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input-settings: Wire up middle-emulation

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This allows emulating middle click via simultaneous left and right
click.  Fixes #238.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/256
This commit is contained in:
Andrew Gaul
2018-10-05 17:06:58 -07:00
parent 23da6c2426
commit 0487e6f11f
4 changed files with 172 additions and 0 deletions
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43
src/backends/meta-input-settings.c
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@ -418,6 +418,39 @@ get_settings_for_device_type (MetaInputSettings *input_settings,
}
}
static void
update_middle_click_emulation (MetaInputSettings *input_settings,
GSettings *settings,
ClutterInputDevice *device)
{
ConfigBoolFunc func;
const gchar *key = "emulate-middle";
MetaInputSettingsPrivate *priv = meta_input_settings_get_instance_private (input_settings);
if (!settings)
return;
if (settings == priv->mouse_settings)
func = META_INPUT_SETTINGS_GET_CLASS (input_settings)->set_mouse_middle_click_emulation;
else if (settings == priv->touchpad_settings)
func = META_INPUT_SETTINGS_GET_CLASS (input_settings)->set_touchpad_middle_click_emulation;
else if (settings == priv->trackball_settings)
func = META_INPUT_SETTINGS_GET_CLASS (input_settings)->set_trackball_middle_click_emulation;
else
return;
if (device)
{
settings_device_set_bool_setting (input_settings, device, func,
g_settings_get_boolean (settings, key));
}
else
{
settings_set_bool_setting (input_settings, CLUTTER_POINTER_DEVICE, func,
g_settings_get_boolean (settings, key));
}
}
static void
update_device_speed (MetaInputSettings *input_settings,
ClutterInputDevice *device)
@ -1141,6 +1174,8 @@ meta_input_settings_changed_cb (GSettings *settings,
update_device_natural_scroll (input_settings, NULL);
else if (strcmp (key, "accel-profile") == 0)
update_pointer_accel_profile (input_settings, settings, NULL);
else if (strcmp (key, "middle-click-emulation") == 0)
update_middle_click_emulation (input_settings, settings, NULL);
}
else if (settings == priv->touchpad_settings)
{
@ -1164,6 +1199,8 @@ meta_input_settings_changed_cb (GSettings *settings,
update_touchpad_two_finger_scroll (input_settings, NULL);
else if (strcmp (key, "click-method") == 0)
update_touchpad_click_method (input_settings, NULL);
else if (strcmp (key, "middle-click-emulation") == 0)
update_middle_click_emulation (input_settings, settings, NULL);
}
else if (settings == priv->trackball_settings)
{
@ -1171,6 +1208,8 @@ meta_input_settings_changed_cb (GSettings *settings,
update_trackball_scroll_button (input_settings, NULL);
else if (strcmp (key, "accel-profile") == 0)
update_pointer_accel_profile (input_settings, settings, NULL);
else if (strcmp (key, "middle-click-emulation") == 0)
update_middle_click_emulation (input_settings, settings, NULL);
}
else if (settings == priv->keyboard_settings)
{
@ -1687,6 +1726,10 @@ apply_device_settings (MetaInputSettings *input_settings,
device);
load_keyboard_a11y_settings (input_settings, device);
load_pointer_a11y_settings (input_settings, device);
update_middle_click_emulation (input_settings, priv->mouse_settings, device);
update_middle_click_emulation (input_settings, priv->touchpad_settings, device);
update_middle_click_emulation (input_settings, priv->trackball_settings, device);
}
static void