get_input_settings (meta_get_backend ()); label = meta_pad_action_mapper_get_action_label (display->pad_action_mapper,
label = meta_input_settings_get_pad_action_label (settings, pad, action_type, action_number); pad, action_type,
action_number);
if (label) if (label)
return label; return label;

3
src/core/events.c
View File

@ -265,8 +265,7 @@ meta_display_handle_event (MetaDisplay *display,
handle_pad_event = !display->current_pad_osd || is_mode_switch; handle_pad_event = !display->current_pad_osd || is_mode_switch;
if (handle_pad_event && if (handle_pad_event &&
meta_input_settings_handle_pad_event (meta_backend_get_input_settings (backend), meta_pad_action_mapper_handle_event (display->pad_action_mapper, event))
event))
{ {
bypass_wayland = bypass_clutter = TRUE; bypass_wayland = bypass_clutter = TRUE;
goto out; goto out;

858
src/core/meta-pad-action-mapper.c Normal file
View File

@ -0,0 +1,858 @@
/*
* Copyright (C) 2014-2020 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by:
* Carlos Garnacho <carlosg@gnome.org>
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include <gsettings-desktop-schemas/gdesktop-enums.h>
#ifdef HAVE_LIBWACOM
#include <libwacom/libwacom.h>
#endif
#include "core/meta-pad-action-mapper.h"
#include "backends/meta-input-device-private.h"
#include "backends/meta-logical-monitor.h"
#include "backends/meta-monitor.h"
#include "core/display-private.h"
typedef struct _PadMappingInfo PadMappingInfo;
struct _PadMappingInfo
{
ClutterInputDevice *device;
GSettings *settings;
guint *group_modes;
};
typedef enum
{
META_PAD_DIRECTION_NONE = -1,
META_PAD_DIRECTION_UP = 0,
META_PAD_DIRECTION_DOWN,
META_PAD_DIRECTION_CW,
META_PAD_DIRECTION_CCW,
} MetaPadDirection;
struct _MetaPadActionMapper
{
GObject parent_class;
GHashTable *pads;
ClutterSeat *seat;
ClutterVirtualInputDevice *virtual_pad_keyboard;
MetaMonitorManager *monitor_manager;
/* Pad ring/strip emission */
struct {
ClutterInputDevice *pad;
MetaPadActionType action;
guint number;
double value;
} last_pad_action_info;
};
G_DEFINE_TYPE (MetaPadActionMapper, meta_pad_action_mapper, G_TYPE_OBJECT)
static void
meta_pad_action_mapper_finalize (GObject *object)
{
MetaPadActionMapper *mapper = META_PAD_ACTION_MAPPER (object);
g_hash_table_unref (mapper->pads);
g_object_unref (mapper->monitor_manager);
g_clear_object (&mapper->virtual_pad_keyboard);
G_OBJECT_CLASS (meta_pad_action_mapper_parent_class)->finalize (object);
}
static void
meta_pad_action_mapper_class_init (MetaPadActionMapperClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_pad_action_mapper_finalize;
}
static GSettings *
lookup_device_settings (ClutterInputDevice *device)
{
const char *vendor, *product;
GSettings *settings;
char *path;
vendor = clutter_input_device_get_vendor_id (device);
product = clutter_input_device_get_product_id (device);
path = g_strdup_printf ("/org/gnome/desktop/peripherals/tablets/%s:%s/",
vendor, product);
settings = g_settings_new_with_path ("org.gnome.desktop.peripherals.tablet",
path);
g_free (path);
return settings;
}
static PadMappingInfo *
pad_mapping_info_new (ClutterInputDevice *pad)
{
PadMappingInfo *info;
info = g_new0 (PadMappingInfo, 1);
info->device = pad;
info->settings = lookup_device_settings (pad);
info->group_modes =
g_new0 (guint, clutter_input_device_get_n_mode_groups (pad));
return info;
}
static void
pad_mapping_info_free (PadMappingInfo *info)
{
g_object_unref (info->settings);
g_free (info->group_modes);
g_free (info);
}
static void
device_added (ClutterSeat *seat,
