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335 lines
8.0 KiB
C
335 lines
8.0 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdlib.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include "../config.h"
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#include "gdk.h"
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#include "gdkx.h"
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#include "gdkprivate.h"
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#include "gdkinput.h"
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/* Forward declarations */
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static gint gdk_input_enable_window (GdkWindow *window,
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GdkDevicePrivate *gdkdev);
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static gint gdk_input_disable_window (GdkWindow *window,
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GdkDevicePrivate *gdkdev);
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static GdkInputWindow *gdk_input_window_find (GdkWindow *window);
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static GdkDevicePrivate *gdk_input_find_device (guint32 id);
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/* Incorporate the specific routines depending on compilation options */
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static GdkAxisUse gdk_input_core_axes[] = { GDK_AXIS_X, GDK_AXIS_Y };
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static GdkDeviceInfo gdk_input_core_info =
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{
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GDK_CORE_POINTER,
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"Core Pointer",
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GDK_SOURCE_MOUSE,
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GDK_MODE_SCREEN,
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TRUE,
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2,
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gdk_input_core_axes
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};
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/* Global variables */
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GdkInputVTable gdk_input_vtable;
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/* information about network port and host for gxid daemon */
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gchar *gdk_input_gxid_host;
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gint gdk_input_gxid_port;
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gint gdk_input_ignore_core;
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/* Local variables */
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static GList *gdk_input_devices;
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static GList *gdk_input_windows;
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#include "gdkinputnone.h"
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#include "gdkinputcommon.h"
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#include "gdkinputxfree.h"
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#include "gdkinputgxi.h"
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GList *
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gdk_input_list_devices ()
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{
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return gdk_input_devices;
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}
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void
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gdk_input_set_source (guint32 deviceid, GdkInputSource source)
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{
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GdkDevicePrivate *gdkdev = gdk_input_find_device(deviceid);
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g_return_if_fail (gdkdev != NULL);
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gdkdev->info.source = source;
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}
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gint
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gdk_input_set_mode (guint32 deviceid, GdkInputMode mode)
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{
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if (deviceid == GDK_CORE_POINTER)
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return FALSE;
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if (gdk_input_vtable.set_mode)
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return gdk_input_vtable.set_mode(deviceid,mode);
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else
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return FALSE;
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}
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void
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gdk_input_set_axes (guint32 deviceid, GdkAxisUse *axes)
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{
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if (deviceid != GDK_CORE_POINTER && gdk_input_vtable.set_axes)
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gdk_input_vtable.set_axes (deviceid, axes);
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}
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void gdk_input_set_key (guint32 deviceid,
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guint index,
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guint keyval,
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GdkModifierType modifiers)
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{
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if (deviceid != GDK_CORE_POINTER && gdk_input_vtable.set_key)
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gdk_input_vtable.set_key (deviceid, index, keyval, modifiers);
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}
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GdkTimeCoord *
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gdk_input_motion_events (GdkWindow *window,
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guint32 deviceid,
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guint32 start,
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guint32 stop,
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gint *nevents_return)
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{
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XTimeCoord *xcoords;
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GdkTimeCoord *coords;
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int i;
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if (deviceid == GDK_CORE_POINTER)
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{
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xcoords = XGetMotionEvents (gdk_display,
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((GdkWindowPrivate *)window)->xwindow,
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start, stop, nevents_return);
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if (xcoords)
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{
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coords = g_new (GdkTimeCoord, *nevents_return);
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for (i=0; i<*nevents_return; i++)
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{
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coords[i].time = xcoords[i].time;
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coords[i].x = xcoords[i].x;
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coords[i].y = xcoords[i].y;
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coords[i].pressure = 0.5;
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coords[i].xtilt = 0.0;
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coords[i].ytilt = 0.0;
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}
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XFree(xcoords);
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return coords;
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}
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else
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return NULL;
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}
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else
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{
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if (gdk_input_vtable.motion_events)
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{
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return gdk_input_vtable.motion_events(window,
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deviceid, start, stop,
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nevents_return);
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}
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else
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{
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*nevents_return = 0;
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return NULL;
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}
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}
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}
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static gint
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gdk_input_enable_window (GdkWindow *window, GdkDevicePrivate *gdkdev)
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{
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if (gdk_input_vtable.enable_window)
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return gdk_input_vtable.enable_window (window, gdkdev);
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else
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return TRUE;
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}
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static gint
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gdk_input_disable_window (GdkWindow *window, GdkDevicePrivate *gdkdev)
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{
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if (gdk_input_vtable.disable_window)
