diff options
Diffstat (limited to 'plugins/mouse/msd-mouse-manager.c')
| -rw-r--r-- | plugins/mouse/msd-mouse-manager.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/plugins/mouse/msd-mouse-manager.c b/plugins/mouse/msd-mouse-manager.c index fe89da2..426697f 100644 --- a/plugins/mouse/msd-mouse-manager.c +++ b/plugins/mouse/msd-mouse-manager.c @@ -56,6 +56,7 @@ #define KEY_MOUSE_MOTION_ACCELERATION "motion-acceleration" #define KEY_MOUSE_MOTION_THRESHOLD "motion-threshold" #define KEY_MOUSE_LOCATE_POINTER "locate-pointer" +#define KEY_MIDDLE_BUTTON_EMULATION "middle-button-enabled" #define MATE_TOUCHPAD_SCHEMA "org.mate.peripherals-touchpad" #define KEY_TOUCHPAD_DISABLE_W_TYPING "disable-while-typing" @@ -508,6 +509,67 @@ set_motion_threshold (MsdMouseManager *manager, 0, 0, motion_threshold); } +static void +set_middle_button (MsdMouseManager *manager, + gboolean middle_button) +{ + XDeviceInfo *device_info; + gint n_devices; + gint i; + Atom prop; + + prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), + "Evdev Middle Button Emulation", True); + + if (!prop) /* no evdev devices */ + return; + + device_info = XListInputDevices (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &n_devices); + + for (i = 0; i < n_devices; i++) { + XDevice *device = NULL; + Atom type; + int format; + unsigned long nitems, bytes_after; + unsigned char *data; + + gdk_error_trap_push (); + + device = XOpenDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device_info[i].id); + + if ((gdk_error_trap_pop () != 0) || + (device == NULL)) + continue; + + gdk_error_trap_push (); + + XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), + device, prop, 0, 1, False, XA_INTEGER, &type, &format, + &nitems, &bytes_after, &data); + + if ((gdk_error_trap_pop () != 0)) { + XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device); + continue; + } + + if (format == 8 && type == XA_INTEGER && nitems == 1) { + data[0] = middle_button ? 1 : 0; + + gdk_error_trap_push (); + XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), + device, prop, type, format, PropModeReplace, data, nitems); + + gdk_error_trap_pop (); + } + + XFree (data); + XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device); + } + + if (device_info != NULL) + XFreeDeviceList (device_info); +} + #ifdef HAVE_X11_EXTENSIONS_XINPUT_H static XDevice* device_is_touchpad (XDeviceInfo deviceinfo) @@ -908,6 +970,7 @@ set_mouse_settings (MsdMouseManager *manager) set_left_handed (manager, left_handed); set_motion_acceleration (manager, g_settings_get_double (manager->priv->settings_mouse, KEY_MOUSE_MOTION_ACCELERATION)); set_motion_threshold (manager, g_settings_get_int (manager->priv->settings_mouse, KEY_MOUSE_MOTION_THRESHOLD)); + set_middle_button (manager, g_settings_get_boolean (manager->priv->settings_mouse, KEY_MIDDLE_BUTTON_EMULATION)); set_disable_w_typing (manager, g_settings_get_boolean (manager->priv->settings_touchpad, KEY_TOUCHPAD_DISABLE_W_TYPING)); #ifdef HAVE_X11_EXTENSIONS_XINPUT_H @@ -931,6 +994,8 @@ mouse_callback (GSettings *settings, set_motion_threshold (manager, g_settings_get_int (settings, key)); } else if (g_strcmp0 (key, KEY_TOUCHPAD_DISABLE_W_TYPING) == 0) { set_disable_w_typing (manager, g_settings_get_boolean (settings, key)); + } else if (g_str_equal (key, KEY_MIDDLE_BUTTON_EMULATION)) { + set_middle_button (manager, g_settings_get_boolean (settings, key)); #ifdef HAVE_X11_EXTENSIONS_XINPUT_H } else if (g_strcmp0 (key, KEY_TOUCHPAD_TAP_TO_CLICK) == 0) { set_tap_to_click (g_settings_get_boolean (settings, key), |