ClutterInputDevice *device,
MetaPadActionMapper *mapper)
{
PadMappingInfo *info;
if (clutter_input_device_get_device_type (device) == CLUTTER_PAD_DEVICE)
{
info = pad_mapping_info_new (device);
g_hash_table_insert (mapper->pads, device, info);
}
}
static void
device_removed (ClutterSeat *seat,
ClutterInputDevice *device,
MetaPadActionMapper *mapper)
{
g_hash_table_remove (mapper->pads, device);
}
static void
meta_pad_action_mapper_init (MetaPadActionMapper *mapper)
{
mapper->pads = g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) pad_mapping_info_free);
mapper->seat = clutter_backend_get_default_seat (clutter_get_default_backend ());
g_signal_connect (mapper->seat, "device-added",
G_CALLBACK (device_added), mapper);
g_signal_connect (mapper->seat, "device-removed",
G_CALLBACK (device_removed), mapper);
}
MetaPadActionMapper *
meta_pad_action_mapper_new (MetaMonitorManager *monitor_manager)
{
MetaPadActionMapper *action_mapper;
action_mapper = g_object_new (META_TYPE_PAD_ACTION_MAPPER, NULL);
g_set_object (&action_mapper->monitor_manager, monitor_manager);
return action_mapper;
}
static GSettings *
lookup_pad_action_settings (ClutterInputDevice *device,
MetaPadActionType action,
guint number,
MetaPadDirection direction,
int mode)
{
const char *vendor, *product, *action_type, *detail_type = NULL;
GSettings *settings;
GString *path;
char action_label;
vendor = clutter_input_device_get_vendor_id (device);
product = clutter_input_device_get_product_id (device);
action_label = 'A' + number;
switch (action)
{
case META_PAD_ACTION_BUTTON:
action_type = "button";
break;
case META_PAD_ACTION_RING:
g_assert (direction == META_PAD_DIRECTION_CW ||
direction == META_PAD_DIRECTION_CCW);
action_type = "ring";
detail_type = (direction == META_PAD_DIRECTION_CW) ? "cw" : "ccw";
break;
case META_PAD_ACTION_STRIP:
g_assert (direction == META_PAD_DIRECTION_UP ||
direction == META_PAD_DIRECTION_DOWN);
action_type = "strip";
detail_type = (direction == META_PAD_DIRECTION_UP) ? "up" : "down";
break;
default:
return NULL;
}
path = g_string_new (NULL);
g_string_append_printf (path, "/org/gnome/desktop/peripherals/tablets/%s:%s/%s%c",
vendor, product, action_type, action_label);
if (detail_type)
g_string_append_printf (path, "-%s", detail_type);
if (mode >= 0)
g_string_append_printf (path, "-mode-%d", mode);
g_string_append_c (path, '/');
settings = g_settings_new_with_path ("org.gnome.desktop.peripherals.tablet.pad-button",
path->str);
g_string_free (path, TRUE);
return settings;
}
static GDesktopPadButtonAction
meta_pad_action_mapper_get_button_action (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
guint button)
{
GDesktopPadButtonAction action;
GSettings *settings;
g_return_val_if_fail (META_IS_PAD_ACTION_MAPPER (mapper),
G_DESKTOP_PAD_BUTTON_ACTION_NONE);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (pad),
G_DESKTOP_PAD_BUTTON_ACTION_NONE);
settings = lookup_pad_action_settings (pad, META_PAD_ACTION_BUTTON,
button, META_PAD_DIRECTION_NONE, -1);
action = g_settings_get_enum (settings, "action");
g_object_unref (settings);
return action;
}
static gboolean
cycle_logical_monitors (MetaPadActionMapper *mapper,
gboolean skip_all_monitors,
MetaLogicalMonitor *current_logical_monitor,
MetaLogicalMonitor **next_logical_monitor)
{
MetaMonitorManager *monitor_manager = mapper->monitor_manager;
GList *logical_monitors;
/* We cycle between:
* - the span of all monitors (current_output = NULL), only for
* non-integrated devices.
* - each monitor individually.
