e62cf4745f
This removes a bit of work that we have to do for every device, and makes it easy for mutter to patch out parts of the event mask it doesn't want. https://bugzilla.gnome.org/show_bug.cgi?id=703969
151 lines
4.0 KiB
C
151 lines
4.0 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright © 2011 Intel Corp.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Emmanuele Bassi <ebassi@linux.intel.com>
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*/
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#include "config.h"
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#include "clutter-input-device-xi2.h"
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#include "clutter-debug.h"
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#include "clutter-device-manager-private.h"
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#include "clutter-private.h"
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#include "clutter-stage-private.h"
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#include "clutter-backend-x11.h"
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#include "clutter-stage-x11.h"
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#include <X11/extensions/XInput2.h>
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typedef struct _ClutterInputDeviceClass ClutterInputDeviceXI2Class;
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/* a specific XI2 input device */
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struct _ClutterInputDeviceXI2
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{
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ClutterInputDevice device;
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gint device_id;
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};
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#define N_BUTTONS 5
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#define clutter_input_device_xi2_get_type _clutter_input_device_xi2_get_type
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G_DEFINE_TYPE (ClutterInputDeviceXI2,
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clutter_input_device_xi2,
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CLUTTER_TYPE_INPUT_DEVICE);
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static void
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clutter_input_device_xi2_constructed (GObject *gobject)
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{
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ClutterInputDeviceXI2 *device_xi2 = CLUTTER_INPUT_DEVICE_XI2 (gobject);
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g_object_get (gobject, "id", &device_xi2->device_id, NULL);
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if (G_OBJECT_CLASS (clutter_input_device_xi2_parent_class)->constructed)
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G_OBJECT_CLASS (clutter_input_device_xi2_parent_class)->constructed (gobject);
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}
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static gboolean
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clutter_input_device_xi2_keycode_to_evdev (ClutterInputDevice *device,
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guint hardware_keycode,
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guint *evdev_keycode)
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{
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/* When using evdev under X11 the hardware keycodes are the evdev
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keycodes plus 8. I haven't been able to find any documentation to
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know what the +8 is for. FIXME: This should probably verify that
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X server is using evdev. */
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*evdev_keycode = hardware_keycode - 8;
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return TRUE;
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}
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static void
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clutter_input_device_xi2_class_init (ClutterInputDeviceXI2Class *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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ClutterInputDeviceClass *device_class = CLUTTER_INPUT_DEVICE_CLASS (klass);
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gobject_class->constructed = clutter_input_device_xi2_constructed;
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device_class->keycode_to_evdev = clutter_input_device_xi2_keycode_to_evdev;
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}
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static void
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clutter_input_device_xi2_init (ClutterInputDeviceXI2 *self)
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{
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}
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guint
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_clutter_input_device_xi2_translate_state (XIModifierState *modifiers_state,
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XIButtonState *buttons_state,
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XIGroupState *group_state)
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{
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guint retval = 0;
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if (modifiers_state)
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retval = (guint) modifiers_state->effective;
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if (buttons_state)
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{
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int len, i;
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len = MIN (N_BUTTONS, buttons_state->mask_len * 8);
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for (i = 0; i < len; i++)
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{
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if (!XIMaskIsSet (buttons_state->mask, i))
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continue;
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switch (i)
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{
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case 1:
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retval |= CLUTTER_BUTTON1_MASK;
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break;
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case 2:
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retval |= CLUTTER_BUTTON2_MASK;
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break;
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case 3:
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retval |= CLUTTER_BUTTON3_MASK;
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break;
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case 4:
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retval |= CLUTTER_BUTTON4_MASK;
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break;
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case 5:
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retval |= CLUTTER_BUTTON5_MASK;
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break;
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default:
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break;
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}
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}
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}
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if (group_state)
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retval |= (group_state->effective) << 13;
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return retval;
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}
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