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return gdk_input_vtable.disable_window(window,gdkdev);
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else
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return TRUE;
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}
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static GdkInputWindow *
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gdk_input_window_find(GdkWindow *window)
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{
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GList *tmp_list;
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for (tmp_list=gdk_input_windows; tmp_list; tmp_list=tmp_list->next)
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if (((GdkInputWindow *)(tmp_list->data))->window == window)
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return (GdkInputWindow *)(tmp_list->data);
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return NULL; /* Not found */
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}
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/* FIXME: this routine currently needs to be called between creation
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and the corresponding configure event (because it doesn't get the
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root_relative_geometry). This should work with
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gtk_window_set_extension_events, but will likely fail in other
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cases */
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void
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gdk_input_set_extension_events (GdkWindow *window, gint mask,
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GdkExtensionMode mode)
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{
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GList *tmp_list;
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GdkInputWindow *iw;
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g_return_if_fail (window != NULL);
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if (mode == GDK_EXTENSION_EVENTS_NONE)
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mask = 0;
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if (mask != 0)
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{
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iw = g_new(GdkInputWindow,1);
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iw->window = window;
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iw->mode = mode;
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iw->obscuring = NULL;
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iw->num_obscuring = 0;
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iw->grabbed = FALSE;
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gdk_input_windows = g_list_append(gdk_input_windows,iw);
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((GdkWindowPrivate *)window)->extension_events = mask;
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/* Add enter window events to the event mask */
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/* FIXME, this is not needed for XINPUT_NONE */
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gdk_window_set_events (window,
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gdk_window_get_events (window) |
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GDK_ENTER_NOTIFY_MASK);
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}
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else
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{
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iw = gdk_input_window_find (window);
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if (iw)
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{
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gdk_input_windows = g_list_remove(gdk_input_windows,iw);
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g_free(iw);
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}
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((GdkWindowPrivate *)window)->extension_events = 0;
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}
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for (tmp_list = gdk_input_devices; tmp_list; tmp_list = tmp_list->next)
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{
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GdkDevicePrivate *gdkdev = (GdkDevicePrivate *)(tmp_list->data);
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if (gdkdev->info.deviceid != GDK_CORE_POINTER)
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{
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if (mask != 0 && gdkdev->info.mode != GDK_MODE_DISABLED
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&& (gdkdev->info.has_cursor || mode == GDK_EXTENSION_EVENTS_ALL))
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gdk_input_enable_window(window,gdkdev);
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else
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gdk_input_disable_window(window,gdkdev);
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}
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}
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}
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void
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gdk_input_window_destroy (GdkWindow *window)
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{
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GdkInputWindow *input_window;
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input_window = gdk_input_window_find (window);
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g_return_if_fail (input_window != NULL);
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gdk_input_windows = g_list_remove (gdk_input_windows,input_window);
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g_free(input_window);
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}
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void
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gdk_input_exit (void)
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{
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GList *tmp_list;
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GdkDevicePrivate *gdkdev;
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for (tmp_list = gdk_input_devices; tmp_list; tmp_list = tmp_list->next)
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{
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gdkdev = (GdkDevicePrivate *)(tmp_list->data);
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if (gdkdev->info.deviceid != GDK_CORE_POINTER)
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{
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gdk_input_set_mode(gdkdev->info.deviceid,GDK_MODE_DISABLED);
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g_free(gdkdev->info.name);
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#ifndef XINPUT_NONE
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g_free(gdkdev->axes);
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#endif
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g_free(gdkdev->info.axes);
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g_free(gdkdev->info.keys);
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g_free(gdkdev);
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}
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}
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g_list_free(gdk_input_devices);
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for (tmp_list = gdk_input_windows; tmp_list; tmp_list = tmp_list->next)
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{
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g_free(tmp_list->data);
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}
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g_list_free(gdk_input_windows);
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}
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static GdkDevicePrivate *
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gdk_input_find_device(guint32 id)
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{
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GList *tmp_list = gdk_input_devices;
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GdkDevicePrivate *gdkdev;
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while (tmp_list)
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{
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gdkdev = (GdkDevicePrivate *)(tmp_list->data);
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if (gdkdev->info.deviceid == id)
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return gdkdev;
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tmp_list = tmp_list->next;
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}
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return NULL;
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}
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void
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gdk_input_window_get_pointer (GdkWindow *window,
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guint32 deviceid,
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gdouble *x,
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gdouble *y,
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gdouble *pressure,
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gdouble *xtilt,
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gdouble *ytilt,
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GdkModifierType *mask)
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{
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if (gdk_input_vtable.get_pointer)
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gdk_input_vtable.get_pointer (window, deviceid, x, y, pressure,
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xtilt, ytilt, mask);
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}
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