*/
logical_monitors =
meta_monitor_manager_get_logical_monitors (monitor_manager);
if (!current_logical_monitor)
{
*next_logical_monitor = logical_monitors->data;
}
else
{
GList *l;
l = g_list_find (logical_monitors, current_logical_monitor);
if (l->next)
*next_logical_monitor = l->next->data;
else if (skip_all_monitors)
*next_logical_monitor = logical_monitors->data;
else
*next_logical_monitor = NULL;
}
return TRUE;
}
static MetaMonitor *
logical_monitor_find_monitor (MetaLogicalMonitor *logical_monitor,
const char *vendor,
const char *product,
const char *serial)
{
GList *monitors;
GList *l;
monitors = meta_logical_monitor_get_monitors (logical_monitor);
for (l = monitors; l; l = l->next)
{
MetaMonitor *monitor = l->data;
if (g_strcmp0 (meta_monitor_get_vendor (monitor), vendor) == 0 &&
g_strcmp0 (meta_monitor_get_product (monitor), product) == 0 &&
g_strcmp0 (meta_monitor_get_serial (monitor), serial) == 0)
return monitor;
}
return NULL;
}
static void
meta_pad_action_mapper_find_monitor (MetaPadActionMapper *mapper,
GSettings *settings,
ClutterInputDevice *device,
MetaMonitor **out_monitor,
MetaLogicalMonitor **out_logical_monitor)
{
MetaMonitorManager *monitor_manager;
MetaMonitor *monitor;
guint n_values;
GList *logical_monitors;
GList *l;
char **edid;
edid = g_settings_get_strv (settings, "output");
n_values = g_strv_length (edid);
if (n_values != 3)
{
g_warning ("EDID configuration for device '%s' "
"is incorrect, must have 3 values",
clutter_input_device_get_device_name (device));
goto out;
}
if (!*edid[0] && !*edid[1] && !*edid[2])
goto out;
monitor_manager = mapper->monitor_manager;
logical_monitors =
meta_monitor_manager_get_logical_monitors (monitor_manager);
for (l = logical_monitors; l; l = l->next)
{
MetaLogicalMonitor *logical_monitor = l->data;
monitor = logical_monitor_find_monitor (logical_monitor,
edid[0], edid[1], edid[2]);
if (monitor)
{
if (out_monitor)
*out_monitor = monitor;
if (out_logical_monitor)
*out_logical_monitor = logical_monitor;
break;
}
}
out:
g_strfreev (edid);
}
static void
meta_pad_action_mapper_cycle_tablet_output (MetaPadActionMapper *mapper,
ClutterInputDevice *device)
{
PadMappingInfo *info;
MetaLogicalMonitor *logical_monitor = NULL;
const char *edid[4] = { 0 }, *pretty_name = NULL;
gboolean is_integrated_device = FALSE;
#ifdef HAVE_LIBWACOM
WacomDevice *wacom_device;
#endif
g_return_if_fail (META_IS_PAD_ACTION_MAPPER (mapper));
g_return_if_fail (CLUTTER_IS_INPUT_DEVICE (device));
g_return_if_fail (clutter_input_device_get_device_type (device) == CLUTTER_TABLET_DEVICE ||
clutter_input_device_get_device_type (device) == CLUTTER_PAD_DEVICE);
info = g_hash_table_lookup (mapper->pads, device);
g_return_if_fail (info != NULL);
#ifdef HAVE_LIBWACOM
wacom_device = meta_input_device_get_wacom_device (META_INPUT_DEVICE (device));
if (wacom_device)
{
pretty_name = libwacom_get_name (wacom_device);
is_integrated_device =
libwacom_get_integration_flags (wacom_device) != WACOM_DEVICE_INTEGRATED_NONE;
}
#endif
meta_pad_action_mapper_find_monitor (mapper, info->settings, device,
NULL, &logical_monitor);
if (!cycle_logical_monitors (mapper,
is_integrated_device,
logical_monitor,
&logical_monitor))
return;
if (logical_monitor)
{
MetaMonitor *monitor;
/* Pick an arbitrary monitor in the logical monitor to represent it. */
monitor = meta_logical_monitor_get_monitors (logical_monitor)->data;
edid[0] = meta_monitor_get_vendor (monitor);
edid[1] = meta_monitor_get_product (monitor);
edid[2] = meta_monitor_get_serial (monitor);
}
else
{
edid[0] = "";
edid[1] = "";
edid[2] = "";
}
g_settings_set_strv (info->settings, "output", edid);
meta_display_show_tablet_mapping_notification (meta_get_display (),
device, pretty_name);
