forked from AuroraMiddleware/gtk
139 lines
4.5 KiB
C
139 lines
4.5 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
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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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#include "config.h"
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#include "gdkx11devicemanager-core.h"
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#include "gdkdevicemanagerprivate-core.h"
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#include "gdkx11devicemanager-xi2.h"
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#include "gdkinternals.h"
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#include "gdkprivate-x11.h"
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#include "gdkdisplay-x11.h"
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/* Defines for VCP/VCK, to be used too
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* for the core protocol device manager
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*/
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#define VIRTUAL_CORE_POINTER_ID 2
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#define VIRTUAL_CORE_KEYBOARD_ID 3
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GdkX11DeviceManagerCore *
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_gdk_x11_device_manager_new (GdkDisplay *display)
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{
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if (!g_getenv ("GDK_CORE_DEVICE_EVENTS"))
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{
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int opcode, firstevent, firsterror;
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Display *xdisplay;
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xdisplay = GDK_DISPLAY_XDISPLAY (display);
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if (XQueryExtension (xdisplay, "XInputExtension",
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&opcode, &firstevent, &firsterror))
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{
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int major, minor;
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major = 2;
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minor = 3;
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if (XIQueryVersion (xdisplay, &major, &minor) != BadRequest)
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{
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GdkX11DeviceManagerXI2 *device_manager_xi2;
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GDK_DISPLAY_NOTE (display, INPUT, g_message ("Creating XI2 device manager"));
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device_manager_xi2 = g_object_new (GDK_TYPE_X11_DEVICE_MANAGER_XI2,
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"display", display,
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"opcode", opcode,
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"major", major,
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"minor", minor,
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NULL);
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return GDK_X11_DEVICE_MANAGER_CORE (device_manager_xi2);
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}
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}
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}
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GDK_DISPLAY_NOTE (display, INPUT, g_message ("Creating core device manager"));
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return g_object_new (GDK_TYPE_X11_DEVICE_MANAGER_CORE,
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"display", display,
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NULL);
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}
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/**
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* gdk_x11_device_manager_lookup:
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* @device_manager: (type GdkX11DeviceManagerCore): a #GdkDeviceManager
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* @device_id: a device ID, as understood by the XInput2 protocol
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*
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* Returns the #GdkDevice that wraps the given device ID.
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*
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* Returns: (transfer none) (allow-none) (type GdkX11DeviceCore): The #GdkDevice wrapping the device ID,
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* or %NULL if the given ID doesn’t currently represent a device.
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**/
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GdkDevice *
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gdk_x11_device_manager_lookup (GdkX11DeviceManagerCore *device_manager,
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gint device_id)
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{
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GdkDevice *device = NULL;
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g_return_val_if_fail (GDK_IS_X11_DEVICE_MANAGER_CORE (device_manager), NULL);
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if (GDK_IS_X11_DEVICE_MANAGER_XI2 (device_manager))
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device = _gdk_x11_device_manager_xi2_lookup (GDK_X11_DEVICE_MANAGER_XI2 (device_manager),
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device_id);
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else if (GDK_IS_X11_DEVICE_MANAGER_CORE (device_manager))
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{
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/* It is a core/xi1 device manager, we only map
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* IDs 2 and 3, matching XI2's Virtual Core Pointer
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* and Keyboard.
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*/
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if (device_id == VIRTUAL_CORE_POINTER_ID)
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device = GDK_X11_DEVICE_MANAGER_CORE (device_manager)->core_pointer;
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else if (device_id == VIRTUAL_CORE_KEYBOARD_ID)
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device = GDK_X11_DEVICE_MANAGER_CORE (device_manager)->core_keyboard;
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}
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return device;
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}
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/**
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* gdk_x11_device_get_id:
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* @device: (type GdkX11DeviceCore): a #GdkDevice
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*
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* Returns the device ID as seen by XInput2.
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*
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* Returns: the XInput2 device ID.
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**/
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gint
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gdk_x11_device_get_id (GdkDevice *device)
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{
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gint device_id = 0;
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g_return_val_if_fail (GDK_IS_DEVICE (device), 0);
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if (GDK_IS_X11_DEVICE_XI2 (device))
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device_id = _gdk_x11_device_xi2_get_id (GDK_X11_DEVICE_XI2 (device));
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else if (GDK_IS_X11_DEVICE_CORE (device))
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{
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if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
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device_id = VIRTUAL_CORE_KEYBOARD_ID;
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else
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device_id = VIRTUAL_CORE_POINTER_ID;
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}
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return device_id;
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}
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