}
gboolean
meta_pad_action_mapper_is_button_grabbed (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
guint button)
{
g_return_val_if_fail (META_IS_PAD_ACTION_MAPPER (mapper), FALSE);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (pad), FALSE);
g_return_val_if_fail (clutter_input_device_get_device_type (pad) ==
CLUTTER_PAD_DEVICE, FALSE);
return (meta_pad_action_mapper_get_button_action (mapper, pad, button) !=
G_DESKTOP_PAD_BUTTON_ACTION_NONE);
}
static void
emulate_modifiers (ClutterVirtualInputDevice *device,
ClutterModifierType mods,
ClutterKeyState state)
{
guint i;
struct {
ClutterModifierType mod;
guint keyval;
} mod_map[] = {
{ CLUTTER_SHIFT_MASK, CLUTTER_KEY_Shift_L },
{ CLUTTER_CONTROL_MASK, CLUTTER_KEY_Control_L },
{ CLUTTER_MOD1_MASK, CLUTTER_KEY_Meta_L }
};
for (i = 0; i < G_N_ELEMENTS (mod_map); i++)
{
if ((mods & mod_map[i].mod) == 0)
continue;
clutter_virtual_input_device_notify_keyval (device,
clutter_get_current_event_time (),
mod_map[i].keyval, state);
}
}
static void
meta_pad_action_mapper_emulate_keybinding (MetaPadActionMapper *mapper,
const char *accel,
gboolean is_press)
{
ClutterKeyState state;
guint key, mods;
if (!accel || !*accel)
return;
/* FIXME: This is appalling */
gtk_accelerator_parse (accel, &key, &mods);
if (!mapper->virtual_pad_keyboard)
{
ClutterBackend *backend;
ClutterSeat *seat;
backend = clutter_get_default_backend ();
seat = clutter_backend_get_default_seat (backend);
mapper->virtual_pad_keyboard =
clutter_seat_create_virtual_device (seat,
CLUTTER_KEYBOARD_DEVICE);
}
state = is_press ? CLUTTER_KEY_STATE_PRESSED : CLUTTER_KEY_STATE_RELEASED;
if (is_press)
emulate_modifiers (mapper->virtual_pad_keyboard, mods, state);
clutter_virtual_input_device_notify_keyval (mapper->virtual_pad_keyboard,
clutter_get_current_event_time (),
key, state);
if (!is_press)
emulate_modifiers (mapper->virtual_pad_keyboard, mods, state);
}
static gboolean
meta_pad_action_mapper_handle_button (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
const ClutterPadButtonEvent *event)
{
GDesktopPadButtonAction action;
int button, group, mode;
gboolean is_press;
GSettings *settings;
char *accel;
g_return_val_if_fail (META_IS_PAD_ACTION_MAPPER (mapper), FALSE);
g_return_val_if_fail (event->type == CLUTTER_PAD_BUTTON_PRESS ||
event->type == CLUTTER_PAD_BUTTON_RELEASE, FALSE);
button = event->button;
mode = event->mode;
group = clutter_input_device_get_mode_switch_button_group (pad, button);
is_press = event->type == CLUTTER_PAD_BUTTON_PRESS;
if (is_press && group >= 0)
{
guint n_modes = clutter_input_device_get_group_n_modes (pad, group);
const char *pretty_name = NULL;
PadMappingInfo *info;
#ifdef HAVE_LIBWACOM
WacomDevice *wacom_device;
#endif
info = g_hash_table_lookup (mapper->pads, pad);
#ifdef HAVE_LIBWACOM
wacom_device = meta_input_device_get_wacom_device (META_INPUT_DEVICE (pad));
if (wacom_device)
pretty_name = libwacom_get_name (wacom_device);
#endif
meta_display_notify_pad_group_switch (meta_get_display (), pad,
pretty_name, group, mode, n_modes);
info->group_modes[group] = mode;
}
action = meta_pad_action_mapper_get_button_action (mapper, pad, button);
switch (action)
{
case G_DESKTOP_PAD_BUTTON_ACTION_SWITCH_MONITOR:
if (is_press)
meta_pad_action_mapper_cycle_tablet_output (mapper, pad);
return TRUE;
case G_DESKTOP_PAD_BUTTON_ACTION_HELP:
if (is_press)
meta_display_request_pad_osd (meta_get_display (), pad, FALSE);
return TRUE;
case G_DESKTOP_PAD_BUTTON_ACTION_KEYBINDING:
settings = lookup_pad_action_settings (pad, META_PAD_ACTION_BUTTON,
button, META_PAD_DIRECTION_NONE, -1);
accel = g_settings_get_string (settings, "keybinding");
meta_pad_action_mapper_emulate_keybinding (mapper, accel, is_press);
g_object_unref (settings);
g_free (accel);
return TRUE;
case G_DESKTOP_PAD_BUTTON_ACTION_NONE:
default:
return FALSE;
}
}
static gboolean
meta_pad_action_mapper_handle_action (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
MetaPadActionType action,
guint number,
MetaPadDirection direction,
guint mode)
{
GSettings *settings;
gboolean handled = FALSE;
char *accel;
settings = lookup_pad_action_settings (pad, action, number, direction, mode);
accel = g_settings_get_string (settings, "keybinding");
if (accel && *accel)
{
meta_pad_action_mapper_emulate_keybinding (mapper, accel, TRUE);
meta_pad_action_mapper_emulate_keybinding (mapper, accel, FALSE);
handled = TRUE;
}
g_object_unref (settings);
g_free (accel);
return handled;
}
static gboolean
meta_pad_action_mapper_get_action_direction (MetaPadActionMapper *mapper,
const ClutterEvent *event,
MetaPadDirection *direction)
{
ClutterInputDevice *pad = clutter_event_get_device (event);
MetaPadActionType pad_action;
gboolean has_direction = FALSE;
MetaPadDirection inc_dir, dec_dir;
guint number;
double value;
*direction = META_PAD_DIRECTION_NONE;
switch (event->type)
{
case CLUTTER_PAD_RING:
pad_action = META_PAD_ACTION_RING;
number = event->pad_ring.ring_number;
value = event->pad_ring.angle;
inc_dir = META_PAD_DIRECTION_CW;
dec_dir = META_PAD_DIRECTION_CCW;
break;
case CLUTTER_PAD_STRIP:
pad_action = META_PAD_ACTION_STRIP;
number = event->pad_strip.strip_number;
value = event->pad_strip.value;
inc_dir = META_PAD_DIRECTION_DOWN;
dec_dir = META_PAD_DIRECTION_UP;
break;
default:
return FALSE;
}
if (mapper->last_pad_action_info.pad == pad &&
mapper->last_pad_action_info.action == pad_action &&
mapper->last_pad_action_info.number == number &&
value >= 0 && mapper->last_pad_action_info.value >= 0)
{
*direction = (value - mapper->last_pad_action_info.value) > 0 ?
inc_dir : dec_dir;
has_direction = TRUE;
}
mapper->last_pad_action_info.pad = pad;
mapper->last_pad_action_info.action = pad_action;
mapper->last_pad_action_info.number = number;
mapper->last_pad_action_info.value = value;
return has_direction;
}
gboolean
meta_pad_action_mapper_handle_event (MetaPadActionMapper *mapper,
const ClutterEvent *event)
{
ClutterInputDevice *pad;
MetaPadDirection direction = META_PAD_DIRECTION_NONE;
pad = clutter_event_get_source_device ((ClutterEvent *) event);
switch (event->type)
{
case CLUTTER_PAD_BUTTON_PRESS:
case CLUTTER_PAD_BUTTON_RELEASE:
return meta_pad_action_mapper_handle_button (mapper, pad,
&event->pad_button);
case CLUTTER_PAD_RING:
if (!meta_pad_action_mapper_get_action_direction (mapper,
event, &direction))
return FALSE;
return meta_pad_action_mapper_handle_action (mapper, pad,
META_PAD_ACTION_RING,
event->pad_ring.ring_number,
direction,
event->pad_ring.mode);
case CLUTTER_PAD_STRIP:
if (!meta_pad_action_mapper_get_action_direction (mapper,
event, &direction))
return FALSE;
return meta_pad_action_mapper_handle_action (mapper, pad,
META_PAD_ACTION_STRIP,
event->pad_strip.strip_number,
direction,
event->pad_strip.mode);
default:
return FALSE;
}
}
static char *
compose_directional_action_label (GSettings *direction1,
GSettings *direction2)
{
char *accel1, *accel2, *str = NULL;
accel1 = g_settings_get_string (direction1, "keybinding");
accel2 = g_settings_get_string (direction2, "keybinding");
if (accel1 && *accel1 && accel2 && *accel2)
str = g_strdup_printf ("%s / %s", accel1, accel2);
g_free (accel1);
g_free (accel2);
return str;
}
static char *
meta_pad_action_mapper_get_ring_label (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
guint number,
guint mode)
{
GSettings *settings1, *settings2;
char *label;
/* We only allow keybinding actions with those */
settings1 = lookup_pad_action_settings (pad, META_PAD_ACTION_RING, number,
META_PAD_DIRECTION_CW, mode);
settings2 = lookup_pad_action_settings (pad, META_PAD_ACTION_RING, number,
META_PAD_DIRECTION_CCW, mode);
label = compose_directional_action_label (settings1, settings2);
g_object_unref (settings1);
g_object_unref (settings2);
return label;
}
static char *
meta_pad_action_mapper_get_strip_label (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
guint number,
guint mode)
{
GSettings *settings1, *settings2;
char *label;
/* We only allow keybinding actions with those */
settings1 = lookup_pad_action_settings (pad, META_PAD_ACTION_STRIP, number,
META_PAD_DIRECTION_UP, mode);
settings2 = lookup_pad_action_settings (pad, META_PAD_ACTION_STRIP, number,
META_PAD_DIRECTION_DOWN, mode);
label = compose_directional_action_label (settings1, settings2);
g_object_unref (settings1);
g_object_unref (settings2);
return label;
}
static char *
meta_pad_action_mapper_get_button_label (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
guint button)
{
GDesktopPadButtonAction action;
int group;
g_return_val_if_fail (META_IS_PAD_ACTION_MAPPER (mapper), NULL);
g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (pad), NULL);
g_return_val_if_fail (clutter_input_device_get_device_type (pad) ==
CLUTTER_PAD_DEVICE, NULL);
group = clutter_input_device_get_mode_switch_button_group (pad, button);
if (group >= 0)
{
/* TRANSLATORS: This string refers to a button that switches between
* different modes.
*/
return g_strdup_printf (_("Mode Switch (Group %d)"), group);
}
action = meta_pad_action_mapper_get_button_action (mapper, pad, button);
switch (action)
{
case G_DESKTOP_PAD_BUTTON_ACTION_KEYBINDING:
{
GSettings *settings;
char *accel;
settings = lookup_pad_action_settings (pad, META_PAD_ACTION_BUTTON,
button, META_PAD_DIRECTION_NONE, -1);
accel = g_settings_get_string (settings, "keybinding");
g_object_unref (settings);
return accel;
}
case G_DESKTOP_PAD_BUTTON_ACTION_SWITCH_MONITOR:
/* TRANSLATORS: This string refers to an action, cycles drawing tablets'
* mapping through the available outputs.
*/
return g_strdup (_("Switch monitor"));
case G_DESKTOP_PAD_BUTTON_ACTION_HELP:
return g_strdup (_("Show on-screen help"));
case G_DESKTOP_PAD_BUTTON_ACTION_NONE:
default:
return NULL;
}
}
static guint
get_current_pad_mode (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
MetaPadActionType action_type,
guint number)
{
PadMappingInfo *info;
guint group = 0, n_groups;
info = g_hash_table_lookup (mapper->pads, pad);
n_groups = clutter_input_device_get_n_mode_groups (pad);
if (!info->group_modes || n_groups == 0)
return 0;
if (action_type == META_PAD_ACTION_RING ||
action_type == META_PAD_ACTION_STRIP)
{
/* Assume features are evenly distributed in groups */
group = number % n_groups;
}
return info->group_modes[group];
}
char *
meta_pad_action_mapper_get_action_label (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
MetaPadActionType action_type,
guint number)
{
guint mode;
switch (action_type)
{
case META_PAD_ACTION_BUTTON:
return meta_pad_action_mapper_get_button_label (mapper, pad, number);
case META_PAD_ACTION_RING:
mode = get_current_pad_mode (mapper, pad, action_type, number);
return meta_pad_action_mapper_get_ring_label (mapper, pad, number, mode);
case META_PAD_ACTION_STRIP:
mode = get_current_pad_mode (mapper, pad, action_type, number);
return meta_pad_action_mapper_get_strip_label (mapper, pad, number, mode);
}
return NULL;
}

46
src/core/meta-pad-action-mapper.h Normal file
View File

@ -0,0 +1,46 @@
/*
* Copyright (C) 2020 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by:
* Carlos Garnacho <carlosg@gnome.org>
*/
#ifndef META_PAD_ACTION_MAPPER_H
#define META_PAD_ACTION_MAPPER_H
#include "clutter/clutter.h"
#include "meta/display.h"
#include "meta/meta-monitor-manager.h"
#define META_TYPE_PAD_ACTION_MAPPER (meta_pad_action_mapper_get_type ())
G_DECLARE_FINAL_TYPE (MetaPadActionMapper, meta_pad_action_mapper,
META, PAD_ACTION_MAPPER, GObject)
MetaPadActionMapper * meta_pad_action_mapper_new (MetaMonitorManager *monitor_manager);
gboolean meta_pad_action_mapper_is_button_grabbed (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
guint button);
gboolean meta_pad_action_mapper_handle_event (MetaPadActionMapper *mapper,
const ClutterEvent *event);
gchar * meta_pad_action_mapper_get_action_label (MetaPadActionMapper *mapper,
ClutterInputDevice *pad,
MetaPadActionType action,
guint number);
#endif /* META_PAD_ACTION_MAPPER_H */

1
src/meson.build
View File

@ -374,6 +374,7 @@ mutter_sources = [
'core/meta-inhibit-shortcuts-dialog-default.c', 'core/meta-inhibit-shortcuts-dialog-default.c',
'core/meta-inhibit-shortcuts-dialog-default-private.h', 'core/meta-inhibit-shortcuts-dialog-default-private.h',
'core/meta-launch-context.c', 'core/meta-launch-context.c',
'core/meta-pad-action-mapper.c',
'core/meta-selection.c', 'core/meta-selection.c',
'core/meta-selection-source.c', 'core/meta-selection-source.c',
'core/meta-selection-source-memory.c', 'core/meta-selection-source-memory.c',

17
src/wayland/meta-wayland-tablet-pad.c
View File

@ -28,6 +28,7 @@
#include <wayland-server.h> #include <wayland-server.h>
#include "backends/meta-input-settings-private.h" #include "backends/meta-input-settings-private.h"
#include "core/display-private.h"
#include "compositor/meta-surface-actor-wayland.h" #include "compositor/meta-surface-actor-wayland.h"
#include "wayland/meta-wayland-private.h" #include "wayland/meta-wayland-private.h"
#include "wayland/meta-wayland-tablet-pad-group.h" #include "wayland/meta-wayland-tablet-pad-group.h"
@ -244,15 +245,14 @@ tablet_pad_set_feedback (struct wl_client *client,
{ {
MetaWaylandTabletPad *pad = wl_resource_get_user_data (resource); MetaWaylandTabletPad *pad = wl_resource_get_user_data (resource);
MetaWaylandTabletPadGroup *group = tablet_pad_lookup_button_group (pad, button); MetaWaylandTabletPadGroup *group = tablet_pad_lookup_button_group (pad, button);
MetaInputSettings *input_settings; MetaPadActionMapper *mapper;
if (!group || group->mode_switch_serial != serial) if (!group || group->mode_switch_serial != serial)
return; return;
input_settings = meta_backend_get_input_settings (meta_get_backend ()); mapper = meta_get_display ()->pad_action_mapper;
if (input_settings && if (meta_pad_action_mapper_is_button_grabbed (mapper, pad->device, button))
meta_input_settings_is_pad_button_grabbed (input_settings, pad->device, button))
return; return;
if (meta_wayland_tablet_pad_group_is_mode_switch_button (group, button)) if (meta_wayland_tablet_pad_group_is_mode_switch_button (group, button))
@ -367,15 +367,14 @@ static gboolean
meta_wayland_tablet_pad_handle_event_action (MetaWaylandTabletPad *pad, meta_wayland_tablet_pad_handle_event_action (MetaWaylandTabletPad *pad,
const ClutterEvent *event) const ClutterEvent *event)
{ {
MetaInputSettings *input_settings; MetaPadActionMapper *mapper;
ClutterInputDevice *device; ClutterInputDevice *device;
device = clutter_event_get_source_device (event); device = clutter_event_get_source_device (event);
input_settings = meta_backend_get_input_settings (meta_get_backend ()); mapper = meta_get_display ()->pad_action_mapper;
if (input_settings && if (meta_pad_action_mapper_is_button_grabbed (mapper, device,
meta_input_settings_is_pad_button_grabbed (input_settings, device, event->pad_button.button))
event->pad_button.button))
return TRUE; return TRUE;
return FALSE; return FALSE;